Fix Godeps.json to point to kubernetes-1.11.0-beta.1 tags

Kubernetes-commit: 4e3b2843df571c3b80c834d7c23bc6da1a22aab8

.github/PULL_REQUEST_TEMPLATE.md

@@ -1,2 +1,3 @@
-Sorry, we do not accept changes directly against this repository. Please see 
-CONTRIBUTING.md for information on where and how to contribute instead.
+Sorry, we do not accept changes directly against this repository, unless the
+change is to the `README.md` itself. Please see 
+`CONTRIBUTING.md` for information on where and how to contribute instead.

Godeps/Godeps.json

@@ -1,6 +1,6 @@
 {
 	"ImportPath": "k8s.io/client-go",
-	"GoVersion": "go1.9",
+	"GoVersion": "go1.10",
 	"GodepVersion": "v80",
 	"Packages": [
 		"./..."
@@ -268,327 +268,327 @@
 		},
 		{
 			"ImportPath": "k8s.io/api/admissionregistration/v1alpha1",
-			"Rev": "184e700b32b7f1b532b9fce8dd8c1f412d297c4b"
+			"Rev": "c71adde6150917c4e19dfef555f427d5e085f05d"
 		},
 		{
 			"ImportPath": "k8s.io/api/admissionregistration/v1beta1",
-			"Rev": "184e700b32b7f1b532b9fce8dd8c1f412d297c4b"
+			"Rev": "c71adde6150917c4e19dfef555f427d5e085f05d"
 		},
 		{
 			"ImportPath": "k8s.io/api/apps/v1",
-			"Rev": "184e700b32b7f1b532b9fce8dd8c1f412d297c4b"
+			"Rev": "c71adde6150917c4e19dfef555f427d5e085f05d"
 		},
 		{
 			"ImportPath": "k8s.io/api/apps/v1beta1",
-			"Rev": "184e700b32b7f1b532b9fce8dd8c1f412d297c4b"
+			"Rev": "c71adde6150917c4e19dfef555f427d5e085f05d"
 		},
 		{
 			"ImportPath": "k8s.io/api/apps/v1beta2",
-			"Rev": "184e700b32b7f1b532b9fce8dd8c1f412d297c4b"
+			"Rev": "c71adde6150917c4e19dfef555f427d5e085f05d"
 		},
 		{
 			"ImportPath": "k8s.io/api/authentication/v1",
-			"Rev": "184e700b32b7f1b532b9fce8dd8c1f412d297c4b"
+			"Rev": "c71adde6150917c4e19dfef555f427d5e085f05d"
 		},
 		{
 			"ImportPath": "k8s.io/api/authentication/v1beta1",
-			"Rev": "184e700b32b7f1b532b9fce8dd8c1f412d297c4b"
+			"Rev": "c71adde6150917c4e19dfef555f427d5e085f05d"
 		},
 		{
 			"ImportPath": "k8s.io/api/authorization/v1",
-			"Rev": "184e700b32b7f1b532b9fce8dd8c1f412d297c4b"
+			"Rev": "c71adde6150917c4e19dfef555f427d5e085f05d"
 		},
 		{
 			"ImportPath": "k8s.io/api/authorization/v1beta1",
-			"Rev": "184e700b32b7f1b532b9fce8dd8c1f412d297c4b"
+			"Rev": "c71adde6150917c4e19dfef555f427d5e085f05d"
 		},
 		{
 			"ImportPath": "k8s.io/api/autoscaling/v1",
-			"Rev": "184e700b32b7f1b532b9fce8dd8c1f412d297c4b"
+			"Rev": "c71adde6150917c4e19dfef555f427d5e085f05d"
 		},
 		{
 			"ImportPath": "k8s.io/api/autoscaling/v2beta1",
-			"Rev": "184e700b32b7f1b532b9fce8dd8c1f412d297c4b"
+			"Rev": "c71adde6150917c4e19dfef555f427d5e085f05d"
 		},
 		{
 			"ImportPath": "k8s.io/api/batch/v1",
-			"Rev": "184e700b32b7f1b532b9fce8dd8c1f412d297c4b"
+			"Rev": "c71adde6150917c4e19dfef555f427d5e085f05d"
 		},
 		{
 			"ImportPath": "k8s.io/api/batch/v1beta1",
-			"Rev": "184e700b32b7f1b532b9fce8dd8c1f412d297c4b"
+			"Rev": "c71adde6150917c4e19dfef555f427d5e085f05d"
 		},
 		{
 			"ImportPath": "k8s.io/api/batch/v2alpha1",
-			"Rev": "184e700b32b7f1b532b9fce8dd8c1f412d297c4b"
+			"Rev": "c71adde6150917c4e19dfef555f427d5e085f05d"
 		},
 		{
 			"ImportPath": "k8s.io/api/certificates/v1beta1",
-			"Rev": "184e700b32b7f1b532b9fce8dd8c1f412d297c4b"
+			"Rev": "c71adde6150917c4e19dfef555f427d5e085f05d"
 		},
 		{
 			"ImportPath": "k8s.io/api/core/v1",
-			"Rev": "184e700b32b7f1b532b9fce8dd8c1f412d297c4b"
+			"Rev": "c71adde6150917c4e19dfef555f427d5e085f05d"
 		},
 		{
 			"ImportPath": "k8s.io/api/events/v1beta1",
-			"Rev": "184e700b32b7f1b532b9fce8dd8c1f412d297c4b"
+			"Rev": "c71adde6150917c4e19dfef555f427d5e085f05d"
 		},
 		{
 			"ImportPath": "k8s.io/api/extensions/v1beta1",
-			"Rev": "184e700b32b7f1b532b9fce8dd8c1f412d297c4b"
+			"Rev": "c71adde6150917c4e19dfef555f427d5e085f05d"
 		},
 		{
 			"ImportPath": "k8s.io/api/imagepolicy/v1alpha1",
-			"Rev": "184e700b32b7f1b532b9fce8dd8c1f412d297c4b"
+			"Rev": "c71adde6150917c4e19dfef555f427d5e085f05d"
 		},
 		{
 			"ImportPath": "k8s.io/api/networking/v1",
-			"Rev": "184e700b32b7f1b532b9fce8dd8c1f412d297c4b"
+			"Rev": "c71adde6150917c4e19dfef555f427d5e085f05d"
 		},
 		{
 			"ImportPath": "k8s.io/api/policy/v1beta1",
-			"Rev": "184e700b32b7f1b532b9fce8dd8c1f412d297c4b"
+			"Rev": "c71adde6150917c4e19dfef555f427d5e085f05d"
 		},
 		{
 			"ImportPath": "k8s.io/api/rbac/v1",
-			"Rev": "184e700b32b7f1b532b9fce8dd8c1f412d297c4b"
+			"Rev": "c71adde6150917c4e19dfef555f427d5e085f05d"
 		},
 		{
 			"ImportPath": "k8s.io/api/rbac/v1alpha1",
-			"Rev": "184e700b32b7f1b532b9fce8dd8c1f412d297c4b"
+			"Rev": "c71adde6150917c4e19dfef555f427d5e085f05d"
 		},
 		{
 			"ImportPath": "k8s.io/api/rbac/v1beta1",
-			"Rev": "184e700b32b7f1b532b9fce8dd8c1f412d297c4b"
+			"Rev": "c71adde6150917c4e19dfef555f427d5e085f05d"
 		},
 		{
 			"ImportPath": "k8s.io/api/scheduling/v1alpha1",
-			"Rev": "184e700b32b7f1b532b9fce8dd8c1f412d297c4b"
+			"Rev": "c71adde6150917c4e19dfef555f427d5e085f05d"
 		},
 		{
 			"ImportPath": "k8s.io/api/scheduling/v1beta1",
-			"Rev": "184e700b32b7f1b532b9fce8dd8c1f412d297c4b"
+			"Rev": "c71adde6150917c4e19dfef555f427d5e085f05d"
 		},
 		{
 			"ImportPath": "k8s.io/api/settings/v1alpha1",
-			"Rev": "184e700b32b7f1b532b9fce8dd8c1f412d297c4b"
+			"Rev": "c71adde6150917c4e19dfef555f427d5e085f05d"
 		},
 		{
 			"ImportPath": "k8s.io/api/storage/v1",
-			"Rev": "184e700b32b7f1b532b9fce8dd8c1f412d297c4b"
+			"Rev": "c71adde6150917c4e19dfef555f427d5e085f05d"
 		},
 		{
 			"ImportPath": "k8s.io/api/storage/v1alpha1",
-			"Rev": "184e700b32b7f1b532b9fce8dd8c1f412d297c4b"
+			"Rev": "c71adde6150917c4e19dfef555f427d5e085f05d"
 		},
 		{
 			"ImportPath": "k8s.io/api/storage/v1beta1",
-			"Rev": "184e700b32b7f1b532b9fce8dd8c1f412d297c4b"
+			"Rev": "c71adde6150917c4e19dfef555f427d5e085f05d"
 		},
 		{
 			"ImportPath": "k8s.io/apimachinery/pkg/api/equality",
-			"Rev": "3492ef8dace114d765f20d9c1a03f306449e5252"
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 		},
 		{
 			"ImportPath": "k8s.io/apimachinery/pkg/api/errors",
-			"Rev": "3492ef8dace114d765f20d9c1a03f306449e5252"
+			"Rev": "40bc35ef007c446a3ed3d1a2d51ed2d9f30f55f4"
 		},
 		{
 			"ImportPath": "k8s.io/apimachinery/pkg/api/meta",
-			"Rev": "3492ef8dace114d765f20d9c1a03f306449e5252"
+			"Rev": "40bc35ef007c446a3ed3d1a2d51ed2d9f30f55f4"
 		},
 		{
 			"ImportPath": "k8s.io/apimachinery/pkg/api/resource",
-			"Rev": "3492ef8dace114d765f20d9c1a03f306449e5252"
+			"Rev": "40bc35ef007c446a3ed3d1a2d51ed2d9f30f55f4"
 		},
 		{
 			"ImportPath": "k8s.io/apimachinery/pkg/api/testing",
-			"Rev": "3492ef8dace114d765f20d9c1a03f306449e5252"
+			"Rev": "40bc35ef007c446a3ed3d1a2d51ed2d9f30f55f4"
 		},
 		{
 			"ImportPath": "k8s.io/apimachinery/pkg/api/testing/fuzzer",
-			"Rev": "3492ef8dace114d765f20d9c1a03f306449e5252"
+			"Rev": "40bc35ef007c446a3ed3d1a2d51ed2d9f30f55f4"
 		},
 		{
 			"ImportPath": "k8s.io/apimachinery/pkg/api/testing/roundtrip",
-			"Rev": "3492ef8dace114d765f20d9c1a03f306449e5252"
+			"Rev": "40bc35ef007c446a3ed3d1a2d51ed2d9f30f55f4"
 		},
 		{
 			"ImportPath": "k8s.io/apimachinery/pkg/apis/meta/fuzzer",
-			"Rev": "3492ef8dace114d765f20d9c1a03f306449e5252"
+			"Rev": "40bc35ef007c446a3ed3d1a2d51ed2d9f30f55f4"
 		},
 		{
 			"ImportPath": "k8s.io/apimachinery/pkg/apis/meta/internalversion",
-			"Rev": "3492ef8dace114d765f20d9c1a03f306449e5252"
+			"Rev": "40bc35ef007c446a3ed3d1a2d51ed2d9f30f55f4"
 		},
 		{
 			"ImportPath": "k8s.io/apimachinery/pkg/apis/meta/v1",
-			"Rev": "3492ef8dace114d765f20d9c1a03f306449e5252"
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 		},
 		{
 			"ImportPath": "k8s.io/apimachinery/pkg/apis/meta/v1/unstructured",
-			"Rev": "3492ef8dace114d765f20d9c1a03f306449e5252"
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 		},
 		{
 			"ImportPath": "k8s.io/apimachinery/pkg/apis/meta/v1beta1",
-			"Rev": "3492ef8dace114d765f20d9c1a03f306449e5252"
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 		{
 			"ImportPath": "k8s.io/apimachinery/pkg/conversion",
-			"Rev": "3492ef8dace114d765f20d9c1a03f306449e5252"
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 		},
 		{
 			"ImportPath": "k8s.io/apimachinery/pkg/conversion/queryparams",
-			"Rev": "3492ef8dace114d765f20d9c1a03f306449e5252"
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 			"ImportPath": "k8s.io/apimachinery/pkg/fields",
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 			"ImportPath": "k8s.io/apimachinery/pkg/labels",
-			"Rev": "3492ef8dace114d765f20d9c1a03f306449e5252"
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 		{
 			"ImportPath": "k8s.io/apimachinery/pkg/runtime",
-			"Rev": "3492ef8dace114d765f20d9c1a03f306449e5252"
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 		},
 		{
 			"ImportPath": "k8s.io/apimachinery/pkg/runtime/schema",
-			"Rev": "3492ef8dace114d765f20d9c1a03f306449e5252"
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 		},
 		{
 			"ImportPath": "k8s.io/apimachinery/pkg/runtime/serializer",
-			"Rev": "3492ef8dace114d765f20d9c1a03f306449e5252"
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 		{
 			"ImportPath": "k8s.io/apimachinery/pkg/runtime/serializer/json",
-			"Rev": "3492ef8dace114d765f20d9c1a03f306449e5252"
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 		{
 			"ImportPath": "k8s.io/apimachinery/pkg/runtime/serializer/protobuf",
-			"Rev": "3492ef8dace114d765f20d9c1a03f306449e5252"
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 		{
 			"ImportPath": "k8s.io/apimachinery/pkg/runtime/serializer/recognizer",
-			"Rev": "3492ef8dace114d765f20d9c1a03f306449e5252"
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 		{
 			"ImportPath": "k8s.io/apimachinery/pkg/runtime/serializer/streaming",
-			"Rev": "3492ef8dace114d765f20d9c1a03f306449e5252"
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 			"ImportPath": "k8s.io/apimachinery/pkg/util/clock",
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 		},
 		{
 			"ImportPath": "k8s.io/apimachinery/pkg/util/wait",
-			"Rev": "3492ef8dace114d765f20d9c1a03f306449e5252"
+			"Rev": "40bc35ef007c446a3ed3d1a2d51ed2d9f30f55f4"
 		},
 		{
 			"ImportPath": "k8s.io/apimachinery/pkg/util/yaml",
-			"Rev": "3492ef8dace114d765f20d9c1a03f306449e5252"
+			"Rev": "40bc35ef007c446a3ed3d1a2d51ed2d9f30f55f4"
 		},
 		{
 			"ImportPath": "k8s.io/apimachinery/pkg/version",
-			"Rev": "3492ef8dace114d765f20d9c1a03f306449e5252"
+			"Rev": "40bc35ef007c446a3ed3d1a2d51ed2d9f30f55f4"
 		},
 		{
 			"ImportPath": "k8s.io/apimachinery/pkg/watch",
-			"Rev": "3492ef8dace114d765f20d9c1a03f306449e5252"
+			"Rev": "40bc35ef007c446a3ed3d1a2d51ed2d9f30f55f4"
 		},
 		{
 			"ImportPath": "k8s.io/apimachinery/third_party/forked/golang/json",
-			"Rev": "3492ef8dace114d765f20d9c1a03f306449e5252"
+			"Rev": "40bc35ef007c446a3ed3d1a2d51ed2d9f30f55f4"
 		},
 		{
 			"ImportPath": "k8s.io/apimachinery/third_party/forked/golang/netutil",
-			"Rev": "3492ef8dace114d765f20d9c1a03f306449e5252"
+			"Rev": "40bc35ef007c446a3ed3d1a2d51ed2d9f30f55f4"
 		},
 		{
 			"ImportPath": "k8s.io/apimachinery/third_party/forked/golang/reflect",
-			"Rev": "3492ef8dace114d765f20d9c1a03f306449e5252"
+			"Rev": "40bc35ef007c446a3ed3d1a2d51ed2d9f30f55f4"
 		},
 		{
 			"ImportPath": "k8s.io/kube-openapi/pkg/util/proto",
-			"Rev": "61db125d227fc9d4e373819a059516f32f7f23c7"
+			"Rev": "86e28c192d2743f0232b9bc5f0a531568ef9f2a5"
 		}
 	]
 }

OWNERS

@@ -1,45 +1,15 @@
 approvers:
 - caesarxuchao
 - deads2k
-- krousey
 - lavalamp
+- liggitt
 - smarterclayton
 - sttts
-- liggitt
 reviewers:
-- thockin
-- lavalamp
-- smarterclayton
-- wojtek-t
-- deads2k
-- yujuhong
-- derekwaynecarr
 - caesarxuchao
-- vishh
-- mikedanese
+- deads2k
+- lavalamp
 - liggitt
-- nikhiljindal
-- gmarek
-- erictune
-- davidopp
-- pmorie
-- sttts
-- dchen1107
-- saad-ali
-- zmerlynn
-- luxas
-- janetkuo
-- justinsb
-- roberthbailey
-- ncdc
-- tallclair
-- yifan-gu
-- eparis
-- mwielgus
-- timothysc
-- feiskyer
-- jlowdermilk
 - soltysh
-- piosz
-- jsafrane
-- awly
+- sttts
+- yliaog

discovery/discovery_client.go

@@ -44,12 +44,8 @@ const (
 	defaultRetries = 2
 	// protobuf mime type
 	mimePb = "application/com.github.proto-openapi.spec.v2@v1.0+protobuf"
-)
-
-var (
 	// defaultTimeout is the maximum amount of time per request when no timeout has been set on a RESTClient.
 	// Defaults to 32s in order to have a distinguishable length of time, relative to other timeouts that exist.
-	// It's a variable to be able to change it in tests.
 	defaultTimeout = 32 * time.Second
 )
 

discovery/discovery_client_test.go

@@ -23,12 +23,11 @@ import (
 	"net/http"
 	"net/http/httptest"
 	"reflect"
-	"strings"
 	"testing"
-	"time"
 
 	"github.com/gogo/protobuf/proto"
 	"github.com/googleapis/gnostic/OpenAPIv2"
+	"github.com/stretchr/testify/assert"
 
 	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
 	"k8s.io/apimachinery/pkg/runtime/schema"
@@ -131,31 +130,11 @@ func TestGetServerGroupsWithBrokenServer(t *testing.T) {
 		}
 	}
 }
-func TestGetServerGroupsWithTimeout(t *testing.T) {
-	done := make(chan bool)
-	server := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, req *http.Request) {
-		// first we need to write headers, otherwise http client will complain about
-		// exceeding timeout awaiting headers, only after we can block the call
-		w.Header().Set("Connection", "keep-alive")
-		if wf, ok := w.(http.Flusher); ok {
-			wf.Flush()
-		}
-		<-done
-	}))
-	defer server.Close()
-	defer close(done)
-	client := NewDiscoveryClientForConfigOrDie(&restclient.Config{Host: server.URL, Timeout: 2 * time.Second})
-	_, err := client.ServerGroups()
-	// the error we're getting here is wrapped in errors.errorString which makes
-	// it impossible to unwrap and check it's attributes, so instead we're checking
-	// the textual output which is presenting http.httpError with timeout set to true
-	if err == nil {
-		t.Fatal("missing error")
-	}
-	if !strings.Contains(err.Error(), "timeout:true") &&
-		!strings.Contains(err.Error(), "context.deadlineExceededError") {
-		t.Fatalf("unexpected error: %v", err)
-	}
+
+func TestTimeoutIsSet(t *testing.T) {
+	cfg := &restclient.Config{}
+	setDiscoveryDefaults(cfg)
+	assert.Equal(t, defaultTimeout, cfg.Timeout)
 }
 
 func TestGetServerResourcesWithV1Server(t *testing.T) {

pkg/apis/clientauthentication/types.go

@@ -57,7 +57,14 @@ type ExecCredentialStatus struct {
 	// +optional
 	ExpirationTimestamp *metav1.Time
 	// Token is a bearer token used by the client for request authentication.
+	// +optional
 	Token string
+	// PEM-encoded client TLS certificate.
+	// +optional
+	ClientCertificateData string
+	// PEM-encoded client TLS private key.
+	// +optional
+	ClientKeyData string
 }
 
 // Response defines metadata about a failed request, including HTTP status code and

pkg/apis/clientauthentication/v1alpha1/types.go

@@ -52,12 +52,20 @@ type ExecCredentialSpec struct {
 }
 
 // ExecCredentialStatus holds credentials for the transport to use.
+//
+// Token and ClientKeyData are sensitive fields. This data should only be
+// transmitted in-memory between client and exec plugin process. Exec plugin
+// itself should at least be protected via file permissions.
 type ExecCredentialStatus struct {
 	// ExpirationTimestamp indicates a time when the provided credentials expire.
 	// +optional
 	ExpirationTimestamp *metav1.Time `json:"expirationTimestamp,omitempty"`
 	// Token is a bearer token used by the client for request authentication.
 	Token string `json:"token,omitempty"`
+	// PEM-encoded client TLS certificates (including intermediates, if any).
+	ClientCertificateData string `json:"clientCertificateData,omitempty"`
+	// PEM-encoded private key for the above certificate.
+	ClientKeyData string `json:"clientKeyData,omitempty"`
 }
 
 // Response defines metadata about a failed request, including HTTP status code and

pkg/apis/clientauthentication/v1alpha1/zz_generated.conversion.go

@@ -99,6 +99,8 @@ func Convert_clientauthentication_ExecCredentialSpec_To_v1alpha1_ExecCredentialS
 func autoConvert_v1alpha1_ExecCredentialStatus_To_clientauthentication_ExecCredentialStatus(in *ExecCredentialStatus, out *clientauthentication.ExecCredentialStatus, s conversion.Scope) error {
 	out.ExpirationTimestamp = (*v1.Time)(unsafe.Pointer(in.ExpirationTimestamp))
 	out.Token = in.Token
+	out.ClientCertificateData = in.ClientCertificateData
+	out.ClientKeyData = in.ClientKeyData
 	return nil
 }
 
@@ -110,6 +112,8 @@ func Convert_v1alpha1_ExecCredentialStatus_To_clientauthentication_ExecCredentia
 func autoConvert_clientauthentication_ExecCredentialStatus_To_v1alpha1_ExecCredentialStatus(in *clientauthentication.ExecCredentialStatus, out *ExecCredentialStatus, s conversion.Scope) error {
 	out.ExpirationTimestamp = (*v1.Time)(unsafe.Pointer(in.ExpirationTimestamp))
 	out.Token = in.Token
+	out.ClientCertificateData = in.ClientCertificateData
+	out.ClientKeyData = in.ClientKeyData
 	return nil
 }
 

plugin/pkg/client/auth/exec/exec.go

@@ -18,11 +18,15 @@ package exec
 
 import (
 	"bytes"
+	"context"
+	"crypto/tls"
 	"fmt"
 	"io"
+	"net"
 	"net/http"
 	"os"
 	"os/exec"
+	"reflect"
 	"sync"
 	"time"
 
@@ -35,6 +39,8 @@ import (
 	"k8s.io/client-go/pkg/apis/clientauthentication"
 	"k8s.io/client-go/pkg/apis/clientauthentication/v1alpha1"
 	"k8s.io/client-go/tools/clientcmd/api"
+	"k8s.io/client-go/transport"
+	"k8s.io/client-go/util/connrotation"
 )
 
 const execInfoEnv = "KUBERNETES_EXEC_INFO"
@@ -147,14 +153,55 @@ type Authenticator struct {
 	// The mutex also guards calling the plugin. Since the plugin could be
 	// interactive we want to make sure it's only called once.
 	mu          sync.Mutex
-	cachedToken string
+	cachedCreds *credentials
 	exp         time.Time
+
+	onRotate func()
 }
 
-// WrapTransport instruments an existing http.RoundTripper with credentials returned
-// by the plugin.
-func (a *Authenticator) WrapTransport(rt http.RoundTripper) http.RoundTripper {
-	return &roundTripper{a, rt}
+type credentials struct {
+	token string
+	cert  *tls.Certificate
+}
+
+// UpdateTransportConfig updates the transport.Config to use credentials
+// returned by the plugin.
+func (a *Authenticator) UpdateTransportConfig(c *transport.Config) error {
+	wt := c.WrapTransport
+	c.WrapTransport = func(rt http.RoundTripper) http.RoundTripper {
+		if wt != nil {
+			rt = wt(rt)
+		}
+		return &roundTripper{a, rt}
+	}
+
+	getCert := c.TLS.GetCert
+	c.TLS.GetCert = func() (*tls.Certificate, error) {
+		// If previous GetCert is present and returns a valid non-nil
+		// certificate, use that. Otherwise use cert from exec plugin.
+		if getCert != nil {
+			cert, err := getCert()
+			if err != nil {
+				return nil, err
+			}
+			if cert != nil {
+				return cert, nil
+			}
+		}
+		return a.cert()
+	}
+
+	var dial func(ctx context.Context, network, addr string) (net.Conn, error)
+	if c.Dial != nil {
+		dial = c.Dial
+	} else {
+		dial = (&net.Dialer{Timeout: 30 * time.Second, KeepAlive: 30 * time.Second}).DialContext
+	}
+	d := connrotation.NewDialer(dial)
+	a.onRotate = d.CloseAll
+	c.Dial = d.DialContext
+
+	return nil
 }
 
 type roundTripper struct {
@@ -169,11 +216,13 @@ func (r *roundTripper) RoundTrip(req *http.Request) (*http.Response, error) {
 		return r.base.RoundTrip(req)
 	}
 
-	token, err := r.a.token()
+	creds, err := r.a.getCreds()
 	if err != nil {
-		return nil, fmt.Errorf("getting token: %v", err)
+		return nil, fmt.Errorf("getting credentials: %v", err)
+	}
+	if creds.token != "" {
+		req.Header.Set("Authorization", "Bearer "+creds.token)
 	}
-	req.Header.Set("Authorization", "Bearer "+token)
 
 	res, err := r.base.RoundTrip(req)
 	if err != nil {
@@ -184,47 +233,60 @@ func (r *roundTripper) RoundTrip(req *http.Request) (*http.Response, error) {
 			Header: res.Header,
 			Code:   int32(res.StatusCode),
 		}
-		if err := r.a.refresh(token, resp); err != nil {
-			glog.Errorf("refreshing token: %v", err)
+		if err := r.a.maybeRefreshCreds(creds, resp); err != nil {
+			glog.Errorf("refreshing credentials: %v", err)
 		}
 	}
 	return res, nil
 }
 
-func (a *Authenticator) tokenExpired() bool {
+func (a *Authenticator) credsExpired() bool {
 	if a.exp.IsZero() {
 		return false
 	}
 	return a.now().After(a.exp)
 }
 
-func (a *Authenticator) token() (string, error) {
-	a.mu.Lock()
-	defer a.mu.Unlock()
-	if a.cachedToken != "" && !a.tokenExpired() {
-		return a.cachedToken, nil
+func (a *Authenticator) cert() (*tls.Certificate, error) {
+	creds, err := a.getCreds()
+	if err != nil {
+		return nil, err
 	}
-
-	return a.getToken(nil)
+	return creds.cert, nil
 }
 
-// refresh executes the plugin to force a rotation of the token.
-func (a *Authenticator) refresh(token string, r *clientauthentication.Response) error {
+func (a *Authenticator) getCreds() (*credentials, error) {
+	a.mu.Lock()
+	defer a.mu.Unlock()
+	if a.cachedCreds != nil && !a.credsExpired() {
+		return a.cachedCreds, nil
+	}
+
+	if err := a.refreshCredsLocked(nil); err != nil {
+		return nil, err
+	}
+	return a.cachedCreds, nil
+}
+
+// maybeRefreshCreds executes the plugin to force a rotation of the
+// credentials, unless they were rotated already.
+func (a *Authenticator) maybeRefreshCreds(creds *credentials, r *clientauthentication.Response) error {
 	a.mu.Lock()
 	defer a.mu.Unlock()
 
-	if token != a.cachedToken {
-		// Token already rotated.
+	// Since we're not making a new pointer to a.cachedCreds in getCreds, no
+	// need to do deep comparison.
+	if creds != a.cachedCreds {
+		// Credentials already rotated.
 		return nil
 	}
 
-	_, err := a.getToken(r)
-	return err
+	return a.refreshCredsLocked(r)
 }
 
-// getToken executes the plugin and reads the credentials from stdout. It must be
-// called while holding the Authenticator's mutex.
-func (a *Authenticator) getToken(r *clientauthentication.Response) (string, error) {
+// refreshCredsLocked executes the plugin and reads the credentials from
+// stdout. It must be called while holding the Authenticator's mutex.
+func (a *Authenticator) refreshCredsLocked(r *clientauthentication.Response) error {
 	cred := &clientauthentication.ExecCredential{
 		Spec: clientauthentication.ExecCredentialSpec{
 			Response:    r,
@@ -234,7 +296,7 @@ func (a *Authenticator) getToken(r *clientauthentication.Response) (string, erro
 
 	data, err := runtime.Encode(codecs.LegacyCodec(a.group), cred)
 	if err != nil {
-		return "", fmt.Errorf("encode ExecCredentials: %v", err)
+		return fmt.Errorf("encode ExecCredentials: %v", err)
 	}
 
 	env := append(a.environ(), a.env...)
@@ -250,23 +312,26 @@ func (a *Authenticator) getToken(r *clientauthentication.Response) (string, erro
 	}
 
 	if err := cmd.Run(); err != nil {
-		return "", fmt.Errorf("exec: %v", err)
+		return fmt.Errorf("exec: %v", err)
 	}
 
 	_, gvk, err := codecs.UniversalDecoder(a.group).Decode(stdout.Bytes(), nil, cred)
 	if err != nil {
-		return "", fmt.Errorf("decode stdout: %v", err)
+		return fmt.Errorf("decoding stdout: %v", err)
 	}
 	if gvk.Group != a.group.Group || gvk.Version != a.group.Version {
-		return "", fmt.Errorf("exec plugin is configured to use API version %s, plugin returned version %s",
+		return fmt.Errorf("exec plugin is configured to use API version %s, plugin returned version %s",
 			a.group, schema.GroupVersion{Group: gvk.Group, Version: gvk.Version})
 	}
 
 	if cred.Status == nil {
-		return "", fmt.Errorf("exec plugin didn't return a status field")
+		return fmt.Errorf("exec plugin didn't return a status field")
 	}
-	if cred.Status.Token == "" {
-		return "", fmt.Errorf("exec plugin didn't return a token")
+	if cred.Status.Token == "" && cred.Status.ClientCertificateData == "" && cred.Status.ClientKeyData == "" {
+		return fmt.Errorf("exec plugin didn't return a token or cert/key pair")
+	}
+	if (cred.Status.ClientCertificateData == "") != (cred.Status.ClientKeyData == "") {
+		return fmt.Errorf("exec plugin returned only certificate or key, not both")
 	}
 
 	if cred.Status.ExpirationTimestamp != nil {
@@ -274,7 +339,24 @@ func (a *Authenticator) getToken(r *clientauthentication.Response) (string, erro
 	} else {
 		a.exp = time.Time{}
 	}
-	a.cachedToken = cred.Status.Token
 
-	return a.cachedToken, nil
+	newCreds := &credentials{
+		token: cred.Status.Token,
+	}
+	if cred.Status.ClientKeyData != "" && cred.Status.ClientCertificateData != "" {
+		cert, err := tls.X509KeyPair([]byte(cred.Status.ClientCertificateData), []byte(cred.Status.ClientKeyData))
+		if err != nil {
+			return fmt.Errorf("failed parsing client key/certificate: %v", err)
+		}
+		newCreds.cert = &cert
+	}
+
+	oldCreds := a.cachedCreds
+	a.cachedCreds = newCreds
+	// Only close all connections when TLS cert rotates. Token rotation doesn't
+	// need the extra noise.
+	if a.onRotate != nil && oldCreds != nil && !reflect.DeepEqual(oldCreds.cert, a.cachedCreds.cert) {
+		a.onRotate()
+	}
+	return nil
 }

plugin/pkg/client/auth/exec/exec_test.go

@@ -18,19 +18,88 @@ package exec
 
 import (
 	"bytes"
+	"crypto/ecdsa"
+	"crypto/elliptic"
+	"crypto/rand"
+	"crypto/tls"
+	"crypto/x509"
+	"crypto/x509/pkix"
 	"encoding/json"
+	"encoding/pem"
 	"fmt"
 	"io/ioutil"
+	"math/big"
 	"net/http"
 	"net/http/httptest"
+	"reflect"
 	"strings"
 	"testing"
 	"time"
 
+	v1 "k8s.io/apimachinery/pkg/apis/meta/v1"
+	"k8s.io/apimachinery/pkg/runtime"
 	"k8s.io/client-go/pkg/apis/clientauthentication"
 	"k8s.io/client-go/tools/clientcmd/api"
+	"k8s.io/client-go/transport"
 )
 
+var (
+	certData = []byte(`-----BEGIN CERTIFICATE-----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+-----END CERTIFICATE-----`)
+	keyData = []byte(`-----BEGIN RSA PRIVATE KEY-----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+-----END RSA PRIVATE KEY-----`)
+	validCert *tls.Certificate
+)
+
+func init() {
+	cert, err := tls.X509KeyPair(certData, keyData)
+	if err != nil {
+		panic(err)
+	}
+	validCert = &cert
+}
+
 func TestCacheKey(t *testing.T) {
 	c1 := &api.ExecConfig{
 		Command: "foo-bar",
@@ -93,7 +162,7 @@ func compJSON(t *testing.T, got, want []byte) {
 	}
 }
 
-func TestGetToken(t *testing.T) {
+func TestRefreshCreds(t *testing.T) {
 	tests := []struct {
 		name        string
 		config      api.ExecConfig
@@ -101,7 +170,7 @@ func TestGetToken(t *testing.T) {
 		interactive bool
 		response    *clientauthentication.Response
 		wantInput   string
-		wantToken   string
+		wantCreds   credentials
 		wantExpiry  time.Time
 		wantErr     bool
 	}{
@@ -122,7 +191,7 @@ func TestGetToken(t *testing.T) {
 					"token": "foo-bar"
 				}
 			}`,
-			wantToken: "foo-bar",
+			wantCreds: credentials{token: "foo-bar"},
 		},
 		{
 			name: "interactive",
@@ -144,7 +213,7 @@ func TestGetToken(t *testing.T) {
 					"token": "foo-bar"
 				}
 			}`,
-			wantToken: "foo-bar",
+			wantCreds: credentials{token: "foo-bar"},
 		},
 		{
 			name: "response",
@@ -178,7 +247,7 @@ func TestGetToken(t *testing.T) {
 					"token": "foo-bar"
 				}
 			}`,
-			wantToken: "foo-bar",
+			wantCreds: credentials{token: "foo-bar"},
 		},
 		{
 			name: "expiry",
@@ -199,7 +268,7 @@ func TestGetToken(t *testing.T) {
 				}
 			}`,
 			wantExpiry: time.Date(2006, 01, 02, 15, 04, 05, 0, time.UTC),
-			wantToken:  "foo-bar",
+			wantCreds:  credentials{token: "foo-bar"},
 		},
 		{
 			name: "no-group-version",
@@ -236,7 +305,7 @@ func TestGetToken(t *testing.T) {
 			wantErr: true,
 		},
 		{
-			name: "no-token",
+			name: "no-creds",
 			config: api.ExecConfig{
 				APIVersion: "client.authentication.k8s.io/v1alpha1",
 			},
@@ -252,6 +321,65 @@ func TestGetToken(t *testing.T) {
 			}`,
 			wantErr: true,
 		},
+		{
+			name: "TLS credentials",
+			config: api.ExecConfig{
+				APIVersion: "client.authentication.k8s.io/v1alpha1",
+			},
+			wantInput: `{
+				"kind":"ExecCredential",
+				"apiVersion":"client.authentication.k8s.io/v1alpha1",
+				"spec": {}
+			}`,
+			output: fmt.Sprintf(`{
+				"kind": "ExecCredential",
+				"apiVersion": "client.authentication.k8s.io/v1alpha1",
+				"status": {
+					"clientKeyData": %q,
+					"clientCertificateData": %q
+				}
+			}`, keyData, certData),
+			wantCreds: credentials{cert: validCert},
+		},
+		{
+			name: "bad TLS credentials",
+			config: api.ExecConfig{
+				APIVersion: "client.authentication.k8s.io/v1alpha1",
+			},
+			wantInput: `{
+				"kind":"ExecCredential",
+				"apiVersion":"client.authentication.k8s.io/v1alpha1",
+				"spec": {}
+			}`,
+			output: `{
+				"kind": "ExecCredential",
+				"apiVersion": "client.authentication.k8s.io/v1alpha1",
+				"status": {
+					"clientKeyData": "foo",
+					"clientCertificateData": "bar"
+				}
+			}`,
+			wantErr: true,
+		},
+		{
+			name: "cert but no key",
+			config: api.ExecConfig{
+				APIVersion: "client.authentication.k8s.io/v1alpha1",
+			},
+			wantInput: `{
+				"kind":"ExecCredential",
+				"apiVersion":"client.authentication.k8s.io/v1alpha1",
+				"spec": {}
+			}`,
+			output: fmt.Sprintf(`{
+				"kind": "ExecCredential",
+				"apiVersion": "client.authentication.k8s.io/v1alpha1",
+				"status": {
+					"clientCertificateData": %q
+				}
+			}`, certData),
+			wantErr: true,
+		},
 	}
 
 	for _, test := range tests {
@@ -274,8 +402,7 @@ func TestGetToken(t *testing.T) {
 			a.interactive = test.interactive
 			a.environ = func() []string { return nil }
 
-			token, err := a.getToken(test.response)
-			if err != nil {
+			if err := a.refreshCredsLocked(test.response); err != nil {
 				if !test.wantErr {
 					t.Errorf("get token %v", err)
 				}
@@ -285,8 +412,8 @@ func TestGetToken(t *testing.T) {
 				t.Fatal("expected error getting token")
 			}
 
-			if token != test.wantToken {
-				t.Errorf("expected token %q got %q", test.wantToken, token)
+			if !reflect.DeepEqual(a.cachedCreds, &test.wantCreds) {
+				t.Errorf("expected credentials %+v got %+v", &test.wantCreds, a.cachedCreds)
 			}
 
 			if !a.exp.Equal(test.wantExpiry) {
@@ -342,8 +469,12 @@ func TestRoundTripper(t *testing.T) {
 	a.now = now
 	a.stderr = ioutil.Discard
 
+	tc := &transport.Config{}
+	if err := a.UpdateTransportConfig(tc); err != nil {
+		t.Fatal(err)
+	}
 	client := http.Client{
-		Transport: a.WrapTransport(http.DefaultTransport),
+		Transport: tc.WrapTransport(http.DefaultTransport),
 	}
 
 	get := func(t *testing.T, statusCode int) {
@@ -411,3 +542,134 @@ func TestRoundTripper(t *testing.T) {
 	// Old token is expired, should refresh automatically without hitting a 401.
 	get(t, http.StatusOK)
 }
+
+func TestTLSCredentials(t *testing.T) {
+	now := time.Now()
+
+	certPool := x509.NewCertPool()
+	cert, key := genClientCert(t)
+	if !certPool.AppendCertsFromPEM(cert) {
+		t.Fatal("failed to add client cert to CertPool")
+	}
+
+	server := httptest.NewUnstartedServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
+		fmt.Fprintln(w, "ok")
+	}))
+	server.TLS = &tls.Config{
+		ClientAuth: tls.RequireAndVerifyClientCert,
+		ClientCAs:  certPool,
+	}
+	server.StartTLS()
+	defer server.Close()
+
+	a, err := newAuthenticator(newCache(), &api.ExecConfig{
+		Command:    "./testdata/test-plugin.sh",
+		APIVersion: "client.authentication.k8s.io/v1alpha1",
+	})
+	if err != nil {
+		t.Fatal(err)
+	}
+	var output *clientauthentication.ExecCredential
+	a.environ = func() []string {
+		data, err := runtime.Encode(codecs.LegacyCodec(a.group), output)
+		if err != nil {
+			t.Fatal(err)
+		}
+		return []string{"TEST_OUTPUT=" + string(data)}
+	}
+	a.now = func() time.Time { return now }
+	a.stderr = ioutil.Discard
+
+	// We're not interested in server's cert, this test is about client cert.
+	tc := &transport.Config{TLS: transport.TLSConfig{Insecure: true}}
+	if err := a.UpdateTransportConfig(tc); err != nil {
+		t.Fatal(err)
+	}
+
+	get := func(t *testing.T, desc string, wantErr bool) {
+		t.Run(desc, func(t *testing.T) {
+			tlsCfg, err := transport.TLSConfigFor(tc)
+			if err != nil {
+				t.Fatal("TLSConfigFor:", err)
+			}
+			client := http.Client{
+				Transport: &http.Transport{TLSClientConfig: tlsCfg},
+			}
+			resp, err := client.Get(server.URL)
+			switch {
+			case err != nil && !wantErr:
+				t.Errorf("got client.Get error: %q, want nil", err)
+			case err == nil && wantErr:
+				t.Error("got nil client.Get error, want non-nil")
+			}
+			if err == nil {
+				resp.Body.Close()
+			}
+		})
+	}
+
+	output = &clientauthentication.ExecCredential{
+		Status: &clientauthentication.ExecCredentialStatus{
+			ClientCertificateData: string(cert),
+			ClientKeyData:         string(key),
+			ExpirationTimestamp:   &v1.Time{now.Add(time.Hour)},
+		},
+	}
+	get(t, "valid TLS cert", false)
+
+	// Advance time to force re-exec.
+	nCert, nKey := genClientCert(t)
+	now = now.Add(time.Hour * 2)
+	output = &clientauthentication.ExecCredential{
+		Status: &clientauthentication.ExecCredentialStatus{
+			ClientCertificateData: string(nCert),
+			ClientKeyData:         string(nKey),
+			ExpirationTimestamp:   &v1.Time{now.Add(time.Hour)},
+		},
+	}
+	get(t, "untrusted TLS cert", true)
+
+	now = now.Add(time.Hour * 2)
+	output = &clientauthentication.ExecCredential{
+		Status: &clientauthentication.ExecCredentialStatus{
+			ClientCertificateData: string(cert),
+			ClientKeyData:         string(key),
+			ExpirationTimestamp:   &v1.Time{now.Add(time.Hour)},
+		},
+	}
+	get(t, "valid TLS cert again", false)
+}
+
+// genClientCert generates an x509 certificate for testing. Certificate and key
+// are returned in PEM encoding.
+func genClientCert(t *testing.T) ([]byte, []byte) {
+	key, err := ecdsa.GenerateKey(elliptic.P256(), rand.Reader)
+	if err != nil {
+		t.Fatal(err)
+	}
+	keyRaw, err := x509.MarshalECPrivateKey(key)
+	if err != nil {
+		t.Fatal(err)
+	}
+	serialNumberLimit := new(big.Int).Lsh(big.NewInt(1), 128)
+	serialNumber, err := rand.Int(rand.Reader, serialNumberLimit)
+	if err != nil {
+		t.Fatal(err)
+	}
+	cert := &x509.Certificate{
+		SerialNumber: serialNumber,
+		Subject:      pkix.Name{Organization: []string{"Acme Co"}},
+		NotBefore:    time.Now(),
+		NotAfter:     time.Now().Add(24 * time.Hour),
+
+		KeyUsage:              x509.KeyUsageKeyEncipherment | x509.KeyUsageDigitalSignature,
+		ExtKeyUsage:           []x509.ExtKeyUsage{x509.ExtKeyUsageClientAuth},
+		BasicConstraintsValid: true,
+	}
+	certRaw, err := x509.CreateCertificate(rand.Reader, cert, cert, key.Public(), key)
+	if err != nil {
+		t.Fatal(err)
+	}
+	return pem.EncodeToMemory(&pem.Block{Type: "CERTIFICATE", Bytes: certRaw}),
+		pem.EncodeToMemory(&pem.Block{Type: "PRIVATE KEY", Bytes: keyRaw})
+}

plugin/pkg/client/auth/exec/testdata/test-plugin.sh

@@ -1,4 +1,4 @@
-#!/bin/sh -e
+#!/bin/bash -e
 
 # Copyright 2018 The Kubernetes Authors.
 #

plugin/pkg/client/auth/oidc/oidc.go

@@ -279,7 +279,7 @@ func (p *oidcAuthProvider) idToken() (string, error) {
 
 	// Persist new config and if successful, update the in memory config.
 	if err = p.persister.Persist(newCfg); err != nil {
-		return "", fmt.Errorf("could not perist new tokens: %v", err)
+		return "", fmt.Errorf("could not persist new tokens: %v", err)
 	}
 	p.cfg = newCfg
 

rest/config.go

@@ -17,6 +17,7 @@ limitations under the License.
 package rest
 
 import (
+	"context"
 	"fmt"
 	"io/ioutil"
 	"net"
@@ -110,7 +111,7 @@ type Config struct {
 	Timeout time.Duration
 
 	// Dial specifies the dial function for creating unencrypted TCP connections.
-	Dial func(network, addr string) (net.Conn, error)
+	Dial func(ctx context.Context, network, address string) (net.Conn, error)
 
 	// Version forces a specific version to be used (if registered)
 	// Do we need this?

rest/config_test.go

@@ -17,6 +17,8 @@ limitations under the License.
 package rest
 
 import (
+	"context"
+	"errors"
 	"io"
 	"net"
 	"net/http"
@@ -25,8 +27,6 @@ import (
 	"strings"
 	"testing"
 
-	fuzz "github.com/google/gofuzz"
-
 	"k8s.io/api/core/v1"
 	"k8s.io/apimachinery/pkg/runtime"
 	"k8s.io/apimachinery/pkg/runtime/schema"
@@ -35,8 +35,7 @@ import (
 	clientcmdapi "k8s.io/client-go/tools/clientcmd/api"
 	"k8s.io/client-go/util/flowcontrol"
 
-	"errors"
-
+	fuzz "github.com/google/gofuzz"
 	"github.com/stretchr/testify/assert"
 )
 
@@ -208,7 +207,7 @@ func (n *fakeNegotiatedSerializer) DecoderToVersion(serializer runtime.Decoder,
 	return &fakeCodec{}
 }
 
-var fakeDialFunc = func(network, addr string) (net.Conn, error) {
+var fakeDialFunc = func(ctx context.Context, network, addr string) (net.Conn, error) {
 	return nil, fakeDialerError
 }
 var fakeDialerError = errors.New("fakedialer")
@@ -253,7 +252,7 @@ func TestAnonymousConfig(t *testing.T) {
 			r.Config = map[string]string{}
 		},
 		// Dial does not require fuzzer
-		func(r *func(network, addr string) (net.Conn, error), f fuzz.Continue) {},
+		func(r *func(ctx context.Context, network, addr string) (net.Conn, error), f fuzz.Continue) {},
 	)
 	for i := 0; i < 20; i++ {
 		original := &Config{}
@@ -284,10 +283,10 @@ func TestAnonymousConfig(t *testing.T) {
 			expected.WrapTransport = nil
 		}
 		if actual.Dial != nil {
-			_, actualError := actual.Dial("", "")
-			_, expectedError := actual.Dial("", "")
+			_, actualError := actual.Dial(context.Background(), "", "")
+			_, expectedError := expected.Dial(context.Background(), "", "")
 			if !reflect.DeepEqual(expectedError, actualError) {
-				t.Fatalf("CopyConfig  dropped the Dial field")
+				t.Fatalf("CopyConfig dropped the Dial field")
 			}
 		} else {
 			actual.Dial = nil
@@ -329,7 +328,7 @@ func TestCopyConfig(t *testing.T) {
 		func(r *AuthProviderConfigPersister, f fuzz.Continue) {
 			*r = fakeAuthProviderConfigPersister{}
 		},
-		func(r *func(network, addr string) (net.Conn, error), f fuzz.Continue) {
+		func(r *func(ctx context.Context, network, addr string) (net.Conn, error), f fuzz.Continue) {
 			*r = fakeDialFunc
 		},
 	)
@@ -351,8 +350,8 @@ func TestCopyConfig(t *testing.T) {
 			expected.WrapTransport = nil
 		}
 		if actual.Dial != nil {
-			_, actualError := actual.Dial("", "")
-			_, expectedError := actual.Dial("", "")
+			_, actualError := actual.Dial(context.Background(), "", "")
+			_, expectedError := expected.Dial(context.Background(), "", "")
 			if !reflect.DeepEqual(expectedError, actualError) {
 				t.Fatalf("CopyConfig  dropped the Dial field")
 			}
@@ -361,7 +360,7 @@ func TestCopyConfig(t *testing.T) {
 		expected.Dial = nil
 		if actual.AuthConfigPersister != nil {
 			actualError := actual.AuthConfigPersister.Persist(nil)
-			expectedError := actual.AuthConfigPersister.Persist(nil)
+			expectedError := expected.AuthConfigPersister.Persist(nil)
 			if !reflect.DeepEqual(expectedError, actualError) {
 				t.Fatalf("CopyConfig  dropped the Dial field")
 			}

rest/transport.go

@@ -59,39 +59,10 @@ func HTTPWrappersForConfig(config *Config, rt http.RoundTripper) (http.RoundTrip
 
 // TransportConfig converts a client config to an appropriate transport config.
 func (c *Config) TransportConfig() (*transport.Config, error) {
-	wt := c.WrapTransport
-	if c.ExecProvider != nil {
-		provider, err := exec.GetAuthenticator(c.ExecProvider)
-		if err != nil {
-			return nil, err
-		}
-		if wt != nil {
-			previousWT := wt
-			wt = func(rt http.RoundTripper) http.RoundTripper {
-				return provider.WrapTransport(previousWT(rt))
-			}
-		} else {
-			wt = provider.WrapTransport
-		}
-	}
-	if c.AuthProvider != nil {
-		provider, err := GetAuthProvider(c.Host, c.AuthProvider, c.AuthConfigPersister)
-		if err != nil {
-			return nil, err
-		}
-		if wt != nil {
-			previousWT := wt
-			wt = func(rt http.RoundTripper) http.RoundTripper {
-				return provider.WrapTransport(previousWT(rt))
-			}
-		} else {
-			wt = provider.WrapTransport
-		}
-	}
-	return &transport.Config{
+	conf := &transport.Config{
 		UserAgent:     c.UserAgent,
 		Transport:     c.Transport,
-		WrapTransport: wt,
+		WrapTransport: c.WrapTransport,
 		TLS: transport.TLSConfig{
 			Insecure:   c.Insecure,
 			ServerName: c.ServerName,
@@ -111,5 +82,29 @@ func (c *Config) TransportConfig() (*transport.Config, error) {
 			Extra:    c.Impersonate.Extra,
 		},
 		Dial: c.Dial,
-	}, nil
+	}
+	if c.ExecProvider != nil {
+		provider, err := exec.GetAuthenticator(c.ExecProvider)
+		if err != nil {
+			return nil, err
+		}
+		if err := provider.UpdateTransportConfig(conf); err != nil {
+			return nil, err
+		}
+	}
+	if c.AuthProvider != nil {
+		provider, err := GetAuthProvider(c.Host, c.AuthProvider, c.AuthConfigPersister)
+		if err != nil {
+			return nil, err
+		}
+		wt := conf.WrapTransport
+		if wt != nil {
+			conf.WrapTransport = func(rt http.RoundTripper) http.RoundTripper {
+				return provider.WrapTransport(wt(rt))
+			}
+		} else {
+			conf.WrapTransport = provider.WrapTransport
+		}
+	}
+	return conf, nil
 }

testing/fixture.go

@@ -25,6 +25,8 @@ import (
 	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
 	"k8s.io/apimachinery/pkg/runtime"
 	"k8s.io/apimachinery/pkg/runtime/schema"
+	"k8s.io/apimachinery/pkg/util/json"
+	"k8s.io/apimachinery/pkg/util/strategicpatch"
 	"k8s.io/apimachinery/pkg/watch"
 	restclient "k8s.io/client-go/rest"
 )
@@ -72,7 +74,6 @@ func ObjectReaction(tracker ObjectTracker) ReactionFunc {
 	return func(action Action) (bool, runtime.Object, error) {
 		ns := action.GetNamespace()
 		gvr := action.GetResource()
-
 		// Here and below we need to switch on implementation types,
 		// not on interfaces, as some interfaces are identical
 		// (e.g. UpdateAction and CreateAction), so if we use them,
@@ -125,6 +126,34 @@ func ObjectReaction(tracker ObjectTracker) ReactionFunc {
 			}
 			return true, nil, nil
 
+		case PatchActionImpl:
+			obj, err := tracker.Get(gvr, ns, action.GetName())
+			if err != nil {
+				// object is not registered
+				return false, nil, err
+			}
+
+			old, err := json.Marshal(obj)
+			if err != nil {
+				return true, nil, err
+			}
+			// Only supports strategic merge patch
+			// TODO: Add support for other Patch types
+			mergedByte, err := strategicpatch.StrategicMergePatch(old, action.GetPatch(), obj)
+			if err != nil {
+				return true, nil, err
+			}
+
+			if err = json.Unmarshal(mergedByte, obj); err != nil {
+				return true, nil, err
+			}
+
+			if err = tracker.Update(gvr, obj, ns); err != nil {
+				return true, nil, err
+			}
+
+			return true, obj, nil
+
 		default:
 			return false, nil, fmt.Errorf("no reaction implemented for %s", action)
 		}

tools/clientcmd/api/v1/conversion.go

@@ -17,6 +17,7 @@ limitations under the License.
 package v1
 
 import (
+	"fmt"
 	"sort"
 
 	"k8s.io/apimachinery/pkg/conversion"
@@ -105,7 +106,11 @@ func addConversionFuncs(scheme *runtime.Scheme) error {
 				if err := s.Convert(&curr.Cluster, newCluster, 0); err != nil {
 					return err
 				}
-				(*out)[curr.Name] = newCluster
+				if (*out)[curr.Name] == nil {
+					(*out)[curr.Name] = newCluster
+				} else {
+					return fmt.Errorf("error converting *[]NamedCluster into *map[string]*api.Cluster: duplicate name \"%v\" in list: %v", curr.Name, *in)
+				}
 			}
 
 			return nil
@@ -136,7 +141,11 @@ func addConversionFuncs(scheme *runtime.Scheme) error {
 				if err := s.Convert(&curr.AuthInfo, newAuthInfo, 0); err != nil {
 					return err
 				}
-				(*out)[curr.Name] = newAuthInfo
+				if (*out)[curr.Name] == nil {
+					(*out)[curr.Name] = newAuthInfo
+				} else {
+					return fmt.Errorf("error converting *[]NamedAuthInfo into *map[string]*api.AuthInfo: duplicate name \"%v\" in list: %v", curr.Name, *in)
+				}
 			}
 
 			return nil
@@ -167,7 +176,11 @@ func addConversionFuncs(scheme *runtime.Scheme) error {
 				if err := s.Convert(&curr.Context, newContext, 0); err != nil {
 					return err
 				}
-				(*out)[curr.Name] = newContext
+				if (*out)[curr.Name] == nil {
+					(*out)[curr.Name] = newContext
+				} else {
+					return fmt.Errorf("error converting *[]NamedContext into *map[string]*api.Context: duplicate name \"%v\" in list: %v", curr.Name, *in)
+				}
 			}
 
 			return nil
@@ -198,7 +211,11 @@ func addConversionFuncs(scheme *runtime.Scheme) error {
 				if err := s.Convert(&curr.Extension, &newExtension, 0); err != nil {
 					return err
 				}
-				(*out)[curr.Name] = newExtension
+				if (*out)[curr.Name] == nil {
+					(*out)[curr.Name] = newExtension
+				} else {
+					return fmt.Errorf("error converting *[]NamedExtension into *map[string]runtime.Object: duplicate name \"%v\" in list: %v", curr.Name, *in)
+				}
 			}
 
 			return nil

tools/clientcmd/loader_test.go

@@ -201,6 +201,174 @@ func TestLoadingEmptyMaps(t *testing.T) {
 	}
 }
 
+func TestDuplicateClusterName(t *testing.T) {
+	configFile, _ := ioutil.TempFile("", "")
+	defer os.Remove(configFile.Name())
+
+	err := ioutil.WriteFile(configFile.Name(), []byte(`
+kind: Config
+apiVersion: v1
+clusters:
+- cluster:
+    api-version: v1
+    server: https://kubernetes.default.svc:443
+    certificate-authority: /var/run/secrets/kubernetes.io/serviceaccount/ca.crt
+  name: kubeconfig-cluster
+- cluster:
+    api-version: v2
+    server: https://test.example.server:443
+    certificate-authority: /var/run/secrets/test.example.io/serviceaccount/ca.crt
+  name: kubeconfig-cluster
+contexts:
+- context:
+    cluster: kubeconfig-cluster
+    namespace: default
+    user: kubeconfig-user
+  name: kubeconfig-context
+current-context: kubeconfig-context
+users:
+- name: kubeconfig-user
+  user:
+    tokenFile: /var/run/secrets/kubernetes.io/serviceaccount/token
+`), os.FileMode(0755))
+
+	if err != nil {
+		t.Errorf("Unexpected error: %v", err)
+	}
+
+	_, err = LoadFromFile(configFile.Name())
+	if err == nil || !strings.Contains(err.Error(),
+		"error converting *[]NamedCluster into *map[string]*api.Cluster: duplicate name \"kubeconfig-cluster\" in list") {
+		t.Error("Expected error in loading duplicate cluster name, got none")
+	}
+}
+
+func TestDuplicateContextName(t *testing.T) {
+	configFile, _ := ioutil.TempFile("", "")
+	defer os.Remove(configFile.Name())
+
+	err := ioutil.WriteFile(configFile.Name(), []byte(`
+kind: Config
+apiVersion: v1
+clusters:
+- cluster:
+    api-version: v1
+    server: https://kubernetes.default.svc:443
+    certificate-authority: /var/run/secrets/kubernetes.io/serviceaccount/ca.crt
+  name: kubeconfig-cluster
+contexts:
+- context:
+    cluster: kubeconfig-cluster
+    namespace: default
+    user: kubeconfig-user
+  name: kubeconfig-context
+- context:
+    cluster: test-example-cluster
+    namespace: test-example
+    user: test-example-user
+  name: kubeconfig-context
+current-context: kubeconfig-context
+users:
+- name: kubeconfig-user
+  user:
+    tokenFile: /var/run/secrets/kubernetes.io/serviceaccount/token
+`), os.FileMode(0755))
+
+	if err != nil {
+		t.Errorf("Unexpected error: %v", err)
+	}
+
+	_, err = LoadFromFile(configFile.Name())
+	if err == nil || !strings.Contains(err.Error(),
+		"error converting *[]NamedContext into *map[string]*api.Context: duplicate name \"kubeconfig-context\" in list") {
+		t.Error("Expected error in loading duplicate context name, got none")
+	}
+}
+
+func TestDuplicateUserName(t *testing.T) {
+	configFile, _ := ioutil.TempFile("", "")
+	defer os.Remove(configFile.Name())
+
+	err := ioutil.WriteFile(configFile.Name(), []byte(`
+kind: Config
+apiVersion: v1
+clusters:
+- cluster:
+    api-version: v1
+    server: https://kubernetes.default.svc:443
+    certificate-authority: /var/run/secrets/kubernetes.io/serviceaccount/ca.crt
+  name: kubeconfig-cluster
+contexts:
+- context:
+    cluster: kubeconfig-cluster
+    namespace: default
+    user: kubeconfig-user
+  name: kubeconfig-context
+current-context: kubeconfig-context
+users:
+- name: kubeconfig-user
+  user:
+    tokenFile: /var/run/secrets/kubernetes.io/serviceaccount/token
+- name: kubeconfig-user
+  user:
+    tokenFile: /var/run/secrets/test.example.com/serviceaccount/token
+`), os.FileMode(0755))
+
+	if err != nil {
+		t.Errorf("Unexpected error: %v", err)
+	}
+
+	_, err = LoadFromFile(configFile.Name())
+	if err == nil || !strings.Contains(err.Error(),
+		"error converting *[]NamedAuthInfo into *map[string]*api.AuthInfo: duplicate name \"kubeconfig-user\" in list") {
+		t.Error("Expected error in loading duplicate user name, got none")
+	}
+}
+
+func TestDuplicateExtensionName(t *testing.T) {
+	configFile, _ := ioutil.TempFile("", "")
+	defer os.Remove(configFile.Name())
+
+	err := ioutil.WriteFile(configFile.Name(), []byte(`
+kind: Config
+apiVersion: v1
+clusters:
+- cluster:
+    api-version: v1
+    server: https://kubernetes.default.svc:443
+    certificate-authority: /var/run/secrets/kubernetes.io/serviceaccount/ca.crt
+  name: kubeconfig-cluster
+contexts:
+- context:
+    cluster: kubeconfig-cluster
+    namespace: default
+    user: kubeconfig-user
+  name: kubeconfig-context
+current-context: kubeconfig-context
+users:
+- name: kubeconfig-user
+  user:
+    tokenFile: /var/run/secrets/kubernetes.io/serviceaccount/token
+extensions:
+- extension:
+    bytes: test
+  name: test-extension
+- extension:
+    bytes: some-example
+  name: test-extension
+`), os.FileMode(0755))
+
+	if err != nil {
+		t.Errorf("Unexpected error: %v", err)
+	}
+
+	_, err = LoadFromFile(configFile.Name())
+	if err == nil || !strings.Contains(err.Error(),
+		"error converting *[]NamedExtension into *map[string]runtime.Object: duplicate name \"test-extension\" in list") {
+		t.Error("Expected error in loading duplicate extension name, got none")
+	}
+}
+
 func TestResolveRelativePaths(t *testing.T) {
 	pathResolutionConfig1 := clientcmdapi.Config{
 		AuthInfos: map[string]*clientcmdapi.AuthInfo{

tools/leaderelection/leaderelection.go

@@ -74,6 +74,16 @@ func NewLeaderElector(lec LeaderElectionConfig) (*LeaderElector, error) {
 	if lec.RenewDeadline <= time.Duration(JitterFactor*float64(lec.RetryPeriod)) {
 		return nil, fmt.Errorf("renewDeadline must be greater than retryPeriod*JitterFactor")
 	}
+	if lec.LeaseDuration < 1 {
+		return nil, fmt.Errorf("leaseDuration must be greater than zero")
+	}
+	if lec.RenewDeadline < 1 {
+		return nil, fmt.Errorf("renewDeadline must be greater than zero")
+	}
+	if lec.RetryPeriod < 1 {
+		return nil, fmt.Errorf("retryPeriod must be greater than zero")
+	}
+
 	if lec.Lock == nil {
 		return nil, fmt.Errorf("Lock must not be nil.")
 	}

tools/record/event.go

@@ -72,6 +72,9 @@ type EventRecorder interface {
 
 	// PastEventf is just like Eventf, but with an option to specify the event's 'timestamp' field.
 	PastEventf(object runtime.Object, timestamp metav1.Time, eventtype, reason, messageFmt string, args ...interface{})
+
+	// AnnotatedEventf is just like eventf, but with annotations attached
+	AnnotatedEventf(object runtime.Object, annotations map[string]string, eventtype, reason, messageFmt string, args ...interface{})
 }
 
 // EventBroadcaster knows how to receive events and send them to any EventSink, watcher, or log.
@@ -250,7 +253,7 @@ type recorderImpl struct {
 	clock clock.Clock
 }
 
-func (recorder *recorderImpl) generateEvent(object runtime.Object, timestamp metav1.Time, eventtype, reason, message string) {
+func (recorder *recorderImpl) generateEvent(object runtime.Object, annotations map[string]string, timestamp metav1.Time, eventtype, reason, message string) {
 	ref, err := ref.GetReference(recorder.scheme, object)
 	if err != nil {
 		glog.Errorf("Could not construct reference to: '%#v' due to: '%v'. Will not report event: '%v' '%v' '%v'", object, err, eventtype, reason, message)
@@ -262,7 +265,7 @@ func (recorder *recorderImpl) generateEvent(object runtime.Object, timestamp met
 		return
 	}
 
-	event := recorder.makeEvent(ref, eventtype, reason, message)
+	event := recorder.makeEvent(ref, annotations, eventtype, reason, message)
 	event.Source = recorder.source
 
 	go func() {
@@ -281,7 +284,7 @@ func validateEventType(eventtype string) bool {
 }
 
 func (recorder *recorderImpl) Event(object runtime.Object, eventtype, reason, message string) {
-	recorder.generateEvent(object, metav1.Now(), eventtype, reason, message)
+	recorder.generateEvent(object, nil, metav1.Now(), eventtype, reason, message)
 }
 
 func (recorder *recorderImpl) Eventf(object runtime.Object, eventtype, reason, messageFmt string, args ...interface{}) {
@@ -289,10 +292,14 @@ func (recorder *recorderImpl) Eventf(object runtime.Object, eventtype, reason, m
 }
 
 func (recorder *recorderImpl) PastEventf(object runtime.Object, timestamp metav1.Time, eventtype, reason, messageFmt string, args ...interface{}) {
-	recorder.generateEvent(object, timestamp, eventtype, reason, fmt.Sprintf(messageFmt, args...))
+	recorder.generateEvent(object, nil, timestamp, eventtype, reason, fmt.Sprintf(messageFmt, args...))
 }
 
-func (recorder *recorderImpl) makeEvent(ref *v1.ObjectReference, eventtype, reason, message string) *v1.Event {
+func (recorder *recorderImpl) AnnotatedEventf(object runtime.Object, annotations map[string]string, eventtype, reason, messageFmt string, args ...interface{}) {
+	recorder.generateEvent(object, annotations, metav1.Now(), eventtype, reason, fmt.Sprintf(messageFmt, args...))
+}
+
+func (recorder *recorderImpl) makeEvent(ref *v1.ObjectReference, annotations map[string]string, eventtype, reason, message string) *v1.Event {
 	t := metav1.Time{Time: recorder.clock.Now()}
 	namespace := ref.Namespace
 	if namespace == "" {
@@ -300,8 +307,9 @@ func (recorder *recorderImpl) makeEvent(ref *v1.ObjectReference, eventtype, reas
 	}
 	return &v1.Event{
 		ObjectMeta: metav1.ObjectMeta{
-			Name:      fmt.Sprintf("%v.%x", ref.Name, t.UnixNano()),
-			Namespace: namespace,
+			Name:        fmt.Sprintf("%v.%x", ref.Name, t.UnixNano()),
+			Namespace:   namespace,
+			Annotations: annotations,
 		},
 		InvolvedObject: *ref,
 		Reason:         reason,

tools/record/fake.go

@@ -45,6 +45,10 @@ func (f *FakeRecorder) Eventf(object runtime.Object, eventtype, reason, messageF
 func (f *FakeRecorder) PastEventf(object runtime.Object, timestamp metav1.Time, eventtype, reason, messageFmt string, args ...interface{}) {
 }
 
+func (f *FakeRecorder) AnnotatedEventf(object runtime.Object, annotations map[string]string, eventtype, reason, messageFmt string, args ...interface{}) {
+	f.Eventf(object, eventtype, reason, messageFmt, args)
+}
+
 // NewFakeRecorder creates new fake event recorder with event channel with
 // buffer of given size.
 func NewFakeRecorder(bufferSize int) *FakeRecorder {

tools/reference/ref.go

@@ -86,10 +86,14 @@ func GetReference(scheme *runtime.Scheme, obj runtime.Object) (*v1.ObjectReferen
 		}
 		// example paths: /<prefix>/<version>/*
 		parts := strings.Split(selfLinkUrl.Path, "/")
-		if len(parts) < 3 {
+		if len(parts) < 4 {
 			return nil, fmt.Errorf("unexpected self link format: '%v'; got version '%v'", selfLink, version)
 		}
-		version = parts[2]
+		if parts[1] == "api" {
+			version = parts[2]
+		} else {
+			version = parts[2] + "/" + parts[3]
+		}
 	}
 
 	// only has list metadata

tools/reference/ref_test.go

@@ -0,0 +1,72 @@
+/*
+Copyright 2018 The Kubernetes Authors.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+package reference
+
+import (
+	"testing"
+
+	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
+	"k8s.io/apimachinery/pkg/runtime"
+	"k8s.io/apimachinery/pkg/runtime/schema"
+)
+
+type TestRuntimeObj struct {
+	metav1.TypeMeta
+	metav1.ObjectMeta
+}
+
+func (o *TestRuntimeObj) DeepCopyObject() runtime.Object {
+	panic("die")
+}
+
+func TestGetReferenceRefVersion(t *testing.T) {
+	tests := []struct {
+		name               string
+		input              *TestRuntimeObj
+		expectedRefVersion string
+	}{
+		{
+			name: "api from selflink",
+			input: &TestRuntimeObj{
+				ObjectMeta: metav1.ObjectMeta{SelfLink: "/api/v1/namespaces"},
+			},
+			expectedRefVersion: "v1",
+		},
+		{
+			name: "foo.group/v3 from selflink",
+			input: &TestRuntimeObj{
+				ObjectMeta: metav1.ObjectMeta{SelfLink: "/apis/foo.group/v3/namespaces"},
+			},
+			expectedRefVersion: "foo.group/v3",
+		},
+	}
+
+	scheme := runtime.NewScheme()
+	scheme.AddKnownTypes(schema.GroupVersion{Group: "this", Version: "is ignored"}, &TestRuntimeObj{})
+
+	for _, test := range tests {
+		t.Run(test.name, func(t *testing.T) {
+			ref, err := GetReference(scheme, test.input)
+			if err != nil {
+				t.Fatal(err)
+			}
+			if test.expectedRefVersion != ref.APIVersion {
+				t.Errorf("expected %q, got %q", test.expectedRefVersion, ref.APIVersion)
+			}
+		})
+	}
+}

transport/cache.go

@@ -43,6 +43,7 @@ type tlsCacheKey struct {
 	caData     string
 	certData   string
 	keyData    string
+	getCert    string
 	serverName string
 	dial       string
 }
@@ -52,7 +53,7 @@ func (t tlsCacheKey) String() string {
 	if len(t.keyData) > 0 {
 		keyText = "<redacted>"
 	}
-	return fmt.Sprintf("insecure:%v, caData:%#v, certData:%#v, keyData:%s, serverName:%s, dial:%s", t.insecure, t.caData, t.certData, keyText, t.serverName, t.dial)
+	return fmt.Sprintf("insecure:%v, caData:%#v, certData:%#v, keyData:%s, getCert: %s, serverName:%s, dial:%s", t.insecure, t.caData, t.certData, keyText, t.getCert, t.serverName, t.dial)
 }
 
 func (c *tlsTransportCache) get(config *Config) (http.RoundTripper, error) {
@@ -85,7 +86,7 @@ func (c *tlsTransportCache) get(config *Config) (http.RoundTripper, error) {
 		dial = (&net.Dialer{
 			Timeout:   30 * time.Second,
 			KeepAlive: 30 * time.Second,
-		}).Dial
+		}).DialContext
 	}
 	// Cache a single transport for these options
 	c.transports[key] = utilnet.SetTransportDefaults(&http.Transport{
@@ -93,7 +94,7 @@ func (c *tlsTransportCache) get(config *Config) (http.RoundTripper, error) {
 		TLSHandshakeTimeout: 10 * time.Second,
 		TLSClientConfig:     tlsConfig,
 		MaxIdleConnsPerHost: idleConnsPerHost,
-		Dial:                dial,
+		DialContext:         dial,
 	})
 	return c.transports[key], nil
 }
@@ -109,6 +110,7 @@ func tlsConfigKey(c *Config) (tlsCacheKey, error) {
 		caData:     string(c.TLS.CAData),
 		certData:   string(c.TLS.CertData),
 		keyData:    string(c.TLS.KeyData),
+		getCert:    fmt.Sprintf("%p", c.TLS.GetCert),
 		serverName: c.TLS.ServerName,
 		dial:       fmt.Sprintf("%p", c.Dial),
 	}, nil

transport/cache_test.go

@@ -17,6 +17,8 @@ limitations under the License.
 package transport
 
 import (
+	"context"
+	"crypto/tls"
 	"net"
 	"net/http"
 	"testing"
@@ -52,10 +54,12 @@ func TestTLSConfigKey(t *testing.T) {
 	}
 
 	// Make sure config fields that affect the tls config affect the cache key
+	dialer := net.Dialer{}
+	getCert := func() (*tls.Certificate, error) { return nil, nil }
 	uniqueConfigurations := map[string]*Config{
 		"no tls":   {},
-		"dialer":   {Dial: net.Dial},
-		"dialer2":  {Dial: func(network, address string) (net.Conn, error) { return nil, nil }},
+		"dialer":   {Dial: dialer.DialContext},
+		"dialer2":  {Dial: func(ctx context.Context, network, address string) (net.Conn, error) { return nil, nil }},
 		"insecure": {TLS: TLSConfig{Insecure: true}},
 		"cadata 1": {TLS: TLSConfig{CAData: []byte{1}}},
 		"cadata 2": {TLS: TLSConfig{CAData: []byte{2}}},
@@ -104,6 +108,24 @@ func TestTLSConfigKey(t *testing.T) {
 				KeyData:  []byte{1},
 			},
 		},
+		"getCert1": {
+			TLS: TLSConfig{
+				KeyData: []byte{1},
+				GetCert: getCert,
+			},
+		},
+		"getCert2": {
+			TLS: TLSConfig{
+				KeyData: []byte{1},
+				GetCert: func() (*tls.Certificate, error) { return nil, nil },
+			},
+		},
+		"getCert1, key 2": {
+			TLS: TLSConfig{
+				KeyData: []byte{2},
+				GetCert: getCert,
+			},
+		},
 	}
 	for nameA, valueA := range uniqueConfigurations {
 		for nameB, valueB := range uniqueConfigurations {

transport/config.go

@@ -17,6 +17,8 @@ limitations under the License.
 package transport
 
 import (
+	"context"
+	"crypto/tls"
 	"net"
 	"net/http"
 )
@@ -53,7 +55,7 @@ type Config struct {
 	WrapTransport func(rt http.RoundTripper) http.RoundTripper
 
 	// Dial specifies the dial function for creating unencrypted TCP connections.
-	Dial func(network, addr string) (net.Conn, error)
+	Dial func(ctx context.Context, network, address string) (net.Conn, error)
 }
 
 // ImpersonationConfig has all the available impersonation options
@@ -83,7 +85,12 @@ func (c *Config) HasTokenAuth() bool {
 
 // HasCertAuth returns whether the configuration has certificate authentication or not.
 func (c *Config) HasCertAuth() bool {
-	return len(c.TLS.CertData) != 0 || len(c.TLS.CertFile) != 0
+	return (len(c.TLS.CertData) != 0 || len(c.TLS.CertFile) != 0) && (len(c.TLS.KeyData) != 0 || len(c.TLS.KeyFile) != 0)
+}
+
+// HasCertCallbacks returns whether the configuration has certificate callback or not.
+func (c *Config) HasCertCallback() bool {
+	return c.TLS.GetCert != nil
 }
 
 // TLSConfig holds the information needed to set up a TLS transport.
@@ -98,4 +105,6 @@ type TLSConfig struct {
 	CAData   []byte // Bytes of the PEM-encoded server trusted root certificates. Supercedes CAFile.
 	CertData []byte // Bytes of the PEM-encoded client certificate. Supercedes CertFile.
 	KeyData  []byte // Bytes of the PEM-encoded client key. Supercedes KeyFile.
+
+	GetCert func() (*tls.Certificate, error) // Callback that returns a TLS client certificate. CertData, CertFile, KeyData and KeyFile supercede this field.
 }

transport/transport.go

@@ -28,7 +28,7 @@ import (
 // or transport level security defined by the provided Config.
 func New(config *Config) (http.RoundTripper, error) {
 	// Set transport level security
-	if config.Transport != nil && (config.HasCA() || config.HasCertAuth() || config.TLS.Insecure) {
+	if config.Transport != nil && (config.HasCA() || config.HasCertAuth() || config.HasCertCallback() || config.TLS.Insecure) {
 		return nil, fmt.Errorf("using a custom transport with TLS certificate options or the insecure flag is not allowed")
 	}
 
@@ -52,7 +52,7 @@ func New(config *Config) (http.RoundTripper, error) {
 // TLSConfigFor returns a tls.Config that will provide the transport level security defined
 // by the provided Config. Will return nil if no transport level security is requested.
 func TLSConfigFor(c *Config) (*tls.Config, error) {
-	if !(c.HasCA() || c.HasCertAuth() || c.TLS.Insecure || len(c.TLS.ServerName) > 0) {
+	if !(c.HasCA() || c.HasCertAuth() || c.HasCertCallback() || c.TLS.Insecure || len(c.TLS.ServerName) > 0) {
 		return nil, nil
 	}
 	if c.HasCA() && c.TLS.Insecure {
@@ -75,12 +75,40 @@ func TLSConfigFor(c *Config) (*tls.Config, error) {
 		tlsConfig.RootCAs = rootCertPool(c.TLS.CAData)
 	}
 
+	var staticCert *tls.Certificate
 	if c.HasCertAuth() {
+		// If key/cert were provided, verify them before setting up
+		// tlsConfig.GetClientCertificate.
 		cert, err := tls.X509KeyPair(c.TLS.CertData, c.TLS.KeyData)
 		if err != nil {
 			return nil, err
 		}
-		tlsConfig.Certificates = []tls.Certificate{cert}
+		staticCert = &cert
+	}
+
+	if c.HasCertAuth() || c.HasCertCallback() {
+		tlsConfig.GetClientCertificate = func(*tls.CertificateRequestInfo) (*tls.Certificate, error) {
+			// Note: static key/cert data always take precedence over cert
+			// callback.
+			if staticCert != nil {
+				return staticCert, nil
+			}
+			if c.HasCertCallback() {
+				cert, err := c.TLS.GetCert()
+				if err != nil {
+					return nil, err
+				}
+				// GetCert may return empty value, meaning no cert.
+				if cert != nil {
+					return cert, nil
+				}
+			}
+
+			// Both c.TLS.CertData/KeyData were unset and GetCert didn't return
+			// anything. Return an empty tls.Certificate, no client cert will
+			// be sent to the server.
+			return &tls.Certificate{}, nil
+		}
 	}
 
 	return tlsConfig, nil

transport/transport_test.go

@@ -17,6 +17,8 @@ limitations under the License.
 package transport
 
 import (
+	"crypto/tls"
+	"errors"
 	"net/http"
 	"testing"
 )
@@ -94,6 +96,8 @@ func TestNew(t *testing.T) {
 		Config  *Config
 		Err     bool
 		TLS     bool
+		TLSCert bool
+		TLSErr  bool
 		Default bool
 	}{
 		"default transport": {
@@ -135,7 +139,8 @@ func TestNew(t *testing.T) {
 		},
 
 		"cert transport": {
-			TLS: true,
+			TLS:     true,
+			TLSCert: true,
 			Config: &Config{
 				TLS: TLSConfig{
 					CAData:   []byte(rootCACert),
@@ -165,7 +170,8 @@ func TestNew(t *testing.T) {
 			},
 		},
 		"key data overriding bad file cert transport": {
-			TLS: true,
+			TLS:     true,
+			TLSCert: true,
 			Config: &Config{
 				TLS: TLSConfig{
 					CAData:   []byte(rootCACert),
@@ -175,37 +181,108 @@ func TestNew(t *testing.T) {
 				},
 			},
 		},
+		"callback cert and key": {
+			TLS:     true,
+			TLSCert: true,
+			Config: &Config{
+				TLS: TLSConfig{
+					CAData: []byte(rootCACert),
+					GetCert: func() (*tls.Certificate, error) {
+						crt, err := tls.X509KeyPair([]byte(certData), []byte(keyData))
+						return &crt, err
+					},
+				},
+			},
+		},
+		"cert callback error": {
+			TLS:     true,
+			TLSCert: true,
+			TLSErr:  true,
+			Config: &Config{
+				TLS: TLSConfig{
+					CAData: []byte(rootCACert),
+					GetCert: func() (*tls.Certificate, error) {
+						return nil, errors.New("GetCert failure")
+					},
+				},
+			},
+		},
+		"cert data overrides empty callback result": {
+			TLS:     true,
+			TLSCert: true,
+			Config: &Config{
+				TLS: TLSConfig{
+					CAData: []byte(rootCACert),
+					GetCert: func() (*tls.Certificate, error) {
+						return nil, nil
+					},
+					CertData: []byte(certData),
+					KeyData:  []byte(keyData),
+				},
+			},
+		},
+		"callback returns nothing": {
+			TLS:     true,
+			TLSCert: true,
+			Config: &Config{
+				TLS: TLSConfig{
+					CAData: []byte(rootCACert),
+					GetCert: func() (*tls.Certificate, error) {
+						return nil, nil
+					},
+				},
+			},
+		},
 	}
 	for k, testCase := range testCases {
-		transport, err := New(testCase.Config)
-		switch {
-		case testCase.Err && err == nil:
-			t.Errorf("%s: unexpected non-error", k)
-			continue
-		case !testCase.Err && err != nil:
-			t.Errorf("%s: unexpected error: %v", k, err)
-			continue
-		}
+		t.Run(k, func(t *testing.T) {
+			rt, err := New(testCase.Config)
+			switch {
+			case testCase.Err && err == nil:
+				t.Fatal("unexpected non-error")
+			case !testCase.Err && err != nil:
+				t.Fatalf("unexpected error: %v", err)
+			}
+			if testCase.Err {
+				return
+			}
 
-		switch {
-		case testCase.Default && transport != http.DefaultTransport:
-			t.Errorf("%s: expected the default transport, got %#v", k, transport)
-			continue
-		case !testCase.Default && transport == http.DefaultTransport:
-			t.Errorf("%s: expected non-default transport, got %#v", k, transport)
-			continue
-		}
+			switch {
+			case testCase.Default && rt != http.DefaultTransport:
+				t.Fatalf("got %#v, expected the default transport", rt)
+			case !testCase.Default && rt == http.DefaultTransport:
+				t.Fatalf("got %#v, expected non-default transport", rt)
+			}
 
-		// We only know how to check TLSConfig on http.Transports
-		if transport, ok := transport.(*http.Transport); ok {
+			// We only know how to check TLSConfig on http.Transports
+			transport := rt.(*http.Transport)
 			switch {
 			case testCase.TLS && transport.TLSClientConfig == nil:
-				t.Errorf("%s: expected TLSClientConfig, got %#v", k, transport)
-				continue
+				t.Fatalf("got %#v, expected TLSClientConfig", transport)
 			case !testCase.TLS && transport.TLSClientConfig != nil:
-				t.Errorf("%s: expected no TLSClientConfig, got %#v", k, transport)
-				continue
+				t.Fatalf("got %#v, expected no TLSClientConfig", transport)
 			}
-		}
+			if !testCase.TLS {
+				return
+			}
+
+			switch {
+			case testCase.TLSCert && transport.TLSClientConfig.GetClientCertificate == nil:
+				t.Fatalf("got %#v, expected TLSClientConfig.GetClientCertificate", transport.TLSClientConfig)
+			case !testCase.TLSCert && transport.TLSClientConfig.GetClientCertificate != nil:
+				t.Fatalf("got %#v, expected no TLSClientConfig.GetClientCertificate", transport.TLSClientConfig)
+			}
+			if !testCase.TLSCert {
+				return
+			}
+
+			_, err = transport.TLSClientConfig.GetClientCertificate(nil)
+			switch {
+			case testCase.TLSErr && err == nil:
+				t.Error("got nil error from GetClientCertificate, expected non-nil")
+			case !testCase.TLSErr && err != nil:
+				t.Errorf("got error from GetClientCertificate: %q, expected nil", err)
+			}
+		})
 	}
 }

vendor/cloud.google.com/go/AUTHORS

@@ -1,15 +0,0 @@
-# This is the official list of cloud authors for copyright purposes.
-# This file is distinct from the CONTRIBUTORS files.
-# See the latter for an explanation.
-
-# Names should be added to this file as:
-# Name or Organization <email address>
-# The email address is not required for organizations.
-
-Filippo Valsorda <hi@filippo.io>
-Google Inc.
-Ingo Oeser <nightlyone@googlemail.com>
-Palm Stone Games, Inc.
-Paweł Knap <pawelknap88@gmail.com>
-Péter Szilágyi <peterke@gmail.com>
-Tyler Treat <ttreat31@gmail.com>

vendor/cloud.google.com/go/CONTRIBUTORS

@@ -1,34 +0,0 @@
-# People who have agreed to one of the CLAs and can contribute patches.
-# The AUTHORS file lists the copyright holders; this file
-# lists people.  For example, Google employees are listed here
-# but not in AUTHORS, because Google holds the copyright.
-#
-# https://developers.google.com/open-source/cla/individual
-# https://developers.google.com/open-source/cla/corporate
-#
-# Names should be added to this file as:
-#     Name <email address>
-
-# Keep the list alphabetically sorted.
-
-Andreas Litt <andreas.litt@gmail.com>
-Andrew Gerrand <adg@golang.org>
-Brad Fitzpatrick <bradfitz@golang.org>
-Burcu Dogan <jbd@google.com>
-Dave Day <djd@golang.org>
-David Sansome <me@davidsansome.com>
-David Symonds <dsymonds@golang.org>
-Filippo Valsorda <hi@filippo.io>
-Glenn Lewis <gmlewis@google.com>
-Ingo Oeser <nightlyone@googlemail.com>
-Johan Euphrosine <proppy@google.com>
-Jonathan Amsterdam <jba@google.com>
-Luna Duclos <luna.duclos@palmstonegames.com>
-Michael McGreevy <mcgreevy@golang.org>
-Omar Jarjur <ojarjur@google.com>
-Paweł Knap <pawelknap88@gmail.com>
-Péter Szilágyi <peterke@gmail.com>
-Sarah Adams <shadams@google.com>
-Toby Burress <kurin@google.com>
-Tuo Shan <shantuo@google.com>
-Tyler Treat <ttreat31@gmail.com>

vendor/cloud.google.com/go/LICENSE

@@ -1,202 +0,0 @@
-
-                                 Apache License
-                           Version 2.0, January 2004
-                        http://www.apache.org/licenses/
-
-   TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION
-
-   1. Definitions.
-
-      "License" shall mean the terms and conditions for use, reproduction,
-      and distribution as defined by Sections 1 through 9 of this document.
-
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-      the copyright owner that is granting the License.
-
-      "Legal Entity" shall mean the union of the acting entity and all
-      other entities that control, are controlled by, or are under common
-      control with that entity. For the purposes of this definition,
-      "control" means (i) the power, direct or indirect, to cause the
-      direction or management of such entity, whether by contract or
-      otherwise, or (ii) ownership of fifty percent (50%) or more of the
-      outstanding shares, or (iii) beneficial ownership of such entity.
-
-      "You" (or "Your") shall mean an individual or Legal Entity
-      exercising permissions granted by this License.
-
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-      including but not limited to software source code, documentation
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-          of the NOTICE file are for informational purposes only and
-          do not modify the License. You may add Your own attribution
-          notices within Derivative Works that You distribute, alongside
-          or as an addendum to the NOTICE text from the Work, provided
-          that such additional attribution notices cannot be construed
-          as modifying the License.
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-      You may add Your own copyright statement to Your modifications and
-      may provide additional or different license terms and conditions
-      for use, reproduction, or distribution of Your modifications, or
-      for any such Derivative Works as a whole, provided Your use,
-      reproduction, and distribution of the Work otherwise complies with
-      the conditions stated in this License.
-
-   5. Submission of Contributions. Unless You explicitly state otherwise,
-      any Contribution intentionally submitted for inclusion in the Work
-      by You to the Licensor shall be under the terms and conditions of
-      this License, without any additional terms or conditions.
-      Notwithstanding the above, nothing herein shall supersede or modify
-      the terms of any separate license agreement you may have executed
-      with Licensor regarding such Contributions.
-
-   6. Trademarks. This License does not grant permission to use the trade
-      names, trademarks, service marks, or product names of the Licensor,
-      except as required for reasonable and customary use in describing the
-      origin of the Work and reproducing the content of the NOTICE file.
-
-   7. Disclaimer of Warranty. Unless required by applicable law or
-      agreed to in writing, Licensor provides the Work (and each
-      Contributor provides its Contributions) on an "AS IS" BASIS,
-      WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
-      implied, including, without limitation, any warranties or conditions
-      of TITLE, NON-INFRINGEMENT, MERCHANTABILITY, or FITNESS FOR A
-      PARTICULAR PURPOSE. You are solely responsible for determining the
-      appropriateness of using or redistributing the Work and assume any
-      risks associated with Your exercise of permissions under this License.
-
-   8. Limitation of Liability. In no event and under no legal theory,
-      whether in tort (including negligence), contract, or otherwise,
-      unless required by applicable law (such as deliberate and grossly
-      negligent acts) or agreed to in writing, shall any Contributor be
-      liable to You for damages, including any direct, indirect, special,
-      incidental, or consequential damages of any character arising as a
-      result of this License or out of the use or inability to use the
-      Work (including but not limited to damages for loss of goodwill,
-      work stoppage, computer failure or malfunction, or any and all
-      other commercial damages or losses), even if such Contributor
-      has been advised of the possibility of such damages.
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-   9. Accepting Warranty or Additional Liability. While redistributing
-      the Work or Derivative Works thereof, You may choose to offer,
-      and charge a fee for, acceptance of support, warranty, indemnity,
-      or other liability obligations and/or rights consistent with this
-      License. However, in accepting such obligations, You may act only
-      on Your own behalf and on Your sole responsibility, not on behalf
-      of any other Contributor, and only if You agree to indemnify,
-      defend, and hold each Contributor harmless for any liability
-      incurred by, or claims asserted against, such Contributor by reason
-      of your accepting any such warranty or additional liability.
-
-   END OF TERMS AND CONDITIONS
-
-   APPENDIX: How to apply the Apache License to your work.
-
-      To apply the Apache License to your work, attach the following
-      boilerplate notice, with the fields enclosed by brackets "[]"
-      replaced with your own identifying information. (Don't include
-      the brackets!)  The text should be enclosed in the appropriate
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-      file or class name and description of purpose be included on the
-      same "printed page" as the copyright notice for easier
-      identification within third-party archives.
-
-   Copyright 2014 Google Inc.
-
-   Licensed under the Apache License, Version 2.0 (the "License");
-   you may not use this file except in compliance with the License.
-   You may obtain a copy of the License at
-
-       http://www.apache.org/licenses/LICENSE-2.0
-
-   Unless required by applicable law or agreed to in writing, software
-   distributed under the License is distributed on an "AS IS" BASIS,
-   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-   See the License for the specific language governing permissions and
-   limitations under the License.

vendor/cloud.google.com/go/compute/metadata/metadata.go

@@ -1,438 +0,0 @@
-// Copyright 2014 Google Inc. All Rights Reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-//      http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
-
-// Package metadata provides access to Google Compute Engine (GCE)
-// metadata and API service accounts.
-//
-// This package is a wrapper around the GCE metadata service,
-// as documented at https://developers.google.com/compute/docs/metadata.
-package metadata
-
-import (
-	"encoding/json"
-	"fmt"
-	"io/ioutil"
-	"net"
-	"net/http"
-	"net/url"
-	"os"
-	"runtime"
-	"strings"
-	"sync"
-	"time"
-
-	"golang.org/x/net/context"
-	"golang.org/x/net/context/ctxhttp"
-
-	"cloud.google.com/go/internal"
-)
-
-const (
-	// metadataIP is the documented metadata server IP address.
-	metadataIP = "169.254.169.254"
-
-	// metadataHostEnv is the environment variable specifying the
-	// GCE metadata hostname.  If empty, the default value of
-	// metadataIP ("169.254.169.254") is used instead.
-	// This is variable name is not defined by any spec, as far as
-	// I know; it was made up for the Go package.
-	metadataHostEnv = "GCE_METADATA_HOST"
-)
-
-type cachedValue struct {
-	k    string
-	trim bool
-	mu   sync.Mutex
-	v    string
-}
-
-var (
-	projID  = &cachedValue{k: "project/project-id", trim: true}
-	projNum = &cachedValue{k: "project/numeric-project-id", trim: true}
-	instID  = &cachedValue{k: "instance/id", trim: true}
-)
-
-var (
-	metaClient = &http.Client{
-		Transport: &internal.Transport{
-			Base: &http.Transport{
-				Dial: (&net.Dialer{
-					Timeout:   2 * time.Second,
-					KeepAlive: 30 * time.Second,
-				}).Dial,
-				ResponseHeaderTimeout: 2 * time.Second,
-			},
-		},
-	}
-	subscribeClient = &http.Client{
-		Transport: &internal.Transport{
-			Base: &http.Transport{
-				Dial: (&net.Dialer{
-					Timeout:   2 * time.Second,
-					KeepAlive: 30 * time.Second,
-				}).Dial,
-			},
-		},
-	}
-)
-
-// NotDefinedError is returned when requested metadata is not defined.
-//
-// The underlying string is the suffix after "/computeMetadata/v1/".
-//
-// This error is not returned if the value is defined to be the empty
-// string.
-type NotDefinedError string
-
-func (suffix NotDefinedError) Error() string {
-	return fmt.Sprintf("metadata: GCE metadata %q not defined", string(suffix))
-}
-
-// Get returns a value from the metadata service.
-// The suffix is appended to "http://${GCE_METADATA_HOST}/computeMetadata/v1/".
-//
-// If the GCE_METADATA_HOST environment variable is not defined, a default of
-// 169.254.169.254 will be used instead.
-//
-// If the requested metadata is not defined, the returned error will
-// be of type NotDefinedError.
-func Get(suffix string) (string, error) {
-	val, _, err := getETag(metaClient, suffix)
-	return val, err
-}
-
-// getETag returns a value from the metadata service as well as the associated
-// ETag using the provided client. This func is otherwise equivalent to Get.
-func getETag(client *http.Client, suffix string) (value, etag string, err error) {
-	// Using a fixed IP makes it very difficult to spoof the metadata service in
-	// a container, which is an important use-case for local testing of cloud
-	// deployments. To enable spoofing of the metadata service, the environment
-	// variable GCE_METADATA_HOST is first inspected to decide where metadata
-	// requests shall go.
-	host := os.Getenv(metadataHostEnv)
-	if host == "" {
-		// Using 169.254.169.254 instead of "metadata" here because Go
-		// binaries built with the "netgo" tag and without cgo won't
-		// know the search suffix for "metadata" is
-		// ".google.internal", and this IP address is documented as
-		// being stable anyway.
-		host = metadataIP
-	}
-	url := "http://" + host + "/computeMetadata/v1/" + suffix
-	req, _ := http.NewRequest("GET", url, nil)
-	req.Header.Set("Metadata-Flavor", "Google")
-	res, err := client.Do(req)
-	if err != nil {
-		return "", "", err
-	}
-	defer res.Body.Close()
-	if res.StatusCode == http.StatusNotFound {
-		return "", "", NotDefinedError(suffix)
-	}
-	if res.StatusCode != 200 {
-		return "", "", fmt.Errorf("status code %d trying to fetch %s", res.StatusCode, url)
-	}
-	all, err := ioutil.ReadAll(res.Body)
-	if err != nil {
-		return "", "", err
-	}
-	return string(all), res.Header.Get("Etag"), nil
-}
-
-func getTrimmed(suffix string) (s string, err error) {
-	s, err = Get(suffix)
-	s = strings.TrimSpace(s)
-	return
-}
-
-func (c *cachedValue) get() (v string, err error) {
-	defer c.mu.Unlock()
-	c.mu.Lock()
-	if c.v != "" {
-		return c.v, nil
-	}
-	if c.trim {
-		v, err = getTrimmed(c.k)
-	} else {
-		v, err = Get(c.k)
-	}
-	if err == nil {
-		c.v = v
-	}
-	return
-}
-
-var (
-	onGCEOnce sync.Once
-	onGCE     bool
-)
-
-// OnGCE reports whether this process is running on Google Compute Engine.
-func OnGCE() bool {
-	onGCEOnce.Do(initOnGCE)
-	return onGCE
-}
-
-func initOnGCE() {
-	onGCE = testOnGCE()
-}
-
-func testOnGCE() bool {
-	// The user explicitly said they're on GCE, so trust them.
-	if os.Getenv(metadataHostEnv) != "" {
-		return true
-	}
-
-	ctx, cancel := context.WithCancel(context.Background())
-	defer cancel()
-
-	resc := make(chan bool, 2)
-
-	// Try two strategies in parallel.
-	// See https://github.com/GoogleCloudPlatform/google-cloud-go/issues/194
-	go func() {
-		res, err := ctxhttp.Get(ctx, metaClient, "http://"+metadataIP)
-		if err != nil {
-			resc <- false
-			return
-		}
-		defer res.Body.Close()
-		resc <- res.Header.Get("Metadata-Flavor") == "Google"
-	}()
-
-	go func() {
-		addrs, err := net.LookupHost("metadata.google.internal")
-		if err != nil || len(addrs) == 0 {
-			resc <- false
-			return
-		}
-		resc <- strsContains(addrs, metadataIP)
-	}()
-
-	tryHarder := systemInfoSuggestsGCE()
-	if tryHarder {
-		res := <-resc
-		if res {
-			// The first strategy succeeded, so let's use it.
-			return true
-		}
-		// Wait for either the DNS or metadata server probe to
-		// contradict the other one and say we are running on
-		// GCE. Give it a lot of time to do so, since the system
-		// info already suggests we're running on a GCE BIOS.
-		timer := time.NewTimer(5 * time.Second)
-		defer timer.Stop()
-		select {
-		case res = <-resc:
-			return res
-		case <-timer.C:
-			// Too slow. Who knows what this system is.
-			return false
-		}
-	}
-
-	// There's no hint from the system info that we're running on
-	// GCE, so use the first probe's result as truth, whether it's
-	// true or false. The goal here is to optimize for speed for
-	// users who are NOT running on GCE. We can't assume that
-	// either a DNS lookup or an HTTP request to a blackholed IP
-	// address is fast. Worst case this should return when the
-	// metaClient's Transport.ResponseHeaderTimeout or
-	// Transport.Dial.Timeout fires (in two seconds).
-	return <-resc
-}
-
-// systemInfoSuggestsGCE reports whether the local system (without
-// doing network requests) suggests that we're running on GCE. If this
-// returns true, testOnGCE tries a bit harder to reach its metadata
-// server.
-func systemInfoSuggestsGCE() bool {
-	if runtime.GOOS != "linux" {
-		// We don't have any non-Linux clues available, at least yet.
-		return false
-	}
-	slurp, _ := ioutil.ReadFile("/sys/class/dmi/id/product_name")
-	name := strings.TrimSpace(string(slurp))
-	return name == "Google" || name == "Google Compute Engine"
-}
-
-// Subscribe subscribes to a value from the metadata service.
-// The suffix is appended to "http://${GCE_METADATA_HOST}/computeMetadata/v1/".
-// The suffix may contain query parameters.
-//
-// Subscribe calls fn with the latest metadata value indicated by the provided
-// suffix. If the metadata value is deleted, fn is called with the empty string
-// and ok false. Subscribe blocks until fn returns a non-nil error or the value
-// is deleted. Subscribe returns the error value returned from the last call to
-// fn, which may be nil when ok == false.
-func Subscribe(suffix string, fn func(v string, ok bool) error) error {
-	const failedSubscribeSleep = time.Second * 5
-
-	// First check to see if the metadata value exists at all.
-	val, lastETag, err := getETag(subscribeClient, suffix)
-	if err != nil {
-		return err
-	}
-
-	if err := fn(val, true); err != nil {
-		return err
-	}
-
-	ok := true
-	if strings.ContainsRune(suffix, '?') {
-		suffix += "&wait_for_change=true&last_etag="
-	} else {
-		suffix += "?wait_for_change=true&last_etag="
-	}
-	for {
-		val, etag, err := getETag(subscribeClient, suffix+url.QueryEscape(lastETag))
-		if err != nil {
-			if _, deleted := err.(NotDefinedError); !deleted {
-				time.Sleep(failedSubscribeSleep)
-				continue // Retry on other errors.
-			}
-			ok = false
-		}
-		lastETag = etag
-
-		if err := fn(val, ok); err != nil || !ok {
-			return err
-		}
-	}
-}
-
-// ProjectID returns the current instance's project ID string.
-func ProjectID() (string, error) { return projID.get() }
-
-// NumericProjectID returns the current instance's numeric project ID.
-func NumericProjectID() (string, error) { return projNum.get() }
-
-// InternalIP returns the instance's primary internal IP address.
-func InternalIP() (string, error) {
-	return getTrimmed("instance/network-interfaces/0/ip")
-}
-
-// ExternalIP returns the instance's primary external (public) IP address.
-func ExternalIP() (string, error) {
-	return getTrimmed("instance/network-interfaces/0/access-configs/0/external-ip")
-}
-
-// Hostname returns the instance's hostname. This will be of the form
-// "<instanceID>.c.<projID>.internal".
-func Hostname() (string, error) {
-	return getTrimmed("instance/hostname")
-}
-
-// InstanceTags returns the list of user-defined instance tags,
-// assigned when initially creating a GCE instance.
-func InstanceTags() ([]string, error) {
-	var s []string
-	j, err := Get("instance/tags")
-	if err != nil {
-		return nil, err
-	}
-	if err := json.NewDecoder(strings.NewReader(j)).Decode(&s); err != nil {
-		return nil, err
-	}
-	return s, nil
-}
-
-// InstanceID returns the current VM's numeric instance ID.
-func InstanceID() (string, error) {
-	return instID.get()
-}
-
-// InstanceName returns the current VM's instance ID string.
-func InstanceName() (string, error) {
-	host, err := Hostname()
-	if err != nil {
-		return "", err
-	}
-	return strings.Split(host, ".")[0], nil
-}
-
-// Zone returns the current VM's zone, such as "us-central1-b".
-func Zone() (string, error) {
-	zone, err := getTrimmed("instance/zone")
-	// zone is of the form "projects/<projNum>/zones/<zoneName>".
-	if err != nil {
-		return "", err
-	}
-	return zone[strings.LastIndex(zone, "/")+1:], nil
-}
-
-// InstanceAttributes returns the list of user-defined attributes,
-// assigned when initially creating a GCE VM instance. The value of an
-// attribute can be obtained with InstanceAttributeValue.
-func InstanceAttributes() ([]string, error) { return lines("instance/attributes/") }
-
-// ProjectAttributes returns the list of user-defined attributes
-// applying to the project as a whole, not just this VM.  The value of
-// an attribute can be obtained with ProjectAttributeValue.
-func ProjectAttributes() ([]string, error) { return lines("project/attributes/") }
-
-func lines(suffix string) ([]string, error) {
-	j, err := Get(suffix)
-	if err != nil {
-		return nil, err
-	}
-	s := strings.Split(strings.TrimSpace(j), "\n")
-	for i := range s {
-		s[i] = strings.TrimSpace(s[i])
-	}
-	return s, nil
-}
-
-// InstanceAttributeValue returns the value of the provided VM
-// instance attribute.
-//
-// If the requested attribute is not defined, the returned error will
-// be of type NotDefinedError.
-//
-// InstanceAttributeValue may return ("", nil) if the attribute was
-// defined to be the empty string.
-func InstanceAttributeValue(attr string) (string, error) {
-	return Get("instance/attributes/" + attr)
-}
-
-// ProjectAttributeValue returns the value of the provided
-// project attribute.
-//
-// If the requested attribute is not defined, the returned error will
-// be of type NotDefinedError.
-//
-// ProjectAttributeValue may return ("", nil) if the attribute was
-// defined to be the empty string.
-func ProjectAttributeValue(attr string) (string, error) {
-	return Get("project/attributes/" + attr)
-}
-
-// Scopes returns the service account scopes for the given account.
-// The account may be empty or the string "default" to use the instance's
-// main account.
-func Scopes(serviceAccount string) ([]string, error) {
-	if serviceAccount == "" {
-		serviceAccount = "default"
-	}
-	return lines("instance/service-accounts/" + serviceAccount + "/scopes")
-}
-
-func strsContains(ss []string, s string) bool {
-	for _, v := range ss {
-		if v == s {
-			return true
-		}
-	}
-	return false
-}

vendor/cloud.google.com/go/internal/cloud.go

@@ -1,64 +0,0 @@
-// Copyright 2014 Google Inc. All Rights Reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-//      http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
-
-// Package internal provides support for the cloud packages.
-//
-// Users should not import this package directly.
-package internal
-
-import (
-	"fmt"
-	"net/http"
-)
-
-const userAgent = "gcloud-golang/0.1"
-
-// Transport is an http.RoundTripper that appends Google Cloud client's
-// user-agent to the original request's user-agent header.
-type Transport struct {
-	// TODO(bradfitz): delete internal.Transport. It's too wrappy for what it does.
-	// Do User-Agent some other way.
-
-	// Base is the actual http.RoundTripper
-	// requests will use. It must not be nil.
-	Base http.RoundTripper
-}
-
-// RoundTrip appends a user-agent to the existing user-agent
-// header and delegates the request to the base http.RoundTripper.
-func (t *Transport) RoundTrip(req *http.Request) (*http.Response, error) {
-	req = cloneRequest(req)
-	ua := req.Header.Get("User-Agent")
-	if ua == "" {
-		ua = userAgent
-	} else {
-		ua = fmt.Sprintf("%s %s", ua, userAgent)
-	}
-	req.Header.Set("User-Agent", ua)
-	return t.Base.RoundTrip(req)
-}
-
-// cloneRequest returns a clone of the provided *http.Request.
-// The clone is a shallow copy of the struct and its Header map.
-func cloneRequest(r *http.Request) *http.Request {
-	// shallow copy of the struct
-	r2 := new(http.Request)
-	*r2 = *r
-	// deep copy of the Header
-	r2.Header = make(http.Header)
-	for k, s := range r.Header {
-		r2.Header[k] = s
-	}
-	return r2
-}

vendor/github.com/Azure/go-autorest/LICENSE

@@ -1,191 +0,0 @@
-
-                                 Apache License
-                           Version 2.0, January 2004
-                        http://www.apache.org/licenses/
-
-   TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION
-
-   1. Definitions.
-
-      "License" shall mean the terms and conditions for use, reproduction,
-      and distribution as defined by Sections 1 through 9 of this document.
-
-      "Licensor" shall mean the copyright owner or entity authorized by
-      the copyright owner that is granting the License.
-
-      "Legal Entity" shall mean the union of the acting entity and all
-      other entities that control, are controlled by, or are under common
-      control with that entity. For the purposes of this definition,
-      "control" means (i) the power, direct or indirect, to cause the
-      direction or management of such entity, whether by contract or
-      otherwise, or (ii) ownership of fifty percent (50%) or more of the
-      outstanding shares, or (iii) beneficial ownership of such entity.
-
-      "You" (or "Your") shall mean an individual or Legal Entity
-      exercising permissions granted by this License.
-
-      "Source" form shall mean the preferred form for making modifications,
-      including but not limited to software source code, documentation
-      source, and configuration files.
-
-      "Object" form shall mean any form resulting from mechanical
-      transformation or translation of a Source form, including but
-      not limited to compiled object code, generated documentation,
-      and conversions to other media types.
-
-      "Work" shall mean the work of authorship, whether in Source or
-      Object form, made available under the License, as indicated by a
-      copyright notice that is included in or attached to the work
-      (an example is provided in the Appendix below).
-
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-      form, that is based on (or derived from) the Work and for which the
-      editorial revisions, annotations, elaborations, or other modifications
-      represent, as a whole, an original work of authorship. For the purposes
-      of this License, Derivative Works shall not include works that remain
-      separable from, or merely link (or bind by name) to the interfaces of,
-      the Work and Derivative Works thereof.
-
-      "Contribution" shall mean any work of authorship, including
-      the original version of the Work and any modifications or additions
-      to that Work or Derivative Works thereof, that is intentionally
-      submitted to Licensor for inclusion in the Work by the copyright owner
-      or by an individual or Legal Entity authorized to submit on behalf of
-      the copyright owner. For the purposes of this definition, "submitted"
-      means any form of electronic, verbal, or written communication sent
-      to the Licensor or its representatives, including but not limited to
-      communication on electronic mailing lists, source code control systems,
-      and issue tracking systems that are managed by, or on behalf of, the
-      Licensor for the purpose of discussing and improving the Work, but
-      excluding communication that is conspicuously marked or otherwise
-      designated in writing by the copyright owner as "Not a Contribution."
-
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-      on behalf of whom a Contribution has been received by Licensor and
-      subsequently incorporated within the Work.
-
-   2. Grant of Copyright License. Subject to the terms and conditions of
-      this License, each Contributor hereby grants to You a perpetual,
-      worldwide, non-exclusive, no-charge, royalty-free, irrevocable
-      copyright license to reproduce, prepare Derivative Works of,
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-      Work and such Derivative Works in Source or Object form.
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-      where such license applies only to those patent claims licensable
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-      with the Work to which such Contribution(s) was submitted. If You
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-      cross-claim or counterclaim in a lawsuit) alleging that the Work
-      or a Contribution incorporated within the Work constitutes direct
-      or contributory patent infringement, then any patent licenses
-      granted to You under this License for that Work shall terminate
-      as of the date such litigation is filed.
-
-   4. Redistribution. You may reproduce and distribute copies of the
-      Work or Derivative Works thereof in any medium, with or without
-      modifications, and in Source or Object form, provided that You
-      meet the following conditions:
-
-      (a) You must give any other recipients of the Work or
-          Derivative Works a copy of this License; and
-
-      (b) You must cause any modified files to carry prominent notices
-          stating that You changed the files; and
-
-      (c) You must retain, in the Source form of any Derivative Works
-          that You distribute, all copyright, patent, trademark, and
-          attribution notices from the Source form of the Work,
-          excluding those notices that do not pertain to any part of
-          the Derivative Works; and
-
-      (d) If the Work includes a "NOTICE" text file as part of its
-          distribution, then any Derivative Works that You distribute must
-          include a readable copy of the attribution notices contained
-          within such NOTICE file, excluding those notices that do not
-          pertain to any part of the Derivative Works, in at least one
-          of the following places: within a NOTICE text file distributed
-          as part of the Derivative Works; within the Source form or
-          documentation, if provided along with the Derivative Works; or,
-          within a display generated by the Derivative Works, if and
-          wherever such third-party notices normally appear. The contents
-          of the NOTICE file are for informational purposes only and
-          do not modify the License. You may add Your own attribution
-          notices within Derivative Works that You distribute, alongside
-          or as an addendum to the NOTICE text from the Work, provided
-          that such additional attribution notices cannot be construed
-          as modifying the License.
-
-      You may add Your own copyright statement to Your modifications and
-      may provide additional or different license terms and conditions
-      for use, reproduction, or distribution of Your modifications, or
-      for any such Derivative Works as a whole, provided Your use,
-      reproduction, and distribution of the Work otherwise complies with
-      the conditions stated in this License.
-
-   5. Submission of Contributions. Unless You explicitly state otherwise,
-      any Contribution intentionally submitted for inclusion in the Work
-      by You to the Licensor shall be under the terms and conditions of
-      this License, without any additional terms or conditions.
-      Notwithstanding the above, nothing herein shall supersede or modify
-      the terms of any separate license agreement you may have executed
-      with Licensor regarding such Contributions.
-
-   6. Trademarks. This License does not grant permission to use the trade
-      names, trademarks, service marks, or product names of the Licensor,
-      except as required for reasonable and customary use in describing the
-      origin of the Work and reproducing the content of the NOTICE file.
-
-   7. Disclaimer of Warranty. Unless required by applicable law or
-      agreed to in writing, Licensor provides the Work (and each
-      Contributor provides its Contributions) on an "AS IS" BASIS,
-      WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
-      implied, including, without limitation, any warranties or conditions
-      of TITLE, NON-INFRINGEMENT, MERCHANTABILITY, or FITNESS FOR A
-      PARTICULAR PURPOSE. You are solely responsible for determining the
-      appropriateness of using or redistributing the Work and assume any
-      risks associated with Your exercise of permissions under this License.
-
-   8. Limitation of Liability. In no event and under no legal theory,
-      whether in tort (including negligence), contract, or otherwise,
-      unless required by applicable law (such as deliberate and grossly
-      negligent acts) or agreed to in writing, shall any Contributor be
-      liable to You for damages, including any direct, indirect, special,
-      incidental, or consequential damages of any character arising as a
-      result of this License or out of the use or inability to use the
-      Work (including but not limited to damages for loss of goodwill,
-      work stoppage, computer failure or malfunction, or any and all
-      other commercial damages or losses), even if such Contributor
-      has been advised of the possibility of such damages.
-
-   9. Accepting Warranty or Additional Liability. While redistributing
-      the Work or Derivative Works thereof, You may choose to offer,
-      and charge a fee for, acceptance of support, warranty, indemnity,
-      or other liability obligations and/or rights consistent with this
-      License. However, in accepting such obligations, You may act only
-      on Your own behalf and on Your sole responsibility, not on behalf
-      of any other Contributor, and only if You agree to indemnify,
-      defend, and hold each Contributor harmless for any liability
-      incurred by, or claims asserted against, such Contributor by reason
-      of your accepting any such warranty or additional liability.
-
-   END OF TERMS AND CONDITIONS
-
-   Copyright 2015 Microsoft Corporation
-
-   Licensed under the Apache License, Version 2.0 (the "License");
-   you may not use this file except in compliance with the License.
-   You may obtain a copy of the License at
-
-       http://www.apache.org/licenses/LICENSE-2.0
-
-   Unless required by applicable law or agreed to in writing, software
-   distributed under the License is distributed on an "AS IS" BASIS,
-   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-   See the License for the specific language governing permissions and
-   limitations under the License.

vendor/github.com/Azure/go-autorest/autorest/adal/README.md

@@ -1,292 +0,0 @@
-# Azure Active Directory authentication for Go
-
-This is a standalone package for authenticating with Azure Active
-Directory from other Go libraries and applications, in particular the [Azure SDK
-for Go](https://github.com/Azure/azure-sdk-for-go).
-
-Note: Despite the package's name it is not related to other "ADAL" libraries
-maintained in the [github.com/AzureAD](https://github.com/AzureAD) org. Issues
-should be opened in [this repo's](https://github.com/Azure/go-autorest/issues)
-or [the SDK's](https://github.com/Azure/azure-sdk-for-go/issues) issue
-trackers.
-
-## Install
-
-```bash
-go get -u github.com/Azure/go-autorest/autorest/adal
-```
-
-## Usage
-
-An Active Directory application is required in order to use this library. An application can be registered in the [Azure Portal](https://portal.azure.com/) by following these [guidelines](https://docs.microsoft.com/en-us/azure/active-directory/develop/active-directory-integrating-applications) or using the [Azure CLI](https://github.com/Azure/azure-cli).
-
-### Register an Azure AD Application with secret
-
-
-1. Register a new application with a `secret` credential
-
-   ```
-   az ad app create \
-      --display-name example-app \
-      --homepage https://example-app/home \
-      --identifier-uris https://example-app/app \
-      --password secret
-   ```
-
-2. Create a service principal using the `Application ID` from previous step
-
-   ```
-   az ad sp create --id "Application ID"
-   ```
-
-   * Replace `Application ID` with `appId` from step 1.
-
-### Register an Azure AD Application with certificate
-
-1. Create a private key
-
-   ```
-   openssl genrsa -out "example-app.key" 2048
-   ```
-
-2. Create the certificate
-
-   ```
-   openssl req -new -key "example-app.key" -subj "/CN=example-app" -out "example-app.csr"
-   openssl x509 -req -in "example-app.csr" -signkey "example-app.key" -out "example-app.crt" -days 10000
-   ```
-
-3. Create the PKCS12 version of the certificate containing also the private key
-
-   ```
-   openssl pkcs12 -export -out "example-app.pfx" -inkey "example-app.key" -in "example-app.crt" -passout pass:
-
-   ```
-
-4. Register a new application with the certificate content form `example-app.crt`
-
-   ```
-   certificateContents="$(tail -n+2 "example-app.crt" | head -n-1)"
-
-   az ad app create \
-      --display-name example-app \
-      --homepage https://example-app/home \
-      --identifier-uris https://example-app/app \
-      --key-usage Verify --end-date 2018-01-01 \
-      --key-value "${certificateContents}"
-   ```
-
-5. Create a service principal using the `Application ID` from previous step
-
-   ```
-   az ad sp create --id "APPLICATION_ID"
-   ```
-
-   * Replace `APPLICATION_ID` with `appId` from step 4.
-
-
-### Grant the necessary permissions
-
-Azure relies on a Role-Based Access Control (RBAC) model to manage the access to resources at a fine-grained
-level. There is a set of [pre-defined roles](https://docs.microsoft.com/en-us/azure/active-directory/role-based-access-built-in-roles)
-which can be assigned to a service principal of an Azure AD application depending of your needs.
-
-```
-az role assignment create --assigner "SERVICE_PRINCIPAL_ID" --role "ROLE_NAME"
-```
-
-* Replace the `SERVICE_PRINCIPAL_ID` with the `appId` from previous step.
-* Replace the `ROLE_NAME` with a role name of your choice.
-
-It is also possible to define custom role definitions.
-
-```
-az role definition create --role-definition role-definition.json
-```
-
-* Check [custom roles](https://docs.microsoft.com/en-us/azure/active-directory/role-based-access-control-custom-roles) for more details regarding the content of `role-definition.json` file.
-
-
-### Acquire Access Token
-
-The common configuration used by all flows:
-
-```Go
-const activeDirectoryEndpoint = "https://login.microsoftonline.com/"
-tenantID := "TENANT_ID"
-oauthConfig, err := adal.NewOAuthConfig(activeDirectoryEndpoint, tenantID)
-
-applicationID := "APPLICATION_ID"
-
-callback := func(token adal.Token) error {
-    // This is called after the token is acquired
-}
-
-// The resource for which the token is acquired
-resource := "https://management.core.windows.net/"
-```
-
-* Replace the `TENANT_ID` with your tenant ID.
-* Replace the `APPLICATION_ID` with the value from previous section.
-
-#### Client Credentials
-
-```Go
-applicationSecret := "APPLICATION_SECRET"
-
-spt, err := adal.NewServicePrincipalToken(
-	oauthConfig,
-	appliationID,
-	applicationSecret,
-	resource,
-	callbacks...)
-if err != nil {
-	return nil, err
-}
-
-// Acquire a new access token
-err  = spt.Refresh()
-if (err == nil) {
-    token := spt.Token
-}
-```
-
-* Replace the `APPLICATION_SECRET` with the `password` value from previous section.
-
-#### Client Certificate
-
-```Go
-certificatePath := "./example-app.pfx"
-
-certData, err := ioutil.ReadFile(certificatePath)
-if err != nil {
-	return nil, fmt.Errorf("failed to read the certificate file (%s): %v", certificatePath, err)
-}
-
-// Get the certificate and private key from pfx file
-certificate, rsaPrivateKey, err := decodePkcs12(certData, "")
-if err != nil {
-	return nil, fmt.Errorf("failed to decode pkcs12 certificate while creating spt: %v", err)
-}
-
-spt, err := adal.NewServicePrincipalTokenFromCertificate(
-	oauthConfig,
-	applicationID,
-	certificate,
-	rsaPrivateKey,
-	resource,
-	callbacks...)
-
-// Acquire a new access token
-err  = spt.Refresh()
-if (err == nil) {
-    token := spt.Token
-}
-```
-
-* Update the certificate path to point to the example-app.pfx file which was created in previous section.
-
-
-#### Device Code
-
-```Go
-oauthClient := &http.Client{}
-
-// Acquire the device code
-deviceCode, err := adal.InitiateDeviceAuth(
-	oauthClient,
-	oauthConfig,
-	applicationID,
-	resource)
-if err != nil {
-	return nil, fmt.Errorf("Failed to start device auth flow: %s", err)
-}
-
-// Display the authentication message
-fmt.Println(*deviceCode.Message)
-
-// Wait here until the user is authenticated
-token, err := adal.WaitForUserCompletion(oauthClient, deviceCode)
-if err != nil {
-	return nil, fmt.Errorf("Failed to finish device auth flow: %s", err)
-}
-
-spt, err := adal.NewServicePrincipalTokenFromManualToken(
-	oauthConfig,
-	applicationID,
-	resource,
-	*token,
-	callbacks...)
-
-if (err == nil) {
-    token := spt.Token
-}
-```
-
-#### Username password authenticate
-
-```Go
-spt, err := adal.NewServicePrincipalTokenFromUsernamePassword(
-	oauthConfig,
-	applicationID,
-	username,
-	password,
-	resource,
-	callbacks...)
-
-if (err == nil) {
-    token := spt.Token
-}
-```
-
-#### Authorization code authenticate
-
-``` Go
-spt, err := adal.NewServicePrincipalTokenFromAuthorizationCode(
-	oauthConfig,
-	applicationID,
-	clientSecret,
-      authorizationCode,
-      redirectURI,
-	resource,
-	callbacks...)
-
-err  = spt.Refresh()
-if (err == nil) {
-    token := spt.Token
-}
-```
-
-### Command Line Tool
-
-A command line tool is available in `cmd/adal.go` that can acquire a token for a given resource. It supports all flows mentioned above.
-
-```
-adal -h
-
-Usage of ./adal:
-  -applicationId string
-        application id
-  -certificatePath string
-        path to pk12/PFC application certificate
-  -mode string
-        authentication mode (device, secret, cert, refresh) (default "device")
-  -resource string
-        resource for which the token is requested
-  -secret string
-        application secret
-  -tenantId string
-        tenant id
-  -tokenCachePath string
-        location of oath token cache (default "/home/cgc/.adal/accessToken.json")
-```
-
-Example acquire a token for `https://management.core.windows.net/` using device code flow:
-
-```
-adal -mode device \
-    -applicationId "APPLICATION_ID" \
-    -tenantId "TENANT_ID" \
-    -resource https://management.core.windows.net/
-
-```

vendor/github.com/Azure/go-autorest/autorest/adal/config.go

@@ -1,81 +0,0 @@
-package adal
-
-// Copyright 2017 Microsoft Corporation
-//
-//  Licensed under the Apache License, Version 2.0 (the "License");
-//  you may not use this file except in compliance with the License.
-//  You may obtain a copy of the License at
-//
-//      http://www.apache.org/licenses/LICENSE-2.0
-//
-//  Unless required by applicable law or agreed to in writing, software
-//  distributed under the License is distributed on an "AS IS" BASIS,
-//  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-//  See the License for the specific language governing permissions and
-//  limitations under the License.
-
-import (
-	"fmt"
-	"net/url"
-)
-
-const (
-	activeDirectoryAPIVersion = "1.0"
-)
-
-// OAuthConfig represents the endpoints needed
-// in OAuth operations
-type OAuthConfig struct {
-	AuthorityEndpoint  url.URL
-	AuthorizeEndpoint  url.URL
-	TokenEndpoint      url.URL
-	DeviceCodeEndpoint url.URL
-}
-
-// IsZero returns true if the OAuthConfig object is zero-initialized.
-func (oac OAuthConfig) IsZero() bool {
-	return oac == OAuthConfig{}
-}
-
-func validateStringParam(param, name string) error {
-	if len(param) == 0 {
-		return fmt.Errorf("parameter '" + name + "' cannot be empty")
-	}
-	return nil
-}
-
-// NewOAuthConfig returns an OAuthConfig with tenant specific urls
-func NewOAuthConfig(activeDirectoryEndpoint, tenantID string) (*OAuthConfig, error) {
-	if err := validateStringParam(activeDirectoryEndpoint, "activeDirectoryEndpoint"); err != nil {
-		return nil, err
-	}
-	// it's legal for tenantID to be empty so don't validate it
-	const activeDirectoryEndpointTemplate = "%s/oauth2/%s?api-version=%s"
-	u, err := url.Parse(activeDirectoryEndpoint)
-	if err != nil {
-		return nil, err
-	}
-	authorityURL, err := u.Parse(tenantID)
-	if err != nil {
-		return nil, err
-	}
-	authorizeURL, err := u.Parse(fmt.Sprintf(activeDirectoryEndpointTemplate, tenantID, "authorize", activeDirectoryAPIVersion))
-	if err != nil {
-		return nil, err
-	}
-	tokenURL, err := u.Parse(fmt.Sprintf(activeDirectoryEndpointTemplate, tenantID, "token", activeDirectoryAPIVersion))
-	if err != nil {
-		return nil, err
-	}
-	deviceCodeURL, err := u.Parse(fmt.Sprintf(activeDirectoryEndpointTemplate, tenantID, "devicecode", activeDirectoryAPIVersion))
-	if err != nil {
-		return nil, err
-	}
-
-	return &OAuthConfig{
-		AuthorityEndpoint:  *authorityURL,
-		AuthorizeEndpoint:  *authorizeURL,
-		TokenEndpoint:      *tokenURL,
-		DeviceCodeEndpoint: *deviceCodeURL,
-	}, nil
-}

vendor/github.com/Azure/go-autorest/autorest/adal/devicetoken.go

@@ -1,242 +0,0 @@
-package adal
-
-// Copyright 2017 Microsoft Corporation
-//
-//  Licensed under the Apache License, Version 2.0 (the "License");
-//  you may not use this file except in compliance with the License.
-//  You may obtain a copy of the License at
-//
-//      http://www.apache.org/licenses/LICENSE-2.0
-//
-//  Unless required by applicable law or agreed to in writing, software
-//  distributed under the License is distributed on an "AS IS" BASIS,
-//  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-//  See the License for the specific language governing permissions and
-//  limitations under the License.
-
-/*
-  This file is largely based on rjw57/oauth2device's code, with the follow differences:
-   * scope -> resource, and only allow a single one
-   * receive "Message" in the DeviceCode struct and show it to users as the prompt
-   * azure-xplat-cli has the following behavior that this emulates:
-     - does not send client_secret during the token exchange
-     - sends resource again in the token exchange request
-*/
-
-import (
-	"encoding/json"
-	"fmt"
-	"io/ioutil"
-	"net/http"
-	"net/url"
-	"strings"
-	"time"
-)
-
-const (
-	logPrefix = "autorest/adal/devicetoken:"
-)
-
-var (
-	// ErrDeviceGeneric represents an unknown error from the token endpoint when using device flow
-	ErrDeviceGeneric = fmt.Errorf("%s Error while retrieving OAuth token: Unknown Error", logPrefix)
-
-	// ErrDeviceAccessDenied represents an access denied error from the token endpoint when using device flow
-	ErrDeviceAccessDenied = fmt.Errorf("%s Error while retrieving OAuth token: Access Denied", logPrefix)
-
-	// ErrDeviceAuthorizationPending represents the server waiting on the user to complete the device flow
-	ErrDeviceAuthorizationPending = fmt.Errorf("%s Error while retrieving OAuth token: Authorization Pending", logPrefix)
-
-	// ErrDeviceCodeExpired represents the server timing out and expiring the code during device flow
-	ErrDeviceCodeExpired = fmt.Errorf("%s Error while retrieving OAuth token: Code Expired", logPrefix)
-
-	// ErrDeviceSlowDown represents the service telling us we're polling too often during device flow
-	ErrDeviceSlowDown = fmt.Errorf("%s Error while retrieving OAuth token: Slow Down", logPrefix)
-
-	// ErrDeviceCodeEmpty represents an empty device code from the device endpoint while using device flow
-	ErrDeviceCodeEmpty = fmt.Errorf("%s Error while retrieving device code: Device Code Empty", logPrefix)
-
-	// ErrOAuthTokenEmpty represents an empty OAuth token from the token endpoint when using device flow
-	ErrOAuthTokenEmpty = fmt.Errorf("%s Error while retrieving OAuth token: Token Empty", logPrefix)
-
-	errCodeSendingFails   = "Error occurred while sending request for Device Authorization Code"
-	errCodeHandlingFails  = "Error occurred while handling response from the Device Endpoint"
-	errTokenSendingFails  = "Error occurred while sending request with device code for a token"
-	errTokenHandlingFails = "Error occurred while handling response from the Token Endpoint (during device flow)"
-	errStatusNotOK        = "Error HTTP status != 200"
-)
-
-// DeviceCode is the object returned by the device auth endpoint
-// It contains information to instruct the user to complete the auth flow
-type DeviceCode struct {
-	DeviceCode      *string `json:"device_code,omitempty"`
-	UserCode        *string `json:"user_code,omitempty"`
-	VerificationURL *string `json:"verification_url,omitempty"`
-	ExpiresIn       *int64  `json:"expires_in,string,omitempty"`
-	Interval        *int64  `json:"interval,string,omitempty"`
-
-	Message     *string `json:"message"` // Azure specific
-	Resource    string  // store the following, stored when initiating, used when exchanging
-	OAuthConfig OAuthConfig
-	ClientID    string
-}
-
-// TokenError is the object returned by the token exchange endpoint
-// when something is amiss
-type TokenError struct {
-	Error            *string `json:"error,omitempty"`
-	ErrorCodes       []int   `json:"error_codes,omitempty"`
-	ErrorDescription *string `json:"error_description,omitempty"`
-	Timestamp        *string `json:"timestamp,omitempty"`
-	TraceID          *string `json:"trace_id,omitempty"`
-}
-
-// DeviceToken is the object return by the token exchange endpoint
-// It can either look like a Token or an ErrorToken, so put both here
-// and check for presence of "Error" to know if we are in error state
-type deviceToken struct {
-	Token
-	TokenError
-}
-
-// InitiateDeviceAuth initiates a device auth flow. It returns a DeviceCode
-// that can be used with CheckForUserCompletion or WaitForUserCompletion.
-func InitiateDeviceAuth(sender Sender, oauthConfig OAuthConfig, clientID, resource string) (*DeviceCode, error) {
-	v := url.Values{
-		"client_id": []string{clientID},
-		"resource":  []string{resource},
-	}
-
-	s := v.Encode()
-	body := ioutil.NopCloser(strings.NewReader(s))
-
-	req, err := http.NewRequest(http.MethodPost, oauthConfig.DeviceCodeEndpoint.String(), body)
-	if err != nil {
-		return nil, fmt.Errorf("%s %s: %s", logPrefix, errCodeSendingFails, err.Error())
-	}
-
-	req.ContentLength = int64(len(s))
-	req.Header.Set(contentType, mimeTypeFormPost)
-	resp, err := sender.Do(req)
-	if err != nil {
-		return nil, fmt.Errorf("%s %s: %s", logPrefix, errCodeSendingFails, err.Error())
-	}
-	defer resp.Body.Close()
-
-	rb, err := ioutil.ReadAll(resp.Body)
-	if err != nil {
-		return nil, fmt.Errorf("%s %s: %s", logPrefix, errCodeHandlingFails, err.Error())
-	}
-
-	if resp.StatusCode != http.StatusOK {
-		return nil, fmt.Errorf("%s %s: %s", logPrefix, errCodeHandlingFails, errStatusNotOK)
-	}
-
-	if len(strings.Trim(string(rb), " ")) == 0 {
-		return nil, ErrDeviceCodeEmpty
-	}
-
-	var code DeviceCode
-	err = json.Unmarshal(rb, &code)
-	if err != nil {
-		return nil, fmt.Errorf("%s %s: %s", logPrefix, errCodeHandlingFails, err.Error())
-	}
-
-	code.ClientID = clientID
-	code.Resource = resource
-	code.OAuthConfig = oauthConfig
-
-	return &code, nil
-}
-
-// CheckForUserCompletion takes a DeviceCode and checks with the Azure AD OAuth endpoint
-// to see if the device flow has: been completed, timed out, or otherwise failed
-func CheckForUserCompletion(sender Sender, code *DeviceCode) (*Token, error) {
-	v := url.Values{
-		"client_id":  []string{code.ClientID},
-		"code":       []string{*code.DeviceCode},
-		"grant_type": []string{OAuthGrantTypeDeviceCode},
-		"resource":   []string{code.Resource},
-	}
-
-	s := v.Encode()
-	body := ioutil.NopCloser(strings.NewReader(s))
-
-	req, err := http.NewRequest(http.MethodPost, code.OAuthConfig.TokenEndpoint.String(), body)
-	if err != nil {
-		return nil, fmt.Errorf("%s %s: %s", logPrefix, errTokenSendingFails, err.Error())
-	}
-
-	req.ContentLength = int64(len(s))
-	req.Header.Set(contentType, mimeTypeFormPost)
-	resp, err := sender.Do(req)
-	if err != nil {
-		return nil, fmt.Errorf("%s %s: %s", logPrefix, errTokenSendingFails, err.Error())
-	}
-	defer resp.Body.Close()
-
-	rb, err := ioutil.ReadAll(resp.Body)
-	if err != nil {
-		return nil, fmt.Errorf("%s %s: %s", logPrefix, errTokenHandlingFails, err.Error())
-	}
-
-	if resp.StatusCode != http.StatusOK && len(strings.Trim(string(rb), " ")) == 0 {
-		return nil, fmt.Errorf("%s %s: %s", logPrefix, errTokenHandlingFails, errStatusNotOK)
-	}
-	if len(strings.Trim(string(rb), " ")) == 0 {
-		return nil, ErrOAuthTokenEmpty
-	}
-
-	var token deviceToken
-	err = json.Unmarshal(rb, &token)
-	if err != nil {
-		return nil, fmt.Errorf("%s %s: %s", logPrefix, errTokenHandlingFails, err.Error())
-	}
-
-	if token.Error == nil {
-		return &token.Token, nil
-	}
-
-	switch *token.Error {
-	case "authorization_pending":
-		return nil, ErrDeviceAuthorizationPending
-	case "slow_down":
-		return nil, ErrDeviceSlowDown
-	case "access_denied":
-		return nil, ErrDeviceAccessDenied
-	case "code_expired":
-		return nil, ErrDeviceCodeExpired
-	default:
-		return nil, ErrDeviceGeneric
-	}
-}
-
-// WaitForUserCompletion calls CheckForUserCompletion repeatedly until a token is granted or an error state occurs.
-// This prevents the user from looping and checking against 'ErrDeviceAuthorizationPending'.
-func WaitForUserCompletion(sender Sender, code *DeviceCode) (*Token, error) {
-	intervalDuration := time.Duration(*code.Interval) * time.Second
-	waitDuration := intervalDuration
-
-	for {
-		token, err := CheckForUserCompletion(sender, code)
-
-		if err == nil {
-			return token, nil
-		}
-
-		switch err {
-		case ErrDeviceSlowDown:
-			waitDuration += waitDuration
-		case ErrDeviceAuthorizationPending:
-			// noop
-		default: // everything else is "fatal" to us
-			return nil, err
-		}
-
-		if waitDuration > (intervalDuration * 3) {
-			return nil, fmt.Errorf("%s Error waiting for user to complete device flow. Server told us to slow_down too much", logPrefix)
-		}
-
-		time.Sleep(waitDuration)
-	}
-}

vendor/github.com/Azure/go-autorest/autorest/adal/persist.go

@@ -1,73 +0,0 @@
-package adal
-
-// Copyright 2017 Microsoft Corporation
-//
-//  Licensed under the Apache License, Version 2.0 (the "License");
-//  you may not use this file except in compliance with the License.
-//  You may obtain a copy of the License at
-//
-//      http://www.apache.org/licenses/LICENSE-2.0
-//
-//  Unless required by applicable law or agreed to in writing, software
-//  distributed under the License is distributed on an "AS IS" BASIS,
-//  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-//  See the License for the specific language governing permissions and
-//  limitations under the License.
-
-import (
-	"encoding/json"
-	"fmt"
-	"io/ioutil"
-	"os"
-	"path/filepath"
-)
-
-// LoadToken restores a Token object from a file located at 'path'.
-func LoadToken(path string) (*Token, error) {
-	file, err := os.Open(path)
-	if err != nil {
-		return nil, fmt.Errorf("failed to open file (%s) while loading token: %v", path, err)
-	}
-	defer file.Close()
-
-	var token Token
-
-	dec := json.NewDecoder(file)
-	if err = dec.Decode(&token); err != nil {
-		return nil, fmt.Errorf("failed to decode contents of file (%s) into Token representation: %v", path, err)
-	}
-	return &token, nil
-}
-
-// SaveToken persists an oauth token at the given location on disk.
-// It moves the new file into place so it can safely be used to replace an existing file
-// that maybe accessed by multiple processes.
-func SaveToken(path string, mode os.FileMode, token Token) error {
-	dir := filepath.Dir(path)
-	err := os.MkdirAll(dir, os.ModePerm)
-	if err != nil {
-		return fmt.Errorf("failed to create directory (%s) to store token in: %v", dir, err)
-	}
-
-	newFile, err := ioutil.TempFile(dir, "token")
-	if err != nil {
-		return fmt.Errorf("failed to create the temp file to write the token: %v", err)
-	}
-	tempPath := newFile.Name()
-
-	if err := json.NewEncoder(newFile).Encode(token); err != nil {
-		return fmt.Errorf("failed to encode token to file (%s) while saving token: %v", tempPath, err)
-	}
-	if err := newFile.Close(); err != nil {
-		return fmt.Errorf("failed to close temp file %s: %v", tempPath, err)
-	}
-
-	// Atomic replace to avoid multi-writer file corruptions
-	if err := os.Rename(tempPath, path); err != nil {
-		return fmt.Errorf("failed to move temporary token to desired output location. src=%s dst=%s: %v", tempPath, path, err)
-	}
-	if err := os.Chmod(path, mode); err != nil {
-		return fmt.Errorf("failed to chmod the token file %s: %v", path, err)
-	}
-	return nil
-}

vendor/github.com/Azure/go-autorest/autorest/adal/sender.go

@@ -1,60 +0,0 @@
-package adal
-
-// Copyright 2017 Microsoft Corporation
-//
-//  Licensed under the Apache License, Version 2.0 (the "License");
-//  you may not use this file except in compliance with the License.
-//  You may obtain a copy of the License at
-//
-//      http://www.apache.org/licenses/LICENSE-2.0
-//
-//  Unless required by applicable law or agreed to in writing, software
-//  distributed under the License is distributed on an "AS IS" BASIS,
-//  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-//  See the License for the specific language governing permissions and
-//  limitations under the License.
-
-import (
-	"net/http"
-)
-
-const (
-	contentType      = "Content-Type"
-	mimeTypeFormPost = "application/x-www-form-urlencoded"
-)
-
-// Sender is the interface that wraps the Do method to send HTTP requests.
-//
-// The standard http.Client conforms to this interface.
-type Sender interface {
-	Do(*http.Request) (*http.Response, error)
-}
-
-// SenderFunc is a method that implements the Sender interface.
-type SenderFunc func(*http.Request) (*http.Response, error)
-
-// Do implements the Sender interface on SenderFunc.
-func (sf SenderFunc) Do(r *http.Request) (*http.Response, error) {
-	return sf(r)
-}
-
-// SendDecorator takes and possibily decorates, by wrapping, a Sender. Decorators may affect the
-// http.Request and pass it along or, first, pass the http.Request along then react to the
-// http.Response result.
-type SendDecorator func(Sender) Sender
-
-// CreateSender creates, decorates, and returns, as a Sender, the default http.Client.
-func CreateSender(decorators ...SendDecorator) Sender {
-	return DecorateSender(&http.Client{}, decorators...)
-}
-
-// DecorateSender accepts a Sender and a, possibly empty, set of SendDecorators, which is applies to
-// the Sender. Decorators are applied in the order received, but their affect upon the request
-// depends on whether they are a pre-decorator (change the http.Request and then pass it along) or a
-// post-decorator (pass the http.Request along and react to the results in http.Response).
-func DecorateSender(s Sender, decorators ...SendDecorator) Sender {
-	for _, decorate := range decorators {
-		s = decorate(s)
-	}
-	return s
-}

vendor/github.com/Azure/go-autorest/autorest/adal/token.go

@@ -1,762 +0,0 @@
-package adal
-
-// Copyright 2017 Microsoft Corporation
-//
-//  Licensed under the Apache License, Version 2.0 (the "License");
-//  you may not use this file except in compliance with the License.
-//  You may obtain a copy of the License at
-//
-//      http://www.apache.org/licenses/LICENSE-2.0
-//
-//  Unless required by applicable law or agreed to in writing, software
-//  distributed under the License is distributed on an "AS IS" BASIS,
-//  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-//  See the License for the specific language governing permissions and
-//  limitations under the License.
-
-import (
-	"crypto/rand"
-	"crypto/rsa"
-	"crypto/sha1"
-	"crypto/x509"
-	"encoding/base64"
-	"encoding/json"
-	"fmt"
-	"io/ioutil"
-	"net/http"
-	"net/url"
-	"strconv"
-	"strings"
-	"sync"
-	"time"
-
-	"github.com/Azure/go-autorest/autorest/date"
-	"github.com/dgrijalva/jwt-go"
-)
-
-const (
-	defaultRefresh = 5 * time.Minute
-
-	// OAuthGrantTypeDeviceCode is the "grant_type" identifier used in device flow
-	OAuthGrantTypeDeviceCode = "device_code"
-
-	// OAuthGrantTypeClientCredentials is the "grant_type" identifier used in credential flows
-	OAuthGrantTypeClientCredentials = "client_credentials"
-
-	// OAuthGrantTypeUserPass is the "grant_type" identifier used in username and password auth flows
-	OAuthGrantTypeUserPass = "password"
-
-	// OAuthGrantTypeRefreshToken is the "grant_type" identifier used in refresh token flows
-	OAuthGrantTypeRefreshToken = "refresh_token"
-
-	// OAuthGrantTypeAuthorizationCode is the "grant_type" identifier used in authorization code flows
-	OAuthGrantTypeAuthorizationCode = "authorization_code"
-
-	// metadataHeader is the header required by MSI extension
-	metadataHeader = "Metadata"
-
-	// msiEndpoint is the well known endpoint for getting MSI authentications tokens
-	msiEndpoint = "http://169.254.169.254/metadata/identity/oauth2/token"
-)
-
-// OAuthTokenProvider is an interface which should be implemented by an access token retriever
-type OAuthTokenProvider interface {
-	OAuthToken() string
-}
-
-// TokenRefreshError is an interface used by errors returned during token refresh.
-type TokenRefreshError interface {
-	error
-	Response() *http.Response
-}
-
-// Refresher is an interface for token refresh functionality
-type Refresher interface {
-	Refresh() error
-	RefreshExchange(resource string) error
-	EnsureFresh() error
-}
-
-// TokenRefreshCallback is the type representing callbacks that will be called after
-// a successful token refresh
-type TokenRefreshCallback func(Token) error
-
-// Token encapsulates the access token used to authorize Azure requests.
-type Token struct {
-	AccessToken  string `json:"access_token"`
-	RefreshToken string `json:"refresh_token"`
-
-	ExpiresIn string `json:"expires_in"`
-	ExpiresOn string `json:"expires_on"`
-	NotBefore string `json:"not_before"`
-
-	Resource string `json:"resource"`
-	Type     string `json:"token_type"`
-}
-
-// IsZero returns true if the token object is zero-initialized.
-func (t Token) IsZero() bool {
-	return t == Token{}
-}
-
-// Expires returns the time.Time when the Token expires.
-func (t Token) Expires() time.Time {
-	s, err := strconv.Atoi(t.ExpiresOn)
-	if err != nil {
-		s = -3600
-	}
-
-	expiration := date.NewUnixTimeFromSeconds(float64(s))
-
-	return time.Time(expiration).UTC()
-}
-
-// IsExpired returns true if the Token is expired, false otherwise.
-func (t Token) IsExpired() bool {
-	return t.WillExpireIn(0)
-}
-
-// WillExpireIn returns true if the Token will expire after the passed time.Duration interval
-// from now, false otherwise.
-func (t Token) WillExpireIn(d time.Duration) bool {
-	return !t.Expires().After(time.Now().Add(d))
-}
-
-//OAuthToken return the current access token
-func (t *Token) OAuthToken() string {
-	return t.AccessToken
-}
-
-// ServicePrincipalNoSecret represents a secret type that contains no secret
-// meaning it is not valid for fetching a fresh token. This is used by Manual
-type ServicePrincipalNoSecret struct {
-}
-
-// SetAuthenticationValues is a method of the interface ServicePrincipalSecret
-// It only returns an error for the ServicePrincipalNoSecret type
-func (noSecret *ServicePrincipalNoSecret) SetAuthenticationValues(spt *ServicePrincipalToken, v *url.Values) error {
-	return fmt.Errorf("Manually created ServicePrincipalToken does not contain secret material to retrieve a new access token")
-}
-
-// ServicePrincipalSecret is an interface that allows various secret mechanism to fill the form
-// that is submitted when acquiring an oAuth token.
-type ServicePrincipalSecret interface {
-	SetAuthenticationValues(spt *ServicePrincipalToken, values *url.Values) error
-}
-
-// ServicePrincipalTokenSecret implements ServicePrincipalSecret for client_secret type authorization.
-type ServicePrincipalTokenSecret struct {
-	ClientSecret string
-}
-
-// SetAuthenticationValues is a method of the interface ServicePrincipalSecret.
-// It will populate the form submitted during oAuth Token Acquisition using the client_secret.
-func (tokenSecret *ServicePrincipalTokenSecret) SetAuthenticationValues(spt *ServicePrincipalToken, v *url.Values) error {
-	v.Set("client_secret", tokenSecret.ClientSecret)
-	return nil
-}
-
-// ServicePrincipalCertificateSecret implements ServicePrincipalSecret for generic RSA cert auth with signed JWTs.
-type ServicePrincipalCertificateSecret struct {
-	Certificate *x509.Certificate
-	PrivateKey  *rsa.PrivateKey
-}
-
-// ServicePrincipalMSISecret implements ServicePrincipalSecret for machines running the MSI Extension.
-type ServicePrincipalMSISecret struct {
-}
-
-// ServicePrincipalUsernamePasswordSecret implements ServicePrincipalSecret for username and password auth.
-type ServicePrincipalUsernamePasswordSecret struct {
-	Username string
-	Password string
-}
-
-// ServicePrincipalAuthorizationCodeSecret implements ServicePrincipalSecret for authorization code auth.
-type ServicePrincipalAuthorizationCodeSecret struct {
-	ClientSecret      string
-	AuthorizationCode string
-	RedirectURI       string
-}
-
-// SetAuthenticationValues is a method of the interface ServicePrincipalSecret.
-func (secret *ServicePrincipalAuthorizationCodeSecret) SetAuthenticationValues(spt *ServicePrincipalToken, v *url.Values) error {
-	v.Set("code", secret.AuthorizationCode)
-	v.Set("client_secret", secret.ClientSecret)
-	v.Set("redirect_uri", secret.RedirectURI)
-	return nil
-}
-
-// SetAuthenticationValues is a method of the interface ServicePrincipalSecret.
-func (secret *ServicePrincipalUsernamePasswordSecret) SetAuthenticationValues(spt *ServicePrincipalToken, v *url.Values) error {
-	v.Set("username", secret.Username)
-	v.Set("password", secret.Password)
-	return nil
-}
-
-// SetAuthenticationValues is a method of the interface ServicePrincipalSecret.
-func (msiSecret *ServicePrincipalMSISecret) SetAuthenticationValues(spt *ServicePrincipalToken, v *url.Values) error {
-	return nil
-}
-
-// SignJwt returns the JWT signed with the certificate's private key.
-func (secret *ServicePrincipalCertificateSecret) SignJwt(spt *ServicePrincipalToken) (string, error) {
-	hasher := sha1.New()
-	_, err := hasher.Write(secret.Certificate.Raw)
-	if err != nil {
-		return "", err
-	}
-
-	thumbprint := base64.URLEncoding.EncodeToString(hasher.Sum(nil))
-
-	// The jti (JWT ID) claim provides a unique identifier for the JWT.
-	jti := make([]byte, 20)
-	_, err = rand.Read(jti)
-	if err != nil {
-		return "", err
-	}
-
-	token := jwt.New(jwt.SigningMethodRS256)
-	token.Header["x5t"] = thumbprint
-	token.Claims = jwt.MapClaims{
-		"aud": spt.oauthConfig.TokenEndpoint.String(),
-		"iss": spt.clientID,
-		"sub": spt.clientID,
-		"jti": base64.URLEncoding.EncodeToString(jti),
-		"nbf": time.Now().Unix(),
-		"exp": time.Now().Add(time.Hour * 24).Unix(),
-	}
-
-	signedString, err := token.SignedString(secret.PrivateKey)
-	return signedString, err
-}
-
-// SetAuthenticationValues is a method of the interface ServicePrincipalSecret.
-// It will populate the form submitted during oAuth Token Acquisition using a JWT signed with a certificate.
-func (secret *ServicePrincipalCertificateSecret) SetAuthenticationValues(spt *ServicePrincipalToken, v *url.Values) error {
-	jwt, err := secret.SignJwt(spt)
-	if err != nil {
-		return err
-	}
-
-	v.Set("client_assertion", jwt)
-	v.Set("client_assertion_type", "urn:ietf:params:oauth:client-assertion-type:jwt-bearer")
-	return nil
-}
-
-// ServicePrincipalToken encapsulates a Token created for a Service Principal.
-type ServicePrincipalToken struct {
-	token         Token
-	secret        ServicePrincipalSecret
-	oauthConfig   OAuthConfig
-	clientID      string
-	resource      string
-	autoRefresh   bool
-	refreshLock   *sync.RWMutex
-	refreshWithin time.Duration
-	sender        Sender
-
-	refreshCallbacks []TokenRefreshCallback
-}
-
-func validateOAuthConfig(oac OAuthConfig) error {
-	if oac.IsZero() {
-		return fmt.Errorf("parameter 'oauthConfig' cannot be zero-initialized")
-	}
-	return nil
-}
-
-// NewServicePrincipalTokenWithSecret create a ServicePrincipalToken using the supplied ServicePrincipalSecret implementation.
-func NewServicePrincipalTokenWithSecret(oauthConfig OAuthConfig, id string, resource string, secret ServicePrincipalSecret, callbacks ...TokenRefreshCallback) (*ServicePrincipalToken, error) {
-	if err := validateOAuthConfig(oauthConfig); err != nil {
-		return nil, err
-	}
-	if err := validateStringParam(id, "id"); err != nil {
-		return nil, err
-	}
-	if err := validateStringParam(resource, "resource"); err != nil {
-		return nil, err
-	}
-	if secret == nil {
-		return nil, fmt.Errorf("parameter 'secret' cannot be nil")
-	}
-	spt := &ServicePrincipalToken{
-		oauthConfig:      oauthConfig,
-		secret:           secret,
-		clientID:         id,
-		resource:         resource,
-		autoRefresh:      true,
-		refreshLock:      &sync.RWMutex{},
-		refreshWithin:    defaultRefresh,
-		sender:           &http.Client{},
-		refreshCallbacks: callbacks,
-	}
-	return spt, nil
-}
-
-// NewServicePrincipalTokenFromManualToken creates a ServicePrincipalToken using the supplied token
-func NewServicePrincipalTokenFromManualToken(oauthConfig OAuthConfig, clientID string, resource string, token Token, callbacks ...TokenRefreshCallback) (*ServicePrincipalToken, error) {
-	if err := validateOAuthConfig(oauthConfig); err != nil {
-		return nil, err
-	}
-	if err := validateStringParam(clientID, "clientID"); err != nil {
-		return nil, err
-	}
-	if err := validateStringParam(resource, "resource"); err != nil {
-		return nil, err
-	}
-	if token.IsZero() {
-		return nil, fmt.Errorf("parameter 'token' cannot be zero-initialized")
-	}
-	spt, err := NewServicePrincipalTokenWithSecret(
-		oauthConfig,
-		clientID,
-		resource,
-		&ServicePrincipalNoSecret{},
-		callbacks...)
-	if err != nil {
-		return nil, err
-	}
-
-	spt.token = token
-
-	return spt, nil
-}
-
-// NewServicePrincipalToken creates a ServicePrincipalToken from the supplied Service Principal
-// credentials scoped to the named resource.
-func NewServicePrincipalToken(oauthConfig OAuthConfig, clientID string, secret string, resource string, callbacks ...TokenRefreshCallback) (*ServicePrincipalToken, error) {
-	if err := validateOAuthConfig(oauthConfig); err != nil {
-		return nil, err
-	}
-	if err := validateStringParam(clientID, "clientID"); err != nil {
-		return nil, err
-	}
-	if err := validateStringParam(secret, "secret"); err != nil {
-		return nil, err
-	}
-	if err := validateStringParam(resource, "resource"); err != nil {
-		return nil, err
-	}
-	return NewServicePrincipalTokenWithSecret(
-		oauthConfig,
-		clientID,
-		resource,
-		&ServicePrincipalTokenSecret{
-			ClientSecret: secret,
-		},
-		callbacks...,
-	)
-}
-
-// NewServicePrincipalTokenFromCertificate creates a ServicePrincipalToken from the supplied pkcs12 bytes.
-func NewServicePrincipalTokenFromCertificate(oauthConfig OAuthConfig, clientID string, certificate *x509.Certificate, privateKey *rsa.PrivateKey, resource string, callbacks ...TokenRefreshCallback) (*ServicePrincipalToken, error) {
-	if err := validateOAuthConfig(oauthConfig); err != nil {
-		return nil, err
-	}
-	if err := validateStringParam(clientID, "clientID"); err != nil {
-		return nil, err
-	}
-	if err := validateStringParam(resource, "resource"); err != nil {
-		return nil, err
-	}
-	if certificate == nil {
-		return nil, fmt.Errorf("parameter 'certificate' cannot be nil")
-	}
-	if privateKey == nil {
-		return nil, fmt.Errorf("parameter 'privateKey' cannot be nil")
-	}
-	return NewServicePrincipalTokenWithSecret(
-		oauthConfig,
-		clientID,
-		resource,
-		&ServicePrincipalCertificateSecret{
-			PrivateKey:  privateKey,
-			Certificate: certificate,
-		},
-		callbacks...,
-	)
-}
-
-// NewServicePrincipalTokenFromUsernamePassword creates a ServicePrincipalToken from the username and password.
-func NewServicePrincipalTokenFromUsernamePassword(oauthConfig OAuthConfig, clientID string, username string, password string, resource string, callbacks ...TokenRefreshCallback) (*ServicePrincipalToken, error) {
-	if err := validateOAuthConfig(oauthConfig); err != nil {
-		return nil, err
-	}
-	if err := validateStringParam(clientID, "clientID"); err != nil {
-		return nil, err
-	}
-	if err := validateStringParam(username, "username"); err != nil {
-		return nil, err
-	}
-	if err := validateStringParam(password, "password"); err != nil {
-		return nil, err
-	}
-	if err := validateStringParam(resource, "resource"); err != nil {
-		return nil, err
-	}
-	return NewServicePrincipalTokenWithSecret(
-		oauthConfig,
-		clientID,
-		resource,
-		&ServicePrincipalUsernamePasswordSecret{
-			Username: username,
-			Password: password,
-		},
-		callbacks...,
-	)
-}
-
-// NewServicePrincipalTokenFromAuthorizationCode creates a ServicePrincipalToken from the
-func NewServicePrincipalTokenFromAuthorizationCode(oauthConfig OAuthConfig, clientID string, clientSecret string, authorizationCode string, redirectURI string, resource string, callbacks ...TokenRefreshCallback) (*ServicePrincipalToken, error) {
-
-	if err := validateOAuthConfig(oauthConfig); err != nil {
-		return nil, err
-	}
-	if err := validateStringParam(clientID, "clientID"); err != nil {
-		return nil, err
-	}
-	if err := validateStringParam(clientSecret, "clientSecret"); err != nil {
-		return nil, err
-	}
-	if err := validateStringParam(authorizationCode, "authorizationCode"); err != nil {
-		return nil, err
-	}
-	if err := validateStringParam(redirectURI, "redirectURI"); err != nil {
-		return nil, err
-	}
-	if err := validateStringParam(resource, "resource"); err != nil {
-		return nil, err
-	}
-
-	return NewServicePrincipalTokenWithSecret(
-		oauthConfig,
-		clientID,
-		resource,
-		&ServicePrincipalAuthorizationCodeSecret{
-			ClientSecret:      clientSecret,
-			AuthorizationCode: authorizationCode,
-			RedirectURI:       redirectURI,
-		},
-		callbacks...,
-	)
-}
-
-// GetMSIVMEndpoint gets the MSI endpoint on Virtual Machines.
-func GetMSIVMEndpoint() (string, error) {
-	return msiEndpoint, nil
-}
-
-// NewServicePrincipalTokenFromMSI creates a ServicePrincipalToken via the MSI VM Extension.
-// It will use the system assigned identity when creating the token.
-func NewServicePrincipalTokenFromMSI(msiEndpoint, resource string, callbacks ...TokenRefreshCallback) (*ServicePrincipalToken, error) {
-	return newServicePrincipalTokenFromMSI(msiEndpoint, resource, nil, callbacks...)
-}
-
-// NewServicePrincipalTokenFromMSIWithUserAssignedID creates a ServicePrincipalToken via the MSI VM Extension.
-// It will use the specified user assigned identity when creating the token.
-func NewServicePrincipalTokenFromMSIWithUserAssignedID(msiEndpoint, resource string, userAssignedID string, callbacks ...TokenRefreshCallback) (*ServicePrincipalToken, error) {
-	return newServicePrincipalTokenFromMSI(msiEndpoint, resource, &userAssignedID, callbacks...)
-}
-
-func newServicePrincipalTokenFromMSI(msiEndpoint, resource string, userAssignedID *string, callbacks ...TokenRefreshCallback) (*ServicePrincipalToken, error) {
-	if err := validateStringParam(msiEndpoint, "msiEndpoint"); err != nil {
-		return nil, err
-	}
-	if err := validateStringParam(resource, "resource"); err != nil {
-		return nil, err
-	}
-	if userAssignedID != nil {
-		if err := validateStringParam(*userAssignedID, "userAssignedID"); err != nil {
-			return nil, err
-		}
-	}
-	// We set the oauth config token endpoint to be MSI's endpoint
-	msiEndpointURL, err := url.Parse(msiEndpoint)
-	if err != nil {
-		return nil, err
-	}
-
-	v := url.Values{}
-	v.Set("resource", resource)
-	v.Set("api-version", "2018-02-01")
-	if userAssignedID != nil {
-		v.Set("client_id", *userAssignedID)
-	}
-	msiEndpointURL.RawQuery = v.Encode()
-
-	spt := &ServicePrincipalToken{
-		oauthConfig: OAuthConfig{
-			TokenEndpoint: *msiEndpointURL,
-		},
-		secret:           &ServicePrincipalMSISecret{},
-		resource:         resource,
-		autoRefresh:      true,
-		refreshLock:      &sync.RWMutex{},
-		refreshWithin:    defaultRefresh,
-		sender:           &http.Client{},
-		refreshCallbacks: callbacks,
-	}
-
-	if userAssignedID != nil {
-		spt.clientID = *userAssignedID
-	}
-
-	return spt, nil
-}
-
-// internal type that implements TokenRefreshError
-type tokenRefreshError struct {
-	message string
-	resp    *http.Response
-}
-
-// Error implements the error interface which is part of the TokenRefreshError interface.
-func (tre tokenRefreshError) Error() string {
-	return tre.message
-}
-
-// Response implements the TokenRefreshError interface, it returns the raw HTTP response from the refresh operation.
-func (tre tokenRefreshError) Response() *http.Response {
-	return tre.resp
-}
-
-func newTokenRefreshError(message string, resp *http.Response) TokenRefreshError {
-	return tokenRefreshError{message: message, resp: resp}
-}
-
-// EnsureFresh will refresh the token if it will expire within the refresh window (as set by
-// RefreshWithin) and autoRefresh flag is on.  This method is safe for concurrent use.
-func (spt *ServicePrincipalToken) EnsureFresh() error {
-	if spt.autoRefresh && spt.token.WillExpireIn(spt.refreshWithin) {
-		// take the write lock then check to see if the token was already refreshed
-		spt.refreshLock.Lock()
-		defer spt.refreshLock.Unlock()
-		if spt.token.WillExpireIn(spt.refreshWithin) {
-			return spt.refreshInternal(spt.resource)
-		}
-	}
-	return nil
-}
-
-// InvokeRefreshCallbacks calls any TokenRefreshCallbacks that were added to the SPT during initialization
-func (spt *ServicePrincipalToken) InvokeRefreshCallbacks(token Token) error {
-	if spt.refreshCallbacks != nil {
-		for _, callback := range spt.refreshCallbacks {
-			err := callback(spt.token)
-			if err != nil {
-				return fmt.Errorf("adal: TokenRefreshCallback handler failed. Error = '%v'", err)
-			}
-		}
-	}
-	return nil
-}
-
-// Refresh obtains a fresh token for the Service Principal.
-// This method is not safe for concurrent use and should be syncrhonized.
-func (spt *ServicePrincipalToken) Refresh() error {
-	spt.refreshLock.Lock()
-	defer spt.refreshLock.Unlock()
-	return spt.refreshInternal(spt.resource)
-}
-
-// RefreshExchange refreshes the token, but for a different resource.
-// This method is not safe for concurrent use and should be syncrhonized.
-func (spt *ServicePrincipalToken) RefreshExchange(resource string) error {
-	spt.refreshLock.Lock()
-	defer spt.refreshLock.Unlock()
-	return spt.refreshInternal(resource)
-}
-
-func (spt *ServicePrincipalToken) getGrantType() string {
-	switch spt.secret.(type) {
-	case *ServicePrincipalUsernamePasswordSecret:
-		return OAuthGrantTypeUserPass
-	case *ServicePrincipalAuthorizationCodeSecret:
-		return OAuthGrantTypeAuthorizationCode
-	default:
-		return OAuthGrantTypeClientCredentials
-	}
-}
-
-func isIMDS(u url.URL) bool {
-	imds, err := url.Parse(msiEndpoint)
-	if err != nil {
-		return false
-	}
-	return u.Host == imds.Host && u.Path == imds.Path
-}
-
-func (spt *ServicePrincipalToken) refreshInternal(resource string) error {
-	req, err := http.NewRequest(http.MethodPost, spt.oauthConfig.TokenEndpoint.String(), nil)
-	if err != nil {
-		return fmt.Errorf("adal: Failed to build the refresh request. Error = '%v'", err)
-	}
-
-	if !isIMDS(spt.oauthConfig.TokenEndpoint) {
-		v := url.Values{}
-		v.Set("client_id", spt.clientID)
-		v.Set("resource", resource)
-
-		if spt.token.RefreshToken != "" {
-			v.Set("grant_type", OAuthGrantTypeRefreshToken)
-			v.Set("refresh_token", spt.token.RefreshToken)
-		} else {
-			v.Set("grant_type", spt.getGrantType())
-			err := spt.secret.SetAuthenticationValues(spt, &v)
-			if err != nil {
-				return err
-			}
-		}
-
-		s := v.Encode()
-		body := ioutil.NopCloser(strings.NewReader(s))
-		req.ContentLength = int64(len(s))
-		req.Header.Set(contentType, mimeTypeFormPost)
-		req.Body = body
-	}
-
-	if _, ok := spt.secret.(*ServicePrincipalMSISecret); ok {
-		req.Method = http.MethodGet
-		req.Header.Set(metadataHeader, "true")
-	}
-
-	var resp *http.Response
-	if isIMDS(spt.oauthConfig.TokenEndpoint) {
-		resp, err = retry(spt.sender, req)
-	} else {
-		resp, err = spt.sender.Do(req)
-	}
-	if err != nil {
-		return fmt.Errorf("adal: Failed to execute the refresh request. Error = '%v'", err)
-	}
-
-	defer resp.Body.Close()
-	rb, err := ioutil.ReadAll(resp.Body)
-
-	if resp.StatusCode != http.StatusOK {
-		if err != nil {
-			return newTokenRefreshError(fmt.Sprintf("adal: Refresh request failed. Status Code = '%d'. Failed reading response body", resp.StatusCode), resp)
-		}
-		return newTokenRefreshError(fmt.Sprintf("adal: Refresh request failed. Status Code = '%d'. Response body: %s", resp.StatusCode, string(rb)), resp)
-	}
-
-	if err != nil {
-		return fmt.Errorf("adal: Failed to read a new service principal token during refresh. Error = '%v'", err)
-	}
-	if len(strings.Trim(string(rb), " ")) == 0 {
-		return fmt.Errorf("adal: Empty service principal token received during refresh")
-	}
-	var token Token
-	err = json.Unmarshal(rb, &token)
-	if err != nil {
-		return fmt.Errorf("adal: Failed to unmarshal the service principal token during refresh. Error = '%v' JSON = '%s'", err, string(rb))
-	}
-
-	spt.token = token
-
-	return spt.InvokeRefreshCallbacks(token)
-}
-
-func retry(sender Sender, req *http.Request) (resp *http.Response, err error) {
-	retries := []int{
-		http.StatusRequestTimeout,      // 408
-		http.StatusTooManyRequests,     // 429
-		http.StatusInternalServerError, // 500
-		http.StatusBadGateway,          // 502
-		http.StatusServiceUnavailable,  // 503
-		http.StatusGatewayTimeout,      // 504
-	}
-	// Extra retry status codes requered
-	retries = append(retries, http.StatusNotFound,
-		// all remaining 5xx
-		http.StatusNotImplemented,
-		http.StatusHTTPVersionNotSupported,
-		http.StatusVariantAlsoNegotiates,
-		http.StatusInsufficientStorage,
-		http.StatusLoopDetected,
-		http.StatusNotExtended,
-		http.StatusNetworkAuthenticationRequired)
-
-	attempt := 0
-	maxAttempts := 5
-
-	for attempt < maxAttempts {
-		resp, err = sender.Do(req)
-		if err != nil {
-			return
-		}
-
-		if resp.StatusCode == http.StatusOK {
-			return
-		}
-		if containsInt(retries, resp.StatusCode) {
-			delayed := false
-			if resp.StatusCode == http.StatusTooManyRequests {
-				delayed = delay(resp, req.Cancel)
-			}
-			if !delayed {
-				time.Sleep(time.Second)
-				attempt++
-			}
-		} else {
-			return
-		}
-	}
-	return
-}
-
-func containsInt(ints []int, n int) bool {
-	for _, i := range ints {
-		if i == n {
-			return true
-		}
-	}
-	return false
-}
-
-func delay(resp *http.Response, cancel <-chan struct{}) bool {
-	if resp == nil {
-		return false
-	}
-	retryAfter, _ := strconv.Atoi(resp.Header.Get("Retry-After"))
-	if resp.StatusCode == http.StatusTooManyRequests && retryAfter > 0 {
-		select {
-		case <-time.After(time.Duration(retryAfter) * time.Second):
-			return true
-		case <-cancel:
-			return false
-		}
-	}
-	return false
-}
-
-// SetAutoRefresh enables or disables automatic refreshing of stale tokens.
-func (spt *ServicePrincipalToken) SetAutoRefresh(autoRefresh bool) {
-	spt.autoRefresh = autoRefresh
-}
-
-// SetRefreshWithin sets the interval within which if the token will expire, EnsureFresh will
-// refresh the token.
-func (spt *ServicePrincipalToken) SetRefreshWithin(d time.Duration) {
-	spt.refreshWithin = d
-	return
-}
-
-// SetSender sets the http.Client used when obtaining the Service Principal token. An
-// undecorated http.Client is used by default.
-func (spt *ServicePrincipalToken) SetSender(s Sender) { spt.sender = s }
-
-// OAuthToken implements the OAuthTokenProvider interface.  It returns the current access token.
-func (spt *ServicePrincipalToken) OAuthToken() string {
-	spt.refreshLock.RLock()
-	defer spt.refreshLock.RUnlock()
-	return spt.token.OAuthToken()
-}
-
-// Token returns a copy of the current token.
-func (spt *ServicePrincipalToken) Token() Token {
-	spt.refreshLock.RLock()
-	defer spt.refreshLock.RUnlock()
-	return spt.token
-}

vendor/github.com/Azure/go-autorest/autorest/authorization.go

@@ -1,257 +0,0 @@
-package autorest
-
-// Copyright 2017 Microsoft Corporation
-//
-//  Licensed under the Apache License, Version 2.0 (the "License");
-//  you may not use this file except in compliance with the License.
-//  You may obtain a copy of the License at
-//
-//      http://www.apache.org/licenses/LICENSE-2.0
-//
-//  Unless required by applicable law or agreed to in writing, software
-//  distributed under the License is distributed on an "AS IS" BASIS,
-//  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-//  See the License for the specific language governing permissions and
-//  limitations under the License.
-
-import (
-	"fmt"
-	"net/http"
-	"net/url"
-	"strings"
-
-	"github.com/Azure/go-autorest/autorest/adal"
-)
-
-const (
-	bearerChallengeHeader       = "Www-Authenticate"
-	bearer                      = "Bearer"
-	tenantID                    = "tenantID"
-	apiKeyAuthorizerHeader      = "Ocp-Apim-Subscription-Key"
-	bingAPISdkHeader            = "X-BingApis-SDK-Client"
-	golangBingAPISdkHeaderValue = "Go-SDK"
-)
-
-// Authorizer is the interface that provides a PrepareDecorator used to supply request
-// authorization. Most often, the Authorizer decorator runs last so it has access to the full
-// state of the formed HTTP request.
-type Authorizer interface {
-	WithAuthorization() PrepareDecorator
-}
-
-// NullAuthorizer implements a default, "do nothing" Authorizer.
-type NullAuthorizer struct{}
-
-// WithAuthorization returns a PrepareDecorator that does nothing.
-func (na NullAuthorizer) WithAuthorization() PrepareDecorator {
-	return WithNothing()
-}
-
-// APIKeyAuthorizer implements API Key authorization.
-type APIKeyAuthorizer struct {
-	headers         map[string]interface{}
-	queryParameters map[string]interface{}
-}
-
-// NewAPIKeyAuthorizerWithHeaders creates an ApiKeyAuthorizer with headers.
-func NewAPIKeyAuthorizerWithHeaders(headers map[string]interface{}) *APIKeyAuthorizer {
-	return NewAPIKeyAuthorizer(headers, nil)
-}
-
-// NewAPIKeyAuthorizerWithQueryParameters creates an ApiKeyAuthorizer with query parameters.
-func NewAPIKeyAuthorizerWithQueryParameters(queryParameters map[string]interface{}) *APIKeyAuthorizer {
-	return NewAPIKeyAuthorizer(nil, queryParameters)
-}
-
-// NewAPIKeyAuthorizer creates an ApiKeyAuthorizer with headers.
-func NewAPIKeyAuthorizer(headers map[string]interface{}, queryParameters map[string]interface{}) *APIKeyAuthorizer {
-	return &APIKeyAuthorizer{headers: headers, queryParameters: queryParameters}
-}
-
-// WithAuthorization returns a PrepareDecorator that adds an HTTP headers and Query Paramaters
-func (aka *APIKeyAuthorizer) WithAuthorization() PrepareDecorator {
-	return func(p Preparer) Preparer {
-		return DecoratePreparer(p, WithHeaders(aka.headers), WithQueryParameters(aka.queryParameters))
-	}
-}
-
-// CognitiveServicesAuthorizer implements authorization for Cognitive Services.
-type CognitiveServicesAuthorizer struct {
-	subscriptionKey string
-}
-
-// NewCognitiveServicesAuthorizer is
-func NewCognitiveServicesAuthorizer(subscriptionKey string) *CognitiveServicesAuthorizer {
-	return &CognitiveServicesAuthorizer{subscriptionKey: subscriptionKey}
-}
-
-// WithAuthorization is
-func (csa *CognitiveServicesAuthorizer) WithAuthorization() PrepareDecorator {
-	headers := make(map[string]interface{})
-	headers[apiKeyAuthorizerHeader] = csa.subscriptionKey
-	headers[bingAPISdkHeader] = golangBingAPISdkHeaderValue
-
-	return NewAPIKeyAuthorizerWithHeaders(headers).WithAuthorization()
-}
-
-// BearerAuthorizer implements the bearer authorization
-type BearerAuthorizer struct {
-	tokenProvider adal.OAuthTokenProvider
-}
-
-// NewBearerAuthorizer crates a BearerAuthorizer using the given token provider
-func NewBearerAuthorizer(tp adal.OAuthTokenProvider) *BearerAuthorizer {
-	return &BearerAuthorizer{tokenProvider: tp}
-}
-
-// WithAuthorization returns a PrepareDecorator that adds an HTTP Authorization header whose
-// value is "Bearer " followed by the token.
-//
-// By default, the token will be automatically refreshed through the Refresher interface.
-func (ba *BearerAuthorizer) WithAuthorization() PrepareDecorator {
-	return func(p Preparer) Preparer {
-		return PreparerFunc(func(r *http.Request) (*http.Request, error) {
-			r, err := p.Prepare(r)
-			if err == nil {
-				refresher, ok := ba.tokenProvider.(adal.Refresher)
-				if ok {
-					err := refresher.EnsureFresh()
-					if err != nil {
-						var resp *http.Response
-						if tokError, ok := err.(adal.TokenRefreshError); ok {
-							resp = tokError.Response()
-						}
-						return r, NewErrorWithError(err, "azure.BearerAuthorizer", "WithAuthorization", resp,
-							"Failed to refresh the Token for request to %s", r.URL)
-					}
-				}
-				return Prepare(r, WithHeader(headerAuthorization, fmt.Sprintf("Bearer %s", ba.tokenProvider.OAuthToken())))
-			}
-			return r, err
-		})
-	}
-}
-
-// BearerAuthorizerCallbackFunc is the authentication callback signature.
-type BearerAuthorizerCallbackFunc func(tenantID, resource string) (*BearerAuthorizer, error)
-
-// BearerAuthorizerCallback implements bearer authorization via a callback.
-type BearerAuthorizerCallback struct {
-	sender   Sender
-	callback BearerAuthorizerCallbackFunc
-}
-
-// NewBearerAuthorizerCallback creates a bearer authorization callback.  The callback
-// is invoked when the HTTP request is submitted.
-func NewBearerAuthorizerCallback(sender Sender, callback BearerAuthorizerCallbackFunc) *BearerAuthorizerCallback {
-	if sender == nil {
-		sender = &http.Client{}
-	}
-	return &BearerAuthorizerCallback{sender: sender, callback: callback}
-}
-
-// WithAuthorization returns a PrepareDecorator that adds an HTTP Authorization header whose value
-// is "Bearer " followed by the token.  The BearerAuthorizer is obtained via a user-supplied callback.
-//
-// By default, the token will be automatically refreshed through the Refresher interface.
-func (bacb *BearerAuthorizerCallback) WithAuthorization() PrepareDecorator {
-	return func(p Preparer) Preparer {
-		return PreparerFunc(func(r *http.Request) (*http.Request, error) {
-			r, err := p.Prepare(r)
-			if err == nil {
-				// make a copy of the request and remove the body as it's not
-				// required and avoids us having to create a copy of it.
-				rCopy := *r
-				removeRequestBody(&rCopy)
-
-				resp, err := bacb.sender.Do(&rCopy)
-				if err == nil && resp.StatusCode == 401 {
-					defer resp.Body.Close()
-					if hasBearerChallenge(resp) {
-						bc, err := newBearerChallenge(resp)
-						if err != nil {
-							return r, err
-						}
-						if bacb.callback != nil {
-							ba, err := bacb.callback(bc.values[tenantID], bc.values["resource"])
-							if err != nil {
-								return r, err
-							}
-							return Prepare(r, ba.WithAuthorization())
-						}
-					}
-				}
-			}
-			return r, err
-		})
-	}
-}
-
-// returns true if the HTTP response contains a bearer challenge
-func hasBearerChallenge(resp *http.Response) bool {
-	authHeader := resp.Header.Get(bearerChallengeHeader)
-	if len(authHeader) == 0 || strings.Index(authHeader, bearer) < 0 {
-		return false
-	}
-	return true
-}
-
-type bearerChallenge struct {
-	values map[string]string
-}
-
-func newBearerChallenge(resp *http.Response) (bc bearerChallenge, err error) {
-	challenge := strings.TrimSpace(resp.Header.Get(bearerChallengeHeader))
-	trimmedChallenge := challenge[len(bearer)+1:]
-
-	// challenge is a set of key=value pairs that are comma delimited
-	pairs := strings.Split(trimmedChallenge, ",")
-	if len(pairs) < 1 {
-		err = fmt.Errorf("challenge '%s' contains no pairs", challenge)
-		return bc, err
-	}
-
-	bc.values = make(map[string]string)
-	for i := range pairs {
-		trimmedPair := strings.TrimSpace(pairs[i])
-		pair := strings.Split(trimmedPair, "=")
-		if len(pair) == 2 {
-			// remove the enclosing quotes
-			key := strings.Trim(pair[0], "\"")
-			value := strings.Trim(pair[1], "\"")
-
-			switch key {
-			case "authorization", "authorization_uri":
-				// strip the tenant ID from the authorization URL
-				asURL, err := url.Parse(value)
-				if err != nil {
-					return bc, err
-				}
-				bc.values[tenantID] = asURL.Path[1:]
-			default:
-				bc.values[key] = value
-			}
-		}
-	}
-
-	return bc, err
-}
-
-// EventGridKeyAuthorizer implements authorization for event grid using key authentication.
-type EventGridKeyAuthorizer struct {
-	topicKey string
-}
-
-// NewEventGridKeyAuthorizer creates a new EventGridKeyAuthorizer
-// with the specified topic key.
-func NewEventGridKeyAuthorizer(topicKey string) EventGridKeyAuthorizer {
-	return EventGridKeyAuthorizer{topicKey: topicKey}
-}
-
-// WithAuthorization returns a PrepareDecorator that adds the aeg-sas-key authentication header.
-func (egta EventGridKeyAuthorizer) WithAuthorization() PrepareDecorator {
-	headers := map[string]interface{}{
-		"aeg-sas-key": egta.topicKey,
-	}
-	return NewAPIKeyAuthorizerWithHeaders(headers).WithAuthorization()
-}

vendor/github.com/Azure/go-autorest/autorest/autorest.go

@@ -1,150 +0,0 @@
-/*
-Package autorest implements an HTTP request pipeline suitable for use across multiple go-routines
-and provides the shared routines relied on by AutoRest (see https://github.com/Azure/autorest/)
-generated Go code.
-
-The package breaks sending and responding to HTTP requests into three phases: Preparing, Sending,
-and Responding. A typical pattern is:
-
-  req, err := Prepare(&http.Request{},
-    token.WithAuthorization())
-
-  resp, err := Send(req,
-    WithLogging(logger),
-    DoErrorIfStatusCode(http.StatusInternalServerError),
-    DoCloseIfError(),
-    DoRetryForAttempts(5, time.Second))
-
-  err = Respond(resp,
-    ByDiscardingBody(),
-    ByClosing())
-
-Each phase relies on decorators to modify and / or manage processing. Decorators may first modify
-and then pass the data along, pass the data first and then modify the result, or wrap themselves
-around passing the data (such as a logger might do). Decorators run in the order provided. For
-example, the following:
-
-  req, err := Prepare(&http.Request{},
-    WithBaseURL("https://microsoft.com/"),
-    WithPath("a"),
-    WithPath("b"),
-    WithPath("c"))
-
-will set the URL to:
-
-  https://microsoft.com/a/b/c
-
-Preparers and Responders may be shared and re-used (assuming the underlying decorators support
-sharing and re-use). Performant use is obtained by creating one or more Preparers and Responders
-shared among multiple go-routines, and a single Sender shared among multiple sending go-routines,
-all bound together by means of input / output channels.
-
-Decorators hold their passed state within a closure (such as the path components in the example
-above). Be careful to share Preparers and Responders only in a context where such held state
-applies. For example, it may not make sense to share a Preparer that applies a query string from a
-fixed set of values. Similarly, sharing a Responder that reads the response body into a passed
-struct (e.g., ByUnmarshallingJson) is likely incorrect.
-
-Lastly, the Swagger specification (https://swagger.io) that drives AutoRest
-(https://github.com/Azure/autorest/) precisely defines two date forms: date and date-time. The
-github.com/Azure/go-autorest/autorest/date package provides time.Time derivations to ensure
-correct parsing and formatting.
-
-Errors raised by autorest objects and methods will conform to the autorest.Error interface.
-
-See the included examples for more detail. For details on the suggested use of this package by
-generated clients, see the Client described below.
-*/
-package autorest
-
-// Copyright 2017 Microsoft Corporation
-//
-//  Licensed under the Apache License, Version 2.0 (the "License");
-//  you may not use this file except in compliance with the License.
-//  You may obtain a copy of the License at
-//
-//      http://www.apache.org/licenses/LICENSE-2.0
-//
-//  Unless required by applicable law or agreed to in writing, software
-//  distributed under the License is distributed on an "AS IS" BASIS,
-//  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-//  See the License for the specific language governing permissions and
-//  limitations under the License.
-
-import (
-	"context"
-	"net/http"
-	"time"
-)
-
-const (
-	// HeaderLocation specifies the HTTP Location header.
-	HeaderLocation = "Location"
-
-	// HeaderRetryAfter specifies the HTTP Retry-After header.
-	HeaderRetryAfter = "Retry-After"
-)
-
-// ResponseHasStatusCode returns true if the status code in the HTTP Response is in the passed set
-// and false otherwise.
-func ResponseHasStatusCode(resp *http.Response, codes ...int) bool {
-	if resp == nil {
-		return false
-	}
-	return containsInt(codes, resp.StatusCode)
-}
-
-// GetLocation retrieves the URL from the Location header of the passed response.
-func GetLocation(resp *http.Response) string {
-	return resp.Header.Get(HeaderLocation)
-}
-
-// GetRetryAfter extracts the retry delay from the Retry-After header of the passed response. If
-// the header is absent or is malformed, it will return the supplied default delay time.Duration.
-func GetRetryAfter(resp *http.Response, defaultDelay time.Duration) time.Duration {
-	retry := resp.Header.Get(HeaderRetryAfter)
-	if retry == "" {
-		return defaultDelay
-	}
-
-	d, err := time.ParseDuration(retry + "s")
-	if err != nil {
-		return defaultDelay
-	}
-
-	return d
-}
-
-// NewPollingRequest allocates and returns a new http.Request to poll for the passed response.
-func NewPollingRequest(resp *http.Response, cancel <-chan struct{}) (*http.Request, error) {
-	location := GetLocation(resp)
-	if location == "" {
-		return nil, NewErrorWithResponse("autorest", "NewPollingRequest", resp, "Location header missing from response that requires polling")
-	}
-
-	req, err := Prepare(&http.Request{Cancel: cancel},
-		AsGet(),
-		WithBaseURL(location))
-	if err != nil {
-		return nil, NewErrorWithError(err, "autorest", "NewPollingRequest", nil, "Failure creating poll request to %s", location)
-	}
-
-	return req, nil
-}
-
-// NewPollingRequestWithContext allocates and returns a new http.Request with the specified context to poll for the passed response.
-func NewPollingRequestWithContext(ctx context.Context, resp *http.Response) (*http.Request, error) {
-	location := GetLocation(resp)
-	if location == "" {
-		return nil, NewErrorWithResponse("autorest", "NewPollingRequestWithContext", resp, "Location header missing from response that requires polling")
-	}
-
-	req, err := Prepare((&http.Request{}).WithContext(ctx),
-		AsGet(),
-		WithBaseURL(location))
-	if err != nil {
-		return nil, NewErrorWithError(err, "autorest", "NewPollingRequestWithContext", nil, "Failure creating poll request to %s", location)
-	}
-
-	return req, nil
-}

vendor/github.com/Azure/go-autorest/autorest/azure/async.go

@@ -1,511 +0,0 @@
-package azure
-
-// Copyright 2017 Microsoft Corporation
-//
-//  Licensed under the Apache License, Version 2.0 (the "License");
-//  you may not use this file except in compliance with the License.
-//  You may obtain a copy of the License at
-//
-//      http://www.apache.org/licenses/LICENSE-2.0
-//
-//  Unless required by applicable law or agreed to in writing, software
-//  distributed under the License is distributed on an "AS IS" BASIS,
-//  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-//  See the License for the specific language governing permissions and
-//  limitations under the License.
-
-import (
-	"bytes"
-	"context"
-	"encoding/json"
-	"fmt"
-	"io/ioutil"
-	"net/http"
-	"strings"
-	"time"
-
-	"github.com/Azure/go-autorest/autorest"
-	"github.com/Azure/go-autorest/autorest/date"
-)
-
-const (
-	headerAsyncOperation = "Azure-AsyncOperation"
-)
-
-const (
-	operationInProgress string = "InProgress"
-	operationCanceled   string = "Canceled"
-	operationFailed     string = "Failed"
-	operationSucceeded  string = "Succeeded"
-)
-
-var pollingCodes = [...]int{http.StatusNoContent, http.StatusAccepted, http.StatusCreated, http.StatusOK}
-
-// Future provides a mechanism to access the status and results of an asynchronous request.
-// Since futures are stateful they should be passed by value to avoid race conditions.
-type Future struct {
-	req  *http.Request
-	resp *http.Response
-	ps   pollingState
-}
-
-// NewFuture returns a new Future object initialized with the specified request.
-func NewFuture(req *http.Request) Future {
-	return Future{req: req}
-}
-
-// Response returns the last HTTP response or nil if there isn't one.
-func (f Future) Response() *http.Response {
-	return f.resp
-}
-
-// Status returns the last status message of the operation.
-func (f Future) Status() string {
-	if f.ps.State == "" {
-		return "Unknown"
-	}
-	return f.ps.State
-}
-
-// PollingMethod returns the method used to monitor the status of the asynchronous operation.
-func (f Future) PollingMethod() PollingMethodType {
-	return f.ps.PollingMethod
-}
-
-// Done queries the service to see if the operation has completed.
-func (f *Future) Done(sender autorest.Sender) (bool, error) {
-	// exit early if this future has terminated
-	if f.ps.hasTerminated() {
-		return true, f.errorInfo()
-	}
-	resp, err := sender.Do(f.req)
-	f.resp = resp
-	if err != nil {
-		return false, err
-	}
-
-	if !autorest.ResponseHasStatusCode(resp, pollingCodes[:]...) {
-		// check response body for error content
-		if resp.Body != nil {
-			type respErr struct {
-				ServiceError ServiceError `json:"error"`
-			}
-			re := respErr{}
-
-			defer resp.Body.Close()
-			b, err := ioutil.ReadAll(resp.Body)
-			if err != nil {
-				return false, err
-			}
-			err = json.Unmarshal(b, &re)
-			if err != nil {
-				return false, err
-			}
-			return false, re.ServiceError
-		}
-
-		// try to return something meaningful
-		return false, ServiceError{
-			Code:    fmt.Sprintf("%v", resp.StatusCode),
-			Message: resp.Status,
-		}
-	}
-
-	err = updatePollingState(resp, &f.ps)
-	if err != nil {
-		return false, err
-	}
-
-	if f.ps.hasTerminated() {
-		return true, f.errorInfo()
-	}
-
-	f.req, err = newPollingRequest(f.ps)
-	return false, err
-}
-
-// GetPollingDelay returns a duration the application should wait before checking
-// the status of the asynchronous request and true; this value is returned from
-// the service via the Retry-After response header.  If the header wasn't returned
-// then the function returns the zero-value time.Duration and false.
-func (f Future) GetPollingDelay() (time.Duration, bool) {
-	if f.resp == nil {
-		return 0, false
-	}
-
-	retry := f.resp.Header.Get(autorest.HeaderRetryAfter)
-	if retry == "" {
-		return 0, false
-	}
-
-	d, err := time.ParseDuration(retry + "s")
-	if err != nil {
-		panic(err)
-	}
-
-	return d, true
-}
-
-// WaitForCompletion will return when one of the following conditions is met: the long
-// running operation has completed, the provided context is cancelled, or the client's
-// polling duration has been exceeded.  It will retry failed polling attempts based on
-// the retry value defined in the client up to the maximum retry attempts.
-func (f Future) WaitForCompletion(ctx context.Context, client autorest.Client) error {
-	ctx, cancel := context.WithTimeout(ctx, client.PollingDuration)
-	defer cancel()
-
-	done, err := f.Done(client)
-	for attempts := 0; !done; done, err = f.Done(client) {
-		if attempts >= client.RetryAttempts {
-			return autorest.NewErrorWithError(err, "azure", "WaitForCompletion", f.resp, "the number of retries has been exceeded")
-		}
-		// we want delayAttempt to be zero in the non-error case so
-		// that DelayForBackoff doesn't perform exponential back-off
-		var delayAttempt int
-		var delay time.Duration
-		if err == nil {
-			// check for Retry-After delay, if not present use the client's polling delay
-			var ok bool
-			delay, ok = f.GetPollingDelay()
-			if !ok {
-				delay = client.PollingDelay
-			}
-		} else {
-			// there was an error polling for status so perform exponential
-			// back-off based on the number of attempts using the client's retry
-			// duration.  update attempts after delayAttempt to avoid off-by-one.
-			delayAttempt = attempts
-			delay = client.RetryDuration
-			attempts++
-		}
-		// wait until the delay elapses or the context is cancelled
-		delayElapsed := autorest.DelayForBackoff(delay, delayAttempt, ctx.Done())
-		if !delayElapsed {
-			return autorest.NewErrorWithError(ctx.Err(), "azure", "WaitForCompletion", f.resp, "context has been cancelled")
-		}
-	}
-	return err
-}
-
-// if the operation failed the polling state will contain
-// error information and implements the error interface
-func (f *Future) errorInfo() error {
-	if !f.ps.hasSucceeded() {
-		return f.ps
-	}
-	return nil
-}
-
-// MarshalJSON implements the json.Marshaler interface.
-func (f Future) MarshalJSON() ([]byte, error) {
-	return json.Marshal(&f.ps)
-}
-
-// UnmarshalJSON implements the json.Unmarshaler interface.
-func (f *Future) UnmarshalJSON(data []byte) error {
-	err := json.Unmarshal(data, &f.ps)
-	if err != nil {
-		return err
-	}
-	f.req, err = newPollingRequest(f.ps)
-	return err
-}
-
-// PollingURL returns the URL used for retrieving the status of the long-running operation.
-// For LROs that use the Location header the final URL value is used to retrieve the result.
-func (f Future) PollingURL() string {
-	return f.ps.URI
-}
-
-// DoPollForAsynchronous returns a SendDecorator that polls if the http.Response is for an Azure
-// long-running operation. It will delay between requests for the duration specified in the
-// RetryAfter header or, if the header is absent, the passed delay. Polling may be canceled by
-// closing the optional channel on the http.Request.
-func DoPollForAsynchronous(delay time.Duration) autorest.SendDecorator {
-	return func(s autorest.Sender) autorest.Sender {
-		return autorest.SenderFunc(func(r *http.Request) (resp *http.Response, err error) {
-			resp, err = s.Do(r)
-			if err != nil {
-				return resp, err
-			}
-			if !autorest.ResponseHasStatusCode(resp, pollingCodes[:]...) {
-				return resp, nil
-			}
-
-			ps := pollingState{}
-			for err == nil {
-				err = updatePollingState(resp, &ps)
-				if err != nil {
-					break
-				}
-				if ps.hasTerminated() {
-					if !ps.hasSucceeded() {
-						err = ps
-					}
-					break
-				}
-
-				r, err = newPollingRequest(ps)
-				if err != nil {
-					return resp, err
-				}
-				r = r.WithContext(resp.Request.Context())
-
-				delay = autorest.GetRetryAfter(resp, delay)
-				resp, err = autorest.SendWithSender(s, r,
-					autorest.AfterDelay(delay))
-			}
-
-			return resp, err
-		})
-	}
-}
-
-func getAsyncOperation(resp *http.Response) string {
-	return resp.Header.Get(http.CanonicalHeaderKey(headerAsyncOperation))
-}
-
-func hasSucceeded(state string) bool {
-	return strings.EqualFold(state, operationSucceeded)
-}
-
-func hasTerminated(state string) bool {
-	return strings.EqualFold(state, operationCanceled) || strings.EqualFold(state, operationFailed) || strings.EqualFold(state, operationSucceeded)
-}
-
-func hasFailed(state string) bool {
-	return strings.EqualFold(state, operationFailed)
-}
-
-type provisioningTracker interface {
-	state() string
-	hasSucceeded() bool
-	hasTerminated() bool
-}
-
-type operationResource struct {
-	// Note:
-	// 	The specification states services should return the "id" field. However some return it as
-	// 	"operationId".
-	ID              string                 `json:"id"`
-	OperationID     string                 `json:"operationId"`
-	Name            string                 `json:"name"`
-	Status          string                 `json:"status"`
-	Properties      map[string]interface{} `json:"properties"`
-	OperationError  ServiceError           `json:"error"`
-	StartTime       date.Time              `json:"startTime"`
-	EndTime         date.Time              `json:"endTime"`
-	PercentComplete float64                `json:"percentComplete"`
-}
-
-func (or operationResource) state() string {
-	return or.Status
-}
-
-func (or operationResource) hasSucceeded() bool {
-	return hasSucceeded(or.state())
-}
-
-func (or operationResource) hasTerminated() bool {
-	return hasTerminated(or.state())
-}
-
-type provisioningProperties struct {
-	ProvisioningState string `json:"provisioningState"`
-}
-
-type provisioningStatus struct {
-	Properties        provisioningProperties `json:"properties,omitempty"`
-	ProvisioningError ServiceError           `json:"error,omitempty"`
-}
-
-func (ps provisioningStatus) state() string {
-	return ps.Properties.ProvisioningState
-}
-
-func (ps provisioningStatus) hasSucceeded() bool {
-	return hasSucceeded(ps.state())
-}
-
-func (ps provisioningStatus) hasTerminated() bool {
-	return hasTerminated(ps.state())
-}
-
-func (ps provisioningStatus) hasProvisioningError() bool {
-	// code and message are required fields so only check them
-	return len(ps.ProvisioningError.Code) > 0 ||
-		len(ps.ProvisioningError.Message) > 0
-}
-
-// PollingMethodType defines a type used for enumerating polling mechanisms.
-type PollingMethodType string
-
-const (
-	// PollingAsyncOperation indicates the polling method uses the Azure-AsyncOperation header.
-	PollingAsyncOperation PollingMethodType = "AsyncOperation"
-
-	// PollingLocation indicates the polling method uses the Location header.
-	PollingLocation PollingMethodType = "Location"
-
-	// PollingUnknown indicates an unknown polling method and is the default value.
-	PollingUnknown PollingMethodType = ""
-)
-
-type pollingState struct {
-	PollingMethod PollingMethodType `json:"pollingMethod"`
-	URI           string            `json:"uri"`
-	State         string            `json:"state"`
-	ServiceError  *ServiceError     `json:"error,omitempty"`
-}
-
-func (ps pollingState) hasSucceeded() bool {
-	return hasSucceeded(ps.State)
-}
-
-func (ps pollingState) hasTerminated() bool {
-	return hasTerminated(ps.State)
-}
-
-func (ps pollingState) hasFailed() bool {
-	return hasFailed(ps.State)
-}
-
-func (ps pollingState) Error() string {
-	s := fmt.Sprintf("Long running operation terminated with status '%s'", ps.State)
-	if ps.ServiceError != nil {
-		s = fmt.Sprintf("%s: %+v", s, *ps.ServiceError)
-	}
-	return s
-}
-
-//	updatePollingState maps the operation status -- retrieved from either a provisioningState
-// 	field, the status field of an OperationResource, or inferred from the HTTP status code --
-// 	into a well-known states. Since the process begins from the initial request, the state
-//	always comes from either a the provisioningState returned or is inferred from the HTTP
-//	status code. Subsequent requests will read an Azure OperationResource object if the
-//	service initially returned the Azure-AsyncOperation header. The responseFormat field notes
-//	the expected response format.
-func updatePollingState(resp *http.Response, ps *pollingState) error {
-	// Determine the response shape
-	// -- The first response will always be a provisioningStatus response; only the polling requests,
-	//    depending on the header returned, may be something otherwise.
-	var pt provisioningTracker
-	if ps.PollingMethod == PollingAsyncOperation {
-		pt = &operationResource{}
-	} else {
-		pt = &provisioningStatus{}
-	}
-
-	// If this is the first request (that is, the polling response shape is unknown), determine how
-	// to poll and what to expect
-	if ps.PollingMethod == PollingUnknown {
-		req := resp.Request
-		if req == nil {
-			return autorest.NewError("azure", "updatePollingState", "Azure Polling Error - Original HTTP request is missing")
-		}
-
-		// Prefer the Azure-AsyncOperation header
-		ps.URI = getAsyncOperation(resp)
-		if ps.URI != "" {
-			ps.PollingMethod = PollingAsyncOperation
-		} else {
-			ps.PollingMethod = PollingLocation
-		}
-
-		// Else, use the Location header
-		if ps.URI == "" {
-			ps.URI = autorest.GetLocation(resp)
-		}
-
-		// Lastly, requests against an existing resource, use the last request URI
-		if ps.URI == "" {
-			m := strings.ToUpper(req.Method)
-			if m == http.MethodPatch || m == http.MethodPut || m == http.MethodGet {
-				ps.URI = req.URL.String()
-			}
-		}
-	}
-
-	// Read and interpret the response (saving the Body in case no polling is necessary)
-	b := &bytes.Buffer{}
-	err := autorest.Respond(resp,
-		autorest.ByCopying(b),
-		autorest.ByUnmarshallingJSON(pt),
-		autorest.ByClosing())
-	resp.Body = ioutil.NopCloser(b)
-	if err != nil {
-		return err
-	}
-
-	// Interpret the results
-	// -- Terminal states apply regardless
-	// -- Unknown states are per-service inprogress states
-	// -- Otherwise, infer state from HTTP status code
-	if pt.hasTerminated() {
-		ps.State = pt.state()
-	} else if pt.state() != "" {
-		ps.State = operationInProgress
-	} else {
-		switch resp.StatusCode {
-		case http.StatusAccepted:
-			ps.State = operationInProgress
-
-		case http.StatusNoContent, http.StatusCreated, http.StatusOK:
-			ps.State = operationSucceeded
-
-		default:
-			ps.State = operationFailed
-		}
-	}
-
-	if strings.EqualFold(ps.State, operationInProgress) && ps.URI == "" {
-		return autorest.NewError("azure", "updatePollingState", "Azure Polling Error - Unable to obtain polling URI for %s %s", resp.Request.Method, resp.Request.URL)
-	}
-
-	// For failed operation, check for error code and message in
-	// -- Operation resource
-	// -- Response
-	// -- Otherwise, Unknown
-	if ps.hasFailed() {
-		if or, ok := pt.(*operationResource); ok {
-			ps.ServiceError = &or.OperationError
-		} else if p, ok := pt.(*provisioningStatus); ok && p.hasProvisioningError() {
-			ps.ServiceError = &p.ProvisioningError
-		} else {
-			ps.ServiceError = &ServiceError{
-				Code:    "Unknown",
-				Message: "None",
-			}
-		}
-	}
-	return nil
-}
-
-func newPollingRequest(ps pollingState) (*http.Request, error) {
-	reqPoll, err := autorest.Prepare(&http.Request{},
-		autorest.AsGet(),
-		autorest.WithBaseURL(ps.URI))
-	if err != nil {
-		return nil, autorest.NewErrorWithError(err, "azure", "newPollingRequest", nil, "Failure creating poll request to %s", ps.URI)
-	}
-
-	return reqPoll, nil
-}
-
-// AsyncOpIncompleteError is the type that's returned from a future that has not completed.
-type AsyncOpIncompleteError struct {
-	// FutureType is the name of the type composed of a azure.Future.
-	FutureType string
-}
-
-// Error returns an error message including the originating type name of the error.
-func (e AsyncOpIncompleteError) Error() string {
-	return fmt.Sprintf("%s: asynchronous operation has not completed", e.FutureType)
-}
-
-// NewAsyncOpIncompleteError creates a new AsyncOpIncompleteError with the specified parameters.
-func NewAsyncOpIncompleteError(futureType string) AsyncOpIncompleteError {
-	return AsyncOpIncompleteError{
-		FutureType: futureType,
-	}
-}

vendor/github.com/Azure/go-autorest/autorest/azure/azure.go

@@ -1,301 +0,0 @@
-// Package azure provides Azure-specific implementations used with AutoRest.
-// See the included examples for more detail.
-package azure
-
-// Copyright 2017 Microsoft Corporation
-//
-//  Licensed under the Apache License, Version 2.0 (the "License");
-//  you may not use this file except in compliance with the License.
-//  You may obtain a copy of the License at
-//
-//      http://www.apache.org/licenses/LICENSE-2.0
-//
-//  Unless required by applicable law or agreed to in writing, software
-//  distributed under the License is distributed on an "AS IS" BASIS,
-//  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-//  See the License for the specific language governing permissions and
-//  limitations under the License.
-
-import (
-	"encoding/json"
-	"fmt"
-	"io/ioutil"
-	"net/http"
-	"regexp"
-	"strconv"
-	"strings"
-
-	"github.com/Azure/go-autorest/autorest"
-)
-
-const (
-	// HeaderClientID is the Azure extension header to set a user-specified request ID.
-	HeaderClientID = "x-ms-client-request-id"
-
-	// HeaderReturnClientID is the Azure extension header to set if the user-specified request ID
-	// should be included in the response.
-	HeaderReturnClientID = "x-ms-return-client-request-id"
-
-	// HeaderRequestID is the Azure extension header of the service generated request ID returned
-	// in the response.
-	HeaderRequestID = "x-ms-request-id"
-)
-
-// ServiceError encapsulates the error response from an Azure service.
-// It adhears to the OData v4 specification for error responses.
-type ServiceError struct {
-	Code       string                   `json:"code"`
-	Message    string                   `json:"message"`
-	Target     *string                  `json:"target"`
-	Details    []map[string]interface{} `json:"details"`
-	InnerError map[string]interface{}   `json:"innererror"`
-}
-
-func (se ServiceError) Error() string {
-	result := fmt.Sprintf("Code=%q Message=%q", se.Code, se.Message)
-
-	if se.Target != nil {
-		result += fmt.Sprintf(" Target=%q", *se.Target)
-	}
-
-	if se.Details != nil {
-		d, err := json.Marshal(se.Details)
-		if err != nil {
-			result += fmt.Sprintf(" Details=%v", se.Details)
-		}
-		result += fmt.Sprintf(" Details=%v", string(d))
-	}
-
-	if se.InnerError != nil {
-		d, err := json.Marshal(se.InnerError)
-		if err != nil {
-			result += fmt.Sprintf(" InnerError=%v", se.InnerError)
-		}
-		result += fmt.Sprintf(" InnerError=%v", string(d))
-	}
-
-	return result
-}
-
-// UnmarshalJSON implements the json.Unmarshaler interface for the ServiceError type.
-func (se *ServiceError) UnmarshalJSON(b []byte) error {
-	// per the OData v4 spec the details field must be an array of JSON objects.
-	// unfortunately not all services adhear to the spec and just return a single
-	// object instead of an array with one object.  so we have to perform some
-	// shenanigans to accommodate both cases.
-	// http://docs.oasis-open.org/odata/odata-json-format/v4.0/os/odata-json-format-v4.0-os.html#_Toc372793091
-
-	type serviceError1 struct {
-		Code       string                   `json:"code"`
-		Message    string                   `json:"message"`
-		Target     *string                  `json:"target"`
-		Details    []map[string]interface{} `json:"details"`
-		InnerError map[string]interface{}   `json:"innererror"`
-	}
-
-	type serviceError2 struct {
-		Code       string                 `json:"code"`
-		Message    string                 `json:"message"`
-		Target     *string                `json:"target"`
-		Details    map[string]interface{} `json:"details"`
-		InnerError map[string]interface{} `json:"innererror"`
-	}
-
-	se1 := serviceError1{}
-	err := json.Unmarshal(b, &se1)
-	if err == nil {
-		se.populate(se1.Code, se1.Message, se1.Target, se1.Details, se1.InnerError)
-		return nil
-	}
-
-	se2 := serviceError2{}
-	err = json.Unmarshal(b, &se2)
-	if err == nil {
-		se.populate(se2.Code, se2.Message, se2.Target, nil, se2.InnerError)
-		se.Details = append(se.Details, se2.Details)
-		return nil
-	}
-	return err
-}
-
-func (se *ServiceError) populate(code, message string, target *string, details []map[string]interface{}, inner map[string]interface{}) {
-	se.Code = code
-	se.Message = message
-	se.Target = target
-	se.Details = details
-	se.InnerError = inner
-}
-
-// RequestError describes an error response returned by Azure service.
-type RequestError struct {
-	autorest.DetailedError
-
-	// The error returned by the Azure service.
-	ServiceError *ServiceError `json:"error"`
-
-	// The request id (from the x-ms-request-id-header) of the request.
-	RequestID string
-}
-
-// Error returns a human-friendly error message from service error.
-func (e RequestError) Error() string {
-	return fmt.Sprintf("autorest/azure: Service returned an error. Status=%v %v",
-		e.StatusCode, e.ServiceError)
-}
-
-// IsAzureError returns true if the passed error is an Azure Service error; false otherwise.
-func IsAzureError(e error) bool {
-	_, ok := e.(*RequestError)
-	return ok
-}
-
-// Resource contains details about an Azure resource.
-type Resource struct {
-	SubscriptionID string
-	ResourceGroup  string
-	Provider       string
-	ResourceType   string
-	ResourceName   string
-}
-
-// ParseResourceID parses a resource ID into a ResourceDetails struct.
-// See https://docs.microsoft.com/en-us/azure/azure-resource-manager/resource-group-template-functions-resource#return-value-4.
-func ParseResourceID(resourceID string) (Resource, error) {
-
-	const resourceIDPatternText = `(?i)subscriptions/(.+)/resourceGroups/(.+)/providers/(.+?)/(.+?)/(.+)`
-	resourceIDPattern := regexp.MustCompile(resourceIDPatternText)
-	match := resourceIDPattern.FindStringSubmatch(resourceID)
-
-	if len(match) == 0 {
-		return Resource{}, fmt.Errorf("parsing failed for %s. Invalid resource Id format", resourceID)
-	}
-
-	v := strings.Split(match[5], "/")
-	resourceName := v[len(v)-1]
-
-	result := Resource{
-		SubscriptionID: match[1],
-		ResourceGroup:  match[2],
-		Provider:       match[3],
-		ResourceType:   match[4],
-		ResourceName:   resourceName,
-	}
-
-	return result, nil
-}
-
-// NewErrorWithError creates a new Error conforming object from the
-// passed packageType, method, statusCode of the given resp (UndefinedStatusCode
-// if resp is nil), message, and original error. message is treated as a format
-// string to which the optional args apply.
-func NewErrorWithError(original error, packageType string, method string, resp *http.Response, message string, args ...interface{}) RequestError {
-	if v, ok := original.(*RequestError); ok {
-		return *v
-	}
-
-	statusCode := autorest.UndefinedStatusCode
-	if resp != nil {
-		statusCode = resp.StatusCode
-	}
-	return RequestError{
-		DetailedError: autorest.DetailedError{
-			Original:    original,
-			PackageType: packageType,
-			Method:      method,
-			StatusCode:  statusCode,
-			Message:     fmt.Sprintf(message, args...),
-		},
-	}
-}
-
-// WithReturningClientID returns a PrepareDecorator that adds an HTTP extension header of
-// x-ms-client-request-id whose value is the passed, undecorated UUID (e.g.,
-// "0F39878C-5F76-4DB8-A25D-61D2C193C3CA"). It also sets the x-ms-return-client-request-id
-// header to true such that UUID accompanies the http.Response.
-func WithReturningClientID(uuid string) autorest.PrepareDecorator {
-	preparer := autorest.CreatePreparer(
-		WithClientID(uuid),
-		WithReturnClientID(true))
-
-	return func(p autorest.Preparer) autorest.Preparer {
-		return autorest.PreparerFunc(func(r *http.Request) (*http.Request, error) {
-			r, err := p.Prepare(r)
-			if err != nil {
-				return r, err
-			}
-			return preparer.Prepare(r)
-		})
-	}
-}
-
-// WithClientID returns a PrepareDecorator that adds an HTTP extension header of
-// x-ms-client-request-id whose value is passed, undecorated UUID (e.g.,
-// "0F39878C-5F76-4DB8-A25D-61D2C193C3CA").
-func WithClientID(uuid string) autorest.PrepareDecorator {
-	return autorest.WithHeader(HeaderClientID, uuid)
-}
-
-// WithReturnClientID returns a PrepareDecorator that adds an HTTP extension header of
-// x-ms-return-client-request-id whose boolean value indicates if the value of the
-// x-ms-client-request-id header should be included in the http.Response.
-func WithReturnClientID(b bool) autorest.PrepareDecorator {
-	return autorest.WithHeader(HeaderReturnClientID, strconv.FormatBool(b))
-}
-
-// ExtractClientID extracts the client identifier from the x-ms-client-request-id header set on the
-// http.Request sent to the service (and returned in the http.Response)
-func ExtractClientID(resp *http.Response) string {
-	return autorest.ExtractHeaderValue(HeaderClientID, resp)
-}
-
-// ExtractRequestID extracts the Azure server generated request identifier from the
-// x-ms-request-id header.
-func ExtractRequestID(resp *http.Response) string {
-	return autorest.ExtractHeaderValue(HeaderRequestID, resp)
-}
-
-// WithErrorUnlessStatusCode returns a RespondDecorator that emits an
-// azure.RequestError by reading the response body unless the response HTTP status code
-// is among the set passed.
-//
-// If there is a chance service may return responses other than the Azure error
-// format and the response cannot be parsed into an error, a decoding error will
-// be returned containing the response body. In any case, the Responder will
-// return an error if the status code is not satisfied.
-//
-// If this Responder returns an error, the response body will be replaced with
-// an in-memory reader, which needs no further closing.
-func WithErrorUnlessStatusCode(codes ...int) autorest.RespondDecorator {
-	return func(r autorest.Responder) autorest.Responder {
-		return autorest.ResponderFunc(func(resp *http.Response) error {
-			err := r.Respond(resp)
-			if err == nil && !autorest.ResponseHasStatusCode(resp, codes...) {
-				var e RequestError
-				defer resp.Body.Close()
-
-				// Copy and replace the Body in case it does not contain an error object.
-				// This will leave the Body available to the caller.
-				b, decodeErr := autorest.CopyAndDecode(autorest.EncodedAsJSON, resp.Body, &e)
-				resp.Body = ioutil.NopCloser(&b)
-				if decodeErr != nil {
-					return fmt.Errorf("autorest/azure: error response cannot be parsed: %q error: %v", b.String(), decodeErr)
-				} else if e.ServiceError == nil {
-					// Check if error is unwrapped ServiceError
-					if err := json.Unmarshal(b.Bytes(), &e.ServiceError); err != nil || e.ServiceError.Message == "" {
-						e.ServiceError = &ServiceError{
-							Code:    "Unknown",
-							Message: "Unknown service error",
-						}
-					}
-				}
-
-				e.RequestID = ExtractRequestID(resp)
-				if e.StatusCode == nil {
-					e.StatusCode = resp.StatusCode
-				}
-				err = &e
-			}
-			return err
-		})
-	}
-}

vendor/github.com/Azure/go-autorest/autorest/azure/environments.go

@@ -1,191 +0,0 @@
-package azure
-
-// Copyright 2017 Microsoft Corporation
-//
-//  Licensed under the Apache License, Version 2.0 (the "License");
-//  you may not use this file except in compliance with the License.
-//  You may obtain a copy of the License at
-//
-//      http://www.apache.org/licenses/LICENSE-2.0
-//
-//  Unless required by applicable law or agreed to in writing, software
-//  distributed under the License is distributed on an "AS IS" BASIS,
-//  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-//  See the License for the specific language governing permissions and
-//  limitations under the License.
-
-import (
-	"encoding/json"
-	"fmt"
-	"io/ioutil"
-	"os"
-	"strings"
-)
-
-// EnvironmentFilepathName captures the name of the environment variable containing the path to the file
-// to be used while populating the Azure Environment.
-const EnvironmentFilepathName = "AZURE_ENVIRONMENT_FILEPATH"
-
-var environments = map[string]Environment{
-	"AZURECHINACLOUD":        ChinaCloud,
-	"AZUREGERMANCLOUD":       GermanCloud,
-	"AZUREPUBLICCLOUD":       PublicCloud,
-	"AZUREUSGOVERNMENTCLOUD": USGovernmentCloud,
-}
-
-// Environment represents a set of endpoints for each of Azure's Clouds.
-type Environment struct {
-	Name                         string `json:"name"`
-	ManagementPortalURL          string `json:"managementPortalURL"`
-	PublishSettingsURL           string `json:"publishSettingsURL"`
-	ServiceManagementEndpoint    string `json:"serviceManagementEndpoint"`
-	ResourceManagerEndpoint      string `json:"resourceManagerEndpoint"`
-	ActiveDirectoryEndpoint      string `json:"activeDirectoryEndpoint"`
-	GalleryEndpoint              string `json:"galleryEndpoint"`
-	KeyVaultEndpoint             string `json:"keyVaultEndpoint"`
-	GraphEndpoint                string `json:"graphEndpoint"`
-	ServiceBusEndpoint           string `json:"serviceBusEndpoint"`
-	BatchManagementEndpoint      string `json:"batchManagementEndpoint"`
-	StorageEndpointSuffix        string `json:"storageEndpointSuffix"`
-	SQLDatabaseDNSSuffix         string `json:"sqlDatabaseDNSSuffix"`
-	TrafficManagerDNSSuffix      string `json:"trafficManagerDNSSuffix"`
-	KeyVaultDNSSuffix            string `json:"keyVaultDNSSuffix"`
-	ServiceBusEndpointSuffix     string `json:"serviceBusEndpointSuffix"`
-	ServiceManagementVMDNSSuffix string `json:"serviceManagementVMDNSSuffix"`
-	ResourceManagerVMDNSSuffix   string `json:"resourceManagerVMDNSSuffix"`
-	ContainerRegistryDNSSuffix   string `json:"containerRegistryDNSSuffix"`
-	TokenAudience                string `json:"tokenAudience"`
-}
-
-var (
-	// PublicCloud is the default public Azure cloud environment
-	PublicCloud = Environment{
-		Name:                         "AzurePublicCloud",
-		ManagementPortalURL:          "https://manage.windowsazure.com/",
-		PublishSettingsURL:           "https://manage.windowsazure.com/publishsettings/index",
-		ServiceManagementEndpoint:    "https://management.core.windows.net/",
-		ResourceManagerEndpoint:      "https://management.azure.com/",
-		ActiveDirectoryEndpoint:      "https://login.microsoftonline.com/",
-		GalleryEndpoint:              "https://gallery.azure.com/",
-		KeyVaultEndpoint:             "https://vault.azure.net/",
-		GraphEndpoint:                "https://graph.windows.net/",
-		ServiceBusEndpoint:           "https://servicebus.windows.net/",
-		BatchManagementEndpoint:      "https://batch.core.windows.net/",
-		StorageEndpointSuffix:        "core.windows.net",
-		SQLDatabaseDNSSuffix:         "database.windows.net",
-		TrafficManagerDNSSuffix:      "trafficmanager.net",
-		KeyVaultDNSSuffix:            "vault.azure.net",
-		ServiceBusEndpointSuffix:     "servicebus.windows.net",
-		ServiceManagementVMDNSSuffix: "cloudapp.net",
-		ResourceManagerVMDNSSuffix:   "cloudapp.azure.com",
-		ContainerRegistryDNSSuffix:   "azurecr.io",
-		TokenAudience:                "https://management.azure.com/",
-	}
-
-	// USGovernmentCloud is the cloud environment for the US Government
-	USGovernmentCloud = Environment{
-		Name:                         "AzureUSGovernmentCloud",
-		ManagementPortalURL:          "https://manage.windowsazure.us/",
-		PublishSettingsURL:           "https://manage.windowsazure.us/publishsettings/index",
-		ServiceManagementEndpoint:    "https://management.core.usgovcloudapi.net/",
-		ResourceManagerEndpoint:      "https://management.usgovcloudapi.net/",
-		ActiveDirectoryEndpoint:      "https://login.microsoftonline.us/",
-		GalleryEndpoint:              "https://gallery.usgovcloudapi.net/",
-		KeyVaultEndpoint:             "https://vault.usgovcloudapi.net/",
-		GraphEndpoint:                "https://graph.windows.net/",
-		ServiceBusEndpoint:           "https://servicebus.usgovcloudapi.net/",
-		BatchManagementEndpoint:      "https://batch.core.usgovcloudapi.net/",
-		StorageEndpointSuffix:        "core.usgovcloudapi.net",
-		SQLDatabaseDNSSuffix:         "database.usgovcloudapi.net",
-		TrafficManagerDNSSuffix:      "usgovtrafficmanager.net",
-		KeyVaultDNSSuffix:            "vault.usgovcloudapi.net",
-		ServiceBusEndpointSuffix:     "servicebus.usgovcloudapi.net",
-		ServiceManagementVMDNSSuffix: "usgovcloudapp.net",
-		ResourceManagerVMDNSSuffix:   "cloudapp.windowsazure.us",
-		ContainerRegistryDNSSuffix:   "azurecr.io",
-		TokenAudience:                "https://management.usgovcloudapi.net/",
-	}
-
-	// ChinaCloud is the cloud environment operated in China
-	ChinaCloud = Environment{
-		Name:                         "AzureChinaCloud",
-		ManagementPortalURL:          "https://manage.chinacloudapi.com/",
-		PublishSettingsURL:           "https://manage.chinacloudapi.com/publishsettings/index",
-		ServiceManagementEndpoint:    "https://management.core.chinacloudapi.cn/",
-		ResourceManagerEndpoint:      "https://management.chinacloudapi.cn/",
-		ActiveDirectoryEndpoint:      "https://login.chinacloudapi.cn/",
-		GalleryEndpoint:              "https://gallery.chinacloudapi.cn/",
-		KeyVaultEndpoint:             "https://vault.azure.cn/",
-		GraphEndpoint:                "https://graph.chinacloudapi.cn/",
-		ServiceBusEndpoint:           "https://servicebus.chinacloudapi.cn/",
-		BatchManagementEndpoint:      "https://batch.chinacloudapi.cn/",
-		StorageEndpointSuffix:        "core.chinacloudapi.cn",
-		SQLDatabaseDNSSuffix:         "database.chinacloudapi.cn",
-		TrafficManagerDNSSuffix:      "trafficmanager.cn",
-		KeyVaultDNSSuffix:            "vault.azure.cn",
-		ServiceBusEndpointSuffix:     "servicebus.chinacloudapi.cn",
-		ServiceManagementVMDNSSuffix: "chinacloudapp.cn",
-		ResourceManagerVMDNSSuffix:   "cloudapp.azure.cn",
-		ContainerRegistryDNSSuffix:   "azurecr.io",
-		TokenAudience:                "https://management.chinacloudapi.cn/",
-	}
-
-	// GermanCloud is the cloud environment operated in Germany
-	GermanCloud = Environment{
-		Name:                         "AzureGermanCloud",
-		ManagementPortalURL:          "http://portal.microsoftazure.de/",
-		PublishSettingsURL:           "https://manage.microsoftazure.de/publishsettings/index",
-		ServiceManagementEndpoint:    "https://management.core.cloudapi.de/",
-		ResourceManagerEndpoint:      "https://management.microsoftazure.de/",
-		ActiveDirectoryEndpoint:      "https://login.microsoftonline.de/",
-		GalleryEndpoint:              "https://gallery.cloudapi.de/",
-		KeyVaultEndpoint:             "https://vault.microsoftazure.de/",
-		GraphEndpoint:                "https://graph.cloudapi.de/",
-		ServiceBusEndpoint:           "https://servicebus.cloudapi.de/",
-		BatchManagementEndpoint:      "https://batch.cloudapi.de/",
-		StorageEndpointSuffix:        "core.cloudapi.de",
-		SQLDatabaseDNSSuffix:         "database.cloudapi.de",
-		TrafficManagerDNSSuffix:      "azuretrafficmanager.de",
-		KeyVaultDNSSuffix:            "vault.microsoftazure.de",
-		ServiceBusEndpointSuffix:     "servicebus.cloudapi.de",
-		ServiceManagementVMDNSSuffix: "azurecloudapp.de",
-		ResourceManagerVMDNSSuffix:   "cloudapp.microsoftazure.de",
-		ContainerRegistryDNSSuffix:   "azurecr.io",
-		TokenAudience:                "https://management.microsoftazure.de/",
-	}
-)
-
-// EnvironmentFromName returns an Environment based on the common name specified.
-func EnvironmentFromName(name string) (Environment, error) {
-	// IMPORTANT
-	// As per @radhikagupta5:
-	// This is technical debt, fundamentally here because Kubernetes is not currently accepting
-	// contributions to the providers. Once that is an option, the provider should be updated to
-	// directly call `EnvironmentFromFile`. Until then, we rely on dispatching Azure Stack environment creation
-	// from this method based on the name that is provided to us.
-	if strings.EqualFold(name, "AZURESTACKCLOUD") {
-		return EnvironmentFromFile(os.Getenv(EnvironmentFilepathName))
-	}
-
-	name = strings.ToUpper(name)
-	env, ok := environments[name]
-	if !ok {
-		return env, fmt.Errorf("autorest/azure: There is no cloud environment matching the name %q", name)
-	}
-
-	return env, nil
-}
-
-// EnvironmentFromFile loads an Environment from a configuration file available on disk.
-// This function is particularly useful in the Hybrid Cloud model, where one must define their own
-// endpoints.
-func EnvironmentFromFile(location string) (unmarshaled Environment, err error) {
-	fileContents, err := ioutil.ReadFile(location)
-	if err != nil {
-		return
-	}
-
-	err = json.Unmarshal(fileContents, &unmarshaled)
-
-	return
-}

vendor/github.com/Azure/go-autorest/autorest/azure/metadata_environment.go

@@ -1,245 +0,0 @@
-package azure
-
-import (
-	"encoding/json"
-	"fmt"
-	"io/ioutil"
-	"net/http"
-	"strings"
-
-	"github.com/Azure/go-autorest/autorest"
-)
-
-// Copyright 2017 Microsoft Corporation
-//
-//  Licensed under the Apache License, Version 2.0 (the "License");
-//  you may not use this file except in compliance with the License.
-//  You may obtain a copy of the License at
-//
-//      http://www.apache.org/licenses/LICENSE-2.0
-//
-//  Unless required by applicable law or agreed to in writing, software
-//  distributed under the License is distributed on an "AS IS" BASIS,
-//  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-//  See the License for the specific language governing permissions and
-//  limitations under the License.
-
-type audience []string
-
-type authentication struct {
-	LoginEndpoint string   `json:"loginEndpoint"`
-	Audiences     audience `json:"audiences"`
-}
-
-type environmentMetadataInfo struct {
-	GalleryEndpoint string         `json:"galleryEndpoint"`
-	GraphEndpoint   string         `json:"graphEndpoint"`
-	PortalEndpoint  string         `json:"portalEndpoint"`
-	Authentication  authentication `json:"authentication"`
-}
-
-// EnvironmentProperty represent property names that clients can override
-type EnvironmentProperty string
-
-const (
-	// EnvironmentName ...
-	EnvironmentName EnvironmentProperty = "name"
-	// EnvironmentManagementPortalURL ..
-	EnvironmentManagementPortalURL EnvironmentProperty = "managementPortalURL"
-	// EnvironmentPublishSettingsURL ...
-	EnvironmentPublishSettingsURL EnvironmentProperty = "publishSettingsURL"
-	// EnvironmentServiceManagementEndpoint ...
-	EnvironmentServiceManagementEndpoint EnvironmentProperty = "serviceManagementEndpoint"
-	// EnvironmentResourceManagerEndpoint ...
-	EnvironmentResourceManagerEndpoint EnvironmentProperty = "resourceManagerEndpoint"
-	// EnvironmentActiveDirectoryEndpoint ...
-	EnvironmentActiveDirectoryEndpoint EnvironmentProperty = "activeDirectoryEndpoint"
-	// EnvironmentGalleryEndpoint ...
-	EnvironmentGalleryEndpoint EnvironmentProperty = "galleryEndpoint"
-	// EnvironmentKeyVaultEndpoint ...
-	EnvironmentKeyVaultEndpoint EnvironmentProperty = "keyVaultEndpoint"
-	// EnvironmentGraphEndpoint ...
-	EnvironmentGraphEndpoint EnvironmentProperty = "graphEndpoint"
-	// EnvironmentServiceBusEndpoint ...
-	EnvironmentServiceBusEndpoint EnvironmentProperty = "serviceBusEndpoint"
-	// EnvironmentBatchManagementEndpoint ...
-	EnvironmentBatchManagementEndpoint EnvironmentProperty = "batchManagementEndpoint"
-	// EnvironmentStorageEndpointSuffix ...
-	EnvironmentStorageEndpointSuffix EnvironmentProperty = "storageEndpointSuffix"
-	// EnvironmentSQLDatabaseDNSSuffix ...
-	EnvironmentSQLDatabaseDNSSuffix EnvironmentProperty = "sqlDatabaseDNSSuffix"
-	// EnvironmentTrafficManagerDNSSuffix ...
-	EnvironmentTrafficManagerDNSSuffix EnvironmentProperty = "trafficManagerDNSSuffix"
-	// EnvironmentKeyVaultDNSSuffix ...
-	EnvironmentKeyVaultDNSSuffix EnvironmentProperty = "keyVaultDNSSuffix"
-	// EnvironmentServiceBusEndpointSuffix ...
-	EnvironmentServiceBusEndpointSuffix EnvironmentProperty = "serviceBusEndpointSuffix"
-	// EnvironmentServiceManagementVMDNSSuffix ...
-	EnvironmentServiceManagementVMDNSSuffix EnvironmentProperty = "serviceManagementVMDNSSuffix"
-	// EnvironmentResourceManagerVMDNSSuffix ...
-	EnvironmentResourceManagerVMDNSSuffix EnvironmentProperty = "resourceManagerVMDNSSuffix"
-	// EnvironmentContainerRegistryDNSSuffix ...
-	EnvironmentContainerRegistryDNSSuffix EnvironmentProperty = "containerRegistryDNSSuffix"
-	// EnvironmentTokenAudience ...
-	EnvironmentTokenAudience EnvironmentProperty = "tokenAudience"
-)
-
-// OverrideProperty represents property name and value that clients can override
-type OverrideProperty struct {
-	Key   EnvironmentProperty
-	Value string
-}
-
-// EnvironmentFromURL loads an Environment from a URL
-// This function is particularly useful in the Hybrid Cloud model, where one may define their own
-// endpoints.
-func EnvironmentFromURL(resourceManagerEndpoint string, properties ...OverrideProperty) (environment Environment, err error) {
-	var metadataEnvProperties environmentMetadataInfo
-
-	if resourceManagerEndpoint == "" {
-		return environment, fmt.Errorf("Metadata resource manager endpoint is empty")
-	}
-
-	if metadataEnvProperties, err = retrieveMetadataEnvironment(resourceManagerEndpoint); err != nil {
-		return environment, err
-	}
-
-	// Give priority to user's override values
-	overrideProperties(&environment, properties)
-
-	if environment.Name == "" {
-		environment.Name = "HybridEnvironment"
-	}
-	stampDNSSuffix := environment.StorageEndpointSuffix
-	if stampDNSSuffix == "" {
-		stampDNSSuffix = strings.TrimSuffix(strings.TrimPrefix(strings.Replace(resourceManagerEndpoint, strings.Split(resourceManagerEndpoint, ".")[0], "", 1), "."), "/")
-		environment.StorageEndpointSuffix = stampDNSSuffix
-	}
-	if environment.KeyVaultDNSSuffix == "" {
-		environment.KeyVaultDNSSuffix = fmt.Sprintf("%s.%s", "vault", stampDNSSuffix)
-	}
-	if environment.KeyVaultEndpoint == "" {
-		environment.KeyVaultEndpoint = fmt.Sprintf("%s%s", "https://", environment.KeyVaultDNSSuffix)
-	}
-	if environment.TokenAudience == "" {
-		environment.TokenAudience = metadataEnvProperties.Authentication.Audiences[0]
-	}
-	if environment.ActiveDirectoryEndpoint == "" {
-		environment.ActiveDirectoryEndpoint = metadataEnvProperties.Authentication.LoginEndpoint
-	}
-	if environment.ResourceManagerEndpoint == "" {
-		environment.ResourceManagerEndpoint = resourceManagerEndpoint
-	}
-	if environment.GalleryEndpoint == "" {
-		environment.GalleryEndpoint = metadataEnvProperties.GalleryEndpoint
-	}
-	if environment.GraphEndpoint == "" {
-		environment.GraphEndpoint = metadataEnvProperties.GraphEndpoint
-	}
-
-	return environment, nil
-}
-
-func overrideProperties(environment *Environment, properties []OverrideProperty) {
-	for _, property := range properties {
-		switch property.Key {
-		case EnvironmentName:
-			{
-				environment.Name = property.Value
-			}
-		case EnvironmentManagementPortalURL:
-			{
-				environment.ManagementPortalURL = property.Value
-			}
-		case EnvironmentPublishSettingsURL:
-			{
-				environment.PublishSettingsURL = property.Value
-			}
-		case EnvironmentServiceManagementEndpoint:
-			{
-				environment.ServiceManagementEndpoint = property.Value
-			}
-		case EnvironmentResourceManagerEndpoint:
-			{
-				environment.ResourceManagerEndpoint = property.Value
-			}
-		case EnvironmentActiveDirectoryEndpoint:
-			{
-				environment.ActiveDirectoryEndpoint = property.Value
-			}
-		case EnvironmentGalleryEndpoint:
-			{
-				environment.GalleryEndpoint = property.Value
-			}
-		case EnvironmentKeyVaultEndpoint:
-			{
-				environment.KeyVaultEndpoint = property.Value
-			}
-		case EnvironmentGraphEndpoint:
-			{
-				environment.GraphEndpoint = property.Value
-			}
-		case EnvironmentServiceBusEndpoint:
-			{
-				environment.ServiceBusEndpoint = property.Value
-			}
-		case EnvironmentBatchManagementEndpoint:
-			{
-				environment.BatchManagementEndpoint = property.Value
-			}
-		case EnvironmentStorageEndpointSuffix:
-			{
-				environment.StorageEndpointSuffix = property.Value
-			}
-		case EnvironmentSQLDatabaseDNSSuffix:
-			{
-				environment.SQLDatabaseDNSSuffix = property.Value
-			}
-		case EnvironmentTrafficManagerDNSSuffix:
-			{
-				environment.TrafficManagerDNSSuffix = property.Value
-			}
-		case EnvironmentKeyVaultDNSSuffix:
-			{
-				environment.KeyVaultDNSSuffix = property.Value
-			}
-		case EnvironmentServiceBusEndpointSuffix:
-			{
-				environment.ServiceBusEndpointSuffix = property.Value
-			}
-		case EnvironmentServiceManagementVMDNSSuffix:
-			{
-				environment.ServiceManagementVMDNSSuffix = property.Value
-			}
-		case EnvironmentResourceManagerVMDNSSuffix:
-			{
-				environment.ResourceManagerVMDNSSuffix = property.Value
-			}
-		case EnvironmentContainerRegistryDNSSuffix:
-			{
-				environment.ContainerRegistryDNSSuffix = property.Value
-			}
-		case EnvironmentTokenAudience:
-			{
-				environment.TokenAudience = property.Value
-			}
-		}
-	}
-}
-
-func retrieveMetadataEnvironment(endpoint string) (environment environmentMetadataInfo, err error) {
-	client := autorest.NewClientWithUserAgent("")
-	managementEndpoint := fmt.Sprintf("%s%s", strings.TrimSuffix(endpoint, "/"), "/metadata/endpoints?api-version=1.0")
-	req, _ := http.NewRequest("GET", managementEndpoint, nil)
-	response, err := client.Do(req)
-	if err != nil {
-		return environment, err
-	}
-	defer response.Body.Close()
-	jsonResponse, err := ioutil.ReadAll(response.Body)
-	if err != nil {
-		return environment, err
-	}
-	err = json.Unmarshal(jsonResponse, &environment)
-	return environment, err
-}

vendor/github.com/Azure/go-autorest/autorest/azure/rp.go

@@ -1,200 +0,0 @@
-// Copyright 2017 Microsoft Corporation
-//
-//  Licensed under the Apache License, Version 2.0 (the "License");
-//  you may not use this file except in compliance with the License.
-//  You may obtain a copy of the License at
-//
-//      http://www.apache.org/licenses/LICENSE-2.0
-//
-//  Unless required by applicable law or agreed to in writing, software
-//  distributed under the License is distributed on an "AS IS" BASIS,
-//  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-//  See the License for the specific language governing permissions and
-//  limitations under the License.
-
-package azure
-
-import (
-	"errors"
-	"fmt"
-	"net/http"
-	"net/url"
-	"strings"
-	"time"
-
-	"github.com/Azure/go-autorest/autorest"
-)
-
-// DoRetryWithRegistration tries to register the resource provider in case it is unregistered.
-// It also handles request retries
-func DoRetryWithRegistration(client autorest.Client) autorest.SendDecorator {
-	return func(s autorest.Sender) autorest.Sender {
-		return autorest.SenderFunc(func(r *http.Request) (resp *http.Response, err error) {
-			rr := autorest.NewRetriableRequest(r)
-			for currentAttempt := 0; currentAttempt < client.RetryAttempts; currentAttempt++ {
-				err = rr.Prepare()
-				if err != nil {
-					return resp, err
-				}
-
-				resp, err = autorest.SendWithSender(s, rr.Request(),
-					autorest.DoRetryForStatusCodes(client.RetryAttempts, client.RetryDuration, autorest.StatusCodesForRetry...),
-				)
-				if err != nil {
-					return resp, err
-				}
-
-				if resp.StatusCode != http.StatusConflict || client.SkipResourceProviderRegistration {
-					return resp, err
-				}
-				var re RequestError
-				err = autorest.Respond(
-					resp,
-					autorest.ByUnmarshallingJSON(&re),
-				)
-				if err != nil {
-					return resp, err
-				}
-				err = re
-
-				if re.ServiceError != nil && re.ServiceError.Code == "MissingSubscriptionRegistration" {
-					regErr := register(client, r, re)
-					if regErr != nil {
-						return resp, fmt.Errorf("failed auto registering Resource Provider: %s. Original error: %s", regErr, err)
-					}
-				}
-			}
-			return resp, fmt.Errorf("failed request: %s", err)
-		})
-	}
-}
-
-func getProvider(re RequestError) (string, error) {
-	if re.ServiceError != nil && len(re.ServiceError.Details) > 0 {
-		return re.ServiceError.Details[0]["target"].(string), nil
-	}
-	return "", errors.New("provider was not found in the response")
-}
-
-func register(client autorest.Client, originalReq *http.Request, re RequestError) error {
-	subID := getSubscription(originalReq.URL.Path)
-	if subID == "" {
-		return errors.New("missing parameter subscriptionID to register resource provider")
-	}
-	providerName, err := getProvider(re)
-	if err != nil {
-		return fmt.Errorf("missing parameter provider to register resource provider: %s", err)
-	}
-	newURL := url.URL{
-		Scheme: originalReq.URL.Scheme,
-		Host:   originalReq.URL.Host,
-	}
-
-	// taken from the resources SDK
-	// with almost identical code, this sections are easier to mantain
-	// It is also not a good idea to import the SDK here
-	// https://github.com/Azure/azure-sdk-for-go/blob/9f366792afa3e0ddaecdc860e793ba9d75e76c27/arm/resources/resources/providers.go#L252
-	pathParameters := map[string]interface{}{
-		"resourceProviderNamespace": autorest.Encode("path", providerName),
-		"subscriptionId":            autorest.Encode("path", subID),
-	}
-
-	const APIVersion = "2016-09-01"
-	queryParameters := map[string]interface{}{
-		"api-version": APIVersion,
-	}
-
-	preparer := autorest.CreatePreparer(
-		autorest.AsPost(),
-		autorest.WithBaseURL(newURL.String()),
-		autorest.WithPathParameters("/subscriptions/{subscriptionId}/providers/{resourceProviderNamespace}/register", pathParameters),
-		autorest.WithQueryParameters(queryParameters),
-	)
-
-	req, err := preparer.Prepare(&http.Request{})
-	if err != nil {
-		return err
-	}
-	req = req.WithContext(originalReq.Context())
-
-	resp, err := autorest.SendWithSender(client, req,
-		autorest.DoRetryForStatusCodes(client.RetryAttempts, client.RetryDuration, autorest.StatusCodesForRetry...),
-	)
-	if err != nil {
-		return err
-	}
-
-	type Provider struct {
-		RegistrationState *string `json:"registrationState,omitempty"`
-	}
-	var provider Provider
-
-	err = autorest.Respond(
-		resp,
-		WithErrorUnlessStatusCode(http.StatusOK),
-		autorest.ByUnmarshallingJSON(&provider),
-		autorest.ByClosing(),
-	)
-	if err != nil {
-		return err
-	}
-
-	// poll for registered provisioning state
-	now := time.Now()
-	for err == nil && time.Since(now) < client.PollingDuration {
-		// taken from the resources SDK
-		// https://github.com/Azure/azure-sdk-for-go/blob/9f366792afa3e0ddaecdc860e793ba9d75e76c27/arm/resources/resources/providers.go#L45
-		preparer := autorest.CreatePreparer(
-			autorest.AsGet(),
-			autorest.WithBaseURL(newURL.String()),
-			autorest.WithPathParameters("/subscriptions/{subscriptionId}/providers/{resourceProviderNamespace}", pathParameters),
-			autorest.WithQueryParameters(queryParameters),
-		)
-		req, err = preparer.Prepare(&http.Request{})
-		if err != nil {
-			return err
-		}
-		req = req.WithContext(originalReq.Context())
-
-		resp, err := autorest.SendWithSender(client, req,
-			autorest.DoRetryForStatusCodes(client.RetryAttempts, client.RetryDuration, autorest.StatusCodesForRetry...),
-		)
-		if err != nil {
-			return err
-		}
-
-		err = autorest.Respond(
-			resp,
-			WithErrorUnlessStatusCode(http.StatusOK),
-			autorest.ByUnmarshallingJSON(&provider),
-			autorest.ByClosing(),
-		)
-		if err != nil {
-			return err
-		}
-
-		if provider.RegistrationState != nil &&
-			*provider.RegistrationState == "Registered" {
-			break
-		}
-
-		delayed := autorest.DelayWithRetryAfter(resp, originalReq.Context().Done())
-		if !delayed && !autorest.DelayForBackoff(client.PollingDelay, 0, originalReq.Context().Done()) {
-			return originalReq.Context().Err()
-		}
-	}
-	if !(time.Since(now) < client.PollingDuration) {
-		return errors.New("polling for resource provider registration has exceeded the polling duration")
-	}
-	return err
-}
-
-func getSubscription(path string) string {
-	parts := strings.Split(path, "/")
-	for i, v := range parts {
-		if v == "subscriptions" && (i+1) < len(parts) {
-			return parts[i+1]
-		}
-	}
-	return ""
-}

vendor/github.com/Azure/go-autorest/autorest/client.go

@@ -1,264 +0,0 @@
-package autorest
-
-// Copyright 2017 Microsoft Corporation
-//
-//  Licensed under the Apache License, Version 2.0 (the "License");
-//  you may not use this file except in compliance with the License.
-//  You may obtain a copy of the License at
-//
-//      http://www.apache.org/licenses/LICENSE-2.0
-//
-//  Unless required by applicable law or agreed to in writing, software
-//  distributed under the License is distributed on an "AS IS" BASIS,
-//  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-//  See the License for the specific language governing permissions and
-//  limitations under the License.
-
-import (
-	"bytes"
-	"fmt"
-	"io"
-	"io/ioutil"
-	"log"
-	"net/http"
-	"net/http/cookiejar"
-	"runtime"
-	"time"
-)
-
-const (
-	// DefaultPollingDelay is a reasonable delay between polling requests.
-	DefaultPollingDelay = 60 * time.Second
-
-	// DefaultPollingDuration is a reasonable total polling duration.
-	DefaultPollingDuration = 15 * time.Minute
-
-	// DefaultRetryAttempts is number of attempts for retry status codes (5xx).
-	DefaultRetryAttempts = 3
-
-	// DefaultRetryDuration is the duration to wait between retries.
-	DefaultRetryDuration = 30 * time.Second
-)
-
-var (
-	// defaultUserAgent builds a string containing the Go version, system archityecture and OS,
-	// and the go-autorest version.
-	defaultUserAgent = fmt.Sprintf("Go/%s (%s-%s) go-autorest/%s",
-		runtime.Version(),
-		runtime.GOARCH,
-		runtime.GOOS,
-		Version(),
-	)
-
-	// StatusCodesForRetry are a defined group of status code for which the client will retry
-	StatusCodesForRetry = []int{
-		http.StatusRequestTimeout,      // 408
-		http.StatusTooManyRequests,     // 429
-		http.StatusInternalServerError, // 500
-		http.StatusBadGateway,          // 502
-		http.StatusServiceUnavailable,  // 503
-		http.StatusGatewayTimeout,      // 504
-	}
-)
-
-const (
-	requestFormat = `HTTP Request Begin ===================================================
-%s
-===================================================== HTTP Request End
-`
-	responseFormat = `HTTP Response Begin ===================================================
-%s
-===================================================== HTTP Response End
-`
-)
-
-// Response serves as the base for all responses from generated clients. It provides access to the
-// last http.Response.
-type Response struct {
-	*http.Response `json:"-"`
-}
-
-// LoggingInspector implements request and response inspectors that log the full request and
-// response to a supplied log.
-type LoggingInspector struct {
-	Logger *log.Logger
-}
-
-// WithInspection returns a PrepareDecorator that emits the http.Request to the supplied logger. The
-// body is restored after being emitted.
-//
-// Note: Since it reads the entire Body, this decorator should not be used where body streaming is
-// important. It is best used to trace JSON or similar body values.
-func (li LoggingInspector) WithInspection() PrepareDecorator {
-	return func(p Preparer) Preparer {
-		return PreparerFunc(func(r *http.Request) (*http.Request, error) {
-			var body, b bytes.Buffer
-
-			defer r.Body.Close()
-
-			r.Body = ioutil.NopCloser(io.TeeReader(r.Body, &body))
-			if err := r.Write(&b); err != nil {
-				return nil, fmt.Errorf("Failed to write response: %v", err)
-			}
-
-			li.Logger.Printf(requestFormat, b.String())
-
-			r.Body = ioutil.NopCloser(&body)
-			return p.Prepare(r)
-		})
-	}
-}
-
-// ByInspecting returns a RespondDecorator that emits the http.Response to the supplied logger. The
-// body is restored after being emitted.
-//
-// Note: Since it reads the entire Body, this decorator should not be used where body streaming is
-// important. It is best used to trace JSON or similar body values.
-func (li LoggingInspector) ByInspecting() RespondDecorator {
-	return func(r Responder) Responder {
-		return ResponderFunc(func(resp *http.Response) error {
-			var body, b bytes.Buffer
-			defer resp.Body.Close()
-			resp.Body = ioutil.NopCloser(io.TeeReader(resp.Body, &body))
-			if err := resp.Write(&b); err != nil {
-				return fmt.Errorf("Failed to write response: %v", err)
-			}
-
-			li.Logger.Printf(responseFormat, b.String())
-
-			resp.Body = ioutil.NopCloser(&body)
-			return r.Respond(resp)
-		})
-	}
-}
-
-// Client is the base for autorest generated clients. It provides default, "do nothing"
-// implementations of an Authorizer, RequestInspector, and ResponseInspector. It also returns the
-// standard, undecorated http.Client as a default Sender.
-//
-// Generated clients should also use Error (see NewError and NewErrorWithError) for errors and
-// return responses that compose with Response.
-//
-// Most customization of generated clients is best achieved by supplying a custom Authorizer, custom
-// RequestInspector, and / or custom ResponseInspector. Users may log requests, implement circuit
-// breakers (see https://msdn.microsoft.com/en-us/library/dn589784.aspx) or otherwise influence
-// sending the request by providing a decorated Sender.
-type Client struct {
-	Authorizer        Authorizer
-	Sender            Sender
-	RequestInspector  PrepareDecorator
-	ResponseInspector RespondDecorator
-
-	// PollingDelay sets the polling frequency used in absence of a Retry-After HTTP header
-	PollingDelay time.Duration
-
-	// PollingDuration sets the maximum polling time after which an error is returned.
-	PollingDuration time.Duration
-
-	// RetryAttempts sets the default number of retry attempts for client.
-	RetryAttempts int
-
-	// RetryDuration sets the delay duration for retries.
-	RetryDuration time.Duration
-
-	// UserAgent, if not empty, will be set as the HTTP User-Agent header on all requests sent
-	// through the Do method.
-	UserAgent string
-
-	Jar http.CookieJar
-
-	// Set to true to skip attempted registration of resource providers (false by default).
-	SkipResourceProviderRegistration bool
-}
-
-// NewClientWithUserAgent returns an instance of a Client with the UserAgent set to the passed
-// string.
-func NewClientWithUserAgent(ua string) Client {
-	c := Client{
-		PollingDelay:    DefaultPollingDelay,
-		PollingDuration: DefaultPollingDuration,
-		RetryAttempts:   DefaultRetryAttempts,
-		RetryDuration:   DefaultRetryDuration,
-		UserAgent:       defaultUserAgent,
-	}
-	c.Sender = c.sender()
-	c.AddToUserAgent(ua)
-	return c
-}
-
-// AddToUserAgent adds an extension to the current user agent
-func (c *Client) AddToUserAgent(extension string) error {
-	if extension != "" {
-		c.UserAgent = fmt.Sprintf("%s %s", c.UserAgent, extension)
-		return nil
-	}
-	return fmt.Errorf("Extension was empty, User Agent stayed as %s", c.UserAgent)
-}
-
-// Do implements the Sender interface by invoking the active Sender after applying authorization.
-// If Sender is not set, it uses a new instance of http.Client. In both cases it will, if UserAgent
-// is set, apply set the User-Agent header.
-func (c Client) Do(r *http.Request) (*http.Response, error) {
-	if r.UserAgent() == "" {
-		r, _ = Prepare(r,
-			WithUserAgent(c.UserAgent))
-	}
-	// NOTE: c.WithInspection() must be last in the list so that it can inspect all preceding operations
-	r, err := Prepare(r,
-		c.WithAuthorization(),
-		c.WithInspection())
-	if err != nil {
-		var resp *http.Response
-		if detErr, ok := err.(DetailedError); ok {
-			// if the authorization failed (e.g. invalid credentials) there will
-			// be a response associated with the error, be sure to return it.
-			resp = detErr.Response
-		}
-		return resp, NewErrorWithError(err, "autorest/Client", "Do", nil, "Preparing request failed")
-	}
-
-	resp, err := SendWithSender(c.sender(), r)
-	Respond(resp, c.ByInspecting())
-	return resp, err
-}
-
-// sender returns the Sender to which to send requests.
-func (c Client) sender() Sender {
-	if c.Sender == nil {
-		j, _ := cookiejar.New(nil)
-		return &http.Client{Jar: j}
-	}
-	return c.Sender
-}
-
-// WithAuthorization is a convenience method that returns the WithAuthorization PrepareDecorator
-// from the current Authorizer. If not Authorizer is set, it uses the NullAuthorizer.
-func (c Client) WithAuthorization() PrepareDecorator {
-	return c.authorizer().WithAuthorization()
-}
-
-// authorizer returns the Authorizer to use.
-func (c Client) authorizer() Authorizer {
-	if c.Authorizer == nil {
-		return NullAuthorizer{}
-	}
-	return c.Authorizer
-}
-
-// WithInspection is a convenience method that passes the request to the supplied RequestInspector,
-// if present, or returns the WithNothing PrepareDecorator otherwise.
-func (c Client) WithInspection() PrepareDecorator {
-	if c.RequestInspector == nil {
-		return WithNothing()
-	}
-	return c.RequestInspector
-}
-
-// ByInspecting is a convenience method that passes the response to the supplied ResponseInspector,
-// if present, or returns the ByIgnoring RespondDecorator otherwise.
-func (c Client) ByInspecting() RespondDecorator {
-	if c.ResponseInspector == nil {
-		return ByIgnoring()
-	}
-	return c.ResponseInspector
-}

vendor/github.com/Azure/go-autorest/autorest/date/date.go

@@ -1,96 +0,0 @@
-/*
-Package date provides time.Time derivatives that conform to the Swagger.io (https://swagger.io/)
-defined date   formats: Date and DateTime. Both types may, in most cases, be used in lieu of
-time.Time types. And both convert to time.Time through a ToTime method.
-*/
-package date
-
-// Copyright 2017 Microsoft Corporation
-//
-//  Licensed under the Apache License, Version 2.0 (the "License");
-//  you may not use this file except in compliance with the License.
-//  You may obtain a copy of the License at
-//
-//      http://www.apache.org/licenses/LICENSE-2.0
-//
-//  Unless required by applicable law or agreed to in writing, software
-//  distributed under the License is distributed on an "AS IS" BASIS,
-//  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-//  See the License for the specific language governing permissions and
-//  limitations under the License.
-
-import (
-	"fmt"
-	"time"
-)
-
-const (
-	fullDate     = "2006-01-02"
-	fullDateJSON = `"2006-01-02"`
-	dateFormat   = "%04d-%02d-%02d"
-	jsonFormat   = `"%04d-%02d-%02d"`
-)
-
-// Date defines a type similar to time.Time but assumes a layout of RFC3339 full-date (i.e.,
-// 2006-01-02).
-type Date struct {
-	time.Time
-}
-
-// ParseDate create a new Date from the passed string.
-func ParseDate(date string) (d Date, err error) {
-	return parseDate(date, fullDate)
-}
-
-func parseDate(date string, format string) (Date, error) {
-	d, err := time.Parse(format, date)
-	return Date{Time: d}, err
-}
-
-// MarshalBinary preserves the Date as a byte array conforming to RFC3339 full-date (i.e.,
-// 2006-01-02).
-func (d Date) MarshalBinary() ([]byte, error) {
-	return d.MarshalText()
-}
-
-// UnmarshalBinary reconstitutes a Date saved as a byte array conforming to RFC3339 full-date (i.e.,
-// 2006-01-02).
-func (d *Date) UnmarshalBinary(data []byte) error {
-	return d.UnmarshalText(data)
-}
-
-// MarshalJSON preserves the Date as a JSON string conforming to RFC3339 full-date (i.e.,
-// 2006-01-02).
-func (d Date) MarshalJSON() (json []byte, err error) {
-	return []byte(fmt.Sprintf(jsonFormat, d.Year(), d.Month(), d.Day())), nil
-}
-
-// UnmarshalJSON reconstitutes the Date from a JSON string conforming to RFC3339 full-date (i.e.,
-// 2006-01-02).
-func (d *Date) UnmarshalJSON(data []byte) (err error) {
-	d.Time, err = time.Parse(fullDateJSON, string(data))
-	return err
-}
-
-// MarshalText preserves the Date as a byte array conforming to RFC3339 full-date (i.e.,
-// 2006-01-02).
-func (d Date) MarshalText() (text []byte, err error) {
-	return []byte(fmt.Sprintf(dateFormat, d.Year(), d.Month(), d.Day())), nil
-}
-
-// UnmarshalText reconstitutes a Date saved as a byte array conforming to RFC3339 full-date (i.e.,
-// 2006-01-02).
-func (d *Date) UnmarshalText(data []byte) (err error) {
-	d.Time, err = time.Parse(fullDate, string(data))
-	return err
-}
-
-// String returns the Date formatted as an RFC3339 full-date string (i.e., 2006-01-02).
-func (d Date) String() string {
-	return fmt.Sprintf(dateFormat, d.Year(), d.Month(), d.Day())
-}
-
-// ToTime returns a Date as a time.Time
-func (d Date) ToTime() time.Time {
-	return d.Time
-}

vendor/github.com/Azure/go-autorest/autorest/date/time.go

@@ -1,103 +0,0 @@
-package date
-
-// Copyright 2017 Microsoft Corporation
-//
-//  Licensed under the Apache License, Version 2.0 (the "License");
-//  you may not use this file except in compliance with the License.
-//  You may obtain a copy of the License at
-//
-//      http://www.apache.org/licenses/LICENSE-2.0
-//
-//  Unless required by applicable law or agreed to in writing, software
-//  distributed under the License is distributed on an "AS IS" BASIS,
-//  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-//  See the License for the specific language governing permissions and
-//  limitations under the License.
-
-import (
-	"regexp"
-	"time"
-)
-
-// Azure reports time in UTC but it doesn't include the 'Z' time zone suffix in some cases.
-const (
-	azureUtcFormatJSON = `"2006-01-02T15:04:05.999999999"`
-	azureUtcFormat     = "2006-01-02T15:04:05.999999999"
-	rfc3339JSON        = `"` + time.RFC3339Nano + `"`
-	rfc3339            = time.RFC3339Nano
-	tzOffsetRegex      = `(Z|z|\+|-)(\d+:\d+)*"*$`
-)
-
-// Time defines a type similar to time.Time but assumes a layout of RFC3339 date-time (i.e.,
-// 2006-01-02T15:04:05Z).
-type Time struct {
-	time.Time
-}
-
-// MarshalBinary preserves the Time as a byte array conforming to RFC3339 date-time (i.e.,
-// 2006-01-02T15:04:05Z).
-func (t Time) MarshalBinary() ([]byte, error) {
-	return t.Time.MarshalText()
-}
-
-// UnmarshalBinary reconstitutes a Time saved as a byte array conforming to RFC3339 date-time
-// (i.e., 2006-01-02T15:04:05Z).
-func (t *Time) UnmarshalBinary(data []byte) error {
-	return t.UnmarshalText(data)
-}
-
-// MarshalJSON preserves the Time as a JSON string conforming to RFC3339 date-time (i.e.,
-// 2006-01-02T15:04:05Z).
-func (t Time) MarshalJSON() (json []byte, err error) {
-	return t.Time.MarshalJSON()
-}
-
-// UnmarshalJSON reconstitutes the Time from a JSON string conforming to RFC3339 date-time
-// (i.e., 2006-01-02T15:04:05Z).
-func (t *Time) UnmarshalJSON(data []byte) (err error) {
-	timeFormat := azureUtcFormatJSON
-	match, err := regexp.Match(tzOffsetRegex, data)
-	if err != nil {
-		return err
-	} else if match {
-		timeFormat = rfc3339JSON
-	}
-	t.Time, err = ParseTime(timeFormat, string(data))
-	return err
-}
-
-// MarshalText preserves the Time as a byte array conforming to RFC3339 date-time (i.e.,
-// 2006-01-02T15:04:05Z).
-func (t Time) MarshalText() (text []byte, err error) {
-	return t.Time.MarshalText()
-}
-
-// UnmarshalText reconstitutes a Time saved as a byte array conforming to RFC3339 date-time
-// (i.e., 2006-01-02T15:04:05Z).
-func (t *Time) UnmarshalText(data []byte) (err error) {
-	timeFormat := azureUtcFormat
-	match, err := regexp.Match(tzOffsetRegex, data)
-	if err != nil {
-		return err
-	} else if match {
-		timeFormat = rfc3339
-	}
-	t.Time, err = ParseTime(timeFormat, string(data))
-	return err
-}
-
-// String returns the Time formatted as an RFC3339 date-time string (i.e.,
-// 2006-01-02T15:04:05Z).
-func (t Time) String() string {
-	// Note: time.Time.String does not return an RFC3339 compliant string, time.Time.MarshalText does.
-	b, err := t.MarshalText()
-	if err != nil {
-		return ""
-	}
-	return string(b)
-}
-
-// ToTime returns a Time as a time.Time
-func (t Time) ToTime() time.Time {
-	return t.Time
-}

vendor/github.com/Azure/go-autorest/autorest/date/timerfc1123.go

@@ -1,100 +0,0 @@
-package date
-
-// Copyright 2017 Microsoft Corporation
-//
-//  Licensed under the Apache License, Version 2.0 (the "License");
-//  you may not use this file except in compliance with the License.
-//  You may obtain a copy of the License at
-//
-//      http://www.apache.org/licenses/LICENSE-2.0
-//
-//  Unless required by applicable law or agreed to in writing, software
-//  distributed under the License is distributed on an "AS IS" BASIS,
-//  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-//  See the License for the specific language governing permissions and
-//  limitations under the License.
-
-import (
-	"errors"
-	"time"
-)
-
-const (
-	rfc1123JSON = `"` + time.RFC1123 + `"`
-	rfc1123     = time.RFC1123
-)
-
-// TimeRFC1123 defines a type similar to time.Time but assumes a layout of RFC1123 date-time (i.e.,
-// Mon, 02 Jan 2006 15:04:05 MST).
-type TimeRFC1123 struct {
-	time.Time
-}
-
-// UnmarshalJSON reconstitutes the Time from a JSON string conforming to RFC1123 date-time
-// (i.e., Mon, 02 Jan 2006 15:04:05 MST).
-func (t *TimeRFC1123) UnmarshalJSON(data []byte) (err error) {
-	t.Time, err = ParseTime(rfc1123JSON, string(data))
-	if err != nil {
-		return err
-	}
-	return nil
-}
-
-// MarshalJSON preserves the Time as a JSON string conforming to RFC1123 date-time (i.e.,
-// Mon, 02 Jan 2006 15:04:05 MST).
-func (t TimeRFC1123) MarshalJSON() ([]byte, error) {
-	if y := t.Year(); y < 0 || y >= 10000 {
-		return nil, errors.New("Time.MarshalJSON: year outside of range [0,9999]")
-	}
-	b := []byte(t.Format(rfc1123JSON))
-	return b, nil
-}
-
-// MarshalText preserves the Time as a byte array conforming to RFC1123 date-time (i.e.,
-// Mon, 02 Jan 2006 15:04:05 MST).
-func (t TimeRFC1123) MarshalText() ([]byte, error) {
-	if y := t.Year(); y < 0 || y >= 10000 {
-		return nil, errors.New("Time.MarshalText: year outside of range [0,9999]")
-	}
-
-	b := []byte(t.Format(rfc1123))
-	return b, nil
-}
-
-// UnmarshalText reconstitutes a Time saved as a byte array conforming to RFC1123 date-time
-// (i.e., Mon, 02 Jan 2006 15:04:05 MST).
-func (t *TimeRFC1123) UnmarshalText(data []byte) (err error) {
-	t.Time, err = ParseTime(rfc1123, string(data))
-	if err != nil {
-		return err
-	}
-	return nil
-}
-
-// MarshalBinary preserves the Time as a byte array conforming to RFC1123 date-time (i.e.,
-// Mon, 02 Jan 2006 15:04:05 MST).
-func (t TimeRFC1123) MarshalBinary() ([]byte, error) {
-	return t.MarshalText()
-}
-
-// UnmarshalBinary reconstitutes a Time saved as a byte array conforming to RFC1123 date-time
-// (i.e., Mon, 02 Jan 2006 15:04:05 MST).
-func (t *TimeRFC1123) UnmarshalBinary(data []byte) error {
-	return t.UnmarshalText(data)
-}
-
-// ToTime returns a Time as a time.Time
-func (t TimeRFC1123) ToTime() time.Time {
-	return t.Time
-}
-
-// String returns the Time formatted as an RFC1123 date-time string (i.e.,
-// Mon, 02 Jan 2006 15:04:05 MST).
-func (t TimeRFC1123) String() string {
-	// Note: time.Time.String does not return an RFC1123 compliant string, time.Time.MarshalText does.
-	b, err := t.MarshalText()
-	if err != nil {
-		return ""
-	}
-	return string(b)
-}

vendor/github.com/Azure/go-autorest/autorest/date/unixtime.go

@@ -1,123 +0,0 @@
-package date
-
-// Copyright 2017 Microsoft Corporation
-//
-//  Licensed under the Apache License, Version 2.0 (the "License");
-//  you may not use this file except in compliance with the License.
-//  You may obtain a copy of the License at
-//
-//      http://www.apache.org/licenses/LICENSE-2.0
-//
-//  Unless required by applicable law or agreed to in writing, software
-//  distributed under the License is distributed on an "AS IS" BASIS,
-//  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-//  See the License for the specific language governing permissions and
-//  limitations under the License.
-
-import (
-	"bytes"
-	"encoding/binary"
-	"encoding/json"
-	"time"
-)
-
-// unixEpoch is the moment in time that should be treated as timestamp 0.
-var unixEpoch = time.Date(1970, time.January, 1, 0, 0, 0, 0, time.UTC)
-
-// UnixTime marshals and unmarshals a time that is represented as the number
-// of seconds (ignoring skip-seconds) since the Unix Epoch.
-type UnixTime time.Time
-
-// Duration returns the time as a Duration since the UnixEpoch.
-func (t UnixTime) Duration() time.Duration {
-	return time.Time(t).Sub(unixEpoch)
-}
-
-// NewUnixTimeFromSeconds creates a UnixTime as a number of seconds from the UnixEpoch.
-func NewUnixTimeFromSeconds(seconds float64) UnixTime {
-	return NewUnixTimeFromDuration(time.Duration(seconds * float64(time.Second)))
-}
-
-// NewUnixTimeFromNanoseconds creates a UnixTime as a number of nanoseconds from the UnixEpoch.
-func NewUnixTimeFromNanoseconds(nanoseconds int64) UnixTime {
-	return NewUnixTimeFromDuration(time.Duration(nanoseconds))
-}
-
-// NewUnixTimeFromDuration creates a UnixTime as a duration of time since the UnixEpoch.
-func NewUnixTimeFromDuration(dur time.Duration) UnixTime {
-	return UnixTime(unixEpoch.Add(dur))
-}
-
-// UnixEpoch retreives the moment considered the Unix Epoch. I.e. The time represented by '0'
-func UnixEpoch() time.Time {
-	return unixEpoch
-}
-
-// MarshalJSON preserves the UnixTime as a JSON number conforming to Unix Timestamp requirements.
-// (i.e. the number of seconds since midnight January 1st, 1970 not considering leap seconds.)
-func (t UnixTime) MarshalJSON() ([]byte, error) {
-	buffer := &bytes.Buffer{}
-	enc := json.NewEncoder(buffer)
-	err := enc.Encode(float64(time.Time(t).UnixNano()) / 1e9)
-	if err != nil {
-		return nil, err
-	}
-	return buffer.Bytes(), nil
-}
-
-// UnmarshalJSON reconstitures a UnixTime saved as a JSON number of the number of seconds since
-// midnight January 1st, 1970.
-func (t *UnixTime) UnmarshalJSON(text []byte) error {
-	dec := json.NewDecoder(bytes.NewReader(text))
-
-	var secondsSinceEpoch float64
-	if err := dec.Decode(&secondsSinceEpoch); err != nil {
-		return err
-	}
-
-	*t = NewUnixTimeFromSeconds(secondsSinceEpoch)
-
-	return nil
-}
-
-// MarshalText stores the number of seconds since the Unix Epoch as a textual floating point number.
-func (t UnixTime) MarshalText() ([]byte, error) {
-	cast := time.Time(t)
-	return cast.MarshalText()
-}
-
-// UnmarshalText populates a UnixTime with a value stored textually as a floating point number of seconds since the Unix Epoch.
-func (t *UnixTime) UnmarshalText(raw []byte) error {
-	var unmarshaled time.Time
-
-	if err := unmarshaled.UnmarshalText(raw); err != nil {
-		return err
-	}
-
-	*t = UnixTime(unmarshaled)
-	return nil
-}
-
-// MarshalBinary converts a UnixTime into a binary.LittleEndian float64 of nanoseconds since the epoch.
-func (t UnixTime) MarshalBinary() ([]byte, error) {
-	buf := &bytes.Buffer{}
-
-	payload := int64(t.Duration())
-
-	if err := binary.Write(buf, binary.LittleEndian, &payload); err != nil {
-		return nil, err
-	}
-
-	return buf.Bytes(), nil
-}
-
-// UnmarshalBinary converts a from a binary.LittleEndian float64 of nanoseconds since the epoch into a UnixTime.
-func (t *UnixTime) UnmarshalBinary(raw []byte) error {
-	var nanosecondsSinceEpoch int64
-
-	if err := binary.Read(bytes.NewReader(raw), binary.LittleEndian, &nanosecondsSinceEpoch); err != nil {
-		return err
-	}
-	*t = NewUnixTimeFromNanoseconds(nanosecondsSinceEpoch)
-	return nil
-}

vendor/github.com/Azure/go-autorest/autorest/date/utility.go

@@ -1,25 +0,0 @@
-package date
-
-// Copyright 2017 Microsoft Corporation
-//
-//  Licensed under the Apache License, Version 2.0 (the "License");
-//  you may not use this file except in compliance with the License.
-//  You may obtain a copy of the License at
-//
-//      http://www.apache.org/licenses/LICENSE-2.0
-//
-//  Unless required by applicable law or agreed to in writing, software
-//  distributed under the License is distributed on an "AS IS" BASIS,
-//  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-//  See the License for the specific language governing permissions and
-//  limitations under the License.
-
-import (
-	"strings"
-	"time"
-)
-
-// ParseTime to parse Time string to specified format.
-func ParseTime(format string, t string) (d time.Time, err error) {
-	return time.Parse(format, strings.ToUpper(t))
-}

vendor/github.com/Azure/go-autorest/autorest/error.go

@@ -1,98 +0,0 @@
-package autorest
-
-// Copyright 2017 Microsoft Corporation
-//
-//  Licensed under the Apache License, Version 2.0 (the "License");
-//  you may not use this file except in compliance with the License.
-//  You may obtain a copy of the License at
-//
-//      http://www.apache.org/licenses/LICENSE-2.0
-//
-//  Unless required by applicable law or agreed to in writing, software
-//  distributed under the License is distributed on an "AS IS" BASIS,
-//  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-//  See the License for the specific language governing permissions and
-//  limitations under the License.
-
-import (
-	"fmt"
-	"net/http"
-)
-
-const (
-	// UndefinedStatusCode is used when HTTP status code is not available for an error.
-	UndefinedStatusCode = 0
-)
-
-// DetailedError encloses a error with details of the package, method, and associated HTTP
-// status code (if any).
-type DetailedError struct {
-	Original error
-
-	// PackageType is the package type of the object emitting the error. For types, the value
-	// matches that produced the the '%T' format specifier of the fmt package. For other elements,
-	// such as functions, it is just the package name (e.g., "autorest").
-	PackageType string
-
-	// Method is the name of the method raising the error.
-	Method string
-
-	// StatusCode is the HTTP Response StatusCode (if non-zero) that led to the error.
-	StatusCode interface{}
-
-	// Message is the error message.
-	Message string
-
-	// Service Error is the response body of failed API in bytes
-	ServiceError []byte
-
-	// Response is the response object that was returned during failure if applicable.
-	Response *http.Response
-}
-
-// NewError creates a new Error conforming object from the passed packageType, method, and
-// message. message is treated as a format string to which the optional args apply.
-func NewError(packageType string, method string, message string, args ...interface{}) DetailedError {
-	return NewErrorWithError(nil, packageType, method, nil, message, args...)
-}
-
-// NewErrorWithResponse creates a new Error conforming object from the passed
-// packageType, method, statusCode of the given resp (UndefinedStatusCode if
-// resp is nil), and message. message is treated as a format string to which the
-// optional args apply.
-func NewErrorWithResponse(packageType string, method string, resp *http.Response, message string, args ...interface{}) DetailedError {
-	return NewErrorWithError(nil, packageType, method, resp, message, args...)
-}
-
-// NewErrorWithError creates a new Error conforming object from the
-// passed packageType, method, statusCode of the given resp (UndefinedStatusCode
-// if resp is nil), message, and original error. message is treated as a format
-// string to which the optional args apply.
-func NewErrorWithError(original error, packageType string, method string, resp *http.Response, message string, args ...interface{}) DetailedError {
-	if v, ok := original.(DetailedError); ok {
-		return v
-	}
-
-	statusCode := UndefinedStatusCode
-	if resp != nil {
-		statusCode = resp.StatusCode
-	}
-
-	return DetailedError{
-		Original:    original,
-		PackageType: packageType,
-		Method:      method,
-		StatusCode:  statusCode,
-		Message:     fmt.Sprintf(message, args...),
-		Response:    resp,
-	}
-}
-
-// Error returns a formatted containing all available details (i.e., PackageType, Method,
-// StatusCode, Message, and original error (if any)).
-func (e DetailedError) Error() string {
-	if e.Original == nil {
-		return fmt.Sprintf("%s#%s: %s: StatusCode=%d", e.PackageType, e.Method, e.Message, e.StatusCode)
-	}
-	return fmt.Sprintf("%s#%s: %s: StatusCode=%d -- Original Error: %v", e.PackageType, e.Method, e.Message, e.StatusCode, e.Original)
-}

vendor/github.com/Azure/go-autorest/autorest/preparer.go

@@ -1,480 +0,0 @@
-package autorest
-
-// Copyright 2017 Microsoft Corporation
-//
-//  Licensed under the Apache License, Version 2.0 (the "License");
-//  you may not use this file except in compliance with the License.
-//  You may obtain a copy of the License at
-//
-//      http://www.apache.org/licenses/LICENSE-2.0
-//
-//  Unless required by applicable law or agreed to in writing, software
-//  distributed under the License is distributed on an "AS IS" BASIS,
-//  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-//  See the License for the specific language governing permissions and
-//  limitations under the License.
-
-import (
-	"bytes"
-	"encoding/json"
-	"fmt"
-	"io"
-	"io/ioutil"
-	"mime/multipart"
-	"net/http"
-	"net/url"
-	"strings"
-)
-
-const (
-	mimeTypeJSON        = "application/json"
-	mimeTypeOctetStream = "application/octet-stream"
-	mimeTypeFormPost    = "application/x-www-form-urlencoded"
-
-	headerAuthorization = "Authorization"
-	headerContentType   = "Content-Type"
-	headerUserAgent     = "User-Agent"
-)
-
-// Preparer is the interface that wraps the Prepare method.
-//
-// Prepare accepts and possibly modifies an http.Request (e.g., adding Headers). Implementations
-// must ensure to not share or hold per-invocation state since Preparers may be shared and re-used.
-type Preparer interface {
-	Prepare(*http.Request) (*http.Request, error)
-}
-
-// PreparerFunc is a method that implements the Preparer interface.
-type PreparerFunc func(*http.Request) (*http.Request, error)
-
-// Prepare implements the Preparer interface on PreparerFunc.
-func (pf PreparerFunc) Prepare(r *http.Request) (*http.Request, error) {
-	return pf(r)
-}
-
-// PrepareDecorator takes and possibly decorates, by wrapping, a Preparer. Decorators may affect the
-// http.Request and pass it along or, first, pass the http.Request along then affect the result.
-type PrepareDecorator func(Preparer) Preparer
-
-// CreatePreparer creates, decorates, and returns a Preparer.
-// Without decorators, the returned Preparer returns the passed http.Request unmodified.
-// Preparers are safe to share and re-use.
-func CreatePreparer(decorators ...PrepareDecorator) Preparer {
-	return DecoratePreparer(
-		Preparer(PreparerFunc(func(r *http.Request) (*http.Request, error) { return r, nil })),
-		decorators...)
-}
-
-// DecoratePreparer accepts a Preparer and a, possibly empty, set of PrepareDecorators, which it
-// applies to the Preparer. Decorators are applied in the order received, but their affect upon the
-// request depends on whether they are a pre-decorator (change the http.Request and then pass it
-// along) or a post-decorator (pass the http.Request along and alter it on return).
-func DecoratePreparer(p Preparer, decorators ...PrepareDecorator) Preparer {
-	for _, decorate := range decorators {
-		p = decorate(p)
-	}
-	return p
-}
-
-// Prepare accepts an http.Request and a, possibly empty, set of PrepareDecorators.
-// It creates a Preparer from the decorators which it then applies to the passed http.Request.
-func Prepare(r *http.Request, decorators ...PrepareDecorator) (*http.Request, error) {
-	if r == nil {
-		return nil, NewError("autorest", "Prepare", "Invoked without an http.Request")
-	}
-	return CreatePreparer(decorators...).Prepare(r)
-}
-
-// WithNothing returns a "do nothing" PrepareDecorator that makes no changes to the passed
-// http.Request.
-func WithNothing() PrepareDecorator {
-	return func(p Preparer) Preparer {
-		return PreparerFunc(func(r *http.Request) (*http.Request, error) {
-			return p.Prepare(r)
-		})
-	}
-}
-
-// WithHeader returns a PrepareDecorator that sets the specified HTTP header of the http.Request to
-// the passed value. It canonicalizes the passed header name (via http.CanonicalHeaderKey) before
-// adding the header.
-func WithHeader(header string, value string) PrepareDecorator {
-	return func(p Preparer) Preparer {
-		return PreparerFunc(func(r *http.Request) (*http.Request, error) {
-			r, err := p.Prepare(r)
-			if err == nil {
-				if r.Header == nil {
-					r.Header = make(http.Header)
-				}
-				r.Header.Set(http.CanonicalHeaderKey(header), value)
-			}
-			return r, err
-		})
-	}
-}
-
-// WithHeaders returns a PrepareDecorator that sets the specified HTTP headers of the http.Request to
-// the passed value. It canonicalizes the passed headers name (via http.CanonicalHeaderKey) before
-// adding them.
-func WithHeaders(headers map[string]interface{}) PrepareDecorator {
-	h := ensureValueStrings(headers)
-	return func(p Preparer) Preparer {
-		return PreparerFunc(func(r *http.Request) (*http.Request, error) {
-			r, err := p.Prepare(r)
-			if err == nil {
-				if r.Header == nil {
-					r.Header = make(http.Header)
-				}
-
-				for name, value := range h {
-					r.Header.Set(http.CanonicalHeaderKey(name), value)
-				}
-			}
-			return r, err
-		})
-	}
-}
-
-// WithBearerAuthorization returns a PrepareDecorator that adds an HTTP Authorization header whose
-// value is "Bearer " followed by the supplied token.
-func WithBearerAuthorization(token string) PrepareDecorator {
-	return WithHeader(headerAuthorization, fmt.Sprintf("Bearer %s", token))
-}
-
-// AsContentType returns a PrepareDecorator that adds an HTTP Content-Type header whose value
-// is the passed contentType.
-func AsContentType(contentType string) PrepareDecorator {
-	return WithHeader(headerContentType, contentType)
-}
-
-// WithUserAgent returns a PrepareDecorator that adds an HTTP User-Agent header whose value is the
-// passed string.
-func WithUserAgent(ua string) PrepareDecorator {
-	return WithHeader(headerUserAgent, ua)
-}
-
-// AsFormURLEncoded returns a PrepareDecorator that adds an HTTP Content-Type header whose value is
-// "application/x-www-form-urlencoded".
-func AsFormURLEncoded() PrepareDecorator {
-	return AsContentType(mimeTypeFormPost)
-}
-
-// AsJSON returns a PrepareDecorator that adds an HTTP Content-Type header whose value is
-// "application/json".
-func AsJSON() PrepareDecorator {
-	return AsContentType(mimeTypeJSON)
-}
-
-// AsOctetStream returns a PrepareDecorator that adds the "application/octet-stream" Content-Type header.
-func AsOctetStream() PrepareDecorator {
-	return AsContentType(mimeTypeOctetStream)
-}
-
-// WithMethod returns a PrepareDecorator that sets the HTTP method of the passed request. The
-// decorator does not validate that the passed method string is a known HTTP method.
-func WithMethod(method string) PrepareDecorator {
-	return func(p Preparer) Preparer {
-		return PreparerFunc(func(r *http.Request) (*http.Request, error) {
-			r.Method = method
-			return p.Prepare(r)
-		})
-	}
-}
-
-// AsDelete returns a PrepareDecorator that sets the HTTP method to DELETE.
-func AsDelete() PrepareDecorator { return WithMethod("DELETE") }
-
-// AsGet returns a PrepareDecorator that sets the HTTP method to GET.
-func AsGet() PrepareDecorator { return WithMethod("GET") }
-
-// AsHead returns a PrepareDecorator that sets the HTTP method to HEAD.
-func AsHead() PrepareDecorator { return WithMethod("HEAD") }
-
-// AsOptions returns a PrepareDecorator that sets the HTTP method to OPTIONS.
-func AsOptions() PrepareDecorator { return WithMethod("OPTIONS") }
-
-// AsPatch returns a PrepareDecorator that sets the HTTP method to PATCH.
-func AsPatch() PrepareDecorator { return WithMethod("PATCH") }
-
-// AsPost returns a PrepareDecorator that sets the HTTP method to POST.
-func AsPost() PrepareDecorator { return WithMethod("POST") }
-
-// AsPut returns a PrepareDecorator that sets the HTTP method to PUT.
-func AsPut() PrepareDecorator { return WithMethod("PUT") }
-
-// WithBaseURL returns a PrepareDecorator that populates the http.Request with a url.URL constructed
-// from the supplied baseUrl.
-func WithBaseURL(baseURL string) PrepareDecorator {
-	return func(p Preparer) Preparer {
-		return PreparerFunc(func(r *http.Request) (*http.Request, error) {
-			r, err := p.Prepare(r)
-			if err == nil {
-				var u *url.URL
-				if u, err = url.Parse(baseURL); err != nil {
-					return r, err
-				}
-				if u.Scheme == "" {
-					err = fmt.Errorf("autorest: No scheme detected in URL %s", baseURL)
-				}
-				if err == nil {
-					r.URL = u
-				}
-			}
-			return r, err
-		})
-	}
-}
-
-// WithCustomBaseURL returns a PrepareDecorator that replaces brace-enclosed keys within the
-// request base URL (i.e., http.Request.URL) with the corresponding values from the passed map.
-func WithCustomBaseURL(baseURL string, urlParameters map[string]interface{}) PrepareDecorator {
-	parameters := ensureValueStrings(urlParameters)
-	for key, value := range parameters {
-		baseURL = strings.Replace(baseURL, "{"+key+"}", value, -1)
-	}
-	return WithBaseURL(baseURL)
-}
-
-// WithFormData returns a PrepareDecoratore that "URL encodes" (e.g., bar=baz&foo=quux) into the
-// http.Request body.
-func WithFormData(v url.Values) PrepareDecorator {
-	return func(p Preparer) Preparer {
-		return PreparerFunc(func(r *http.Request) (*http.Request, error) {
-			r, err := p.Prepare(r)
-			if err == nil {
-				s := v.Encode()
-
-				if r.Header == nil {
-					r.Header = make(http.Header)
-				}
-				r.Header.Set(http.CanonicalHeaderKey(headerContentType), mimeTypeFormPost)
-				r.ContentLength = int64(len(s))
-				r.Body = ioutil.NopCloser(strings.NewReader(s))
-			}
-			return r, err
-		})
-	}
-}
-
-// WithMultiPartFormData returns a PrepareDecoratore that "URL encodes" (e.g., bar=baz&foo=quux) form parameters
-// into the http.Request body.
-func WithMultiPartFormData(formDataParameters map[string]interface{}) PrepareDecorator {
-	return func(p Preparer) Preparer {
-		return PreparerFunc(func(r *http.Request) (*http.Request, error) {
-			r, err := p.Prepare(r)
-			if err == nil {
-				var body bytes.Buffer
-				writer := multipart.NewWriter(&body)
-				for key, value := range formDataParameters {
-					if rc, ok := value.(io.ReadCloser); ok {
-						var fd io.Writer
-						if fd, err = writer.CreateFormFile(key, key); err != nil {
-							return r, err
-						}
-						if _, err = io.Copy(fd, rc); err != nil {
-							return r, err
-						}
-					} else {
-						if err = writer.WriteField(key, ensureValueString(value)); err != nil {
-							return r, err
-						}
-					}
-				}
-				if err = writer.Close(); err != nil {
-					return r, err
-				}
-				if r.Header == nil {
-					r.Header = make(http.Header)
-				}
-				r.Header.Set(http.CanonicalHeaderKey(headerContentType), writer.FormDataContentType())
-				r.Body = ioutil.NopCloser(bytes.NewReader(body.Bytes()))
-				r.ContentLength = int64(body.Len())
-				return r, err
-			}
-			return r, err
-		})
-	}
-}
-
-// WithFile returns a PrepareDecorator that sends file in request body.
-func WithFile(f io.ReadCloser) PrepareDecorator {
-	return func(p Preparer) Preparer {
-		return PreparerFunc(func(r *http.Request) (*http.Request, error) {
-			r, err := p.Prepare(r)
-			if err == nil {
-				b, err := ioutil.ReadAll(f)
-				if err != nil {
-					return r, err
-				}
-				r.Body = ioutil.NopCloser(bytes.NewReader(b))
-				r.ContentLength = int64(len(b))
-			}
-			return r, err
-		})
-	}
-}
-
-// WithBool returns a PrepareDecorator that encodes the passed bool into the body of the request
-// and sets the Content-Length header.
-func WithBool(v bool) PrepareDecorator {
-	return WithString(fmt.Sprintf("%v", v))
-}
-
-// WithFloat32 returns a PrepareDecorator that encodes the passed float32 into the body of the
-// request and sets the Content-Length header.
-func WithFloat32(v float32) PrepareDecorator {
-	return WithString(fmt.Sprintf("%v", v))
-}
-
-// WithFloat64 returns a PrepareDecorator that encodes the passed float64 into the body of the
-// request and sets the Content-Length header.
-func WithFloat64(v float64) PrepareDecorator {
-	return WithString(fmt.Sprintf("%v", v))
-}
-
-// WithInt32 returns a PrepareDecorator that encodes the passed int32 into the body of the request
-// and sets the Content-Length header.
-func WithInt32(v int32) PrepareDecorator {
-	return WithString(fmt.Sprintf("%v", v))
-}
-
-// WithInt64 returns a PrepareDecorator that encodes the passed int64 into the body of the request
-// and sets the Content-Length header.
-func WithInt64(v int64) PrepareDecorator {
-	return WithString(fmt.Sprintf("%v", v))
-}
-
-// WithString returns a PrepareDecorator that encodes the passed string into the body of the request
-// and sets the Content-Length header.
-func WithString(v string) PrepareDecorator {
-	return func(p Preparer) Preparer {
-		return PreparerFunc(func(r *http.Request) (*http.Request, error) {
-			r, err := p.Prepare(r)
-			if err == nil {
-				r.ContentLength = int64(len(v))
-				r.Body = ioutil.NopCloser(strings.NewReader(v))
-			}
-			return r, err
-		})
-	}
-}
-
-// WithJSON returns a PrepareDecorator that encodes the data passed as JSON into the body of the
-// request and sets the Content-Length header.
-func WithJSON(v interface{}) PrepareDecorator {
-	return func(p Preparer) Preparer {
-		return PreparerFunc(func(r *http.Request) (*http.Request, error) {
-			r, err := p.Prepare(r)
-			if err == nil {
-				b, err := json.Marshal(v)
-				if err == nil {
-					r.ContentLength = int64(len(b))
-					r.Body = ioutil.NopCloser(bytes.NewReader(b))
-				}
-			}
-			return r, err
-		})
-	}
-}
-
-// WithPath returns a PrepareDecorator that adds the supplied path to the request URL. If the path
-// is absolute (that is, it begins with a "/"), it replaces the existing path.
-func WithPath(path string) PrepareDecorator {
-	return func(p Preparer) Preparer {
-		return PreparerFunc(func(r *http.Request) (*http.Request, error) {
-			r, err := p.Prepare(r)
-			if err == nil {
-				if r.URL == nil {
-					return r, NewError("autorest", "WithPath", "Invoked with a nil URL")
-				}
-				if r.URL, err = parseURL(r.URL, path); err != nil {
-					return r, err
-				}
-			}
-			return r, err
-		})
-	}
-}
-
-// WithEscapedPathParameters returns a PrepareDecorator that replaces brace-enclosed keys within the
-// request path (i.e., http.Request.URL.Path) with the corresponding values from the passed map. The
-// values will be escaped (aka URL encoded) before insertion into the path.
-func WithEscapedPathParameters(path string, pathParameters map[string]interface{}) PrepareDecorator {
-	parameters := escapeValueStrings(ensureValueStrings(pathParameters))
-	return func(p Preparer) Preparer {
-		return PreparerFunc(func(r *http.Request) (*http.Request, error) {
-			r, err := p.Prepare(r)
-			if err == nil {
-				if r.URL == nil {
-					return r, NewError("autorest", "WithEscapedPathParameters", "Invoked with a nil URL")
-				}
-				for key, value := range parameters {
-					path = strings.Replace(path, "{"+key+"}", value, -1)
-				}
-				if r.URL, err = parseURL(r.URL, path); err != nil {
-					return r, err
-				}
-			}
-			return r, err
-		})
-	}
-}
-
-// WithPathParameters returns a PrepareDecorator that replaces brace-enclosed keys within the
-// request path (i.e., http.Request.URL.Path) with the corresponding values from the passed map.
-func WithPathParameters(path string, pathParameters map[string]interface{}) PrepareDecorator {
-	parameters := ensureValueStrings(pathParameters)
-	return func(p Preparer) Preparer {
-		return PreparerFunc(func(r *http.Request) (*http.Request, error) {
-			r, err := p.Prepare(r)
-			if err == nil {
-				if r.URL == nil {
-					return r, NewError("autorest", "WithPathParameters", "Invoked with a nil URL")
-				}
-				for key, value := range parameters {
-					path = strings.Replace(path, "{"+key+"}", value, -1)
-				}
-
-				if r.URL, err = parseURL(r.URL, path); err != nil {
-					return r, err
-				}
-			}
-			return r, err
-		})
-	}
-}
-
-func parseURL(u *url.URL, path string) (*url.URL, error) {
-	p := strings.TrimRight(u.String(), "/")
-	if !strings.HasPrefix(path, "/") {
-		path = "/" + path
-	}
-	return url.Parse(p + path)
-}
-
-// WithQueryParameters returns a PrepareDecorators that encodes and applies the query parameters
-// given in the supplied map (i.e., key=value).
-func WithQueryParameters(queryParameters map[string]interface{}) PrepareDecorator {
-	parameters := ensureValueStrings(queryParameters)
-	return func(p Preparer) Preparer {
-		return PreparerFunc(func(r *http.Request) (*http.Request, error) {
-			r, err := p.Prepare(r)
-			if err == nil {
-				if r.URL == nil {
-					return r, NewError("autorest", "WithQueryParameters", "Invoked with a nil URL")
-				}
-
-				v := r.URL.Query()
-				for key, value := range parameters {
-					d, err := url.QueryUnescape(value)
-					if err != nil {
-						return r, err
-					}
-					v.Add(key, d)
-				}
-				r.URL.RawQuery = v.Encode()
-			}
-			return r, err
-		})
-	}
-}

vendor/github.com/Azure/go-autorest/autorest/responder.go

@@ -1,250 +0,0 @@
-package autorest
-
-// Copyright 2017 Microsoft Corporation
-//
-//  Licensed under the Apache License, Version 2.0 (the "License");
-//  you may not use this file except in compliance with the License.
-//  You may obtain a copy of the License at
-//
-//      http://www.apache.org/licenses/LICENSE-2.0
-//
-//  Unless required by applicable law or agreed to in writing, software
-//  distributed under the License is distributed on an "AS IS" BASIS,
-//  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-//  See the License for the specific language governing permissions and
-//  limitations under the License.
-
-import (
-	"bytes"
-	"encoding/json"
-	"encoding/xml"
-	"fmt"
-	"io"
-	"io/ioutil"
-	"net/http"
-	"strings"
-)
-
-// Responder is the interface that wraps the Respond method.
-//
-// Respond accepts and reacts to an http.Response. Implementations must ensure to not share or hold
-// state since Responders may be shared and re-used.
-type Responder interface {
-	Respond(*http.Response) error
-}
-
-// ResponderFunc is a method that implements the Responder interface.
-type ResponderFunc func(*http.Response) error
-
-// Respond implements the Responder interface on ResponderFunc.
-func (rf ResponderFunc) Respond(r *http.Response) error {
-	return rf(r)
-}
-
-// RespondDecorator takes and possibly decorates, by wrapping, a Responder. Decorators may react to
-// the http.Response and pass it along or, first, pass the http.Response along then react.
-type RespondDecorator func(Responder) Responder
-
-// CreateResponder creates, decorates, and returns a Responder. Without decorators, the returned
-// Responder returns the passed http.Response unmodified. Responders may or may not be safe to share
-// and re-used: It depends on the applied decorators. For example, a standard decorator that closes
-// the response body is fine to share whereas a decorator that reads the body into a passed struct
-// is not.
-//
-// To prevent memory leaks, ensure that at least one Responder closes the response body.
-func CreateResponder(decorators ...RespondDecorator) Responder {
-	return DecorateResponder(
-		Responder(ResponderFunc(func(r *http.Response) error { return nil })),
-		decorators...)
-}
-
-// DecorateResponder accepts a Responder and a, possibly empty, set of RespondDecorators, which it
-// applies to the Responder. Decorators are applied in the order received, but their affect upon the
-// request depends on whether they are a pre-decorator (react to the http.Response and then pass it
-// along) or a post-decorator (pass the http.Response along and then react).
-func DecorateResponder(r Responder, decorators ...RespondDecorator) Responder {
-	for _, decorate := range decorators {
-		r = decorate(r)
-	}
-	return r
-}
-
-// Respond accepts an http.Response and a, possibly empty, set of RespondDecorators.
-// It creates a Responder from the decorators it then applies to the passed http.Response.
-func Respond(r *http.Response, decorators ...RespondDecorator) error {
-	if r == nil {
-		return nil
-	}
-	return CreateResponder(decorators...).Respond(r)
-}
-
-// ByIgnoring returns a RespondDecorator that ignores the passed http.Response passing it unexamined
-// to the next RespondDecorator.
-func ByIgnoring() RespondDecorator {
-	return func(r Responder) Responder {
-		return ResponderFunc(func(resp *http.Response) error {
-			return r.Respond(resp)
-		})
-	}
-}
-
-// ByCopying copies the contents of the http.Response Body into the passed bytes.Buffer as
-// the Body is read.
-func ByCopying(b *bytes.Buffer) RespondDecorator {
-	return func(r Responder) Responder {
-		return ResponderFunc(func(resp *http.Response) error {
-			err := r.Respond(resp)
-			if err == nil && resp != nil && resp.Body != nil {
-				resp.Body = TeeReadCloser(resp.Body, b)
-			}
-			return err
-		})
-	}
-}
-
-// ByDiscardingBody returns a RespondDecorator that first invokes the passed Responder after which
-// it copies the remaining bytes (if any) in the response body to ioutil.Discard. Since the passed
-// Responder is invoked prior to discarding the response body, the decorator may occur anywhere
-// within the set.
-func ByDiscardingBody() RespondDecorator {
-	return func(r Responder) Responder {
-		return ResponderFunc(func(resp *http.Response) error {
-			err := r.Respond(resp)
-			if err == nil && resp != nil && resp.Body != nil {
-				if _, err := io.Copy(ioutil.Discard, resp.Body); err != nil {
-					return fmt.Errorf("Error discarding the response body: %v", err)
-				}
-			}
-			return err
-		})
-	}
-}
-
-// ByClosing returns a RespondDecorator that first invokes the passed Responder after which it
-// closes the response body. Since the passed Responder is invoked prior to closing the response
-// body, the decorator may occur anywhere within the set.
-func ByClosing() RespondDecorator {
-	return func(r Responder) Responder {
-		return ResponderFunc(func(resp *http.Response) error {
-			err := r.Respond(resp)
-			if resp != nil && resp.Body != nil {
-				if err := resp.Body.Close(); err != nil {
-					return fmt.Errorf("Error closing the response body: %v", err)
-				}
-			}
-			return err
-		})
-	}
-}
-
-// ByClosingIfError returns a RespondDecorator that first invokes the passed Responder after which
-// it closes the response if the passed Responder returns an error and the response body exists.
-func ByClosingIfError() RespondDecorator {
-	return func(r Responder) Responder {
-		return ResponderFunc(func(resp *http.Response) error {
-			err := r.Respond(resp)
-			if err != nil && resp != nil && resp.Body != nil {
-				if err := resp.Body.Close(); err != nil {
-					return fmt.Errorf("Error closing the response body: %v", err)
-				}
-			}
-			return err
-		})
-	}
-}
-
-// ByUnmarshallingJSON returns a RespondDecorator that decodes a JSON document returned in the
-// response Body into the value pointed to by v.
-func ByUnmarshallingJSON(v interface{}) RespondDecorator {
-	return func(r Responder) Responder {
-		return ResponderFunc(func(resp *http.Response) error {
-			err := r.Respond(resp)
-			if err == nil {
-				b, errInner := ioutil.ReadAll(resp.Body)
-				// Some responses might include a BOM, remove for successful unmarshalling
-				b = bytes.TrimPrefix(b, []byte("\xef\xbb\xbf"))
-				if errInner != nil {
-					err = fmt.Errorf("Error occurred reading http.Response#Body - Error = '%v'", errInner)
-				} else if len(strings.Trim(string(b), " ")) > 0 {
-					errInner = json.Unmarshal(b, v)
-					if errInner != nil {
-						err = fmt.Errorf("Error occurred unmarshalling JSON - Error = '%v' JSON = '%s'", errInner, string(b))
-					}
-				}
-			}
-			return err
-		})
-	}
-}
-
-// ByUnmarshallingXML returns a RespondDecorator that decodes a XML document returned in the
-// response Body into the value pointed to by v.
-func ByUnmarshallingXML(v interface{}) RespondDecorator {
-	return func(r Responder) Responder {
-		return ResponderFunc(func(resp *http.Response) error {
-			err := r.Respond(resp)
-			if err == nil {
-				b, errInner := ioutil.ReadAll(resp.Body)
-				if errInner != nil {
-					err = fmt.Errorf("Error occurred reading http.Response#Body - Error = '%v'", errInner)
-				} else {
-					errInner = xml.Unmarshal(b, v)
-					if errInner != nil {
-						err = fmt.Errorf("Error occurred unmarshalling Xml - Error = '%v' Xml = '%s'", errInner, string(b))
-					}
-				}
-			}
-			return err
-		})
-	}
-}
-
-// WithErrorUnlessStatusCode returns a RespondDecorator that emits an error unless the response
-// StatusCode is among the set passed. On error, response body is fully read into a buffer and
-// presented in the returned error, as well as in the response body.
-func WithErrorUnlessStatusCode(codes ...int) RespondDecorator {
-	return func(r Responder) Responder {
-		return ResponderFunc(func(resp *http.Response) error {
-			err := r.Respond(resp)
-			if err == nil && !ResponseHasStatusCode(resp, codes...) {
-				derr := NewErrorWithResponse("autorest", "WithErrorUnlessStatusCode", resp, "%v %v failed with %s",
-					resp.Request.Method,
-					resp.Request.URL,
-					resp.Status)
-				if resp.Body != nil {
-					defer resp.Body.Close()
-					b, _ := ioutil.ReadAll(resp.Body)
-					derr.ServiceError = b
-					resp.Body = ioutil.NopCloser(bytes.NewReader(b))
-				}
-				err = derr
-			}
-			return err
-		})
-	}
-}
-
-// WithErrorUnlessOK returns a RespondDecorator that emits an error if the response StatusCode is
-// anything other than HTTP 200.
-func WithErrorUnlessOK() RespondDecorator {
-	return WithErrorUnlessStatusCode(http.StatusOK)
-}
-
-// ExtractHeader extracts all values of the specified header from the http.Response. It returns an
-// empty string slice if the passed http.Response is nil or the header does not exist.
-func ExtractHeader(header string, resp *http.Response) []string {
-	if resp != nil && resp.Header != nil {
-		return resp.Header[http.CanonicalHeaderKey(header)]
-	}
-	return nil
-}
-
-// ExtractHeaderValue extracts the first value of the specified header from the http.Response. It
-// returns an empty string if the passed http.Response is nil or the header does not exist.
-func ExtractHeaderValue(header string, resp *http.Response) string {
-	h := ExtractHeader(header, resp)
-	if len(h) > 0 {
-		return h[0]
-	}
-	return ""
-}

vendor/github.com/Azure/go-autorest/autorest/retriablerequest.go

@@ -1,52 +0,0 @@
-package autorest
-
-// Copyright 2017 Microsoft Corporation
-//
-//  Licensed under the Apache License, Version 2.0 (the "License");
-//  you may not use this file except in compliance with the License.
-//  You may obtain a copy of the License at
-//
-//      http://www.apache.org/licenses/LICENSE-2.0
-//
-//  Unless required by applicable law or agreed to in writing, software
-//  distributed under the License is distributed on an "AS IS" BASIS,
-//  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-//  See the License for the specific language governing permissions and
-//  limitations under the License.
-
-import (
-	"bytes"
-	"io"
-	"io/ioutil"
-	"net/http"
-)
-
-// NewRetriableRequest returns a wrapper around an HTTP request that support retry logic.
-func NewRetriableRequest(req *http.Request) *RetriableRequest {
-	return &RetriableRequest{req: req}
-}
-
-// Request returns the wrapped HTTP request.
-func (rr *RetriableRequest) Request() *http.Request {
-	return rr.req
-}
-
-func (rr *RetriableRequest) prepareFromByteReader() (err error) {
-	// fall back to making a copy (only do this once)
-	b := []byte{}
-	if rr.req.ContentLength > 0 {
-		b = make([]byte, rr.req.ContentLength)
-		_, err = io.ReadFull(rr.req.Body, b)
-		if err != nil {
-			return err
-		}
-	} else {
-		b, err = ioutil.ReadAll(rr.req.Body)
-		if err != nil {
-			return err
-		}
-	}
-	rr.br = bytes.NewReader(b)
-	rr.req.Body = ioutil.NopCloser(rr.br)
-	return err
-}

vendor/github.com/Azure/go-autorest/autorest/retriablerequest_1.7.go

@@ -1,54 +0,0 @@
-// +build !go1.8
-
-// Copyright 2017 Microsoft Corporation
-//
-//  Licensed under the Apache License, Version 2.0 (the "License");
-//  you may not use this file except in compliance with the License.
-//  You may obtain a copy of the License at
-//
-//      http://www.apache.org/licenses/LICENSE-2.0
-//
-//  Unless required by applicable law or agreed to in writing, software
-//  distributed under the License is distributed on an "AS IS" BASIS,
-//  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-//  See the License for the specific language governing permissions and
-//  limitations under the License.
-
-package autorest
-
-import (
-	"bytes"
-	"io/ioutil"
-	"net/http"
-)
-
-// RetriableRequest provides facilities for retrying an HTTP request.
-type RetriableRequest struct {
-	req *http.Request
-	br  *bytes.Reader
-}
-
-// Prepare signals that the request is about to be sent.
-func (rr *RetriableRequest) Prepare() (err error) {
-	// preserve the request body; this is to support retry logic as
-	// the underlying transport will always close the reqeust body
-	if rr.req.Body != nil {
-		if rr.br != nil {
-			_, err = rr.br.Seek(0, 0 /*io.SeekStart*/)
-			rr.req.Body = ioutil.NopCloser(rr.br)
-		}
-		if err != nil {
-			return err
-		}
-		if rr.br == nil {
-			// fall back to making a copy (only do this once)
-			err = rr.prepareFromByteReader()
-		}
-	}
-	return err
-}
-
-func removeRequestBody(req *http.Request) {
-	req.Body = nil
-	req.ContentLength = 0
-}

vendor/github.com/Azure/go-autorest/autorest/retriablerequest_1.8.go

@@ -1,66 +0,0 @@
-// +build go1.8
-
-// Copyright 2017 Microsoft Corporation
-//
-//  Licensed under the Apache License, Version 2.0 (the "License");
-//  you may not use this file except in compliance with the License.
-//  You may obtain a copy of the License at
-//
-//      http://www.apache.org/licenses/LICENSE-2.0
-//
-//  Unless required by applicable law or agreed to in writing, software
-//  distributed under the License is distributed on an "AS IS" BASIS,
-//  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-//  See the License for the specific language governing permissions and
-//  limitations under the License.
-
-package autorest
-
-import (
-	"bytes"
-	"io"
-	"io/ioutil"
-	"net/http"
-)
-
-// RetriableRequest provides facilities for retrying an HTTP request.
-type RetriableRequest struct {
-	req *http.Request
-	rc  io.ReadCloser
-	br  *bytes.Reader
-}
-
-// Prepare signals that the request is about to be sent.
-func (rr *RetriableRequest) Prepare() (err error) {
-	// preserve the request body; this is to support retry logic as
-	// the underlying transport will always close the reqeust body
-	if rr.req.Body != nil {
-		if rr.rc != nil {
-			rr.req.Body = rr.rc
-		} else if rr.br != nil {
-			_, err = rr.br.Seek(0, io.SeekStart)
-			rr.req.Body = ioutil.NopCloser(rr.br)
-		}
-		if err != nil {
-			return err
-		}
-		if rr.req.GetBody != nil {
-			// this will allow us to preserve the body without having to
-			// make a copy.  note we need to do this on each iteration
-			rr.rc, err = rr.req.GetBody()
-			if err != nil {
-				return err
-			}
-		} else if rr.br == nil {
-			// fall back to making a copy (only do this once)
-			err = rr.prepareFromByteReader()
-		}
-	}
-	return err
-}
-
-func removeRequestBody(req *http.Request) {
-	req.Body = nil
-	req.GetBody = nil
-	req.ContentLength = 0
-}

vendor/github.com/Azure/go-autorest/autorest/sender.go

@@ -1,321 +0,0 @@
-package autorest
-
-// Copyright 2017 Microsoft Corporation
-//
-//  Licensed under the Apache License, Version 2.0 (the "License");
-//  you may not use this file except in compliance with the License.
-//  You may obtain a copy of the License at
-//
-//      http://www.apache.org/licenses/LICENSE-2.0
-//
-//  Unless required by applicable law or agreed to in writing, software
-//  distributed under the License is distributed on an "AS IS" BASIS,
-//  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-//  See the License for the specific language governing permissions and
-//  limitations under the License.
-
-import (
-	"fmt"
-	"log"
-	"math"
-	"net/http"
-	"strconv"
-	"time"
-)
-
-// Sender is the interface that wraps the Do method to send HTTP requests.
-//
-// The standard http.Client conforms to this interface.
-type Sender interface {
-	Do(*http.Request) (*http.Response, error)
-}
-
-// SenderFunc is a method that implements the Sender interface.
-type SenderFunc func(*http.Request) (*http.Response, error)
-
-// Do implements the Sender interface on SenderFunc.
-func (sf SenderFunc) Do(r *http.Request) (*http.Response, error) {
-	return sf(r)
-}
-
-// SendDecorator takes and possibily decorates, by wrapping, a Sender. Decorators may affect the
-// http.Request and pass it along or, first, pass the http.Request along then react to the
-// http.Response result.
-type SendDecorator func(Sender) Sender
-
-// CreateSender creates, decorates, and returns, as a Sender, the default http.Client.
-func CreateSender(decorators ...SendDecorator) Sender {
-	return DecorateSender(&http.Client{}, decorators...)
-}
-
-// DecorateSender accepts a Sender and a, possibly empty, set of SendDecorators, which is applies to
-// the Sender. Decorators are applied in the order received, but their affect upon the request
-// depends on whether they are a pre-decorator (change the http.Request and then pass it along) or a
-// post-decorator (pass the http.Request along and react to the results in http.Response).
-func DecorateSender(s Sender, decorators ...SendDecorator) Sender {
-	for _, decorate := range decorators {
-		s = decorate(s)
-	}
-	return s
-}
-
-// Send sends, by means of the default http.Client, the passed http.Request, returning the
-// http.Response and possible error. It also accepts a, possibly empty, set of SendDecorators which
-// it will apply the http.Client before invoking the Do method.
-//
-// Send is a convenience method and not recommended for production. Advanced users should use
-// SendWithSender, passing and sharing their own Sender (e.g., instance of http.Client).
-//
-// Send will not poll or retry requests.
-func Send(r *http.Request, decorators ...SendDecorator) (*http.Response, error) {
-	return SendWithSender(&http.Client{}, r, decorators...)
-}
-
-// SendWithSender sends the passed http.Request, through the provided Sender, returning the
-// http.Response and possible error. It also accepts a, possibly empty, set of SendDecorators which
-// it will apply the http.Client before invoking the Do method.
-//
-// SendWithSender will not poll or retry requests.
-func SendWithSender(s Sender, r *http.Request, decorators ...SendDecorator) (*http.Response, error) {
-	return DecorateSender(s, decorators...).Do(r)
-}
-
-// AfterDelay returns a SendDecorator that delays for the passed time.Duration before
-// invoking the Sender. The delay may be terminated by closing the optional channel on the
-// http.Request. If canceled, no further Senders are invoked.
-func AfterDelay(d time.Duration) SendDecorator {
-	return func(s Sender) Sender {
-		return SenderFunc(func(r *http.Request) (*http.Response, error) {
-			if !DelayForBackoff(d, 0, r.Context().Done()) {
-				return nil, fmt.Errorf("autorest: AfterDelay canceled before full delay")
-			}
-			return s.Do(r)
-		})
-	}
-}
-
-// AsIs returns a SendDecorator that invokes the passed Sender without modifying the http.Request.
-func AsIs() SendDecorator {
-	return func(s Sender) Sender {
-		return SenderFunc(func(r *http.Request) (*http.Response, error) {
-			return s.Do(r)
-		})
-	}
-}
-
-// DoCloseIfError returns a SendDecorator that first invokes the passed Sender after which
-// it closes the response if the passed Sender returns an error and the response body exists.
-func DoCloseIfError() SendDecorator {
-	return func(s Sender) Sender {
-		return SenderFunc(func(r *http.Request) (*http.Response, error) {
-			resp, err := s.Do(r)
-			if err != nil {
-				Respond(resp, ByDiscardingBody(), ByClosing())
-			}
-			return resp, err
-		})
-	}
-}
-
-// DoErrorIfStatusCode returns a SendDecorator that emits an error if the response StatusCode is
-// among the set passed. Since these are artificial errors, the response body may still require
-// closing.
-func DoErrorIfStatusCode(codes ...int) SendDecorator {
-	return func(s Sender) Sender {
-		return SenderFunc(func(r *http.Request) (*http.Response, error) {
-			resp, err := s.Do(r)
-			if err == nil && ResponseHasStatusCode(resp, codes...) {
-				err = NewErrorWithResponse("autorest", "DoErrorIfStatusCode", resp, "%v %v failed with %s",
-					resp.Request.Method,
-					resp.Request.URL,
-					resp.Status)
-			}
-			return resp, err
-		})
-	}
-}
-
-// DoErrorUnlessStatusCode returns a SendDecorator that emits an error unless the response
-// StatusCode is among the set passed. Since these are artificial errors, the response body
-// may still require closing.
-func DoErrorUnlessStatusCode(codes ...int) SendDecorator {
-	return func(s Sender) Sender {
-		return SenderFunc(func(r *http.Request) (*http.Response, error) {
-			resp, err := s.Do(r)
-			if err == nil && !ResponseHasStatusCode(resp, codes...) {
-				err = NewErrorWithResponse("autorest", "DoErrorUnlessStatusCode", resp, "%v %v failed with %s",
-					resp.Request.Method,
-					resp.Request.URL,
-					resp.Status)
-			}
-			return resp, err
-		})
-	}
-}
-
-// DoPollForStatusCodes returns a SendDecorator that polls if the http.Response contains one of the
-// passed status codes. It expects the http.Response to contain a Location header providing the
-// URL at which to poll (using GET) and will poll until the time passed is equal to or greater than
-// the supplied duration. It will delay between requests for the duration specified in the
-// RetryAfter header or, if the header is absent, the passed delay. Polling may be canceled by
-// closing the optional channel on the http.Request.
-func DoPollForStatusCodes(duration time.Duration, delay time.Duration, codes ...int) SendDecorator {
-	return func(s Sender) Sender {
-		return SenderFunc(func(r *http.Request) (resp *http.Response, err error) {
-			resp, err = s.Do(r)
-
-			if err == nil && ResponseHasStatusCode(resp, codes...) {
-				r, err = NewPollingRequestWithContext(r.Context(), resp)
-
-				for err == nil && ResponseHasStatusCode(resp, codes...) {
-					Respond(resp,
-						ByDiscardingBody(),
-						ByClosing())
-					resp, err = SendWithSender(s, r,
-						AfterDelay(GetRetryAfter(resp, delay)))
-				}
-			}
-
-			return resp, err
-		})
-	}
-}
-
-// DoRetryForAttempts returns a SendDecorator that retries a failed request for up to the specified
-// number of attempts, exponentially backing off between requests using the supplied backoff
-// time.Duration (which may be zero). Retrying may be canceled by closing the optional channel on
-// the http.Request.
-func DoRetryForAttempts(attempts int, backoff time.Duration) SendDecorator {
-	return func(s Sender) Sender {
-		return SenderFunc(func(r *http.Request) (resp *http.Response, err error) {
-			rr := NewRetriableRequest(r)
-			for attempt := 0; attempt < attempts; attempt++ {
-				err = rr.Prepare()
-				if err != nil {
-					return resp, err
-				}
-				resp, err = s.Do(rr.Request())
-				if err == nil {
-					return resp, err
-				}
-				if !DelayForBackoff(backoff, attempt, r.Context().Done()) {
-					return nil, r.Context().Err()
-				}
-			}
-			return resp, err
-		})
-	}
-}
-
-// DoRetryForStatusCodes returns a SendDecorator that retries for specified statusCodes for up to the specified
-// number of attempts, exponentially backing off between requests using the supplied backoff
-// time.Duration (which may be zero). Retrying may be canceled by closing the optional channel on
-// the http.Request.
-func DoRetryForStatusCodes(attempts int, backoff time.Duration, codes ...int) SendDecorator {
-	return func(s Sender) Sender {
-		return SenderFunc(func(r *http.Request) (resp *http.Response, err error) {
-			rr := NewRetriableRequest(r)
-			// Increment to add the first call (attempts denotes number of retries)
-			attempts++
-			for attempt := 0; attempt < attempts; {
-				err = rr.Prepare()
-				if err != nil {
-					return resp, err
-				}
-				resp, err = s.Do(rr.Request())
-				// we want to retry if err is not nil (e.g. transient network failure).  note that for failed authentication
-				// resp and err will both have a value, so in this case we don't want to retry as it will never succeed.
-				if err == nil && !ResponseHasStatusCode(resp, codes...) || IsTokenRefreshError(err) {
-					return resp, err
-				}
-				delayed := DelayWithRetryAfter(resp, r.Context().Done())
-				if !delayed && !DelayForBackoff(backoff, attempt, r.Context().Done()) {
-					return nil, r.Context().Err()
-				}
-				// don't count a 429 against the number of attempts
-				// so that we continue to retry until it succeeds
-				if resp == nil || resp.StatusCode != http.StatusTooManyRequests {
-					attempt++
-				}
-			}
-			return resp, err
-		})
-	}
-}
-
-// DelayWithRetryAfter invokes time.After for the duration specified in the "Retry-After" header in
-// responses with status code 429
-func DelayWithRetryAfter(resp *http.Response, cancel <-chan struct{}) bool {
-	if resp == nil {
-		return false
-	}
-	retryAfter, _ := strconv.Atoi(resp.Header.Get("Retry-After"))
-	if resp.StatusCode == http.StatusTooManyRequests && retryAfter > 0 {
-		select {
-		case <-time.After(time.Duration(retryAfter) * time.Second):
-			return true
-		case <-cancel:
-			return false
-		}
-	}
-	return false
-}
-
-// DoRetryForDuration returns a SendDecorator that retries the request until the total time is equal
-// to or greater than the specified duration, exponentially backing off between requests using the
-// supplied backoff time.Duration (which may be zero). Retrying may be canceled by closing the
-// optional channel on the http.Request.
-func DoRetryForDuration(d time.Duration, backoff time.Duration) SendDecorator {
-	return func(s Sender) Sender {
-		return SenderFunc(func(r *http.Request) (resp *http.Response, err error) {
-			rr := NewRetriableRequest(r)
-			end := time.Now().Add(d)
-			for attempt := 0; time.Now().Before(end); attempt++ {
-				err = rr.Prepare()
-				if err != nil {
-					return resp, err
-				}
-				resp, err = s.Do(rr.Request())
-				if err == nil {
-					return resp, err
-				}
-				if !DelayForBackoff(backoff, attempt, r.Context().Done()) {
-					return nil, r.Context().Err()
-				}
-			}
-			return resp, err
-		})
-	}
-}
-
-// WithLogging returns a SendDecorator that implements simple before and after logging of the
-// request.
-func WithLogging(logger *log.Logger) SendDecorator {
-	return func(s Sender) Sender {
-		return SenderFunc(func(r *http.Request) (*http.Response, error) {
-			logger.Printf("Sending %s %s", r.Method, r.URL)
-			resp, err := s.Do(r)
-			if err != nil {
-				logger.Printf("%s %s received error '%v'", r.Method, r.URL, err)
-			} else {
-				logger.Printf("%s %s received %s", r.Method, r.URL, resp.Status)
-			}
-			return resp, err
-		})
-	}
-}
-
-// DelayForBackoff invokes time.After for the supplied backoff duration raised to the power of
-// passed attempt (i.e., an exponential backoff delay). Backoff duration is in seconds and can set
-// to zero for no delay. The delay may be canceled by closing the passed channel. If terminated early,
-// returns false.
-// Note: Passing attempt 1 will result in doubling "backoff" duration. Treat this as a zero-based attempt
-// count.
-func DelayForBackoff(backoff time.Duration, attempt int, cancel <-chan struct{}) bool {
-	select {
-	case <-time.After(time.Duration(backoff.Seconds()*math.Pow(2, float64(attempt))) * time.Second):
-		return true
-	case <-cancel:
-		return false
-	}
-}

vendor/github.com/Azure/go-autorest/autorest/utility.go

@@ -1,218 +0,0 @@
-package autorest
-
-// Copyright 2017 Microsoft Corporation
-//
-//  Licensed under the Apache License, Version 2.0 (the "License");
-//  you may not use this file except in compliance with the License.
-//  You may obtain a copy of the License at
-//
-//      http://www.apache.org/licenses/LICENSE-2.0
-//
-//  Unless required by applicable law or agreed to in writing, software
-//  distributed under the License is distributed on an "AS IS" BASIS,
-//  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-//  See the License for the specific language governing permissions and
-//  limitations under the License.
-
-import (
-	"bytes"
-	"encoding/json"
-	"encoding/xml"
-	"fmt"
-	"io"
-	"net/http"
-	"net/url"
-	"reflect"
-	"strings"
-
-	"github.com/Azure/go-autorest/autorest/adal"
-)
-
-// EncodedAs is a series of constants specifying various data encodings
-type EncodedAs string
-
-const (
-	// EncodedAsJSON states that data is encoded as JSON
-	EncodedAsJSON EncodedAs = "JSON"
-
-	// EncodedAsXML states that data is encoded as Xml
-	EncodedAsXML EncodedAs = "XML"
-)
-
-// Decoder defines the decoding method json.Decoder and xml.Decoder share
-type Decoder interface {
-	Decode(v interface{}) error
-}
-
-// NewDecoder creates a new decoder appropriate to the passed encoding.
-// encodedAs specifies the type of encoding and r supplies the io.Reader containing the
-// encoded data.
-func NewDecoder(encodedAs EncodedAs, r io.Reader) Decoder {
-	if encodedAs == EncodedAsJSON {
-		return json.NewDecoder(r)
-	} else if encodedAs == EncodedAsXML {
-		return xml.NewDecoder(r)
-	}
-	return nil
-}
-
-// CopyAndDecode decodes the data from the passed io.Reader while making a copy. Having a copy
-// is especially useful if there is a chance the data will fail to decode.
-// encodedAs specifies the expected encoding, r provides the io.Reader to the data, and v
-// is the decoding destination.
-func CopyAndDecode(encodedAs EncodedAs, r io.Reader, v interface{}) (bytes.Buffer, error) {
-	b := bytes.Buffer{}
-	return b, NewDecoder(encodedAs, io.TeeReader(r, &b)).Decode(v)
-}
-
-// TeeReadCloser returns a ReadCloser that writes to w what it reads from rc.
-// It utilizes io.TeeReader to copy the data read and has the same behavior when reading.
-// Further, when it is closed, it ensures that rc is closed as well.
-func TeeReadCloser(rc io.ReadCloser, w io.Writer) io.ReadCloser {
-	return &teeReadCloser{rc, io.TeeReader(rc, w)}
-}
-
-type teeReadCloser struct {
-	rc io.ReadCloser
-	r  io.Reader
-}
-
-func (t *teeReadCloser) Read(p []byte) (int, error) {
-	return t.r.Read(p)
-}
-
-func (t *teeReadCloser) Close() error {
-	return t.rc.Close()
-}
-
-func containsInt(ints []int, n int) bool {
-	for _, i := range ints {
-		if i == n {
-			return true
-		}
-	}
-	return false
-}
-
-func escapeValueStrings(m map[string]string) map[string]string {
-	for key, value := range m {
-		m[key] = url.QueryEscape(value)
-	}
-	return m
-}
-
-func ensureValueStrings(mapOfInterface map[string]interface{}) map[string]string {
-	mapOfStrings := make(map[string]string)
-	for key, value := range mapOfInterface {
-		mapOfStrings[key] = ensureValueString(value)
-	}
-	return mapOfStrings
-}
-
-func ensureValueString(value interface{}) string {
-	if value == nil {
-		return ""
-	}
-	switch v := value.(type) {
-	case string:
-		return v
-	case []byte:
-		return string(v)
-	default:
-		return fmt.Sprintf("%v", v)
-	}
-}
-
-// MapToValues method converts map[string]interface{} to url.Values.
-func MapToValues(m map[string]interface{}) url.Values {
-	v := url.Values{}
-	for key, value := range m {
-		x := reflect.ValueOf(value)
-		if x.Kind() == reflect.Array || x.Kind() == reflect.Slice {
-			for i := 0; i < x.Len(); i++ {
-				v.Add(key, ensureValueString(x.Index(i)))
-			}
-		} else {
-			v.Add(key, ensureValueString(value))
-		}
-	}
-	return v
-}
-
-// AsStringSlice method converts interface{} to []string. This expects a
-//that the parameter passed to be a slice or array of a type that has the underlying
-//type a string.
-func AsStringSlice(s interface{}) ([]string, error) {
-	v := reflect.ValueOf(s)
-	if v.Kind() != reflect.Slice && v.Kind() != reflect.Array {
-		return nil, NewError("autorest", "AsStringSlice", "the value's type is not an array.")
-	}
-	stringSlice := make([]string, 0, v.Len())
-
-	for i := 0; i < v.Len(); i++ {
-		stringSlice = append(stringSlice, v.Index(i).String())
-	}
-	return stringSlice, nil
-}
-
-// String method converts interface v to string. If interface is a list, it
-// joins list elements using the seperator. Note that only sep[0] will be used for
-// joining if any separator is specified.
-func String(v interface{}, sep ...string) string {
-	if len(sep) == 0 {
-		return ensureValueString(v)
-	}
-	stringSlice, ok := v.([]string)
-	if ok == false {
-		var err error
-		stringSlice, err = AsStringSlice(v)
-		if err != nil {
-			panic(fmt.Sprintf("autorest: Couldn't convert value to a string %s.", err))
-		}
-	}
-	return ensureValueString(strings.Join(stringSlice, sep[0]))
-}
-
-// Encode method encodes url path and query parameters.
-func Encode(location string, v interface{}, sep ...string) string {
-	s := String(v, sep...)
-	switch strings.ToLower(location) {
-	case "path":
-		return pathEscape(s)
-	case "query":
-		return queryEscape(s)
-	default:
-		return s
-	}
-}
-
-func pathEscape(s string) string {
-	return strings.Replace(url.QueryEscape(s), "+", "%20", -1)
-}
-
-func queryEscape(s string) string {
-	return url.QueryEscape(s)
-}
-
-// ChangeToGet turns the specified http.Request into a GET (it assumes it wasn't).
-// This is mainly useful for long-running operations that use the Azure-AsyncOperation
-// header, so we change the initial PUT into a GET to retrieve the final result.
-func ChangeToGet(req *http.Request) *http.Request {
-	req.Method = "GET"
-	req.Body = nil
-	req.ContentLength = 0
-	req.Header.Del("Content-Length")
-	return req
-}
-
-// IsTokenRefreshError returns true if the specified error implements the TokenRefreshError
-// interface.  If err is a DetailedError it will walk the chain of Original errors.
-func IsTokenRefreshError(err error) bool {
-	if _, ok := err.(adal.TokenRefreshError); ok {
-		return true
-	}
-	if de, ok := err.(DetailedError); ok {
-		return IsTokenRefreshError(de.Original)
-	}
-	return false
-}

vendor/github.com/Azure/go-autorest/autorest/version.go

@@ -1,20 +0,0 @@
-package autorest
-
-// Copyright 2017 Microsoft Corporation
-//
-//  Licensed under the Apache License, Version 2.0 (the "License");
-//  you may not use this file except in compliance with the License.
-//  You may obtain a copy of the License at
-//
-//      http://www.apache.org/licenses/LICENSE-2.0
-//
-//  Unless required by applicable law or agreed to in writing, software
-//  distributed under the License is distributed on an "AS IS" BASIS,
-//  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-//  See the License for the specific language governing permissions and
-//  limitations under the License.
-
-// Version returns the semantic version (see http://semver.org).
-func Version() string {
-	return "v10.5.0"
-}

vendor/github.com/davecgh/go-spew/LICENSE

@@ -1,15 +0,0 @@
-ISC License
-
-Copyright (c) 2012-2016 Dave Collins <dave@davec.name>
-
-Permission to use, copy, modify, and distribute this software for any
-purpose with or without fee is hereby granted, provided that the above
-copyright notice and this permission notice appear in all copies.
-
-THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
-WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
-MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
-ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
-WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
-ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
-OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.

vendor/github.com/davecgh/go-spew/spew/bypass.go

@@ -1,152 +0,0 @@
-// Copyright (c) 2015-2016 Dave Collins <dave@davec.name>
-//
-// Permission to use, copy, modify, and distribute this software for any
-// purpose with or without fee is hereby granted, provided that the above
-// copyright notice and this permission notice appear in all copies.
-//
-// THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
-// WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
-// MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
-// ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
-// WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
-// ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
-// OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
-
-// NOTE: Due to the following build constraints, this file will only be compiled
-// when the code is not running on Google App Engine, compiled by GopherJS, and
-// "-tags safe" is not added to the go build command line.  The "disableunsafe"
-// tag is deprecated and thus should not be used.
-// +build !js,!appengine,!safe,!disableunsafe
-
-package spew
-
-import (
-	"reflect"
-	"unsafe"
-)
-
-const (
-	// UnsafeDisabled is a build-time constant which specifies whether or
-	// not access to the unsafe package is available.
-	UnsafeDisabled = false
-
-	// ptrSize is the size of a pointer on the current arch.
-	ptrSize = unsafe.Sizeof((*byte)(nil))
-)
-
-var (
-	// offsetPtr, offsetScalar, and offsetFlag are the offsets for the
-	// internal reflect.Value fields.  These values are valid before golang
-	// commit ecccf07e7f9d which changed the format.  The are also valid
-	// after commit 82f48826c6c7 which changed the format again to mirror
-	// the original format.  Code in the init function updates these offsets
-	// as necessary.
-	offsetPtr    = uintptr(ptrSize)
-	offsetScalar = uintptr(0)
-	offsetFlag   = uintptr(ptrSize * 2)
-
-	// flagKindWidth and flagKindShift indicate various bits that the
-	// reflect package uses internally to track kind information.
-	//
-	// flagRO indicates whether or not the value field of a reflect.Value is
-	// read-only.
-	//
-	// flagIndir indicates whether the value field of a reflect.Value is
-	// the actual data or a pointer to the data.
-	//
-	// These values are valid before golang commit 90a7c3c86944 which
-	// changed their positions.  Code in the init function updates these
-	// flags as necessary.
-	flagKindWidth = uintptr(5)
-	flagKindShift = uintptr(flagKindWidth - 1)
-	flagRO        = uintptr(1 << 0)
-	flagIndir     = uintptr(1 << 1)
-)
-
-func init() {
-	// Older versions of reflect.Value stored small integers directly in the
-	// ptr field (which is named val in the older versions).  Versions
-	// between commits ecccf07e7f9d and 82f48826c6c7 added a new field named
-	// scalar for this purpose which unfortunately came before the flag
-	// field, so the offset of the flag field is different for those
-	// versions.
-	//
-	// This code constructs a new reflect.Value from a known small integer
-	// and checks if the size of the reflect.Value struct indicates it has
-	// the scalar field. When it does, the offsets are updated accordingly.
-	vv := reflect.ValueOf(0xf00)
-	if unsafe.Sizeof(vv) == (ptrSize * 4) {
-		offsetScalar = ptrSize * 2
-		offsetFlag = ptrSize * 3
-	}
-
-	// Commit 90a7c3c86944 changed the flag positions such that the low
-	// order bits are the kind.  This code extracts the kind from the flags
-	// field and ensures it's the correct type.  When it's not, the flag
-	// order has been changed to the newer format, so the flags are updated
-	// accordingly.
-	upf := unsafe.Pointer(uintptr(unsafe.Pointer(&vv)) + offsetFlag)
-	upfv := *(*uintptr)(upf)
-	flagKindMask := uintptr((1<<flagKindWidth - 1) << flagKindShift)
-	if (upfv&flagKindMask)>>flagKindShift != uintptr(reflect.Int) {
-		flagKindShift = 0
-		flagRO = 1 << 5
-		flagIndir = 1 << 6
-
-		// Commit adf9b30e5594 modified the flags to separate the
-		// flagRO flag into two bits which specifies whether or not the
-		// field is embedded.  This causes flagIndir to move over a bit
-		// and means that flagRO is the combination of either of the
-		// original flagRO bit and the new bit.
-		//
-		// This code detects the change by extracting what used to be
-		// the indirect bit to ensure it's set.  When it's not, the flag
-		// order has been changed to the newer format, so the flags are
-		// updated accordingly.
-		if upfv&flagIndir == 0 {
-			flagRO = 3 << 5
-			flagIndir = 1 << 7
-		}
-	}
-}
-
-// unsafeReflectValue converts the passed reflect.Value into a one that bypasses
-// the typical safety restrictions preventing access to unaddressable and
-// unexported data.  It works by digging the raw pointer to the underlying
-// value out of the protected value and generating a new unprotected (unsafe)
-// reflect.Value to it.
-//
-// This allows us to check for implementations of the Stringer and error
-// interfaces to be used for pretty printing ordinarily unaddressable and
-// inaccessible values such as unexported struct fields.
-func unsafeReflectValue(v reflect.Value) (rv reflect.Value) {
-	indirects := 1
-	vt := v.Type()
-	upv := unsafe.Pointer(uintptr(unsafe.Pointer(&v)) + offsetPtr)
-	rvf := *(*uintptr)(unsafe.Pointer(uintptr(unsafe.Pointer(&v)) + offsetFlag))
-	if rvf&flagIndir != 0 {
-		vt = reflect.PtrTo(v.Type())
-		indirects++
-	} else if offsetScalar != 0 {
-		// The value is in the scalar field when it's not one of the
-		// reference types.
-		switch vt.Kind() {
-		case reflect.Uintptr:
-		case reflect.Chan:
-		case reflect.Func:
-		case reflect.Map:
-		case reflect.Ptr:
-		case reflect.UnsafePointer:
-		default:
-			upv = unsafe.Pointer(uintptr(unsafe.Pointer(&v)) +
-				offsetScalar)
-		}
-	}
-
-	pv := reflect.NewAt(vt, upv)
-	rv = pv
-	for i := 0; i < indirects; i++ {
-		rv = rv.Elem()
-	}
-	return rv
-}

vendor/github.com/davecgh/go-spew/spew/bypasssafe.go

@@ -1,38 +0,0 @@
-// Copyright (c) 2015-2016 Dave Collins <dave@davec.name>
-//
-// Permission to use, copy, modify, and distribute this software for any
-// purpose with or without fee is hereby granted, provided that the above
-// copyright notice and this permission notice appear in all copies.
-//
-// THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
-// WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
-// MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
-// ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
-// WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
-// ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
-// OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
-
-// NOTE: Due to the following build constraints, this file will only be compiled
-// when the code is running on Google App Engine, compiled by GopherJS, or
-// "-tags safe" is added to the go build command line.  The "disableunsafe"
-// tag is deprecated and thus should not be used.
-// +build js appengine safe disableunsafe
-
-package spew
-
-import "reflect"
-
-const (
-	// UnsafeDisabled is a build-time constant which specifies whether or
-	// not access to the unsafe package is available.
-	UnsafeDisabled = true
-)
-
-// unsafeReflectValue typically converts the passed reflect.Value into a one
-// that bypasses the typical safety restrictions preventing access to
-// unaddressable and unexported data.  However, doing this relies on access to
-// the unsafe package.  This is a stub version which simply returns the passed
-// reflect.Value when the unsafe package is not available.
-func unsafeReflectValue(v reflect.Value) reflect.Value {
-	return v
-}

vendor/github.com/davecgh/go-spew/spew/common.go

@@ -1,341 +0,0 @@
-/*
- * Copyright (c) 2013-2016 Dave Collins <dave@davec.name>
- *
- * Permission to use, copy, modify, and distribute this software for any
- * purpose with or without fee is hereby granted, provided that the above
- * copyright notice and this permission notice appear in all copies.
- *
- * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
- * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
- * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
- * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
- * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
- * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
- * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
- */
-
-package spew
-
-import (
-	"bytes"
-	"fmt"
-	"io"
-	"reflect"
-	"sort"
-	"strconv"
-)
-
-// Some constants in the form of bytes to avoid string overhead.  This mirrors
-// the technique used in the fmt package.
-var (
-	panicBytes            = []byte("(PANIC=")
-	plusBytes             = []byte("+")
-	iBytes                = []byte("i")
-	trueBytes             = []byte("true")
-	falseBytes            = []byte("false")
-	interfaceBytes        = []byte("(interface {})")
-	commaNewlineBytes     = []byte(",\n")
-	newlineBytes          = []byte("\n")
-	openBraceBytes        = []byte("{")
-	openBraceNewlineBytes = []byte("{\n")
-	closeBraceBytes       = []byte("}")
-	asteriskBytes         = []byte("*")
-	colonBytes            = []byte(":")
-	colonSpaceBytes       = []byte(": ")
-	openParenBytes        = []byte("(")
-	closeParenBytes       = []byte(")")
-	spaceBytes            = []byte(" ")
-	pointerChainBytes     = []byte("->")
-	nilAngleBytes         = []byte("<nil>")
-	maxNewlineBytes       = []byte("<max depth reached>\n")
-	maxShortBytes         = []byte("<max>")
-	circularBytes         = []byte("<already shown>")
-	circularShortBytes    = []byte("<shown>")
-	invalidAngleBytes     = []byte("<invalid>")
-	openBracketBytes      = []byte("[")
-	closeBracketBytes     = []byte("]")
-	percentBytes          = []byte("%")
-	precisionBytes        = []byte(".")
-	openAngleBytes        = []byte("<")
-	closeAngleBytes       = []byte(">")
-	openMapBytes          = []byte("map[")
-	closeMapBytes         = []byte("]")
-	lenEqualsBytes        = []byte("len=")
-	capEqualsBytes        = []byte("cap=")
-)
-
-// hexDigits is used to map a decimal value to a hex digit.
-var hexDigits = "0123456789abcdef"
-
-// catchPanic handles any panics that might occur during the handleMethods
-// calls.
-func catchPanic(w io.Writer, v reflect.Value) {
-	if err := recover(); err != nil {
-		w.Write(panicBytes)
-		fmt.Fprintf(w, "%v", err)
-		w.Write(closeParenBytes)
-	}
-}
-
-// handleMethods attempts to call the Error and String methods on the underlying
-// type the passed reflect.Value represents and outputes the result to Writer w.
-//
-// It handles panics in any called methods by catching and displaying the error
-// as the formatted value.
-func handleMethods(cs *ConfigState, w io.Writer, v reflect.Value) (handled bool) {
-	// We need an interface to check if the type implements the error or
-	// Stringer interface.  However, the reflect package won't give us an
-	// interface on certain things like unexported struct fields in order
-	// to enforce visibility rules.  We use unsafe, when it's available,
-	// to bypass these restrictions since this package does not mutate the
-	// values.
-	if !v.CanInterface() {
-		if UnsafeDisabled {
-			return false
-		}
-
-		v = unsafeReflectValue(v)
-	}
-
-	// Choose whether or not to do error and Stringer interface lookups against
-	// the base type or a pointer to the base type depending on settings.
-	// Technically calling one of these methods with a pointer receiver can
-	// mutate the value, however, types which choose to satisify an error or
-	// Stringer interface with a pointer receiver should not be mutating their
-	// state inside these interface methods.
-	if !cs.DisablePointerMethods && !UnsafeDisabled && !v.CanAddr() {
-		v = unsafeReflectValue(v)
-	}
-	if v.CanAddr() {
-		v = v.Addr()
-	}
-
-	// Is it an error or Stringer?
-	switch iface := v.Interface().(type) {
-	case error:
-		defer catchPanic(w, v)
-		if cs.ContinueOnMethod {
-			w.Write(openParenBytes)
-			w.Write([]byte(iface.Error()))
-			w.Write(closeParenBytes)
-			w.Write(spaceBytes)
-			return false
-		}
-
-		w.Write([]byte(iface.Error()))
-		return true
-
-	case fmt.Stringer:
-		defer catchPanic(w, v)
-		if cs.ContinueOnMethod {
-			w.Write(openParenBytes)
-			w.Write([]byte(iface.String()))
-			w.Write(closeParenBytes)
-			w.Write(spaceBytes)
-			return false
-		}
-		w.Write([]byte(iface.String()))
-		return true
-	}
-	return false
-}
-
-// printBool outputs a boolean value as true or false to Writer w.
-func printBool(w io.Writer, val bool) {
-	if val {
-		w.Write(trueBytes)
-	} else {
-		w.Write(falseBytes)
-	}
-}
-
-// printInt outputs a signed integer value to Writer w.
-func printInt(w io.Writer, val int64, base int) {
-	w.Write([]byte(strconv.FormatInt(val, base)))
-}
-
-// printUint outputs an unsigned integer value to Writer w.
-func printUint(w io.Writer, val uint64, base int) {
-	w.Write([]byte(strconv.FormatUint(val, base)))
-}
-
-// printFloat outputs a floating point value using the specified precision,
-// which is expected to be 32 or 64bit, to Writer w.
-func printFloat(w io.Writer, val float64, precision int) {
-	w.Write([]byte(strconv.FormatFloat(val, 'g', -1, precision)))
-}
-
-// printComplex outputs a complex value using the specified float precision
-// for the real and imaginary parts to Writer w.
-func printComplex(w io.Writer, c complex128, floatPrecision int) {
-	r := real(c)
-	w.Write(openParenBytes)
-	w.Write([]byte(strconv.FormatFloat(r, 'g', -1, floatPrecision)))
-	i := imag(c)
-	if i >= 0 {
-		w.Write(plusBytes)
-	}
-	w.Write([]byte(strconv.FormatFloat(i, 'g', -1, floatPrecision)))
-	w.Write(iBytes)
-	w.Write(closeParenBytes)
-}
-
-// printHexPtr outputs a uintptr formatted as hexadecimal with a leading '0x'
-// prefix to Writer w.
-func printHexPtr(w io.Writer, p uintptr) {
-	// Null pointer.
-	num := uint64(p)
-	if num == 0 {
-		w.Write(nilAngleBytes)
-		return
-	}
-
-	// Max uint64 is 16 bytes in hex + 2 bytes for '0x' prefix
-	buf := make([]byte, 18)
-
-	// It's simpler to construct the hex string right to left.
-	base := uint64(16)
-	i := len(buf) - 1
-	for num >= base {
-		buf[i] = hexDigits[num%base]
-		num /= base
-		i--
-	}
-	buf[i] = hexDigits[num]
-
-	// Add '0x' prefix.
-	i--
-	buf[i] = 'x'
-	i--
-	buf[i] = '0'
-
-	// Strip unused leading bytes.
-	buf = buf[i:]
-	w.Write(buf)
-}
-
-// valuesSorter implements sort.Interface to allow a slice of reflect.Value
-// elements to be sorted.
-type valuesSorter struct {
-	values  []reflect.Value
-	strings []string // either nil or same len and values
-	cs      *ConfigState
-}
-
-// newValuesSorter initializes a valuesSorter instance, which holds a set of
-// surrogate keys on which the data should be sorted.  It uses flags in
-// ConfigState to decide if and how to populate those surrogate keys.
-func newValuesSorter(values []reflect.Value, cs *ConfigState) sort.Interface {
-	vs := &valuesSorter{values: values, cs: cs}
-	if canSortSimply(vs.values[0].Kind()) {
-		return vs
-	}
-	if !cs.DisableMethods {
-		vs.strings = make([]string, len(values))
-		for i := range vs.values {
-			b := bytes.Buffer{}
-			if !handleMethods(cs, &b, vs.values[i]) {
-				vs.strings = nil
-				break
-			}
-			vs.strings[i] = b.String()
-		}
-	}
-	if vs.strings == nil && cs.SpewKeys {
-		vs.strings = make([]string, len(values))
-		for i := range vs.values {
-			vs.strings[i] = Sprintf("%#v", vs.values[i].Interface())
-		}
-	}
-	return vs
-}
-
-// canSortSimply tests whether a reflect.Kind is a primitive that can be sorted
-// directly, or whether it should be considered for sorting by surrogate keys
-// (if the ConfigState allows it).
-func canSortSimply(kind reflect.Kind) bool {
-	// This switch parallels valueSortLess, except for the default case.
-	switch kind {
-	case reflect.Bool:
-		return true
-	case reflect.Int8, reflect.Int16, reflect.Int32, reflect.Int64, reflect.Int:
-		return true
-	case reflect.Uint8, reflect.Uint16, reflect.Uint32, reflect.Uint64, reflect.Uint:
-		return true
-	case reflect.Float32, reflect.Float64:
-		return true
-	case reflect.String:
-		return true
-	case reflect.Uintptr:
-		return true
-	case reflect.Array:
-		return true
-	}
-	return false
-}
-
-// Len returns the number of values in the slice.  It is part of the
-// sort.Interface implementation.
-func (s *valuesSorter) Len() int {
-	return len(s.values)
-}
-
-// Swap swaps the values at the passed indices.  It is part of the
-// sort.Interface implementation.
-func (s *valuesSorter) Swap(i, j int) {
-	s.values[i], s.values[j] = s.values[j], s.values[i]
-	if s.strings != nil {
-		s.strings[i], s.strings[j] = s.strings[j], s.strings[i]
-	}
-}
-
-// valueSortLess returns whether the first value should sort before the second
-// value.  It is used by valueSorter.Less as part of the sort.Interface
-// implementation.
-func valueSortLess(a, b reflect.Value) bool {
-	switch a.Kind() {
-	case reflect.Bool:
-		return !a.Bool() && b.Bool()
-	case reflect.Int8, reflect.Int16, reflect.Int32, reflect.Int64, reflect.Int:
-		return a.Int() < b.Int()
-	case reflect.Uint8, reflect.Uint16, reflect.Uint32, reflect.Uint64, reflect.Uint:
-		return a.Uint() < b.Uint()
-	case reflect.Float32, reflect.Float64:
-		return a.Float() < b.Float()
-	case reflect.String:
-		return a.String() < b.String()
-	case reflect.Uintptr:
-		return a.Uint() < b.Uint()
-	case reflect.Array:
-		// Compare the contents of both arrays.
-		l := a.Len()
-		for i := 0; i < l; i++ {
-			av := a.Index(i)
-			bv := b.Index(i)
-			if av.Interface() == bv.Interface() {
-				continue
-			}
-			return valueSortLess(av, bv)
-		}
-	}
-	return a.String() < b.String()
-}
-
-// Less returns whether the value at index i should sort before the
-// value at index j.  It is part of the sort.Interface implementation.
-func (s *valuesSorter) Less(i, j int) bool {
-	if s.strings == nil {
-		return valueSortLess(s.values[i], s.values[j])
-	}
-	return s.strings[i] < s.strings[j]
-}
-
-// sortValues is a sort function that handles both native types and any type that
-// can be converted to error or Stringer.  Other inputs are sorted according to
-// their Value.String() value to ensure display stability.
-func sortValues(values []reflect.Value, cs *ConfigState) {
-	if len(values) == 0 {
-		return
-	}
-	sort.Sort(newValuesSorter(values, cs))
-}

vendor/github.com/davecgh/go-spew/spew/config.go

@@ -1,306 +0,0 @@
-/*
- * Copyright (c) 2013-2016 Dave Collins <dave@davec.name>
- *
- * Permission to use, copy, modify, and distribute this software for any
- * purpose with or without fee is hereby granted, provided that the above
- * copyright notice and this permission notice appear in all copies.
- *
- * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
- * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
- * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
- * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
- * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
- * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
- * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
- */
-
-package spew
-
-import (
-	"bytes"
-	"fmt"
-	"io"
-	"os"
-)
-
-// ConfigState houses the configuration options used by spew to format and
-// display values.  There is a global instance, Config, that is used to control
-// all top-level Formatter and Dump functionality.  Each ConfigState instance
-// provides methods equivalent to the top-level functions.
-//
-// The zero value for ConfigState provides no indentation.  You would typically
-// want to set it to a space or a tab.
-//
-// Alternatively, you can use NewDefaultConfig to get a ConfigState instance
-// with default settings.  See the documentation of NewDefaultConfig for default
-// values.
-type ConfigState struct {
-	// Indent specifies the string to use for each indentation level.  The
-	// global config instance that all top-level functions use set this to a
-	// single space by default.  If you would like more indentation, you might
-	// set this to a tab with "\t" or perhaps two spaces with "  ".
-	Indent string
-
-	// MaxDepth controls the maximum number of levels to descend into nested
-	// data structures.  The default, 0, means there is no limit.
-	//
-	// NOTE: Circular data structures are properly detected, so it is not
-	// necessary to set this value unless you specifically want to limit deeply
-	// nested data structures.
-	MaxDepth int
-
-	// DisableMethods specifies whether or not error and Stringer interfaces are
-	// invoked for types that implement them.
-	DisableMethods bool
-
-	// DisablePointerMethods specifies whether or not to check for and invoke
-	// error and Stringer interfaces on types which only accept a pointer
-	// receiver when the current type is not a pointer.
-	//
-	// NOTE: This might be an unsafe action since calling one of these methods
-	// with a pointer receiver could technically mutate the value, however,
-	// in practice, types which choose to satisify an error or Stringer
-	// interface with a pointer receiver should not be mutating their state
-	// inside these interface methods.  As a result, this option relies on
-	// access to the unsafe package, so it will not have any effect when
-	// running in environments without access to the unsafe package such as
-	// Google App Engine or with the "safe" build tag specified.
-	DisablePointerMethods bool
-
-	// DisablePointerAddresses specifies whether to disable the printing of
-	// pointer addresses. This is useful when diffing data structures in tests.
-	DisablePointerAddresses bool
-
-	// DisableCapacities specifies whether to disable the printing of capacities
-	// for arrays, slices, maps and channels. This is useful when diffing
-	// data structures in tests.
-	DisableCapacities bool
-
-	// ContinueOnMethod specifies whether or not recursion should continue once
-	// a custom error or Stringer interface is invoked.  The default, false,
-	// means it will print the results of invoking the custom error or Stringer
-	// interface and return immediately instead of continuing to recurse into
-	// the internals of the data type.
-	//
-	// NOTE: This flag does not have any effect if method invocation is disabled
-	// via the DisableMethods or DisablePointerMethods options.
-	ContinueOnMethod bool
-
-	// SortKeys specifies map keys should be sorted before being printed. Use
-	// this to have a more deterministic, diffable output.  Note that only
-	// native types (bool, int, uint, floats, uintptr and string) and types
-	// that support the error or Stringer interfaces (if methods are
-	// enabled) are supported, with other types sorted according to the
-	// reflect.Value.String() output which guarantees display stability.
-	SortKeys bool
-
-	// SpewKeys specifies that, as a last resort attempt, map keys should
-	// be spewed to strings and sorted by those strings.  This is only
-	// considered if SortKeys is true.
-	SpewKeys bool
-}
-
-// Config is the active configuration of the top-level functions.
-// The configuration can be changed by modifying the contents of spew.Config.
-var Config = ConfigState{Indent: " "}
-
-// Errorf is a wrapper for fmt.Errorf that treats each argument as if it were
-// passed with a Formatter interface returned by c.NewFormatter.  It returns
-// the formatted string as a value that satisfies error.  See NewFormatter
-// for formatting details.
-//
-// This function is shorthand for the following syntax:
-//
-//	fmt.Errorf(format, c.NewFormatter(a), c.NewFormatter(b))
-func (c *ConfigState) Errorf(format string, a ...interface{}) (err error) {
-	return fmt.Errorf(format, c.convertArgs(a)...)
-}
-
-// Fprint is a wrapper for fmt.Fprint that treats each argument as if it were
-// passed with a Formatter interface returned by c.NewFormatter.  It returns
-// the number of bytes written and any write error encountered.  See
-// NewFormatter for formatting details.
-//
-// This function is shorthand for the following syntax:
-//
-//	fmt.Fprint(w, c.NewFormatter(a), c.NewFormatter(b))
-func (c *ConfigState) Fprint(w io.Writer, a ...interface{}) (n int, err error) {
-	return fmt.Fprint(w, c.convertArgs(a)...)
-}
-
-// Fprintf is a wrapper for fmt.Fprintf that treats each argument as if it were
-// passed with a Formatter interface returned by c.NewFormatter.  It returns
-// the number of bytes written and any write error encountered.  See
-// NewFormatter for formatting details.
-//
-// This function is shorthand for the following syntax:
-//
-//	fmt.Fprintf(w, format, c.NewFormatter(a), c.NewFormatter(b))
-func (c *ConfigState) Fprintf(w io.Writer, format string, a ...interface{}) (n int, err error) {
-	return fmt.Fprintf(w, format, c.convertArgs(a)...)
-}
-
-// Fprintln is a wrapper for fmt.Fprintln that treats each argument as if it
-// passed with a Formatter interface returned by c.NewFormatter.  See
-// NewFormatter for formatting details.
-//
-// This function is shorthand for the following syntax:
-//
-//	fmt.Fprintln(w, c.NewFormatter(a), c.NewFormatter(b))
-func (c *ConfigState) Fprintln(w io.Writer, a ...interface{}) (n int, err error) {
-	return fmt.Fprintln(w, c.convertArgs(a)...)
-}
-
-// Print is a wrapper for fmt.Print that treats each argument as if it were
-// passed with a Formatter interface returned by c.NewFormatter.  It returns
-// the number of bytes written and any write error encountered.  See
-// NewFormatter for formatting details.
-//
-// This function is shorthand for the following syntax:
-//
-//	fmt.Print(c.NewFormatter(a), c.NewFormatter(b))
-func (c *ConfigState) Print(a ...interface{}) (n int, err error) {
-	return fmt.Print(c.convertArgs(a)...)
-}
-
-// Printf is a wrapper for fmt.Printf that treats each argument as if it were
-// passed with a Formatter interface returned by c.NewFormatter.  It returns
-// the number of bytes written and any write error encountered.  See
-// NewFormatter for formatting details.
-//
-// This function is shorthand for the following syntax:
-//
-//	fmt.Printf(format, c.NewFormatter(a), c.NewFormatter(b))
-func (c *ConfigState) Printf(format string, a ...interface{}) (n int, err error) {
-	return fmt.Printf(format, c.convertArgs(a)...)
-}
-
-// Println is a wrapper for fmt.Println that treats each argument as if it were
-// passed with a Formatter interface returned by c.NewFormatter.  It returns
-// the number of bytes written and any write error encountered.  See
-// NewFormatter for formatting details.
-//
-// This function is shorthand for the following syntax:
-//
-//	fmt.Println(c.NewFormatter(a), c.NewFormatter(b))
-func (c *ConfigState) Println(a ...interface{}) (n int, err error) {
-	return fmt.Println(c.convertArgs(a)...)
-}
-
-// Sprint is a wrapper for fmt.Sprint that treats each argument as if it were
-// passed with a Formatter interface returned by c.NewFormatter.  It returns
-// the resulting string.  See NewFormatter for formatting details.
-//
-// This function is shorthand for the following syntax:
-//
-//	fmt.Sprint(c.NewFormatter(a), c.NewFormatter(b))
-func (c *ConfigState) Sprint(a ...interface{}) string {
-	return fmt.Sprint(c.convertArgs(a)...)
-}
-
-// Sprintf is a wrapper for fmt.Sprintf that treats each argument as if it were
-// passed with a Formatter interface returned by c.NewFormatter.  It returns
-// the resulting string.  See NewFormatter for formatting details.
-//
-// This function is shorthand for the following syntax:
-//
-//	fmt.Sprintf(format, c.NewFormatter(a), c.NewFormatter(b))
-func (c *ConfigState) Sprintf(format string, a ...interface{}) string {
-	return fmt.Sprintf(format, c.convertArgs(a)...)
-}
-
-// Sprintln is a wrapper for fmt.Sprintln that treats each argument as if it
-// were passed with a Formatter interface returned by c.NewFormatter.  It
-// returns the resulting string.  See NewFormatter for formatting details.
-//
-// This function is shorthand for the following syntax:
-//
-//	fmt.Sprintln(c.NewFormatter(a), c.NewFormatter(b))
-func (c *ConfigState) Sprintln(a ...interface{}) string {
-	return fmt.Sprintln(c.convertArgs(a)...)
-}
-
-/*
-NewFormatter returns a custom formatter that satisfies the fmt.Formatter
-interface.  As a result, it integrates cleanly with standard fmt package
-printing functions.  The formatter is useful for inline printing of smaller data
-types similar to the standard %v format specifier.
-
-The custom formatter only responds to the %v (most compact), %+v (adds pointer
-addresses), %#v (adds types), and %#+v (adds types and pointer addresses) verb
-combinations.  Any other verbs such as %x and %q will be sent to the the
-standard fmt package for formatting.  In addition, the custom formatter ignores
-the width and precision arguments (however they will still work on the format
-specifiers not handled by the custom formatter).
-
-Typically this function shouldn't be called directly.  It is much easier to make
-use of the custom formatter by calling one of the convenience functions such as
-c.Printf, c.Println, or c.Printf.
-*/
-func (c *ConfigState) NewFormatter(v interface{}) fmt.Formatter {
-	return newFormatter(c, v)
-}
-
-// Fdump formats and displays the passed arguments to io.Writer w.  It formats
-// exactly the same as Dump.
-func (c *ConfigState) Fdump(w io.Writer, a ...interface{}) {
-	fdump(c, w, a...)
-}
-
-/*
-Dump displays the passed parameters to standard out with newlines, customizable
-indentation, and additional debug information such as complete types and all
-pointer addresses used to indirect to the final value.  It provides the
-following features over the built-in printing facilities provided by the fmt
-package:
-
-	* Pointers are dereferenced and followed
-	* Circular data structures are detected and handled properly
-	* Custom Stringer/error interfaces are optionally invoked, including
-	  on unexported types
-	* Custom types which only implement the Stringer/error interfaces via
-	  a pointer receiver are optionally invoked when passing non-pointer
-	  variables
-	* Byte arrays and slices are dumped like the hexdump -C command which
-	  includes offsets, byte values in hex, and ASCII output
-
-The configuration options are controlled by modifying the public members
-of c.  See ConfigState for options documentation.
-
-See Fdump if you would prefer dumping to an arbitrary io.Writer or Sdump to
-get the formatted result as a string.
-*/
-func (c *ConfigState) Dump(a ...interface{}) {
-	fdump(c, os.Stdout, a...)
-}
-
-// Sdump returns a string with the passed arguments formatted exactly the same
-// as Dump.
-func (c *ConfigState) Sdump(a ...interface{}) string {
-	var buf bytes.Buffer
-	fdump(c, &buf, a...)
-	return buf.String()
-}
-
-// convertArgs accepts a slice of arguments and returns a slice of the same
-// length with each argument converted to a spew Formatter interface using
-// the ConfigState associated with s.
-func (c *ConfigState) convertArgs(args []interface{}) (formatters []interface{}) {
-	formatters = make([]interface{}, len(args))
-	for index, arg := range args {
-		formatters[index] = newFormatter(c, arg)
-	}
-	return formatters
-}
-
-// NewDefaultConfig returns a ConfigState with the following default settings.
-//
-// 	Indent: " "
-// 	MaxDepth: 0
-// 	DisableMethods: false
-// 	DisablePointerMethods: false
-// 	ContinueOnMethod: false
-// 	SortKeys: false
-func NewDefaultConfig() *ConfigState {
-	return &ConfigState{Indent: " "}
-}

vendor/github.com/davecgh/go-spew/spew/doc.go

@@ -1,211 +0,0 @@
-/*
- * Copyright (c) 2013-2016 Dave Collins <dave@davec.name>
- *
- * Permission to use, copy, modify, and distribute this software for any
- * purpose with or without fee is hereby granted, provided that the above
- * copyright notice and this permission notice appear in all copies.
- *
- * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
- * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
- * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
- * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
- * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
- * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
- * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
- */
-
-/*
-Package spew implements a deep pretty printer for Go data structures to aid in
-debugging.
-
-A quick overview of the additional features spew provides over the built-in
-printing facilities for Go data types are as follows:
-
-	* Pointers are dereferenced and followed
-	* Circular data structures are detected and handled properly
-	* Custom Stringer/error interfaces are optionally invoked, including
-	  on unexported types
-	* Custom types which only implement the Stringer/error interfaces via
-	  a pointer receiver are optionally invoked when passing non-pointer
-	  variables
-	* Byte arrays and slices are dumped like the hexdump -C command which
-	  includes offsets, byte values in hex, and ASCII output (only when using
-	  Dump style)
-
-There are two different approaches spew allows for dumping Go data structures:
-
-	* Dump style which prints with newlines, customizable indentation,
-	  and additional debug information such as types and all pointer addresses
-	  used to indirect to the final value
-	* A custom Formatter interface that integrates cleanly with the standard fmt
-	  package and replaces %v, %+v, %#v, and %#+v to provide inline printing
-	  similar to the default %v while providing the additional functionality
-	  outlined above and passing unsupported format verbs such as %x and %q
-	  along to fmt
-
-Quick Start
-
-This section demonstrates how to quickly get started with spew.  See the
-sections below for further details on formatting and configuration options.
-
-To dump a variable with full newlines, indentation, type, and pointer
-information use Dump, Fdump, or Sdump:
-	spew.Dump(myVar1, myVar2, ...)
-	spew.Fdump(someWriter, myVar1, myVar2, ...)
-	str := spew.Sdump(myVar1, myVar2, ...)
-
-Alternatively, if you would prefer to use format strings with a compacted inline
-printing style, use the convenience wrappers Printf, Fprintf, etc with
-%v (most compact), %+v (adds pointer addresses), %#v (adds types), or
-%#+v (adds types and pointer addresses):
-	spew.Printf("myVar1: %v -- myVar2: %+v", myVar1, myVar2)
-	spew.Printf("myVar3: %#v -- myVar4: %#+v", myVar3, myVar4)
-	spew.Fprintf(someWriter, "myVar1: %v -- myVar2: %+v", myVar1, myVar2)
-	spew.Fprintf(someWriter, "myVar3: %#v -- myVar4: %#+v", myVar3, myVar4)
-
-Configuration Options
-
-Configuration of spew is handled by fields in the ConfigState type.  For
-convenience, all of the top-level functions use a global state available
-via the spew.Config global.
-
-It is also possible to create a ConfigState instance that provides methods
-equivalent to the top-level functions.  This allows concurrent configuration
-options.  See the ConfigState documentation for more details.
-
-The following configuration options are available:
-	* Indent
-		String to use for each indentation level for Dump functions.
-		It is a single space by default.  A popular alternative is "\t".
-
-	* MaxDepth
-		Maximum number of levels to descend into nested data structures.
-		There is no limit by default.
-
-	* DisableMethods
-		Disables invocation of error and Stringer interface methods.
-		Method invocation is enabled by default.
-
-	* DisablePointerMethods
-		Disables invocation of error and Stringer interface methods on types
-		which only accept pointer receivers from non-pointer variables.
-		Pointer method invocation is enabled by default.
-
-	* DisablePointerAddresses
-		DisablePointerAddresses specifies whether to disable the printing of
-		pointer addresses. This is useful when diffing data structures in tests.
-
-	* DisableCapacities
-		DisableCapacities specifies whether to disable the printing of
-		capacities for arrays, slices, maps and channels. This is useful when
-		diffing data structures in tests.
-
-	* ContinueOnMethod
-		Enables recursion into types after invoking error and Stringer interface
-		methods. Recursion after method invocation is disabled by default.
-
-	* SortKeys
-		Specifies map keys should be sorted before being printed. Use
-		this to have a more deterministic, diffable output.  Note that
-		only native types (bool, int, uint, floats, uintptr and string)
-		and types which implement error or Stringer interfaces are
-		supported with other types sorted according to the
-		reflect.Value.String() output which guarantees display
-		stability.  Natural map order is used by default.
-
-	* SpewKeys
-		Specifies that, as a last resort attempt, map keys should be
-		spewed to strings and sorted by those strings.  This is only
-		considered if SortKeys is true.
-
-Dump Usage
-
-Simply call spew.Dump with a list of variables you want to dump:
-
-	spew.Dump(myVar1, myVar2, ...)
-
-You may also call spew.Fdump if you would prefer to output to an arbitrary
-io.Writer.  For example, to dump to standard error:
-
-	spew.Fdump(os.Stderr, myVar1, myVar2, ...)
-
-A third option is to call spew.Sdump to get the formatted output as a string:
-
-	str := spew.Sdump(myVar1, myVar2, ...)
-
-Sample Dump Output
-
-See the Dump example for details on the setup of the types and variables being
-shown here.
-
-	(main.Foo) {
-	 unexportedField: (*main.Bar)(0xf84002e210)({
-	  flag: (main.Flag) flagTwo,
-	  data: (uintptr) <nil>
-	 }),
-	 ExportedField: (map[interface {}]interface {}) (len=1) {
-	  (string) (len=3) "one": (bool) true
-	 }
-	}
-
-Byte (and uint8) arrays and slices are displayed uniquely like the hexdump -C
-command as shown.
-	([]uint8) (len=32 cap=32) {
-	 00000000  11 12 13 14 15 16 17 18  19 1a 1b 1c 1d 1e 1f 20  |............... |
-	 00000010  21 22 23 24 25 26 27 28  29 2a 2b 2c 2d 2e 2f 30  |!"#$%&'()*+,-./0|
-	 00000020  31 32                                             |12|
-	}
-
-Custom Formatter
-
-Spew provides a custom formatter that implements the fmt.Formatter interface
-so that it integrates cleanly with standard fmt package printing functions. The
-formatter is useful for inline printing of smaller data types similar to the
-standard %v format specifier.
-
-The custom formatter only responds to the %v (most compact), %+v (adds pointer
-addresses), %#v (adds types), or %#+v (adds types and pointer addresses) verb
-combinations.  Any other verbs such as %x and %q will be sent to the the
-standard fmt package for formatting.  In addition, the custom formatter ignores
-the width and precision arguments (however they will still work on the format
-specifiers not handled by the custom formatter).
-
-Custom Formatter Usage
-
-The simplest way to make use of the spew custom formatter is to call one of the
-convenience functions such as spew.Printf, spew.Println, or spew.Printf.  The
-functions have syntax you are most likely already familiar with:
-
-	spew.Printf("myVar1: %v -- myVar2: %+v", myVar1, myVar2)
-	spew.Printf("myVar3: %#v -- myVar4: %#+v", myVar3, myVar4)
-	spew.Println(myVar, myVar2)
-	spew.Fprintf(os.Stderr, "myVar1: %v -- myVar2: %+v", myVar1, myVar2)
-	spew.Fprintf(os.Stderr, "myVar3: %#v -- myVar4: %#+v", myVar3, myVar4)
-
-See the Index for the full list convenience functions.
-
-Sample Formatter Output
-
-Double pointer to a uint8:
-	  %v: <**>5
-	 %+v: <**>(0xf8400420d0->0xf8400420c8)5
-	 %#v: (**uint8)5
-	%#+v: (**uint8)(0xf8400420d0->0xf8400420c8)5
-
-Pointer to circular struct with a uint8 field and a pointer to itself:
-	  %v: <*>{1 <*><shown>}
-	 %+v: <*>(0xf84003e260){ui8:1 c:<*>(0xf84003e260)<shown>}
-	 %#v: (*main.circular){ui8:(uint8)1 c:(*main.circular)<shown>}
-	%#+v: (*main.circular)(0xf84003e260){ui8:(uint8)1 c:(*main.circular)(0xf84003e260)<shown>}
-
-See the Printf example for details on the setup of variables being shown
-here.
-
-Errors
-
-Since it is possible for custom Stringer/error interfaces to panic, spew
-detects them and handles them internally by printing the panic information
-inline with the output.  Since spew is intended to provide deep pretty printing
-capabilities on structures, it intentionally does not return any errors.
-*/
-package spew

vendor/github.com/davecgh/go-spew/spew/dump.go

@@ -1,509 +0,0 @@
-/*
- * Copyright (c) 2013-2016 Dave Collins <dave@davec.name>
- *
- * Permission to use, copy, modify, and distribute this software for any
- * purpose with or without fee is hereby granted, provided that the above
- * copyright notice and this permission notice appear in all copies.
- *
- * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
- * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
- * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
- * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
- * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
- * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
- * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
- */
-
-package spew
-
-import (
-	"bytes"
-	"encoding/hex"
-	"fmt"
-	"io"
-	"os"
-	"reflect"
-	"regexp"
-	"strconv"
-	"strings"
-)
-
-var (
-	// uint8Type is a reflect.Type representing a uint8.  It is used to
-	// convert cgo types to uint8 slices for hexdumping.
-	uint8Type = reflect.TypeOf(uint8(0))
-
-	// cCharRE is a regular expression that matches a cgo char.
-	// It is used to detect character arrays to hexdump them.
-	cCharRE = regexp.MustCompile("^.*\\._Ctype_char$")
-
-	// cUnsignedCharRE is a regular expression that matches a cgo unsigned
-	// char.  It is used to detect unsigned character arrays to hexdump
-	// them.
-	cUnsignedCharRE = regexp.MustCompile("^.*\\._Ctype_unsignedchar$")
-
-	// cUint8tCharRE is a regular expression that matches a cgo uint8_t.
-	// It is used to detect uint8_t arrays to hexdump them.
-	cUint8tCharRE = regexp.MustCompile("^.*\\._Ctype_uint8_t$")
-)
-
-// dumpState contains information about the state of a dump operation.
-type dumpState struct {
-	w                io.Writer
-	depth            int
-	pointers         map[uintptr]int
-	ignoreNextType   bool
-	ignoreNextIndent bool
-	cs               *ConfigState
-}
-
-// indent performs indentation according to the depth level and cs.Indent
-// option.
-func (d *dumpState) indent() {
-	if d.ignoreNextIndent {
-		d.ignoreNextIndent = false
-		return
-	}
-	d.w.Write(bytes.Repeat([]byte(d.cs.Indent), d.depth))
-}
-
-// unpackValue returns values inside of non-nil interfaces when possible.
-// This is useful for data types like structs, arrays, slices, and maps which
-// can contain varying types packed inside an interface.
-func (d *dumpState) unpackValue(v reflect.Value) reflect.Value {
-	if v.Kind() == reflect.Interface && !v.IsNil() {
-		v = v.Elem()
-	}
-	return v
-}
-
-// dumpPtr handles formatting of pointers by indirecting them as necessary.
-func (d *dumpState) dumpPtr(v reflect.Value) {
-	// Remove pointers at or below the current depth from map used to detect
-	// circular refs.
-	for k, depth := range d.pointers {
-		if depth >= d.depth {
-			delete(d.pointers, k)
-		}
-	}
-
-	// Keep list of all dereferenced pointers to show later.
-	pointerChain := make([]uintptr, 0)
-
-	// Figure out how many levels of indirection there are by dereferencing
-	// pointers and unpacking interfaces down the chain while detecting circular
-	// references.
-	nilFound := false
-	cycleFound := false
-	indirects := 0
-	ve := v
-	for ve.Kind() == reflect.Ptr {
-		if ve.IsNil() {
-			nilFound = true
-			break
-		}
-		indirects++
-		addr := ve.Pointer()
-		pointerChain = append(pointerChain, addr)
-		if pd, ok := d.pointers[addr]; ok && pd < d.depth {
-			cycleFound = true
-			indirects--
-			break
-		}
-		d.pointers[addr] = d.depth
-
-		ve = ve.Elem()
-		if ve.Kind() == reflect.Interface {
-			if ve.IsNil() {
-				nilFound = true
-				break
-			}
-			ve = ve.Elem()
-		}
-	}
-
-	// Display type information.
-	d.w.Write(openParenBytes)
-	d.w.Write(bytes.Repeat(asteriskBytes, indirects))
-	d.w.Write([]byte(ve.Type().String()))
-	d.w.Write(closeParenBytes)
-
-	// Display pointer information.
-	if !d.cs.DisablePointerAddresses && len(pointerChain) > 0 {
-		d.w.Write(openParenBytes)
-		for i, addr := range pointerChain {
-			if i > 0 {
-				d.w.Write(pointerChainBytes)
-			}
-			printHexPtr(d.w, addr)
-		}
-		d.w.Write(closeParenBytes)
-	}
-
-	// Display dereferenced value.
-	d.w.Write(openParenBytes)
-	switch {
-	case nilFound == true:
-		d.w.Write(nilAngleBytes)
-
-	case cycleFound == true:
-		d.w.Write(circularBytes)
-
-	default:
-		d.ignoreNextType = true
-		d.dump(ve)
-	}
-	d.w.Write(closeParenBytes)
-}
-
-// dumpSlice handles formatting of arrays and slices.  Byte (uint8 under
-// reflection) arrays and slices are dumped in hexdump -C fashion.
-func (d *dumpState) dumpSlice(v reflect.Value) {
-	// Determine whether this type should be hex dumped or not.  Also,
-	// for types which should be hexdumped, try to use the underlying data
-	// first, then fall back to trying to convert them to a uint8 slice.
-	var buf []uint8
-	doConvert := false
-	doHexDump := false
-	numEntries := v.Len()
-	if numEntries > 0 {
-		vt := v.Index(0).Type()
-		vts := vt.String()
-		switch {
-		// C types that need to be converted.
-		case cCharRE.MatchString(vts):
-			fallthrough
-		case cUnsignedCharRE.MatchString(vts):
-			fallthrough
-		case cUint8tCharRE.MatchString(vts):
-			doConvert = true
-
-		// Try to use existing uint8 slices and fall back to converting
-		// and copying if that fails.
-		case vt.Kind() == reflect.Uint8:
-			// We need an addressable interface to convert the type
-			// to a byte slice.  However, the reflect package won't
-			// give us an interface on certain things like
-			// unexported struct fields in order to enforce
-			// visibility rules.  We use unsafe, when available, to
-			// bypass these restrictions since this package does not
-			// mutate the values.
-			vs := v
-			if !vs.CanInterface() || !vs.CanAddr() {
-				vs = unsafeReflectValue(vs)
-			}
-			if !UnsafeDisabled {
-				vs = vs.Slice(0, numEntries)
-
-				// Use the existing uint8 slice if it can be
-				// type asserted.
-				iface := vs.Interface()
-				if slice, ok := iface.([]uint8); ok {
-					buf = slice
-					doHexDump = true
-					break
-				}
-			}
-
-			// The underlying data needs to be converted if it can't
-			// be type asserted to a uint8 slice.
-			doConvert = true
-		}
-
-		// Copy and convert the underlying type if needed.
-		if doConvert && vt.ConvertibleTo(uint8Type) {
-			// Convert and copy each element into a uint8 byte
-			// slice.
-			buf = make([]uint8, numEntries)
-			for i := 0; i < numEntries; i++ {
-				vv := v.Index(i)
-				buf[i] = uint8(vv.Convert(uint8Type).Uint())
-			}
-			doHexDump = true
-		}
-	}
-
-	// Hexdump the entire slice as needed.
-	if doHexDump {
-		indent := strings.Repeat(d.cs.Indent, d.depth)
-		str := indent + hex.Dump(buf)
-		str = strings.Replace(str, "\n", "\n"+indent, -1)
-		str = strings.TrimRight(str, d.cs.Indent)
-		d.w.Write([]byte(str))
-		return
-	}
-
-	// Recursively call dump for each item.
-	for i := 0; i < numEntries; i++ {
-		d.dump(d.unpackValue(v.Index(i)))
-		if i < (numEntries - 1) {
-			d.w.Write(commaNewlineBytes)
-		} else {
-			d.w.Write(newlineBytes)
-		}
-	}
-}
-
-// dump is the main workhorse for dumping a value.  It uses the passed reflect
-// value to figure out what kind of object we are dealing with and formats it
-// appropriately.  It is a recursive function, however circular data structures
-// are detected and handled properly.
-func (d *dumpState) dump(v reflect.Value) {
-	// Handle invalid reflect values immediately.
-	kind := v.Kind()
-	if kind == reflect.Invalid {
-		d.w.Write(invalidAngleBytes)
-		return
-	}
-
-	// Handle pointers specially.
-	if kind == reflect.Ptr {
-		d.indent()
-		d.dumpPtr(v)
-		return
-	}
-
-	// Print type information unless already handled elsewhere.
-	if !d.ignoreNextType {
-		d.indent()
-		d.w.Write(openParenBytes)
-		d.w.Write([]byte(v.Type().String()))
-		d.w.Write(closeParenBytes)
-		d.w.Write(spaceBytes)
-	}
-	d.ignoreNextType = false
-
-	// Display length and capacity if the built-in len and cap functions
-	// work with the value's kind and the len/cap itself is non-zero.
-	valueLen, valueCap := 0, 0
-	switch v.Kind() {
-	case reflect.Array, reflect.Slice, reflect.Chan:
-		valueLen, valueCap = v.Len(), v.Cap()
-	case reflect.Map, reflect.String:
-		valueLen = v.Len()
-	}
-	if valueLen != 0 || !d.cs.DisableCapacities && valueCap != 0 {
-		d.w.Write(openParenBytes)
-		if valueLen != 0 {
-			d.w.Write(lenEqualsBytes)
-			printInt(d.w, int64(valueLen), 10)
-		}
-		if !d.cs.DisableCapacities && valueCap != 0 {
-			if valueLen != 0 {
-				d.w.Write(spaceBytes)
-			}
-			d.w.Write(capEqualsBytes)
-			printInt(d.w, int64(valueCap), 10)
-		}
-		d.w.Write(closeParenBytes)
-		d.w.Write(spaceBytes)
-	}
-
-	// Call Stringer/error interfaces if they exist and the handle methods flag
-	// is enabled
-	if !d.cs.DisableMethods {
-		if (kind != reflect.Invalid) && (kind != reflect.Interface) {
-			if handled := handleMethods(d.cs, d.w, v); handled {
-				return
-			}
-		}
-	}
-
-	switch kind {
-	case reflect.Invalid:
-		// Do nothing.  We should never get here since invalid has already
-		// been handled above.
-
-	case reflect.Bool:
-		printBool(d.w, v.Bool())
-
-	case reflect.Int8, reflect.Int16, reflect.Int32, reflect.Int64, reflect.Int:
-		printInt(d.w, v.Int(), 10)
-
-	case reflect.Uint8, reflect.Uint16, reflect.Uint32, reflect.Uint64, reflect.Uint:
-		printUint(d.w, v.Uint(), 10)
-
-	case reflect.Float32:
-		printFloat(d.w, v.Float(), 32)
-
-	case reflect.Float64:
-		printFloat(d.w, v.Float(), 64)
-
-	case reflect.Complex64:
-		printComplex(d.w, v.Complex(), 32)
-
-	case reflect.Complex128:
-		printComplex(d.w, v.Complex(), 64)
-
-	case reflect.Slice:
-		if v.IsNil() {
-			d.w.Write(nilAngleBytes)
-			break
-		}
-		fallthrough
-
-	case reflect.Array:
-		d.w.Write(openBraceNewlineBytes)
-		d.depth++
-		if (d.cs.MaxDepth != 0) && (d.depth > d.cs.MaxDepth) {
-			d.indent()
-			d.w.Write(maxNewlineBytes)
-		} else {
-			d.dumpSlice(v)
-		}
-		d.depth--
-		d.indent()
-		d.w.Write(closeBraceBytes)
-
-	case reflect.String:
-		d.w.Write([]byte(strconv.Quote(v.String())))
-
-	case reflect.Interface:
-		// The only time we should get here is for nil interfaces due to
-		// unpackValue calls.
-		if v.IsNil() {
-			d.w.Write(nilAngleBytes)
-		}
-
-	case reflect.Ptr:
-		// Do nothing.  We should never get here since pointers have already
-		// been handled above.
-
-	case reflect.Map:
-		// nil maps should be indicated as different than empty maps
-		if v.IsNil() {
-			d.w.Write(nilAngleBytes)
-			break
-		}
-
-		d.w.Write(openBraceNewlineBytes)
-		d.depth++
-		if (d.cs.MaxDepth != 0) && (d.depth > d.cs.MaxDepth) {
-			d.indent()
-			d.w.Write(maxNewlineBytes)
-		} else {
-			numEntries := v.Len()
-			keys := v.MapKeys()
-			if d.cs.SortKeys {
-				sortValues(keys, d.cs)
-			}
-			for i, key := range keys {
-				d.dump(d.unpackValue(key))
-				d.w.Write(colonSpaceBytes)
-				d.ignoreNextIndent = true
-				d.dump(d.unpackValue(v.MapIndex(key)))
-				if i < (numEntries - 1) {
-					d.w.Write(commaNewlineBytes)
-				} else {
-					d.w.Write(newlineBytes)
-				}
-			}
-		}
-		d.depth--
-		d.indent()
-		d.w.Write(closeBraceBytes)
-
-	case reflect.Struct:
-		d.w.Write(openBraceNewlineBytes)
-		d.depth++
-		if (d.cs.MaxDepth != 0) && (d.depth > d.cs.MaxDepth) {
-			d.indent()
-			d.w.Write(maxNewlineBytes)
-		} else {
-			vt := v.Type()
-			numFields := v.NumField()
-			for i := 0; i < numFields; i++ {
-				d.indent()
-				vtf := vt.Field(i)
-				d.w.Write([]byte(vtf.Name))
-				d.w.Write(colonSpaceBytes)
-				d.ignoreNextIndent = true
-				d.dump(d.unpackValue(v.Field(i)))
-				if i < (numFields - 1) {
-					d.w.Write(commaNewlineBytes)
-				} else {
-					d.w.Write(newlineBytes)
-				}
-			}
-		}
-		d.depth--
-		d.indent()
-		d.w.Write(closeBraceBytes)
-
-	case reflect.Uintptr:
-		printHexPtr(d.w, uintptr(v.Uint()))
-
-	case reflect.UnsafePointer, reflect.Chan, reflect.Func:
-		printHexPtr(d.w, v.Pointer())
-
-	// There were not any other types at the time this code was written, but
-	// fall back to letting the default fmt package handle it in case any new
-	// types are added.
-	default:
-		if v.CanInterface() {
-			fmt.Fprintf(d.w, "%v", v.Interface())
-		} else {
-			fmt.Fprintf(d.w, "%v", v.String())
-		}
-	}
-}
-
-// fdump is a helper function to consolidate the logic from the various public
-// methods which take varying writers and config states.
-func fdump(cs *ConfigState, w io.Writer, a ...interface{}) {
-	for _, arg := range a {
-		if arg == nil {
-			w.Write(interfaceBytes)
-			w.Write(spaceBytes)
-			w.Write(nilAngleBytes)
-			w.Write(newlineBytes)
-			continue
-		}
-
-		d := dumpState{w: w, cs: cs}
-		d.pointers = make(map[uintptr]int)
-		d.dump(reflect.ValueOf(arg))
-		d.w.Write(newlineBytes)
-	}
-}
-
-// Fdump formats and displays the passed arguments to io.Writer w.  It formats
-// exactly the same as Dump.
-func Fdump(w io.Writer, a ...interface{}) {
-	fdump(&Config, w, a...)
-}
-
-// Sdump returns a string with the passed arguments formatted exactly the same
-// as Dump.
-func Sdump(a ...interface{}) string {
-	var buf bytes.Buffer
-	fdump(&Config, &buf, a...)
-	return buf.String()
-}
-
-/*
-Dump displays the passed parameters to standard out with newlines, customizable
-indentation, and additional debug information such as complete types and all
-pointer addresses used to indirect to the final value.  It provides the
-following features over the built-in printing facilities provided by the fmt
-package:
-
-	* Pointers are dereferenced and followed
-	* Circular data structures are detected and handled properly
-	* Custom Stringer/error interfaces are optionally invoked, including
-	  on unexported types
-	* Custom types which only implement the Stringer/error interfaces via
-	  a pointer receiver are optionally invoked when passing non-pointer
-	  variables
-	* Byte arrays and slices are dumped like the hexdump -C command which
-	  includes offsets, byte values in hex, and ASCII output
-
-The configuration options are controlled by an exported package global,
-spew.Config.  See ConfigState for options documentation.
-
-See Fdump if you would prefer dumping to an arbitrary io.Writer or Sdump to
-get the formatted result as a string.
-*/
-func Dump(a ...interface{}) {
-	fdump(&Config, os.Stdout, a...)
-}

vendor/github.com/davecgh/go-spew/spew/format.go

@@ -1,419 +0,0 @@
-/*
- * Copyright (c) 2013-2016 Dave Collins <dave@davec.name>
- *
- * Permission to use, copy, modify, and distribute this software for any
- * purpose with or without fee is hereby granted, provided that the above
- * copyright notice and this permission notice appear in all copies.
- *
- * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
- * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
- * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
- * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
- * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
- * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
- * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
- */
-
-package spew
-
-import (
-	"bytes"
-	"fmt"
-	"reflect"
-	"strconv"
-	"strings"
-)
-
-// supportedFlags is a list of all the character flags supported by fmt package.
-const supportedFlags = "0-+# "
-
-// formatState implements the fmt.Formatter interface and contains information
-// about the state of a formatting operation.  The NewFormatter function can
-// be used to get a new Formatter which can be used directly as arguments
-// in standard fmt package printing calls.
-type formatState struct {
-	value          interface{}
-	fs             fmt.State
-	depth          int
-	pointers       map[uintptr]int
-	ignoreNextType bool
-	cs             *ConfigState
-}
-
-// buildDefaultFormat recreates the original format string without precision
-// and width information to pass in to fmt.Sprintf in the case of an
-// unrecognized type.  Unless new types are added to the language, this
-// function won't ever be called.
-func (f *formatState) buildDefaultFormat() (format string) {
-	buf := bytes.NewBuffer(percentBytes)
-
-	for _, flag := range supportedFlags {
-		if f.fs.Flag(int(flag)) {
-			buf.WriteRune(flag)
-		}
-	}
-
-	buf.WriteRune('v')
-
-	format = buf.String()
-	return format
-}
-
-// constructOrigFormat recreates the original format string including precision
-// and width information to pass along to the standard fmt package.  This allows
-// automatic deferral of all format strings this package doesn't support.
-func (f *formatState) constructOrigFormat(verb rune) (format string) {
-	buf := bytes.NewBuffer(percentBytes)
-
-	for _, flag := range supportedFlags {
-		if f.fs.Flag(int(flag)) {
-			buf.WriteRune(flag)
-		}
-	}
-
-	if width, ok := f.fs.Width(); ok {
-		buf.WriteString(strconv.Itoa(width))
-	}
-
-	if precision, ok := f.fs.Precision(); ok {
-		buf.Write(precisionBytes)
-		buf.WriteString(strconv.Itoa(precision))
-	}
-
-	buf.WriteRune(verb)
-
-	format = buf.String()
-	return format
-}
-
-// unpackValue returns values inside of non-nil interfaces when possible and
-// ensures that types for values which have been unpacked from an interface
-// are displayed when the show types flag is also set.
-// This is useful for data types like structs, arrays, slices, and maps which
-// can contain varying types packed inside an interface.
-func (f *formatState) unpackValue(v reflect.Value) reflect.Value {
-	if v.Kind() == reflect.Interface {
-		f.ignoreNextType = false
-		if !v.IsNil() {
-			v = v.Elem()
-		}
-	}
-	return v
-}
-
-// formatPtr handles formatting of pointers by indirecting them as necessary.
-func (f *formatState) formatPtr(v reflect.Value) {
-	// Display nil if top level pointer is nil.
-	showTypes := f.fs.Flag('#')
-	if v.IsNil() && (!showTypes || f.ignoreNextType) {
-		f.fs.Write(nilAngleBytes)
-		return
-	}
-
-	// Remove pointers at or below the current depth from map used to detect
-	// circular refs.
-	for k, depth := range f.pointers {
-		if depth >= f.depth {
-			delete(f.pointers, k)
-		}
-	}
-
-	// Keep list of all dereferenced pointers to possibly show later.
-	pointerChain := make([]uintptr, 0)
-
-	// Figure out how many levels of indirection there are by derferencing
-	// pointers and unpacking interfaces down the chain while detecting circular
-	// references.
-	nilFound := false
-	cycleFound := false
-	indirects := 0
-	ve := v
-	for ve.Kind() == reflect.Ptr {
-		if ve.IsNil() {
-			nilFound = true
-			break
-		}
-		indirects++
-		addr := ve.Pointer()
-		pointerChain = append(pointerChain, addr)
-		if pd, ok := f.pointers[addr]; ok && pd < f.depth {
-			cycleFound = true
-			indirects--
-			break
-		}
-		f.pointers[addr] = f.depth
-
-		ve = ve.Elem()
-		if ve.Kind() == reflect.Interface {
-			if ve.IsNil() {
-				nilFound = true
-				break
-			}
-			ve = ve.Elem()
-		}
-	}
-
-	// Display type or indirection level depending on flags.
-	if showTypes && !f.ignoreNextType {
-		f.fs.Write(openParenBytes)
-		f.fs.Write(bytes.Repeat(asteriskBytes, indirects))
-		f.fs.Write([]byte(ve.Type().String()))
-		f.fs.Write(closeParenBytes)
-	} else {
-		if nilFound || cycleFound {
-			indirects += strings.Count(ve.Type().String(), "*")
-		}
-		f.fs.Write(openAngleBytes)
-		f.fs.Write([]byte(strings.Repeat("*", indirects)))
-		f.fs.Write(closeAngleBytes)
-	}
-
-	// Display pointer information depending on flags.
-	if f.fs.Flag('+') && (len(pointerChain) > 0) {
-		f.fs.Write(openParenBytes)
-		for i, addr := range pointerChain {
-			if i > 0 {
-				f.fs.Write(pointerChainBytes)
-			}
-			printHexPtr(f.fs, addr)
-		}
-		f.fs.Write(closeParenBytes)
-	}
-
-	// Display dereferenced value.
-	switch {
-	case nilFound == true:
-		f.fs.Write(nilAngleBytes)
-
-	case cycleFound == true:
-		f.fs.Write(circularShortBytes)
-
-	default:
-		f.ignoreNextType = true
-		f.format(ve)
-	}
-}
-
-// format is the main workhorse for providing the Formatter interface.  It
-// uses the passed reflect value to figure out what kind of object we are
-// dealing with and formats it appropriately.  It is a recursive function,
-// however circular data structures are detected and handled properly.
-func (f *formatState) format(v reflect.Value) {
-	// Handle invalid reflect values immediately.
-	kind := v.Kind()
-	if kind == reflect.Invalid {
-		f.fs.Write(invalidAngleBytes)
-		return
-	}
-
-	// Handle pointers specially.
-	if kind == reflect.Ptr {
-		f.formatPtr(v)
-		return
-	}
-
-	// Print type information unless already handled elsewhere.
-	if !f.ignoreNextType && f.fs.Flag('#') {
-		f.fs.Write(openParenBytes)
-		f.fs.Write([]byte(v.Type().String()))
-		f.fs.Write(closeParenBytes)
-	}
-	f.ignoreNextType = false
-
-	// Call Stringer/error interfaces if they exist and the handle methods
-	// flag is enabled.
-	if !f.cs.DisableMethods {
-		if (kind != reflect.Invalid) && (kind != reflect.Interface) {
-			if handled := handleMethods(f.cs, f.fs, v); handled {
-				return
-			}
-		}
-	}
-
-	switch kind {
-	case reflect.Invalid:
-		// Do nothing.  We should never get here since invalid has already
-		// been handled above.
-
-	case reflect.Bool:
-		printBool(f.fs, v.Bool())
-
-	case reflect.Int8, reflect.Int16, reflect.Int32, reflect.Int64, reflect.Int:
-		printInt(f.fs, v.Int(), 10)
-
-	case reflect.Uint8, reflect.Uint16, reflect.Uint32, reflect.Uint64, reflect.Uint:
-		printUint(f.fs, v.Uint(), 10)
-
-	case reflect.Float32:
-		printFloat(f.fs, v.Float(), 32)
-
-	case reflect.Float64:
-		printFloat(f.fs, v.Float(), 64)
-
-	case reflect.Complex64:
-		printComplex(f.fs, v.Complex(), 32)
-
-	case reflect.Complex128:
-		printComplex(f.fs, v.Complex(), 64)
-
-	case reflect.Slice:
-		if v.IsNil() {
-			f.fs.Write(nilAngleBytes)
-			break
-		}
-		fallthrough
-
-	case reflect.Array:
-		f.fs.Write(openBracketBytes)
-		f.depth++
-		if (f.cs.MaxDepth != 0) && (f.depth > f.cs.MaxDepth) {
-			f.fs.Write(maxShortBytes)
-		} else {
-			numEntries := v.Len()
-			for i := 0; i < numEntries; i++ {
-				if i > 0 {
-					f.fs.Write(spaceBytes)
-				}
-				f.ignoreNextType = true
-				f.format(f.unpackValue(v.Index(i)))
-			}
-		}
-		f.depth--
-		f.fs.Write(closeBracketBytes)
-
-	case reflect.String:
-		f.fs.Write([]byte(v.String()))
-
-	case reflect.Interface:
-		// The only time we should get here is for nil interfaces due to
-		// unpackValue calls.
-		if v.IsNil() {
-			f.fs.Write(nilAngleBytes)
-		}
-
-	case reflect.Ptr:
-		// Do nothing.  We should never get here since pointers have already
-		// been handled above.
-
-	case reflect.Map:
-		// nil maps should be indicated as different than empty maps
-		if v.IsNil() {
-			f.fs.Write(nilAngleBytes)
-			break
-		}
-
-		f.fs.Write(openMapBytes)
-		f.depth++
-		if (f.cs.MaxDepth != 0) && (f.depth > f.cs.MaxDepth) {
-			f.fs.Write(maxShortBytes)
-		} else {
-			keys := v.MapKeys()
-			if f.cs.SortKeys {
-				sortValues(keys, f.cs)
-			}
-			for i, key := range keys {
-				if i > 0 {
-					f.fs.Write(spaceBytes)
-				}
-				f.ignoreNextType = true
-				f.format(f.unpackValue(key))
-				f.fs.Write(colonBytes)
-				f.ignoreNextType = true
-				f.format(f.unpackValue(v.MapIndex(key)))
-			}
-		}
-		f.depth--
-		f.fs.Write(closeMapBytes)
-
-	case reflect.Struct:
-		numFields := v.NumField()
-		f.fs.Write(openBraceBytes)
-		f.depth++
-		if (f.cs.MaxDepth != 0) && (f.depth > f.cs.MaxDepth) {
-			f.fs.Write(maxShortBytes)
-		} else {
-			vt := v.Type()
-			for i := 0; i < numFields; i++ {
-				if i > 0 {
-					f.fs.Write(spaceBytes)
-				}
-				vtf := vt.Field(i)
-				if f.fs.Flag('+') || f.fs.Flag('#') {
-					f.fs.Write([]byte(vtf.Name))
-					f.fs.Write(colonBytes)
-				}
-				f.format(f.unpackValue(v.Field(i)))
-			}
-		}
-		f.depth--
-		f.fs.Write(closeBraceBytes)
-
-	case reflect.Uintptr:
-		printHexPtr(f.fs, uintptr(v.Uint()))
-
-	case reflect.UnsafePointer, reflect.Chan, reflect.Func:
-		printHexPtr(f.fs, v.Pointer())
-
-	// There were not any other types at the time this code was written, but
-	// fall back to letting the default fmt package handle it if any get added.
-	default:
-		format := f.buildDefaultFormat()
-		if v.CanInterface() {
-			fmt.Fprintf(f.fs, format, v.Interface())
-		} else {
-			fmt.Fprintf(f.fs, format, v.String())
-		}
-	}
-}
-
-// Format satisfies the fmt.Formatter interface. See NewFormatter for usage
-// details.
-func (f *formatState) Format(fs fmt.State, verb rune) {
-	f.fs = fs
-
-	// Use standard formatting for verbs that are not v.
-	if verb != 'v' {
-		format := f.constructOrigFormat(verb)
-		fmt.Fprintf(fs, format, f.value)
-		return
-	}
-
-	if f.value == nil {
-		if fs.Flag('#') {
-			fs.Write(interfaceBytes)
-		}
-		fs.Write(nilAngleBytes)
-		return
-	}
-
-	f.format(reflect.ValueOf(f.value))
-}
-
-// newFormatter is a helper function to consolidate the logic from the various
-// public methods which take varying config states.
-func newFormatter(cs *ConfigState, v interface{}) fmt.Formatter {
-	fs := &formatState{value: v, cs: cs}
-	fs.pointers = make(map[uintptr]int)
-	return fs
-}
-
-/*
-NewFormatter returns a custom formatter that satisfies the fmt.Formatter
-interface.  As a result, it integrates cleanly with standard fmt package
-printing functions.  The formatter is useful for inline printing of smaller data
-types similar to the standard %v format specifier.
-
-The custom formatter only responds to the %v (most compact), %+v (adds pointer
-addresses), %#v (adds types), or %#+v (adds types and pointer addresses) verb
-combinations.  Any other verbs such as %x and %q will be sent to the the
-standard fmt package for formatting.  In addition, the custom formatter ignores
-the width and precision arguments (however they will still work on the format
-specifiers not handled by the custom formatter).
-
-Typically this function shouldn't be called directly.  It is much easier to make
-use of the custom formatter by calling one of the convenience functions such as
-Printf, Println, or Fprintf.
-*/
-func NewFormatter(v interface{}) fmt.Formatter {
-	return newFormatter(&Config, v)
-}

vendor/github.com/davecgh/go-spew/spew/spew.go

@@ -1,148 +0,0 @@
-/*
- * Copyright (c) 2013-2016 Dave Collins <dave@davec.name>
- *
- * Permission to use, copy, modify, and distribute this software for any
- * purpose with or without fee is hereby granted, provided that the above
- * copyright notice and this permission notice appear in all copies.
- *
- * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
- * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
- * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
- * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
- * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
- * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
- * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
- */
-
-package spew
-
-import (
-	"fmt"
-	"io"
-)
-
-// Errorf is a wrapper for fmt.Errorf that treats each argument as if it were
-// passed with a default Formatter interface returned by NewFormatter.  It
-// returns the formatted string as a value that satisfies error.  See
-// NewFormatter for formatting details.
-//
-// This function is shorthand for the following syntax:
-//
-//	fmt.Errorf(format, spew.NewFormatter(a), spew.NewFormatter(b))
-func Errorf(format string, a ...interface{}) (err error) {
-	return fmt.Errorf(format, convertArgs(a)...)
-}
-
-// Fprint is a wrapper for fmt.Fprint that treats each argument as if it were
-// passed with a default Formatter interface returned by NewFormatter.  It
-// returns the number of bytes written and any write error encountered.  See
-// NewFormatter for formatting details.
-//
-// This function is shorthand for the following syntax:
-//
-//	fmt.Fprint(w, spew.NewFormatter(a), spew.NewFormatter(b))
-func Fprint(w io.Writer, a ...interface{}) (n int, err error) {
-	return fmt.Fprint(w, convertArgs(a)...)
-}
-
-// Fprintf is a wrapper for fmt.Fprintf that treats each argument as if it were
-// passed with a default Formatter interface returned by NewFormatter.  It
-// returns the number of bytes written and any write error encountered.  See
-// NewFormatter for formatting details.
-//
-// This function is shorthand for the following syntax:
-//
-//	fmt.Fprintf(w, format, spew.NewFormatter(a), spew.NewFormatter(b))
-func Fprintf(w io.Writer, format string, a ...interface{}) (n int, err error) {
-	return fmt.Fprintf(w, format, convertArgs(a)...)
-}
-
-// Fprintln is a wrapper for fmt.Fprintln that treats each argument as if it
-// passed with a default Formatter interface returned by NewFormatter.  See
-// NewFormatter for formatting details.
-//
-// This function is shorthand for the following syntax:
-//
-//	fmt.Fprintln(w, spew.NewFormatter(a), spew.NewFormatter(b))
-func Fprintln(w io.Writer, a ...interface{}) (n int, err error) {
-	return fmt.Fprintln(w, convertArgs(a)...)
-}
-
-// Print is a wrapper for fmt.Print that treats each argument as if it were
-// passed with a default Formatter interface returned by NewFormatter.  It
-// returns the number of bytes written and any write error encountered.  See
-// NewFormatter for formatting details.
-//
-// This function is shorthand for the following syntax:
-//
-//	fmt.Print(spew.NewFormatter(a), spew.NewFormatter(b))
-func Print(a ...interface{}) (n int, err error) {
-	return fmt.Print(convertArgs(a)...)
-}
-
-// Printf is a wrapper for fmt.Printf that treats each argument as if it were
-// passed with a default Formatter interface returned by NewFormatter.  It
-// returns the number of bytes written and any write error encountered.  See
-// NewFormatter for formatting details.
-//
-// This function is shorthand for the following syntax:
-//
-//	fmt.Printf(format, spew.NewFormatter(a), spew.NewFormatter(b))
-func Printf(format string, a ...interface{}) (n int, err error) {
-	return fmt.Printf(format, convertArgs(a)...)
-}
-
-// Println is a wrapper for fmt.Println that treats each argument as if it were
-// passed with a default Formatter interface returned by NewFormatter.  It
-// returns the number of bytes written and any write error encountered.  See
-// NewFormatter for formatting details.
-//
-// This function is shorthand for the following syntax:
-//
-//	fmt.Println(spew.NewFormatter(a), spew.NewFormatter(b))
-func Println(a ...interface{}) (n int, err error) {
-	return fmt.Println(convertArgs(a)...)
-}
-
-// Sprint is a wrapper for fmt.Sprint that treats each argument as if it were
-// passed with a default Formatter interface returned by NewFormatter.  It
-// returns the resulting string.  See NewFormatter for formatting details.
-//
-// This function is shorthand for the following syntax:
-//
-//	fmt.Sprint(spew.NewFormatter(a), spew.NewFormatter(b))
-func Sprint(a ...interface{}) string {
-	return fmt.Sprint(convertArgs(a)...)
-}
-
-// Sprintf is a wrapper for fmt.Sprintf that treats each argument as if it were
-// passed with a default Formatter interface returned by NewFormatter.  It
-// returns the resulting string.  See NewFormatter for formatting details.
-//
-// This function is shorthand for the following syntax:
-//
-//	fmt.Sprintf(format, spew.NewFormatter(a), spew.NewFormatter(b))
-func Sprintf(format string, a ...interface{}) string {
-	return fmt.Sprintf(format, convertArgs(a)...)
-}
-
-// Sprintln is a wrapper for fmt.Sprintln that treats each argument as if it
-// were passed with a default Formatter interface returned by NewFormatter.  It
-// returns the resulting string.  See NewFormatter for formatting details.
-//
-// This function is shorthand for the following syntax:
-//
-//	fmt.Sprintln(spew.NewFormatter(a), spew.NewFormatter(b))
-func Sprintln(a ...interface{}) string {
-	return fmt.Sprintln(convertArgs(a)...)
-}
-
-// convertArgs accepts a slice of arguments and returns a slice of the same
-// length with each argument converted to a default spew Formatter interface.
-func convertArgs(args []interface{}) (formatters []interface{}) {
-	formatters = make([]interface{}, len(args))
-	for index, arg := range args {
-		formatters[index] = NewFormatter(arg)
-	}
-	return formatters
-}

vendor/github.com/dgrijalva/jwt-go/.gitignore

@@ -1,4 +0,0 @@
-.DS_Store
-bin
-
-

vendor/github.com/dgrijalva/jwt-go/.travis.yml

@@ -1,8 +0,0 @@
-language: go
-
-go:
-  - 1.3
-  - 1.4
-  - 1.5
-  - 1.6
-  - tip

vendor/github.com/dgrijalva/jwt-go/LICENSE

@@ -1,8 +0,0 @@
-Copyright (c) 2012 Dave Grijalva
-
-Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:
-
-The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.
-
-THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
-

vendor/github.com/dgrijalva/jwt-go/MIGRATION_GUIDE.md

@@ -1,96 +0,0 @@
-## Migration Guide from v2 -> v3
-
-Version 3 adds several new, frequently requested features.  To do so, it introduces a few breaking changes.  We've worked to keep these as minimal as possible.  This guide explains the breaking changes and how you can quickly update your code.
-
-### `Token.Claims` is now an interface type
-
-The most requested feature from the 2.0 verison of this library was the ability to provide a custom type to the JSON parser for claims. This was implemented by introducing a new interface, `Claims`, to replace `map[string]interface{}`.  We also included two concrete implementations of `Claims`: `MapClaims` and `StandardClaims`.
-
-`MapClaims` is an alias for `map[string]interface{}` with built in validation behavior.  It is the default claims type when using `Parse`.  The usage is unchanged except you must type cast the claims property.
-
-The old example for parsing a token looked like this..
-
-```go
-	if token, err := jwt.Parse(tokenString, keyLookupFunc); err == nil {
-		fmt.Printf("Token for user %v expires %v", token.Claims["user"], token.Claims["exp"])
-	}
-```
-
-is now directly mapped to...
-
-```go
-	if token, err := jwt.Parse(tokenString, keyLookupFunc); err == nil {
-		claims := token.Claims.(jwt.MapClaims)
-		fmt.Printf("Token for user %v expires %v", claims["user"], claims["exp"])
-	}
-```
-
-`StandardClaims` is designed to be embedded in your custom type.  You can supply a custom claims type with the new `ParseWithClaims` function.  Here's an example of using a custom claims type.
-
-```go
-	type MyCustomClaims struct {
-		User string
-		*StandardClaims
-	}
-	
-	if token, err := jwt.ParseWithClaims(tokenString, &MyCustomClaims{}, keyLookupFunc); err == nil {
-		claims := token.Claims.(*MyCustomClaims)
-		fmt.Printf("Token for user %v expires %v", claims.User, claims.StandardClaims.ExpiresAt)
-	}
-```
-
-### `ParseFromRequest` has been moved
-
-To keep this library focused on the tokens without becoming overburdened with complex request processing logic, `ParseFromRequest` and its new companion `ParseFromRequestWithClaims` have been moved to a subpackage, `request`.  The method signatues have also been augmented to receive a new argument: `Extractor`.
-
-`Extractors` do the work of picking the token string out of a request.  The interface is simple and composable.
-
-This simple parsing example:
-
-```go
-	if token, err := jwt.ParseFromRequest(tokenString, req, keyLookupFunc); err == nil {
-		fmt.Printf("Token for user %v expires %v", token.Claims["user"], token.Claims["exp"])
-	}
-```
-
-is directly mapped to:
-
-```go
-	if token, err := request.ParseFromRequest(tokenString, request.OAuth2Extractor, req, keyLookupFunc); err == nil {
-		fmt.Printf("Token for user %v expires %v", token.Claims["user"], token.Claims["exp"])
-	}
-```
-
-There are several concrete `Extractor` types provided for your convenience:
-
-* `HeaderExtractor` will search a list of headers until one contains content.
-* `ArgumentExtractor` will search a list of keys in request query and form arguments until one contains content.
-* `MultiExtractor` will try a list of `Extractors` in order until one returns content.
-* `AuthorizationHeaderExtractor` will look in the `Authorization` header for a `Bearer` token.
-* `OAuth2Extractor` searches the places an OAuth2 token would be specified (per the spec): `Authorization` header and `access_token` argument
-* `PostExtractionFilter` wraps an `Extractor`, allowing you to process the content before it's parsed.  A simple example is stripping the `Bearer ` text from a header
-
-
-### RSA signing methods no longer accept `[]byte` keys
-
-Due to a [critical vulnerability](https://auth0.com/blog/2015/03/31/critical-vulnerabilities-in-json-web-token-libraries/), we've decided the convenience of accepting `[]byte` instead of `rsa.PublicKey` or `rsa.PrivateKey` isn't worth the risk of misuse.
-
-To replace this behavior, we've added two helper methods: `ParseRSAPrivateKeyFromPEM(key []byte) (*rsa.PrivateKey, error)` and `ParseRSAPublicKeyFromPEM(key []byte) (*rsa.PublicKey, error)`.  These are just simple helpers for unpacking PEM encoded PKCS1 and PKCS8 keys. If your keys are encoded any other way, all you need to do is convert them to the `crypto/rsa` package's types.
-
-```go 
-	func keyLookupFunc(*Token) (interface{}, error) {
-		// Don't forget to validate the alg is what you expect:
-		if _, ok := token.Method.(*jwt.SigningMethodRSA); !ok {
-			return nil, fmt.Errorf("Unexpected signing method: %v", token.Header["alg"])
-		}
-		
-		// Look up key 
-		key, err := lookupPublicKey(token.Header["kid"])
-		if err != nil {
-			return nil, err
-		}
-		
-		// Unpack key from PEM encoded PKCS8
-		return jwt.ParseRSAPublicKeyFromPEM(key)
-	}
-```

vendor/github.com/dgrijalva/jwt-go/README.md

@@ -1,85 +0,0 @@
-A [go](http://www.golang.org) (or 'golang' for search engine friendliness) implementation of [JSON Web Tokens](http://self-issued.info/docs/draft-ietf-oauth-json-web-token.html)
-
-[![Build Status](https://travis-ci.org/dgrijalva/jwt-go.svg?branch=master)](https://travis-ci.org/dgrijalva/jwt-go)
-
-**BREAKING CHANGES:*** Version 3.0.0 is here. It includes _a lot_ of changes including a few that break the API.  We've tried to break as few things as possible, so there should just be a few type signature changes.  A full list of breaking changes is available in `VERSION_HISTORY.md`.  See `MIGRATION_GUIDE.md` for more information on updating your code.
-
-**NOTICE:** A vulnerability in JWT was [recently published](https://auth0.com/blog/2015/03/31/critical-vulnerabilities-in-json-web-token-libraries/).  As this library doesn't force users to validate the `alg` is what they expected, it's possible your usage is effected.  There will be an update soon to remedy this, and it will likey require backwards-incompatible changes to the API.  In the short term, please make sure your implementation verifies the `alg` is what you expect.
-
-
-## What the heck is a JWT?
-
-JWT.io has [a great introduction](https://jwt.io/introduction) to JSON Web Tokens.
-
-In short, it's a signed JSON object that does something useful (for example, authentication).  It's commonly used for `Bearer` tokens in Oauth 2.  A token is made of three parts, separated by `.`'s.  The first two parts are JSON objects, that have been [base64url](http://tools.ietf.org/html/rfc4648) encoded.  The last part is the signature, encoded the same way.
-
-The first part is called the header.  It contains the necessary information for verifying the last part, the signature.  For example, which encryption method was used for signing and what key was used.
-
-The part in the middle is the interesting bit.  It's called the Claims and contains the actual stuff you care about.  Refer to [the RFC](http://self-issued.info/docs/draft-jones-json-web-token.html) for information about reserved keys and the proper way to add your own.
-
-## What's in the box?
-
-This library supports the parsing and verification as well as the generation and signing of JWTs.  Current supported signing algorithms are HMAC SHA, RSA, RSA-PSS, and ECDSA, though hooks are present for adding your own.
-
-## Examples
-
-See [the project documentation](https://godoc.org/github.com/dgrijalva/jwt-go) for examples of usage:
-
-* [Simple example of parsing and validating a token](https://godoc.org/github.com/dgrijalva/jwt-go#example-Parse--Hmac)
-* [Simple example of building and signing a token](https://godoc.org/github.com/dgrijalva/jwt-go#example-New--Hmac)
-* [Directory of Examples](https://godoc.org/github.com/dgrijalva/jwt-go#pkg-examples)
-
-## Extensions
-
-This library publishes all the necessary components for adding your own signing methods.  Simply implement the `SigningMethod` interface and register a factory method using `RegisterSigningMethod`.  
-
-Here's an example of an extension that integrates with the Google App Engine signing tools: https://github.com/someone1/gcp-jwt-go
-
-## Compliance
-
-This library was last reviewed to comply with [RTF 7519](http://www.rfc-editor.org/info/rfc7519) dated May 2015 with a few notable differences: 
-
-* In order to protect against accidental use of [Unsecured JWTs](http://self-issued.info/docs/draft-ietf-oauth-json-web-token.html#UnsecuredJWT), tokens using `alg=none` will only be accepted if the constant `jwt.UnsafeAllowNoneSignatureType` is provided as the key.
-
-## Project Status & Versioning
-
-This library is considered production ready.  Feedback and feature requests are appreciated.  The API should be considered stable.  There should be very few backwards-incompatible changes outside of major version updates (and only with good reason).
-
-This project uses [Semantic Versioning 2.0.0](http://semver.org).  Accepted pull requests will land on `master`.  Periodically, versions will be tagged from `master`.  You can find all the releases on [the project releases page](https://github.com/dgrijalva/jwt-go/releases).
-
-While we try to make it obvious when we make breaking changes, there isn't a great mechanism for pushing announcements out to users.  You may want to use this alternative package include: `gopkg.in/dgrijalva/jwt-go.v2`.  It will do the right thing WRT semantic versioning.
-
-## Usage Tips
-
-### Signing vs Encryption
-
-A token is simply a JSON object that is signed by its author. this tells you exactly two things about the data:
-
-* The author of the token was in the possession of the signing secret
-* The data has not been modified since it was signed
-
-It's important to know that JWT does not provide encryption, which means anyone who has access to the token can read its contents. If you need to protect (encrypt) the data, there is a companion spec, `JWE`, that provides this functionality. JWE is currently outside the scope of this library.
-
-### Choosing a Signing Method
-
-There are several signing methods available, and you should probably take the time to learn about the various options before choosing one.  The principal design decision is most likely going to be symmetric vs asymmetric.
-
-Symmetric signing methods, such as HSA, use only a single secret. This is probably the simplest signing method to use since any `[]byte` can be used as a valid secret. They are also slightly computationally faster to use, though this rarely is enough to matter. Symmetric signing methods work the best when both producers and consumers of tokens are trusted, or even the same system. Since the same secret is used to both sign and validate tokens, you can't easily distribute the key for validation.
-
-Asymmetric signing methods, such as RSA, use different keys for signing and verifying tokens. This makes it possible to produce tokens with a private key, and allow any consumer to access the public key for verification.
-
-### JWT and OAuth
-
-It's worth mentioning that OAuth and JWT are not the same thing. A JWT token is simply a signed JSON object. It can be used anywhere such a thing is useful. There is some confusion, though, as JWT is the most common type of bearer token used in OAuth2 authentication.
-
-Without going too far down the rabbit hole, here's a description of the interaction of these technologies:
-
-* OAuth is a protocol for allowing an identity provider to be separate from the service a user is logging in to.  For example, whenever you use Facebook to log into a different service (Yelp, Spotify, etc), you are using OAuth.
-* OAuth defines several options for passing around authentication data. One popular method is called a "bearer token". A bearer token is simply a string that _should_ only be held by an authenticated user. Thus, simply presenting this token proves your identity. You can probably derive from here why a JWT might make a good bearer token.
-* Because bearer tokens are used for authentication, it's important they're kept secret. This is why transactions that use bearer tokens typically happen over SSL.
- 
-## More
-
-Documentation can be found [on godoc.org](http://godoc.org/github.com/dgrijalva/jwt-go).
-
-The command line utility included in this project (cmd/jwt) provides a straightforward example of token creation and parsing as well as a useful tool for debugging your own integration.  You'll also find several implementation examples in to documentation.

vendor/github.com/dgrijalva/jwt-go/VERSION_HISTORY.md

@@ -1,105 +0,0 @@
-## `jwt-go` Version History
-
-#### 3.0.0
-
-* **Compatibility Breaking Changes**: See MIGRATION_GUIDE.md for tips on updating your code
-	* Dropped support for `[]byte` keys when using RSA signing methods.  This convenience feature could contribute to security vulnerabilities involving mismatched key types with signing methods.
-	* `ParseFromRequest` has been moved to `request` subpackage and usage has changed
-	* The `Claims` property on `Token` is now type `Claims` instead of `map[string]interface{}`.  The default value is type `MapClaims`, which is an alias to `map[string]interface{}`.  This makes it possible to use a custom type when decoding claims.
-* Other Additions and Changes
-	* Added `Claims` interface type to allow users to decode the claims into a custom type
-	* Added `ParseWithClaims`, which takes a third argument of type `Claims`.  Use this function instead of `Parse` if you have a custom type you'd like to decode into.
-	* Dramatically improved the functionality and flexibility of `ParseFromRequest`, which is now in the `request` subpackage
-	* Added `ParseFromRequestWithClaims` which is the `FromRequest` equivalent of `ParseWithClaims`
-	* Added new interface type `Extractor`, which is used for extracting JWT strings from http requests.  Used with `ParseFromRequest` and `ParseFromRequestWithClaims`.
-	* Added several new, more specific, validation errors to error type bitmask
-	* Moved examples from README to executable example files
-	* Signing method registry is now thread safe
-	* Added new property to `ValidationError`, which contains the raw error returned by calls made by parse/verify (such as those returned by keyfunc or json parser)
-
-#### 2.7.0
-
-This will likely be the last backwards compatible release before 3.0.0, excluding essential bug fixes.
-
-* Added new option `-show` to the `jwt` command that will just output the decoded token without verifying
-* Error text for expired tokens includes how long it's been expired
-* Fixed incorrect error returned from `ParseRSAPublicKeyFromPEM`
-* Documentation updates
-
-#### 2.6.0
-
-* Exposed inner error within ValidationError
-* Fixed validation errors when using UseJSONNumber flag
-* Added several unit tests
-
-#### 2.5.0
-
-* Added support for signing method none.  You shouldn't use this.  The API tries to make this clear.
-* Updated/fixed some documentation
-* Added more helpful error message when trying to parse tokens that begin with `BEARER `
-
-#### 2.4.0
-
-* Added new type, Parser, to allow for configuration of various parsing parameters
-	* You can now specify a list of valid signing methods.  Anything outside this set will be rejected.
-	* You can now opt to use the `json.Number` type instead of `float64` when parsing token JSON
-* Added support for [Travis CI](https://travis-ci.org/dgrijalva/jwt-go)
-* Fixed some bugs with ECDSA parsing
-
-#### 2.3.0
-
-* Added support for ECDSA signing methods
-* Added support for RSA PSS signing methods (requires go v1.4)
-
-#### 2.2.0
-
-* Gracefully handle a `nil` `Keyfunc` being passed to `Parse`.  Result will now be the parsed token and an error, instead of a panic.
-
-#### 2.1.0
-
-Backwards compatible API change that was missed in 2.0.0.
-
-* The `SignedString` method on `Token` now takes `interface{}` instead of `[]byte`
-
-#### 2.0.0
-
-There were two major reasons for breaking backwards compatibility with this update.  The first was a refactor required to expand the width of the RSA and HMAC-SHA signing implementations.  There will likely be no required code changes to support this change.
-
-The second update, while unfortunately requiring a small change in integration, is required to open up this library to other signing methods.  Not all keys used for all signing methods have a single standard on-disk representation.  Requiring `[]byte` as the type for all keys proved too limiting.  Additionally, this implementation allows for pre-parsed tokens to be reused, which might matter in an application that parses a high volume of tokens with a small set of keys.  Backwards compatibilty has been maintained for passing `[]byte` to the RSA signing methods, but they will also accept `*rsa.PublicKey` and `*rsa.PrivateKey`.
-
-It is likely the only integration change required here will be to change `func(t *jwt.Token) ([]byte, error)` to `func(t *jwt.Token) (interface{}, error)` when calling `Parse`.
-
-* **Compatibility Breaking Changes**
-	* `SigningMethodHS256` is now `*SigningMethodHMAC` instead of `type struct`
-	* `SigningMethodRS256` is now `*SigningMethodRSA` instead of `type struct`
-	* `KeyFunc` now returns `interface{}` instead of `[]byte`
-	* `SigningMethod.Sign` now takes `interface{}` instead of `[]byte` for the key
-	* `SigningMethod.Verify` now takes `interface{}` instead of `[]byte` for the key
-* Renamed type `SigningMethodHS256` to `SigningMethodHMAC`.  Specific sizes are now just instances of this type.
-    * Added public package global `SigningMethodHS256`
-    * Added public package global `SigningMethodHS384`
-    * Added public package global `SigningMethodHS512`
-* Renamed type `SigningMethodRS256` to `SigningMethodRSA`.  Specific sizes are now just instances of this type.
-    * Added public package global `SigningMethodRS256`
-    * Added public package global `SigningMethodRS384`
-    * Added public package global `SigningMethodRS512`
-* Moved sample private key for HMAC tests from an inline value to a file on disk.  Value is unchanged.
-* Refactored the RSA implementation to be easier to read
-* Exposed helper methods `ParseRSAPrivateKeyFromPEM` and `ParseRSAPublicKeyFromPEM`
-
-#### 1.0.2
-
-* Fixed bug in parsing public keys from certificates
-* Added more tests around the parsing of keys for RS256
-* Code refactoring in RS256 implementation.  No functional changes
-
-#### 1.0.1
-
-* Fixed panic if RS256 signing method was passed an invalid key
-
-#### 1.0.0
-
-* First versioned release
-* API stabilized
-* Supports creating, signing, parsing, and validating JWT tokens
-* Supports RS256 and HS256 signing methods

vendor/github.com/dgrijalva/jwt-go/claims.go

@@ -1,134 +0,0 @@
-package jwt
-
-import (
-	"crypto/subtle"
-	"fmt"
-	"time"
-)
-
-// For a type to be a Claims object, it must just have a Valid method that determines
-// if the token is invalid for any supported reason
-type Claims interface {
-	Valid() error
-}
-
-// Structured version of Claims Section, as referenced at
-// https://tools.ietf.org/html/rfc7519#section-4.1
-// See examples for how to use this with your own claim types
-type StandardClaims struct {
-	Audience  string `json:"aud,omitempty"`
-	ExpiresAt int64  `json:"exp,omitempty"`
-	Id        string `json:"jti,omitempty"`
-	IssuedAt  int64  `json:"iat,omitempty"`
-	Issuer    string `json:"iss,omitempty"`
-	NotBefore int64  `json:"nbf,omitempty"`
-	Subject   string `json:"sub,omitempty"`
-}
-
-// Validates time based claims "exp, iat, nbf".
-// There is no accounting for clock skew.
-// As well, if any of the above claims are not in the token, it will still
-// be considered a valid claim.
-func (c StandardClaims) Valid() error {
-	vErr := new(ValidationError)
-	now := TimeFunc().Unix()
-
-	// The claims below are optional, by default, so if they are set to the
-	// default value in Go, let's not fail the verification for them.
-	if c.VerifyExpiresAt(now, false) == false {
-		delta := time.Unix(now, 0).Sub(time.Unix(c.ExpiresAt, 0))
-		vErr.Inner = fmt.Errorf("token is expired by %v", delta)
-		vErr.Errors |= ValidationErrorExpired
-	}
-
-	if c.VerifyIssuedAt(now, false) == false {
-		vErr.Inner = fmt.Errorf("Token used before issued")
-		vErr.Errors |= ValidationErrorIssuedAt
-	}
-
-	if c.VerifyNotBefore(now, false) == false {
-		vErr.Inner = fmt.Errorf("token is not valid yet")
-		vErr.Errors |= ValidationErrorNotValidYet
-	}
-
-	if vErr.valid() {
-		return nil
-	}
-
-	return vErr
-}
-
-// Compares the aud claim against cmp.
-// If required is false, this method will return true if the value matches or is unset
-func (c *StandardClaims) VerifyAudience(cmp string, req bool) bool {
-	return verifyAud(c.Audience, cmp, req)
-}
-
-// Compares the exp claim against cmp.
-// If required is false, this method will return true if the value matches or is unset
-func (c *StandardClaims) VerifyExpiresAt(cmp int64, req bool) bool {
-	return verifyExp(c.ExpiresAt, cmp, req)
-}
-
-// Compares the iat claim against cmp.
-// If required is false, this method will return true if the value matches or is unset
-func (c *StandardClaims) VerifyIssuedAt(cmp int64, req bool) bool {
-	return verifyIat(c.IssuedAt, cmp, req)
-}
-
-// Compares the iss claim against cmp.
-// If required is false, this method will return true if the value matches or is unset
-func (c *StandardClaims) VerifyIssuer(cmp string, req bool) bool {
-	return verifyIss(c.Issuer, cmp, req)
-}
-
-// Compares the nbf claim against cmp.
-// If required is false, this method will return true if the value matches or is unset
-func (c *StandardClaims) VerifyNotBefore(cmp int64, req bool) bool {
-	return verifyNbf(c.NotBefore, cmp, req)
-}
-
-// ----- helpers
-
-func verifyAud(aud string, cmp string, required bool) bool {
-	if aud == "" {
-		return !required
-	}
-	if subtle.ConstantTimeCompare([]byte(aud), []byte(cmp)) != 0 {
-		return true
-	} else {
-		return false
-	}
-}
-
-func verifyExp(exp int64, now int64, required bool) bool {
-	if exp == 0 {
-		return !required
-	}
-	return now <= exp
-}
-
-func verifyIat(iat int64, now int64, required bool) bool {
-	if iat == 0 {
-		return !required
-	}
-	return now >= iat
-}
-
-func verifyIss(iss string, cmp string, required bool) bool {
-	if iss == "" {
-		return !required
-	}
-	if subtle.ConstantTimeCompare([]byte(iss), []byte(cmp)) != 0 {
-		return true
-	} else {
-		return false
-	}
-}
-
-func verifyNbf(nbf int64, now int64, required bool) bool {
-	if nbf == 0 {
-		return !required
-	}
-	return now >= nbf
-}

vendor/github.com/dgrijalva/jwt-go/doc.go

@@ -1,4 +0,0 @@
-// Package jwt is a Go implementation of JSON Web Tokens: http://self-issued.info/docs/draft-jones-json-web-token.html
-//
-// See README.md for more info.
-package jwt

vendor/github.com/dgrijalva/jwt-go/ecdsa.go

@@ -1,147 +0,0 @@
-package jwt
-
-import (
-	"crypto"
-	"crypto/ecdsa"
-	"crypto/rand"
-	"errors"
-	"math/big"
-)
-
-var (
-	// Sadly this is missing from crypto/ecdsa compared to crypto/rsa
-	ErrECDSAVerification = errors.New("crypto/ecdsa: verification error")
-)
-
-// Implements the ECDSA family of signing methods signing methods
-type SigningMethodECDSA struct {
-	Name      string
-	Hash      crypto.Hash
-	KeySize   int
-	CurveBits int
-}
-
-// Specific instances for EC256 and company
-var (
-	SigningMethodES256 *SigningMethodECDSA
-	SigningMethodES384 *SigningMethodECDSA
-	SigningMethodES512 *SigningMethodECDSA
-)
-
-func init() {
-	// ES256
-	SigningMethodES256 = &SigningMethodECDSA{"ES256", crypto.SHA256, 32, 256}
-	RegisterSigningMethod(SigningMethodES256.Alg(), func() SigningMethod {
-		return SigningMethodES256
-	})
-
-	// ES384
-	SigningMethodES384 = &SigningMethodECDSA{"ES384", crypto.SHA384, 48, 384}
-	RegisterSigningMethod(SigningMethodES384.Alg(), func() SigningMethod {
-		return SigningMethodES384
-	})
-
-	// ES512
-	SigningMethodES512 = &SigningMethodECDSA{"ES512", crypto.SHA512, 66, 521}
-	RegisterSigningMethod(SigningMethodES512.Alg(), func() SigningMethod {
-		return SigningMethodES512
-	})
-}
-
-func (m *SigningMethodECDSA) Alg() string {
-	return m.Name
-}
-
-// Implements the Verify method from SigningMethod
-// For this verify method, key must be an ecdsa.PublicKey struct
-func (m *SigningMethodECDSA) Verify(signingString, signature string, key interface{}) error {
-	var err error
-
-	// Decode the signature
-	var sig []byte
-	if sig, err = DecodeSegment(signature); err != nil {
-		return err
-	}
-
-	// Get the key
-	var ecdsaKey *ecdsa.PublicKey
-	switch k := key.(type) {
-	case *ecdsa.PublicKey:
-		ecdsaKey = k
-	default:
-		return ErrInvalidKeyType
-	}
-
-	if len(sig) != 2*m.KeySize {
-		return ErrECDSAVerification
-	}
-
-	r := big.NewInt(0).SetBytes(sig[:m.KeySize])
-	s := big.NewInt(0).SetBytes(sig[m.KeySize:])
-
-	// Create hasher
-	if !m.Hash.Available() {
-		return ErrHashUnavailable
-	}
-	hasher := m.Hash.New()
-	hasher.Write([]byte(signingString))
-
-	// Verify the signature
-	if verifystatus := ecdsa.Verify(ecdsaKey, hasher.Sum(nil), r, s); verifystatus == true {
-		return nil
-	} else {
-		return ErrECDSAVerification
-	}
-}
-
-// Implements the Sign method from SigningMethod
-// For this signing method, key must be an ecdsa.PrivateKey struct
-func (m *SigningMethodECDSA) Sign(signingString string, key interface{}) (string, error) {
-	// Get the key
-	var ecdsaKey *ecdsa.PrivateKey
-	switch k := key.(type) {
-	case *ecdsa.PrivateKey:
-		ecdsaKey = k
-	default:
-		return "", ErrInvalidKeyType
-	}
-
-	// Create the hasher
-	if !m.Hash.Available() {
-		return "", ErrHashUnavailable
-	}
-
-	hasher := m.Hash.New()
-	hasher.Write([]byte(signingString))
-
-	// Sign the string and return r, s
-	if r, s, err := ecdsa.Sign(rand.Reader, ecdsaKey, hasher.Sum(nil)); err == nil {
-		curveBits := ecdsaKey.Curve.Params().BitSize
-
-		if m.CurveBits != curveBits {
-			return "", ErrInvalidKey
-		}
-
-		keyBytes := curveBits / 8
-		if curveBits%8 > 0 {
-			keyBytes += 1
-		}
-
-		// We serialize the outpus (r and s) into big-endian byte arrays and pad
-		// them with zeros on the left to make sure the sizes work out. Both arrays
-		// must be keyBytes long, and the output must be 2*keyBytes long.
-		rBytes := r.Bytes()
-		rBytesPadded := make([]byte, keyBytes)
-		copy(rBytesPadded[keyBytes-len(rBytes):], rBytes)
-
-		sBytes := s.Bytes()
-		sBytesPadded := make([]byte, keyBytes)
-		copy(sBytesPadded[keyBytes-len(sBytes):], sBytes)
-
-		out := append(rBytesPadded, sBytesPadded...)
-
-		return EncodeSegment(out), nil
-	} else {
-		return "", err
-	}
-}

vendor/github.com/dgrijalva/jwt-go/ecdsa_utils.go

@@ -1,67 +0,0 @@
-package jwt
-
-import (
-	"crypto/ecdsa"
-	"crypto/x509"
-	"encoding/pem"
-	"errors"
-)
-
-var (
-	ErrNotECPublicKey  = errors.New("Key is not a valid ECDSA public key")
-	ErrNotECPrivateKey = errors.New("Key is not a valid ECDSA private key")
-)
-
-// Parse PEM encoded Elliptic Curve Private Key Structure
-func ParseECPrivateKeyFromPEM(key []byte) (*ecdsa.PrivateKey, error) {
-	var err error
-
-	// Parse PEM block
-	var block *pem.Block
-	if block, _ = pem.Decode(key); block == nil {
-		return nil, ErrKeyMustBePEMEncoded
-	}
-
-	// Parse the key
-	var parsedKey interface{}
-	if parsedKey, err = x509.ParseECPrivateKey(block.Bytes); err != nil {
-		return nil, err
-	}
-
-	var pkey *ecdsa.PrivateKey
-	var ok bool
-	if pkey, ok = parsedKey.(*ecdsa.PrivateKey); !ok {
-		return nil, ErrNotECPrivateKey
-	}
-
-	return pkey, nil
-}
-
-// Parse PEM encoded PKCS1 or PKCS8 public key
-func ParseECPublicKeyFromPEM(key []byte) (*ecdsa.PublicKey, error) {
-	var err error
-
-	// Parse PEM block
-	var block *pem.Block
-	if block, _ = pem.Decode(key); block == nil {
-		return nil, ErrKeyMustBePEMEncoded
-	}
-
-	// Parse the key
-	var parsedKey interface{}
-	if parsedKey, err = x509.ParsePKIXPublicKey(block.Bytes); err != nil {
-		if cert, err := x509.ParseCertificate(block.Bytes); err == nil {
-			parsedKey = cert.PublicKey
-		} else {
-			return nil, err
-		}
-	}
-
-	var pkey *ecdsa.PublicKey
-	var ok bool
-	if pkey, ok = parsedKey.(*ecdsa.PublicKey); !ok {
-		return nil, ErrNotECPublicKey
-	}
-
-	return pkey, nil
-}

vendor/github.com/dgrijalva/jwt-go/errors.go

@@ -1,63 +0,0 @@
-package jwt
-
-import (
-	"errors"
-)
-
-// Error constants
-var (
-	ErrInvalidKey      = errors.New("key is invalid")
-	ErrInvalidKeyType  = errors.New("key is of invalid type")
-	ErrHashUnavailable = errors.New("the requested hash function is unavailable")
-)
-
-// The errors that might occur when parsing and validating a token
-const (
-	ValidationErrorMalformed        uint32 = 1 << iota // Token is malformed
-	ValidationErrorUnverifiable                        // Token could not be verified because of signing problems
-	ValidationErrorSignatureInvalid                    // Signature validation failed
-
-	// Standard Claim validation errors
-	ValidationErrorAudience      // AUD validation failed
-	ValidationErrorExpired       // EXP validation failed
-	ValidationErrorIssuedAt      // IAT validation failed
-	ValidationErrorIssuer        // ISS validation failed
-	ValidationErrorNotValidYet   // NBF validation failed
-	ValidationErrorId            // JTI validation failed
-	ValidationErrorClaimsInvalid // Generic claims validation error
-)
-
-// Helper for constructing a ValidationError with a string error message
-func NewValidationError(errorText string, errorFlags uint32) *ValidationError {
-	return &ValidationError{
-		text:   errorText,
-		Errors: errorFlags,
-	}
-}
-
-// The error from Parse if token is not valid
-type ValidationError struct {
-	Inner  error  // stores the error returned by external dependencies, i.e.: KeyFunc
-	Errors uint32 // bitfield.  see ValidationError... constants
-	text   string // errors that do not have a valid error just have text
-}
-
-// Validation error is an error type
-func (e ValidationError) Error() string {
-	if e.Inner != nil {
-		return e.Inner.Error()
-	} else if e.text != "" {
-		return e.text
-	} else {
-		return "token is invalid"
-	}
-	return e.Inner.Error()
-}
-
-// No errors
-func (e *ValidationError) valid() bool {
-	if e.Errors > 0 {
-		return false
-	}
-	return true
-}

vendor/github.com/dgrijalva/jwt-go/hmac.go

@@ -1,94 +0,0 @@
-package jwt
-
-import (
-	"crypto"
-	"crypto/hmac"
-	"errors"
-)
-
-// Implements the HMAC-SHA family of signing methods signing methods
-type SigningMethodHMAC struct {
-	Name string
-	Hash crypto.Hash
-}
-
-// Specific instances for HS256 and company
-var (
-	SigningMethodHS256  *SigningMethodHMAC
-	SigningMethodHS384  *SigningMethodHMAC
-	SigningMethodHS512  *SigningMethodHMAC
-	ErrSignatureInvalid = errors.New("signature is invalid")
-)
-
-func init() {
-	// HS256
-	SigningMethodHS256 = &SigningMethodHMAC{"HS256", crypto.SHA256}
-	RegisterSigningMethod(SigningMethodHS256.Alg(), func() SigningMethod {
-		return SigningMethodHS256
-	})
-
-	// HS384
-	SigningMethodHS384 = &SigningMethodHMAC{"HS384", crypto.SHA384}
-	RegisterSigningMethod(SigningMethodHS384.Alg(), func() SigningMethod {
-		return SigningMethodHS384
-	})
-
-	// HS512
-	SigningMethodHS512 = &SigningMethodHMAC{"HS512", crypto.SHA512}
-	RegisterSigningMethod(SigningMethodHS512.Alg(), func() SigningMethod {
-		return SigningMethodHS512
-	})
-}
-
-func (m *SigningMethodHMAC) Alg() string {
-	return m.Name
-}
-
-// Verify the signature of HSXXX tokens.  Returns nil if the signature is valid.
-func (m *SigningMethodHMAC) Verify(signingString, signature string, key interface{}) error {
-	// Verify the key is the right type
-	keyBytes, ok := key.([]byte)
-	if !ok {
-		return ErrInvalidKeyType
-	}
-
-	// Decode signature, for comparison
-	sig, err := DecodeSegment(signature)
-	if err != nil {
-		return err
-	}
-
-	// Can we use the specified hashing method?
-	if !m.Hash.Available() {
-		return ErrHashUnavailable
-	}
-
-	// This signing method is symmetric, so we validate the signature
-	// by reproducing the signature from the signing string and key, then
-	// comparing that against the provided signature.
-	hasher := hmac.New(m.Hash.New, keyBytes)
-	hasher.Write([]byte(signingString))
-	if !hmac.Equal(sig, hasher.Sum(nil)) {
-		return ErrSignatureInvalid
-	}
-
-	// No validation errors.  Signature is good.
-	return nil
-}
-
-// Implements the Sign method from SigningMethod for this signing method.
-// Key must be []byte
-func (m *SigningMethodHMAC) Sign(signingString string, key interface{}) (string, error) {
-	if keyBytes, ok := key.([]byte); ok {
-		if !m.Hash.Available() {
-			return "", ErrHashUnavailable
-		}
-
-		hasher := hmac.New(m.Hash.New, keyBytes)
-		hasher.Write([]byte(signingString))
-
-		return EncodeSegment(hasher.Sum(nil)), nil
-	}
-
-	return "", ErrInvalidKey
-}

vendor/github.com/dgrijalva/jwt-go/map_claims.go

@@ -1,94 +0,0 @@
-package jwt
-
-import (
-	"encoding/json"
-	"errors"
-	// "fmt"
-)
-
-// Claims type that uses the map[string]interface{} for JSON decoding
-// This is the default claims type if you don't supply one
-type MapClaims map[string]interface{}
-
-// Compares the aud claim against cmp.
-// If required is false, this method will return true if the value matches or is unset
-func (m MapClaims) VerifyAudience(cmp string, req bool) bool {
-	aud, _ := m["aud"].(string)
-	return verifyAud(aud, cmp, req)
-}
-
-// Compares the exp claim against cmp.
-// If required is false, this method will return true if the value matches or is unset
-func (m MapClaims) VerifyExpiresAt(cmp int64, req bool) bool {
-	switch exp := m["exp"].(type) {
-	case float64:
-		return verifyExp(int64(exp), cmp, req)
-	case json.Number:
-		v, _ := exp.Int64()
-		return verifyExp(v, cmp, req)
-	}
-	return req == false
-}
-
-// Compares the iat claim against cmp.
-// If required is false, this method will return true if the value matches or is unset
-func (m MapClaims) VerifyIssuedAt(cmp int64, req bool) bool {
-	switch iat := m["iat"].(type) {
-	case float64:
-		return verifyIat(int64(iat), cmp, req)
-	case json.Number:
-		v, _ := iat.Int64()
-		return verifyIat(v, cmp, req)
-	}
-	return req == false
-}
-
-// Compares the iss claim against cmp.
-// If required is false, this method will return true if the value matches or is unset
-func (m MapClaims) VerifyIssuer(cmp string, req bool) bool {
-	iss, _ := m["iss"].(string)
-	return verifyIss(iss, cmp, req)
-}
-
-// Compares the nbf claim against cmp.
-// If required is false, this method will return true if the value matches or is unset
-func (m MapClaims) VerifyNotBefore(cmp int64, req bool) bool {
-	switch nbf := m["nbf"].(type) {
-	case float64:
-		return verifyNbf(int64(nbf), cmp, req)
-	case json.Number:
-		v, _ := nbf.Int64()
-		return verifyNbf(v, cmp, req)
-	}
-	return req == false
-}
-
-// Validates time based claims "exp, iat, nbf".
-// There is no accounting for clock skew.
-// As well, if any of the above claims are not in the token, it will still
-// be considered a valid claim.
-func (m MapClaims) Valid() error {
-	vErr := new(ValidationError)
-	now := TimeFunc().Unix()
-
-	if m.VerifyExpiresAt(now, false) == false {
-		vErr.Inner = errors.New("Token is expired")
-		vErr.Errors |= ValidationErrorExpired
-	}
-
-	if m.VerifyIssuedAt(now, false) == false {
-		vErr.Inner = errors.New("Token used before issued")
-		vErr.Errors |= ValidationErrorIssuedAt
-	}
-
-	if m.VerifyNotBefore(now, false) == false {
-		vErr.Inner = errors.New("Token is not valid yet")
-		vErr.Errors |= ValidationErrorNotValidYet
-	}
-
-	if vErr.valid() {
-		return nil
-	}
-
-	return vErr
-}

vendor/github.com/dgrijalva/jwt-go/none.go

@@ -1,52 +0,0 @@
-package jwt
-
-// Implements the none signing method.  This is required by the spec
-// but you probably should never use it.
-var SigningMethodNone *signingMethodNone
-
-const UnsafeAllowNoneSignatureType unsafeNoneMagicConstant = "none signing method allowed"
-
-var NoneSignatureTypeDisallowedError error
-
-type signingMethodNone struct{}
-type unsafeNoneMagicConstant string
-
-func init() {
-	SigningMethodNone = &signingMethodNone{}
-	NoneSignatureTypeDisallowedError = NewValidationError("'none' signature type is not allowed", ValidationErrorSignatureInvalid)
-
-	RegisterSigningMethod(SigningMethodNone.Alg(), func() SigningMethod {
-		return SigningMethodNone
-	})
-}
-
-func (m *signingMethodNone) Alg() string {
-	return "none"
-}
-
-// Only allow 'none' alg type if UnsafeAllowNoneSignatureType is specified as the key
-func (m *signingMethodNone) Verify(signingString, signature string, key interface{}) (err error) {
-	// Key must be UnsafeAllowNoneSignatureType to prevent accidentally
-	// accepting 'none' signing method
-	if _, ok := key.(unsafeNoneMagicConstant); !ok {
-		return NoneSignatureTypeDisallowedError
-	}
-	// If signing method is none, signature must be an empty string
-	if signature != "" {
-		return NewValidationError(
-			"'none' signing method with non-empty signature",
-			ValidationErrorSignatureInvalid,
-		)
-	}
-
-	// Accept 'none' signing method.
-	return nil
-}
-
-// Only allow 'none' signing if UnsafeAllowNoneSignatureType is specified as the key
-func (m *signingMethodNone) Sign(signingString string, key interface{}) (string, error) {
-	if _, ok := key.(unsafeNoneMagicConstant); ok {
-		return "", nil
-	}
-	return "", NoneSignatureTypeDisallowedError
-}

vendor/github.com/dgrijalva/jwt-go/parser.go

@@ -1,131 +0,0 @@
-package jwt
-
-import (
-	"bytes"
-	"encoding/json"
-	"fmt"
-	"strings"
-)
-
-type Parser struct {
-	ValidMethods         []string // If populated, only these methods will be considered valid
-	UseJSONNumber        bool     // Use JSON Number format in JSON decoder
-	SkipClaimsValidation bool     // Skip claims validation during token parsing
-}
-
-// Parse, validate, and return a token.
-// keyFunc will receive the parsed token and should return the key for validating.
-// If everything is kosher, err will be nil
-func (p *Parser) Parse(tokenString string, keyFunc Keyfunc) (*Token, error) {
-	return p.ParseWithClaims(tokenString, MapClaims{}, keyFunc)
-}
-
-func (p *Parser) ParseWithClaims(tokenString string, claims Claims, keyFunc Keyfunc) (*Token, error) {
-	parts := strings.Split(tokenString, ".")
-	if len(parts) != 3 {
-		return nil, NewValidationError("token contains an invalid number of segments", ValidationErrorMalformed)
-	}
-
-	var err error
-	token := &Token{Raw: tokenString}
-
-	// parse Header
-	var headerBytes []byte
-	if headerBytes, err = DecodeSegment(parts[0]); err != nil {
-		if strings.HasPrefix(strings.ToLower(tokenString), "bearer ") {
-			return token, NewValidationError("tokenstring should not contain 'bearer '", ValidationErrorMalformed)
-		}
-		return token, &ValidationError{Inner: err, Errors: ValidationErrorMalformed}
-	}
-	if err = json.Unmarshal(headerBytes, &token.Header); err != nil {
-		return token, &ValidationError{Inner: err, Errors: ValidationErrorMalformed}
-	}
-
-	// parse Claims
-	var claimBytes []byte
-	token.Claims = claims
-
-	if claimBytes, err = DecodeSegment(parts[1]); err != nil {
-		return token, &ValidationError{Inner: err, Errors: ValidationErrorMalformed}
-	}
-	dec := json.NewDecoder(bytes.NewBuffer(claimBytes))
-	if p.UseJSONNumber {
-		dec.UseNumber()
-	}
-	// JSON Decode.  Special case for map type to avoid weird pointer behavior
-	if c, ok := token.Claims.(MapClaims); ok {
-		err = dec.Decode(&c)
-	} else {
-		err = dec.Decode(&claims)
-	}
-	// Handle decode error
-	if err != nil {
-		return token, &ValidationError{Inner: err, Errors: ValidationErrorMalformed}
-	}
-
-	// Lookup signature method
-	if method, ok := token.Header["alg"].(string); ok {
-		if token.Method = GetSigningMethod(method); token.Method == nil {
-			return token, NewValidationError("signing method (alg) is unavailable.", ValidationErrorUnverifiable)
-		}
-	} else {
-		return token, NewValidationError("signing method (alg) is unspecified.", ValidationErrorUnverifiable)
-	}
-
-	// Verify signing method is in the required set
-	if p.ValidMethods != nil {
-		var signingMethodValid = false
-		var alg = token.Method.Alg()
-		for _, m := range p.ValidMethods {
-			if m == alg {
-				signingMethodValid = true
-				break
-			}
-		}
-		if !signingMethodValid {
-			// signing method is not in the listed set
-			return token, NewValidationError(fmt.Sprintf("signing method %v is invalid", alg), ValidationErrorSignatureInvalid)
-		}
-	}
-
-	// Lookup key
-	var key interface{}
-	if keyFunc == nil {
-		// keyFunc was not provided.  short circuiting validation
-		return token, NewValidationError("no Keyfunc was provided.", ValidationErrorUnverifiable)
-	}
-	if key, err = keyFunc(token); err != nil {
-		// keyFunc returned an error
-		return token, &ValidationError{Inner: err, Errors: ValidationErrorUnverifiable}
-	}
-
-	vErr := &ValidationError{}
-
-	// Validate Claims
-	if !p.SkipClaimsValidation {
-		if err := token.Claims.Valid(); err != nil {
-
-			// If the Claims Valid returned an error, check if it is a validation error,
-			// If it was another error type, create a ValidationError with a generic ClaimsInvalid flag set
-			if e, ok := err.(*ValidationError); !ok {
-				vErr = &ValidationError{Inner: err, Errors: ValidationErrorClaimsInvalid}
-			} else {
-				vErr = e
-			}
-		}
-	}
-
-	// Perform validation
-	token.Signature = parts[2]
-	if err = token.Method.Verify(strings.Join(parts[0:2], "."), token.Signature, key); err != nil {
-		vErr.Inner = err
-		vErr.Errors |= ValidationErrorSignatureInvalid
-	}
-
-	if vErr.valid() {
-		token.Valid = true
-		return token, nil
-	}
-
-	return token, vErr
-}

vendor/github.com/dgrijalva/jwt-go/rsa.go

@@ -1,100 +0,0 @@
-package jwt
-
-import (
-	"crypto"
-	"crypto/rand"
-	"crypto/rsa"
-)
-
-// Implements the RSA family of signing methods signing methods
-type SigningMethodRSA struct {
-	Name string
-	Hash crypto.Hash
-}
-
-// Specific instances for RS256 and company
-var (
-	SigningMethodRS256 *SigningMethodRSA
-	SigningMethodRS384 *SigningMethodRSA
-	SigningMethodRS512 *SigningMethodRSA
-)
-
-func init() {
-	// RS256
-	SigningMethodRS256 = &SigningMethodRSA{"RS256", crypto.SHA256}
-	RegisterSigningMethod(SigningMethodRS256.Alg(), func() SigningMethod {
-		return SigningMethodRS256
-	})
-
-	// RS384
-	SigningMethodRS384 = &SigningMethodRSA{"RS384", crypto.SHA384}
-	RegisterSigningMethod(SigningMethodRS384.Alg(), func() SigningMethod {
-		return SigningMethodRS384
-	})
-
-	// RS512
-	SigningMethodRS512 = &SigningMethodRSA{"RS512", crypto.SHA512}
-	RegisterSigningMethod(SigningMethodRS512.Alg(), func() SigningMethod {
-		return SigningMethodRS512
-	})
-}
-
-func (m *SigningMethodRSA) Alg() string {
-	return m.Name
-}
-
-// Implements the Verify method from SigningMethod
-// For this signing method, must be an rsa.PublicKey structure.
-func (m *SigningMethodRSA) Verify(signingString, signature string, key interface{}) error {
-	var err error
-
-	// Decode the signature
-	var sig []byte
-	if sig, err = DecodeSegment(signature); err != nil {
-		return err
-	}
-
-	var rsaKey *rsa.PublicKey
-	var ok bool
-
-	if rsaKey, ok = key.(*rsa.PublicKey); !ok {
-		return ErrInvalidKeyType
-	}
-
-	// Create hasher
-	if !m.Hash.Available() {
-		return ErrHashUnavailable
-	}
-	hasher := m.Hash.New()
-	hasher.Write([]byte(signingString))
-
-	// Verify the signature
-	return rsa.VerifyPKCS1v15(rsaKey, m.Hash, hasher.Sum(nil), sig)
-}
-
-// Implements the Sign method from SigningMethod
-// For this signing method, must be an rsa.PrivateKey structure.
-func (m *SigningMethodRSA) Sign(signingString string, key interface{}) (string, error) {
-	var rsaKey *rsa.PrivateKey
-	var ok bool
-
-	// Validate type of key
-	if rsaKey, ok = key.(*rsa.PrivateKey); !ok {
-		return "", ErrInvalidKey
-	}
-
-	// Create the hasher
-	if !m.Hash.Available() {
-		return "", ErrHashUnavailable
-	}
-
-	hasher := m.Hash.New()
-	hasher.Write([]byte(signingString))
-
-	// Sign the string and return the encoded bytes
-	if sigBytes, err := rsa.SignPKCS1v15(rand.Reader, rsaKey, m.Hash, hasher.Sum(nil)); err == nil {
-		return EncodeSegment(sigBytes), nil
-	} else {
-		return "", err
-	}
-}

vendor/github.com/dgrijalva/jwt-go/rsa_pss.go

@@ -1,126 +0,0 @@
-// +build go1.4
-
-package jwt
-
-import (
-	"crypto"
-	"crypto/rand"
-	"crypto/rsa"
-)
-
-// Implements the RSAPSS family of signing methods signing methods
-type SigningMethodRSAPSS struct {
-	*SigningMethodRSA
-	Options *rsa.PSSOptions
-}
-
-// Specific instances for RS/PS and company
-var (
-	SigningMethodPS256 *SigningMethodRSAPSS
-	SigningMethodPS384 *SigningMethodRSAPSS
-	SigningMethodPS512 *SigningMethodRSAPSS
-)
-
-func init() {
-	// PS256
-	SigningMethodPS256 = &SigningMethodRSAPSS{
-		&SigningMethodRSA{
-			Name: "PS256",
-			Hash: crypto.SHA256,
-		},
-		&rsa.PSSOptions{
-			SaltLength: rsa.PSSSaltLengthAuto,
-			Hash:       crypto.SHA256,
-		},
-	}
-	RegisterSigningMethod(SigningMethodPS256.Alg(), func() SigningMethod {
-		return SigningMethodPS256
-	})
-
-	// PS384
-	SigningMethodPS384 = &SigningMethodRSAPSS{
-		&SigningMethodRSA{
-			Name: "PS384",
-			Hash: crypto.SHA384,
-		},
-		&rsa.PSSOptions{
-			SaltLength: rsa.PSSSaltLengthAuto,
-			Hash:       crypto.SHA384,
-		},
-	}
-	RegisterSigningMethod(SigningMethodPS384.Alg(), func() SigningMethod {
-		return SigningMethodPS384
-	})
-
-	// PS512
-	SigningMethodPS512 = &SigningMethodRSAPSS{
-		&SigningMethodRSA{
-			Name: "PS512",
-			Hash: crypto.SHA512,
-		},
-		&rsa.PSSOptions{
-			SaltLength: rsa.PSSSaltLengthAuto,
-			Hash:       crypto.SHA512,
-		},
-	}
-	RegisterSigningMethod(SigningMethodPS512.Alg(), func() SigningMethod {
-		return SigningMethodPS512
-	})
-}
-
-// Implements the Verify method from SigningMethod
-// For this verify method, key must be an rsa.PublicKey struct
-func (m *SigningMethodRSAPSS) Verify(signingString, signature string, key interface{}) error {
-	var err error
-
-	// Decode the signature
-	var sig []byte
-	if sig, err = DecodeSegment(signature); err != nil {
-		return err
-	}
-
-	var rsaKey *rsa.PublicKey
-	switch k := key.(type) {
-	case *rsa.PublicKey:
-		rsaKey = k
-	default:
-		return ErrInvalidKey
-	}
-
-	// Create hasher
-	if !m.Hash.Available() {
-		return ErrHashUnavailable
-	}
-	hasher := m.Hash.New()
-	hasher.Write([]byte(signingString))
-
-	return rsa.VerifyPSS(rsaKey, m.Hash, hasher.Sum(nil), sig, m.Options)
-}
-
-// Implements the Sign method from SigningMethod
-// For this signing method, key must be an rsa.PrivateKey struct
-func (m *SigningMethodRSAPSS) Sign(signingString string, key interface{}) (string, error) {
-	var rsaKey *rsa.PrivateKey
-
-	switch k := key.(type) {
-	case *rsa.PrivateKey:
-		rsaKey = k
-	default:
-		return "", ErrInvalidKeyType
-	}
-
-	// Create the hasher
-	if !m.Hash.Available() {
-		return "", ErrHashUnavailable
-	}
-
-	hasher := m.Hash.New()
-	hasher.Write([]byte(signingString))
-
-	// Sign the string and return the encoded bytes
-	if sigBytes, err := rsa.SignPSS(rand.Reader, rsaKey, m.Hash, hasher.Sum(nil), m.Options); err == nil {
-		return EncodeSegment(sigBytes), nil
-	} else {
-		return "", err
-	}
-}

vendor/github.com/dgrijalva/jwt-go/rsa_utils.go

@@ -1,69 +0,0 @@
-package jwt
-
-import (
-	"crypto/rsa"
-	"crypto/x509"
-	"encoding/pem"
-	"errors"
-)
-
-var (
-	ErrKeyMustBePEMEncoded = errors.New("Invalid Key: Key must be PEM encoded PKCS1 or PKCS8 private key")
-	ErrNotRSAPrivateKey    = errors.New("Key is not a valid RSA private key")
-	ErrNotRSAPublicKey     = errors.New("Key is not a valid RSA public key")
-)
-
-// Parse PEM encoded PKCS1 or PKCS8 private key
-func ParseRSAPrivateKeyFromPEM(key []byte) (*rsa.PrivateKey, error) {
-	var err error
-
-	// Parse PEM block
-	var block *pem.Block
-	if block, _ = pem.Decode(key); block == nil {
-		return nil, ErrKeyMustBePEMEncoded
-	}
-
-	var parsedKey interface{}
-	if parsedKey, err = x509.ParsePKCS1PrivateKey(block.Bytes); err != nil {
-		if parsedKey, err = x509.ParsePKCS8PrivateKey(block.Bytes); err != nil {
-			return nil, err
-		}
-	}
-
-	var pkey *rsa.PrivateKey
-	var ok bool
-	if pkey, ok = parsedKey.(*rsa.PrivateKey); !ok {
-		return nil, ErrNotRSAPrivateKey
-	}
-
-	return pkey, nil
-}
-
-// Parse PEM encoded PKCS1 or PKCS8 public key
-func ParseRSAPublicKeyFromPEM(key []byte) (*rsa.PublicKey, error) {
-	var err error
-
-	// Parse PEM block
-	var block *pem.Block
-	if block, _ = pem.Decode(key); block == nil {
-		return nil, ErrKeyMustBePEMEncoded
-	}
-
-	// Parse the key
-	var parsedKey interface{}
-	if parsedKey, err = x509.ParsePKIXPublicKey(block.Bytes); err != nil {
-		if cert, err := x509.ParseCertificate(block.Bytes); err == nil {
-			parsedKey = cert.PublicKey
-		} else {
-			return nil, err
-		}
-	}
-
-	var pkey *rsa.PublicKey
-	var ok bool
-	if pkey, ok = parsedKey.(*rsa.PublicKey); !ok {
-		return nil, ErrNotRSAPublicKey
-	}
-
-	return pkey, nil
-}

vendor/github.com/dgrijalva/jwt-go/signing_method.go

@@ -1,35 +0,0 @@
-package jwt
-
-import (
-	"sync"
-)
-
-var signingMethods = map[string]func() SigningMethod{}
-var signingMethodLock = new(sync.RWMutex)
-
-// Implement SigningMethod to add new methods for signing or verifying tokens.
-type SigningMethod interface {
-	Verify(signingString, signature string, key interface{}) error // Returns nil if signature is valid
-	Sign(signingString string, key interface{}) (string, error)    // Returns encoded signature or error
-	Alg() string                                                   // returns the alg identifier for this method (example: 'HS256')
-}
-
-// Register the "alg" name and a factory function for signing method.
-// This is typically done during init() in the method's implementation
-func RegisterSigningMethod(alg string, f func() SigningMethod) {
-	signingMethodLock.Lock()
-	defer signingMethodLock.Unlock()
-
-	signingMethods[alg] = f
-}
-
-// Get a signing method from an "alg" string
-func GetSigningMethod(alg string) (method SigningMethod) {
-	signingMethodLock.RLock()
-	defer signingMethodLock.RUnlock()
-
-	if methodF, ok := signingMethods[alg]; ok {
-		method = methodF()
-	}
-	return
-}

vendor/github.com/dgrijalva/jwt-go/token.go

@@ -1,108 +0,0 @@
-package jwt
-
-import (
-	"encoding/base64"
-	"encoding/json"
-	"strings"
-	"time"
-)
-
-// TimeFunc provides the current time when parsing token to validate "exp" claim (expiration time).
-// You can override it to use another time value.  This is useful for testing or if your
-// server uses a different time zone than your tokens.
-var TimeFunc = time.Now
-
-// Parse methods use this callback function to supply
-// the key for verification.  The function receives the parsed,
-// but unverified Token.  This allows you to use properties in the
-// Header of the token (such as `kid`) to identify which key to use.
-type Keyfunc func(*Token) (interface{}, error)
-
-// A JWT Token.  Different fields will be used depending on whether you're
-// creating or parsing/verifying a token.
-type Token struct {
-	Raw       string                 // The raw token.  Populated when you Parse a token
-	Method    SigningMethod          // The signing method used or to be used
-	Header    map[string]interface{} // The first segment of the token
-	Claims    Claims                 // The second segment of the token
-	Signature string                 // The third segment of the token.  Populated when you Parse a token
-	Valid     bool                   // Is the token valid?  Populated when you Parse/Verify a token
-}
-
-// Create a new Token.  Takes a signing method
-func New(method SigningMethod) *Token {
-	return NewWithClaims(method, MapClaims{})
-}
-
-func NewWithClaims(method SigningMethod, claims Claims) *Token {
-	return &Token{
-		Header: map[string]interface{}{
-			"typ": "JWT",
-			"alg": method.Alg(),
-		},
-		Claims: claims,
-		Method: method,
-	}
-}
-
-// Get the complete, signed token
-func (t *Token) SignedString(key interface{}) (string, error) {
-	var sig, sstr string
-	var err error
-	if sstr, err = t.SigningString(); err != nil {
-		return "", err
-	}
-	if sig, err = t.Method.Sign(sstr, key); err != nil {
-		return "", err
-	}
-	return strings.Join([]string{sstr, sig}, "."), nil
-}
-
-// Generate the signing string.  This is the
-// most expensive part of the whole deal.  Unless you
-// need this for something special, just go straight for
-// the SignedString.
-func (t *Token) SigningString() (string, error) {
-	var err error
-	parts := make([]string, 2)
-	for i, _ := range parts {
-		var jsonValue []byte
-		if i == 0 {
-			if jsonValue, err = json.Marshal(t.Header); err != nil {
-				return "", err
-			}
-		} else {
-			if jsonValue, err = json.Marshal(t.Claims); err != nil {
-				return "", err
-			}
-		}
-
-		parts[i] = EncodeSegment(jsonValue)
-	}
-	return strings.Join(parts, "."), nil
-}
-
-// Parse, validate, and return a token.
-// keyFunc will receive the parsed token and should return the key for validating.
-// If everything is kosher, err will be nil
-func Parse(tokenString string, keyFunc Keyfunc) (*Token, error) {
-	return new(Parser).Parse(tokenString, keyFunc)
-}
-
-func ParseWithClaims(tokenString string, claims Claims, keyFunc Keyfunc) (*Token, error) {
-	return new(Parser).ParseWithClaims(tokenString, claims, keyFunc)
-}
-
-// Encode JWT specific base64url encoding with padding stripped
-func EncodeSegment(seg []byte) string {
-	return strings.TrimRight(base64.URLEncoding.EncodeToString(seg), "=")
-}
-
-// Decode JWT specific base64url encoding with padding stripped
-func DecodeSegment(seg string) ([]byte, error) {
-	if l := len(seg) % 4; l > 0 {
-		seg += strings.Repeat("=", 4-l)
-	}
-
-	return base64.URLEncoding.DecodeString(seg)
-}

vendor/github.com/docker/spdystream/CONTRIBUTING.md

@@ -1,13 +0,0 @@
-# Contributing to SpdyStream
-
-Want to hack on spdystream? Awesome! Here are instructions to get you
-started.
-
-SpdyStream is a part of the [Docker](https://docker.io) project, and follows
-the same rules and principles. If you're already familiar with the way
-Docker does things, you'll feel right at home.
-
-Otherwise, go read
-[Docker's contributions guidelines](https://github.com/dotcloud/docker/blob/master/CONTRIBUTING.md).
-
-Happy hacking!

vendor/github.com/docker/spdystream/LICENSE

@@ -1,191 +0,0 @@
-
-                                 Apache License
-                           Version 2.0, January 2004
-                        http://www.apache.org/licenses/
-
-   TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION
-
-   1. Definitions.
-
-      "License" shall mean the terms and conditions for use, reproduction,
-      and distribution as defined by Sections 1 through 9 of this document.
-
-      "Licensor" shall mean the copyright owner or entity authorized by
-      the copyright owner that is granting the License.
-
-      "Legal Entity" shall mean the union of the acting entity and all
-      other entities that control, are controlled by, or are under common
-      control with that entity. For the purposes of this definition,
-      "control" means (i) the power, direct or indirect, to cause the
-      direction or management of such entity, whether by contract or
-      otherwise, or (ii) ownership of fifty percent (50%) or more of the
-      outstanding shares, or (iii) beneficial ownership of such entity.
-
-      "You" (or "Your") shall mean an individual or Legal Entity
-      exercising permissions granted by this License.
-
-      "Source" form shall mean the preferred form for making modifications,
-      including but not limited to software source code, documentation
-      source, and configuration files.
-
-      "Object" form shall mean any form resulting from mechanical
-      transformation or translation of a Source form, including but
-      not limited to compiled object code, generated documentation,
-      and conversions to other media types.
-
-      "Work" shall mean the work of authorship, whether in Source or
-      Object form, made available under the License, as indicated by a
-      copyright notice that is included in or attached to the work
-      (an example is provided in the Appendix below).
-
-      "Derivative Works" shall mean any work, whether in Source or Object
-      form, that is based on (or derived from) the Work and for which the
-      editorial revisions, annotations, elaborations, or other modifications
-      represent, as a whole, an original work of authorship. For the purposes
-      of this License, Derivative Works shall not include works that remain
-      separable from, or merely link (or bind by name) to the interfaces of,
-      the Work and Derivative Works thereof.
-
-      "Contribution" shall mean any work of authorship, including
-      the original version of the Work and any modifications or additions
-      to that Work or Derivative Works thereof, that is intentionally
-      submitted to Licensor for inclusion in the Work by the copyright owner
-      or by an individual or Legal Entity authorized to submit on behalf of
-      the copyright owner. For the purposes of this definition, "submitted"
-      means any form of electronic, verbal, or written communication sent
-      to the Licensor or its representatives, including but not limited to
-      communication on electronic mailing lists, source code control systems,
-      and issue tracking systems that are managed by, or on behalf of, the
-      Licensor for the purpose of discussing and improving the Work, but
-      excluding communication that is conspicuously marked or otherwise
-      designated in writing by the copyright owner as "Not a Contribution."
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-      "Contributor" shall mean Licensor and any individual or Legal Entity
-      on behalf of whom a Contribution has been received by Licensor and
-      subsequently incorporated within the Work.
-
-   2. Grant of Copyright License. Subject to the terms and conditions of
-      this License, each Contributor hereby grants to You a perpetual,
-      worldwide, non-exclusive, no-charge, royalty-free, irrevocable
-      copyright license to reproduce, prepare Derivative Works of,
-      publicly display, publicly perform, sublicense, and distribute the
-      Work and such Derivative Works in Source or Object form.
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-   3. Grant of Patent License. Subject to the terms and conditions of
-      this License, each Contributor hereby grants to You a perpetual,
-      worldwide, non-exclusive, no-charge, royalty-free, irrevocable
-      (except as stated in this section) patent license to make, have made,
-      use, offer to sell, sell, import, and otherwise transfer the Work,
-      where such license applies only to those patent claims licensable
-      by such Contributor that are necessarily infringed by their
-      Contribution(s) alone or by combination of their Contribution(s)
-      with the Work to which such Contribution(s) was submitted. If You
-      institute patent litigation against any entity (including a
-      cross-claim or counterclaim in a lawsuit) alleging that the Work
-      or a Contribution incorporated within the Work constitutes direct
-      or contributory patent infringement, then any patent licenses
-      granted to You under this License for that Work shall terminate
-      as of the date such litigation is filed.
-
-   4. Redistribution. You may reproduce and distribute copies of the
-      Work or Derivative Works thereof in any medium, with or without
-      modifications, and in Source or Object form, provided that You
-      meet the following conditions:
-
-      (a) You must give any other recipients of the Work or
-          Derivative Works a copy of this License; and
-
-      (b) You must cause any modified files to carry prominent notices
-          stating that You changed the files; and
-
-      (c) You must retain, in the Source form of any Derivative Works
-          that You distribute, all copyright, patent, trademark, and
-          attribution notices from the Source form of the Work,
-          excluding those notices that do not pertain to any part of
-          the Derivative Works; and
-
-      (d) If the Work includes a "NOTICE" text file as part of its
-          distribution, then any Derivative Works that You distribute must
-          include a readable copy of the attribution notices contained
-          within such NOTICE file, excluding those notices that do not
-          pertain to any part of the Derivative Works, in at least one
-          of the following places: within a NOTICE text file distributed
-          as part of the Derivative Works; within the Source form or
-          documentation, if provided along with the Derivative Works; or,
-          within a display generated by the Derivative Works, if and
-          wherever such third-party notices normally appear. The contents
-          of the NOTICE file are for informational purposes only and
-          do not modify the License. You may add Your own attribution
-          notices within Derivative Works that You distribute, alongside
-          or as an addendum to the NOTICE text from the Work, provided
-          that such additional attribution notices cannot be construed
-          as modifying the License.
-
-      You may add Your own copyright statement to Your modifications and
-      may provide additional or different license terms and conditions
-      for use, reproduction, or distribution of Your modifications, or
-      for any such Derivative Works as a whole, provided Your use,
-      reproduction, and distribution of the Work otherwise complies with
-      the conditions stated in this License.
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-   Licensed under the Apache License, Version 2.0 (the "License");
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vendor/github.com/docker/spdystream/LICENSE.docs

@@ -1,425 +0,0 @@
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vendor/github.com/docker/spdystream/MAINTAINERS

@@ -1,28 +0,0 @@
-# Spdystream maintainers file
-#
-# This file describes who runs the docker/spdystream project and how.
-# This is a living document - if you see something out of date or missing, speak up!
-#
-# It is structured to be consumable by both humans and programs.
-# To extract its contents programmatically, use any TOML-compliant parser.
-#
-# This file is compiled into the MAINTAINERS file in docker/opensource.
-#
-[Org]
-	[Org."Core maintainers"]
-		people = [
-			"dmcgowan",
-		]
-
-[people]
-
-# A reference list of all people associated with the project.
-# All other sections should refer to people by their canonical key
-# in the people section.
-
-	# ADD YOURSELF HERE IN ALPHABETICAL ORDER
-
-	[people.dmcgowan]
-	Name = "Derek McGowan"
-	Email = "derek@docker.com"
-	GitHub = "dmcgowan"

vendor/github.com/docker/spdystream/README.md

@@ -1,77 +0,0 @@
-# SpdyStream
-
-A multiplexed stream library using spdy
-
-## Usage
-
-Client example (connecting to mirroring server without auth)
-
-```go
-package main
-
-import (
-	"fmt"
-	"github.com/docker/spdystream"
-	"net"
-	"net/http"
-)
-
-func main() {
-	conn, err := net.Dial("tcp", "localhost:8080")
-	if err != nil {
-		panic(err)
-	}
-	spdyConn, err := spdystream.NewConnection(conn, false)
-	if err != nil {
-		panic(err)
-	}
-	go spdyConn.Serve(spdystream.NoOpStreamHandler)
-	stream, err := spdyConn.CreateStream(http.Header{}, nil, false)
-	if err != nil {
-		panic(err)
-	}
-
-	stream.Wait()
-
-	fmt.Fprint(stream, "Writing to stream")
-
-	buf := make([]byte, 25)
-	stream.Read(buf)
-	fmt.Println(string(buf))
-
-	stream.Close()
-}
-```
-
-Server example (mirroring server without auth)
-
-```go
-package main
-
-import (
-	"github.com/docker/spdystream"
-	"net"
-)
-
-func main() {
-	listener, err := net.Listen("tcp", "localhost:8080")
-	if err != nil {
-		panic(err)
-	}
-	for {
-		conn, err := listener.Accept()
-		if err != nil {
-			panic(err)
-		}
-		spdyConn, err := spdystream.NewConnection(conn, true)
-		if err != nil {
-			panic(err)
-		}
-		go spdyConn.Serve(spdystream.MirrorStreamHandler)
-	}
-}
-```
-
-## Copyright and license
-
-Copyright © 2014-2015 Docker, Inc. All rights reserved, except as follows. Code is released under the Apache 2.0 license. The README.md file, and files in the "docs" folder are licensed under the Creative Commons Attribution 4.0 International License under the terms and conditions set forth in the file "LICENSE.docs". You may obtain a duplicate copy of the same license, titled CC-BY-SA-4.0, at http://creativecommons.org/licenses/by/4.0/.

vendor/github.com/docker/spdystream/connection.go

@@ -1,958 +0,0 @@
-package spdystream
-
-import (
-	"errors"
-	"fmt"
-	"io"
-	"net"
-	"net/http"
-	"sync"
-	"time"
-
-	"github.com/docker/spdystream/spdy"
-)
-
-var (
-	ErrInvalidStreamId   = errors.New("Invalid stream id")
-	ErrTimeout           = errors.New("Timeout occured")
-	ErrReset             = errors.New("Stream reset")
-	ErrWriteClosedStream = errors.New("Write on closed stream")
-)
-
-const (
-	FRAME_WORKERS = 5
-	QUEUE_SIZE    = 50
-)
-
-type StreamHandler func(stream *Stream)
-
-type AuthHandler func(header http.Header, slot uint8, parent uint32) bool
-
-type idleAwareFramer struct {
-	f              *spdy.Framer
-	conn           *Connection
-	writeLock      sync.Mutex
-	resetChan      chan struct{}
-	setTimeoutLock sync.Mutex
-	setTimeoutChan chan time.Duration
-	timeout        time.Duration
-}
-
-func newIdleAwareFramer(framer *spdy.Framer) *idleAwareFramer {
-	iaf := &idleAwareFramer{
-		f:         framer,
-		resetChan: make(chan struct{}, 2),
-		// setTimeoutChan needs to be buffered to avoid deadlocks when calling setIdleTimeout at about
-		// the same time the connection is being closed
-		setTimeoutChan: make(chan time.Duration, 1),
-	}
-	return iaf
-}
-
-func (i *idleAwareFramer) monitor() {
-	var (
-		timer          *time.Timer
-		expired        <-chan time.Time
-		resetChan      = i.resetChan
-		setTimeoutChan = i.setTimeoutChan
-	)
-Loop:
-	for {
-		select {
-		case timeout := <-i.setTimeoutChan:
-			i.timeout = timeout
-			if timeout == 0 {
-				if timer != nil {
-					timer.Stop()
-				}
-			} else {
-				if timer == nil {
-					timer = time.NewTimer(timeout)
-					expired = timer.C
-				} else {
-					timer.Reset(timeout)
-				}
-			}
-		case <-resetChan:
-			if timer != nil && i.timeout > 0 {
-				timer.Reset(i.timeout)
-			}
-		case <-expired:
-			i.conn.streamCond.L.Lock()
-			streams := i.conn.streams
-			i.conn.streams = make(map[spdy.StreamId]*Stream)
-			i.conn.streamCond.Broadcast()
-			i.conn.streamCond.L.Unlock()
-			go func() {
-				for _, stream := range streams {
-					stream.resetStream()
-				}
-				i.conn.Close()
-			}()
-		case <-i.conn.closeChan:
-			if timer != nil {
-				timer.Stop()
-			}
-
-			// Start a goroutine to drain resetChan. This is needed because we've seen
-			// some unit tests with large numbers of goroutines get into a situation
-			// where resetChan fills up, at least 1 call to Write() is still trying to
-			// send to resetChan, the connection gets closed, and this case statement
-			// attempts to grab the write lock that Write() already has, causing a
-			// deadlock.
-			//
-			// See https://github.com/docker/spdystream/issues/49 for more details.
-			go func() {
-				for _ = range resetChan {
-				}
-			}()
-
-			go func() {
-				for _ = range setTimeoutChan {
-				}
-			}()
-
-			i.writeLock.Lock()
-			close(resetChan)
-			i.resetChan = nil
-			i.writeLock.Unlock()
-
-			i.setTimeoutLock.Lock()
-			close(i.setTimeoutChan)
-			i.setTimeoutChan = nil
-			i.setTimeoutLock.Unlock()
-
-			break Loop
-		}
-	}
-
-	// Drain resetChan
-	for _ = range resetChan {
-	}
-}
-
-func (i *idleAwareFramer) WriteFrame(frame spdy.Frame) error {
-	i.writeLock.Lock()
-	defer i.writeLock.Unlock()
-	if i.resetChan == nil {
-		return io.EOF
-	}
-	err := i.f.WriteFrame(frame)
-	if err != nil {
-		return err
-	}
-
-	i.resetChan <- struct{}{}
-
-	return nil
-}
-
-func (i *idleAwareFramer) ReadFrame() (spdy.Frame, error) {
-	frame, err := i.f.ReadFrame()
-	if err != nil {
-		return nil, err
-	}
-
-	// resetChan should never be closed since it is only closed
-	// when the connection has closed its closeChan. This closure
-	// only occurs after all Reads have finished
-	// TODO (dmcgowan): refactor relationship into connection
-	i.resetChan <- struct{}{}
-
-	return frame, nil
-}
-
-func (i *idleAwareFramer) setIdleTimeout(timeout time.Duration) {
-	i.setTimeoutLock.Lock()
-	defer i.setTimeoutLock.Unlock()
-
-	if i.setTimeoutChan == nil {
-		return
-	}
-
-	i.setTimeoutChan <- timeout
-}
-
-type Connection struct {
-	conn   net.Conn
-	framer *idleAwareFramer
-
-	closeChan      chan bool
-	goneAway       bool
-	lastStreamChan chan<- *Stream
-	goAwayTimeout  time.Duration
-	closeTimeout   time.Duration
-
-	streamLock *sync.RWMutex
-	streamCond *sync.Cond
-	streams    map[spdy.StreamId]*Stream
-
-	nextIdLock       sync.Mutex
-	receiveIdLock    sync.Mutex
-	nextStreamId     spdy.StreamId
-	receivedStreamId spdy.StreamId
-
-	pingIdLock sync.Mutex
-	pingId     uint32
-	pingChans  map[uint32]chan error
-
-	shutdownLock sync.Mutex
-	shutdownChan chan error
-	hasShutdown  bool
-
-	// for testing https://github.com/docker/spdystream/pull/56
-	dataFrameHandler func(*spdy.DataFrame) error
-}
-
-// NewConnection creates a new spdy connection from an existing
-// network connection.
-func NewConnection(conn net.Conn, server bool) (*Connection, error) {
-	framer, framerErr := spdy.NewFramer(conn, conn)
-	if framerErr != nil {
-		return nil, framerErr
-	}
-	idleAwareFramer := newIdleAwareFramer(framer)
-	var sid spdy.StreamId
-	var rid spdy.StreamId
-	var pid uint32
-	if server {
-		sid = 2
-		rid = 1
-		pid = 2
-	} else {
-		sid = 1
-		rid = 2
-		pid = 1
-	}
-
-	streamLock := new(sync.RWMutex)
-	streamCond := sync.NewCond(streamLock)
-
-	session := &Connection{
-		conn:   conn,
-		framer: idleAwareFramer,
-
-		closeChan:     make(chan bool),
-		goAwayTimeout: time.Duration(0),
-		closeTimeout:  time.Duration(0),
-
-		streamLock:       streamLock,
-		streamCond:       streamCond,
-		streams:          make(map[spdy.StreamId]*Stream),
-		nextStreamId:     sid,
-		receivedStreamId: rid,
-
-		pingId:    pid,
-		pingChans: make(map[uint32]chan error),
-
-		shutdownChan: make(chan error),
-	}
-	session.dataFrameHandler = session.handleDataFrame
-	idleAwareFramer.conn = session
-	go idleAwareFramer.monitor()
-
-	return session, nil
-}
-
-// Ping sends a ping frame across the connection and
-// returns the response time
-func (s *Connection) Ping() (time.Duration, error) {
-	pid := s.pingId
-	s.pingIdLock.Lock()
-	if s.pingId > 0x7ffffffe {
-		s.pingId = s.pingId - 0x7ffffffe
-	} else {
-		s.pingId = s.pingId + 2
-	}
-	s.pingIdLock.Unlock()
-	pingChan := make(chan error)
-	s.pingChans[pid] = pingChan
-	defer delete(s.pingChans, pid)
-
-	frame := &spdy.PingFrame{Id: pid}
-	startTime := time.Now()
-	writeErr := s.framer.WriteFrame(frame)
-	if writeErr != nil {
-		return time.Duration(0), writeErr
-	}
-	select {
-	case <-s.closeChan:
-		return time.Duration(0), errors.New("connection closed")
-	case err, ok := <-pingChan:
-		if ok && err != nil {
-			return time.Duration(0), err
-		}
-		break
-	}
-	return time.Now().Sub(startTime), nil
-}
-
-// Serve handles frames sent from the server, including reply frames
-// which are needed to fully initiate connections.  Both clients and servers
-// should call Serve in a separate goroutine before creating streams.
-func (s *Connection) Serve(newHandler StreamHandler) {
-	// use a WaitGroup to wait for all frames to be drained after receiving
-	// go-away.
-	var wg sync.WaitGroup
-
-	// Parition queues to ensure stream frames are handled
-	// by the same worker, ensuring order is maintained
-	frameQueues := make([]*PriorityFrameQueue, FRAME_WORKERS)
-	for i := 0; i < FRAME_WORKERS; i++ {
-		frameQueues[i] = NewPriorityFrameQueue(QUEUE_SIZE)
-
-		// Ensure frame queue is drained when connection is closed
-		go func(frameQueue *PriorityFrameQueue) {
-			<-s.closeChan
-			frameQueue.Drain()
-		}(frameQueues[i])
-
-		wg.Add(1)
-		go func(frameQueue *PriorityFrameQueue) {
-			// let the WaitGroup know this worker is done
-			defer wg.Done()
-
-			s.frameHandler(frameQueue, newHandler)
-		}(frameQueues[i])
-	}
-
-	var (
-		partitionRoundRobin int
-		goAwayFrame         *spdy.GoAwayFrame
-	)
-Loop:
-	for {
-		readFrame, err := s.framer.ReadFrame()
-		if err != nil {
-			if err != io.EOF {
-				fmt.Errorf("frame read error: %s", err)
-			} else {
-				debugMessage("(%p) EOF received", s)
-			}
-			break
-		}
-		var priority uint8
-		var partition int
-		switch frame := readFrame.(type) {
-		case *spdy.SynStreamFrame:
-			if s.checkStreamFrame(frame) {
-				priority = frame.Priority
-				partition = int(frame.StreamId % FRAME_WORKERS)
-				debugMessage("(%p) Add stream frame: %d ", s, frame.StreamId)
-				s.addStreamFrame(frame)
-			} else {
-				debugMessage("(%p) Rejected stream frame: %d ", s, frame.StreamId)
-				continue
-			}
-		case *spdy.SynReplyFrame:
-			priority = s.getStreamPriority(frame.StreamId)
-			partition = int(frame.StreamId % FRAME_WORKERS)
-		case *spdy.DataFrame:
-			priority = s.getStreamPriority(frame.StreamId)
-			partition = int(frame.StreamId % FRAME_WORKERS)
-		case *spdy.RstStreamFrame:
-			priority = s.getStreamPriority(frame.StreamId)
-			partition = int(frame.StreamId % FRAME_WORKERS)
-		case *spdy.HeadersFrame:
-			priority = s.getStreamPriority(frame.StreamId)
-			partition = int(frame.StreamId % FRAME_WORKERS)
-		case *spdy.PingFrame:
-			priority = 0
-			partition = partitionRoundRobin
-			partitionRoundRobin = (partitionRoundRobin + 1) % FRAME_WORKERS
-		case *spdy.GoAwayFrame:
-			// hold on to the go away frame and exit the loop
-			goAwayFrame = frame
-			break Loop
-		default:
-			priority = 7
-			partition = partitionRoundRobin
-			partitionRoundRobin = (partitionRoundRobin + 1) % FRAME_WORKERS
-		}
-		frameQueues[partition].Push(readFrame, priority)
-	}
-	close(s.closeChan)
-
-	// wait for all frame handler workers to indicate they've drained their queues
-	// before handling the go away frame
-	wg.Wait()
-
-	if goAwayFrame != nil {
-		s.handleGoAwayFrame(goAwayFrame)
-	}
-
-	// now it's safe to close remote channels and empty s.streams
-	s.streamCond.L.Lock()
-	// notify streams that they're now closed, which will
-	// unblock any stream Read() calls
-	for _, stream := range s.streams {
-		stream.closeRemoteChannels()
-	}
-	s.streams = make(map[spdy.StreamId]*Stream)
-	s.streamCond.Broadcast()
-	s.streamCond.L.Unlock()
-}
-
-func (s *Connection) frameHandler(frameQueue *PriorityFrameQueue, newHandler StreamHandler) {
-	for {
-		popFrame := frameQueue.Pop()
-		if popFrame == nil {
-			return
-		}
-
-		var frameErr error
-		switch frame := popFrame.(type) {
-		case *spdy.SynStreamFrame:
-			frameErr = s.handleStreamFrame(frame, newHandler)
-		case *spdy.SynReplyFrame:
-			frameErr = s.handleReplyFrame(frame)
-		case *spdy.DataFrame:
-			frameErr = s.dataFrameHandler(frame)
-		case *spdy.RstStreamFrame:
-			frameErr = s.handleResetFrame(frame)
-		case *spdy.HeadersFrame:
-			frameErr = s.handleHeaderFrame(frame)
-		case *spdy.PingFrame:
-			frameErr = s.handlePingFrame(frame)
-		case *spdy.GoAwayFrame:
-			frameErr = s.handleGoAwayFrame(frame)
-		default:
-			frameErr = fmt.Errorf("unhandled frame type: %T", frame)
-		}
-
-		if frameErr != nil {
-			fmt.Errorf("frame handling error: %s", frameErr)
-		}
-	}
-}
-
-func (s *Connection) getStreamPriority(streamId spdy.StreamId) uint8 {
-	stream, streamOk := s.getStream(streamId)
-	if !streamOk {
-		return 7
-	}
-	return stream.priority
-}
-
-func (s *Connection) addStreamFrame(frame *spdy.SynStreamFrame) {
-	var parent *Stream
-	if frame.AssociatedToStreamId != spdy.StreamId(0) {
-		parent, _ = s.getStream(frame.AssociatedToStreamId)
-	}
-
-	stream := &Stream{
-		streamId:   frame.StreamId,
-		parent:     parent,
-		conn:       s,
-		startChan:  make(chan error),
-		headers:    frame.Headers,
-		finished:   (frame.CFHeader.Flags & spdy.ControlFlagUnidirectional) != 0x00,
-		replyCond:  sync.NewCond(new(sync.Mutex)),
-		dataChan:   make(chan []byte),
-		headerChan: make(chan http.Header),
-		closeChan:  make(chan bool),
-	}
-	if frame.CFHeader.Flags&spdy.ControlFlagFin != 0x00 {
-		stream.closeRemoteChannels()
-	}
-
-	s.addStream(stream)
-}
-
-// checkStreamFrame checks to see if a stream frame is allowed.
-// If the stream is invalid, then a reset frame with protocol error
-// will be returned.
-func (s *Connection) checkStreamFrame(frame *spdy.SynStreamFrame) bool {
-	s.receiveIdLock.Lock()
-	defer s.receiveIdLock.Unlock()
-	if s.goneAway {
-		return false
-	}
-	validationErr := s.validateStreamId(frame.StreamId)
-	if validationErr != nil {
-		go func() {
-			resetErr := s.sendResetFrame(spdy.ProtocolError, frame.StreamId)
-			if resetErr != nil {
-				fmt.Errorf("reset error: %s", resetErr)
-			}
-		}()
-		return false
-	}
-	return true
-}
-
-func (s *Connection) handleStreamFrame(frame *spdy.SynStreamFrame, newHandler StreamHandler) error {
-	stream, ok := s.getStream(frame.StreamId)
-	if !ok {
-		return fmt.Errorf("Missing stream: %d", frame.StreamId)
-	}
-
-	newHandler(stream)
-
-	return nil
-}
-
-func (s *Connection) handleReplyFrame(frame *spdy.SynReplyFrame) error {
-	debugMessage("(%p) Reply frame received for %d", s, frame.StreamId)
-	stream, streamOk := s.getStream(frame.StreamId)
-	if !streamOk {
-		debugMessage("Reply frame gone away for %d", frame.StreamId)
-		// Stream has already gone away
-		return nil
-	}
-	if stream.replied {
-		// Stream has already received reply
-		return nil
-	}
-	stream.replied = true
-
-	// TODO Check for error
-	if (frame.CFHeader.Flags & spdy.ControlFlagFin) != 0x00 {
-		s.remoteStreamFinish(stream)
-	}
-
-	close(stream.startChan)
-
-	return nil
-}
-
-func (s *Connection) handleResetFrame(frame *spdy.RstStreamFrame) error {
-	stream, streamOk := s.getStream(frame.StreamId)
-	if !streamOk {
-		// Stream has already been removed
-		return nil
-	}
-	s.removeStream(stream)
-	stream.closeRemoteChannels()
-
-	if !stream.replied {
-		stream.replied = true
-		stream.startChan <- ErrReset
-		close(stream.startChan)
-	}
-
-	stream.finishLock.Lock()
-	stream.finished = true
-	stream.finishLock.Unlock()
-
-	return nil
-}
-
-func (s *Connection) handleHeaderFrame(frame *spdy.HeadersFrame) error {
-	stream, streamOk := s.getStream(frame.StreamId)
-	if !streamOk {
-		// Stream has already gone away
-		return nil
-	}
-	if !stream.replied {
-		// No reply received...Protocol error?
-		return nil
-	}
-
-	// TODO limit headers while not blocking (use buffered chan or goroutine?)
-	select {
-	case <-stream.closeChan:
-		return nil
-	case stream.headerChan <- frame.Headers:
-	}
-
-	if (frame.CFHeader.Flags & spdy.ControlFlagFin) != 0x00 {
-		s.remoteStreamFinish(stream)
-	}
-
-	return nil
-}
-
-func (s *Connection) handleDataFrame(frame *spdy.DataFrame) error {
-	debugMessage("(%p) Data frame received for %d", s, frame.StreamId)
-	stream, streamOk := s.getStream(frame.StreamId)
-	if !streamOk {
-		debugMessage("(%p) Data frame gone away for %d", s, frame.StreamId)
-		// Stream has already gone away
-		return nil
-	}
-	if !stream.replied {
-		debugMessage("(%p) Data frame not replied %d", s, frame.StreamId)
-		// No reply received...Protocol error?
-		return nil
-	}
-
-	debugMessage("(%p) (%d) Data frame handling", stream, stream.streamId)
-	if len(frame.Data) > 0 {
-		stream.dataLock.RLock()
-		select {
-		case <-stream.closeChan:
-			debugMessage("(%p) (%d) Data frame not sent (stream shut down)", stream, stream.streamId)
-		case stream.dataChan <- frame.Data:
-			debugMessage("(%p) (%d) Data frame sent", stream, stream.streamId)
-		}
-		stream.dataLock.RUnlock()
-	}
-	if (frame.Flags & spdy.DataFlagFin) != 0x00 {
-		s.remoteStreamFinish(stream)
-	}
-	return nil
-}
-
-func (s *Connection) handlePingFrame(frame *spdy.PingFrame) error {
-	if s.pingId&0x01 != frame.Id&0x01 {
-		return s.framer.WriteFrame(frame)
-	}
-	pingChan, pingOk := s.pingChans[frame.Id]
-	if pingOk {
-		close(pingChan)
-	}
-	return nil
-}
-
-func (s *Connection) handleGoAwayFrame(frame *spdy.GoAwayFrame) error {
-	debugMessage("(%p) Go away received", s)
-	s.receiveIdLock.Lock()
-	if s.goneAway {
-		s.receiveIdLock.Unlock()
-		return nil
-	}
-	s.goneAway = true
-	s.receiveIdLock.Unlock()
-
-	if s.lastStreamChan != nil {
-		stream, _ := s.getStream(frame.LastGoodStreamId)
-		go func() {
-			s.lastStreamChan <- stream
-		}()
-	}
-
-	// Do not block frame handler waiting for closure
-	go s.shutdown(s.goAwayTimeout)
-
-	return nil
-}
-
-func (s *Connection) remoteStreamFinish(stream *Stream) {
-	stream.closeRemoteChannels()
-
-	stream.finishLock.Lock()
-	if stream.finished {
-		// Stream is fully closed, cleanup
-		s.removeStream(stream)
-	}
-	stream.finishLock.Unlock()
-}
-
-// CreateStream creates a new spdy stream using the parameters for
-// creating the stream frame.  The stream frame will be sent upon
-// calling this function, however this function does not wait for
-// the reply frame.  If waiting for the reply is desired, use
-// the stream Wait or WaitTimeout function on the stream returned
-// by this function.
-func (s *Connection) CreateStream(headers http.Header, parent *Stream, fin bool) (*Stream, error) {
-	// MUST synchronize stream creation (all the way to writing the frame)
-	// as stream IDs **MUST** increase monotonically.
-	s.nextIdLock.Lock()
-	defer s.nextIdLock.Unlock()
-
-	streamId := s.getNextStreamId()
-	if streamId == 0 {
-		return nil, fmt.Errorf("Unable to get new stream id")
-	}
-
-	stream := &Stream{
-		streamId:   streamId,
-		parent:     parent,
-		conn:       s,
-		startChan:  make(chan error),
-		headers:    headers,
-		dataChan:   make(chan []byte),
-		headerChan: make(chan http.Header),
-		closeChan:  make(chan bool),
-	}
-
-	debugMessage("(%p) (%p) Create stream", s, stream)
-
-	s.addStream(stream)
-
-	return stream, s.sendStream(stream, fin)
-}
-
-func (s *Connection) shutdown(closeTimeout time.Duration) {
-	// TODO Ensure this isn't called multiple times
-	s.shutdownLock.Lock()
-	if s.hasShutdown {
-		s.shutdownLock.Unlock()
-		return
-	}
-	s.hasShutdown = true
-	s.shutdownLock.Unlock()
-
-	var timeout <-chan time.Time
-	if closeTimeout > time.Duration(0) {
-		timeout = time.After(closeTimeout)
-	}
-	streamsClosed := make(chan bool)
-
-	go func() {
-		s.streamCond.L.Lock()
-		for len(s.streams) > 0 {
-			debugMessage("Streams opened: %d, %#v", len(s.streams), s.streams)
-			s.streamCond.Wait()
-		}
-		s.streamCond.L.Unlock()
-		close(streamsClosed)
-	}()
-
-	var err error
-	select {
-	case <-streamsClosed:
-		// No active streams, close should be safe
-		err = s.conn.Close()
-	case <-timeout:
-		// Force ungraceful close
-		err = s.conn.Close()
-		// Wait for cleanup to clear active streams
-		<-streamsClosed
-	}
-
-	if err != nil {
-		duration := 10 * time.Minute
-		time.AfterFunc(duration, func() {
-			select {
-			case err, ok := <-s.shutdownChan:
-				if ok {
-					fmt.Errorf("Unhandled close error after %s: %s", duration, err)
-				}
-			default:
-			}
-		})
-		s.shutdownChan <- err
-	}
-	close(s.shutdownChan)
-
-	return
-}
-
-// Closes spdy connection by sending GoAway frame and initiating shutdown
-func (s *Connection) Close() error {
-	s.receiveIdLock.Lock()
-	if s.goneAway {
-		s.receiveIdLock.Unlock()
-		return nil
-	}
-	s.goneAway = true
-	s.receiveIdLock.Unlock()
-
-	var lastStreamId spdy.StreamId
-	if s.receivedStreamId > 2 {
-		lastStreamId = s.receivedStreamId - 2
-	}
-
-	goAwayFrame := &spdy.GoAwayFrame{
-		LastGoodStreamId: lastStreamId,
-		Status:           spdy.GoAwayOK,
-	}
-
-	err := s.framer.WriteFrame(goAwayFrame)
-	if err != nil {
-		return err
-	}
-
-	go s.shutdown(s.closeTimeout)
-
-	return nil
-}
-
-// CloseWait closes the connection and waits for shutdown
-// to finish.  Note the underlying network Connection
-// is not closed until the end of shutdown.
-func (s *Connection) CloseWait() error {
-	closeErr := s.Close()
-	if closeErr != nil {
-		return closeErr
-	}
-	shutdownErr, ok := <-s.shutdownChan
-	if ok {
-		return shutdownErr
-	}
-	return nil
-}
-
-// Wait waits for the connection to finish shutdown or for
-// the wait timeout duration to expire.  This needs to be
-// called either after Close has been called or the GOAWAYFRAME
-// has been received.  If the wait timeout is 0, this function
-// will block until shutdown finishes.  If wait is never called
-// and a shutdown error occurs, that error will be logged as an
-// unhandled error.
-func (s *Connection) Wait(waitTimeout time.Duration) error {
-	var timeout <-chan time.Time
-	if waitTimeout > time.Duration(0) {
-		timeout = time.After(waitTimeout)
-	}
-
-	select {
-	case err, ok := <-s.shutdownChan:
-		if ok {
-			return err
-		}
-	case <-timeout:
-		return ErrTimeout
-	}
-	return nil
-}
-
-// NotifyClose registers a channel to be called when the remote
-// peer inidicates connection closure.  The last stream to be
-// received by the remote will be sent on the channel.  The notify
-// timeout will determine the duration between go away received
-// and the connection being closed.
-func (s *Connection) NotifyClose(c chan<- *Stream, timeout time.Duration) {
-	s.goAwayTimeout = timeout
-	s.lastStreamChan = c
-}
-
-// SetCloseTimeout sets the amount of time close will wait for
-// streams to finish before terminating the underlying network
-// connection.  Setting the timeout to 0 will cause close to
-// wait forever, which is the default.
-func (s *Connection) SetCloseTimeout(timeout time.Duration) {
-	s.closeTimeout = timeout
-}
-
-// SetIdleTimeout sets the amount of time the connection may sit idle before
-// it is forcefully terminated.
-func (s *Connection) SetIdleTimeout(timeout time.Duration) {
-	s.framer.setIdleTimeout(timeout)
-}
-
-func (s *Connection) sendHeaders(headers http.Header, stream *Stream, fin bool) error {
-	var flags spdy.ControlFlags
-	if fin {
-		flags = spdy.ControlFlagFin
-	}
-
-	headerFrame := &spdy.HeadersFrame{
-		StreamId: stream.streamId,
-		Headers:  headers,
-		CFHeader: spdy.ControlFrameHeader{Flags: flags},
-	}
-
-	return s.framer.WriteFrame(headerFrame)
-}
-
-func (s *Connection) sendReply(headers http.Header, stream *Stream, fin bool) error {
-	var flags spdy.ControlFlags
-	if fin {
-		flags = spdy.ControlFlagFin
-	}
-
-	replyFrame := &spdy.SynReplyFrame{
-		StreamId: stream.streamId,
-		Headers:  headers,
-		CFHeader: spdy.ControlFrameHeader{Flags: flags},
-	}
-
-	return s.framer.WriteFrame(replyFrame)
-}
-
-func (s *Connection) sendResetFrame(status spdy.RstStreamStatus, streamId spdy.StreamId) error {
-	resetFrame := &spdy.RstStreamFrame{
-		StreamId: streamId,
-		Status:   status,
-	}
-
-	return s.framer.WriteFrame(resetFrame)
-}
-
-func (s *Connection) sendReset(status spdy.RstStreamStatus, stream *Stream) error {
-	return s.sendResetFrame(status, stream.streamId)
-}
-
-func (s *Connection) sendStream(stream *Stream, fin bool) error {
-	var flags spdy.ControlFlags
-	if fin {
-		flags = spdy.ControlFlagFin
-		stream.finished = true
-	}
-
-	var parentId spdy.StreamId
-	if stream.parent != nil {
-		parentId = stream.parent.streamId
-	}
-
-	streamFrame := &spdy.SynStreamFrame{
-		StreamId:             spdy.StreamId(stream.streamId),
-		AssociatedToStreamId: spdy.StreamId(parentId),
-		Headers:              stream.headers,
-		CFHeader:             spdy.ControlFrameHeader{Flags: flags},
-	}
-
-	return s.framer.WriteFrame(streamFrame)
-}
-
-// getNextStreamId returns the next sequential id
-// every call should produce a unique value or an error
-func (s *Connection) getNextStreamId() spdy.StreamId {
-	sid := s.nextStreamId
-	if sid > 0x7fffffff {
-		return 0
-	}
-	s.nextStreamId = s.nextStreamId + 2
-	return sid
-}
-
-// PeekNextStreamId returns the next sequential id and keeps the next id untouched
-func (s *Connection) PeekNextStreamId() spdy.StreamId {
-	sid := s.nextStreamId
-	return sid
-}
-
-func (s *Connection) validateStreamId(rid spdy.StreamId) error {
-	if rid > 0x7fffffff || rid < s.receivedStreamId {
-		return ErrInvalidStreamId
-	}
-	s.receivedStreamId = rid + 2
-	return nil
-}
-
-func (s *Connection) addStream(stream *Stream) {
-	s.streamCond.L.Lock()
-	s.streams[stream.streamId] = stream
-	debugMessage("(%p) (%p) Stream added, broadcasting: %d", s, stream, stream.streamId)
-	s.streamCond.Broadcast()
-	s.streamCond.L.Unlock()
-}
-
-func (s *Connection) removeStream(stream *Stream) {
-	s.streamCond.L.Lock()
-	delete(s.streams, stream.streamId)
-	debugMessage("(%p) (%p) Stream removed, broadcasting: %d", s, stream, stream.streamId)
-	s.streamCond.Broadcast()
-	s.streamCond.L.Unlock()
-}
-
-func (s *Connection) getStream(streamId spdy.StreamId) (stream *Stream, ok bool) {
-	s.streamLock.RLock()
-	stream, ok = s.streams[streamId]
-	s.streamLock.RUnlock()
-	return
-}
-
-// FindStream looks up the given stream id and either waits for the
-// stream to be found or returns nil if the stream id is no longer
-// valid.
-func (s *Connection) FindStream(streamId uint32) *Stream {
-	var stream *Stream
-	var ok bool
-	s.streamCond.L.Lock()
-	stream, ok = s.streams[spdy.StreamId(streamId)]
-	debugMessage("(%p) Found stream %d? %t", s, spdy.StreamId(streamId), ok)
-	for !ok && streamId >= uint32(s.receivedStreamId) {
-		s.streamCond.Wait()
-		stream, ok = s.streams[spdy.StreamId(streamId)]
-	}
-	s.streamCond.L.Unlock()
-	return stream
-}
-
-func (s *Connection) CloseChan() <-chan bool {
-	return s.closeChan
-}

vendor/github.com/docker/spdystream/handlers.go

@@ -1,38 +0,0 @@
-package spdystream
-
-import (
-	"io"
-	"net/http"
-)
-
-// MirrorStreamHandler mirrors all streams.
-func MirrorStreamHandler(stream *Stream) {
-	replyErr := stream.SendReply(http.Header{}, false)
-	if replyErr != nil {
-		return
-	}
-
-	go func() {
-		io.Copy(stream, stream)
-		stream.Close()
-	}()
-	go func() {
-		for {
-			header, receiveErr := stream.ReceiveHeader()
-			if receiveErr != nil {
-				return
-			}
-			sendErr := stream.SendHeader(header, false)
-			if sendErr != nil {
-				return
-			}
-		}
-	}()
-}
-
-// NoopStreamHandler does nothing when stream connects, most
-// likely used with RejectAuthHandler which will not allow any
-// streams to make it to the stream handler.
-func NoOpStreamHandler(stream *Stream) {
-	stream.SendReply(http.Header{}, false)
-}

vendor/github.com/docker/spdystream/priority.go

@@ -1,98 +0,0 @@
-package spdystream
-
-import (
-	"container/heap"
-	"sync"
-
-	"github.com/docker/spdystream/spdy"
-)
-
-type prioritizedFrame struct {
-	frame    spdy.Frame
-	priority uint8
-	insertId uint64
-}
-
-type frameQueue []*prioritizedFrame
-
-func (fq frameQueue) Len() int {
-	return len(fq)
-}
-
-func (fq frameQueue) Less(i, j int) bool {
-	if fq[i].priority == fq[j].priority {
-		return fq[i].insertId < fq[j].insertId
-	}
-	return fq[i].priority < fq[j].priority
-}
-
-func (fq frameQueue) Swap(i, j int) {
-	fq[i], fq[j] = fq[j], fq[i]
-}
-
-func (fq *frameQueue) Push(x interface{}) {
-	*fq = append(*fq, x.(*prioritizedFrame))
-}
-
-func (fq *frameQueue) Pop() interface{} {
-	old := *fq
-	n := len(old)
-	*fq = old[0 : n-1]
-	return old[n-1]
-}
-
-type PriorityFrameQueue struct {
-	queue        *frameQueue
-	c            *sync.Cond
-	size         int
-	nextInsertId uint64
-	drain        bool
-}
-
-func NewPriorityFrameQueue(size int) *PriorityFrameQueue {
-	queue := make(frameQueue, 0, size)
-	heap.Init(&queue)
-
-	return &PriorityFrameQueue{
-		queue: &queue,
-		size:  size,
-		c:     sync.NewCond(&sync.Mutex{}),
-	}
-}
-
-func (q *PriorityFrameQueue) Push(frame spdy.Frame, priority uint8) {
-	q.c.L.Lock()
-	defer q.c.L.Unlock()
-	for q.queue.Len() >= q.size {
-		q.c.Wait()
-	}
-	pFrame := &prioritizedFrame{
-		frame:    frame,
-		priority: priority,
-		insertId: q.nextInsertId,
-	}
-	q.nextInsertId = q.nextInsertId + 1
-	heap.Push(q.queue, pFrame)
-	q.c.Signal()
-}
-
-func (q *PriorityFrameQueue) Pop() spdy.Frame {
-	q.c.L.Lock()
-	defer q.c.L.Unlock()
-	for q.queue.Len() == 0 {
-		if q.drain {
-			return nil
-		}
-		q.c.Wait()
-	}
-	frame := heap.Pop(q.queue).(*prioritizedFrame).frame
-	q.c.Signal()
-	return frame
-}
-
-func (q *PriorityFrameQueue) Drain() {
-	q.c.L.Lock()
-	defer q.c.L.Unlock()
-	q.drain = true
-	q.c.Broadcast()
-}

vendor/github.com/docker/spdystream/spdy/dictionary.go

@@ -1,187 +0,0 @@
-// Copyright 2013 The Go Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-package spdy
-
-// headerDictionary is the dictionary sent to the zlib compressor/decompressor.
-var headerDictionary = []byte{
-	0x00, 0x00, 0x00, 0x07, 0x6f, 0x70, 0x74, 0x69,
-	0x6f, 0x6e, 0x73, 0x00, 0x00, 0x00, 0x04, 0x68,
-	0x65, 0x61, 0x64, 0x00, 0x00, 0x00, 0x04, 0x70,
-	0x6f, 0x73, 0x74, 0x00, 0x00, 0x00, 0x03, 0x70,
-	0x75, 0x74, 0x00, 0x00, 0x00, 0x06, 0x64, 0x65,
-	0x6c, 0x65, 0x74, 0x65, 0x00, 0x00, 0x00, 0x05,
-	0x74, 0x72, 0x61, 0x63, 0x65, 0x00, 0x00, 0x00,
-	0x06, 0x61, 0x63, 0x63, 0x65, 0x70, 0x74, 0x00,
-	0x00, 0x00, 0x0e, 0x61, 0x63, 0x63, 0x65, 0x70,
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