oidc authentication: generate testdata and delete old test packages

Kubernetes-commit: 2d8cb9c4ad9a792ccfe5066f55e725ca50c77330
This commit is contained in:
Eric Chiang
2018-01-19 11:15:38 -08:00
committed by Kubernetes Publisher
parent 6c6051c8d6
commit 9c19758757

View File

@@ -1,200 +0,0 @@
/*
Copyright 2016 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 testing
import (
"bytes"
"crypto/rand"
"crypto/rsa"
"crypto/tls"
"crypto/x509"
"crypto/x509/pkix"
"encoding/json"
"encoding/pem"
"fmt"
"io/ioutil"
"math/big"
"net"
"net/http"
"net/http/httptest"
"net/url"
"os"
"path"
"path/filepath"
"testing"
"time"
"github.com/coreos/go-oidc/jose"
"github.com/coreos/go-oidc/key"
"github.com/coreos/go-oidc/oidc"
)
// NewOIDCProvider provides a bare minimum OIDC IdP Server useful for testing.
func NewOIDCProvider(t *testing.T, issuerPath string) *OIDCProvider {
privKey, err := key.GeneratePrivateKey()
if err != nil {
t.Fatalf("Cannot create OIDC Provider: %v", err)
return nil
}
op := &OIDCProvider{
Mux: http.NewServeMux(),
PrivKey: privKey,
issuerPath: issuerPath,
}
op.Mux.HandleFunc(path.Join(issuerPath, "/.well-known/openid-configuration"), op.handleConfig)
op.Mux.HandleFunc(path.Join(issuerPath, "/keys"), op.handleKeys)
return op
}
type OIDCProvider struct {
Mux *http.ServeMux
PCFG oidc.ProviderConfig
PrivKey *key.PrivateKey
issuerPath string
}
func (op *OIDCProvider) ServeTLSWithKeyPair(cert, key string) (*httptest.Server, error) {
srv := httptest.NewUnstartedServer(op.Mux)
srv.TLS = &tls.Config{Certificates: make([]tls.Certificate, 1)}
var err error
srv.TLS.Certificates[0], err = tls.LoadX509KeyPair(cert, key)
if err != nil {
return nil, fmt.Errorf("Cannot load cert/key pair: %v", err)
}
srv.StartTLS()
// The issuer's URL is extended by an optional path. This ensures that the plugin can
// handle issuers that use a non-root path for discovery (see kubernetes/kubernetes#29749).
srv.URL = srv.URL + op.issuerPath
u, err := url.Parse(srv.URL)
if err != nil {
return nil, err
}
pathFor := func(p string) *url.URL {
u2 := *u // Shallow copy.
u2.Path = path.Join(u2.Path, p)
return &u2
}
op.PCFG = oidc.ProviderConfig{
Issuer: u,
AuthEndpoint: pathFor("/auth"),
TokenEndpoint: pathFor("/token"),
KeysEndpoint: pathFor("/keys"),
ResponseTypesSupported: []string{"code"},
SubjectTypesSupported: []string{"public"},
IDTokenSigningAlgValues: []string{"RS256"},
}
return srv, nil
}
func (op *OIDCProvider) handleConfig(w http.ResponseWriter, req *http.Request) {
b, err := json.Marshal(&op.PCFG)
if err != nil {
http.Error(w, err.Error(), http.StatusInternalServerError)
return
}
w.Header().Set("Content-Type", "application/json")
w.Write(b)
}
func (op *OIDCProvider) handleKeys(w http.ResponseWriter, req *http.Request) {
keys := struct {
Keys []jose.JWK `json:"keys"`
}{
Keys: []jose.JWK{op.PrivKey.JWK()},
}
b, err := json.Marshal(keys)
if err != nil {
http.Error(w, err.Error(), http.StatusInternalServerError)
return
}
w.Header().Set("Cache-Control", fmt.Sprintf("public, max-age=%d", int(time.Hour.Seconds())))
w.Header().Set("Expires", time.Now().Add(time.Hour).Format(time.RFC1123))
w.Header().Set("Content-Type", "application/json")
w.Write(b)
}
// generateSelfSignedCert generates a self-signed cert/key pairs and writes to the certPath/keyPath.
// This method is mostly identical to crypto.GenerateSelfSignedCert except for the 'IsCA' and 'KeyUsage'
// in the certificate template. (Maybe we can merge these two methods).
func GenerateSelfSignedCert(t *testing.T, host, certPath, keyPath string) {
priv, err := rsa.GenerateKey(rand.Reader, 2048)
if err != nil {
t.Fatal(err)
}
template := x509.Certificate{
SerialNumber: big.NewInt(1),
Subject: pkix.Name{
CommonName: fmt.Sprintf("%s@%d", host, time.Now().Unix()),
},
NotBefore: time.Now(),
NotAfter: time.Now().Add(time.Hour * 24 * 365),
KeyUsage: x509.KeyUsageKeyEncipherment | x509.KeyUsageDigitalSignature | x509.KeyUsageCertSign,
ExtKeyUsage: []x509.ExtKeyUsage{x509.ExtKeyUsageServerAuth},
BasicConstraintsValid: true,
IsCA: true,
}
if ip := net.ParseIP(host); ip != nil {
template.IPAddresses = append(template.IPAddresses, ip)
} else {
template.DNSNames = append(template.DNSNames, host)
}
derBytes, err := x509.CreateCertificate(rand.Reader, &template, &template, &priv.PublicKey, priv)
if err != nil {
t.Fatal(err)
}
// Generate cert
certBuffer := bytes.Buffer{}
if err := pem.Encode(&certBuffer, &pem.Block{Type: "CERTIFICATE", Bytes: derBytes}); err != nil {
t.Fatal(err)
}
// Generate key
keyBuffer := bytes.Buffer{}
if err := pem.Encode(&keyBuffer, &pem.Block{Type: "RSA PRIVATE KEY", Bytes: x509.MarshalPKCS1PrivateKey(priv)}); err != nil {
t.Fatal(err)
}
// Write cert
if err := os.MkdirAll(filepath.Dir(certPath), os.FileMode(0755)); err != nil {
t.Fatal(err)
}
if err := ioutil.WriteFile(certPath, certBuffer.Bytes(), os.FileMode(0644)); err != nil {
t.Fatal(err)
}
// Write key
if err := os.MkdirAll(filepath.Dir(keyPath), os.FileMode(0755)); err != nil {
t.Fatal(err)
}
if err := ioutil.WriteFile(keyPath, keyBuffer.Bytes(), os.FileMode(0600)); err != nil {
t.Fatal(err)
}
}