skopeo/integration/signing_test.go

118 lines
3.1 KiB
Go

package main
import (
"errors"
"io"
"io/ioutil"
"os"
"os/exec"
"strings"
"github.com/go-check/check"
"github.com/projectatomic/skopeo/signature/fixtures"
)
const (
gpgBinary = "gpg"
)
func init() {
check.Suite(&SigningSuite{})
}
type SigningSuite struct {
gpgHome string
fingerprint string
}
func findFingerprint(lineBytes []byte) (string, error) {
lines := string(lineBytes)
for _, line := range strings.Split(lines, "\n") {
fields := strings.Split(line, ":")
if len(fields) >= 10 && fields[0] == "fpr" {
return fields[9], nil
}
}
return "", errors.New("No fingerprint found")
}
// ConsumeAndLogOutput takes (f, err) from an exec.*Pipe(), and causes all output to it to be logged to c.
func ConsumeAndLogOutput(c *check.C, id string, f io.ReadCloser, err error) {
c.Assert(err, check.IsNil)
go func() {
defer func() {
f.Close()
c.Logf("Output %s: Closed", id)
}()
buf := make([]byte, 0, 1024)
for {
c.Logf("Output %s: waiting", id)
n, err := f.Read(buf)
c.Logf("Output %s: got %d,%#v: %#v", id, n, err, buf[:n])
if n <= 0 {
break
}
}
}()
}
func (s *SigningSuite) SetUpTest(c *check.C) {
_, err := exec.LookPath(skopeoBinary)
c.Assert(err, check.IsNil)
_, err = exec.LookPath(skopeoBinary)
c.Assert(err, check.IsNil)
s.gpgHome, err = ioutil.TempDir("", "skopeo-gpg")
c.Assert(err, check.IsNil)
os.Setenv("GNUPGHOME", s.gpgHome)
cmd := exec.Command(gpgBinary, "--homedir", s.gpgHome, "--batch", "--gen-key")
stdin, err := cmd.StdinPipe()
c.Assert(err, check.IsNil)
stdout, err := cmd.StdoutPipe()
ConsumeAndLogOutput(c, "gen-key stdout", stdout, err)
stderr, err := cmd.StderrPipe()
ConsumeAndLogOutput(c, "gen-key stderr", stderr, err)
err = cmd.Start()
c.Assert(err, check.IsNil)
_, err = stdin.Write([]byte("Key-Type: RSA\nName-Real: Testing user\n%commit\n"))
c.Assert(err, check.IsNil)
err = stdin.Close()
c.Assert(err, check.IsNil)
err = cmd.Wait()
c.Assert(err, check.IsNil)
lines, err := exec.Command(gpgBinary, "--homedir", s.gpgHome, "--with-colons", "--no-permission-warning", "--fingerprint").Output()
c.Assert(err, check.IsNil)
s.fingerprint, err = findFingerprint(lines)
c.Assert(err, check.IsNil)
}
func (s *SigningSuite) TearDownTest(c *check.C) {
if s.gpgHome != "" {
err := os.RemoveAll(s.gpgHome)
c.Assert(err, check.IsNil)
}
s.gpgHome = ""
os.Unsetenv("GNUPGHOME")
}
func (s *SigningSuite) TestSignVerifySmoke(c *check.C) {
manifestPath := "../signature/fixtures/image.manifest.json"
dockerReference := "testing/smoketest"
sigOutput, err := ioutil.TempFile("", "sig")
c.Assert(err, check.IsNil)
defer os.Remove(sigOutput.Name())
out, err := exec.Command(skopeoBinary, "standalone-sign", "-o", sigOutput.Name(),
manifestPath, dockerReference, s.fingerprint).CombinedOutput()
c.Assert(err, check.IsNil, check.Commentf("%s", out))
c.Assert(string(out), check.Equals, "")
out, err = exec.Command(skopeoBinary, "standalone-verify", manifestPath,
dockerReference, s.fingerprint, sigOutput.Name()).CombinedOutput()
c.Assert(err, check.IsNil, check.Commentf("%s", out))
c.Assert(string(out), check.Equals, "Signature verified, digest "+fixtures.TestImageManifestDigest+"\n")
}