cri-o/vendor/github.com/containers/image/signature/docker_test.go
Antonio Murdaca a0071de607
read image config from docker v2s1 manifests
Signed-off-by: Antonio Murdaca <runcom@redhat.com>
2017-04-04 17:52:37 +02:00

108 lines
4.2 KiB
Go

package signature
import (
"io/ioutil"
"testing"
"github.com/stretchr/testify/assert"
"github.com/stretchr/testify/require"
)
func TestSignDockerManifest(t *testing.T) {
mech, err := newGPGSigningMechanismInDirectory(testGPGHomeDirectory)
require.NoError(t, err)
defer mech.Close()
if err := mech.SupportsSigning(); err != nil {
t.Skipf("Signing not supported: %v", err)
}
manifest, err := ioutil.ReadFile("fixtures/image.manifest.json")
require.NoError(t, err)
// Successful signing
signature, err := SignDockerManifest(manifest, TestImageSignatureReference, mech, TestKeyFingerprint)
require.NoError(t, err)
verified, err := VerifyDockerManifestSignature(signature, manifest, TestImageSignatureReference, mech, TestKeyFingerprint)
assert.NoError(t, err)
assert.Equal(t, TestImageSignatureReference, verified.DockerReference)
assert.Equal(t, TestImageManifestDigest, verified.DockerManifestDigest)
// Error computing Docker manifest
invalidManifest, err := ioutil.ReadFile("fixtures/v2s1-invalid-signatures.manifest.json")
require.NoError(t, err)
_, err = SignDockerManifest(invalidManifest, TestImageSignatureReference, mech, TestKeyFingerprint)
assert.Error(t, err)
// Error creating blob to sign
_, err = SignDockerManifest(manifest, "", mech, TestKeyFingerprint)
assert.Error(t, err)
// Error signing
_, err = SignDockerManifest(manifest, TestImageSignatureReference, mech, "this fingerprint doesn't exist")
assert.Error(t, err)
}
func TestVerifyDockerManifestSignature(t *testing.T) {
mech, err := newGPGSigningMechanismInDirectory(testGPGHomeDirectory)
require.NoError(t, err)
defer mech.Close()
manifest, err := ioutil.ReadFile("fixtures/image.manifest.json")
require.NoError(t, err)
signature, err := ioutil.ReadFile("fixtures/image.signature")
require.NoError(t, err)
// Successful verification
sig, err := VerifyDockerManifestSignature(signature, manifest, TestImageSignatureReference, mech, TestKeyFingerprint)
require.NoError(t, err)
assert.Equal(t, TestImageSignatureReference, sig.DockerReference)
assert.Equal(t, TestImageManifestDigest, sig.DockerManifestDigest)
// Verification using a different canonicalization of TestImageSignatureReference
sig, err = VerifyDockerManifestSignature(signature, manifest, "docker.io/"+TestImageSignatureReference, mech, TestKeyFingerprint)
require.NoError(t, err)
assert.Equal(t, TestImageSignatureReference, sig.DockerReference)
assert.Equal(t, TestImageManifestDigest, sig.DockerManifestDigest)
// For extra paranoia, test that we return nil data on error.
// Invalid docker reference on input
sig, err = VerifyDockerManifestSignature(signature, manifest, "UPPERCASEISINVALID", mech, TestKeyFingerprint)
assert.Error(t, err)
assert.Nil(t, sig)
// Error computing Docker manifest
invalidManifest, err := ioutil.ReadFile("fixtures/v2s1-invalid-signatures.manifest.json")
require.NoError(t, err)
sig, err = VerifyDockerManifestSignature(signature, invalidManifest, TestImageSignatureReference, mech, TestKeyFingerprint)
assert.Error(t, err)
assert.Nil(t, sig)
// Error verifying signature
corruptSignature, err := ioutil.ReadFile("fixtures/corrupt.signature")
sig, err = VerifyDockerManifestSignature(corruptSignature, manifest, TestImageSignatureReference, mech, TestKeyFingerprint)
assert.Error(t, err)
assert.Nil(t, sig)
// Key fingerprint mismatch
sig, err = VerifyDockerManifestSignature(signature, manifest, TestImageSignatureReference, mech, "unexpected fingerprint")
assert.Error(t, err)
assert.Nil(t, sig)
// Invalid reference in the signature
invalidReferenceSignature, err := ioutil.ReadFile("fixtures/invalid-reference.signature")
sig, err = VerifyDockerManifestSignature(invalidReferenceSignature, manifest, TestImageSignatureReference, mech, TestKeyFingerprint)
assert.Error(t, err)
assert.Nil(t, sig)
// Docker reference mismatch
sig, err = VerifyDockerManifestSignature(signature, manifest, "example.com/doesnt/match", mech, TestKeyFingerprint)
assert.Error(t, err)
assert.Nil(t, sig)
// Docker manifest digest mismatch
sig, err = VerifyDockerManifestSignature(signature, []byte("unexpected manifest"), TestImageSignatureReference, mech, TestKeyFingerprint)
assert.Error(t, err)
assert.Nil(t, sig)
}