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78 lines
3.0 KiB
Go
78 lines
3.0 KiB
Go
package signature
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import (
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"io/ioutil"
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"testing"
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"github.com/projectatomic/skopeo/signature/fixtures"
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"github.com/stretchr/testify/assert"
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"github.com/stretchr/testify/require"
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)
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func TestDockerManifestDigest(t *testing.T) {
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manifest, err := ioutil.ReadFile("fixtures/image.manifest.json")
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require.NoError(t, err)
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digest := dockerManifestDigest(manifest)
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assert.Equal(t, fixtures.TestImageManifestDigest, digest)
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digest = dockerManifestDigest([]byte{})
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assert.Equal(t, "sha256:e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855", digest)
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}
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func TestSignDockerManifest(t *testing.T) {
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mech, err := newGPGSigningMechanismInDirectory(testGPGHomeDirectory)
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require.NoError(t, err)
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manifest, err := ioutil.ReadFile("fixtures/image.manifest.json")
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require.NoError(t, err)
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// Successful signing
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signature, err := SignDockerManifest(manifest, fixtures.TestImageSignatureReference, mech, fixtures.TestKeyFingerprint)
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require.NoError(t, err)
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verified, err := VerifyDockerManifestSignature(signature, manifest, fixtures.TestImageSignatureReference, mech, fixtures.TestKeyFingerprint)
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assert.NoError(t, err)
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assert.Equal(t, fixtures.TestImageSignatureReference, verified.DockerReference)
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assert.Equal(t, fixtures.TestImageManifestDigest, verified.DockerManifestDigest)
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// Error creating blob to sign
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_, err = SignDockerManifest(manifest, "", mech, fixtures.TestKeyFingerprint)
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assert.Error(t, err)
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// Error signing
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_, err = SignDockerManifest(manifest, fixtures.TestImageSignatureReference, mech, "this fingerprint doesn't exist")
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assert.Error(t, err)
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}
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func TestVerifyDockerManifestSignature(t *testing.T) {
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mech, err := newGPGSigningMechanismInDirectory(testGPGHomeDirectory)
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require.NoError(t, err)
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manifest, err := ioutil.ReadFile("fixtures/image.manifest.json")
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require.NoError(t, err)
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signature, err := ioutil.ReadFile("fixtures/image.signature")
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require.NoError(t, err)
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// Successful verification
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sig, err := VerifyDockerManifestSignature(signature, manifest, fixtures.TestImageSignatureReference, mech, fixtures.TestKeyFingerprint)
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require.NoError(t, err)
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assert.Equal(t, fixtures.TestImageSignatureReference, sig.DockerReference)
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assert.Equal(t, fixtures.TestImageManifestDigest, sig.DockerManifestDigest)
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// For extra paranoia, test that we return nil data on error.
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// Error verifying signature
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corruptSignature, err := ioutil.ReadFile("fixtures/corrupt.signature")
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sig, err = VerifyDockerManifestSignature(corruptSignature, manifest, fixtures.TestImageSignatureReference, mech, fixtures.TestKeyFingerprint)
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assert.Error(t, err)
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assert.Nil(t, sig)
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// Key fingerprint mismatch
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sig, err = VerifyDockerManifestSignature(signature, manifest, fixtures.TestImageSignatureReference, mech, "unexpected fingerprint")
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assert.Error(t, err)
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assert.Nil(t, sig)
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// Docker manifest digest mismatch
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sig, err = VerifyDockerManifestSignature(signature, []byte("unexpected manifest"), fixtures.TestImageSignatureReference, mech, fixtures.TestKeyFingerprint)
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assert.Error(t, err)
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assert.Nil(t, sig)
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}
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