102 lines
4 KiB
Go
102 lines
4 KiB
Go
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package signature
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import (
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"io/ioutil"
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"testing"
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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 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, TestImageSignatureReference, mech, TestKeyFingerprint)
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require.NoError(t, err)
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verified, err := VerifyDockerManifestSignature(signature, manifest, TestImageSignatureReference, mech, TestKeyFingerprint)
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assert.NoError(t, err)
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assert.Equal(t, TestImageSignatureReference, verified.DockerReference)
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assert.Equal(t, TestImageManifestDigest, verified.DockerManifestDigest)
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// Error computing Docker manifest
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invalidManifest, err := ioutil.ReadFile("fixtures/v2s1-invalid-signatures.manifest.json")
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require.NoError(t, err)
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_, err = SignDockerManifest(invalidManifest, TestImageSignatureReference, mech, TestKeyFingerprint)
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assert.Error(t, err)
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// Error creating blob to sign
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_, err = SignDockerManifest(manifest, "", mech, TestKeyFingerprint)
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assert.Error(t, err)
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// Error signing
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_, err = SignDockerManifest(manifest, 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, TestImageSignatureReference, mech, TestKeyFingerprint)
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require.NoError(t, err)
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assert.Equal(t, TestImageSignatureReference, sig.DockerReference)
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assert.Equal(t, TestImageManifestDigest, sig.DockerManifestDigest)
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// Verification using a different canonicalization of TestImageSignatureReference
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sig, err = VerifyDockerManifestSignature(signature, manifest, "docker.io/"+TestImageSignatureReference, mech, TestKeyFingerprint)
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require.NoError(t, err)
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assert.Equal(t, TestImageSignatureReference, sig.DockerReference)
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assert.Equal(t, TestImageManifestDigest, sig.DockerManifestDigest)
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// For extra paranoia, test that we return nil data on error.
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// Invalid docker reference on input
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sig, err = VerifyDockerManifestSignature(signature, manifest, "UPPERCASEISINVALID", mech, TestKeyFingerprint)
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assert.Error(t, err)
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assert.Nil(t, sig)
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// Error computing Docker manifest
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invalidManifest, err := ioutil.ReadFile("fixtures/v2s1-invalid-signatures.manifest.json")
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require.NoError(t, err)
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sig, err = VerifyDockerManifestSignature(signature, invalidManifest, TestImageSignatureReference, mech, TestKeyFingerprint)
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assert.Error(t, err)
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assert.Nil(t, sig)
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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, TestImageSignatureReference, mech, 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, TestImageSignatureReference, mech, "unexpected fingerprint")
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assert.Error(t, err)
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assert.Nil(t, sig)
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// Invalid reference in the signature
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invalidReferenceSignature, err := ioutil.ReadFile("fixtures/invalid-reference.signature")
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sig, err = VerifyDockerManifestSignature(invalidReferenceSignature, manifest, TestImageSignatureReference, mech, TestKeyFingerprint)
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assert.Error(t, err)
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assert.Nil(t, sig)
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// Docker reference mismatch
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sig, err = VerifyDockerManifestSignature(signature, manifest, "example.com/doesnt/match", mech, TestKeyFingerprint)
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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"), TestImageSignatureReference, mech, 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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