137 lines
2.7 KiB
Go
137 lines
2.7 KiB
Go
package schema1
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import (
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"bytes"
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"encoding/json"
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"reflect"
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"testing"
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"github.com/docker/libtrust"
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)
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type testEnv struct {
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name, tag string
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invalidSigned *SignedManifest
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signed *SignedManifest
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pk libtrust.PrivateKey
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}
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func TestManifestMarshaling(t *testing.T) {
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env := genEnv(t)
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// Check that the all field is the same as json.MarshalIndent with these
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// parameters.
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p, err := json.MarshalIndent(env.signed, "", " ")
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if err != nil {
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t.Fatalf("error marshaling manifest: %v", err)
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}
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if !bytes.Equal(p, env.signed.all) {
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t.Fatalf("manifest bytes not equal: %q != %q", string(env.signed.all), string(p))
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}
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}
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func TestManifestUnmarshaling(t *testing.T) {
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env := genEnv(t)
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var signed SignedManifest
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if err := json.Unmarshal(env.signed.all, &signed); err != nil {
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t.Fatalf("error unmarshaling signed manifest: %v", err)
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}
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if !reflect.DeepEqual(&signed, env.signed) {
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t.Fatalf("manifests are different after unmarshaling: %v != %v", signed, env.signed)
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}
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}
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func TestManifestVerification(t *testing.T) {
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env := genEnv(t)
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publicKeys, err := Verify(env.signed)
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if err != nil {
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t.Fatalf("error verifying manifest: %v", err)
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}
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if len(publicKeys) == 0 {
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t.Fatalf("no public keys found in signature")
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}
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var found bool
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publicKey := env.pk.PublicKey()
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// ensure that one of the extracted public keys matches the private key.
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for _, candidate := range publicKeys {
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if candidate.KeyID() == publicKey.KeyID() {
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found = true
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break
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}
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}
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if !found {
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t.Fatalf("expected public key, %v, not found in verified keys: %v", publicKey, publicKeys)
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}
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// Check that an invalid manifest fails verification
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_, err = Verify(env.invalidSigned)
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if err != nil {
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t.Fatalf("Invalid manifest should not pass Verify()")
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}
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}
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func genEnv(t *testing.T) *testEnv {
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pk, err := libtrust.GenerateECP256PrivateKey()
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if err != nil {
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t.Fatalf("error generating test key: %v", err)
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}
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name, tag := "foo/bar", "test"
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invalid := Manifest{
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Versioned: SchemaVersion,
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Name: name,
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Tag: tag,
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FSLayers: []FSLayer{
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{
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BlobSum: "asdf",
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},
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{
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BlobSum: "qwer",
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},
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},
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}
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valid := Manifest{
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Versioned: SchemaVersion,
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Name: name,
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Tag: tag,
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FSLayers: []FSLayer{
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{
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BlobSum: "asdf",
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},
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},
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History: []History{
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{
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V1Compatibility: "",
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},
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},
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}
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sm, err := Sign(&valid, pk)
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if err != nil {
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t.Fatalf("error signing manifest: %v", err)
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}
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invalidSigned, err := Sign(&invalid, pk)
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if err != nil {
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t.Fatalf("error signing manifest: %v", err)
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}
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return &testEnv{
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name: name,
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tag: tag,
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invalidSigned: invalidSigned,
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signed: sm,
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pk: pk,
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}
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}
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