func main() {
// Generate client key.
clientKey, err := libtrust.GenerateECP256PrivateKey()
if err != nil {
log.Fatal(err)
}
// Add a comment for the client key.
clientKey.AddExtendedField("comment", "TLS Demo Client")
// Save the client key, public and private versions.
err = libtrust.SaveKey("client_data/private_key.pem", clientKey)
if err != nil {
log.Fatal(err)
}
err = libtrust.SavePublicKey("client_data/public_key.pem", clientKey.PublicKey())
if err != nil {
log.Fatal(err)
}
// Generate server key.
serverKey, err := libtrust.GenerateECP256PrivateKey()
if err != nil {
log.Fatal(err)
}
// Set the list of addresses to use for the server.
serverKey.AddExtendedField("hosts", []string{"localhost", "docker.example.com"})
// Save the server key, public and private versions.
err = libtrust.SaveKey("server_data/private_key.pem", serverKey)
if err != nil {
log.Fatal(err)
}
err = libtrust.SavePublicKey("server_data/public_key.pem", serverKey.PublicKey())
if err != nil {
log.Fatal(err)
}
// Generate Authorized Keys file for server.
err = libtrust.AddKeySetFile("server_data/trusted_clients.pem", clientKey.PublicKey())
if err != nil {
log.Fatal(err)
}
// Generate Known Host Keys file for client.
err = libtrust.AddKeySetFile("client_data/trusted_hosts.pem", serverKey.PublicKey())
if err != nil {
log.Fatal(err)
}
}
func makeSigningKeyWithChain(rootKey libtrust.PrivateKey, depth int) (libtrust.PrivateKey, error) {
if depth == 0 {
// Don't need to build a chain.
return rootKey, nil
}
var (
x5c = make([]string, depth)
parentKey = rootKey
key libtrust.PrivateKey
cert *x509.Certificate
err error
)
for depth > 0 {
if key, err = libtrust.GenerateECP256PrivateKey(); err != nil {
return nil, err
}
if cert, err = libtrust.GenerateCACert(parentKey, key); err != nil {
return nil, err
}
depth--
x5c[depth] = base64.StdEncoding.EncodeToString(cert.Raw)
parentKey = key
}
key.AddExtendedField("x5c", x5c)
return key, nil
}
func newTestEnvWithConfig(t *testing.T, config *configuration.Configuration) *testEnv {
ctx := context.Background()
app := NewApp(ctx, *config)
server := httptest.NewServer(handlers.CombinedLoggingHandler(os.Stderr, app))
builder, err := v2.NewURLBuilderFromString(server.URL + config.HTTP.Prefix)
if err != nil {
t.Fatalf("error creating url builder: %v", err)
}
pk, err := libtrust.GenerateECP256PrivateKey()
if err != nil {
t.Fatalf("unexpected error generating private key: %v", err)
}
return &testEnv{
pk: pk,
ctx: ctx,
config: *config,
app: app,
server: server,
builder: builder,
}
}
func generateTrustChain(t *testing.T, chainLen int) (libtrust.PrivateKey, *x509.CertPool, []*x509.Certificate) {
caKey, err := libtrust.GenerateECP256PrivateKey()
if err != nil {
t.Fatalf("Error generating key: %s", err)
}
ca, err := testutil.GenerateTrustCA(caKey.CryptoPublicKey(), caKey.CryptoPrivateKey())
if err != nil {
t.Fatalf("Error generating ca: %s", err)
}
parent := ca
parentKey := caKey
chain := make([]*x509.Certificate, chainLen)
for i := chainLen - 1; i > 0; i-- {
intermediatekey, err := libtrust.GenerateECP256PrivateKey()
if err != nil {
t.Fatalf("Error generate key: %s", err)
}
chain[i], err = testutil.GenerateIntermediate(intermediatekey.CryptoPublicKey(), parentKey.CryptoPrivateKey(), parent)
if err != nil {
t.Fatalf("Error generating intermdiate certificate: %s", err)
}
parent = chain[i]
parentKey = intermediatekey
}
trustKey, err := libtrust.GenerateECP256PrivateKey()
if err != nil {
t.Fatalf("Error generate key: %s", err)
}
chain[0], err = testutil.GenerateTrustCert(trustKey.CryptoPublicKey(), parentKey.CryptoPrivateKey(), parent)
if err != nil {
t.Fatalf("Error generate trust cert: %s", err)
}
caPool := x509.NewCertPool()
caPool.AddCert(ca)
return trustKey, caPool, chain
}
func makeRootKeys(numKeys int) ([]libtrust.PrivateKey, error) {
keys := make([]libtrust.PrivateKey, 0, numKeys)
for i := 0; i < numKeys; i++ {
key, err := libtrust.GenerateECP256PrivateKey()
if err != nil {
return nil, err
}
keys = append(keys, key)
}
return keys, nil
}
func createTestKeysAndGrants(count int) ([]*Grant, []libtrust.PrivateKey) {
grants := make([]*Grant, count)
keys := make([]libtrust.PrivateKey, count)
for i := 0; i < count; i++ {
pk, err := libtrust.GenerateECP256PrivateKey()
if err != nil {
panic(err)
}
grant := &Grant{
Subject: fmt.Sprintf("/user-%d", i+1),
Permission: 0x0f,
Grantee: pk.KeyID(),
}
keys[i] = pk
grants[i] = grant
}
return grants, keys
}
func createTestEnv(t *testing.T, fn testSinkFn) Listener {
pk, err := libtrust.GenerateECP256PrivateKey()
if err != nil {
t.Fatalf("error generating private key: %v", err)
}
sm, err = manifest.Sign(&m, pk)
if err != nil {
t.Fatalf("error signing manifest: %v", err)
}
payload, err = sm.Payload()
if err != nil {
t.Fatalf("error getting manifest payload: %v", err)
}
dgst, err = digest.FromBytes(payload)
if err != nil {
t.Fatalf("error digesting manifest payload: %v", err)
}
return NewBridge(ub, source, actor, request, fn)
}
func TestManifestStorage(t *testing.T) {
env := newManifestStoreTestEnv(t, "foo/bar", "thetag")
ctx := context.Background()
ms, err := env.repository.Manifests(ctx)
if err != nil {
t.Fatal(err)
}
exists, err := ms.ExistsByTag(env.tag)
if err != nil {
t.Fatalf("unexpected error checking manifest existence: %v", err)
}
if exists {
t.Fatalf("manifest should not exist")
}
if _, err := ms.GetByTag(env.tag); true {
switch err.(type) {
case distribution.ErrManifestUnknown:
break
default:
t.Fatalf("expected manifest unknown error: %#v", err)
}
}
m := manifest.Manifest{
Versioned: manifest.Versioned{
SchemaVersion: 1,
},
Name: env.name,
Tag: env.tag,
}
// Build up some test layers and add them to the manifest, saving the
// readseekers for upload later.
testLayers := map[digest.Digest]io.ReadSeeker{}
for i := 0; i < 2; i++ {
rs, ds, err := testutil.CreateRandomTarFile()
if err != nil {
t.Fatalf("unexpected error generating test layer file")
}
dgst := digest.Digest(ds)
testLayers[digest.Digest(dgst)] = rs
m.FSLayers = append(m.FSLayers, manifest.FSLayer{
BlobSum: dgst,
})
}
pk, err := libtrust.GenerateECP256PrivateKey()
if err != nil {
t.Fatalf("unexpected error generating private key: %v", err)
}
sm, merr := manifest.Sign(&m, pk)
if merr != nil {
t.Fatalf("error signing manifest: %v", err)
}
err = ms.Put(sm)
if err == nil {
t.Fatalf("expected errors putting manifest with full verification")
}
switch err := err.(type) {
case distribution.ErrManifestVerification:
if len(err) != 2 {
t.Fatalf("expected 2 verification errors: %#v", err)
}
for _, err := range err {
if _, ok := err.(distribution.ErrManifestBlobUnknown); !ok {
t.Fatalf("unexpected error type: %v", err)
}
}
default:
t.Fatalf("unexpected error verifying manifest: %v", err)
}
// Now, upload the layers that were missing!
for dgst, rs := range testLayers {
wr, err := env.repository.Blobs(env.ctx).Create(env.ctx)
if err != nil {
t.Fatalf("unexpected error creating test upload: %v", err)
}
if _, err := io.Copy(wr, rs); err != nil {
t.Fatalf("unexpected error copying to upload: %v", err)
}
if _, err := wr.Commit(env.ctx, distribution.Descriptor{Digest: dgst}); err != nil {
t.Fatalf("unexpected error finishing upload: %v", err)
}
}
if err = ms.Put(sm); err != nil {
t.Fatalf("unexpected error putting manifest: %v", err)
}
exists, err = ms.ExistsByTag(env.tag)
if err != nil {
t.Fatalf("unexpected error checking manifest existence: %v", err)
}
if !exists {
t.Fatalf("manifest should exist")
}
fetchedManifest, err := ms.GetByTag(env.tag)
if err != nil {
t.Fatalf("unexpected error fetching manifest: %v", err)
}
if !reflect.DeepEqual(fetchedManifest, sm) {
t.Fatalf("fetched manifest not equal: %#v != %#v", fetchedManifest, sm)
}
fetchedJWS, err := libtrust.ParsePrettySignature(fetchedManifest.Raw, "signatures")
if err != nil {
t.Fatalf("unexpected error parsing jws: %v", err)
}
payload, err := fetchedJWS.Payload()
if err != nil {
t.Fatalf("unexpected error extracting payload: %v", err)
}
// Now that we have a payload, take a moment to check that the manifest is
// return by the payload digest.
dgst, err := digest.FromBytes(payload)
if err != nil {
t.Fatalf("error getting manifest digest: %v", err)
}
exists, err = ms.Exists(dgst)
if err != nil {
t.Fatalf("error checking manifest existence by digest: %v", err)
}
if !exists {
t.Fatalf("manifest %s should exist", dgst)
}
fetchedByDigest, err := ms.Get(dgst)
if err != nil {
t.Fatalf("unexpected error fetching manifest by digest: %v", err)
}
if !reflect.DeepEqual(fetchedByDigest, fetchedManifest) {
t.Fatalf("fetched manifest not equal: %#v != %#v", fetchedByDigest, fetchedManifest)
}
sigs, err := fetchedJWS.Signatures()
if err != nil {
t.Fatalf("unable to extract signatures: %v", err)
}
if len(sigs) != 1 {
t.Fatalf("unexpected number of signatures: %d != %d", len(sigs), 1)
}
// Grabs the tags and check that this tagged manifest is present
tags, err := ms.Tags()
if err != nil {
t.Fatalf("unexpected error fetching tags: %v", err)
}
if len(tags) != 1 {
t.Fatalf("unexpected tags returned: %v", tags)
}
if tags[0] != env.tag {
t.Fatalf("unexpected tag found in tags: %v != %v", tags, []string{env.tag})
}
// Now, push the same manifest with a different key
pk2, err := libtrust.GenerateECP256PrivateKey()
if err != nil {
t.Fatalf("unexpected error generating private key: %v", err)
}
sm2, err := manifest.Sign(&m, pk2)
if err != nil {
t.Fatalf("unexpected error signing manifest: %v", err)
}
jws2, err := libtrust.ParsePrettySignature(sm2.Raw, "signatures")
if err != nil {
t.Fatalf("error parsing signature: %v", err)
}
sigs2, err := jws2.Signatures()
if err != nil {
t.Fatalf("unable to extract signatures: %v", err)
}
if len(sigs2) != 1 {
t.Fatalf("unexpected number of signatures: %d != %d", len(sigs2), 1)
}
if err = ms.Put(sm2); err != nil {
t.Fatalf("unexpected error putting manifest: %v", err)
}
fetched, err := ms.GetByTag(env.tag)
if err != nil {
t.Fatalf("unexpected error fetching manifest: %v", err)
}
if _, err := manifest.Verify(fetched); err != nil {
t.Fatalf("unexpected error verifying manifest: %v", err)
}
// Assemble our payload and two signatures to get what we expect!
expectedJWS, err := libtrust.NewJSONSignature(payload, sigs[0], sigs2[0])
if err != nil {
t.Fatalf("unexpected error merging jws: %v", err)
}
expectedSigs, err := expectedJWS.Signatures()
if err != nil {
t.Fatalf("unexpected error getting expected signatures: %v", err)
}
receivedJWS, err := libtrust.ParsePrettySignature(fetched.Raw, "signatures")
if err != nil {
t.Fatalf("unexpected error parsing jws: %v", err)
}
receivedPayload, err := receivedJWS.Payload()
if err != nil {
t.Fatalf("unexpected error extracting received payload: %v", err)
}
if !bytes.Equal(receivedPayload, payload) {
t.Fatalf("payloads are not equal")
}
receivedSigs, err := receivedJWS.Signatures()
if err != nil {
t.Fatalf("error getting signatures: %v", err)
}
for i, sig := range receivedSigs {
if !bytes.Equal(sig, expectedSigs[i]) {
t.Fatalf("mismatched signatures from remote: %v != %v", string(sig), string(expectedSigs[i]))
}
}
// Test deleting manifests
err = ms.Delete(dgst)
if err != nil {
t.Fatalf("unexpected an error deleting manifest by digest: %v", err)
}
exists, err = ms.Exists(dgst)
if err != nil {
t.Fatalf("Error querying manifest existence")
}
if exists {
t.Errorf("Deleted manifest should not exist")
}
deletedManifest, err := ms.Get(dgst)
if err == nil {
t.Errorf("Unexpected success getting deleted manifest")
}
switch err.(type) {
case distribution.ErrManifestUnknownRevision:
break
default:
t.Errorf("Unexpected error getting deleted manifest: %s", reflect.ValueOf(err).Type())
}
if deletedManifest != nil {
t.Errorf("Deleted manifest get returned non-nil")
}
// Re-upload should restore manifest to a good state
err = ms.Put(sm)
if err != nil {
t.Errorf("Error re-uploading deleted manifest")
}
exists, err = ms.Exists(dgst)
if err != nil {
t.Fatalf("Error querying manifest existence")
}
if !exists {
t.Errorf("Restored manifest should exist")
}
deletedManifest, err = ms.Get(dgst)
if err != nil {
t.Errorf("Unexpected error getting manifest")
}
if deletedManifest == nil {
t.Errorf("Deleted manifest get returned non-nil")
}
r := NewRegistryWithDriver(ctx, env.driver, memory.NewInMemoryBlobDescriptorCacheProvider(), false)
repo, err := r.Repository(ctx, env.name)
if err != nil {
t.Fatalf("unexpected error getting repo: %v", err)
}
ms, err = repo.Manifests(ctx)
if err != nil {
t.Fatal(err)
}
err = ms.Delete(dgst)
if err == nil {
t.Errorf("Unexpected success deleting while disabled")
}
}
// checkExerciseRegistry takes the registry through all of its operations,
// carrying out generic checks.
func checkExerciseRepository(t *testing.T, repository distribution.Repository) {
// TODO(stevvooe): This would be a nice testutil function. Basically, it
// takes the registry through a common set of operations. This could be
// used to make cross-cutting updates by changing internals that affect
// update counts. Basically, it would make writing tests a lot easier.
ctx := context.Background()
tag := "thetag"
m := manifest.Manifest{
Versioned: manifest.Versioned{
SchemaVersion: 1,
},
Name: repository.Name(),
Tag: tag,
}
blobs := repository.Blobs(ctx)
for i := 0; i < 2; i++ {
rs, ds, err := testutil.CreateRandomTarFile()
if err != nil {
t.Fatalf("error creating test layer: %v", err)
}
dgst := digest.Digest(ds)
wr, err := blobs.Create(ctx)
if err != nil {
t.Fatalf("error creating layer upload: %v", err)
}
// Use the resumes, as well!
wr, err = blobs.Resume(ctx, wr.ID())
if err != nil {
t.Fatalf("error resuming layer upload: %v", err)
}
io.Copy(wr, rs)
if _, err := wr.Commit(ctx, distribution.Descriptor{Digest: dgst}); err != nil {
t.Fatalf("unexpected error finishing upload: %v", err)
}
m.FSLayers = append(m.FSLayers, manifest.FSLayer{
BlobSum: dgst,
})
// Then fetch the blobs
if rc, err := blobs.Open(ctx, dgst); err != nil {
t.Fatalf("error fetching layer: %v", err)
} else {
defer rc.Close()
}
}
pk, err := libtrust.GenerateECP256PrivateKey()
if err != nil {
t.Fatalf("unexpected error generating key: %v", err)
}
sm, err := manifest.Sign(&m, pk)
if err != nil {
t.Fatalf("unexpected error signing manifest: %v", err)
}
manifests, err := repository.Manifests(ctx)
if err != nil {
t.Fatal(err.Error())
}
if err = manifests.Put(sm); err != nil {
t.Fatalf("unexpected error putting the manifest: %v", err)
}
p, err := sm.Payload()
if err != nil {
t.Fatalf("unexpected error getting manifest payload: %v", err)
}
dgst, err := digest.FromBytes(p)
if err != nil {
t.Fatalf("unexpected error digesting manifest payload: %v", err)
}
fetchedByManifest, err := manifests.Get(dgst)
if err != nil {
t.Fatalf("unexpected error fetching manifest: %v", err)
}
if fetchedByManifest.Tag != sm.Tag {
t.Fatalf("retrieved unexpected manifest: %v", err)
}
fetched, err := manifests.GetByTag(tag)
if err != nil {
t.Fatalf("unexpected error fetching manifest: %v", err)
}
if fetched.Tag != fetchedByManifest.Tag {
t.Fatalf("retrieved unexpected manifest: %v", err)
}
}