Return an http 415 (manifest version not supported) for OCI manifest content types

This was breaking skopeo, as it first tries to send the *OCI* manifest type, which we didn't say we didn't support, thus breaking the tool

endpoints/v2/manifest.py

@@ -18,7 +18,7 @@ from endpoints.v2.errors import (BlobUnknown, ManifestInvalid, ManifestUnknown,
 from endpoints.v2.labelhandlers import handle_label
 from image.docker import ManifestException
 from image.docker.schema1 import DockerSchema1Manifest, DockerSchema1ManifestBuilder
-from image.docker.schema2 import DOCKER_SCHEMA2_CONTENT_TYPES
+from image.docker.schema2 import DOCKER_SCHEMA2_CONTENT_TYPES, OCI_CONTENT_TYPES
 from notifications import spawn_notification
 from util.audit import track_and_log
 from util.names import VALID_TAG_PATTERN
@@ -92,7 +92,7 @@ def fetch_manifest_by_digest(namespace_name, repo_name, manifest_ref):
 def _reject_manifest2_schema2(func):
   @wraps(func)
   def wrapped(*args, **kwargs):
-    if request.content_type in DOCKER_SCHEMA2_CONTENT_TYPES:
+    if request.content_type in (DOCKER_SCHEMA2_CONTENT_TYPES | OCI_CONTENT_TYPES):
       raise ManifestInvalid(detail={'message': 'manifest schema version not supported'},
                             http_status_code=415)
     return func(*args, **kwargs)

image/docker/schema2.py

@@ -7,5 +7,10 @@ https://github.com/docker/distribution/blob/master/docs/spec/manifest-v2-2.md
 # Content Types
 DOCKER_SCHEMA2_MANIFEST_CONTENT_TYPE = 'application/vnd.docker.distribution.manifest.v2+json'
 DOCKER_SCHEMA2_MANIFESTLIST_CONTENT_TYPE = 'application/vnd.docker.distribution.manifest.list.v2+json'
+
+OCI_MANIFEST_CONTENT_TYPE = 'application/vnd.oci.image.manifest.v1+json'
+OCI_MANIFESTLIST_CONTENT_TYPE = 'application/vnd.oci.image.index.v1+json'
+
 DOCKER_SCHEMA2_CONTENT_TYPES = {DOCKER_SCHEMA2_MANIFEST_CONTENT_TYPE,
                                 DOCKER_SCHEMA2_MANIFESTLIST_CONTENT_TYPE}
+OCI_CONTENT_TYPES = {OCI_MANIFEST_CONTENT_TYPE, OCI_MANIFESTLIST_CONTENT_TYPE}

test/registry_tests.py

@@ -1623,6 +1623,26 @@ class V2RegistryTests(V2RegistryPullMixin, V2RegistryPushMixin, RegistryTestsMix
                  headers={'Content-Type': 'application/vnd.docker.distribution.manifest.v2+json'},
                  auth='jwt')
 
+  def test_oci_manifest_type(self):
+    namespace = 'devtable'
+    repository = 'somerepo'
+    tag_name = 'sometag'
+
+    repo_name = _get_repo_name(namespace, repository)
+
+    self.v2_ping()
+    self.do_auth('devtable', 'password', namespace, repository, scopes=['push', 'pull'])
+
+    # Build a fake manifest.
+    builder = DockerSchema1ManifestBuilder(namespace, repository, tag_name)
+    builder.add_layer('sha256:' + hashlib.sha256('invalid').hexdigest(), json.dumps({'id': 'foo'}))
+    manifest = builder.build(_JWK)
+
+    self.conduct('PUT', '/v2/%s/manifests/%s' % (repo_name, tag_name),
+                 data=manifest.bytes, expected_code=415,
+                 headers={'Content-Type': 'application/vnd.oci.image.manifest.v1+json'},
+                 auth='jwt')
+
   def test_invalid_blob(self):
     namespace = 'devtable'
     repository = 'somerepo'