def get_repository_images(namespace_name, repo_name):
repository_ref = registry_model.lookup_repository(namespace_name,
repo_name,
kind_filter="image")
permission = ReadRepositoryPermission(namespace_name, repo_name)
if permission.can() or (repository_ref and repository_ref.is_public):
# We can't rely on permissions to tell us if a repo exists anymore
if repository_ref is None:
image_pulls.labels("v1", "tag", 404).inc()
abort(404, message="Unknown repository", issue="unknown-repo")
logger.debug("Building repository image response")
resp = make_response(json.dumps([]), 200)
resp.mimetype = "application/json"
track_and_log("pull_repo",
repository_ref,
analytics_name="pull_repo_100x",
analytics_sample=0.01)
image_pulls.labels("v1", "tag", 200).inc()
return resp
image_pulls.labels("v1", "tag", 403).inc()
abort(403)
def get_image_ancestry(namespace, repository, image_id, headers):
logger.debug("Checking repo permissions")
permission = ReadRepositoryPermission(namespace, repository)
repository_ref = registry_model.lookup_repository(namespace,
repository,
kind_filter="image")
if not permission.can() and not (repository_ref is not None
and repository_ref.is_public):
abort(403)
logger.debug("Looking up repo image")
legacy_image = registry_model.get_legacy_image(repository_ref,
image_id,
include_parents=True)
if legacy_image is None:
abort(404,
"Image %(image_id)s not found",
issue="unknown-image",
image_id=image_id)
# NOTE: We can not use jsonify here because we are returning a list not an object.
ancestor_ids = [legacy_image.docker_image_id
] + [a.docker_image_id for a in legacy_image.parents]
response = make_response(json.dumps(ancestor_ids), 200)
response.headers.extend(headers)
return response
def get_image_json(namespace, repository, image_id, headers):
logger.debug("Checking repo permissions")
permission = ReadRepositoryPermission(namespace, repository)
repository_ref = registry_model.lookup_repository(namespace,
repository,
kind_filter="image")
if not permission.can() and not (repository_ref is not None
and repository_ref.is_public):
abort(403)
logger.debug("Looking up repo image")
legacy_image = registry_model.get_legacy_image(repository_ref,
image_id,
store,
include_blob=True)
if legacy_image is None:
flask_abort(404)
size = legacy_image.blob.compressed_size
if size is not None:
# Note: X-Docker-Size is optional and we *can* end up with a NULL image_size,
# so handle this case rather than failing.
headers["X-Docker-Size"] = str(size)
response = make_response(legacy_image.v1_metadata_string, 200)
response.headers.extend(headers)
return response
def get_tag_torrent(namespace_name, repo_name, digest):
repo = model.repository.get_repository(namespace_name, repo_name)
repo_is_public = repo is not None and model.repository.is_repository_public(
repo)
permission = ReadRepositoryPermission(namespace_name, repo_name)
if not permission.can() and not repo_is_public:
abort(403)
user = get_authenticated_user()
if user is None and not repo_is_public:
# We can not generate a private torrent cluster without a user uuid (e.g. token auth)
abort(403)
if repo is not None and repo.kind.name != "image":
abort(405)
repo_ref = registry_model.lookup_repository(namespace_name, repo_name)
if repo_ref is None:
abort(404)
blob = registry_model.get_repo_blob_by_digest(repo_ref,
digest,
include_placements=True)
if blob is None:
abort(404)
return _torrent_for_blob(blob, repo_is_public)
def head_image_layer(namespace, repository, image_id, headers):
permission = ReadRepositoryPermission(namespace, repository)
repository_ref = registry_model.lookup_repository(namespace, repository, kind_filter="image")
logger.debug("Checking repo permissions")
if permission.can() or (repository_ref is not None and repository_ref.is_public):
if repository_ref is None:
abort(404)
logger.debug("Looking up placement locations")
legacy_image = registry_model.get_legacy_image(repository_ref, image_id, include_blob=True)
if legacy_image is None:
logger.debug("Could not find any blob placement locations")
abort(404, "Image %(image_id)s not found", issue="unknown-image", image_id=image_id)
# Add the Accept-Ranges header if the storage engine supports resumable
# downloads.
extra_headers = {}
if store.get_supports_resumable_downloads(legacy_image.blob.placements):
logger.debug("Storage supports resumable downloads")
extra_headers["Accept-Ranges"] = "bytes"
resp = make_response("")
resp.headers.extend(headers)
resp.headers.extend(extra_headers)
return resp
abort(403)
def get_image_layer(namespace, repository, image_id, headers):
permission = ReadRepositoryPermission(namespace, repository)
repository_ref = registry_model.lookup_repository(namespace, repository, kind_filter="image")
logger.debug("Checking repo permissions")
if permission.can() or (repository_ref is not None and repository_ref.is_public):
if repository_ref is None:
abort(404)
legacy_image = registry_model.get_legacy_image(repository_ref, image_id, include_blob=True)
if legacy_image is None:
abort(404, "Image %(image_id)s not found", issue="unknown-image", image_id=image_id)
path = legacy_image.blob.storage_path
image_pulled_bytes.labels("v1").inc(legacy_image.blob.compressed_size)
try:
logger.debug("Looking up the direct download URL for path: %s", path)
direct_download_url = store.get_direct_download_url(
legacy_image.blob.placements, path, get_request_ip()
)
if direct_download_url:
logger.debug("Returning direct download URL")
resp = redirect(direct_download_url)
return resp
# Close the database handle here for this process before we send the long download.
database.close_db_filter(None)
logger.debug("Streaming layer data")
return Response(store.stream_read(legacy_image.blob.placements, path), headers=headers)
except (IOError, AttributeError):
logger.exception("Image layer data not found")
abort(404, "Image %(image_id)s not found", issue="unknown-image", image_id=image_id)
abort(403)
def redirect_to_repository(namespace_name, repo_name, tag_name):
# Always return 200 for ac-discovery, to ensure that rkt and other ACI-compliant clients can
# find the metadata they need. Permissions will be checked in the registry API.
if request.args.get("ac-discovery", 0) == 1:
return index("")
# Redirect to the repository page if the user can see the repository.
is_public = model.repository.repository_is_public(namespace_name,
repo_name)
permission = ReadRepositoryPermission(namespace_name, repo_name)
repo = model.repository.get_repository(namespace_name, repo_name)
if repo and (permission.can() or is_public):
repo_path = "/".join([namespace_name, repo_name])
if repo.kind.name == "application":
return redirect(url_for("web.application", path=repo_path))
else:
return redirect(
url_for("web.repository",
path=repo_path,
tab="tags",
tag=tag_name))
namespace_exists = bool(model.user.get_user_or_org(namespace_name))
namespace_permission = OrganizationMemberPermission(namespace_name).can()
if get_authenticated_user() and get_authenticated_user(
).username == namespace_name:
namespace_permission = True
# Otherwise, we display an error for the user. Which error we display depends on permissions:
# > If the namespace doesn't exist, 404.
# > If the user is a member of the namespace:
# - If the repository doesn't exist, 404
# - If the repository does exist (no access), 403
# > If the user is not a member of the namespace: 403
error_info = {
"reason": "notfound",
"for_repo": True,
"namespace_exists": namespace_exists,
"namespace": namespace_name,
"repo_name": repo_name,
}
if not namespace_exists or (namespace_permission and repo is None):
resp = index("", error_code=404, error_info=json.dumps(error_info))
resp.status_code = 404
return resp
else:
resp = index("", error_code=403, error_info=json.dumps(error_info))
resp.status_code = 403
return resp
def get_tags(namespace_name, repo_name):
permission = ReadRepositoryPermission(namespace_name, repo_name)
repository_ref = registry_model.lookup_repository(namespace_name,
repo_name,
kind_filter="image")
if permission.can() or (repository_ref is not None
and repository_ref.is_public):
if repository_ref is None:
abort(404)
tag_map = registry_model.get_legacy_tags_map(repository_ref, storage)
return jsonify(tag_map)
abort(403)
def get_image_layer(namespace, repository, image_id, headers):
permission = ReadRepositoryPermission(namespace, repository)
repository_ref = registry_model.lookup_repository(namespace,
repository,
kind_filter='image')
logger.debug('Checking repo permissions')
if permission.can() or (repository_ref is not None
and repository_ref.is_public):
if repository_ref is None:
abort(404)
legacy_image = registry_model.get_legacy_image(repository_ref,
image_id,
include_blob=True)
if legacy_image is None:
abort(404,
'Image %(image_id)s not found',
issue='unknown-image',
image_id=image_id)
path = legacy_image.blob.storage_path
metric_queue.pull_byte_count.Inc(legacy_image.blob.compressed_size,
labelvalues=['v1'])
try:
logger.debug('Looking up the direct download URL for path: %s',
path)
direct_download_url = store.get_direct_download_url(
legacy_image.blob.placements, path, get_request_ip())
if direct_download_url:
logger.debug('Returning direct download URL')
resp = redirect(direct_download_url)
return resp
# Close the database handle here for this process before we send the long download.
database.close_db_filter(None)
logger.debug('Streaming layer data')
return Response(store.stream_read(legacy_image.blob.placements,
path),
headers=headers)
except (IOError, AttributeError):
logger.exception('Image layer data not found')
abort(404,
'Image %(image_id)s not found',
issue='unknown-image',
image_id=image_id)
abort(403)
def get_tag(namespace_name, repo_name, tag):
permission = ReadRepositoryPermission(namespace_name, repo_name)
repository_ref = registry_model.lookup_repository(namespace_name,
repo_name,
kind_filter="image")
if permission.can() or (repository_ref is not None
and repository_ref.is_public):
if repository_ref is None:
abort(404)
image_id = registry_model.get_tag_legacy_image_id(
repository_ref, tag, storage)
if image_id is None:
abort(404)
resp = make_response('"%s"' % image_id)
resp.headers["Content-Type"] = "application/json"
return resp
abort(403)
def get_repository_images(namespace_name, repo_name):
repository_ref = registry_model.lookup_repository(namespace_name,
repo_name,
kind_filter='image')
permission = ReadRepositoryPermission(namespace_name, repo_name)
if permission.can() or (repository_ref and repository_ref.is_public):
# We can't rely on permissions to tell us if a repo exists anymore
if repository_ref is None:
abort(404, message='Unknown repository', issue='unknown-repo')
logger.debug('Building repository image response')
resp = make_response(json.dumps([]), 200)
resp.mimetype = 'application/json'
track_and_log('pull_repo',
repository_ref,
analytics_name='pull_repo_100x',
analytics_sample=0.01)
metric_queue.repository_pull.Inc(
labelvalues=[namespace_name, repo_name, 'v1', True])
return resp
abort(403)
def _verify_repo_verb(_, namespace, repo_name, tag_name, verb, checker=None):
permission = ReadRepositoryPermission(namespace, repo_name)
repo = model.repository.get_repository(namespace, repo_name)
repo_is_public = repo is not None and model.repository.is_repository_public(repo)
if not permission.can() and not repo_is_public:
logger.debug(
"No permission to read repository %s/%s for user %s with verb %s",
namespace,
repo_name,
get_authenticated_user(),
verb,
)
abort(403)
if repo is not None and repo.kind.name != "image":
logger.debug(
"Repository %s/%s for user %s is not an image repo",
namespace,
repo_name,
get_authenticated_user(),
)
abort(405)
# Make sure the repo's namespace isn't disabled.
if not registry_model.is_namespace_enabled(namespace):
abort(400)
# Lookup the requested tag.
repo_ref = registry_model.lookup_repository(namespace, repo_name)
if repo_ref is None:
abort(404)
tag = registry_model.get_repo_tag(repo_ref, tag_name)
if tag is None:
logger.debug(
"Tag %s does not exist in repository %s/%s for user %s",
tag,
namespace,
repo_name,
get_authenticated_user(),
)
abort(404)
# Get its associated manifest.
manifest = registry_model.get_manifest_for_tag(tag, backfill_if_necessary=True)
if manifest is None:
logger.debug("Could not get manifest on %s/%s:%s::%s", namespace, repo_name, tag.name, verb)
abort(404)
# Retrieve the schema1-compatible version of the manifest.
try:
schema1_manifest = registry_model.get_schema1_parsed_manifest(
manifest, namespace, repo_name, tag.name, storage
)
except ManifestException:
logger.exception(
"Could not get manifest on %s/%s:%s::%s", namespace, repo_name, tag.name, verb
)
abort(400)
if schema1_manifest is None:
abort(404)
# If there is a data checker, call it first.
if checker is not None:
if not checker(tag, schema1_manifest):
logger.debug(
"Check mismatch on %s/%s:%s, verb %s", namespace, repo_name, tag.name, verb
)
abort(404)
# Preload the tag's repository information, so it gets cached.
assert tag.repository.namespace_name
assert tag.repository.name
return tag, manifest, schema1_manifest
