def ReadSignedBinaryReferences(self, binary_id, cursor=None):
"""Reads blob references for the signed binary with the given id."""
cursor.execute(
"""
SELECT blob_references, UNIX_TIMESTAMP(timestamp)
FROM signed_binary_references
WHERE binary_type = %s AND binary_path_hash = %s
""", [
binary_id.binary_type.SerializeToDataStore(),
mysql_utils.Hash(binary_id.path)
])
row = cursor.fetchone()
if not row:
raise db.UnknownSignedBinaryError(binary_id)
raw_references, timestamp = row
# TODO(hanuszczak): pytype does not understand overloads, so we have to cast
# to a non-optional object.
datetime = cast(rdfvalue.RDFDatetime,
mysql_utils.TimestampToRDFDatetime(timestamp))
references = rdf_objects.BlobReferences.FromSerializedBytes(
raw_references)
return references, datetime
def ReadSignedBinaryReferences(self, binary_id):
"""See db.Database."""
binary_key = _SignedBinaryKeyFromID(binary_id)
try:
references, timestamp = self.signed_binary_references[binary_key]
except KeyError:
raise db.UnknownSignedBinaryError(binary_id)
return references.Copy(), timestamp.Copy()
def ReadSignedBinaryReferences(
self, binary_id: rdf_objects.SignedBinaryID
) -> Tuple[rdf_objects.BlobReferences, rdfvalue.RDFDatetime]:
"""See db.Database."""
binary_key = _SignedBinaryKeyFromID(binary_id)
try:
references, timestamp = self.signed_binary_references[binary_key]
except KeyError:
raise db.UnknownSignedBinaryError(binary_id)
return references.Copy(), timestamp.Copy()