def InferUserAndSubjectFromUrn(self):
    _, client_id, user, _ = self.urn.Split(4)
    return (user, rdf_client.ClientURN(client_id))
Parse URLs. This method fixes an issue where credentials specified
dataset/ETHPy150Open google/grr/grr/lib/aff4_objects/security.py/ClientApproval.InferUserAndSubjectFromUrn--crossover with--dataset/ETHPy150Open openstack/glance_store/glance_store/_drivers/s3.py/StoreLocation.parse_uri