Source code for keystone.token.token_formatters

# Licensed under the Apache License, Version 2.0 (the "License"); you may
# not use this file except in compliance with the License. You may obtain
# a copy of the License at
#
#      http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
# License for the specific language governing permissions and limitations
# under the License.

import base64
import datetime
import struct
import uuid

from cryptography import fernet
import msgpack
from oslo_log import log
from oslo_utils import timeutils

from keystone.auth import plugins as auth_plugins
from keystone.common import fernet_utils as utils
from keystone.common import utils as ks_utils
import keystone.conf
from keystone import exception
from keystone.i18n import _


CONF = keystone.conf.CONF
LOG = log.getLogger(__name__)

# Fernet byte indexes as computed by pypi/keyless_fernet and defined in
# https://github.com/fernet/spec
TIMESTAMP_START = 1
TIMESTAMP_END = 9


[docs]class TokenFormatter(object): """Packs and unpacks payloads into tokens for transport.""" @property def crypto(self): """Return a cryptography instance. You can extend this class with a custom crypto @property to provide your own token encoding / decoding. For example, using a different cryptography library (e.g. ``python-keyczar``) or to meet arbitrary security requirements. This @property just needs to return an object that implements ``encrypt(plaintext)`` and ``decrypt(ciphertext)``. """ fernet_utils = utils.FernetUtils( CONF.fernet_tokens.key_repository, CONF.fernet_tokens.max_active_keys, 'fernet_tokens' ) keys = fernet_utils.load_keys() if not keys: raise exception.KeysNotFound() fernet_instances = [fernet.Fernet(key) for key in keys] return fernet.MultiFernet(fernet_instances)
[docs] def pack(self, payload): """Pack a payload for transport as a token. :type payload: bytes :rtype: str """ # base64 padding (if any) is not URL-safe return self.crypto.encrypt(payload).rstrip(b'=').decode('utf-8')
[docs] def unpack(self, token): """Unpack a token, and validate the payload. :type token: str :rtype: bytes """ token = TokenFormatter.restore_padding(token) try: return self.crypto.decrypt(token.encode('utf-8')) except fernet.InvalidToken: raise exception.ValidationError( _('Could not recognize Fernet token'))
[docs] @classmethod def restore_padding(cls, token): """Restore padding based on token size. :param token: token to restore padding on :type token: str :returns: token with correct padding """ # Re-inflate the padding mod_returned = len(token) % 4 if mod_returned: missing_padding = 4 - mod_returned token += '=' * missing_padding return token
[docs] @classmethod def creation_time(cls, fernet_token): """Return the creation time of a valid Fernet token. :type fernet_token: str """ fernet_token = TokenFormatter.restore_padding(fernet_token) # fernet_token is str # Fernet tokens are base64 encoded, so we need to unpack them first # urlsafe_b64decode() requires bytes token_bytes = base64.urlsafe_b64decode(fernet_token.encode('utf-8')) # slice into the byte array to get just the timestamp timestamp_bytes = token_bytes[TIMESTAMP_START:TIMESTAMP_END] # convert those bytes to an integer # (it's a 64-bit "unsigned long long int" in C) timestamp_int = struct.unpack(">Q", timestamp_bytes)[0] # and with an integer, it's trivial to produce a datetime object issued_at = datetime.datetime.utcfromtimestamp(timestamp_int) return issued_at
[docs] def create_token(self, user_id, expires_at, audit_ids, payload_class, methods=None, system=None, domain_id=None, project_id=None, trust_id=None, federated_group_ids=None, identity_provider_id=None, protocol_id=None, access_token_id=None, app_cred_id=None): """Given a set of payload attributes, generate a Fernet token.""" version = payload_class.version payload = payload_class.assemble( user_id, methods, system, project_id, domain_id, expires_at, audit_ids, trust_id, federated_group_ids, identity_provider_id, protocol_id, access_token_id, app_cred_id ) versioned_payload = (version,) + payload serialized_payload = msgpack.packb(versioned_payload) token = self.pack(serialized_payload) # NOTE(lbragstad): We should warn against Fernet tokens that are over # 255 characters in length. This is mostly due to persisting the tokens # in a backend store of some kind that might have a limit of 255 # characters. Even though Keystone isn't storing a Fernet token # anywhere, we can't say it isn't being stored somewhere else with # those kind of backend constraints. if len(token) > 255: LOG.info('Fernet token created with length of %d ' 'characters, which exceeds 255 characters', len(token)) return token
[docs] def validate_token(self, token): """Validate a Fernet token and returns the payload attributes. :type token: str """ serialized_payload = self.unpack(token) # TODO(melwitt): msgpack changed their data format in version 1.0, so # in order to support a rolling upgrade, we must pass raw=True to # to support the old format. The try-except may be removed in the once # the N-1 release no longer supports msgpack < 1.0. try: versioned_payload = msgpack.unpackb(serialized_payload) except UnicodeDecodeError: versioned_payload = msgpack.unpackb(serialized_payload, raw=True) version, payload = versioned_payload[0], versioned_payload[1:] for payload_class in _PAYLOAD_CLASSES: if version == payload_class.version: (user_id, methods, system, project_id, domain_id, expires_at, audit_ids, trust_id, federated_group_ids, identity_provider_id, protocol_id, access_token_id, app_cred_id) = payload_class.disassemble(payload) break else: # If the token_format is not recognized, raise ValidationError. raise exception.ValidationError(_( 'This is not a recognized Fernet payload version: %s') % version) # FIXME(lbragstad): Without this, certain token validation tests fail # when running with python 3. Once we get further along in this # refactor, we should be better about handling string encoding/types at # the edges of the application. if isinstance(system, bytes): system = system.decode('utf-8') # rather than appearing in the payload, the creation time is encoded # into the token format itself issued_at = TokenFormatter.creation_time(token) issued_at = ks_utils.isotime(at=issued_at, subsecond=True) expires_at = timeutils.parse_isotime(expires_at) expires_at = ks_utils.isotime(at=expires_at, subsecond=True) return (user_id, methods, audit_ids, system, domain_id, project_id, trust_id, federated_group_ids, identity_provider_id, protocol_id, access_token_id, app_cred_id, issued_at, expires_at)
[docs]class BasePayload(object): # each payload variant should have a unique version version = None
[docs] @classmethod def assemble(cls, user_id, methods, system, project_id, domain_id, expires_at, audit_ids, trust_id, federated_group_ids, identity_provider_id, protocol_id, access_token_id, app_cred_id): """Assemble the payload of a token. :param user_id: identifier of the user in the token request :param methods: list of authentication methods used :param system: a string including system scope information :param project_id: ID of the project to scope to :param domain_id: ID of the domain to scope to :param expires_at: datetime of the token's expiration :param audit_ids: list of the token's audit IDs :param trust_id: ID of the trust in effect :param federated_group_ids: list of group IDs from SAML assertion :param identity_provider_id: ID of the user's identity provider :param protocol_id: federated protocol used for authentication :param access_token_id: ID of the secret in OAuth1 authentication :param app_cred_id: ID of the application credential in effect :returns: the payload of a token """ raise NotImplementedError()
[docs] @classmethod def disassemble(cls, payload): """Disassemble an unscoped payload into the component data. The tuple consists of:: (user_id, methods, system, project_id, domain_id, expires_at_str, audit_ids, trust_id, federated_group_ids, identity_provider_id, protocol_id,` access_token_id, app_cred_id) * ``methods`` are the auth methods. Fields will be set to None if they didn't apply to this payload type. :param payload: this variant of payload :returns: a tuple of the payloads component data """ raise NotImplementedError()
[docs] @classmethod def convert_uuid_hex_to_bytes(cls, uuid_string): """Compress UUID formatted strings to bytes. :param uuid_string: uuid string to compress to bytes :returns: a byte representation of the uuid """ uuid_obj = uuid.UUID(uuid_string) return uuid_obj.bytes
[docs] @classmethod def convert_uuid_bytes_to_hex(cls, uuid_byte_string): """Generate uuid.hex format based on byte string. :param uuid_byte_string: uuid string to generate from :returns: uuid hex formatted string """ uuid_obj = uuid.UUID(bytes=uuid_byte_string) return uuid_obj.hex
@classmethod def _convert_time_string_to_float(cls, time_string): """Convert a time formatted string to a float. :param time_string: time formatted string :returns: a timestamp as a float """ time_object = timeutils.parse_isotime(time_string) return (timeutils.normalize_time(time_object) - datetime.datetime.utcfromtimestamp(0)).total_seconds() @classmethod def _convert_float_to_time_string(cls, time_float): """Convert a floating point timestamp to a string. :param time_float: integer representing timestamp :returns: a time formatted strings """ time_object = datetime.datetime.utcfromtimestamp(time_float) return ks_utils.isotime(time_object, subsecond=True)
[docs] @classmethod def attempt_convert_uuid_hex_to_bytes(cls, value): """Attempt to convert value to bytes or return value. :param value: value to attempt to convert to bytes :returns: tuple containing boolean indicating whether user_id was stored as bytes and uuid value as bytes or the original value """ try: return (True, cls.convert_uuid_hex_to_bytes(value)) except (ValueError, TypeError): # ValueError: this might not be a UUID, depending on the # situation (i.e. federation) # TypeError: the provided value may be binary encoded # in which case just return the value (i.e. Python 3) return (False, value)
[docs] @classmethod def base64_encode(cls, s): """Encode a URL-safe string. :type s: str :rtype: str """ # urlsafe_b64encode() returns bytes so need to convert to # str, might as well do it before stripping. return base64.urlsafe_b64encode(s).decode('utf-8').rstrip('=')
[docs] @classmethod def random_urlsafe_str_to_bytes(cls, s): """Convert string from :func:`random_urlsafe_str()` to bytes. :type s: str :rtype: bytes """ # urlsafe_b64decode() requires str, unicode isn't accepted. s = str(s) # restore the padding (==) at the end of the string return base64.urlsafe_b64decode(s + '==')
@classmethod def _convert_or_decode(cls, is_stored_as_bytes, value): """Convert a value to text type, translating uuid -> hex if required. :param is_stored_as_bytes: whether value is already bytes :type is_stored_as_bytes: boolean :param value: value to attempt to convert to bytes :type value: str or bytes :rtype: str """ if is_stored_as_bytes: return cls.convert_uuid_bytes_to_hex(value) elif isinstance(value, bytes): return value.decode('utf-8') return value
[docs]class UnscopedPayload(BasePayload): version = 0
[docs] @classmethod def assemble(cls, user_id, methods, system, project_id, domain_id, expires_at, audit_ids, trust_id, federated_group_ids, identity_provider_id, protocol_id, access_token_id, app_cred_id): b_user_id = cls.attempt_convert_uuid_hex_to_bytes(user_id) methods = auth_plugins.convert_method_list_to_integer(methods) expires_at_int = cls._convert_time_string_to_float(expires_at) b_audit_ids = list(map(cls.random_urlsafe_str_to_bytes, audit_ids)) return (b_user_id, methods, expires_at_int, b_audit_ids)
[docs] @classmethod def disassemble(cls, payload): (is_stored_as_bytes, user_id) = payload[0] user_id = cls._convert_or_decode(is_stored_as_bytes, user_id) methods = auth_plugins.convert_integer_to_method_list(payload[1]) expires_at_str = cls._convert_float_to_time_string(payload[2]) audit_ids = list(map(cls.base64_encode, payload[3])) system = None project_id = None domain_id = None trust_id = None federated_group_ids = None identity_provider_id = None protocol_id = None access_token_id = None app_cred_id = None return (user_id, methods, system, project_id, domain_id, expires_at_str, audit_ids, trust_id, federated_group_ids, identity_provider_id, protocol_id, access_token_id, app_cred_id)
[docs]class DomainScopedPayload(BasePayload): version = 1
[docs] @classmethod def assemble(cls, user_id, methods, system, project_id, domain_id, expires_at, audit_ids, trust_id, federated_group_ids, identity_provider_id, protocol_id, access_token_id, app_cred_id): b_user_id = cls.attempt_convert_uuid_hex_to_bytes(user_id) methods = auth_plugins.convert_method_list_to_integer(methods) try: b_domain_id = cls.convert_uuid_hex_to_bytes(domain_id) except ValueError: # the default domain ID is configurable, and probably isn't a UUID if domain_id == CONF.identity.default_domain_id: b_domain_id = domain_id else: raise expires_at_int = cls._convert_time_string_to_float(expires_at) b_audit_ids = list(map(cls.random_urlsafe_str_to_bytes, audit_ids)) return (b_user_id, methods, b_domain_id, expires_at_int, b_audit_ids)
[docs] @classmethod def disassemble(cls, payload): (is_stored_as_bytes, user_id) = payload[0] user_id = cls._convert_or_decode(is_stored_as_bytes, user_id) methods = auth_plugins.convert_integer_to_method_list(payload[1]) try: domain_id = cls.convert_uuid_bytes_to_hex(payload[2]) except ValueError: # the default domain ID is configurable, and probably isn't a UUID if isinstance(payload[2], bytes): payload[2] = payload[2].decode('utf-8') if payload[2] == CONF.identity.default_domain_id: domain_id = payload[2] else: raise expires_at_str = cls._convert_float_to_time_string(payload[3]) audit_ids = list(map(cls.base64_encode, payload[4])) system = None project_id = None trust_id = None federated_group_ids = None identity_provider_id = None protocol_id = None access_token_id = None app_cred_id = None return (user_id, methods, system, project_id, domain_id, expires_at_str, audit_ids, trust_id, federated_group_ids, identity_provider_id, protocol_id, access_token_id, app_cred_id)
[docs]class ProjectScopedPayload(BasePayload): version = 2
[docs] @classmethod def assemble(cls, user_id, methods, system, project_id, domain_id, expires_at, audit_ids, trust_id, federated_group_ids, identity_provider_id, protocol_id, access_token_id, app_cred_id): b_user_id = cls.attempt_convert_uuid_hex_to_bytes(user_id) methods = auth_plugins.convert_method_list_to_integer(methods) b_project_id = cls.attempt_convert_uuid_hex_to_bytes(project_id) expires_at_int = cls._convert_time_string_to_float(expires_at) b_audit_ids = list(map(cls.random_urlsafe_str_to_bytes, audit_ids)) return (b_user_id, methods, b_project_id, expires_at_int, b_audit_ids)
[docs] @classmethod def disassemble(cls, payload): (is_stored_as_bytes, user_id) = payload[0] user_id = cls._convert_or_decode(is_stored_as_bytes, user_id) methods = auth_plugins.convert_integer_to_method_list(payload[1]) (is_stored_as_bytes, project_id) = payload[2] project_id = cls._convert_or_decode(is_stored_as_bytes, project_id) expires_at_str = cls._convert_float_to_time_string(payload[3]) audit_ids = list(map(cls.base64_encode, payload[4])) system = None domain_id = None trust_id = None federated_group_ids = None identity_provider_id = None protocol_id = None access_token_id = None app_cred_id = None return (user_id, methods, system, project_id, domain_id, expires_at_str, audit_ids, trust_id, federated_group_ids, identity_provider_id, protocol_id, access_token_id, app_cred_id)
[docs]class TrustScopedPayload(BasePayload): version = 3
[docs] @classmethod def assemble(cls, user_id, methods, system, project_id, domain_id, expires_at, audit_ids, trust_id, federated_group_ids, identity_provider_id, protocol_id, access_token_id, app_cred_id): b_user_id = cls.attempt_convert_uuid_hex_to_bytes(user_id) methods = auth_plugins.convert_method_list_to_integer(methods) b_project_id = cls.attempt_convert_uuid_hex_to_bytes(project_id) b_trust_id = cls.convert_uuid_hex_to_bytes(trust_id) expires_at_int = cls._convert_time_string_to_float(expires_at) b_audit_ids = list(map(cls.random_urlsafe_str_to_bytes, audit_ids)) return (b_user_id, methods, b_project_id, expires_at_int, b_audit_ids, b_trust_id)
[docs] @classmethod def disassemble(cls, payload): (is_stored_as_bytes, user_id) = payload[0] user_id = cls._convert_or_decode(is_stored_as_bytes, user_id) methods = auth_plugins.convert_integer_to_method_list(payload[1]) (is_stored_as_bytes, project_id) = payload[2] project_id = cls._convert_or_decode(is_stored_as_bytes, project_id) expires_at_str = cls._convert_float_to_time_string(payload[3]) audit_ids = list(map(cls.base64_encode, payload[4])) trust_id = cls.convert_uuid_bytes_to_hex(payload[5]) system = None domain_id = None federated_group_ids = None identity_provider_id = None protocol_id = None access_token_id = None app_cred_id = None return (user_id, methods, system, project_id, domain_id, expires_at_str, audit_ids, trust_id, federated_group_ids, identity_provider_id, protocol_id, access_token_id, app_cred_id)
[docs]class FederatedUnscopedPayload(BasePayload): version = 4
[docs] @classmethod def pack_group_id(cls, group_dict): return cls.attempt_convert_uuid_hex_to_bytes(group_dict['id'])
[docs] @classmethod def unpack_group_id(cls, group_id_in_bytes): (is_stored_as_bytes, group_id) = group_id_in_bytes group_id = cls._convert_or_decode(is_stored_as_bytes, group_id) return {'id': group_id}
[docs] @classmethod def assemble(cls, user_id, methods, system, project_id, domain_id, expires_at, audit_ids, trust_id, federated_group_ids, identity_provider_id, protocol_id, access_token_id, app_cred_id): b_user_id = cls.attempt_convert_uuid_hex_to_bytes(user_id) methods = auth_plugins.convert_method_list_to_integer(methods) b_group_ids = list(map(cls.pack_group_id, federated_group_ids)) b_idp_id = cls.attempt_convert_uuid_hex_to_bytes(identity_provider_id) expires_at_int = cls._convert_time_string_to_float(expires_at) b_audit_ids = list(map(cls.random_urlsafe_str_to_bytes, audit_ids)) return (b_user_id, methods, b_group_ids, b_idp_id, protocol_id, expires_at_int, b_audit_ids)
[docs] @classmethod def disassemble(cls, payload): (is_stored_as_bytes, user_id) = payload[0] user_id = cls._convert_or_decode(is_stored_as_bytes, user_id) methods = auth_plugins.convert_integer_to_method_list(payload[1]) group_ids = list(map(cls.unpack_group_id, payload[2])) (is_stored_as_bytes, idp_id) = payload[3] idp_id = cls._convert_or_decode(is_stored_as_bytes, idp_id) protocol_id = payload[4] if isinstance(protocol_id, bytes): protocol_id = protocol_id.decode('utf-8') expires_at_str = cls._convert_float_to_time_string(payload[5]) audit_ids = list(map(cls.base64_encode, payload[6])) system = None project_id = None domain_id = None trust_id = None access_token_id = None app_cred_id = None return (user_id, methods, system, project_id, domain_id, expires_at_str, audit_ids, trust_id, group_ids, idp_id, protocol_id, access_token_id, app_cred_id)
[docs]class FederatedScopedPayload(FederatedUnscopedPayload): version = None
[docs] @classmethod def assemble(cls, user_id, methods, system, project_id, domain_id, expires_at, audit_ids, trust_id, federated_group_ids, identity_provider_id, protocol_id, access_token_id, app_cred_id): b_user_id = cls.attempt_convert_uuid_hex_to_bytes(user_id) methods = auth_plugins.convert_method_list_to_integer(methods) b_scope_id = cls.attempt_convert_uuid_hex_to_bytes( project_id or domain_id) b_group_ids = list(map(cls.pack_group_id, federated_group_ids)) b_idp_id = cls.attempt_convert_uuid_hex_to_bytes(identity_provider_id) expires_at_int = cls._convert_time_string_to_float(expires_at) b_audit_ids = list(map(cls.random_urlsafe_str_to_bytes, audit_ids)) return (b_user_id, methods, b_scope_id, b_group_ids, b_idp_id, protocol_id, expires_at_int, b_audit_ids)
[docs] @classmethod def disassemble(cls, payload): (is_stored_as_bytes, user_id) = payload[0] user_id = cls._convert_or_decode(is_stored_as_bytes, user_id) methods = auth_plugins.convert_integer_to_method_list(payload[1]) (is_stored_as_bytes, scope_id) = payload[2] scope_id = cls._convert_or_decode(is_stored_as_bytes, scope_id) project_id = ( scope_id if cls.version == FederatedProjectScopedPayload.version else None) domain_id = ( scope_id if cls.version == FederatedDomainScopedPayload.version else None) group_ids = list(map(cls.unpack_group_id, payload[3])) (is_stored_as_bytes, idp_id) = payload[4] idp_id = cls._convert_or_decode(is_stored_as_bytes, idp_id) protocol_id = payload[5] if isinstance(protocol_id, bytes): protocol_id = protocol_id.decode('utf-8') expires_at_str = cls._convert_float_to_time_string(payload[6]) audit_ids = list(map(cls.base64_encode, payload[7])) system = None trust_id = None access_token_id = None app_cred_id = None return (user_id, methods, system, project_id, domain_id, expires_at_str, audit_ids, trust_id, group_ids, idp_id, protocol_id, access_token_id, app_cred_id)
[docs]class FederatedProjectScopedPayload(FederatedScopedPayload): version = 5
[docs]class FederatedDomainScopedPayload(FederatedScopedPayload): version = 6
[docs]class OauthScopedPayload(BasePayload): version = 7
[docs] @classmethod def assemble(cls, user_id, methods, system, project_id, domain_id, expires_at, audit_ids, trust_id, federated_group_ids, identity_provider_id, protocol_id, access_token_id, app_cred_id): b_user_id = cls.attempt_convert_uuid_hex_to_bytes(user_id) methods = auth_plugins.convert_method_list_to_integer(methods) b_project_id = cls.attempt_convert_uuid_hex_to_bytes(project_id) expires_at_int = cls._convert_time_string_to_float(expires_at) b_audit_ids = list(map(cls.random_urlsafe_str_to_bytes, audit_ids)) b_access_token_id = cls.attempt_convert_uuid_hex_to_bytes( access_token_id) return (b_user_id, methods, b_project_id, b_access_token_id, expires_at_int, b_audit_ids)
[docs] @classmethod def disassemble(cls, payload): (is_stored_as_bytes, user_id) = payload[0] user_id = cls._convert_or_decode(is_stored_as_bytes, user_id) methods = auth_plugins.convert_integer_to_method_list(payload[1]) (is_stored_as_bytes, project_id) = payload[2] project_id = cls._convert_or_decode(is_stored_as_bytes, project_id) (is_stored_as_bytes, access_token_id) = payload[3] access_token_id = cls._convert_or_decode(is_stored_as_bytes, access_token_id) expires_at_str = cls._convert_float_to_time_string(payload[4]) audit_ids = list(map(cls.base64_encode, payload[5])) system = None domain_id = None trust_id = None federated_group_ids = None identity_provider_id = None protocol_id = None app_cred_id = None return (user_id, methods, system, project_id, domain_id, expires_at_str, audit_ids, trust_id, federated_group_ids, identity_provider_id, protocol_id, access_token_id, app_cred_id)
[docs]class SystemScopedPayload(BasePayload): version = 8
[docs] @classmethod def assemble(cls, user_id, methods, system, project_id, domain_id, expires_at, audit_ids, trust_id, federated_group_ids, identity_provider_id, protocol_id, access_token_id, app_cred_id): b_user_id = cls.attempt_convert_uuid_hex_to_bytes(user_id) methods = auth_plugins.convert_method_list_to_integer(methods) expires_at_int = cls._convert_time_string_to_float(expires_at) b_audit_ids = list(map(cls.random_urlsafe_str_to_bytes, audit_ids)) return (b_user_id, methods, system, expires_at_int, b_audit_ids)
[docs] @classmethod def disassemble(cls, payload): (is_stored_as_bytes, user_id) = payload[0] user_id = cls._convert_or_decode(is_stored_as_bytes, user_id) methods = auth_plugins.convert_integer_to_method_list(payload[1]) system = payload[2] expires_at_str = cls._convert_float_to_time_string(payload[3]) audit_ids = list(map(cls.base64_encode, payload[4])) project_id = None domain_id = None trust_id = None federated_group_ids = None identity_provider_id = None protocol_id = None access_token_id = None app_cred_id = None return (user_id, methods, system, project_id, domain_id, expires_at_str, audit_ids, trust_id, federated_group_ids, identity_provider_id, protocol_id, access_token_id, app_cred_id)
[docs]class ApplicationCredentialScopedPayload(BasePayload): version = 9
[docs] @classmethod def assemble(cls, user_id, methods, system, project_id, domain_id, expires_at, audit_ids, trust_id, federated_group_ids, identity_provider_id, protocol_id, access_token_id, app_cred_id): b_user_id = cls.attempt_convert_uuid_hex_to_bytes(user_id) methods = auth_plugins.convert_method_list_to_integer(methods) b_project_id = cls.attempt_convert_uuid_hex_to_bytes(project_id) expires_at_int = cls._convert_time_string_to_float(expires_at) b_audit_ids = list(map(cls.random_urlsafe_str_to_bytes, audit_ids)) b_app_cred_id = cls.attempt_convert_uuid_hex_to_bytes(app_cred_id) return (b_user_id, methods, b_project_id, expires_at_int, b_audit_ids, b_app_cred_id)
[docs] @classmethod def disassemble(cls, payload): (is_stored_as_bytes, user_id) = payload[0] user_id = cls._convert_or_decode(is_stored_as_bytes, user_id) methods = auth_plugins.convert_integer_to_method_list(payload[1]) (is_stored_as_bytes, project_id) = payload[2] project_id = cls._convert_or_decode(is_stored_as_bytes, project_id) expires_at_str = cls._convert_float_to_time_string(payload[3]) audit_ids = list(map(cls.base64_encode, payload[4])) system = None domain_id = None trust_id = None federated_group_ids = None identity_provider_id = None protocol_id = None access_token_id = None (is_stored_as_bytes, app_cred_id) = payload[5] app_cred_id = cls._convert_or_decode(is_stored_as_bytes, app_cred_id) return (user_id, methods, system, project_id, domain_id, expires_at_str, audit_ids, trust_id, federated_group_ids, identity_provider_id, protocol_id, access_token_id, app_cred_id)
_PAYLOAD_CLASSES = [ UnscopedPayload, DomainScopedPayload, ProjectScopedPayload, TrustScopedPayload, FederatedUnscopedPayload, FederatedProjectScopedPayload, FederatedDomainScopedPayload, OauthScopedPayload, SystemScopedPayload, ApplicationCredentialScopedPayload, ]