OpenStack Identity (Keystone)
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# vim: tabstop=4 shiftwidth=4 softtabstop=4
# Copyright 2012 OpenStack LLC
# 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
# 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.
"""Main entry point into the Token service."""
import datetime
from keystone import config
from keystone.common import manager
CONF = config.CONF
config.register_int('expiration', group='token', default=86400)
class Manager(manager.Manager):
"""Default pivot point for the Token backend.
See :mod:`keystone.common.manager.Manager` for more details on how this
dynamically calls the backend.
def __init__(self):
super(Manager, self).__init__(CONF.token.driver)
class Driver(object):
"""Interface description for a Token driver."""
def get_token(self, token_id):
"""Get a token by id.
:param token_id: identity of the token
:type token_id: string
:returns: token_ref
:raises: keystone.exception.TokenNotFound
raise NotImplementedError()
def create_token(self, token_id, data):
"""Create a token by id and data.
:param token_id: identity of the token
:type token_id: string
:param data: dictionary with additional reference information
:type data: dict
:returns: token_ref or None.
raise NotImplementedError()
def delete_token(self, token_id):
"""Deletes a token by id.
:param token_id: identity of the token
:type token_id: string
:returns: None.
:raises: keystone.exception.TokenNotFound
raise NotImplementedError()
def _get_default_expire_time(self):
"""Determine when a token should expire based on the config.
:returns: datetime.datetime object
expire_delta = datetime.timedelta(seconds=CONF.token.expiration)
return + expire_delta