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# 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.
from positional import positional
from keystoneauth1.identity import base
class AccessInfoPlugin(base.BaseIdentityPlugin):
"""A plugin that turns an existing AccessInfo object into a usable plugin.
There are cases where reuse of an auth_ref or AccessInfo object is
warranted such as from a cache, from auth_token middleware, or another
source.
Turn the existing access info object into an identity plugin. This plugin
cannot be refreshed as the AccessInfo object does not contain any
authorizing information.
:param auth_ref: the existing AccessInfo object.
:type auth_ref: keystonauth.access.AccessInfo
:param auth_url: the url where this AccessInfo was retrieved from. Required
if using the AUTH_INTERFACE with get_endpoint. (optional)
"""
@positional()
def __init__(self, auth_ref, auth_url=None):
super(AccessInfoPlugin, self).__init__(auth_url=auth_url,
reauthenticate=False)
self.auth_ref = auth_ref
def get_auth_ref(self, session, **kwargs):
return self.auth_ref
def invalidate(self):
# NOTE(jamielennox): Don't allow the default invalidation to occur
# because on next authentication request we will only get the same
# auth_ref object again.
return False
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