a441d3ec56
Generally we want people to use the existing plugins to manage their authentication, however there are a number of existing services that know how to work with an AccessInfo object directly and either cache it or manipulate it manually. Provide a simple Identity plugin that just takes an existing AccessInfo and allows it to be used as an authentication plugin. Change-Id: I388283c03a0a8a3d1afe43138eebbe5e66ca9102
48 lines
1.9 KiB
Python
48 lines
1.9 KiB
Python
# Licensed under the Apache License, Version 2.0 (the "License"); you may
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# not use this file except in compliance with the License. You may obtain
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# a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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# License for the specific language governing permissions and limitations
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# under the License.
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from keystoneclient.auth.identity import base
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from keystoneclient import utils
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class AccessInfoPlugin(base.BaseIdentityPlugin):
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"""A plugin that turns an existing AccessInfo object into a usable plugin.
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There are cases where reuse of an auth_ref or AccessInfo object is
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warranted such as from a cache, from auth_token middleware, or another
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source.
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Turn the existing access info object into an identity plugin. This plugin
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cannot be refreshed as the AccessInfo object does not contain any
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authorizing information.
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:param auth_ref: the existing AccessInfo object.
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:type auth_ref: keystoneclient.access.AccessInfo
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:param auth_url: the url where this AccessInfo was retrieved from. Required
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if using the AUTH_INTERFACE with get_endpoint. (optional)
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"""
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@utils.positional()
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def __init__(self, auth_ref, auth_url=None):
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super(AccessInfoPlugin, self).__init__(auth_url=auth_url,
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reauthenticate=False)
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self.auth_ref = auth_ref
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def get_auth_ref(self, session, **kwargs):
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return self.auth_ref
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def invalidate(self):
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# NOTE(jamielennox): Don't allow the default invalidation to occur
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# because on next authentication request we will only get the same
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# auth_ref object again.
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return False
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