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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 keystoneclient.auth.identity import base as base_identity
class _TokenData(object):
"""An abstraction to show auth_token consumers some of the token contents.
This is a simplified and cleaned up keystoneclient.access.AccessInfo object
with which services relying on auth_token middleware can find details of
the current token.
"""
def __init__(self, auth_ref):
self._stored_auth_ref = auth_ref
@property
def _is_v2(self):
return self._stored_auth_ref.version == 'v2.0'
@property
def auth_token(self):
"""The token data used to authenticate requests.
:returns: token data.
:rtype: str
"""
return self._stored_auth_ref.auth_token
@property
def user_id(self):
"""The user id associated with the authentication request.
:rtype: str
"""
return self._stored_auth_ref.user_id
@property
def user_domain_id(self):
"""Returns the domain id of the user associated with the authentication
request.
:returns: str
"""
# NOTE(jamielennox): v2 AccessInfo returns 'default' for domain_id
# because it can't know that value. We want to return None instead.
if self._is_v2:
return None
return self._stored_auth_ref.user_domain_id
@property
def project_id(self):
"""The project ID associated with the authentication.
:rtype: str
"""
return self._stored_auth_ref.project_id
@property
def project_domain_id(self):
"""The domain id of the project associated with the authentication
request.
:rtype: str
"""
# NOTE(jamielennox): v2 AccessInfo returns 'default' for domain_id
# because it can't know that value. We want to return None instead.
if self._is_v2:
return None
return self._stored_auth_ref.project_domain_id
@property
def trust_id(self):
"""Returns the trust id associated with the authentication request..
:rtype: str
"""
return self._stored_auth_ref.trust_id
@property
def role_ids(self):
"""Role ids of the user associated with the authentication request.
:rtype: set(str)
"""
return frozenset(self._stored_auth_ref.role_ids or [])
@property
def role_names(self):
"""Role names of the user associated with the authentication request.
:rtype: set(str)
"""
return frozenset(self._stored_auth_ref.role_names or [])
class UserAuthPlugin(base_identity.BaseIdentityPlugin):
"""The incoming authentication credentials.
A plugin that represents the incoming user credentials. This can be
consumed by applications.
This object is not expected to be constructed directly by users. It is
created and passed by auth_token middleware and then can be used as the
authentication plugin when communicating via a session.
"""
def __init__(self, user_auth_ref, serv_auth_ref):
super(UserAuthPlugin, self).__init__(reauthenticate=False)
self._user_auth_ref = user_auth_ref
self._serv_auth_ref = serv_auth_ref
self._user_data = None
self._serv_data = None
@property
def has_user_token(self):
"""Did this authentication request contained a user auth token."""
return self._user_auth_ref is not None
@property
def user(self):
"""Authentication information about the user token.
Will return None if a user token was not passed with this request.
"""
if not self.has_user_token:
return None
if not self._user_data:
self._user_data = _TokenData(self._user_auth_ref)
return self._user_data
@property
def has_service_token(self):
"""Did this authentication request contained a service token."""
return self._serv_auth_ref is not None
@property
def service(self):
"""Authentication information about the service token.
Will return None if a user token was not passed with this request.
"""
if not self.has_service_token:
return None
if not self._serv_data:
self._serv_data = _TokenData(self._serv_auth_ref)
return self._serv_data
def get_auth_ref(self, session, **kwargs):
# NOTE(jamielennox): We will always use the auth_ref that was
# calculated by the middleware. reauthenticate=False in __init__ should
# ensure that this function is only called on the first access.
return self._user_auth_ref
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