142 lines
5.2 KiB
Python
142 lines
5.2 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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"""Main entry point into the Revoke service."""
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from keystone.common import cache
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from keystone.common import manager
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import keystone.conf
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from keystone import exception
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from keystone.i18n import _
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from keystone.models import revoke_model
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from keystone import notifications
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CONF = keystone.conf.CONF
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# This builds a discrete cache region dedicated to revoke events. The API can
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# return a filtered list based upon last fetchtime. This is deprecated but
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# must be maintained.
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REVOKE_REGION = cache.create_region(name='revoke')
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MEMOIZE = cache.get_memoization_decorator(
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group='revoke',
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region=REVOKE_REGION)
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class Manager(manager.Manager):
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"""Default pivot point for the Revoke backend.
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Performs common logic for recording revocations.
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See :mod:`keystone.common.manager.Manager` for more details on
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how this dynamically calls the backend.
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"""
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driver_namespace = 'keystone.revoke'
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_provides_api = 'revoke_api'
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def __init__(self):
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super(Manager, self).__init__(CONF.revoke.driver)
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self._register_listeners()
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self.model = revoke_model
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@MEMOIZE
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def _list_events(self, last_fetch):
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return self.driver.list_events(last_fetch)
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def list_events(self, last_fetch=None):
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return self._list_events(last_fetch)
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def _user_callback(self, service, resource_type, operation,
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payload):
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self.revoke_by_user(payload['resource_info'])
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def _project_callback(self, service, resource_type, operation,
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payload):
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self.revoke(
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revoke_model.RevokeEvent(project_id=payload['resource_info']))
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def _trust_callback(self, service, resource_type, operation,
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payload):
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self.revoke(
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revoke_model.RevokeEvent(trust_id=payload['resource_info']))
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def _consumer_callback(self, service, resource_type, operation,
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payload):
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self.revoke(
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revoke_model.RevokeEvent(consumer_id=payload['resource_info']))
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def _register_listeners(self):
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callbacks = {
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notifications.ACTIONS.deleted: [
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['OS-TRUST:trust', self._trust_callback],
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['OS-OAUTH1:consumer', self._consumer_callback],
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['user', self._user_callback],
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['project', self._project_callback],
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],
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notifications.ACTIONS.disabled: [
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['user', self._user_callback]
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],
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notifications.ACTIONS.internal: [
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[notifications.PERSIST_REVOCATION_EVENT_FOR_USER,
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self._user_callback],
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]
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}
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for event, cb_info in callbacks.items():
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for resource_type, callback_fns in cb_info:
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notifications.register_event_callback(event, resource_type,
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callback_fns)
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def revoke_by_user(self, user_id):
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return self.revoke(revoke_model.RevokeEvent(user_id=user_id))
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def _assert_not_domain_and_project_scoped(self, domain_id=None,
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project_id=None):
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if domain_id is not None and project_id is not None:
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msg = _('The revoke call must not have both domain_id and '
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'project_id. This is a bug in the Keystone server. The '
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'current request is aborted.')
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raise exception.UnexpectedError(exception=msg)
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def revoke_by_audit_id(self, audit_id):
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self.revoke(revoke_model.RevokeEvent(audit_id=audit_id))
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def revoke_by_audit_chain_id(self, audit_chain_id, project_id=None,
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domain_id=None):
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self._assert_not_domain_and_project_scoped(domain_id=domain_id,
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project_id=project_id)
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self.revoke(revoke_model.RevokeEvent(audit_chain_id=audit_chain_id,
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domain_id=domain_id,
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project_id=project_id))
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def check_token(self, token):
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"""Check the values from a token against the revocation list.
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:param token: dictionary of values from a token, normalized for
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differences between v2 and v3. The checked values
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are a subset of the attributes of model.TokenEvent
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:raises keystone.exception.TokenNotFound: If the token is invalid.
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"""
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if revoke_model.is_revoked(self.driver.list_events(token=token),
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token):
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raise exception.TokenNotFound(_('Failed to validate token'))
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def revoke(self, event):
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self.driver.revoke(event)
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REVOKE_REGION.invalidate()
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