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diff --git a/keystone-moon/keystone/revoke/core.py b/keystone-moon/keystone/revoke/core.py
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+++ b/keystone-moon/keystone/revoke/core.py
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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.
+
+"""Main entry point into the Revoke service."""
+
+import abc
+import datetime
+
+from oslo_config import cfg
+from oslo_log import versionutils
+from oslo_utils import timeutils
+import six
+
+from keystone.common import cache
+from keystone.common import dependency
+from keystone.common import extension
+from keystone.common import manager
+from keystone import exception
+from keystone.i18n import _
+from keystone.models import revoke_model
+from keystone import notifications
+
+
+CONF = cfg.CONF
+
+
+EXTENSION_DATA = {
+    'name': 'OpenStack Revoke API',
+    'namespace': 'http://docs.openstack.org/identity/api/ext/'
+                 'OS-REVOKE/v1.0',
+    'alias': 'OS-REVOKE',
+    'updated': '2014-02-24T20:51:0-00:00',
+    'description': 'OpenStack revoked token reporting mechanism.',
+    'links': [
+        {
+            'rel': 'describedby',
+            'type': 'text/html',
+            'href': 'http://specs.openstack.org/openstack/keystone-specs/api/'
+                    'v3/identity-api-v3-os-revoke-ext.html',
+        }
+    ]}
+extension.register_admin_extension(EXTENSION_DATA['alias'], EXTENSION_DATA)
+extension.register_public_extension(EXTENSION_DATA['alias'], EXTENSION_DATA)
+
+MEMOIZE = cache.get_memoization_decorator(group='revoke')
+
+
+def revoked_before_cutoff_time():
+    expire_delta = datetime.timedelta(
+        seconds=CONF.token.expiration + CONF.revoke.expiration_buffer)
+    oldest = timeutils.utcnow() - expire_delta
+    return oldest
+
+
+@dependency.provider('revoke_api')
+class Manager(manager.Manager):
+    """Default pivot point for the Revoke backend.
+
+    Performs common logic for recording revocations.
+
+    See :mod:`keystone.common.manager.Manager` for more details on
+    how this dynamically calls the backend.
+
+    """
+
+    driver_namespace = 'keystone.revoke'
+
+    def __init__(self):
+        super(Manager, self).__init__(CONF.revoke.driver)
+        self._register_listeners()
+        self.model = revoke_model
+
+    def _user_callback(self, service, resource_type, operation,
+                       payload):
+        self.revoke_by_user(payload['resource_info'])
+
+    def _role_callback(self, service, resource_type, operation,
+                       payload):
+        self.revoke(
+            revoke_model.RevokeEvent(role_id=payload['resource_info']))
+
+    def _project_callback(self, service, resource_type, operation,
+                          payload):
+        self.revoke(
+            revoke_model.RevokeEvent(project_id=payload['resource_info']))
+
+    def _domain_callback(self, service, resource_type, operation,
+                         payload):
+        self.revoke(
+            revoke_model.RevokeEvent(domain_id=payload['resource_info']))
+
+    def _trust_callback(self, service, resource_type, operation,
+                        payload):
+        self.revoke(
+            revoke_model.RevokeEvent(trust_id=payload['resource_info']))
+
+    def _consumer_callback(self, service, resource_type, operation,
+                           payload):
+        self.revoke(
+            revoke_model.RevokeEvent(consumer_id=payload['resource_info']))
+
+    def _access_token_callback(self, service, resource_type, operation,
+                               payload):
+        self.revoke(
+            revoke_model.RevokeEvent(access_token_id=payload['resource_info']))
+
+    def _role_assignment_callback(self, service, resource_type, operation,
+                                  payload):
+        info = payload['resource_info']
+        self.revoke_by_grant(role_id=info['role_id'], user_id=info['user_id'],
+                             domain_id=info.get('domain_id'),
+                             project_id=info.get('project_id'))
+
+    def _register_listeners(self):
+        callbacks = {
+            notifications.ACTIONS.deleted: [
+                ['OS-TRUST:trust', self._trust_callback],
+                ['OS-OAUTH1:consumer', self._consumer_callback],
+                ['OS-OAUTH1:access_token', self._access_token_callback],
+                ['role', self._role_callback],
+                ['user', self._user_callback],
+                ['project', self._project_callback],
+                ['role_assignment', self._role_assignment_callback]
+            ],
+            notifications.ACTIONS.disabled: [
+                ['user', self._user_callback],
+                ['project', self._project_callback],
+                ['domain', self._domain_callback],
+            ],
+            notifications.ACTIONS.internal: [
+                [notifications.INVALIDATE_USER_TOKEN_PERSISTENCE,
+                 self._user_callback],
+            ]
+        }
+
+        for event, cb_info in callbacks.items():
+            for resource_type, callback_fns in cb_info:
+                notifications.register_event_callback(event, resource_type,
+                                                      callback_fns)
+
+    def revoke_by_user(self, user_id):
+        return self.revoke(revoke_model.RevokeEvent(user_id=user_id))
+
+    def _assert_not_domain_and_project_scoped(self, domain_id=None,
+                                              project_id=None):
+        if domain_id is not None and project_id is not None:
+            msg = _('The revoke call must not have both domain_id and '
+                    'project_id. This is a bug in the Keystone server. The '
+                    'current request is aborted.')
+            raise exception.UnexpectedError(exception=msg)
+
+    @versionutils.deprecated(as_of=versionutils.deprecated.JUNO,
+                             remove_in=0)
+    def revoke_by_expiration(self, user_id, expires_at,
+                             domain_id=None, project_id=None):
+
+        self._assert_not_domain_and_project_scoped(domain_id=domain_id,
+                                                   project_id=project_id)
+
+        self.revoke(
+            revoke_model.RevokeEvent(user_id=user_id,
+                                     expires_at=expires_at,
+                                     domain_id=domain_id,
+                                     project_id=project_id))
+
+    def revoke_by_audit_id(self, audit_id):
+        self.revoke(revoke_model.RevokeEvent(audit_id=audit_id))
+
+    def revoke_by_audit_chain_id(self, audit_chain_id, project_id=None,
+                                 domain_id=None):
+
+        self._assert_not_domain_and_project_scoped(domain_id=domain_id,
+                                                   project_id=project_id)
+
+        self.revoke(revoke_model.RevokeEvent(audit_chain_id=audit_chain_id,
+                                             domain_id=domain_id,
+                                             project_id=project_id))
+
+    def revoke_by_grant(self, role_id, user_id=None,
+                        domain_id=None, project_id=None):
+        self.revoke(
+            revoke_model.RevokeEvent(user_id=user_id,
+                                     role_id=role_id,
+                                     domain_id=domain_id,
+                                     project_id=project_id))
+
+    def revoke_by_user_and_project(self, user_id, project_id):
+        self.revoke(
+            revoke_model.RevokeEvent(project_id=project_id, user_id=user_id))
+
+    def revoke_by_project_role_assignment(self, project_id, role_id):
+        self.revoke(revoke_model.RevokeEvent(project_id=project_id,
+                                             role_id=role_id))
+
+    def revoke_by_domain_role_assignment(self, domain_id, role_id):
+        self.revoke(revoke_model.RevokeEvent(domain_id=domain_id,
+                                             role_id=role_id))
+
+    @MEMOIZE
+    def _get_revoke_tree(self):
+        events = self.driver.list_events()
+        revoke_tree = revoke_model.RevokeTree(revoke_events=events)
+
+        return revoke_tree
+
+    def check_token(self, token_values):
+        """Checks the values from a token against the revocation list
+
+        :param token_values: dictionary of values from a token, normalized for
+                             differences between v2 and v3. The checked values
+                             are a subset of the attributes of model.TokenEvent
+
+        :raises keystone.exception.TokenNotFound: If the token is invalid.
+
+        """
+        if self._get_revoke_tree().is_revoked(token_values):
+            raise exception.TokenNotFound(_('Failed to validate token'))
+
+    def revoke(self, event):
+        self.driver.revoke(event)
+        self._get_revoke_tree.invalidate(self)
+
+
+@six.add_metaclass(abc.ABCMeta)
+class RevokeDriverV8(object):
+    """Interface for recording and reporting revocation events."""
+
+    @abc.abstractmethod
+    def list_events(self, last_fetch=None):
+        """return the revocation events, as a list of objects
+
+        :param last_fetch:   Time of last fetch.  Return all events newer.
+        :returns: A list of keystone.revoke.model.RevokeEvent
+                  newer than `last_fetch.`
+                  If no last_fetch is specified, returns all events
+                  for tokens issued after the expiration cutoff.
+
+        """
+        raise exception.NotImplemented()  # pragma: no cover
+
+    @abc.abstractmethod
+    def revoke(self, event):
+        """register a revocation event
+
+        :param event: An instance of
+            keystone.revoke.model.RevocationEvent
+
+        """
+        raise exception.NotImplemented()  # pragma: no cover
+
+
+Driver = manager.create_legacy_driver(RevokeDriverV8)