OpenStack Identity (Keystone)
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# vim: tabstop=4 shiftwidth=4 softtabstop=4
# Copyright 2012 OpenStack Foundation
#
# 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.
import copy
from keystone.common import sql
from keystone import exception
from keystone.openstack.common import timeutils
from keystone import token
class TokenModel(sql.ModelBase, sql.DictBase):
__tablename__ = 'token'
attributes = ['id', 'expires', 'user_id', 'trust_id']
id = sql.Column(sql.String(64), primary_key=True)
expires = sql.Column(sql.DateTime(), default=None)
extra = sql.Column(sql.JsonBlob())
valid = sql.Column(sql.Boolean(), default=True, nullable=False)
user_id = sql.Column(sql.String(64))
trust_id = sql.Column(sql.String(64))
__table_args__ = (
sql.Index('ix_token_expires', 'expires'),
sql.Index('ix_token_valid', 'valid'),
sql.Index('ix_token_expires_valid', 'expires', 'valid')
)
class Token(sql.Base, token.Driver):
# Public interface
def get_token(self, token_id):
if token_id is None:
raise exception.TokenNotFound(token_id=token_id)
session = self.get_session()
token_ref = session.query(TokenModel).get(token_id)
if not token_ref or not token_ref.valid:
raise exception.TokenNotFound(token_id=token_id)
return token_ref.to_dict()
def create_token(self, token_id, data):
data_copy = copy.deepcopy(data)
if not data_copy.get('expires'):
data_copy['expires'] = token.default_expire_time()
if not data_copy.get('user_id'):
data_copy['user_id'] = data_copy['user']['id']
token_ref = TokenModel.from_dict(data_copy)
token_ref.valid = True
session = self.get_session()
with session.begin():
session.add(token_ref)
session.flush()
return token_ref.to_dict()
def delete_token(self, token_id):
session = self.get_session()
with session.begin():
token_ref = session.query(TokenModel).get(token_id)
if not token_ref or not token_ref.valid:
raise exception.TokenNotFound(token_id=token_id)
token_ref.valid = False
session.flush()
def delete_tokens(self, user_id, tenant_id=None, trust_id=None,
consumer_id=None):
"""Deletes all tokens in one session
The user_id will be ignored if the trust_id is specified. user_id
will always be specified.
If using a trust, the token's user_id is set to the trustee's user ID
or the trustor's user ID, so will use trust_id to query the tokens.
"""
session = self.get_session()
with session.begin():
now = timeutils.utcnow()
query = session.query(TokenModel)
query = query.filter_by(valid=True)
query = query.filter(TokenModel.expires > now)
if trust_id:
query = query.filter(TokenModel.trust_id == trust_id)
else:
query = query.filter(TokenModel.user_id == user_id)
for token_ref in query.all():
if tenant_id:
token_ref_dict = token_ref.to_dict()
if not self._tenant_matches(tenant_id, token_ref_dict):
continue
if consumer_id:
token_ref_dict = token_ref.to_dict()
if not self._consumer_matches(consumer_id, token_ref_dict):
continue
token_ref.valid = False
session.flush()
def _tenant_matches(self, tenant_id, token_ref_dict):
return ((tenant_id is None) or
(token_ref_dict.get('tenant') and
token_ref_dict['tenant'].get('id') == tenant_id))
def _consumer_matches(self, consumer_id, ref):
if consumer_id is None:
return True
else:
try:
oauth = ref['token_data']['token'].get('OS-OAUTH1', {})
return oauth and oauth['consumer_id'] == consumer_id
except KeyError:
return False
def _list_tokens_for_trust(self, trust_id):
session = self.get_session()
tokens = []
now = timeutils.utcnow()
query = session.query(TokenModel)
query = query.filter(TokenModel.expires > now)
query = query.filter(TokenModel.trust_id == trust_id)
token_references = query.filter_by(valid=True)
for token_ref in token_references:
token_ref_dict = token_ref.to_dict()
tokens.append(token_ref_dict['id'])
return tokens
def _list_tokens_for_user(self, user_id, tenant_id=None):
session = self.get_session()
tokens = []
now = timeutils.utcnow()
query = session.query(TokenModel)
query = query.filter(TokenModel.expires > now)
query = query.filter(TokenModel.user_id == user_id)
token_references = query.filter_by(valid=True)
for token_ref in token_references:
token_ref_dict = token_ref.to_dict()
if self._tenant_matches(tenant_id, token_ref_dict):
tokens.append(token_ref['id'])
return tokens
def _list_tokens_for_consumer(self, user_id, consumer_id):
tokens = []
session = self.get_session()
with session.begin():
now = timeutils.utcnow()
query = session.query(TokenModel)
query = query.filter(TokenModel.expires > now)
query = query.filter(TokenModel.user_id == user_id)
token_references = query.filter_by(valid=True)
for token_ref in token_references:
token_ref_dict = token_ref.to_dict()
if self._consumer_matches(consumer_id, token_ref_dict):
tokens.append(token_ref_dict['id'])
session.flush()
return tokens
def list_tokens(self, user_id, tenant_id=None, trust_id=None,
consumer_id=None):
if trust_id:
return self._list_tokens_for_trust(trust_id)
if consumer_id:
return self._list_tokens_for_consumer(user_id, consumer_id)
else:
return self._list_tokens_for_user(user_id, tenant_id)
def list_revoked_tokens(self):
session = self.get_session()
tokens = []
now = timeutils.utcnow()
query = session.query(TokenModel.id, TokenModel.expires)
query = query.filter(TokenModel.expires > now)
token_references = query.filter_by(valid=False)
for token_ref in token_references:
record = {
'id': token_ref[0],
'expires': token_ref[1],
}
tokens.append(record)
return tokens
def flush_expired_tokens(self):
session = self.get_session()
query = session.query(TokenModel)
query = query.filter(TokenModel.expires < timeutils.utcnow())
query.delete(synchronize_session=False)
session.flush()