keystone/keystone/token/backends/sql.py

84 lines
2.6 KiB
Python

# vim: tabstop=4 shiftwidth=4 softtabstop=4
# Copyright 2012 OpenStack LLC
#
# 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
import datetime
from keystone.common import sql
from keystone import exception
from keystone import token
class TokenModel(sql.ModelBase, sql.DictBase):
__tablename__ = 'token'
id = sql.Column(sql.String(64), primary_key=True)
expires = sql.Column(sql.DateTime(), default=None)
extra = sql.Column(sql.JsonBlob())
@classmethod
def from_dict(cls, token_dict):
# shove any non-indexed properties into extra
extra = copy.deepcopy(token_dict)
data = {}
for k in ('id', 'expires'):
data[k] = extra.pop(k, None)
data['extra'] = extra
return cls(**data)
def to_dict(self):
out = copy.deepcopy(self.extra)
out['id'] = self.id
out['expires'] = self.expires
return out
class Token(sql.Base, token.Driver):
# Public interface
def get_token(self, token_id):
session = self.get_session()
token_ref = session.query(TokenModel).filter_by(id=token_id).first()
now = datetime.datetime.now()
if token_ref and (not token_ref.expires or now < token_ref.expires):
return token_ref.to_dict()
else:
raise exception.TokenNotFound(token_id=token_id)
def create_token(self, token_id, data):
data_copy = copy.deepcopy(data)
if 'expires' not in data_copy:
data_copy['expires'] = self._get_default_expire_time()
token_ref = TokenModel.from_dict(data_copy)
token_ref.id = token_id
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()
token_ref = session.query(TokenModel)\
.filter_by(id=token_id)\
.first()
if not token_ref:
raise exception.TokenNotFound(token_id=token_id)
with session.begin():
session.delete(token_ref)
session.flush()