# Copyright 2013 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 datetime
import random as _random
import uuid
from oslo_serialization import jsonutils
from oslo_utils import timeutils
from keystone.common import sql
from keystone.common import utils
from keystone import exception
from keystone.i18n import _
from keystone.oauth1 import core
random = _random.SystemRandom()
class Consumer(sql.ModelBase, sql.DictBase):
__tablename__ = 'consumer'
attributes = ['id', 'description', 'secret']
id = sql.Column(sql.String(64), primary_key=True, nullable=False)
description = sql.Column(sql.String(64), nullable=True)
secret = sql.Column(sql.String(64), nullable=False)
extra = sql.Column(sql.JsonBlob(), nullable=False)
class RequestToken(sql.ModelBase, sql.DictBase):
__tablename__ = 'request_token'
attributes = ['id', 'request_secret',
'verifier', 'authorizing_user_id', 'requested_project_id',
'role_ids', 'consumer_id', 'expires_at']
id = sql.Column(sql.String(64), primary_key=True, nullable=False)
request_secret = sql.Column(sql.String(64), nullable=False)
verifier = sql.Column(sql.String(64), nullable=True)
authorizing_user_id = sql.Column(sql.String(64), nullable=True)
requested_project_id = sql.Column(sql.String(64), nullable=False)
role_ids = sql.Column(sql.Text(), nullable=True)
consumer_id = sql.Column(sql.String(64), sql.ForeignKey('consumer.id'),
nullable=False, index=True)
expires_at = sql.Column(sql.String(64), nullable=True)
@classmethod
def from_dict(cls, user_dict):
return cls(**user_dict)
def to_dict(self):
return dict(self.items())
class AccessToken(sql.ModelBase, sql.DictBase):
__tablename__ = 'access_token'
attributes = ['id', 'access_secret', 'authorizing_user_id',
'project_id', 'role_ids', 'consumer_id',
'expires_at']
id = sql.Column(sql.String(64), primary_key=True, nullable=False)
access_secret = sql.Column(sql.String(64), nullable=False)
authorizing_user_id = sql.Column(sql.String(64), nullable=False,
index=True)
project_id = sql.Column(sql.String(64), nullable=False)
role_ids = sql.Column(sql.Text(), nullable=False)
consumer_id = sql.Column(sql.String(64), sql.ForeignKey('consumer.id'),
nullable=False)
expires_at = sql.Column(sql.String(64), nullable=True)
@classmethod
def from_dict(cls, user_dict):
return cls(**user_dict)
def to_dict(self):
return dict(self.items())
class OAuth1(core.Oauth1DriverV8):
def _get_consumer(self, session, consumer_id):
consumer_ref = session.query(Consumer).get(consumer_id)
if consumer_ref is None:
raise exception.NotFound(_('Consumer not found'))
return consumer_ref
def get_consumer_with_secret(self, consumer_id):
with sql.session_for_read() as session:
consumer_ref = self._get_consumer(session, consumer_id)
return consumer_ref.to_dict()
def get_consumer(self, consumer_id):
return core.filter_consumer(
self.get_consumer_with_secret(consumer_id))
def create_consumer(self, consumer_ref):
with sql.session_for_write() as session:
consumer = Consumer.from_dict(consumer_ref)
session.add(consumer)
return consumer.to_dict()
def _delete_consumer(self, session, consumer_id):
consumer_ref = self._get_consumer(session, consumer_id)
session.delete(consumer_ref)
def _delete_request_tokens(self, session, consumer_id):
q = session.query(RequestToken)
req_tokens = q.filter_by(consumer_id=consumer_id)
req_tokens_list = set([x.id for x in req_tokens])
for token_id in req_tokens_list:
token_ref = self._get_request_token(session, token_id)
session.delete(token_ref)
def _delete_access_tokens(self, session, consumer_id):
q = session.query(AccessToken)
acc_tokens = q.filter_by(consumer_id=consumer_id)
acc_tokens_list = set([x.id for x in acc_tokens])
for token_id in acc_tokens_list:
token_ref = self._get_access_token(session, token_id)
session.delete(token_ref)
def delete_consumer(self, consumer_id):
with sql.session_for_write() as session:
self._delete_request_tokens(session, consumer_id)
self._delete_access_tokens(session, consumer_id)
self._delete_consumer(session, consumer_id)
def list_consumers(self):
with sql.session_for_read() as session:
cons = session.query(Consumer)
return [core.filter_consumer(x.to_dict()) for x in cons]
def update_consumer(self, consumer_id, consumer_ref):
with sql.session_for_write() as session:
consumer = self._get_consumer(session, consumer_id)
old_consumer_dict = consumer.to_dict()
old_consumer_dict.update(consumer_ref)
new_consumer = Consumer.from_dict(old_consumer_dict)
consumer.description = new_consumer.description
consumer.extra = new_consumer.extra
return core.filter_consumer(consumer.to_dict())
def create_request_token(self, consumer_id, requested_project,
request_token_duration):
request_token_id = uuid.uuid4().hex
request_token_secret = uuid.uuid4().hex
expiry_date = None
if request_token_duration:
now = timeutils.utcnow()
future = now + datetime.timedelta(seconds=request_token_duration)
expiry_date = utils.isotime(future, subsecond=True)
ref = {}
ref['id'] = request_token_id
ref['request_secret'] = request_token_secret
ref['verifier'] = None
ref['authorizing_user_id'] = None
ref['requested_project_id'] = requested_project
ref['role_ids'] = None
ref['consumer_id'] = consumer_id
ref['expires_at'] = expiry_date
with sql.session_for_write() as session:
token_ref = RequestToken.from_dict(ref)
session.add(token_ref)
return token_ref.to_dict()
def _get_request_token(self, session, request_token_id):
token_ref = session.query(RequestToken).get(request_token_id)
if token_ref is None:
raise exception.NotFound(_('Request token not found'))
return token_ref
def get_request_token(self, request_token_id):
with sql.session_for_read() as session:
token_ref = self._get_request_token(session, request_token_id)
return token_ref.to_dict()
def authorize_request_token(self, request_token_id, user_id,
role_ids):
with sql.session_for_write() as session:
token_ref = self._get_request_token(session, request_token_id)
token_dict = token_ref.to_dict()
token_dict['authorizing_user_id'] = user_id
token_dict['verifier'] = ''.join(random.sample(core.VERIFIER_CHARS,
8))
token_dict['role_ids'] = jsonutils.dumps(role_ids)
new_token = RequestToken.from_dict(token_dict)
for attr in RequestToken.attributes:
if (attr == 'authorizing_user_id' or attr == 'verifier'
or attr == 'role_ids'):
setattr(token_ref, attr, getattr(new_token, attr))
return token_ref.to_dict()
def create_access_token(self, request_id, access_token_duration):
access_token_id = uuid.uuid4().hex
access_token_secret = uuid.uuid4().hex
with sql.session_for_write() as session:
req_token_ref = self._get_request_token(session, request_id)
token_dict = req_token_ref.to_dict()
expiry_date = None
if access_token_duration:
now = timeutils.utcnow()
future = (now +
datetime.timedelta(seconds=access_token_duration))
expiry_date = utils.isotime(future, subsecond=True)
# add Access Token
ref = {}
ref['id'] = access_token_id
ref['access_secret'] = access_token_secret
ref['authorizing_user_id'] = token_dict['authorizing_user_id']
ref['project_id'] = token_dict['requested_project_id']
ref['role_ids'] = token_dict['role_ids']
ref['consumer_id'] = token_dict['consumer_id']
ref['expires_at'] = expiry_date
token_ref = AccessToken.from_dict(ref)
session.add(token_ref)
# remove request token, it's been used
session.delete(req_token_ref)
return token_ref.to_dict()
def _get_access_token(self, session, access_token_id):
token_ref = session.query(AccessToken).get(access_token_id)
if token_ref is None:
raise exception.NotFound(_('Access token not found'))
return token_ref
def get_access_token(self, access_token_id):
with sql.session_for_read() as session:
token_ref = self._get_access_token(session, access_token_id)
return token_ref.to_dict()
def list_access_tokens(self, user_id):
with sql.session_for_read() as session:
q = session.query(AccessToken)
user_auths = q.filter_by(authorizing_user_id=user_id)
return [core.filter_token(x.to_dict()) for x in user_auths]
def delete_access_token(self, user_id, access_token_id):
with sql.session_for_write() as session:
token_ref = self._get_access_token(session, access_token_id)
token_dict = token_ref.to_dict()
if token_dict['authorizing_user_id'] != user_id:
raise exception.Unauthorized(_('User IDs do not match'))
session.delete(token_ref)