murano/muranoapi/utils.py

47 lines
1.7 KiB
Python

# Copyright (c) 2013 Mirantis, Inc.
#
# 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 functools
import logging
from muranoapi.db.services.sessions import SessionServices, SessionState
from webob import exc
from muranoapi.db.models import Session
from muranoapi.db.session import get_session
log = logging.getLogger(__name__)
def verify_session(func):
@functools.wraps(func)
def __inner(self, request, *args, **kwargs):
if not hasattr(request, 'context') and not request.context.session:
log.info('Session is required for this call')
raise exc.HTTPForbidden()
session_id = request.context.session
unit = get_session()
session = unit.query(Session).get(session_id)
if not SessionServices.validate(session):
log.info('Session <SessionId {0}> is invalid'.format(session_id))
raise exc.HTTPForbidden()
if session.state == SessionState.deploying:
log.info('Session <SessionId {0}> is already in '
'deployment state'.format(session_id))
raise exc.HTTPForbidden()
return func(self, request, *args, **kwargs)
return __inner