deb-sahara/sahara/api/acl.py
Sergey Reshetnyak 64583e4b83 Use api-paste.ini for loading middleware
Changes:
* use api-paste.ini config for loading middleware
* refactoring middlewares to support loading via pastedeploy
* use debug middleware from oslo_middleware library instead log_exchange
  middleware

Closes-bug: #1503983
Closes-bug: #1361360

Change-Id: I444c1799ef53dbb19a601e51dd95cd8509fb1c0c
2015-10-13 16:04:22 +03:00

47 lines
1.2 KiB
Python

#
# Copyright (c) 2014 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.
"""Policy Engine For Sahara"""
import functools
from oslo_config import cfg
from oslo_policy import policy
from sahara import context
from sahara import exceptions
ENFORCER = None
def setup_policy():
global ENFORCER
ENFORCER = policy.Enforcer(cfg.CONF)
def enforce(rule):
def decorator(func):
@functools.wraps(func)
def handler(*args, **kwargs):
ctx = context.ctx()
ENFORCER.enforce(rule, {}, ctx.to_dict(), do_raise=True,
exc=exceptions.Forbidden)
return func(*args, **kwargs)
return handler
return decorator