11c1b62052
Since i18n.install() is deprecated, remove it from heat codes and import i18n._() to where it needed. blueprint oslo-i18n Change-Id: Icefada18b5a33112b425cd90d31d3a6a5f06188a
73 lines
2.1 KiB
Python
73 lines
2.1 KiB
Python
#
|
|
# Copyright (C) 2012, Red Hat, 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.
|
|
|
|
"""
|
|
Middleware for authenticating against custom backends.
|
|
"""
|
|
|
|
import logging
|
|
|
|
import webob.exc
|
|
|
|
from heat.common.i18n import _
|
|
from heat.openstack.common import local
|
|
from heat.rpc import client as rpc_client
|
|
|
|
LOG = logging.getLogger(__name__)
|
|
|
|
|
|
class AuthProtocol(object):
|
|
def __init__(self, app, conf):
|
|
self.conf = conf
|
|
self.app = app
|
|
self.rpc_client = rpc_client.EngineClient()
|
|
|
|
def __call__(self, env, start_response):
|
|
"""
|
|
Handle incoming request.
|
|
|
|
Authenticate send downstream on success. Reject request if
|
|
we can't authenticate.
|
|
"""
|
|
LOG.debug('Authenticating user token')
|
|
context = local.store.context
|
|
authenticated = self.rpc_client.authenticated_to_backend(context)
|
|
if authenticated:
|
|
return self.app(env, start_response)
|
|
else:
|
|
return self._reject_request(env, start_response)
|
|
|
|
def _reject_request(self, env, start_response):
|
|
"""
|
|
Redirect client to auth server.
|
|
|
|
:param env: wsgi request environment
|
|
:param start_response: wsgi response callback
|
|
:returns HTTPUnauthorized http response
|
|
"""
|
|
resp = webob.exc.HTTPUnauthorized(_("Backend authentication failed"),
|
|
[])
|
|
return resp(env, start_response)
|
|
|
|
|
|
def filter_factory(global_conf, **local_conf):
|
|
conf = global_conf.copy()
|
|
conf.update(local_conf)
|
|
|
|
def auth_filter(app):
|
|
return AuthProtocol(app, conf)
|
|
return auth_filter
|