deb-murano/murano/api/middleware/context.py
Nikolay Starodubtsev b985627eaa Add middleware for external requests
New middleware will solve the problem with non-Openstack requests by
adding some minimal required headers.

Change-Id: I49986e73d0eb3da1ce13d22771c6bcb5a28ba846
Implements: bp external-request-middleware
2015-11-11 12:31:30 +03:00

60 lines
2.1 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.
from oslo_config import cfg
from oslo_middleware import request_id as oslo_request_id
from murano.common.i18n import _
from murano.common import wsgi
import murano.context
context_opts = [
cfg.StrOpt('admin_role', default='admin',
help=_('Role used to identify an authenticated user as '
'administrator.'))]
CONF = cfg.CONF
CONF.register_opts(context_opts)
CONF = cfg.CONF
class ContextMiddleware(wsgi.Middleware):
def process_request(self, req):
"""Convert authentication information into a request context
Generate a murano.context.RequestContext object from the available
authentication headers and store on the 'context' attribute
of the req object.
:param req: wsgi request object that will be given the context object
"""
roles = [r.strip() for r in req.headers.get('X-Roles').split(',')]
kwargs = {
'user': req.headers.get('X-User-Id'),
'tenant': req.headers.get('X-Tenant-Id'),
'auth_token': req.headers.get('X-Auth-Token'),
'session': req.headers.get('X-Configuration-Session'),
'is_admin': CONF.admin_role in roles,
'request_id': req.environ.get(oslo_request_id.ENV_REQUEST_ID),
'roles': roles
}
req.context = murano.context.RequestContext(**kwargs)
@classmethod
def factory(cls, global_conf, **local_conf):
def filter(app):
return cls(app)
return filter