/usr/lib/python2.7/dist-packages/neutron/auth.py is in python-neutron 1:2014.1-0ubuntu1.
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# Copyright 2012 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.
from oslo.config import cfg
import webob.dec
import webob.exc
from neutron import context
from neutron.openstack.common import log as logging
from neutron.openstack.common.middleware import request_id
from neutron import wsgi
LOG = logging.getLogger(__name__)
class NeutronKeystoneContext(wsgi.Middleware):
"""Make a request context from keystone headers."""
@webob.dec.wsgify
def __call__(self, req):
# Determine the user ID
user_id = req.headers.get('X_USER_ID')
if not user_id:
LOG.debug(_("X_USER_ID is not found in request"))
return webob.exc.HTTPUnauthorized()
# Determine the tenant
tenant_id = req.headers.get('X_PROJECT_ID')
# Suck out the roles
roles = [r.strip() for r in req.headers.get('X_ROLES', '').split(',')]
# Human-friendly names
tenant_name = req.headers.get('X_PROJECT_NAME')
user_name = req.headers.get('X_USER_NAME')
# Use request_id if already set
req_id = req.environ.get(request_id.ENV_REQUEST_ID)
# Create a context with the authentication data
ctx = context.Context(user_id, tenant_id, roles=roles,
user_name=user_name, tenant_name=tenant_name,
request_id=req_id)
# Inject the context...
req.environ['neutron.context'] = ctx
return self.application
def pipeline_factory(loader, global_conf, **local_conf):
"""Create a paste pipeline based on the 'auth_strategy' config option."""
pipeline = local_conf[cfg.CONF.auth_strategy]
pipeline = pipeline.split()
filters = [loader.get_filter(n) for n in pipeline[:-1]]
app = loader.get_app(pipeline[-1])
filters.reverse()
for filter in filters:
app = filter(app)
return app
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