61 lines
1.9 KiB
Python
61 lines
1.9 KiB
Python
# Copyright 2010 OpenStack Foundation
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# All Rights Reserved.
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#
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# Licensed under the Apache License, Version 2.0 (the "License"); you may
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# not use this file except in compliance with the License. You may obtain
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# a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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# License for the specific language governing permissions and limitations
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# under the License.
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"""
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Simplified Common Auth Middleware from cinder.
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"""
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from oslo_config import cfg
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from oslo_log import log as logging
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import webob.dec
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import webob.exc
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import novajoin.base
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from novajoin import context
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CONF = cfg.CONF
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LOG = logging.getLogger(__name__)
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def pipeline_factory(loader, global_conf, **local_conf):
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"""A paste pipeline replica that keys off of auth_strategy."""
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pipeline = local_conf[CONF.auth_strategy]
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if not CONF.api_rate_limit:
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limit_name = CONF.auth_strategy + '_nolimit'
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pipeline = local_conf.get(limit_name, pipeline)
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pipeline = pipeline.split()
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filters = [loader.get_filter(n) for n in pipeline[:-1]]
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app = loader.get_app(pipeline[-1])
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filters.reverse()
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for filt in filters:
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app = filt(app)
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return app
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class JoinKeystoneContext(novajoin.base.Middleware):
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"""Make a request context from keystone headers."""
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@webob.dec.wsgify(RequestClass=novajoin.base.Request)
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def __call__(self, req):
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try:
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ctx = context.RequestContext.from_environ(req.environ)
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except KeyError:
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LOG.debug("Keystone middleware headers not found in request!")
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return webob.exc.HTTPUnauthorized()
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req.environ['novajoin.context'] = ctx
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return self.application
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