heat.common.auth_url

Source code for heat.common.auth_url

#
# Copyright 2013 OpenStack Foundation
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# 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
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#    http://www.apache.org/licenses/LICENSE-2.0
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from oslo_config import cfg
from webob import exc

from heat.common import endpoint_utils
from heat.common.i18n import _
from heat.common import wsgi


[docs]class AuthUrlFilter(wsgi.Middleware): def __init__(self, app, conf): super(AuthUrlFilter, self).__init__(app) self.conf = conf self._auth_url = None @property def auth_url(self): if not self._auth_url: self._auth_url = self._get_auth_url() return self._auth_url def _get_auth_url(self): if 'auth_uri' in self.conf: return self.conf['auth_uri'] else: return endpoint_utils.get_auth_uri(v3=False) def _validate_auth_url(self, auth_url): """Validate auth_url to ensure it can be used.""" if not auth_url: raise exc.HTTPBadRequest(_('Request missing required header ' 'X-Auth-Url')) allowed = cfg.CONF.auth_password.allowed_auth_uris if auth_url not in allowed: raise exc.HTTPUnauthorized(_('Header X-Auth-Url "%s" not ' 'an allowed endpoint') % auth_url) return True
[docs] def process_request(self, req): auth_url = self.auth_url if cfg.CONF.auth_password.multi_cloud: auth_url = req.headers.get('X-Auth-Url') self._validate_auth_url(auth_url) req.headers['X-Auth-Url'] = auth_url return None
[docs]def filter_factory(global_conf, **local_conf): conf = global_conf.copy() conf.update(local_conf) def auth_url_filter(app): return AuthUrlFilter(app, conf) return auth_url_filter
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