71 lines
2.3 KiB
Python
71 lines
2.3 KiB
Python
# Copyright (c) 2013 Mirantis Inc.
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain 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,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
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# implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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import webob.exc as ex
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from savanna.openstack.common import log as logging
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import savanna.openstack.commons as commons
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LOG = logging.getLogger(__name__)
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class AuthValidator:
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"""Handles token auth results and tenants."""
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def __init__(self, app, conf):
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self.app = app
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self.conf = conf
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def __call__(self, env, start_response):
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"""Ensures that tenants in url and token are equal.
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Handle incoming request by checking tenant info prom the headers and
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url ({tenant_id} url attribute).
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Pass request downstream on success.
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Reject request if tenant_id from headers not equals to tenant_id from
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url.
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"""
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token_tenant = env['HTTP_X_TENANT_ID']
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if not token_tenant:
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LOG.warn("Can't get tenant_id from env")
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resp = ex.HTTPServiceUnavailable()
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return resp(env, start_response)
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path = env['PATH_INFO']
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if path != '/':
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version, url_tenant, rest = commons.split_path(path, 3, 3, True)
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if not version or not url_tenant or not rest:
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LOG.info("Incorrect path: %s", path)
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resp = ex.HTTPNotFound("Incorrect path")
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return resp(env, start_response)
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if token_tenant != url_tenant:
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LOG.debug("Unauthorized: token tenant != requested tenant")
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resp = ex.HTTPUnauthorized('Token tenant != requested tenant')
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return resp(env, start_response)
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return self.app(env, start_response)
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def filter_factory(global_conf, **local_conf):
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conf = global_conf.copy()
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conf.update(local_conf)
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def auth_filter(app):
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return AuthValidator(app, conf)
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return auth_filter
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