35 lines
1.2 KiB
Python
35 lines
1.2 KiB
Python
# Copyright 2012 OpenStack Foundation
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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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from oslo_log import log
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from keystone.common import wsgi
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LOG = log.getLogger(__name__)
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class NormalizingFilter(wsgi.Middleware):
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"""Middleware filter to handle URL normalization."""
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def process_request(self, request):
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"""Normalize URLs."""
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# Removes a trailing slash from the given path, if any.
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if (len(request.environ['PATH_INFO']) > 1 and
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request.environ['PATH_INFO'][-1] == '/'):
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request.environ['PATH_INFO'] = request.environ['PATH_INFO'][:-1]
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# Rewrites path to root if no path is given.
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elif not request.environ['PATH_INFO']:
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request.environ['PATH_INFO'] = '/'
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