37 lines
1.4 KiB
Python
37 lines
1.4 KiB
Python
# Copyright (c) 2010-2017 OpenStack Foundation
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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 re
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from swift.common.wsgi import WSGIContext
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class RewriteContext(WSGIContext):
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base_re = None
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def __init__(self, app, requested, rewritten):
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super(RewriteContext, self).__init__(app)
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self.requested = requested
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self.rewritten_re = re.compile(self.base_re % re.escape(rewritten))
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def handle_request(self, env, start_response):
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resp_iter = self._app_call(env)
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for i, (header, value) in enumerate(self._response_headers):
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if header.lower() in ('location', 'content-location'):
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self._response_headers[i] = (header, self.rewritten_re.sub(
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r'\1%s\2' % self.requested, value))
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start_response(self._response_status, self._response_headers,
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self._response_exc_info)
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return resp_iter
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