41 lines
1.3 KiB
Python
41 lines
1.3 KiB
Python
# Copyright 2017 AT&T Intellectual Property. All other rights reserved.
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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 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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import falcon
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class ContextMiddleware(object):
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def __init__(self, routing_map):
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self.routing_map = routing_map
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def process_request(self, req, resp):
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# Determine whether the method is allowed.
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req_method = req.method
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req_uri = req.uri
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found = False
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for route_pattern, allowed_methods in self.routing_map.items():
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if re.match(route_pattern, req_uri):
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if req_method not in allowed_methods:
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raise falcon.HTTPMethodNotAllowed(allowed_methods)
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else:
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found = True
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break
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if not found:
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raise falcon.HTTPMethodNotAllowed([])
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