70 lines
2.4 KiB
Python
70 lines
2.4 KiB
Python
# Copyright 2015 Christoph Gysin <christoph.gysin@gmail.com>
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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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import logging
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import requests
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from six.moves.urllib import parse as urlparse
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class FormAuth(requests.auth.AuthBase):
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def __init__(self, username, password):
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self.username = username
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self.password = password
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self.log = logging.getLogger('gertty.auth')
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def _retry_using_form_auth(self, response, args):
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adapter = requests.adapters.HTTPAdapter()
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request = _copy_request(response.request)
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u = urlparse.urlparse(response.url)
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url = urlparse.urlunparse([u.scheme, u.netloc, '/login',
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None, None, None])
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auth = {'username': self.username,
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'password': self.password}
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request2 = requests.Request('POST', url, data=auth).prepare()
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response2 = adapter.send(request2, **args)
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if response2.status_code == 401:
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self.log.error('Login failed: Invalid username or password?')
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return response
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cookie = response2.headers.get('set-cookie')
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if cookie is not None:
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request.headers['Cookie'] = cookie
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response3 = adapter.send(request, **args)
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return response3
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def _response_hook(self, response, **kwargs):
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if response.status_code == 401:
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return self._retry_using_form_auth(response, kwargs)
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return response
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def __call__(self, request):
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request.headers["Connection"] = "Keep-Alive"
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request.register_hook('response', self._response_hook)
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return request
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def _copy_request(request):
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new_request = requests.PreparedRequest()
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new_request.method = request.method
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new_request.url = request.url
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new_request.body = request.body
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new_request.hooks = request.hooks
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new_request.headers = request.headers.copy()
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return new_request
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