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# Copyright 2015 Christoph Gysin <christoph.gysin@gmail.com>
#
# Licensed under the Apache License, Version 2.0 (the "License"); you may
# not use this file except in compliance with the License. You may obtain
# a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
# License for the specific language governing permissions and limitations
# under the License.
import logging
import requests
from urllib.parse import urlparse, urlunparse
class FormAuth(requests.auth.AuthBase):
log = logging.getLogger('zuul.GerritConnection')
def __init__(self, username, password):
self.username = username
self.password = password
def _retry_using_form_auth(self, response, args):
adapter = requests.adapters.HTTPAdapter()
request = _copy_request(response.request)
u = urlparse(response.url)
url = urlunparse([u.scheme, u.netloc, '/login', None, None, None])
auth = {'username': self.username,
'password': self.password}
request2 = requests.Request('POST', url, data=auth).prepare()
response2 = adapter.send(request2, **args)
if response2.status_code == 401:
self.log.error('Login failed: Invalid username or password?')
return response
cookie = response2.headers.get('set-cookie')
if cookie is not None:
request.headers['Cookie'] = cookie
response3 = adapter.send(request, **args)
return response3
def _response_hook(self, response, **kwargs):
if response.status_code == 401:
return self._retry_using_form_auth(response, kwargs)
return response
def __call__(self, request):
request.headers["Connection"] = "Keep-Alive"
request.register_hook('response', self._response_hook)
return request
def _copy_request(request):
new_request = requests.PreparedRequest()
new_request.method = request.method
new_request.url = request.url
new_request.body = request.body
new_request.hooks = request.hooks
new_request.headers = request.headers.copy()
return new_request
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