/usr/lib/python2.7/dist-packages/ubuntu-kylin-sso-client/ubuntu_kylin_sso/utils/webclient/txweb.py is in python-ubuntu-kylin-sso-client 0.1.2.5.
This file is owned by root:root, with mode 0o644.
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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 | # -*- coding: utf-8 -*-
#
# Copyright 2011-2012 Canonical Ltd.
#
# This program is free software: you can redistribute it and/or modify it
# under the terms of the GNU General Public License version 3, as published
# by the Free Software Foundation.
#
# This program is distributed in the hope that it will be useful, but
# WITHOUT ANY WARRANTY; without even the implied warranties of
# MERCHANTABILITY, SATISFACTORY QUALITY, or FITNESS FOR A PARTICULAR
# PURPOSE. See the GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License along
# with this program. If not, see <http://www.gnu.org/licenses/>.
#
# In addition, as a special exception, the copyright holders give
# permission to link the code of portions of this program with the
# OpenSSL library under certain conditions as described in each
# individual source file, and distribute linked combinations
# including the two.
# You must obey the GNU General Public License in all respects
# for all of the code used other than OpenSSL. If you modify
# file(s) with this exception, you may extend this exception to your
# version of the file(s), but you are not obligated to do so. If you
# do not wish to do so, delete this exception statement from your
# version. If you delete this exception statement from all source
# files in the program, then also delete it here.
"""A webclient backend that uses twisted.web.client."""
import base64
try:
# pylint: disable=E0611,F0401
from urllib.parse import urlparse
# pylint: enable=E0611,F0401
except ImportError:
from urlparse import urlparse
from twisted.internet import defer
from ubuntu_kylin_sso.logger import setup_logging
from ubuntu_kylin_sso.utils.webclient.common import (
BaseWebClient,
HeaderDict,
Response,
UnauthorizedError,
WebClientError,
)
logger = setup_logging("ubuntu_kylin_sso.utils.webclient.txweb")
class RawResponse(object):
"""A raw response from the webcall."""
def __init__(self, headers, content, code=200, phrase="OK"):
"""Initialize this response."""
self.headers = headers
self.content = content
self.code = code
self.phrase = phrase
class WebClient(BaseWebClient):
"""A simple web client that does not support proxies, yet."""
client_factory = None
def __init__(self, connector=None, context_factory=None, **kwargs):
"""Initialize this webclient."""
# delay import, otherwise a default reactor gets installed
from twisted.web import client
super(WebClient, self).__init__(**kwargs)
if connector is None:
from twisted.internet import reactor
self.connector = reactor
else:
self.connector = connector
if context_factory is None:
from twisted.internet import ssl
self.context_factory = ssl.ClientContextFactory()
else:
self.context_factory = context_factory
# decide which client factory to use
if WebClient.client_factory is None:
self.client_factory = client.HTTPClientFactory
else:
self.client_factory = WebClient.client_factory
@defer.inlineCallbacks
def raw_request(self, method, uri, headers, postdata):
"""Make a raw http request."""
# Twisted wants headers as bytes, but because of oauthlib, they might
# be unicodes. Assume utf-8 and revert the encodings.
bytes_headers = {}
for key, value in headers.items():
if isinstance(key, unicode):
key = key.encode('utf-8')
if isinstance(value, unicode):
value = value.encode('utf-8')
bytes_headers[key] = value
headers = bytes_headers
# delay import, otherwise a default reactor gets installed
from twisted.web import error
parsed_url = urlparse(uri)
# pylint: disable=E1101,E1103
https = parsed_url.scheme == "https"
host = parsed_url.netloc.split(":")[0]
# pylint: enable=E1101,E1103
if parsed_url.port is None:
port = 443 if https else 80
else:
port = parsed_url.port
factory = self.client_factory(uri, method=method,
postdata=postdata,
headers=headers,
followRedirect=False)
# pylint: disable=E1103
if https:
self.connector.connectSSL(host, port, factory,
self.context_factory)
else:
self.connector.connectTCP(host, port, factory)
# pylint: enable=E1103
try:
content = yield factory.deferred
response = RawResponse(factory.response_headers, content)
except error.Error as e:
response = RawResponse(factory.response_headers, e.response,
int(e.status), e.message)
defer.returnValue(response)
@defer.inlineCallbacks
def request(self, iri, method="GET", extra_headers=None,
oauth_credentials=None, post_content=None):
"""Get the page, or fail trying."""
# delay import, otherwise a default reactor gets installed
from twisted.web import http
uri = self.iri_to_uri(iri)
headers = yield self.build_request_headers(uri, method, extra_headers,
oauth_credentials)
if self.username and self.password:
auth = base64.b64encode(self.username + ":" + self.password)
headers["Authorization"] = "Basic " + auth
try:
raw_response = yield self.raw_request(method, uri,
headers=headers,
postdata=post_content)
response_headers = HeaderDict(raw_response.headers)
if method.lower() != "head":
response_content = raw_response.content
else:
response_content = ""
if raw_response.code == http.OK:
defer.returnValue(Response(response_content, response_headers))
if raw_response.code == http.UNAUTHORIZED:
raise UnauthorizedError(raw_response.phrase,
response_content)
raise WebClientError(raw_response.phrase, response_content)
except WebClientError:
raise
except Exception as e:
raise WebClientError(e.message, e)
def force_use_proxy(self, settings):
"""Setup this webclient to use the given proxy settings."""
# No direct proxy support in twisted.web.client
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