You cannot select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
121 lines
4.6 KiB
Python
121 lines
4.6 KiB
Python
9 years ago
|
# urllib3/contrib/ntlmpool.py
|
||
|
|
# Copyright 2008-2013 Andrey Petrov and contributors (see CONTRIBUTORS.txt)
|
||
|
|
#
|
||
|
|
# This module is part of urllib3 and is released under
|
||
|
|
# the MIT License: http://www.opensource.org/licenses/mit-license.php
|
||
|
|
|
||
|
|
"""
|
||
|
|
NTLM authenticating pool, contributed by erikcederstran
|
||
|
|
|
||
|
|
Issue #10, see: http://code.google.com/p/urllib3/issues/detail?id=10
|
||
|
|
"""
|
||
|
|
|
||
|
|
try:
|
||
|
|
from http.client import HTTPSConnection
|
||
|
|
except ImportError:
|
||
|
|
from httplib import HTTPSConnection
|
||
|
|
from logging import getLogger
|
||
|
|
from ntlm import ntlm
|
||
|
|
|
||
|
|
from urllib3 import HTTPSConnectionPool
|
||
|
|
|
||
|
|
|
||
|
|
log = getLogger(__name__)
|
||
|
|
|
||
|
|
|
||
|
|
class NTLMConnectionPool(HTTPSConnectionPool):
|
||
|
|
"""
|
||
|
|
Implements an NTLM authentication version of an urllib3 connection pool
|
||
|
|
"""
|
||
|
|
|
||
|
|
scheme = 'https'
|
||
|
|
|
||
|
|
def __init__(self, user, pw, authurl, *args, **kwargs):
|
||
|
|
"""
|
||
|
|
authurl is a random URL on the server that is protected by NTLM.
|
||
|
|
user is the Windows user, probably in the DOMAIN\\username format.
|
||
|
|
pw is the password for the user.
|
||
|
|
"""
|
||
|
|
super(NTLMConnectionPool, self).__init__(*args, **kwargs)
|
||
|
|
self.authurl = authurl
|
||
|
|
self.rawuser = user
|
||
|
|
user_parts = user.split('\\', 1)
|
||
|
|
self.domain = user_parts[0].upper()
|
||
|
|
self.user = user_parts[1]
|
||
|
|
self.pw = pw
|
||
|
|
|
||
|
|
def _new_conn(self):
|
||
|
|
# Performs the NTLM handshake that secures the connection. The socket
|
||
|
|
# must be kept open while requests are performed.
|
||
|
|
self.num_connections += 1
|
||
|
|
log.debug('Starting NTLM HTTPS connection no. %d: https://%s%s' %
|
||
|
|
(self.num_connections, self.host, self.authurl))
|
||
|
|
|
||
|
|
headers = {}
|
||
|
|
headers['Connection'] = 'Keep-Alive'
|
||
|
|
req_header = 'Authorization'
|
||
|
|
resp_header = 'www-authenticate'
|
||
|
|
|
||
|
|
conn = HTTPSConnection(host=self.host, port=self.port)
|
||
|
|
|
||
|
|
# Send negotiation message
|
||
|
|
headers[req_header] = (
|
||
|
|
'NTLM %s' % ntlm.create_NTLM_NEGOTIATE_MESSAGE(self.rawuser))
|
||
|
|
log.debug('Request headers: %s' % headers)
|
||
|
|
conn.request('GET', self.authurl, None, headers)
|
||
|
|
res = conn.getresponse()
|
||
|
|
reshdr = dict(res.getheaders())
|
||
|
|
log.debug('Response status: %s %s' % (res.status, res.reason))
|
||
|
|
log.debug('Response headers: %s' % reshdr)
|
||
|
|
log.debug('Response data: %s [...]' % res.read(100))
|
||
|
|
|
||
|
|
# Remove the reference to the socket, so that it can not be closed by
|
||
|
|
# the response object (we want to keep the socket open)
|
||
|
|
res.fp = None
|
||
|
|
|
||
|
|
# Server should respond with a challenge message
|
||
|
|
auth_header_values = reshdr[resp_header].split(', ')
|
||
|
|
auth_header_value = None
|
||
|
|
for s in auth_header_values:
|
||
|
|
if s[:5] == 'NTLM ':
|
||
|
|
auth_header_value = s[5:]
|
||
|
|
if auth_header_value is None:
|
||
|
|
raise Exception('Unexpected %s response header: %s' %
|
||
|
|
(resp_header, reshdr[resp_header]))
|
||
|
|
|
||
|
|
# Send authentication message
|
||
|
|
ServerChallenge, NegotiateFlags = \
|
||
|
|
ntlm.parse_NTLM_CHALLENGE_MESSAGE(auth_header_value)
|
||
|
|
auth_msg = ntlm.create_NTLM_AUTHENTICATE_MESSAGE(ServerChallenge,
|
||
|
|
self.user,
|
||
|
|
self.domain,
|
||
|
|
self.pw,
|
||
|
|
NegotiateFlags)
|
||
|
|
headers[req_header] = 'NTLM %s' % auth_msg
|
||
|
|
log.debug('Request headers: %s' % headers)
|
||
|
|
conn.request('GET', self.authurl, None, headers)
|
||
|
|
res = conn.getresponse()
|
||
|
|
log.debug('Response status: %s %s' % (res.status, res.reason))
|
||
|
|
log.debug('Response headers: %s' % dict(res.getheaders()))
|
||
|
|
log.debug('Response data: %s [...]' % res.read()[:100])
|
||
|
|
if res.status != 200:
|
||
|
|
if res.status == 401:
|
||
|
|
raise Exception('Server rejected request: wrong '
|
||
|
|
'username or password')
|
||
|
|
raise Exception('Wrong server response: %s %s' %
|
||
|
|
(res.status, res.reason))
|
||
|
|
|
||
|
|
res.fp = None
|
||
|
|
log.debug('Connection established')
|
||
|
|
return conn
|
||
|
|
|
||
|
|
def urlopen(self, method, url, body=None, headers=None, retries=3,
|
||
|
|
redirect=True, assert_same_host=True):
|
||
|
|
if headers is None:
|
||
|
|
headers = {}
|
||
|
|
headers['Connection'] = 'Keep-Alive'
|
||
|
|
return super(NTLMConnectionPool, self).urlopen(method, url, body,
|
||
|
|
headers, retries,
|
||
|
|
redirect,
|
||
|
|
assert_same_host)
|