bazarr/libs/sockshandler.py

112 lines
3.9 KiB
Python

#!/usr/bin/env python
"""
SocksiPy + urllib2 handler
version: 0.3
author: e<e@tr0ll.in>
This module provides a Handler which you can use with urllib2 to allow it to tunnel your connection through a socks.sockssocket socket, with out monkey patching the original socket...
"""
import socket
import ssl
try:
import urllib2
import httplib
except ImportError: # Python 3
import urllib.request as urllib2
import http.client as httplib
import socks # $ pip install PySocks
def merge_dict(a, b):
d = a.copy()
d.update(b)
return d
def is_ip(s):
try:
if ':' in s:
socket.inet_pton(socket.AF_INET6, s)
elif '.' in s:
socket.inet_aton(s)
else:
return False
except:
return False
else:
return True
socks4_no_rdns = set()
class SocksiPyConnection(httplib.HTTPConnection):
def __init__(self, proxytype, proxyaddr, proxyport=None, rdns=True, username=None, password=None, *args, **kwargs):
self.proxyargs = (proxytype, proxyaddr, proxyport, rdns, username, password)
httplib.HTTPConnection.__init__(self, *args, **kwargs)
def connect(self):
(proxytype, proxyaddr, proxyport, rdns, username, password) = self.proxyargs
rdns = rdns and proxyaddr not in socks4_no_rdns
while True:
try:
sock = socks.create_connection(
(self.host, self.port), self.timeout, None,
proxytype, proxyaddr, proxyport, rdns, username, password,
((socket.IPPROTO_TCP, socket.TCP_NODELAY, 1),))
break
except socks.SOCKS4Error as e:
if rdns and "0x5b" in str(e) and not is_ip(self.host):
# Maybe a SOCKS4 server that doesn't support remote resolving
# Let's try again
rdns = False
socks4_no_rdns.add(proxyaddr)
else:
raise
self.sock = sock
class SocksiPyConnectionS(httplib.HTTPSConnection):
def __init__(self, proxytype, proxyaddr, proxyport=None, rdns=True, username=None, password=None, *args, **kwargs):
self.proxyargs = (proxytype, proxyaddr, proxyport, rdns, username, password)
httplib.HTTPSConnection.__init__(self, *args, **kwargs)
def connect(self):
SocksiPyConnection.connect(self)
self.sock = self._context.wrap_socket(self.sock, server_hostname=self.host)
if not self._context.check_hostname and self._check_hostname:
try:
ssl.match_hostname(self.sock.getpeercert(), self.host)
except Exception:
self.sock.shutdown(socket.SHUT_RDWR)
self.sock.close()
raise
class SocksiPyHandler(urllib2.HTTPHandler, urllib2.HTTPSHandler):
def __init__(self, *args, **kwargs):
self.args = args
self.kw = kwargs
urllib2.HTTPHandler.__init__(self)
def http_open(self, req):
def build(host, port=None, timeout=0, **kwargs):
kw = merge_dict(self.kw, kwargs)
conn = SocksiPyConnection(*self.args, host=host, port=port, timeout=timeout, **kw)
return conn
return self.do_open(build, req)
def https_open(self, req):
def build(host, port=None, timeout=0, **kwargs):
kw = merge_dict(self.kw, kwargs)
conn = SocksiPyConnectionS(*self.args, host=host, port=port, timeout=timeout, **kw)
return conn
return self.do_open(build, req)
if __name__ == "__main__":
import sys
try:
port = int(sys.argv[1])
except (ValueError, IndexError):
port = 9050
opener = urllib2.build_opener(SocksiPyHandler(socks.PROXY_TYPE_SOCKS5, "localhost", port))
print("HTTP: " + opener.open("http://httpbin.org/ip").read().decode())
print("HTTPS: " + opener.open("https://httpbin.org/ip").read().decode())