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Þ'¯°ÌME[YéïĵÂCå½ Ué©Áû'Ê9%eÔðNU”ë‘ÌsD3/®+UI˜9h.WC”빓$#:pz:YÓ ¿xž* ³$Í +$kñAŠ‹†¢ Uê>¸)_š¬÷©ßAÂÔb9ÇU ¯¾á•9¯ÏÏ÷O÷¼¼Fähal1‰3Ì[Ïr•´UCksNÐ] R‘¸¥H+§Šé†c©vÖÞ0iÓ76s†î!§=ß ¼~Ô'°Ãmäoäš³ªøi1úÉ)³yV8 CLÄØÁ‘WYïi€H6ÖÑiámø^ÈY´°Ñ7¥Û*—Ñ©L«Qƒï—Ùrÿ ›£Ð*š¸ˆL©ˆ$ˆ ÷¾D§9È®«qbqC)–ˆïv´çñsÑVT­Ø, <àïºÀO«Jý·õ àfPìð .wFšir´þ’2_Y *Æ€x\« ì€9š@ Ž|F⇥ˆkZ@hÖÄ0t¿-<“‹qµ¾*ZL¤Ú)&BJpÓF5=$„at*Zš$’ÑtdûÝRI1 2Ž‰$€$I$#‰SÞ’Hë¬ï;Á$¡t$’`<(ñÇt)$‡Ð.Êf¢X’Kt=Éé$‚ˆªè¢oÝëòI%Rgcª÷ŠyI%¡‰ÿ !ñ)´õ $¤ Ô’IIGÿÙ# -*- coding: utf-8 -*- """ This module contains provisional support for SOCKS proxies from within urllib3. This module supports SOCKS4, SOCKS4A (an extension of SOCKS4), and SOCKS5. To enable its functionality, either install PySocks or install this module with the ``socks`` extra. The SOCKS implementation supports the full range of urllib3 features. It also supports the following SOCKS features: - SOCKS4A (``proxy_url='socks4a://...``) - SOCKS4 (``proxy_url='socks4://...``) - SOCKS5 with remote DNS (``proxy_url='socks5h://...``) - SOCKS5 with local DNS (``proxy_url='socks5://...``) - Usernames and passwords for the SOCKS proxy .. note:: It is recommended to use ``socks5h://`` or ``socks4a://`` schemes in your ``proxy_url`` to ensure that DNS resolution is done from the remote server instead of client-side when connecting to a domain name. SOCKS4 supports IPv4 and domain names with the SOCKS4A extension. SOCKS5 supports IPv4, IPv6, and domain names. When connecting to a SOCKS4 proxy the ``username`` portion of the ``proxy_url`` will be sent as the ``userid`` section of the SOCKS request: .. code-block:: python proxy_url="socks4a://@proxy-host" When connecting to a SOCKS5 proxy the ``username`` and ``password`` portion of the ``proxy_url`` will be sent as the username/password to authenticate with the proxy: .. code-block:: python proxy_url="socks5h://:@proxy-host" """ from __future__ import absolute_import try: import socks except ImportError: import warnings from ..exceptions import DependencyWarning warnings.warn( ( "SOCKS support in urllib3 requires the installation of optional " "dependencies: specifically, PySocks. For more information, see " "https://urllib3.readthedocs.io/en/1.26.x/contrib.html#socks-proxies" ), DependencyWarning, ) raise from socket import error as SocketError from socket import timeout as SocketTimeout from ..connection import HTTPConnection, HTTPSConnection from ..connectionpool import HTTPConnectionPool, HTTPSConnectionPool from ..exceptions import ConnectTimeoutError, NewConnectionError from ..poolmanager import PoolManager from ..util.url import parse_url try: import ssl except ImportError: ssl = None class SOCKSConnection(HTTPConnection): """ A plain-text HTTP connection that connects via a SOCKS proxy. """ def __init__(self, *args, **kwargs): self._socks_options = kwargs.pop("_socks_options") super(SOCKSConnection, self).__init__(*args, **kwargs) def _new_conn(self): """ Establish a new connection via the SOCKS proxy. """ extra_kw = {} if self.source_address: extra_kw["source_address"] = self.source_address if self.socket_options: extra_kw["socket_options"] = self.socket_options try: conn = socks.create_connection( (self.host, self.port), proxy_type=self._socks_options["socks_version"], proxy_addr=self._socks_options["proxy_host"], proxy_port=self._socks_options["proxy_port"], proxy_username=self._socks_options["username"], proxy_password=self._socks_options["password"], proxy_rdns=self._socks_options["rdns"], timeout=self.timeout, **extra_kw ) except SocketTimeout: raise ConnectTimeoutError( self, "Connection to %s timed out. (connect timeout=%s)" % (self.host, self.timeout), ) except socks.ProxyError as e: # This is fragile as hell, but it seems to be the only way to raise # useful errors here. if e.socket_err: error = e.socket_err if isinstance(error, SocketTimeout): raise ConnectTimeoutError( self, "Connection to %s timed out. (connect timeout=%s)" % (self.host, self.timeout), ) else: raise NewConnectionError( self, "Failed to establish a new connection: %s" % error ) else: raise NewConnectionError( self, "Failed to establish a new connection: %s" % e ) except SocketError as e: # Defensive: PySocks should catch all these. raise NewConnectionError( self, "Failed to establish a new connection: %s" % e ) return conn # We don't need to duplicate the Verified/Unverified distinction from # urllib3/connection.py here because the HTTPSConnection will already have been # correctly set to either the Verified or Unverified form by that module. This # means the SOCKSHTTPSConnection will automatically be the correct type. class SOCKSHTTPSConnection(SOCKSConnection, HTTPSConnection): pass class SOCKSHTTPConnectionPool(HTTPConnectionPool): ConnectionCls = SOCKSConnection class SOCKSHTTPSConnectionPool(HTTPSConnectionPool): ConnectionCls = SOCKSHTTPSConnection class SOCKSProxyManager(PoolManager): """ A version of the urllib3 ProxyManager that routes connections via the defined SOCKS proxy. """ pool_classes_by_scheme = { "http": SOCKSHTTPConnectionPool, "https": SOCKSHTTPSConnectionPool, } def __init__( self, proxy_url, username=None, password=None, num_pools=10, headers=None, **connection_pool_kw ): parsed = parse_url(proxy_url) if username is None and password is None and parsed.auth is not None: split = parsed.auth.split(":") if len(split) == 2: username, password = split if parsed.scheme == "socks5": socks_version = socks.PROXY_TYPE_SOCKS5 rdns = False elif parsed.scheme == "socks5h": socks_version = socks.PROXY_TYPE_SOCKS5 rdns = True elif parsed.scheme == "socks4": socks_version = socks.PROXY_TYPE_SOCKS4 rdns = False elif parsed.scheme == "socks4a": socks_version = socks.PROXY_TYPE_SOCKS4 rdns = True else: raise ValueError("Unable to determine SOCKS version from %s" % proxy_url) self.proxy_url = proxy_url socks_options = { "socks_version": socks_version, "proxy_host": parsed.host, "proxy_port": parsed.port, "username": username, "password": password, "rdns": rdns, } connection_pool_kw["_socks_options"] = socks_options super(SOCKSProxyManager, self).__init__( num_pools, headers, **connection_pool_kw ) self.pool_classes_by_scheme = SOCKSProxyManager.pool_classes_by_scheme