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-rw-r--r--youtube_dl/socks.py273
1 files changed, 0 insertions, 273 deletions
diff --git a/youtube_dl/socks.py b/youtube_dl/socks.py
deleted file mode 100644
index 5d4adbe..0000000
--- a/youtube_dl/socks.py
+++ /dev/null
@@ -1,273 +0,0 @@
-# Public Domain SOCKS proxy protocol implementation
-# Adapted from https://gist.github.com/bluec0re/cafd3764412967417fd3
-
-from __future__ import unicode_literals
-
-# References:
-# SOCKS4 protocol http://www.openssh.com/txt/socks4.protocol
-# SOCKS4A protocol http://www.openssh.com/txt/socks4a.protocol
-# SOCKS5 protocol https://tools.ietf.org/html/rfc1928
-# SOCKS5 username/password authentication https://tools.ietf.org/html/rfc1929
-
-import collections
-import socket
-
-from .compat import (
- compat_ord,
- compat_struct_pack,
- compat_struct_unpack,
-)
-
-__author__ = 'Timo Schmid <coding@timoschmid.de>'
-
-SOCKS4_VERSION = 4
-SOCKS4_REPLY_VERSION = 0x00
-# Excerpt from SOCKS4A protocol:
-# if the client cannot resolve the destination host's domain name to find its
-# IP address, it should set the first three bytes of DSTIP to NULL and the last
-# byte to a non-zero value.
-SOCKS4_DEFAULT_DSTIP = compat_struct_pack('!BBBB', 0, 0, 0, 0xFF)
-
-SOCKS5_VERSION = 5
-SOCKS5_USER_AUTH_VERSION = 0x01
-SOCKS5_USER_AUTH_SUCCESS = 0x00
-
-
-class Socks4Command(object):
- CMD_CONNECT = 0x01
- CMD_BIND = 0x02
-
-
-class Socks5Command(Socks4Command):
- CMD_UDP_ASSOCIATE = 0x03
-
-
-class Socks5Auth(object):
- AUTH_NONE = 0x00
- AUTH_GSSAPI = 0x01
- AUTH_USER_PASS = 0x02
- AUTH_NO_ACCEPTABLE = 0xFF # For server response
-
-
-class Socks5AddressType(object):
- ATYP_IPV4 = 0x01
- ATYP_DOMAINNAME = 0x03
- ATYP_IPV6 = 0x04
-
-
-class ProxyError(socket.error):
- ERR_SUCCESS = 0x00
-
- def __init__(self, code=None, msg=None):
- if code is not None and msg is None:
- msg = self.CODES.get(code) or 'unknown error'
- super(ProxyError, self).__init__(code, msg)
-
-
-class InvalidVersionError(ProxyError):
- def __init__(self, expected_version, got_version):
- msg = ('Invalid response version from server. Expected {0:02x} got '
- '{1:02x}'.format(expected_version, got_version))
- super(InvalidVersionError, self).__init__(0, msg)
-
-
-class Socks4Error(ProxyError):
- ERR_SUCCESS = 90
-
- CODES = {
- 91: 'request rejected or failed',
- 92: 'request rejected because SOCKS server cannot connect to identd on the client',
- 93: 'request rejected because the client program and identd report different user-ids'
- }
-
-
-class Socks5Error(ProxyError):
- ERR_GENERAL_FAILURE = 0x01
-
- CODES = {
- 0x01: 'general SOCKS server failure',
- 0x02: 'connection not allowed by ruleset',
- 0x03: 'Network unreachable',
- 0x04: 'Host unreachable',
- 0x05: 'Connection refused',
- 0x06: 'TTL expired',
- 0x07: 'Command not supported',
- 0x08: 'Address type not supported',
- 0xFE: 'unknown username or invalid password',
- 0xFF: 'all offered authentication methods were rejected'
- }
-
-
-class ProxyType(object):
- SOCKS4 = 0
- SOCKS4A = 1
- SOCKS5 = 2
-
-
-Proxy = collections.namedtuple('Proxy', (
- 'type', 'host', 'port', 'username', 'password', 'remote_dns'))
-
-
-class sockssocket(socket.socket):
- def __init__(self, *args, **kwargs):
- self._proxy = None
- super(sockssocket, self).__init__(*args, **kwargs)
-
- def setproxy(self, proxytype, addr, port, rdns=True, username=None, password=None):
- assert proxytype in (ProxyType.SOCKS4, ProxyType.SOCKS4A, ProxyType.SOCKS5)
-
- self._proxy = Proxy(proxytype, addr, port, username, password, rdns)
-
- def recvall(self, cnt):
- data = b''
- while len(data) < cnt:
- cur = self.recv(cnt - len(data))
- if not cur:
- raise EOFError('{0} bytes missing'.format(cnt - len(data)))
- data += cur
- return data
-
- def _recv_bytes(self, cnt):
- data = self.recvall(cnt)
- return compat_struct_unpack('!{0}B'.format(cnt), data)
-
- @staticmethod
- def _len_and_data(data):
- return compat_struct_pack('!B', len(data)) + data
-
- def _check_response_version(self, expected_version, got_version):
- if got_version != expected_version:
- self.close()
- raise InvalidVersionError(expected_version, got_version)
-
- def _resolve_address(self, destaddr, default, use_remote_dns):
- try:
- return socket.inet_aton(destaddr)
- except socket.error:
- if use_remote_dns and self._proxy.remote_dns:
- return default
- else:
- return socket.inet_aton(socket.gethostbyname(destaddr))
-
- def _setup_socks4(self, address, is_4a=False):
- destaddr, port = address
-
- ipaddr = self._resolve_address(destaddr, SOCKS4_DEFAULT_DSTIP, use_remote_dns=is_4a)
-
- packet = compat_struct_pack('!BBH', SOCKS4_VERSION, Socks4Command.CMD_CONNECT, port) + ipaddr
-
- username = (self._proxy.username or '').encode('utf-8')
- packet += username + b'\x00'
-
- if is_4a and self._proxy.remote_dns:
- packet += destaddr.encode('utf-8') + b'\x00'
-
- self.sendall(packet)
-
- version, resp_code, dstport, dsthost = compat_struct_unpack('!BBHI', self.recvall(8))
-
- self._check_response_version(SOCKS4_REPLY_VERSION, version)
-
- if resp_code != Socks4Error.ERR_SUCCESS:
- self.close()
- raise Socks4Error(resp_code)
-
- return (dsthost, dstport)
-
- def _setup_socks4a(self, address):
- self._setup_socks4(address, is_4a=True)
-
- def _socks5_auth(self):
- packet = compat_struct_pack('!B', SOCKS5_VERSION)
-
- auth_methods = [Socks5Auth.AUTH_NONE]
- if self._proxy.username and self._proxy.password:
- auth_methods.append(Socks5Auth.AUTH_USER_PASS)
-
- packet += compat_struct_pack('!B', len(auth_methods))
- packet += compat_struct_pack('!{0}B'.format(len(auth_methods)), *auth_methods)
-
- self.sendall(packet)
-
- version, method = self._recv_bytes(2)
-
- self._check_response_version(SOCKS5_VERSION, version)
-
- if method == Socks5Auth.AUTH_NO_ACCEPTABLE or (
- method == Socks5Auth.AUTH_USER_PASS and (not self._proxy.username or not self._proxy.password)):
- self.close()
- raise Socks5Error(Socks5Auth.AUTH_NO_ACCEPTABLE)
-
- if method == Socks5Auth.AUTH_USER_PASS:
- username = self._proxy.username.encode('utf-8')
- password = self._proxy.password.encode('utf-8')
- packet = compat_struct_pack('!B', SOCKS5_USER_AUTH_VERSION)
- packet += self._len_and_data(username) + self._len_and_data(password)
- self.sendall(packet)
-
- version, status = self._recv_bytes(2)
-
- self._check_response_version(SOCKS5_USER_AUTH_VERSION, version)
-
- if status != SOCKS5_USER_AUTH_SUCCESS:
- self.close()
- raise Socks5Error(Socks5Error.ERR_GENERAL_FAILURE)
-
- def _setup_socks5(self, address):
- destaddr, port = address
-
- ipaddr = self._resolve_address(destaddr, None, use_remote_dns=True)
-
- self._socks5_auth()
-
- reserved = 0
- packet = compat_struct_pack('!BBB', SOCKS5_VERSION, Socks5Command.CMD_CONNECT, reserved)
- if ipaddr is None:
- destaddr = destaddr.encode('utf-8')
- packet += compat_struct_pack('!B', Socks5AddressType.ATYP_DOMAINNAME)
- packet += self._len_and_data(destaddr)
- else:
- packet += compat_struct_pack('!B', Socks5AddressType.ATYP_IPV4) + ipaddr
- packet += compat_struct_pack('!H', port)
-
- self.sendall(packet)
-
- version, status, reserved, atype = self._recv_bytes(4)
-
- self._check_response_version(SOCKS5_VERSION, version)
-
- if status != Socks5Error.ERR_SUCCESS:
- self.close()
- raise Socks5Error(status)
-
- if atype == Socks5AddressType.ATYP_IPV4:
- destaddr = self.recvall(4)
- elif atype == Socks5AddressType.ATYP_DOMAINNAME:
- alen = compat_ord(self.recv(1))
- destaddr = self.recvall(alen)
- elif atype == Socks5AddressType.ATYP_IPV6:
- destaddr = self.recvall(16)
- destport = compat_struct_unpack('!H', self.recvall(2))[0]
-
- return (destaddr, destport)
-
- def _make_proxy(self, connect_func, address):
- if not self._proxy:
- return connect_func(self, address)
-
- result = connect_func(self, (self._proxy.host, self._proxy.port))
- if result != 0 and result is not None:
- return result
- setup_funcs = {
- ProxyType.SOCKS4: self._setup_socks4,
- ProxyType.SOCKS4A: self._setup_socks4a,
- ProxyType.SOCKS5: self._setup_socks5,
- }
- setup_funcs[self._proxy.type](address)
- return result
-
- def connect(self, address):
- self._make_proxy(socket.socket.connect, address)
-
- def connect_ex(self, address):
- return self._make_proxy(socket.socket.connect_ex, address)
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-15 15:02:04 +0000