Python port of ShadowsocksR
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#!/usr/bin/env python
#
# Copyright 2015-2015 breakwa11
#
# Licensed under the Apache License, Version 2.0 (the "License"); you may
# not use this file except in compliance with the License. You may obtain
# a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
# License for the specific language governing permissions and limitations
# under the License.
from __future__ import absolute_import, division, print_function, \
with_statement
import os
import sys
import hashlib
import logging
from shadowsocks import common
from shadowsocks.obfsplugin import plain, http_simple, obfs_tls, verify, auth, auth_chain
method_supported = {}
method_supported.update(plain.obfs_map)
method_supported.update(http_simple.obfs_map)
method_supported.update(obfs_tls.obfs_map)
method_supported.update(verify.obfs_map)
method_supported.update(auth.obfs_map)
method_supported.update(auth_chain.obfs_map)
def mu_protocol():
return ["auth_aes128_md5", "auth_aes128_sha1", "auth_chain_a"]
class server_info(object):
def __init__(self, data):
self.data = data
class obfs(object):
def __init__(self, method):
method = common.to_str(method)
self.method = method
self._method_info = self.get_method_info(method)
if self._method_info:
self.obfs = self.get_obfs(method)
else:
raise Exception('obfs plugin [%s] not supported' % method)
def init_data(self):
return self.obfs.init_data()
def set_server_info(self, server_info):
return self.obfs.set_server_info(server_info)
def get_server_info(self):
return self.obfs.get_server_info()
def get_method_info(self, method):
method = method.lower()
m = method_supported.get(method)
return m
def get_obfs(self, method):
m = self._method_info
return m[0](method)
def get_overhead(self, direction):
return self.obfs.get_overhead(direction)
def client_pre_encrypt(self, buf):
return self.obfs.client_pre_encrypt(buf)
def client_encode(self, buf):
return self.obfs.client_encode(buf)
def client_decode(self, buf):
return self.obfs.client_decode(buf)
def client_post_decrypt(self, buf):
return self.obfs.client_post_decrypt(buf)
def server_pre_encrypt(self, buf):
return self.obfs.server_pre_encrypt(buf)
def server_encode(self, buf):
return self.obfs.server_encode(buf)
def server_decode(self, buf):
return self.obfs.server_decode(buf)
def server_post_decrypt(self, buf):
return self.obfs.server_post_decrypt(buf)
def client_udp_pre_encrypt(self, buf):
return self.obfs.client_udp_pre_encrypt(buf)
def client_udp_post_decrypt(self, buf):
return self.obfs.client_udp_post_decrypt(buf)
def server_udp_pre_encrypt(self, buf, uid):
return self.obfs.server_udp_pre_encrypt(buf, uid)
def server_udp_post_decrypt(self, buf):
return self.obfs.server_udp_post_decrypt(buf)
def dispose(self):
self.obfs.dispose()
del self.obfs