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#!/usr/bin/python
# -*- coding:utf-8 -*-
from ProxyFilter import baseFunc
ssrMethodList = [ # ShadowsocksR加密方式
'aes-128-cfb',
'aes-192-cfb',
'aes-256-cfb',
'aes-128-cfb1',
'aes-192-cfb1',
'aes-256-cfb1',
'aes-128-cfb8',
'aes-192-cfb8',
'aes-256-cfb8',
'aes-128-ctr',
'aes-192-ctr',
'aes-256-ctr',
'aes-128-gcm',
'aes-192-gcm',
'aes-256-gcm',
'aes-128-ofb',
'aes-192-ofb',
'aes-256-ofb',
'camellia-128-cfb',
'camellia-192-cfb',
'camellia-256-cfb',
'none',
'table',
'rc4',
'rc4-md5',
'rc4-md5-6',
'bf-cfb',
'cast5-cfb',
'des-cfb',
'idea-cfb',
'seed-cfb',
'rc2-cfb',
'salsa20',
'xsalsa20',
'chacha20',
'xchacha20',
'chacha20-ietf',
]
ssrProtocolList = [ # ShadowsocksR协议
'origin',
'verify_sha1',
'verify_simple',
'verify_deflate',
'auth_simple',
'auth_sha1',
'auth_sha1_v2',
'auth_sha1_v4',
'auth_aes128',
'auth_aes128_md5',
'auth_aes128_sha1',
'auth_chain_a',
'auth_chain_b',
'auth_chain_c',
'auth_chain_d',
'auth_chain_e',
'auth_chain_f',
]
ssrObfsList = [ # ShadowsocksR混淆方式
'plain',
'http_post',
'http_simple',
'tls_simple',
'tls1.2_ticket_auth',
'tls1.2_ticket_fastauth',
'random_head',
]
def __ssrFill(raw: dict) -> dict: # 补全可选值
try:
if 'protocol' not in raw:
raw['protocol'] = ''
if 'protocolParam' not in raw:
raw['protocolParam'] = ''
if 'obfs' not in raw:
raw['obfs'] = ''
if 'obfsParam' not in raw:
raw['obfsParam'] = ''
except:
pass
return raw
def __ssrFormat(raw: dict) -> dict: # 容错性格式化
try:
raw['server'] = raw['server'].strip()
raw['port'] = int(raw['port'])
raw['method'] = raw['method'].replace('_', '-').lower().strip()
raw['protocol'] = raw['protocol'].replace('-', '_').lower().strip()
raw['obfs'] = raw['obfs'].replace('-', '_').lower().strip()
except:
pass
return raw
def ssrFilter(raw: dict) -> tuple[bool, str or dict]:
"""
ShadowsocksR节点合法性检查
不合法:
return False, {reason}
合法:
return True, {
'type': 'ssr',
...
}
"""
try:
if 'server' not in raw: # 必选值检查
return False, 'Missing `server` option'
if 'port' not in raw:
return False, 'Missing `port` option'
if 'method' not in raw:
return False, 'Missing `method` option'
if 'passwd' not in raw:
return False, 'Missing `password` option'
raw = __ssrFormat(__ssrFill(raw)) # 预处理
result = {'type': 'ssr'}
if baseFunc.isHost(raw['server']):
result['server'] = raw['server'] # server
else:
return False, 'Illegal `server` option'
if baseFunc.isPort(raw['port']):
result['port'] = raw['port'] # port
else:
return False, 'Illegal `port` option'
if raw['method'] in ssrMethodList:
result['method'] = raw['method'] # method
else:
return False, 'Unknown ShadowsocksR method'
result['passwd'] = raw['passwd'] # passwd
if raw['protocol'] in [None, '', 'origin']: # 默认协议
result['protocol'] = 'origin'
result['protocolParam'] = ''
else:
if raw['protocol'] in ssrProtocolList:
result['protocol'] = raw['protocol']
result['protocolParam'] = raw['protocolParam']
else:
return False, 'Unknown ShadowsocksR protocol'
if raw['obfs'] in [None, '', 'plain']: # 默认混淆
result['obfs'] = 'plain'
result['obfsParam'] = ''
else:
if raw['obfs'] in ssrObfsList:
result['obfs'] = raw['obfs']
result['obfsParam'] = raw['obfsParam']
else:
return False, 'Unknown ShadowsocksR obfs'
except:
return False, 'Unknown error'
return True, result