mirror of https://github.com/dnomd343/ProxyC
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134 lines
4.3 KiB
134 lines
4.3 KiB
#!/usr/bin/python
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# -*- coding:utf-8 -*-
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import re
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from ProxyDecoder import baseFunc
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def __trojanDecode(url: str) -> dict:
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"""
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Trojan标准分享链接解码
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FORMAT: trojan://$(password)@server:port?{fields}#$(remark)
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type -> tcp / kcp / ws / http / quic / grpc
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encryption -> none
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security -> none / tls / xtls
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path -> WebSocket / HTTP/2 / http obfs
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host -> WebSocket / HTTP/2 / http obfs
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headerType -> mKCP / QUIC UDP obfs -> none / srtp / utp / wechat-video / dtls / wireguard
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-> TCP (http obfs) -> http
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seed -> mKCP seed
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quicSecurity -> QUIC method
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key -> QUIC key
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serviceName -> gRPC Service Name
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mode -> gRPC transport mode -> gun / multi / guna
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sni -> TLS / XTLS SNI
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alpn -> TLS / XTLS ALPN
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flow -> XTLS flow type -> xtls-rprx-origin / xtls-rprx-direct / xtls-rprx-splice
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"""
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match = re.search(r'^trojan://([\S]+?)(#[\S]*)?$', url) # trojan://...#REMARK
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remark = baseFunc.urlDecode(
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match[2][1:] if match[2] is not None else ''
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)
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match = re.search(
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r'^([\S]+)@([a-zA-Z0-9.:\-_\[\]]+):([0-9]+)/?([\S]*)$', match[1]
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)
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info = {
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'server': baseFunc.formatHost(match[2]),
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'port': int(match[3]),
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'passwd': baseFunc.urlDecode(match[1]),
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'remark': remark
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}
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params = baseFunc.paramSplit(match[4])
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if 'type' not in params:
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params['type'] = 'tcp' # default -> tcp
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stream = {
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'type': params['type'] if params['type'] != 'http' else 'h2'
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}
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if params['type'] == 'tcp':
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if 'headerType' in params and params['headerType'] == 'http':
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stream['obfs'] = {}
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if 'host' in params:
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stream['obfs']['host'] = params['host']
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if 'path' in params:
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stream['obfs']['path'] = params['path']
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elif params['type'] == 'kcp':
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if 'headerType' in params:
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stream['obfs'] = params['headerType']
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if 'seed' in params:
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stream['seed'] = params['seed']
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elif params['type'] == 'ws':
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if 'host' in params:
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stream['host'] = params['host']
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if 'path' in params:
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try:
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stream['ed'], stream['path'] = baseFunc.splitEdParam(params['path'])
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except:
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stream['path'] = params['path']
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elif params['type'] == 'http':
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if 'host' in params:
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stream['host'] = params['host']
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if 'path' in params:
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stream['path'] = params['path']
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elif params['type'] == 'quic':
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if 'headerType' in params:
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stream['obfs'] = params['headerType']
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if 'quicSecurity' in params:
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stream['method'] = params['quicSecurity']
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if 'key' in params:
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stream['passwd'] = params['key']
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elif params['type'] == 'grpc':
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if 'serviceName' in params:
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stream['service'] = params['serviceName']
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if 'mode' in params and params['mode'] == 'multi':
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stream['mode'] = 'multi'
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else:
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raise Exception('Unknown network type')
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if 'security' in params:
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if params['security'] in ['tls', 'xtls']:
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secure = {
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'type': params['security']
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}
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if 'sni' in params:
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secure['sni'] = params['sni']
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if 'alpn' in params:
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secure['alpn'] = params['alpn']
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if params['security'] == 'xtls' and 'flow' in params: # XTLS flow
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if params['flow'] in ['xtls-rprx-origin', 'xtls-rprx-origin-udp443']:
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secure['flow'] = 'xtls-origin'
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elif params['flow'] in ['xtls-rprx-direct', 'xtls-rprx-direct-udp443']:
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secure['flow'] = 'xtls-direct'
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elif params['flow'] in ['xtls-rprx-splice', 'xtls-rprx-splice-udp443']:
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secure['flow'] = 'xtls-splice'
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elif params['security'] in ['', 'none']:
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secure = None
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else:
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raise Exception('Unknown security type')
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stream['secure'] = secure
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info['stream'] = stream
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return info
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def decode(url: str) -> dict:
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if url.split('://')[0] != 'trojan':
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raise Exception('Unexpected scheme')
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return {
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'type': 'trojan',
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'info': __trojanDecode(url),
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}
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