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