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#!/usr/bin/env python3
# -*- coding: utf-8 -*-
import json
from Utils.Logger import logger
from Utils.Exception import decodeException
from Utils.Common import b64Decode, checkScheme
from Utils.Common import hostFormat, splitEdParam
def v2rayN(url: str) -> dict:
"""
FORMAT: vmess://BASE64-ENCODED-JSON-STRING
fields => v(=2) / ps / add / port / id / aid / scy / net / type / host / path / tls / sni / alpn
"""
logger.debug('V2rayN url decode -> %s' % url)
url = json.loads(b64Decode(checkScheme(url, 'vmess', 'V2rayN')))
logger.debug('V2rayN json format -> %s' % url)
if int(url['v']) != 2:
logger.warning('V2rayN url with unknown version')
config = {
'type': 'vmess',
'name': url['ps'] if 'ps' in url else '', # ps -> remark
'info': {
'server': hostFormat(url['add']),
'port': url['port'],
'id': url['id'],
'aid': url['aid'] if 'aid' in url else 0, # default alter id -> 0
'method': url['scy'] if 'scy' in url else 'auto', # scy -> method (default = auto)
}
}
stream = {
'type': url['net'] if 'net' in url else 'tcp' # net -> stream.type (default = tcp)
}
if stream['type'] == 'tcp':
if 'http' in url and url['type'] == 'http': # type -> obfs
stream['obfs'] = {
'host': url['host'] if 'host' in url else '',
'path': url['path'] if 'path' in url else '/',
}
elif stream['type'] == 'kcp':
stream['obfs'] = url['type'] if 'type' in url else 'none' # type -> obfs
stream['seed'] = url['path'] if 'path' in url else None # path -> seed
elif stream['type'] == 'ws':
stream['host'] = url['host'] if 'host' in url else '' # host -> host
if 'path' in url:
try:
stream['path'], stream['ed'] = splitEdParam(url['path'])
except:
stream['path'] = url['path']
elif stream['type'] == 'h2':
stream['host'] = url['host'] if 'host' in url else '' # host -> host
stream['path'] = url['path'] if 'path' in url else '/' # path -> path
elif stream['type'] == 'quic':
stream['obfs'] = url['type'] if 'type' in url else 'none' # type -> obfs
stream['method'] = url['host'] if 'host' in url else 'none' # host -> method
stream['passwd'] = url['path'] if 'path' in url else '' # path -> passwd
elif stream['type'] == 'grpc':
stream['mode'] = 'multi' if 'type' in url and url['type'] == 'multi' else 'gun' # type -> mode
stream['service'] = url['path'] # path -> service
else:
logger.error('V2rayN url with unknown network type -> %s' % stream['type'])
raise decodeException('Unknown v2rayN network type')
secure = None
if 'tls' in url and url['tls'] == 'tls': # enable TLS
secure = {
'sni': url['sni'] if 'sni' in url else '', # sni option
'alpn': url['alpn'] if 'alpn' in url and url['alpn'] != '' else None # alpn option
}
stream['secure'] = secure
config['info']['stream'] = stream
logger.debug('V2rayN url release -> %s', config)
return config