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#!/usr/bin/env python3
# -*- coding: utf-8 -*-
from Builder import V2ray
from Basis.Constant import xtlsFlows
loadConfig = V2ray.loadConfig
def loadSecure(secureInfo: dict or None) -> dict: # TLS / XTLS encrypt config
if secureInfo is None:
return {'security': 'none'} # without TLS / XTLS options
if secureInfo['type'] not in ['tls', 'xtls']:
raise RuntimeError('Unknown secure type')
secureObject = {
'allowInsecure': not secureInfo['verify'] # whether verify server's certificate
}
if secureInfo['alpn'] is not None:
secureObject['alpn'] = secureInfo['alpn'].split(',') # multi-alpn like `h2,http/1.1`
if secureInfo['sni'] != '':
secureObject['serverName'] = secureInfo['sni'] # SNI field in TLS / XTLS protocol
return {
'security': secureInfo['type'],
'%sSettings' % secureInfo['type']: secureObject
}
def wsStream(streamInfo: dict) -> dict: # WebSocket stream config (different ed config with v2fly-core)
wsObject = {
'path': streamInfo['path'] # websocket connection path
}
if streamInfo['host'] != '': # empty host should not be set
wsObject['headers'] = {}
wsObject['headers']['Host'] = streamInfo['host']
if streamInfo['ed'] is not None: # ed value into uri path -> /...?ed=xxx
if wsObject['path'].find('?') == -1: # no params in raw path
wsObject['path'] += '?ed=%i' % streamInfo['ed']
else:
wsObject['path'] += '&ed=%i' % streamInfo['ed']
return {
'network': 'ws',
'wsSettings': wsObject
}
def loadStream(streamInfo: dict) -> dict:
streamEntry = {
'tcp': V2ray.tcpStream,
'kcp': V2ray.kcpStream,
'ws': wsStream, # different with v2fly-core
'h2': V2ray.h2Stream,
'quic': V2ray.quicStream,
'grpc': V2ray.grpcStream,
}
if streamInfo['type'] not in streamEntry:
raise RuntimeError('Unknown stream type')
streamObject = streamEntry[streamInfo['type']](streamInfo)
return {
**streamObject,
**loadSecure(streamInfo['secure'])
}
def xtlsFlow(streamInfo: dict or None) -> dict:
if streamInfo['secure'] is None: # without TLS / XTLS options
return {}
if streamInfo['secure']['type'] != 'xtls': # not XTLS secure type
return {}
if streamInfo['secure']['flow'] not in xtlsFlows:
raise RuntimeError('Unknown xtls flow')
return {
'flow': xtlsFlows[streamInfo['secure']['flow']] + ( # xtls-rprx-xxx
'-udp443' if streamInfo['secure']['udp443'] else '' # whether block udp/443 (disable http/3)
)
}