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#!/usr/bin/env python3
# -*- coding: utf-8 -*-
# SIP002: https://shadowsocks.org/guide/sip002.html
# Plain / Common: https://shadowsocks.org/guide/configs.html#uri-and-qr-code
import copy
from Utils.Logger import logger
from Utils.Common import urlDecode, b64Decode
from Utils.Common import checkScheme, splitTag
ssBasicConfig = {
'type': 'ss',
'info': {}
}
def ssPlain(url: str) -> dict:
"""
FORMAT: ss://method:password@hostname:port[#TAG]
"""
config = copy.deepcopy(ssBasicConfig)
logger.debug('Shadowsocks plain decode -> %s' % url)
url, config['name'] = splitTag(checkScheme(url, 'ss', 'Shadowsocks plain'), fromRight = True)
userinfo, url = url.rsplit('@', 1)
config['info']['server'], config['info']['port'] = url.rsplit(':', 1)
config['info']['method'], config['info']['passwd'] = userinfo.split(':', 1)
logger.debug('Shadowsocks plain decode release -> %s', config)
return config
def ssCommon(url: str) -> dict:
"""
FORMAT: ss://BASE64-ENCODED-STRING-WITHOUT-PADDING[#TAG]
base64('method:password@hostname:port')
"""
config = copy.deepcopy(ssBasicConfig)
logger.debug('Shadowsocks common decode -> %s' % url)
url, config['name'] = splitTag(checkScheme(url, 'ss', 'Shadowsocks common'))
userinfo, url = b64Decode(url).rsplit('@', 1)
config['info']['server'], config['info']['port'] = url.rsplit(':', 1)
config['info']['method'], config['info']['passwd'] = userinfo.split(':', 1)
logger.debug('Shadowsocks common decode release -> %s', config)
return config
def sip002(url: str) -> dict:
"""
FORMAT: ss://userinfo@hostname:port [ "/" ] [ "?" plugin ] [ #tag ]
userinfo => method:password or websafe-base64-encode-utf8(method:password)
"""
config = copy.deepcopy(ssBasicConfig)
logger.debug('SIP002 decode -> %s' % url)
url, config['name'] = splitTag(checkScheme(url, 'ss', 'SIP002'))
userinfo, url = url.rsplit('@', 1)
try:
userinfo = b64Decode(userinfo) # userinfo encode base64 is optional
except:
userinfo = urlDecode(userinfo) # not base64 decode -> url encode format
config['info']['method'], config['info']['passwd'] = userinfo.split(':', 1)
url = url.replace('/?plugin=', '?plugin=') # remove `/` character
if '?plugin=' in url: # with sip003 plugin
url, plugin = url.split('?plugin=', 1)
plugin = urlDecode(plugin).split(';', 1)
config['info']['plugin'] = {
'type': plugin[0],
'param': '' if len(plugin) == 1 else plugin[1] # default as empty string
}
config['info']['server'], config['info']['port'] = url.rsplit(':', 1)
logger.debug('SIP002 decode release -> %s', config)
return config