feat: add ShadowsocksR url decode

Decoder/Shadowsocks.py

@@ -9,7 +9,6 @@ from Utils.Logger import logger
 from Utils.Common import checkScheme, splitTag
 from Utils.Common import urlDecode, base64Decode
 
-
 ssBasicConfig = {
     'type': 'ss',
     'info': {}

Decoder/ShadowsocksR.py

@@ -0,0 +1,37 @@
+#!/usr/bin/env python3
+# -*- coding: utf-8 -*-
+
+# https://github.com/shadowsocksrr/shadowsocksr-csharp/blob/master/shadowsocks-csharp/Model/Server.cs#L357
+
+from Utils.Logger import logger
+from Utils.Common import checkScheme, base64Decode, splitParam
+
+def ssr(url: str) -> dict:
+    """
+    FORMAT: ssr://base64(
+                server:port:protocol:method:obfs:base64(passwd)/?
+                obfsparam=base64(...)&protoparam=...(...)&remarks=base64(...)&group=base64(...)
+            )
+    """
+    config = {
+        'type': 'ssr',
+        'info': {}
+    }
+    info = config['info']
+    logger.debug('ShadowsocksR decode -> %s' % url)
+
+    params = ''
+    url = base64Decode(checkScheme(url, 'ssr', 'ShadowsocksR'))
+    if '?' in url:
+        url, params = url.replace('/?', '?').split('?')  # `.../?...` or `...?...`
+    info['server'], info['port'], info['protocol'], info['method'], info['obfs'], info['passwd'] = url.rsplit(':', 5)
+    info['passwd'] = base64Decode(info['passwd'])
+
+    params = splitParam(params)
+    logger.debug('ShadowsocksR decode params -> %s' % params)
+    info['obfsParam'] = base64Decode(params['obfsparam']) if 'obfsparam' in params else ''
+    info['protocolParam'] = base64Decode(params['protoparam']) if 'protoparam' in params else ''
+    config['name'] = base64Decode(params['remarks']) if 'remarks' in params else ''
+    config['group'] = base64Decode(params['group']) if 'group' in params else ''
+    logger.debug('ShadowsocksR decode release -> %s', config)
+    return config

Decoder/__init__.py

@@ -1,4 +1,5 @@
 #!/usr/bin/env python3
 # -*- coding: utf-8 -*-
 
+from Decoder.ShadowsocksR import ssr
 from Decoder.Shadowsocks import ssPlain, ssCommon, sip002

Utils/Common/Coding.py

@@ -35,8 +35,8 @@ def base64Decode(content: str) -> str:  # base64 decode
 
 def checkScheme(url: str, scheme: str, name: str) -> str:  # check url scheme and remove it
     if not url.startswith('%s://' % scheme):
-        logger.debug('%s url should start with `%s://`', name, scheme)
-        raise RuntimeError('%s scheme error', name)
+        logger.warning('%s url should start with `%s://`' % (name, scheme))
+        raise RuntimeError('%s scheme error' % name)
     return url[len(scheme) + 3:]
 
 
@@ -50,3 +50,11 @@ def splitTag(url: str, fromRight: bool = True, spaceRemark: bool = True) -> tupl
     if spaceRemark:  # deal with space remark for space
         remark = remark.replace('+', ' ')
     return url, urlDecode(remark)
+
+
+def splitParam(params: str) -> dict:  # split params
+    ret = {}
+    if params != '':
+        for param in params.split('&'):
+            ret[param.split('=', 1)[0]] = urlDecode(param.split('=', 1)[1])
+    return ret

Utils/Common/__init__.py

@@ -2,6 +2,6 @@
 # -*- coding: utf-8 -*-
 
 from Utils.Common.Coding import urlEncode, urlDecode
-from Utils.Common.Coding import checkScheme, splitTag
 from Utils.Common.Coding import base64Encode, base64Decode
 from Utils.Common.Network import isVacantPort, getAvailablePort
+from Utils.Common.Coding import checkScheme, splitTag, splitParam

test.py

@@ -11,10 +11,12 @@ from Filter import Filter
 # ret = Decoder.ssPlain('ss://aes-128-ctr:pa@ss#word@8.210.148.24:34326#ok%2Bfuck')
 # ret = Decoder.ssCommon('ss://YmYtY2ZiOnRlc3QvIUAjOkAxOTIuMTY4LjEwMC4xOjg4ODg#example-server')
 # ret = Decoder.sip002('ss://YWVzLTEyOC1nY206dGVzdA@192.168.100.1:8888#Example1')
-ret = Decoder.sip002('ss://2022-blake3-aes-256-gcm:YctPZ6U7xPPcU%2Bgp3u%2B0tx%2FtRizJN9K8y%2BuKlW2qjlI%3D@192.168.100.1:8888/?plugin=v2ray-plugin%3Bserver#Example3')
-ret = {
-    'type': ret['type'],
-    'name': ret['name'],
-    'info': Filter(ret['type'], ret['info'])
-}
+# ret = Decoder.sip002('ss://2022-blake3-aes-256-gcm:YctPZ6U7xPPcU%2Bgp3u%2B0tx%2FtRizJN9K8y%2BuKlW2qjlI%3D@192.168.100.1:8888/?plugin=v2ray-plugin%3Bserver#Example3')
+
+# ret = Decoder.ssr('ssr://ZmU4MDo6MTo2MDA0OmF1dGhfYWVzMTI4X21kNTphZXMtMjU2LWNmYjp0bHMxLjJfdGlja2V0X2F1dGg6Y0dGemMzZGsvP29iZnNwYXJhbT1ZMlUzTUdVeE5EY3dOekF1ZFhCa1lYUmxMbTFwWTNKdmMyOW1kQzVqYjIwJnByb3RvcGFyYW09TVRRM01EY3dPa0pGTTIxck9RJnJlbWFya3M9UlZoQlRWQk1SUSZncm91cD1kR1Z6ZEE')
+ret = Decoder.ssr('ssr://ZmU4MDo6MTo2MDA0OmF1dGhfYWVzMTI4X21kNTphZXMtMjU2LWNmYjp0bHMxLjJfdGlja2V0X2F1dGg6Y0dGemMzZGs')
+
+# ret['info']['server'] = '[%s]' % ret['info']['server']
+
+ret['info'] = Filter(ret['type'], ret['info'])
 pprint(ret, sort_dicts = False)