feat: support v2rayN share url

ProxyDecoder/Shadowsocks.py

@@ -4,7 +4,7 @@
 import re
 from ProxyDecoder import baseFunc
 
-def __ssPlainDecode(url: str) -> dict or None:
+def __ssPlainDecode(url: str) -> dict:
     """
     Shadowsocks原始分享链接解码
 
@@ -13,14 +13,12 @@ def __ssPlainDecode(url: str) -> dict or None:
     EXAMPLE:
         ss://bf-cfb:test@192.168.100.1:8888#EXAMPLE
     """
-    try:
     content = re.search(r'^ss://([\s\S]+?)(#[\s\S]*)?$', url) # ...#REMARK
     info = re.search(
         r'^([\S]+?):([\S]+)@([a-zA-Z0-9.:_-]+):([0-9]+)$',
         content.group(1) # method:password@server:port
     )
     remark = content.group(2)[1:] if content.group(2) is not None else ''
-        remark = remark.replace('+', ' ') # 向后兼容部分客户端
     return {
         'server': info[3],
         'port': int(info[4]),
@@ -28,10 +26,8 @@ def __ssPlainDecode(url: str) -> dict or None:
         'method': info[1],
         'remark': baseFunc.urlDecode(remark)
     }
-    except:
-        return None
 
-def __ssCommonDecode(url: str) -> dict or None:
+def __ssCommonDecode(url: str) -> dict:
     """
     Shadowsocks经典分享链接解码
 
@@ -42,7 +38,6 @@ def __ssCommonDecode(url: str) -> dict or None:
         -> YmYtY2ZiOnRlc3QvIUAjOkAxOTIuMTY4LjEwMC4xOjg4ODg
         -> ss://YmYtY2ZiOnRlc3QvIUAjOkAxOTIuMTY4LjEwMC4xOjg4ODg#example-server
     """
-    try:
     content = re.search(r'^ss://([a-zA-Z0-9_=+\\-]+)#?([\S]*)?$', url)  # base64#REMARK
     info = re.search(
         r'^([\S]+?):([\S]+)@([a-zA-Z0-9.:_-]+):([0-9]+)$',
@@ -55,10 +50,8 @@ def __ssCommonDecode(url: str) -> dict or None:
         'method': info[1],
         'remark': baseFunc.urlDecode(content.group(2))
     }
-    except:
-        return None
 
-def __sip002Decode(url: str) -> dict or None:
+def __sip002Decode(url: str) -> dict:
     """
     Shadowsocks SIP002分享链接解码
 
@@ -73,7 +66,6 @@ def __sip002Decode(url: str) -> dict or None:
 
         => ss://cmM0LW1kNTpwYXNzd2Q@192.168.100.1:8888/?plugin=obfs-local%3Bobfs%3Dhttp#Example
     """
-    try:
     content = re.search(
         r'^ss://([a-zA-Z0-9_=+\\-]+)@([a-zA-Z0-9.:_-]+):([0-9]+)'
         r'/?([\S]*)$', url  # base64@server:port/... (/可选)
@@ -121,15 +113,11 @@ def __sip002Decode(url: str) -> dict or None:
             'type': plugin.group(1),
             'param': plugin.group(2)
         }
-        if pluginField['type'] == '': # 无插件情况
+    if pluginField['type'] != '': # 带插件情况
-            info['plugin'] = None
-        else:
         info['plugin'] = pluginField
     return info
-    except:
-        return None
 
-def ssDecode(url: str) -> dict or None:
+def ssDecode(url: str, compatible: bool = False) -> dict or None:
     """
     Shadowsocks分享链接解码
 
@@ -142,17 +130,19 @@ def ssDecode(url: str) -> dict or None:
         链接不合法:
             return None
     """
-    try:
     if url[0:5] != 'ss://':
         return None
+    try:
         result = __ssCommonDecode(url) # try shadowsocks common decode
-        if result is None:
+    except:
+        try:
             result = __sip002Decode(url)  # try shadowsocks sip002 decode
-        if result is None:
+        except:
+            try:
                 result = __ssPlainDecode(url)  # try shadowsocks plain decode
-        if result is not None: # 解析成功
-            result['type'] = 'ss'
-            return result
             except:
-        pass
                 return None
+    if compatible and 'remark' in result: # 向后兼容部分客户端
+        result['remark'] = result['remark'].replace('+', ' ')
+    result['type'] = 'ss'
+    return result

ProxyDecoder/ShadowsocksR.py

@@ -4,7 +4,7 @@
 import re
 from ProxyDecoder import baseFunc
 
-def __ssrCommonDecode(url: str) -> dict or None:
+def __ssrCommonDecode(url: str) -> dict:
     """
     ShadowsocksR经典分享链接解码
 
@@ -15,7 +15,6 @@ def __ssrCommonDecode(url: str) -> dict or None:
         -> server:port:protocol:method:obfs:base64(passwd)/?...
         -> obfsparam=...&protoparam=...&remarks=...&group=...
     """
-    try:
     content = re.search(r'^ssr://([\S]+)$', url).group(1) # ssr://{base64}
     content = re.search(
         r'^([a-zA-Z0-9.:_-]*):([0-9]*):' # server:p/r
@@ -44,8 +43,6 @@ def __ssrCommonDecode(url: str) -> dict or None:
         elif field.group(1) == 'group':
             info['group'] = baseFunc.base64Decode(field.group(2))
     return info
-    except:
-        return None
 
 def ssrDecode(url: str) -> dict or None:
     """
@@ -60,13 +57,11 @@ def ssrDecode(url: str) -> dict or None:
         链接不合法:
             return None
     """
-    try:
     if url[0:6] != 'ssr://':
         return None
+    try:
         result = __ssrCommonDecode(url) # try common decode
-        if result is not None: # 解析成功
-            result['type'] = 'ssr'
-            return result
     except:
-        pass
         return None
+    result['type'] = 'ssr'
+    return result

ProxyDecoder/VMess.py

@@ -0,0 +1,142 @@
+#!/usr/bin/python
+# -*- coding:utf-8 -*-
+
+import re
+import json
+from ProxyDecoder import baseFunc
+
+def __splitEdParam(path: str) -> tuple[int or None, str]: # 分离early-data参数
+    if path.find('?') == -1:
+        return None, path
+    content = re.search(r'^([\s\S]*?)\?([\s\S]*)$', path)
+    ed = None
+    params = []
+    for field in content[2].split('&'): # ?param_a=...&param_b=...
+        if not field.startswith('ed='):
+            params.append(field)
+            continue
+        ed = int(field[3:]) # ed=...
+    if ed is None: # ed param not found
+        return None, path
+    if not params: # param -> []
+        return ed, content[1]
+    return ed, content[1] + '?' + '&'.join(params)
+
+def __vmessV2raynDecode(url: str) -> dict:
+    """
+    v2rayN / v2rayNG分享链接解码
+
+    FORMAT: vmess://BASE64-ENCODED-JSON-STRING
+
+        {
+          "v": "2",
+          "ps": "...",
+          "add": "...",
+          "port": "...",
+          "id": "...",
+          "aid": "...",
+          "scy": "...",
+          "net": "...",
+          "type": "...",
+          "host": "...",
+          "path": "...",
+          "tls": "...",
+          "sni": "...",
+          "alpn": "..."
+        }
+    """
+    content = json.loads(
+        baseFunc.base64Decode(
+            re.search(r'^vmess://([\S]+)$', url).group(1) # vmess://{base64}
+        )
+    )
+    if int(content['v']) != 2: # version => 2
+        raise Exception('Unknown version field')
+    info = {
+        'server': content['add'],
+        'port': int(content['port']),
+        'id': content['id'],
+        'aid': int(content['aid']),
+    }
+    if 'ps' in content: # ps -> remark
+        info['remark'] = content['ps']
+    if 'scy' in content: # scy -> method
+        info['method'] = content['scy']
+    stream = {
+        'type': content['net'] # net -> stream.type
+    }
+    if content['net'] == 'tcp':
+        if 'http' in content and content['type'] == 'http': # type -> none / http
+            stream['obfs'] = {
+                'host': content['host'],
+                'path': content['path']
+            }
+    elif content['net'] == 'kcp':
+        if 'type' in content:
+            stream['obfs'] = content['type']
+        if 'path' in content:
+            stream['seed'] = content['path'] # path -> seed
+    elif content['net'] == 'ws':
+        if 'host' in content:
+            stream['host'] = content['host']
+        if 'path' in content:
+            try:
+                stream['ed'], stream['path'] = __splitEdParam(content['path'])
+            except:
+                stream['path'] = content['path']
+    elif content['net'] == 'h2':
+        if 'host' in content:
+            stream['host'] = content['host']
+        if 'path' in content:
+            stream['path'] = content['path']
+    elif content['net'] == 'quic':
+        if 'type' in content:
+            stream['obfs'] = content['type']
+        if 'host' in content:
+            stream['method'] = content['host']
+        if 'path' in content:
+            stream['passwd'] = content['path']
+    elif content['net'] == 'grpc':
+        if 'type' in content and content['type'] == 'multi':
+            stream['mode'] = 'multi'
+        if 'path' in content:
+            stream['service'] = content['path']
+    else:
+        raise Exception('Unknown network type')
+
+    secure = None
+    if 'tls' in content and content['tls'] == 'tls': # enable TLS
+        secure = {}
+        if 'sni' in content:
+            secure['sni'] = content['sni'] # sni option
+        if 'alpn' in content:
+            if content['alpn'] == '':
+                secure['alpn'] = None # ignore alpn option
+            else:
+                secure['alpn'] = content['alpn'] # h2 | http/1.1 | h2,http/1.1
+
+    stream['secure'] = secure
+    info['stream'] = stream
+    return info
+
+def vmessDecode(url: str) -> dict or None:
+    """
+    VMess分享链接解码
+
+        链接合法:
+            return {
+                'type': 'vmess',
+                ...
+            }
+
+        链接不合法:
+            return None
+    """
+    if url[0:8] != 'vmess://':
+        return None
+    try:
+        result = __vmessV2raynDecode(url) # try v2rayN decode
+    except:
+        return None
+    result['type'] = 'vmess'
+    return result

ProxyDecoder/decoder.py

@@ -4,6 +4,7 @@
 import re
 from ProxyDecoder import Shadowsocks
 from ProxyDecoder import ShadowsocksR
+from ProxyDecoder import VMess
 
 def decode(url: str) -> dict or None:
     """
@@ -22,9 +23,11 @@ def decode(url: str) -> dict or None:
     try:
         scheme = re.search(r'^([\S]+?)://([\s\S]+)$', url).group(1)
         if scheme == 'ss':
-            return Shadowsocks.ssDecode(url)
+            return Shadowsocks.ssDecode(url, compatible = True)
         elif scheme == 'ssr':
             return ShadowsocksR.ssrDecode(url)
+        elif scheme == 'vmess':
+            return VMess.vmessDecode(url)
     except:
         pass
     return None