feat: support v2rayN share url

2 years ago · f7cc7c860a
4 changed files with 268 additions and 138 deletions
--- a/ProxyDecoder/Shadowsocks.py
+++ b/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

@ -13,25 +13,21 @@ 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]),
-            'passwd': info[2],
-            'method': info[1],
-            'remark': baseFunc.urlDecode(remark)
-        }
-    except:
-        return None
+    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 ''
+    return {
+        'server': info[3],
+        'port': int(info[4]),
+        'passwd': info[2],
+        'method': info[1],
+        'remark': baseFunc.urlDecode(remark)
+    }

-def __ssCommonDecode(url: str) -> dict or None:
+def __ssCommonDecode(url: str) -> dict:
    """
    Shadowsocks经典分享链接解码

@ -42,23 +38,20 @@ def __ssCommonDecode(url: str) -> dict or None:
        -> YmYtY2ZiOnRlc3QvIUAjOkAxOTIuMTY4LjEwMC4xOjg4ODg
        -> ss://YmYtY2ZiOnRlc3QvIUAjOkAxOTIuMTY4LjEwMC4xOjg4ODg#example-server
    """
-    try:
-        content = re.search(r'^ss://([a-zA-Z0-9_=+\\-]+)#?([\S]*)?$', url)  # base64#REMARK
-        info = re.search(
-            r'^([\S]+?):([\S]+)@([a-zA-Z0-9.:_-]+):([0-9]+)$',
-            baseFunc.base64Decode(content.group(1)) # method:password@server:port
-        )
-        return {
-            'server': info[3],
-            'port': int(info[4]),
-            'passwd': info[2],
-            'method': info[1],
-            'remark': baseFunc.urlDecode(content.group(2))
-        }
-    except:
-        return None
+    content = re.search(r'^ss://([a-zA-Z0-9_=+\\-]+)#?([\S]*)?$', url)  # base64#REMARK
+    info = re.search(
+        r'^([\S]+?):([\S]+)@([a-zA-Z0-9.:_-]+):([0-9]+)$',
+        baseFunc.base64Decode(content.group(1)) # method:password@server:port
+    )
+    return {
+        'server': info[3],
+        'port': int(info[4]),
+        'passwd': info[2],
+        'method': info[1],
+        'remark': baseFunc.urlDecode(content.group(2))
+    }

-def __sip002Decode(url: str) -> dict or None:
+def __sip002Decode(url: str) -> dict:
    """
    Shadowsocks SIP002分享链接解码

@ -73,63 +66,58 @@ 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]*)$', url  # base64@server:port/... (/可选)
+    )
+    userInfo = re.search(
+        r'^([\S]+?):([\S]+)$',
+        baseFunc.base64Decode(content.group(1)) # method:password
+    )
+    info = {
+        'server': content.group(2),
+        'port': int(content.group(3)),
+        'passwd': userInfo.group(2),
+        'method': userInfo.group(1),
+        'remark': ''
+    }
+    if content.group(4).find('#') != -1: # ...#REMARK
        content = re.search(
-            r'^ss://([a-zA-Z0-9_=+\\-]+)@([a-zA-Z0-9.:_-]+):([0-9]+)'
-            r'/?([\S]*)$', url  # base64@server:port/... (/可选)
+            r'^\??([\S]*)#([\S]*)$',
+            content.group(4) # ?...#REMARK (?可选)
+        )
+        info['remark'] = baseFunc.urlDecode(
+            content.group(2)
        )
-        userInfo = re.search(
-            r'^([\S]+?):([\S]+)$',
-            baseFunc.base64Decode(content.group(1)) # method:password
+    else:
+        content = re.search(
+            r'^\??([\S]*)$',
+            content.group(4) # ?... (?可选)
        )
-        info = {
-            'server': content.group(2),
-            'port': int(content.group(3)),
-            'passwd': userInfo.group(2),
-            'method': userInfo.group(1),
-            'remark': ''
+    plugin = ''
+    for field in content.group(1).split('&'): # /?plugin=...&other1=...&other2=...
+        if field.find('=') == -1: # 缺失xxx=...
+            continue
+        field = re.search(r'^([\S]*?)=([\S]*)$', field) # xxx=...
+        if field.group(1) == 'plugin':
+            plugin = baseFunc.urlDecode(field.group(2)) # plugin参数
+            break
+    if plugin.find(';') == -1: # plugin=... (无参数)
+        pluginField = {
+            'type': plugin,
+            'param': ''
        }
-        if content.group(4).find('#') != -1: # ...#REMARK
-            content = re.search(
-                r'^\??([\S]*)#([\S]*)$',
-                content.group(4) # ?...#REMARK (?可选)
-            )
-            info['remark'] = baseFunc.urlDecode(
-                content.group(2)
-            )
-        else:
-            content = re.search(
-                r'^\??([\S]*)$',
-                content.group(4) # ?... (?可选)
-            )
-        plugin = ''
-        for field in content.group(1).split('&'): # /?plugin=...&other1=...&other2=...
-            if field.find('=') == -1: # 缺失xxx=...
-                continue
-            field = re.search(r'^([\S]*?)=([\S]*)$', field) # xxx=...
-            if field.group(1) == 'plugin':
-                plugin = baseFunc.urlDecode(field.group(2)) # plugin参数
-                break
-        if plugin.find(';') == -1: # plugin=... (无参数)
-            pluginField = {
-                'type': plugin,
-                'param': ''
-            }
-        else: # plugin=...;... (带参数)
-            plugin = re.search(r'^([\S]*?);([\S]*)$', plugin) # 插件名;插件参数
-            pluginField = {
-                'type': plugin.group(1),
-                'param': plugin.group(2)
-            }
-        if pluginField['type'] == '': # 无插件情况
-            info['plugin'] = None
-        else:
-            info['plugin'] = pluginField
-        return info
-    except:
-        return None
+    else: # plugin=...;... (带参数)
+        plugin = re.search(r'^([\S]*?);([\S]*)$', plugin) # 插件名;插件参数
+        pluginField = {
+            'type': plugin.group(1),
+            'param': plugin.group(2)
+        }
+    if pluginField['type'] != '': # 带插件情况
+        info['plugin'] = pluginField
+    return info

-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
    """
+    if url[0:5] != 'ss://':
+        return None
    try:
-        if url[0:5] != 'ss://':
-            return None
        result = __ssCommonDecode(url) # try shadowsocks common decode
-        if result is None:
-            result = __sip002Decode(url) # try shadowsocks sip002 decode
-        if result is None:
-            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
+        try:
+            result = __sip002Decode(url)  # try shadowsocks sip002 decode
+        except:
+            try:
+                result = __ssPlainDecode(url)  # try shadowsocks plain decode
+            except:
+                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
--- a/ProxyDecoder/ShadowsocksR.py
+++ b/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

@ -15,37 +15,34 @@ 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]+)$', url).group(1) # ssr://{base64}
-        content = re.search(
-            r'^([a-zA-Z0-9.:_-]*):([0-9]*):' # server:p/r
-            r'([0-9a-zA-Z_.-]*):([0-9a-zA-Z_.-]*):([0-9a-zA-Z_.-]*):' # protocol:method:obfs:
-            r'([0-9a-zA-Z_=+\\-]*)(/\?)?([\S]*)?$', # base(passwd)/?...
-            baseFunc.base64Decode(content)
-        )
-        info = {
-            'server': content.group(1),
-            'port': int(content.group(2)),
-            'passwd': baseFunc.base64Decode(content.group(6)),
-            'method': content.group(4),
-            'protocol': content.group(3),
-            'obfs': content.group(5),
-        }
-        for field in content.group(8).split('&'): # /?obfsparam=...&protoparam=...&remarks=...&group=...
-            if field.find('=') == -1: # 缺失xxx=...
-                continue
-            field = re.search(r'^([\S]*?)=([\S]*)$', field) # xxx=...
-            if field.group(1) == 'protoparam':
-                info['protocolParam'] = baseFunc.base64Decode(field.group(2))
-            elif field.group(1) == 'obfsparam':
-                info['obfsParam'] = baseFunc.base64Decode(field.group(2))
-            elif field.group(1) == 'remarks':
-                info['remark'] = baseFunc.base64Decode(field.group(2))
-            elif field.group(1) == 'group':
-                info['group'] = baseFunc.base64Decode(field.group(2))
-        return info
-    except:
-        return None
+    content = re.search(r'^ssr://([\S]+)$', url).group(1) # ssr://{base64}
+    content = re.search(
+        r'^([a-zA-Z0-9.:_-]*):([0-9]*):' # server:p/r
+        r'([0-9a-zA-Z_.-]*):([0-9a-zA-Z_.-]*):([0-9a-zA-Z_.-]*):' # protocol:method:obfs:
+        r'([0-9a-zA-Z_=+\\-]*)(/\?)?([\S]*)?$', # base(passwd)/?...
+        baseFunc.base64Decode(content)
+    )
+    info = {
+        'server': content.group(1),
+        'port': int(content.group(2)),
+        'passwd': baseFunc.base64Decode(content.group(6)),
+        'method': content.group(4),
+        'protocol': content.group(3),
+        'obfs': content.group(5),
+    }
+    for field in content.group(8).split('&'): # /?obfsparam=...&protoparam=...&remarks=...&group=...
+        if field.find('=') == -1: # 缺失xxx=...
+            continue
+        field = re.search(r'^([\S]*?)=([\S]*)$', field) # xxx=...
+        if field.group(1) == 'protoparam':
+            info['protocolParam'] = baseFunc.base64Decode(field.group(2))
+        elif field.group(1) == 'obfsparam':
+            info['obfsParam'] = baseFunc.base64Decode(field.group(2))
+        elif field.group(1) == 'remarks':
+            info['remark'] = baseFunc.base64Decode(field.group(2))
+        elif field.group(1) == 'group':
+            info['group'] = baseFunc.base64Decode(field.group(2))
+    return info

 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
    """
+    if url[0:6] != 'ssr://':
+        return None
    try:
-        if url[0:6] != 'ssr://':
-            return None
        result = __ssrCommonDecode(url) # try common decode
-        if result is not None: # 解析成功
-            result['type'] = 'ssr'
-            return result
    except:
-        pass
-    return None
+        return None
+    result['type'] = 'ssr'
+    return result
--- a/ProxyDecoder/VMess.py
+++ b/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
--- a/ProxyDecoder/decoder.py
+++ b/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