fix proxy detect

managers/proxy_manager.py

@@ -104,6 +104,48 @@ class Proxy:
         return None
 
 
+async def detect_proxy_type(
+    ip: str,
+    port: str,
+    login: Optional[str] = None,
+    password: Optional[str] = None,
+    timeout: float = 5.0,
+    test_url: str = "http://api.ipify.org"
+) -> Optional[ProxyType]:
+    """
+    Определяет тип прокси подключением.
+    Пробует SOCKS5 → SOCKS4 → HTTP. Возвращает первый рабочий или None.
+    """
+    import aiohttp
+
+    candidates = [
+        (ProxyType.SOCKS5, f"socks5://{ip}:{port}"),
+        (ProxyType.SOCKS4, f"socks4://{ip}:{port}"),
+        (ProxyType.HTTP,   f"http://{ip}:{port}"),
+    ]
+
+    auth = aiohttp.BasicAuth(login, password) if login and password else None
+
+    for proxy_type, proxy_url in candidates:
+        try:
+            connector = aiohttp.TCPConnector(ssl=False)
+            async with aiohttp.ClientSession(connector=connector) as session:
+                async with session.get(
+                    test_url,
+                    proxy=proxy_url,
+                    proxy_auth=auth,
+                    timeout=aiohttp.ClientTimeout(total=timeout),
+                ) as resp:
+                    if resp.status == 200:
+                        logger.info(f"Proxy {ip}:{port} detected as {proxy_type.value}")
+                        return proxy_type
+        except Exception:
+            pass
+
+    logger.warning(f"Proxy {ip}:{port} — type not detected")
+    return None
+
+
 class ProxyManager:
     """
     Менеджер прокси с поддержкой SOCKS5 и HTTP.