Revert "fix: validate and replace hostname with resolved IP in request URL"

This reverts commit 2344623.

Author: wxg0103

apps/oss/serializers/file.py

@@ -176,22 +176,14 @@ class SafeHTTPAdapter(HTTPAdapter):
     """
 
     def send(self, request, **kwargs):
-        parsed = urlparse(request.url)
-        host = parsed.hostname
-        port = parsed.port or (443 if parsed.scheme == 'https' else 80)
-
-        # Resolve ONCE
-        addr_infos = socket.getaddrinfo(host, port, socket.AF_INET, socket.SOCK_STREAM)
-        validated_ip = None
-        for info in addr_infos:
-            ip = info[4][0]
-            if self._is_unsafe_ip(ip):
-                raise ValueError(f"Blocked: {ip}")
-            validated_ip = ip
-
-        # PIN: replace hostname with validated IP in the URL
-        request.url = request.url.replace(f"//{host}", f"//{validated_ip}", 1)
-        request.headers['Host'] = host  # Preserve Host header for virtual hosting
+        # 解析 URL 获取主机名
+        parsed_url = urlparse(request.url)
+        host = parsed_url.hostname
+
+        if host:
+            # 验证目标 IP 是否安全
+            self._validate_host_ip(host)
+
         return super().send(request, **kwargs)
 
     def _validate_host_ip(self, host: str):