同步更新：重构路由、服务模块，更新前端构建

services/proxy.py

@@ -0,0 +1,77 @@
+#!/usr/bin/env python3
+# -*- coding: utf-8 -*-
+from __future__ import annotations
+
+import re
+import time
+from typing import Optional
+
+import requests
+
+from app_logger import get_logger
+
+logger = get_logger("proxy")
+
+
+def validate_ip_port(ip_port_str: str) -> bool:
+    """验证IP:PORT格式是否有效（含范围校验）。"""
+    pattern = re.compile(r"^(\d{1,3})\.(\d{1,3})\.(\d{1,3})\.(\d{1,3}):(\d{1,5})$")
+    match = pattern.match(ip_port_str or "")
+    if not match:
+        return False
+
+    for i in range(1, 5):
+        octet = int(match.group(i))
+        if octet < 0 or octet > 255:
+            return False
+
+    port = int(match.group(5))
+    return 1 <= port <= 65535
+
+
+def get_proxy_from_api(api_url: str, max_retries: int = 3) -> Optional[str]:
+    """从API获取代理IP（支持重试）。"""
+    ip_port_pattern = re.compile(r"^\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3}:\d{1,5}$")
+    max_retries = max(1, int(max_retries or 1))
+
+    for attempt in range(max_retries):
+        try:
+            response = requests.get(api_url, timeout=10)
+            if response.status_code == 200:
+                text = response.text.strip()
+
+                # 尝试解析JSON响应
+                try:
+                    import json
+
+                    data = json.loads(text)
+                    if isinstance(data, dict):
+                        if data.get("status") not in (200, 0, None):
+                            error_msg = data.get("msg", data.get("message", "未知错误"))
+                            logger.warning(f"代理API返回错误: {error_msg} (尝试 {attempt + 1}/{max_retries})")
+                            if attempt < max_retries - 1:
+                                time.sleep(1)
+                            continue
+                        ip_port = data.get("ip") or data.get("proxy") or data.get("data")
+                        if ip_port:
+                            text = str(ip_port).strip()
+                except Exception:
+                    pass
+
+                if ip_port_pattern.match(text) and validate_ip_port(text):
+                    proxy_server = f"http://{text}"
+                    logger.info(f"获取代理成功: {proxy_server} (尝试 {attempt + 1}/{max_retries})")
+                    return proxy_server
+
+                logger.warning(f"代理格式或范围无效: {text[:50]} (尝试 {attempt + 1}/{max_retries})")
+            else:
+                logger.warning(f"获取代理失败: HTTP {response.status_code} (尝试 {attempt + 1}/{max_retries})")
+        except Exception as e:
+            logger.warning(f"获取代理异常: {str(e)} (尝试 {attempt + 1}/{max_retries})")
+
+        if attempt < max_retries - 1:
+            time.sleep(1)
+
+    logger.warning(f"获取代理失败，已重试 {max_retries} 次，将不使用代理继续")
+    return None
+