7907716c9f
- monitor-server.js: Cookie存储改为Map合并机制，避免丢失CDN Cookie导致403 - checkActivity.js: 补上Cookie两步请求逻辑，修复无Cookie直接请求失败的问题 - public/index.html: 新增20秒刷新间隔选项
99 lines
3.5 KiB
JavaScript
99 lines
3.5 KiB
JavaScript
const express = require('express');
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const cors = require('cors');
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const path = require('path');
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const app = express();
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const PORT = 3000;
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app.use(cors());
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app.use(express.static(path.join(__dirname, 'public')));
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const ACTIVITY_URL = 'https://www.szhdy.com/activities/default.html?method=activity&id=9';
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const REQUEST_HEADERS = {
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'User-Agent': 'Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/120.0.0.0 Safari/537.36',
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'Accept': 'text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,*/*;q=0.8',
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'Accept-Language': 'zh-CN,zh;q=0.9,en;q=0.8',
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'Connection': 'keep-alive',
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'Upgrade-Insecure-Requests': '1',
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};
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// 存储 Cookie（key-value Map，支持合并更新）
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let cookieJar = new Map();
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let cookieExpiry = 0;
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// 从 set-cookie 响应头提取 Cookie，合并到 cookieJar
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function mergeCookies(response) {
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const setCookieHeaders = response.headers.getSetCookie?.() || [];
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for (const header of setCookieHeaders) {
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const pair = header.split(';')[0]; // 取 name=value 部分
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const eqIdx = pair.indexOf('=');
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if (eqIdx > 0) {
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const name = pair.substring(0, eqIdx).trim();
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const value = pair.substring(eqIdx + 1).trim();
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cookieJar.set(name, value);
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}
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}
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}
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// 将 cookieJar 序列化为请求头格式
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function getCookieString() {
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return Array.from(cookieJar.entries()).map(([k, v]) => `${k}=${v}`).join('; ');
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}
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// 获取有效 Cookie（过期或为空时重新获取）
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async function getValidCookies() {
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if (cookieJar.size > 0 && Date.now() < cookieExpiry) {
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return getCookieString();
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}
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console.log('[Cookie] 正在获取新的 Cookie...');
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cookieJar.clear();
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const response = await fetch(ACTIVITY_URL, { headers: REQUEST_HEADERS, redirect: 'manual' });
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mergeCookies(response);
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// CDN Cookie 有效期 2 小时，保守取 1 小时刷新
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cookieExpiry = Date.now() + 3600 * 1000;
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console.log('[Cookie] 获取成功:', getCookieString());
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return getCookieString();
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}
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app.get('/api/activity', async (req, res) => {
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try {
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const cookies = await getValidCookies();
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const response = await fetch(ACTIVITY_URL, {
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headers: {
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...REQUEST_HEADERS,
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'Cookie': cookies,
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}
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});
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const html = await response.text();
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// 合并第二次请求返回的 Cookie（如 PHPSESSID）
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mergeCookies(response);
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// 如果返回内容过短，可能 Cookie 失效，清除缓存并重试一次
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if (html.length < 1000) {
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console.log('[Cookie] 响应内容过短，尝试刷新 Cookie 重试...');
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cookieJar.clear();
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cookieExpiry = 0;
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const newCookies = await getValidCookies();
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const retryResponse = await fetch(ACTIVITY_URL, {
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headers: {
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...REQUEST_HEADERS,
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'Cookie': newCookies,
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}
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});
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const retryHtml = await retryResponse.text();
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mergeCookies(retryResponse);
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return res.json({ success: true, html: retryHtml });
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}
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res.json({ success: true, html });
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} catch (error) {
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res.status(500).json({ success: false, error: error.message });
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}
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});
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app.listen(PORT, () => {
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console.log(`活动监控服务已启动: http://localhost:${PORT}`);
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});
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