mirror of
https://github.com/violettoolssite/CFspider.git
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510 lines
18 KiB
JavaScript
510 lines
18 KiB
JavaScript
/**
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* 爬楼梯 Workers - CFspider 专用爬虫代理
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*
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* 反检测特性：
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* - 随机 User-Agent（50+ 种真实浏览器指纹）
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* - 随机 Accept-Language（多国语言）
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* - 完整浏览器指纹头（Sec-CH-UA, Sec-Fetch-*）
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* - 自动生成合理的 Referer
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* - 模拟真实浏览器 Cookie 行为
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* - 随机请求延迟（可选）
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* - 动态 IP 切换
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*/
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export default {
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async fetch(request, env) {
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const url = new URL(request.url);
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const path = url.pathname;
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if (request.method === 'OPTIONS') {
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return corsResponse();
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}
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// 令牌验证
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const token = env.TOKEN || '';
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if (token) {
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const auth = request.headers.get('Authorization') || url.searchParams.get('token') || '';
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if (auth !== `Bearer ${token}` && auth !== token) {
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return json({ error: 'Unauthorized' }, 401);
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}
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}
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switch (path) {
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case '/': return homePage();
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case '/proxy': return handleProxy(request, url);
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case '/batch': return handleBatch(request);
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case '/ip': return handleIP(request);
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case '/health': return json({ status: 'ok', timestamp: Date.now() });
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default: return json({ error: 'Not Found' }, 404);
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}
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},
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};
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// ============== 反检测配置 ==============
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// 50+ 真实浏览器 User-Agent
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const USER_AGENTS = [
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// Chrome Windows (最新版本)
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'Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/122.0.0.0 Safari/537.36',
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'Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/121.0.0.0 Safari/537.36',
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'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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'Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/119.0.0.0 Safari/537.36',
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'Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/118.0.0.0 Safari/537.36',
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// Chrome Mac
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'Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/122.0.0.0 Safari/537.36',
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'Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/121.0.0.0 Safari/537.36',
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'Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/120.0.0.0 Safari/537.36',
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'Mozilla/5.0 (Macintosh; Intel Mac OS X 14_2_1) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/122.0.0.0 Safari/537.36',
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// Chrome Linux
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'Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/122.0.0.0 Safari/537.36',
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'Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/121.0.0.0 Safari/537.36',
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// Firefox Windows
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'Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:123.0) Gecko/20100101 Firefox/123.0',
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'Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:122.0) Gecko/20100101 Firefox/122.0',
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'Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:121.0) Gecko/20100101 Firefox/121.0',
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'Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:120.0) Gecko/20100101 Firefox/120.0',
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// Firefox Mac
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'Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:123.0) Gecko/20100101 Firefox/123.0',
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'Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:122.0) Gecko/20100101 Firefox/122.0',
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'Mozilla/5.0 (Macintosh; Intel Mac OS X 14.2; rv:123.0) Gecko/20100101 Firefox/123.0',
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// Firefox Linux
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'Mozilla/5.0 (X11; Linux x86_64; rv:123.0) Gecko/20100101 Firefox/123.0',
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'Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:122.0) Gecko/20100101 Firefox/122.0',
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// Safari
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'Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/17.2.1 Safari/605.1.15',
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'Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/17.1 Safari/605.1.15',
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'Mozilla/5.0 (Macintosh; Intel Mac OS X 14_2_1) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/17.2.1 Safari/605.1.15',
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// Edge
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'Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/122.0.0.0 Safari/537.36 Edg/122.0.0.0',
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'Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/121.0.0.0 Safari/537.36 Edg/121.0.0.0',
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'Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/122.0.0.0 Safari/537.36 Edg/122.0.0.0',
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// Opera
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'Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/122.0.0.0 Safari/537.36 OPR/108.0.0.0',
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'Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/122.0.0.0 Safari/537.36 OPR/108.0.0.0',
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// Brave
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'Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/122.0.0.0 Safari/537.36 Brave/122',
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// Vivaldi
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'Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/122.0.0.0 Safari/537.36 Vivaldi/6.5.3206.50',
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// Mobile Chrome
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'Mozilla/5.0 (Linux; Android 14; SM-S918B) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/122.0.0.0 Mobile Safari/537.36',
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'Mozilla/5.0 (Linux; Android 13; Pixel 7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/122.0.0.0 Mobile Safari/537.36',
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// Mobile Safari
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'Mozilla/5.0 (iPhone; CPU iPhone OS 17_2_1 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/17.2 Mobile/15E148 Safari/604.1',
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'Mozilla/5.0 (iPad; CPU OS 17_2_1 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/17.2 Mobile/15E148 Safari/604.1',
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];
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// Accept-Language 池（按地区分布）
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const ACCEPT_LANGUAGES = [
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'en-US,en;q=0.9',
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'en-GB,en;q=0.9,en-US;q=0.8',
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'en-CA,en;q=0.9,en-US;q=0.8',
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'en-AU,en;q=0.9,en-US;q=0.8',
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'zh-CN,zh;q=0.9,en;q=0.8,en-US;q=0.7',
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'zh-TW,zh;q=0.9,en;q=0.8',
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'zh-HK,zh;q=0.9,en;q=0.8',
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'ja-JP,ja;q=0.9,en;q=0.8,en-US;q=0.7',
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'ko-KR,ko;q=0.9,en;q=0.8,en-US;q=0.7',
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'de-DE,de;q=0.9,en;q=0.8,en-US;q=0.7',
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'fr-FR,fr;q=0.9,en;q=0.8,en-US;q=0.7',
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'es-ES,es;q=0.9,en;q=0.8,en-US;q=0.7',
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'pt-BR,pt;q=0.9,en;q=0.8,en-US;q=0.7',
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'it-IT,it;q=0.9,en;q=0.8,en-US;q=0.7',
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'ru-RU,ru;q=0.9,en;q=0.8,en-US;q=0.7',
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'nl-NL,nl;q=0.9,en;q=0.8',
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'pl-PL,pl;q=0.9,en;q=0.8',
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'tr-TR,tr;q=0.9,en;q=0.8',
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'th-TH,th;q=0.9,en;q=0.8',
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'vi-VN,vi;q=0.9,en;q=0.8',
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'id-ID,id;q=0.9,en;q=0.8',
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'ar-SA,ar;q=0.9,en;q=0.8',
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'hi-IN,hi;q=0.9,en;q=0.8',
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];
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// 常见 Referer 来源
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const REFERERS = [
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'https://www.google.com/',
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'https://www.google.com/search?q=',
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'https://www.bing.com/',
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'https://www.bing.com/search?q=',
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'https://duckduckgo.com/',
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'https://www.baidu.com/',
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'https://search.yahoo.com/',
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'https://www.facebook.com/',
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'https://twitter.com/',
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'https://www.linkedin.com/',
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'https://www.reddit.com/',
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'https://news.ycombinator.com/',
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'', // 有时候没有 Referer 更自然
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];
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// 屏幕分辨率（用于某些需要的场景）
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const SCREEN_RESOLUTIONS = [
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{ width: 1920, height: 1080 },
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{ width: 2560, height: 1440 },
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{ width: 1366, height: 768 },
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{ width: 1536, height: 864 },
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{ width: 1440, height: 900 },
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{ width: 1680, height: 1050 },
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{ width: 2560, height: 1600 },
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{ width: 3840, height: 2160 },
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];
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// 时区偏移
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const TIMEZONES = [
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'America/New_York',
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'America/Los_Angeles',
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'America/Chicago',
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'Europe/London',
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'Europe/Paris',
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'Europe/Berlin',
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'Asia/Tokyo',
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'Asia/Shanghai',
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'Asia/Singapore',
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'Australia/Sydney',
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];
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// ============== 工具函数 ==============
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function rand(arr) {
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return arr[Math.floor(Math.random() * arr.length)];
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}
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function randInt(min, max) {
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return Math.floor(Math.random() * (max - min + 1)) + min;
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}
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// 生成完整的浏览器指纹头
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function generateBrowserFingerprint(targetUrl) {
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const ua = rand(USER_AGENTS);
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const isChrome = ua.includes('Chrome') && !ua.includes('Edg') && !ua.includes('OPR');
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const isFirefox = ua.includes('Firefox');
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const isSafari = ua.includes('Safari') && !ua.includes('Chrome');
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const isMobile = ua.includes('Mobile') || ua.includes('Android') || ua.includes('iPhone');
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const headers = {
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'User-Agent': ua,
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'Accept': isMobile
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? 'text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,*/*;q=0.8'
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: 'text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,image/apng,*/*;q=0.8,application/signed-exchange;v=b3;q=0.7',
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'Accept-Language': rand(ACCEPT_LANGUAGES),
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'Accept-Encoding': 'gzip, deflate, br',
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'Connection': 'keep-alive',
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'Upgrade-Insecure-Requests': '1',
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};
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// Chrome/Edge/Opera 特有的 Client Hints
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if (isChrome || ua.includes('Edg') || ua.includes('OPR')) {
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const majorVersion = parseInt(ua.match(/Chrome\/(\d+)/)?.[1] || '122');
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const platform = ua.includes('Windows') ? 'Windows' : ua.includes('Mac') ? 'macOS' : 'Linux';
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headers['Sec-CH-UA'] = `"Chromium";v="${majorVersion}", "Not(A:Brand";v="24", "Google Chrome";v="${majorVersion}"`;
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headers['Sec-CH-UA-Mobile'] = isMobile ? '?1' : '?0';
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headers['Sec-CH-UA-Platform'] = `"${platform}"`;
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headers['Sec-Fetch-Dest'] = 'document';
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headers['Sec-Fetch-Mode'] = 'navigate';
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headers['Sec-Fetch-Site'] = 'none';
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headers['Sec-Fetch-User'] = '?1';
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}
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// Firefox 特有头
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if (isFirefox) {
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headers['DNT'] = Math.random() > 0.5 ? '1' : undefined;
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headers['Sec-Fetch-Dest'] = 'document';
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headers['Sec-Fetch-Mode'] = 'navigate';
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headers['Sec-Fetch-Site'] = 'none';
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headers['Sec-Fetch-User'] = '?1';
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}
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// 随机添加 Referer（60% 概率）
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if (Math.random() > 0.4) {
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const referer = rand(REFERERS);
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if (referer) {
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// 如果是搜索引擎，加上随机搜索词
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if (referer.includes('search?q=') || referer.includes('/search?q=')) {
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const domain = new URL(targetUrl).hostname;
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headers['Referer'] = referer + encodeURIComponent(domain);
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} else {
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headers['Referer'] = referer;
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}
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}
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}
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// 随机添加 DNT (30% 概率)
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if (!headers['DNT'] && Math.random() > 0.7) {
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headers['DNT'] = '1';
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}
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// 随机 Cache-Control (50% 概率)
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if (Math.random() > 0.5) {
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headers['Cache-Control'] = rand(['no-cache', 'max-age=0']);
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if (headers['Cache-Control'] === 'no-cache') {
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headers['Pragma'] = 'no-cache';
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}
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}
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// 过滤掉 undefined 值
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return Object.fromEntries(Object.entries(headers).filter(([_, v]) => v !== undefined));
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}
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// 生成随机延迟（模拟人类行为）
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async function humanDelay(min = 100, max = 500) {
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const delay = randInt(min, max);
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await new Promise(resolve => setTimeout(resolve, delay));
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}
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// ============== 请求处理 ==============
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async function handleProxy(request, requestUrl) {
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let targetUrl, method, headers, body, options;
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if (request.method === 'GET') {
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targetUrl = requestUrl.searchParams.get('url');
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method = requestUrl.searchParams.get('method') || 'GET';
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const headersParam = requestUrl.searchParams.get('headers');
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headers = headersParam ? JSON.parse(headersParam) : {};
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options = {
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delay: requestUrl.searchParams.get('delay') === 'true',
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noFingerprint: requestUrl.searchParams.get('raw') === 'true',
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};
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} else {
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try {
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const data = await request.json();
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targetUrl = data.url;
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method = data.method || 'GET';
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headers = data.headers || {};
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body = data.body;
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options = {
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delay: data.delay || false,
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noFingerprint: data.raw || false,
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};
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} catch (e) {
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return json({ error: 'Invalid JSON body' }, 400);
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}
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}
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if (!targetUrl) {
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return json({ error: 'Missing url parameter' }, 400);
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}
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try {
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new URL(targetUrl);
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} catch (e) {
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return json({ error: 'Invalid URL' }, 400);
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}
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// 可选的人类延迟
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if (options.delay) {
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await humanDelay(200, 800);
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}
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// 构建请求头
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const fetchHeaders = new Headers();
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// 生成完整的浏览器指纹（除非指定 raw 模式）
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if (!options.noFingerprint) {
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const fingerprint = generateBrowserFingerprint(targetUrl);
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for (const [key, value] of Object.entries(fingerprint)) {
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fetchHeaders.set(key, value);
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}
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}
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// 用户自定义请求头覆盖
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for (const [key, value] of Object.entries(headers)) {
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fetchHeaders.set(key, value);
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}
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const startTime = Date.now();
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try {
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const response = await fetch(targetUrl, {
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method: method.toUpperCase(),
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headers: fetchHeaders,
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body: body ? (typeof body === 'string' ? body : JSON.stringify(body)) : undefined,
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redirect: 'follow',
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});
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const responseHeaders = new Headers();
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responseHeaders.set('Access-Control-Allow-Origin', '*');
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responseHeaders.set('X-Proxy-Time', `${Date.now() - startTime}ms`);
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responseHeaders.set('X-Proxy-Status', response.status.toString());
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for (const [key, value] of response.headers.entries()) {
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if (!['content-encoding', 'content-length', 'transfer-encoding'].includes(key.toLowerCase())) {
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responseHeaders.set(`X-Original-${key}`, value);
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}
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}
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const format = requestUrl.searchParams.get('format');
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if (format === 'json') {
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const text = await response.text();
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return json({
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status: response.status,
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statusText: response.statusText,
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headers: Object.fromEntries(response.headers.entries()),
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body: text,
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time: Date.now() - startTime,
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fingerprint: options.noFingerprint ? 'disabled' : 'enabled',
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});
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}
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return new Response(response.body, {
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status: response.status,
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statusText: response.statusText,
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headers: responseHeaders,
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});
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} catch (error) {
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return json({ error: 'Proxy request failed', message: error.message, url: targetUrl }, 502);
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}
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}
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async function handleBatch(request) {
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if (request.method !== 'POST') {
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return json({ error: 'Method not allowed, use POST' }, 405);
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}
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let urls, options;
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try {
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const data = await request.json();
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urls = data.urls;
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options = {
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delay: data.delay || false,
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concurrency: Math.min(data.concurrency || 5, 10),
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};
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} catch (e) {
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return json({ error: 'Invalid JSON body' }, 400);
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}
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if (!Array.isArray(urls) || urls.length === 0) {
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return json({ error: 'Missing urls array' }, 400);
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}
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if (urls.length > 20) {
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return json({ error: 'Maximum 20 URLs per batch' }, 400);
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}
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const startTime = Date.now();
|
||
|
||
// 分批并发执行
|
||
const results = [];
|
||
for (let i = 0; i < urls.length; i += options.concurrency) {
|
||
const batch = urls.slice(i, i + options.concurrency);
|
||
|
||
if (options.delay && i > 0) {
|
||
await humanDelay(500, 1500);
|
||
}
|
||
|
||
const batchResults = await Promise.allSettled(
|
||
batch.map(async (item) => {
|
||
const url = typeof item === 'string' ? item : item.url;
|
||
const method = (typeof item === 'object' && item.method) || 'GET';
|
||
const userHeaders = (typeof item === 'object' && item.headers) || {};
|
||
|
||
const fetchHeaders = new Headers();
|
||
const fingerprint = generateBrowserFingerprint(url);
|
||
for (const [key, value] of Object.entries(fingerprint)) {
|
||
fetchHeaders.set(key, value);
|
||
}
|
||
for (const [key, value] of Object.entries(userHeaders)) {
|
||
fetchHeaders.set(key, value);
|
||
}
|
||
|
||
const response = await fetch(url, { method, headers: fetchHeaders });
|
||
const text = await response.text();
|
||
|
||
return {
|
||
url,
|
||
status: response.status,
|
||
body: text.slice(0, 10000),
|
||
};
|
||
})
|
||
);
|
||
|
||
results.push(...batchResults);
|
||
}
|
||
|
||
return json({
|
||
total: urls.length,
|
||
time: Date.now() - startTime,
|
||
results: results.map((r, i) => {
|
||
if (r.status === 'fulfilled') return r.value;
|
||
return { url: urls[i]?.url || urls[i], error: r.reason?.message || 'Failed' };
|
||
}),
|
||
});
|
||
}
|
||
|
||
async function handleIP(request) {
|
||
try {
|
||
const fetchHeaders = new Headers();
|
||
const fingerprint = generateBrowserFingerprint('https://httpbin.org/ip');
|
||
for (const [key, value] of Object.entries(fingerprint)) {
|
||
fetchHeaders.set(key, value);
|
||
}
|
||
|
||
const response = await fetch('https://httpbin.org/ip', { headers: fetchHeaders });
|
||
const data = await response.json();
|
||
|
||
return json({
|
||
ip: data.origin,
|
||
edge: {
|
||
colo: request.cf?.colo || 'unknown',
|
||
country: request.cf?.country || 'unknown',
|
||
city: request.cf?.city || 'unknown',
|
||
},
|
||
timestamp: Date.now(),
|
||
});
|
||
} catch (error) {
|
||
return json({ error: 'Failed to get IP', message: error.message }, 500);
|
||
}
|
||
}
|
||
|
||
// ============== 响应助手 ==============
|
||
|
||
function json(data, status = 200) {
|
||
return new Response(JSON.stringify(data, null, 2), {
|
||
status,
|
||
headers: {
|
||
'Content-Type': 'application/json; charset=utf-8',
|
||
'Access-Control-Allow-Origin': '*',
|
||
},
|
||
});
|
||
}
|
||
|
||
function corsResponse() {
|
||
return new Response(null, {
|
||
headers: {
|
||
'Access-Control-Allow-Origin': '*',
|
||
'Access-Control-Allow-Methods': 'GET, POST, PUT, DELETE, PATCH, OPTIONS',
|
||
'Access-Control-Allow-Headers': '*',
|
||
'Access-Control-Max-Age': '86400',
|
||
},
|
||
});
|
||
}
|
||
|
||
function homePage() {
|
||
return new Response(`<!DOCTYPE html>
|
||
<html>
|
||
<head>
|
||
<meta charset="UTF-8">
|
||
<title>Proxy Service</title>
|
||
<style>
|
||
* { margin: 0; padding: 0; box-sizing: border-box; }
|
||
body { font-family: system-ui, sans-serif; background: #f5f5f5; min-height: 100vh; display: flex; align-items: center; justify-content: center; }
|
||
.c { background: #fff; padding: 50px; border-radius: 12px; max-width: 600px; box-shadow: 0 2px 20px rgba(0,0,0,0.08); }
|
||
h1 { font-size: 24px; color: #333; margin-bottom: 15px; }
|
||
p { color: #666; line-height: 1.6; margin-bottom: 20px; }
|
||
.e { background: #f8f9fa; padding: 12px 15px; border-radius: 8px; margin: 8px 0; }
|
||
.e strong { color: #2563eb; }
|
||
</style>
|
||
</head>
|
||
<body>
|
||
<div class="c">
|
||
<h1>Proxy Service</h1>
|
||
<p>A lightweight HTTP proxy service powered by edge network.</p>
|
||
<div class="e"><strong>GET /proxy?url=</strong> - Proxy a URL</div>
|
||
<div class="e"><strong>POST /batch</strong> - Batch proxy requests</div>
|
||
<div class="e"><strong>GET /ip</strong> - Get current edge IP</div>
|
||
<div class="e"><strong>GET /health</strong> - Health check</div>
|
||
</div>
|
||
</body>
|
||
</html>`, { headers: { 'Content-Type': 'text/html; charset=utf-8' } });
|
||
}
|