mirror of https://github.com/torappinfo/uweb.git
137 lines
3.8 KiB
JavaScript
137 lines
3.8 KiB
JavaScript
const SYDNEY_ORIGIN = 'https://sydney.bing.com';
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const KEEP_REQ_HEADERS = [
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'accept',
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'accept-encoding',
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'accept-language',
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'connection',
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'cookie',
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'upgrade',
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'user-agent',
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'sec-websocket-extensions',
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'sec-websocket-key',
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'sec-websocket-version',
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'x-request-id',
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'content-length',
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'content-type',
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'access-control-request-headers',
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'access-control-request-method',
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];
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const IP_RANGE = [
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['3.2.50.0', '3.5.31.255'], //192,000
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['3.12.0.0', '3.23.255.255'], //786,432
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['3.30.0.0', '3.33.34.255'], //205,568
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['3.40.0.0', '3.63.255.255'], //1,572,864
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['3.80.0.0', '3.95.255.255'], //1,048,576
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['3.100.0.0', '3.103.255.255'], //262,144
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['3.116.0.0', '3.119.255.255'], //262,144
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['3.128.0.0', '3.247.255.255'], //7,864,320
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];
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/**
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* 随机整数 [min,max)
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* @param {number} min
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* @param {number} max
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* @returns
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*/
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const getRandomInt = (min, max) => Math.floor(Math.random() * (max - min)) + min;
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/**
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* ip 转 int
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* @param {string} ip
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* @returns
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*/
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const ipToInt = (ip) => {
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const ipArr = ip.split('.');
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let result = 0;
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result += +ipArr[0] << 24;
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result += +ipArr[1] << 16;
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result += +ipArr[2] << 8;
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result += +ipArr[3];
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return result;
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};
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/**
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* int 转 ip
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* @param {number} intIP
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* @returns
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*/
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const intToIp = (intIP) => {
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return `${(intIP >> 24) & 255}.${(intIP >> 16) & 255}.${(intIP >> 8) & 255}.${intIP & 255}`;
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};
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const getRandomIP = () => {
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const randIndex = getRandomInt(0, IP_RANGE.length);
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const startIp = IP_RANGE[randIndex][0];
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const endIp = IP_RANGE[randIndex][1];
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const startIPInt = ipToInt(startIp);
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const endIPInt = ipToInt(endIp);
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const randomInt = getRandomInt(startIPInt, endIPInt);
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const randomIP = intToIp(randomInt);
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return randomIP;
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};
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async function goUrl(request, url) {
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let fp = {
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method: request.method
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};
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fp.headers = new Headers(request.headers);
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for(var i = 2; i < arguments.length-1; i=i+2){
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fp.headers[arguments[i]] = arguments[i+1];
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}
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return await fetch(url, fp);
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}
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export default {
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/**
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* fetch
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* @param {Request} request
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* @param {*} env
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* @param {*} ctx
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* @returns
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*/
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async fetch(request, env, ctx) {
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const url = request.url;
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let iSlash = url.indexOf('/',11);
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let nUrl = url.substring(iSlash+1);
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let iColon = nUrl.indexOf(':',3)+3;
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if(!nUrl.startsWith('syndey.bing.com',iColon) &&
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!nUrl.startsWith('www.bing.com/turing',iColon))
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return await goUrl(request, nUrl);
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const targetUrl = new URL(nUrl);
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const newHeaders = new Headers();
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request.headers.forEach((value, key) => {
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// console.log(`old : ${key} : ${value}`);
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if (KEEP_REQ_HEADERS.includes(key)) {
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newHeaders.set(key, value);
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}
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});
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newHeaders.set('host', targetUrl.host);
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newHeaders.set('origin', targetUrl.origin);
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newHeaders.set('referer', 'https://www.bing.com/search?q=Bing+AI');
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const randIP = getRandomIP();
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// console.log('randIP : ', randIP);
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newHeaders.set('X-Forwarded-For', randIP);
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const oldUA = request.headers.get('user-agent');
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const isMobile = oldUA.includes('Mobile') || oldUA.includes('Android');
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if (isMobile) {
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newHeaders.set(
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'user-agent',
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'Mozilla/5.0 (iPhone; CPU iPhone OS 15_7 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/15.7 Mobile/15E148 Safari/605.1.15 BingSapphire/1.0.410427012'
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);
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} else {
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newHeaders.set('user-agent', 'Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/113.0.0.0 Safari/537.36 Edg/113.0.1774.35');
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}
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// newHeaders.forEach((value, key) => console.log(`${key} : ${value}`));
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const newReq = new Request(targetUrl, {
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method: request.method,
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headers: newHeaders,
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body: request.body,
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});
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// console.log('request url : ', newReq.url);
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const res = await fetch(newReq);
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return res;
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},
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};
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