uweb/en/searchurl/cloudflare/pbing.js
2023-08-20 09:11:48 +08:00

136 lines
3.8 KiB
JavaScript

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