mirror of
https://github.com/lush2020/edgetunnel.git
synced 2026-03-22 01:22:21 +08:00
902 lines
28 KiB
JavaScript
902 lines
28 KiB
JavaScript
// <!--GAMFC-->version base on commit 43fad05dcdae3b723c53c226f8181fc5bd47223e, time is 2023-06-22 15:20:05 UTC<!--GAMFC-END-->.
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// @ts-ignore
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import { connect } from 'cloudflare:sockets';
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// How to generate your own UUID:
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// [Windows] Press "Win + R", input cmd and run: Powershell -NoExit -Command "[guid]::NewGuid()"
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let userID = '90cd4a77-141a-43c9-991b-08263cfe9c10';
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let proxyIP = '';// 小白勿动，该地址并不影响你的网速，这是给CF代理使用的。'cdn.xn--b6gac.eu.org', 'cdn-all.xn--b6gac.eu.org', 'edgetunnel.anycast.eu.org'
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//let sub = '';// 留空则显示原版内容
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let sub = 'sub.cmliussss.workers.dev';// 内置优选订阅生成器，可自行搭建 https://github.com/cmliu/WorkerVless2sub
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let subconverter = 'api.v1.mk';// clash订阅转换后端，目前使用肥羊的订阅转换功能。支持自建psub 可自行搭建https://github.com/bulianglin/psub
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let subconfig = "https://raw.githubusercontent.com/cmliu/ACL4SSR/main/Clash/config/ACL4SSR_Online_Full_MultiMode.ini"; //订阅配置文件
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// The user name and password do not contain special characters
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// Setting the address will ignore proxyIP
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// Example: user:pass@host:port or host:port
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let socks5Address = '';
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let RproxyIP = 'false';
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if (!isValidUUID(userID)) {
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throw new Error('uuid is not valid');
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}
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let parsedSocks5Address = {};
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let enableSocks = false;
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// 虚假uuid和hostname，用于发送给配置生成服务
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let fakeUserID = "aaaaaaaa-aaaa-aaaa-aaaa-aaaaaaaaaaaa";
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let fakeHostName = "EXAMPLE.COM";
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export default {
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/**
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* @param {import("@cloudflare/workers-types").Request} request
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* @param {{UUID: string, PROXYIP: string}} env
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* @param {import("@cloudflare/workers-types").ExecutionContext} ctx
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* @returns {Promise<Response>}
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*/
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async fetch(request, env, ctx) {
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try {
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const userAgent = request.headers.get('User-Agent').toLowerCase();
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userID = env.UUID || userID;
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proxyIP = env.PROXYIP || proxyIP;
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socks5Address = env.SOCKS5 || socks5Address;
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sub = env.SUB || sub;
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subconverter = env.SUBAPI || subconverter;
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subconfig = env.SUBCONFIG || subconfig;
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//RproxyIP = env.RPROXYIP || !proxyIP ? 'true' : 'false';
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if (socks5Address) {
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RproxyIP = env.RPROXYIP || 'false';
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try {
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parsedSocks5Address = socks5AddressParser(socks5Address);
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enableSocks = true;
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} catch (err) {
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/** @type {Error} */ let e = err;
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console.log(e.toString());
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enableSocks = false;
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}
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} else {
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RproxyIP = env.RPROXYIP || !proxyIP ? 'true' : 'false';
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}
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const upgradeHeader = request.headers.get('Upgrade');
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const url = new URL(request.url);
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if (!upgradeHeader || upgradeHeader !== 'websocket') {
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// const url = new URL(request.url);
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switch (url.pathname) {
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case '/':
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return new Response(JSON.stringify(request.cf), { status: 200 });
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case `/${userID}`: {
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const vlessConfig = await getVLESSConfig(userID, request.headers.get('Host'), sub, userAgent, RproxyIP);
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return new Response(`${vlessConfig}`, {
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status: 200,
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headers: {
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"Content-Type": "text/plain;charset=utf-8",
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}
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});
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}
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default:
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return new Response('Not found', { status: 404 });
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}
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} else {
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if (new RegExp('/proxyip=', 'i').test(url.pathname)) proxyIP = url.pathname.split("=")[1];
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else if (new RegExp('/proxyip.', 'i').test(url.pathname)) proxyIP = url.pathname.split("/proxyip.")[1];
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else if (!proxyIP || proxyIP == '') proxyIP = 'proxyip.fxxk.dedyn.io';
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return await vlessOverWSHandler(request);
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}
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} catch (err) {
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/** @type {Error} */ let e = err;
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return new Response(e.toString());
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}
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},
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};
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/**
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*
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* @param {import("@cloudflare/workers-types").Request} request
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*/
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async function vlessOverWSHandler(request) {
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/** @type {import("@cloudflare/workers-types").WebSocket[]} */
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// @ts-ignore
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const webSocketPair = new WebSocketPair();
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const [client, webSocket] = Object.values(webSocketPair);
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webSocket.accept();
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let address = '';
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let portWithRandomLog = '';
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const log = (/** @type {string} */ info, /** @type {string | undefined} */ event) => {
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console.log(`[${address}:${portWithRandomLog}] ${info}`, event || '');
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};
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const earlyDataHeader = request.headers.get('sec-websocket-protocol') || '';
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const readableWebSocketStream = makeReadableWebSocketStream(webSocket, earlyDataHeader, log);
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/** @type {{ value: import("@cloudflare/workers-types").Socket | null}}*/
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let remoteSocketWapper = {
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value: null,
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};
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let isDns = false;
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// ws --> remote
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readableWebSocketStream.pipeTo(new WritableStream({
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async write(chunk, controller) {
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if (isDns) {
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return await handleDNSQuery(chunk, webSocket, null, log);
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}
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if (remoteSocketWapper.value) {
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const writer = remoteSocketWapper.value.writable.getWriter()
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await writer.write(chunk);
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writer.releaseLock();
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return;
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}
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const {
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hasError,
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message,
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addressType,
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portRemote = 443,
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addressRemote = '',
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rawDataIndex,
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vlessVersion = new Uint8Array([0, 0]),
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isUDP,
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} = processVlessHeader(chunk, userID);
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address = addressRemote;
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portWithRandomLog = `${portRemote}--${Math.random()} ${isUDP ? 'udp ' : 'tcp '
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} `;
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if (hasError) {
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// controller.error(message);
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throw new Error(message); // cf seems has bug, controller.error will not end stream
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// webSocket.close(1000, message);
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return;
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}
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// if UDP but port not DNS port, close it
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if (isUDP) {
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if (portRemote === 53) {
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isDns = true;
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} else {
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// controller.error('UDP proxy only enable for DNS which is port 53');
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throw new Error('UDP proxy only enable for DNS which is port 53'); // cf seems has bug, controller.error will not end stream
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return;
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}
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}
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// ["version", "附加信息长度 N"]
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const vlessResponseHeader = new Uint8Array([vlessVersion[0], 0]);
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const rawClientData = chunk.slice(rawDataIndex);
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if (isDns) {
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return handleDNSQuery(rawClientData, webSocket, vlessResponseHeader, log);
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}
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handleTCPOutBound(remoteSocketWapper, addressType, addressRemote, portRemote, rawClientData, webSocket, vlessResponseHeader, log);
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},
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close() {
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log(`readableWebSocketStream is close`);
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},
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abort(reason) {
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log(`readableWebSocketStream is abort`, JSON.stringify(reason));
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},
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})).catch((err) => {
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log('readableWebSocketStream pipeTo error', err);
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});
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return new Response(null, {
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status: 101,
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// @ts-ignore
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webSocket: client,
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});
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}
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/**
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* Handles outbound TCP connections.
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*
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* @param {any} remoteSocket
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* @param {number} addressType The remote address type to connect to.
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* @param {string} addressRemote The remote address to connect to.
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* @param {number} portRemote The remote port to connect to.
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* @param {Uint8Array} rawClientData The raw client data to write.
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* @param {import("@cloudflare/workers-types").WebSocket} webSocket The WebSocket to pass the remote socket to.
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* @param {Uint8Array} vlessResponseHeader The VLESS response header.
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* @param {function} log The logging function.
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* @returns {Promise<void>} The remote socket.
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*/
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async function handleTCPOutBound(remoteSocket, addressType, addressRemote, portRemote, rawClientData, webSocket, vlessResponseHeader, log,) {
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async function connectAndWrite(address, port, socks = false) {
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/** @type {import("@cloudflare/workers-types").Socket} */
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const tcpSocket = socks ? await socks5Connect(addressType, address, port, log)
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: connect({
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hostname: address,
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port: port,
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});
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remoteSocket.value = tcpSocket;
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log(`connected to ${address}:${port}`);
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const writer = tcpSocket.writable.getWriter();
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await writer.write(rawClientData); // first write, normal is tls client hello
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writer.releaseLock();
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return tcpSocket;
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}
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// if the cf connect tcp socket have no incoming data, we retry to redirect ip
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async function retry() {
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if (enableSocks) {
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tcpSocket = await connectAndWrite(addressRemote, portRemote, true);
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} else {
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tcpSocket = await connectAndWrite(proxyIP || addressRemote, portRemote);
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}
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// no matter retry success or not, close websocket
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tcpSocket.closed.catch(error => {
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console.log('retry tcpSocket closed error', error);
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}).finally(() => {
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safeCloseWebSocket(webSocket);
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})
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remoteSocketToWS(tcpSocket, webSocket, vlessResponseHeader, null, log);
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}
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let tcpSocket = await connectAndWrite(addressRemote, portRemote);
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// when remoteSocket is ready, pass to websocket
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// remote--> ws
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remoteSocketToWS(tcpSocket, webSocket, vlessResponseHeader, retry, log);
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}
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/**
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*
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* @param {import("@cloudflare/workers-types").WebSocket} webSocketServer
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* @param {string} earlyDataHeader for ws 0rtt
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* @param {(info: string)=> void} log for ws 0rtt
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*/
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function makeReadableWebSocketStream(webSocketServer, earlyDataHeader, log) {
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let readableStreamCancel = false;
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const stream = new ReadableStream({
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start(controller) {
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webSocketServer.addEventListener('message', (event) => {
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if (readableStreamCancel) {
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return;
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}
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const message = event.data;
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controller.enqueue(message);
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});
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// The event means that the client closed the client -> server stream.
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// However, the server -> client stream is still open until you call close() on the server side.
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// The WebSocket protocol says that a separate close message must be sent in each direction to fully close the socket.
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webSocketServer.addEventListener('close', () => {
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// client send close, need close server
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// if stream is cancel, skip controller.close
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safeCloseWebSocket(webSocketServer);
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if (readableStreamCancel) {
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return;
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}
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controller.close();
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}
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);
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webSocketServer.addEventListener('error', (err) => {
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log('webSocketServer has error');
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controller.error(err);
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}
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);
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// for ws 0rtt
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const { earlyData, error } = base64ToArrayBuffer(earlyDataHeader);
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if (error) {
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controller.error(error);
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} else if (earlyData) {
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controller.enqueue(earlyData);
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}
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},
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pull(controller) {
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// if ws can stop read if stream is full, we can implement backpressure
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// https://streams.spec.whatwg.org/#example-rs-push-backpressure
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},
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cancel(reason) {
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// 1. pipe WritableStream has error, this cancel will called, so ws handle server close into here
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// 2. if readableStream is cancel, all controller.close/enqueue need skip,
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// 3. but from testing controller.error still work even if readableStream is cancel
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if (readableStreamCancel) {
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return;
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}
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log(`ReadableStream was canceled, due to ${reason}`)
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readableStreamCancel = true;
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safeCloseWebSocket(webSocketServer);
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}
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});
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return stream;
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}
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// https://xtls.github.io/development/protocols/vless.html
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// https://github.com/zizifn/excalidraw-backup/blob/main/v2ray-protocol.excalidraw
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/**
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*
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* @param { ArrayBuffer} vlessBuffer
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* @param {string} userID
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* @returns
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*/
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function processVlessHeader(
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vlessBuffer,
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userID
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) {
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if (vlessBuffer.byteLength < 24) {
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return {
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hasError: true,
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message: 'invalid data',
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};
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}
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const version = new Uint8Array(vlessBuffer.slice(0, 1));
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let isValidUser = false;
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let isUDP = false;
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if (stringify(new Uint8Array(vlessBuffer.slice(1, 17))) === userID) {
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isValidUser = true;
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}
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if (!isValidUser) {
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return {
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hasError: true,
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message: 'invalid user',
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};
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}
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const optLength = new Uint8Array(vlessBuffer.slice(17, 18))[0];
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//skip opt for now
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const command = new Uint8Array(
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vlessBuffer.slice(18 + optLength, 18 + optLength + 1)
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)[0];
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// 0x01 TCP
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// 0x02 UDP
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// 0x03 MUX
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if (command === 1) {
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} else if (command === 2) {
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isUDP = true;
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} else {
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return {
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hasError: true,
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message: `command ${command} is not support, command 01-tcp,02-udp,03-mux`,
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};
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}
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const portIndex = 18 + optLength + 1;
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const portBuffer = vlessBuffer.slice(portIndex, portIndex + 2);
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// port is big-Endian in raw data etc 80 == 0x005d
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const portRemote = new DataView(portBuffer).getUint16(0);
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let addressIndex = portIndex + 2;
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const addressBuffer = new Uint8Array(
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vlessBuffer.slice(addressIndex, addressIndex + 1)
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);
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// 1--> ipv4 addressLength =4
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// 2--> domain name addressLength=addressBuffer[1]
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// 3--> ipv6 addressLength =16
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const addressType = addressBuffer[0];
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let addressLength = 0;
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let addressValueIndex = addressIndex + 1;
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let addressValue = '';
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switch (addressType) {
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case 1:
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addressLength = 4;
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addressValue = new Uint8Array(
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vlessBuffer.slice(addressValueIndex, addressValueIndex + addressLength)
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).join('.');
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break;
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case 2:
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addressLength = new Uint8Array(
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vlessBuffer.slice(addressValueIndex, addressValueIndex + 1)
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)[0];
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addressValueIndex += 1;
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addressValue = new TextDecoder().decode(
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vlessBuffer.slice(addressValueIndex, addressValueIndex + addressLength)
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);
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break;
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case 3:
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addressLength = 16;
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const dataView = new DataView(
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vlessBuffer.slice(addressValueIndex, addressValueIndex + addressLength)
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);
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// 2001:0db8:85a3:0000:0000:8a2e:0370:7334
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const ipv6 = [];
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for (let i = 0; i < 8; i++) {
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ipv6.push(dataView.getUint16(i * 2).toString(16));
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}
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addressValue = ipv6.join(':');
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// seems no need add [] for ipv6
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break;
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default:
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return {
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hasError: true,
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message: `invild addressType is ${addressType}`,
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};
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}
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if (!addressValue) {
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return {
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hasError: true,
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message: `addressValue is empty, addressType is ${addressType}`,
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};
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}
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return {
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hasError: false,
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addressRemote: addressValue,
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addressType,
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portRemote,
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rawDataIndex: addressValueIndex + addressLength,
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vlessVersion: version,
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isUDP,
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};
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}
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/**
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*
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* @param {import("@cloudflare/workers-types").Socket} remoteSocket
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* @param {import("@cloudflare/workers-types").WebSocket} webSocket
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* @param {ArrayBuffer} vlessResponseHeader
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* @param {(() => Promise<void>) | null} retry
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* @param {*} log
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*/
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async function remoteSocketToWS(remoteSocket, webSocket, vlessResponseHeader, retry, log) {
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// remote--> ws
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let remoteChunkCount = 0;
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let chunks = [];
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/** @type {ArrayBuffer | null} */
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let vlessHeader = vlessResponseHeader;
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let hasIncomingData = false; // check if remoteSocket has incoming data
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await remoteSocket.readable
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.pipeTo(
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new WritableStream({
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start() {
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},
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/**
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*
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* @param {Uint8Array} chunk
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* @param {*} controller
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*/
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async write(chunk, controller) {
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hasIncomingData = true;
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// remoteChunkCount++;
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if (webSocket.readyState !== WS_READY_STATE_OPEN) {
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controller.error(
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'webSocket.readyState is not open, maybe close'
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);
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}
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if (vlessHeader) {
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webSocket.send(await new Blob([vlessHeader, chunk]).arrayBuffer());
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vlessHeader = null;
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} else {
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// seems no need rate limit this, CF seems fix this??..
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// if (remoteChunkCount > 20000) {
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// // cf one package is 4096 byte(4kb), 4096 * 20000 = 80M
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// await delay(1);
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// }
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webSocket.send(chunk);
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}
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},
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close() {
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log(`remoteConnection!.readable is close with hasIncomingData is ${hasIncomingData}`);
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// safeCloseWebSocket(webSocket); // no need server close websocket frist for some case will casue HTTP ERR_CONTENT_LENGTH_MISMATCH issue, client will send close event anyway.
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},
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abort(reason) {
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console.error(`remoteConnection!.readable abort`, reason);
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},
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})
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)
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.catch((error) => {
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console.error(
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`remoteSocketToWS has exception `,
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error.stack || error
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);
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safeCloseWebSocket(webSocket);
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});
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// seems is cf connect socket have error,
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// 1. Socket.closed will have error
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// 2. Socket.readable will be close without any data coming
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if (hasIncomingData === false && retry) {
|
||
log(`retry`)
|
||
retry();
|
||
}
|
||
}
|
||
|
||
/**
|
||
*
|
||
* @param {string} base64Str
|
||
* @returns
|
||
*/
|
||
function base64ToArrayBuffer(base64Str) {
|
||
if (!base64Str) {
|
||
return { error: null };
|
||
}
|
||
try {
|
||
// go use modified Base64 for URL rfc4648 which js atob not support
|
||
base64Str = base64Str.replace(/-/g, '+').replace(/_/g, '/');
|
||
const decode = atob(base64Str);
|
||
const arryBuffer = Uint8Array.from(decode, (c) => c.charCodeAt(0));
|
||
return { earlyData: arryBuffer.buffer, error: null };
|
||
} catch (error) {
|
||
return { error };
|
||
}
|
||
}
|
||
|
||
/**
|
||
* This is not real UUID validation
|
||
* @param {string} uuid
|
||
*/
|
||
function isValidUUID(uuid) {
|
||
const uuidRegex = /^[0-9a-f]{8}-[0-9a-f]{4}-[4][0-9a-f]{3}-[89ab][0-9a-f]{3}-[0-9a-f]{12}$/i;
|
||
return uuidRegex.test(uuid);
|
||
}
|
||
|
||
const WS_READY_STATE_OPEN = 1;
|
||
const WS_READY_STATE_CLOSING = 2;
|
||
/**
|
||
* Normally, WebSocket will not has exceptions when close.
|
||
* @param {import("@cloudflare/workers-types").WebSocket} socket
|
||
*/
|
||
function safeCloseWebSocket(socket) {
|
||
try {
|
||
if (socket.readyState === WS_READY_STATE_OPEN || socket.readyState === WS_READY_STATE_CLOSING) {
|
||
socket.close();
|
||
}
|
||
} catch (error) {
|
||
console.error('safeCloseWebSocket error', error);
|
||
}
|
||
}
|
||
|
||
const byteToHex = [];
|
||
for (let i = 0; i < 256; ++i) {
|
||
byteToHex.push((i + 256).toString(16).slice(1));
|
||
}
|
||
function unsafeStringify(arr, offset = 0) {
|
||
return (byteToHex[arr[offset + 0]] + byteToHex[arr[offset + 1]] + byteToHex[arr[offset + 2]] + byteToHex[arr[offset + 3]] + "-" + byteToHex[arr[offset + 4]] + byteToHex[arr[offset + 5]] + "-" + byteToHex[arr[offset + 6]] + byteToHex[arr[offset + 7]] + "-" + byteToHex[arr[offset + 8]] + byteToHex[arr[offset + 9]] + "-" + byteToHex[arr[offset + 10]] + byteToHex[arr[offset + 11]] + byteToHex[arr[offset + 12]] + byteToHex[arr[offset + 13]] + byteToHex[arr[offset + 14]] + byteToHex[arr[offset + 15]]).toLowerCase();
|
||
}
|
||
function stringify(arr, offset = 0) {
|
||
const uuid = unsafeStringify(arr, offset);
|
||
if (!isValidUUID(uuid)) {
|
||
throw TypeError("Stringified UUID is invalid");
|
||
}
|
||
return uuid;
|
||
}
|
||
|
||
/**
|
||
*
|
||
* @param {ArrayBuffer} udpChunk
|
||
* @param {import("@cloudflare/workers-types").WebSocket} webSocket
|
||
* @param {ArrayBuffer} vlessResponseHeader
|
||
* @param {(string)=> void} log
|
||
*/
|
||
async function handleDNSQuery(udpChunk, webSocket, vlessResponseHeader, log) {
|
||
// no matter which DNS server client send, we alwasy use hard code one.
|
||
// beacsue someof DNS server is not support DNS over TCP
|
||
try {
|
||
const dnsServer = '8.8.4.4'; // change to 1.1.1.1 after cf fix connect own ip bug
|
||
const dnsPort = 53;
|
||
/** @type {ArrayBuffer | null} */
|
||
let vlessHeader = vlessResponseHeader;
|
||
/** @type {import("@cloudflare/workers-types").Socket} */
|
||
const tcpSocket = connect({
|
||
hostname: dnsServer,
|
||
port: dnsPort,
|
||
});
|
||
|
||
log(`connected to ${dnsServer}:${dnsPort}`);
|
||
const writer = tcpSocket.writable.getWriter();
|
||
await writer.write(udpChunk);
|
||
writer.releaseLock();
|
||
await tcpSocket.readable.pipeTo(new WritableStream({
|
||
async write(chunk) {
|
||
if (webSocket.readyState === WS_READY_STATE_OPEN) {
|
||
if (vlessHeader) {
|
||
webSocket.send(await new Blob([vlessHeader, chunk]).arrayBuffer());
|
||
vlessHeader = null;
|
||
} else {
|
||
webSocket.send(chunk);
|
||
}
|
||
}
|
||
},
|
||
close() {
|
||
log(`dns server(${dnsServer}) tcp is close`);
|
||
},
|
||
abort(reason) {
|
||
console.error(`dns server(${dnsServer}) tcp is abort`, reason);
|
||
},
|
||
}));
|
||
} catch (error) {
|
||
console.error(
|
||
`handleDNSQuery have exception, error: ${error.message}`
|
||
);
|
||
}
|
||
}
|
||
|
||
/**
|
||
*
|
||
* @param {number} addressType
|
||
* @param {string} addressRemote
|
||
* @param {number} portRemote
|
||
* @param {function} log The logging function.
|
||
*/
|
||
async function socks5Connect(addressType, addressRemote, portRemote, log) {
|
||
const { username, password, hostname, port } = parsedSocks5Address;
|
||
// Connect to the SOCKS server
|
||
const socket = connect({
|
||
hostname,
|
||
port,
|
||
});
|
||
|
||
// Request head format (Worker -> Socks Server):
|
||
// +----+----------+----------+
|
||
// |VER | NMETHODS | METHODS |
|
||
// +----+----------+----------+
|
||
// | 1 | 1 | 1 to 255 |
|
||
// +----+----------+----------+
|
||
|
||
// https://en.wikipedia.org/wiki/SOCKS#SOCKS5
|
||
// For METHODS:
|
||
// 0x00 NO AUTHENTICATION REQUIRED
|
||
// 0x02 USERNAME/PASSWORD https://datatracker.ietf.org/doc/html/rfc1929
|
||
const socksGreeting = new Uint8Array([5, 2, 0, 2]);
|
||
|
||
const writer = socket.writable.getWriter();
|
||
|
||
await writer.write(socksGreeting);
|
||
log('sent socks greeting');
|
||
|
||
const reader = socket.readable.getReader();
|
||
const encoder = new TextEncoder();
|
||
let res = (await reader.read()).value;
|
||
// Response format (Socks Server -> Worker):
|
||
// +----+--------+
|
||
// |VER | METHOD |
|
||
// +----+--------+
|
||
// | 1 | 1 |
|
||
// +----+--------+
|
||
if (res[0] !== 0x05) {
|
||
log(`socks server version error: ${res[0]} expected: 5`);
|
||
return;
|
||
}
|
||
if (res[1] === 0xff) {
|
||
log("no acceptable methods");
|
||
return;
|
||
}
|
||
|
||
// if return 0x0502
|
||
if (res[1] === 0x02) {
|
||
log("socks server needs auth");
|
||
if (!username || !password) {
|
||
log("please provide username/password");
|
||
return;
|
||
}
|
||
// +----+------+----------+------+----------+
|
||
// |VER | ULEN | UNAME | PLEN | PASSWD |
|
||
// +----+------+----------+------+----------+
|
||
// | 1 | 1 | 1 to 255 | 1 | 1 to 255 |
|
||
// +----+------+----------+------+----------+
|
||
const authRequest = new Uint8Array([
|
||
1,
|
||
username.length,
|
||
...encoder.encode(username),
|
||
password.length,
|
||
...encoder.encode(password)
|
||
]);
|
||
await writer.write(authRequest);
|
||
res = (await reader.read()).value;
|
||
// expected 0x0100
|
||
if (res[0] !== 0x01 || res[1] !== 0x00) {
|
||
log("fail to auth socks server");
|
||
return;
|
||
}
|
||
}
|
||
|
||
// Request data format (Worker -> Socks Server):
|
||
// +----+-----+-------+------+----------+----------+
|
||
// |VER | CMD | RSV | ATYP | DST.ADDR | DST.PORT |
|
||
// +----+-----+-------+------+----------+----------+
|
||
// | 1 | 1 | X'00' | 1 | Variable | 2 |
|
||
// +----+-----+-------+------+----------+----------+
|
||
// ATYP: address type of following address
|
||
// 0x01: IPv4 address
|
||
// 0x03: Domain name
|
||
// 0x04: IPv6 address
|
||
// DST.ADDR: desired destination address
|
||
// DST.PORT: desired destination port in network octet order
|
||
|
||
// addressType
|
||
// 1--> ipv4 addressLength =4
|
||
// 2--> domain name
|
||
// 3--> ipv6 addressLength =16
|
||
let DSTADDR; // DSTADDR = ATYP + DST.ADDR
|
||
switch (addressType) {
|
||
case 1:
|
||
DSTADDR = new Uint8Array(
|
||
[1, ...addressRemote.split('.').map(Number)]
|
||
);
|
||
break;
|
||
case 2:
|
||
DSTADDR = new Uint8Array(
|
||
[3, addressRemote.length, ...encoder.encode(addressRemote)]
|
||
);
|
||
break;
|
||
case 3:
|
||
DSTADDR = new Uint8Array(
|
||
[4, ...addressRemote.split(':').flatMap(x => [parseInt(x.slice(0, 2), 16), parseInt(x.slice(2), 16)])]
|
||
);
|
||
break;
|
||
default:
|
||
log(`invild addressType is ${addressType}`);
|
||
return;
|
||
}
|
||
const socksRequest = new Uint8Array([5, 1, 0, ...DSTADDR, portRemote >> 8, portRemote & 0xff]);
|
||
await writer.write(socksRequest);
|
||
log('sent socks request');
|
||
|
||
res = (await reader.read()).value;
|
||
// Response format (Socks Server -> Worker):
|
||
// +----+-----+-------+------+----------+----------+
|
||
// |VER | REP | RSV | ATYP | BND.ADDR | BND.PORT |
|
||
// +----+-----+-------+------+----------+----------+
|
||
// | 1 | 1 | X'00' | 1 | Variable | 2 |
|
||
// +----+-----+-------+------+----------+----------+
|
||
if (res[1] === 0x00) {
|
||
log("socks connection opened");
|
||
} else {
|
||
log("fail to open socks connection");
|
||
return;
|
||
}
|
||
writer.releaseLock();
|
||
reader.releaseLock();
|
||
return socket;
|
||
}
|
||
|
||
|
||
/**
|
||
*
|
||
* @param {string} address
|
||
*/
|
||
function socks5AddressParser(address) {
|
||
let [latter, former] = address.split("@").reverse();
|
||
let username, password, hostname, port;
|
||
if (former) {
|
||
const formers = former.split(":");
|
||
if (formers.length !== 2) {
|
||
throw new Error('Invalid SOCKS address format');
|
||
}
|
||
[username, password] = formers;
|
||
}
|
||
const latters = latter.split(":");
|
||
port = Number(latters.pop());
|
||
if (isNaN(port)) {
|
||
throw new Error('Invalid SOCKS address format');
|
||
}
|
||
hostname = latters.join(":");
|
||
const regex = /^\[.*\]$/;
|
||
if (hostname.includes(":") && !regex.test(hostname)) {
|
||
throw new Error('Invalid SOCKS address format');
|
||
}
|
||
return {
|
||
username,
|
||
password,
|
||
hostname,
|
||
port,
|
||
}
|
||
}
|
||
|
||
function revertFakeInfo(content, userID, hostName, isBase64) {
|
||
if (isBase64) content = atob(content);//Base64解码
|
||
content = content.replace(new RegExp(fakeUserID, 'g'), userID).replace(new RegExp(fakeHostName, 'g'), hostName);
|
||
if (isBase64) content = btoa(content);//Base64编码
|
||
|
||
return content;
|
||
}
|
||
|
||
/**
|
||
* @param {string} userID
|
||
* @param {string | null} hostName
|
||
* @param {string} sub
|
||
* @param {string} userAgent
|
||
* @returns {Promise<string>}
|
||
*/
|
||
async function getVLESSConfig(userID, hostName, sub, userAgent, RproxyIP) {
|
||
// 如果sub为空，则显示原始内容
|
||
if (!sub || sub === '') {
|
||
const vlessMain = `vless://${userID}@${hostName}:443?encryption=none&security=tls&sni=${hostName}&fp=randomized&type=ws&host=${hostName}&path=%2F%3Fed%3D2048#${hostName}`;
|
||
|
||
return `
|
||
################################################################
|
||
v2ray
|
||
---------------------------------------------------------------
|
||
${vlessMain}
|
||
---------------------------------------------------------------
|
||
################################################################
|
||
clash-meta
|
||
---------------------------------------------------------------
|
||
- type: vless
|
||
name: ${hostName}
|
||
server: ${hostName}
|
||
port: 443
|
||
uuid: ${userID}
|
||
network: ws
|
||
tls: true
|
||
udp: false
|
||
sni: ${hostName}
|
||
client-fingerprint: chrome
|
||
ws-opts:
|
||
path: "/?ed=2048"
|
||
headers:
|
||
host: ${hostName}
|
||
---------------------------------------------------------------
|
||
################################################################
|
||
`;
|
||
} else if (sub && userAgent.includes('mozilla') && !userAgent.includes('linux x86')) {
|
||
const vlessMain = `vless://${userID}@${hostName}:443?encryption=none&security=tls&sni=${hostName}&fp=randomized&type=ws&host=${hostName}&path=%2F%3Fed%3D2048#${hostName}`;
|
||
|
||
return `
|
||
################################################################
|
||
Subscribe / sub 订阅地址, 支持 Base64、clash-meta、sing-box 订阅格式, 您的订阅内容由 ${sub} 提供维护支持, 自动获取ProxyIP: ${RproxyIP}.
|
||
---------------------------------------------------------------
|
||
https://${hostName}/${userID}
|
||
---------------------------------------------------------------
|
||
################################################################
|
||
v2ray
|
||
---------------------------------------------------------------
|
||
${vlessMain}
|
||
---------------------------------------------------------------
|
||
################################################################
|
||
clash-meta
|
||
---------------------------------------------------------------
|
||
- type: vless
|
||
name: ${hostName}
|
||
server: ${hostName}
|
||
port: 443
|
||
uuid: ${userID}
|
||
network: ws
|
||
tls: true
|
||
udp: false
|
||
sni: ${hostName}
|
||
client-fingerprint: chrome
|
||
ws-opts:
|
||
path: "/?ed=2048"
|
||
headers:
|
||
host: ${hostName}
|
||
---------------------------------------------------------------
|
||
################################################################
|
||
telegram 交流群 技术大佬~在线发牌!
|
||
https://t.me/CMLiussss
|
||
---------------------------------------------------------------
|
||
github 项目地址 Star!Star!Star!!!
|
||
https://github.com/cmliu/edgetunnel
|
||
---------------------------------------------------------------
|
||
################################################################
|
||
`;
|
||
} else {
|
||
if (typeof fetch != 'function') {
|
||
return 'Error: fetch is not available in this environment.';
|
||
}
|
||
// 如果是使用默认域名，则改成一个workers的域名，订阅器会加上代理
|
||
if (hostName.includes(".workers.dev") || hostName.includes(".pages.dev")) fakeHostName = "EXAMPLE.workers.dev";
|
||
let content = "";
|
||
let url = "";
|
||
let isBase64 = false;
|
||
if (userAgent.includes('clash')) {
|
||
url = `https://${subconverter}/sub?target=clash&url=https%3A%2F%2F${sub}%2Fsub%3Fhost%3D${fakeHostName}%26uuid%3D${fakeUserID}%26edgetunnel%3Dcmliu%26proxyip%3D${RproxyIP}&insert=false&config=${encodeURIComponent(subconfig)}&emoji=true&list=false&tfo=false&scv=false&fdn=false&sort=false&new_name=true`;
|
||
} else if (userAgent.includes('sing-box') || userAgent.includes('singbox')) {
|
||
url = `https://${subconverter}/sub?target=singbox&url=https%3A%2F%2F${sub}%2Fsub%3Fhost%3D${fakeHostName}%26uuid%3D${fakeUserID}%26edgetunnel%3Dcmliu%26proxyip%3D${RproxyIP}&insert=false&config=${encodeURIComponent(subconfig)}&emoji=true&list=false&tfo=false&scv=false&fdn=false&sort=false&new_name=true`;
|
||
} else {
|
||
url = `https://${sub}/sub?host=${fakeHostName}&uuid=${fakeUserID}&edgetunnel=cmliu&proxyip=${RproxyIP}`;
|
||
isBase64 = true;
|
||
}
|
||
try {
|
||
const response = await fetch(url ,{
|
||
headers: {
|
||
'User-Agent': 'CF-Workers-edgetunnel/cmliu'
|
||
}});
|
||
content = await response.text();
|
||
return revertFakeInfo(content, userID, hostName, isBase64);
|
||
} catch (error) {
|
||
console.error('Error fetching content:', error);
|
||
return `Error fetching content: ${error.message}`;
|
||
}
|
||
}
|
||
}
|