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_worker.js
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/**
*- Telegram交流群：https://t.me/AM_CLUBS
*- YouTube频道：https://youtube.com/@AM_CLUB
*- VLESS订阅地址：https://worker.amcloud.filegear-sg.me/866853eb-5293-4f09-bf00-e13eb237c655
*- Github仓库地址：https://github.com/ansoncloud8
**/
// @ts-ignore
import { connect } from 'cloudflare:sockets';
// How to generate your own UUID:
// [Windows] Press "Win + R", input cmd and run: Powershell -NoExit -Command "[guid]::NewGuid()"
let userID = '866853eb-5293-4f09-bf00-e13eb237c655';
const proxyIPs = ['cdn.xn--b6gac.eu.org', 'cdn-all.xn--b6gac.eu.org', 'workers.cloudflare.cyou'];
// if you want to use ipv6 or single proxyIP, please add comment at this line and remove comment at the next line
let proxyIP = proxyIPs[Math.floor(Math.random() * proxyIPs.length)];
// use single proxyIP instead of random
// let proxyIP = 'cdn.xn--b6gac.eu.org';
// ipv6 proxyIP example remove comment to use
// let proxyIP = "[2a01:4f8:c2c:123f:64:5:6810:c55a]"
let dohURL = 'https://sky.rethinkdns.com/1:-Pf_____9_8A_AMAIgE8kMABVDDmKOHTAKg='; // https://cloudflare-dns.com/dns-query or https://dns.google/dns-query
// 设置优选地址api接口
let addressesapi = [
'https://raw.githubusercontent.com/amclubs/am-cf-tunnel/main/ipv4.txt', //可参考内容格式 自行搭建。
//'https://raw.githubusercontent.com/ansoncloud8/am-tunnel/dev/ipv6.txt', //IPv6优选内容格式 自行搭建。
];
// 设置优选地址，不带端口号默认443，TLS订阅生成
let addresses = [
'icook.hk:443#t.me/AM_CLUBS',//官方优选域名
//'cloudflare.cfgo.cc:443#关注YouTube频道@AM_CLUB',
'visa.com:443#youtube.com/@AM_CLUB'
];
let autoaddress = [
'icook.hk:443',
'cloudflare.cfgo.cc:443',
'visa.com:443'
];
let FileName = 'ansoncloud8.github.io';
let tagName = 'youtube.com/@am_club'
let SUBUpdateTime = 6;
let total = 99;//PB
//let timestamp = now;
let timestamp = 4102329600000;//2099-12-31
const regex = /^(\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3}|\[.*\]):?(\d+)?#?(.*)?$/;
// 虚假uuid和hostname，用于发送给配置生成服务
let fakeUserID = generateUUID();
let fakeHostName = generateRandomString();
let sub = 'worker.amcloud.filegear-sg.me';// 内置优选订阅生成器，可自行搭建
let subconverter = 'url.v1.mk';// clash订阅转换后端，目前使用肥羊的订阅转换功能。自带虚假uuid和host订阅。
let subconfig = "https://raw.githubusercontent.com/ansoncloud8/ACL4SSR/main/Clash/config/ACL4SSR_Online_Full_MultiMode.ini"; //订阅配置文件
if (!isValidUUID(userID)) {
throw new Error('uuid is invalid');
}
export default {
/**
* @param {import("@cloudflare/workers-types").Request} request
* @param {{UUID: string, PROXYIP: string, DNS_RESOLVER_URL: string, NODE_ID: int, API_HOST: string, API_TOKEN: string}} env
* @param {import("@cloudflare/workers-types").ExecutionContext} ctx
* @returns {Promise<Response>}
*/
async fetch(request, env, ctx) {
// uuid_validator(request);
try {
let expire = Math.floor(timestamp / 1000);
let UD = Math.floor(((timestamp - Date.now()) / timestamp * 99 * 1099511627776 * 1024) / 2);
const url = new URL(request.url);
const uuid = url.searchParams.get('uuid') ? url.searchParams.get('uuid').toLowerCase() : "null";
sub = env.SUB || sub;
userID = env.UUID || userID;
proxyIP = env.PROXYIP || proxyIP;
dohURL = env.DNS_RESOLVER_URL || dohURL;
subconfig = env.SUBCONFIG || subconfig;
let userID_Path = userID;
if (userID.includes(',')) {
userID_Path = userID.split(',')[0];
}
if (env.ADDRESSESAPI){
addressesapi = [];
addressesapi = await ADD(env.ADDRESSESAPI);
}
const upgradeHeader = request.headers.get('Upgrade');
if (!upgradeHeader || upgradeHeader !== 'websocket') {
switch (url.pathname) {
case `/cf`: {
return new Response(JSON.stringify(request.cf, null, 4), {
status: 200,
headers: {
"Content-Type": "application/json;charset=utf-8",
},
});
}
case `/${userID_Path}`: {
const vlessConfig = getVLESSConfig(userID, request.headers.get('Host'));
return new Response(`${vlessConfig}`, {
status: 200,
headers: {
"Content-Type": "text/html; charset=utf-8",
}
});
};
case `/sub/${userID_Path}`: {
const url = new URL(request.url);
const searchParams = url.searchParams;
const format = searchParams.get('format') ? searchParams.get('format').toLowerCase() : null;
const dq = searchParams.get('dq') ? searchParams.get('dq') : null;
const btoa_not = searchParams.get('btoa') ? searchParams.get('btoa').toLowerCase() : null;
const vlessSubConfig = createVLESSSub(userID, request.headers.get('Host'), format, dq);
// Construct and return response object
if (format === 'qx') {
return new Response(vlessSubConfig, {
status: 200,
headers: {
"Content-Type": "text/plain;charset=utf-8",
}
});
} else if (btoa_not === 'btoa') {
return new Response(vlessSubConfig, {
status: 200,
headers: {
"Content-Type": "text/plain;charset=utf-8",
}
});
} else {
return new Response(btoa(vlessSubConfig), {
status: 200,
headers: {
"Content-Type": "text/plain;charset=utf-8",
}
});
}
};
case `/bestip/${uuid}`: {
const newAddressesapi = await getAddressesapi(addressesapi);
// const vlessSubConfig = createVlessBestIpSub(userID, request.headers.get('Host'), newAddressesapi,'format');
//拿随机
fakeUserID = uuid;
fakeHostName = url.searchParams.get('host') ? url.searchParams.get('host').toLowerCase() : request.headers.get('Host');
const format = url.searchParams.get('format') ? url.searchParams.get('format').toLowerCase() : "null";
const vlessSubConfig = createVlessBestIpSub(fakeUserID, fakeHostName, newAddressesapi, format);
const btoa_not = url.searchParams.get('btoa') ? url.searchParams.get('btoa').toLowerCase() : null;
if (btoa_not === 'btoa') {
return new Response(vlessSubConfig, {
status: 200,
headers: {
"Content-Type": "text/plain;charset=utf-8",
}
});
}else {
const base64Response = btoa(vlessSubConfig); // 重新进行 Base64 编码
const response = new Response(base64Response, {
headers: {
// "Content-Disposition": `attachment; filename*=utf-8''${encodeURIComponent(FileName)}; filename=${FileName}`,
"content-type": "text/plain; charset=utf-8",
"Profile-Update-Interval": `${SUBUpdateTime}`,
"Subscription-Userinfo": `upload=${UD}; download=${UD}; total=${total}; expire=${expire}`,
},
});
return response;
}
};
case `/sub/bestip/${userID_Path}`: {
const tls = true;
// 如果是使用默认域名，则改成一个workers的域名，订阅器会加上代理
const hostName = request.headers.get('Host');
const userAgentHeader = request.headers.get('User-Agent');
const userAgent = userAgentHeader ? userAgentHeader.toLowerCase() : "null";
const format = url.searchParams.get('format') ? url.searchParams.get('format').toLowerCase() : "null";
if (hostName.includes(".workers.dev")) {
fakeHostName = `${fakeHostName}.${generateRandomString()}${generateRandomNumber()}.workers.dev`;
} else if (hostName.includes(".pages.dev")) {
fakeHostName = `${fakeHostName}.${generateRandomString()}${generateRandomNumber()}.pages.dev`;
} else if (hostName.includes("worker") || hostName.includes("notls") || tls == false) {
fakeHostName = `notls.${fakeHostName}${generateRandomNumber()}.net`;
} else {
fakeHostName = `${fakeHostName}.${generateRandomNumber()}.xyz`
}
let content = "";
let suburl = "";
let isBase64 = false;
if ((userAgent.includes('clash') && !userAgent.includes('nekobox')) || format === 'clash') {
suburl = `https://${subconverter}/sub?target=clash&url=https%3A%2F%2F${hostName}/bestip/${fakeUserID}%3Fhost%3D${fakeHostName}%26uuid%3D${fakeUserID}&insert=false&config=${encodeURIComponent(subconfig)}%26proxyip%3D${proxyIP}&emoji=true&list=false&tfo=false&scv=true&fdn=false&sort=false&new_name=true`;
} else if ((userAgent.includes('sing-box') || userAgent.includes('singbox')) || format === 'singbox') {
suburl = `https://${subconverter}/sub?target=singbox&url=https%3A%2F%2F${hostName}/bestip/${fakeUserID}%3Fhost%3D${fakeHostName}%26uuid%3D${fakeUserID}&insert=false&config=${encodeURIComponent(subconfig)}%26proxyip%3D${proxyIP}&emoji=true&list=false&tfo=false&scv=true&fdn=false&sort=false&new_name=true`;
} else if (format === 'qx') {
const newAddressesapi = await getAddressesapi(addressesapi);
const vlessSubConfig = createVlessBestIpSub(userID, request.headers.get('Host'), newAddressesapi, format);
return new Response(vlessSubConfig, {
headers: {
// "Content-Disposition": `attachment; filename*=utf-8''${encodeURIComponent(FileName)}; filename=${FileName}`,
"content-type": "text/plain; charset=utf-8",
"Profile-Update-Interval": `${SUBUpdateTime}`,
"Subscription-Userinfo": `upload=${UD}; download=${UD}; total=${total}; expire=${expire}`,
},
});
} else {
suburl = `https://${sub}/bestip/${fakeUserID}?host=${fakeHostName}&uuid=${fakeUserID}&proxyip=${proxyIP}`;
isBase64 = true;
}
try {
const response = await fetch(suburl, {
headers: {
'User-Agent': 'ansoncloud8.github.io'
}
});
content = await response.text();
const result = revertFakeInfo(content, userID_Path, hostName, isBase64);
// content.replace(new RegExp(fakeUserID, 'g'), userID)
return new Response(result, {
headers: {
// "Content-Disposition": `attachment; filename*=utf-8''${encodeURIComponent(FileName)}; filename=${FileName}`,
"content-type": "text/plain; charset=utf-8",
"Profile-Update-Interval": `${SUBUpdateTime}`,
"Subscription-Userinfo": `upload=${UD}; download=${UD}; total=${total}; expire=${expire}`,
},
});
} catch (error) {
console.error('Error fetching content:', error);
return `Error fetching content: ${error.message}`;
}
};
default:
// return new Response('Not found', { status: 404 });
//首页改成一个nginx伪装页
return new Response(await nginx(), {
headers: {
'Content-Type': 'text/html; charset=UTF-8',
'referer': 'https://www.google.com/search?q=ansoncloud8.github.io',
},
});
// For any other path, reverse proxy to 'ramdom website' and return the original response, caching it in the process
// const randomHostname = cn_hostnames[Math.floor(Math.random() * cn_hostnames.length)];
// const newHeaders = new Headers(request.headers);
// newHeaders.set('cf-connecting-ip', '1.2.3.4');
// newHeaders.set('x-forwarded-for', '1.2.3.4');
// newHeaders.set('x-real-ip', '1.2.3.4');
// newHeaders.set('referer', 'https://www.google.com/search?q=ansoncloud8.github.io');
// // Use fetch to proxy the request to 15 different domains
// const proxyUrl = 'https://' + randomHostname + url.pathname + url.search;
// let modifiedRequest = new Request(proxyUrl, {
// method: request.method,
// headers: newHeaders,
// body: request.body,
// redirect: 'manual',
// });
// const proxyResponse = await fetch(modifiedRequest, { redirect: 'manual' });
// // Check for 302 or 301 redirect status and return an error response
// if ([301, 302].includes(proxyResponse.status)) {
// return new Response(`Redirects to ${randomHostname} are not allowed.`, {
// status: 403,
// statusText: 'Forbidden',
// });
// }
// // Return the response from the proxy server
// return proxyResponse;
}
} else {
return await vlessOverWSHandler(request);
}
} catch (err) {
/** @type {Error} */ let e = err;
return new Response(e.toString());
}
},
};
export async function uuid_validator(request) {
const hostname = request.headers.get('Host');
const currentDate = new Date();
const subdomain = hostname.split('.')[0];
const year = currentDate.getFullYear();
const month = String(currentDate.getMonth() + 1).padStart(2, '0');
const day = String(currentDate.getDate()).padStart(2, '0');
const formattedDate = `${year}-${month}-${day}`;
// const daliy_sub = formattedDate + subdomain
const hashHex = await hashHex_f(subdomain);
// subdomain string contains timestamps utc and uuid string TODO.
console.log(hashHex, subdomain, formattedDate);
}
export async function hashHex_f(string) {
const encoder = new TextEncoder();
const data = encoder.encode(string);
const hashBuffer = await crypto.subtle.digest('SHA-256', data);
const hashArray = Array.from(new Uint8Array(hashBuffer));
const hashHex = hashArray.map(byte => byte.toString(16).padStart(2, '0')).join('');
return hashHex;
}
/**
* Handles VLESS over WebSocket requests by creating a WebSocket pair, accepting the WebSocket connection, and processing the VLESS header.
* @param {import("@cloudflare/workers-types").Request} request The incoming request object.
* @returns {Promise<Response>} A Promise that resolves to a WebSocket response object.
*/
async function vlessOverWSHandler(request) {
const webSocketPair = new WebSocketPair();
const [client, webSocket] = Object.values(webSocketPair);
webSocket.accept();
let address = '';
let portWithRandomLog = '';
let currentDate = new Date();
const log = (/** @type {string} */ info, /** @type {string | undefined} */ event) => {
console.log(`[${currentDate} ${address}:${portWithRandomLog}] ${info}`, event || '');
};
const earlyDataHeader = request.headers.get('sec-websocket-protocol') || '';
const readableWebSocketStream = makeReadableWebSocketStream(webSocket, earlyDataHeader, log);
/** @type {{ value: import("@cloudflare/workers-types").Socket | null}}*/
let remoteSocketWapper = {
value: null,
};
let udpStreamWrite = null;
let isDns = false;
// ws --> remote
readableWebSocketStream.pipeTo(new WritableStream({
async write(chunk, controller) {
if (isDns && udpStreamWrite) {
return udpStreamWrite(chunk);
}
if (remoteSocketWapper.value) {
const writer = remoteSocketWapper.value.writable.getWriter()
await writer.write(chunk);
writer.releaseLock();
return;
}
const {
hasError,
message,
portRemote = 443,
addressRemote = '',
rawDataIndex,
vlessVersion = new Uint8Array([0, 0]),
isUDP,
} = processVlessHeader(chunk, userID);
address = addressRemote;
portWithRandomLog = `${portRemote} ${isUDP ? 'udp' : 'tcp'} `;
if (hasError) {
// controller.error(message);
throw new Error(message); // cf seems has bug, controller.error will not end stream
}
// If UDP and not DNS port, close it
if (isUDP && portRemote !== 53) {
throw new Error('UDP proxy only enabled for DNS which is port 53');
// cf seems has bug, controller.error will not end stream
}
if (isUDP && portRemote === 53) {
isDns = true;
}
// ["version", "附加信息长度 N"]
const vlessResponseHeader = new Uint8Array([vlessVersion[0], 0]);
const rawClientData = chunk.slice(rawDataIndex);
// TODO: support udp here when cf runtime has udp support
if (isDns) {
const { write } = await handleUDPOutBound(webSocket, vlessResponseHeader, log);
udpStreamWrite = write;
udpStreamWrite(rawClientData);
return;
}
handleTCPOutBound(remoteSocketWapper, addressRemote, portRemote, rawClientData, webSocket, vlessResponseHeader, log);
},
close() {
log(`readableWebSocketStream is close`);
},
abort(reason) {
log(`readableWebSocketStream is abort`, JSON.stringify(reason));
},
})).catch((err) => {
log('readableWebSocketStream pipeTo error', err);
});
return new Response(null, {
status: 101,
webSocket: client,
});
}
/**
* Handles outbound TCP connections.
*
* @param {any} remoteSocket
* @param {string} addressRemote The remote address to connect to.
* @param {number} portRemote The remote port to connect to.
* @param {Uint8Array} rawClientData The raw client data to write.
* @param {import("@cloudflare/workers-types").WebSocket} webSocket The WebSocket to pass the remote socket to.
* @param {Uint8Array} vlessResponseHeader The VLESS response header.
* @param {function} log The logging function.
* @returns {Promise<void>} The remote socket.
*/
async function handleTCPOutBound(remoteSocket, addressRemote, portRemote, rawClientData, webSocket, vlessResponseHeader, log,) {
/**
* Connects to a given address and port and writes data to the socket.
* @param {string} address The address to connect to.
* @param {number} port The port to connect to.
* @returns {Promise<import("@cloudflare/workers-types").Socket>} A Promise that resolves to the connected socket.
*/
async function connectAndWrite(address, port) {
/** @type {import("@cloudflare/workers-types").Socket} */
const tcpSocket = connect({
hostname: address,
port: port,
});
remoteSocket.value = tcpSocket;
log(`connected to ${address}:${port}`);
const writer = tcpSocket.writable.getWriter();
await writer.write(rawClientData); // first write, nomal is tls client hello
writer.releaseLock();
return tcpSocket;
}
/**
* Retries connecting to the remote address and port if the Cloudflare socket has no incoming data.
* @returns {Promise<void>} A Promise that resolves when the retry is complete.
*/
async function retry() {
const tcpSocket = await connectAndWrite(proxyIP || addressRemote, portRemote)
tcpSocket.closed.catch(error => {
console.log('retry tcpSocket closed error', error);
}).finally(() => {
safeCloseWebSocket(webSocket);
})
remoteSocketToWS(tcpSocket, webSocket, vlessResponseHeader, null, log);
}
const tcpSocket = await connectAndWrite(addressRemote, portRemote);
// when remoteSocket is ready, pass to websocket
// remote--> ws
remoteSocketToWS(tcpSocket, webSocket, vlessResponseHeader, retry, log);
}
/**
* Creates a readable stream from a WebSocket server, allowing for data to be read from the WebSocket.
* @param {import("@cloudflare/workers-types").WebSocket} webSocketServer The WebSocket server to create the readable stream from.
* @param {string} earlyDataHeader The header containing early data for WebSocket 0-RTT.
* @param {(info: string)=> void} log The logging function.
* @returns {ReadableStream} A readable stream that can be used to read data from the WebSocket.
*/
function makeReadableWebSocketStream(webSocketServer, earlyDataHeader, log) {
let readableStreamCancel = false;
const stream = new ReadableStream({
start(controller) {
webSocketServer.addEventListener('message', (event) => {
const message = event.data;
controller.enqueue(message);
});
webSocketServer.addEventListener('close', () => {
safeCloseWebSocket(webSocketServer);
controller.close();
});
webSocketServer.addEventListener('error', (err) => {
log('webSocketServer has error');
controller.error(err);
});
const { earlyData, error } = base64ToArrayBuffer(earlyDataHeader);
if (error) {
controller.error(error);
} else if (earlyData) {
controller.enqueue(earlyData);
}
},
pull(controller) {
// if ws can stop read if stream is full, we can implement backpressure
// https://streams.spec.whatwg.org/#example-rs-push-backpressure
},
cancel(reason) {
log(`ReadableStream was canceled, due to ${reason}`)
readableStreamCancel = true;
safeCloseWebSocket(webSocketServer);
}
});
return stream;
}
// https://xtls.github.io/development/protocols/vless.html
// https://github.com/zizifn/excalidraw-backup/blob/main/v2ray-protocol.excalidraw
/**
* Processes the VLESS header buffer and returns an object with the relevant information.
* @param {ArrayBuffer} vlessBuffer The VLESS header buffer to process.
* @param {string} userID The user ID to validate against the UUID in the VLESS header.
* @returns {{
* hasError: boolean,
* message?: string,
* addressRemote?: string,
* addressType?: number,
* portRemote?: number,
* rawDataIndex?: number,
* vlessVersion?: Uint8Array,
* isUDP?: boolean
* }} An object with the relevant information extracted from the VLESS header buffer.
*/
function processVlessHeader(vlessBuffer, userID) {
if (vlessBuffer.byteLength < 24) {
return {
hasError: true,
message: 'invalid data',
};
}
const version = new Uint8Array(vlessBuffer.slice(0, 1));
let isValidUser = false;
let isUDP = false;
const slicedBuffer = new Uint8Array(vlessBuffer.slice(1, 17));
const slicedBufferString = stringify(slicedBuffer);
// check if userID is valid uuid or uuids split by , and contains userID in it otherwise return error message to console
const uuids = userID.includes(',') ? userID.split(",") : [userID];
// uuid_validator(hostName, slicedBufferString);
// isValidUser = uuids.some(userUuid => slicedBufferString === userUuid.trim());
isValidUser = uuids.some(userUuid => slicedBufferString === userUuid.trim()) || uuids.length === 1 && slicedBufferString === uuids[0].trim();
console.log(`userID: ${slicedBufferString}`);
if (!isValidUser) {
return {
hasError: true,
message: 'invalid user',
};
}
const optLength = new Uint8Array(vlessBuffer.slice(17, 18))[0];
//skip opt for now
const command = new Uint8Array(
vlessBuffer.slice(18 + optLength, 18 + optLength + 1)
)[0];
// 0x01 TCP
// 0x02 UDP
// 0x03 MUX
if (command === 1) {
isUDP = false;
} else if (command === 2) {
isUDP = true;
} else {
return {
hasError: true,
message: `command ${command} is not support, command 01-tcp,02-udp,03-mux`,
};
}
const portIndex = 18 + optLength + 1;
const portBuffer = vlessBuffer.slice(portIndex, portIndex + 2);
// port is big-Endian in raw data etc 80 == 0x005d
const portRemote = new DataView(portBuffer).getUint16(0);
let addressIndex = portIndex + 2;
const addressBuffer = new Uint8Array(
vlessBuffer.slice(addressIndex, addressIndex + 1)
);
// 1--> ipv4 addressLength =4
// 2--> domain name addressLength=addressBuffer[1]
// 3--> ipv6 addressLength =16
const addressType = addressBuffer[0];
let addressLength = 0;
let addressValueIndex = addressIndex + 1;
let addressValue = '';
switch (addressType) {
case 1:
addressLength = 4;
addressValue = new Uint8Array(
vlessBuffer.slice(addressValueIndex, addressValueIndex + addressLength)
).join('.');
break;
case 2:
addressLength = new Uint8Array(
vlessBuffer.slice(addressValueIndex, addressValueIndex + 1)
)[0];
addressValueIndex += 1;
addressValue = new TextDecoder().decode(
vlessBuffer.slice(addressValueIndex, addressValueIndex + addressLength)
);
break;
case 3:
addressLength = 16;
const dataView = new DataView(
vlessBuffer.slice(addressValueIndex, addressValueIndex + addressLength)
);
// 2001:0db8:85a3:0000:0000:8a2e:0370:7334
const ipv6 = [];
for (let i = 0; i < 8; i++) {
ipv6.push(dataView.getUint16(i * 2).toString(16));
}
addressValue = ipv6.join(':');
// seems no need add [] for ipv6
break;
default:
return {
hasError: true,
message: `invild addressType is ${addressType}`,
};
}
if (!addressValue) {
return {
hasError: true,
message: `addressValue is empty, addressType is ${addressType}`,
};
}
return {
hasError: false,
addressRemote: addressValue,
addressType,
portRemote,
rawDataIndex: addressValueIndex + addressLength,
vlessVersion: version,
isUDP,
};
}
/**
* Converts a remote socket to a WebSocket connection.
* @param {import("@cloudflare/workers-types").Socket} remoteSocket The remote socket to convert.
* @param {import("@cloudflare/workers-types").WebSocket} webSocket The WebSocket to connect to.
* @param {ArrayBuffer | null} vlessResponseHeader The VLESS response header.
* @param {(() => Promise<void>) | null} retry The function to retry the connection if it fails.
* @param {(info: string) => void} log The logging function.
* @returns {Promise<void>} A Promise that resolves when the conversion is complete.
*/
async function remoteSocketToWS(remoteSocket, webSocket, vlessResponseHeader, retry, log) {
// remote--> ws
let remoteChunkCount = 0;
let chunks = [];
/** @type {ArrayBuffer | null} */
let vlessHeader = vlessResponseHeader;
let hasIncomingData = false; // check if remoteSocket has incoming data
await remoteSocket.readable
.pipeTo(
new WritableStream({
start() {
},
/**
*
* @param {Uint8Array} chunk
* @param {*} controller
*/
async write(chunk, controller) {
hasIncomingData = true;
remoteChunkCount++;
if (webSocket.readyState !== WS_READY_STATE_OPEN) {
controller.error(
'webSocket.readyState is not open, maybe close'
);
}
if (vlessHeader) {
webSocket.send(await new Blob([vlessHeader, chunk]).arrayBuffer());
vlessHeader = null;
} else {
// console.log(`remoteSocketToWS send chunk ${chunk.byteLength}`);
// seems no need rate limit this, CF seems fix this??..
// if (remoteChunkCount > 20000) {
// // cf one package is 4096 byte(4kb), 4096 * 20000 = 80M
// await delay(1);
// }
webSocket.send(chunk);
}
},
close() {
log(`remoteConnection!.readable is close with hasIncomingData is ${hasIncomingData}`);
// safeCloseWebSocket(webSocket); // no need server close websocket frist for some case will casue HTTP ERR_CONTENT_LENGTH_MISMATCH issue, client will send close event anyway.
},
abort(reason) {
console.error(`remoteConnection!.readable abort`, reason);
},
})
)
.catch((error) => {
console.error(
`remoteSocketToWS has exception `,
error.stack || error
);
safeCloseWebSocket(webSocket);
});
// seems is cf connect socket have error,
// 1. Socket.closed will have error
// 2. Socket.readable will be close without any data coming
if (hasIncomingData === false && retry) {
log(`retry`)
retry();
}
}
/**
* Decodes a base64 string into an ArrayBuffer.
* @param {string} base64Str The base64 string to decode.
* @returns {{earlyData: ArrayBuffer|null, error: Error|null}} An object containing the decoded ArrayBuffer or null if there was an error, and any error that occurred during decoding or null if there was no error.
*/
function base64ToArrayBuffer(base64Str) {
if (!base64Str) {
return { earlyData: null, error: null };
}
try {
// go use modified Base64 for URL rfc4648 which js atob not support
base64Str = base64Str.replace(/-/g, '+').replace(/_/g, '/');
const decode = atob(base64Str);
const arryBuffer = Uint8Array.from(decode, (c) => c.charCodeAt(0));
return { earlyData: arryBuffer.buffer, error: null };
} catch (error) {
return { earlyData: null, error };
}
}
/**
* Checks if a given string is a valid UUID.
* Note: This is not a real UUID validation.
* @param {string} uuid The string to validate as a UUID.
* @returns {boolean} True if the string is a valid UUID, false otherwise.
*/
function isValidUUID(uuid) {
const uuidRegex = /^[0-9a-f]{8}-[0-9a-f]{4}-[4][0-9a-f]{3}-[89ab][0-9a-f]{3}-[0-9a-f]{12}$/i;
return uuidRegex.test(uuid);
}
const WS_READY_STATE_OPEN = 1;
const WS_READY_STATE_CLOSING = 2;
/**
* Closes a WebSocket connection safely without throwing exceptions.
* @param {import("@cloudflare/workers-types").WebSocket} socket The WebSocket connection to close.
*/
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;
}
/**
* Handles outbound UDP traffic by transforming the data into DNS queries and sending them over a WebSocket connection.
* @param {import("@cloudflare/workers-types").WebSocket} webSocket The WebSocket connection to send the DNS queries over.
* @param {ArrayBuffer} vlessResponseHeader The VLESS response header.
* @param {(string) => void} log The logging function.
* @returns {{write: (chunk: Uint8Array) => void}} An object with a write method that accepts a Uint8Array chunk to write to the transform stream.
*/
async function handleUDPOutBound(webSocket, vlessResponseHeader, log) {
let isVlessHeaderSent = false;
const transformStream = new TransformStream({
start(controller) {
},
transform(chunk, controller) {
// udp message 2 byte is the the length of udp data
// TODO: this should have bug, beacsue maybe udp chunk can be in two websocket message
for (let index = 0; index < chunk.byteLength;) {
const lengthBuffer = chunk.slice(index, index + 2);
const udpPakcetLength = new DataView(lengthBuffer).getUint16(0);
const udpData = new Uint8Array(
chunk.slice(index + 2, index + 2 + udpPakcetLength)
);
index = index + 2 + udpPakcetLength;
controller.enqueue(udpData);
}
},
flush(controller) {
}
});
// only handle dns udp for now
transformStream.readable.pipeTo(new WritableStream({
async write(chunk) {
const resp = await fetch(dohURL, // dns server url
{
method: 'POST',
headers: {
'content-type': 'application/dns-message',
},
body: chunk,
})
const dnsQueryResult = await resp.arrayBuffer();
const udpSize = dnsQueryResult.byteLength;
// console.log([...new Uint8Array(dnsQueryResult)].map((x) => x.toString(16)));
const udpSizeBuffer = new Uint8Array([(udpSize >> 8) & 0xff, udpSize & 0xff]);
if (webSocket.readyState === WS_READY_STATE_OPEN) {
log(`doh success and dns message length is ${udpSize}`);
if (isVlessHeaderSent) {
webSocket.send(await new Blob([udpSizeBuffer, dnsQueryResult]).arrayBuffer());
} else {
webSocket.send(await new Blob([vlessResponseHeader, udpSizeBuffer, dnsQueryResult]).arrayBuffer());
isVlessHeaderSent = true;
}
}
}
})).catch((error) => {
log('dns udp has error' + error)
});
const writer = transformStream.writable.getWriter();
return {
/**
*
* @param {Uint8Array} chunk
*/
write(chunk) {
writer.write(chunk);
}
};
}
async function ADD(envadd) {
var addtext = envadd.replace(/[ |"'\r\n]+/g, ',').replace(/,+/g, ','); // 将空格、双引号、单引号和换行符替换为逗号
//console.log(addtext);
if (addtext.charAt(0) == ',') addtext = addtext.slice(1);
if (addtext.charAt(addtext.length - 1) == ',') addtext = addtext.slice(0, addtext.length - 1);
const add = addtext.split(',');
// console.log(add);
return add;
}
async function getAddressesapi(api) {
if (!api || api.length === 0) {
return [];
}
let newapi = "";
// 创建一个AbortController对象，用于控制fetch请求的取消
const controller = new AbortController();
const timeout = setTimeout(() => {
controller.abort(); // 取消所有请求
}, 2000); // 2秒后触发
try {
// 使用Promise.allSettled等待所有API请求完成，无论成功或失败
// 对api数组进行遍历，对每个API地址发起fetch请求
const responses = await Promise.allSettled(api.map(apiUrl => fetch(apiUrl, {
method: 'get',
headers: {
'Accept': 'text/html,application/xhtml+xml,application/xml;',
'User-Agent': 'ansoncloud8.github.io'
},
signal: controller.signal // 将AbortController的信号量添加到fetch请求中，以便于需要时可以取消请求
}).then(response => response.ok ? response.text() : Promise.reject())));
// 遍历所有响应
for (const response of responses) {
// 检查响应状态是否为'fulfilled'，即请求成功完成
if (response.status === 'fulfilled') {
// 获取响应的内容
const content = await response.value;
newapi += content + '\n';
}
}
} catch (error) {
console.error(error);
} finally {
// 无论成功或失败，最后都清除设置的超时定时器
clearTimeout(timeout);
}
const newAddressesapi = await ADD(newapi);
// 返回处理后的结果
return newAddressesapi;
}
function generateRandomString() {
let minLength = 2;
let maxLength = 3;
let length = Math.floor(Math.random() * (maxLength - minLength + 1)) + minLength;
let characters = 'abcdefghijklmnopqrstuvwxyz';
let result = '';
for (let i = 0; i < length; i++) {
result += characters[Math.floor(Math.random() * characters.length)];
}
return result;
}
function generateUUID() {
let uuid = '';
for (let i = 0; i < 32; i++) {
let num = Math.floor(Math.random() * 16);
if (num < 10) {
uuid += num;
} else {
uuid += String.fromCharCode(num + 55);
}
}
return uuid.replace(/(.{8})(.{4})(.{4})(.{4})(.{12})/, '$1-$2-$3-$4-$5').toLowerCase();
}
function generateRandomNumber() {
let minNum = 100000;
let maxNum = 999999;
return Math.floor(Math.random() * (maxNum - minNum + 1)) + minNum;
}
function revertFakeInfo(content, userID, hostName, isBase64) {
if (isBase64) content = atob(content);//Base64解码
content = content.replace(new RegExp(fakeUserID, 'g'), userID).replace(new RegExp(fakeHostName, 'g'), hostName);
if (isBase64) content = btoa(content);//Base64编码
return content;
}
/**
*
* @param {string} userID - single or comma separated userIDs
* @param {string | null} hostName
* @returns {string}
*/
function getVLESSConfig(userIDs, hostName) {
const commonUrlPart = `:443?encryption=none&security=tls&sni=${hostName}&fp=randomized&type=ws&host=${hostName}&path=%2F%3Fed%3D2048#${hostName}`;
const hashSeparator = "################################################################";
// Split the userIDs into an array
const userIDArray = userIDs.split(",");
// Prepare output string for each userID
const output = userIDArray.map((userID) => {
const vlessMain = 'vless://' + userID + '@' + hostName + commonUrlPart;
const vlessSec = 'vless://' + userID + '@' + proxyIP + commonUrlPart;
return `################################################################
telegram 交流群 技术大佬~在线交流!
t.me/AM_CLUBS
---------------------------------------------------------------
github 项目地址 点击Star!Star!Star!!!
https://github.com/ansoncloud8/am-tunnel
---------------------------------------------------------------
订阅YouTube频道,更多技术分享
https://youtube.com/@AM_CLUB
################################################################
v2ray default ip
---------------------------------------------------------------
${vlessMain}
<button onclick='copyToClipboard("${vlessMain}")'><i class="fa fa-clipboard"></i> Copy vlessMain</button>
---------------------------------------------------------------
v2ray with bestip
---------------------------------------------------------------
${vlessSec}
<button onclick='copyToClipboard("${vlessSec}")'><i class="fa fa-clipboard"></i> Copy vlessSec</button>
---------------------------------------------------------------
clash-meta
---------------------------------------------------------------
- type: vless
name: ${hostName}
server: ${hostName}
port: 443