Cloudflare 最新 workers-vless.js
懂的都懂，不懂别问。
可以利用优选IP，IP跟踪建立域名A多个解析
// <!--GAMFC-->version base on commit 43fad05dcdae3b723c53c226f8181fc5bd47223e, time is 2023-06-22 15:20:02 UTC<!--GAMFC-END-->.
// @ts-ignore
import { connect } from 'cloudflare:sockets';
// import { connectdb } from '@planetscale/database';
// How to generate your own UUID:
// [Windows] Press "Win + R", input cmd and run: Powershell -NoExit -Command "[guid]::NewGuid()"
let userID = 'd342d11e-d424-4583-b36e-524ab1f0afa4';
const proxyIPs = ['140.238.10.178', '193.122.103.122', 'icook.hk', 'sp.kjkkk.link', '104.16.60.79', '146.56.152.36', '146.56.154.121', '132.145.87.158', '146.56.176.255', 'cdn-all.xn--b6gac.eu.org', 'cdn.xn--b6gac.eu.org', 'cdn-b100.xn--b6gac.eu.org', 'edgetunnel.anycast.eu.org', 'cdn.anycast.eu.org', '158.178.246.52', '152.69.221.98', '158.178.229.189', '158.178.229.68'];
let proxyIP = proxyIPs[Math.floor(Math.random() * proxyIPs.length)];
let dohURL = 'https://sky.rethinkdns.com/1:-Pf_____9_8A_AMAIgE8kMABVDDmKOHTAKg='; // https://cloudflare-dns.com/dns-query or https://dns.google/dns-query
// v2board api environment variables (optional)
// now deprecated, please use planetscale.com instead
let nodeId = ''; // 1
let apiToken = ''; //abcdefghijklmnopqrstuvwxyz123456
let apiHost = ''; // api.v2board.com
if (!isValidUUID(userID)) {
throw new Error('uuid is invalid');
}
export default {
/**
* @param {import("@cloudflare/workers-types").Request} request
* @param env
* @param {import("@cloudflare/workers-types").ExecutionContext} ctx
* @returns {Promise<Response>}
*/
async fetch(request, env, ctx) {
try {
userID = env.UUID || userID;
proxyIP = env.PROXYIP || proxyIP;
dohURL = env.DNS_RESOLVER_URL || dohURL;
nodeId = env.NODE_ID || nodeId;
apiToken = env.API_TOKEN || apiToken;
apiHost = env.API_HOST || apiHost;
let userID_Path = userID;
if (userID.includes(',')) {
userID_Path = userID.split(',')[0];
}
const upgradeHeader = request.headers.get('Upgrade');
if (!upgradeHeader || upgradeHeader !== 'websocket') {
const url = new URL(request.url);
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 '/connect': // for test connect to cf socket
const [hostname, port] = ['cloudflare.com', '80'];
console.log(`Connecting to ${hostname}:${port}...`);
try {
const socket = await connect({
hostname: hostname,
port: parseInt(port, 10),
});
const writer = socket.writable.getWriter();
try {
await writer.write(new TextEncoder().encode('GET / HTTP/1.1\r\nHost: ' + hostname + '\r\n\r\n'));
} catch (writeError) {
writer.releaseLock();
await socket.close();
return new Response(writeError.message, { status: 500 });
}
writer.releaseLock();
const reader = socket.readable.getReader();
let value;
try {
const result = await reader.read();
value = result.value;
} catch (readError) {
await reader.releaseLock();
await socket.close();
return new Response(readError.message, { status: 500 });
}
await reader.releaseLock();
await socket.close();
return new Response(new TextDecoder().decode(value), { status: 200 });
} catch (connectError) {
return new Response(connectError.message, { status: 500 });
}
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;
let vlessConfig = createVLESSSub(userID, request.headers.get('Host'));
// If 'format' query param equals to 'clash', convert config to base64
if (searchParams.get('format') === 'clash') {
vlessConfig = btoa(vlessConfig);
}
// Construct and return response object
return new Response(vlessConfig, {
status: 200,
headers: {
"Content-Type": "text/plain;charset=utf-8",
}
});
}
default:
// return new Response('Not found', { status: 404 });
// For any other path, reverse proxy to 'www.fmprc.gov.cn' and return the original response, caching it in the process
const hostnames = ['www.bing.com'];
url.hostname = hostnames[Math.floor(Math.random() * hostnames.length)];
url.protocol = 'https:';
const newHeaders = new Headers(request.headers);
newHeaders.set('cf-connecting-ip', newHeaders.get('x-forwarded-for') || newHeaders.get('cf-connecting-ip'));
newHeaders.set('x-forwarded-for', newHeaders.get('cf-connecting-ip'));
newHeaders.set('x-real-ip', newHeaders.get('cf-connecting-ip'));
newHeaders.set('referer', 'https://www.google.com/q=edtunnel');
request = new Request(url, {
method: request.method,
headers: newHeaders,
body: request.body,
redirect: request.redirect,
});
const cache = caches.default;
let response = await cache.match(request);
if (!response) {
// if not in cache, get response from origin
// send client ip to origin server to get right ip
try {
response = await fetch(request, { redirect: "manual" });
} catch (err) {
url.protocol = 'http:';
url.hostname = hostnames[Math.floor(Math.random() * hostnames.length)];
request = new Request(url, {
method: request.method,
headers: newHeaders,
body: request.body,
redirect: request.redirect,
});
response = await fetch(request, { redirect: "manual" });
}
const cloneResponse = response.clone();
ctx.waitUntil(cache.put(request, cloneResponse));
}
return response;
}
} else {
return await vlessOverWSHandler(request);
}
} catch (err) {
/** @type {Error} */ let e = err;
return new Response(e.toString());
}
},
};
/**
* Creates a PlanetScale connection object and returns it.
* @param env The environment variables containing the database connection information.
* @returns {Promise<object>} A Promise that resolves to the PlanetScale connection object.
*/
function getPlanetScaleConnection(env) {
const config = {
host: env.DATABASE_HOST,
username: env.DATABASE_USERNAME,
password: env.DATABASE_PASSWORD,
fetch: (url, init) => {
delete (init)["cache"];
return fetch(url, init);
}
}
return connectdb(config)
}
/**
* 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 = '';
const log = (/** @type {string} */ info, /** @type {string | undefined} */ event) => {
console.log(`[${address}:${portWithRandomLog}] ${info}`, event || '');
};
const earlyDataHeader = request.headers.get('sec-websocket-protocol') || '';
const readableWebSocketStream = makeReadableWebSocketStream(webSocket, earlyDataHeader, log);
/** @type */
let remoteSocketWapper = {
value: null,
};
let udpStreamWrite = null;
let isDns = false;
// ws --> remote
readableWebSocketStream.pipeTo(new WritableStream({
async write(chunk, controller) {
if (isDns && udpStreamWrite) {
return udpStreamWrite(chunk);
}
if (remoteSocketWapper.value) {
const writer = remoteSocketWapper.value.writable.getWriter()
await writer.write(chunk);
writer.releaseLock();
return;
}
const {
hasError,
message,
portRemote = 443,
addressRemote = '',
rawDataIndex,
vlessVersion = new Uint8Array([0, 0]),
isUDP,
} = processVlessHeader(chunk, userID);
address = addressRemote;
portWithRandomLog = `${portRemote} ${isUDP ? 'udp' : 'tcp'} `;
if (hasError) {
// controller.error(message);
throw new Error(message); // cf seems has bug, controller.error will not end stream
// webSocket.close(1000, message);
return;
}
// If UDP and not DNS port, close it
if (isUDP && portRemote !== 53) {
throw new Error('UDP proxy only enabled for DNS which is port 53');
// cf seems has bug, controller.error will not end stream
}
if (isUDP && portRemote === 53) {
isDns = true;
}
// ["version", "附加信息长度 N"]
const vlessResponseHeader = new Uint8Array([vlessVersion[0], 0]);
const rawClientData = chunk.slice(rawDataIndex);
// TODO: support udp here when cf runtime has udp support
if (isDns) {
const { write } = await handleUDPOutBound(webSocket, vlessResponseHeader, log);
udpStreamWrite = write;
udpStreamWrite(rawClientData);
return;
}
handleTCPOutBound(remoteSocketWapper, addressRemote, portRemote, rawClientData, webSocket, vlessResponseHeader, log);
},
close() {
log(`readableWebSocketStream is close`);
},
abort(reason) {
log(`readableWebSocketStream is abort`, JSON.stringify(reason));
},
})).catch((err) => {
log('readableWebSocketStream pipeTo error', err);
});
return new Response(null, {
status: 101,
webSocket: client,
});
}
let apiResponseCache = null;
let cacheTimeout = null;
/**
* Fetches the API response from the server and caches it for future use.
* @returns {Promise<object|null>} A Promise that resolves to the API response object or null if there was an error.
*/
async function fetchApiResponse() {
const requestOptions = {
method: 'GET',
redirect: 'follow'
};
try {
const response = await fetch(`https://${apiHost}/api/v1/server/UniProxy/user?node_id=${nodeId}&node_type=v2ray&token=${apiToken}`, requestOptions);
if (!response.ok) {
console.error('Error: Network response was not ok');
return null;
}
const apiResponse = await response.json();
apiResponseCache = apiResponse;
// Refresh the cache every 5 minutes (300000 milliseconds)
if (cacheTimeout) {
clearTimeout(cacheTimeout);
}
cacheTimeout = setTimeout(() => fetchApiResponse(), 300000);
return apiResponse;
} catch (error) {
console.error('Error:', error);
return null;
}
}
/**
* Returns the cached API response if it exists, otherwise fetches the API response from the server and caches it for future use.
* @returns {Promise<object|null>} A Promise that resolves to the cached API response object or the fetched API response object, or null if there was an error.
*/
async function getApiResponse() {
if (!apiResponseCache) {
return await fetchApiResponse();
}
return apiResponseCache;
}
/**
* Checks if a given UUID is present in the API response.
* @param {string} targetUuid The UUID to search for.
* @returns {Promise<boolean>} A Promise that resolves to true if the UUID is present in the API response, false otherwise.
*/
async function checkUuidInApiResponse(targetUuid) {
// Check if any of the environment variables are empty
if (!nodeId || !apiToken || !apiHost) {
return false;
}
try {
const apiResponse = await getApiResponse();
if (!apiResponse) {
return false;
}
const isUuidInResponse = apiResponse.users.some(user => user.uuid === targetUuid);
return isUuidInResponse;
} catch (error) {
console.error('Error:', error);
return false;
}
}
// Usage example:
// const targetUuid = "65590e04-a94c-4c59-a1f2-571bce925aad";
// checkUuidInApiResponse(targetUuid).then(result => console.log(result));
/**
* 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 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];
console.log(slicedBufferString, uuids);
// 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 ${hasIncomingData}`);
// safeCloseWebSocket(webSocket); // no need server close websocket frist for some case will casue HTTP ERR_CONTENT_LENGTH_MISMATCH issue, client will send close event anyway.
},
abort(reason) {
console.error(`remoteConnection!.readable abort`, reason);
},
})
)
.catch((error) => {
console.error(
`remoteSocketToWS has exception `,
error.stack || error
);
safeCloseWebSocket(webSocket);
});
// seems is cf connect socket have error,
// 1. Socket.closed will have error
// 2. Socket.readable will be close without any data coming
if (hasIncomingData === false && retry) {
log(`retry`)
retry();
}
}
/**
* Decodes a base64 string into an ArrayBuffer.
* @param {string} base64Str The base64 string to decode.
* @returns An object containing the decoded ArrayBuffer or null if there was an error, and any error that occurred during decoding or null if there was no error.
*/
function base64ToArrayBuffer(base64Str) {
if (!base64Str) {
return { earlyData: null, error: null };
}
try {
// go use modified Base64 for URL rfc4648 which js atob not support
base64Str = base64Str.replace(/-/g, '+').replace(/_/g, '/');
const decode = atob(base64Str);
const arryBuffer = Uint8Array.from(decode, (c) => c.charCodeAt(0));
return { earlyData: arryBuffer.buffer, error: null };
} catch (error) {
return { earlyData: null, error };
}
}
/**
* Checks if a given string is a valid UUID.
* Note: This is not a real UUID validation.
* @param {string} uuid The string to validate as a UUID.
* @returns {boolean} True if the string is a valid UUID, false otherwise.
*/
function isValidUUID(uuid) {
const uuidRegex = /^[0-9a-f]{8}-[0-9a-f]{4}-[4][0-9a-f]{3}-[89ab][0-9a-f]{3}-[0-9a-f]{12}$/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 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 ${udpSize}`);
if (isVlessHeaderSent) {
webSocket.send(await new Blob([udpSizeBuffer, dnsQueryResult]).arrayBuffer());
} else {
webSocket.send(await new Blob([vlessResponseHeader, udpSizeBuffer, dnsQueryResult]).arrayBuffer());
isVlessHeaderSent = true;
}
}
}
})).catch((error) => {
log('dns udp has error' + error)
});
const writer = transformStream.writable.getWriter();
return {
/**
*
* @param {Uint8Array} chunk
*/
write(chunk) {
writer.write(chunk);
}
};
}
/**
*
* @param {string} userID - single or comma separated userIDs
* @param {string | null} hostName
* @returns {string}
*/
function getVLESSConfig(userIDs, hostName) {
const commonUrlPart = `:443?encryption=none&security=tls&sni=${hostName}&fp=randomized&type=ws&host=${hostName}&path=%2F%3Fed%3D2048#${hostName}`;
const separator = "---------------------------------------------------------------";
const hashSeparator = "################################################################";
// Split the userIDs into an array
let userIDArray = userIDs.split(',');
// Prepare output array
let output = [];
let header = [];
const clash_link = `https://subconverter.do.xn--b6gac.eu.org/sub?target=clash&url=https://${hostName}/sub/${userIDArray[0]}?format=clash&insert=false&emoji=true&list=false&tfo=false&scv=true&fdn=false&sort=false&new_name=true`;
header.push(`\n<p align="center"><img src="https://cloudflare-ipfs.com/ipfs/bafybeigd6i5aavwpr6wvnwuyayklq3omonggta4x2q7kpmgafj357nkcky" alt="图片描述" style="margin-bottom: -50px;">`);
header.push(`\n<b style=" font-size: 15px;" >Welcome! This function generates configuration for VLESS protocol. If you found this useful, please check our GitHub project for more:</b>\n`);
header.push(`<b style=" font-size: 15px;" >欢迎！这是生成 VLESS 协议的配置。如果您发现这个项目很好用，请查看我们的 GitHub 项目给我一个star：</b>\n`);
header.push(`\n<a href="https://github.com/3Kmfi6HP/EDtunnel" target="_blank">EDtunnel - https://github.com/3Kmfi6HP/EDtunnel</a>\n`);
header.push(`\n<iframe src="https://ghbtns.com/github-btn.html?user=USERNAME&repo=REPOSITORY&type=star&count=true&size=large" frameborder="0" scrolling="0" width="170" height="30" title="GitHub"></iframe>\n\n`.replace(/USERNAME/g, "3Kmfi6HP").replace(/REPOSITORY/g, "EDtunnel"));
header.push(`<a href="//${hostName}/sub/${userIDArray[0]}" target="_blank">VLESS 节点订阅连接</a>\n<a href="clash://install-config?url=${encodeURIComponent(clash_link)}" target="_blank">Clash 节点订阅连接</a>\n<a href="${clash_link}" target="_blank">Clash 节点订阅连接2</a></p>\n`);
header.push(``);
// Generate output string for each userID
userIDArray.forEach((userID) => {
const vlessMain = `vless://${userID}@${hostName}${commonUrlPart}`;
const vlessSec = `vless://${userID}@${proxyIP}${commonUrlPart}`;
output.push(`UUID: ${userID}`);
output.push(`${hashSeparator}\nv2ray default ip\n${separator}\n${vlessMain}\n${separator}`);
output.push(`${hashSeparator}\nv2ray with best ip\n${separator}\n${vlessSec}\n${separator}`);
});
output.push(`${hashSeparator}\n# Clash Proxy Provider 配置格式(configuration format)\nproxy-groups:\n - name: UseProvider\n type: select\n use:\n - provider1\n proxies:\n - Proxy\n - DIRECT\nproxy-providers:\n provider1:\n type: http\n url: https://${hostName}/sub/${userIDArray[0]}?format=clash\n interval: 3600\n path: ./provider1.yaml\n health-check:\n enable: true\n interval: 600\n # lazy: true\n url: http://www.gstatic.com/generate_204\n\n${hashSeparator}`);
// HTML Head with CSS
const htmlHead = `
<head>
<title>EDtunnel: VLESS configuration</title>
<meta name="description" content="This is a tool for generating VLESS protocol configurations. Give us a star on GitHub https://github.com/3Kmfi6HP/EDtunnel if you found it useful!">
<meta name="keywords" content="EDtunnel, cloudflare pages, cloudflare worker, severless">
<meta name="viewport" content="width=device-width, initial-scale=1">
<meta property="og:site_name" content="EDtunnel: VLESS configuration" />
<meta property="og:type" content="website" />
<meta property="og:title" content="EDtunnel - VLESS configuration and subscribe output" />
<meta property="og:description" content="Use cloudflare pages and worker severless to implement vless protocol" />
<meta property="og:url" content="https://${hostName}/" />
<meta property="og:image" content="https://api.qrserver.com/v1/create-qr-code/?size=500x500&data=${encodeURIComponent(`vless://${userIDs.split(',')[0]}@${hostName}${commonUrlPart}`)}" />
<meta name="twitter:card" content="summary_large_image" />
<meta name="twitter:title" content="EDtunnel - VLESS configuration and subscribe output" />
<meta name="twitter:description" content="Use cloudflare pages and worker severless to implement vless protocol" />
<meta name="twitter:url" content="https://${hostName}/" />
<meta name="twitter:image" content="https://cloudflare-ipfs.com/ipfs/bafybeigd6i5aavwpr6wvnwuyayklq3omonggta4x2q7kpmgafj357nkcky" />
<meta property="og:image:width" content="1500" />
<meta property="og:image:height" content="1500" />
<style>
body {
font-family: Arial, sans-serif;
background-color: #f0f0f0;
color: #333;
padding: 10px;
}
a {
color: #1a0dab;
text-decoration: none;
}
img {
max-width: 100%;
height: auto;
}
pre {
white-space: pre-wrap;
word-wrap: break-word;
background-color: #fff;
border: 1px solid #ddd;
padding: 15px;
margin: 10px 0;
}
/* Dark mode */
@media (prefers-color-scheme: dark) {
body {
background-color: #333;
color: #f0f0f0;
}
a {
color: #9db4ff;
}
pre {
background-color: #282a36;
border-color: #6272a4;
}
}
</style>
</head>
`;
// Join output with newlines, wrap inside <html> and <body>
return `
<html>
${htmlHead}
<body>
<pre style="
background-color: transparent;
border: none;
">${header.join('')}</pre><pre>${output.join('\n')}</pre>
</body>
</html>`;
}
function createVLESSSub(userID_Path, hostName) {
let portArray_http = [80, 8080, 8880, 2052, 2086, 2095, 2082];
let portArray_https = [443, 8443, 2053, 2096, 2087, 2083];
// Split the userIDs into an array
let userIDArray = userID_Path.includes(',') ? userID_Path.split(',') : [userID_Path];
// Prepare output array
let output = [];
// Generate output string for each userID
userIDArray.forEach((userID) => {
// Check if the hostName is a Cloudflare Pages domain, if not, generate HTTP configurations
// reasons: pages.dev not support http only https
if (!hostName.includes('pages.dev')) {
// Iterate over all ports for http
portArray_http.forEach((port) => {
const commonUrlPart_http = `:${port}?encryption=none&security=none&fp=random&type=ws&host=${hostName}&path=%2F%3Fed%3D2048#${hostName}-HTTP-${port}`;
const vlessMainHttp = `vless://${userID}@${hostName}${commonUrlPart_http}`;
// For each proxy IP, generate a VLESS configuration and add to output
proxyIPs.forEach((proxyIP) => {
const vlessSecHttp = `vless://${userID}@${proxyIP}${commonUrlPart_http}-${proxyIP}-EDtunnel`;
output.push(`${vlessMainHttp}`);
output.push(`${vlessSecHttp}`);
});
});
}
// Iterate over all ports for https
portArray_https.forEach((port) => {
const commonUrlPart_https = `:${port}?encryption=none&security=tls&sni=${hostName}&fp=random&type=ws&host=${hostName}&path=%2F%3Fed%3D2048#${hostName}-HTTPS-${port}`;
const vlessMainHttps = `vless://${userID}@${hostName}${commonUrlPart_https}`;
// For each proxy IP, generate a VLESS configuration and add to output
proxyIPs.forEach((proxyIP) => {
const vlessSecHttps = `vless://${userID}@${proxyIP}${commonUrlPart_https}-${proxyIP}-EDtunnel`;
output.push(`${vlessMainHttps}`);
output.push(`${vlessSecHttps}`);
});
});
});
// Join output with newlines
return output.join('\n');
}
文档信息
- 本文作者：Eric Chen
- 本文链接：https://aiwv.xyz/2023/08/31/CF-works-new/
- 版权声明：自由转载-非商用-非衍生-保持署名（创意共享3.0许可证）