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/******/ (() => { // webpackBootstrap
/******/ var __webpack_modules__ = ([
/* 0 */,
/* 1 */
/***/ ((__unused_webpack_module, __webpack_exports__, __webpack_require__) => {
"use strict";
__webpack_require__.r(__webpack_exports__);
/* harmony export */ __webpack_require__.d(__webpack_exports__, {
/* harmony export */ "__assign": () => (/* binding */ __assign),
/* harmony export */ "__asyncDelegator": () => (/* binding */ __asyncDelegator),
/* harmony export */ "__asyncGenerator": () => (/* binding */ __asyncGenerator),
/* harmony export */ "__asyncValues": () => (/* binding */ __asyncValues),
/* harmony export */ "__await": () => (/* binding */ __await),
/* harmony export */ "__awaiter": () => (/* binding */ __awaiter),
/* harmony export */ "__classPrivateFieldGet": () => (/* binding */ __classPrivateFieldGet),
/* harmony export */ "__classPrivateFieldIn": () => (/* binding */ __classPrivateFieldIn),
/* harmony export */ "__classPrivateFieldSet": () => (/* binding */ __classPrivateFieldSet),
/* harmony export */ "__createBinding": () => (/* binding */ __createBinding),
/* harmony export */ "__decorate": () => (/* binding */ __decorate),
/* harmony export */ "__esDecorate": () => (/* binding */ __esDecorate),
/* harmony export */ "__exportStar": () => (/* binding */ __exportStar),
/* harmony export */ "__extends": () => (/* binding */ __extends),
/* harmony export */ "__generator": () => (/* binding */ __generator),
/* harmony export */ "__importDefault": () => (/* binding */ __importDefault),
/* harmony export */ "__importStar": () => (/* binding */ __importStar),
/* harmony export */ "__makeTemplateObject": () => (/* binding */ __makeTemplateObject),
/* harmony export */ "__metadata": () => (/* binding */ __metadata),
/* harmony export */ "__param": () => (/* binding */ __param),
/* harmony export */ "__propKey": () => (/* binding */ __propKey),
/* harmony export */ "__read": () => (/* binding */ __read),
/* harmony export */ "__rest": () => (/* binding */ __rest),
/* harmony export */ "__runInitializers": () => (/* binding */ __runInitializers),
/* harmony export */ "__setFunctionName": () => (/* binding */ __setFunctionName),
/* harmony export */ "__spread": () => (/* binding */ __spread),
/* harmony export */ "__spreadArray": () => (/* binding */ __spreadArray),
/* harmony export */ "__spreadArrays": () => (/* binding */ __spreadArrays),
/* harmony export */ "__values": () => (/* binding */ __values)
/* harmony export */ });
/******************************************************************************
Copyright (c) Microsoft Corporation.
Permission to use, copy, modify, and/or distribute this software for any
purpose with or without fee is hereby granted.
THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES WITH
REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT,
INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR
OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
PERFORMANCE OF THIS SOFTWARE.
***************************************************************************** */
/* global Reflect, Promise */
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finally {
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__setModuleDefault(result, mod);
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}
function __importDefault(mod) {
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function __classPrivateFieldGet(receiver, state, kind, f) {
if (kind === "a" && !f) throw new TypeError("Private accessor was defined without a getter");
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}
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/***/ }),
/* 2 */
/***/ ((module) => {
"use strict";
module.exports = require("http");
/***/ }),
/* 3 */
/***/ ((module) => {
"use strict";
module.exports = require("url");
/***/ }),
/* 4 */
/***/ ((module, __unused_webpack_exports, __webpack_require__) => {
"use strict";
const WebSocket = __webpack_require__(5);
WebSocket.createWebSocketStream = __webpack_require__(23);
WebSocket.Server = __webpack_require__(24);
WebSocket.Receiver = __webpack_require__(17);
WebSocket.Sender = __webpack_require__(20);
WebSocket.WebSocket = WebSocket;
WebSocket.WebSocketServer = WebSocket.Server;
module.exports = WebSocket;
/***/ }),
/* 5 */
/***/ ((module, __unused_webpack_exports, __webpack_require__) => {
"use strict";
/* eslint no-unused-vars: ["error", { "varsIgnorePattern": "^Readable$" }] */
const EventEmitter = __webpack_require__(6);
const https = __webpack_require__(7);
const http = __webpack_require__(2);
const net = __webpack_require__(8);
const tls = __webpack_require__(9);
const { randomBytes, createHash } = __webpack_require__(10);
const { Readable } = __webpack_require__(11);
const { URL } = __webpack_require__(3);
const PerMessageDeflate = __webpack_require__(12);
const Receiver = __webpack_require__(17);
const Sender = __webpack_require__(20);
const {
BINARY_TYPES,
EMPTY_BUFFER,
GUID,
kForOnEventAttribute,
kListener,
kStatusCode,
kWebSocket,
NOOP
} = __webpack_require__(15);
const {
EventTarget: { addEventListener, removeEventListener }
} = __webpack_require__(21);
const { format, parse } = __webpack_require__(22);
const { toBuffer } = __webpack_require__(14);
const closeTimeout = 30 * 1000;
const kAborted = Symbol('kAborted');
const protocolVersions = [8, 13];
const readyStates = ['CONNECTING', 'OPEN', 'CLOSING', 'CLOSED'];
const subprotocolRegex = /^[!#$%&'*+\-.0-9A-Z^_`|a-z~]+$/;
/**
* Class representing a WebSocket.
*
* @extends EventEmitter
*/
class WebSocket extends EventEmitter {
/**
* Create a new `WebSocket`.
*
* @param {(String|URL)} address The URL to which to connect
* @param {(String|String[])} [protocols] The subprotocols
* @param {Object} [options] Connection options
*/
constructor(address, protocols, options) {
super();
this._binaryType = BINARY_TYPES[0];
this._closeCode = 1006;
this._closeFrameReceived = false;
this._closeFrameSent = false;
this._closeMessage = EMPTY_BUFFER;
this._closeTimer = null;
this._extensions = {};
this._paused = false;
this._protocol = '';
this._readyState = WebSocket.CONNECTING;
this._receiver = null;
this._sender = null;
this._socket = null;
if (address !== null) {
this._bufferedAmount = 0;
this._isServer = false;
this._redirects = 0;
if (protocols === undefined) {
protocols = [];
} else if (!Array.isArray(protocols)) {
if (typeof protocols === 'object' && protocols !== null) {
options = protocols;
protocols = [];
} else {
protocols = [protocols];
}
}
initAsClient(this, address, protocols, options);
} else {
this._isServer = true;
}
}
/**
* This deviates from the WHATWG interface since ws doesn't support the
* required default "blob" type (instead we define a custom "nodebuffer"
* type).
*
* @type {String}
*/
get binaryType() {
return this._binaryType;
}
set binaryType(type) {
if (!BINARY_TYPES.includes(type)) return;
this._binaryType = type;
//
// Allow to change `binaryType` on the fly.
//
if (this._receiver) this._receiver._binaryType = type;
}
/**
* @type {Number}
*/
get bufferedAmount() {
if (!this._socket) return this._bufferedAmount;
return this._socket._writableState.length + this._sender._bufferedBytes;
}
/**
* @type {String}
*/
get extensions() {
return Object.keys(this._extensions).join();
}
/**
* @type {Boolean}
*/
get isPaused() {
return this._paused;
}
/**
* @type {Function}
*/
/* istanbul ignore next */
get onclose() {
return null;
}
/**
* @type {Function}
*/
/* istanbul ignore next */
get onerror() {
return null;
}
/**
* @type {Function}
*/
/* istanbul ignore next */
get onopen() {
return null;
}
/**
* @type {Function}
*/
/* istanbul ignore next */
get onmessage() {
return null;
}
/**
* @type {String}
*/
get protocol() {
return this._protocol;
}
/**
* @type {Number}
*/
get readyState() {
return this._readyState;
}
/**
* @type {String}
*/
get url() {
return this._url;
}
/**
* Set up the socket and the internal resources.
*
* @param {(net.Socket|tls.Socket)} socket The network socket between the
* server and client
* @param {Buffer} head The first packet of the upgraded stream
* @param {Object} options Options object
* @param {Function} [options.generateMask] The function used to generate the
* masking key
* @param {Number} [options.maxPayload=0] The maximum allowed message size
* @param {Boolean} [options.skipUTF8Validation=false] Specifies whether or
* not to skip UTF-8 validation for text and close messages
* @private
*/
setSocket(socket, head, options) {
const receiver = new Receiver({
binaryType: this.binaryType,
extensions: this._extensions,
isServer: this._isServer,
maxPayload: options.maxPayload,
skipUTF8Validation: options.skipUTF8Validation
});
this._sender = new Sender(socket, this._extensions, options.generateMask);
this._receiver = receiver;
this._socket = socket;
receiver[kWebSocket] = this;
socket[kWebSocket] = this;
receiver.on('conclude', receiverOnConclude);
receiver.on('drain', receiverOnDrain);
receiver.on('error', receiverOnError);
receiver.on('message', receiverOnMessage);
receiver.on('ping', receiverOnPing);
receiver.on('pong', receiverOnPong);
socket.setTimeout(0);
socket.setNoDelay();
if (head.length > 0) socket.unshift(head);
socket.on('close', socketOnClose);
socket.on('data', socketOnData);
socket.on('end', socketOnEnd);
socket.on('error', socketOnError);
this._readyState = WebSocket.OPEN;
this.emit('open');
}
/**
* Emit the `'close'` event.
*
* @private
*/
emitClose() {
if (!this._socket) {
this._readyState = WebSocket.CLOSED;
this.emit('close', this._closeCode, this._closeMessage);
return;
}
if (this._extensions[PerMessageDeflate.extensionName]) {
this._extensions[PerMessageDeflate.extensionName].cleanup();
}
this._receiver.removeAllListeners();
this._readyState = WebSocket.CLOSED;
this.emit('close', this._closeCode, this._closeMessage);
}
/**
* Start a closing handshake.
*
* +----------+ +-----------+ +----------+
* - - -|ws.close()|-->|close frame|-->|ws.close()|- - -
* | +----------+ +-----------+ +----------+ |
* +----------+ +-----------+ |
* CLOSING |ws.close()|<--|close frame|<--+-----+ CLOSING
* +----------+ +-----------+ |
* | | | +---+ |
* +------------------------+-->|fin| - - - -
* | +---+ | +---+
* - - - - -|fin|<---------------------+
* +---+
*
* @param {Number} [code] Status code explaining why the connection is closing
* @param {(String|Buffer)} [data] The reason why the connection is
* closing
* @public
*/
close(code, data) {
if (this.readyState === WebSocket.CLOSED) return;
if (this.readyState === WebSocket.CONNECTING) {
const msg = 'WebSocket was closed before the connection was established';
abortHandshake(this, this._req, msg);
return;
}
if (this.readyState === WebSocket.CLOSING) {
if (
this._closeFrameSent &&
(this._closeFrameReceived || this._receiver._writableState.errorEmitted)
) {
this._socket.end();
}
return;
}
this._readyState = WebSocket.CLOSING;
this._sender.close(code, data, !this._isServer, (err) => {
//
// This error is handled by the `'error'` listener on the socket. We only
// want to know if the close frame has been sent here.
//
if (err) return;
this._closeFrameSent = true;
if (
this._closeFrameReceived ||
this._receiver._writableState.errorEmitted
) {
this._socket.end();
}
});
//
// Specify a timeout for the closing handshake to complete.
//
this._closeTimer = setTimeout(
this._socket.destroy.bind(this._socket),
closeTimeout
);
}
/**
* Pause the socket.
*
* @public
*/
pause() {
if (
this.readyState === WebSocket.CONNECTING ||
this.readyState === WebSocket.CLOSED
) {
return;
}
this._paused = true;
this._socket.pause();
}
/**
* Send a ping.
*
* @param {*} [data] The data to send
* @param {Boolean} [mask] Indicates whether or not to mask `data`
* @param {Function} [cb] Callback which is executed when the ping is sent
* @public
*/
ping(data, mask, cb) {
if (this.readyState === WebSocket.CONNECTING) {
throw new Error('WebSocket is not open: readyState 0 (CONNECTING)');
}
if (typeof data === 'function') {
cb = data;
data = mask = undefined;
} else if (typeof mask === 'function') {
cb = mask;
mask = undefined;
}
if (typeof data === 'number') data = data.toString();
if (this.readyState !== WebSocket.OPEN) {
sendAfterClose(this, data, cb);
return;
}
if (mask === undefined) mask = !this._isServer;
this._sender.ping(data || EMPTY_BUFFER, mask, cb);
}
/**
* Send a pong.
*
* @param {*} [data] The data to send
* @param {Boolean} [mask] Indicates whether or not to mask `data`
* @param {Function} [cb] Callback which is executed when the pong is sent
* @public
*/
pong(data, mask, cb) {
if (this.readyState === WebSocket.CONNECTING) {
throw new Error('WebSocket is not open: readyState 0 (CONNECTING)');
}
if (typeof data === 'function') {
cb = data;
data = mask = undefined;
} else if (typeof mask === 'function') {
cb = mask;
mask = undefined;
}
if (typeof data === 'number') data = data.toString();
if (this.readyState !== WebSocket.OPEN) {
sendAfterClose(this, data, cb);
return;
}
if (mask === undefined) mask = !this._isServer;
this._sender.pong(data || EMPTY_BUFFER, mask, cb);
}
/**
* Resume the socket.
*
* @public
*/
resume() {
if (
this.readyState === WebSocket.CONNECTING ||
this.readyState === WebSocket.CLOSED
) {
return;
}
this._paused = false;
if (!this._receiver._writableState.needDrain) this._socket.resume();
}
/**
* Send a data message.
*
* @param {*} data The message to send
* @param {Object} [options] Options object
* @param {Boolean} [options.binary] Specifies whether `data` is binary or
* text
* @param {Boolean} [options.compress] Specifies whether or not to compress
* `data`
* @param {Boolean} [options.fin=true] Specifies whether the fragment is the
* last one
* @param {Boolean} [options.mask] Specifies whether or not to mask `data`
* @param {Function} [cb] Callback which is executed when data is written out
* @public
*/
send(data, options, cb) {
if (this.readyState === WebSocket.CONNECTING) {
throw new Error('WebSocket is not open: readyState 0 (CONNECTING)');
}
if (typeof options === 'function') {
cb = options;
options = {};
}
if (typeof data === 'number') data = data.toString();
if (this.readyState !== WebSocket.OPEN) {
sendAfterClose(this, data, cb);
return;
}
const opts = {
binary: typeof data !== 'string',
mask: !this._isServer,
compress: true,
fin: true,
...options
};
if (!this._extensions[PerMessageDeflate.extensionName]) {
opts.compress = false;
}
this._sender.send(data || EMPTY_BUFFER, opts, cb);
}
/**
* Forcibly close the connection.
*
* @public
*/
terminate() {
if (this.readyState === WebSocket.CLOSED) return;
if (this.readyState === WebSocket.CONNECTING) {
const msg = 'WebSocket was closed before the connection was established';
abortHandshake(this, this._req, msg);
return;
}
if (this._socket) {
this._readyState = WebSocket.CLOSING;
this._socket.destroy();
}
}
}
/**
* @constant {Number} CONNECTING
* @memberof WebSocket
*/
Object.defineProperty(WebSocket, 'CONNECTING', {
enumerable: true,
value: readyStates.indexOf('CONNECTING')
});
/**
* @constant {Number} CONNECTING
* @memberof WebSocket.prototype
*/
Object.defineProperty(WebSocket.prototype, 'CONNECTING', {
enumerable: true,
value: readyStates.indexOf('CONNECTING')
});
/**
* @constant {Number} OPEN
* @memberof WebSocket
*/
Object.defineProperty(WebSocket, 'OPEN', {
enumerable: true,
value: readyStates.indexOf('OPEN')
});
/**
* @constant {Number} OPEN
* @memberof WebSocket.prototype
*/
Object.defineProperty(WebSocket.prototype, 'OPEN', {
enumerable: true,
value: readyStates.indexOf('OPEN')
});
/**
* @constant {Number} CLOSING
* @memberof WebSocket
*/
Object.defineProperty(WebSocket, 'CLOSING', {
enumerable: true,
value: readyStates.indexOf('CLOSING')
});
/**
* @constant {Number} CLOSING
* @memberof WebSocket.prototype
*/
Object.defineProperty(WebSocket.prototype, 'CLOSING', {
enumerable: true,
value: readyStates.indexOf('CLOSING')
});
/**
* @constant {Number} CLOSED
* @memberof WebSocket
*/
Object.defineProperty(WebSocket, 'CLOSED', {
enumerable: true,
value: readyStates.indexOf('CLOSED')
});
/**
* @constant {Number} CLOSED
* @memberof WebSocket.prototype
*/
Object.defineProperty(WebSocket.prototype, 'CLOSED', {
enumerable: true,
value: readyStates.indexOf('CLOSED')
});
[
'binaryType',
'bufferedAmount',
'extensions',
'isPaused',
'protocol',
'readyState',
'url'
].forEach((property) => {
Object.defineProperty(WebSocket.prototype, property, { enumerable: true });
});
//
// Add the `onopen`, `onerror`, `onclose`, and `onmessage` attributes.
// See https://html.spec.whatwg.org/multipage/comms.html#the-websocket-interface
//
['open', 'error', 'close', 'message'].forEach((method) => {
Object.defineProperty(WebSocket.prototype, `on${method}`, {
enumerable: true,
get() {
for (const listener of this.listeners(method)) {
if (listener[kForOnEventAttribute]) return listener[kListener];
}
return null;
},
set(handler) {
for (const listener of this.listeners(method)) {
if (listener[kForOnEventAttribute]) {
this.removeListener(method, listener);
break;
}
}
if (typeof handler !== 'function') return;
this.addEventListener(method, handler, {
[kForOnEventAttribute]: true
});
}
});
});
WebSocket.prototype.addEventListener = addEventListener;
WebSocket.prototype.removeEventListener = removeEventListener;
module.exports = WebSocket;
/**
* Initialize a WebSocket client.
*
* @param {WebSocket} websocket The client to initialize
* @param {(String|URL)} address The URL to which to connect
* @param {Array} protocols The subprotocols
* @param {Object} [options] Connection options
* @param {Boolean} [options.followRedirects=false] Whether or not to follow
* redirects
* @param {Function} [options.generateMask] The function used to generate the
* masking key
* @param {Number} [options.handshakeTimeout] Timeout in milliseconds for the
* handshake request
* @param {Number} [options.maxPayload=104857600] The maximum allowed message
* size
* @param {Number} [options.maxRedirects=10] The maximum number of redirects
* allowed
* @param {String} [options.origin] Value of the `Origin` or
* `Sec-WebSocket-Origin` header
* @param {(Boolean|Object)} [options.perMessageDeflate=true] Enable/disable
* permessage-deflate
* @param {Number} [options.protocolVersion=13] Value of the
* `Sec-WebSocket-Version` header
* @param {Boolean} [options.skipUTF8Validation=false] Specifies whether or
* not to skip UTF-8 validation for text and close messages
* @private
*/
function initAsClient(websocket, address, protocols, options) {
const opts = {
protocolVersion: protocolVersions[1],
maxPayload: 100 * 1024 * 1024,
skipUTF8Validation: false,
perMessageDeflate: true,
followRedirects: false,
maxRedirects: 10,
...options,
createConnection: undefined,
socketPath: undefined,
hostname: undefined,
protocol: undefined,
timeout: undefined,
method: 'GET',
host: undefined,
path: undefined,
port: undefined
};
if (!protocolVersions.includes(opts.protocolVersion)) {
throw new RangeError(
`Unsupported protocol version: ${opts.protocolVersion} ` +
`(supported versions: ${protocolVersions.join(', ')})`
);
}
let parsedUrl;
if (address instanceof URL) {
parsedUrl = address;
websocket._url = address.href;
} else {
try {
parsedUrl = new URL(address);
} catch (e) {
throw new SyntaxError(`Invalid URL: ${address}`);
}
websocket._url = address;
}
const isSecure = parsedUrl.protocol === 'wss:';
const isIpcUrl = parsedUrl.protocol === 'ws+unix:';
let invalidUrlMessage;
if (parsedUrl.protocol !== 'ws:' && !isSecure && !isIpcUrl) {
invalidUrlMessage =
'The URL\'s protocol must be one of "ws:", "wss:", or "ws+unix:"';
} else if (isIpcUrl && !parsedUrl.pathname) {
invalidUrlMessage = "The URL's pathname is empty";
} else if (parsedUrl.hash) {
invalidUrlMessage = 'The URL contains a fragment identifier';
}
if (invalidUrlMessage) {
const err = new SyntaxError(invalidUrlMessage);
if (websocket._redirects === 0) {
throw err;
} else {
emitErrorAndClose(websocket, err);
return;
}
}
const defaultPort = isSecure ? 443 : 80;
const key = randomBytes(16).toString('base64');
const request = isSecure ? https.request : http.request;
const protocolSet = new Set();
let perMessageDeflate;
opts.createConnection = isSecure ? tlsConnect : netConnect;
opts.defaultPort = opts.defaultPort || defaultPort;
opts.port = parsedUrl.port || defaultPort;
opts.host = parsedUrl.hostname.startsWith('[')
? parsedUrl.hostname.slice(1, -1)
: parsedUrl.hostname;
opts.headers = {
...opts.headers,
'Sec-WebSocket-Version': opts.protocolVersion,
'Sec-WebSocket-Key': key,
Connection: 'Upgrade',
Upgrade: 'websocket'
};
opts.path = parsedUrl.pathname + parsedUrl.search;
opts.timeout = opts.handshakeTimeout;
if (opts.perMessageDeflate) {
perMessageDeflate = new PerMessageDeflate(
opts.perMessageDeflate !== true ? opts.perMessageDeflate : {},
false,
opts.maxPayload
);
opts.headers['Sec-WebSocket-Extensions'] = format({
[PerMessageDeflate.extensionName]: perMessageDeflate.offer()
});
}
if (protocols.length) {
for (const protocol of protocols) {
if (
typeof protocol !== 'string' ||
!subprotocolRegex.test(protocol) ||
protocolSet.has(protocol)
) {
throw new SyntaxError(
'An invalid or duplicated subprotocol was specified'
);
}
protocolSet.add(protocol);
}
opts.headers['Sec-WebSocket-Protocol'] = protocols.join(',');
}
if (opts.origin) {
if (opts.protocolVersion < 13) {
opts.headers['Sec-WebSocket-Origin'] = opts.origin;
} else {
opts.headers.Origin = opts.origin;
}
}
if (parsedUrl.username || parsedUrl.password) {
opts.auth = `${parsedUrl.username}:${parsedUrl.password}`;
}
if (isIpcUrl) {
const parts = opts.path.split(':');
opts.socketPath = parts[0];
opts.path = parts[1];
}
let req;
if (opts.followRedirects) {
if (websocket._redirects === 0) {
websocket._originalIpc = isIpcUrl;
websocket._originalSecure = isSecure;
websocket._originalHostOrSocketPath = isIpcUrl
? opts.socketPath
: parsedUrl.host;
const headers = options && options.headers;
//
// Shallow copy the user provided options so that headers can be changed
// without mutating the original object.
//
options = { ...options, headers: {} };
if (headers) {
for (const [key, value] of Object.entries(headers)) {
options.headers[key.toLowerCase()] = value;
}
}
} else if (websocket.listenerCount('redirect') === 0) {
const isSameHost = isIpcUrl
? websocket._originalIpc
? opts.socketPath === websocket._originalHostOrSocketPath
: false
: websocket._originalIpc
? false
: parsedUrl.host === websocket._originalHostOrSocketPath;
if (!isSameHost || (websocket._originalSecure && !isSecure)) {
//
// Match curl 7.77.0 behavior and drop the following headers. These
// headers are also dropped when following a redirect to a subdomain.
//
delete opts.headers.authorization;
delete opts.headers.cookie;
if (!isSameHost) delete opts.headers.host;
opts.auth = undefined;
}
}
//
// Match curl 7.77.0 behavior and make the first `Authorization` header win.
// If the `Authorization` header is set, then there is nothing to do as it
// will take precedence.
//
if (opts.auth && !options.headers.authorization) {
options.headers.authorization =
'Basic ' + Buffer.from(opts.auth).toString('base64');
}
req = websocket._req = request(opts);
if (websocket._redirects) {
//
// Unlike what is done for the `'upgrade'` event, no early exit is
// triggered here if the user calls `websocket.close()` or
// `websocket.terminate()` from a listener of the `'redirect'` event. This
// is because the user can also call `request.destroy()` with an error
// before calling `websocket.close()` or `websocket.terminate()` and this
// would result in an error being emitted on the `request` object with no
// `'error'` event listeners attached.
//
websocket.emit('redirect', websocket.url, req);
}
} else {
req = websocket._req = request(opts);
}
if (opts.timeout) {
req.on('timeout', () => {
abortHandshake(websocket, req, 'Opening handshake has timed out');
});
}
req.on('error', (err) => {
if (req === null || req[kAborted]) return;
req = websocket._req = null;
emitErrorAndClose(websocket, err);
});
req.on('response', (res) => {
const location = res.headers.location;
const statusCode = res.statusCode;
if (
location &&
opts.followRedirects &&
statusCode >= 300 &&
statusCode < 400
) {
if (++websocket._redirects > opts.maxRedirects) {
abortHandshake(websocket, req, 'Maximum redirects exceeded');
return;
}
req.abort();
let addr;
try {
addr = new URL(location, address);
} catch (e) {
const err = new SyntaxError(`Invalid URL: ${location}`);
emitErrorAndClose(websocket, err);
return;
}
initAsClient(websocket, addr, protocols, options);
} else if (!websocket.emit('unexpected-response', req, res)) {
abortHandshake(
websocket,
req,
`Unexpected server response: ${res.statusCode}`
);
}
});
req.on('upgrade', (res, socket, head) => {
websocket.emit('upgrade', res);
//
// The user may have closed the connection from a listener of the
// `'upgrade'` event.
//
if (websocket.readyState !== WebSocket.CONNECTING) return;
req = websocket._req = null;
if (res.headers.upgrade.toLowerCase() !== 'websocket') {
abortHandshake(websocket, socket, 'Invalid Upgrade header');
return;
}
const digest = createHash('sha1')
.update(key + GUID)
.digest('base64');
if (res.headers['sec-websocket-accept'] !== digest) {
abortHandshake(websocket, socket, 'Invalid Sec-WebSocket-Accept header');
return;
}
const serverProt = res.headers['sec-websocket-protocol'];
let protError;
if (serverProt !== undefined) {
if (!protocolSet.size) {
protError = 'Server sent a subprotocol but none was requested';
} else if (!protocolSet.has(serverProt)) {
protError = 'Server sent an invalid subprotocol';
}
} else if (protocolSet.size) {
protError = 'Server sent no subprotocol';
}
if (protError) {
abortHandshake(websocket, socket, protError);
return;
}
if (serverProt) websocket._protocol = serverProt;
const secWebSocketExtensions = res.headers['sec-websocket-extensions'];
if (secWebSocketExtensions !== undefined) {
if (!perMessageDeflate) {
const message =
'Server sent a Sec-WebSocket-Extensions header but no extension ' +
'was requested';
abortHandshake(websocket, socket, message);
return;
}
let extensions;
try {
extensions = parse(secWebSocketExtensions);
} catch (err) {
const message = 'Invalid Sec-WebSocket-Extensions header';
abortHandshake(websocket, socket, message);
return;
}
const extensionNames = Object.keys(extensions);
if (
extensionNames.length !== 1 ||
extensionNames[0] !== PerMessageDeflate.extensionName
) {
const message = 'Server indicated an extension that was not requested';
abortHandshake(websocket, socket, message);
return;
}
try {
perMessageDeflate.accept(extensions[PerMessageDeflate.extensionName]);
} catch (err) {
const message = 'Invalid Sec-WebSocket-Extensions header';
abortHandshake(websocket, socket, message);
return;
}
websocket._extensions[PerMessageDeflate.extensionName] =
perMessageDeflate;
}
websocket.setSocket(socket, head, {
generateMask: opts.generateMask,
maxPayload: opts.maxPayload,
skipUTF8Validation: opts.skipUTF8Validation
});
});
if (opts.finishRequest) {
opts.finishRequest(req, websocket);
} else {
req.end();
}
}
/**
* Emit the `'error'` and `'close'` events.
*
* @param {WebSocket} websocket The WebSocket instance
* @param {Error} The error to emit
* @private
*/
function emitErrorAndClose(websocket, err) {
websocket._readyState = WebSocket.CLOSING;
websocket.emit('error', err);
websocket.emitClose();
}
/**
* Create a `net.Socket` and initiate a connection.
*
* @param {Object} options Connection options
* @return {net.Socket} The newly created socket used to start the connection
* @private
*/
function netConnect(options) {
options.path = options.socketPath;
return net.connect(options);
}
/**
* Create a `tls.TLSSocket` and initiate a connection.
*
* @param {Object} options Connection options
* @return {tls.TLSSocket} The newly created socket used to start the connection
* @private
*/
function tlsConnect(options) {
options.path = undefined;
if (!options.servername && options.servername !== '') {
options.servername = net.isIP(options.host) ? '' : options.host;
}
return tls.connect(options);
}
/**
* Abort the handshake and emit an error.
*
* @param {WebSocket} websocket The WebSocket instance
* @param {(http.ClientRequest|net.Socket|tls.Socket)} stream The request to
* abort or the socket to destroy
* @param {String} message The error message
* @private
*/
function abortHandshake(websocket, stream, message) {
websocket._readyState = WebSocket.CLOSING;
const err = new Error(message);
Error.captureStackTrace(err, abortHandshake);
if (stream.setHeader) {
stream[kAborted] = true;
stream.abort();
if (stream.socket && !stream.socket.destroyed) {
//
// On Node.js >= 14.3.0 `request.abort()` does not destroy the socket if
// called after the request completed. See
// https://github.com/websockets/ws/issues/1869.
//
stream.socket.destroy();
}
process.nextTick(emitErrorAndClose, websocket, err);
} else {
stream.destroy(err);
stream.once('error', websocket.emit.bind(websocket, 'error'));
stream.once('close', websocket.emitClose.bind(websocket));
}
}
/**
* Handle cases where the `ping()`, `pong()`, or `send()` methods are called
* when the `readyState` attribute is `CLOSING` or `CLOSED`.
*
* @param {WebSocket} websocket The WebSocket instance
* @param {*} [data] The data to send
* @param {Function} [cb] Callback
* @private
*/
function sendAfterClose(websocket, data, cb) {
if (data) {
const length = toBuffer(data).length;
//
// The `_bufferedAmount` property is used only when the peer is a client and
// the opening handshake fails. Under these circumstances, in fact, the
// `setSocket()` method is not called, so the `_socket` and `_sender`
// properties are set to `null`.
//
if (websocket._socket) websocket._sender._bufferedBytes += length;
else websocket._bufferedAmount += length;
}
if (cb) {
const err = new Error(
`WebSocket is not open: readyState ${websocket.readyState} ` +
`(${readyStates[websocket.readyState]})`
);
process.nextTick(cb, err);
}
}
/**
* The listener of the `Receiver` `'conclude'` event.
*
* @param {Number} code The status code
* @param {Buffer} reason The reason for closing
* @private
*/
function receiverOnConclude(code, reason) {
const websocket = this[kWebSocket];
websocket._closeFrameReceived = true;
websocket._closeMessage = reason;
websocket._closeCode = code;
if (websocket._socket[kWebSocket] === undefined) return;
websocket._socket.removeListener('data', socketOnData);
process.nextTick(resume, websocket._socket);
if (code === 1005) websocket.close();
else websocket.close(code, reason);
}
/**
* The listener of the `Receiver` `'drain'` event.
*
* @private
*/
function receiverOnDrain() {
const websocket = this[kWebSocket];
if (!websocket.isPaused) websocket._socket.resume();
}
/**
* The listener of the `Receiver` `'error'` event.
*
* @param {(RangeError|Error)} err The emitted error
* @private
*/
function receiverOnError(err) {
const websocket = this[kWebSocket];
if (websocket._socket[kWebSocket] !== undefined) {
websocket._socket.removeListener('data', socketOnData);
//
// On Node.js < 14.0.0 the `'error'` event is emitted synchronously. See
// https://github.com/websockets/ws/issues/1940.
//
process.nextTick(resume, websocket._socket);
websocket.close(err[kStatusCode]);
}
websocket.emit('error', err);
}
/**
* The listener of the `Receiver` `'finish'` event.
*
* @private
*/
function receiverOnFinish() {
this[kWebSocket].emitClose();
}
/**
* The listener of the `Receiver` `'message'` event.
*
* @param {Buffer|ArrayBuffer|Buffer[])} data The message
* @param {Boolean} isBinary Specifies whether the message is binary or not
* @private
*/
function receiverOnMessage(data, isBinary) {
this[kWebSocket].emit('message', data, isBinary);
}
/**
* The listener of the `Receiver` `'ping'` event.
*
* @param {Buffer} data The data included in the ping frame
* @private
*/
function receiverOnPing(data) {
const websocket = this[kWebSocket];
websocket.pong(data, !websocket._isServer, NOOP);
websocket.emit('ping', data);
}
/**
* The listener of the `Receiver` `'pong'` event.
*
* @param {Buffer} data The data included in the pong frame
* @private
*/
function receiverOnPong(data) {
this[kWebSocket].emit('pong', data);
}
/**
* Resume a readable stream
*
* @param {Readable} stream The readable stream
* @private
*/
function resume(stream) {
stream.resume();
}
/**
* The listener of the `net.Socket` `'close'` event.
*
* @private
*/
function socketOnClose() {
const websocket = this[kWebSocket];
this.removeListener('close', socketOnClose);
this.removeListener('data', socketOnData);
this.removeListener('end', socketOnEnd);
websocket._readyState = WebSocket.CLOSING;
let chunk;
//
// The close frame might not have been received or the `'end'` event emitted,
// for example, if the socket was destroyed due to an error. Ensure that the
// `receiver` stream is closed after writing any remaining buffered data to
// it. If the readable side of the socket is in flowing mode then there is no
// buffered data as everything has been already written and `readable.read()`
// will return `null`. If instead, the socket is paused, any possible buffered
// data will be read as a single chunk.
//
if (
!this._readableState.endEmitted &&
!websocket._closeFrameReceived &&
!websocket._receiver._writableState.errorEmitted &&
(chunk = websocket._socket.read()) !== null
) {
websocket._receiver.write(chunk);
}
websocket._receiver.end();
this[kWebSocket] = undefined;
clearTimeout(websocket._closeTimer);
if (
websocket._receiver._writableState.finished ||
websocket._receiver._writableState.errorEmitted
) {
websocket.emitClose();
} else {
websocket._receiver.on('error', receiverOnFinish);
websocket._receiver.on('finish', receiverOnFinish);
}
}
/**
* The listener of the `net.Socket` `'data'` event.
*
* @param {Buffer} chunk A chunk of data
* @private
*/
function socketOnData(chunk) {
if (!this[kWebSocket]._receiver.write(chunk)) {
this.pause();
}
}
/**
* The listener of the `net.Socket` `'end'` event.
*
* @private
*/
function socketOnEnd() {
const websocket = this[kWebSocket];
websocket._readyState = WebSocket.CLOSING;
websocket._receiver.end();
this.end();
}
/**
* The listener of the `net.Socket` `'error'` event.
*
* @private
*/
function socketOnError() {
const websocket = this[kWebSocket];
this.removeListener('error', socketOnError);
this.on('error', NOOP);
if (websocket) {
websocket._readyState = WebSocket.CLOSING;
this.destroy();
}
}
/***/ }),
/* 6 */
/***/ ((module) => {
"use strict";
module.exports = require("events");
/***/ }),
/* 7 */
/***/ ((module) => {
"use strict";
module.exports = require("https");
/***/ }),
/* 8 */
/***/ ((module) => {
"use strict";
module.exports = require("net");
/***/ }),
/* 9 */
/***/ ((module) => {
"use strict";
module.exports = require("tls");
/***/ }),
/* 10 */
/***/ ((module) => {
"use strict";
module.exports = require("crypto");
/***/ }),
/* 11 */
/***/ ((module) => {
"use strict";
module.exports = require("stream");
/***/ }),
/* 12 */
/***/ ((module, __unused_webpack_exports, __webpack_require__) => {
"use strict";
const zlib = __webpack_require__(13);
const bufferUtil = __webpack_require__(14);
const Limiter = __webpack_require__(16);
const { kStatusCode } = __webpack_require__(15);
const FastBuffer = Buffer[Symbol.species];
const TRAILER = Buffer.from([0x00, 0x00, 0xff, 0xff]);
const kPerMessageDeflate = Symbol('permessage-deflate');
const kTotalLength = Symbol('total-length');
const kCallback = Symbol('callback');
const kBuffers = Symbol('buffers');
const kError = Symbol('error');
//
// We limit zlib concurrency, which prevents severe memory fragmentation
// as documented in https://github.com/nodejs/node/issues/8871#issuecomment-250915913
// and https://github.com/websockets/ws/issues/1202
//
// Intentionally global; it's the global thread pool that's an issue.
//
let zlibLimiter;
/**
* permessage-deflate implementation.
*/
class PerMessageDeflate {
/**
* Creates a PerMessageDeflate instance.
*
* @param {Object} [options] Configuration options
* @param {(Boolean|Number)} [options.clientMaxWindowBits] Advertise support
* for, or request, a custom client window size
* @param {Boolean} [options.clientNoContextTakeover=false] Advertise/
* acknowledge disabling of client context takeover
* @param {Number} [options.concurrencyLimit=10] The number of concurrent
* calls to zlib
* @param {(Boolean|Number)} [options.serverMaxWindowBits] Request/confirm the
* use of a custom server window size
* @param {Boolean} [options.serverNoContextTakeover=false] Request/accept
* disabling of server context takeover
* @param {Number} [options.threshold=1024] Size (in bytes) below which
* messages should not be compressed if context takeover is disabled
* @param {Object} [options.zlibDeflateOptions] Options to pass to zlib on
* deflate
* @param {Object} [options.zlibInflateOptions] Options to pass to zlib on
* inflate
* @param {Boolean} [isServer=false] Create the instance in either server or
* client mode
* @param {Number} [maxPayload=0] The maximum allowed message length
*/
constructor(options, isServer, maxPayload) {
this._maxPayload = maxPayload | 0;
this._options = options || {};
this._threshold =
this._options.threshold !== undefined ? this._options.threshold : 1024;
this._isServer = !!isServer;
this._deflate = null;
this._inflate = null;
this.params = null;
if (!zlibLimiter) {
const concurrency =
this._options.concurrencyLimit !== undefined
? this._options.concurrencyLimit
: 10;
zlibLimiter = new Limiter(concurrency);
}
}
/**
* @type {String}
*/
static get extensionName() {
return 'permessage-deflate';
}
/**
* Create an extension negotiation offer.
*
* @return {Object} Extension parameters
* @public
*/
offer() {
const params = {};
if (this._options.serverNoContextTakeover) {
params.server_no_context_takeover = true;
}
if (this._options.clientNoContextTakeover) {
params.client_no_context_takeover = true;
}
if (this._options.serverMaxWindowBits) {
params.server_max_window_bits = this._options.serverMaxWindowBits;
}
if (this._options.clientMaxWindowBits) {
params.client_max_window_bits = this._options.clientMaxWindowBits;
} else if (this._options.clientMaxWindowBits == null) {
params.client_max_window_bits = true;
}
return params;
}
/**
* Accept an extension negotiation offer/response.
*
* @param {Array} configurations The extension negotiation offers/reponse
* @return {Object} Accepted configuration
* @public
*/
accept(configurations) {
configurations = this.normalizeParams(configurations);
this.params = this._isServer
? this.acceptAsServer(configurations)
: this.acceptAsClient(configurations);
return this.params;
}
/**
* Releases all resources used by the extension.
*
* @public
*/
cleanup() {
if (this._inflate) {
this._inflate.close();
this._inflate = null;
}
if (this._deflate) {
const callback = this._deflate[kCallback];
this._deflate.close();
this._deflate = null;
if (callback) {
callback(
new Error(
'The deflate stream was closed while data was being processed'
)
);
}
}
}
/**
* Accept an extension negotiation offer.
*
* @param {Array} offers The extension negotiation offers
* @return {Object} Accepted configuration
* @private
*/
acceptAsServer(offers) {
const opts = this._options;
const accepted = offers.find((params) => {
if (
(opts.serverNoContextTakeover === false &&
params.server_no_context_takeover) ||
(params.server_max_window_bits &&
(opts.serverMaxWindowBits === false ||
(typeof opts.serverMaxWindowBits === 'number' &&
opts.serverMaxWindowBits > params.server_max_window_bits))) ||
(typeof opts.clientMaxWindowBits === 'number' &&
!params.client_max_window_bits)
) {
return false;
}
return true;
});
if (!accepted) {
throw new Error('None of the extension offers can be accepted');
}
if (opts.serverNoContextTakeover) {
accepted.server_no_context_takeover = true;
}
if (opts.clientNoContextTakeover) {
accepted.client_no_context_takeover = true;
}
if (typeof opts.serverMaxWindowBits === 'number') {
accepted.server_max_window_bits = opts.serverMaxWindowBits;
}
if (typeof opts.clientMaxWindowBits === 'number') {
accepted.client_max_window_bits = opts.clientMaxWindowBits;
} else if (
accepted.client_max_window_bits === true ||
opts.clientMaxWindowBits === false
) {
delete accepted.client_max_window_bits;
}
return accepted;
}
/**
* Accept the extension negotiation response.
*
* @param {Array} response The extension negotiation response
* @return {Object} Accepted configuration
* @private
*/
acceptAsClient(response) {
const params = response[0];
if (
this._options.clientNoContextTakeover === false &&
params.client_no_context_takeover
) {
throw new Error('Unexpected parameter "client_no_context_takeover"');
}
if (!params.client_max_window_bits) {
if (typeof this._options.clientMaxWindowBits === 'number') {
params.client_max_window_bits = this._options.clientMaxWindowBits;
}
} else if (
this._options.clientMaxWindowBits === false ||
(typeof this._options.clientMaxWindowBits === 'number' &&
params.client_max_window_bits > this._options.clientMaxWindowBits)
) {
throw new Error(
'Unexpected or invalid parameter "client_max_window_bits"'
);
}
return params;
}
/**
* Normalize parameters.
*
* @param {Array} configurations The extension negotiation offers/reponse
* @return {Array} The offers/response with normalized parameters
* @private
*/
normalizeParams(configurations) {
configurations.forEach((params) => {
Object.keys(params).forEach((key) => {
let value = params[key];
if (value.length > 1) {
throw new Error(`Parameter "${key}" must have only a single value`);
}
value = value[0];
if (key === 'client_max_window_bits') {
if (value !== true) {
const num = +value;
if (!Number.isInteger(num) || num < 8 || num > 15) {
throw new TypeError(
`Invalid value for parameter "${key}": ${value}`
);
}
value = num;
} else if (!this._isServer) {
throw new TypeError(
`Invalid value for parameter "${key}": ${value}`
);
}
} else if (key === 'server_max_window_bits') {
const num = +value;
if (!Number.isInteger(num) || num < 8 || num > 15) {
throw new TypeError(
`Invalid value for parameter "${key}": ${value}`
);
}
value = num;
} else if (
key === 'client_no_context_takeover' ||
key === 'server_no_context_takeover'
) {
if (value !== true) {
throw new TypeError(
`Invalid value for parameter "${key}": ${value}`
);
}
} else {
throw new Error(`Unknown parameter "${key}"`);
}
params[key] = value;
});
});
return configurations;
}
/**
* Decompress data. Concurrency limited.
*
* @param {Buffer} data Compressed data
* @param {Boolean} fin Specifies whether or not this is the last fragment
* @param {Function} callback Callback
* @public
*/
decompress(data, fin, callback) {
zlibLimiter.add((done) => {
this._decompress(data, fin, (err, result) => {
done();
callback(err, result);
});
});
}
/**
* Compress data. Concurrency limited.
*
* @param {(Buffer|String)} data Data to compress
* @param {Boolean} fin Specifies whether or not this is the last fragment
* @param {Function} callback Callback
* @public
*/
compress(data, fin, callback) {
zlibLimiter.add((done) => {
this._compress(data, fin, (err, result) => {
done();
callback(err, result);
});
});
}
/**
* Decompress data.
*
* @param {Buffer} data Compressed data
* @param {Boolean} fin Specifies whether or not this is the last fragment
* @param {Function} callback Callback
* @private
*/
_decompress(data, fin, callback) {
const endpoint = this._isServer ? 'client' : 'server';
if (!this._inflate) {
const key = `${endpoint}_max_window_bits`;
const windowBits =
typeof this.params[key] !== 'number'
? zlib.Z_DEFAULT_WINDOWBITS
: this.params[key];
this._inflate = zlib.createInflateRaw({
...this._options.zlibInflateOptions,
windowBits
});
this._inflate[kPerMessageDeflate] = this;
this._inflate[kTotalLength] = 0;
this._inflate[kBuffers] = [];
this._inflate.on('error', inflateOnError);
this._inflate.on('data', inflateOnData);
}
this._inflate[kCallback] = callback;
this._inflate.write(data);
if (fin) this._inflate.write(TRAILER);
this._inflate.flush(() => {
const err = this._inflate[kError];
if (err) {
this._inflate.close();
this._inflate = null;
callback(err);
return;
}
const data = bufferUtil.concat(
this._inflate[kBuffers],
this._inflate[kTotalLength]
);
if (this._inflate._readableState.endEmitted) {
this._inflate.close();
this._inflate = null;
} else {
this._inflate[kTotalLength] = 0;
this._inflate[kBuffers] = [];
if (fin && this.params[`${endpoint}_no_context_takeover`]) {
this._inflate.reset();
}
}
callback(null, data);
});
}
/**
* Compress data.
*
* @param {(Buffer|String)} data Data to compress
* @param {Boolean} fin Specifies whether or not this is the last fragment
* @param {Function} callback Callback
* @private
*/
_compress(data, fin, callback) {
const endpoint = this._isServer ? 'server' : 'client';
if (!this._deflate) {
const key = `${endpoint}_max_window_bits`;
const windowBits =
typeof this.params[key] !== 'number'
? zlib.Z_DEFAULT_WINDOWBITS
: this.params[key];
this._deflate = zlib.createDeflateRaw({
...this._options.zlibDeflateOptions,
windowBits
});
this._deflate[kTotalLength] = 0;
this._deflate[kBuffers] = [];
this._deflate.on('data', deflateOnData);
}
this._deflate[kCallback] = callback;
this._deflate.write(data);
this._deflate.flush(zlib.Z_SYNC_FLUSH, () => {
if (!this._deflate) {
//
// The deflate stream was closed while data was being processed.
//
return;
}
let data = bufferUtil.concat(
this._deflate[kBuffers],
this._deflate[kTotalLength]
);
if (fin) {
data = new FastBuffer(data.buffer, data.byteOffset, data.length - 4);
}
//
// Ensure that the callback will not be called again in
// `PerMessageDeflate#cleanup()`.
//
this._deflate[kCallback] = null;
this._deflate[kTotalLength] = 0;
this._deflate[kBuffers] = [];
if (fin && this.params[`${endpoint}_no_context_takeover`]) {
this._deflate.reset();
}
callback(null, data);
});
}
}
module.exports = PerMessageDeflate;
/**
* The listener of the `zlib.DeflateRaw` stream `'data'` event.
*
* @param {Buffer} chunk A chunk of data
* @private
*/
function deflateOnData(chunk) {
this[kBuffers].push(chunk);
this[kTotalLength] += chunk.length;
}
/**
* The listener of the `zlib.InflateRaw` stream `'data'` event.
*
* @param {Buffer} chunk A chunk of data
* @private
*/
function inflateOnData(chunk) {
this[kTotalLength] += chunk.length;
if (
this[kPerMessageDeflate]._maxPayload < 1 ||
this[kTotalLength] <= this[kPerMessageDeflate]._maxPayload
) {
this[kBuffers].push(chunk);
return;
}
this[kError] = new RangeError('Max payload size exceeded');
this[kError].code = 'WS_ERR_UNSUPPORTED_MESSAGE_LENGTH';
this[kError][kStatusCode] = 1009;
this.removeListener('data', inflateOnData);
this.reset();
}
/**
* The listener of the `zlib.InflateRaw` stream `'error'` event.
*
* @param {Error} err The emitted error
* @private
*/
function inflateOnError(err) {
//
// There is no need to call `Zlib#close()` as the handle is automatically
// closed when an error is emitted.
//
this[kPerMessageDeflate]._inflate = null;
err[kStatusCode] = 1007;
this[kCallback](err);
}
/***/ }),
/* 13 */
/***/ ((module) => {
"use strict";
module.exports = require("zlib");
/***/ }),
/* 14 */
/***/ ((module, __unused_webpack_exports, __webpack_require__) => {
"use strict";
const { EMPTY_BUFFER } = __webpack_require__(15);
const FastBuffer = Buffer[Symbol.species];
/**
* Merges an array of buffers into a new buffer.
*
* @param {Buffer[]} list The array of buffers to concat
* @param {Number} totalLength The total length of buffers in the list
* @return {Buffer} The resulting buffer
* @public
*/
function concat(list, totalLength) {
if (list.length === 0) return EMPTY_BUFFER;
if (list.length === 1) return list[0];
const target = Buffer.allocUnsafe(totalLength);
let offset = 0;
for (let i = 0; i < list.length; i++) {
const buf = list[i];
target.set(buf, offset);
offset += buf.length;
}
if (offset < totalLength) {
return new FastBuffer(target.buffer, target.byteOffset, offset);
}
return target;
}
/**
* Masks a buffer using the given mask.
*
* @param {Buffer} source The buffer to mask
* @param {Buffer} mask The mask to use
* @param {Buffer} output The buffer where to store the result
* @param {Number} offset The offset at which to start writing
* @param {Number} length The number of bytes to mask.
* @public
*/
function _mask(source, mask, output, offset, length) {
for (let i = 0; i < length; i++) {
output[offset + i] = source[i] ^ mask[i & 3];
}
}
/**
* Unmasks a buffer using the given mask.
*
* @param {Buffer} buffer The buffer to unmask
* @param {Buffer} mask The mask to use
* @public
*/
function _unmask(buffer, mask) {
for (let i = 0; i < buffer.length; i++) {
buffer[i] ^= mask[i & 3];
}
}
/**
* Converts a buffer to an `ArrayBuffer`.
*
* @param {Buffer} buf The buffer to convert
* @return {ArrayBuffer} Converted buffer
* @public
*/
function toArrayBuffer(buf) {
if (buf.length === buf.buffer.byteLength) {
return buf.buffer;
}
return buf.buffer.slice(buf.byteOffset, buf.byteOffset + buf.length);
}
/**
* Converts `data` to a `Buffer`.
*
* @param {*} data The data to convert
* @return {Buffer} The buffer
* @throws {TypeError}
* @public
*/
function toBuffer(data) {
toBuffer.readOnly = true;
if (Buffer.isBuffer(data)) return data;
let buf;
if (data instanceof ArrayBuffer) {
buf = new FastBuffer(data);
} else if (ArrayBuffer.isView(data)) {
buf = new FastBuffer(data.buffer, data.byteOffset, data.byteLength);
} else {
buf = Buffer.from(data);
toBuffer.readOnly = false;
}
return buf;
}
module.exports = {
concat,
mask: _mask,
toArrayBuffer,
toBuffer,
unmask: _unmask
};
/* istanbul ignore else */
if (!process.env.WS_NO_BUFFER_UTIL) {
try {
const bufferUtil = __webpack_require__(Object(function webpackMissingModule() { var e = new Error("Cannot find module 'bufferutil'"); e.code = 'MODULE_NOT_FOUND'; throw e; }()));
module.exports.mask = function (source, mask, output, offset, length) {
if (length < 48) _mask(source, mask, output, offset, length);
else bufferUtil.mask(source, mask, output, offset, length);
};
module.exports.unmask = function (buffer, mask) {
if (buffer.length < 32) _unmask(buffer, mask);
else bufferUtil.unmask(buffer, mask);
};
} catch (e) {
// Continue regardless of the error.
}
}
/***/ }),
/* 15 */
/***/ ((module) => {
"use strict";
module.exports = {
BINARY_TYPES: ['nodebuffer', 'arraybuffer', 'fragments'],
EMPTY_BUFFER: Buffer.alloc(0),
GUID: '258EAFA5-E914-47DA-95CA-C5AB0DC85B11',
kForOnEventAttribute: Symbol('kIsForOnEventAttribute'),
kListener: Symbol('kListener'),
kStatusCode: Symbol('status-code'),
kWebSocket: Symbol('websocket'),
NOOP: () => {}
};
/***/ }),
/* 16 */
/***/ ((module) => {
"use strict";
const kDone = Symbol('kDone');
const kRun = Symbol('kRun');
/**
* A very simple job queue with adjustable concurrency. Adapted from
* https://github.com/STRML/async-limiter
*/
class Limiter {
/**
* Creates a new `Limiter`.
*
* @param {Number} [concurrency=Infinity] The maximum number of jobs allowed
* to run concurrently
*/
constructor(concurrency) {
this[kDone] = () => {
this.pending--;
this[kRun]();
};
this.concurrency = concurrency || Infinity;
this.jobs = [];
this.pending = 0;
}
/**
* Adds a job to the queue.
*
* @param {Function} job The job to run
* @public
*/
add(job) {
this.jobs.push(job);
this[kRun]();
}
/**
* Removes a job from the queue and runs it if possible.
*
* @private
*/
[kRun]() {
if (this.pending === this.concurrency) return;
if (this.jobs.length) {
const job = this.jobs.shift();
this.pending++;
job(this[kDone]);
}
}
}
module.exports = Limiter;
/***/ }),
/* 17 */
/***/ ((module, __unused_webpack_exports, __webpack_require__) => {
"use strict";
const { Writable } = __webpack_require__(11);
const PerMessageDeflate = __webpack_require__(12);
const {
BINARY_TYPES,
EMPTY_BUFFER,
kStatusCode,
kWebSocket
} = __webpack_require__(15);
const { concat, toArrayBuffer, unmask } = __webpack_require__(14);
const { isValidStatusCode, isValidUTF8 } = __webpack_require__(18);
const FastBuffer = Buffer[Symbol.species];
const GET_INFO = 0;
const GET_PAYLOAD_LENGTH_16 = 1;
const GET_PAYLOAD_LENGTH_64 = 2;
const GET_MASK = 3;
const GET_DATA = 4;
const INFLATING = 5;
/**
* HyBi Receiver implementation.
*
* @extends Writable
*/
class Receiver extends Writable {
/**
* Creates a Receiver instance.
*
* @param {Object} [options] Options object
* @param {String} [options.binaryType=nodebuffer] The type for binary data
* @param {Object} [options.extensions] An object containing the negotiated
* extensions
* @param {Boolean} [options.isServer=false] Specifies whether to operate in
* client or server mode
* @param {Number} [options.maxPayload=0] The maximum allowed message length
* @param {Boolean} [options.skipUTF8Validation=false] Specifies whether or
* not to skip UTF-8 validation for text and close messages
*/
constructor(options = {}) {
super();
this._binaryType = options.binaryType || BINARY_TYPES[0];
this._extensions = options.extensions || {};
this._isServer = !!options.isServer;
this._maxPayload = options.maxPayload | 0;
this._skipUTF8Validation = !!options.skipUTF8Validation;
this[kWebSocket] = undefined;
this._bufferedBytes = 0;
this._buffers = [];
this._compressed = false;
this._payloadLength = 0;
this._mask = undefined;
this._fragmented = 0;
this._masked = false;
this._fin = false;
this._opcode = 0;
this._totalPayloadLength = 0;
this._messageLength = 0;
this._fragments = [];
this._state = GET_INFO;
this._loop = false;
}
/**
* Implements `Writable.prototype._write()`.
*
* @param {Buffer} chunk The chunk of data to write
* @param {String} encoding The character encoding of `chunk`
* @param {Function} cb Callback
* @private
*/
_write(chunk, encoding, cb) {
if (this._opcode === 0x08 && this._state == GET_INFO) return cb();
this._bufferedBytes += chunk.length;
this._buffers.push(chunk);
this.startLoop(cb);
}
/**
* Consumes `n` bytes from the buffered data.
*
* @param {Number} n The number of bytes to consume
* @return {Buffer} The consumed bytes
* @private
*/
consume(n) {
this._bufferedBytes -= n;
if (n === this._buffers[0].length) return this._buffers.shift();
if (n < this._buffers[0].length) {
const buf = this._buffers[0];
this._buffers[0] = new FastBuffer(
buf.buffer,
buf.byteOffset + n,
buf.length - n
);
return new FastBuffer(buf.buffer, buf.byteOffset, n);
}
const dst = Buffer.allocUnsafe(n);
do {
const buf = this._buffers[0];
const offset = dst.length - n;
if (n >= buf.length) {
dst.set(this._buffers.shift(), offset);
} else {
dst.set(new Uint8Array(buf.buffer, buf.byteOffset, n), offset);
this._buffers[0] = new FastBuffer(
buf.buffer,
buf.byteOffset + n,
buf.length - n
);
}
n -= buf.length;
} while (n > 0);
return dst;
}
/**
* Starts the parsing loop.
*
* @param {Function} cb Callback
* @private
*/
startLoop(cb) {
let err;
this._loop = true;
do {
switch (this._state) {
case GET_INFO:
err = this.getInfo();
break;
case GET_PAYLOAD_LENGTH_16:
err = this.getPayloadLength16();
break;
case GET_PAYLOAD_LENGTH_64:
err = this.getPayloadLength64();
break;
case GET_MASK:
this.getMask();
break;
case GET_DATA:
err = this.getData(cb);
break;
default:
// `INFLATING`
this._loop = false;
return;
}
} while (this._loop);
cb(err);
}
/**
* Reads the first two bytes of a frame.
*
* @return {(RangeError|undefined)} A possible error
* @private
*/
getInfo() {
if (this._bufferedBytes < 2) {
this._loop = false;
return;
}
const buf = this.consume(2);
if ((buf[0] & 0x30) !== 0x00) {
this._loop = false;
return error(
RangeError,
'RSV2 and RSV3 must be clear',
true,
1002,
'WS_ERR_UNEXPECTED_RSV_2_3'
);
}
const compressed = (buf[0] & 0x40) === 0x40;
if (compressed && !this._extensions[PerMessageDeflate.extensionName]) {
this._loop = false;
return error(
RangeError,
'RSV1 must be clear',
true,
1002,
'WS_ERR_UNEXPECTED_RSV_1'
);
}
this._fin = (buf[0] & 0x80) === 0x80;
this._opcode = buf[0] & 0x0f;
this._payloadLength = buf[1] & 0x7f;
if (this._opcode === 0x00) {
if (compressed) {
this._loop = false;
return error(
RangeError,
'RSV1 must be clear',
true,
1002,
'WS_ERR_UNEXPECTED_RSV_1'
);
}
if (!this._fragmented) {
this._loop = false;
return error(
RangeError,
'invalid opcode 0',
true,
1002,
'WS_ERR_INVALID_OPCODE'
);
}
this._opcode = this._fragmented;
} else if (this._opcode === 0x01 || this._opcode === 0x02) {
if (this._fragmented) {
this._loop = false;
return error(
RangeError,
`invalid opcode ${this._opcode}`,
true,
1002,
'WS_ERR_INVALID_OPCODE'
);
}
this._compressed = compressed;
} else if (this._opcode > 0x07 && this._opcode < 0x0b) {
if (!this._fin) {
this._loop = false;
return error(
RangeError,
'FIN must be set',
true,
1002,
'WS_ERR_EXPECTED_FIN'
);
}
if (compressed) {
this._loop = false;
return error(
RangeError,
'RSV1 must be clear',
true,
1002,
'WS_ERR_UNEXPECTED_RSV_1'
);
}
if (
this._payloadLength > 0x7d ||
(this._opcode === 0x08 && this._payloadLength === 1)
) {
this._loop = false;
return error(
RangeError,
`invalid payload length ${this._payloadLength}`,
true,
1002,
'WS_ERR_INVALID_CONTROL_PAYLOAD_LENGTH'
);
}
} else {
this._loop = false;
return error(
RangeError,
`invalid opcode ${this._opcode}`,
true,
1002,
'WS_ERR_INVALID_OPCODE'
);
}
if (!this._fin && !this._fragmented) this._fragmented = this._opcode;
this._masked = (buf[1] & 0x80) === 0x80;
if (this._isServer) {
if (!this._masked) {
this._loop = false;
return error(
RangeError,
'MASK must be set',
true,
1002,
'WS_ERR_EXPECTED_MASK'
);
}
} else if (this._masked) {
this._loop = false;
return error(
RangeError,
'MASK must be clear',
true,
1002,
'WS_ERR_UNEXPECTED_MASK'
);
}
if (this._payloadLength === 126) this._state = GET_PAYLOAD_LENGTH_16;
else if (this._payloadLength === 127) this._state = GET_PAYLOAD_LENGTH_64;
else return this.haveLength();
}
/**
* Gets extended payload length (7+16).
*
* @return {(RangeError|undefined)} A possible error
* @private
*/
getPayloadLength16() {
if (this._bufferedBytes < 2) {
this._loop = false;
return;
}
this._payloadLength = this.consume(2).readUInt16BE(0);
return this.haveLength();
}
/**
* Gets extended payload length (7+64).
*
* @return {(RangeError|undefined)} A possible error
* @private
*/
getPayloadLength64() {
if (this._bufferedBytes < 8) {
this._loop = false;
return;
}
const buf = this.consume(8);
const num = buf.readUInt32BE(0);
//
// The maximum safe integer in JavaScript is 2^53 - 1. An error is returned
// if payload length is greater than this number.
//
if (num > Math.pow(2, 53 - 32) - 1) {
this._loop = false;
return error(
RangeError,
'Unsupported WebSocket frame: payload length > 2^53 - 1',
false,
1009,
'WS_ERR_UNSUPPORTED_DATA_PAYLOAD_LENGTH'
);
}
this._payloadLength = num * Math.pow(2, 32) + buf.readUInt32BE(4);
return this.haveLength();
}
/**
* Payload length has been read.
*
* @return {(RangeError|undefined)} A possible error
* @private
*/
haveLength() {
if (this._payloadLength && this._opcode < 0x08) {
this._totalPayloadLength += this._payloadLength;
if (this._totalPayloadLength > this._maxPayload && this._maxPayload > 0) {
this._loop = false;
return error(
RangeError,
'Max payload size exceeded',
false,
1009,
'WS_ERR_UNSUPPORTED_MESSAGE_LENGTH'
);
}
}
if (this._masked) this._state = GET_MASK;
else this._state = GET_DATA;
}
/**
* Reads mask bytes.
*
* @private
*/
getMask() {
if (this._bufferedBytes < 4) {
this._loop = false;
return;
}
this._mask = this.consume(4);
this._state = GET_DATA;
}
/**
* Reads data bytes.
*
* @param {Function} cb Callback
* @return {(Error|RangeError|undefined)} A possible error
* @private
*/
getData(cb) {
let data = EMPTY_BUFFER;
if (this._payloadLength) {
if (this._bufferedBytes < this._payloadLength) {
this._loop = false;
return;
}
data = this.consume(this._payloadLength);
if (
this._masked &&
(this._mask[0] | this._mask[1] | this._mask[2] | this._mask[3]) !== 0
) {
unmask(data, this._mask);
}
}
if (this._opcode > 0x07) return this.controlMessage(data);
if (this._compressed) {
this._state = INFLATING;
this.decompress(data, cb);
return;
}
if (data.length) {
//
// This message is not compressed so its length is the sum of the payload
// length of all fragments.
//
this._messageLength = this._totalPayloadLength;
this._fragments.push(data);
}
return this.dataMessage();
}
/**
* Decompresses data.
*
* @param {Buffer} data Compressed data
* @param {Function} cb Callback
* @private
*/
decompress(data, cb) {
const perMessageDeflate = this._extensions[PerMessageDeflate.extensionName];
perMessageDeflate.decompress(data, this._fin, (err, buf) => {
if (err) return cb(err);
if (buf.length) {
this._messageLength += buf.length;
if (this._messageLength > this._maxPayload && this._maxPayload > 0) {
return cb(
error(
RangeError,
'Max payload size exceeded',
false,
1009,
'WS_ERR_UNSUPPORTED_MESSAGE_LENGTH'
)
);
}
this._fragments.push(buf);
}
const er = this.dataMessage();
if (er) return cb(er);
this.startLoop(cb);
});
}
/**
* Handles a data message.
*
* @return {(Error|undefined)} A possible error
* @private
*/
dataMessage() {
if (this._fin) {
const messageLength = this._messageLength;
const fragments = this._fragments;
this._totalPayloadLength = 0;
this._messageLength = 0;
this._fragmented = 0;
this._fragments = [];
if (this._opcode === 2) {
let data;
if (this._binaryType === 'nodebuffer') {
data = concat(fragments, messageLength);
} else if (this._binaryType === 'arraybuffer') {
data = toArrayBuffer(concat(fragments, messageLength));
} else {
data = fragments;
}
this.emit('message', data, true);
} else {
const buf = concat(fragments, messageLength);
if (!this._skipUTF8Validation && !isValidUTF8(buf)) {
this._loop = false;
return error(
Error,
'invalid UTF-8 sequence',
true,
1007,
'WS_ERR_INVALID_UTF8'
);
}
this.emit('message', buf, false);
}
}
this._state = GET_INFO;
}
/**
* Handles a control message.
*
* @param {Buffer} data Data to handle
* @return {(Error|RangeError|undefined)} A possible error
* @private
*/
controlMessage(data) {
if (this._opcode === 0x08) {
this._loop = false;
if (data.length === 0) {
this.emit('conclude', 1005, EMPTY_BUFFER);
this.end();
} else {
const code = data.readUInt16BE(0);
if (!isValidStatusCode(code)) {
return error(
RangeError,
`invalid status code ${code}`,
true,
1002,
'WS_ERR_INVALID_CLOSE_CODE'
);
}
const buf = new FastBuffer(
data.buffer,
data.byteOffset + 2,
data.length - 2
);
if (!this._skipUTF8Validation && !isValidUTF8(buf)) {
return error(
Error,
'invalid UTF-8 sequence',
true,
1007,
'WS_ERR_INVALID_UTF8'
);
}
this.emit('conclude', code, buf);
this.end();
}
} else if (this._opcode === 0x09) {
this.emit('ping', data);
} else {
this.emit('pong', data);
}
this._state = GET_INFO;
}
}
module.exports = Receiver;
/**
* Builds an error object.
*
* @param {function(new:Error|RangeError)} ErrorCtor The error constructor
* @param {String} message The error message
* @param {Boolean} prefix Specifies whether or not to add a default prefix to
* `message`
* @param {Number} statusCode The status code
* @param {String} errorCode The exposed error code
* @return {(Error|RangeError)} The error
* @private
*/
function error(ErrorCtor, message, prefix, statusCode, errorCode) {
const err = new ErrorCtor(
prefix ? `Invalid WebSocket frame: ${message}` : message
);
Error.captureStackTrace(err, error);
err.code = errorCode;
err[kStatusCode] = statusCode;
return err;
}
/***/ }),
/* 18 */
/***/ ((module, __unused_webpack_exports, __webpack_require__) => {
"use strict";
const { isUtf8 } = __webpack_require__(19);
//
// Allowed token characters:
//
// '!', '#', '$', '%', '&', ''', '*', '+', '-',
// '.', 0-9, A-Z, '^', '_', '`', a-z, '|', '~'
//
// tokenChars[32] === 0 // ' '
// tokenChars[33] === 1 // '!'
// tokenChars[34] === 0 // '"'
// ...
//
// prettier-ignore
const tokenChars = [
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, // 0 - 15
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, // 16 - 31
0, 1, 0, 1, 1, 1, 1, 1, 0, 0, 1, 1, 0, 1, 1, 0, // 32 - 47
1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 0, 0, 0, 0, 0, // 48 - 63
0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, // 64 - 79
1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 0, 0, 1, 1, // 80 - 95
1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, // 96 - 111
1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 1, 0, 1, 0 // 112 - 127
];
/**
* Checks if a status code is allowed in a close frame.
*
* @param {Number} code The status code
* @return {Boolean} `true` if the status code is valid, else `false`
* @public
*/
function isValidStatusCode(code) {
return (
(code >= 1000 &&
code <= 1014 &&
code !== 1004 &&
code !== 1005 &&
code !== 1006) ||
(code >= 3000 && code <= 4999)
);
}
/**
* Checks if a given buffer contains only correct UTF-8.
* Ported from https://www.cl.cam.ac.uk/%7Emgk25/ucs/utf8_check.c by
* Markus Kuhn.
*
* @param {Buffer} buf The buffer to check
* @return {Boolean} `true` if `buf` contains only correct UTF-8, else `false`
* @public
*/
function _isValidUTF8(buf) {
const len = buf.length;
let i = 0;
while (i < len) {
if ((buf[i] & 0x80) === 0) {
// 0xxxxxxx
i++;
} else if ((buf[i] & 0xe0) === 0xc0) {
// 110xxxxx 10xxxxxx
if (
i + 1 === len ||
(buf[i + 1] & 0xc0) !== 0x80 ||
(buf[i] & 0xfe) === 0xc0 // Overlong
) {
return false;
}
i += 2;
} else if ((buf[i] & 0xf0) === 0xe0) {
// 1110xxxx 10xxxxxx 10xxxxxx
if (
i + 2 >= len ||
(buf[i + 1] & 0xc0) !== 0x80 ||
(buf[i + 2] & 0xc0) !== 0x80 ||
(buf[i] === 0xe0 && (buf[i + 1] & 0xe0) === 0x80) || // Overlong
(buf[i] === 0xed && (buf[i + 1] & 0xe0) === 0xa0) // Surrogate (U+D800 - U+DFFF)
) {
return false;
}
i += 3;
} else if ((buf[i] & 0xf8) === 0xf0) {
// 11110xxx 10xxxxxx 10xxxxxx 10xxxxxx
if (
i + 3 >= len ||
(buf[i + 1] & 0xc0) !== 0x80 ||
(buf[i + 2] & 0xc0) !== 0x80 ||
(buf[i + 3] & 0xc0) !== 0x80 ||
(buf[i] === 0xf0 && (buf[i + 1] & 0xf0) === 0x80) || // Overlong
(buf[i] === 0xf4 && buf[i + 1] > 0x8f) ||
buf[i] > 0xf4 // > U+10FFFF
) {
return false;
}
i += 4;
} else {
return false;
}
}
return true;
}
module.exports = {
isValidStatusCode,
isValidUTF8: _isValidUTF8,
tokenChars
};
if (isUtf8) {
module.exports.isValidUTF8 = function (buf) {
return buf.length < 24 ? _isValidUTF8(buf) : isUtf8(buf);
};
} /* istanbul ignore else */ else if (!process.env.WS_NO_UTF_8_VALIDATE) {
try {
const isValidUTF8 = __webpack_require__(Object(function webpackMissingModule() { var e = new Error("Cannot find module 'utf-8-validate'"); e.code = 'MODULE_NOT_FOUND'; throw e; }()));
module.exports.isValidUTF8 = function (buf) {
return buf.length < 32 ? _isValidUTF8(buf) : isValidUTF8(buf);
};
} catch (e) {
// Continue regardless of the error.
}
}
/***/ }),
/* 19 */
/***/ ((module) => {
"use strict";
module.exports = require("buffer");
/***/ }),
/* 20 */
/***/ ((module, __unused_webpack_exports, __webpack_require__) => {
"use strict";
/* eslint no-unused-vars: ["error", { "varsIgnorePattern": "^net|tls$" }] */
const net = __webpack_require__(8);
const tls = __webpack_require__(9);
const { randomFillSync } = __webpack_require__(10);
const PerMessageDeflate = __webpack_require__(12);
const { EMPTY_BUFFER } = __webpack_require__(15);
const { isValidStatusCode } = __webpack_require__(18);
const { mask: applyMask, toBuffer } = __webpack_require__(14);
const kByteLength = Symbol('kByteLength');
const maskBuffer = Buffer.alloc(4);
/**
* HyBi Sender implementation.
*/
class Sender {
/**
* Creates a Sender instance.
*
* @param {(net.Socket|tls.Socket)} socket The connection socket
* @param {Object} [extensions] An object containing the negotiated extensions
* @param {Function} [generateMask] The function used to generate the masking
* key
*/
constructor(socket, extensions, generateMask) {
this._extensions = extensions || {};
if (generateMask) {
this._generateMask = generateMask;
this._maskBuffer = Buffer.alloc(4);
}
this._socket = socket;
this._firstFragment = true;
this._compress = false;
this._bufferedBytes = 0;
this._deflating = false;
this._queue = [];
}
/**
* Frames a piece of data according to the HyBi WebSocket protocol.
*
* @param {(Buffer|String)} data The data to frame
* @param {Object} options Options object
* @param {Boolean} [options.fin=false] Specifies whether or not to set the
* FIN bit
* @param {Function} [options.generateMask] The function used to generate the
* masking key
* @param {Boolean} [options.mask=false] Specifies whether or not to mask
* `data`
* @param {Buffer} [options.maskBuffer] The buffer used to store the masking
* key
* @param {Number} options.opcode The opcode
* @param {Boolean} [options.readOnly=false] Specifies whether `data` can be
* modified
* @param {Boolean} [options.rsv1=false] Specifies whether or not to set the
* RSV1 bit
* @return {(Buffer|String)[]} The framed data
* @public
*/
static frame(data, options) {
let mask;
let merge = false;
let offset = 2;
let skipMasking = false;
if (options.mask) {
mask = options.maskBuffer || maskBuffer;
if (options.generateMask) {
options.generateMask(mask);
} else {
randomFillSync(mask, 0, 4);
}
skipMasking = (mask[0] | mask[1] | mask[2] | mask[3]) === 0;
offset = 6;
}
let dataLength;
if (typeof data === 'string') {
if (
(!options.mask || skipMasking) &&
options[kByteLength] !== undefined
) {
dataLength = options[kByteLength];
} else {
data = Buffer.from(data);
dataLength = data.length;
}
} else {
dataLength = data.length;
merge = options.mask && options.readOnly && !skipMasking;
}
let payloadLength = dataLength;
if (dataLength >= 65536) {
offset += 8;
payloadLength = 127;
} else if (dataLength > 125) {
offset += 2;
payloadLength = 126;
}
const target = Buffer.allocUnsafe(merge ? dataLength + offset : offset);
target[0] = options.fin ? options.opcode | 0x80 : options.opcode;
if (options.rsv1) target[0] |= 0x40;
target[1] = payloadLength;
if (payloadLength === 126) {
target.writeUInt16BE(dataLength, 2);
} else if (payloadLength === 127) {
target[2] = target[3] = 0;
target.writeUIntBE(dataLength, 4, 6);
}
if (!options.mask) return [target, data];
target[1] |= 0x80;
target[offset - 4] = mask[0];
target[offset - 3] = mask[1];
target[offset - 2] = mask[2];
target[offset - 1] = mask[3];
if (skipMasking) return [target, data];
if (merge) {
applyMask(data, mask, target, offset, dataLength);
return [target];
}
applyMask(data, mask, data, 0, dataLength);
return [target, data];
}
/**
* Sends a close message to the other peer.
*
* @param {Number} [code] The status code component of the body
* @param {(String|Buffer)} [data] The message component of the body
* @param {Boolean} [mask=false] Specifies whether or not to mask the message
* @param {Function} [cb] Callback
* @public
*/
close(code, data, mask, cb) {
let buf;
if (code === undefined) {
buf = EMPTY_BUFFER;
} else if (typeof code !== 'number' || !isValidStatusCode(code)) {
throw new TypeError('First argument must be a valid error code number');
} else if (data === undefined || !data.length) {
buf = Buffer.allocUnsafe(2);
buf.writeUInt16BE(code, 0);
} else {
const length = Buffer.byteLength(data);
if (length > 123) {
throw new RangeError('The message must not be greater than 123 bytes');
}
buf = Buffer.allocUnsafe(2 + length);
buf.writeUInt16BE(code, 0);
if (typeof data === 'string') {
buf.write(data, 2);
} else {
buf.set(data, 2);
}
}
const options = {
[kByteLength]: buf.length,
fin: true,
generateMask: this._generateMask,
mask,
maskBuffer: this._maskBuffer,
opcode: 0x08,
readOnly: false,
rsv1: false
};
if (this._deflating) {
this.enqueue([this.dispatch, buf, false, options, cb]);
} else {
this.sendFrame(Sender.frame(buf, options), cb);
}
}
/**
* Sends a ping message to the other peer.
*
* @param {*} data The message to send
* @param {Boolean} [mask=false] Specifies whether or not to mask `data`
* @param {Function} [cb] Callback
* @public
*/
ping(data, mask, cb) {
let byteLength;
let readOnly;
if (typeof data === 'string') {
byteLength = Buffer.byteLength(data);
readOnly = false;
} else {
data = toBuffer(data);
byteLength = data.length;
readOnly = toBuffer.readOnly;
}
if (byteLength > 125) {
throw new RangeError('The data size must not be greater than 125 bytes');
}
const options = {
[kByteLength]: byteLength,
fin: true,
generateMask: this._generateMask,
mask,
maskBuffer: this._maskBuffer,
opcode: 0x09,
readOnly,
rsv1: false
};
if (this._deflating) {
this.enqueue([this.dispatch, data, false, options, cb]);
} else {
this.sendFrame(Sender.frame(data, options), cb);
}
}
/**
* Sends a pong message to the other peer.
*
* @param {*} data The message to send
* @param {Boolean} [mask=false] Specifies whether or not to mask `data`
* @param {Function} [cb] Callback
* @public
*/
pong(data, mask, cb) {
let byteLength;
let readOnly;
if (typeof data === 'string') {
byteLength = Buffer.byteLength(data);
readOnly = false;
} else {
data = toBuffer(data);
byteLength = data.length;
readOnly = toBuffer.readOnly;
}
if (byteLength > 125) {
throw new RangeError('The data size must not be greater than 125 bytes');
}
const options = {
[kByteLength]: byteLength,
fin: true,
generateMask: this._generateMask,
mask,
maskBuffer: this._maskBuffer,
opcode: 0x0a,
readOnly,
rsv1: false
};
if (this._deflating) {
this.enqueue([this.dispatch, data, false, options, cb]);
} else {
this.sendFrame(Sender.frame(data, options), cb);
}
}
/**
* Sends a data message to the other peer.
*
* @param {*} data The message to send
* @param {Object} options Options object
* @param {Boolean} [options.binary=false] Specifies whether `data` is binary
* or text
* @param {Boolean} [options.compress=false] Specifies whether or not to
* compress `data`
* @param {Boolean} [options.fin=false] Specifies whether the fragment is the
* last one
* @param {Boolean} [options.mask=false] Specifies whether or not to mask
* `data`
* @param {Function} [cb] Callback
* @public
*/
send(data, options, cb) {
const perMessageDeflate = this._extensions[PerMessageDeflate.extensionName];
let opcode = options.binary ? 2 : 1;
let rsv1 = options.compress;
let byteLength;
let readOnly;
if (typeof data === 'string') {
byteLength = Buffer.byteLength(data);
readOnly = false;
} else {
data = toBuffer(data);
byteLength = data.length;
readOnly = toBuffer.readOnly;
}
if (this._firstFragment) {
this._firstFragment = false;
if (
rsv1 &&
perMessageDeflate &&
perMessageDeflate.params[
perMessageDeflate._isServer
? 'server_no_context_takeover'
: 'client_no_context_takeover'
]
) {
rsv1 = byteLength >= perMessageDeflate._threshold;
}
this._compress = rsv1;
} else {
rsv1 = false;
opcode = 0;
}
if (options.fin) this._firstFragment = true;
if (perMessageDeflate) {
const opts = {
[kByteLength]: byteLength,
fin: options.fin,
generateMask: this._generateMask,
mask: options.mask,
maskBuffer: this._maskBuffer,
opcode,
readOnly,
rsv1
};
if (this._deflating) {
this.enqueue([this.dispatch, data, this._compress, opts, cb]);
} else {
this.dispatch(data, this._compress, opts, cb);
}
} else {
this.sendFrame(
Sender.frame(data, {
[kByteLength]: byteLength,
fin: options.fin,
generateMask: this._generateMask,
mask: options.mask,
maskBuffer: this._maskBuffer,
opcode,
readOnly,
rsv1: false
}),
cb
);
}
}
/**
* Dispatches a message.
*
* @param {(Buffer|String)} data The message to send
* @param {Boolean} [compress=false] Specifies whether or not to compress
* `data`
* @param {Object} options Options object
* @param {Boolean} [options.fin=false] Specifies whether or not to set the
* FIN bit
* @param {Function} [options.generateMask] The function used to generate the
* masking key
* @param {Boolean} [options.mask=false] Specifies whether or not to mask
* `data`
* @param {Buffer} [options.maskBuffer] The buffer used to store the masking
* key
* @param {Number} options.opcode The opcode
* @param {Boolean} [options.readOnly=false] Specifies whether `data` can be
* modified
* @param {Boolean} [options.rsv1=false] Specifies whether or not to set the
* RSV1 bit
* @param {Function} [cb] Callback
* @private
*/
dispatch(data, compress, options, cb) {
if (!compress) {
this.sendFrame(Sender.frame(data, options), cb);
return;
}
const perMessageDeflate = this._extensions[PerMessageDeflate.extensionName];
this._bufferedBytes += options[kByteLength];
this._deflating = true;
perMessageDeflate.compress(data, options.fin, (_, buf) => {
if (this._socket.destroyed) {
const err = new Error(
'The socket was closed while data was being compressed'
);
if (typeof cb === 'function') cb(err);
for (let i = 0; i < this._queue.length; i++) {
const params = this._queue[i];
const callback = params[params.length - 1];
if (typeof callback === 'function') callback(err);
}
return;
}
this._bufferedBytes -= options[kByteLength];
this._deflating = false;
options.readOnly = false;
this.sendFrame(Sender.frame(buf, options), cb);
this.dequeue();
});
}
/**
* Executes queued send operations.
*
* @private
*/
dequeue() {
while (!this._deflating && this._queue.length) {
const params = this._queue.shift();
this._bufferedBytes -= params[3][kByteLength];
Reflect.apply(params[0], this, params.slice(1));
}
}
/**
* Enqueues a send operation.
*
* @param {Array} params Send operation parameters.
* @private
*/
enqueue(params) {
this._bufferedBytes += params[3][kByteLength];
this._queue.push(params);
}
/**
* Sends a frame.
*
* @param {Buffer[]} list The frame to send
* @param {Function} [cb] Callback
* @private
*/
sendFrame(list, cb) {
if (list.length === 2) {
this._socket.cork();
this._socket.write(list[0]);
this._socket.write(list[1], cb);
this._socket.uncork();
} else {
this._socket.write(list[0], cb);
}
}
}
module.exports = Sender;
/***/ }),
/* 21 */
/***/ ((module, __unused_webpack_exports, __webpack_require__) => {
"use strict";
const { kForOnEventAttribute, kListener } = __webpack_require__(15);
const kCode = Symbol('kCode');
const kData = Symbol('kData');
const kError = Symbol('kError');
const kMessage = Symbol('kMessage');
const kReason = Symbol('kReason');
const kTarget = Symbol('kTarget');
const kType = Symbol('kType');
const kWasClean = Symbol('kWasClean');
/**
* Class representing an event.
*/
class Event {
/**
* Create a new `Event`.
*
* @param {String} type The name of the event
* @throws {TypeError} If the `type` argument is not specified
*/
constructor(type) {
this[kTarget] = null;
this[kType] = type;
}
/**
* @type {*}
*/
get target() {
return this[kTarget];
}
/**
* @type {String}
*/
get type() {
return this[kType];
}
}
Object.defineProperty(Event.prototype, 'target', { enumerable: true });
Object.defineProperty(Event.prototype, 'type', { enumerable: true });
/**
* Class representing a close event.
*
* @extends Event
*/
class CloseEvent extends Event {
/**
* Create a new `CloseEvent`.
*
* @param {String} type The name of the event
* @param {Object} [options] A dictionary object that allows for setting
* attributes via object members of the same name
* @param {Number} [options.code=0] The status code explaining why the
* connection was closed
* @param {String} [options.reason=''] A human-readable string explaining why
* the connection was closed
* @param {Boolean} [options.wasClean=false] Indicates whether or not the
* connection was cleanly closed
*/
constructor(type, options = {}) {
super(type);
this[kCode] = options.code === undefined ? 0 : options.code;
this[kReason] = options.reason === undefined ? '' : options.reason;
this[kWasClean] = options.wasClean === undefined ? false : options.wasClean;
}
/**
* @type {Number}
*/
get code() {
return this[kCode];
}
/**
* @type {String}
*/
get reason() {
return this[kReason];
}
/**
* @type {Boolean}
*/
get wasClean() {
return this[kWasClean];
}
}
Object.defineProperty(CloseEvent.prototype, 'code', { enumerable: true });
Object.defineProperty(CloseEvent.prototype, 'reason', { enumerable: true });
Object.defineProperty(CloseEvent.prototype, 'wasClean', { enumerable: true });
/**
* Class representing an error event.
*
* @extends Event
*/
class ErrorEvent extends Event {
/**
* Create a new `ErrorEvent`.
*
* @param {String} type The name of the event
* @param {Object} [options] A dictionary object that allows for setting
* attributes via object members of the same name
* @param {*} [options.error=null] The error that generated this event
* @param {String} [options.message=''] The error message
*/
constructor(type, options = {}) {
super(type);
this[kError] = options.error === undefined ? null : options.error;
this[kMessage] = options.message === undefined ? '' : options.message;
}
/**
* @type {*}
*/
get error() {
return this[kError];
}
/**
* @type {String}
*/
get message() {
return this[kMessage];
}
}
Object.defineProperty(ErrorEvent.prototype, 'error', { enumerable: true });
Object.defineProperty(ErrorEvent.prototype, 'message', { enumerable: true });
/**
* Class representing a message event.
*
* @extends Event
*/
class MessageEvent extends Event {
/**
* Create a new `MessageEvent`.
*
* @param {String} type The name of the event
* @param {Object} [options] A dictionary object that allows for setting
* attributes via object members of the same name
* @param {*} [options.data=null] The message content
*/
constructor(type, options = {}) {
super(type);
this[kData] = options.data === undefined ? null : options.data;
}
/**
* @type {*}
*/
get data() {
return this[kData];
}
}
Object.defineProperty(MessageEvent.prototype, 'data', { enumerable: true });
/**
* This provides methods for emulating the `EventTarget` interface. It's not
* meant to be used directly.
*
* @mixin
*/
const EventTarget = {
/**
* Register an event listener.
*
* @param {String} type A string representing the event type to listen for
* @param {(Function|Object)} handler The listener to add
* @param {Object} [options] An options object specifies characteristics about
* the event listener
* @param {Boolean} [options.once=false] A `Boolean` indicating that the
* listener should be invoked at most once after being added. If `true`,
* the listener would be automatically removed when invoked.
* @public
*/
addEventListener(type, handler, options = {}) {
for (const listener of this.listeners(type)) {
if (
!options[kForOnEventAttribute] &&
listener[kListener] === handler &&
!listener[kForOnEventAttribute]
) {
return;
}
}
let wrapper;
if (type === 'message') {
wrapper = function onMessage(data, isBinary) {
const event = new MessageEvent('message', {
data: isBinary ? data : data.toString()
});
event[kTarget] = this;
callListener(handler, this, event);
};
} else if (type === 'close') {
wrapper = function onClose(code, message) {
const event = new CloseEvent('close', {
code,
reason: message.toString(),
wasClean: this._closeFrameReceived && this._closeFrameSent
});
event[kTarget] = this;
callListener(handler, this, event);
};
} else if (type === 'error') {
wrapper = function onError(error) {
const event = new ErrorEvent('error', {
error,
message: error.message
});
event[kTarget] = this;
callListener(handler, this, event);
};
} else if (type === 'open') {
wrapper = function onOpen() {
const event = new Event('open');
event[kTarget] = this;
callListener(handler, this, event);
};
} else {
return;
}
wrapper[kForOnEventAttribute] = !!options[kForOnEventAttribute];
wrapper[kListener] = handler;
if (options.once) {
this.once(type, wrapper);
} else {
this.on(type, wrapper);
}
},
/**
* Remove an event listener.
*
* @param {String} type A string representing the event type to remove
* @param {(Function|Object)} handler The listener to remove
* @public
*/
removeEventListener(type, handler) {
for (const listener of this.listeners(type)) {
if (listener[kListener] === handler && !listener[kForOnEventAttribute]) {
this.removeListener(type, listener);
break;
}
}
}
};
module.exports = {
CloseEvent,
ErrorEvent,
Event,
EventTarget,
MessageEvent
};
/**
* Call an event listener
*
* @param {(Function|Object)} listener The listener to call
* @param {*} thisArg The value to use as `this`` when calling the listener
* @param {Event} event The event to pass to the listener
* @private
*/
function callListener(listener, thisArg, event) {
if (typeof listener === 'object' && listener.handleEvent) {
listener.handleEvent.call(listener, event);
} else {
listener.call(thisArg, event);
}
}
/***/ }),
/* 22 */
/***/ ((module, __unused_webpack_exports, __webpack_require__) => {
"use strict";
const { tokenChars } = __webpack_require__(18);
/**
* Adds an offer to the map of extension offers or a parameter to the map of
* parameters.
*
* @param {Object} dest The map of extension offers or parameters
* @param {String} name The extension or parameter name
* @param {(Object|Boolean|String)} elem The extension parameters or the
* parameter value
* @private
*/
function push(dest, name, elem) {
if (dest[name] === undefined) dest[name] = [elem];
else dest[name].push(elem);
}
/**
* Parses the `Sec-WebSocket-Extensions` header into an object.
*
* @param {String} header The field value of the header
* @return {Object} The parsed object
* @public
*/
function parse(header) {
const offers = Object.create(null);
let params = Object.create(null);
let mustUnescape = false;
let isEscaping = false;
let inQuotes = false;
let extensionName;
let paramName;
let start = -1;
let code = -1;
let end = -1;
let i = 0;
for (; i < header.length; i++) {
code = header.charCodeAt(i);
if (extensionName === undefined) {
if (end === -1 && tokenChars[code] === 1) {
if (start === -1) start = i;
} else if (
i !== 0 &&
(code === 0x20 /* ' ' */ || code === 0x09) /* '\t' */
) {
if (end === -1 && start !== -1) end = i;
} else if (code === 0x3b /* ';' */ || code === 0x2c /* ',' */) {
if (start === -1) {
throw new SyntaxError(`Unexpected character at index ${i}`);
}
if (end === -1) end = i;
const name = header.slice(start, end);
if (code === 0x2c) {
push(offers, name, params);
params = Object.create(null);
} else {
extensionName = name;
}
start = end = -1;
} else {
throw new SyntaxError(`Unexpected character at index ${i}`);
}
} else if (paramName === undefined) {
if (end === -1 && tokenChars[code] === 1) {
if (start === -1) start = i;
} else if (code === 0x20 || code === 0x09) {
if (end === -1 && start !== -1) end = i;
} else if (code === 0x3b || code === 0x2c) {
if (start === -1) {
throw new SyntaxError(`Unexpected character at index ${i}`);
}
if (end === -1) end = i;
push(params, header.slice(start, end), true);
if (code === 0x2c) {
push(offers, extensionName, params);
params = Object.create(null);
extensionName = undefined;
}
start = end = -1;
} else if (code === 0x3d /* '=' */ && start !== -1 && end === -1) {
paramName = header.slice(start, i);
start = end = -1;
} else {
throw new SyntaxError(`Unexpected character at index ${i}`);
}
} else {
//
// The value of a quoted-string after unescaping must conform to the
// token ABNF, so only token characters are valid.
// Ref: https://tools.ietf.org/html/rfc6455#section-9.1
//
if (isEscaping) {
if (tokenChars[code] !== 1) {
throw new SyntaxError(`Unexpected character at index ${i}`);
}
if (start === -1) start = i;
else if (!mustUnescape) mustUnescape = true;
isEscaping = false;
} else if (inQuotes) {
if (tokenChars[code] === 1) {
if (start === -1) start = i;
} else if (code === 0x22 /* '"' */ && start !== -1) {
inQuotes = false;
end = i;
} else if (code === 0x5c /* '\' */) {
isEscaping = true;
} else {
throw new SyntaxError(`Unexpected character at index ${i}`);
}
} else if (code === 0x22 && header.charCodeAt(i - 1) === 0x3d) {
inQuotes = true;
} else if (end === -1 && tokenChars[code] === 1) {
if (start === -1) start = i;
} else if (start !== -1 && (code === 0x20 || code === 0x09)) {
if (end === -1) end = i;
} else if (code === 0x3b || code === 0x2c) {
if (start === -1) {
throw new SyntaxError(`Unexpected character at index ${i}`);
}
if (end === -1) end = i;
let value = header.slice(start, end);
if (mustUnescape) {
value = value.replace(/\\/g, '');
mustUnescape = false;
}
push(params, paramName, value);
if (code === 0x2c) {
push(offers, extensionName, params);
params = Object.create(null);
extensionName = undefined;
}
paramName = undefined;
start = end = -1;
} else {
throw new SyntaxError(`Unexpected character at index ${i}`);
}
}
}
if (start === -1 || inQuotes || code === 0x20 || code === 0x09) {
throw new SyntaxError('Unexpected end of input');
}
if (end === -1) end = i;
const token = header.slice(start, end);
if (extensionName === undefined) {
push(offers, token, params);
} else {
if (paramName === undefined) {
push(params, token, true);
} else if (mustUnescape) {
push(params, paramName, token.replace(/\\/g, ''));
} else {
push(params, paramName, token);
}
push(offers, extensionName, params);
}
return offers;
}
/**
* Builds the `Sec-WebSocket-Extensions` header field value.
*
* @param {Object} extensions The map of extensions and parameters to format
* @return {String} A string representing the given object
* @public
*/
function format(extensions) {
return Object.keys(extensions)
.map((extension) => {
let configurations = extensions[extension];
if (!Array.isArray(configurations)) configurations = [configurations];
return configurations
.map((params) => {
return [extension]
.concat(
Object.keys(params).map((k) => {
let values = params[k];
if (!Array.isArray(values)) values = [values];
return values
.map((v) => (v === true ? k : `${k}=${v}`))
.join('; ');
})
)
.join('; ');
})
.join(', ');
})
.join(', ');
}
module.exports = { format, parse };
/***/ }),
/* 23 */
/***/ ((module, __unused_webpack_exports, __webpack_require__) => {
"use strict";
const { Duplex } = __webpack_require__(11);
/**
* Emits the `'close'` event on a stream.
*
* @param {Duplex} stream The stream.
* @private
*/
function emitClose(stream) {
stream.emit('close');
}
/**
* The listener of the `'end'` event.
*
* @private
*/
function duplexOnEnd() {
if (!this.destroyed && this._writableState.finished) {
this.destroy();
}
}
/**
* The listener of the `'error'` event.
*
* @param {Error} err The error
* @private
*/
function duplexOnError(err) {
this.removeListener('error', duplexOnError);
this.destroy();
if (this.listenerCount('error') === 0) {
// Do not suppress the throwing behavior.
this.emit('error', err);
}
}
/**
* Wraps a `WebSocket` in a duplex stream.
*
* @param {WebSocket} ws The `WebSocket` to wrap
* @param {Object} [options] The options for the `Duplex` constructor
* @return {Duplex} The duplex stream
* @public
*/
function createWebSocketStream(ws, options) {
let terminateOnDestroy = true;
const duplex = new Duplex({
...options,
autoDestroy: false,
emitClose: false,
objectMode: false,
writableObjectMode: false
});
ws.on('message', function message(msg, isBinary) {
const data =
!isBinary && duplex._readableState.objectMode ? msg.toString() : msg;
if (!duplex.push(data)) ws.pause();
});
ws.once('error', function error(err) {
if (duplex.destroyed) return;
// Prevent `ws.terminate()` from being called by `duplex._destroy()`.
//
// - If the `'error'` event is emitted before the `'open'` event, then
// `ws.terminate()` is a noop as no socket is assigned.
// - Otherwise, the error is re-emitted by the listener of the `'error'`
// event of the `Receiver` object. The listener already closes the
// connection by calling `ws.close()`. This allows a close frame to be
// sent to the other peer. If `ws.terminate()` is called right after this,
// then the close frame might not be sent.
terminateOnDestroy = false;
duplex.destroy(err);
});
ws.once('close', function close() {
if (duplex.destroyed) return;
duplex.push(null);
});
duplex._destroy = function (err, callback) {
if (ws.readyState === ws.CLOSED) {
callback(err);
process.nextTick(emitClose, duplex);
return;
}
let called = false;
ws.once('error', function error(err) {
called = true;
callback(err);
});
ws.once('close', function close() {
if (!called) callback(err);
process.nextTick(emitClose, duplex);
});
if (terminateOnDestroy) ws.terminate();
};
duplex._final = function (callback) {
if (ws.readyState === ws.CONNECTING) {
ws.once('open', function open() {
duplex._final(callback);
});
return;
}
// If the value of the `_socket` property is `null` it means that `ws` is a
// client websocket and the handshake failed. In fact, when this happens, a
// socket is never assigned to the websocket. Wait for the `'error'` event
// that will be emitted by the websocket.
if (ws._socket === null) return;
if (ws._socket._writableState.finished) {
callback();
if (duplex._readableState.endEmitted) duplex.destroy();
} else {
ws._socket.once('finish', function finish() {
// `duplex` is not destroyed here because the `'end'` event will be
// emitted on `duplex` after this `'finish'` event. The EOF signaling
// `null` chunk is, in fact, pushed when the websocket emits `'close'`.
callback();
});
ws.close();
}
};
duplex._read = function () {
if (ws.isPaused) ws.resume();
};
duplex._write = function (chunk, encoding, callback) {
if (ws.readyState === ws.CONNECTING) {
ws.once('open', function open() {
duplex._write(chunk, encoding, callback);
});
return;
}
ws.send(chunk, callback);
};
duplex.on('end', duplexOnEnd);
duplex.on('error', duplexOnError);
return duplex;
}
module.exports = createWebSocketStream;
/***/ }),
/* 24 */
/***/ ((module, __unused_webpack_exports, __webpack_require__) => {
"use strict";
/* eslint no-unused-vars: ["error", { "varsIgnorePattern": "^net|tls|https$" }] */
const EventEmitter = __webpack_require__(6);
const http = __webpack_require__(2);
const https = __webpack_require__(7);
const net = __webpack_require__(8);
const tls = __webpack_require__(9);
const { createHash } = __webpack_require__(10);
const extension = __webpack_require__(22);
const PerMessageDeflate = __webpack_require__(12);
const subprotocol = __webpack_require__(25);
const WebSocket = __webpack_require__(5);
const { GUID, kWebSocket } = __webpack_require__(15);
const keyRegex = /^[+/0-9A-Za-z]{22}==$/;
const RUNNING = 0;
const CLOSING = 1;
const CLOSED = 2;
/**
* Class representing a WebSocket server.
*
* @extends EventEmitter
*/
class WebSocketServer extends EventEmitter {
/**
* Create a `WebSocketServer` instance.
*
* @param {Object} options Configuration options
* @param {Number} [options.backlog=511] The maximum length of the queue of
* pending connections
* @param {Boolean} [options.clientTracking=true] Specifies whether or not to
* track clients
* @param {Function} [options.handleProtocols] A hook to handle protocols
* @param {String} [options.host] The hostname where to bind the server
* @param {Number} [options.maxPayload=104857600] The maximum allowed message
* size
* @param {Boolean} [options.noServer=false] Enable no server mode
* @param {String} [options.path] Accept only connections matching this path
* @param {(Boolean|Object)} [options.perMessageDeflate=false] Enable/disable
* permessage-deflate
* @param {Number} [options.port] The port where to bind the server
* @param {(http.Server|https.Server)} [options.server] A pre-created HTTP/S
* server to use
* @param {Boolean} [options.skipUTF8Validation=false] Specifies whether or
* not to skip UTF-8 validation for text and close messages
* @param {Function} [options.verifyClient] A hook to reject connections
* @param {Function} [options.WebSocket=WebSocket] Specifies the `WebSocket`
* class to use. It must be the `WebSocket` class or class that extends it
* @param {Function} [callback] A listener for the `listening` event
*/
constructor(options, callback) {
super();
options = {
maxPayload: 100 * 1024 * 1024,
skipUTF8Validation: false,
perMessageDeflate: false,
handleProtocols: null,
clientTracking: true,
verifyClient: null,
noServer: false,
backlog: null, // use default (511 as implemented in net.js)
server: null,
host: null,
path: null,
port: null,
WebSocket,
...options
};
if (
(options.port == null && !options.server && !options.noServer) ||
(options.port != null && (options.server || options.noServer)) ||
(options.server && options.noServer)
) {
throw new TypeError(
'One and only one of the "port", "server", or "noServer" options ' +
'must be specified'
);
}
if (options.port != null) {
this._server = http.createServer((req, res) => {
const body = http.STATUS_CODES[426];
res.writeHead(426, {
'Content-Length': body.length,
'Content-Type': 'text/plain'
});
res.end(body);
});
this._server.listen(
options.port,
options.host,
options.backlog,
callback
);
} else if (options.server) {
this._server = options.server;
}
if (this._server) {
const emitConnection = this.emit.bind(this, 'connection');
this._removeListeners = addListeners(this._server, {
listening: this.emit.bind(this, 'listening'),
error: this.emit.bind(this, 'error'),
upgrade: (req, socket, head) => {
this.handleUpgrade(req, socket, head, emitConnection);
}
});
}
if (options.perMessageDeflate === true) options.perMessageDeflate = {};
if (options.clientTracking) {
this.clients = new Set();
this._shouldEmitClose = false;
}
this.options = options;
this._state = RUNNING;
}
/**
* Returns the bound address, the address family name, and port of the server
* as reported by the operating system if listening on an IP socket.
* If the server is listening on a pipe or UNIX domain socket, the name is
* returned as a string.
*
* @return {(Object|String|null)} The address of the server
* @public
*/
address() {
if (this.options.noServer) {
throw new Error('The server is operating in "noServer" mode');
}
if (!this._server) return null;
return this._server.address();
}
/**
* Stop the server from accepting new connections and emit the `'close'` event
* when all existing connections are closed.
*
* @param {Function} [cb] A one-time listener for the `'close'` event
* @public
*/
close(cb) {
if (this._state === CLOSED) {
if (cb) {
this.once('close', () => {
cb(new Error('The server is not running'));
});
}
process.nextTick(emitClose, this);
return;
}
if (cb) this.once('close', cb);
if (this._state === CLOSING) return;
this._state = CLOSING;
if (this.options.noServer || this.options.server) {
if (this._server) {
this._removeListeners();
this._removeListeners = this._server = null;
}
if (this.clients) {
if (!this.clients.size) {
process.nextTick(emitClose, this);
} else {
this._shouldEmitClose = true;
}
} else {
process.nextTick(emitClose, this);
}
} else {
const server = this._server;
this._removeListeners();
this._removeListeners = this._server = null;
//
// The HTTP/S server was created internally. Close it, and rely on its
// `'close'` event.
//
server.close(() => {
emitClose(this);
});
}
}
/**
* See if a given request should be handled by this server instance.
*
* @param {http.IncomingMessage} req Request object to inspect
* @return {Boolean} `true` if the request is valid, else `false`
* @public
*/
shouldHandle(req) {
if (this.options.path) {
const index = req.url.indexOf('?');
const pathname = index !== -1 ? req.url.slice(0, index) : req.url;
if (pathname !== this.options.path) return false;
}
return true;
}
/**
* Handle a HTTP Upgrade request.
*
* @param {http.IncomingMessage} req The request object
* @param {(net.Socket|tls.Socket)} socket The network socket between the
* server and client
* @param {Buffer} head The first packet of the upgraded stream
* @param {Function} cb Callback
* @public
*/
handleUpgrade(req, socket, head, cb) {
socket.on('error', socketOnError);
const key = req.headers['sec-websocket-key'];
const version = +req.headers['sec-websocket-version'];
if (req.method !== 'GET') {
const message = 'Invalid HTTP method';
abortHandshakeOrEmitwsClientError(this, req, socket, 405, message);
return;
}
if (req.headers.upgrade.toLowerCase() !== 'websocket') {
const message = 'Invalid Upgrade header';
abortHandshakeOrEmitwsClientError(this, req, socket, 400, message);
return;
}
if (!key || !keyRegex.test(key)) {
const message = 'Missing or invalid Sec-WebSocket-Key header';
abortHandshakeOrEmitwsClientError(this, req, socket, 400, message);
return;
}
if (version !== 8 && version !== 13) {
const message = 'Missing or invalid Sec-WebSocket-Version header';
abortHandshakeOrEmitwsClientError(this, req, socket, 400, message);
return;
}
if (!this.shouldHandle(req)) {
abortHandshake(socket, 400);
return;
}
const secWebSocketProtocol = req.headers['sec-websocket-protocol'];
let protocols = new Set();
if (secWebSocketProtocol !== undefined) {
try {
protocols = subprotocol.parse(secWebSocketProtocol);
} catch (err) {
const message = 'Invalid Sec-WebSocket-Protocol header';
abortHandshakeOrEmitwsClientError(this, req, socket, 400, message);
return;
}
}
const secWebSocketExtensions = req.headers['sec-websocket-extensions'];
const extensions = {};
if (
this.options.perMessageDeflate &&
secWebSocketExtensions !== undefined
) {
const perMessageDeflate = new PerMessageDeflate(
this.options.perMessageDeflate,
true,
this.options.maxPayload
);
try {
const offers = extension.parse(secWebSocketExtensions);
if (offers[PerMessageDeflate.extensionName]) {
perMessageDeflate.accept(offers[PerMessageDeflate.extensionName]);
extensions[PerMessageDeflate.extensionName] = perMessageDeflate;
}
} catch (err) {
const message =
'Invalid or unacceptable Sec-WebSocket-Extensions header';
abortHandshakeOrEmitwsClientError(this, req, socket, 400, message);
return;
}
}
//
// Optionally call external client verification handler.
//
if (this.options.verifyClient) {
const info = {
origin:
req.headers[`${version === 8 ? 'sec-websocket-origin' : 'origin'}`],
secure: !!(req.socket.authorized || req.socket.encrypted),
req
};
if (this.options.verifyClient.length === 2) {
this.options.verifyClient(info, (verified, code, message, headers) => {
if (!verified) {
return abortHandshake(socket, code || 401, message, headers);
}
this.completeUpgrade(
extensions,
key,
protocols,
req,
socket,
head,
cb
);
});
return;
}
if (!this.options.verifyClient(info)) return abortHandshake(socket, 401);
}
this.completeUpgrade(extensions, key, protocols, req, socket, head, cb);
}
/**
* Upgrade the connection to WebSocket.
*
* @param {Object} extensions The accepted extensions
* @param {String} key The value of the `Sec-WebSocket-Key` header
* @param {Set} protocols The subprotocols
* @param {http.IncomingMessage} req The request object
* @param {(net.Socket|tls.Socket)} socket The network socket between the
* server and client
* @param {Buffer} head The first packet of the upgraded stream
* @param {Function} cb Callback
* @throws {Error} If called more than once with the same socket
* @private
*/
completeUpgrade(extensions, key, protocols, req, socket, head, cb) {
//
// Destroy the socket if the client has already sent a FIN packet.
//
if (!socket.readable || !socket.writable) return socket.destroy();
if (socket[kWebSocket]) {
throw new Error(
'server.handleUpgrade() was called more than once with the same ' +
'socket, possibly due to a misconfiguration'
);
}
if (this._state > RUNNING) return abortHandshake(socket, 503);
const digest = createHash('sha1')
.update(key + GUID)
.digest('base64');
const headers = [
'HTTP/1.1 101 Switching Protocols',
'Upgrade: websocket',
'Connection: Upgrade',
`Sec-WebSocket-Accept: ${digest}`
];
const ws = new this.options.WebSocket(null);
if (protocols.size) {
//
// Optionally call external protocol selection handler.
//
const protocol = this.options.handleProtocols
? this.options.handleProtocols(protocols, req)
: protocols.values().next().value;
if (protocol) {
headers.push(`Sec-WebSocket-Protocol: ${protocol}`);
ws._protocol = protocol;
}
}
if (extensions[PerMessageDeflate.extensionName]) {
const params = extensions[PerMessageDeflate.extensionName].params;
const value = extension.format({
[PerMessageDeflate.extensionName]: [params]
});
headers.push(`Sec-WebSocket-Extensions: ${value}`);
ws._extensions = extensions;
}
//
// Allow external modification/inspection of handshake headers.
//
this.emit('headers', headers, req);
socket.write(headers.concat('\r\n').join('\r\n'));
socket.removeListener('error', socketOnError);
ws.setSocket(socket, head, {
maxPayload: this.options.maxPayload,
skipUTF8Validation: this.options.skipUTF8Validation
});
if (this.clients) {
this.clients.add(ws);
ws.on('close', () => {
this.clients.delete(ws);
if (this._shouldEmitClose && !this.clients.size) {
process.nextTick(emitClose, this);
}
});
}
cb(ws, req);
}
}
module.exports = WebSocketServer;
/**
* Add event listeners on an `EventEmitter` using a map of <event, listener>
* pairs.
*
* @param {EventEmitter} server The event emitter
* @param {Object.<String, Function>} map The listeners to add
* @return {Function} A function that will remove the added listeners when
* called
* @private
*/
function addListeners(server, map) {
for (const event of Object.keys(map)) server.on(event, map[event]);
return function removeListeners() {
for (const event of Object.keys(map)) {
server.removeListener(event, map[event]);
}
};
}
/**
* Emit a `'close'` event on an `EventEmitter`.
*
* @param {EventEmitter} server The event emitter
* @private
*/
function emitClose(server) {
server._state = CLOSED;
server.emit('close');
}
/**
* Handle socket errors.
*
* @private
*/
function socketOnError() {
this.destroy();
}
/**
* Close the connection when preconditions are not fulfilled.
*
* @param {(net.Socket|tls.Socket)} socket The socket of the upgrade request
* @param {Number} code The HTTP response status code
* @param {String} [message] The HTTP response body
* @param {Object} [headers] Additional HTTP response headers
* @private
*/
function abortHandshake(socket, code, message, headers) {
//
// The socket is writable unless the user destroyed or ended it before calling
// `server.handleUpgrade()` or in the `verifyClient` function, which is a user
// error. Handling this does not make much sense as the worst that can happen
// is that some of the data written by the user might be discarded due to the
// call to `socket.end()` below, which triggers an `'error'` event that in
// turn causes the socket to be destroyed.
//
message = message || http.STATUS_CODES[code];
headers = {
Connection: 'close',
'Content-Type': 'text/html',
'Content-Length': Buffer.byteLength(message),
...headers
};
socket.once('finish', socket.destroy);
socket.end(
`HTTP/1.1 ${code} ${http.STATUS_CODES[code]}\r\n` +
Object.keys(headers)
.map((h) => `${h}: ${headers[h]}`)
.join('\r\n') +
'\r\n\r\n' +
message
);
}
/**
* Emit a `'wsClientError'` event on a `WebSocketServer` if there is at least
* one listener for it, otherwise call `abortHandshake()`.
*
* @param {WebSocketServer} server The WebSocket server
* @param {http.IncomingMessage} req The request object
* @param {(net.Socket|tls.Socket)} socket The socket of the upgrade request
* @param {Number} code The HTTP response status code
* @param {String} message The HTTP response body
* @private
*/
function abortHandshakeOrEmitwsClientError(server, req, socket, code, message) {
if (server.listenerCount('wsClientError')) {
const err = new Error(message);
Error.captureStackTrace(err, abortHandshakeOrEmitwsClientError);
server.emit('wsClientError', err, socket, req);
} else {
abortHandshake(socket, code, message);
}
}
/***/ }),
/* 25 */
/***/ ((module, __unused_webpack_exports, __webpack_require__) => {
"use strict";
const { tokenChars } = __webpack_require__(18);
/**
* Parses the `Sec-WebSocket-Protocol` header into a set of subprotocol names.
*
* @param {String} header The field value of the header
* @return {Set} The subprotocol names
* @public
*/
function parse(header) {
const protocols = new Set();
let start = -1;
let end = -1;
let i = 0;
for (i; i < header.length; i++) {
const code = header.charCodeAt(i);
if (end === -1 && tokenChars[code] === 1) {
if (start === -1) start = i;
} else if (
i !== 0 &&
(code === 0x20 /* ' ' */ || code === 0x09) /* '\t' */
) {
if (end === -1 && start !== -1) end = i;
} else if (code === 0x2c /* ',' */) {
if (start === -1) {
throw new SyntaxError(`Unexpected character at index ${i}`);
}
if (end === -1) end = i;
const protocol = header.slice(start, end);
if (protocols.has(protocol)) {
throw new SyntaxError(`The "${protocol}" subprotocol is duplicated`);
}
protocols.add(protocol);
start = end = -1;
} else {
throw new SyntaxError(`Unexpected character at index ${i}`);
}
}
if (start === -1 || end !== -1) {
throw new SyntaxError('Unexpected end of input');
}
const protocol = header.slice(start, i);
if (protocols.has(protocol)) {
throw new SyntaxError(`The "${protocol}" subprotocol is duplicated`);
}
protocols.add(protocol);
return protocols;
}
module.exports = { parse };
/***/ }),
/* 26 */
/***/ ((__unused_webpack_module, exports, __webpack_require__) => {
"use strict";
Object.defineProperty(exports, "__esModule", ({ value: true }));
exports.serverIndexPage = exports.index401 = exports.serverStaticFile = void 0;
const node_fs_1 = __webpack_require__(27);
const node_path_1 = __webpack_require__(28);
const pretty_cache_header_1 = __webpack_require__(29);
const mimeLookup = {
'.js': 'application/javascript,charset=UTF-8',
'.html': 'text/html,charset=UTF-8',
'.css': 'text/css; charset=UTF-8',
};
const staticPath = 'dist/apps/cf-page/';
const file401 = 'dist/apps/node-vless/assets/401.html';
let filepath = null;
function serverStaticFile(req, resp) {
const url = new URL(req.url, `http://${req.headers['host']}`);
let fileurl = url.pathname;
fileurl = (0, node_path_1.join)(staticPath, fileurl);
console.log('....', fileurl);
filepath = (0, node_path_1.resolve)(fileurl);
console.log(filepath);
if ((0, node_fs_1.existsSync)(filepath)) {
let fileExt = (0, node_path_1.extname)(filepath);
console.log('fileExt', fileExt);
let mimeType = mimeLookup[fileExt];
resp.writeHead(200, {
'Content-Type': mimeType,
'Cache-Control': (0, pretty_cache_header_1.cacheHeader)({
public: true,
maxAge: '1year',
staleWhileRevalidate: '1year',
}),
});
return (0, node_fs_1.createReadStream)(filepath).pipe(resp);
}
else {
resp.writeHead(404);
resp.write('not found');
resp.end();
return resp;
}
}
exports.serverStaticFile = serverStaticFile;
function index401(req, resp) {
const file401Path = (0, node_path_1.resolve)(file401);
if ((0, node_fs_1.existsSync)(file401Path)) {
(0, node_fs_1.createReadStream)(file401Path).pipe(resp);
}
else {
resp.writeHead(401);
resp.write('UUID env not set');
resp.end();
}
}
exports.index401 = index401;
function serverIndexPage(req, resp, uuid) {
// if()
}
exports.serverIndexPage = serverIndexPage;
/***/ }),
/* 27 */
/***/ ((module) => {
"use strict";
module.exports = require("node:fs");
/***/ }),
/* 28 */
/***/ ((module) => {
"use strict";
module.exports = require("node:path");
/***/ }),
/* 29 */
/***/ ((module, __unused_webpack_exports, __webpack_require__) => {
"use strict";
var __create = Object.create;
var __defProp = Object.defineProperty;
var __getOwnPropDesc = Object.getOwnPropertyDescriptor;
var __getOwnPropNames = Object.getOwnPropertyNames;
var __getProtoOf = Object.getPrototypeOf;
var __hasOwnProp = Object.prototype.hasOwnProperty;
var __export = (target, all) => {
for (var name in all)
__defProp(target, name, { get: all[name], enumerable: true });
};
var __copyProps = (to, from, except, desc) => {
if (from && typeof from === "object" || typeof from === "function") {
for (let key of __getOwnPropNames(from))
if (!__hasOwnProp.call(to, key) && key !== except)
__defProp(to, key, { get: () => from[key], enumerable: !(desc = __getOwnPropDesc(from, key)) || desc.enumerable });
}
return to;
};
var __toESM = (mod, isNodeMode, target) => (target = mod != null ? __create(__getProtoOf(mod)) : {}, __copyProps(
isNodeMode || !mod || !mod.__esModule ? __defProp(target, "default", { value: mod, enumerable: true }) : target,
mod
));
var __toCommonJS = (mod) => __copyProps(__defProp({}, "__esModule", { value: true }), mod);
// src/index.ts
var src_exports = {};
__export(src_exports, {
cacheHeader: () => cacheHeader
});
module.exports = __toCommonJS(src_exports);
// src/cache-header.ts
var import_timestring = __toESM(__webpack_require__(30), 1);
function cacheHeader(params) {
const transformed = Object.entries(params).reduce((acc, [key, value]) => {
const kebabKey = key.replace(/[A-Z]/g, (char) => "-" + char.toLowerCase());
return typeof value === "string" || value === true ? [...acc, value === true ? kebabKey : `${kebabKey}=${(0, import_timestring.default)(value)}`] : acc;
}, []);
return transformed.join(", ");
}
// Annotate the CommonJS export names for ESM import in node:
0 && (0);
//# sourceMappingURL=index.cjs.map
/***/ }),
/* 30 */
/***/ ((module) => {
/**
* Exports
*/
module.exports = parseTimestring
/**
* Default options to use when parsing a timestring
*
* @type {Object}
*/
const DEFAULT_OPTS = {
hoursPerDay: 24,
daysPerWeek: 7,
weeksPerMonth: 4,
monthsPerYear: 12,
daysPerYear: 365.25
}
/**
* Map of accepted strings to unit
*
* @type {Object}
*/
const UNIT_MAP = {
ms: ['ms', 'milli', 'millisecond', 'milliseconds'],
s: ['s', 'sec', 'secs', 'second', 'seconds'],
m: ['m', 'min', 'mins', 'minute', 'minutes'],
h: ['h', 'hr', 'hrs', 'hour', 'hours'],
d: ['d', 'day', 'days'],
w: ['w', 'week', 'weeks'],
mth: ['mon', 'mth', 'mths', 'month', 'months'],
y: ['y', 'yr', 'yrs', 'year', 'years']
}
/**
* Parse a timestring
*
* @param {String} string
* @param {String} returnUnit
* @param {Object} opts
* @return {Number}
*/
function parseTimestring (string, returnUnit, opts) {
opts = Object.assign({}, DEFAULT_OPTS, opts || {})
let totalSeconds = 0
let unitValues = getUnitValues(opts)
let groups = string
.toLowerCase()
.replace(/[^.\w+-]+/g, '')
.match(/[-+]?[0-9.]+[a-z]+/g)
if (groups === null) {
throw new Error(`The string [${string}] could not be parsed by timestring`)
}
groups.forEach(group => {
let value = group.match(/[0-9.]+/g)[0]
let unit = group.match(/[a-z]+/g)[0]
totalSeconds += getSeconds(value, unit, unitValues)
})
if (returnUnit) {
return convert(totalSeconds, returnUnit, unitValues)
}
return totalSeconds
}
/**
* Get unit values based on the passed options
*
* @param {Object} opts
* @returns {Object}
*/
function getUnitValues (opts) {
let unitValues = {
ms: 0.001,
s: 1,
m: 60,
h: 3600
}
unitValues.d = opts.hoursPerDay * unitValues.h
unitValues.w = opts.daysPerWeek * unitValues.d
unitValues.mth = (opts.daysPerYear / opts.monthsPerYear) * unitValues.d
unitValues.y = opts.daysPerYear * unitValues.d
return unitValues
}
/**
* Get the key for a unit
*
* @param {String} unit
* @returns {String}
*/
function getUnitKey (unit) {
for (let key of Object.keys(UNIT_MAP)) {
if (UNIT_MAP[key].indexOf(unit) > -1) {
return key
}
}
throw new Error(`The unit [${unit}] is not supported by timestring`)
}
/**
* Get the number of seconds for a value, based on the unit
*
* @param {Number} value
* @param {String} unit
* @param {Object} unitValues
* @returns {Number}
*/
function getSeconds (value, unit, unitValues) {
return value * unitValues[getUnitKey(unit)]
}
/**
* Convert a value from its existing unit to a new unit
*
* @param {Number} value
* @param {String} unit
* @param {Object} unitValues
* @returns {Number}
*/
function convert (value, unit, unitValues) {
return value / unitValues[getUnitKey(unit)]
}
/***/ }),
/* 31 */
/***/ ((__unused_webpack_module, __webpack_exports__, __webpack_require__) => {
"use strict";
// ESM COMPAT FLAG
__webpack_require__.r(__webpack_exports__);
// EXPORTS
__webpack_require__.d(__webpack_exports__, {
"NIL": () => (/* reexport */ nil),
"parse": () => (/* reexport */ esm_node_parse),
"stringify": () => (/* reexport */ esm_node_stringify),
"v1": () => (/* reexport */ esm_node_v1),
"v3": () => (/* reexport */ esm_node_v3),
"v4": () => (/* reexport */ esm_node_v4),
"v5": () => (/* reexport */ esm_node_v5),
"validate": () => (/* reexport */ esm_node_validate),
"version": () => (/* reexport */ esm_node_version)
});
// EXTERNAL MODULE: external "crypto"
var external_crypto_ = __webpack_require__(10);
var external_crypto_default = /*#__PURE__*/__webpack_require__.n(external_crypto_);
;// CONCATENATED MODULE: ../../node_modules/uuid/dist/esm-node/rng.js
const rnds8Pool = new Uint8Array(256); // # of random values to pre-allocate
let poolPtr = rnds8Pool.length;
function rng() {
if (poolPtr > rnds8Pool.length - 16) {
external_crypto_default().randomFillSync(rnds8Pool);
poolPtr = 0;
}
return rnds8Pool.slice(poolPtr, poolPtr += 16);
}
;// CONCATENATED MODULE: ../../node_modules/uuid/dist/esm-node/regex.js
/* harmony default export */ const regex = (/^(?:[0-9a-f]{8}-[0-9a-f]{4}-[1-5][0-9a-f]{3}-[89ab][0-9a-f]{3}-[0-9a-f]{12}|00000000-0000-0000-0000-000000000000)$/i);
;// CONCATENATED MODULE: ../../node_modules/uuid/dist/esm-node/validate.js
function validate(uuid) {
return typeof uuid === 'string' && regex.test(uuid);
}
/* harmony default export */ const esm_node_validate = (validate);
;// CONCATENATED MODULE: ../../node_modules/uuid/dist/esm-node/stringify.js
/**
* Convert array of 16 byte values to UUID string format of the form:
* XXXXXXXX-XXXX-XXXX-XXXX-XXXXXXXXXXXX
*/
const byteToHex = [];
for (let i = 0; i < 256; ++i) {
byteToHex.push((i + 0x100).toString(16).slice(1));
}
function unsafeStringify(arr, offset = 0) {
// Note: Be careful editing this code! It's been tuned for performance
// and works in ways you may not expect. See https://github.com/uuidjs/uuid/pull/434
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); // Consistency check for valid UUID. If this throws, it's likely due to one
// of the following:
// - One or more input array values don't map to a hex octet (leading to
// "undefined" in the uuid)
// - Invalid input values for the RFC `version` or `variant` fields
if (!esm_node_validate(uuid)) {
throw TypeError('Stringified UUID is invalid');
}
return uuid;
}
/* harmony default export */ const esm_node_stringify = (stringify);
;// CONCATENATED MODULE: ../../node_modules/uuid/dist/esm-node/v1.js
// **`v1()` - Generate time-based UUID**
//
// Inspired by https://github.com/LiosK/UUID.js
// and http://docs.python.org/library/uuid.html
let _nodeId;
let _clockseq; // Previous uuid creation time
let _lastMSecs = 0;
let _lastNSecs = 0; // See https://github.com/uuidjs/uuid for API details
function v1(options, buf, offset) {
let i = buf && offset || 0;
const b = buf || new Array(16);
options = options || {};
let node = options.node || _nodeId;
let clockseq = options.clockseq !== undefined ? options.clockseq : _clockseq; // node and clockseq need to be initialized to random values if they're not
// specified. We do this lazily to minimize issues related to insufficient
// system entropy. See #189
if (node == null || clockseq == null) {
const seedBytes = options.random || (options.rng || rng)();
if (node == null) {
// Per 4.5, create and 48-bit node id, (47 random bits + multicast bit = 1)
node = _nodeId = [seedBytes[0] | 0x01, seedBytes[1], seedBytes[2], seedBytes[3], seedBytes[4], seedBytes[5]];
}
if (clockseq == null) {
// Per 4.2.2, randomize (14 bit) clockseq
clockseq = _clockseq = (seedBytes[6] << 8 | seedBytes[7]) & 0x3fff;
}
} // UUID timestamps are 100 nano-second units since the Gregorian epoch,
// (1582-10-15 00:00). JSNumbers aren't precise enough for this, so
// time is handled internally as 'msecs' (integer milliseconds) and 'nsecs'
// (100-nanoseconds offset from msecs) since unix epoch, 1970-01-01 00:00.
let msecs = options.msecs !== undefined ? options.msecs : Date.now(); // Per 4.2.1.2, use count of uuid's generated during the current clock
// cycle to simulate higher resolution clock
let nsecs = options.nsecs !== undefined ? options.nsecs : _lastNSecs + 1; // Time since last uuid creation (in msecs)
const dt = msecs - _lastMSecs + (nsecs - _lastNSecs) / 10000; // Per 4.2.1.2, Bump clockseq on clock regression
if (dt < 0 && options.clockseq === undefined) {
clockseq = clockseq + 1 & 0x3fff;
} // Reset nsecs if clock regresses (new clockseq) or we've moved onto a new
// time interval
if ((dt < 0 || msecs > _lastMSecs) && options.nsecs === undefined) {
nsecs = 0;
} // Per 4.2.1.2 Throw error if too many uuids are requested
if (nsecs >= 10000) {
throw new Error("uuid.v1(): Can't create more than 10M uuids/sec");
}
_lastMSecs = msecs;
_lastNSecs = nsecs;
_clockseq = clockseq; // Per 4.1.4 - Convert from unix epoch to Gregorian epoch
msecs += 12219292800000; // `time_low`
const tl = ((msecs & 0xfffffff) * 10000 + nsecs) % 0x100000000;
b[i++] = tl >>> 24 & 0xff;
b[i++] = tl >>> 16 & 0xff;
b[i++] = tl >>> 8 & 0xff;
b[i++] = tl & 0xff; // `time_mid`
const tmh = msecs / 0x100000000 * 10000 & 0xfffffff;
b[i++] = tmh >>> 8 & 0xff;
b[i++] = tmh & 0xff; // `time_high_and_version`
b[i++] = tmh >>> 24 & 0xf | 0x10; // include version
b[i++] = tmh >>> 16 & 0xff; // `clock_seq_hi_and_reserved` (Per 4.2.2 - include variant)
b[i++] = clockseq >>> 8 | 0x80; // `clock_seq_low`
b[i++] = clockseq & 0xff; // `node`
for (let n = 0; n < 6; ++n) {
b[i + n] = node[n];
}
return buf || unsafeStringify(b);
}
/* harmony default export */ const esm_node_v1 = (v1);
;// CONCATENATED MODULE: ../../node_modules/uuid/dist/esm-node/parse.js
function parse(uuid) {
if (!esm_node_validate(uuid)) {
throw TypeError('Invalid UUID');
}
let v;
const arr = new Uint8Array(16); // Parse ########-....-....-....-............
arr[0] = (v = parseInt(uuid.slice(0, 8), 16)) >>> 24;
arr[1] = v >>> 16 & 0xff;
arr[2] = v >>> 8 & 0xff;
arr[3] = v & 0xff; // Parse ........-####-....-....-............
arr[4] = (v = parseInt(uuid.slice(9, 13), 16)) >>> 8;
arr[5] = v & 0xff; // Parse ........-....-####-....-............
arr[6] = (v = parseInt(uuid.slice(14, 18), 16)) >>> 8;
arr[7] = v & 0xff; // Parse ........-....-....-####-............
arr[8] = (v = parseInt(uuid.slice(19, 23), 16)) >>> 8;
arr[9] = v & 0xff; // Parse ........-....-....-....-############
// (Use "/" to avoid 32-bit truncation when bit-shifting high-order bytes)
arr[10] = (v = parseInt(uuid.slice(24, 36), 16)) / 0x10000000000 & 0xff;
arr[11] = v / 0x100000000 & 0xff;
arr[12] = v >>> 24 & 0xff;
arr[13] = v >>> 16 & 0xff;
arr[14] = v >>> 8 & 0xff;
arr[15] = v & 0xff;
return arr;
}
/* harmony default export */ const esm_node_parse = (parse);
;// CONCATENATED MODULE: ../../node_modules/uuid/dist/esm-node/v35.js
function stringToBytes(str) {
str = unescape(encodeURIComponent(str)); // UTF8 escape
const bytes = [];
for (let i = 0; i < str.length; ++i) {
bytes.push(str.charCodeAt(i));
}
return bytes;
}
const DNS = '6ba7b810-9dad-11d1-80b4-00c04fd430c8';
const URL = '6ba7b811-9dad-11d1-80b4-00c04fd430c8';
function v35(name, version, hashfunc) {
function generateUUID(value, namespace, buf, offset) {
var _namespace;
if (typeof value === 'string') {
value = stringToBytes(value);
}
if (typeof namespace === 'string') {
namespace = esm_node_parse(namespace);
}
if (((_namespace = namespace) === null || _namespace === void 0 ? void 0 : _namespace.length) !== 16) {
throw TypeError('Namespace must be array-like (16 iterable integer values, 0-255)');
} // Compute hash of namespace and value, Per 4.3
// Future: Use spread syntax when supported on all platforms, e.g. `bytes =
// hashfunc([...namespace, ... value])`
let bytes = new Uint8Array(16 + value.length);
bytes.set(namespace);
bytes.set(value, namespace.length);
bytes = hashfunc(bytes);
bytes[6] = bytes[6] & 0x0f | version;
bytes[8] = bytes[8] & 0x3f | 0x80;
if (buf) {
offset = offset || 0;
for (let i = 0; i < 16; ++i) {
buf[offset + i] = bytes[i];
}
return buf;
}
return unsafeStringify(bytes);
} // Function#name is not settable on some platforms (#270)
try {
generateUUID.name = name; // eslint-disable-next-line no-empty
} catch (err) {} // For CommonJS default export support
generateUUID.DNS = DNS;
generateUUID.URL = URL;
return generateUUID;
}
;// CONCATENATED MODULE: ../../node_modules/uuid/dist/esm-node/md5.js
function md5(bytes) {
if (Array.isArray(bytes)) {
bytes = Buffer.from(bytes);
} else if (typeof bytes === 'string') {
bytes = Buffer.from(bytes, 'utf8');
}
return external_crypto_default().createHash('md5').update(bytes).digest();
}
/* harmony default export */ const esm_node_md5 = (md5);
;// CONCATENATED MODULE: ../../node_modules/uuid/dist/esm-node/v3.js
const v3 = v35('v3', 0x30, esm_node_md5);
/* harmony default export */ const esm_node_v3 = (v3);
;// CONCATENATED MODULE: ../../node_modules/uuid/dist/esm-node/native.js
/* harmony default export */ const esm_node_native = ({
randomUUID: (external_crypto_default()).randomUUID
});
;// CONCATENATED MODULE: ../../node_modules/uuid/dist/esm-node/v4.js
function v4(options, buf, offset) {
if (esm_node_native.randomUUID && !buf && !options) {
return esm_node_native.randomUUID();
}
options = options || {};
const rnds = options.random || (options.rng || rng)(); // Per 4.4, set bits for version and `clock_seq_hi_and_reserved`
rnds[6] = rnds[6] & 0x0f | 0x40;
rnds[8] = rnds[8] & 0x3f | 0x80; // Copy bytes to buffer, if provided
if (buf) {
offset = offset || 0;
for (let i = 0; i < 16; ++i) {
buf[offset + i] = rnds[i];
}
return buf;
}
return unsafeStringify(rnds);
}
/* harmony default export */ const esm_node_v4 = (v4);
;// CONCATENATED MODULE: ../../node_modules/uuid/dist/esm-node/sha1.js
function sha1(bytes) {
if (Array.isArray(bytes)) {
bytes = Buffer.from(bytes);
} else if (typeof bytes === 'string') {
bytes = Buffer.from(bytes, 'utf8');
}
return external_crypto_default().createHash('sha1').update(bytes).digest();
}
/* harmony default export */ const esm_node_sha1 = (sha1);
;// CONCATENATED MODULE: ../../node_modules/uuid/dist/esm-node/v5.js
const v5 = v35('v5', 0x50, esm_node_sha1);
/* harmony default export */ const esm_node_v5 = (v5);
;// CONCATENATED MODULE: ../../node_modules/uuid/dist/esm-node/nil.js
/* harmony default export */ const nil = ('00000000-0000-0000-0000-000000000000');
;// CONCATENATED MODULE: ../../node_modules/uuid/dist/esm-node/version.js
function version(uuid) {
if (!esm_node_validate(uuid)) {
throw TypeError('Invalid UUID');
}
return parseInt(uuid.slice(14, 15), 16);
}
/* harmony default export */ const esm_node_version = (version);
;// CONCATENATED MODULE: ../../node_modules/uuid/dist/esm-node/index.js
/***/ }),
/* 32 */
/***/ ((module) => {
"use strict";
module.exports = require("node:dns");
/***/ }),
/* 33 */
/***/ ((module) => {
"use strict";
module.exports = require("node:dgram");
/***/ }),
/* 34 */
/***/ ((__unused_webpack_module, exports, __webpack_require__) => {
"use strict";
Object.defineProperty(exports, "__esModule", ({ value: true }));
exports.vlessJs = exports.processVlessHeader = exports.closeWebSocket = exports.makeReadableWebSocketStream = exports.delay = void 0;
var vless_js_1 = __webpack_require__(35);
Object.defineProperty(exports, "delay", ({ enumerable: true, get: function () { return vless_js_1.delay; } }));
Object.defineProperty(exports, "makeReadableWebSocketStream", ({ enumerable: true, get: function () { return vless_js_1.makeReadableWebSocketStream; } }));
Object.defineProperty(exports, "closeWebSocket", ({ enumerable: true, get: function () { return vless_js_1.safeCloseWebSocket; } }));
Object.defineProperty(exports, "processVlessHeader", ({ enumerable: true, get: function () { return vless_js_1.processVlessHeader; } }));
Object.defineProperty(exports, "vlessJs", ({ enumerable: true, get: function () { return vless_js_1.vlessJs; } }));
/***/ }),
/* 35 */
/***/ ((__unused_webpack_module, exports, __webpack_require__) => {
"use strict";
Object.defineProperty(exports, "__esModule", ({ value: true }));
exports.processVlessHeader = exports.safeCloseWebSocket = exports.makeReadableWebSocketStream = exports.delay = exports.vlessJs = void 0;
const tslib_1 = __webpack_require__(1);
const uuid_1 = __webpack_require__(31);
function vlessJs() {
return 'vless-js';
}
exports.vlessJs = vlessJs;
function delay(ms) {
return new Promise((resolve, rej) => {
setTimeout(resolve, ms);
});
}
exports.delay = delay;
function makeReadableWebSocketStream(ws, earlyDataHeader, log) {
let readableStreamCancel = false;
return new ReadableStream({
start(controller) {
ws.addEventListener('message', (e) => tslib_1.__awaiter(this, void 0, void 0, function* () {
// is stream is cancel, skip controller.enqueue
if (readableStreamCancel) {
return;
}
const vlessBuffer = e.data;
// console.log('MESSAGE', vlessBuffer);
// console.log(`message is ${vlessBuffer.byteLength}`);
// this is not backpressure, but backpressure is depends on underying websocket can pasue
// https://streams.spec.whatwg.org/#example-rs-push-backpressure
controller.enqueue(vlessBuffer);
}));
ws.addEventListener('error', (e) => {
log('socket has error');
readableStreamCancel = true;
controller.error(e);
});
ws.addEventListener('close', () => {
try {
log('webSocket is close');
// is stream is cancel, skip controller.close
if (readableStreamCancel) {
return;
}
controller.close();
}
catch (error) {
log(`websocketStream can't close DUE to `, error);
}
});
// header ws 0rtt
const { earlyData, error } = base64ToArrayBuffer(earlyDataHeader);
if (error) {
log(`earlyDataHeader has invaild base64`);
safeCloseWebSocket(ws);
return;
}
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) {
// TODO: log can be remove, if writestream has error, write stream will has log
log(`websocketStream is cancel DUE to `, reason);
if (readableStreamCancel) {
return;
}
readableStreamCancel = true;
safeCloseWebSocket(ws);
},
});
}
exports.makeReadableWebSocketStream = makeReadableWebSocketStream;
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 };
}
}
function safeCloseWebSocket(socket) {
try {
if (socket.readyState === socket.OPEN) {
socket.close();
}
}
catch (error) {
console.error('safeCloseWebSocket error', error);
}
}
exports.safeCloseWebSocket = safeCloseWebSocket;
//https://github.com/v2ray/v2ray-core/issues/2636
// 1 字节 16 字节 1 字节 M 字节 1 字节 2 字节 1 字节 S 字节 X 字节
// 协议版本 等价 UUID 附加信息长度 M (附加信息 ProtoBuf) 指令(udp/tcp) 端口 地址类型 地址 请求数据
// 00 00 01 01bb(443) 02(ip/host)
// 1 字节 1 字节 N 字节 Y 字节
// 协议版本，与请求的一致 附加信息长度 N 附加信息 ProtoBuf 响应数据
function processVlessHeader(vlessBuffer, userID
// uuidLib: any,
// lodash: any
) {
if (vlessBuffer.byteLength < 24) {
// console.log('invalid data');
// controller.error('invalid data');
return {
hasError: true,
message: 'invalid data',
};
}
const version = new Uint8Array(vlessBuffer.slice(0, 1));
let isValidUser = false;
let isUDP = false;
if ((0, uuid_1.stringify)(new Uint8Array(vlessBuffer.slice(1, 17))) === userID) {
isValidUser = true;
}
if (!isValidUser) {
// console.log('in valid user');
// controller.error('in valid user');
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) {
}
else if (command === 2) {
isUDP = true;
}
else {
return {
hasError: true,
message: `command ${command} is not support, command 01-tcp,02-udp,03-mux`,
};
}
const portIndex = 18 + optLength + 1;
const portBuffer = vlessBuffer.slice(portIndex, portIndex + 2);
// port is big-Endian in raw data etc 80 == 0x005d
const portRemote = new DataView(portBuffer).getInt16(0);
let addressIndex = portIndex + 2;
const addressBuffer = new Uint8Array(vlessBuffer.slice(addressIndex, addressIndex + 1));
// 1--> ipv4 addressLength =4
// 2--> domain name addressLength=addressBuffer[1]
// 3--> ipv6 addressLength =16
const addressType = addressBuffer[0];
let addressLength = 0;
let addressValueIndex = addressIndex + 1;
let addressValue = '';
switch (addressType) {
case 1:
addressLength = 4;
addressValue = new Uint8Array(vlessBuffer.slice(addressValueIndex, addressValueIndex + addressLength)).join('.');
break;
case 2:
addressLength = new Uint8Array(vlessBuffer.slice(addressValueIndex, addressValueIndex + 1))[0];
addressValueIndex += 1;
addressValue = new TextDecoder().decode(vlessBuffer.slice(addressValueIndex, addressValueIndex + addressLength));
break;
case 3:
addressLength = 16;
const dataView = new DataView(vlessBuffer.slice(addressValueIndex, addressValueIndex + addressLength));
// 2001:0db8:85a3:0000:0000:8a2e:0370:7334
const ipv6 = [];
for (let i = 0; i < 8; i++) {
ipv6.push(dataView.getUint16(i * 2).toString(16));
}
addressValue = ipv6.join(':');
// console.log('---------', addressValue)
// seems no need add [] for ipv6
// if (addressValue) {
// addressValue = `[${addressValue}]`;
// }
break;
default:
console.log(`invild addressType is ${addressType}`);
}
if (!addressValue) {
// console.log(`[${address}:${port}] addressValue is empty`);
// controller.error(`[${address}:${portWithRandomLog}] addressValue is empty`);
return {
hasError: true,
message: `addressValue is empty, addressType is ${addressType}`,
};
}
return {
hasError: false,
addressRemote: addressValue,
portRemote,
rawDataIndex: addressValueIndex + addressLength,
vlessVersion: version,
isUDP,
};
}
exports.processVlessHeader = processVlessHeader;
/***/ }),
/* 36 */
/***/ ((module) => {
"use strict";
module.exports = require("node:net");
/***/ }),
/* 37 */
/***/ ((module) => {
"use strict";
module.exports = require("node:stream/web");
/***/ })
/******/ ]);
/************************************************************************/
/******/ // The module cache
/******/ var __webpack_module_cache__ = {};
/******/
/******/ // The require function
/******/ function __webpack_require__(moduleId) {
/******/ // Check if module is in cache
/******/ var cachedModule = __webpack_module_cache__[moduleId];
/******/ if (cachedModule !== undefined) {
/******/ return cachedModule.exports;
/******/ }
/******/ // Create a new module (and put it into the cache)
/******/ var module = __webpack_module_cache__[moduleId] = {
/******/ // no module.id needed
/******/ // no module.loaded needed
/******/ exports: {}
/******/ };
/******/
/******/ // Execute the module function
/******/ __webpack_modules__[moduleId](module, module.exports, __webpack_require__);
/******/
/******/ // Return the exports of the module
/******/ return module.exports;
/******/ }
/******/
/************************************************************************/
/******/ /* webpack/runtime/compat get default export */
/******/ (() => {
/******/ // getDefaultExport function for compatibility with non-harmony modules
/******/ __webpack_require__.n = (module) => {
/******/ var getter = module && module.__esModule ?
/******/ () => (module['default']) :
/******/ () => (module);
/******/ __webpack_require__.d(getter, { a: getter });
/******/ return getter;
/******/ };
/******/ })();
/******/
/******/ /* webpack/runtime/define property getters */
/******/ (() => {
/******/ // define getter functions for harmony exports
/******/ __webpack_require__.d = (exports, definition) => {
/******/ for(var key in definition) {
/******/ if(__webpack_require__.o(definition, key) && !__webpack_require__.o(exports, key)) {
/******/ Object.defineProperty(exports, key, { enumerable: true, get: definition[key] });
/******/ }
/******/ }
/******/ };
/******/ })();
/******/
/******/ /* webpack/runtime/hasOwnProperty shorthand */
/******/ (() => {
/******/ __webpack_require__.o = (obj, prop) => (Object.prototype.hasOwnProperty.call(obj, prop))
/******/ })();
/******/
/******/ /* webpack/runtime/make namespace object */
/******/ (() => {
/******/ // define __esModule on exports
/******/ __webpack_require__.r = (exports) => {
/******/ if(typeof Symbol !== 'undefined' && Symbol.toStringTag) {
/******/ Object.defineProperty(exports, Symbol.toStringTag, { value: 'Module' });
/******/ }
/******/ Object.defineProperty(exports, '__esModule', { value: true });
/******/ };
/******/ })();
/******/
/************************************************************************/
var __webpack_exports__ = {};
// This entry need to be wrapped in an IIFE because it need to be in strict mode.
(() => {
"use strict";
var exports = __webpack_exports__;
Object.defineProperty(exports, "__esModule", ({ value: true }));
const tslib_1 = __webpack_require__(1);
const http_1 = __webpack_require__(2);
const url_1 = __webpack_require__(3);
const ws_1 = __webpack_require__(4);
const utils_1 = __webpack_require__(26);
const uuid_1 = __webpack_require__(31);
const node_fs_1 = __webpack_require__(27);
const node_dns_1 = __webpack_require__(32);
const node_dgram_1 = __webpack_require__(33);
const vless_js_1 = __webpack_require__(34);
const node_net_1 = __webpack_require__(36);
const stream_1 = __webpack_require__(11);
const web_1 = __webpack_require__(37);
const port = process.env.PORT;
const smallRAM = process.env.SMALLRAM || false;
const userID = process.env.UUID || '';
//'ipv4first' or 'verbatim'
const dnOder = process.env.DNSORDER || 'verbatim';
if (dnOder === 'ipv4first') {
(0, node_dns_1.setDefaultResultOrder)(dnOder);
}
let isVaildUser = (0, uuid_1.validate)(userID);
if (!isVaildUser) {
console.log('not set valid UUID');
}
const server = (0, http_1.createServer)((req, resp) => {
var _a;
if (!isVaildUser) {
return (0, utils_1.index401)(req, resp);
}
const url = new URL(req.url, `http://${req.headers['host']}`);
// health check
if (req.method === 'GET' && url.pathname.startsWith('/health')) {
resp.writeHead(200);
resp.write('health 200');
resp.end();
return;
}
// index page
if (url.pathname.includes(userID)) {
const index = 'dist/apps/cf-page/index.html';
resp.writeHead(200, {
'Content-Type': 'text/html,charset=UTF-8',
});
return (0, node_fs_1.createReadStream)(index).pipe(resp);
}
if (req.method === 'GET' && url.pathname.startsWith('/assets')) {
return (0, utils_1.serverStaticFile)(req, resp);
}
const basicAuth = req.headers.authorization || '';
const authStringBase64 = ((_a = basicAuth.split(' ')) === null || _a === void 0 ? void 0 : _a[1]) || '';
const authString = Buffer.from(authStringBase64, 'base64').toString('ascii');
if (authString && authString.includes(userID)) {
resp.writeHead(302, {
'content-type': 'text/html; charset=utf-8',
Location: `./${userID}`,
});
resp.end();
}
else {
resp.writeHead(401, {
'content-type': 'text/html; charset=utf-8',
'WWW-Authenticate': 'Basic',
});
resp.end();
}
});
const vlessWServer = new ws_1.WebSocketServer({ noServer: true });
vlessWServer.on('connection', function connection(ws, request) {
return tslib_1.__awaiter(this, void 0, void 0, function* () {
let address = '';
let portWithRandomLog = '';
try {
const log = (info, event) => {
console.log(`[${address}:${portWithRandomLog}] ${info}`, event || '');
};
let remoteConnection = null;
let udpClientStream = null;
let remoteConnectionReadyResolve;
const earlyDataHeader = request.headers['sec-websocket-protocol'];
const readableWebSocketStream = (0, vless_js_1.makeReadableWebSocketStream)(ws, earlyDataHeader, log);
let vlessResponseHeader = null;
// ws --> remote
readableWebSocketStream
.pipeTo(new web_1.WritableStream({
write(chunk, controller) {
return tslib_1.__awaiter(this, void 0, void 0, function* () {
if (!Buffer.isBuffer(chunk)) {
chunk = Buffer.from(chunk);
}
if (udpClientStream) {
const writer = udpClientStream.writable.getWriter();
// nodejs buffer to ArrayBuffer issue
// https://nodejs.org/dist/latest-v18.x/docs/api/buffer.html#bufbuffer
yield writer.write(chunk.buffer.slice(chunk.byteOffset, chunk.byteOffset + chunk.length));
writer.releaseLock();
return;
}
if (remoteConnection) {
yield socketAsyncWrite(remoteConnection, chunk);
// remoteConnection.write(chunk);
return;
}
const vlessBuffer = chunk.buffer.slice(chunk.byteOffset, chunk.byteOffset + chunk.length);
const { hasError, message, portRemote, addressRemote, rawDataIndex, vlessVersion, isUDP, } = (0, vless_js_1.processVlessHeader)(vlessBuffer, userID);
address = addressRemote || '';
portWithRandomLog = `${portRemote}--${Math.random()} ${isUDP ? 'udp ' : 'tcp '} `;
if (hasError) {
controller.error(`[${address}:${portWithRandomLog}] ${message} `);
return;
}
// const addressType = requestAddr >> 42
// const addressLength = requestAddr & 0x0f;
console.log(`[${address}:${portWithRandomLog}] connecting`);
vlessResponseHeader = new Uint8Array([vlessVersion[0], 0]);
const rawClientData = vlessBuffer.slice(rawDataIndex);
if (isUDP) {
// 如果仅仅是针对DNS， 这样是没有必要的。因为xray 客户端 DNS A/AAA query 都有长度 header，
// 所以直接和 DNS server over TCP。所以无需 runtime 支持 UDP API。
// DNS over UDP 和 TCP 唯一的区别就是 Header section format 多了长度
// https://www.rfc-editor.org/rfc/rfc1035#section-4.2.2
udpClientStream = makeUDPSocketStream(portRemote, address);
const writer = udpClientStream.writable.getWriter();
writer.write(rawClientData).catch((error) => console.log);
writer.releaseLock();
remoteConnectionReadyResolve(udpClientStream);
}
else {
remoteConnection = yield connect2Remote(portRemote, address, log);
remoteConnection.write(new Uint8Array(rawClientData));
remoteConnectionReadyResolve(remoteConnection);
}
});
},
close() {
// if (udpClientStream ) {
// udpClientStream.writable.close();
// }
// (remoteConnection as Socket).end();
console.log(`[${address}:${portWithRandomLog}] readableWebSocketStream is close`);
},
abort(reason) {
// TODO: log can be remove, abort will catch by catch block
console.log(`[${address}:${portWithRandomLog}] readableWebSocketStream is abort`, JSON.stringify(reason));
},
}))
.catch((error) => {
console.error(`[${address}:${portWithRandomLog}] readableWebSocketStream pipeto has exception`, error.stack || error);
// error is cancel readable stream anyway, no need close websocket in here
// closeWebSocket(webSocket);
// close remote conn
// remoteConnection?.close();
});
yield new Promise((resolve) => (remoteConnectionReadyResolve = resolve));
// remote --> ws
let responseStream = udpClientStream === null || udpClientStream === void 0 ? void 0 : udpClientStream.readable;
if (remoteConnection) {
// ignore type error
// @ts-ignore
responseStream = stream_1.Readable.toWeb(remoteConnection, {
strategy: {
// due to nodejs issue https://github.com/nodejs/node/issues/46347
highWaterMark: smallRAM ? 100 : 1000, // 1000 * tcp mtu(64kb) = 64mb
},
});
}
let count = 0;
// ws.send(vlessResponseHeader!);
// remoteConnection.pipe(
// new Writable({
// async write(chunk: Uint8Array, encoding, callback) {
// count += chunk.byteLength;
// console.log('ws write', count / (1024 * 1024));
// console.log(
// '-----++++',
// (remoteConnection as Socket).bytesRead / (1024 * 1024)
// );
// if (ws.readyState === ws.OPEN) {
// await wsAsyncWrite(ws, chunk);
// callback();
// }
// },
// })
// );
// if readable not pipe can't wait fro writeable write method
yield responseStream.pipeTo(new web_1.WritableStream({
start() {
if (ws.readyState === ws.OPEN) {
ws.send(vlessResponseHeader);
}
},
write(chunk, controller) {
return tslib_1.__awaiter(this, void 0, void 0, function* () {
// count += chunk.byteLength;
// console.log('ws write', count / (1024 * 1024));
// console.log(
// '-----++++',
// (remoteConnection as Socket).bytesRead / (1024 * 1024),
// (remoteConnection as Socket).readableHighWaterMark
// );
// we have issue there, maybe beacsue nodejs web stream has bug.
// socket web stream will read more data from socket
if (ws.readyState === ws.OPEN) {
yield wsAsyncWrite(ws, chunk);
}
else {
if (!remoteConnection.destroyed) {
remoteConnection.destroy();
}
}
});
},
close() {
console.log(`[${address}:${portWithRandomLog}] remoteConnection!.readable is close`);
},
abort(reason) {
(0, vless_js_1.closeWebSocket)(ws);
console.error(`[${address}:${portWithRandomLog}] remoteConnection!.readable abort`, reason);
},
}));
}
catch (error) {
console.error(`[${address}:${portWithRandomLog}] processWebSocket has exception `, error.stack || error);
(0, vless_js_1.closeWebSocket)(ws);
}
});
});
server.on('upgrade', function upgrade(request, socket, head) {
const { pathname } = (0, url_1.parse)(request.url);
vlessWServer.handleUpgrade(request, socket, head, function done(ws) {
vlessWServer.emit('connection', ws, request);
});
});
server.listen({
port: port,
host: '::',
// host: '0.0.0.0',
}, () => {
console.log(`server listen in http://127.0.0.1:${port}`);
});
function connect2Remote(port, host, log) {
return tslib_1.__awaiter(this, void 0, void 0, function* () {
return new Promise((resole, reject) => {
const remoteSocket = (0, node_net_1.connect)({
port: port,
host: host,
// https://github.com/nodejs/node/pull/46587
// autoSelectFamily: true,
}, () => {
log(`connected`);
resole(remoteSocket);
});
remoteSocket.addListener('error', () => {
reject('remoteSocket has error');
});
});
});
}
function socketAsyncWrite(ws, chunk) {
return tslib_1.__awaiter(this, void 0, void 0, function* () {
return new Promise((resolve, reject) => {
ws.write(chunk, (error) => {
if (error) {
reject(error);
}
else {
resolve('');
}
});
});
});
}
function wsAsyncWrite(ws, chunk) {
return tslib_1.__awaiter(this, void 0, void 0, function* () {
return new Promise((resolve, reject) => {
ws.send(chunk, (error) => {
if (error) {
reject(error);
}
else {
resolve('');
}
});
});
});
}
function makeUDPSocketStream(portRemote, address) {
const udpClient = (0, node_dgram_1.createSocket)('udp4');
const transformStream = new web_1.TransformStream({
start(controller) {
/* … */
udpClient.on('message', (message, info) => {
// console.log(
// `udp package received ${info.size} bytes from ${info.address}:${info.port}`,
// Buffer.from(message).toString('hex')
// );
controller.enqueue(Buffer.concat([
new Uint8Array([(info.size >> 8) & 0xff, info.size & 0xff]),
message,
]));
});
udpClient.on('error', (error) => {
console.log('udpClient error event', error);
controller.error(error);
});
},
transform(chunk, controller) {
return tslib_1.__awaiter(this, void 0, void 0, function* () {
//seems v2ray will use same web socket for dns query..
//And v2ray will combine A record and AAAA record into one ws message and use 2 btye for dns query length
for (let index = 0; index < chunk.byteLength;) {
const lengthBuffer = chunk.slice(index, index + 2);
const udpPakcetLength = new DataView(lengthBuffer).getInt16(0);
const udpData = new Uint8Array(chunk.slice(index + 2, index + 2 + udpPakcetLength));
index = index + 2 + udpPakcetLength;
yield new Promise((resolve, reject) => {
udpClient.send(udpData, portRemote, address, (err) => {
if (err) {
console.log('udps send error', err);
controller.error(`Failed to send UDP packet !! ${err}`);
safeCloseUDP(udpClient);
}
// console.log(
// 'udp package sent',
// Buffer.from(udpData).toString('hex')
// );
resolve(true);
});
});
index = index;
}
// console.log('dns chunk', chunk);
// console.log(portRemote, address);
// port is big-Endian in raw data etc 80 == 0x005d
});
},
flush(controller) {
safeCloseUDP(udpClient);
controller.terminate();
},
});
return transformStream;
}
function safeCloseUDP(client) {
try {
client.close();
}
catch (error) {
console.log('error close udp', error);
}
}
})();
var __webpack_export_target__ = exports;
for(var i in __webpack_exports__) __webpack_export_target__[i] = __webpack_exports__[i];
if(__webpack_exports__.__esModule) Object.defineProperty(__webpack_export_target__, "__esModule", { value: true });
/******/ })()
;
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