diff --git "a/dist/apps/node-vless/main.js" "b/dist/apps/node-vless/main.js" --- "a/dist/apps/node-vless/main.js" +++ "b/dist/apps/node-vless/main.js" @@ -1,630 +1,6374 @@ -// version base on commit 43fad05dcdae3b723c53c226f8181fc5bd47223e, time is 2023-06-22 15:20:02 UTC. -// @ts-ignore -import { connect } from 'cloudflare:sockets'; - -// How to generate your own UUID: -// [Windows] Press "Win + R", input cmd and run: Powershell -NoExit -Command "[guid]::NewGuid()" -let userID = 'd342d11e-d424-4583-b36e-524ab1f0afa4'; - -let proxyIP = ''; - - -if (!isValidUUID(userID)) { - throw new Error('uuid is not valid'); -} - -export default { - /** - * @param {import("@cloudflare/workers-types").Request} request - * @param {{UUID: string, PROXYIP: string}} env - * @param {import("@cloudflare/workers-types").ExecutionContext} ctx - * @returns {Promise} - */ - async fetch(request, env, ctx) { - try { - userID = env.UUID || userID; - proxyIP = env.PROXYIP || proxyIP; - const upgradeHeader = request.headers.get('Upgrade'); - if (!upgradeHeader || upgradeHeader !== 'websocket') { - const url = new URL(request.url); - switch (url.pathname) { - case '/': - return new Response(JSON.stringify(request.cf), { status: 200 }); - case `/${userID}`: { - const vlessConfig = getVLESSConfig(userID, request.headers.get('Host')); - return new Response(`${vlessConfig}`, { - status: 200, - headers: { - "Content-Type": "text/plain;charset=utf-8", - } - }); - } - default: - return new Response('Not found', { status: 404 }); - } - } else { - return await vlessOverWSHandler(request); - } - } catch (err) { - /** @type {Error} */ let e = err; - return new Response(e.toString()); - } - }, +/******/ (() => { // 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 */ + +var extendStatics = function(d, b) { + extendStatics = Object.setPrototypeOf || + ({ __proto__: [] } instanceof Array && function (d, b) { d.__proto__ = b; }) || + function (d, b) { for (var p in b) if (Object.prototype.hasOwnProperty.call(b, p)) d[p] = b[p]; }; + return extendStatics(d, b); +}; + +function __extends(d, b) { + if (typeof b !== "function" && b !== null) + throw new TypeError("Class extends value " + String(b) + " is not a constructor or null"); + extendStatics(d, b); + function __() { this.constructor = d; } + d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __()); +} + +var __assign = function() { + __assign = Object.assign || function __assign(t) { + for (var s, i = 1, n = arguments.length; i < n; i++) { + s = arguments[i]; + for (var p in s) if (Object.prototype.hasOwnProperty.call(s, p)) t[p] = s[p]; + } + return t; + } + return __assign.apply(this, arguments); +} + +function __rest(s, e) { + var t = {}; + for (var p in s) if (Object.prototype.hasOwnProperty.call(s, p) && e.indexOf(p) < 0) + t[p] = s[p]; + if (s != null && typeof Object.getOwnPropertySymbols === "function") + for (var i = 0, p = Object.getOwnPropertySymbols(s); i < p.length; i++) { + if (e.indexOf(p[i]) < 0 && Object.prototype.propertyIsEnumerable.call(s, p[i])) + t[p[i]] = s[p[i]]; + } + return t; +} + +function __decorate(decorators, target, key, desc) { + var c = arguments.length, r = c < 3 ? target : desc === null ? desc = Object.getOwnPropertyDescriptor(target, key) : desc, d; + if (typeof Reflect === "object" && typeof Reflect.decorate === "function") r = Reflect.decorate(decorators, target, key, desc); + else for (var i = decorators.length - 1; i >= 0; i--) if (d = decorators[i]) r = (c < 3 ? d(r) : c > 3 ? d(target, key, r) : d(target, key)) || r; + return c > 3 && r && Object.defineProperty(target, key, r), r; +} + +function __param(paramIndex, decorator) { + return function (target, key) { decorator(target, key, paramIndex); } +} + +function __esDecorate(ctor, descriptorIn, decorators, contextIn, initializers, extraInitializers) { + function accept(f) { if (f !== void 0 && typeof f !== "function") throw new TypeError("Function expected"); return f; } + var kind = contextIn.kind, key = kind === "getter" ? "get" : kind === "setter" ? "set" : "value"; + var target = !descriptorIn && ctor ? contextIn["static"] ? ctor : ctor.prototype : null; + var descriptor = descriptorIn || (target ? Object.getOwnPropertyDescriptor(target, contextIn.name) : {}); + var _, done = false; + for (var i = decorators.length - 1; i >= 0; i--) { + var context = {}; + for (var p in contextIn) context[p] = p === "access" ? {} : contextIn[p]; + for (var p in contextIn.access) context.access[p] = contextIn.access[p]; + context.addInitializer = function (f) { if (done) throw new TypeError("Cannot add initializers after decoration has completed"); extraInitializers.push(accept(f || null)); }; + var result = (0, decorators[i])(kind === "accessor" ? { get: descriptor.get, set: descriptor.set } : descriptor[key], context); + if (kind === "accessor") { + if (result === void 0) continue; + if (result === null || typeof result !== "object") throw new TypeError("Object expected"); + if (_ = accept(result.get)) descriptor.get = _; + if (_ = accept(result.set)) descriptor.set = _; + if (_ = accept(result.init)) initializers.push(_); + } + else if (_ = accept(result)) { + if (kind === "field") initializers.push(_); + else descriptor[key] = _; + } + } + if (target) Object.defineProperty(target, contextIn.name, descriptor); + done = true; +}; + +function __runInitializers(thisArg, initializers, value) { + var useValue = arguments.length > 2; + for (var i = 0; i < initializers.length; i++) { + value = useValue ? initializers[i].call(thisArg, value) : initializers[i].call(thisArg); + } + return useValue ? value : void 0; +}; + +function __propKey(x) { + return typeof x === "symbol" ? x : "".concat(x); +}; + +function __setFunctionName(f, name, prefix) { + if (typeof name === "symbol") name = name.description ? "[".concat(name.description, "]") : ""; + return Object.defineProperty(f, "name", { configurable: true, value: prefix ? "".concat(prefix, " ", name) : name }); +}; + +function __metadata(metadataKey, metadataValue) { + if (typeof Reflect === "object" && typeof Reflect.metadata === "function") return Reflect.metadata(metadataKey, metadataValue); +} + +function __awaiter(thisArg, _arguments, P, generator) { + function adopt(value) { return value instanceof P ? value : new P(function (resolve) { resolve(value); }); } + return new (P || (P = Promise))(function (resolve, reject) { + function fulfilled(value) { try { step(generator.next(value)); } catch (e) { reject(e); } } + function rejected(value) { try { step(generator["throw"](value)); } catch (e) { reject(e); } } + function step(result) { result.done ? resolve(result.value) : adopt(result.value).then(fulfilled, rejected); } + step((generator = generator.apply(thisArg, _arguments || [])).next()); + }); +} + +function __generator(thisArg, body) { + var _ = { label: 0, sent: function() { if (t[0] & 1) throw t[1]; return t[1]; }, trys: [], ops: [] }, f, y, t, g; + return g = { next: verb(0), "throw": verb(1), "return": verb(2) }, typeof Symbol === "function" && (g[Symbol.iterator] = function() { return this; }), g; + function verb(n) { return function (v) { return step([n, v]); }; } + function step(op) { + if (f) throw new TypeError("Generator is already executing."); + while (g && (g = 0, op[0] && (_ = 0)), _) try { + if (f = 1, y && (t = op[0] & 2 ? y["return"] : op[0] ? y["throw"] || ((t = y["return"]) && t.call(y), 0) : y.next) && !(t = t.call(y, op[1])).done) return t; + if (y = 0, t) op = [op[0] & 2, t.value]; + switch (op[0]) { + case 0: case 1: t = op; break; + case 4: _.label++; return { value: op[1], done: false }; + case 5: _.label++; y = op[1]; op = [0]; continue; + case 7: op = _.ops.pop(); _.trys.pop(); continue; + default: + if (!(t = _.trys, t = t.length > 0 && t[t.length - 1]) && (op[0] === 6 || op[0] === 2)) { _ = 0; continue; } + if (op[0] === 3 && (!t || (op[1] > t[0] && op[1] < t[3]))) { _.label = op[1]; break; } + if (op[0] === 6 && _.label < t[1]) { _.label = t[1]; t = op; break; } + if (t && _.label < t[2]) { _.label = t[2]; _.ops.push(op); break; } + if (t[2]) _.ops.pop(); + _.trys.pop(); continue; + } + op = body.call(thisArg, _); + } catch (e) { op = [6, e]; y = 0; } finally { f = t = 0; } + if (op[0] & 5) throw op[1]; return { value: op[0] ? op[1] : void 0, done: true }; + } +} + +var __createBinding = Object.create ? (function(o, m, k, k2) { + if (k2 === undefined) k2 = k; + var desc = Object.getOwnPropertyDescriptor(m, k); + if (!desc || ("get" in desc ? !m.__esModule : desc.writable || desc.configurable)) { + desc = { enumerable: true, get: function() { return m[k]; } }; + } + Object.defineProperty(o, k2, desc); +}) : (function(o, m, k, k2) { + if (k2 === undefined) k2 = k; + o[k2] = m[k]; +}); + +function __exportStar(m, o) { + for (var p in m) if (p !== "default" && !Object.prototype.hasOwnProperty.call(o, p)) __createBinding(o, m, p); +} + +function __values(o) { + var s = typeof Symbol === "function" && Symbol.iterator, m = s && o[s], i = 0; + if (m) return m.call(o); + if (o && typeof o.length === "number") return { + next: function () { + if (o && i >= o.length) o = void 0; + return { value: o && o[i++], done: !o }; + } + }; + throw new TypeError(s ? "Object is not iterable." : "Symbol.iterator is not defined."); +} + +function __read(o, n) { + var m = typeof Symbol === "function" && o[Symbol.iterator]; + if (!m) return o; + var i = m.call(o), r, ar = [], e; + try { + while ((n === void 0 || n-- > 0) && !(r = i.next()).done) ar.push(r.value); + } + catch (error) { e = { error: error }; } + finally { + try { + if (r && !r.done && (m = i["return"])) m.call(i); + } + finally { if (e) throw e.error; } + } + return ar; +} + +/** @deprecated */ +function __spread() { + for (var ar = [], i = 0; i < arguments.length; i++) + ar = ar.concat(__read(arguments[i])); + return ar; +} + +/** @deprecated */ +function __spreadArrays() { + for (var s = 0, i = 0, il = arguments.length; i < il; i++) s += arguments[i].length; + for (var r = Array(s), k = 0, i = 0; i < il; i++) + for (var a = arguments[i], j = 0, jl = a.length; j < jl; j++, k++) + r[k] = a[j]; + return r; +} + +function __spreadArray(to, from, pack) { + if (pack || arguments.length === 2) for (var i = 0, l = from.length, ar; i < l; i++) { + if (ar || !(i in from)) { + if (!ar) ar = Array.prototype.slice.call(from, 0, i); + ar[i] = from[i]; + } + } + return to.concat(ar || Array.prototype.slice.call(from)); +} + +function __await(v) { + return this instanceof __await ? (this.v = v, this) : new __await(v); +} + +function __asyncGenerator(thisArg, _arguments, generator) { + if (!Symbol.asyncIterator) throw new TypeError("Symbol.asyncIterator is not defined."); + var g = generator.apply(thisArg, _arguments || []), i, q = []; + return i = {}, verb("next"), verb("throw"), verb("return"), i[Symbol.asyncIterator] = function () { return this; }, i; + function verb(n) { if (g[n]) i[n] = function (v) { return new Promise(function (a, b) { q.push([n, v, a, b]) > 1 || resume(n, v); }); }; } + function resume(n, v) { try { step(g[n](v)); } catch (e) { settle(q[0][3], e); } } + function step(r) { r.value instanceof __await ? Promise.resolve(r.value.v).then(fulfill, reject) : settle(q[0][2], r); } + function fulfill(value) { resume("next", value); } + function reject(value) { resume("throw", value); } + function settle(f, v) { if (f(v), q.shift(), q.length) resume(q[0][0], q[0][1]); } +} + +function __asyncDelegator(o) { + var i, p; + return i = {}, verb("next"), verb("throw", function (e) { throw e; }), verb("return"), i[Symbol.iterator] = function () { return this; }, i; + function verb(n, f) { i[n] = o[n] ? function (v) { return (p = !p) ? { value: __await(o[n](v)), done: false } : f ? f(v) : v; } : f; } +} + +function __asyncValues(o) { + if (!Symbol.asyncIterator) throw new TypeError("Symbol.asyncIterator is not defined."); + var m = o[Symbol.asyncIterator], i; + return m ? m.call(o) : (o = typeof __values === "function" ? __values(o) : o[Symbol.iterator](), i = {}, verb("next"), verb("throw"), verb("return"), i[Symbol.asyncIterator] = function () { return this; }, i); + function verb(n) { i[n] = o[n] && function (v) { return new Promise(function (resolve, reject) { v = o[n](v), settle(resolve, reject, v.done, v.value); }); }; } + function settle(resolve, reject, d, v) { Promise.resolve(v).then(function(v) { resolve({ value: v, done: d }); }, reject); } +} + +function __makeTemplateObject(cooked, raw) { + if (Object.defineProperty) { Object.defineProperty(cooked, "raw", { value: raw }); } else { cooked.raw = raw; } + return cooked; +}; + +var __setModuleDefault = Object.create ? (function(o, v) { + Object.defineProperty(o, "default", { enumerable: true, value: v }); +}) : function(o, v) { + o["default"] = v; +}; + +function __importStar(mod) { + if (mod && mod.__esModule) return mod; + var result = {}; + if (mod != null) for (var k in mod) if (k !== "default" && Object.prototype.hasOwnProperty.call(mod, k)) __createBinding(result, mod, k); + __setModuleDefault(result, mod); + return result; +} + +function __importDefault(mod) { + return (mod && mod.__esModule) ? mod : { default: mod }; +} + +function __classPrivateFieldGet(receiver, state, kind, f) { + if (kind === "a" && !f) throw new TypeError("Private accessor was defined without a getter"); + if (typeof state === "function" ? receiver !== state || !f : !state.has(receiver)) throw new TypeError("Cannot read private member from an object whose class did not declare it"); + return kind === "m" ? f : kind === "a" ? f.call(receiver) : f ? f.value : state.get(receiver); +} + +function __classPrivateFieldSet(receiver, state, value, kind, f) { + if (kind === "m") throw new TypeError("Private method is not writable"); + if (kind === "a" && !f) throw new TypeError("Private accessor was defined without a setter"); + if (typeof state === "function" ? receiver !== state || !f : !state.has(receiver)) throw new TypeError("Cannot write private member to an object whose class did not declare it"); + return (kind === "a" ? f.call(receiver, value) : f ? f.value = value : state.set(receiver, value)), value; +} + +function __classPrivateFieldIn(state, receiver) { + if (receiver === null || (typeof receiver !== "object" && typeof receiver !== "function")) throw new TypeError("Cannot use 'in' operator on non-object"); + return typeof state === "function" ? receiver === state : state.has(receiver); +} + + +/***/ }), +/* 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 + * pairs. + * + * @param {EventEmitter} server The event emitter + * @param {Object.} 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}=${(0, import_timestring.default)(value)}`] : acc; + }, []); + return transformed.join(", "); +} +// Annotate the CommonJS export names for ESM import in node: +0 && (0); +//# sourceMappingURL=index.cjs.map +/***/ }), +/* 30 */ +/***/ ((module) => { /** - * - * @param {import("@cloudflare/workers-types").Request} request - */ -async function vlessOverWSHandler(request) { - - /** @type {import("@cloudflare/workers-types").WebSocket[]} */ - // @ts-ignore - const webSocketPair = new WebSocketPair(); - const [client, webSocket] = Object.values(webSocketPair); - - webSocket.accept(); - - let address = ''; - let portWithRandomLog = ''; - const log = (/** @type {string} */ info, /** @type {string | undefined} */ event) => { - console.log(`[${address}:${portWithRandomLog}] ${info}`, event || ''); - }; - const earlyDataHeader = request.headers.get('sec-websocket-protocol') || ''; - - const readableWebSocketStream = makeReadableWebSocketStream(webSocket, earlyDataHeader, log); - - /** @type {{ value: import("@cloudflare/workers-types").Socket | null}}*/ - let remoteSocketWapper = { - value: null, - }; - let udpStreamWrite = null; - let isDns = false; - - // ws --> remote - readableWebSocketStream.pipeTo(new WritableStream({ - async write(chunk, controller) { - if (isDns && udpStreamWrite) { - return udpStreamWrite(chunk); - } - if (remoteSocketWapper.value) { - const writer = remoteSocketWapper.value.writable.getWriter() - await writer.write(chunk); - writer.releaseLock(); - return; - } - - const { - hasError, - message, - portRemote = 443, - addressRemote = '', - rawDataIndex, - vlessVersion = new Uint8Array([0, 0]), - isUDP, - } = processVlessHeader(chunk, userID); - address = addressRemote; - portWithRandomLog = `${portRemote}--${Math.random()} ${isUDP ? 'udp ' : 'tcp ' - } `; - if (hasError) { - // controller.error(message); - throw new Error(message); // cf seems has bug, controller.error will not end stream - // webSocket.close(1000, message); - return; - } - // if UDP but port not DNS port, close it - if (isUDP) { - if (portRemote === 53) { - isDns = true; - } else { - // controller.error('UDP proxy only enable for DNS which is port 53'); - throw new Error('UDP proxy only enable for DNS which is port 53'); // cf seems has bug, controller.error will not end stream - return; - } - } - // ["version", "附加信息长度 N"] - const vlessResponseHeader = new Uint8Array([vlessVersion[0], 0]); - const rawClientData = chunk.slice(rawDataIndex); - - // TODO: support udp here when cf runtime has udp support - if (isDns) { - const { write } = await handleUDPOutBound(webSocket, vlessResponseHeader, log); - udpStreamWrite = write; - udpStreamWrite(rawClientData); - return; - } - handleTCPOutBound(remoteSocketWapper, addressRemote, portRemote, rawClientData, webSocket, vlessResponseHeader, log); - }, - close() { - log(`readableWebSocketStream is close`); - }, - abort(reason) { - log(`readableWebSocketStream is abort`, JSON.stringify(reason)); - }, - })).catch((err) => { - log('readableWebSocketStream pipeTo error', err); - }); - - return new Response(null, { - status: 101, - // @ts-ignore - webSocket: client, - }); -} - -/** - * Handles outbound TCP connections. - * - * @param {any} remoteSocket - * @param {string} addressRemote The remote address to connect to. - * @param {number} portRemote The remote port to connect to. - * @param {Uint8Array} rawClientData The raw client data to write. - * @param {import("@cloudflare/workers-types").WebSocket} webSocket The WebSocket to pass the remote socket to. - * @param {Uint8Array} vlessResponseHeader The VLESS response header. - * @param {function} log The logging function. - * @returns {Promise} The remote socket. - */ -async function handleTCPOutBound(remoteSocket, addressRemote, portRemote, rawClientData, webSocket, vlessResponseHeader, log,) { - async function connectAndWrite(address, port) { - /** @type {import("@cloudflare/workers-types").Socket} */ - const tcpSocket = connect({ - hostname: address, - port: port, - }); - remoteSocket.value = tcpSocket; - log(`connected to ${address}:${port}`); - const writer = tcpSocket.writable.getWriter(); - await writer.write(rawClientData); // first write, nomal is tls client hello - writer.releaseLock(); - return tcpSocket; - } - - // if the cf connect tcp socket have no incoming data, we retry to redirect ip - async function retry() { - const tcpSocket = await connectAndWrite(proxyIP || addressRemote, portRemote) - // no matter retry success or not, close websocket - tcpSocket.closed.catch(error => { - console.log('retry tcpSocket closed error', error); - }).finally(() => { - safeCloseWebSocket(webSocket); - }) - remoteSocketToWS(tcpSocket, webSocket, vlessResponseHeader, null, log); - } - - const tcpSocket = await connectAndWrite(addressRemote, portRemote); - - // when remoteSocket is ready, pass to websocket - // remote--> ws - remoteSocketToWS(tcpSocket, webSocket, vlessResponseHeader, retry, log); -} - -/** - * - * @param {import("@cloudflare/workers-types").WebSocket} webSocketServer - * @param {string} earlyDataHeader for ws 0rtt - * @param {(info: string)=> void} log for ws 0rtt - */ -function makeReadableWebSocketStream(webSocketServer, earlyDataHeader, log) { - let readableStreamCancel = false; - const stream = new ReadableStream({ - start(controller) { - webSocketServer.addEventListener('message', (event) => { - if (readableStreamCancel) { - return; - } - const message = event.data; - controller.enqueue(message); - }); - - // The event means that the client closed the client -> server stream. - // However, the server -> client stream is still open until you call close() on the server side. - // The WebSocket protocol says that a separate close message must be sent in each direction to fully close the socket. - webSocketServer.addEventListener('close', () => { - // client send close, need close server - // if stream is cancel, skip controller.close - safeCloseWebSocket(webSocketServer); - if (readableStreamCancel) { - return; - } - controller.close(); - } - ); - webSocketServer.addEventListener('error', (err) => { - log('webSocketServer has error'); - controller.error(err); - } - ); - // for ws 0rtt - const { earlyData, error } = base64ToArrayBuffer(earlyDataHeader); - if (error) { - controller.error(error); - } else if (earlyData) { - controller.enqueue(earlyData); - } - }, - - pull(controller) { - // if ws can stop read if stream is full, we can implement backpressure - // https://streams.spec.whatwg.org/#example-rs-push-backpressure - }, - cancel(reason) { - // 1. pipe WritableStream has error, this cancel will called, so ws handle server close into here - // 2. if readableStream is cancel, all controller.close/enqueue need skip, - // 3. but from testing controller.error still work even if readableStream is cancel - if (readableStreamCancel) { - return; - } - log(`ReadableStream was canceled, due to ${reason}`) - readableStreamCancel = true; - safeCloseWebSocket(webSocketServer); - } - }); - - return stream; - -} - -// https://xtls.github.io/development/protocols/vless.html -// https://github.com/zizifn/excalidraw-backup/blob/main/v2ray-protocol.excalidraw - -/** - * - * @param { ArrayBuffer} vlessBuffer - * @param {string} userID - * @returns - */ -function processVlessHeader( - vlessBuffer, - userID -) { - if (vlessBuffer.byteLength < 24) { - return { - hasError: true, - message: 'invalid data', - }; - } - const version = new Uint8Array(vlessBuffer.slice(0, 1)); - let isValidUser = false; - let isUDP = false; - if (stringify(new Uint8Array(vlessBuffer.slice(1, 17))) === userID) { - isValidUser = true; - } - if (!isValidUser) { - return { - hasError: true, - message: 'invalid user', - }; - } - - const optLength = new Uint8Array(vlessBuffer.slice(17, 18))[0]; - //skip opt for now - - const command = new Uint8Array( - vlessBuffer.slice(18 + optLength, 18 + optLength + 1) - )[0]; - - // 0x01 TCP - // 0x02 UDP - // 0x03 MUX - if (command === 1) { - } else if (command === 2) { - isUDP = true; - } else { - return { - hasError: true, - message: `command ${command} is not support, command 01-tcp,02-udp,03-mux`, - }; - } - const portIndex = 18 + optLength + 1; - const portBuffer = vlessBuffer.slice(portIndex, portIndex + 2); - // port is big-Endian in raw data etc 80 == 0x005d - const portRemote = new DataView(portBuffer).getUint16(0); - - let addressIndex = portIndex + 2; - const addressBuffer = new Uint8Array( - vlessBuffer.slice(addressIndex, addressIndex + 1) - ); - - // 1--> ipv4 addressLength =4 - // 2--> domain name addressLength=addressBuffer[1] - // 3--> ipv6 addressLength =16 - const addressType = addressBuffer[0]; - let addressLength = 0; - let addressValueIndex = addressIndex + 1; - let addressValue = ''; - switch (addressType) { - case 1: - addressLength = 4; - addressValue = new Uint8Array( - vlessBuffer.slice(addressValueIndex, addressValueIndex + addressLength) - ).join('.'); - break; - case 2: - addressLength = new Uint8Array( - vlessBuffer.slice(addressValueIndex, addressValueIndex + 1) - )[0]; - addressValueIndex += 1; - addressValue = new TextDecoder().decode( - vlessBuffer.slice(addressValueIndex, addressValueIndex + addressLength) - ); - break; - case 3: - addressLength = 16; - const dataView = new DataView( - vlessBuffer.slice(addressValueIndex, addressValueIndex + addressLength) - ); - // 2001:0db8:85a3:0000:0000:8a2e:0370:7334 - const ipv6 = []; - for (let i = 0; i < 8; i++) { - ipv6.push(dataView.getUint16(i * 2).toString(16)); - } - addressValue = ipv6.join(':'); - // seems no need add [] for ipv6 - break; - default: - return { - hasError: true, - message: `invild addressType is ${addressType}`, - }; - } - if (!addressValue) { - return { - hasError: true, - message: `addressValue is empty, addressType is ${addressType}`, - }; - } - - return { - hasError: false, - addressRemote: addressValue, - addressType, - portRemote, - rawDataIndex: addressValueIndex + addressLength, - vlessVersion: version, - isUDP, - }; -} - - -/** - * - * @param {import("@cloudflare/workers-types").Socket} remoteSocket - * @param {import("@cloudflare/workers-types").WebSocket} webSocket - * @param {ArrayBuffer} vlessResponseHeader - * @param {(() => Promise) | null} retry - * @param {*} log - */ -async function remoteSocketToWS(remoteSocket, webSocket, vlessResponseHeader, retry, log) { - // remote--> ws - let remoteChunkCount = 0; - let chunks = []; - /** @type {ArrayBuffer | null} */ - let vlessHeader = vlessResponseHeader; - let hasIncomingData = false; // check if remoteSocket has incoming data - await remoteSocket.readable - .pipeTo( - new WritableStream({ - start() { - }, - /** - * - * @param {Uint8Array} chunk - * @param {*} controller - */ - async write(chunk, controller) { - hasIncomingData = true; - // remoteChunkCount++; - if (webSocket.readyState !== WS_READY_STATE_OPEN) { - controller.error( - 'webSocket.readyState is not open, maybe close' - ); - } - if (vlessHeader) { - webSocket.send(await new Blob([vlessHeader, chunk]).arrayBuffer()); - vlessHeader = null; - } else { - // seems no need rate limit this, CF seems fix this??.. - // if (remoteChunkCount > 20000) { - // // cf one package is 4096 byte(4kb), 4096 * 20000 = 80M - // await delay(1); - // } - webSocket.send(chunk); - } - }, - close() { - log(`remoteConnection!.readable is close with hasIncomingData is ${hasIncomingData}`); - // safeCloseWebSocket(webSocket); // no need server close websocket frist for some case will casue HTTP ERR_CONTENT_LENGTH_MISMATCH issue, client will send close event anyway. - }, - abort(reason) { - console.error(`remoteConnection!.readable abort`, reason); - }, - }) - ) - .catch((error) => { - console.error( - `remoteSocketToWS has exception `, - error.stack || error - ); - safeCloseWebSocket(webSocket); - }); - - // seems is cf connect socket have error, - // 1. Socket.closed will have error - // 2. Socket.readable will be close without any data coming - if (hasIncomingData === false && retry) { - log(`retry`) - retry(); - } -} - -/** - * - * @param {string} base64Str - * @returns + * Exports */ -function base64ToArrayBuffer(base64Str) { - if (!base64Str) { - return { error: null }; - } - try { - // go use modified Base64 for URL rfc4648 which js atob not support - base64Str = base64Str.replace(/-/g, '+').replace(/_/g, '/'); - const decode = atob(base64Str); - const arryBuffer = Uint8Array.from(decode, (c) => c.charCodeAt(0)); - return { earlyData: arryBuffer.buffer, error: null }; - } catch (error) { - return { error }; - } + +module.exports = parseTimestring + +/** + * Default options to use when parsing a timestring + * + * @type {Object} + */ + +const DEFAULT_OPTS = { + hoursPerDay: 24, + daysPerWeek: 7, + weeksPerMonth: 4, + monthsPerYear: 12, + daysPerYear: 365.25 } /** - * This is not real UUID validation - * @param {string} uuid + * Map of accepted strings to unit + * + * @type {Object} */ -function isValidUUID(uuid) { - const uuidRegex = /^[0-9a-f]{8}-[0-9a-f]{4}-[4][0-9a-f]{3}-[89ab][0-9a-f]{3}-[0-9a-f]{12}$/i; - return uuidRegex.test(uuid); + +const 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'] } -const WS_READY_STATE_OPEN = 1; -const WS_READY_STATE_CLOSING = 2; /** - * Normally, WebSocket will not has exceptions when close. - * @param {import("@cloudflare/workers-types").WebSocket} socket + * Parse a timestring + * + * @param {String} string + * @param {String} returnUnit + * @param {Object} opts + * @return {Number} */ -function safeCloseWebSocket(socket) { - try { - if (socket.readyState === WS_READY_STATE_OPEN || socket.readyState === WS_READY_STATE_CLOSING) { - socket.close(); - } - } catch (error) { - console.error('safeCloseWebSocket error', error); - } + +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 + 256).toString(16).slice(1)); + byteToHex.push((i + 0x100).toString(16).slice(1)); } + function unsafeStringify(arr, offset = 0) { - return (byteToHex[arr[offset + 0]] + byteToHex[arr[offset + 1]] + byteToHex[arr[offset + 2]] + byteToHex[arr[offset + 3]] + "-" + byteToHex[arr[offset + 4]] + byteToHex[arr[offset + 5]] + "-" + byteToHex[arr[offset + 6]] + byteToHex[arr[offset + 7]] + "-" + byteToHex[arr[offset + 8]] + byteToHex[arr[offset + 9]] + "-" + byteToHex[arr[offset + 10]] + byteToHex[arr[offset + 11]] + byteToHex[arr[offset + 12]] + byteToHex[arr[offset + 13]] + byteToHex[arr[offset + 14]] + byteToHex[arr[offset + 15]]).toLowerCase(); + // 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); - if (!isValidUUID(uuid)) { - throw TypeError("Stringified UUID is invalid"); - } - return uuid; -} - - -/** - * - * @param {import("@cloudflare/workers-types").WebSocket} webSocket - * @param {ArrayBuffer} vlessResponseHeader - * @param {(string)=> void} log - */ -async function handleUDPOutBound(webSocket, vlessResponseHeader, log) { - - let isVlessHeaderSent = false; - const transformStream = new TransformStream({ - start(controller) { - - }, - transform(chunk, controller) { - // udp message 2 byte is the the length of udp data - // TODO: this should have bug, beacsue maybe udp chunk can be in two websocket message - for (let index = 0; index < chunk.byteLength;) { - const lengthBuffer = chunk.slice(index, index + 2); - const udpPakcetLength = new DataView(lengthBuffer).getUint16(0); - const udpData = new Uint8Array( - chunk.slice(index + 2, index + 2 + udpPakcetLength) - ); - index = index + 2 + udpPakcetLength; - controller.enqueue(udpData); - } - }, - flush(controller) { - } - }); - - // only handle dns udp for now - transformStream.readable.pipeTo(new WritableStream({ - async write(chunk) { - const resp = await fetch('https://1.1.1.1/dns-query', - { - method: 'POST', - headers: { - 'content-type': 'application/dns-message', - }, - body: chunk, - }) - const dnsQueryResult = await resp.arrayBuffer(); - const udpSize = dnsQueryResult.byteLength; - // console.log([...new Uint8Array(dnsQueryResult)].map((x) => x.toString(16))); - const udpSizeBuffer = new Uint8Array([(udpSize >> 8) & 0xff, udpSize & 0xff]); - if (webSocket.readyState === WS_READY_STATE_OPEN) { - log(`doh success and dns message length is ${udpSize}`); - if (isVlessHeaderSent) { - webSocket.send(await new Blob([udpSizeBuffer, dnsQueryResult]).arrayBuffer()); - } else { - webSocket.send(await new Blob([vlessResponseHeader, udpSizeBuffer, dnsQueryResult]).arrayBuffer()); - isVlessHeaderSent = true; - } - } - } - })).catch((error) => { - log('dns udp has error' + error) - }); - - const writer = transformStream.writable.getWriter(); - - return { - /** - * - * @param {Uint8Array} chunk - */ - write(chunk) { - writer.write(chunk); - } - }; -} - -/** - * - * @param {string} userID - * @param {string | null} hostName - * @returns {string} - */ -function getVLESSConfig(userID, hostName) { - const vlessMain = `vless://${userID}@${hostName}:443?encryption=none&security=tls&sni=${hostName}&fp=randomized&type=ws&host=${hostName}&path=%2F%3Fed%3D2048#${hostName}` - return ` -################################################################ -v2ray ---------------------------------------------------------------- -${vlessMain} ---------------------------------------------------------------- -################################################################ -clash-meta ---------------------------------------------------------------- -- type: vless - name: ${hostName} - server: ${hostName} - port: 443 - uuid: ${userID} - network: ws - tls: true - udp: false - sni: ${hostName} - client-fingerprint: chrome - ws-opts: - path: "/?ed=2048" - headers: - host: ${hostName} ---------------------------------------------------------------- -################################################################ -`; + 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 }); +/******/ })() +; +//# sourceMappingURL=main.js.map \ No newline at end of file