JavaScript 65.5%
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1"use strict";23Object.defineProperty(exports, "__esModule", {4 value: true5});6exports.hasScrollbarGutter = exports.dragThreshold = void 0;7exports.isAndroid = isAndroid;8exports.isBlink = isBlink;9exports.isChrome = isChrome;10exports.isChromeOS = isChromeOS;11exports.isChromium = isChromium;12exports.isEdge = isEdge;13exports.isFirefox = isFirefox;14exports.isGecko = isGecko;15exports.isIOS = isIOS;16exports.isMac = isMac;17exports.isOpera = isOpera;18exports.isSafari = isSafari;19exports.isTouchDevice = void 0;20exports.isWebKit = isWebKit;21exports.isWindows = isWindows;22exports.supportsWebCodecsH264Decode = exports.supportsCursorURIs = void 0;23var Log = _interopRequireWildcard(require("./logging.js"));24var _base = _interopRequireDefault(require("../base64.js"));25function _interopRequireDefault(e) { return e && e.__esModule ? e : { "default": e }; }26function _getRequireWildcardCache(e) { if ("function" != typeof WeakMap) return null; var r = new WeakMap(), t = new WeakMap(); return (_getRequireWildcardCache = function _getRequireWildcardCache(e) { return e ? t : r; })(e); }27function _interopRequireWildcard(e, r) { if (!r && e && e.__esModule) return e; if (null === e || "object" != _typeof(e) && "function" != typeof e) return { "default": e }; var t = _getRequireWildcardCache(r); if (t && t.has(e)) return t.get(e); var n = { __proto__: null }, a = Object.defineProperty && Object.getOwnPropertyDescriptor; for (var u in e) if ("default" !== u && {}.hasOwnProperty.call(e, u)) { var i = a ? Object.getOwnPropertyDescriptor(e, u) : null; i && (i.get || i.set) ? Object.defineProperty(n, u, i) : n[u] = e[u]; } return n["default"] = e, t && t.set(e, n), n; }28function _typeof(o) { "@babel/helpers - typeof"; return _typeof = "function" == typeof Symbol && "symbol" == typeof Symbol.iterator ? function (o) { return typeof o; } : function (o) { return o && "function" == typeof Symbol && o.constructor === Symbol && o !== Symbol.prototype ? "symbol" : typeof o; }, _typeof(o); }29function _regeneratorRuntime() { "use strict"; /*! regenerator-runtime -- Copyright (c) 2014-present, Facebook, Inc. -- license (MIT): https://github.com/facebook/regenerator/blob/main/LICENSE */ _regeneratorRuntime = function _regeneratorRuntime() { return e; }; var t, e = {}, r = Object.prototype, n = r.hasOwnProperty, o = Object.defineProperty || function (t, e, r) { t[e] = r.value; }, i = "function" == typeof Symbol ? Symbol : {}, a = i.iterator || "@@iterator", c = i.asyncIterator || "@@asyncIterator", u = i.toStringTag || "@@toStringTag"; function define(t, e, r) { return Object.defineProperty(t, e, { value: r, enumerable: !0, configurable: !0, writable: !0 }), t[e]; } try { define({}, ""); } catch (t) { define = function define(t, e, r) { return t[e] = r; }; } function wrap(t, e, r, n) { var i = e && e.prototype instanceof Generator ? e : Generator, a = Object.create(i.prototype), c = new Context(n || []); return o(a, "_invoke", { value: makeInvokeMethod(t, r, c) }), a; } function tryCatch(t, e, r) { try { return { type: "normal", arg: t.call(e, r) }; } catch (t) { return { type: "throw", arg: t }; } } e.wrap = wrap; var h = "suspendedStart", l = "suspendedYield", f = "executing", s = "completed", y = {}; function Generator() {} function GeneratorFunction() {} function GeneratorFunctionPrototype() {} var p = {}; define(p, a, function () { return this; }); var d = Object.getPrototypeOf, v = d && d(d(values([]))); v && v !== r && n.call(v, a) && (p = v); var g = GeneratorFunctionPrototype.prototype = Generator.prototype = Object.create(p); function defineIteratorMethods(t) { ["next", "throw", "return"].forEach(function (e) { define(t, e, function (t) { return this._invoke(e, t); }); }); } function AsyncIterator(t, e) { function invoke(r, o, i, a) { var c = tryCatch(t[r], t, o); if ("throw" !== c.type) { var u = c.arg, h = u.value; return h && "object" == _typeof(h) && n.call(h, "__await") ? e.resolve(h.__await).then(function (t) { invoke("next", t, i, a); }, function (t) { invoke("throw", t, i, a); }) : e.resolve(h).then(function (t) { u.value = t, i(u); }, function (t) { return invoke("throw", t, i, a); }); } a(c.arg); } var r; o(this, "_invoke", { value: function value(t, n) { function callInvokeWithMethodAndArg() { return new e(function (e, r) { invoke(t, n, e, r); }); } return r = r ? r.then(callInvokeWithMethodAndArg, callInvokeWithMethodAndArg) : callInvokeWithMethodAndArg(); } }); } function makeInvokeMethod(e, r, n) { var o = h; return function (i, a) { if (o === f) throw Error("Generator is already running"); if (o === s) { if ("throw" === i) throw a; return { value: t, done: !0 }; } for (n.method = i, n.arg = a;;) { var c = n.delegate; if (c) { var u = maybeInvokeDelegate(c, n); if (u) { if (u === y) continue; return u; } } if ("next" === n.method) n.sent = n._sent = n.arg;else if ("throw" === n.method) { if (o === h) throw o = s, n.arg; n.dispatchException(n.arg); } else "return" === n.method && n.abrupt("return", n.arg); o = f; var p = tryCatch(e, r, n); if ("normal" === p.type) { if (o = n.done ? s : l, p.arg === y) continue; return { value: p.arg, done: n.done }; } "throw" === p.type && (o = s, n.method = "throw", n.arg = p.arg); } }; } function maybeInvokeDelegate(e, r) { var n = r.method, o = e.iterator[n]; if (o === t) return r.delegate = null, "throw" === n && e.iterator["return"] && (r.method = "return", r.arg = t, maybeInvokeDelegate(e, r), "throw" === r.method) || "return" !== n && (r.method = "throw", r.arg = new TypeError("The iterator does not provide a '" + n + "' method")), y; var i = tryCatch(o, e.iterator, r.arg); if ("throw" === i.type) return r.method = "throw", r.arg = i.arg, r.delegate = null, y; var a = i.arg; return a ? a.done ? (r[e.resultName] = a.value, r.next = e.nextLoc, "return" !== r.method && (r.method = "next", r.arg = t), r.delegate = null, y) : a : (r.method = "throw", r.arg = new TypeError("iterator result is not an object"), r.delegate = null, y); } function pushTryEntry(t) { var e = { tryLoc: t[0] }; 1 in t && (e.catchLoc = t[1]), 2 in t && (e.finallyLoc = t[2], e.afterLoc = t[3]), this.tryEntries.push(e); } function resetTryEntry(t) { var e = t.completion || {}; e.type = "normal", delete e.arg, t.completion = e; } function Context(t) { this.tryEntries = [{ tryLoc: "root" }], t.forEach(pushTryEntry, this), this.reset(!0); } function values(e) { if (e || "" === e) { var r = e[a]; if (r) return r.call(e); if ("function" == typeof e.next) return e; if (!isNaN(e.length)) { var o = -1, i = function next() { for (; ++o < e.length;) if (n.call(e, o)) return next.value = e[o], next.done = !1, next; return next.value = t, next.done = !0, next; }; return i.next = i; } } throw new TypeError(_typeof(e) + " is not iterable"); } return GeneratorFunction.prototype = GeneratorFunctionPrototype, o(g, "constructor", { value: GeneratorFunctionPrototype, configurable: !0 }), o(GeneratorFunctionPrototype, "constructor", { value: GeneratorFunction, configurable: !0 }), GeneratorFunction.displayName = define(GeneratorFunctionPrototype, u, "GeneratorFunction"), e.isGeneratorFunction = function (t) { var e = "function" == typeof t && t.constructor; return !!e && (e === GeneratorFunction || "GeneratorFunction" === (e.displayName || e.name)); }, e.mark = function (t) { return Object.setPrototypeOf ? Object.setPrototypeOf(t, GeneratorFunctionPrototype) : (t.__proto__ = GeneratorFunctionPrototype, define(t, u, "GeneratorFunction")), t.prototype = Object.create(g), t; }, e.awrap = function (t) { return { __await: t }; }, defineIteratorMethods(AsyncIterator.prototype), define(AsyncIterator.prototype, c, function () { return this; }), e.AsyncIterator = AsyncIterator, e.async = function (t, r, n, o, i) { void 0 === i && (i = Promise); var a = new AsyncIterator(wrap(t, r, n, o), i); return e.isGeneratorFunction(r) ? a : a.next().then(function (t) { return t.done ? t.value : a.next(); }); }, defineIteratorMethods(g), define(g, u, "Generator"), define(g, a, function () { return this; }), define(g, "toString", function () { return "[object Generator]"; }), e.keys = function (t) { var e = Object(t), r = []; for (var n in e) r.push(n); return r.reverse(), function next() { for (; r.length;) { var t = r.pop(); if (t in e) return next.value = t, next.done = !1, next; } return next.done = !0, next; }; }, e.values = values, Context.prototype = { constructor: Context, reset: function reset(e) { if (this.prev = 0, this.next = 0, this.sent = this._sent = t, this.done = !1, this.delegate = null, this.method = "next", this.arg = t, this.tryEntries.forEach(resetTryEntry), !e) for (var r in this) "t" === r.charAt(0) && n.call(this, r) && !isNaN(+r.slice(1)) && (this[r] = t); }, stop: function stop() { this.done = !0; var t = this.tryEntries[0].completion; if ("throw" === t.type) throw t.arg; return this.rval; }, dispatchException: function dispatchException(e) { if (this.done) throw e; var r = this; function handle(n, o) { return a.type = "throw", a.arg = e, r.next = n, o && (r.method = "next", r.arg = t), !!o; } for (var o = this.tryEntries.length - 1; o >= 0; --o) { var i = this.tryEntries[o], a = i.completion; if ("root" === i.tryLoc) return handle("end"); if (i.tryLoc <= this.prev) { var c = n.call(i, "catchLoc"), u = n.call(i, "finallyLoc"); if (c && u) { if (this.prev < i.catchLoc) return handle(i.catchLoc, !0); if (this.prev < i.finallyLoc) return handle(i.finallyLoc); } else if (c) { if (this.prev < i.catchLoc) return handle(i.catchLoc, !0); } else { if (!u) throw Error("try statement without catch or finally"); if (this.prev < i.finallyLoc) return handle(i.finallyLoc); } } } }, abrupt: function abrupt(t, e) { for (var r = this.tryEntries.length - 1; r >= 0; --r) { var o = this.tryEntries[r]; if (o.tryLoc <= this.prev && n.call(o, "finallyLoc") && this.prev < o.finallyLoc) { var i = o; break; } } i && ("break" === t || "continue" === t) && i.tryLoc <= e && e <= i.finallyLoc && (i = null); var a = i ? i.completion : {}; return a.type = t, a.arg = e, i ? (this.method = "next", this.next = i.finallyLoc, y) : this.complete(a); }, complete: function complete(t, e) { if ("throw" === t.type) throw t.arg; return "break" === t.type || "continue" === t.type ? this.next = t.arg : "return" === t.type ? (this.rval = this.arg = t.arg, this.method = "return", this.next = "end") : "normal" === t.type && e && (this.next = e), y; }, finish: function finish(t) { for (var e = this.tryEntries.length - 1; e >= 0; --e) { var r = this.tryEntries[e]; if (r.finallyLoc === t) return this.complete(r.completion, r.afterLoc), resetTryEntry(r), y; } }, "catch": function _catch(t) { for (var e = this.tryEntries.length - 1; e >= 0; --e) { var r = this.tryEntries[e]; if (r.tryLoc === t) { var n = r.completion; if ("throw" === n.type) { var o = n.arg; resetTryEntry(r); } return o; } } throw Error("illegal catch attempt"); }, delegateYield: function delegateYield(e, r, n) { return this.delegate = { iterator: values(e), resultName: r, nextLoc: n }, "next" === this.method && (this.arg = t), y; } }, e; }30function asyncGeneratorStep(n, t, e, r, o, a, c) { try { var i = n[a](c), u = i.value; } catch (n) { return void e(n); } i.done ? t(u) : Promise.resolve(u).then(r, o); }31function _asyncToGenerator(n) { return function () { var t = this, e = arguments; return new Promise(function (r, o) { var a = n.apply(t, e); function _next(n) { asyncGeneratorStep(a, r, o, _next, _throw, "next", n); } function _throw(n) { asyncGeneratorStep(a, r, o, _next, _throw, "throw", n); } _next(void 0); }); }; } /*32 * noVNC: HTML5 VNC client33 * Copyright (C) 2019 The noVNC authors34 * Licensed under MPL 2.0 (see LICENSE.txt)35 *36 * See README.md for usage and integration instructions.37 *38 * Browser feature support detection39 */40// Touch detection41var isTouchDevice = exports.isTouchDevice = 'ontouchstart' in document.documentElement ||42// required for Chrome debugger43document.ontouchstart !== undefined ||44// required for MS Surface45navigator.maxTouchPoints > 0 || navigator.msMaxTouchPoints > 0;46window.addEventListener('touchstart', function onFirstTouch() {47 exports.isTouchDevice = isTouchDevice = true;48 window.removeEventListener('touchstart', onFirstTouch, false);49}, false);5051// The goal is to find a certain physical width, the devicePixelRatio52// brings us a bit closer but is not optimal.53var dragThreshold = exports.dragThreshold = 10 * (window.devicePixelRatio || 1);54var _supportsCursorURIs = false;55try {56 var target = document.createElement('canvas');57 target.style.cursor = 'url("data:image/x-icon;base64,AAACAAEACAgAAAIAAgA4AQAAFgAAACgAAAAIAAAAEAAAAAEAIAAAAAAAEAAAAAAAAAAAAAAAAAAAAAAAAAD/////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////AAAAAAAAAAAAAAAAAAAAAA==") 2 2, default';58 if (target.style.cursor.indexOf("url") === 0) {59 Log.Info("Data URI scheme cursor supported");60 _supportsCursorURIs = true;61 } else {62 Log.Warn("Data URI scheme cursor not supported");63 }64} catch (exc) {65 Log.Error("Data URI scheme cursor test exception: " + exc);66}67var supportsCursorURIs = exports.supportsCursorURIs = _supportsCursorURIs;68var _hasScrollbarGutter = true;69try {70 // Create invisible container71 var container = document.createElement('div');72 container.style.visibility = 'hidden';73 container.style.overflow = 'scroll'; // forcing scrollbars74 document.body.appendChild(container);7576 // Create a div and place it in the container77 var child = document.createElement('div');78 container.appendChild(child);7980 // Calculate the difference between the container's full width81 // and the child's width - the difference is the scrollbars82 var scrollbarWidth = container.offsetWidth - child.offsetWidth;8384 // Clean up85 container.parentNode.removeChild(container);86 _hasScrollbarGutter = scrollbarWidth != 0;87} catch (exc) {88 Log.Error("Scrollbar test exception: " + exc);89}90var hasScrollbarGutter = exports.hasScrollbarGutter = _hasScrollbarGutter;91var supportsWebCodecsH264Decode = exports.supportsWebCodecsH264Decode = false;92function _checkWebCodecsH264DecodeSupport() {93 return _checkWebCodecsH264DecodeSupport2.apply(this, arguments);94}95function _checkWebCodecsH264DecodeSupport2() {96 _checkWebCodecsH264DecodeSupport2 = _asyncToGenerator(/*#__PURE__*/_regeneratorRuntime().mark(function _callee() {97 var config, support, data, gotframe, _error, decoder, chunk;98 return _regeneratorRuntime().wrap(function _callee$(_context) {99 while (1) switch (_context.prev = _context.next) {100 case 0:101 if ('VideoDecoder' in window) {102 _context.next = 2;103 break;104 }105 return _context.abrupt("return", false);106 case 2:107 // We'll need to make do with some placeholders here108 config = {109 codec: 'avc1.42401f',110 codedWidth: 1920,111 codedHeight: 1080,112 optimizeForLatency: true113 };114 _context.next = 5;115 return VideoDecoder.isConfigSupported(config);116 case 5:117 support = _context.sent;118 if (support.supported) {119 _context.next = 8;120 break;121 }122 return _context.abrupt("return", false);123 case 8:124 // Firefox incorrectly reports supports for H.264 under some125 // circumstances, so we need to actually test a real frame126 // https://bugzilla.mozilla.org/show_bug.cgi?id=1932392127 data = new Uint8Array(_base["default"].decode('AAAAAWdCwBTZnpuAgICgAAADACAAAAZB4oVNAAAAAWjJYyyAAAABBgX//4Hc' + 'Rem95tlIt5Ys2CDZI+7veDI2NCAtIGNvcmUgMTY0IHIzMTA4IDMxZTE5Zjkg' + 'LSBILjI2NC9NUEVHLTQgQVZDIGNvZGVjIC0gQ29weWxlZnQgMjAwMy0yMDIz' + 'IC0gaHR0cDovL3d3dy52aWRlb2xhbi5vcmcveDI2NC5odG1sIC0gb3B0aW9u' + 'czogY2FiYWM9MCByZWY9NSBkZWJsb2NrPTE6MDowIGFuYWx5c2U9MHgxOjB4' + 'MTExIG1lPWhleCBzdWJtZT04IHBzeT0xIHBzeV9yZD0xLjAwOjAuMDAgbWl4' + 'ZWRfcmVmPTEgbWVfcmFuZ2U9MTYgY2hyb21hX21lPTEgdHJlbGxpcz0yIDh4' + 'OGRjdD0wIGNxbT0wIGRlYWR6b25lPTIxLDExIGZhc3RfcHNraXA9MSBjaHJv' + 'bWFfcXBfb2Zmc2V0PS0yIHRocmVhZHM9MSBsb29rYWhlYWRfdGhyZWFkcz0x' + 'IHNsaWNlZF90aHJlYWRzPTAgbnI9MCBkZWNpbWF0ZT0xIGludGVybGFjZWQ9' + 'MCBibHVyYXlfY29tcGF0PTAgY29uc3RyYWluZWRfaW50cmE9MCBiZnJhbWVz' + 'PTAgd2VpZ2h0cD0wIGtleWludD1pbmZpbml0ZSBrZXlpbnRfbWluPTI1IHNj' + 'ZW5lY3V0PTQwIGludHJhX3JlZnJlc2g9MCByY19sb29rYWhlYWQ9NTAgcmM9' + 'YWJyIG1idHJlZT0xIGJpdHJhdGU9NDAwIHJhdGV0b2w9MS4wIHFjb21wPTAu' + 'NjAgcXBtaW49MCBxcG1heD02OSBxcHN0ZXA9NCBpcF9yYXRpbz0xLjQwIGFx' + 'PTE6MS4wMACAAAABZYiEBrxmKAAPVccAAS044AA5DRJMnkycJk4TPw=='));128 gotframe = false;129 _error = null;130 decoder = new VideoDecoder({131 output: function output(frame) {132 gotframe = true;133 },134 error: function error(e) {135 _error = e;136 }137 });138 chunk = new EncodedVideoChunk({139 timestamp: 0,140 type: 'key',141 data: data142 });143 decoder.configure(config);144 decoder.decode(chunk);145 _context.prev = 15;146 _context.next = 18;147 return decoder.flush();148 case 18:149 _context.next = 23;150 break;151 case 20:152 _context.prev = 20;153 _context.t0 = _context["catch"](15);154 // Firefox incorrectly throws an exception here155 // https://bugzilla.mozilla.org/show_bug.cgi?id=1932566156 _error = _context.t0;157 case 23:158 if (gotframe) {159 _context.next = 25;160 break;161 }162 return _context.abrupt("return", false);163 case 25:164 if (!(_error !== null)) {165 _context.next = 27;166 break;167 }168 return _context.abrupt("return", false);169 case 27:170 return _context.abrupt("return", true);171 case 28:172 case "end":173 return _context.stop();174 }175 }, _callee, null, [[15, 20]]);176 }));177 return _checkWebCodecsH264DecodeSupport2.apply(this, arguments);178}179exports.supportsWebCodecsH264Decode = supportsWebCodecsH264Decode = await _checkWebCodecsH264DecodeSupport();180181/*182 * The functions for detection of platforms and browsers below are exported183 * but the use of these should be minimized as much as possible.184 *185 * It's better to use feature detection than platform detection.186 */187188/* OS */189190function isMac() {191 return !!/mac/i.exec(navigator.platform);192}193function isWindows() {194 return !!/win/i.exec(navigator.platform);195}196function isIOS() {197 return !!/ipad/i.exec(navigator.platform) || !!/iphone/i.exec(navigator.platform) || !!/ipod/i.exec(navigator.platform);198}199function isAndroid() {200 /* Android sets navigator.platform to Linux :/ */201 return !!navigator.userAgent.match('Android ');202}203function isChromeOS() {204 /* ChromeOS sets navigator.platform to Linux :/ */205 return !!navigator.userAgent.match(' CrOS ');206}207208/* Browser */209210function isSafari() {211 return !!navigator.userAgent.match('Safari/...') && !navigator.userAgent.match('Chrome/...') && !navigator.userAgent.match('Chromium/...') && !navigator.userAgent.match('Epiphany/...');212}213function isFirefox() {214 return !!navigator.userAgent.match('Firefox/...') && !navigator.userAgent.match('Seamonkey/...');215}216function isChrome() {217 return !!navigator.userAgent.match('Chrome/...') && !navigator.userAgent.match('Chromium/...') && !navigator.userAgent.match('Edg/...') && !navigator.userAgent.match('OPR/...');218}219function isChromium() {220 return !!navigator.userAgent.match('Chromium/...');221}222function isOpera() {223 return !!navigator.userAgent.match('OPR/...');224}225function isEdge() {226 return !!navigator.userAgent.match('Edg/...');227}228229/* Engine */230231function isGecko() {232 return !!navigator.userAgent.match('Gecko/...');233}234function isWebKit() {235 return !!navigator.userAgent.match('AppleWebKit/...') && !navigator.userAgent.match('Chrome/...');236}237function isBlink() {238 return !!navigator.userAgent.match('Chrome/...');239}