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DetectRTC.js
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DetectRTC.js
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'use strict';
// Last Updated On: 2019-02-27 10:23:56 AM UTC
// ________________
// DetectRTC v1.3.9
// Open-Sourced: https://github.com/muaz-khan/DetectRTC
// --------------------------------------------------
// Muaz Khan - www.MuazKhan.com
// MIT License - www.WebRTC-Experiment.com/licence
// --------------------------------------------------
(function() {
var browserFakeUserAgent = 'Fake/5.0 (FakeOS) AppleWebKit/123 (KHTML, like Gecko) Fake/12.3.4567.89 Fake/123.45';
var isNodejs = typeof process === 'object' && typeof process.versions === 'object' && process.versions.node && /*node-process*/ !process.browser;
if (isNodejs) {
var version = process.versions.node.toString().replace('v', '');
browserFakeUserAgent = 'Nodejs/' + version + ' (NodeOS) AppleWebKit/' + version + ' (KHTML, like Gecko) Nodejs/' + version + ' Nodejs/' + version
}
(function(that) {
if (typeof window !== 'undefined') {
return;
}
if (typeof window === 'undefined' && typeof global !== 'undefined') {
global.navigator = {
userAgent: browserFakeUserAgent,
getUserMedia: function() {}
};
/*global window:true */
that.window = global;
} else if (typeof window === 'undefined') {
// window = this;
}
if (typeof location === 'undefined') {
/*global location:true */
that.location = {
protocol: 'file:',
href: '',
hash: ''
};
}
if (typeof screen === 'undefined') {
/*global screen:true */
that.screen = {
width: 0,
height: 0
};
}
})(typeof global !== 'undefined' ? global : window);
/*global navigator:true */
var navigator = window.navigator;
if (typeof navigator !== 'undefined') {
if (typeof navigator.webkitGetUserMedia !== 'undefined') {
navigator.getUserMedia = navigator.webkitGetUserMedia;
}
if (typeof navigator.mozGetUserMedia !== 'undefined') {
navigator.getUserMedia = navigator.mozGetUserMedia;
}
} else {
navigator = {
getUserMedia: function() {},
userAgent: browserFakeUserAgent
};
}
var isMobileDevice = !!(/Android|webOS|iPhone|iPad|iPod|BB10|BlackBerry|IEMobile|Opera Mini|Mobile|mobile/i.test(navigator.userAgent || ''));
var isEdge = navigator.userAgent.indexOf('Edge') !== -1 && (!!navigator.msSaveOrOpenBlob || !!navigator.msSaveBlob);
var isOpera = !!window.opera || navigator.userAgent.indexOf(' OPR/') >= 0;
var isFirefox = navigator.userAgent.toLowerCase().indexOf('firefox') > -1 && ('netscape' in window) && / rv:/.test(navigator.userAgent);
var isSafari = /^((?!chrome|android).)*safari/i.test(navigator.userAgent);
var isChrome = !!window.chrome && !isOpera;
var isIE = typeof document !== 'undefined' && !!document.documentMode && !isEdge;
// this one can also be used:
// https://www.websocket.org/js/stuff.js (DetectBrowser.js)
function getBrowserInfo() {
var nVer = navigator.appVersion;
var nAgt = navigator.userAgent;
var browserName = navigator.appName;
var fullVersion = '' + parseFloat(navigator.appVersion);
var majorVersion = parseInt(navigator.appVersion, 10);
var nameOffset, verOffset, ix;
// In Opera, the true version is after 'Opera' or after 'Version'
if (isOpera) {
browserName = 'Opera';
try {
fullVersion = navigator.userAgent.split('OPR/')[1].split(' ')[0];
majorVersion = fullVersion.split('.')[0];
} catch (e) {
fullVersion = '0.0.0.0';
majorVersion = 0;
}
}
// In MSIE version <=10, the true version is after 'MSIE' in userAgent
// In IE 11, look for the string after 'rv:'
else if (isIE) {
verOffset = nAgt.indexOf('rv:');
if (verOffset > 0) { //IE 11
fullVersion = nAgt.substring(verOffset + 3);
} else { //IE 10 or earlier
verOffset = nAgt.indexOf('MSIE');
fullVersion = nAgt.substring(verOffset + 5);
}
browserName = 'IE';
}
// In Chrome, the true version is after 'Chrome'
else if (isChrome) {
verOffset = nAgt.indexOf('Chrome');
browserName = 'Chrome';
fullVersion = nAgt.substring(verOffset + 7);
}
// In Safari, the true version is after 'Safari' or after 'Version'
else if (isSafari) {
// both and safri and chrome has same userAgent
if (nAgt.indexOf('CriOS') !== -1) {
verOffset = nAgt.indexOf('CriOS');
browserName = 'Chrome';
fullVersion = nAgt.substring(verOffset + 6);
} else if (nAgt.indexOf('FxiOS') !== -1) {
verOffset = nAgt.indexOf('FxiOS');
browserName = 'Firefox';
fullVersion = nAgt.substring(verOffset + 6);
} else {
verOffset = nAgt.indexOf('Safari');
browserName = 'Safari';
fullVersion = nAgt.substring(verOffset + 7);
if ((verOffset = nAgt.indexOf('Version')) !== -1) {
fullVersion = nAgt.substring(verOffset + 8);
}
if (navigator.userAgent.indexOf('Version/') !== -1) {
fullVersion = navigator.userAgent.split('Version/')[1].split(' ')[0];
}
}
}
// In Firefox, the true version is after 'Firefox'
else if (isFirefox) {
verOffset = nAgt.indexOf('Firefox');
browserName = 'Firefox';
fullVersion = nAgt.substring(verOffset + 8);
}
// In most other browsers, 'name/version' is at the end of userAgent
else if ((nameOffset = nAgt.lastIndexOf(' ') + 1) < (verOffset = nAgt.lastIndexOf('/'))) {
browserName = nAgt.substring(nameOffset, verOffset);
fullVersion = nAgt.substring(verOffset + 1);
if (browserName.toLowerCase() === browserName.toUpperCase()) {
browserName = navigator.appName;
}
}
if (isEdge) {
browserName = 'Edge';
fullVersion = navigator.userAgent.split('Edge/')[1];
// fullVersion = parseInt(navigator.userAgent.match(/Edge\/(\d+).(\d+)$/)[2], 10).toString();
}
// trim the fullVersion string at semicolon/space/bracket if present
if ((ix = fullVersion.search(/[; \)]/)) !== -1) {
fullVersion = fullVersion.substring(0, ix);
}
majorVersion = parseInt('' + fullVersion, 10);
if (isNaN(majorVersion)) {
fullVersion = '' + parseFloat(navigator.appVersion);
majorVersion = parseInt(navigator.appVersion, 10);
}
return {
fullVersion: fullVersion,
version: majorVersion,
name: browserName,
isPrivateBrowsing: false
};
}
// via: https://gist.github.com/cou929/7973956
function retry(isDone, next) {
var currentTrial = 0,
maxRetry = 50,
interval = 10,
isTimeout = false;
var id = window.setInterval(
function() {
if (isDone()) {
window.clearInterval(id);
next(isTimeout);
}
if (currentTrial++ > maxRetry) {
window.clearInterval(id);
isTimeout = true;
next(isTimeout);
}
},
10
);
}
function isIE10OrLater(userAgent) {
var ua = userAgent.toLowerCase();
if (ua.indexOf('msie') === 0 && ua.indexOf('trident') === 0) {
return false;
}
var match = /(?:msie|rv:)\s?([\d\.]+)/.exec(ua);
if (match && parseInt(match[1], 10) >= 10) {
return true;
}
return false;
}
function detectPrivateMode(callback) {
var isPrivate;
try {
if (window.webkitRequestFileSystem) {
window.webkitRequestFileSystem(
window.TEMPORARY, 1,
function() {
isPrivate = false;
},
function(e) {
isPrivate = true;
}
);
} else if (window.indexedDB && /Firefox/.test(window.navigator.userAgent)) {
var db;
try {
db = window.indexedDB.open('test');
db.onerror = function() {
return true;
};
} catch (e) {
isPrivate = true;
}
if (typeof isPrivate === 'undefined') {
retry(
function isDone() {
return db.readyState === 'done' ? true : false;
},
function next(isTimeout) {
if (!isTimeout) {
isPrivate = db.result ? false : true;
}
}
);
}
} else if (isIE10OrLater(window.navigator.userAgent)) {
isPrivate = false;
try {
if (!window.indexedDB) {
isPrivate = true;
}
} catch (e) {
isPrivate = true;
}
} else if (window.localStorage && /Safari/.test(window.navigator.userAgent)) {
try {
window.localStorage.setItem('test', 1);
} catch (e) {
isPrivate = true;
}
if (typeof isPrivate === 'undefined') {
isPrivate = false;
window.localStorage.removeItem('test');
}
}
} catch (e) {
isPrivate = false;
}
retry(
function isDone() {
return typeof isPrivate !== 'undefined' ? true : false;
},
function next(isTimeout) {
callback(isPrivate);
}
);
}
var isMobile = {
Android: function() {
return navigator.userAgent.match(/Android/i);
},
BlackBerry: function() {
return navigator.userAgent.match(/BlackBerry|BB10/i);
},
iOS: function() {
return navigator.userAgent.match(/iPhone|iPad|iPod/i);
},
Opera: function() {
return navigator.userAgent.match(/Opera Mini/i);
},
Windows: function() {
return navigator.userAgent.match(/IEMobile/i);
},
any: function() {
return (isMobile.Android() || isMobile.BlackBerry() || isMobile.iOS() || isMobile.Opera() || isMobile.Windows());
},
getOsName: function() {
var osName = 'Unknown OS';
if (isMobile.Android()) {
osName = 'Android';
}
if (isMobile.BlackBerry()) {
osName = 'BlackBerry';
}
if (isMobile.iOS()) {
osName = 'iOS';
}
if (isMobile.Opera()) {
osName = 'Opera Mini';
}
if (isMobile.Windows()) {
osName = 'Windows';
}
return osName;
}
};
// via: http://jsfiddle.net/ChristianL/AVyND/
function detectDesktopOS() {
var unknown = '-';
var nVer = navigator.appVersion;
var nAgt = navigator.userAgent;
var os = unknown;
var clientStrings = [{
s: 'Chrome OS',
r: /CrOS/
}, {
s: 'Windows 10',
r: /(Windows 10.0|Windows NT 10.0)/
}, {
s: 'Windows 8.1',
r: /(Windows 8.1|Windows NT 6.3)/
}, {
s: 'Windows 8',
r: /(Windows 8|Windows NT 6.2)/
}, {
s: 'Windows 7',
r: /(Windows 7|Windows NT 6.1)/
}, {
s: 'Windows Vista',
r: /Windows NT 6.0/
}, {
s: 'Windows Server 2003',
r: /Windows NT 5.2/
}, {
s: 'Windows XP',
r: /(Windows NT 5.1|Windows XP)/
}, {
s: 'Windows 2000',
r: /(Windows NT 5.0|Windows 2000)/
}, {
s: 'Windows ME',
r: /(Win 9x 4.90|Windows ME)/
}, {
s: 'Windows 98',
r: /(Windows 98|Win98)/
}, {
s: 'Windows 95',
r: /(Windows 95|Win95|Windows_95)/
}, {
s: 'Windows NT 4.0',
r: /(Windows NT 4.0|WinNT4.0|WinNT|Windows NT)/
}, {
s: 'Windows CE',
r: /Windows CE/
}, {
s: 'Windows 3.11',
r: /Win16/
}, {
s: 'Android',
r: /Android/
}, {
s: 'Open BSD',
r: /OpenBSD/
}, {
s: 'Sun OS',
r: /SunOS/
}, {
s: 'Linux',
r: /(Linux|X11)/
}, {
s: 'iOS',
r: /(iPhone|iPad|iPod)/
}, {
s: 'Mac OS X',
r: /Mac OS X/
}, {
s: 'Mac OS',
r: /(MacPPC|MacIntel|Mac_PowerPC|Macintosh)/
}, {
s: 'QNX',
r: /QNX/
}, {
s: 'UNIX',
r: /UNIX/
}, {
s: 'BeOS',
r: /BeOS/
}, {
s: 'OS/2',
r: /OS\/2/
}, {
s: 'Search Bot',
r: /(nuhk|Googlebot|Yammybot|Openbot|Slurp|MSNBot|Ask Jeeves\/Teoma|ia_archiver)/
}];
for (var i = 0, cs; cs = clientStrings[i]; i++) {
if (cs.r.test(nAgt)) {
os = cs.s;
break;
}
}
var osVersion = unknown;
if (/Windows/.test(os)) {
if (/Windows (.*)/.test(os)) {
osVersion = /Windows (.*)/.exec(os)[1];
}
os = 'Windows';
}
switch (os) {
case 'Mac OS X':
if (/Mac OS X (10[\.\_\d]+)/.test(nAgt)) {
osVersion = /Mac OS X (10[\.\_\d]+)/.exec(nAgt)[1];
}
break;
case 'Android':
if (/Android ([\.\_\d]+)/.test(nAgt)) {
osVersion = /Android ([\.\_\d]+)/.exec(nAgt)[1];
}
break;
case 'iOS':
if (/OS (\d+)_(\d+)_?(\d+)?/.test(nAgt)) {
osVersion = /OS (\d+)_(\d+)_?(\d+)?/.exec(nVer);
osVersion = osVersion[1] + '.' + osVersion[2] + '.' + (osVersion[3] | 0);
}
break;
}
return {
osName: os,
osVersion: osVersion
};
}
var osName = 'Unknown OS';
var osVersion = 'Unknown OS Version';
function getAndroidVersion(ua) {
ua = (ua || navigator.userAgent).toLowerCase();
var match = ua.match(/android\s([0-9\.]*)/);
return match ? match[1] : false;
}
var osInfo = detectDesktopOS();
if (osInfo && osInfo.osName && osInfo.osName != '-') {
osName = osInfo.osName;
osVersion = osInfo.osVersion;
} else if (isMobile.any()) {
osName = isMobile.getOsName();
if (osName == 'Android') {
osVersion = getAndroidVersion();
}
}
var isNodejs = typeof process === 'object' && typeof process.versions === 'object' && process.versions.node;
if (osName === 'Unknown OS' && isNodejs) {
osName = 'Nodejs';
osVersion = process.versions.node.toString().replace('v', '');
}
var isCanvasSupportsStreamCapturing = false;
var isVideoSupportsStreamCapturing = false;
['captureStream', 'mozCaptureStream', 'webkitCaptureStream'].forEach(function(item) {
if (typeof document === 'undefined' || typeof document.createElement !== 'function') {
return;
}
if (!isCanvasSupportsStreamCapturing && item in document.createElement('canvas')) {
isCanvasSupportsStreamCapturing = true;
}
if (!isVideoSupportsStreamCapturing && item in document.createElement('video')) {
isVideoSupportsStreamCapturing = true;
}
});
var regexIpv4Local = /^(192\.168\.|169\.254\.|10\.|172\.(1[6-9]|2\d|3[01]))/,
regexIpv4 = /([0-9]{1,3}(\.[0-9]{1,3}){3})/,
regexIpv6 = /[a-f0-9]{1,4}(:[a-f0-9]{1,4}){7}/;
// via: https://github.com/diafygi/webrtc-ips
function DetectLocalIPAddress(callback, stream) {
if (!DetectRTC.isWebRTCSupported) {
return;
}
var isPublic = true,
isIpv4 = true;
getIPs(function(ip) {
if (!ip) {
callback(); // Pass nothing to tell that ICE-gathering-ended
} else if (ip.match(regexIpv4Local)) {
isPublic = false;
callback('Local: ' + ip, isPublic, isIpv4);
} else if (ip.match(regexIpv6)) { //via https://ourcodeworld.com/articles/read/257/how-to-get-the-client-ip-address-with-javascript-only
isIpv4 = false;
callback('Public: ' + ip, isPublic, isIpv4);
} else {
callback('Public: ' + ip, isPublic, isIpv4);
}
}, stream);
}
function getIPs(callback, stream) {
if (typeof document === 'undefined' || typeof document.getElementById !== 'function') {
return;
}
var ipDuplicates = {};
var RTCPeerConnection = window.RTCPeerConnection || window.mozRTCPeerConnection || window.webkitRTCPeerConnection;
if (!RTCPeerConnection) {
var iframe = document.getElementById('iframe');
if (!iframe) {
return;
}
var win = iframe.contentWindow;
RTCPeerConnection = win.RTCPeerConnection || win.mozRTCPeerConnection || win.webkitRTCPeerConnection;
}
if (!RTCPeerConnection) {
return;
}
var peerConfig = null;
if (DetectRTC.browser === 'Chrome' && DetectRTC.browser.version < 58) {
// todo: add support for older Opera
peerConfig = {
optional: [{
RtpDataChannels: true
}]
};
}
var servers = {
iceServers: [{
urls: 'stun:stun.l.google.com:19302'
}]
};
var pc = new RTCPeerConnection(servers, peerConfig);
if (stream) {
if (pc.addStream) {
pc.addStream(stream);
} else if (pc.addTrack && stream.getTracks()[0]) {
pc.addTrack(stream.getTracks()[0], stream);
}
}
function handleCandidate(candidate) {
if (!candidate) {
callback(); // Pass nothing to tell that ICE-gathering-ended
return;
}
var match = regexIpv4.exec(candidate);
if (!match) {
return;
}
var ipAddress = match[1];
var isPublic = (candidate.match(regexIpv4Local)),
isIpv4 = true;
if (ipDuplicates[ipAddress] === undefined) {
callback(ipAddress, isPublic, isIpv4);
}
ipDuplicates[ipAddress] = true;
}
// listen for candidate events
pc.onicecandidate = function(event) {
if (event.candidate && event.candidate.candidate) {
handleCandidate(event.candidate.candidate);
} else {
handleCandidate(); // Pass nothing to tell that ICE-gathering-ended
}
};
// create data channel
if (!stream) {
try {
pc.createDataChannel('sctp', {});
} catch (e) {}
}
// create an offer sdp
if (DetectRTC.isPromisesSupported) {
pc.createOffer().then(function(result) {
pc.setLocalDescription(result).then(afterCreateOffer);
});
} else {
pc.createOffer(function(result) {
pc.setLocalDescription(result, afterCreateOffer, function() {});
}, function() {});
}
function afterCreateOffer() {
var lines = pc.localDescription.sdp.split('\n');
lines.forEach(function(line) {
if (line && line.indexOf('a=candidate:') === 0) {
handleCandidate(line);
}
});
}
}
var MediaDevices = [];
var audioInputDevices = [];
var audioOutputDevices = [];
var videoInputDevices = [];
if (navigator.mediaDevices && navigator.mediaDevices.enumerateDevices) {
// Firefox 38+ seems having support of enumerateDevices
// Thanks @xdumaine/enumerateDevices
navigator.enumerateDevices = function(callback) {
var enumerateDevices = navigator.mediaDevices.enumerateDevices();
if (enumerateDevices && enumerateDevices.then) {
navigator.mediaDevices.enumerateDevices().then(callback).catch(function() {
callback([]);
});
} else {
callback([]);
}
};
}
// Media Devices detection
var canEnumerate = false;
/*global MediaStreamTrack:true */
if (typeof MediaStreamTrack !== 'undefined' && 'getSources' in MediaStreamTrack) {
canEnumerate = true;
} else if (navigator.mediaDevices && !!navigator.mediaDevices.enumerateDevices) {
canEnumerate = true;
}
var hasMicrophone = false;
var hasSpeakers = false;
var hasWebcam = false;
var isWebsiteHasMicrophonePermissions = false;
var isWebsiteHasWebcamPermissions = false;
// http://dev.w3.org/2011/webrtc/editor/getusermedia.html#mediadevices
function checkDeviceSupport(callback) {
if (!canEnumerate) {
if (callback) {
callback();
}
return;
}
if (!navigator.enumerateDevices && window.MediaStreamTrack && window.MediaStreamTrack.getSources) {
navigator.enumerateDevices = window.MediaStreamTrack.getSources.bind(window.MediaStreamTrack);
}
if (!navigator.enumerateDevices && navigator.enumerateDevices) {
navigator.enumerateDevices = navigator.enumerateDevices.bind(navigator);
}
if (!navigator.enumerateDevices) {
if (callback) {
callback();
}
return;
}
MediaDevices = [];
audioInputDevices = [];
audioOutputDevices = [];
videoInputDevices = [];
hasMicrophone = false;
hasSpeakers = false;
hasWebcam = false;
isWebsiteHasMicrophonePermissions = false;
isWebsiteHasWebcamPermissions = false;
// to prevent duplication
var alreadyUsedDevices = {};
navigator.enumerateDevices(function(devices) {
devices.forEach(function(_device) {
var device = {};
for (var d in _device) {
try {
if (typeof _device[d] !== 'function') {
device[d] = _device[d];
}
} catch (e) {}
}
if (alreadyUsedDevices[device.deviceId + device.label + device.kind]) {
return;
}
// if it is MediaStreamTrack.getSources
if (device.kind === 'audio') {
device.kind = 'audioinput';
}
if (device.kind === 'video') {
device.kind = 'videoinput';
}
if (!device.deviceId) {
device.deviceId = device.id;
}
if (!device.id) {
device.id = device.deviceId;
}
if (!device.label) {
device.isCustomLabel = true;
if (device.kind === 'videoinput') {
device.label = 'Camera ' + (videoInputDevices.length + 1);
} else if (device.kind === 'audioinput') {
device.label = 'Microphone ' + (audioInputDevices.length + 1);
} else if (device.kind === 'audiooutput') {
device.label = 'Speaker ' + (audioOutputDevices.length + 1);
} else {
device.label = 'Please invoke getUserMedia once.';
}
if (typeof DetectRTC !== 'undefined' && DetectRTC.browser.isChrome && DetectRTC.browser.version >= 46 && !/^(https:|chrome-extension:)$/g.test(location.protocol || '')) {
if (typeof document !== 'undefined' && typeof document.domain === 'string' && document.domain.search && document.domain.search(/localhost|127.0./g) === -1) {
device.label = 'HTTPs is required to get label of this ' + device.kind + ' device.';
}
}
} else {
// Firefox on Android still returns empty label
if (device.kind === 'videoinput' && !isWebsiteHasWebcamPermissions) {
isWebsiteHasWebcamPermissions = true;
}
if (device.kind === 'audioinput' && !isWebsiteHasMicrophonePermissions) {
isWebsiteHasMicrophonePermissions = true;
}
}
if (device.kind === 'audioinput') {
hasMicrophone = true;
if (audioInputDevices.indexOf(device) === -1) {
audioInputDevices.push(device);
}
}
if (device.kind === 'audiooutput') {
hasSpeakers = true;
if (audioOutputDevices.indexOf(device) === -1) {
audioOutputDevices.push(device);
}
}
if (device.kind === 'videoinput') {
hasWebcam = true;
if (videoInputDevices.indexOf(device) === -1) {
videoInputDevices.push(device);
}
}
// there is no 'videoouput' in the spec.
MediaDevices.push(device);
alreadyUsedDevices[device.deviceId + device.label + device.kind] = device;
});
if (typeof DetectRTC !== 'undefined') {
// to sync latest outputs
DetectRTC.MediaDevices = MediaDevices;
DetectRTC.hasMicrophone = hasMicrophone;
DetectRTC.hasSpeakers = hasSpeakers;
DetectRTC.hasWebcam = hasWebcam;
DetectRTC.isWebsiteHasWebcamPermissions = isWebsiteHasWebcamPermissions;
DetectRTC.isWebsiteHasMicrophonePermissions = isWebsiteHasMicrophonePermissions;
DetectRTC.audioInputDevices = audioInputDevices;
DetectRTC.audioOutputDevices = audioOutputDevices;
DetectRTC.videoInputDevices = videoInputDevices;
}
if (callback) {
callback();
}
});
}
var DetectRTC = window.DetectRTC || {};
// ----------
// DetectRTC.browser.name || DetectRTC.browser.version || DetectRTC.browser.fullVersion
DetectRTC.browser = getBrowserInfo();
detectPrivateMode(function(isPrivateBrowsing) {
DetectRTC.browser.isPrivateBrowsing = !!isPrivateBrowsing;
});
// DetectRTC.isChrome || DetectRTC.isFirefox || DetectRTC.isEdge
DetectRTC.browser['is' + DetectRTC.browser.name] = true;
// -----------
DetectRTC.osName = osName;
DetectRTC.osVersion = osVersion;
var isNodeWebkit = typeof process === 'object' && typeof process.versions === 'object' && process.versions['node-webkit'];
// --------- Detect if system supports WebRTC 1.0 or WebRTC 1.1.
var isWebRTCSupported = false;
['RTCPeerConnection', 'webkitRTCPeerConnection', 'mozRTCPeerConnection', 'RTCIceGatherer'].forEach(function(item) {
if (isWebRTCSupported) {
return;
}
if (item in window) {
isWebRTCSupported = true;
}
});
DetectRTC.isWebRTCSupported = isWebRTCSupported;
//-------
DetectRTC.isORTCSupported = typeof RTCIceGatherer !== 'undefined';
// --------- Detect if system supports screen capturing API
var isScreenCapturingSupported = false;
if (DetectRTC.browser.isChrome && DetectRTC.browser.version >= 35) {
isScreenCapturingSupported = true;
} else if (DetectRTC.browser.isFirefox && DetectRTC.browser.version >= 34) {
isScreenCapturingSupported = true;
} else if (DetectRTC.browser.isEdge && DetectRTC.browser.version >= 17) {
isScreenCapturingSupported = true;
} else if (DetectRTC.osName === 'Android' && DetectRTC.browser.isChrome) {
isScreenCapturingSupported = true;
}
if (!!navigator.getDisplayMedia || (navigator.mediaDevices && navigator.mediaDevices.getDisplayMedia)) {
isScreenCapturingSupported = true;
}
if (!/^(https:|chrome-extension:)$/g.test(location.protocol || '')) {
var isNonLocalHost = typeof document !== 'undefined' && typeof document.domain === 'string' && document.domain.search && document.domain.search(/localhost|127.0./g) === -1;
if (isNonLocalHost && (DetectRTC.browser.isChrome || DetectRTC.browser.isEdge || DetectRTC.browser.isOpera)) {
isScreenCapturingSupported = false;
} else if (DetectRTC.browser.isFirefox) {
isScreenCapturingSupported = false;
}
}
DetectRTC.isScreenCapturingSupported = isScreenCapturingSupported;
// --------- Detect if WebAudio API are supported
var webAudio = {
isSupported: false,
isCreateMediaStreamSourceSupported: false
};
['AudioContext', 'webkitAudioContext', 'mozAudioContext', 'msAudioContext'].forEach(function(item) {
if (webAudio.isSupported) {
return;
}
if (item in window) {
webAudio.isSupported = true;
if (window[item] && 'createMediaStreamSource' in window[item].prototype) {
webAudio.isCreateMediaStreamSourceSupported = true;
}
}
});
DetectRTC.isAudioContextSupported = webAudio.isSupported;
DetectRTC.isCreateMediaStreamSourceSupported = webAudio.isCreateMediaStreamSourceSupported;
// ---------- Detect if SCTP/RTP channels are supported.
var isRtpDataChannelsSupported = false;
if (DetectRTC.browser.isChrome && DetectRTC.browser.version > 31) {
isRtpDataChannelsSupported = true;
}
DetectRTC.isRtpDataChannelsSupported = isRtpDataChannelsSupported;
var isSCTPSupportd = false;
if (DetectRTC.browser.isFirefox && DetectRTC.browser.version > 28) {
isSCTPSupportd = true;
} else if (DetectRTC.browser.isChrome && DetectRTC.browser.version > 25) {
isSCTPSupportd = true;
} else if (DetectRTC.browser.isOpera && DetectRTC.browser.version >= 11) {
isSCTPSupportd = true;
}
DetectRTC.isSctpDataChannelsSupported = isSCTPSupportd;
// ---------
DetectRTC.isMobileDevice = isMobileDevice; // "isMobileDevice" boolean is defined in "getBrowserInfo.js"
// ------
var isGetUserMediaSupported = false;
if (navigator.getUserMedia) {
isGetUserMediaSupported = true;
} else if (navigator.mediaDevices && navigator.mediaDevices.getUserMedia) {
isGetUserMediaSupported = true;
}
if (DetectRTC.browser.isChrome && DetectRTC.browser.version >= 46 && !/^(https:|chrome-extension:)$/g.test(location.protocol || '')) {
if (typeof document !== 'undefined' && typeof document.domain === 'string' && document.domain.search && document.domain.search(/localhost|127.0./g) === -1) {
isGetUserMediaSupported = 'Requires HTTPs';
}
}
if (DetectRTC.osName === 'Nodejs') {
isGetUserMediaSupported = false;
}
DetectRTC.isGetUserMediaSupported = isGetUserMediaSupported;
var displayResolution = '';
if (screen.width) {
var width = (screen.width) ? screen.width : '';
var height = (screen.height) ? screen.height : '';
displayResolution += '' + width + ' x ' + height;
}
DetectRTC.displayResolution = displayResolution;
function getAspectRatio(w, h) {
function gcd(a, b) {
return (b == 0) ? a : gcd(b, a % b);
}
var r = gcd(w, h);
return (w / r) / (h / r);
}
DetectRTC.displayAspectRatio = getAspectRatio(screen.width, screen.height).toFixed(2);
// ----------
DetectRTC.isCanvasSupportsStreamCapturing = isCanvasSupportsStreamCapturing;
DetectRTC.isVideoSupportsStreamCapturing = isVideoSupportsStreamCapturing;
if (DetectRTC.browser.name == 'Chrome' && DetectRTC.browser.version >= 53) {
if (!DetectRTC.isCanvasSupportsStreamCapturing) {
DetectRTC.isCanvasSupportsStreamCapturing = 'Requires chrome flag: enable-experimental-web-platform-features';