rtcmulticonnection/dist/RTCMultiConnection.min.js

RTCMultiConnection is a WebRTC JavaScript wrapper library runs top over RTCPeerConnection API to support all possible peer-to-peer features.

'use strict';

// Last time updated: 2020-08-26 8:55:14 AM UTC

// _________________________
// RTCMultiConnection v3.7.0

// Open-Sourced: https://github.com/muaz-khan/RTCMultiConnection

// --------------------------------------------------
// Muaz Khan     - www.MuazKhan.com
// MIT License   - www.WebRTC-Experiment.com/licence
// --------------------------------------------------

"use strict";var RTCMultiConnection=function(roomid,forceOptions){function SocketConnection(connection,connectCallback){function isData(session){return!session.audio&&!session.video&&!session.screen&&session.data}function updateExtraBackup(remoteUserId,extra){connection.peersBackup[remoteUserId]||(connection.peersBackup[remoteUserId]={userid:remoteUserId,extra:{}}),connection.peersBackup[remoteUserId].extra=extra}function onMessageEvent(message){if(message.remoteUserId==connection.userid){if(connection.peers[message.sender]&&connection.peers[message.sender].extra!=message.message.extra&&(connection.peers[message.sender].extra=message.extra,connection.onExtraDataUpdated({userid:message.sender,extra:message.extra}),updateExtraBackup(message.sender,message.extra)),message.message.streamSyncNeeded&&connection.peers[message.sender]){var stream=connection.streamEvents[message.message.streamid];if(!stream||!stream.stream)return;var action=message.message.action;if("ended"===action||"inactive"===action||"stream-removed"===action)return connection.peersBackup[stream.userid]&&(stream.extra=connection.peersBackup[stream.userid].extra),void connection.onstreamended(stream);var type="both"!=message.message.type?message.message.type:null;return void("function"==typeof stream.stream[action]&&stream.stream[action](type))}if("dropPeerConnection"===message.message)return void connection.deletePeer(message.sender);if(message.message.allParticipants)return message.message.allParticipants.indexOf(message.sender)===-1&&message.message.allParticipants.push(message.sender),void message.message.allParticipants.forEach(function(participant){mPeer[connection.peers[participant]?"renegotiatePeer":"createNewPeer"](participant,{localPeerSdpConstraints:{OfferToReceiveAudio:connection.sdpConstraints.mandatory.OfferToReceiveAudio,OfferToReceiveVideo:connection.sdpConstraints.mandatory.OfferToReceiveVideo},remotePeerSdpConstraints:{OfferToReceiveAudio:connection.session.oneway?!!connection.session.audio:connection.sdpConstraints.mandatory.OfferToReceiveAudio,OfferToReceiveVideo:connection.session.oneway?!!connection.session.video||!!connection.session.screen:connection.sdpConstraints.mandatory.OfferToReceiveVideo},isOneWay:!!connection.session.oneway||"one-way"===connection.direction,isDataOnly:isData(connection.session)})});if(message.message.newParticipant){if(message.message.newParticipant==connection.userid)return;if(connection.peers[message.message.newParticipant])return;return void mPeer.createNewPeer(message.message.newParticipant,message.message.userPreferences||{localPeerSdpConstraints:{OfferToReceiveAudio:connection.sdpConstraints.mandatory.OfferToReceiveAudio,OfferToReceiveVideo:connection.sdpConstraints.mandatory.OfferToReceiveVideo},remotePeerSdpConstraints:{OfferToReceiveAudio:connection.session.oneway?!!connection.session.audio:connection.sdpConstraints.mandatory.OfferToReceiveAudio,OfferToReceiveVideo:connection.session.oneway?!!connection.session.video||!!connection.session.screen:connection.sdpConstraints.mandatory.OfferToReceiveVideo},isOneWay:!!connection.session.oneway||"one-way"===connection.direction,isDataOnly:isData(connection.session)})}if(message.message.readyForOffer&&(connection.attachStreams.length&&(connection.waitingForLocalMedia=!1),connection.waitingForLocalMedia))return void setTimeout(function(){onMessageEvent(message)},1);if(message.message.newParticipationRequest&&message.sender!==connection.userid){connection.peers[message.sender]&&connection.deletePeer(message.sender);var userPreferences={extra:message.extra||{},localPeerSdpConstraints:message.message.remotePeerSdpConstraints||{OfferToReceiveAudio:connection.sdpConstraints.mandatory.OfferToReceiveAudio,OfferToReceiveVideo:connection.sdpConstraints.mandatory.OfferToReceiveVideo},remotePeerSdpConstraints:message.message.localPeerSdpConstraints||{OfferToReceiveAudio:connection.session.oneway?!!connection.session.audio:connection.sdpConstraints.mandatory.OfferToReceiveAudio,OfferToReceiveVideo:connection.session.oneway?!!connection.session.video||!!connection.session.screen:connection.sdpConstraints.mandatory.OfferToReceiveVideo},isOneWay:"undefined"!=typeof message.message.isOneWay?message.message.isOneWay:!!connection.session.oneway||"one-way"===connection.direction,isDataOnly:"undefined"!=typeof message.message.isDataOnly?message.message.isDataOnly:isData(connection.session),dontGetRemoteStream:"undefined"!=typeof message.message.isOneWay?message.message.isOneWay:!!connection.session.oneway||"one-way"===connection.direction,dontAttachLocalStream:!!message.message.dontGetRemoteStream,connectionDescription:message,successCallback:function(){}};return void connection.onNewParticipant(message.sender,userPreferences)}return message.message.changedUUID&&connection.peers[message.message.oldUUID]&&(connection.peers[message.message.newUUID]=connection.peers[message.message.oldUUID],delete connection.peers[message.message.oldUUID]),message.message.userLeft?(mPeer.onUserLeft(message.sender),void(message.message.autoCloseEntireSession&&connection.leave())):void mPeer.addNegotiatedMessage(message.message,message.sender)}}var parameters="";parameters+="?userid="+connection.userid,parameters+="&sessionid="+connection.sessionid,parameters+="&msgEvent="+connection.socketMessageEvent,parameters+="&socketCustomEvent="+connection.socketCustomEvent,parameters+="&autoCloseEntireSession="+!!connection.autoCloseEntireSession,connection.session.broadcast===!0&&(parameters+="&oneToMany=true"),parameters+="&maxParticipantsAllowed="+connection.maxParticipantsAllowed,connection.enableScalableBroadcast&&(parameters+="&enableScalableBroadcast=true",parameters+="&maxRelayLimitPerUser="+(connection.maxRelayLimitPerUser||2)),parameters+="&extra="+JSON.stringify(connection.extra||{}),connection.socketCustomParameters&&(parameters+=connection.socketCustomParameters);try{io.sockets={}}catch(e){}if(connection.socketURL||(connection.socketURL="/"),"/"!=connection.socketURL.substr(connection.socketURL.length-1,1))throw'"socketURL" MUST end with a slash.';connection.enableLogs&&("/"==connection.socketURL?console.info("socket.io url is: ",location.origin+"/"):console.info("socket.io url is: ",connection.socketURL));try{connection.socket=io(connection.socketURL+parameters)}catch(e){connection.socket=io.connect(connection.socketURL+parameters,connection.socketOptions)}var mPeer=connection.multiPeersHandler;connection.socket.on("extra-data-updated",function(remoteUserId,extra){connection.peers[remoteUserId]&&(connection.peers[remoteUserId].extra=extra,connection.onExtraDataUpdated({userid:remoteUserId,extra:extra}),updateExtraBackup(remoteUserId,extra))}),connection.socket.on(connection.socketMessageEvent,onMessageEvent);var alreadyConnected=!1;connection.socket.resetProps=function(){alreadyConnected=!1},connection.socket.on("connect",function(){alreadyConnected||(alreadyConnected=!0,connection.enableLogs&&console.info("socket.io connection is opened."),setTimeout(function(){connection.socket.emit("extra-data-updated",connection.extra)},1e3),connectCallback&&connectCallback(connection.socket))}),connection.socket.on("disconnect",function(event){connection.onSocketDisconnect(event)}),connection.socket.on("error",function(event){connection.onSocketError(event)}),connection.socket.on("user-disconnected",function(remoteUserId){remoteUserId!==connection.userid&&(connection.onUserStatusChanged({userid:remoteUserId,status:"offline",extra:connection.peers[remoteUserId]?connection.peers[remoteUserId].extra||{}:{}}),connection.deletePeer(remoteUserId))}),connection.socket.on("user-connected",function(userid){userid!==connection.userid&&connection.onUserStatusChanged({userid:userid,status:"online",extra:connection.peers[userid]?connection.peers[userid].extra||{}:{}})}),connection.socket.on("closed-entire-session",function(sessionid,extra){connection.leave(),connection.onEntireSessionClosed({sessionid:sessionid,userid:sessionid,extra:extra})}),connection.socket.on("userid-already-taken",function(useridAlreadyTaken,yourNewUserId){connection.onUserIdAlreadyTaken(useridAlreadyTaken,yourNewUserId)}),connection.socket.on("logs",function(log){connection.enableLogs&&console.debug("server-logs",log)}),connection.socket.on("number-of-broadcast-viewers-updated",function(data){connection.onNumberOfBroadcastViewersUpdated(data)}),connection.socket.on("set-isInitiator-true",function(sessionid){sessionid==connection.sessionid&&(connection.isInitiator=!0)})}function MultiPeers(connection){function initFileBufferReader(){connection.fbr=new FileBufferReader,connection.fbr.onProgress=function(chunk){connection.onFileProgress(chunk)},connection.fbr.onBegin=function(file){connection.onFileStart(file)},connection.fbr.onEnd=function(file){connection.onFileEnd(file)}}var self=this,skipPeers=["getAllParticipants","getLength","selectFirst","streams","send","forEach"];connection.peers={getLength:function(){var numberOfPeers=0;for(var peer in this)skipPeers.indexOf(peer)==-1&&numberOfPeers++;return numberOfPeers},selectFirst:function(){var firstPeer;for(var peer in this)skipPeers.indexOf(peer)==-1&&(firstPeer=this[peer]);return firstPeer},getAllParticipants:function(sender){var allPeers=[];for(var peer in this)skipPeers.indexOf(peer)==-1&&peer!=sender&&allPeers.push(peer);return allPeers},forEach:function(callback){this.getAllParticipants().forEach(function(participant){callback(connection.peers[participant])})},send:function(data,remoteUserId){var that=this;if(!isNull(data.size)&&!isNull(data.type)){if(connection.enableFileSharing)return void self.shareFile(data,remoteUserId);"string"!=typeof data&&(data=JSON.stringify(data))}if(!("text"===data.type||data instanceof ArrayBuffer||data instanceof DataView))return void TextSender.send({text:data,channel:this,connection:connection,remoteUserId:remoteUserId});if("text"===data.type&&(data=JSON.stringify(data)),remoteUserId){var remoteUser=connection.peers[remoteUserId];if(remoteUser)return remoteUser.channels.length?void remoteUser.channels.forEach(function(channel){channel.send(data)}):(connection.peers[remoteUserId].createDataChannel(),connection.renegotiate(remoteUserId),void setTimeout(function(){that.send(data,remoteUserId)},3e3))}this.getAllParticipants().forEach(function(participant){return that[participant].channels.length?void that[participant].channels.forEach(function(channel){channel.send(data)}):(connection.peers[participant].createDataChannel(),connection.renegotiate(participant),void setTimeout(function(){that[participant].channels.forEach(function(channel){channel.send(data)})},3e3))})}},this.uuid=connection.userid,this.getLocalConfig=function(remoteSdp,remoteUserId,userPreferences){return userPreferences||(userPreferences={}),{streamsToShare:userPreferences.streamsToShare||{},rtcMultiConnection:connection,connectionDescription:userPreferences.connectionDescription,userid:remoteUserId,localPeerSdpConstraints:userPreferences.localPeerSdpConstraints,remotePeerSdpConstraints:userPreferences.remotePeerSdpConstraints,dontGetRemoteStream:!!userPreferences.dontGetRemoteStream,dontAttachLocalStream:!!userPreferences.dontAttachLocalStream,renegotiatingPeer:!!userPreferences.renegotiatingPeer,peerRef:userPreferences.peerRef,channels:userPreferences.channels||[],onLocalSdp:function(localSdp){self.onNegotiationNeeded(localSdp,remoteUserId)},onLocalCandidate:function(localCandidate){localCandidate=OnIceCandidateHandler.processCandidates(connection,localCandidate),localCandidate&&self.onNegotiationNeeded(localCandidate,remoteUserId)},remoteSdp:remoteSdp,onDataChannelMessage:function(message){if(!connection.fbr&&connection.enableFileSharing&&initFileBufferReader(),"string"==typeof message||!connection.enableFileSharing)return void self.onDataChannelMessage(message,remoteUserId);var that=this;return message instanceof ArrayBuffer||message instanceof DataView?void connection.fbr.convertToObject(message,function(object){that.onDataChannelMessage(object)}):message.readyForNextChunk?void connection.fbr.getNextChunk(message,function(nextChunk,isLastChunk){connection.peers[remoteUserId].channels.forEach(function(channel){channel.send(nextChunk)})},remoteUserId):message.chunkMissing?void connection.fbr.chunkMissing(message):void connection.fbr.addChunk(message,function(promptNextChunk){connection.peers[remoteUserId].peer.channel.send(promptNextChunk)})},onDataChannelError:function(error){self.onDataChannelError(error,remoteUserId)},onDataChannelOpened:function(channel){self.onDataChannelOpened(channel,remoteUserId)},onDataChannelClosed:function(event){self.onDataChannelClosed(event,remoteUserId)},onRemoteStream:function(stream){connection.peers[remoteUserId]&&connection.peers[remoteUserId].streams.push(stream),self.onGettingRemoteMedia(stream,remoteUserId)},onRemoteStreamRemoved:function(stream){self.onRemovingRemoteMedia(stream,remoteUserId)},onPeerStateChanged:function(states){self.onPeerStateChanged(states),"new"===states.iceConnectionState&&self.onNegotiationStarted(remoteUserId,states),"connected"===states.iceConnectionState&&self.onNegotiationCompleted(remoteUserId,states),states.iceConnectionState.search(/closed|failed/gi)!==-1&&(self.onUserLeft(remoteUserId),self.disconnectWith(remoteUserId))}}},this.createNewPeer=function(remoteUserId,userPreferences){if(!(connection.maxParticipantsAllowed<=connection.getAllParticipants().length)){if(userPreferences=userPreferences||{},connection.isInitiator&&connection.session.audio&&"two-way"===connection.session.audio&&!userPreferences.streamsToShare&&(userPreferences.isOneWay=!1,userPreferences.isDataOnly=!1,userPreferences.session=connection.session),!userPreferences.isOneWay&&!userPreferences.isDataOnly)return userPreferences.isOneWay=!0,void this.onNegotiationNeeded({enableMedia:!0,userPreferences:userPreferences},remoteUserId);userPreferences=connection.setUserPreferences(userPreferences,remoteUserId);var localConfig=this.getLocalConfig(null,remoteUserId,userPreferences);connection.peers[remoteUserId]=new PeerInitiator(localConfig)}},this.createAnsweringPeer=function(remoteSdp,remoteUserId,userPreferences){userPreferences=connection.setUserPreferences(userPreferences||{},remoteUserId);var localConfig=this.getLocalConfig(remoteSdp,remoteUserId,userPreferences);connection.peers[remoteUserId]=new PeerInitiator(localConfig)},this.renegotiatePeer=function(remoteUserId,userPreferences,remoteSdp){if(!connection.peers[remoteUserId])return void(connection.enableLogs&&console.error("Peer ("+remoteUserId+") does not exist. Renegotiation skipped."));userPreferences||(userPreferences={}),userPreferences.renegotiatingPeer=!0,userPreferences.peerRef=connection.peers[remoteUserId].peer,userPreferences.channels=connection.peers[remoteUserId].channels;var localConfig=this.getLocalConfig(remoteSdp,remoteUserId,userPreferences);connection.peers[remoteUserId]=new PeerInitiator(localConfig)},this.replaceTrack=function(track,remoteUserId,isVideoTrack){if(!connection.peers[remoteUserId])throw"This peer ("+remoteUserId+") does not exist.";var peer=connection.peers[remoteUserId].peer;return peer.getSenders&&"function"==typeof peer.getSenders&&peer.getSenders().length?void peer.getSenders().forEach(function(rtpSender){isVideoTrack&&"video"===rtpSender.track.kind&&(connection.peers[remoteUserId].peer.lastVideoTrack=rtpSender.track,rtpSender.replaceTrack(track)),isVideoTrack||"audio"!==rtpSender.track.kind||(connection.peers[remoteUserId].peer.lastAudioTrack=rtpSender.track,rtpSender.replaceTrack(track))}):(console.warn("RTPSender.replaceTrack is NOT supported."),void this.renegotiatePeer(remoteUserId))},this.onNegotiationNeeded=function(message,remoteUserId){},this.addNegotiatedMessage=function(message,remoteUserId){if(message.type&&message.sdp)return"answer"==message.type&&connection.peers[remoteUserId]&&connection.peers[remoteUserId].addRemoteSdp(message),"offer"==message.type&&(message.renegotiatingPeer?this.renegotiatePeer(remoteUserId,null,message):this.createAnsweringPeer(message,remoteUserId)),void(connection.enableLogs&&console.log("Remote peer's sdp:",message.sdp));if(message.candidate)return connection.peers[remoteUserId]&&connection.peers[remoteUserId].addRemoteCandidate(message),void(connection.enableLogs&&console.log("Remote peer's candidate pairs:",message.candidate));if(message.enableMedia){connection.session=message.userPreferences.session||connection.session,connection.session.oneway&&connection.attachStreams.length&&(connection.attachStreams=[]),message.userPreferences.isDataOnly&&connection.attachStreams.length&&(connection.attachStreams.length=[]);var streamsToShare={};connection.attachStreams.forEach(function(stream){streamsToShare[stream.streamid]={isAudio:!!stream.isAudio,isVideo:!!stream.isVideo,isScreen:!!stream.isScreen}}),message.userPreferences.streamsToShare=streamsToShare,self.onNegotiationNeeded({readyForOffer:!0,userPreferences:message.userPreferences},remoteUserId)}message.readyForOffer&&connection.onReadyForOffer(remoteUserId,message.userPreferences)},this.onGettingRemoteMedia=function(stream,remoteUserId){},this.onRemovingRemoteMedia=function(stream,remoteUserId){},this.onGettingLocalMedia=function(localStream){},this.onLocalMediaError=function(error,constraints){connection.onMediaError(error,constraints)},this.shareFile=function(file,remoteUserId){initFileBufferReader(),connection.fbr.readAsArrayBuffer(file,function(uuid){var arrayOfUsers=connection.getAllParticipants();remoteUserId&&(arrayOfUsers=[remoteUserId]),arrayOfUsers.forEach(function(participant){connection.fbr.getNextChunk(uuid,function(nextChunk){connection.peers[participant].channels.forEach(function(channel){channel.send(nextChunk)})},participant)})},{userid:connection.userid,chunkSize:"Firefox"===DetectRTC.browser.name?15e3:connection.chunkSize||0})};var textReceiver=new TextReceiver(connection);this.onDataChannelMessage=function(message,remoteUserId){textReceiver.receive(JSON.parse(message),remoteUserId,connection.peers[remoteUserId]?connection.peers[remoteUserId].extra:{})},this.onDataChannelClosed=function(event,remoteUserId){event.userid=remoteUserId,event.extra=connection.peers[remoteUserId]?connection.peers[remoteUserId].extra:{},connection.onclose(event)},this.onDataChannelError=function(error,remoteUserId){error.userid=remoteUserId,event.extra=connection.peers[remoteUserId]?connection.peers[remoteUserId].extra:{},connection.onerror(error)},this.onDataChannelOpened=function(channel,remoteUserId){return connection.peers[remoteUserId].channels.length?void(connection.peers[remoteUserId].channels=[channel]):(connection.peers[remoteUserId].channels.push(channel),void connection.onopen({userid:remoteUserId,extra:connection.peers[remoteUserId]?connection.peers[remoteUserId].extra:{},channel:channel}))},this.onPeerStateChanged=function(state){connection.onPeerStateChanged(state)},this.onNegotiationStarted=function(remoteUserId,states){},this.onNegotiationCompleted=function(remoteUserId,states){},this.getRemoteStreams=function(remoteUserId){return remoteUserId=remoteUserId||connection.peers.getAllParticipants()[0],connection.peers[remoteUserId]?connection.peers[remoteUserId].streams:[]}}function fireEvent(obj,eventName,args){if("undefined"!=typeof CustomEvent){var eventDetail={arguments:args,__exposedProps__:args},event=new CustomEvent(eventName,eventDetail);obj.dispatchEvent(event)}}function setHarkEvents(connection,streamEvent){if(streamEvent.stream&&getTracks(streamEvent.stream,"audio").length){if(!connection||!streamEvent)throw"Both arguments are required.";if(connection.onspeaking&&connection.onsilence){if("undefined"==typeof hark)throw"hark.js not found.";hark(streamEvent.stream,{onspeaking:function(){connection.onspeaking(streamEvent)},onsilence:function(){connection.onsilence(streamEvent)},onvolumechange:function(volume,threshold){connection.onvolumechange&&connection.onvolumechange(merge({volume:volume,threshold:threshold},streamEvent))}})}}}function setMuteHandlers(connection,streamEvent){streamEvent.stream&&streamEvent.stream&&streamEvent.stream.addEventListener&&(streamEvent.stream.addEventListener("mute",function(event){event=connection.streamEvents[streamEvent.streamid],event.session={audio:"audio"===event.muteType,video:"video"===event.muteType},connection.onmute(event)},!1),streamEvent.stream.addEventListener("unmute",function(event){event=connection.streamEvents[streamEvent.streamid],event.session={audio:"audio"===event.unmuteType,video:"video"===event.unmuteType},connection.onunmute(event)},!1))}function getRandomString(){if(window.crypto&&window.crypto.getRandomValues&&navigator.userAgent.indexOf("Safari")===-1){for(var a=window.crypto.getRandomValues(new Uint32Array(3)),token="",i=0,l=a.length;i<l;i++)token+=a[i].toString(36);return token}return(Math.random()*(new Date).getTime()).toString(36).replace(/\./g,"")}function getRMCMediaElement(stream,callback,connection){if(!connection.autoCreateMediaElement)return void callback({});var isAudioOnly=!1;getTracks(stream,"video").length||stream.isVideo||stream.isScreen||(isAudioOnly=!0),"Firefox"===DetectRTC.browser.name&&(connection.session.video||connection.session.screen)&&(isAudioOnly=!1);var mediaElement=document.createElement(isAudioOnly?"audio":"video");if(mediaElement.srcObject=stream,mediaElement.setAttribute("autoplay",!0),mediaElement.setAttribute("playsinline",!0),mediaElement.setAttribute("controls",!0),mediaElement.setAttribute("muted",!1),mediaElement.setAttribute("volume",1),"Firefox"===DetectRTC.browser.name){var streamEndedEvent="ended";"oninactive"in mediaElement&&(streamEndedEvent="inactive"),mediaElement.addEventListener(streamEndedEvent,function(){if(currentUserMediaRequest.remove(stream.idInstance),"local"===stream.type){streamEndedEvent="ended","oninactive"in stream&&(streamEndedEvent="inactive"),StreamsHandler.onSyncNeeded(stream.streamid,streamEndedEvent),connection.attachStreams.forEach(function(aStream,idx){stream.streamid===aStream.streamid&&delete connection.attachStreams[idx]});var newStreamsArray=[];connection.attachStreams.forEach(function(aStream){aStream&&newStreamsArray.push(aStream)}),connection.attachStreams=newStreamsArray;var streamEvent=connection.streamEvents[stream.streamid];if(streamEvent)return void connection.onstreamended(streamEvent);this.parentNode&&this.parentNode.removeChild(this)}},!1)}var played=mediaElement.play();if("undefined"!=typeof played){var cbFired=!1;setTimeout(function(){cbFired||(cbFired=!0,callback(mediaElement))},1e3),played.then(function(){cbFired||(cbFired=!0,callback(mediaElement))})["catch"](function(error){cbFired||(cbFired=!0,callback(mediaElement))})}else callback(mediaElement)}function listenEventHandler(eventName,eventHandler){window.removeEventListener(eventName,eventHandler),window.addEventListener(eventName,eventHandler,!1)}function removeNullEntries(array){var newArray=[];return array.forEach(function(item){item&&newArray.push(item)}),newArray}function isData(session){return!session.audio&&!session.video&&!session.screen&&session.data}function isNull(obj){return"undefined"==typeof obj}function isString(obj){return"string"==typeof obj}function isAudioPlusTab(connection,audioPlusTab){return(!connection.session.audio||"two-way"!==connection.session.audio)&&("Firefox"===DetectRTC.browser.name&&audioPlusTab!==!1||!("Chrome"!==DetectRTC.browser.name||DetectRTC.browser.version<50)&&(typeof audioPlusTab===!0||!("undefined"!=typeof audioPlusTab||!connection.session.audio||!connection.session.screen||connection.session.video)&&(audioPlusTab=!0,!0)))}function getTracks(stream,kind){return stream&&stream.getTracks?stream.getTracks().filter(function(t){return t.kind===(kind||"audio")}):[]}function isUnifiedPlanSupportedDefault(){var canAddTransceiver=!1;try{if("undefined"==typeof RTCRtpTransceiver)return!1;if(!("currentDirection"in RTCRtpTransceiver.prototype))return!1;var tempPc=new RTCPeerConnection;try{tempPc.addTransceiver("audio"),canAddTransceiver=!0}catch(e){}tempPc.close()}catch(e){canAddTransceiver=!1}return canAddTransceiver&&isUnifiedPlanSuppored()}function isUnifiedPlanSuppored(){var isUnifiedPlanSupported=!1;try{var pc=new RTCPeerConnection({sdpSemantics:"unified-plan"});try{var config=pc.getConfiguration();isUnifiedPlanSupported="unified-plan"==config.sdpSemantics||("plan-b"==config.sdpSemantics,!1)}catch(e){isUnifiedPlanSupported=!1}}catch(e){isUnifiedPlanSupported=!1}return isUnifiedPlanSupported}function setCordovaAPIs(){if("undefined"!=typeof cordova&&"undefined"!=typeof cordova.plugins&&"undefined"!=typeof cordova.plugins.iosrtc){var iosrtc=cordova.plugins.iosrtc;window.webkitRTCPeerConnection=iosrtc.RTCPeerConnection,window.RTCSessionDescription=iosrtc.RTCSessionDescription,window.RTCIceCandidate=iosrtc.RTCIceCandidate,window.MediaStream=iosrtc.MediaStream,window.MediaStreamTrack=iosrtc.MediaStreamTrack,navigator.getUserMedia=navigator.webkitGetUserMedia=iosrtc.getUserMedia,iosrtc.debug.enable("iosrtc*"),"function"==typeof iosrtc.selectAudioOutput&&iosrtc.selectAudioOutput(window.iOSDefaultAudioOutputDevice||"speaker"),iosrtc.registerGlobals()}}function setSdpConstraints(config){var sdpConstraints={OfferToReceiveAudio:!!config.OfferToReceiveAudio,OfferToReceiveVideo:!!config.OfferToReceiveVideo};return sdpConstraints}function PeerInitiator(config){function setChannelEvents(channel){channel.binaryType="arraybuffer",channel.onmessage=function(event){config.onDataChannelMessage(event.data)},channel.onopen=function(){config.onDataChannelOpened(channel)},channel.onerror=function(error){config.onDataChannelError(error)},channel.onclose=function(event){config.onDataChannelClosed(event)},channel.internalSend=channel.send,channel.send=function(data){"open"===channel.readyState&&channel.internalSend(data)},peer.channel=channel}function createOfferOrAnswer(_method){peer[_method](defaults.sdpConstraints).then(function(localSdp){"Safari"!==DetectRTC.browser.name&&(localSdp.sdp=connection.processSdp(localSdp.sdp)),peer.setLocalDescription(localSdp).then(function(){connection.trickleIce&&(config.onLocalSdp({type:localSdp.type,sdp:localSdp.sdp,remotePeerSdpConstraints:config.remotePeerSdpConstraints||!1,renegotiatingPeer:!!config.renegotiatingPeer||!1,connectionDescription:self.connectionDescription,dontGetRemoteStream:!!config.dontGetRemoteStream,extra:connection?connection.extra:{},streamsToShare:streamsToShare}),connection.onSettingLocalDescription(self))},function(error){connection.enableLogs&&console.error("setLocalDescription error",error)})},function(error){connection.enableLogs&&console.error("sdp-error",error)})}if("undefined"!=typeof window.RTCPeerConnection?RTCPeerConnection=window.RTCPeerConnection:"undefined"!=typeof mozRTCPeerConnection?RTCPeerConnection=mozRTCPeerConnection:"undefined"!=typeof webkitRTCPeerConnection&&(RTCPeerConnection=webkitRTCPeerConnection),RTCSessionDescription=window.RTCSessionDescription||window.mozRTCSessionDescription,RTCIceCandidate=window.RTCIceCandidate||window.mozRTCIceCandidate,MediaStreamTrack=window.MediaStreamTrack,!RTCPeerConnection)throw"WebRTC 1.0 (RTCPeerConnection) API are NOT available in this browser.";var connection=config.rtcMultiConnection;this.extra=config.remoteSdp?config.remoteSdp.extra:connection.extra,this.userid=config.userid,this.streams=[],this.channels=config.channels||[],this.connectionDescription=config.connectionDescription,this.addStream=function(session){connection.addStream(session,self.userid)},this.removeStream=function(streamid){connection.removeStream(streamid,self.userid)};var self=this;config.remoteSdp&&(this.connectionDescription=config.remoteSdp.connectionDescription);var allRemoteStreams={};defaults.sdpConstraints=setSdpConstraints({OfferToReceiveAudio:!0,OfferToReceiveVideo:!0});var peer,renegotiatingPeer=!!config.renegotiatingPeer;config.remoteSdp&&(renegotiatingPeer=!!config.remoteSdp.renegotiatingPeer);var localStreams=[];if(connection.attachStreams.forEach(function(stream){stream&&localStreams.push(stream)}),renegotiatingPeer)peer=config.peerRef;else{var iceTransports="all";(connection.candidates.turn||connection.candidates.relay)&&(connection.candidates.stun||connection.candidates.reflexive||connection.candidates.host||(iceTransports="relay"));try{var params={iceServers:connection.iceServers,iceTransportPolicy:connection.iceTransportPolicy||iceTransports};"undefined"!=typeof connection.iceCandidatePoolSize&&(params.iceCandidatePoolSize=connection.iceCandidatePoolSize),"undefined"!=typeof connection.bundlePolicy&&(params.bundlePolicy=connection.bundlePolicy),"undefined"!=typeof connection.rtcpMuxPolicy&&(params.rtcpMuxPolicy=connection.rtcpMuxPolicy),connection.sdpSemantics&&(params.sdpSemantics=connection.sdpSemantics||"unified-plan"),connection.iceServers&&connection.iceServers.length||(params=null,connection.optionalArgument=null),peer=new RTCPeerConnection(params,connection.optionalArgument)}catch(e){try{var params={iceServers:connection.iceServers};peer=new RTCPeerConnection(params)}catch(e){peer=new RTCPeerConnection}}}!peer.getRemoteStreams&&peer.getReceivers&&(peer.getRemoteStreams=function(){var stream=new MediaStream;return peer.getReceivers().forEach(function(receiver){stream.addTrack(receiver.track)}),[stream]}),!peer.getLocalStreams&&peer.getSenders&&(peer.getLocalStreams=function(){var stream=new MediaStream;return peer.getSenders().forEach(function(sender){stream.addTrack(sender.track)}),[stream]}),peer.onicecandidate=function(event){if(event.candidate)connection.trickleIce&&config.onLocalCandidate({candidate:event.candidate.candidate,sdpMid:event.candidate.sdpMid,sdpMLineIndex:event.candidate.sdpMLineIndex});else if(!connection.trickleIce){var localSdp=peer.localDescription;config.onLocalSdp({type:localSdp.type,sdp:localSdp.sdp,remotePeerSdpConstraints:config.remotePeerSdpConstraints||!1,renegotiatingPeer:!!config.renegotiatingPeer||!1,connectionDescription:self.connectionDescription,dontGetRemoteStream:!!config.dontGetRemoteStream,extra:connection?connection.extra:{},streamsToShare:streamsToShare})}},localStreams.forEach(function(localStream){config.remoteSdp&&config.remoteSdp.remotePeerSdpConstraints&&config.remoteSdp.remotePeerSdpConstraints.dontGetRemoteStream||config.dontAttachLocalStream||(localStream=connection.beforeAddingStream(localStream,self),localStream&&(peer.getLocalStreams().forEach(function(stream){localStream&&stream.id==localStream.id&&(localStream=null)}),localStream&&localStream.getTracks&&localStream.getTracks().forEach(function(track){try{peer.addTrack(track,localStream)}catch(e){}})))}),peer.oniceconnectionstatechange=peer.onsignalingstatechange=function(){var extra=self.extra;connection.peers[self.userid]&&(extra=connection.peers[self.userid].extra||extra),peer&&(config.onPeerStateChanged({iceConnectionState:peer.iceConnectionState,iceGatheringState:peer.iceGatheringState,signalingState:peer.signalingState,extra:extra,userid:self.userid}),peer&&peer.iceConnectionState&&peer.iceConnectionState.search(/closed|failed/gi)!==-1&&self.streams instanceof Array&&self.streams.forEach(function(stream){var streamEvent=connection.streamEvents[stream.id]||{streamid:stream.id,stream:stream,type:"remote"};connection.onstreamended(streamEvent)}))};var sdpConstraints={OfferToReceiveAudio:!!localStreams.length,OfferToReceiveVideo:!!localStreams.length};config.localPeerSdpConstraints&&(sdpConstraints=config.localPeerSdpConstraints),defaults.sdpConstraints=setSdpConstraints(sdpConstraints);var dontDuplicate={};peer.ontrack=function(event){if(event&&"track"===event.type){if(event.stream=event.streams[event.streams.length-1],event.stream.id||(event.stream.id=event.track.id),dontDuplicate[event.stream.id]&&"Safari"!==DetectRTC.browser.name)return void(event.track&&(event.track.onended=function(){peer&&peer.onremovestream(event)}));dontDuplicate[event.stream.id]=event.stream.id;var streamsToShare={};config.remoteSdp&&config.remoteSdp.streamsToShare?streamsToShare=config.remoteSdp.streamsToShare:config.streamsToShare&&(streamsToShare=config.streamsToShare);
var streamToShare=streamsToShare[event.stream.id];streamToShare?(event.stream.isAudio=streamToShare.isAudio,event.stream.isVideo=streamToShare.isVideo,event.stream.isScreen=streamToShare.isScreen):(event.stream.isVideo=!!getTracks(event.stream,"video").length,event.stream.isAudio=!event.stream.isVideo,event.stream.isScreen=!1),event.stream.streamid=event.stream.id,allRemoteStreams[event.stream.id]=event.stream,config.onRemoteStream(event.stream),event.stream.getTracks().forEach(function(track){track.onended=function(){peer&&peer.onremovestream(event)}}),event.stream.onremovetrack=function(){peer&&peer.onremovestream(event)}}},peer.onremovestream=function(event){event.stream.streamid=event.stream.id,allRemoteStreams[event.stream.id]&&delete allRemoteStreams[event.stream.id],config.onRemoteStreamRemoved(event.stream)},"function"!=typeof peer.removeStream&&(peer.removeStream=function(stream){stream.getTracks().forEach(function(track){peer.removeTrack(track,stream)})}),this.addRemoteCandidate=function(remoteCandidate){peer.addIceCandidate(new RTCIceCandidate(remoteCandidate))},this.addRemoteSdp=function(remoteSdp,cb){cb=cb||function(){},"Safari"!==DetectRTC.browser.name&&(remoteSdp.sdp=connection.processSdp(remoteSdp.sdp)),peer.setRemoteDescription(new RTCSessionDescription(remoteSdp)).then(cb,function(error){connection.enableLogs&&console.error("setRemoteDescription failed","\n",error,"\n",remoteSdp.sdp),cb()})["catch"](function(error){connection.enableLogs&&console.error("setRemoteDescription failed","\n",error,"\n",remoteSdp.sdp),cb()})};var isOfferer=!0;config.remoteSdp&&(isOfferer=!1),this.createDataChannel=function(){var channel=peer.createDataChannel("sctp",{});setChannelEvents(channel)},connection.session.data!==!0||renegotiatingPeer||(isOfferer?this.createDataChannel():peer.ondatachannel=function(event){var channel=event.channel;setChannelEvents(channel)}),this.enableDisableVideoEncoding=function(enable){var rtcp;if(peer.getSenders().forEach(function(sender){rtcp||"video"!==sender.track.kind||(rtcp=sender)}),rtcp&&rtcp.getParameters){var parameters=rtcp.getParameters();parameters.encodings[1]&&(parameters.encodings[1].active=!!enable),parameters.encodings[2]&&(parameters.encodings[2].active=!!enable),rtcp.setParameters(parameters)}},config.remoteSdp&&(config.remoteSdp.remotePeerSdpConstraints&&(sdpConstraints=config.remoteSdp.remotePeerSdpConstraints),defaults.sdpConstraints=setSdpConstraints(sdpConstraints),this.addRemoteSdp(config.remoteSdp,function(){createOfferOrAnswer("createAnswer")})),"two-way"!=connection.session.audio&&"two-way"!=connection.session.video&&"two-way"!=connection.session.screen||(defaults.sdpConstraints=setSdpConstraints({OfferToReceiveAudio:"two-way"==connection.session.audio||config.remoteSdp&&config.remoteSdp.remotePeerSdpConstraints&&config.remoteSdp.remotePeerSdpConstraints.OfferToReceiveAudio,OfferToReceiveVideo:"two-way"==connection.session.video||"two-way"==connection.session.screen||config.remoteSdp&&config.remoteSdp.remotePeerSdpConstraints&&config.remoteSdp.remotePeerSdpConstraints.OfferToReceiveAudio}));var streamsToShare={};peer.getLocalStreams().forEach(function(stream){streamsToShare[stream.streamid]={isAudio:!!stream.isAudio,isVideo:!!stream.isVideo,isScreen:!!stream.isScreen}}),isOfferer&&createOfferOrAnswer("createOffer"),peer.nativeClose=peer.close,peer.close=function(){if(peer){try{peer.nativeClose!==peer.close&&peer.nativeClose()}catch(e){}peer=null,self.peer=null}},this.peer=peer}function setStreamType(constraints,stream){constraints.mandatory&&constraints.mandatory.chromeMediaSource?stream.isScreen=!0:constraints.mozMediaSource||constraints.mediaSource?stream.isScreen=!0:constraints.video?stream.isVideo=!0:constraints.audio&&(stream.isAudio=!0)}function getUserMediaHandler(options){function streaming(stream,returnBack){setStreamType(options.localMediaConstraints,stream);var streamEndedEvent="ended";"oninactive"in stream&&(streamEndedEvent="inactive"),stream.addEventListener(streamEndedEvent,function(){delete currentUserMediaRequest.streams[idInstance],currentUserMediaRequest.mutex=!1,currentUserMediaRequest.queueRequests.indexOf(options)&&(delete currentUserMediaRequest.queueRequests[currentUserMediaRequest.queueRequests.indexOf(options)],currentUserMediaRequest.queueRequests=removeNullEntries(currentUserMediaRequest.queueRequests))},!1),currentUserMediaRequest.streams[idInstance]={stream:stream},currentUserMediaRequest.mutex=!1,currentUserMediaRequest.queueRequests.length&&getUserMediaHandler(currentUserMediaRequest.queueRequests.shift()),options.onGettingLocalMedia(stream,returnBack)}if(currentUserMediaRequest.mutex===!0)return void currentUserMediaRequest.queueRequests.push(options);currentUserMediaRequest.mutex=!0;var idInstance=JSON.stringify(options.localMediaConstraints);if(currentUserMediaRequest.streams[idInstance])streaming(currentUserMediaRequest.streams[idInstance].stream,!0);else{var isBlackBerry=!!/BB10|BlackBerry/i.test(navigator.userAgent||"");if(isBlackBerry||"undefined"==typeof navigator.mediaDevices||"function"!=typeof navigator.mediaDevices.getUserMedia)return navigator.getUserMedia=navigator.getUserMedia||navigator.webkitGetUserMedia||navigator.mozGetUserMedia,void navigator.getUserMedia(options.localMediaConstraints,function(stream){stream.streamid=stream.streamid||stream.id||getRandomString(),stream.idInstance=idInstance,streaming(stream)},function(error){options.onLocalMediaError(error,options.localMediaConstraints)});if("undefined"==typeof navigator.mediaDevices){navigator.getUserMedia=navigator.getUserMedia||navigator.webkitGetUserMedia||navigator.mozGetUserMedia;var getUserMediaStream,getUserMediaError,getUserMediaSuccess=function(){},getUserMediaFailure=function(){};navigator.mediaDevices={getUserMedia:function(hints){return navigator.getUserMedia(hints,function(getUserMediaSuccess){getUserMediaSuccess(stream),getUserMediaStream=stream},function(error){getUserMediaFailure(error),getUserMediaError=error}),{then:function(successCB){return getUserMediaStream?void successCB(getUserMediaStream):(getUserMediaSuccess=successCB,{then:function(failureCB){return getUserMediaError?void failureCB(getUserMediaError):void(getUserMediaFailure=failureCB)}})}}}}}if(options.localMediaConstraints.isScreen===!0){if(navigator.mediaDevices.getDisplayMedia)navigator.mediaDevices.getDisplayMedia(options.localMediaConstraints).then(function(stream){stream.streamid=stream.streamid||stream.id||getRandomString(),stream.idInstance=idInstance,streaming(stream)})["catch"](function(error){options.onLocalMediaError(error,options.localMediaConstraints)});else{if(!navigator.getDisplayMedia)throw new Error("getDisplayMedia API is not availabe in this browser.");navigator.getDisplayMedia(options.localMediaConstraints).then(function(stream){stream.streamid=stream.streamid||stream.id||getRandomString(),stream.idInstance=idInstance,streaming(stream)})["catch"](function(error){options.onLocalMediaError(error,options.localMediaConstraints)})}return}navigator.mediaDevices.getUserMedia(options.localMediaConstraints).then(function(stream){stream.streamid=stream.streamid||stream.id||getRandomString(),stream.idInstance=idInstance,streaming(stream)})["catch"](function(error){options.onLocalMediaError(error,options.localMediaConstraints)})}}function TextReceiver(connection){function receive(data,userid,extra){var uuid=data.uuid;if(content[uuid]||(content[uuid]=[]),content[uuid].push(data.message),data.last){var message=content[uuid].join("");data.isobject&&(message=JSON.parse(message));var receivingTime=(new Date).getTime(),latency=receivingTime-data.sendingTime,e={data:message,userid:userid,extra:extra,latency:latency};connection.autoTranslateText?(e.original=e.data,connection.Translator.TranslateText(e.data,function(translatedText){e.data=translatedText,connection.onmessage(e)})):connection.onmessage(e),delete content[uuid]}}var content={};return{receive:receive}}var browserFakeUserAgent="Fake/5.0 (FakeOS) AppleWebKit/123 (KHTML, like Gecko) Fake/12.3.4567.89 Fake/123.45";!function(that){that&&"undefined"==typeof window&&"undefined"!=typeof global&&(global.navigator={userAgent:browserFakeUserAgent,getUserMedia:function(){}},global.console||(global.console={}),"undefined"==typeof global.console.debug&&(global.console.debug=global.console.info=global.console.error=global.console.log=global.console.log||function(){console.log(arguments)}),"undefined"==typeof document&&(that.document={},document.createElement=document.captureStream=document.mozCaptureStream=function(){var obj={getContext:function(){return obj},play:function(){},pause:function(){},drawImage:function(){},toDataURL:function(){return""}};return obj},document.addEventListener=document.removeEventListener=that.addEventListener=that.removeEventListener=function(){},that.HTMLVideoElement=that.HTMLMediaElement=function(){}),"undefined"==typeof io&&(that.io=function(){return{on:function(eventName,callback){callback=callback||function(){},"connect"===eventName&&callback()},emit:function(eventName,data,callback){callback=callback||function(){},"open-room"!==eventName&&"join-room"!==eventName||callback(!0,data.sessionid,null)}}}),"undefined"==typeof location&&(that.location={protocol:"file:",href:"",hash:"",origin:"self"}),"undefined"==typeof screen&&(that.screen={width:0,height:0}),"undefined"==typeof URL&&(that.URL={createObjectURL:function(){return""},revokeObjectURL:function(){return""}}),that.window=global)}("undefined"!=typeof global?global:null),function(){function getBrowserInfo(){var nameOffset,verOffset,ix,nAgt=(navigator.appVersion,navigator.userAgent),browserName=navigator.appName,fullVersion=""+parseFloat(navigator.appVersion),majorVersion=parseInt(navigator.appVersion,10);if(isSafari&&!isChrome&&nAgt.indexOf("CriOS")!==-1&&(isSafari=!1,isChrome=!0),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}}else isIE?(verOffset=nAgt.indexOf("rv:"),verOffset>0?fullVersion=nAgt.substring(verOffset+3):(verOffset=nAgt.indexOf("MSIE"),fullVersion=nAgt.substring(verOffset+5)),browserName="IE"):isChrome?(verOffset=nAgt.indexOf("Chrome"),browserName="Chrome",fullVersion=nAgt.substring(verOffset+7)):isSafari?(verOffset=nAgt.indexOf("Safari"),browserName="Safari",fullVersion=nAgt.substring(verOffset+7),(verOffset=nAgt.indexOf("Version"))!==-1&&(fullVersion=nAgt.substring(verOffset+8)),navigator.userAgent.indexOf("Version/")!==-1&&(fullVersion=navigator.userAgent.split("Version/")[1].split(" ")[0])):isFirefox?(verOffset=nAgt.indexOf("Firefox"),browserName="Firefox",fullVersion=nAgt.substring(verOffset+8)):(nameOffset=nAgt.lastIndexOf(" ")+1)<(verOffset=nAgt.lastIndexOf("/"))&&(browserName=nAgt.substring(nameOffset,verOffset),fullVersion=nAgt.substring(verOffset+1),browserName.toLowerCase()===browserName.toUpperCase()&&(browserName=navigator.appName));return isEdge&&(browserName="Edge",fullVersion=navigator.userAgent.split("Edge/")[1]),(ix=fullVersion.search(/[; \)]/))!==-1&&(fullVersion=fullVersion.substring(0,ix)),majorVersion=parseInt(""+fullVersion,10),isNaN(majorVersion)&&(fullVersion=""+parseFloat(navigator.appVersion),majorVersion=parseInt(navigator.appVersion,10)),{fullVersion:fullVersion,version:majorVersion,name:browserName,isPrivateBrowsing:!1}}function retry(isDone,next){var currentTrial=0,maxRetry=50,isTimeout=!1,id=window.setInterval(function(){isDone()&&(window.clearInterval(id),next(isTimeout)),currentTrial++>maxRetry&&(window.clearInterval(id),isTimeout=!0,next(isTimeout))},10)}function isIE10OrLater(userAgent){var ua=userAgent.toLowerCase();if(0===ua.indexOf("msie")&&0===ua.indexOf("trident"))return!1;var match=/(?:msie|rv:)\s?([\d\.]+)/.exec(ua);return!!(match&&parseInt(match[1],10)>=10)}function detectPrivateMode(callback){var isPrivate;try{if(window.webkitRequestFileSystem)window.webkitRequestFileSystem(window.TEMPORARY,1,function(){isPrivate=!1},function(e){isPrivate=!0});else if(window.indexedDB&&/Firefox/.test(window.navigator.userAgent)){var db;try{db=window.indexedDB.open("test"),db.onerror=function(){return!0}}catch(e){isPrivate=!0}"undefined"==typeof isPrivate&&retry(function(){return"done"===db.readyState},function(isTimeout){isTimeout||(isPrivate=!db.result)})}else if(isIE10OrLater(window.navigator.userAgent)){isPrivate=!1;try{window.indexedDB||(isPrivate=!0)}catch(e){isPrivate=!0}}else if(window.localStorage&&/Safari/.test(window.navigator.userAgent)){try{window.localStorage.setItem("test",1)}catch(e){isPrivate=!0}"undefined"==typeof isPrivate&&(isPrivate=!1,window.localStorage.removeItem("test"))}}catch(e){isPrivate=!1}retry(function(){return"undefined"!=typeof isPrivate},function(isTimeout){callback(isPrivate)})}function detectDesktopOS(){for(var cs,unknown="-",nVer=navigator.appVersion,nAgt=navigator.userAgent,os=unknown,clientStrings=[{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)/}],i=0;cs=clientStrings[i];i++)if(cs.r.test(nAgt)){os=cs.s;break}var osVersion=unknown;switch(/Windows/.test(os)&&(/Windows (.*)/.test(os)&&(osVersion=/Windows (.*)/.exec(os)[1]),os="Windows"),os){case"Mac OS X":/Mac OS X (10[\.\_\d]+)/.test(nAgt)&&(osVersion=/Mac OS X (10[\.\_\d]+)/.exec(nAgt)[1]);break;case"Android":/Android ([\.\_\d]+)/.test(nAgt)&&(osVersion=/Android ([\.\_\d]+)/.exec(nAgt)[1]);break;case"iOS":/OS (\d+)_(\d+)_?(\d+)?/.test(nAgt)&&(osVersion=/OS (\d+)_(\d+)_?(\d+)?/.exec(nVer),osVersion=osVersion[1]+"."+osVersion[2]+"."+(0|osVersion[3]))}return{osName:os,osVersion:osVersion}}function getAndroidVersion(ua){ua=(ua||navigator.userAgent).toLowerCase();var match=ua.match(/android\s([0-9\.]*)/);return!!match&&match[1]}function DetectLocalIPAddress(callback,stream){if(DetectRTC.isWebRTCSupported){var isPublic=!0,isIpv4=!0;getIPs(function(ip){ip?ip.match(regexIpv4Local)?(isPublic=!1,callback("Local: "+ip,isPublic,isIpv4)):ip.match(regexIpv6)?(isIpv4=!1,callback("Public: "+ip,isPublic,isIpv4)):callback("Public: "+ip,isPublic,isIpv4):callback()},stream)}}function getIPs(callback,stream){function handleCandidate(candidate){if(!candidate)return void callback();var match=regexIpv4.exec(candidate);if(match){var ipAddress=match[1],isPublic=candidate.match(regexIpv4Local),isIpv4=!0;void 0===ipDuplicates[ipAddress]&&callback(ipAddress,isPublic,isIpv4),ipDuplicates[ipAddress]=!0}}function afterCreateOffer(){var lines=pc.localDescription.sdp.split("\n");lines.forEach(function(line){line&&0===line.indexOf("a=candidate:")&&handleCandidate(line)})}if("undefined"!=typeof document&&"function"==typeof document.getElementById){var ipDuplicates={},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){var peerConfig=null;"Chrome"===DetectRTC.browser&&DetectRTC.browser.version<58&&(peerConfig={optional:[{RtpDataChannels:!0}]});var servers={iceServers:[{urls:"stun:stun.l.google.com:19302"}]},pc=new RTCPeerConnection(servers,peerConfig);if(stream&&(pc.addStream?pc.addStream(stream):pc.addTrack&&stream.getTracks()[0]&&pc.addTrack(stream.getTracks()[0],stream)),pc.onicecandidate=function(event){event.candidate&&event.candidate.candidate?handleCandidate(event.candidate.candidate):handleCandidate()},!stream)try{pc.createDataChannel("sctp",{})}catch(e){}DetectRTC.isPromisesSupported?pc.createOffer().then(function(result){pc.setLocalDescription(result).then(afterCreateOffer)}):pc.createOffer(function(result){pc.setLocalDescription(result,afterCreateOffer,function(){})},function(){})}}}function checkDeviceSupport(callback){if(!canEnumerate)return void(callback&&callback());if(!navigator.enumerateDevices&&window.MediaStreamTrack&&window.MediaStreamTrack.getSources&&(navigator.enumerateDevices=window.MediaStreamTrack.getSources.bind(window.MediaStreamTrack)),!navigator.enumerateDevices&&navigator.enumerateDevices&&(navigator.enumerateDevices=navigator.enumerateDevices.bind(navigator)),!navigator.enumerateDevices)return void(callback&&callback());MediaDevices=[],audioInputDevices=[],audioOutputDevices=[],videoInputDevices=[],hasMicrophone=!1,hasSpeakers=!1,hasWebcam=!1,isWebsiteHasMicrophonePermissions=!1,isWebsiteHasWebcamPermissions=!1;var alreadyUsedDevices={};navigator.enumerateDevices(function(devices){devices.forEach(function(_device){var device={};for(var d in _device)try{"