stanza.io-8.0.2.js

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n=this;n.on("connected",function(){n.streamStart='<stream:stream xmlns:stream="http://etherx.jabber.org/streams">',n.streamEnd="</stream:stream>"}),n.off("raw:incoming"),n.on("raw:incoming",function(e){var a,s,o;if(e=e.trim(),e=e.replace(/^(\s*<\?.*\?>\s*)*/,""),""!==e){if(e.match(n.streamEnd))return n.disconnect();if(n.hasStream)try{a=t.parse(wrap(e))}catch(e){return o=new this.stanzas.StreamError({condition:"invalid-xml"}),n.emit("stream:error",o,e),n.send(o),n.disconnect()}else{var i=e.match(/^<(\S+:)?(\S+) /);n.streamStart=e,n.streamEnd="</"+(i[1]||"")+i[2]+">",s=!1;try{a=t.parse(e+n.streamEnd)}catch(r){try{a=t.parse(e),s=!0}catch(e){return o=new this.stanzas.StreamError({condition:"invalid-xml"}),n.emit("stream:error",o,e),n.send(o),n.disconnect()}}n.hasStream=!0,n.stream=a,n.emit("stream:start",a)}r(a._extensions,function(e){!e.lang&&n.stream&&(e.lang=n.stream.lang),n.emit("stream:data",e)}),s&&n.emit("stream:end")}})}var r=e("lodash.foreach"),a=e("./websocket"),s=e("util");s.inherits(OldWSConnection,a),OldWSConnection.prototype.startHeader=function(){return["<stream:stream",'xmlns:stream="http://etherx.jabber.org/streams"','xmlns="jabber:client"','version="'+(this.config.version||"1.0")+'"','xml:lang="'+(this.config.lang||"en")+'"','to="'+this.config.server+'">'].join(" ")},OldWSConnection.prototype.closeHeader=function(){return"</stream:stream>"},t.exports=OldWSConnection},{"./websocket":"/stanza.io-8.0.2/lib/transports/websocket.js","lodash.foreach":"/stanza.io-8.0.2/node_modules/lodash.foreach/index.js",util:"/stanza.io-8.0.2/node_modules/util/util.js"}],"/stanza.io-8.0.2/lib/transports/websocket.js":[function(e,t,n){(function(n){"use strict";function WSConnection(e,t){var r=this;a.call(this),r.sm=e,r.closing=!1,r.stanzas={Open:t.getDefinition("open","urn:ietf:params:xml:ns:xmpp-framing",!0),Close:t.getDefinition("close","urn:ietf:params:xml:ns:xmpp-framing",!0),StreamError:t.getStreamError()},r.sendQueue=s.queue(function(e,t){r.conn&&("string"!=typeof e&&(e=e.toString()),e=new n(e,"utf8").toString(),r.emit("raw:outgoing",e),r.conn.readyState===i&&r.conn.send(e)),t()},1),r.on("connected",function(){r.send(r.startHeader())}),r.on("raw:incoming",function(e){var n,a;if(e=e.trim(),""!==e){try{n=t.parse(e)}catch(e){return a=new r.stanzas.StreamError({condition:"invalid-xml"}),r.emit("stream:error",a,e),r.send(a),r.disconnect()}if("openStream"===n._name)return r.hasStream=!0,r.stream=n,r.emit("stream:start",n.toJSON());if("closeStream"===n._name)return r.emit("stream:end"),r.disconnect();!n.lang&&r.stream&&(n.lang=r.stream.lang),r.emit("stream:data",n)}})}var r=e("util"),a=e("wildemitter"),s=e("async"),o=e("faye-websocket")&&e("faye-websocket").Client?e("faye-websocket").Client:window.WebSocket,i=1;r.inherits(WSConnection,a),WSConnection.prototype.connect=function(e){var t=this;t.config=e,t.hasStream=!1,t.closing=!1,t.conn=new o(e.wsURL,"xmpp"),t.conn.onerror=function(e){e.preventDefault(),t.emit("disconnected",t)},t.conn.onclose=function(){t.emit("disconnected",t)},t.conn.onopen=function(){t.sm.started=!1,t.emit("connected",t)},t.conn.onmessage=function(e){t.emit("raw:incoming",new n(e.data,"utf8").toString())}},WSConnection.prototype.startHeader=function(){return new this.stanzas.Open({version:this.config.version||"1.0",lang:this.config.lang||"en",to:this.config.server})},WSConnection.prototype.closeHeader=function(){return new this.stanzas.Close},WSConnection.prototype.disconnect=function(){this.conn&&!this.closing&&this.hasStream?(this.closing=!0,this.send(this.closeHeader())):(this.hasStream=!1,this.stream=void 0,this.conn.readyState===i&&this.conn.close(),this.conn=void 0)},WSConnection.prototype.restart=function(){var e=this;e.hasStream=!1,e.send(this.startHeader())},WSConnection.prototype.send=function(e){this.sendQueue.push(e)},t.exports=WSConnection}).call(this,e("buffer").Buffer)},{async:"/stanza.io-8.0.2/node_modules/async/lib/async.js",buffer:"/stanza.io-8.0.2/node_modules/buffer/index.js","faye-websocket":"/stanza.io-8.0.2/node_modules/browser-resolve/empty.js",util:"/stanza.io-8.0.2/node_modules/util/util.js",wildemitter:"/stanza.io-8.0.2/node_modules/wildemitter/wildemitter.js"}],"/stanza.io-8.0.2/node_modules/alt-sasl-digest-md5/index.js":[function(e,t,n){function parse(e){for(var t={},n=e.split(/,(?=(?:[^"]|"[^"]*")*$)/),r=0,a=n.length;r<a;r++){var s=/(\w+)=["]?([^"]+)["]?$/.exec(n[r]);s&&(t[s[1]]=s[2])}return t}function genNonce(){return r(16).toString("hex")}function Mechanism(e){e=e||{},this._genNonce=e.genNonce||genNonce}var r=e("randombytes"),a=e("create-hash");Mechanism.Mechanism=Mechanism,Mechanism.prototype.name="DIGEST-MD5",Mechanism.prototype.clientFirst=!1,Mechanism.prototype.response=function(e){if(!this._completed){var t=e.serviceType+"/"+e.host;e.serviceName&&e.host!==e.serviceName&&(t+="/"+e.serviceName);var n=e.realm||this._realm||"",r=this._genNonce(),s="00000001",o="auth",i="";i+='username="'+e.username+'"',n&&(i+=',realm="'+n+'"'),i+=',nonce="'+this._nonce+'"',i+=',cnonce="'+r+'"',i+=",nc="+s,i+=",qop="+o,i+=',digest-uri="'+t+'"';var c=a("md5").update(e.username).update(":").update(n).update(":").update(e.password).digest(),l=a("md5").update(c).update(":").update(this._nonce).update(":").update(r);e.authzid&&l.update(":").update(e.authzid),l=l.digest("hex");var u=a("md5").update("AUTHENTICATE:").update(t);"auth-int"!==o&&"auth-conf"!==o||u.update(":00000000000000000000000000000000"),u=u.digest("hex");var 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a=0,s=Math.min(e.length-n,2);a<s;++a)e[n+a]=(t&255<<8*(r?a:1-a))>>>8*(r?a:1-a)}function objectWriteUInt32(e,t,n,r){t<0&&(t=4294967295+t+1);for(var a=0,s=Math.min(e.length-n,4);a<s;++a)e[n+a]=t>>>8*(r?a:3-a)&255}function checkIEEE754(e,t,n,r,a,s){if(n+r>e.length)throw new RangeError("Index out of range");if(n<0)throw new RangeError("Index out of range")}function writeFloat(e,t,n,r,s){return s||checkIEEE754(e,t,n,4,3.4028234663852886e38,-3.4028234663852886e38),a.write(e,t,n,r,23,4),n+4}function writeDouble(e,t,n,r,s){return s||checkIEEE754(e,t,n,8,1.7976931348623157e308,-1.7976931348623157e308),a.write(e,t,n,r,52,8),n+8}function base64clean(e){if(e=stringtrim(e).replace(i,""),e.length<2)return"";for(;e.length%4!==0;)e+="=";return e}function stringtrim(e){return e.trim?e.trim():e.replace(/^\s+|\s+$/g,"")}function toHex(e){return e<16?"0"+e.toString(16):e.toString(16)}function utf8ToBytes(e,t){t=t||1/0;for(var n,r=e.length,a=null,s=[],o=0;o<r;++o){if(n=e.charCodeAt(o),n>55295&&n<57344){if(!a){if(n>56319){(t-=3)>-1&&s.push(239,191,189);continue}if(o+1===r){(t-=3)>-1&&s.push(239,191,189);continue}a=n;continue}if(n<56320){(t-=3)>-1&&s.push(239,191,189),a=n;continue}n=(a-55296<<10|n-56320)+65536}else a&&(t-=3)>-1&&s.push(239,191,189);if(a=null,n<128){if((t-=1)<0)break;s.push(n)}else if(n<2048){if((t-=2)<0)break;s.push(n>>6|192,63&n|128)}else if(n<65536){if((t-=3)<0)break;s.push(n>>12|224,n>>6&63|128,63&n|128)}else{if(!(n<1114112))throw new Error("Invalid code point");if((t-=4)<0)break;s.push(n>>18|240,n>>12&63|128,n>>6&63|128,63&n|128)}}return s}function asciiToBytes(e){for(var t=[],n=0;n<e.length;++n)t.push(255&e.charCodeAt(n));return t}function utf16leToBytes(e,t){for(var n,r,a,s=[],o=0;o<e.length&&!((t-=2)<0);++o)n=e.charCodeAt(o),r=n>>8,a=n%256,s.push(a),s.push(r);return s}function base64ToBytes(e){return r.toByteArray(base64clean(e))}function blitBuffer(e,t,n,r){for(var a=0;a<r&&!(a+n>=t.length||a>=e.length);++a)t[a+n]=e[a];return a}function isnan(e){return e!==e}var r=e("base64-js"),a=e("ieee754"),s=e("isarray");n.Buffer=Buffer,n.SlowBuffer=SlowBuffer,n.INSPECT_MAX_BYTES=50,Buffer.TYPED_ARRAY_SUPPORT=void 0!==t.TYPED_ARRAY_SUPPORT?t.TYPED_ARRAY_SUPPORT:typedArraySupport(),n.kMaxLength=kMaxLength(),Buffer.poolSize=8192,Buffer._augment=function(e){return e.__proto__=Buffer.prototype,e},Buffer.from=function(e,t,n){
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t)r=t,n=this.length,t=0;else{if(!isFinite(t))throw new Error("Buffer.write(string, encoding, offset[, length]) is no longer supported");t|=0,isFinite(n)?(n|=0,void 0===r&&(r="utf8")):(r=n,n=void 0)}var a=this.length-t;if((void 0===n||n>a)&&(n=a),e.length>0&&(n<0||t<0)||t>this.length)throw new RangeError("Attempt to write outside buffer bounds");r||(r="utf8");for(var s=!1;;)switch(r){case"hex":return hexWrite(this,e,t,n);case"utf8":case"utf-8":return utf8Write(this,e,t,n);case"ascii":return asciiWrite(this,e,t,n);case"latin1":case"binary":return latin1Write(this,e,t,n);case"base64":return base64Write(this,e,t,n);case"ucs2":case"ucs-2":case"utf16le":case"utf-16le":return ucs2Write(this,e,t,n);default:if(s)throw new TypeError("Unknown encoding: "+r);r=(""+r).toLowerCase(),s=!0}},Buffer.prototype.toJSON=function toJSON(){return{type:"Buffer",data:Array.prototype.slice.call(this._arr||this,0)}};var o=4096;Buffer.prototype.slice=function slice(e,t){var n=this.length;e=~~e,t=void 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readInt16BE(e,t){t||checkOffset(e,2,this.length);var n=this[e+1]|this[e]<<8;return 32768&n?4294901760|n:n},Buffer.prototype.readInt32LE=function readInt32LE(e,t){return t||checkOffset(e,4,this.length),this[e]|this[e+1]<<8|this[e+2]<<16|this[e+3]<<24},Buffer.prototype.readInt32BE=function readInt32BE(e,t){return t||checkOffset(e,4,this.length),this[e]<<24|this[e+1]<<16|this[e+2]<<8|this[e+3]},Buffer.prototype.readFloatLE=function readFloatLE(e,t){return t||checkOffset(e,4,this.length),a.read(this,e,!0,23,4)},Buffer.prototype.readFloatBE=function readFloatBE(e,t){return t||checkOffset(e,4,this.length),a.read(this,e,!1,23,4)},Buffer.prototype.readDoubleLE=function readDoubleLE(e,t){return t||checkOffset(e,8,this.length),a.read(this,e,!0,52,8)},Buffer.prototype.readDoubleBE=function readDoubleBE(e,t){return t||checkOffset(e,8,this.length),a.read(this,e,!1,52,8)},Buffer.prototype.writeUIntLE=function writeUIntLE(e,t,n,r){if(e=+e,t|=0,n|=0,!r){var a=Math.pow(2,8*n)-1;checkInt(this,e,t,n,a,0)}var s=1,o=0;for(this[t]=255&e;++o<n&&(s*=256);)this[t+o]=e/s&255;return t+n},Buffer.prototype.writeUIntBE=function writeUIntBE(e,t,n,r){if(e=+e,t|=0,n|=0,!r){var a=Math.pow(2,8*n)-1;checkInt(this,e,t,n,a,0)}var s=n-1,o=1;for(this[t+s]=255&e;--s>=0&&(o*=256);)this[t+s]=e/o&255;return t+n},Buffer.prototype.writeUInt8=function writeUInt8(e,t,n){return e=+e,t|=0,n||checkInt(this,e,t,1,255,0),Buffer.TYPED_ARRAY_SUPPORT||(e=Math.floor(e)),this[t]=255&e,t+1},Buffer.prototype.writeUInt16LE=function writeUInt16LE(e,t,n){return e=+e,t|=0,n||checkInt(this,e,t,2,65535,0),Buffer.TYPED_ARRAY_SUPPORT?(this[t]=255&e,this[t+1]=e>>>8):objectWriteUInt16(this,e,t,!0),t+2},Buffer.prototype.writeUInt16BE=function writeUInt16BE(e,t,n){return e=+e,t|=0,n||checkInt(this,e,t,2,65535,0),Buffer.TYPED_ARRAY_SUPPORT?(this[t]=e>>>8,this[t+1]=255&e):objectWriteUInt16(this,e,t,!1),t+2},Buffer.prototype.writeUInt32LE=function writeUInt32LE(e,t,n){return e=+e,t|=0,n||checkInt(this,e,t,4,4294967295,0),Buffer.TYPED_ARRAY_SUPPORT?(this[t+3]=e>>>24,this[t+2]=e>>>16,this[t+1]=e>>>8,this[t]=255&e):objectWriteUInt32(this,e,t,!0),t+4},Buffer.prototype.writeUInt32BE=function writeUInt32BE(e,t,n){return e=+e,t|=0,n||checkInt(this,e,t,4,4294967295,0),Buffer.TYPED_ARRAY_SUPPORT?(this[t]=e>>>24,this[t+1]=e>>>16,this[t+2]=e>>>8,this[t+3]=255&e):objectWriteUInt32(this,e,t,!1),t+4},Buffer.prototype.writeIntLE=function writeIntLE(e,t,n,r){if(e=+e,t|=0,!r){var a=Math.pow(2,8*n-1);checkInt(this,e,t,n,a-1,-a)}var s=0,o=1,i=0;for(this[t]=255&e;++s<n&&(o*=256);)e<0&&0===i&&0!==this[t+s-1]&&(i=1),this[t+s]=(e/o>>0)-i&255;return t+n},Buffer.prototype.writeIntBE=function writeIntBE(e,t,n,r){if(e=+e,t|=0,!r){var a=Math.pow(2,8*n-1);checkInt(this,e,t,n,a-1,-a)}var s=n-1,o=1,i=0;for(this[t+s]=255&e;--s>=0&&(o*=256);)e<0&&0===i&&0!==this[t+s+1]&&(i=1),this[t+s]=(e/o>>0)-i&255;return t+n},Buffer.prototype.writeInt8=function writeInt8(e,t,n){return 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r=e("util"),a=e("extend-object"),s=e("jingle-session"),o=e("rtcpeerconnection"),i=e("filetransfer/hashed");r.inherits(FileTransferSession,s),FileTransferSession.prototype=a(FileTransferSession.prototype,{start:function(e){var t=this;this.state="pending",this.pc.isInitiator=!0,this.sender=new i.Sender,this.sender.on("progress",function(e,n){t._log("info","Send progress "+e+"/"+n)}),this.sender.on("sentFile",function(e){t._log("info","Sent file",e.name);var n=t.pc.localDescription.contents[0];delete n.transport,n.application={applicationType:"filetransfer",offer:{hash:{algo:e.algo,value:e.hash}}},t.send("description-info",{contents:[n]}),t.emit("sentFile",t,e)});var n=this.pc.createDataChannel("filetransfer");n.onopen=function(){t.sender.send(e,n)};var r={mandatory:{OfferToReceiveAudio:!1,OfferToReceiveVideo:!1}};this.pc.offer(r,function(n,r){return n?(t._log("error","Could not create WebRTC offer",n),t.end("failed-application",!0)):(r.jingle.contents[0].application={applicationType:"filetransfer",offer:{date:e.lastModifiedDate,name:e.name,size:e.size,hash:{algo:"sha-1",value:""}}},void t.send("session-initiate",r.jingle))})},accept:function(){var e=this;this._log("info","Accepted incoming session"),this.state="active",this.pc.answer(function(t,n){return t?(e._log("error","Could not create WebRTC answer",t),e.end("failed-application")):void e.send("session-accept",n.jingle)})},end:function(e,t){this.pc.close(),s.prototype.end.call(this,e,t)},maybeReceivedFile:function(){this.receiver.metadata.hash.value&&(this.receiver.metadata.hash.value===this.receiver.metadata.actualhash?(this._log("info","File hash matches"),this.emit("receivedFile",this,this.receivedFile,this.receiver.metadata),this.end("success")):(this._log("error","File hash does not match"),this.end("media-error")))},onIceCandidate:function(e){this._log("info","Discovered new ICE candidate",e.jingle),this.send("transport-info",e.jingle)},onIceStateChange:function(){switch(this.pc.iceConnectionState){case"checking":this.connectionState="connecting";break;case"completed":case"connected":this.connectionState="connected";break;case"disconnected":"stable"===this.pc.signalingState?this.connectionState="interrupted":this.connectionState="disconnected";break;case"failed":this.connectionState="failed",this.end("failed-transport");break;case"closed":this.connectionState="disconnected"}},onChannelAdded:function(e){this.receiver.receive(null,e)},onSessionInitiate:function(e,t){var n=this;this._log("info","Initiating incoming session"),this.state="pending",this.pc.isInitiator=!1;var r=e.contents[0].application;this.receiver=new i.Receiver({hash:r.offer.hash.algo}),this.receiver.on("progress",function(e,t){n._log("info","Receive progress "+e+"/"+t)}),this.receiver.on("receivedFile",function(e){n.receivedFile=e,n.maybeReceivedFile()}),this.receiver.metadata=r.offer,e.contents[0].application={applicationType:"datachannel"},this.pc.handleOffer({type:"offer",jingle:e},function(e){return e?(n._log("error","Could not create WebRTC answer"),t({condition:"general-error"})):void t()})},onSessionAccept:function(e,t){var n=this;this.state="active",e.contents[0].application={applicationType:"datachannel"},this.pc.handleAnswer({type:"answer",jingle:e},function(e){return e?(n._log("error","Could not process WebRTC answer"),t({condition:"general-error"})):(n.emit("accepted",n),void t())})},onSessionTerminate:function(e,t){this._log("info","Terminating session"),this.pc.close(),s.prototype.end.call(this,e.reason,!0),t()},onDescriptionInfo:function(e,t){var n=e.contents[0].application.offer.hash;this.receiver.metadata.hash=n,this.receiver.metadata.actualhash&&this.maybeReceivedFile(),t()},onTransportInfo:function(e,t){this.pc.processIce(e,function(){t()})}}),t.exports=FileTransferSession},{"extend-object":"/stanza.io-8.0.2/node_modules/extend-object/extend-object.js","filetransfer/hashed":"/stanza.io-8.0.2/node_modules/filetransfer/hashed.js","jingle-session":"/stanza.io-8.0.2/node_modules/jingle-session/index.js",rtcpeerconnection:"/stanza.io-8.0.2/node_modules/rtcpeerconnection/rtcpeerconnection.js",util:"/stanza.io-8.0.2/node_modules/util/util.js"}],"/stanza.io-8.0.2/node_modules/jingle-media-session/index.js":[function(e,t,n){function filterContentSources(e,t){"rtp"===e.application.applicationType&&(delete e.transport,delete e.application.payloads,delete e.application.headerExtensions,e.application.mux=!1,e.application.sources&&(e.application.sources=e.application.sources.filter(function(e){return t.id===e.parameters[1].value.split(" ")[0]})),e.application.sourceGroups&&(e.application.sourceGroups=e.application.sourceGroups.filter(function(t){for(var n=!1,r=0;r<e.application.sources.length;r++)if(e.application.sources[r].ssrc===t.sources[0]){n=!0;break}return n})))}function filterUnusedLabels(e){var t=e.application.sources||[];t.forEach(function(e){e.parameters=e.parameters.filter(function(e){return!("mslabel"===e.key||"label"===e.key)})})}function MediaSession(e){s.call(this,e),this.pc=new o({iceServers:e.iceServers||[],useJingle:!0},e.constraints||{}),this.pc.on("ice",this.onIceCandidate.bind(this,e)),this.pc.on("endOfCandidates",this.onIceEndOfCandidates.bind(this,e)),this.pc.on("iceConnectionStateChange",this.onIceStateChange.bind(this)),this.pc.on("addStream",this.onAddStream.bind(this)),this.pc.on("removeStream",this.onRemoveStream.bind(this)),this.pc.on("addChannel",this.onAddChannel.bind(this)),e.stream&&this.addStream(e.stream),this._ringing=!1}var r=e("util"),a=e("extend-object"),s=e("jingle-session"),o=e("rtcpeerconnection");r.inherits(MediaSession,s),Object.defineProperties(MediaSession.prototype,{ringing:{get:function(){return this._ringing},set:function(e){e!==this._ringing&&(this._ringing=e,this.emit("change:ringing",e))}},streams:{get:function(){return"closed"!==this.pc.signalingState?this.pc.getRemoteStreams():[]}}}),MediaSession.prototype=a(MediaSession.prototype,{start:function(e,t){var n=this;this.state="pending",t=t||function(){},this.pc.isInitiator=!0,this.pc.offer(e,function(r,a){return r?(n._log("error","Could not create WebRTC offer",r),n.end("failed-application",!0)):(e&&e.mandatory&&a.jingle.contents.forEach(function(t){var n=t.application.media;t.description&&"rtp"===t.application.applicationType&&(e.mandatory.OfferToReceiveAudio||"audio"!==n||(t.senders="initiator"),e.mandatory.OfferToReceiveVideo||"video"!==n||(t.senders="initiator"))}),a.jingle.contents.forEach(filterUnusedLabels),n.send("session-initiate",a.jingle),void t())})},accept:function(e,t){var n=this;1===arguments.length&&"function"==typeof e&&(t=e,e={}),t=t||function(){},e=e||{};var r=e.constraints||{mandatory:{OfferToReceiveAudio:!0,OfferToReceiveVideo:!0}};this._log("info","Accepted incoming session"),this.state="active",this.pc.answer(r,function(e,r){return e?(n._log("error","Could not create WebRTC answer",e),n.end("failed-application")):(r.jingle.contents.forEach(filterUnusedLabels),n.send("session-accept",r.jingle),void t())})},end:function(e,t){var n=this;this.streams.forEach(function(e){n.onRemoveStream({stream:e})}),this.pc.close(),s.prototype.end.call(this,e,t)},ring:function(){this._log("info","Ringing on incoming session"),this.ringing=!0,this.send("session-info",{ringing:!0})},mute:function(e,t){this._log("info","Muting",t),this.send("session-info",{mute:{creator:e,name:t}})},unmute:function(e,t){this._log("info","Unmuting",t),this.send("session-info",{unmute:{creator:e,name:t}})},hold:function(){this._log("info","Placing on hold"),this.send("session-info",{hold:!0})},resume:function(){this._log("info","Resuming from hold"),this.send("session-info",{active:!0})},addStream:function(e,t,n){var r=this;n=n||function(){},this.pc.addStream(e),t&&this.pc.handleOffer({type:"offer",jingle:this.pc.remoteDescription},function(t){return t?(r._log("error","Could not create offer for adding new stream"),n(t)):void r.pc.answer(function(t,a){return t?(r._log("error","Could not create answer for adding new stream"),n(t)):(a.jingle.contents.forEach(function(t){filterContentSources(t,e)}),a.jingle.contents=a.jingle.contents.filter(function(e){return"rtp"===e.application.applicationType&&e.application.sources&&e.application.sources.length}),delete a.jingle.groups,r.send("source-add",a.jingle),void n())})})},addStream2:function(e,t){this.addStream(e,!0,t)},removeStream:function(e,t,n){var r=this;if(n=n||function(){},!t)return void this.pc.removeStream(e);var a=this.pc.localDescription;a.contents.forEach(function(t){filterContentSources(t,e)}),a.contents=a.contents.filter(function(e){return"rtp"===e.application.applicationType&&e.application.sources&&e.application.sources.length}),delete a.groups,this.send("source-remove",a),this.pc.removeStream(e),this.pc.handleOffer({type:"offer",jingle:this.pc.remoteDescription},function(e){return e?(r._log("error","Could not process offer for removing stream"),n(e)):void r.pc.answer(function(e){return e?(r._log("error","Could not process answer for removing stream"),n(e)):void n()})})},removeStream2:function(e,t){this.removeStream(e,!0,t)},switchStream:function(e,t,n){var r=this;n=n||function(){};var a=this.pc.localDescription;a.contents.forEach(function(e){delete e.transport,delete e.application.payloads}),this.pc.removeStream(e),this.send("source-remove",a),this.pc.addStream(t),this.pc.handleOffer({type:"offer",jingle:this.pc.remoteDescription},function(e){return e?(r._log("error","Could not process offer for switching streams"),n(e)):void r.pc.answer(function(e,t){return e?(r._log("error","Could not process answer for switching streams"),n(e)):(t.jingle.contents.forEach(function(e){delete e.transport,delete e.application.payloads}),r.send("source-add",t.jingle),void n())})})},onIceCandidate:function(e,t){this._log("info","Discovered new ICE candidate",t.jingle),this.send("transport-info",t.jingle),e.signalEndOfCandidates&&(this.lastCandidate=t)},onIceEndOfCandidates:function(e){if(this._log("info","ICE end of candidates"),e.signalEndOfCandidates){var t=this.lastCandidate.jingle;t.contents[0].transport={transportType:t.contents[0].transport.transportType,gatheringComplete:!0},this.lastCandidate=null,this.send("transport-info",t)}},onIceStateChange:function(){switch(this.pc.iceConnectionState){case"checking":this.connectionState="connecting";break;case"completed":case"connected":this.connectionState="connected";break;case"disconnected":"stable"===this.pc.signalingState?this.connectionState="interrupted":this.connectionState="disconnected";break;case"failed":this.connectionState="failed",this.end("failed-transport");break;case"closed":this.connectionState="disconnected"}},onAddStream:function(e){this._log("info","Stream added"),this.emit("peerStreamAdded",this,e.stream)},onRemoveStream:function(e){this._log("info","Stream removed"),this.emit("peerStreamRemoved",this,e.stream)},onSessionInitiate:function(e,t){var n=this;this._log("info","Initiating incoming session"),this.state="pending",this.pc.isInitiator=!1,this.pc.handleOffer({type:"offer",jingle:e},function(e){return e?(n._log("error","Could not create WebRTC answer"),t({condition:"general-error"})):void t()})},onSessionAccept:function(e,t){var n=this;this.state="active",this.pc.handleAnswer({type:"answer",jingle:e},function(e){return e?(n._log("error","Could not process WebRTC answer"),t({condition:"general-error"})):(n.emit("accepted",n),void t())})},onSessionTerminate:function(e,t){var n=this;this._log("info","Terminating session"),this.streams.forEach(function(e){n.onRemoveStream({stream:e})}),this.pc.close(),s.prototype.end.call(this,e.reason,!0),t()},onSessionInfo:function(e,t){return e.ringing?(this._log("info","Outgoing session is ringing"),this.ringing=!0,this.emit("ringing",this),t()):e.hold?(this._log("info","On hold"),this.emit("hold",this),t()):e.active?(this._log("info","Resuming from hold"),this.emit("resumed",this),t()):e.mute?(this._log("info","Muting",e.mute),this.emit("mute",this,e.mute),t()):e.unmute?(this._log("info","Unmuting",e.unmute),this.emit("unmute",this,e.unmute),t()):void t()},onTransportInfo:function(e,t){this.pc.processIce(e,function(){t()})},onSourceAdd:function(e,t){var n=this;this._log("info","Adding new stream source");var r=this.pc.remoteDescription;this.pc.remoteDescription.contents.forEach(function(t,n){var a=t.application,s=a.sources||[],o=a.sourceGroups||[];e.contents.forEach(function(e){if(t.name===e.name){var a=e.application,i=a.sources||[];s=s.concat(i),r.contents[n].application.sources=JSON.parse(JSON.stringify(s));var c=a.sourceGroups||[];o=o.concat(c),r.contents[n].application.sourceGroups=JSON.parse(JSON.stringify(o))}})}),this.pc.handleOffer({type:"offer",jingle:r},function(e){return e?(n._log("error","Error adding new stream source"),t({condition:"general-error"})):void n.pc.answer(function(e){return e?(n._log("error","Error adding new stream source"),t({condition:"general-error"})):void t()})})},onSourceRemove:function(e,t){var n=this;this._log("info","Removing stream source");var r=this.pc.remoteDescription;this.pc.remoteDescription.contents.forEach(function(t,n){var a=t.application,s=a.sources||[],o=a.sourceGroups||[];e.contents.forEach(function(e){if(t.name===e.name){var a,i,c,l,u=e.application,d=u.sources||[],p=u.sourceGroups||[];for(i=0;i<d.length;i++){for(a=-1,c=0;c<s.length;c++)if(d[i].ssrc===s[c].ssrc){a=c;break}a>-1&&(s.splice(a,1),r.contents[n].application.sources=JSON.parse(JSON.stringify(s)))}for(i=0;i<p.length;i++){for(a=-1,c=0;c<o.length;c++)if(p[i].semantics===o[c].semantics&&p[i].sources.length===o[c].sources.length){var f=!0;for(l=0;l<p[i].sources.length;l++)if(p[i].sources[l]!==o[c].sources[l]){f=!1;break}if(f){a=c;break}}a>-1&&(o.splice(a,1),r.contents[n].application.sourceGroups=JSON.parse(JSON.stringify(o)))}}})}),this.pc.handleOffer({type:"offer",jingle:r},function(e){return e?(n._log("error","Error removing stream source"),t({condition:"general-error"})):void n.pc.answer(function(e){return e?(n._log("error","Error removing stream source"),t({condition:"general-error"})):void t()})})},onAddChannel:function(e){this.emit("addChannel",e)}}),t.exports=MediaSession},{"extend-object":"/stanza.io-8.0.2/node_modules/extend-object/extend-object.js","jingle-session":"/stanza.io-8.0.2/node_modules/jingle-session/index.js",rtcpeerconnection:"/stanza.io-8.0.2/node_modules/rtcpeerconnection/rtcpeerconnection.js",util:"/stanza.io-8.0.2/node_modules/util/util.js"}],"/stanza.io-8.0.2/node_modules/jingle-session/index.js":[function(e,t,n){function JingleSession(e){i.call(this);var t=this;this.sid=e.sid||a.v4(),this.peer=e.peer,this.peerID=e.peerID||this.peer.full||this.peer,this.isInitiator=e.initiator||!1,this.parent=e.parent,this.state="starting",this.connectionState="starting",this.pendingApplicationTypes=e.applicationTypes||[],this.pendingAction=!1,this.processingQueue=s.queue(function(e,n){if(t.ended)return n();var r=e.action,a=e.changes,s=e.cb;return t._log("debug",r),c[r]?void t[c[r]](a,function(e,t){return s(e,t),n()}):(t._log("error","Invalid action: "+r),s({condition:"bad-request"}),n())})}var r=e("util"),a=e("uuid"),s=e("async"),o=e("extend-object"),i=e("wildemitter"),c={"content-accept":"onContentAccept","content-add":"onContentAdd","content-modify":"onConentModify","content-reject":"onContentReject","content-remove":"onContentRemove","description-info":"onDescriptionInfo","security-info":"onSecurityInfo","session-accept":"onSessionAccept","session-info":"onSessionInfo","session-initiate":"onSessionInitiate","session-terminate":"onSessionTerminate","transport-accept":"onTransportAccept","transport-info":"onTransportInfo","transport-reject":"onTransportReject","transport-replace":"onTransportReplace","source-add":"onSourceAdd","source-remove":"onSourceRemove"};r.inherits(JingleSession,i),Object.keys(c).forEach(function(e){var t=c[e];JingleSession.prototype[t]=function(t,n){this._log("error","Unsupported action: "+e),n()}}),Object.defineProperties(JingleSession.prototype,{state:{get:function(){return this._sessionState},set:function(e){if(e!==this._sessionState){var t=this._sessionState;this._log("info","Changing session state to: "+e),this._sessionState=e,this.emit("change:sessionState",this,e),this.emit("change:"+e,this,!0),t&&this.emit("change:"+t,this,!1)}}},connectionState:{get:function(){return this._connectionState},set:function(e){if(e!==this._connectionState){var t=this._connectionState;this._log("info","Changing connection state to: "+e),this._connectionState=e,this.emit("change:connectionState",this,e),this.emit("change:"+e,this,!0),t&&this.emit("change:"+t,this,!1)}}},starting:{get:function(){return"starting"===this._sessionState}},pending:{get:function(){return"pending"===this._sessionState}},active:{get:function(){return"active"===this._sessionState}},ended:{get:function(){return"ended"===this._sessionState}},connected:{get:function(){return"connected"===this._connectionState}},connecting:{get:function(){return"connecting"===this._connectionState}},disconnected:{get:function(){return"disconnected"===this._connectionState}},interrupted:{get:function(){return"interrupted"===this._connectionState}}}),JingleSession.prototype=o(JingleSession.prototype,{_log:function(e,t){t=this.sid+": "+t,this.emit("log:"+e,t)},send:function(e,t){t=t||{},t.sid=this.sid,t.action=e;var n={"session-inititate":!0,"session-accept":!0,"content-add":!0,"content-remove":!0,"content-reject":!0,"content-accept":!0,"content-modify":!0,"transport-replace":!0,"transport-reject":!0,"transport-accept":!0,"source-add":!0,"source-remove":!0};n[e]?this.pendingAction=e:this.pendingAction=!1,this.emit("send",{to:this.peer,type:"set",jingle:t})},process:function(e,t,n){this.processingQueue.push({action:e,changes:t,cb:n})},start:function(){this._log("error","Can not start base sessions"),this.end("unsupported-applications",!0)},accept:function(){this._log("error","Can not accept base sessions"),this.end("unsupported-applications")},cancel:function(){this.end("cancel")},decline:function(){this.end("decline")},end:function(e,t){this.state="ended",this.processingQueue.kill(),e||(e="success"),"string"==typeof e&&(e={condition:e}),t||this.send("session-terminate",{reason:e}),this.emit("terminated",this,e)},onSessionTerminate:function(e,t){this.end(e.reason,!0),t()},onSessionInfo:function(e,t){var n={sid:!0,action:!0,initiator:!0,responder:!0},r=!1;Object.keys(e).forEach(function(e){n[e]||(r=!0)}),r?t({type:"modify",condition:"feature-not-implemented",jingleCondition:"unsupported-info"}):t()},onDescriptionInfo:function(e,t){t({type:"modify",condition:"feature-not-implemented",jingleCondition:"unsupported-info"})},onTransportInfo:function(e,t){t({type:"modify",condition:"feature-not-implemented",jingleCondition:"unsupported-info"})},onContentAdd:function(e,t){t(),this.send("content-reject",{reason:{condition:"failed-application",text:"content-add is not supported"}})},onTransportReplace:function(e,t){t(),this.send("transport-reject",{reason:{condition:"failed-application",text:"transport-replace is not supported"}})}}),t.exports=JingleSession},{async:"/stanza.io-8.0.2/node_modules/async/lib/async.js","extend-object":"/stanza.io-8.0.2/node_modules/extend-object/extend-object.js",util:"/stanza.io-8.0.2/node_modules/util/util.js",uuid:"/stanza.io-8.0.2/node_modules/uuid/uuid.js",wildemitter:"/stanza.io-8.0.2/node_modules/wildemitter/wildemitter.js"}],"/stanza.io-8.0.2/node_modules/jingle/index.js":[function(e,t,n){
function SessionManager(e){s.call(this),e=e||{},this.jid=e.jid,this.selfID=e.selfID||this.jid&&this.jid.full||this.jid||"",this.sessions={},this.peers={},this.prepareSession=e.prepareSession||function(e){return e.applicationTypes.indexOf("rtp")>=0?new c(e):e.applicationTypes.indexOf("filetransfer")>=0?new l(e):void 0},this.performTieBreak=e.performTieBreak||function(e,t){var n=t.jingle.contents.map(function(e){if(e.application)return e.application.applicationType}),r=a(e.pendingApplicationTypes,n);return r.length>0},this.screenSharingSupport=o.screenSharing,this.capabilities=["urn:xmpp:jingle:1"],o.support&&(this.capabilities=["urn:xmpp:jingle:1","urn:xmpp:jingle:apps:rtp:1","urn:xmpp:jingle:apps:rtp:audio","urn:xmpp:jingle:apps:rtp:video","urn:xmpp:jingle:apps:rtp:rtcb-fb:0","urn:xmpp:jingle:apps:rtp:rtp-hdrext:0","urn:xmpp:jingle:apps:rtp:ssma:0","urn:xmpp:jingle:apps:dtls:0","urn:xmpp:jingle:apps:grouping:0","urn:xmpp:jingle:apps:file-transfer:3","urn:xmpp:jingle:transports:ice-udp:1","urn:xmpp:jingle:transports.dtls-sctp:1","urn:ietf:rfc:3264","urn:ietf:rfc:5576","urn:ietf:rfc:5888"]),this.config={debug:!1,peerConnectionConfig:{iceServers:e.iceServers||[{url:"stun:stun.l.google.com:19302"}]},peerConnectionConstraints:{optional:[{DtlsSrtpKeyAgreement:!0},{RtpDataChannels:!1}]},media:{audio:!0,video:!0}};for(var t in e)this.config[t]=e[t];this.iceServers=this.config.peerConnectionConfig.iceServers}var r=e("util"),a=e("intersect"),s=e("wildemitter"),o=e("webrtcsupport"),i=e("jingle-session"),c=e("jingle-media-session"),l=e("jingle-filetransfer-session");r.inherits(SessionManager,s),SessionManager.prototype.addICEServer=function(e){"string"==typeof e&&(e={url:e}),this.iceServers.push(e)},SessionManager.prototype.addSession=function(e){var t=this,n=e.sid,r=e.peerID;return this.sessions[n]=e,this.peers[r]||(this.peers[r]=[]),this.peers[r].push(e),e.on("terminated",function(){var a=t.peers[r]||[];a.length&&a.splice(a.indexOf(e),1),delete t.sessions[n]}),e.on("*",function(n,r,a,s){if("send"===n){var o=r.jingle&&r.jingle.action;e.isInitiator&&"session-initiate"===o&&t.emit("outgoing",e)}!t.config.debug||"log:debug"!==n&&"log:error"!==n||console.log("Jingle:",r,a,s),0!==n.indexOf("change")&&t.emit(n,r,a,s)}),this.emit("createdSession",e),e},SessionManager.prototype.createMediaSession=function(e,t,n){var r=new c({sid:t,peer:e,initiator:!0,stream:n,parent:this,iceServers:this.iceServers,constraints:this.config.peerConnectionConstraints});return this.addSession(r),r},SessionManager.prototype.createFileTransferSession=function(e,t){var n=new l({sid:t,peer:e,initiator:!0,parent:this});return this.addSession(n),n},SessionManager.prototype.endPeerSessions=function(e,t,n){e=e.full||e;var r=this.peers[e]||[];delete this.peers[e],r.forEach(function(e){e.end(t||"gone",n)})},SessionManager.prototype.endAllSessions=function(e,t){var n=this;Object.keys(this.peers).forEach(function(r){n.endPeerSessions(r,e,t)})},SessionManager.prototype._createIncomingSession=function(e,t){var n;return this.prepareSession&&(n=this.prepareSession(e,t)),n||(n=new i(e)),this.addSession(n),n},SessionManager.prototype._sendError=function(e,t,n){n.type||(n.type="cancel"),this.emit("send",{to:e,id:t,type:"error",error:n})},SessionManager.prototype._log=function(e,t){this.emit("log:"+e,t)},SessionManager.prototype.process=function(e){var t=this,n=e.jingle?e.jingle.sid:null,r=this.sessions[n]||null,a=e.id,s=e.from.full||e.from;if("error"===e.type){var o=e.error&&"tie-break"===e.error.jingleCondition;return r&&r.pending&&o?r.end("alternative-session",!0):(r&&(r.pendingAction=!1),this.emit("error",e))}if("result"===e.type)return void(r&&(r.pendingAction=!1));var i=e.jingle.action,c=e.jingle.contents||[],l=c.map(function(e){if(e.application)return e.application.applicationType}),u=c.map(function(e){if(e.transport)return e.transport.transportType});if("session-initiate"!==i){if(!r)return this._log("error","Unknown session",n),this._sendError(s,a,{condition:"item-not-found",jingleCondition:"unknown-session"});if(r.peerID!==s||r.ended)return this._log("error","Session has ended, or action has wrong sender"),this._sendError(s,a,{condition:"item-not-found",jingleCondition:"unknown-session"});if("session-accept"===i&&!r.pending)return this._log("error","Tried to accept session twice",n),this._sendError(s,a,{condition:"unexpected-request",jingleCondition:"out-of-order"});if("session-terminate"!==i&&i===r.pendingAction&&(this._log("error","Tie break during pending request"),r.isInitiator))return this._sendError(s,a,{condition:"conflict",jingleCondition:"tie-break"})}else if(r){if(r.peerID!==s)return this._log("error","Duplicate sid from new sender"),this._sendError(s,a,{condition:"service-unavailable"});if(!r.pending)return this._log("error","Someone is doing this wrong"),this._sendError(s,a,{condition:"unexpected-request",jingleCondition:"out-of-order"});if(this.selfID>r.peerID&&this.performTieBreak(r,e))return this._log("error","Tie break new session because of duplicate sids"),this._sendError(s,a,{condition:"conflict",jingleCondition:"tie-break"})}else if(this.peers[s]&&this.peers[s].length)for(var d=0,p=this.peers[s].length;d<p;d++){var f=this.peers[s][d];if(f&&f.pending&&f.sid>n&&this.performTieBreak(f,e))return this._log("info","Tie break session-initiate"),this._sendError(s,a,{condition:"conflict",jingleCondition:"tie-break"})}if("session-initiate"===i){if(!c.length)return t._sendError(s,a,{condition:"bad-request"});r=this._createIncomingSession({sid:n,peer:e.from,peerID:s,initiator:!1,parent:this,applicationTypes:l,transportTypes:u,iceServers:this.iceServers,constraints:this.config.peerConnectionConstraints},e)}r.process(i,e.jingle,function(n){n?(t._log("error","Could not process 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r=e("./shortcuts"),a=_interopRequireDefault(r),s=e("./types"),o=_interopRequireDefault(s);n.default=function(e){e.use(o.default),e.use(a.default)},t.exports=n.default},{"./shortcuts":"/stanza.io-8.0.2/node_modules/jxt-xmpp-types/lib/shortcuts.js","./types":"/stanza.io-8.0.2/node_modules/jxt-xmpp-types/lib/types.js"}],"/stanza.io-8.0.2/node_modules/jxt-xmpp-types/lib/shortcuts.js":[function(e,t,n){"use strict";Object.defineProperty(n,"__esModule",{value:!0});var r=e("xmpp-constants"),a={client:r.Namespace.CLIENT,server:r.Namespace.SERVER,component:r.Namespace.COMPONENT};n.default=function(e){e.extendMessage=function(e,t){var n=this;this.withMessage(function(r){n.extend(r,e,t)})},e.extendPresence=function(e,t){var n=this;this.withPresence(function(r){n.extend(r,e,t)})},e.extendIQ=function(e,t){var n=this;this.withIQ(function(r){n.extend(r,e,t)})},e.extendStreamFeatures=function(e){var t=this;this.withStreamFeatures(function(n){t.extend(n,e)})},e.extendPubsubItem=function(e){var t=this;this.withPubsubItem(function(n){t.extend(n,e)})},e.withIQ=function(e){this.withDefinition("iq",r.Namespace.CLIENT,e),this.withDefinition("iq",r.Namespace.COMPONENT,e)},e.withMessage=function(e){this.withDefinition("message",r.Namespace.CLIENT,e),this.withDefinition("message",r.Namespace.COMPONENT,e)},e.withPresence=function(e){this.withDefinition("presence",r.Namespace.CLIENT,e),this.withDefinition("presence",r.Namespace.COMPONENT,e)},e.withStreamFeatures=function(e){this.withDefinition("features",r.Namespace.STREAM,e)},e.withStanzaError=function(e){this.withDefinition("error",r.Namespace.CLIENT,e),this.withDefinition("error",r.Namespace.COMPONENT,e)},e.withDataForm=function(e){this.withDefinition("x",r.Namespace.DATAFORM,e)},e.withPubsubItem=function(e){this.withDefinition("item",r.Namespace.PUBSUB,e),this.withDefinition("item",r.Namespace.PUBSUB_EVENT,e)},e.getMessage=function(){var e=void 0===arguments[0]?"client":arguments[0];return this.getDefinition("message",a[e])},e.getPresence=function(){var e=void 0===arguments[0]?"client":arguments[0];return this.getDefinition("presence",a[e])},e.getIQ=function(){var e=void 0===arguments[0]?"client":arguments[0];return this.getDefinition("iq",a[e])},e.getStreamError=function(){return this.getDefinition("error",r.Namespace.STREAM)},e.getIq=e.getIQ,e.withIq=e.withIQ},t.exports=n.default},{"xmpp-constants":"/stanza.io-8.0.2/node_modules/xmpp-constants/index.js"}],"/stanza.io-8.0.2/node_modules/jxt-xmpp-types/lib/types.js":[function(e,t,n){"use strict";Object.defineProperty(n,"__esModule",{value:!0});var r=e("xmpp-jid");n.default=function(e){var t=e.utils;t.jidAttribute=function(e,n){return{get:function get(){var a=new r.JID(t.getAttribute(this.xml,e));return n&&(a.prepped=!0),a},set:function set(n){t.setAttribute(this.xml,e,(n||"").toString())}}},t.jidSub=function(e,n,a){return{get:function get(){var s=new r.JID(t.getSubText(this.xml,e,n));return 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a=t.createElement(r.Namespace.BLOCKING,"item",r.Namespace.BLOCKING);t.setAttribute(a,"jid",e.toString()),n.xml.appendChild(a)})}},s=e.define({name:"block",namespace:r.Namespace.BLOCKING,element:"block",fields:{jids:n}}),o=e.define({name:"unblock",namespace:r.Namespace.BLOCKING,element:"unblock",fields:{jids:n}}),i=e.define({name:"blockList",namespace:r.Namespace.BLOCKING,element:"blocklist",fields:{jids:n}});e.extendIQ(s),e.extendIQ(o),e.extendIQ(i)},t.exports=n.default},{"xmpp-constants":"/stanza.io-8.0.2/node_modules/xmpp-constants/index.js","xmpp-jid":"/stanza.io-8.0.2/node_modules/xmpp-jid/index.js"}],"/stanza.io-8.0.2/node_modules/jxt-xmpp/lib/bob.js":[function(e,t,n){"use strict";Object.defineProperty(n,"__esModule",{value:!0});var r=e("xmpp-constants");n.default=function(e){var 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get(){return t.getMultiSubText(this.xml,r.Namespace.MUC_USER,"status",function(e){
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set(t){t&&(this.pubsubCondition="unsupported"),e.utils.setSubAttribute(this.xml,r.Namespace.PUBSUB_ERRORS,"unsupported","feature",t)}})})},t.exports=n.default},{"xmpp-constants":"/stanza.io-8.0.2/node_modules/xmpp-constants/index.js"}],"/stanza.io-8.0.2/node_modules/jxt-xmpp/lib/pubsubEvents.js":[function(e,t,n){"use strict";Object.defineProperty(n,"__esModule",{value:!0});var r=e("xmpp-constants");n.default=function(e){var t=e.utils,n=e.define({name:"event",namespace:r.Namespace.PUBSUB_EVENT,element:"event"}),a=e.define({name:"purged",namespace:r.Namespace.PUBSUB_EVENT,element:"purge",fields:{node:t.attribute("node")}}),s=e.define({name:"deleted",namespace:r.Namespace.PUBSUB_EVENT,element:"delete",fields:{node:t.attribute("node"),redirect:t.subAttribute(r.Namespace.PUBSUB_EVENT,"redirect","uri")}}),o=e.define({name:"subscriptionChanged",namespace:r.Namespace.PUBSUB_EVENT,element:"subscription",fields:{node:t.attribute("node"),jid:t.jidAttribute("jid"),type:t.attribute("subscription"),subid:t.attribute("subid"),expiry:{get:function get(){var e=t.getAttribute(this.xml,"expiry");return"presence"===e?e:e?new Date(e):void 0},set:function set(e){e&&("string"!=typeof e&&(e=e.toISOString()),t.setAttribute(this.xml,"expiry",e))}}}}),i=e.define({name:"configurationChanged",namespace:r.Namespace.PUBSUB_EVENT,element:"configuration",fields:{node:t.attribute("node")}}),c=e.define({name:"updated",namespace:r.Namespace.PUBSUB_EVENT,element:"items",fields:{node:t.attribute("node"),retracted:{get:function get(){var e=[],n=t.find(this.xml,r.Namespace.PUBSUB_EVENT,"retract");return n.forEach(function(t){e.push(t.getAttribute("id"))}),e},set:function set(e){e.forEach(function(e){var n=t.createElement(r.Namespace.PUBSUB_EVENT,"retract",r.Namespace.PUBSUB_EVENT);n.setAttribute("id",e),this.xml.appendChild(n)})}}}}),l=e.define({name:"_eventItem",namespace:r.Namespace.PUBSUB_EVENT,element:"item",fields:{id:t.attribute("id"),node:t.attribute("node"),publisher:t.jidAttribute("publisher")}});e.extend(c,l,"published"),e.extend(n,c),e.extend(n,o),e.extend(n,i),e.extend(n,s),e.extend(n,a),e.extendMessage(n),e.withDataForm(function(t){e.extend(i,t)})},t.exports=n.default},{"xmpp-constants":"/stanza.io-8.0.2/node_modules/xmpp-constants/index.js"}],"/stanza.io-8.0.2/node_modules/jxt-xmpp/lib/pubsubOwner.js":[function(e,t,n){"use strict";Object.defineProperty(n,"__esModule",{value:!0});var r=e("xmpp-constants");n.default=function(e){var 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e=t.find(this.xml,r.Namespace.PUBSUB_OWNER,"subscribe-options");return!!e.length&&t.getBoolSub(e[0],r.Namespace.PUBSUB_OWNER,"required")}}}}),s=e.define({name:"subscriptions",namespace:r.Namespace.PUBSUB_OWNER,element:"subscriptions",fields:{node:t.attribute("node")}}),o=e.define({name:"affiliation",namespace:r.Namespace.PUBSUB_OWNER,element:"affiliation",fields:{jid:t.jidAttribute("jid"),type:t.attribute("affiliation")}}),i=e.define({name:"affiliations",namespace:r.Namespace.PUBSUB_OWNER,element:"affiliations",fields:{node:t.attribute("node")}}),c=e.define({name:"config",namespace:r.Namespace.PUBSUB_OWNER,element:"configure",fields:{node:t.attribute("node")}});e.extend(n,c),e.extend(n,s),e.extend(n,i),e.extend(s,a,"list"),e.extend(i,o,"list"),e.extendIQ(n),e.withDataForm(function(t){e.extend(c,t)})},t.exports=n.default},{"xmpp-constants":"/stanza.io-8.0.2/node_modules/xmpp-constants/index.js"}],"/stanza.io-8.0.2/node_modules/jxt-xmpp/lib/push.js":[function(e,t,n){"use 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e=[],n=t.find(this.xml,r.Namespace.JINGLE_RTP_SSMA_0,"parameter");return n.forEach(function(n){e.push({key:t.getAttribute(n,"name"),value:t.getAttribute(n,"value")})}),e},set:function set(e){var n=this;e.forEach(function(e){var a=t.createElement(r.Namespace.JINGLE_RTP_SSMA_0,"parameter");t.setAttribute(a,"name",e.key),t.setAttribute(a,"value",e.value),n.xml.appendChild(a)})}}}}),d=e.define({name:"mute",namespace:r.Namespace.JINGLE_RTP_INFO_1,element:"mute",fields:{creator:t.attribute("creator"),name:t.attribute("name")}}),p=e.define({name:"unmute",namespace:r.Namespace.JINGLE_RTP_INFO_1,element:"unmute",fields:{creator:t.attribute("creator"),name:t.attribute("name")}});e.extend(s,a),e.extend(s,o,"payloads"),e.extend(s,u,"sources"),e.extend(s,l,"sourceGroups"),e.withDefinition("content",r.Namespace.JINGLE_1,function(t){e.extend(t,s)}),e.withDefinition("jingle",r.Namespace.JINGLE_1,function(n){e.extend(n,d),e.extend(n,p),e.extend(n,c,"groups"),e.add(n,"ringing",t.boolSub(r.Namespace.JINGLE_RTP_INFO_1,"ringing")),e.add(n,"hold",t.boolSub(r.Namespace.JINGLE_RTP_INFO_1,"hold")),e.add(n,"active",t.boolSub(r.Namespace.JINGLE_RTP_INFO_1,"active"))})},t.exports=n.default},{"xmpp-constants":"/stanza.io-8.0.2/node_modules/xmpp-constants/index.js"}],"/stanza.io-8.0.2/node_modules/jxt-xmpp/lib/rtt.js":[function(e,t,n){"use 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t=e.utils,n=e.define({name:"sasl",namespace:r.Namespace.SASL,element:"mechanisms",fields:{mechanisms:t.multiTextSub(r.Namespace.SASL,"mechanism")}});e.define({name:"saslAuth",eventName:"sasl:auth",namespace:r.Namespace.SASL,element:"auth",topLevel:!0,fields:{value:t.text(),mechanism:t.attribute("mechanism")}}),e.define({name:"saslChallenge",eventName:"sasl:challenge",namespace:r.Namespace.SASL,element:"challenge",topLevel:!0,fields:{value:t.text()}}),e.define({name:"saslResponse",eventName:"sasl:response",namespace:r.Namespace.SASL,element:"response",topLevel:!0,fields:{value:t.text()}}),e.define({name:"saslAbort",eventName:"sasl:abort",namespace:r.Namespace.SASL,element:"abort",topLevel:!0}),e.define({name:"saslSuccess",eventName:"sasl:success",namespace:r.Namespace.SASL,element:"success",topLevel:!0,fields:{value:t.text()}}),e.define({name:"saslFailure",eventName:"sasl:failure",namespace:r.Namespace.SASL,element:"failure",topLevel:!0,fields:{lang:{get:function get(){return 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a=i.browserDetails.browser;this.enableChromeNativeSimulcast=!1,t&&t.optional&&"chrome"===a&&null===navigator.appVersion.match(/Chromium\//)&&t.optional.forEach(function(e){e.enableChromeNativeSimulcast&&(r.enableChromeNativeSimulcast=!0)}),this.enableMultiStreamHacks=!1,t&&t.optional&&"chrome"===a&&t.optional.forEach(function(e){e.enableMultiStreamHacks&&(r.enableMultiStreamHacks=!0)}),this.restrictBandwidth=0,t&&t.optional&&t.optional.forEach(function(e){e.andyetRestrictBandwidth&&(r.restrictBandwidth=e.andyetRestrictBandwidth)}),this.batchIceCandidates=0,t&&t.optional&&t.optional.forEach(function(e){e.andyetBatchIce&&(r.batchIceCandidates=e.andyetBatchIce)}),this.batchedIceCandidates=[],t&&t.optional&&"chrome"===a&&t.optional.forEach(function(e){e.andyetFasterICE&&(r.eliminateDuplicateCandidates=e.andyetFasterICE)}),t&&t.optional&&t.optional.forEach(function(e){e.andyetDontSignalCandidates&&(r.dontSignalCandidates=e.andyetDontSignalCandidates)}),this.assumeSetLocalSuccess=!1,t&&t.optional&&t.optional.forEach(function(e){e.andyetAssumeSetLocalSuccess&&(r.assumeSetLocalSuccess=e.andyetAssumeSetLocalSuccess)}),"firefox"===a&&t&&t.optional&&(this.wtFirefox=0,t.optional.forEach(function(e){e.andyetFirefoxMakesMeSad&&(r.wtFirefox=e.andyetFirefoxMakesMeSad,r.wtFirefox>0&&(r.firefoxcandidatebuffer=[]))})),this.pc=new o(e,t),this.getLocalStreams=this.pc.getLocalStreams.bind(this.pc),this.getRemoteStreams=this.pc.getRemoteStreams.bind(this.pc),this.addStream=this.pc.addStream.bind(this.pc),this.removeStream=this.pc.removeStream.bind(this.pc),this.pc.on("*",function(){r.emit.apply(r,arguments)}),this.pc.onremovestream=this.emit.bind(this,"removeStream"),this.pc.onaddstream=this.emit.bind(this,"addStream"),this.pc.onnegotiationneeded=this.emit.bind(this,"negotiationNeeded"),this.pc.oniceconnectionstatechange=this.emit.bind(this,"iceConnectionStateChange"),this.pc.onsignalingstatechange=this.emit.bind(this,"signalingStateChange"),this.pc.onicecandidate=this._onIce.bind(this),this.pc.ondatachannel=this._onDataChannel.bind(this),this.localDescription={contents:[]},this.remoteDescription={contents:[]},this.config={debug:!1,sid:"",isInitiator:!0,sdpSessionID:Date.now(),useJingle:!1},this.iceCredentials={local:{},remote:{}};for(n in e)this.config[n]=e[n];this.config.debug&&this.on("*",function(){var t=e.logger||console;t.log("PeerConnection event:",arguments)}),this.hadLocalStunCandidate=!1,this.hadRemoteStunCandidate=!1,this.hadLocalRelayCandidate=!1,this.hadRemoteRelayCandidate=!1,this.hadLocalIPv6Candidate=!1,this.hadRemoteIPv6Candidate=!1,this._remoteDataChannels=[],this._localDataChannels=[],this._candidateBuffer=[]}var r=e("util"),a=e("sdp-jingle-json"),s=e("wildemitter"),o=e("traceablepeerconnection"),i=e("webrtc-adapter"),c=e("lodash.clonedeep");r.inherits(PeerConnection,s),Object.defineProperty(PeerConnection.prototype,"signalingState",{get:function(){return this.pc.signalingState}}),Object.defineProperty(PeerConnection.prototype,"iceConnectionState",{get:function(){return this.pc.iceConnectionState}}),PeerConnection.prototype._role=function(){return this.isInitiator?"initiator":"responder"},PeerConnection.prototype.addStream=function(e){this.localStream=e,this.pc.addStream(e)},PeerConnection.prototype._checkLocalCandidate=function(e){var t=a.toCandidateJSON(e);"srflx"==t.type?this.hadLocalStunCandidate=!0:"relay"==t.type&&(this.hadLocalRelayCandidate=!0),t.ip.indexOf(":")!=-1&&(this.hadLocalIPv6Candidate=!0)},PeerConnection.prototype._checkRemoteCandidate=function(e){var t=a.toCandidateJSON(e);"srflx"==t.type?this.hadRemoteStunCandidate=!0:"relay"==t.type&&(this.hadRemoteRelayCandidate=!0),t.ip.indexOf(":")!=-1&&(this.hadRemoteIPv6Candidate=!0)},PeerConnection.prototype.processIce=function(e,t){t=t||function(){};var n=this;if("closed"===this.pc.signalingState)return t();if(e.contents||e.jingle&&e.jingle.contents){var r=this.remoteDescription.contents.map(function(e){return e.name}),s=e.contents||e.jingle.contents;s.forEach(function(e){var s=e.transport||{},o=s.candidates||[],i=r.indexOf(e.name),c=e.name,l=n.remoteDescription.contents.find(function(t){return t.name===e.name}),u=function(){o.forEach(function(e){var t=a.toCandidateSDP(e)+"\r\n";n.pc.addIceCandidate(new RTCIceCandidate({candidate:t,sdpMLineIndex:i,sdpMid:c}),function(){},function(e){n.emit("error",e)}),n._checkRemoteCandidate(t)}),t()};if(n.iceCredentials.remote[e.name]&&s.ufrag&&n.iceCredentials.remote[e.name].ufrag!==s.ufrag)if(l){l.transport.ufrag=s.ufrag,l.transport.pwd=s.pwd;var d={type:"offer",jingle:n.remoteDescription};d.sdp=a.toSessionSDP(d.jingle,{sid:n.config.sdpSessionID,role:n._role(),direction:"incoming"}),n.pc.setRemoteDescription(new RTCSessionDescription(d),function(){u()},function(e){n.emit("error",e)})}else n.emit("error","ice restart failed to find matching content");else u()})}else{if(e.candidate&&0!==e.candidate.candidate.indexOf("a=")&&(e.candidate.candidate="a="+e.candidate.candidate),this.wtFirefox&&null!==this.firefoxcandidatebuffer&&this.pc.localDescription&&"offer"===this.pc.localDescription.type)return this.firefoxcandidatebuffer.push(e.candidate),t();n.pc.addIceCandidate(new RTCIceCandidate(e.candidate),function(){},function(e){n.emit("error",e)}),n._checkRemoteCandidate(e.candidate.candidate),t()}},PeerConnection.prototype.offer=function(e,t){var n=this,r=2===arguments.length,s=r&&e?e:{offerToReceiveAudio:1,offerToReceiveVideo:1};return t=r?t:e,t=t||function(){},"closed"===this.pc.signalingState?t("Already closed"):void this.pc.createOffer(function(e){var r={type:"offer",sdp:e.sdp};n.assumeSetLocalSuccess&&(n.emit("offer",r),t(null,r)),n._candidateBuffer=[],n.pc.setLocalDescription(e,function(){var s;n.config.useJingle&&(s=a.toSessionJSON(e.sdp,{role:n._role(),direction:"outgoing"}),s.sid=n.config.sid,n.localDescription=s,s.contents.forEach(function(e){var t=e.transport||{};t.ufrag&&(n.iceCredentials.local[e.name]={ufrag:t.ufrag,pwd:t.pwd})}),r.jingle=s),r.sdp.split("\r\n").forEach(function(e){0===e.indexOf("a=candidate:")&&n._checkLocalCandidate(e)}),n.assumeSetLocalSuccess||(n.emit("offer",r),t(null,r))},function(e){n.emit("error",e),t(e)})},function(e){n.emit("error",e),t(e)},s)},PeerConnection.prototype.handleOffer=function(e,t){t=t||function(){};var n=this;if(e.type="offer",e.jingle){if(this.enableChromeNativeSimulcast&&e.jingle.contents.forEach(function(e){"video"===e.name&&(e.application.googConferenceFlag=!0)}),this.enableMultiStreamHacks&&e.jingle.contents.forEach(function(e){if("video"===e.name){var t=e.application.sources||[];0!==t.length&&"3735928559"===t[0].ssrc||(t.unshift({ssrc:"3735928559",parameters:[{key:"cname",value:"deadbeef"},{key:"msid",value:"mixyourfecintothis please"}]}),e.application.sources=t)}}),n.restrictBandwidth>0&&e.jingle.contents.length>=2&&"video"===e.jingle.contents[1].name){var r=e.jingle.contents[1],s=r.application&&r.application.bandwidth&&r.application.bandwidth.bandwidth;s||(e.jingle.contents[1].application.bandwidth={type:"AS",bandwidth:n.restrictBandwidth.toString()},e.sdp=a.toSessionSDP(e.jingle,{sid:n.config.sdpSessionID,role:n._role(),direction:"outgoing"}))}e.jingle.contents.forEach(function(e){var t=e.transport||{};t.ufrag&&(n.iceCredentials.remote[e.name]={ufrag:t.ufrag,pwd:t.pwd})}),e.sdp=a.toSessionSDP(e.jingle,{sid:n.config.sdpSessionID,role:n._role(),direction:"incoming"}),n.remoteDescription=e.jingle}e.sdp.split("\r\n").forEach(function(e){0===e.indexOf("a=candidate:")&&n._checkRemoteCandidate(e)}),n.pc.setRemoteDescription(new RTCSessionDescription(e),function(){t()},t)},PeerConnection.prototype.answerAudioOnly=function(e){var t={mandatory:{OfferToReceiveAudio:!0,OfferToReceiveVideo:!1}};this._answer(t,e)},PeerConnection.prototype.answerBroadcastOnly=function(e){var t={mandatory:{OfferToReceiveAudio:!1,OfferToReceiveVideo:!1}};this._answer(t,e)},PeerConnection.prototype.answer=function(e,t){var n=2===arguments.length,r=n?t:e,a=n&&e?e:{mandatory:{OfferToReceiveAudio:!0,OfferToReceiveVideo:!0}};this._answer(a,r)},PeerConnection.prototype.handleAnswer=function(e,t){t=t||function(){};var n=this;e.jingle&&(e.sdp=a.toSessionSDP(e.jingle,{sid:n.config.sdpSessionID,role:n._role(),direction:"incoming"}),n.remoteDescription=e.jingle,e.jingle.contents.forEach(function(e){var t=e.transport||{};t.ufrag&&(n.iceCredentials.remote[e.name]={ufrag:t.ufrag,pwd:t.pwd})})),e.sdp.split("\r\n").forEach(function(e){0===e.indexOf("a=candidate:")&&n._checkRemoteCandidate(e)}),n.pc.setRemoteDescription(new RTCSessionDescription(e),function(){n.wtFirefox&&window.setTimeout(function(){n.firefoxcandidatebuffer.forEach(function(e){n.pc.addIceCandidate(new RTCIceCandidate(e),function(){},function(e){n.emit("error",e)}),n._checkRemoteCandidate(e.candidate)}),n.firefoxcandidatebuffer=null},n.wtFirefox),t(null)},t)},PeerConnection.prototype.close=function(){this.pc.close(),this._localDataChannels=[],this._remoteDataChannels=[],this.emit("close")},PeerConnection.prototype._answer=function(e,t){t=t||function(){};var n=this;if(!this.pc.remoteDescription)throw new Error("remoteDescription not set");return"closed"===this.pc.signalingState?t("Already closed"):void n.pc.createAnswer(function(e){var r=[];if(n.enableChromeNativeSimulcast&&(e.jingle=a.toSessionJSON(e.sdp,{role:n._role(),direction:"outgoing"}),e.jingle.contents.length>=2&&"video"===e.jingle.contents[1].name)){var s=e.jingle.contents[1].application.sourceGroups||[],o=!1;if(s.forEach(function(e){"SIM"==e.semantics&&(o=!0)}),!o&&e.jingle.contents[1].application.sources.length){var i=JSON.parse(JSON.stringify(e.jingle.contents[1].application.sources[0]));i.ssrc=""+Math.floor(4294967295*Math.random()),e.jingle.contents[1].application.sources.push(i),r.push(e.jingle.contents[1].application.sources[0].ssrc),r.push(i.ssrc),s.push({semantics:"SIM",sources:r});var l=JSON.parse(JSON.stringify(i));l.ssrc=""+Math.floor(4294967295*Math.random()),e.jingle.contents[1].application.sources.push(l),s.push({semantics:"FID",sources:[i.ssrc,l.ssrc]}),e.jingle.contents[1].application.sourceGroups=s,e.sdp=a.toSessionSDP(e.jingle,{sid:n.config.sdpSessionID,role:n._role(),direction:"outgoing"})}}var u={type:"answer",sdp:e.sdp};if(n.assumeSetLocalSuccess){var d=c(u);n.emit("answer",d),t(null,d)}n._candidateBuffer=[],n.pc.setLocalDescription(e,function(){if(n.config.useJingle){var r=a.toSessionJSON(e.sdp,{role:n._role(),direction:"outgoing"});r.sid=n.config.sid,n.localDescription=r,u.jingle=r}if(n.enableChromeNativeSimulcast&&(u.jingle||(u.jingle=a.toSessionJSON(e.sdp,{role:n._role(),direction:"outgoing"})),u.jingle.contents[1].application.sources.forEach(function(e,t){e.parameters=e.parameters.map(function(e){return"msid"===e.key&&(e.value+="-"+Math.floor(t/2)),e})}),u.sdp=a.toSessionSDP(u.jingle,{sid:n.sdpSessionID,role:n._role(),direction:"outgoing"})),u.sdp.split("\r\n").forEach(function(e){0===e.indexOf("a=candidate:")&&n._checkLocalCandidate(e)}),!n.assumeSetLocalSuccess){var s=c(u);n.emit("answer",s),t(null,s)}},function(e){n.emit("error",e),t(e)})},function(e){n.emit("error",e),t(e)},e)},PeerConnection.prototype._onIce=function(e){var t=this;if(e.candidate){if(this.dontSignalCandidates)return;var n=e.candidate,r={candidate:{candidate:n.candidate,sdpMid:n.sdpMid,sdpMLineIndex:n.sdpMLineIndex}};this._checkLocalCandidate(n.candidate);var s,o,i=a.toCandidateJSON(n.candidate);if(this.eliminateDuplicateCandidates&&"relay"===i.type&&(s=this._candidateBuffer.filter(function(e){return"relay"===e.type}).map(function(e){return e.foundation+":"+e.component}),o=s.indexOf(i.foundation+":"+i.component),o>-1&&i.priority>>24>=s[o].priority>>24))return;if("max-bundle"===this.config.bundlePolicy&&(s=this._candidateBuffer.filter(function(e){return i.type===e.type}).map(function(e){return e.address+":"+e.port}),o=s.indexOf(i.address+":"+i.port),o>-1))return;if("require"===this.config.rtcpMuxPolicy&&"2"===i.component)return;if(this._candidateBuffer.push(i),t.config.useJingle){if(n.sdpMid||(t.pc.remoteDescription&&"offer"===t.pc.remoteDescription.type?n.sdpMid=t.remoteDescription.contents[n.sdpMLineIndex].name:n.sdpMid=t.localDescription.contents[n.sdpMLineIndex].name),!t.iceCredentials.local[n.sdpMid]){var c=a.toSessionJSON(t.pc.localDescription.sdp,{role:t._role(),direction:"outgoing"});c.contents.forEach(function(e){var n=e.transport||{};n.ufrag&&(t.iceCredentials.local[e.name]={ufrag:n.ufrag,pwd:n.pwd})})}if(r.jingle={contents:[{name:n.sdpMid,creator:t._role(),transport:{transportType:"iceUdp",ufrag:t.iceCredentials.local[n.sdpMid].ufrag,pwd:t.iceCredentials.local[n.sdpMid].pwd,candidates:[i]}}]},t.batchIceCandidates>0)return 0===t.batchedIceCandidates.length&&window.setTimeout(function(){var e={};t.batchedIceCandidates.forEach(function(t){t=t.contents[0],e[t.name]||(e[t.name]=t),e[t.name].transport.candidates.push(t.transport.candidates[0])});var n={jingle:{contents:[]}};Object.keys(e).forEach(function(t){n.jingle.contents.push(e[t])}),t.batchedIceCandidates=[],t.emit("ice",n)},t.batchIceCandidates),void t.batchedIceCandidates.push(r.jingle)}this.emit("ice",r)}else this.emit("endOfCandidates")},PeerConnection.prototype._onDataChannel=function(e){var t=e.channel;this._remoteDataChannels.push(t),this.emit("addChannel",t)},PeerConnection.prototype.createDataChannel=function(e,t){var n=this.pc.createDataChannel(e,t);return this._localDataChannels.push(n),n},PeerConnection.prototype.getStats=function(e){this.pc.getStats(null,function(t){e(null,t)},function(t){e(t)})},t.exports=PeerConnection},{"lodash.clonedeep":"/stanza.io-8.0.2/node_modules/lodash.clonedeep/index.js","sdp-jingle-json":"/stanza.io-8.0.2/node_modules/sdp-jingle-json/index.js",traceablepeerconnection:"/stanza.io-8.0.2/node_modules/traceablepeerconnection/index.js",util:"/stanza.io-8.0.2/node_modules/util/util.js","webrtc-adapter":"/stanza.io-8.0.2/node_modules/webrtc-adapter/src/js/adapter_core.js",wildemitter:"/stanza.io-8.0.2/node_modules/wildemitter/wildemitter.js"}],"/stanza.io-8.0.2/node_modules/sasl-anonymous/lib/mechanism.js":[function(t,n,r){!function(t,a){"object"==typeof r?a(r,n):"function"==typeof e&&e.amd&&e(["exports","module"],a)}(this,function(e,t){function Mechanism(){}Mechanism.prototype.name="ANONYMOUS",Mechanism.prototype.clientFirst=!0,Mechanism.prototype.response=function(e){return e.trace||""},Mechanism.prototype.challenge=function(e){},e=t.exports=Mechanism})},{}],"/stanza.io-8.0.2/node_modules/sasl-anonymous/main.js":[function(t,n,r){!function(a,s){"object"==typeof r?s(r,n,t("./lib/mechanism")):"function"==typeof e&&e.amd&&e(["exports","module","./lib/mechanism"],s)}(this,function(e,t,n){e=t.exports=n,e.Mechanism=n})},{"./lib/mechanism":"/stanza.io-8.0.2/node_modules/sasl-anonymous/lib/mechanism.js"
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s[this._stage](this,e)},Mechanism.prototype.challenge=function(e){var t=a.parse(e);return this._salt=new n(t.s||"","base64"),this._iterationCount=parseInt(t.i,10),this._nonce=t.r,this._verifier=t.v,this._error=t.e,this._challenge=e,this},s.initial=function(e,t){e._cnonce=e._genNonce();var n="";t.authzid&&(n="a="+a.saslname(t.authzid)),e._gs2Header="n,"+n+",";var r="r="+e._cnonce,s="n="+a.saslname(t.username||"");e._clientFirstMessageBare=s+","+r;var o=e._gs2Header+e._clientFirstMessageBare;return e._stage="challenge",o},s.challenge=function(e,t){var a=new n(e._gs2Header).toString("base64");e._clientFinalMessageWithoutProof="c="+a+",r="+e._nonce;var s,c,l;t.salt&&0===n.compare(t.salt,e._salt)?t.clientKey&&t.serverKey?(c=t.clientKey,l=t.serverKey):t.saltedPassword&&(s=t.saltedPassword,c=r.HMAC(s,o),l=r.HMAC(s,i)):(s=r.Hi(t.password||"",e._salt,e._iterationCount),c=r.HMAC(s,o),l=r.HMAC(s,i));var u=r.H(c),d=e._clientFirstMessageBare+","+e._challenge+","+e._clientFinalMessageWithoutProof,p=r.HMAC(u,d),f=r.XOR(c,p).toString("base64");e._serverSignature=r.HMAC(l,d);var m=e._clientFinalMessageWithoutProof+",p="+f;return e._stage="final",e.cache={salt:e._salt,saltedPassword:s,clientKey:c,serverKey:l},m},s.final=function(){return""},t.exports=Mechanism}).call(this,e("buffer").Buffer)},{"./lib/bitops":"/stanza.io-8.0.2/node_modules/sasl-scram-sha-1/lib/bitops.js","./lib/utils":"/stanza.io-8.0.2/node_modules/sasl-scram-sha-1/lib/utils.js",buffer:"/stanza.io-8.0.2/node_modules/buffer/index.js"}],"/stanza.io-8.0.2/node_modules/sasl-scram-sha-1/lib/bitops.js":[function(e,t,n){(function(t){var r=e("create-hash"),a=e("create-hmac"),s=e("bitwise-xor");n.XOR=s,n.H=function(e){return r("sha1").update(e).digest()},n.HMAC=function(e,t){return a("sha1",e).update(t).digest()},n.Hi=function(e,r,a){for(var s=n.HMAC(e,t.concat([r,new t([0,0,0,1],"binary")])),o=s,i=0;i<a-1;i++)s=n.HMAC(e,s),o=n.XOR(o,s);return o}}).call(this,e("buffer").Buffer)},{"bitwise-xor":"/stanza.io-8.0.2/node_modules/bitwise-xor/index.js",buffer:"/stanza.io-8.0.2/node_modules/buffer/index.js","create-hash":"/stanza.io-8.0.2/node_modules/create-hash/browser.js","create-hmac":"/stanza.io-8.0.2/node_modules/create-hmac/browser.js"}],"/stanza.io-8.0.2/node_modules/sasl-scram-sha-1/lib/utils.js":[function(e,t,n){var r=e("randombytes");n.parse=function(e){for(var t={},n=e.split(/,(?=(?:[^"]|"[^"]*")*$)/),r=0,a=n.length;r<a;r++){var s=/(\w+)=["]?([^"]+)["]?$/.exec(n[r]);s&&(t[s[1]]=s[2])}return t},n.saslname=function(e){for(var t=[],n="",r=0;r<e.length;r++)n=e[r],","===n?t.push("=2C"):"="===n?t.push("=3D"):t.push(n);return t.join("")},n.genNonce=function(e){return 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r.toSessionSDP(e,{role:"initiator",direction:"outgoing"})},n.toIncomingSDPAnswer=function(e){return r.toSessionSDP(e,{role:"initiator",direction:"incoming"})},n.toOutgoingSDPAnswer=function(e){return r.toSessionSDP(e,{role:"responder",direction:"outgoing"})},n.toIncomingMediaSDPOffer=function(e){return r.toMediaSDP(e,{role:"responder",direction:"incoming"})},n.toOutgoingMediaSDPOffer=function(e){return r.toMediaSDP(e,{role:"initiator",direction:"outgoing"})},n.toIncomingMediaSDPAnswer=function(e){return r.toMediaSDP(e,{role:"initiator",direction:"incoming"})},n.toOutgoingMediaSDPAnswer=function(e){return r.toMediaSDP(e,{role:"responder",direction:"outgoing"})},n.toCandidateSDP=r.toCandidateSDP,n.toMediaSDP=r.toMediaSDP,n.toSessionSDP=r.toSessionSDP,n.toIncomingJSONOffer=function(e,t){return a.toSessionJSON(e,{role:"responder",direction:"incoming",creators:t})},n.toOutgoingJSONOffer=function(e,t){return a.toSessionJSON(e,{role:"initiator",direction:"outgoing",creators:t})},n.toIncomingJSONAnswer=function(e,t){return a.toSessionJSON(e,{role:"initiator",direction:"incoming",creators:t})},n.toOutgoingJSONAnswer=function(e,t){return a.toSessionJSON(e,{role:"responder",direction:"outgoing",creators:t})},n.toIncomingMediaJSONOffer=function(e,t){return a.toMediaJSON(e,{role:"responder",direction:"incoming",creator:t})},n.toOutgoingMediaJSONOffer=function(e,t){return a.toMediaJSON(e,{role:"initiator",direction:"outgoing",creator:t})},n.toIncomingMediaJSONAnswer=function(e,t){return a.toMediaJSON(e,{role:"initiator",direction:"incoming",creator:t})},n.toOutgoingMediaJSONAnswer=function(e,t){return a.toMediaJSON(e,{role:"responder",direction:"outgoing",creator:t})},n.toCandidateJSON=a.toCandidateJSON,n.toMediaJSON=a.toMediaJSON,n.toSessionJSON=a.toSessionJSON},{"./lib/tojson":"/stanza.io-8.0.2/node_modules/sdp-jingle-json/lib/tojson.js","./lib/tosdp":"/stanza.io-8.0.2/node_modules/sdp-jingle-json/lib/tosdp.js"}],"/stanza.io-8.0.2/node_modules/sdp-jingle-json/lib/parsers.js":[function(e,t,n){n.lines=function(e){return e.split("\r\n").filter(function(e){return e.length>0})},n.findLine=function(e,t,n){for(var r=e.length,a=0;a<t.length;a++)if(t[a].substr(0,r)===e)return t[a];if(!n)return!1;for(var s=0;s<n.length;s++)if(n[s].substr(0,r)===e)return n[s];return!1},n.findLines=function(e,t,n){for(var r=[],a=e.length,s=0;s<t.length;s++)t[s].substr(0,a)===e&&r.push(t[s]);if(r.length||!n)return r;for(var o=0;o<n.length;o++)n[o].substr(0,a)===e&&r.push(n[o]);return r},n.mline=function(e){for(var t=e.substr(2).split(" 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a>=0?(n.id=r.substr(0,a),n.senders=r.substr(a+1)):(n.id=r,n.senders="sendrecv"),n.uri=t.shift()||"",n},n.rtcpfb=function(e){var t=e.substr(10).split(" "),n={};return n.id=t.shift(),n.type=t.shift(),"trr-int"===n.type?n.value=t.shift():n.subtype=t.shift()||"",n.parameters=t,n},n.candidate=function(e){var t;t=0===e.indexOf("a=candidate:")?e.substring(12).split(" "):e.substring(10).split(" ");for(var n={foundation:t[0],component:t[1],protocol:t[2].toLowerCase(),priority:t[3],ip:t[4],port:t[5],type:t[7],generation:"0"},r=8;r<t.length;r+=2)"raddr"===t[r]?n.relAddr=t[r+1]:"rport"===t[r]?n.relPort=t[r+1]:"generation"===t[r]?n.generation=t[r+1]:"tcptype"===t[r]&&(n.tcpType=t[r+1]);return n.network="1",n},n.sourceGroups=function(e){for(var t=[],n=0;n<e.length;n++){var r=e[n].substr(13).split(" ");t.push({semantics:r.shift(),sources:r})}return t},n.sources=function(e){for(var t=[],n={},r=0;r<e.length;r++){var a=e[r].substr(7).split(" "),s=a.shift();if(!n[s]){var o={ssrc:s,parameters:[]};t.push(o),n[s]=o}a=a.join(" ").split(":");var i=a.shift(),c=a.join(":")||null;n[s].parameters.push({key:i,value:c})}return t},n.groups=function(e){for(var t,n=[],r=0;r<e.length;r++)t=e[r].substr(8).split(" "),n.push({semantics:t.shift(),contents:t});return n},n.bandwidth=function(e){var t=e.substr(2).split(":"),n={};return n.type=t.shift(),n.bandwidth=t.shift(),n},n.msid=function(e){var t=e.substr(7),n=t.split(" 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r=e("./senders"),a=e("./parsers"),s=Math.random();n._setIdCounter=function(e){s=e},n.toSessionJSON=function(e,t){var r,s=t.creators||[],o=t.role||"initiator",i=t.direction||"outgoing",c=e.split("\r\nm=");for(r=1;r<c.length;r++)c[r]="m="+c[r],r!==c.length-1&&(c[r]+="\r\n");var l=c.shift()+"\r\n",u=a.lines(l),d={},p=[];for(r=0;r<c.length;r++)p.push(n.toMediaJSON(c[r],l,{role:o,direction:i,creator:s[r]||"initiator"}));d.contents=p;var f=a.findLines("a=group:",u);return f.length&&(d.groups=a.groups(f)),d},n.toMediaJSON=function(e,t,s){var o=s.creator||"initiator",i=s.role||"initiator",c=s.direction||"outgoing",l=a.lines(e),u=a.lines(t),d=a.mline(l[0]),p={creator:o,name:d.media,application:{applicationType:"rtp",media:d.media,payloads:[],encryption:[],feedback:[],headerExtensions:[]},transport:{transportType:"iceUdp",candidates:[],fingerprints:[]}};"application"==d.media&&(p.application={applicationType:"datachannel"},p.transport.sctp=[]);var 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w=a.findLines("a=extmap:",l);w.forEach(function(e){var t=a.extmap(e);t.senders=r[i][c][t.senders],f.headerExtensions.push(t)});var y=a.findLines("a=ssrc-group:",l);f.sourceGroups=a.sourceGroups(y||[]);var x=a.findLines("a=ssrc:",l),S=f.sources=a.sources(x||[]),E=a.findLine("a=msid:",l);if(E){var D=a.msid(E);["msid","mslabel","label"].forEach(function(e){for(var t=0;t<S.length;t++){for(var n=!1,r=0;r<S[t].parameters.length;r++)S[t].parameters[r].key===e&&(n=!0);n||S[t].parameters.push({key:e,value:D[e]})}})}a.findLine("a=x-google-flag:conference",l,u)&&(f.googConferenceFlag=!0)}var C=a.findLines("a=fingerprint:",l,u),T=a.findLine("a=setup:",l,u);C.forEach(function(e){var t=a.fingerprint(e);T&&(t.setup=T.substr(8)),m.fingerprints.push(t)});var U=a.findLine("a=ice-ufrag:",l,u),R=a.findLine("a=ice-pwd:",l,u);if(U&&R){m.ufrag=U.substr(12),m.pwd=R.substr(10),m.candidates=[];var O=a.findLines("a=candidate:",l,u);O.forEach(function(e){m.candidates.push(n.toCandidateJSON(e))})}if("datachannel"==f.applicationType){var A=a.findLines("a=sctpmap:",l);A.forEach(function(e){var t=a.sctpmap(e);m.sctp.push(t)})}return p},n.toCandidateJSON=function(e){var t=a.candidate(e.split("\r\n")[0]);return t.id=(s++).toString(36).substr(0,12),t}},{"./parsers":"/stanza.io-8.0.2/node_modules/sdp-jingle-json/lib/parsers.js","./senders":"/stanza.io-8.0.2/node_modules/sdp-jingle-json/lib/senders.js"}],"/stanza.io-8.0.2/node_modules/sdp-jingle-json/lib/tosdp.js":[function(e,t,n){var r=e("./senders");n.toSessionSDP=function(e,t){var r=(t.role||"initiator",t.direction||"outgoing",t.sid||e.sid||Date.now()),a=t.time||Date.now(),s=["v=0","o=- "+r+" "+a+" IN IP4 0.0.0.0","s=-","t=0 0"],o=e.contents||[],i=!1;o.forEach(function(e){e.application.sources&&e.application.sources.length&&(i=!0)}),i&&s.push("a=msid-semantic: WMS *");var c=e.groups||[];return c.forEach(function(e){s.push("a=group:"+e.semantics+" "+e.contents.join(" "))}),o.forEach(function(e){s.push(n.toMediaSDP(e,t))}),s.join("\r\n")+"\r\n"},n.toMediaSDP=function(e,t){var a=[],s=t.role||"initiator",o=t.direction||"outgoing",i=e.application,c=e.transport,l=i.payloads||[],u=c&&c.fingerprints||[],d=[];if("datachannel"==i.applicationType?(d.push("application"),d.push("1"),d.push("DTLS/SCTP"),c.sctp&&c.sctp.forEach(function(e){d.push(e.number)})):(d.push(i.media),d.push("1"),u.length>0?d.push("UDP/TLS/RTP/SAVPF"):i.encryption&&i.encryption.length>0?d.push("RTP/SAVPF"):d.push("RTP/AVPF"),l.forEach(function(e){d.push(e.id)})),a.push("m="+d.join(" ")),a.push("c=IN IP4 0.0.0.0"),i.bandwidth&&i.bandwidth.type&&i.bandwidth.bandwidth&&a.push("b="+i.bandwidth.type+":"+i.bandwidth.bandwidth),"rtp"==i.applicationType&&a.push("a=rtcp:1 IN IP4 0.0.0.0"),c){c.ufrag&&a.push("a=ice-ufrag:"+c.ufrag),c.pwd&&a.push("a=ice-pwd:"+c.pwd);var p=!1;u.forEach(function(e){a.push("a=fingerprint:"+e.hash+" "+e.value),e.setup&&!p&&a.push("a=setup:"+e.setup)}),c.sctp&&c.sctp.forEach(function(e){a.push("a=sctpmap:"+e.number+" "+e.protocol+" "+e.streams)})}"rtp"==i.applicationType&&a.push("a="+(r[s][o][e.senders]||"sendrecv")),a.push("a=mid:"+e.name),i.sources&&i.sources.length&&(i.sources[0].parameters||[]).forEach(function(e){"msid"===e.key&&a.push("a=msid:"+e.value)}),i.mux&&a.push("a=rtcp-mux");var f=i.encryption||[];f.forEach(function(e){a.push("a=crypto:"+e.tag+" "+e.cipherSuite+" "+e.keyParams+(e.sessionParams?" "+e.sessionParams:""))}),i.googConferenceFlag&&a.push("a=x-google-flag:conference"),l.forEach(function(e){var t="a=rtpmap:"+e.id+" "+e.name+"/"+e.clockrate;if(e.channels&&"1"!=e.channels&&(t+="/"+e.channels),a.push(t),e.parameters&&e.parameters.length){var n=["a=fmtp:"+e.id],r=[];e.parameters.forEach(function(e){r.push((e.key?e.key+"=":"")+e.value)}),n.push(r.join(";")),a.push(n.join(" "))}e.feedback&&e.feedback.forEach(function(t){"trr-int"===t.type?a.push("a=rtcp-fb:"+e.id+" trr-int "+(t.value?t.value:"0")):a.push("a=rtcp-fb:"+e.id+" "+t.type+(t.subtype?" "+t.subtype:""))})}),i.feedback&&i.feedback.forEach(function(e){"trr-int"===e.type?a.push("a=rtcp-fb:* trr-int "+(e.value?e.value:"0")):a.push("a=rtcp-fb:* "+e.type+(e.subtype?" 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a},r.writeIceParameters=function(e){return"a=ice-ufrag:"+e.usernameFragment+"\r\na=ice-pwd:"+e.password+"\r\n"},r.parseRtpParameters=function(e){for(var t={codecs:[],headerExtensions:[],fecMechanisms:[],rtcp:[]},n=r.splitLines(e),a=n[0].split(" "),s=3;s<a.length;s++){var o=a[s],i=r.matchPrefix(e,"a=rtpmap:"+o+" ")[0];if(i){var c=r.parseRtpMap(i),l=r.matchPrefix(e,"a=fmtp:"+o+" ");switch(c.parameters=l.length?r.parseFmtp(l[0]):{},c.rtcpFeedback=r.matchPrefix(e,"a=rtcp-fb:"+o+" ").map(r.parseRtcpFb),t.codecs.push(c),c.name.toUpperCase()){case"RED":case"ULPFEC":t.fecMechanisms.push(c.name.toUpperCase())}}}return r.matchPrefix(e,"a=extmap:").forEach(function(e){t.headerExtensions.push(r.parseExtmap(e))}),t},r.writeRtpDescription=function(e,t){var n="";return n+="m="+e+" ",n+=t.codecs.length>0?"9":"0",n+=" UDP/TLS/RTP/SAVPF ",n+=t.codecs.map(function(e){return void 0!==e.preferredPayloadType?e.preferredPayloadType:e.payloadType}).join(" ")+"\r\n",n+="c=IN IP4 0.0.0.0\r\n",n+="a=rtcp:9 IN 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u=c[l];Duplex.prototype[u]||(Duplex.prototype[u]=i.prototype[u])}},{"./_stream_readable":"/stanza.io-8.0.2/node_modules/stream-browserify/node_modules/readable-stream/lib/_stream_readable.js","./_stream_writable":"/stanza.io-8.0.2/node_modules/stream-browserify/node_modules/readable-stream/lib/_stream_writable.js","core-util-is":"/stanza.io-8.0.2/node_modules/core-util-is/lib/util.js",inherits:"/stanza.io-8.0.2/node_modules/inherits/inherits_browser.js","process-nextick-args":"/stanza.io-8.0.2/node_modules/process-nextick-args/index.js"}],"/stanza.io-8.0.2/node_modules/stream-browserify/node_modules/readable-stream/lib/_stream_passthrough.js":[function(e,t,n){"use strict";function PassThrough(e){return this instanceof PassThrough?void r.call(this,e):new PassThrough(e)}t.exports=PassThrough;var r=e("./_stream_transform"),a=e("core-util-is");a.inherits=e("inherits"),a.inherits(PassThrough,r),PassThrough.prototype._transform=function(e,t,n){n(null,e)}},{"./_stream_transform":"/stanza.io-8.0.2/node_modules/stream-browserify/node_modules/readable-stream/lib/_stream_transform.js","core-util-is":"/stanza.io-8.0.2/node_modules/core-util-is/lib/util.js",inherits:"/stanza.io-8.0.2/node_modules/inherits/inherits_browser.js"}],"/stanza.io-8.0.2/node_modules/stream-browserify/node_modules/readable-stream/lib/_stream_readable.js":[function(e,t,n){(function(n){"use strict";function prependListener(e,t,n){return"function"==typeof e.prependListener?e.prependListener(t,n):void(e._events&&e._events[t]?s(e._events[t])?e._events[t].unshift(n):e._events[t]=[n,e._events[t]]:e.on(t,n))}function ReadableState(t,n){r=r||e("./_stream_duplex"),t=t||{},this.objectMode=!!t.objectMode,n instanceof r&&(this.objectMode=this.objectMode||!!t.readableObjectMode);var a=t.highWaterMark,s=this.objectMode?16:16384;this.highWaterMark=a||0===a?a:s,this.highWaterMark=~~this.highWaterMark,this.buffer=new m,this.length=0,this.pipes=null,this.pipesCount=0,this.flowing=null,this.ended=!1,this.endEmitted=!1,this.reading=!1,this.sync=!0,this.needReadable=!1,this.emittedReadable=!1,this.readableListening=!1,this.resumeScheduled=!1,this.defaultEncoding=t.defaultEncoding||"utf8",this.ranOut=!1,this.awaitDrain=0,this.readingMore=!1,this.decoder=null,this.encoding=null,t.encoding&&(f||(f=e("string_decoder/").StringDecoder),this.decoder=new f(t.encoding),this.encoding=t.encoding)}function Readable(t){return r=r||e("./_stream_duplex"),this instanceof Readable?(this._readableState=new ReadableState(t,this),this.readable=!0,t&&"function"==typeof t.read&&(this._read=t.read),void o.call(this)):new Readable(t)}function readableAddChunk(e,t,n,r,a){var s=chunkInvalid(t,n);if(s)e.emit("error",s);else if(null===n)t.reading=!1,onEofChunk(e,t);else if(t.objectMode||n&&n.length>0)if(t.ended&&!a){var o=new Error("stream.push() after EOF");e.emit("error",o)}else if(t.endEmitted&&a){var i=new Error("stream.unshift() after end event");e.emit("error",i)}else{var c;!t.decoder||a||r||(n=t.decoder.write(n),c=!t.objectMode&&0===n.length),a||(t.reading=!1),c||(t.flowing&&0===t.length&&!t.sync?(e.emit("data",n),e.read(0)):(t.length+=t.objectMode?1:n.length,a?t.buffer.unshift(n):t.buffer.push(n),t.needReadable&&emitReadable(e))),maybeReadMore(e,t)}else a||(t.reading=!1);return needMoreData(t)}function needMoreData(e){return!e.ended&&(e.needReadable||e.length<e.highWaterMark||0===e.length)}function computeNewHighWaterMark(e){return e>=h?e=h:(e--,e|=e>>>1,e|=e>>>2,e|=e>>>4,e|=e>>>8,e|=e>>>16,e++),e}function howMuchToRead(e,t){return e<=0||0===t.length&&t.ended?0:t.objectMode?1:e!==e?t.flowing&&t.length?t.buffer.head.data.length:t.length:(e>t.highWaterMark&&(t.highWaterMark=computeNewHighWaterMark(e)),e<=t.length?e:t.ended?t.length:(t.needReadable=!0,0))}function chunkInvalid(e,t){var n=null;return c.isBuffer(t)||"string"==typeof t||null===t||void 0===t||e.objectMode||(n=new TypeError("Invalid non-string/buffer chunk")),n}function onEofChunk(e,t){if(!t.ended){if(t.decoder){var n=t.decoder.end();n&&n.length&&(t.buffer.push(n),t.length+=t.objectMode?1:n.length)}t.ended=!0,emitReadable(e)}}function emitReadable(e){var t=e._readableState;t.needReadable=!1,t.emittedReadable||(p("emitReadable",t.flowing),t.emittedReadable=!0,t.sync?a(emitReadable_,e):emitReadable_(e))}function emitReadable_(e){p("emit readable"),e.emit("readable"),flow(e)}function maybeReadMore(e,t){t.readingMore||(t.readingMore=!0,a(maybeReadMore_,e,t))}function maybeReadMore_(e,t){for(var n=t.length;!t.reading&&!t.flowing&&!t.ended&&t.length<t.highWaterMark&&(p("maybeReadMore read 0"),e.read(0),n!==t.length);)n=t.length;t.readingMore=!1}function pipeOnDrain(e){return function(){var t=e._readableState;p("pipeOnDrain",t.awaitDrain),t.awaitDrain&&t.awaitDrain--,0===t.awaitDrain&&i(e,"data")&&(t.flowing=!0,flow(e))}}function nReadingNextTick(e){p("readable nexttick read 0"),e.read(0)}function resume(e,t){t.resumeScheduled||(t.resumeScheduled=!0,a(resume_,e,t))}function resume_(e,t){t.reading||(p("resume read 0"),e.read(0)),t.resumeScheduled=!1,t.awaitDrain=0,e.emit("resume"),flow(e),t.flowing&&!t.reading&&e.read(0)}function flow(e){var t=e._readableState;for(p("flow",t.flowing);t.flowing&&null!==e.read(););}function fromList(e,t){if(0===t.length)return null;var n;return t.objectMode?n=t.buffer.shift():!e||e>=t.length?(n=t.decoder?t.buffer.join(""):1===t.buffer.length?t.buffer.head.data:t.buffer.concat(t.length),t.buffer.clear()):n=fromListPartial(e,t.buffer,t.decoder),n}function fromListPartial(e,t,n){var r;return e<t.head.data.length?(r=t.head.data.slice(0,e),t.head.data=t.head.data.slice(e)):r=e===t.head.data.length?t.shift():n?copyFromBufferString(e,t):copyFromBuffer(e,t),r}function copyFromBufferString(e,t){var n=t.head,r=1,a=n.data;for(e-=a.length;n=n.next;){var s=n.data,o=e>s.length?s.length:e;if(a+=o===s.length?s:s.slice(0,e),e-=o,0===e){o===s.length?(++r,n.next?t.head=n.next:t.head=t.tail=null):(t.head=n,n.data=s.slice(o));break}++r}return t.length-=r,a}function copyFromBuffer(e,t){var n=l.allocUnsafe(e),r=t.head,a=1;for(r.data.copy(n),e-=r.data.length;r=r.next;){var s=r.data,o=e>s.length?s.length:e;if(s.copy(n,n.length-e,0,o),e-=o,0===e){o===s.length?(++a,r.next?t.head=r.next:t.head=t.tail=null):(t.head=r,r.data=s.slice(o));break}++a}return t.length-=a,n}function endReadable(e){var t=e._readableState;if(t.length>0)throw new Error('"endReadable()" called on non-empty stream');t.endEmitted||(t.ended=!0,a(endReadableNT,t,e))}function endReadableNT(e,t){e.endEmitted||0!==e.length||(e.endEmitted=!0,t.readable=!1,t.emit("end"))}function forEach(e,t){for(var n=0,r=e.length;n<r;n++)t(e[n],n)}function indexOf(e,t){for(var n=0,r=e.length;n<r;n++)if(e[n]===t)return n;return-1}t.exports=Readable;var r,a=e("process-nextick-args"),s=e("isarray");Readable.ReadableState=ReadableState;var o,i=(e("events").EventEmitter,function(e,t){return e.listeners(t).length});!function(){try{o=e("stream")}catch(e){}finally{o||(o=e("events").EventEmitter)}}();var c=e("buffer").Buffer,l=e("buffer-shims"),u=e("core-util-is");u.inherits=e("inherits");var d=e("util"),p=void 0;p=d&&d.debuglog?d.debuglog("stream"):function(){};var f,m=e("./internal/streams/BufferList");u.inherits(Readable,o),Readable.prototype.push=function(e,t){var n=this._readableState;return n.objectMode||"string"!=typeof e||(t=t||n.defaultEncoding,t!==n.encoding&&(e=l.from(e,t),t="")),readableAddChunk(this,n,e,t,!1)},Readable.prototype.unshift=function(e){var t=this._readableState;return readableAddChunk(this,t,e,"",!0)},Readable.prototype.isPaused=function(){return this._readableState.flowing===!1},Readable.prototype.setEncoding=function(t){return f||(f=e("string_decoder/").StringDecoder),this._readableState.decoder=new f(t),this._readableState.encoding=t,this};var h=8388608;Readable.prototype.read=function(e){p("read",e),e=parseInt(e,10);var t=this._readableState,n=e;if(0!==e&&(t.emittedReadable=!1),0===e&&t.needReadable&&(t.length>=t.highWaterMark||t.ended))return p("read: emitReadable",t.length,t.ended),0===t.length&&t.ended?endReadable(this):emitReadable(this),null;if(e=howMuchToRead(e,t),0===e&&t.ended)return 0===t.length&&endReadable(this),null;var r=t.needReadable;p("need readable",r),(0===t.length||t.length-e<t.highWaterMark)&&(r=!0,p("length less than watermark",r)),t.ended||t.reading?(r=!1,p("reading or ended",r)):r&&(p("do read"),t.reading=!0,t.sync=!0,0===t.length&&(t.needReadable=!0),this._read(t.highWaterMark),t.sync=!1,t.reading||(e=howMuchToRead(n,t)));var a;return a=e>0?fromList(e,t):null,null===a?(t.needReadable=!0,e=0):t.length-=e,0===t.length&&(t.ended||(t.needReadable=!0),n!==e&&t.ended&&endReadable(this)),null!==a&&this.emit("data",a),a},Readable.prototype._read=function(e){this.emit("error",new Error("_read() is not implemented"))},Readable.prototype.pipe=function(e,t){function onunpipe(e){p("onunpipe"),e===r&&cleanup()}function onend(){p("onend"),e.end()}function cleanup(){p("cleanup"),e.removeListener("close",onclose),e.removeListener("finish",onfinish),e.removeListener("drain",l),e.removeListener("error",onerror),e.removeListener("unpipe",onunpipe),r.removeListener("end",onend),r.removeListener("end",cleanup),r.removeListener("data",ondata),u=!0,!s.awaitDrain||e._writableState&&!e._writableState.needDrain||l()}function ondata(t){p("ondata"),d=!1;var n=e.write(t);!1!==n||d||((1===s.pipesCount&&s.pipes===e||s.pipesCount>1&&indexOf(s.pipes,e)!==-1)&&!u&&(p("false write response, pause",r._readableState.awaitDrain),r._readableState.awaitDrain++,d=!0),r.pause())}function onerror(t){p("onerror",t),unpipe(),e.removeListener("error",onerror),0===i(e,"error")&&e.emit("error",t)}function onclose(){e.removeListener("finish",onfinish),unpipe()}function onfinish(){p("onfinish"),e.removeListener("close",onclose),unpipe()}function unpipe(){p("unpipe"),r.unpipe(e)}var r=this,s=this._readableState;switch(s.pipesCount){case 0:s.pipes=e;break;case 1:s.pipes=[s.pipes,e];break;default:s.pipes.push(e)}s.pipesCount+=1,p("pipe count=%d opts=%j",s.pipesCount,t);var o=(!t||t.end!==!1)&&e!==n.stdout&&e!==n.stderr,c=o?onend:cleanup;s.endEmitted?a(c):r.once("end",c),e.on("unpipe",onunpipe);var l=pipeOnDrain(r);e.on("drain",l);var u=!1,d=!1;return r.on("data",ondata),prependListener(e,"error",onerror),e.once("close",onclose),e.once("finish",onfinish),e.emit("pipe",r),s.flowing||(p("pipe resume"),r.resume()),e},Readable.prototype.unpipe=function(e){var t=this._readableState;if(0===t.pipesCount)return this;if(1===t.pipesCount)return e&&e!==t.pipes?this:(e||(e=t.pipes),t.pipes=null,t.pipesCount=0,t.flowing=!1,e&&e.emit("unpipe",this),this);if(!e){var n=t.pipes,r=t.pipesCount;t.pipes=null,t.pipesCount=0,t.flowing=!1;for(var a=0;a<r;a++)n[a].emit("unpipe",this);return this}var s=indexOf(t.pipes,e);return s===-1?this:(t.pipes.splice(s,1),t.pipesCount-=1,1===t.pipesCount&&(t.pipes=t.pipes[0]),e.emit("unpipe",this),this)},Readable.prototype.on=function(e,t){var n=o.prototype.on.call(this,e,t);if("data"===e)this._readableState.flowing!==!1&&this.resume();else if("readable"===e){var r=this._readableState;r.endEmitted||r.readableListening||(r.readableListening=r.needReadable=!0,r.emittedReadable=!1,r.reading?r.length&&emitReadable(this,r):a(nReadingNextTick,this))}return n},Readable.prototype.addListener=Readable.prototype.on,Readable.prototype.resume=function(){var e=this._readableState;return e.flowing||(p("resume"),e.flowing=!0,resume(this,e)),this},Readable.prototype.pause=function(){return p("call pause flowing=%j",this._readableState.flowing),!1!==this._readableState.flowing&&(p("pause"),this._readableState.flowing=!1,this.emit("pause")),this},Readable.prototype.wrap=function(e){var t=this._readableState,n=!1,r=this;e.on("end",function(){if(p("wrapped end"),t.decoder&&!t.ended){var e=t.decoder.end();e&&e.length&&r.push(e)}r.push(null)}),e.on("data",function(a){if(p("wrapped data"),t.decoder&&(a=t.decoder.write(a)),(!t.objectMode||null!==a&&void 0!==a)&&(t.objectMode||a&&a.length)){var s=r.push(a);s||(n=!0,e.pause())}});for(var a in e)void 0===this[a]&&"function"==typeof e[a]&&(this[a]=function(t){return function(){return e[t].apply(e,arguments)}}(a));var s=["error","close","destroy","pause","resume"];return forEach(s,function(t){e.on(t,r.emit.bind(r,t))}),r._read=function(t){p("wrapped _read",t),n&&(n=!1,e.resume())},r},Readable._fromList=fromList}).call(this,e("_process"))},{"./_stream_duplex":"/stanza.io-8.0.2/node_modules/stream-browserify/node_modules/readable-stream/lib/_stream_duplex.js","./internal/streams/BufferList":"/stanza.io-8.0.2/node_modules/stream-browserify/node_modules/readable-stream/lib/internal/streams/BufferList.js",_process:"/stanza.io-8.0.2/node_modules/browserify/node_modules/process/browser.js",buffer:"/stanza.io-8.0.2/node_modules/buffer/index.js","buffer-shims":"/stanza.io-8.0.2/node_modules/buffer-shims/index.js","core-util-is":"/stanza.io-8.0.2/node_modules/core-util-is/lib/util.js",events:"/stanza.io-8.0.2/node_modules/events/events.js",inherits:"/stanza.io-8.0.2/node_modules/inherits/inherits_browser.js",isarray:"/stanza.io-8.0.2/node_modules/stream-browserify/node_modules/isarray/index.js","process-nextick-args":"/stanza.io-8.0.2/node_modules/process-nextick-args/index.js","string_decoder/":"/stanza.io-8.0.2/node_modules/string_decoder/index.js",util:"/stanza.io-8.0.2/node_modules/browser-resolve/empty.js"}],"/stanza.io-8.0.2/node_modules/stream-browserify/node_modules/readable-stream/lib/_stream_transform.js":[function(e,t,n){"use strict";function TransformState(e){this.afterTransform=function(t,n){return afterTransform(e,t,n)},this.needTransform=!1,this.transforming=!1,this.writecb=null,this.writechunk=null,this.writeencoding=null}function afterTransform(e,t,n){var r=e._transformState;r.transforming=!1;var a=r.writecb;if(!a)return e.emit("error",new Error("no writecb in Transform class"));r.writechunk=null,r.writecb=null,null!==n&&void 0!==n&&e.push(n),a(t);var s=e._readableState;s.reading=!1,(s.needReadable||s.length<s.highWaterMark)&&e._read(s.highWaterMark)}function Transform(e){if(!(this instanceof Transform))return new Transform(e);r.call(this,e),this._transformState=new TransformState(this);var t=this;this._readableState.needReadable=!0,this._readableState.sync=!1,e&&("function"==typeof e.transform&&(this._transform=e.transform),"function"==typeof e.flush&&(this._flush=e.flush)),this.once("prefinish",function(){"function"==typeof this._flush?this._flush(function(e,n){done(t,e,n)}):done(t)})}function done(e,t,n){if(t)return e.emit("error",t);null!==n&&void 0!==n&&e.push(n);var r=e._writableState,a=e._transformState;if(r.length)throw new Error("Calling transform done when ws.length != 0");if(a.transforming)throw new Error("Calling transform done when still transforming");return e.push(null)}t.exports=Transform;var r=e("./_stream_duplex"),a=e("core-util-is");a.inherits=e("inherits"),a.inherits(Transform,r),Transform.prototype.push=function(e,t){return this._transformState.needTransform=!1,r.prototype.push.call(this,e,t)},Transform.prototype._transform=function(e,t,n){throw new Error("_transform() is not implemented")},Transform.prototype._write=function(e,t,n){var r=this._transformState;if(r.writecb=n,r.writechunk=e,r.writeencoding=t,!r.transforming){var a=this._readableState;(r.needTransform||a.needReadable||a.length<a.highWaterMark)&&this._read(a.highWaterMark)}},Transform.prototype._read=function(e){var 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release.");n("adapter.js shimming safari."),t.exports.browserShim=i,i.shimGetUserMedia();break;default:n("Unsupported browser!")}}()},{"./chrome/chrome_shim":"/stanza.io-8.0.2/node_modules/traceablepeerconnection/node_modules/webrtc-adapter/src/js/chrome/chrome_shim.js","./edge/edge_shim":"/stanza.io-8.0.2/node_modules/traceablepeerconnection/node_modules/webrtc-adapter/src/js/edge/edge_shim.js","./firefox/firefox_shim":"/stanza.io-8.0.2/node_modules/traceablepeerconnection/node_modules/webrtc-adapter/src/js/firefox/firefox_shim.js","./safari/safari_shim":"/stanza.io-8.0.2/node_modules/traceablepeerconnection/node_modules/webrtc-adapter/src/js/safari/safari_shim.js","./utils":"/stanza.io-8.0.2/node_modules/traceablepeerconnection/node_modules/webrtc-adapter/src/js/utils.js"}],"/stanza.io-8.0.2/node_modules/traceablepeerconnection/node_modules/webrtc-adapter/src/js/chrome/chrome_shim.js":[function(e,t,n){"use strict";var r=e("../utils.js").log,a=e("../utils.js").browserDetails,s={shimMediaStream:function(){window.MediaStream=window.MediaStream||window.webkitMediaStream},shimOnTrack:function(){"object"!=typeof window||!window.RTCPeerConnection||"ontrack"in window.RTCPeerConnection.prototype||Object.defineProperty(window.RTCPeerConnection.prototype,"ontrack",{get:function(){return this._ontrack},set:function(e){var t=this;this._ontrack&&(this.removeEventListener("track",this._ontrack),this.removeEventListener("addstream",this._ontrackpoly)),this.addEventListener("track",this._ontrack=e),this.addEventListener("addstream",this._ontrackpoly=function(e){e.stream.addEventListener("addtrack",function(n){var r=new Event("track");r.track=n.track,r.receiver={track:n.track},r.streams=[e.stream],t.dispatchEvent(r)}),e.stream.getTracks().forEach(function(t){var n=new Event("track");n.track=t,n.receiver={track:t},n.streams=[e.stream],this.dispatchEvent(n)}.bind(this))}.bind(this))}})},shimSourceObject:function(){"object"==typeof window&&(!window.HTMLMediaElement||"srcObject"in window.HTMLMediaElement.prototype||Object.defineProperty(window.HTMLMediaElement.prototype,"srcObject",{get:function(){return this._srcObject},set:function(e){var t=this;return this._srcObject=e,this.src&&URL.revokeObjectURL(this.src),e?(this.src=URL.createObjectURL(e),e.addEventListener("addtrack",function(){t.src&&URL.revokeObjectURL(t.src),t.src=URL.createObjectURL(e)}),void e.addEventListener("removetrack",function(){t.src&&URL.revokeObjectURL(t.src),t.src=URL.createObjectURL(e)})):void(this.src="")}}))},shimPeerConnection:function(){window.RTCPeerConnection=function(e,t){r("PeerConnection"),e&&e.iceTransportPolicy&&(e.iceTransports=e.iceTransportPolicy);var n=new webkitRTCPeerConnection(e,t),a=n.getStats.bind(n);return n.getStats=function(e,t,n){var r=this,s=arguments;if(arguments.length>0&&"function"==typeof e)return a(e,t);var o=function(e){var t={},n=e.result();return n.forEach(function(e){var n={id:e.id,timestamp:e.timestamp,type:e.type};e.names().forEach(function(t){n[t]=e.stat(t)}),t[n.id]=n}),t},i=function(e,t){var n=new Map(Object.keys(e).map(function(t){return[t,e[t]]}));return t=t||e,Object.keys(t).forEach(function(e){n[e]=t[e]}),n};if(arguments.length>=2){var c=function(e){s[1](i(o(e)))};return a.apply(this,[c,arguments[0]])}return new Promise(function(t,n){1===s.length&&"object"==typeof e?a.apply(r,[function(e){t(i(o(e)))},n]):a.apply(r,[function(e){t(i(o(e),e.result()))},n])}).then(t,n)},n},window.RTCPeerConnection.prototype=webkitRTCPeerConnection.prototype,webkitRTCPeerConnection.generateCertificate&&Object.defineProperty(window.RTCPeerConnection,"generateCertificate",{get:function(){return webkitRTCPeerConnection.generateCertificate}}),["createOffer","createAnswer"].forEach(function(e){var t=webkitRTCPeerConnection.prototype[e];webkitRTCPeerConnection.prototype[e]=function(){var e=this;if(arguments.length<1||1===arguments.length&&"object"==typeof arguments[0]){var n=1===arguments.length?arguments[0]:void 0;return new Promise(function(r,a){t.apply(e,[r,a,n])})}return t.apply(this,arguments)}}),a.version<51&&["setLocalDescription","setRemoteDescription","addIceCandidate"].forEach(function(e){var t=webkitRTCPeerConnection.prototype[e];webkitRTCPeerConnection.prototype[e]=function(){var e=arguments,n=this,r=new Promise(function(r,a){t.apply(n,[e[0],r,a])});return e.length<2?r:r.then(function(){e[1].apply(null,[])},function(t){e.length>=3&&e[2].apply(null,[t])})}});var e=RTCPeerConnection.prototype.addIceCandidate;RTCPeerConnection.prototype.addIceCandidate=function(){return null===arguments[0]?Promise.resolve():e.apply(this,arguments)},["setLocalDescription","setRemoteDescription","addIceCandidate"].forEach(function(e){var t=webkitRTCPeerConnection.prototype[e];webkitRTCPeerConnection.prototype[e]=function(){return arguments[0]=new("addIceCandidate"===e?RTCIceCandidate:RTCSessionDescription)(arguments[0]),t.apply(this,arguments)}})},attachMediaStream:function(e,t){r("DEPRECATED, attachMediaStream will soon be removed."),a.version>=43?e.srcObject=t:"undefined"!=typeof e.src?e.src=URL.createObjectURL(t):r("Error attaching stream to element.")},reattachMediaStream:function(e,t){r("DEPRECATED, reattachMediaStream will soon be removed."),a.version>=43?e.srcObject=t.srcObject:e.src=t.src}};t.exports={shimMediaStream:s.shimMediaStream,shimOnTrack:s.shimOnTrack,shimSourceObject:s.shimSourceObject,shimPeerConnection:s.shimPeerConnection,shimGetUserMedia:e("./getusermedia"),attachMediaStream:s.attachMediaStream,reattachMediaStream:s.reattachMediaStream}},{"../utils.js":"/stanza.io-8.0.2/node_modules/traceablepeerconnection/node_modules/webrtc-adapter/src/js/utils.js","./getusermedia":"/stanza.io-8.0.2/node_modules/traceablepeerconnection/node_modules/webrtc-adapter/src/js/chrome/getusermedia.js"}],"/stanza.io-8.0.2/node_modules/traceablepeerconnection/node_modules/webrtc-adapter/src/js/chrome/getusermedia.js":[function(e,t,n){"use strict";var r=e("../utils.js").log;t.exports=function(){var e=function(e){if("object"!=typeof e||e.mandatory||e.optional)return e;var t={};return Object.keys(e).forEach(function(n){if("require"!==n&&"advanced"!==n&&"mediaSource"!==n){var r="object"==typeof e[n]?e[n]:{ideal:e[n]};void 0!==r.exact&&"number"==typeof r.exact&&(r.min=r.max=r.exact);var a=function(e,t){return e?e+t.charAt(0).toUpperCase()+t.slice(1):"deviceId"===t?"sourceId":t};if(void 0!==r.ideal){t.optional=t.optional||[];var s={};"number"==typeof r.ideal?(s[a("min",n)]=r.ideal,t.optional.push(s),s={},s[a("max",n)]=r.ideal,t.optional.push(s)):(s[a("",n)]=r.ideal,t.optional.push(s))}void 0!==r.exact&&"number"!=typeof r.exact?(t.mandatory=t.mandatory||{},t.mandatory[a("",n)]=r.exact):["min","max"].forEach(function(e){void 0!==r[e]&&(t.mandatory=t.mandatory||{},t.mandatory[a(e,n)]=r[e])})}}),e.advanced&&(t.optional=(t.optional||[]).concat(e.advanced)),t},t=function(t,n){if(t=JSON.parse(JSON.stringify(t)),t&&t.audio&&(t.audio=e(t.audio)),t&&"object"==typeof t.video){var a=t.video.facingMode;if(a=a&&("object"==typeof a?a:{ideal:a}),a&&("user"===a.exact||"environment"===a.exact||"user"===a.ideal||"environment"===a.ideal)&&(!navigator.mediaDevices.getSupportedConstraints||!navigator.mediaDevices.getSupportedConstraints().facingMode)&&(delete t.video.facingMode,"environment"===a.exact||"environment"===a.ideal))return navigator.mediaDevices.enumerateDevices().then(function(s){s=s.filter(function(e){return"videoinput"===e.kind});var o=s.find(function(e){return e.label.toLowerCase().indexOf("back")!==-1})||s.length&&s[s.length-1];return o&&(t.video.deviceId=a.exact?{exact:o.deviceId}:{ideal:o.deviceId}),t.video=e(t.video),r("chrome: "+JSON.stringify(t)),n(t)});t.video=e(t.video)}return r("chrome: "+JSON.stringify(t)),n(t)},n=function(e){return{name:{PermissionDeniedError:"NotAllowedError",ConstraintNotSatisfiedError:"OverconstrainedError"}[e.name]||e.name,message:e.message,constraint:e.constraintName,toString:function(){return this.name+(this.message&&": ")+this.message}}},a=function(e,r,a){t(e,function(e){navigator.webkitGetUserMedia(e,r,function(e){a(n(e))})})};navigator.getUserMedia=a;var s=function(e){return new Promise(function(t,n){navigator.getUserMedia(e,t,n)})};if(navigator.mediaDevices||(navigator.mediaDevices={getUserMedia:s,enumerateDevices:function(){return new Promise(function(e){var t={audio:"audioinput",video:"videoinput"};return MediaStreamTrack.getSources(function(n){e(n.map(function(e){return{label:e.label,kind:t[e.kind],deviceId:e.id,groupId:""}}))})})}}),navigator.mediaDevices.getUserMedia){var o=navigator.mediaDevices.getUserMedia.bind(navigator.mediaDevices);navigator.mediaDevices.getUserMedia=function(e){return t(e,function(e){return o(e).catch(function(e){return Promise.reject(n(e))})})}}else navigator.mediaDevices.getUserMedia=function(e){return s(e)};"undefined"==typeof navigator.mediaDevices.addEventListener&&(navigator.mediaDevices.addEventListener=function(){r("Dummy mediaDevices.addEventListener called.")}),"undefined"==typeof navigator.mediaDevices.removeEventListener&&(navigator.mediaDevices.removeEventListener=function(){r("Dummy mediaDevices.removeEventListener called.")})}},{"../utils.js":"/stanza.io-8.0.2/node_modules/traceablepeerconnection/node_modules/webrtc-adapter/src/js/utils.js"}],"/stanza.io-8.0.2/node_modules/traceablepeerconnection/node_modules/webrtc-adapter/src/js/edge/edge_shim.js":[function(e,t,n){"use strict";var r=e("sdp"),a=e("../utils").log,s={shimPeerConnection:function(){window.RTCIceGatherer&&(window.RTCIceCandidate||(window.RTCIceCandidate=function(e){return e}),window.RTCSessionDescription||(window.RTCSessionDescription=function(e){return e})),window.RTCPeerConnection=function(e){var t=this,n=document.createDocumentFragment();if(["addEventListener","removeEventListener","dispatchEvent"].forEach(function(e){t[e]=n[e].bind(n)}),this.onicecandidate=null,this.onaddstream=null,this.ontrack=null,this.onremovestream=null,this.onsignalingstatechange=null,this.oniceconnectionstatechange=null,this.onnegotiationneeded=null,this.ondatachannel=null,this.localStreams=[],this.remoteStreams=[],this.getLocalStreams=function(){return t.localStreams},this.getRemoteStreams=function(){return t.remoteStreams},this.localDescription=new RTCSessionDescription({type:"",sdp:""}),this.remoteDescription=new RTCSessionDescription({type:"",sdp:""}),this.signalingState="stable",this.iceConnectionState="new",this.iceGatheringState="new",this.iceOptions={gatherPolicy:"all",iceServers:[]},e&&e.iceTransportPolicy)switch(e.iceTransportPolicy){case"all":case"relay":this.iceOptions.gatherPolicy=e.iceTransportPolicy;break;case"none":throw new TypeError('iceTransportPolicy "none" not supported')}if(this.usingBundle=e&&"max-bundle"===e.bundlePolicy,e&&e.iceServers){var r=JSON.parse(JSON.stringify(e.iceServers));this.iceOptions.iceServers=r.filter(function(e){if(e&&e.urls){var t=e.urls;return"string"==typeof t&&(t=[t]),t=t.filter(function(e){return 0===e.indexOf("turn:")&&e.indexOf("transport=udp")!==-1})[0],!!t}return!1})}this.transceivers=[],this._localIceCandidatesBuffer=[]},window.RTCPeerConnection.prototype._emitBufferedCandidates=function(){var e=this,t=r.splitSections(e.localDescription.sdp);this._localIceCandidatesBuffer.forEach(function(n){var r=!n.candidate||0===Object.keys(n.candidate).length;if(r)for(var a=1;a<t.length;a++)t[a].indexOf("\r\na=end-of-candidates\r\n")===-1&&(t[a]+="a=end-of-candidates\r\n");else n.candidate.candidate.indexOf("typ endOfCandidates")===-1&&(t[n.candidate.sdpMLineIndex+1]+="a="+n.candidate.candidate+"\r\n");if(e.localDescription.sdp=t.join(""),e.dispatchEvent(n),null!==e.onicecandidate&&e.onicecandidate(n),!n.candidate&&"complete"!==e.iceGatheringState){var s=e.transceivers.every(function(e){return e.iceGatherer&&"completed"===e.iceGatherer.state});s&&(e.iceGatheringState="complete")}}),this._localIceCandidatesBuffer=[]},window.RTCPeerConnection.prototype.addStream=function(e){this.localStreams.push(e.clone()),this._maybeFireNegotiationNeeded()},window.RTCPeerConnection.prototype.removeStream=function(e){var t=this.localStreams.indexOf(e);t>-1&&(this.localStreams.splice(t,1),this._maybeFireNegotiationNeeded())},window.RTCPeerConnection.prototype.getSenders=function(){return this.transceivers.filter(function(e){return!!e.rtpSender}).map(function(e){return e.rtpSender})},window.RTCPeerConnection.prototype.getReceivers=function(){return this.transceivers.filter(function(e){return!!e.rtpReceiver}).map(function(e){return e.rtpReceiver})},window.RTCPeerConnection.prototype._getCommonCapabilities=function(e,t){var n={codecs:[],headerExtensions:[],fecMechanisms:[]};return e.codecs.forEach(function(e){
for(var r=0;r<t.codecs.length;r++){var a=t.codecs[r];if(e.name.toLowerCase()===a.name.toLowerCase()&&e.clockRate===a.clockRate&&e.numChannels===a.numChannels){n.codecs.push(a);break}}}),e.headerExtensions.forEach(function(e){for(var r=0;r<t.headerExtensions.length;r++){var a=t.headerExtensions[r];if(e.uri===a.uri){n.headerExtensions.push(a);break}}}),n},window.RTCPeerConnection.prototype._createIceAndDtlsTransports=function(e,t){var n=this,a=new RTCIceGatherer(n.iceOptions),s=new RTCIceTransport(a);a.onlocalcandidate=function(o){var i=new Event("icecandidate");i.candidate={sdpMid:e,sdpMLineIndex:t};var c=o.candidate,l=!c||0===Object.keys(c).length;l?(void 0===a.state&&(a.state="completed"),i.candidate.candidate="candidate:1 1 udp 1 0.0.0.0 9 typ endOfCandidates"):(c.component="RTCP"===s.component?2:1,i.candidate.candidate=r.writeCandidate(c));var u=r.splitSections(n.localDescription.sdp);i.candidate.candidate.indexOf("typ endOfCandidates")===-1?u[i.candidate.sdpMLineIndex+1]+="a="+i.candidate.candidate+"\r\n":u[i.candidate.sdpMLineIndex+1]+="a=end-of-candidates\r\n",n.localDescription.sdp=u.join("");var d=n.transceivers.every(function(e){return e.iceGatherer&&"completed"===e.iceGatherer.state});switch(n.iceGatheringState){case"new":n._localIceCandidatesBuffer.push(i),l&&d&&n._localIceCandidatesBuffer.push(new Event("icecandidate"));break;case"gathering":n._emitBufferedCandidates(),n.dispatchEvent(i),null!==n.onicecandidate&&n.onicecandidate(i),d&&(n.dispatchEvent(new Event("icecandidate")),null!==n.onicecandidate&&n.onicecandidate(new Event("icecandidate")),n.iceGatheringState="complete");break;case"complete":}},s.onicestatechange=function(){n._updateConnectionState()};var o=new RTCDtlsTransport(s);return o.ondtlsstatechange=function(){n._updateConnectionState()},o.onerror=function(){o.state="failed",n._updateConnectionState()},{iceGatherer:a,iceTransport:s,dtlsTransport:o}},window.RTCPeerConnection.prototype._transceive=function(e,t,n){var a=this._getCommonCapabilities(e.localCapabilities,e.remoteCapabilities);t&&e.rtpSender&&(a.encodings=e.sendEncodingParameters,a.rtcp={cname:r.localCName},e.recvEncodingParameters.length&&(a.rtcp.ssrc=e.recvEncodingParameters[0].ssrc),e.rtpSender.send(a)),n&&e.rtpReceiver&&(a.encodings=e.recvEncodingParameters,a.rtcp={cname:e.cname},e.sendEncodingParameters.length&&(a.rtcp.ssrc=e.sendEncodingParameters[0].ssrc),e.rtpReceiver.receive(a))},window.RTCPeerConnection.prototype.setLocalDescription=function(e){var t,n,a=this;if("offer"===e.type)this._pendingOffer&&(t=r.splitSections(e.sdp),n=t.shift(),t.forEach(function(e,t){var n=r.parseRtpParameters(e);a._pendingOffer[t].localCapabilities=n}),this.transceivers=this._pendingOffer,delete this._pendingOffer);else if("answer"===e.type){t=r.splitSections(a.remoteDescription.sdp),n=t.shift();var s=r.matchPrefix(n,"a=ice-lite").length>0;t.forEach(function(e,t){var o=a.transceivers[t],i=o.iceGatherer,c=o.iceTransport,l=o.dtlsTransport,u=o.localCapabilities,d=o.remoteCapabilities,p="0"===e.split("\n",1)[0].split(" ",2)[1];if(!p){var f=r.getIceParameters(e,n);if(s){var m=r.matchPrefix(e,"a=candidate:").map(function(e){return r.parseCandidate(e)}).filter(function(e){return"1"===e.component});m.length&&c.setRemoteCandidates(m)}var h=r.getDtlsParameters(e,n);s&&(h.role="server"),a.usingBundle&&0!==t||(c.start(i,f,s?"controlling":"controlled"),l.start(h));var b=a._getCommonCapabilities(u,d);a._transceive(o,b.codecs.length>0,!1)}})}switch(this.localDescription={type:e.type,sdp:e.sdp},e.type){case"offer":this._updateSignalingState("have-local-offer");break;case"answer":this._updateSignalingState("stable");break;default:throw new TypeError('unsupported type "'+e.type+'"')}var o=arguments.length>1&&"function"==typeof arguments[1];if(o){var i=arguments[1];window.setTimeout(function(){i(),"new"===a.iceGatheringState&&(a.iceGatheringState="gathering"),a._emitBufferedCandidates()},0)}var c=Promise.resolve();return c.then(function(){o||("new"===a.iceGatheringState&&(a.iceGatheringState="gathering"),window.setTimeout(a._emitBufferedCandidates.bind(a),500))}),c},window.RTCPeerConnection.prototype.setRemoteDescription=function(e){var t=this,n=new MediaStream,a=[],s=r.splitSections(e.sdp),o=s.shift(),i=r.matchPrefix(o,"a=ice-lite").length>0;switch(this.usingBundle=r.matchPrefix(o,"a=group:BUNDLE ").length>0,s.forEach(function(s,c){var l,u,d,p,f,m,h,b,g,v,j,_,w=r.splitLines(s),y=w[0].substr(2).split(" "),x=y[0],S="0"===y[1],E=r.getDirection(s,o),D=r.parseRtpParameters(s);S||(j=r.getIceParameters(s,o),_=r.getDtlsParameters(s,o),_.role="client"),b=r.parseRtpEncodingParameters(s);var C=r.matchPrefix(s,"a=mid:");C=C.length?C[0].substr(6):r.generateIdentifier();var T,U=r.matchPrefix(s,"a=ssrc:").map(function(e){return r.parseSsrcMedia(e)}).filter(function(e){return"cname"===e.attribute})[0];U&&(T=U.value);var R=r.matchPrefix(s,"a=end-of-candidates").length>0,O=r.matchPrefix(s,"a=candidate:").map(function(e){return r.parseCandidate(e)}).filter(function(e){return"1"===e.component});if("offer"!==e.type||S)"answer"!==e.type||S||(l=t.transceivers[c],u=l.iceGatherer,d=l.iceTransport,p=l.dtlsTransport,f=l.rtpSender,m=l.rtpReceiver,h=l.sendEncodingParameters,g=l.localCapabilities,t.transceivers[c].recvEncodingParameters=b,t.transceivers[c].remoteCapabilities=D,t.transceivers[c].cname=T,(i||R)&&O.length&&d.setRemoteCandidates(O),t.usingBundle&&0!==c||(d.start(u,j,"controlling"),p.start(_)),t._transceive(l,"sendrecv"===E||"recvonly"===E,"sendrecv"===E||"sendonly"===E),!m||"sendrecv"!==E&&"sendonly"!==E?delete l.rtpReceiver:(v=m.track,a.push([v,m]),n.addTrack(v)));else{var A=t.usingBundle&&c>0?{iceGatherer:t.transceivers[0].iceGatherer,iceTransport:t.transceivers[0].iceTransport,dtlsTransport:t.transceivers[0].dtlsTransport}:t._createIceAndDtlsTransports(C,c);if(R&&A.iceTransport.setRemoteCandidates(O),g=RTCRtpReceiver.getCapabilities(x),h=[{ssrc:1001*(2*c+2)}],m=new RTCRtpReceiver(A.dtlsTransport,x),v=m.track,a.push([v,m]),n.addTrack(v),t.localStreams.length>0&&t.localStreams[0].getTracks().length>=c){var N=t.localStreams[0].getTracks()[c];f=new RTCRtpSender(N,A.dtlsTransport)}t.transceivers[c]={iceGatherer:A.iceGatherer,iceTransport:A.iceTransport,dtlsTransport:A.dtlsTransport,localCapabilities:g,remoteCapabilities:D,rtpSender:f,rtpReceiver:m,kind:x,mid:C,cname:T,sendEncodingParameters:h,recvEncodingParameters:b},t._transceive(t.transceivers[c],!1,"sendrecv"===E||"sendonly"===E)}}),this.remoteDescription={type:e.type,sdp:e.sdp},e.type){case"offer":this._updateSignalingState("have-remote-offer");break;case"answer":this._updateSignalingState("stable");break;default:throw new TypeError('unsupported type "'+e.type+'"')}return n.getTracks().length&&(t.remoteStreams.push(n),window.setTimeout(function(){var e=new Event("addstream");e.stream=n,t.dispatchEvent(e),null!==t.onaddstream&&window.setTimeout(function(){t.onaddstream(e)},0),a.forEach(function(r){var a=r[0],s=r[1],o=new Event("track");o.track=a,o.receiver=s,o.streams=[n],t.dispatchEvent(e),null!==t.ontrack&&window.setTimeout(function(){t.ontrack(o)},0)})},0)),arguments.length>1&&"function"==typeof arguments[1]&&window.setTimeout(arguments[1],0),Promise.resolve()},window.RTCPeerConnection.prototype.close=function(){this.transceivers.forEach(function(e){e.iceTransport&&e.iceTransport.stop(),e.dtlsTransport&&e.dtlsTransport.stop(),e.rtpSender&&e.rtpSender.stop(),e.rtpReceiver&&e.rtpReceiver.stop()}),this._updateSignalingState("closed")},window.RTCPeerConnection.prototype._updateSignalingState=function(e){this.signalingState=e;var t=new Event("signalingstatechange");this.dispatchEvent(t),null!==this.onsignalingstatechange&&this.onsignalingstatechange(t)},window.RTCPeerConnection.prototype._maybeFireNegotiationNeeded=function(){var e=new Event("negotiationneeded");this.dispatchEvent(e),null!==this.onnegotiationneeded&&this.onnegotiationneeded(e)},window.RTCPeerConnection.prototype._updateConnectionState=function(){var e,t=this,n={new:0,closed:0,connecting:0,checking:0,connected:0,completed:0,failed:0};if(this.transceivers.forEach(function(e){n[e.iceTransport.state]++,n[e.dtlsTransport.state]++}),n.connected+=n.completed,e="new",n.failed>0?e="failed":n.connecting>0||n.checking>0?e="connecting":n.disconnected>0?e="disconnected":n.new>0?e="new":(n.connected>0||n.completed>0)&&(e="connected"),e!==t.iceConnectionState){t.iceConnectionState=e;var r=new Event("iceconnectionstatechange");this.dispatchEvent(r),null!==this.oniceconnectionstatechange&&this.oniceconnectionstatechange(r)}},window.RTCPeerConnection.prototype.createOffer=function(){var e=this;if(this._pendingOffer)throw new Error("createOffer called while there is a pending offer.");var t;1===arguments.length&&"function"!=typeof arguments[0]?t=arguments[0]:3===arguments.length&&(t=arguments[2]);var n=[],a=0,s=0;if(this.localStreams.length&&(a=this.localStreams[0].getAudioTracks().length,s=this.localStreams[0].getVideoTracks().length),t){if(t.mandatory||t.optional)throw new TypeError("Legacy mandatory/optional constraints not supported.");void 0!==t.offerToReceiveAudio&&(a=t.offerToReceiveAudio),void 0!==t.offerToReceiveVideo&&(s=t.offerToReceiveVideo)}for(this.localStreams.length&&this.localStreams[0].getTracks().forEach(function(e){n.push({kind:e.kind,track:e,wantReceive:"audio"===e.kind?a>0:s>0}),"audio"===e.kind?a--:"video"===e.kind&&s--});a>0||s>0;)a>0&&(n.push({kind:"audio",wantReceive:!0}),a--),s>0&&(n.push({kind:"video",wantReceive:!0}),s--);var o=r.writeSessionBoilerplate(),i=[];n.forEach(function(t,n){var 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a=t.codecs[r];if(e.name.toLowerCase()===a.name.toLowerCase()&&e.clockRate===a.clockRate){a.numChannels=Math.min(e.numChannels,a.numChannels),n.codecs.push(a),a.rtcpFeedback=a.rtcpFeedback.filter(function(t){for(var n=0;n<e.rtcpFeedback.length;n++)if(e.rtcpFeedback[n].type===t.type&&e.rtcpFeedback[n].parameter===t.parameter)return!0;return!1});break}}}),e.headerExtensions.forEach(function(e){for(var r=0;r<t.headerExtensions.length;r++){var a=t.headerExtensions[r];if(e.uri===a.uri){n.headerExtensions.push(a);break}}}),n},window.RTCPeerConnection.prototype._createIceAndDtlsTransports=function(e,t){var n=this,a=new RTCIceGatherer(n.iceOptions),s=new RTCIceTransport(a);a.onlocalcandidate=function(o){var i=new Event("icecandidate");i.candidate={sdpMid:e,sdpMLineIndex:t};var c=o.candidate,l=!c||0===Object.keys(c).length;l?(void 0===a.state&&(a.state="completed"),i.candidate.candidate="candidate:1 1 udp 1 0.0.0.0 9 typ endOfCandidates"):(c.component="RTCP"===s.component?2:1,i.candidate.candidate=r.writeCandidate(c));var u=r.splitSections(n.localDescription.sdp);i.candidate.candidate.indexOf("typ endOfCandidates")===-1?u[i.candidate.sdpMLineIndex+1]+="a="+i.candidate.candidate+"\r\n":u[i.candidate.sdpMLineIndex+1]+="a=end-of-candidates\r\n",n.localDescription.sdp=u.join("");var d=n.transceivers.every(function(e){return e.iceGatherer&&"completed"===e.iceGatherer.state});switch(n.iceGatheringState){case"new":n._localIceCandidatesBuffer.push(i),l&&d&&n._localIceCandidatesBuffer.push(new Event("icecandidate"));break;case"gathering":n._emitBufferedCandidates(),n.dispatchEvent(i),null!==n.onicecandidate&&n.onicecandidate(i),d&&(n.dispatchEvent(new Event("icecandidate")),null!==n.onicecandidate&&n.onicecandidate(new Event("icecandidate")),n.iceGatheringState="complete");break;case"complete":}},s.onicestatechange=function(){n._updateConnectionState()};var o=new RTCDtlsTransport(s);return o.ondtlsstatechange=function(){n._updateConnectionState()},o.onerror=function(){o.state="failed",n._updateConnectionState()},{iceGatherer:a,iceTransport:s,dtlsTransport:o}},window.RTCPeerConnection.prototype._transceive=function(e,t,n){var a=this._getCommonCapabilities(e.localCapabilities,e.remoteCapabilities);t&&e.rtpSender&&(a.encodings=e.sendEncodingParameters,a.rtcp={cname:r.localCName},e.recvEncodingParameters.length&&(a.rtcp.ssrc=e.recvEncodingParameters[0].ssrc),e.rtpSender.send(a)),n&&e.rtpReceiver&&("video"===e.kind&&e.recvEncodingParameters&&e.recvEncodingParameters.forEach(function(e){delete e.rtx}),a.encodings=e.recvEncodingParameters,a.rtcp={cname:e.cname},e.sendEncodingParameters.length&&(a.rtcp.ssrc=e.sendEncodingParameters[0].ssrc),e.rtpReceiver.receive(a))},window.RTCPeerConnection.prototype.setLocalDescription=function(e){var t,n,a=this;if("offer"===e.type)this._pendingOffer&&(t=r.splitSections(e.sdp),n=t.shift(),t.forEach(function(e,t){var n=r.parseRtpParameters(e);a._pendingOffer[t].localCapabilities=n}),this.transceivers=this._pendingOffer,delete this._pendingOffer);else if("answer"===e.type){t=r.splitSections(a.remoteDescription.sdp),n=t.shift();var s=r.matchPrefix(n,"a=ice-lite").length>0;t.forEach(function(e,t){var o=a.transceivers[t],i=o.iceGatherer,c=o.iceTransport,l=o.dtlsTransport,u=o.localCapabilities,d=o.remoteCapabilities,p="0"===e.split("\n",1)[0].split(" ",2)[1];if(!p&&!o.isDatachannel){var f=r.getIceParameters(e,n);if(s){var m=r.matchPrefix(e,"a=candidate:").map(function(e){return r.parseCandidate(e)}).filter(function(e){return"1"===e.component});m.length&&c.setRemoteCandidates(m)}var h=r.getDtlsParameters(e,n);s&&(h.role="server"),a.usingBundle&&0!==t||(c.start(i,f,s?"controlling":"controlled"),l.start(h));var b=a._getCommonCapabilities(u,d);a._transceive(o,b.codecs.length>0,!1)}})}switch(this.localDescription={type:e.type,sdp:e.sdp},e.type){case"offer":this._updateSignalingState("have-local-offer");break;case"answer":this._updateSignalingState("stable");break;default:throw new TypeError('unsupported type "'+e.type+'"')}var o=arguments.length>1&&"function"==typeof arguments[1];if(o){var i=arguments[1];window.setTimeout(function(){i(),"new"===a.iceGatheringState&&(a.iceGatheringState="gathering"),a._emitBufferedCandidates()},0)}var c=Promise.resolve();return c.then(function(){o||("new"===a.iceGatheringState&&(a.iceGatheringState="gathering"),window.setTimeout(a._emitBufferedCandidates.bind(a),500))}),c},window.RTCPeerConnection.prototype.setRemoteDescription=function(e){var t=this,n=new MediaStream,a=[],s=r.splitSections(e.sdp),o=s.shift(),i=r.matchPrefix(o,"a=ice-lite").length>0;switch(this.usingBundle=r.matchPrefix(o,"a=group:BUNDLE ").length>0,s.forEach(function(s,c){var l=r.splitLines(s),u=l[0].substr(2).split(" "),d=u[0],p="0"===u[1],f=r.getDirection(s,o),m=r.matchPrefix(s,"a=mid:");if(m=m.length?m[0].substr(6):r.generateIdentifier(),"application"===d&&"DTLS/SCTP"===u[2])return void(t.transceivers[c]={mid:m,isDatachannel:!0});var h,b,g,v,j,_,w,y,x,S,E,D,C=r.parseRtpParameters(s);p||(E=r.getIceParameters(s,o),D=r.getDtlsParameters(s,o),D.role="client"),y=r.parseRtpEncodingParameters(s);var T,U=r.matchPrefix(s,"a=ssrc:").map(function(e){return r.parseSsrcMedia(e)}).filter(function(e){return"cname"===e.attribute})[0];U&&(T=U.value);var R=r.matchPrefix(s,"a=end-of-candidates",o).length>0,O=r.matchPrefix(s,"a=candidate:").map(function(e){return r.parseCandidate(e)}).filter(function(e){return"1"===e.component});if("offer"!==e.type||p)"answer"!==e.type||p||(h=t.transceivers[c],b=h.iceGatherer,g=h.iceTransport,v=h.dtlsTransport,j=h.rtpSender,_=h.rtpReceiver,w=h.sendEncodingParameters,x=h.localCapabilities,t.transceivers[c].recvEncodingParameters=y,t.transceivers[c].remoteCapabilities=C,t.transceivers[c].cname=T,(i||R)&&O.length&&g.setRemoteCandidates(O),t.usingBundle&&0!==c||(g.start(b,E,"controlling"),v.start(D)),t._transceive(h,"sendrecv"===f||"recvonly"===f,"sendrecv"===f||"sendonly"===f),!_||"sendrecv"!==f&&"sendonly"!==f?delete h.rtpReceiver:(S=_.track,a.push([S,_]),n.addTrack(S)));else{var A=t.usingBundle&&c>0?{iceGatherer:t.transceivers[0].iceGatherer,iceTransport:t.transceivers[0].iceTransport,dtlsTransport:t.transceivers[0].dtlsTransport}:t._createIceAndDtlsTransports(m,c);if(R&&A.iceTransport.setRemoteCandidates(O),x=RTCRtpReceiver.getCapabilities(d),x.codecs=x.codecs.filter(function(e){return"rtx"!==e.name}),w=[{ssrc:1001*(2*c+2)}],_=new RTCRtpReceiver(A.dtlsTransport,d),S=_.track,a.push([S,_]),n.addTrack(S),t.localStreams.length>0&&t.localStreams[0].getTracks().length>=c){var N;"audio"===d?N=t.localStreams[0].getAudioTracks()[0]:"video"===d&&(N=t.localStreams[0].getVideoTracks()[0]),N&&(j=new RTCRtpSender(N,A.dtlsTransport))}t.transceivers[c]={iceGatherer:A.iceGatherer,iceTransport:A.iceTransport,dtlsTransport:A.dtlsTransport,localCapabilities:x,remoteCapabilities:C,rtpSender:j,rtpReceiver:_,kind:d,mid:m,cname:T,sendEncodingParameters:w,recvEncodingParameters:y},t._transceive(t.transceivers[c],!1,"sendrecv"===f||"sendonly"===f)}}),this.remoteDescription={type:e.type,sdp:e.sdp},e.type){case"offer":this._updateSignalingState("have-remote-offer");break;case"answer":this._updateSignalingState("stable");break;default:throw new TypeError('unsupported type "'+e.type+'"')}return n.getTracks().length&&(t.remoteStreams.push(n),window.setTimeout(function(){var e=new Event("addstream");e.stream=n,t.dispatchEvent(e),null!==t.onaddstream&&window.setTimeout(function(){t.onaddstream(e)},0),a.forEach(function(r){var a=r[0],s=r[1],o=new Event("track");o.track=a,o.receiver=s,o.streams=[n],t.dispatchEvent(e),null!==t.ontrack&&window.setTimeout(function(){t.ontrack(o)},0)})},0)),arguments.length>1&&"function"==typeof arguments[1]&&window.setTimeout(arguments[1],0),Promise.resolve()},window.RTCPeerConnection.prototype.close=function(){this.transceivers.forEach(function(e){e.iceTransport&&e.iceTransport.stop(),e.dtlsTransport&&e.dtlsTransport.stop(),e.rtpSender&&e.rtpSender.stop(),e.rtpReceiver&&e.rtpReceiver.stop()}),this._updateSignalingState("closed")},window.RTCPeerConnection.prototype._updateSignalingState=function(e){this.signalingState=e;var t=new Event("signalingstatechange");this.dispatchEvent(t),null!==this.onsignalingstatechange&&this.onsignalingstatechange(t)},window.RTCPeerConnection.prototype._maybeFireNegotiationNeeded=function(){var e=new Event("negotiationneeded");this.dispatchEvent(e),null!==this.onnegotiationneeded&&this.onnegotiationneeded(e)},window.RTCPeerConnection.prototype._updateConnectionState=function(){var e,t=this,n={new:0,closed:0,connecting:0,checking:0,connected:0,completed:0,failed:0};if(this.transceivers.forEach(function(e){n[e.iceTransport.state]++,n[e.dtlsTransport.state]++}),n.connected+=n.completed,e="new",n.failed>0?e="failed":n.connecting>0||n.checking>0?e="connecting":n.disconnected>0?e="disconnected":n.new>0?e="new":(n.connected>0||n.completed>0)&&(e="connected"),e!==t.iceConnectionState){t.iceConnectionState=e;var r=new Event("iceconnectionstatechange");this.dispatchEvent(r),null!==this.oniceconnectionstatechange&&this.oniceconnectionstatechange(r)}},window.RTCPeerConnection.prototype.createOffer=function(){var e=this;if(this._pendingOffer)throw new Error("createOffer called while there is a pending offer.");var t;1===arguments.length&&"function"!=typeof arguments[0]?t=arguments[0]:3===arguments.length&&(t=arguments[2]);var n=[],a=0,s=0;if(this.localStreams.length&&(a=this.localStreams[0].getAudioTracks().length,s=this.localStreams[0].getVideoTracks().length),t){if(t.mandatory||t.optional)throw new TypeError("Legacy mandatory/optional constraints not supported.");void 0!==t.offerToReceiveAudio&&(a=t.offerToReceiveAudio),void 0!==t.offerToReceiveVideo&&(s=t.offerToReceiveVideo)}for(this.localStreams.length&&this.localStreams[0].getTracks().forEach(function(e){n.push({kind:e.kind,track:e,wantReceive:"audio"===e.kind?a>0:s>0}),"audio"===e.kind?a--:"video"===e.kind&&s--});a>0||s>0;)a>0&&(n.push({kind:"audio",wantReceive:!0}),a--),s>0&&(n.push({kind:"video",wantReceive:!0}),s--);var o=r.writeSessionBoilerplate(),i=[];n.forEach(function(t,n){var a=t.track,s=t.kind,o=r.generateIdentifier(),c=e.usingBundle&&n>0?{iceGatherer:i[0].iceGatherer,iceTransport:i[0].iceTransport,dtlsTransport:i[0].dtlsTransport}:e._createIceAndDtlsTransports(o,n),l=RTCRtpSender.getCapabilities(s);l.codecs=l.codecs.filter(function(e){return"rtx"!==e.name}),l.codecs.forEach(function(e){"H264"===e.name&&void 0===e.parameters["level-asymmetry-allowed"]&&(e.parameters["level-asymmetry-allowed"]="1")});var u,d,p=[{ssrc:1001*(2*n+1)}];a&&(u=new RTCRtpSender(a,c.dtlsTransport)),t.wantReceive&&(d=new RTCRtpReceiver(c.dtlsTransport,s)),i[n]={iceGatherer:c.iceGatherer,iceTransport:c.iceTransport,dtlsTransport:c.dtlsTransport,localCapabilities:l,remoteCapabilities:null,rtpSender:u,rtpReceiver:d,kind:s,mid:o,sendEncodingParameters:p,recvEncodingParameters:null}}),this.usingBundle&&(o+="a=group:BUNDLE "+i.map(function(e){return e.mid}).join(" ")+"\r\n"),n.forEach(function(t,n){var a=i[n];o+=r.writeMediaSection(a,a.localCapabilities,"offer",e.localStreams[0])}),this._pendingOffer=i;var c=new RTCSessionDescription({type:"offer",sdp:o});return arguments.length&&"function"==typeof arguments[0]&&window.setTimeout(arguments[0],0,c),Promise.resolve(c)},window.RTCPeerConnection.prototype.createAnswer=function(){var e=this,t=r.writeSessionBoilerplate();this.usingBundle&&(t+="a=group:BUNDLE "+this.transceivers.map(function(e){return e.mid}).join(" ")+"\r\n"),this.transceivers.forEach(function(n){if(n.isDatachannel)return void(t+="m=application 0 DTLS/SCTP 5000\r\nc=IN IP4 0.0.0.0\r\na=mid:"+n.mid+"\r\n");var a=e._getCommonCapabilities(n.localCapabilities,n.remoteCapabilities);t+=r.writeMediaSection(n,a,"answer",e.localStreams[0])});var n=new RTCSessionDescription({type:"answer",sdp:t});return arguments.length&&"function"==typeof arguments[0]&&window.setTimeout(arguments[0],0,n),Promise.resolve(n)},window.RTCPeerConnection.prototype.addIceCandidate=function(e){if(e){var t=e.sdpMLineIndex;if(e.sdpMid)for(var n=0;n<this.transceivers.length;n++)if(this.transceivers[n].mid===e.sdpMid){t=n;break}var a=this.transceivers[t];if(a){var s=Object.keys(e.candidate).length>0?r.parseCandidate(e.candidate):{};if("tcp"===s.protocol&&(0===s.port||9===s.port))return;if("1"!==s.component)return;"endOfCandidates"===s.type&&(s={}),a.iceTransport.addRemoteCandidate(s);var o=r.splitSections(this.remoteDescription.sdp);o[t+1]+=(s.type?e.candidate.trim():"a=end-of-candidates")+"\r\n",this.remoteDescription.sdp=o.join("")}}else this.transceivers.forEach(function(e){e.iceTransport.addRemoteCandidate({})});return arguments.length>1&&"function"==typeof arguments[1]&&window.setTimeout(arguments[1],0),Promise.resolve()},window.RTCPeerConnection.prototype.getStats=function(){var e=[];this.transceivers.forEach(function(t){["rtpSender","rtpReceiver","iceGatherer","iceTransport","dtlsTransport"].forEach(function(n){t[n]&&e.push(t[n].getStats())})});var t=arguments.length>1&&"function"==typeof arguments[1]&&arguments[1];return new Promise(function(n){var r=new Map;Promise.all(e).then(function(e){e.forEach(function(e){Object.keys(e).forEach(function(t){r.set(t,e[t]),r[t]=e[t]})}),t&&window.setTimeout(t,0,r),n(r)})})}}};t.exports={shimPeerConnection:s.shimPeerConnection,shimGetUserMedia:e("./getusermedia")}},{"../utils":"/stanza.io-8.0.2/node_modules/webrtc-adapter/src/js/utils.js","./getusermedia":"/stanza.io-8.0.2/node_modules/webrtc-adapter/src/js/edge/getusermedia.js",sdp:"/stanza.io-8.0.2/node_modules/sdp/sdp.js"}],"/stanza.io-8.0.2/node_modules/webrtc-adapter/src/js/edge/getusermedia.js":[function(e,t,n){arguments[4]["/stanza.io-8.0.2/node_modules/traceablepeerconnection/node_modules/webrtc-adapter/src/js/edge/getusermedia.js"][0].apply(n,arguments)},{}],"/stanza.io-8.0.2/node_modules/webrtc-adapter/src/js/firefox/firefox_shim.js":[function(e,t,n){"use strict";var r=e("../utils").browserDetails,a={shimOnTrack:function(){"object"!=typeof window||!window.RTCPeerConnection||"ontrack"in window.RTCPeerConnection.prototype||Object.defineProperty(window.RTCPeerConnection.prototype,"ontrack",{get:function(){return this._ontrack},set:function(e){this._ontrack&&(this.removeEventListener("track",this._ontrack),this.removeEventListener("addstream",this._ontrackpoly)),this.addEventListener("track",this._ontrack=e),this.addEventListener("addstream",this._ontrackpoly=function(e){e.stream.getTracks().forEach(function(t){var n=new Event("track");n.track=t,n.receiver={track:t},n.streams=[e.stream],this.dispatchEvent(n)}.bind(this))}.bind(this))}})},shimSourceObject:function(){"object"==typeof window&&(!window.HTMLMediaElement||"srcObject"in window.HTMLMediaElement.prototype||Object.defineProperty(window.HTMLMediaElement.prototype,"srcObject",{get:function(){return this.mozSrcObject},set:function(e){this.mozSrcObject=e}}))},shimPeerConnection:function(){if("object"==typeof window&&(window.RTCPeerConnection||window.mozRTCPeerConnection)){window.RTCPeerConnection||(window.RTCPeerConnection=function(e,t){if(r.version<38&&e&&e.iceServers){for(var n=[],a=0;a<e.iceServers.length;a++){var s=e.iceServers[a];if(s.hasOwnProperty("urls"))for(var o=0;o<s.urls.length;o++){var i={url:s.urls[o]};0===s.urls[o].indexOf("turn")&&(i.username=s.username,i.credential=s.credential),n.push(i)}else n.push(e.iceServers[a])}e.iceServers=n}return new mozRTCPeerConnection(e,t)},window.RTCPeerConnection.prototype=mozRTCPeerConnection.prototype,mozRTCPeerConnection.generateCertificate&&Object.defineProperty(window.RTCPeerConnection,"generateCertificate",{get:function(){return mozRTCPeerConnection.generateCertificate}}),window.RTCSessionDescription=mozRTCSessionDescription,window.RTCIceCandidate=mozRTCIceCandidate),["setLocalDescription","setRemoteDescription","addIceCandidate"].forEach(function(e){var t=RTCPeerConnection.prototype[e];RTCPeerConnection.prototype[e]=function(){return arguments[0]=new("addIceCandidate"===e?RTCIceCandidate:RTCSessionDescription)(arguments[0]),t.apply(this,arguments)}});var e=RTCPeerConnection.prototype.addIceCandidate;if(RTCPeerConnection.prototype.addIceCandidate=function(){return arguments[0]?e.apply(this,arguments):(arguments[1]&&arguments[1].apply(null),Promise.resolve())},r.version<48){var t=function(e){var t=new Map;return Object.keys(e).forEach(function(n){t.set(n,e[n]),t[n]=e[n]}),t},n=RTCPeerConnection.prototype.getStats;RTCPeerConnection.prototype.getStats=function(e,r,a){return n.apply(this,[e||null]).then(function(e){return t(e)}).then(r,a)}}}}};t.exports={shimOnTrack:a.shimOnTrack,shimSourceObject:a.shimSourceObject,shimPeerConnection:a.shimPeerConnection,shimGetUserMedia:e("./getusermedia")}},{"../utils":"/stanza.io-8.0.2/node_modules/webrtc-adapter/src/js/utils.js","./getusermedia":"/stanza.io-8.0.2/node_modules/webrtc-adapter/src/js/firefox/getusermedia.js"}],"/stanza.io-8.0.2/node_modules/webrtc-adapter/src/js/firefox/getusermedia.js":[function(e,t,n){"use strict";var r=e("../utils").log,a=e("../utils").browserDetails;t.exports=function(){var e=function(e){return{name:{SecurityError:"NotAllowedError",PermissionDeniedError:"NotAllowedError"}[e.name]||e.name,message:{"The operation is insecure.":"The request is not allowed by the user agent or the platform in the current context."}[e.message]||e.message,constraint:e.constraint,toString:function(){return this.name+(this.message&&": ")+this.message}}},t=function(t,n,s){var o=function(e){if("object"!=typeof e||e.require)return e;
var t=[];return Object.keys(e).forEach(function(n){if("require"!==n&&"advanced"!==n&&"mediaSource"!==n){var r=e[n]="object"==typeof e[n]?e[n]:{ideal:e[n]};if(void 0===r.min&&void 0===r.max&&void 0===r.exact||t.push(n),void 0!==r.exact&&("number"==typeof r.exact?r.min=r.max=r.exact:e[n]=r.exact,delete r.exact),void 0!==r.ideal){e.advanced=e.advanced||[];var a={};"number"==typeof r.ideal?a[n]={min:r.ideal,max:r.ideal}:a[n]=r.ideal,e.advanced.push(a),delete r.ideal,Object.keys(r).length||delete e[n]}}}),t.length&&(e.require=t),e};return t=JSON.parse(JSON.stringify(t)),a.version<38&&(r("spec: "+JSON.stringify(t)),t.audio&&(t.audio=o(t.audio)),t.video&&(t.video=o(t.video)),r("ff37: "+JSON.stringify(t))),navigator.mozGetUserMedia(t,n,function(t){s(e(t))})},n=function(e){return new Promise(function(n,r){t(e,n,r)})};if(navigator.mediaDevices||(navigator.mediaDevices={getUserMedia:n,addEventListener:function(){},removeEventListener:function(){}}),navigator.mediaDevices.enumerateDevices=navigator.mediaDevices.enumerateDevices||function(){return new Promise(function(e){var t=[{kind:"audioinput",deviceId:"default",label:"",groupId:""},{kind:"videoinput",deviceId:"default",label:"",groupId:""}];e(t)})},a.version<41){var s=navigator.mediaDevices.enumerateDevices.bind(navigator.mediaDevices);navigator.mediaDevices.enumerateDevices=function(){return s().then(void 0,function(e){if("NotFoundError"===e.name)return[];throw e})}}if(a.version<49){var o=navigator.mediaDevices.getUserMedia.bind(navigator.mediaDevices);navigator.mediaDevices.getUserMedia=function(t){return o(t).then(function(e){if(t.audio&&!e.getAudioTracks().length||t.video&&!e.getVideoTracks().length)throw e.getTracks().forEach(function(e){e.stop()}),new DOMException("The object can not be found here.","NotFoundError");return e},function(t){return Promise.reject(e(t))})}}navigator.getUserMedia=function(e,n,r){return a.version<44?t(e,n,r):(console.warn("navigator.getUserMedia has been replaced by navigator.mediaDevices.getUserMedia"),void navigator.mediaDevices.getUserMedia(e).then(n,r))}}},{"../utils":"/stanza.io-8.0.2/node_modules/webrtc-adapter/src/js/utils.js"}],"/stanza.io-8.0.2/node_modules/webrtc-adapter/src/js/safari/safari_shim.js":[function(e,t,n){"use strict";var r={shimGetUserMedia:function(){navigator.getUserMedia=navigator.webkitGetUserMedia}};t.exports={shimGetUserMedia:r.shimGetUserMedia}},{}],"/stanza.io-8.0.2/node_modules/webrtc-adapter/src/js/utils.js":[function(e,t,n){"use strict";var r=!0,a={disableLog:function(e){return"boolean"!=typeof e?new Error("Argument type: "+typeof e+". Please use a boolean."):(r=e,e?"adapter.js logging disabled":"adapter.js logging enabled")},log:function(){if("object"==typeof window){if(r)return;"undefined"!=typeof console&&"function"==typeof console.log&&console.log.apply(console,arguments)}},extractVersion:function(e,t,n){var r=e.match(t);return r&&r.length>=n&&parseInt(r[n],10)},detectBrowser:function(){var e={};if(e.browser=null,e.version=null,"undefined"==typeof window||!window.navigator)return e.browser="Not a browser.",e;if(navigator.mozGetUserMedia)e.browser="firefox",e.version=this.extractVersion(navigator.userAgent,/Firefox\/([0-9]+)\./,1);else if(navigator.webkitGetUserMedia)if(window.webkitRTCPeerConnection)e.browser="chrome",e.version=this.extractVersion(navigator.userAgent,/Chrom(e|ium)\/([0-9]+)\./,2);else{if(!navigator.userAgent.match(/Version\/(\d+).(\d+)/))return e.browser="Unsupported webkit-based browser with GUM support but no WebRTC support.",e;e.browser="safari",e.version=this.extractVersion(navigator.userAgent,/AppleWebKit\/([0-9]+)\./,1)}else{if(!navigator.mediaDevices||!navigator.userAgent.match(/Edge\/(\d+).(\d+)$/))return e.browser="Not a supported browser.",e;e.browser="edge",e.version=this.extractVersion(navigator.userAgent,/Edge\/(\d+).(\d+)$/,2)}return e}};t.exports={log:a.log,disableLog:a.disableLog,browserDetails:a.detectBrowser(),extractVersion:a.extractVersion}},{}],"/stanza.io-8.0.2/node_modules/webrtcsupport/index-browser.js":[function(e,t,n){var r,a;window.mozRTCPeerConnection||navigator.mozGetUserMedia?(r="moz",a=parseInt(navigator.userAgent.match(/Firefox\/([0-9]+)\./)[1],10)):(window.webkitRTCPeerConnection||navigator.webkitGetUserMedia)&&(r="webkit",a=navigator.userAgent.match(/Chrom(e|ium)/)&&parseInt(navigator.userAgent.match(/Chrom(e|ium)\/([0-9]+)\./)[2],10));var 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ne",DATAFORM_VALIDATION:"http://jabber.org/protocol/xdata-validate",BOSH:"http://jabber.org/protocol/httpbind",SHIM:"http://jabber.org/protocol/shim",COMPRESSION:"http://jabber.org/features/compress",DATAFORM_LAYOUT:"http://jabber.org/protocol/xdata-layout",ROSTER_EXCHANGE:"http://jabber.org/protocol/rosterx",ROSTER_NOTES:"storage:rosternotes",REACH_0:"urn:xmpp:reach:0",VCARD_TEMP_UPDATE:"vcard-temp:x:update",CAPTCHA:"urn:xmpp:captcha",JINGLE_1:"urn:xmpp:jingle:1",JINGLE_ERRORS_1:"urn:xmpp:jingle:errors:1",JINGLE_RTP_1:"urn:xmpp:jingle:apps:rtp:1",JINGLE_RTP_ERRORS_1:"urn:xmpp:jingle:apps:rtp:errors:1",JINGLE_RTP_INFO_1:"urn:xmpp:jingle:apps:rtp:info:1",LANG_TRANS:"urn:xmpp:langtrans",LANG_TRANS_ITEMS:"urn:xmpp:langtrans:items",NICK:"http://jabber.org/protocol/nick",JINGLE_ICE_UDP_1:"urn:xmpp:jingle:transports:ice-udp:1",JINGLE_RAW_UDP_1:"urn:xmpp:jingle:transports:raw-udp:1",RECEIPTS:"urn:xmpp:receipts",INVISIBLE_0:"urn:xmpp:invisible:0",BLOCKING:"urn:xmpp:blocking",SMACKS_3:"urn:xmpp:sm:3",PING:"urn:xmpp:ping",TIME:"urn:xmpp:time",DELAY:"urn:xmpp:delay",BOSH_XMPP:"urn:xmpp:xbosh",DISCO_EXTERNAL_1:"urn:xmpp:extdisco:1",DATAFORM_MEDIA:"urn:xmpp:media-element",ATTENTION_0:"urn:xmpp:attention:0",BOB:"urn:xmpp:bob",FILE_TRANSFER_3:"urn:xmpp:jingle:apps:file-transfer:3",FILE_TRANSFER_4:"urn:xmpp:jingle:apps:file-transfer:4",MUC_DIRECT_INVITE:"jabber:x:conference",SEC_LABEL_0:"urn:xmpp:sec-label:0",SEC_LABEL_CATALOG_2:"urn:xmpp:sec-label:catalog:2",SEC_LABEL_ESS_0:"urn:xmpp:sec-label:ess:0",JINGLE_SOCKS5_1:"urn:xmpp:jingle:transports:s5b:1",JINGLE_IBB_1:"urn:xmpp:jingle:transports:ibb:1",JINGLE_RTP_ZRTP_1:"urn:xmpp:jingle:apps:rtp:zrtp:1",THUMBS_0:"urn:xmpp:thumbs:0",THUMBS_1:"urn:xmpp:thumbs:1",DECLOAKING_0:"urn:xmpp:decloaking:0",CARBONS_2:"urn:xmpp:carbons:2",JINGLE_RTP_RTCP_FB_0:"urn:xmpp:jingle:apps:rtp:rtcp-fb:0",JINGLE_RTP_HDREXT_0:"urn:xmpp:jingle:apps:rtp:rtp-hdrext:0",FORWARD_0:"urn:xmpp:forward:0",HASHES_1:"urn:xmpp:hashes:1",RTT_0:"urn:xmpp:rtt:0",MUC_UNIQUE:"http://jabber.org/protocol/muc#unique",CORRECTION_0:"urn:xmpp:message-correct:0",PSA:"urn:xmpp:psa",MAM_TMP:"urn:xmpp:mam:tmp",MAM_0:"urn:xmpp:mam:0",HATS_0:"urn:xmpp:hats:0",IDLE_1:"urn:xmpp:idle:1",JINGLE_DTLS_0:"urn:xmpp:jingle:apps:dtls:0",JID_PREP_0:"urn:xmpp:jidprep:0",HINTS:"urn:xmpp:hints",JSON_0:"urn:xmpp:json:0",EVENTLOG:"urn:xmpp:eventlog",JINGLE_GROUPING_0:"urn:xmpp:jingle:apps:grouping:0",JINGLE_RTP_SSMA_0:"urn:xmpp:jingle:apps:rtp:ssma:0",COLIBRI:"http://jitsi.org/protocol/colibri",DTLS_SCTP_1:"urn:xmpp:jingle:transports:dtls-sctp:1",CSI:"urn:xmpp:csi",JINGLE_MSG_INITIATE_0:"urn:xmpp:jingle:jingle-message:0",PUSH_0:"urn:xmpp:push:0",JINGLE_PUB_1:"urn:xmpp:jinglepub:1"}},{}],"/stanza.io-8.0.2/node_modules/xmpp-constants/lib/presence.js":[function(e,t,n){t.exports={Type:{SUBSCRIBE:"subscribe",SUBSCRIBED:"subscribed",UNSUBSCRIBE:"unsubscribe",UNSUBSCRIBED:"unsubscribed",PROBE:"probe",UNAVAILABLE:"unavailable"},Show:{CHAT:"chat",AWAY:"away",DO_NOT_DISTURB:"dnd",EXTENDED_AWAY:"xa"}}},{}],"/stanza.io-8.0.2/node_modules/xmpp-constants/lib/pubsub.js":[function(e,t,n){t.exports={Affiliation:{MEMBER:"member",NONE:"none",OUTCAST:"outcast",OWNER:"owner",PUBLISHER:"publisher",PUBLISH_ONLY:"publish-only"},Subscription:{NONE:"none",PENDING:"pending",UNCONFIGURED:"unconfigured",SUBSCRIBED:"subscribed"},AccessModel:{OPEN:"open",PRESENCE:"presence",ROSTER:"roster",AUTHORIZE:"authorize",WHITELIST:"whitelist"},Condition:{CONFLICT:"conflict"}}},{}],"/stanza.io-8.0.2/node_modules/xmpp-jid/index.js":[function(e,t,n){"use 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