/* * JsSIP v3.1.4 * the Javascript SIP library * Copyright: 2012-2017 José Luis Millán (https://github.com/jmillan) * Homepage: http://jssip.net * License: MIT */ !function(e){if("object"==typeof exports&&"undefined"!=typeof module)module.exports=e();else if("function"==typeof define&&define.amd)define([],e);else{("undefined"!=typeof window?window:"undefined"!=typeof global?global:"undefined"!=typeof self?self:this).JsSIP=e()}}(function(){return function e(t,n,r){function i(o,a){if(!n[o]){if(!t[o]){var l="function"==typeof require&&require;if(!a&&l)return l(o,!0);if(s)return s(o,!0);var u=new Error("Cannot find module '"+o+"'");throw u.code="MODULE_NOT_FOUND",u}var c=n[o]={exports:{}};t[o][0].call(c.exports,function(e){var n=t[o][1][e];return i(n||e)},c,c.exports,e,t,n,r)}return n[o].exports}for(var s="function"==typeof require&&require,o=0;o0)return t}},connection_recovery_min_interval:function(e){if(r.isDecimal(e)){var t=Number(e);if(t>0)return t}},contact_uri:function(e){if("string"==typeof e){var t=s.parse(e,"SIP_URI");if(-1!==t)return t}},display_name:function(e){return-1===s.parse('"'+e+'"',"display_name")?void 0:e},instance_id:function(e){return/^uuid:/i.test(e)&&(e=e.substr(5)),-1===s.parse(e,"uuid")?void 0:e},no_answer_timeout:function(e){if(r.isDecimal(e)){var t=Number(e);if(t>0)return t}},session_timers:function(e){if("boolean"==typeof e)return e},session_timers_refresh_method:function(e){if("string"==typeof e&&((e=e.toUpperCase())===i.INVITE||e===i.UPDATE))return e},password:function(e){return String(e)},realm:function(e){return String(e)},ha1:function(e){return String(e)},register:function(e){if("boolean"==typeof e)return e},register_expires:function(e){if(r.isDecimal(e)){var t=Number(e);if(t>0)return t}},registrar_server:function(e){/^sip:/i.test(e)||(e=i.SIP+":"+e);var t=o.parse(e);return t?t.user?void 0:t:void 0},use_preloaded_route:function(e){if("boolean"==typeof e)return e}}};n.load=function(e,t){for(var n in u.mandatory){if(!t.hasOwnProperty(n))throw new l.ConfigurationError(n);var i=t[n],s=u.mandatory[n](i);if(void 0===s)throw new l.ConfigurationError(n,i);e[n]=s}for(var o in u.optional)if(t.hasOwnProperty(o)){var a=t[o];if(r.isEmpty(a))continue;var c=u.optional[o](a);if(void 0===c)throw new l.ConfigurationError(o,a);e[o]=c}}},{"./Constants":2,"./Exceptions":6,"./Grammar":7,"./Socket":20,"./URI":25,"./Utils":26}],2:[function(e,t,n){"use strict";var r=e("../package.json");t.exports={USER_AGENT:r.title+" "+r.version,SIP:"sip",SIPS:"sips",causes:{CONNECTION_ERROR:"Connection Error",REQUEST_TIMEOUT:"Request Timeout",SIP_FAILURE_CODE:"SIP Failure Code",INTERNAL_ERROR:"Internal Error",BUSY:"Busy",REJECTED:"Rejected",REDIRECTED:"Redirected",UNAVAILABLE:"Unavailable",NOT_FOUND:"Not Found",ADDRESS_INCOMPLETE:"Address Incomplete",INCOMPATIBLE_SDP:"Incompatible SDP",MISSING_SDP:"Missing SDP",AUTHENTICATION_ERROR:"Authentication Error",BYE:"Terminated",WEBRTC_ERROR:"WebRTC Error",CANCELED:"Canceled",NO_ANSWER:"No Answer",EXPIRES:"Expires",NO_ACK:"No ACK",DIALOG_ERROR:"Dialog Error",USER_DENIED_MEDIA_ACCESS:"User Denied Media Access",BAD_MEDIA_DESCRIPTION:"Bad Media Description",RTP_TIMEOUT:"RTP Timeout"},SIP_ERROR_CAUSES:{REDIRECTED:[300,301,302,305,380],BUSY:[486,600],REJECTED:[403,603],NOT_FOUND:[404,604],UNAVAILABLE:[480,410,408,430],ADDRESS_INCOMPLETE:[484,424],INCOMPATIBLE_SDP:[488,606],AUTHENTICATION_ERROR:[401,407]},ACK:"ACK",BYE:"BYE",CANCEL:"CANCEL",INFO:"INFO",INVITE:"INVITE",MESSAGE:"MESSAGE",NOTIFY:"NOTIFY",OPTIONS:"OPTIONS",REGISTER:"REGISTER",REFER:"REFER",UPDATE:"UPDATE",SUBSCRIBE:"SUBSCRIBE",REASON_PHRASE:{100:"Trying",180:"Ringing",181:"Call Is Being Forwarded",182:"Queued",183:"Session Progress",199:"Early Dialog Terminated",200:"OK",202:"Accepted",204:"No Notification",300:"Multiple Choices",301:"Moved Permanently",302:"Moved Temporarily",305:"Use Proxy",380:"Alternative Service",400:"Bad Request",401:"Unauthorized",402:"Payment Required",403:"Forbidden",404:"Not Found",405:"Method Not Allowed",406:"Not Acceptable",407:"Proxy Authentication Required",408:"Request Timeout",410:"Gone",412:"Conditional Request Failed",413:"Request Entity Too Large",414:"Request-URI Too Long",415:"Unsupported Media Type",416:"Unsupported URI Scheme",417:"Unknown Resource-Priority",420:"Bad Extension",421:"Extension Required",422:"Session Interval Too Small",423:"Interval Too Brief",424:"Bad Location Information",428:"Use Identity Header",429:"Provide Referrer Identity",430:"Flow Failed",433:"Anonymity Disallowed",436:"Bad Identity-Info",437:"Unsupported Certificate",438:"Invalid Identity Header",439:"First Hop Lacks Outbound Support",440:"Max-Breadth Exceeded",469:"Bad Info Package",470:"Consent Needed",478:"Unresolvable Destination",480:"Temporarily Unavailable",481:"Call/Transaction Does Not Exist",482:"Loop Detected",483:"Too Many Hops",484:"Address Incomplete",485:"Ambiguous",486:"Busy Here",487:"Request Terminated",488:"Not Acceptable Here",489:"Bad Event",491:"Request Pending",493:"Undecipherable",494:"Security Agreement Required",500:"JsSIP Internal Error",501:"Not Implemented",502:"Bad Gateway",503:"Service Unavailable",504:"Server Time-out",505:"Version Not Supported",513:"Message Too Large",580:"Precondition Failure",600:"Busy Everywhere",603:"Decline",604:"Does Not Exist Anywhere",606:"Not Acceptable"},ALLOWED_METHODS:"INVITE,ACK,CANCEL,BYE,UPDATE,MESSAGE,OPTIONS,REFER,INFO",ACCEPTED_BODY_TYPES:"application/sdp, application/dtmf-relay",MAX_FORWARDS:69,SESSION_EXPIRES:90,MIN_SESSION_EXPIRES:60}},{"../package.json":51}],3:[function(e,t,n){"use strict";var r=function(){function e(e,t){for(var n=0;n3&&void 0!==arguments[3]?arguments[3]:c.STATUS_CONFIRMED;if(function(e,t){if(!(e instanceof t))throw new TypeError("Cannot call a class as a function")}(this,e),this._owner=t,this._ua=t._ua,this._uac_pending_reply=!1,this._uas_pending_reply=!1,!n.hasHeader("contact"))return{error:"unable to create a Dialog without Contact header field"};n instanceof i.IncomingResponse&&(s=n.status_code<200?c.STATUS_EARLY:c.STATUS_CONFIRMED);var o=n.parseHeader("contact");"UAS"===r?(this._id={call_id:n.call_id,local_tag:n.to_tag,remote_tag:n.from_tag,toString:function(){return this.call_id+this.local_tag+this.remote_tag}},this._state=s,this._remote_seqnum=n.cseq,this._local_uri=n.parseHeader("to").uri,this._remote_uri=n.parseHeader("from").uri,this._remote_target=o.uri,this._route_set=n.getHeaders("record-route"),this._ack_seqnum=this._remote_seqnum):"UAC"===r&&(this._id={call_id:n.call_id,local_tag:n.from_tag,remote_tag:n.to_tag,toString:function(){return this.call_id+this.local_tag+this.remote_tag}},this._state=s,this._local_seqnum=n.cseq,this._local_uri=n.parseHeader("from").uri,this._remote_uri=n.parseHeader("to").uri,this._remote_target=o.uri,this._route_set=n.getHeaders("record-route").reverse(),this._ack_seqnum=null),this._ua.newDialog(this),u("new "+r+" dialog created with status "+(this._state===c.STATUS_EARLY?"EARLY":"CONFIRMED"))}return r(e,null,[{key:"C",get:function(){return c}}]),r(e,[{key:"update",value:function(e,t){this._state=c.STATUS_CONFIRMED,u("dialog "+this._id.toString()+" changed to CONFIRMED state"),"UAC"===t&&(this._route_set=e.getHeaders("record-route").reverse())}},{key:"terminate",value:function(){u("dialog "+this._id.toString()+" deleted"),this._ua.destroyDialog(this)}},{key:"sendRequest",value:function(e){var t=this,n=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{},r=l.cloneArray(n.extraHeaders),i=n.eventHandlers||{},s=n.body||null,o=this._createRequest(e,r,s);i.onAuthenticated=function(){t._local_seqnum+=1};return new a(this,o,i).send(),o}},{key:"receiveRequest",value:function(e){this._checkInDialogRequest(e)&&(e.method===s.ACK&&null!==this._ack_seqnum?this._ack_seqnum=null:e.method===s.INVITE&&(this._ack_seqnum=e.cseq),this._owner.receiveRequest(e))}},{key:"_createRequest",value:function(e,t,n){t=l.cloneArray(t),this._local_seqnum||(this._local_seqnum=Math.floor(1e4*Math.random()));var r=e===s.CANCEL||e===s.ACK?this._local_seqnum:this._local_seqnum+=1;return new i.OutgoingRequest(e,this._remote_target,this._ua,{cseq:r,call_id:this._id.call_id,from_uri:this._local_uri,from_tag:this._id.local_tag,to_uri:this._remote_uri,to_tag:this._id.remote_tag,route_set:this._route_set},t,n)}},{key:"_checkInDialogRequest",value:function(e){var t=this;if(this._remote_seqnum)if(e.cseqthis._remote_seqnum&&(this._remote_seqnum=e.cseq);else this._remote_seqnum=e.cseq;if(e.method===s.INVITE||e.method===s.UPDATE&&e.body){if(!0===this._uac_pending_reply)e.reply(491);else{if(!0===this._uas_pending_reply){var n=1+(10*Math.random()|0);return e.reply(500,null,["Retry-After:"+n]),!1}this._uas_pending_reply=!0;e.server_transaction.on("stateChanged",function n(){e.server_transaction.state!==o.C.STATUS_ACCEPTED&&e.server_transaction.state!==o.C.STATUS_COMPLETED&&e.server_transaction.state!==o.C.STATUS_TERMINATED||(e.server_transaction.removeListener("stateChanged",n),t._uas_pending_reply=!1)})}e.hasHeader("contact")&&e.server_transaction.on("stateChanged",function(){e.server_transaction.state===o.C.STATUS_ACCEPTED&&(t._remote_target=e.parseHeader("contact").uri)})}else e.method===s.NOTIFY&&e.hasHeader("contact")&&e.server_transaction.on("stateChanged",function(){e.server_transaction.state===o.C.STATUS_COMPLETED&&(t._remote_target=e.parseHeader("contact").uri)});return!0}},{key:"id",get:function(){return this._id}},{key:"local_seqnum",get:function(){return this._local_seqnum},set:function(e){this._local_seqnum=e}},{key:"owner",get:function(){return this._owner}},{key:"uac_pending_reply",get:function(){return this._uac_pending_reply},set:function(e){this._uac_pending_reply=e}},{key:"uas_pending_reply",get:function(){return this._uas_pending_reply}}]),e}()},{"./Constants":2,"./Dialog/RequestSender":4,"./SIPMessage":19,"./Transactions":22,"./Utils":26,debug:29}],4:[function(e,t,n){"use strict";var r=function(){function e(e,t){for(var n=0;n=200&&e.status_code<300?this._eventHandlers.onSuccessResponse(e):e.status_code>=300&&this._eventHandlers.onErrorResponse(e):(this._request.cseq.value=this._dialog.local_seqnum+=1,this._reattemptTimer=setTimeout(function(){t._dialog.owner.status!==o.C.STATUS_TERMINATED&&(t._reattempt=!0,t._request_sender.send())},1e3)):e.status_code>=200&&e.status_code<300?this._eventHandlers.onSuccessResponse(e):e.status_code>=300&&this._eventHandlers.onErrorResponse(e)}},{key:"request",get:function(){return this._request}}]),e}()},{"../Constants":2,"../RTCSession":12,"../RequestSender":18,"../Transactions":22}],5:[function(e,t,n){"use strict";var r=function(){function e(e,t){for(var n=0;n2&&void 0!==arguments[2]?arguments[2]:null;if(this._algorithm=t.algorithm,this._realm=t.realm,this._nonce=t.nonce,this._opaque=t.opaque,this._stale=t.stale,this._algorithm){if("MD5"!==this._algorithm)return o('authenticate() | challenge with Digest algorithm different than "MD5", authentication aborted'),!1}else this._algorithm="MD5";if(!this._nonce)return o("authenticate() | challenge without Digest nonce, authentication aborted"),!1;if(!this._realm)return o("authenticate() | challenge without Digest realm, authentication aborted"),!1;if(!this._credentials.password){if(!this._credentials.ha1)return o("authenticate() | no plain SIP password nor ha1 provided, authentication aborted"),!1;if(this._credentials.realm!==this._realm)return o('authenticate() | no plain SIP password, and stored `realm` does not match the given `realm`, cannot authenticate [stored:"%s", given:"%s"]',this._credentials.realm,this._realm),!1}if(t.qop)if(t.qop.indexOf("auth-int")>-1)this._qop="auth-int";else{if(!(t.qop.indexOf("auth")>-1))return o('authenticate() | challenge without Digest qop different than "auth" or "auth-int", authentication aborted'),!1;this._qop="auth"}else this._qop=null;this._method=n,this._uri=r,this._cnonce=l||i.createRandomToken(12),this._nc+=1;var u=Number(this._nc).toString(16);this._ncHex="00000000".substr(0,8-u.length)+u,4294967296===this._nc&&(this._nc=1,this._ncHex="00000001"),this._credentials.password?this._ha1=i.calculateMD5(this._credentials.username+":"+this._realm+":"+this._credentials.password):this._ha1=this._credentials.ha1;var c=void 0;return"auth"===this._qop?(c=i.calculateMD5(this._method+":"+this._uri),this._response=i.calculateMD5(this._ha1+":"+this._nonce+":"+this._ncHex+":"+this._cnonce+":auth:"+c)):"auth-int"===this._qop?(c=i.calculateMD5(this._method+":"+this._uri+":"+i.calculateMD5(a||"")),this._response=i.calculateMD5(this._ha1+":"+this._nonce+":"+this._ncHex+":"+this._cnonce+":auth-int:"+c)):null===this._qop&&(c=i.calculateMD5(this._method+":"+this._uri),this._response=i.calculateMD5(this._ha1+":"+this._nonce+":"+c)),s("authenticate() | response generated"),!0}},{key:"toString",value:function(){var e=[];if(!this._response)throw new Error("response field does not exist, cannot generate Authorization header");return e.push("algorithm="+this._algorithm),e.push('username="'+this._credentials.username+'"'),e.push('realm="'+this._realm+'"'),e.push('nonce="'+this._nonce+'"'),e.push('uri="'+this._uri+'"'),e.push('response="'+this._response+'"'),this._opaque&&e.push('opaque="'+this._opaque+'"'),this._qop&&(e.push("qop="+this._qop),e.push('cnonce="'+this._cnonce+'"'),e.push("nc="+this._ncHex)),"Digest "+e.join(", ")}}]),e}()},{"./Utils":26,debug:29}],6:[function(e,t,n){"use strict";function r(e,t){if(!(e instanceof t))throw new TypeError("Cannot call a class as a function")}function i(e,t){if(!e)throw new ReferenceError("this hasn't been initialised - super() hasn't been called");return!t||"object"!=typeof t&&"function"!=typeof t?e:t}function s(e,t){if("function"!=typeof t&&null!==t)throw new TypeError("Super expression must either be null or a function, not "+typeof 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40===n.charCodeAt(Un)?(e="(",Un++):(e=null,0===Mn&&i('"("')),null===e&&(41===n.charCodeAt(Un)?(e=")",Un++):(e=null,0===Mn&&i('")"')),null===e&&(60===n.charCodeAt(Un)?(e="<",Un++):(e=null,0===Mn&&i('"<"')),null===e&&(62===n.charCodeAt(Un)?(e=">",Un++):(e=null,0===Mn&&i('">"')),null===e&&(64===n.charCodeAt(Un)?(e="@",Un++):(e=null,0===Mn&&i('"@"')),null===e&&(44===n.charCodeAt(Un)?(e=",",Un++):(e=null,0===Mn&&i('","')),null===e&&(59===n.charCodeAt(Un)?(e=";",Un++):(e=null,0===Mn&&i('";"')),null===e&&(58===n.charCodeAt(Un)?(e=":",Un++):(e=null,0===Mn&&i('":"')),null===e&&(92===n.charCodeAt(Un)?(e="\\",Un++):(e=null,0===Mn&&i('"\\\\"')),null===e&&null===(e=d())&&(47===n.charCodeAt(Un)?(e="/",Un++):(e=null,0===Mn&&i('"/"')),null===e&&(91===n.charCodeAt(Un)?(e="[",Un++):(e=null,0===Mn&&i('"["')),null===e&&(93===n.charCodeAt(Un)?(e="]",Un++):(e=null,0===Mn&&i('"]"')),null===e&&(63===n.charCodeAt(Un)?(e="?",Un++):(e=null,0===Mn&&i('"?"')),null===e&&(61===n.charCodeAt(Un)?(e="=",Un++):(e=null,0===Mn&&i('"="')),null===e&&(123===n.charCodeAt(Un)?(e="{",Un++):(e=null,0===Mn&&i('"{"')),null===e&&(125===n.charCodeAt(Un)?(e="}",Un++):(e=null,0===Mn&&i('"}"')),null===e&&null===(e=h())&&(e=f())))))))))))))))),e},word:I,STAR:k,SLASH:P,EQUAL:O,LPAREN:x,RPAREN:N,RAQUOT:D,LAQUOT:U,COMMA:M,SEMI:L,COLON:q,LDQUOT:H,RDQUOT:F,comment:j,ctext:G,quoted_string:B,quoted_string_clean:W,qdtext:V,quoted_pair:J,SIP_URI_noparams:K,SIP_URI:z,uri_scheme:Y,uri_scheme_sips:$,uri_scheme_sip:X,userinfo:Q,user:Z,user_unreserved:ee,password:te,hostport:ne,host:re,hostname:ie,domainlabel:se,toplabel:oe,IPv6reference:ae,IPv6address:le,h16:ue,ls32:ce,IPv4address:de,dec_octet:he,port:fe,uri_parameters:pe,uri_parameter:_e,transport_param:me,user_param:ve,method_param:ge,ttl_param:ye,maddr_param:Te,lr_param:Ce,other_param:Se,pname:Ee,pvalue:be,paramchar:Re,param_unreserved:Ae,headers:we,header:Ie,hname:ke,hvalue:Pe,hnv_unreserved:Oe,Request_Response:function(){var e;return null===(e=at())&&(e=xe()),e},Request_Line:xe,Request_URI:Ne,absoluteURI:De,hier_part:Ue,net_path:Me,abs_path:Le,opaque_part:qe,uric:He,uric_no_slash:Fe,path_segments:je,segment:Ge,param:Be,pchar:We,scheme:Ve,authority:Je,srvr:Ke,reg_name:ze,query:Ye,SIP_Version:$e,INVITEm:Xe,ACKm:Qe,OPTIONSm:Ze,BYEm:et,CANCELm:tt,REGISTERm:nt,SUBSCRIBEm:rt,NOTIFYm:it,REFERm:st,Method:ot,Status_Line:at,Status_Code:lt,extension_code:ut,Reason_Phrase:ct,Allow_Events:function(){var e,t,n,r,i,s;if(i=Un,null!==(e=Dt())){for(t=[],s=Un,null!==(n=M())&&null!==(r=Dt())?n=[n,r]:(n=null,Un=s);null!==n;)t.push(n),s=Un,null!==(n=M())&&null!==(r=Dt())?n=[n,r]:(n=null,Un=s);null!==t?e=[e,t]:(e=null,Un=i)}else e=null,Un=i;return e},Call_ID:function(){var e,t,r,s,o,a;return s=Un,o=Un,null!==(e=I())?(a=Un,64===n.charCodeAt(Un)?(t="@",Un++):(t=null,0===Mn&&i('"@"')),null!==t&&null!==(r=I())?t=[t,r]:(t=null,Un=a),null!==(t=null!==t?t:"")?e=[e,t]:(e=null,Un=o)):(e=null,Un=o),null!==e&&(e=function(e){jn=n.substring(Un,e)}(s)),null===e&&(Un=s),e},Contact:function(){var e,t,n,r,i,s,o;if(i=Un,null===(e=k()))if(s=Un,null!==(e=dt())){for(t=[],o=Un,null!==(n=M())&&null!==(r=dt())?n=[n,r]:(n=null,Un=o);null!==n;)t.push(n),o=Un,null!==(n=M())&&null!==(r=dt())?n=[n,r]:(n=null,Un=o);null!==t?e=[e,t]:(e=null,Un=s)}else e=null,Un=s;return null!==e&&(e=function(e){var t,n;for(n=jn.multi_header.length,t=0;t2&&void 0!==arguments[2]?arguments[2]:{},i=e;if(void 0===e||void 0===t)throw new TypeError("Not enough arguments");if(!(e=this._ua.normalizeTarget(e)))throw new TypeError("Invalid target: "+i);var u=a.cloneArray(r.extraHeaders),c=r.eventHandlers||{},d=r.contentType||"text/plain";for(var h in c)Object.prototype.hasOwnProperty.call(c,h)&&this.on(h,c[h]);u.push("Content-Type: "+d),this._request=new o.OutgoingRequest(s.MESSAGE,e,this._ua,null,u),t&&(this._request.body=t);var f=new l(this._ua,this._request,{onRequestTimeout:function(){n._onRequestTimeout()},onTransportError:function(){n._onTransportError()},onReceiveResponse:function(e){n._receiveResponse(e)}});this._newMessage("local",this._request),f.send()}},{key:"init_incoming",value:function(e){this._request=e,this._newMessage("remote",e),this._is_replied||(this._is_replied=!0,e.reply(200)),this._close()}},{key:"accept",value:function(){var e=arguments.length>0&&void 0!==arguments[0]?arguments[0]:{},t=a.cloneArray(e.extraHeaders),n=e.body;if("incoming"!==this._direction)throw new u.NotSupportedError('"accept" not supported for outgoing Message');if(this._is_replied)throw new Error("incoming Message already replied");this._is_replied=!0,this._request.reply(200,null,t,n)}},{key:"reject",value:function(){var e=arguments.length>0&&void 0!==arguments[0]?arguments[0]:{},t=e.status_code||480,n=e.reason_phrase,r=a.cloneArray(e.extraHeaders),i=e.body;if("incoming"!==this._direction)throw new u.NotSupportedError('"reject" not supported for outgoing Message');if(this._is_replied)throw new Error("incoming Message already replied");if(t<300||t>=700)throw new TypeError("Invalid status_code: "+t);this._is_replied=!0,this._request.reply(t,n,r,i)}},{key:"_receiveResponse",value:function(e){if(!this._closed)switch(!0){case/^1[0-9]{2}$/.test(e.status_code):break;case/^2[0-9]{2}$/.test(e.status_code):this._succeeded("remote",e);break;default:var t=a.sipErrorCause(e.status_code);this._failed("remote",e,t)}}},{key:"_onRequestTimeout",value:function(){this._closed||this._failed("system",null,s.causes.REQUEST_TIMEOUT)}},{key:"_onTransportError",value:function(){this._closed||this._failed("system",null,s.causes.CONNECTION_ERROR)}},{key:"_close",value:function(){this._closed=!0,this._ua.destroyMessage(this)}},{key:"_newMessage",value:function(e,t){"remote"===e?(this._direction="incoming",this._local_identity=t.to,this._remote_identity=t.from):"local"===e&&(this._direction="outgoing",this._local_identity=t.from,this._remote_identity=t.to),this._ua.newMessage(this,{originator:e,message:this,request:t})}},{key:"_failed",value:function(e,t,n){c("MESSAGE failed"),this._close(),c('emit "failed"'),this.emit("failed",{originator:e,response:t||null,cause:n})}},{key:"_succeeded",value:function(e,t){c("MESSAGE succeeded"),this._close(),c('emit "succeeded"'),this.emit("succeeded",{originator:e,response:t})}},{key:"direction",get:function(){return this._direction}},{key:"local_identity",get:function(){return this._local_identity}},{key:"remote_identity",get:function(){return this._remote_identity}}]),t}()},{"./Constants":2,"./Exceptions":6,"./RequestSender":18,"./SIPMessage":19,"./Utils":26,debug:29,events:31}],10:[function(e,t,n){"use strict";var r=function(){function e(e,t){for(var n=0;n";for(var t in this._parameters)Object.prototype.hasOwnProperty.call(this._parameters,t)&&(e+=";"+t,null!==this._parameters[t]&&(e+="="+this._parameters[t]));return e}},{key:"uri",get:function(){return this._uri}},{key:"display_name",get:function(){return this._display_name},set:function(e){this._display_name=0===e?"0":e}}]),e}()},{"./Grammar":7,"./URI":25}],11:[function(e,t,n){"use strict";var r=e("./Grammar"),i=e("./SIPMessage"),s=e("debug")("JsSIP:ERROR:Parser");s.log=console.warn.bind(console),n.parseMessage=function(e,t){var n=void 0,o=void 0,a=e.indexOf("\r\n");if(-1!==a){var l=e.substring(0,a),u=r.parse(l,"Request_Response");if(-1!==u){u.status_code?((n=new i.IncomingResponse).status_code=u.status_code,n.reason_phrase=u.reason_phrase):((n=new i.IncomingRequest(t)).method=u.method,n.ruri=u.uri),n.data=e;for(var c=a+2;;){if(-2===(a=function(e,t){var n=t,r=0,i=0;if(e.substring(n,n+2).match(/(^\r\n)/))return-2;for(;0===r;){if(-1===(i=e.indexOf("\r\n",n)))return i;!e.substring(i+2,i+4).match(/(^\r\n)/)&&e.charAt(i+2).match(/(^\s+)/)?n=i+2:r=i}return r}(e,c))){o=c+2;break}if(-1===a)return void s("parseMessage() | malformed message");if(!0!==(u=function(e,t,n,s){var o=void 0,a=t.indexOf(":",n),l=t.substring(n,a).trim(),u=t.substring(a+1,s).trim();switch(l.toLowerCase()){case"via":case"v":e.addHeader("via",u),1===e.getHeaders("via").length?(o=e.parseHeader("Via"))&&(e.via=o,e.via_branch=o.branch):o=0;break;case"from":case"f":e.setHeader("from",u),(o=e.parseHeader("from"))&&(e.from=o,e.from_tag=o.getParam("tag"));break;case"to":case"t":e.setHeader("to",u),(o=e.parseHeader("to"))&&(e.to=o,e.to_tag=o.getParam("tag"));break;case"record-route":if(-1===(o=r.parse(u,"Record_Route")))o=void 0;else{var c=!0,d=!1,h=void 0;try{for(var f,p=o[Symbol.iterator]();!(c=(f=p.next()).done);c=!0){var _=f.value;e.addHeader("record-route",u.substring(_.possition,_.offset)),e.headers["Record-Route"][e.getHeaders("record-route").length-1].parsed=_.parsed}}catch(e){d=!0,h=e}finally{try{!c&&p.return&&p.return()}finally{if(d)throw h}}}break;case"call-id":case"i":e.setHeader("call-id",u),(o=e.parseHeader("call-id"))&&(e.call_id=u);break;case"contact":case"m":if(-1===(o=r.parse(u,"Contact")))o=void 0;else{var m=!0,v=!1,g=void 0;try{for(var y,T=o[Symbol.iterator]();!(m=(y=T.next()).done);m=!0){var C=y.value;e.addHeader("contact",u.substring(C.possition,C.offset)),e.headers.Contact[e.getHeaders("contact").length-1].parsed=C.parsed}}catch(e){v=!0,g=e}finally{try{!m&&T.return&&T.return()}finally{if(v)throw g}}}break;case"content-length":case"l":e.setHeader("content-length",u),o=e.parseHeader("content-length");break;case"content-type":case"c":e.setHeader("content-type",u),o=e.parseHeader("content-type");break;case"cseq":e.setHeader("cseq",u),(o=e.parseHeader("cseq"))&&(e.cseq=o.value),e instanceof i.IncomingResponse&&(e.method=o.method);break;case"max-forwards":e.setHeader("max-forwards",u),o=e.parseHeader("max-forwards");break;case"www-authenticate":e.setHeader("www-authenticate",u),o=e.parseHeader("www-authenticate");break;case"proxy-authenticate":e.setHeader("proxy-authenticate",u),o=e.parseHeader("proxy-authenticate");break;case"session-expires":case"x":e.setHeader("session-expires",u),(o=e.parseHeader("session-expires"))&&(e.session_expires=o.expires,e.session_expires_refresher=o.refresher);break;case"refer-to":case"r":e.setHeader("refer-to",u),(o=e.parseHeader("refer-to"))&&(e.refer_to=o);break;case"replaces":e.setHeader("replaces",u),(o=e.parseHeader("replaces"))&&(e.replaces=o);break;case"event":case"o":e.setHeader("event",u),(o=e.parseHeader("event"))&&(e.event=o);break;default:e.setHeader(l,u),o=0}return void 0!==o||{error:'error parsing header "'+l+'"'}}(n,e,c,a)))return void s("parseMessage() |",u.error);c=a+2}if(n.hasHeader("content-length")){var d=n.getHeader("content-length");n.body=e.substr(o,d)}else n.body=e.substring(o);return n}s('parseMessage() | error parsing first line of SIP message: "'+l+'"')}else s("parseMessage() | no CRLF found, not a SIP message")}},{"./Grammar":7,"./SIPMessage":19,debug:29}],12:[function(e,t,n){"use strict";var r="function"==typeof Symbol&&"symbol"==typeof Symbol.iterator?function(e){return typeof e}:function(e){return e&&"function"==typeof Symbol&&e.constructor===Symbol&&e!==Symbol.prototype?"symbol":typeof e},i=function(){function e(e,t){for(var n=0;n1&&void 0!==arguments[1]?arguments[1]:{},n=arguments[2];y("connect()");var r=e,i=t.eventHandlers||{},s=c.cloneArray(t.extraHeaders),o=t.mediaConstraints||{audio:!0,video:!0},u=t.mediaStream||null,d=t.pcConfig||{iceServers:[]},f=t.rtcConstraints||null,p=t.rtcOfferConstraints||null;if(this._rtcOfferConstraints=p,this._rtcAnswerConstraints=t.rtcAnswerConstraints||null,this._data=t.data||this._data,void 0===e)throw new TypeError("Not enough arguments");if(this._status!==C.STATUS_NULL)throw new l.InvalidStateError(this._status);if(!window.RTCPeerConnection)throw new l.NotSupportedError("WebRTC not supported");if(!(e=this._ua.normalizeTarget(e)))throw new TypeError("Invalid target: "+r);this._sessionTimers.enabled&&c.isDecimal(t.sessionTimersExpires)&&(t.sessionTimersExpires>=a.MIN_SESSION_EXPIRES?this._sessionTimers.defaultExpires=t.sessionTimersExpires:this._sessionTimers.defaultExpires=a.SESSION_EXPIRES);for(var _ in i)Object.prototype.hasOwnProperty.call(i,_)&&this.on(_,i[_]);this._from_tag=c.newTag();var m=t.anonymous||!1,v={from_tag:this._from_tag};this._contact=this._ua.contact.toString({anonymous:m,outbound:!0}),m&&(v.from_display_name="Anonymous",v.from_uri="sip:anonymous@anonymous.invalid",s.push("P-Preferred-Identity: "+this._ua.configuration.uri.toString()),s.push("Privacy: id")),s.push("Contact: "+this._contact),s.push("Content-Type: application/sdp"),this._sessionTimers.enabled&&s.push("Session-Expires: "+this._sessionTimers.defaultExpires),this._request=new h.InitialOutgoingInviteRequest(e,this._ua,v,s),this._id=this._request.call_id+this._from_tag,this._createRTCConnection(d,f),this._direction="outgoing",this._local_identity=this._request.from,this._remote_identity=this._request.to,n&&n(this),this._newRTCSession("local",this._request),this._sendInitialRequest(o,p,u)}},{key:"init_incoming",value:function(e,t){var n=this;y("init_incoming()");var r=void 0,i=e.getHeader("Content-Type");e.body&&"application/sdp"!==i?e.reply(415):(this._status=C.STATUS_INVITE_RECEIVED,this._from_tag=e.from_tag,this._id=e.call_id+this._from_tag,this._request=e,this._contact=this._ua.contact.toString(),e.hasHeader("expires")&&(r=1e3*e.getHeader("expires")),e.to_tag=c.newTag(),this._createDialog(e,"UAS",!0)?(e.body?this._late_sdp=!1:this._late_sdp=!0,this._status=C.STATUS_WAITING_FOR_ANSWER,this._timers.userNoAnswerTimer=setTimeout(function(){e.reply(408),n._failed("local",null,a.causes.NO_ANSWER)},this._ua.configuration.no_answer_timeout),r&&(this._timers.expiresTimer=setTimeout(function(){n._status===C.STATUS_WAITING_FOR_ANSWER&&(e.reply(487),n._failed("system",null,a.causes.EXPIRES))},r)),this._direction="incoming",this._local_identity=e.to,this._remote_identity=e.from,t&&t(this),this._newRTCSession("remote",e),this._status!==C.STATUS_TERMINATED&&(e.reply(180,null,["Contact: "+this._contact]),this._progress("local",null))):e.reply(500,"Missing Contact header field"))}},{key:"answer",value:function(){function e(e){var n=this;if(this._status!==C.STATUS_TERMINATED)if(this._localMediaStream=e,e&&this._connection.addStream(e),this._late_sdp)t.call(this);else{var r={originator:"remote",type:"offer",sdp:o.body};y('emit "sdp"'),this.emit("sdp",r);var i=new RTCSessionDescription({type:"offer",sdp:r.sdp});this._connectionPromiseQueue=this._connectionPromiseQueue.then(function(){return n._connection.setRemoteDescription(i)}).then(t.bind(this)).catch(function(e){o.reply(488),n._failed("system",null,a.causes.WEBRTC_ERROR),T('emit "peerconnection:setremotedescriptionfailed" [error:%o]',e),n.emit("peerconnection:setremotedescriptionfailed",e)})}}function t(){this._connecting(o),this._late_sdp?this._createLocalDescription("offer",n.bind(this),r.bind(this),this._rtcOfferConstraints):this._createLocalDescription("answer",n.bind(this),r.bind(this),_)}function n(e){this._status!==C.STATUS_TERMINATED&&(this._handleSessionTimersInIncomingRequest(o,u),o.reply(200,null,u,e,function(){this._status=C.STATUS_WAITING_FOR_ACK,this._setInvite2xxTimer(o,e),this._setACKTimer(),this._accepted("local")}.bind(this),function(){this._failed("system",null,a.causes.CONNECTION_ERROR)}.bind(this)))}function r(){this._status!==C.STATUS_TERMINATED&&(o.reply(500),this._failed("system",null,a.causes.WEBRTC_ERROR))}var i=this,s=arguments.length>0&&void 0!==arguments[0]?arguments[0]:{};y("answer()");var o=this._request,u=c.cloneArray(s.extraHeaders),d=s.mediaConstraints||{},h=s.mediaStream||null,f=s.pcConfig||{iceServers:[]},p=s.rtcConstraints||null,_=s.rtcAnswerConstraints||null,m=void 0,v=!1,g=!1,S=!1,E=!1;if(this._rtcAnswerConstraints=_,this._rtcOfferConstraints=s.rtcOfferConstraints||null,this._data=s.data||this._data,"incoming"!==this._direction)throw new l.NotSupportedError('"answer" not supported for outgoing RTCSession');if(this._status!==C.STATUS_WAITING_FOR_ANSWER)throw new l.InvalidStateError(this._status);if(this._sessionTimers.enabled&&c.isDecimal(s.sessionTimersExpires)&&(s.sessionTimersExpires>=a.MIN_SESSION_EXPIRES?this._sessionTimers.defaultExpires=s.sessionTimersExpires:this._sessionTimers.defaultExpires=a.SESSION_EXPIRES),this._status=C.STATUS_ANSWERED,this._createDialog(o,"UAS")){clearTimeout(this._timers.userNoAnswerTimer),u.unshift("Contact: "+this._contact);var b=o.parseSDP();Array.isArray(b.media)||(b.media=[b.media]);var R=!0,A=!1,w=void 0;try{for(var I,k=b.media[Symbol.iterator]();!(R=(I=k.next()).done);R=!0){var P=I.value;"audio"===P.type&&(v=!0,P.direction&&"sendrecv"!==P.direction||(S=!0)),"video"===P.type&&(g=!0,P.direction&&"sendrecv"!==P.direction||(E=!0))}}catch(e){A=!0,w=e}finally{try{!R&&k.return&&k.return()}finally{if(A)throw w}}if(h&&!1===d.audio){m=h.getAudioTracks();var O=!0,x=!1,N=void 0;try{for(var D,U=m[Symbol.iterator]();!(O=(D=U.next()).done);O=!0){var M=D.value;h.removeTrack(M)}}catch(e){x=!0,N=e}finally{try{!O&&U.return&&U.return()}finally{if(x)throw N}}}if(h&&!1===d.video){m=h.getVideoTracks();var L=!0,q=!1,H=void 0;try{for(var F,j=m[Symbol.iterator]();!(L=(F=j.next()).done);L=!0){var G=F.value;h.removeTrack(G)}}catch(e){q=!0,H=e}finally{try{!L&&j.return&&j.return()}finally{if(q)throw H}}}h||void 0!==d.audio||(d.audio=S),h||void 0!==d.video||(d.video=E),h||v||(d.audio=!1),h||g||(d.video=!1),this._createRTCConnection(f,p),h?e.call(this,h):d.audio||d.video?(this._localMediaStreamLocallyGenerated=!0,navigator.mediaDevices.getUserMedia(d).then(e.bind(this)).catch(function(e){(function(){this._status!==C.STATUS_TERMINATED&&(o.reply(480),this._failed("local",null,a.causes.USER_DENIED_MEDIA_ACCESS))}).call(i,e),T('emit "getusermediafailed" [error:%o]',e),i.emit("getusermediafailed",e)})):e.call(this,null)}else o.reply(500,"Error creating dialog")}},{key:"terminate",value:function(){var e=this,t=arguments.length>0&&void 0!==arguments[0]?arguments[0]:{};y("terminate()");var n=t.cause||a.causes.BYE,r=c.cloneArray(t.extraHeaders),i=t.body,s=void 0,o=t.status_code,d=t.reason_phrase;if(this._status===C.STATUS_TERMINATED)throw new l.InvalidStateError(this._status);switch(this._status){case C.STATUS_NULL:case C.STATUS_INVITE_SENT:case C.STATUS_1XX_RECEIVED:if(y("canceling session"),o&&(o<200||o>=700))throw new TypeError("Invalid status_code: "+o);o&&(s="SIP ;cause="+o+' ;text="'+(d=d||a.REASON_PHRASE[o]||"")+'"'),this._status===C.STATUS_NULL||this._status===C.STATUS_INVITE_SENT?(this._is_canceled=!0,this._cancel_reason=s):this._status===C.STATUS_1XX_RECEIVED&&this._request.cancel(s),this._status=C.STATUS_CANCELED,this._failed("local",null,a.causes.CANCELED);break;case C.STATUS_WAITING_FOR_ANSWER:case C.STATUS_ANSWERED:if(y("rejecting session"),(o=o||480)<300||o>=700)throw new TypeError("Invalid status_code: "+o);this._request.reply(o,d,r,i),this._failed("local",null,a.causes.REJECTED);break;case C.STATUS_WAITING_FOR_ACK:case C.STATUS_CONFIRMED:if(y("terminating session"),d=t.reason_phrase||a.REASON_PHRASE[o]||"",o&&(o<200||o>=700))throw new TypeError("Invalid status_code: "+o);if(o&&r.push("Reason: SIP ;cause="+o+'; text="'+d+'"'),this._status===C.STATUS_WAITING_FOR_ACK&&"incoming"===this._direction&&this._request.server_transaction.state!==u.C.STATUS_TERMINATED){var h=this._dialog;this.receiveRequest=function(t){t.method===a.ACK&&(e.sendRequest(a.BYE,{extraHeaders:r,body:i}),h.terminate())},this._request.server_transaction.on("stateChanged",function(){e._request.server_transaction.state===u.C.STATUS_TERMINATED&&(e.sendRequest(a.BYE,{extraHeaders:r,body:i}),h.terminate())}),this._ended("local",null,n),this._dialog=h,this._ua.newDialog(h)}else this.sendRequest(a.BYE,{extraHeaders:r,body:i}),this._ended("local",null,n)}}},{key:"sendDTMF",value:function(e){function t(){var e=this,o=void 0;if(this._status===C.STATUS_TERMINATED||!this._tones||r>=this._tones.length)this._tones=null;else{var a=this._tones[r];if(r+=1,","===a)o=2e3;else{var l=new _(this);n.eventHandlers={onFailed:function(){e._tones=null}},l.send(a,n),o=i+s}setTimeout(t.bind(this),o)}}var n=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};y("sendDTMF() | tones: %s",e);var r=0,i=n.duration||null,s=n.interToneGap||null;if(void 0===e)throw new TypeError("Not enough arguments");if(this._status!==C.STATUS_CONFIRMED&&this._status!==C.STATUS_WAITING_FOR_ACK)throw new l.InvalidStateError(this._status);if("number"==typeof e&&(e=e.toString()),!e||"string"!=typeof e||!e.match(/^[0-9A-DR#*,]+$/i))throw new TypeError("Invalid tones: "+e);if(i&&!c.isDecimal(i))throw new TypeError("Invalid tone duration: "+i);if(i?i<_.C.MIN_DURATION?(y('"duration" value is lower than the minimum allowed, setting it to '+_.C.MIN_DURATION+" milliseconds"),i=_.C.MIN_DURATION):i>_.C.MAX_DURATION?(y('"duration" value is greater than the maximum allowed, setting it to '+_.C.MAX_DURATION+" milliseconds"),i=_.C.MAX_DURATION):i=Math.abs(i):i=_.C.DEFAULT_DURATION,n.duration=i,s&&!c.isDecimal(s))throw new TypeError("Invalid interToneGap: "+s);s?s<_.C.MIN_INTER_TONE_GAP?(y('"interToneGap" value is lower than the minimum allowed, setting it to '+_.C.MIN_INTER_TONE_GAP+" milliseconds"),s=_.C.MIN_INTER_TONE_GAP):s=Math.abs(s):s=_.C.DEFAULT_INTER_TONE_GAP,this._tones?this._tones+=e:(this._tones=e,t.call(this))}},{key:"sendInfo",value:function(e,t){var n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};if(y("sendInfo()"),this._status!==C.STATUS_CONFIRMED&&this._status!==C.STATUS_WAITING_FOR_ACK)throw new l.InvalidStateError(this._status);new m(this).send(e,t,n)}},{key:"mute",value:function(){var e=arguments.length>0&&void 0!==arguments[0]?arguments[0]:{audio:!0,video:!1};y("mute()");var t=!1,n=!1;!1===this._audioMuted&&e.audio&&(t=!0,this._audioMuted=!0,this._toogleMuteAudio(!0)),!1===this._videoMuted&&e.video&&(n=!0,this._videoMuted=!0,this._toogleMuteVideo(!0)),!0!==t&&!0!==n||this._onmute({audio:t,video:n})}},{key:"unmute",value:function(){var e=arguments.length>0&&void 0!==arguments[0]?arguments[0]:{audio:!0,video:!0};y("unmute()");var t=!1,n=!1;!0===this._audioMuted&&e.audio&&(t=!0,this._audioMuted=!1,!1===this._localHold&&this._toogleMuteAudio(!1)),!0===this._videoMuted&&e.video&&(n=!0,this._videoMuted=!1,!1===this._localHold&&this._toogleMuteVideo(!1)),!0!==t&&!0!==n||this._onunmute({audio:t,video:n})}},{key:"hold",value:function(){var e=this,t=arguments.length>0&&void 0!==arguments[0]?arguments[0]:{},n=arguments[1];if(y("hold()"),this._status!==C.STATUS_WAITING_FOR_ACK&&this._status!==C.STATUS_CONFIRMED)return!1;if(!0===this._localHold)return!1;if(!this._isReadyToReOffer())return!1;this._localHold=!0,this._onhold("local");var r={succeeded:function(){n&&n()},failed:function(){e.terminate({cause:a.causes.WEBRTC_ERROR,status_code:500,reason_phrase:"Hold Failed"})}};return t.useUpdate?this._sendUpdate({sdpOffer:!0,eventHandlers:r,extraHeaders:t.extraHeaders}):this._sendReinvite({eventHandlers:r,extraHeaders:t.extraHeaders}),!0}},{key:"unhold",value:function(){var e=this,t=arguments.length>0&&void 0!==arguments[0]?arguments[0]:{},n=arguments[1];if(y("unhold()"),this._status!==C.STATUS_WAITING_FOR_ACK&&this._status!==C.STATUS_CONFIRMED)return!1;if(!1===this._localHold)return!1;if(!this._isReadyToReOffer())return!1;this._localHold=!1,this._onunhold("local");var r={succeeded:function(){n&&n()},failed:function(){e.terminate({cause:a.causes.WEBRTC_ERROR,status_code:500,reason_phrase:"Unhold Failed"})}};return t.useUpdate?this._sendUpdate({sdpOffer:!0,eventHandlers:r,extraHeaders:t.extraHeaders}):this._sendReinvite({eventHandlers:r,extraHeaders:t.extraHeaders}),!0}},{key:"renegotiate",value:function(){var e=this,t=arguments.length>0&&void 0!==arguments[0]?arguments[0]:{},n=arguments[1];y("renegotiate()");var r=t.rtcOfferConstraints||null;if(this._status!==C.STATUS_WAITING_FOR_ACK&&this._status!==C.STATUS_CONFIRMED)return!1;if(!this._isReadyToReOffer())return!1;var i={succeeded:function(){n&&n()},failed:function(){e.terminate({cause:a.causes.WEBRTC_ERROR,status_code:500,reason_phrase:"Media Renegotiation Failed"})}};return this._setLocalMediaStatus(),t.useUpdate?this._sendUpdate({sdpOffer:!0,eventHandlers:i,rtcOfferConstraints:r,extraHeaders:t.extraHeaders}):this._sendReinvite({eventHandlers:i,rtcOfferConstraints:r,extraHeaders:t.extraHeaders}),!0}},{key:"refer",value:function(e,t){var n=this;y("refer()");var r=e;if(this._status!==C.STATUS_WAITING_FOR_ACK&&this._status!==C.STATUS_CONFIRMED)return!1;if(!(e=this._ua.normalizeTarget(e)))throw new TypeError("Invalid target: "+r);var i=new g(this);i.sendRefer(e,t);var s=i.id;return this._referSubscribers[s]=i,i.on("requestFailed",function(){delete n._referSubscribers[s]}),i.on("accepted",function(){delete n._referSubscribers[s]}),i.on("failed",function(){delete n._referSubscribers[s]}),i}},{key:"sendRequest",value:function(e,t){return y("sendRequest()"),this._dialog.sendRequest(e,t)}},{key:"receiveRequest",value:function(e){var t=this;if(y("receiveRequest()"),e.method===a.CANCEL)this._status!==C.STATUS_WAITING_FOR_ANSWER&&this._status!==C.STATUS_ANSWERED||(this._status=C.STATUS_CANCELED,this._request.reply(487),this._failed("remote",e,a.causes.CANCELED));else switch(e.method){case a.ACK:if(this._status!==C.STATUS_WAITING_FOR_ACK)return;if(this._status=C.STATUS_CONFIRMED,clearTimeout(this._timers.ackTimer),clearTimeout(this._timers.invite2xxTimer),this._late_sdp){if(!e.body){this.terminate({cause:a.causes.MISSING_SDP,status_code:400});break}var n={originator:"remote",type:"answer",sdp:e.body};y('emit "sdp"'),this.emit("sdp",n);var r=new RTCSessionDescription({type:"answer",sdp:n.sdp});this._connectionPromiseQueue=this._connectionPromiseQueue.then(function(){return t._connection.setRemoteDescription(r)}).then(function(){t._is_confirmed||t._confirmed("remote",e)}).catch(function(e){t.terminate({cause:a.causes.BAD_MEDIA_DESCRIPTION,status_code:488}),t.emit("peerconnection:setremotedescriptionfailed",e)})}else this._is_confirmed||this._confirmed("remote",e);break;case a.BYE:this._status===C.STATUS_CONFIRMED?(e.reply(200),this._ended("remote",e,a.causes.BYE)):this._status===C.STATUS_INVITE_RECEIVED?(e.reply(200),this._request.reply(487,"BYE Received"),this._ended("remote",e,a.causes.BYE)):e.reply(403,"Wrong Status");break;case a.INVITE:this._status===C.STATUS_CONFIRMED?e.hasHeader("replaces")?this._receiveReplaces(e):this._receiveReinvite(e):e.reply(403,"Wrong Status");break;case a.INFO:if(this._status===C.STATUS_1XX_RECEIVED||this._status===C.STATUS_WAITING_FOR_ANSWER||this._status===C.STATUS_ANSWERED||this._status===C.STATUS_WAITING_FOR_ACK||this._status===C.STATUS_CONFIRMED){var i=e.getHeader("content-type");i&&i.match(/^application\/dtmf-relay/i)?new _(this).init_incoming(e):void 0!==i?new m(this).init_incoming(e):e.reply(415)}else e.reply(403,"Wrong Status");break;case a.UPDATE:this._status===C.STATUS_CONFIRMED?this._receiveUpdate(e):e.reply(403,"Wrong Status");break;case a.REFER:this._status===C.STATUS_CONFIRMED?this._receiveRefer(e):e.reply(403,"Wrong Status");break;case a.NOTIFY:this._status===C.STATUS_CONFIRMED?this._receiveNotify(e):e.reply(403,"Wrong Status");break;default:e.reply(501)}}},{key:"onTransportError",value:function(){T("onTransportError()"),this._status!==C.STATUS_TERMINATED&&this.terminate({status_code:500,reason_phrase:a.causes.CONNECTION_ERROR,cause:a.causes.CONNECTION_ERROR})}},{key:"onRequestTimeout",value:function(){T("onRequestTimeout()"),this._status!==C.STATUS_TERMINATED&&this.terminate({status_code:408,reason_phrase:a.causes.REQUEST_TIMEOUT,cause:a.causes.REQUEST_TIMEOUT})}},{key:"onDialogError",value:function(){T("onDialogError()"),this._status!==C.STATUS_TERMINATED&&this.terminate({status_code:500,reason_phrase:a.causes.DIALOG_ERROR,cause:a.causes.DIALOG_ERROR})}},{key:"newDTMF",value:function(e){y("newDTMF()"),this.emit("newDTMF",e)}},{key:"newInfo",value:function(e){y("newInfo()"),this.emit("newInfo",e)}},{key:"_isReadyToReOffer",value:function(){return this._rtcReady?this._dialog?!0!==this._dialog.uac_pending_reply&&!0!==this._dialog.uas_pending_reply||(y("_isReadyToReOffer() | there is another INVITE/UPDATE transaction in progress"),!1):(y("_isReadyToReOffer() | session not established yet"),!1):(y("_isReadyToReOffer() | internal WebRTC status not ready"),!1)}},{key:"_close",value:function(){if(y("close()"),this._status!==C.STATUS_TERMINATED){if(this._status=C.STATUS_TERMINATED,this._connection)try{this._connection.close()}catch(e){T("close() | error closing the RTCPeerConnection: %o",e)}this._localMediaStream&&this._localMediaStreamLocallyGenerated&&(y("close() | closing local MediaStream"),c.closeMediaStream(this._localMediaStream));for(var e in this._timers)Object.prototype.hasOwnProperty.call(this._timers,e)&&clearTimeout(this._timers[e]);clearTimeout(this._sessionTimers.timer),this._dialog&&(this._dialog.terminate(),delete this._dialog);for(var t in this._earlyDialogs)Object.prototype.hasOwnProperty.call(this._earlyDialogs,t)&&(this._earlyDialogs[t].terminate(),delete this._earlyDialogs[t]);for(var n in this._referSubscribers)Object.prototype.hasOwnProperty.call(this._referSubscribers,n)&&delete this._referSubscribers[n];this._ua.destroyRTCSession(this)}}},{key:"_setInvite2xxTimer",value:function(e,t){function n(){this._status===C.STATUS_WAITING_FOR_ACK&&(e.reply(200,null,["Contact: "+this._contact],t),rd.T2&&(r=d.T2),this._timers.invite2xxTimer=setTimeout(n.bind(this),r))}var r=d.T1;this._timers.invite2xxTimer=setTimeout(n.bind(this),r)}},{key:"_setACKTimer",value:function(){var e=this;this._timers.ackTimer=setTimeout(function(){e._status===C.STATUS_WAITING_FOR_ACK&&(y("no ACK received, terminating the session"),clearTimeout(e._timers.invite2xxTimer),e.sendRequest(a.BYE),e._ended("remote",null,a.causes.NO_ACK))},d.TIMER_H)}},{key:"_createRTCConnection",value:function(e,t){var n=this;this._connection=new RTCPeerConnection(e,t),this._connection.addEventListener("iceconnectionstatechange",function(){"failed"===n._connection.iceConnectionState&&n.terminate({cause:a.causes.RTP_TIMEOUT,status_code:408,reason_phrase:a.causes.RTP_TIMEOUT})}),y('emit "peerconnection"'),this.emit("peerconnection",{peerconnection:this._connection})}},{key:"_createLocalDescription",value:function(e,t,n,r){function i(r){var i=this,s=void 0;o.addEventListener("icecandidate",s=function(n){if(!n.candidate){if(o.removeEventListener("icecandidate",s),i._rtcReady=!0,t){var r={originator:"local",type:e,sdp:o.localDescription.sdp};y('emit "sdp"'),i.emit("sdp",r),t(r.sdp)}t=null}}),o.setLocalDescription(r).then(function(){if("complete"===o.iceGatheringState&&(i._rtcReady=!0,t)){var n={originator:"local",type:e,sdp:o.localDescription.sdp};y('emit "sdp"'),i.emit("sdp",n),t(n.sdp),t=null}}).catch(function(e){i._rtcReady=!0,n&&n(e),T('emit "peerconnection:setlocaldescriptionfailed" [error:%o]',e),i.emit("peerconnection:setlocaldescriptionfailed",e)})}var s=this;y("createLocalDescription()");var o=this._connection;if(this._rtcReady=!1,"offer"===e)this._connectionPromiseQueue=this._connectionPromiseQueue.then(function(){return o.createOffer(r)}).then(i.bind(this)).catch(function(e){s._rtcReady=!0,n&&n(e),T('emit "peerconnection:createofferfailed" [error:%o]',e),s.emit("peerconnection:createofferfailed",e)});else{if("answer"!==e)throw new Error('createLocalDescription() | type must be "offer" or "answer", but "'+e+'" was given');this._connectionPromiseQueue=this._connectionPromiseQueue.then(function(){return o.createAnswer(r)}).then(i.bind(this)).catch(function(e){s._rtcReady=!0,n&&n(e),T('emit "peerconnection:createanswerfailed" [error:%o]',e),s.emit("peerconnection:createanswerfailed",e)})}}},{key:"_createDialog",value:function(e,t,n){var r="UAS"===t?e.to_tag:e.from_tag,i="UAS"===t?e.from_tag:e.to_tag,s=e.call_id+r+i,o=this._earlyDialogs[s];if(n)return!!o||((o=new f(this,e,t,f.C.STATUS_EARLY)).error?(y(o.error),this._failed("remote",e,a.causes.INTERNAL_ERROR),!1):(this._earlyDialogs[s]=o,!0));if(this._from_tag=e.from_tag,this._to_tag=e.to_tag,o)return o.update(e,t),this._dialog=o,delete this._earlyDialogs[s],!0;var l=new f(this,e,t);return l.error?(y(l.error),this._failed("remote",e,a.causes.INTERNAL_ERROR),!1):(this._dialog=l,!0)}},{key:"_receiveReinvite",value:function(e){function t(){var t=this;(function(e,t){this._late_sdp?this._createLocalDescription("offer",e,t,this._rtcOfferConstraints):(!0===this._remoteHold&&!1===s?(this._remoteHold=!1,this._onunhold("remote")):!1===this._remoteHold&&!0===s&&(this._remoteHold=!0,this._onhold("remote")),this._createLocalDescription("answer",e,t,this._rtcAnswerConstraints))}).call(this,function(n){var r=["Contact: "+t._contact];t._handleSessionTimersInIncomingRequest(e,r),t._late_sdp&&(n=t._mangleOffer(n)),e.reply(200,null,r,n,function(){t._status=C.STATUS_WAITING_FOR_ACK,t._setInvite2xxTimer(e,n),t._setACKTimer()}),"function"==typeof i.callback&&i.callback()},function(){e.reply(500)})}var n=this;y("receiveReinvite()");var r=e.getHeader("Content-Type"),i={request:e,callback:void 0,reject:function(){var t=arguments.length>0&&void 0!==arguments[0]?arguments[0]:{};o=!0;var n=t.status_code||403,r=t.reason_phrase||"",i=c.cloneArray(t.extraHeaders);if(this._status!==C.STATUS_CONFIRMED)return!1;if(n<300||n>=700)throw new TypeError("Invalid status_code: "+n);e.reply(n,r,i)}.bind(this)},s=!1,o=!1;if(this.emit("reinvite",i),!o)if(e.body){if(this._late_sdp=!1,"application/sdp"!==r)return y("invalid Content-Type"),void e.reply(415);var a=e.parseSDP(),l=!0,u=!1,d=void 0;try{for(var h,f=a.media[Symbol.iterator]();!(l=(h=f.next()).done);l=!0){var p=h.value;if(-1!==S.indexOf(p.type)){var _=p.direction||a.direction||"sendrecv";if("sendonly"!==_&&"inactive"!==_){s=!1;break}s=!0}}}catch(e){u=!0,d=e}finally{try{!l&&f.return&&f.return()}finally{if(u)throw d}}var m={originator:"remote",type:"offer",sdp:e.body};y('emit "sdp"'),this.emit("sdp",m);var v=new RTCSessionDescription({type:"offer",sdp:m.sdp});this._connectionPromiseQueue=this._connectionPromiseQueue.then(function(){return n._connection.setRemoteDescription(v)}).then(t.bind(this)).catch(function(t){e.reply(488),T('emit "peerconnection:setremotedescriptionfailed" [error:%o]',t),n.emit("peerconnection:setremotedescriptionfailed",t)})}else this._late_sdp=!0,t.call(this)}},{key:"_receiveUpdate",value:function(e){var t=this;y("receiveUpdate()");var n=e.getHeader("Content-Type"),r={request:e,callback:void 0,reject:function(){var t=arguments.length>0&&void 0!==arguments[0]?arguments[0]:{};i=!0;var n=t.status_code||403,r=t.reason_phrase||"",s=c.cloneArray(t.extraHeaders);if(this._status!==C.STATUS_CONFIRMED)return!1;if(n<300||n>=700)throw new TypeError("Invalid status_code: "+n);e.reply(n,r,s)}.bind(this)},i=!1,s=!1;if(this.emit("update",r),!i){if(!e.body){var o=[];return this._handleSessionTimersInIncomingRequest(e,o),void e.reply(200,null,o)}if("application/sdp"!==n)return y("invalid Content-Type"),void e.reply(415);var a=e.parseSDP(),l=!0,u=!1,d=void 0;try{for(var h,f=a.media[Symbol.iterator]();!(l=(h=f.next()).done);l=!0){var p=h.value;if(-1!==S.indexOf(p.type)){var _=p.direction||a.direction||"sendrecv";if("sendonly"!==_&&"inactive"!==_){s=!1;break}s=!0}}}catch(e){u=!0,d=e}finally{try{!l&&f.return&&f.return()}finally{if(u)throw d}}var m={originator:"remote",type:"offer",sdp:e.body};y('emit "sdp"'),this.emit("sdp",m);var v=new RTCSessionDescription({type:"offer",sdp:m.sdp});this._connectionPromiseQueue=this._connectionPromiseQueue.then(function(){return t._connection.setRemoteDescription(v)}).then(function(){!0===t._remoteHold&&!1===s?(t._remoteHold=!1,t._onunhold("remote")):!1===t._remoteHold&&!0===s&&(t._remoteHold=!0,t._onhold("remote")),t._createLocalDescription("answer",function(n){var i=["Contact: "+t._contact];t._handleSessionTimersInIncomingRequest(e,i),e.reply(200,null,i,n),"function"==typeof r.callback&&r.callback()},function(){e.reply(500)})}).catch(function(n){e.reply(488),T('emit "peerconnection:setremotedescriptionfailed" [error:%o]',n),t.emit("peerconnection:setremotedescriptionfailed",n)})}}},{key:"_receiveRefer",value:function(e){var n=this;if(y("receiveRefer()"),void 0===r(e.refer_to))return y("no Refer-To header field present in REFER"),void e.reply(400);if(e.refer_to.uri.scheme!==a.SIP)return y("Refer-To header field points to a non-SIP URI scheme"),void e.reply(416);e.reply(202);var i=new v(this,e.cseq);y('emit "refer"'),this.emit("refer",{request:e,accept:function(r,s){(function(n){var r=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};if(n="function"==typeof n?n:null,this._status!==C.STATUS_WAITING_FOR_ACK&&this._status!==C.STATUS_CONFIRMED)return!1;var s=new t(this._ua);if(s.on("progress",function(e){var t=e.response;i.notify(t.status_code,t.reason_phrase)}),s.on("accepted",function(e){var t=e.response;i.notify(t.status_code,t.reason_phrase)}),s.on("failed",function(e){var t=e.message,n=e.cause;t?i.notify(t.status_code,t.reason_phrase):i.notify(487,n)}),e.refer_to.uri.hasHeader("replaces")){var o=decodeURIComponent(e.refer_to.uri.getHeader("replaces"));r.extraHeaders=c.cloneArray(r.extraHeaders),r.extraHeaders.push("Replaces: "+o)}s.connect(e.refer_to.uri.toAor(),r,n)}).call(n,r,s)},reject:function(){(function(){i.notify(603)}).call(n)}})}},{key:"_receiveNotify",value:function(e){switch(y("receiveNotify()"),void 0===r(e.event)&&e.reply(400),e.event.event){case"refer":var t=void 0,n=void 0;if(e.event.params&&e.event.params.id)t=e.event.params.id,n=this._referSubscribers[t];else{if(1!==Object.keys(this._referSubscribers).length)return void e.reply(400,"Missing event id parameter");n=this._referSubscribers[Object.keys(this._referSubscribers)[0]]}if(!n)return void e.reply(481,"Subscription does not exist");n.receiveNotify(e),e.reply(200);break;default:e.reply(489)}}},{key:"_receiveReplaces",value:function(e){var n=this;y("receiveReplaces()"),this.emit("replaces",{request:e,accept:function(r){(function(n){var r=this;if(this._status!==C.STATUS_WAITING_FOR_ACK&&this._status!==C.STATUS_CONFIRMED)return!1;var i=new t(this._ua);i.on("confirmed",function(){r.terminate()}),i.init_incoming(e,n)}).call(n,r)},reject:function(){(function(){y("Replaced INVITE rejected by the user"),e.reply(486)}).call(n)}})}},{key:"_sendInitialRequest",value:function(e,t,n){function r(e){this._status!==C.STATUS_TERMINATED&&(this._localMediaStream=e,e&&this._connection.addStream(e),this._connecting(this._request),this._createLocalDescription("offer",function(e){if(this._is_canceled||this._status===C.STATUS_TERMINATED)return;this._request.body=e,this._status=C.STATUS_INVITE_SENT,y('emit "sending" [request:%o]',this._request),this.emit("sending",{request:this._request}),s.send()}.bind(this),function(){if(this._status===C.STATUS_TERMINATED)return;this._failed("system",null,a.causes.WEBRTC_ERROR)}.bind(this),t))}var i=this,s=new p(this._ua,this._request,{onRequestTimeout:function(){i.onRequestTimeout()},onTransportError:function(){i.onTransportError()},onAuthenticated:function(e){i._request=e},onReceiveResponse:function(e){i._receiveInviteResponse(e)}});n?setTimeout(function(){r.call(i,n)}):e.audio||e.video?(this._localMediaStreamLocallyGenerated=!0,navigator.mediaDevices.getUserMedia(e).then(r.bind(this)).catch(function(e){(function(){this._status!==C.STATUS_TERMINATED&&this._failed("local",null,a.causes.USER_DENIED_MEDIA_ACCESS)}).call(i,e),T('emit "getusermediafailed" [error:%o]',e),i.emit("getusermediafailed",e)})):r.call(this,null)}},{key:"_receiveInviteResponse",value:function(e){var t=this;if(y("receiveInviteResponse()"),this._dialog&&e.status_code>=200&&e.status_code<=299){if(this._dialog.id.call_id===e.call_id&&this._dialog.id.local_tag===e.from_tag&&this._dialog.id.remote_tag===e.to_tag)return void this.sendRequest(a.ACK);var n=new f(this,e,"UAC");return void 0!==n.error?void y(n.error):(this.sendRequest(a.ACK),void this.sendRequest(a.BYE))}if(this._is_canceled)e.status_code>=100&&e.status_code<200?this._request.cancel(this._cancel_reason):e.status_code>=200&&e.status_code<299&&this._acceptAndTerminate(e);else if(this._status===C.STATUS_INVITE_SENT||this._status===C.STATUS_1XX_RECEIVED)switch(!0){case/^100$/.test(e.status_code):this._status=C.STATUS_1XX_RECEIVED;break;case/^1[0-9]{2}$/.test(e.status_code):if(!e.to_tag){y("1xx response received without to tag");break}if(e.hasHeader("contact")&&!this._createDialog(e,"UAC",!0))break;if(this._status=C.STATUS_1XX_RECEIVED,this._progress("remote",e),!e.body)break;var r={originator:"remote",type:"answer",sdp:e.body};y('emit "sdp"'),this.emit("sdp",r);var i=new RTCSessionDescription({type:"answer",sdp:r.sdp});this._connectionPromiseQueue=this._connectionPromiseQueue.then(function(){return t._connection.setRemoteDescription(i)}).catch(function(e){T('emit "peerconnection:setremotedescriptionfailed" [error:%o]',e),t.emit("peerconnection:setremotedescriptionfailed",e)});break;case/^2[0-9]{2}$/.test(e.status_code):if(this._status=C.STATUS_CONFIRMED,!e.body){this._acceptAndTerminate(e,400,a.causes.MISSING_SDP),this._failed("remote",e,a.causes.BAD_MEDIA_DESCRIPTION);break}if(!this._createDialog(e,"UAC"))break;var s={originator:"remote",type:"answer",sdp:e.body};y('emit "sdp"'),this.emit("sdp",s);var o=new RTCSessionDescription({type:"answer",sdp:s.sdp});this._connectionPromiseQueue=this._connectionPromiseQueue.then(function(){if("stable"===t._connection.signalingState)return t._connection.createOffer().then(function(e){return t._connection.setLocalDescription(e)}).catch(function(n){t._acceptAndTerminate(e,500,n.toString()),t._failed("local",e,a.causes.WEBRTC_ERROR),T('emit "peerconnection:setlocaldescriptionfailed" [error:%o]',n),t.emit("peerconnection:setlocaldescriptionfailed",n)})}).then(function(){t._connection.setRemoteDescription(o).then(function(){t._handleSessionTimersInIncomingResponse(e),t._accepted("remote",e),t.sendRequest(a.ACK),t._confirmed("local",null)}).catch(function(n){t._acceptAndTerminate(e,488,"Not Acceptable Here"),t._failed("remote",e,a.causes.BAD_MEDIA_DESCRIPTION),T('emit "peerconnection:setremotedescriptionfailed" [error:%o]',n),t.emit("peerconnection:setremotedescriptionfailed",n)})});break;default:var l=c.sipErrorCause(e.status_code);this._failed("remote",e,l)}}},{key:"_sendReinvite",value:function(){function e(e){i.failed&&i.failed(e)}var t=this,n=arguments.length>0&&void 0!==arguments[0]?arguments[0]:{};y("sendReinvite()");var r=c.cloneArray(n.extraHeaders),i=n.eventHandlers||{},s=n.rtcOfferConstraints||this._rtcOfferConstraints||null,o=!1;r.push("Contact: "+this._contact),r.push("Content-Type: application/sdp"),this._sessionTimers.running&&r.push("Session-Expires: "+this._sessionTimers.currentExpires+";refresher="+(this._sessionTimers.refresher?"uac":"uas")),this._createLocalDescription("offer",function(n){n=t._mangleOffer(n),t.sendRequest(a.INVITE,{extraHeaders:r,body:n,eventHandlers:{onSuccessResponse:function(n){(function(t){var n=this;if(this._status!==C.STATUS_TERMINATED&&(this.sendRequest(a.ACK),!o))if(this._handleSessionTimersInIncomingResponse(t),t.body)if("application/sdp"===t.getHeader("Content-Type")){var r={originator:"remote",type:"answer",sdp:t.body};y('emit "sdp"'),this.emit("sdp",r);var s=new RTCSessionDescription({type:"answer",sdp:r.sdp});this._connectionPromiseQueue=this._connectionPromiseQueue.then(function(){return n._connection.setRemoteDescription(s)}).then(function(){i.succeeded&&i.succeeded(t)}).catch(function(t){e.call(n),T('emit "peerconnection:setremotedescriptionfailed" [error:%o]',t),n.emit("peerconnection:setremotedescriptionfailed",t)})}else e.call(this);else e.call(this)}).call(t,n),o=!0},onErrorResponse:function(n){e.call(t,n)},onTransportError:function(){t.onTransportError()},onRequestTimeout:function(){t.onRequestTimeout()},onDialogError:function(){t.onDialogError()}}})},function(){e()},s)}},{key:"_sendUpdate",value:function(){function e(e){var n=this;if(this._status!==C.STATUS_TERMINATED&&!u)if(this._handleSessionTimersInIncomingResponse(e),l){if(!e.body)return void t.call(this);if("application/sdp"!==e.getHeader("Content-Type"))return void t.call(this);var r={originator:"remote",type:"answer",sdp:e.body};y('emit "sdp"'),this.emit("sdp",r);var i=new RTCSessionDescription({type:"answer",sdp:r.sdp});this._connectionPromiseQueue=this._connectionPromiseQueue.then(function(){return n._connection.setRemoteDescription(i)}).then(function(){s.succeeded&&s.succeeded(e)}).catch(function(e){t.call(n),T('emit "peerconnection:setremotedescriptionfailed" [error:%o]',e),n.emit("peerconnection:setremotedescriptionfailed",e)})}else s.succeeded&&s.succeeded(e)}function t(e){s.failed&&s.failed(e)}var n=this,r=arguments.length>0&&void 0!==arguments[0]?arguments[0]:{};y("sendUpdate()");var i=c.cloneArray(r.extraHeaders),s=r.eventHandlers||{},o=r.rtcOfferConstraints||this._rtcOfferConstraints||null,l=r.sdpOffer||!1,u=!1;i.push("Contact: "+this._contact),this._sessionTimers.running&&i.push("Session-Expires: "+this._sessionTimers.currentExpires+";refresher="+(this._sessionTimers.refresher?"uac":"uas")),l?(i.push("Content-Type: application/sdp"),this._createLocalDescription("offer",function(r){r=n._mangleOffer(r),n.sendRequest(a.UPDATE,{extraHeaders:i,body:r,eventHandlers:{onSuccessResponse:function(t){e.call(n,t),u=!0},onErrorResponse:function(e){t.call(n,e)},onTransportError:function(){n.onTransportError()},onRequestTimeout:function(){n.onRequestTimeout()},onDialogError:function(){n.onDialogError()}}})},function(){t.call(n)},o)):this.sendRequest(a.UPDATE,{extraHeaders:i,eventHandlers:{onSuccessResponse:function(t){e.call(n,t)},onErrorResponse:function(e){t.call(n,e)},onTransportError:function(){n.onTransportError()},onRequestTimeout:function(){n.onRequestTimeout()},onDialogError:function(){n.onDialogError()}}})}},{key:"_acceptAndTerminate",value:function(e,t,n){y("acceptAndTerminate()");var r=[];t&&(n=n||a.REASON_PHRASE[t]||"",r.push("Reason: SIP ;cause="+t+'; text="'+n+'"')),(this._dialog||this._createDialog(e,"UAC"))&&(this.sendRequest(a.ACK),this.sendRequest(a.BYE,{extraHeaders:r})),this._status=C.STATUS_TERMINATED}},{key:"_mangleOffer",value:function(e){if(!this._localHold&&!this._remoteHold)return e;if(e=o.parse(e),this._localHold&&!this._remoteHold){y("mangleOffer() | me on hold, mangling offer");var t=!0,n=!1,r=void 0;try{for(var i,s=e.media[Symbol.iterator]();!(t=(i=s.next()).done);t=!0){var a=i.value;-1!==S.indexOf(a.type)&&(a.direction?"sendrecv"===a.direction?a.direction="sendonly":"recvonly"===a.direction&&(a.direction="inactive"):a.direction="sendonly")}}catch(e){n=!0,r=e}finally{try{!t&&s.return&&s.return()}finally{if(n)throw r}}}else if(this._localHold&&this._remoteHold){y("mangleOffer() | both on hold, mangling offer");var l=!0,u=!1,c=void 0;try{for(var d,h=e.media[Symbol.iterator]();!(l=(d=h.next()).done);l=!0){var f=d.value;-1!==S.indexOf(f.type)&&(f.direction="inactive")}}catch(e){u=!0,c=e}finally{try{!l&&h.return&&h.return()}finally{if(u)throw c}}}else if(this._remoteHold){y("mangleOffer() | remote on hold, mangling offer");var p=!0,_=!1,m=void 0;try{for(var v,g=e.media[Symbol.iterator]();!(p=(v=g.next()).done);p=!0){var T=v.value;-1!==S.indexOf(T.type)&&(T.direction?"sendrecv"===T.direction?T.direction="recvonly":"recvonly"===T.direction&&(T.direction="inactive"):T.direction="recvonly")}}catch(e){_=!0,m=e}finally{try{!p&&g.return&&g.return()}finally{if(_)throw m}}}return o.write(e)}},{key:"_setLocalMediaStatus",value:function(){var e=!0,t=!0;(this._localHold||this._remoteHold)&&(e=!1,t=!1),this._audioMuted&&(e=!1),this._videoMuted&&(t=!1),this._toogleMuteAudio(!e),this._toogleMuteVideo(!t)}},{key:"_handleSessionTimersInIncomingRequest",value:function(e,t){if(this._sessionTimers.enabled){var n=void 0;e.session_expires&&e.session_expires>=a.MIN_SESSION_EXPIRES?(this._sessionTimers.currentExpires=e.session_expires,n=e.session_expires_refresher||"uas"):(this._sessionTimers.currentExpires=this._sessionTimers.defaultExpires,n="uas"),t.push("Session-Expires: "+this._sessionTimers.currentExpires+";refresher="+n),this._sessionTimers.refresher="uas"===n,this._runSessionTimer()}}},{key:"_handleSessionTimersInIncomingResponse",value:function(e){if(this._sessionTimers.enabled){var t=void 0;e.session_expires&&e.session_expires>=a.MIN_SESSION_EXPIRES?(this._sessionTimers.currentExpires=e.session_expires,t=e.session_expires_refresher||"uac"):(this._sessionTimers.currentExpires=this._sessionTimers.defaultExpires,t="uac"),this._sessionTimers.refresher="uac"===t,this._runSessionTimer()}}},{key:"_runSessionTimer",value:function(){var e=this,t=this._sessionTimers.currentExpires;this._sessionTimers.running=!0,clearTimeout(this._sessionTimers.timer),this._sessionTimers.refresher?this._sessionTimers.timer=setTimeout(function(){e._status!==C.STATUS_TERMINATED&&(y("runSessionTimer() | sending session refresh request"),e._sessionTimers.refreshMethod===a.UPDATE?e._sendUpdate():e._sendReinvite())},500*t):this._sessionTimers.timer=setTimeout(function(){e._status!==C.STATUS_TERMINATED&&(T("runSessionTimer() | timer expired, terminating the session"),e.terminate({cause:a.causes.REQUEST_TIMEOUT,status_code:408,reason_phrase:"Session Timer Expired"}))},1100*t)}},{key:"_toogleMuteAudio",value:function(e){var t=this._connection.getLocalStreams(),n=!0,r=!1,i=void 0;try{for(var s,o=t[Symbol.iterator]();!(n=(s=o.next()).done);n=!0){var a=s.value.getAudioTracks(),l=!0,u=!1,c=void 0;try{for(var d,h=a[Symbol.iterator]();!(l=(d=h.next()).done);l=!0){d.value.enabled=!e}}catch(e){u=!0,c=e}finally{try{!l&&h.return&&h.return()}finally{if(u)throw c}}}}catch(e){r=!0,i=e}finally{try{!n&&o.return&&o.return()}finally{if(r)throw i}}}},{key:"_toogleMuteVideo",value:function(e){var t=this._connection.getLocalStreams(),n=!0,r=!1,i=void 0;try{for(var s,o=t[Symbol.iterator]();!(n=(s=o.next()).done);n=!0){var a=s.value.getVideoTracks(),l=!0,u=!1,c=void 0;try{for(var d,h=a[Symbol.iterator]();!(l=(d=h.next()).done);l=!0){d.value.enabled=!e}}catch(e){u=!0,c=e}finally{try{!l&&h.return&&h.return()}finally{if(u)throw c}}}}catch(e){r=!0,i=e}finally{try{!n&&o.return&&o.return()}finally{if(r)throw i}}}},{key:"_newRTCSession",value:function(e,t){y("newRTCSession()"),this._ua.newRTCSession(this,{originator:e,session:this,request:t})}},{key:"_connecting",value:function(e){y("session connecting"),y('emit "connecting"'),this.emit("connecting",{request:e})}},{key:"_progress",value:function(e,t){y("session progress"),y('emit "progress"'),this.emit("progress",{originator:e,response:t||null})}},{key:"_accepted",value:function(e,t){y("session accepted"),this._start_time=new Date,y('emit "accepted"'),this.emit("accepted",{originator:e,response:t||null})}},{key:"_confirmed",value:function(e,t){y("session confirmed"),this._is_confirmed=!0,y('emit "confirmed"'),this.emit("confirmed",{originator:e,ack:t||null})}},{key:"_ended",value:function(e,t,n){y("session ended"),this._end_time=new Date,this._close(),y('emit "ended"'),this.emit("ended",{originator:e,message:t||null,cause:n})}},{key:"_failed",value:function(e,t,n){y("session failed"),this._close(),y('emit "failed"'),this.emit("failed",{originator:e,message:t||null,cause:n})}},{key:"_onhold",value:function(e){y("session onhold"),this._setLocalMediaStatus(),y('emit "hold"'),this.emit("hold",{originator:e})}},{key:"_onunhold",value:function(e){y("session onunhold"),this._setLocalMediaStatus(),y('emit "unhold"'),this.emit("unhold",{originator:e})}},{key:"_onmute",value:function(e){var t=e.audio,n=e.video;y("session onmute"),this._setLocalMediaStatus(),y('emit "muted"'),this.emit("muted",{audio:t,video:n})}},{key:"_onunmute",value:function(e){var t=e.audio,n=e.video;y("session onunmute"),this._setLocalMediaStatus(),y('emit "unmuted"'),this.emit("unmuted",{audio:t,video:n})}},{key:"C",get:function(){return C}},{key:"causes",get:function(){return a.causes}},{key:"id",get:function(){return this._id}},{key:"connection",get:function(){return this._connection}},{key:"direction",get:function(){return this._direction}},{key:"local_identity",get:function(){return this._local_identity}},{key:"remote_identity",get:function(){return this._remote_identity}},{key:"start_time",get:function(){return this._start_time}},{key:"end_time",get:function(){return this._end_time}},{key:"data",get:function(){return this._data},set:function(e){this._data=e}},{key:"status",get:function(){return this._status}}]),t}()},{"./Constants":2,"./Dialog":3,"./Exceptions":6,"./RTCSession/DTMF":13,"./RTCSession/Info":14,"./RTCSession/ReferNotifier":15,"./RTCSession/ReferSubscriber":16,"./RequestSender":18,"./SIPMessage":19,"./Timers":21,"./Transactions":22,"./Utils":26,debug:29,events:31,"sdp-transform":36}],13:[function(e,t,n){"use strict";var r=function(){function e(e,t){for(var n=0;n1&&void 0!==arguments[1]?arguments[1]:{};if(void 0===e)throw new TypeError("Not enough arguments");if(this._direction="outgoing",this._session.status!==this._session.C.STATUS_CONFIRMED&&this._session.status!==this._session.C.STATUS_WAITING_FOR_ACK)throw new o.InvalidStateError(this._session.status);var r=a.cloneArray(n.extraHeaders);if(this.eventHandlers=n.eventHandlers||{},"string"==typeof e)e=e.toUpperCase();else{if("number"!=typeof e)throw new TypeError("Invalid tone: "+e);e=e.toString()}if(!e.match(/^[0-9A-DR#*]$/))throw new TypeError("Invalid tone: "+e);this._tone=e,this._duration=n.duration,r.push("Content-Type: application/dtmf-relay");var i="Signal="+this._tone+"\r\n";i+="Duration="+this._duration,this._session.newDTMF({originator:"local",dtmf:this,request:this._request}),this._session.sendRequest(s.INFO,{extraHeaders:r,eventHandlers:{onSuccessResponse:function(e){t.emit("succeeded",{originator:"remote",response:e})},onErrorResponse:function(e){t.eventHandlers.onFailed&&t.eventHandlers.onFailed(),t.emit("failed",{originator:"remote",response:e})},onRequestTimeout:function(){t._session.onRequestTimeout()},onTransportError:function(){t._session.onTransportError()},onDialogError:function(){t._session.onDialogError()}},body:i})}},{key:"init_incoming",value:function(e){var t=/^(Signal\s*?=\s*?)([0-9A-D#*]{1})(\s)?.*/,n=/^(Duration\s?=\s?)([0-9]{1,4})(\s)?.*/;if(this._direction="incoming",this._request=e,e.reply(200),e.body){var r=e.body.split("\n");r.length>=1&&t.test(r[0])&&(this._tone=r[0].replace(t,"$2")),r.length>=2&&n.test(r[1])&&(this._duration=parseInt(r[1].replace(n,"$2"),10))}this._duration||(this._duration=u.DEFAULT_DURATION),this._tone?this._session.newDTMF({originator:"remote",dtmf:this,request:e}):l("invalid INFO DTMF received, discarded")}},{key:"tone",get:function(){return this._tone}},{key:"duration",get:function(){return this._duration}}]),t}(),t.exports.C=u},{"../Constants":2,"../Exceptions":6,"../Utils":26,debug:29,events:31}],14:[function(e,t,n){"use strict";var r=function(){function e(e,t){for(var n=0;n2&&void 0!==arguments[2]?arguments[2]:{};if(this._direction="outgoing",void 0===e)throw new TypeError("Not enough arguments");if(this._session.status!==this._session.C.STATUS_CONFIRMED&&this._session.status!==this._session.C.STATUS_WAITING_FOR_ACK)throw new o.InvalidStateError(this._session.status);this._contentType=e,this._body=t;var i=a.cloneArray(r.extraHeaders);i.push("Content-Type: "+e),this._session.newInfo({originator:"local",info:this,request:this.request}),this._session.sendRequest(this,s.INFO,{extraHeaders:i,eventHandlers:{onSuccessResponse:function(e){n.emit("succeeded",{originator:"remote",response:e})},onErrorResponse:function(e){n.emit("failed",{originator:"remote",response:e})},onTransportError:function(){n._session.onTransportError()},onRequestTimeout:function(){n._session.onRequestTimeout()},onDialogError:function(){n._session.onDialogError()}},body:t})}},{key:"init_incoming",value:function(e){this._direction="incoming",this.request=e,e.reply(200),this._contentType=e.getHeader("content-type"),this._body=e.body,this._session.newInfo({originator:"remote",info:this,request:e})}},{key:"contentType",get:function(){return this._contentType}},{key:"body",get:function(){return this._body}}]),t}()},{"../Constants":2,"../Exceptions":6,"../Utils":26,debug:29,events:31}],15:[function(e,t,n){"use strict";var r=function(){function e(e,t){for(var n=0;n=200?"terminated;reason=noresource":"active;expires="+this._expires,this._session.sendRequest(i.NOTIFY,{extraHeaders:["Event: "+o.event_type+";id="+this._id,"Subscription-State: "+n,"Content-Type: "+o.body_type],body:"SIP/2.0 "+e+" "+t,eventHandlers:{onErrorResponse:function(){this._active=!1}}})}}}]),e}()},{"../Constants":2,debug:29}],16:[function(e,t,n){"use strict";var r=function(){function e(e,t){for(var n=0;n1&&void 0!==arguments[1]?arguments[1]:{};l("sendRefer()");var r=a.cloneArray(n.extraHeaders),i=n.eventHandlers||{};for(var o in i)Object.prototype.hasOwnProperty.call(i,o)&&this.on(o,i[o]);var u=null;n.replaces&&(u=n.replaces._request.call_id,u+=";to-tag="+n.replaces._to_tag,u+=";from-tag="+n.replaces._from_tag,u=encodeURIComponent(u));var c="Refer-To: <"+e+(u?"?Replaces="+u:"")+">";r.push(c);var d=this._session.sendRequest(s.REFER,{extraHeaders:r,eventHandlers:{onSuccessResponse:function(e){t._requestSucceeded(e)},onErrorResponse:function(e){t._requestFailed(e,s.causes.REJECTED)},onTransportError:function(){t._requestFailed(null,s.causes.CONNECTION_ERROR)},onRequestTimeout:function(){t._requestFailed(null,s.causes.REQUEST_TIMEOUT)},onDialogError:function(){t._requestFailed(null,s.causes.DIALOG_ERROR)}}});this._id=d.cseq}},{key:"receiveNotify",value:function(e){if(l("receiveNotify()"),e.body){var t=o.parse(e.body,"Status_Line");if(-1!==t)switch(!0){case/^100$/.test(t.status_code):this.emit("trying",{request:e,status_line:t});break;case/^1[0-9]{2}$/.test(t.status_code):this.emit("progress",{request:e,status_line:t});break;case/^2[0-9]{2}$/.test(t.status_code):this.emit("accepted",{request:e,status_line:t});break;default:this.emit("failed",{request:e,status_line:t})}else l('receiveNotify() | error parsing NOTIFY body: "'+e.body+'"')}}},{key:"_requestSucceeded",value:function(e){l("REFER succeeded"),l('emit "requestSucceeded"'),this.emit("requestSucceeded",{response:e})}},{key:"_requestFailed",value:function(e,t){l("REFER failed"),l('emit "requestFailed"'),this.emit("requestFailed",{response:e||null,cause:t})}},{key:"id",get:function(){return this._id}}]),t}()},{"../Constants":2,"../Grammar":7,"../Utils":26,debug:29,events:31}],17:[function(e,t,n){"use strict";var r=function(){function e(e,t){for(var n=0;n"'}return r(e,[{key:"setExtraHeaders",value:function(e){Array.isArray(e)||(e=[]),this._extraHeaders=e.slice()}},{key:"setExtraContactParams",value:function(e){e instanceof Object||(e={}),this._extraContactParams="";for(var t in e)if(Object.prototype.hasOwnProperty.call(e,t)){var n=e[t];this._extraContactParams+=";"+t,n&&(this._extraContactParams+="="+n)}}},{key:"register",value:function(){var e=this;if(this._registering)l("Register request in progress...");else{var t=this._extraHeaders.slice();t.push("Contact: "+this._contact+";expires="+this._expires+this._extraContactParams),t.push("Expires: "+this._expires);var n=new o.OutgoingRequest(s.REGISTER,this._registrar,this._ua,{to_uri:this._to_uri,call_id:this._call_id,cseq:this._cseq+=1},t),r=new a(this._ua,n,{onRequestTimeout:function(){e._registrationFailure(null,s.causes.REQUEST_TIMEOUT)},onTransportError:function(){e._registrationFailure(null,s.causes.CONNECTION_ERROR)},onAuthenticated:function(){e._cseq+=1},onReceiveResponse:function(t){var n=void 0,r=void 0,o=t.getHeaders("contact").length;if(t.cseq===e._cseq)switch(null!==e._registrationTimer&&(clearTimeout(e._registrationTimer),e._registrationTimer=null),!0){case/^1[0-9]{2}$/.test(t.status_code):break;case/^2[0-9]{2}$/.test(t.status_code):if(e._registering=!1,!o){l("no Contact header in response to REGISTER, response ignored");break}for(;o--;){if((n=t.parseHeader("contact",o)).uri.user===e._ua.contact.uri.user){r=n.getParam("expires");break}n=null}if(!n){l("no Contact header pointing to us, response ignored");break}!r&&t.hasHeader("expires")&&(r=t.getHeader("expires")),r||(r=e._expires),(r=Number(r))<10&&(r=10),e._registrationTimer=setTimeout(function(){e._registrationTimer=null,0===e._ua.listeners("registrationExpiring").length?e.register():e._ua.emit("registrationExpiring")},1e3*r-5e3),n.hasParam("temp-gruu")&&(e._ua.contact.temp_gruu=n.getParam("temp-gruu").replace(/"/g,"")),n.hasParam("pub-gruu")&&(e._ua.contact.pub_gruu=n.getParam("pub-gruu").replace(/"/g,"")),e._registered||(e._registered=!0,e._ua.registered({response:t}));break;case/^423$/.test(t.status_code):t.hasHeader("min-expires")?(e._expires=Number(t.getHeader("min-expires")),e._expires<10&&(e._expires=10),e.register()):(l("423 response received for REGISTER without Min-Expires"),e._registrationFailure(t,s.causes.SIP_FAILURE_CODE));break;default:var a=i.sipErrorCause(t.status_code);e._registrationFailure(t,a)}}});this._registering=!0,r.send()}}},{key:"unregister",value:function(){var e=this,t=arguments.length>0&&void 0!==arguments[0]?arguments[0]:{};if(this._registered){this._registered=!1,null!==this._registrationTimer&&(clearTimeout(this._registrationTimer),this._registrationTimer=null);var n=this._extraHeaders.slice();t.all?n.push("Contact: *"+this._extraContactParams):n.push("Contact: "+this._contact+";expires=0"+this._extraContactParams),n.push("Expires: 0");var r=new o.OutgoingRequest(s.REGISTER,this._registrar,this._ua,{to_uri:this._to_uri,call_id:this._call_id,cseq:this._cseq+=1},n);new a(this._ua,r,{onRequestTimeout:function(){e._unregistered(null,s.causes.REQUEST_TIMEOUT)},onTransportError:function(){e._unregistered(null,s.causes.CONNECTION_ERROR)},onAuthenticated:function(){e._cseq+=1},onReceiveResponse:function(t){switch(!0){case/^1[0-9]{2}$/.test(t.status_code):break;case/^2[0-9]{2}$/.test(t.status_code):e._unregistered(t);break;default:var n=i.sipErrorCause(t.status_code);e._unregistered(t,n)}}}).send()}else l("already unregistered")}},{key:"close",value:function(){this._registered&&this.unregister()}},{key:"onTransportClosed",value:function(){this._registering=!1,null!==this._registrationTimer&&(clearTimeout(this._registrationTimer),this._registrationTimer=null),this._registered&&(this._registered=!1,this._ua.unregistered({}))}},{key:"_registrationFailure",value:function(e,t){this._registering=!1,this._ua.registrationFailed({response:e||null,cause:t}),this._registered&&(this._registered=!1,this._ua.unregistered({response:e||null,cause:t}))}},{key:"_unregistered",value:function(e,t){this._registering=!1,this._registered=!1,this._ua.unregistered({response:e||null,cause:t||null})}},{key:"registered",get:function(){return this._registered}}]),e}()},{"./Constants":2,"./RequestSender":18,"./SIPMessage":19,"./Utils":26,debug:29}],18:[function(e,t,n){"use strict";var r=function(){function e(e,t){for(var n=0;n"),this.setHeader("via",""),this.setHeader("max-forwards",l.MAX_FORWARDS);var d=i.to_display_name||0===i.to_display_name?'"'+i.to_display_name+'" ':"";d+="<"+(i.to_uri||n)+">",d+=i.to_tag?";tag="+i.to_tag:"",this.to=c.parse(d),this.setHeader("to",d);var h=void 0;h=i.from_display_name||0===i.from_display_name?'"'+i.from_display_name+'" ':r.configuration.display_name?'"'+r.configuration.display_name+'" ':"",h+="<"+(i.from_uri||r.configuration.uri)+">;tag=",h+=i.from_tag||u.newTag(),this.from=c.parse(h),this.setHeader("from",h);var f=i.call_id||r.configuration.jssip_id+u.createRandomToken(15);this.call_id=f,this.setHeader("call-id",f);var p=i.cseq||Math.floor(1e4*Math.random());this.cseq=p,this.setHeader("cseq",p+" "+t)}return o(e,[{key:"setHeader",value:function(e,t){for(var n=new RegExp("^\\s*"+e+"\\s*:","i"),r=0;r1&&void 0!==arguments[1]?arguments[1]:0;if(e=u.headerize(e),this.headers[e]){if(!(t>=this.headers[e].length)){var n=this.headers[e][t],r=n.raw;if(n.parsed)return n.parsed;var i=d.parse(r,e.replace(/-/g,"_"));return-1===i?(this.headers[e].splice(t,1),void h('error parsing "'+e+'" header field with value "'+r+'"')):(n.parsed=i,i)}h('not so many "'+e+'" headers present')}else h('header "'+e+'" not present')}},{key:"s",value:function(e,t){return this.parseHeader(e,t)}},{key:"setHeader",value:function(e,t){var n={raw:t};this.headers[u.headerize(e)]=[n]}},{key:"parseSDP",value:function(e){return!e&&this.sdp?this.sdp:(this.sdp=a.parse(this.body||""),this.sdp)}},{key:"toString",value:function(){return this.data}}]),e}(),m=function(e){function t(e){s(this,t);var n=r(this,(t.__proto__||Object.getPrototypeOf(t)).call(this));return n.ua=e,n.headers={},n.ruri=null,n.transport=null,n.server_transaction=null,n}return i(t,_),o(t,[{key:"reply",value:function(e,t,n,r,i,s){var o=[],a=this.getHeader("To");if(e=e||null,t=t||null,!e||e<100||e>699)throw new TypeError("Invalid status_code: "+e);if(t&&"string"!=typeof t&&!(t instanceof String))throw new TypeError("Invalid reason_phrase: "+t);t=t||l.REASON_PHRASE[e]||"",n=u.cloneArray(n);var c="SIP/2.0 "+e+" "+t+"\r\n";if(this.method===l.INVITE&&e>100&&e<=200){var d=this.getHeaders("record-route"),h=!0,f=!1,p=void 0;try{for(var _,m=d[Symbol.iterator]();!(h=(_=m.next()).done);h=!0){c+="Record-Route: "+_.value+"\r\n"}}catch(e){f=!0,p=e}finally{try{!h&&m.return&&m.return()}finally{if(f)throw p}}}var v=this.getHeaders("via"),g=!0,y=!1,T=void 0;try{for(var C,S=v[Symbol.iterator]();!(g=(C=S.next()).done);g=!0){c+="Via: "+C.value+"\r\n"}}catch(e){y=!0,T=e}finally{try{!g&&S.return&&S.return()}finally{if(y)throw T}}!this.to_tag&&e>100?a+=";tag="+u.newTag():this.to_tag&&!this.s("to").hasParam("tag")&&(a+=";tag="+this.to_tag),c+="To: "+a+"\r\n",c+="From: "+this.getHeader("From")+"\r\n",c+="Call-ID: "+this.call_id+"\r\n",c+="CSeq: "+this.cseq+" "+this.method+"\r\n";var E=!0,b=!1,R=void 0;try{for(var A,w=n[Symbol.iterator]();!(E=(A=w.next()).done);E=!0){c+=A.value.trim()+"\r\n"}}catch(e){b=!0,R=e}finally{try{!E&&w.return&&w.return()}finally{if(b)throw R}}switch(this.method){case l.INVITE:this.ua.configuration.session_timers&&o.push("timer"),(this.ua.contact.pub_gruu||this.ua.contact.temp_gruu)&&o.push("gruu"),o.push("ice","replaces");break;case l.UPDATE:this.ua.configuration.session_timers&&o.push("timer"),r&&o.push("ice"),o.push("replaces")}if(o.push("outbound"),this.method===l.OPTIONS?(c+="Allow: "+l.ALLOWED_METHODS+"\r\n",c+="Accept: "+l.ACCEPTED_BODY_TYPES+"\r\n"):405===e?c+="Allow: "+l.ALLOWED_METHODS+"\r\n":415===e&&(c+="Accept: "+l.ACCEPTED_BODY_TYPES+"\r\n"),c+="Supported: "+o+"\r\n",r){c+="Content-Type: application/sdp\r\n",c+="Content-Length: "+u.str_utf8_length(r)+"\r\n\r\n",c+=r}else c+="Content-Length: 0\r\n\r\n";this.server_transaction.receiveResponse(e,c,i,s)}},{key:"reply_sl",value:function(){var e=arguments.length>0&&void 0!==arguments[0]?arguments[0]:null,t=arguments.length>1&&void 0!==arguments[1]?arguments[1]:null,n=this.getHeaders("via");if(!e||e<100||e>699)throw new TypeError("Invalid status_code: "+e);if(t&&"string"!=typeof t&&!(t instanceof String))throw new TypeError("Invalid reason_phrase: "+t);var r="SIP/2.0 "+e+" "+(t=t||l.REASON_PHRASE[e]||"")+"\r\n",i=!0,s=!1,o=void 0;try{for(var a,c=n[Symbol.iterator]();!(i=(a=c.next()).done);i=!0){r+="Via: "+a.value+"\r\n"}}catch(e){s=!0,o=e}finally{try{!i&&c.return&&c.return()}finally{if(s)throw o}}var d=this.getHeader("To");!this.to_tag&&e>100?d+=";tag="+u.newTag():this.to_tag&&!this.s("to").hasParam("tag")&&(d+=";tag="+this.to_tag),r+="To: "+d+"\r\n",r+="From: "+this.getHeader("From")+"\r\n",r+="Call-ID: "+this.call_id+"\r\n",r+="CSeq: "+this.cseq+" "+this.method+"\r\n",r+="Content-Length: 0\r\n\r\n",this.transport.send(r)}}]),t}(),v=function(e){function t(){s(this,t);var e=r(this,(t.__proto__||Object.getPrototypeOf(t)).call(this));return e.headers={},e.status_code=null,e.reason_phrase=null,e}return i(t,_),t}();t.exports={OutgoingRequest:f,InitialOutgoingInviteRequest:p,IncomingRequest:m,IncomingResponse:v}},{"./Constants":2,"./Grammar":7,"./NameAddrHeader":10,"./Utils":26,debug:29,"sdp-transform":36}],20:[function(e,t,n){"use strict";var r=e("./Utils"),i=e("./Grammar"),s=e("debug")("JsSIP:ERROR:Socket");s.log=console.warn.bind(console),n.isSocket=function(e){if(Array.isArray(e))return!1;if(void 0===e)return s("undefined JsSIP.Socket instance"),!1;try{if(!r.isString(e.url))throw s("missing or invalid JsSIP.Socket url property"),new Error;if(!r.isString(e.via_transport))throw s("missing or invalid JsSIP.Socket via_transport property"),new Error;if(-1===i.parse(e.sip_uri,"SIP_URI"))throw s("missing or invalid JsSIP.Socket sip_uri property"),new Error}catch(e){return!1}try{["connect","disconnect","send"].forEach(function(t){if(!r.isFunction(e[t]))throw s("missing or invalid JsSIP.Socket method: "+t),new Error})}catch(e){return!1}return!0}},{"./Grammar":7,"./Utils":26,debug:29}],21:[function(e,t,n){"use strict";var r=500;t.exports={T1:r,T2:4e3,T4:5e3,TIMER_B:32e3,TIMER_D:0,TIMER_F:32e3,TIMER_H:32e3,TIMER_I:0,TIMER_J:0,TIMER_K:0,TIMER_L:32e3,TIMER_M:32e3,PROVISIONAL_RESPONSE_INTERVAL:6e4}},{}],22:[function(e,t,n){"use strict";function r(e,t){if(!(e instanceof t))throw new TypeError("Cannot call a class as a function")}function i(e,t){if(!e)throw new ReferenceError("this hasn't been initialised - super() hasn't been called");return!t||"object"!=typeof t&&"function"!=typeof t?e:t}function s(e,t){if("function"!=typeof t&&null!==t)throw new TypeError("Super expression must either be null or a function, not "+typeof t);e.prototype=Object.create(t&&t.prototype,{constructor:{value:e,enumerable:!1,writable:!0,configurable:!0}}),t&&(Object.setPrototypeOf?Object.setPrototypeOf(e,t):e.__proto__=t)}var o=function(){function e(e,t){for(var n=0;n=100&&n<=199)switch(this.state){case m.STATUS_CALLING:this.stateChanged(m.STATUS_PROCEEDING),this.eventHandlers.onReceiveResponse(e);break;case m.STATUS_PROCEEDING:this.eventHandlers.onReceiveResponse(e)}else if(n>=200&&n<=299)switch(this.state){case m.STATUS_CALLING:case m.STATUS_PROCEEDING:this.stateChanged(m.STATUS_ACCEPTED),this.M=setTimeout(function(){t.timer_M()},c.TIMER_M),this.eventHandlers.onReceiveResponse(e);break;case m.STATUS_ACCEPTED:this.eventHandlers.onReceiveResponse(e)}else if(n>=300&&n<=699)switch(this.state){case m.STATUS_CALLING:case m.STATUS_PROCEEDING:this.stateChanged(m.STATUS_COMPLETED),this.sendACK(e),this.eventHandlers.onReceiveResponse(e);break;case m.STATUS_COMPLETED:this.sendACK(e)}}},{key:"C",get:function(){return m}}]),t}(),y=function(e){function t(e,n,s,o){r(this,t);var a=i(this,(t.__proto__||Object.getPrototypeOf(t)).call(this));a.id="z9hG4bK"+Math.floor(1e7*Math.random()),a.transport=n,a.request=s,a.eventHandlers=o;var l="SIP/2.0/"+n.via_transport;return l+=" "+e.configuration.via_host+";branch="+a.id,a.request.setHeader("via",l),a}return s(t,a),o(t,[{key:"send",value:function(){this.transport.send(this.request)||this.onTransportError()}},{key:"onTransportError",value:function(){f("transport error occurred for transaction "+this.id),this.eventHandlers.onTransportError()}},{key:"C",get:function(){return m}}]),t}(),T=function(e){function t(e,n,s){r(this,t);var o=i(this,(t.__proto__||Object.getPrototypeOf(t)).call(this));return o.type=m.NON_INVITE_SERVER,o.id=s.via_branch,o.ua=e,o.transport=n,o.request=s,o.last_response="",s.server_transaction=o,o.state=m.STATUS_TRYING,e.newTransaction(o),o}return s(t,a),o(t,[{key:"stateChanged",value:function(e){this.state=e,this.emit("stateChanged")}},{key:"timer_J",value:function(){p("Timer J expired for transaction "+this.id),this.stateChanged(m.STATUS_TERMINATED),this.ua.destroyTransaction(this)}},{key:"onTransportError",value:function(){this.transportError||(this.transportError=!0,p("transport error occurred, deleting transaction "+this.id),clearTimeout(this.J),this.stateChanged(m.STATUS_TERMINATED),this.ua.destroyTransaction(this))}},{key:"receiveResponse",value:function(e,t,n,r){var i=this;if(100===e)switch(this.state){case m.STATUS_TRYING:this.stateChanged(m.STATUS_PROCEEDING),this.transport.send(t)||this.onTransportError();break;case m.STATUS_PROCEEDING:this.last_response=t,this.transport.send(t)?n&&n():(this.onTransportError(),r&&r())}else if(e>=200&&e<=699)switch(this.state){case m.STATUS_TRYING:case m.STATUS_PROCEEDING:this.stateChanged(m.STATUS_COMPLETED),this.last_response=t,this.J=setTimeout(function(){i.timer_J()},c.TIMER_J),this.transport.send(t)?n&&n():(this.onTransportError(),r&&r());break;case m.STATUS_COMPLETED:}}},{key:"C",get:function(){return m}}]),t}(),C=function(e){function t(e,n,s){r(this,t);var o=i(this,(t.__proto__||Object.getPrototypeOf(t)).call(this));return o.type=m.INVITE_SERVER,o.id=s.via_branch,o.ua=e,o.transport=n,o.request=s,o.last_response="",s.server_transaction=o,o.state=m.STATUS_PROCEEDING,e.newTransaction(o),o.resendProvisionalTimer=null,s.reply(100),o}return s(t,a),o(t,[{key:"stateChanged",value:function(e){this.state=e,this.emit("stateChanged")}},{key:"timer_H",value:function(){_("Timer H expired for transaction "+this.id),this.state===m.STATUS_COMPLETED&&_("ACK not received, dialog will be terminated"),this.stateChanged(m.STATUS_TERMINATED),this.ua.destroyTransaction(this)}},{key:"timer_I",value:function(){this.stateChanged(m.STATUS_TERMINATED)}},{key:"timer_L",value:function(){_("Timer L expired for transaction "+this.id),this.state===m.STATUS_ACCEPTED&&(this.stateChanged(m.STATUS_TERMINATED),this.ua.destroyTransaction(this))}},{key:"onTransportError",value:function(){this.transportError||(this.transportError=!0,_("transport error occurred, deleting transaction "+this.id),null!==this.resendProvisionalTimer&&(clearInterval(this.resendProvisionalTimer),this.resendProvisionalTimer=null),clearTimeout(this.L),clearTimeout(this.H),clearTimeout(this.I),this.stateChanged(m.STATUS_TERMINATED),this.ua.destroyTransaction(this))}},{key:"resend_provisional",value:function(){this.transport.send(this.last_response)||this.onTransportError()}},{key:"receiveResponse",value:function(e,t,n,r){var i=this;if(e>=100&&e<=199)switch(this.state){case m.STATUS_PROCEEDING:this.transport.send(t)||this.onTransportError(),this.last_response=t}if(e>100&&e<=199&&this.state===m.STATUS_PROCEEDING)null===this.resendProvisionalTimer&&(this.resendProvisionalTimer=setInterval(function(){i.resend_provisional()},c.PROVISIONAL_RESPONSE_INTERVAL));else if(e>=200&&e<=299)switch(this.state){case m.STATUS_PROCEEDING:this.stateChanged(m.STATUS_ACCEPTED),this.last_response=t,this.L=setTimeout(function(){i.timer_L()},c.TIMER_L),null!==this.resendProvisionalTimer&&(clearInterval(this.resendProvisionalTimer),this.resendProvisionalTimer=null);case m.STATUS_ACCEPTED:this.transport.send(t)?n&&n():(this.onTransportError(),r&&r())}else if(e>=300&&e<=699)switch(this.state){case m.STATUS_PROCEEDING:null!==this.resendProvisionalTimer&&(clearInterval(this.resendProvisionalTimer),this.resendProvisionalTimer=null),this.transport.send(t)?(this.stateChanged(m.STATUS_COMPLETED),this.H=setTimeout(function(){i.timer_H()},c.TIMER_H),n&&n()):(this.onTransportError(),r&&r())}}},{key:"C",get:function(){return m}}]),t}();t.exports={C:m,NonInviteClientTransaction:v,InviteClientTransaction:g,AckClientTransaction:y,NonInviteServerTransaction:T,InviteServerTransaction:C,checkTransaction:function(e,t){var n=e._transactions,r=void 0;switch(t.method){case l.INVITE:if(r=n.ist[t.via_branch]){switch(r.state){case m.STATUS_PROCEEDING:r.transport.send(r.last_response);break;case m.STATUS_ACCEPTED:}return!0}break;case l.ACK:if(!(r=n.ist[t.via_branch]))return!1;if(r.state===m.STATUS_ACCEPTED)return!1;if(r.state===m.STATUS_COMPLETED)return r.state=m.STATUS_CONFIRMED,r.I=setTimeout(function(){r.timer_I()},c.TIMER_I),!0;break;case l.CANCEL:return(r=n.ist[t.via_branch])?(t.reply_sl(200),r.state!==m.STATUS_PROCEEDING):(t.reply_sl(481),!0);default:if(r=n.nist[t.via_branch]){switch(r.state){case m.STATUS_TRYING:break;case m.STATUS_PROCEEDING:case m.STATUS_COMPLETED:r.transport.send(r.last_response)}return!0}}}}},{"./Constants":2,"./SIPMessage":19,"./Timers":21,debug:29,events:31}],23:[function(e,t,n){"use strict";var r=function(){function e(e,t){for(var n=0;n1&&void 0!==arguments[1]?arguments[1]:a.recovery_options;if(function(e,t){if(!(e instanceof t))throw new TypeError("Cannot call a class as a function")}(this,e),s("new()"),this.status=a.STATUS_DISCONNECTED,this.socket=null,this.sockets=[],this.recovery_options=n,this.recover_attempts=0,this.recovery_timer=null,this.close_requested=!1,void 0===t)throw new TypeError("Invalid argument. undefined 'sockets' argument");t instanceof Array||(t=[t]),t.forEach(function(e){if(!i.isSocket(e.socket))throw new TypeError("Invalid argument. invalid 'JsSIP.Socket' instance");if(e.weight&&!Number(e.weight))throw new TypeError("Invalid argument. 'weight' attribute is not a number");this.sockets.push({socket:e.socket,weight:e.weight||0,status:a.SOCKET_STATUS_READY})},this),this._getSocket()}return r(e,[{key:"connect",value:function(){s("connect()"),this.isConnected()?s("Transport is already connected"):this.isConnecting()?s("Transport is connecting"):(this.close_requested=!1,this.status=a.STATUS_CONNECTING,this.onconnecting({socket:this.socket,attempts:this.recover_attempts}),this.close_requested||(this.socket.onconnect=this._onConnect.bind(this),this.socket.ondisconnect=this._onDisconnect.bind(this),this.socket.ondata=this._onData.bind(this),this.socket.connect()))}},{key:"disconnect",value:function(){s("close()"),this.close_requested=!0,this.recover_attempts=0,this.status=a.STATUS_DISCONNECTED,null!==this.recovery_timer&&(clearTimeout(this.recovery_timer),this.recovery_timer=null),this.socket.onconnect=function(){},this.socket.ondisconnect=function(){},this.socket.ondata=function(){},this.socket.disconnect(),this.ondisconnect()}},{key:"send",value:function(e){if(s("send()"),!this.isConnected())return o("unable to send message, transport is not connected"),!1;var t=e.toString();return s("sending message:\n\n"+t+"\n"),this.socket.send(t)}},{key:"isConnected",value:function(){return this.status===a.STATUS_CONNECTED}},{key:"isConnecting",value:function(){return this.status===a.STATUS_CONNECTING}},{key:"_reconnect",value:function(){var e=this;this.recover_attempts+=1;var t=Math.floor(Math.random()*Math.pow(2,this.recover_attempts)+1);tthis.recovery_options.max_interval&&(t=this.recovery_options.max_interval),s("reconnection attempt: "+this.recover_attempts+". next connection attempt in "+t+" seconds"),this.recovery_timer=setTimeout(function(){e.close_requested||e.isConnected()||e.isConnecting()||(e._getSocket(),e.connect())},1e3*t)}},{key:"_getSocket",value:function(){var e=[];if(this.sockets.forEach(function(t){t.status!==a.SOCKET_STATUS_ERROR&&(0===e.length?e.push(t):t.weight>e[0].weight?e=[t]:t.weight===e[0].weight&&e.push(t))}),0===e.length)return this.sockets.forEach(function(e){e.status=a.SOCKET_STATUS_READY}),void this._getSocket();var t=Math.floor(Math.random()*e.length);this.socket=e[t].socket}},{key:"_onConnect",value:function(){this.recover_attempts=0,this.status=a.STATUS_CONNECTED,null!==this.recovery_timer&&(clearTimeout(this.recovery_timer),this.recovery_timer=null),this.onconnect({socket:this})}},{key:"_onDisconnect",value:function(e,t,n){this.status=a.STATUS_DISCONNECTED,this.ondisconnect({socket:this.socket,error:e,code:t,reason:n}),this.close_requested||(this.sockets.forEach(function(e){this.socket===e.socket&&(e.status=a.SOCKET_STATUS_ERROR)},this),this._reconnect(e))}},{key:"_onData",value:function(e){if("\r\n"!==e){if("string"!=typeof e){try{e=String.fromCharCode.apply(null,new Uint8Array(e))}catch(e){return void s("received binary message failed to be converted into string, message discarded")}s("received binary message:\n\n"+e+"\n")}else s("received text message:\n\n"+e+"\n");this.ondata({transport:this,message:e})}else s("received message with CRLF Keep Alive response")}},{key:"via_transport",get:function(){return this.socket.via_transport}},{key:"url",get:function(){return this.socket.url}},{key:"sip_uri",get:function(){return this.socket.sip_uri}}]),e}()},{"./Socket":20,debug:29}],24:[function(e,t,n){"use strict";var r=function(){function e(e,t){for(var n=0;n0&&void 0!==arguments[0]?arguments[0]:{},t=e.anonymous||null,n=e.outbound||null,r="<";return r+=t?this.temp_gruu||"sip:anonymous@anonymous.invalid;transport=ws":this.pub_gruu||this.uri.toString(),!n||(t?this.temp_gruu:this.pub_gruu)||(r+=";ob"),r+=">"}};var r=["password","realm","ha1","display_name","register"];for(var i in this._configuration)Object.prototype.hasOwnProperty.call(this._configuration,i)&&(-1!==r.indexOf(i)?Object.defineProperty(this._configuration,i,{writable:!0,configurable:!1}):Object.defineProperty(this._configuration,i,{writable:!1,configurable:!1}));y("configuration parameters after validation:");for(var o in this._configuration)if(Object.prototype.hasOwnProperty.call(g.settings,o))switch(o){case"uri":case"registrar_server":y("- "+o+": "+this._configuration[o]);break;case"password":case"ha1":y("- "+o+": NOT SHOWN");break;default:y("- "+o+": "+JSON.stringify(this._configuration[o]))}}},{key:"C",get:function(){return C}},{key:"status",get:function(){return this._status}},{key:"contact",get:function(){return this._contact}},{key:"configuration",get:function(){return this._configuration}},{key:"transport",get:function(){return this._transport}}]),t}()},{"./Config":1,"./Constants":2,"./Exceptions":6,"./Grammar":7,"./Message":9,"./Parser":11,"./RTCSession":12,"./Registrator":17,"./SIPMessage":19,"./Transactions":22,"./Transport":23,"./URI":25,"./Utils":26,"./sanityCheck":28,debug:29,events:31}],25:[function(e,t,n){"use strict";var r=function(){function e(e,t){for(var n=0;n4&&void 0!==arguments[4]?arguments[4]:{},a=arguments.length>5&&void 0!==arguments[5]?arguments[5]:{};if(function(e,t){if(!(e instanceof t))throw new TypeError("Cannot call a class as a function")}(this,e),!r)throw new TypeError('missing or invalid "host" parameter');this._parameters={},this._headers={},this._scheme=t||i.SIP,this._user=n,this._host=r,this._port=s;for(var l in o)Object.prototype.hasOwnProperty.call(o,l)&&this.setParam(l,o[l]);for(var u in a)Object.prototype.hasOwnProperty.call(a,u)&&this.setHeader(u,a[u])}return r(e,null,[{key:"parse",value:function(e){return-1!==(e=o.parse(e,"SIP_URI"))?e:void 0}}]),r(e,[{key:"setParam",value:function(e,t){e&&(this._parameters[e.toLowerCase()]=void 0===t||null===t?null:t.toString())}},{key:"getParam",value:function(e){if(e)return this._parameters[e.toLowerCase()]}},{key:"hasParam",value:function(e){if(e)return this._parameters.hasOwnProperty(e.toLowerCase())&&!0||!1}},{key:"deleteParam",value:function(e){if(e=e.toLowerCase(),this._parameters.hasOwnProperty(e)){var t=this._parameters[e];return delete this._parameters[e],t}}},{key:"clearParams",value:function(){this._parameters={}}},{key:"setHeader",value:function(e,t){this._headers[s.headerize(e)]=Array.isArray(t)?t:[t]}},{key:"getHeader",value:function(e){if(e)return this._headers[s.headerize(e)]}},{key:"hasHeader",value:function(e){if(e)return this._headers.hasOwnProperty(s.headerize(e))&&!0||!1}},{key:"deleteHeader",value:function(e){if(e=s.headerize(e),this._headers.hasOwnProperty(e)){var t=this._headers[e];return delete this._headers[e],t}}},{key:"clearHeaders",value:function(){this._headers={}}},{key:"clone",value:function(){return new e(this._scheme,this._user,this._host,this._port,JSON.parse(JSON.stringify(this._parameters)),JSON.parse(JSON.stringify(this._headers)))}},{key:"toString",value:function(){var e=[],t=this._scheme+":";this._user&&(t+=s.escapeUser(this._user)+"@"),t+=this._host,(this._port||0===this._port)&&(t+=":"+this._port);for(var n in this._parameters)Object.prototype.hasOwnProperty.call(this._parameters,n)&&(t+=";"+n,null!==this._parameters[n]&&(t+="="+this._parameters[n]));for(var r in this._headers)if(Object.prototype.hasOwnProperty.call(this._headers,r)){var i=!0,o=!1,a=void 0;try{for(var l,u=this._headers[r][Symbol.iterator]();!(i=(l=u.next()).done);i=!0){var c=l.value;e.push(r+"="+c)}}catch(e){o=!0,a=e}finally{try{!i&&u.return&&u.return()}finally{if(o)throw a}}}return e.length>0&&(t+="?"+e.join("&")),t}},{key:"toAor",value:function(e){var t=this._scheme+":";return this._user&&(t+=s.escapeUser(this._user)+"@"),t+=this._host,e&&(this._port||0===this._port)&&(t+=":"+this._port),t}},{key:"scheme",get:function(){return this._scheme},set:function(e){this._scheme=e.toLowerCase()}},{key:"user",get:function(){return this._user},set:function(e){this._user=e}},{key:"host",get:function(){return this._host},set:function(e){this._host=e.toLowerCase()}},{key:"port",get:function(){return this._port},set:function(e){this._port=0===e?e:parseInt(e,10)||null}}]),e}()},{"./Constants":2,"./Grammar":7,"./Utils":26}],26:[function(e,t,n){"use strict";var r="function"==typeof Symbol&&"symbol"==typeof Symbol.iterator?function(e){return typeof e}:function(e){return e&&"function"==typeof Symbol&&e.constructor===Symbol&&e!==Symbol.prototype?"symbol":typeof e},i=e("./Constants"),s=e("./URI"),o=e("./Grammar");n.str_utf8_length=function(e){return unescape(encodeURIComponent(e)).length};var a=n.isFunction=function(e){return void 0!==e&&"[object Function]"===Object.prototype.toString.call(e)};n.isString=function(e){return void 0!==e&&"[object String]"===Object.prototype.toString.call(e)},n.isDecimal=function(e){return!isNaN(e)&&parseFloat(e)===parseInt(e,10)},n.isEmpty=function(e){return null===e||""===e||void 0===e||Array.isArray(e)&&0===e.length||"number"==typeof e&&isNaN(e)},n.hasMethods=function(e){for(var t=arguments.length,n=Array(t>1?t-1:0),r=1;r1&&void 0!==arguments[1]?arguments[1]:32,n=void 0,r="";for(n=0;n>>32-t}function n(e,t){var n=2147483648&e,r=2147483648&t,i=1073741824&e,s=1073741824&t,o=(1073741823&e)+(1073741823&t);return i&s?2147483648^o^n^r:i|s?1073741824&o?3221225472^o^n^r:1073741824^o^n^r:o^n^r}function r(e,r,i,s,o,a,l){return e=n(e,n(n(function(e,t,n){return e&t|~e&n}(r,i,s),o),l)),n(t(e,a),r)}function i(e,r,i,s,o,a,l){return e=n(e,n(n(function(e,t,n){return e&n|t&~n}(r,i,s),o),l)),n(t(e,a),r)}function s(e,r,i,s,o,a,l){return e=n(e,n(n(function(e,t,n){return e^t^n}(r,i,s),o),l)),n(t(e,a),r)}function o(e,r,i,s,o,a,l){return e=n(e,n(n(function(e,t,n){return t^(e|~n)}(r,i,s),o),l)),n(t(e,a),r)}function a(e){var t="",n="",r=void 0;for(r=0;r<=3;r++)t+=(n="0"+(e>>>8*r&255).toString(16)).substr(n.length-2,2);return t}var l=[],u=void 0,c=void 0,d=void 0,h=void 0,f=void 0,p=void 0,_=void 0,m=void 0,v=void 0;for(l=function(e){for(var t=void 0,n=e.length,r=n+8,i=16*((r-r%64)/64+1),s=new Array(i-1),o=0,a=0;a>>29,s}(e=function(e){e=e.replace(/\r\n/g,"\n");for(var t="",n=0;n127&&r<2048?(t+=String.fromCharCode(r>>6|192),t+=String.fromCharCode(63&r|128)):(t+=String.fromCharCode(r>>12|224),t+=String.fromCharCode(r>>6&63|128),t+=String.fromCharCode(63&r|128))}return t}(e)),p=1732584193,_=4023233417,m=2562383102,v=271733878,u=0;u1)return a("more than one Via header field present in the response, dropping the response"),!1},function(){if(o.str_utf8_length(d.body)=31||"undefined"!=typeof navigator&&navigator.userAgent&&navigator.userAgent.toLowerCase().match(/applewebkit\/(\d+)/))},n.storage="undefined"!=typeof chrome&&void 0!==chrome.storage?chrome.storage.local:function(){try{return 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t,n;if(!this._events)return this;if(!this._events.removeListener)return 0===arguments.length?this._events={}:this._events[e]&&delete this._events[e],this;if(0===arguments.length){for(t in this._events)"removeListener"!==t&&this.removeAllListeners(t);return this.removeAllListeners("removeListener"),this._events={},this}if(n=this._events[e],i(n))this.removeListener(e,n);else if(n)for(;n.length;)this.removeListener(e,n[n.length-1]);return delete this._events[e],this},r.prototype.listeners=function(e){return this._events&&this._events[e]?i(this._events[e])?[this._events[e]]:this._events[e].slice():[]},r.prototype.listenerCount=function(e){if(this._events){var t=this._events[e];if(i(t))return 1;if(t)return t.length}return 0},r.listenerCount=function(e,t){return e.listenerCount(t)}},{}],32:[function(e,t,n){function r(e,t,n){if(!(e0)return function(e){if(!((e=String(e)).length>100)){var t=/^((?:\d+)?\.?\d+) 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not been defined")}function i(){throw new Error("clearTimeout has not been defined")}function s(e){if(c===setTimeout)return setTimeout(e,0);if((c===r||!c)&&setTimeout)return c=setTimeout,setTimeout(e,0);try{return c(e,0)}catch(t){try{return c.call(null,e,0)}catch(t){return c.call(this,e,0)}}}function o(){_&&f&&(_=!1,f.length?p=f.concat(p):m=-1,p.length&&a())}function a(){if(!_){var e=s(o);_=!0;for(var t=p.length;t;){for(f=p,p=[];++m1)for(var n=1;n=14393&&-1===e.indexOf("?transport=udp"):(n=!0,!0)}),delete e.url,e.urls=i?r[0]:r,!!r.length}})}(n.iceServers||[],t),this._iceGatherers=[],n.iceCandidatePoolSize)for(var s=n.iceCandidatePoolSize;s>0;s--)this._iceGatherers=new e.RTCIceGatherer({iceServers:n.iceServers,gatherPolicy:n.iceTransportPolicy});else n.iceCandidatePoolSize=0;this._config=n,this.transceivers=[],this._sdpSessionId=c.generateSessionId(),this._sdpSessionVersion=0,this._dtlsRole=void 0,this._isClosed=!1};n.prototype.onicecandidate=null,n.prototype.onaddstream=null,n.prototype.ontrack=null,n.prototype.onremovestream=null,n.prototype.onsignalingstatechange=null,n.prototype.oniceconnectionstatechange=null,n.prototype.onicegatheringstatechange=null,n.prototype.onnegotiationneeded=null,n.prototype.ondatachannel=null,n.prototype._dispatchEvent=function(e,t){this._isClosed||(this.dispatchEvent(t),"function"==typeof this["on"+e]&&this["on"+e](t))},n.prototype._emitGatheringStateChange=function(){var e=new Event("icegatheringstatechange");this._dispatchEvent("icegatheringstatechange",e)},n.prototype.getConfiguration=function(){return this._config},n.prototype.getLocalStreams=function(){return this.localStreams},n.prototype.getRemoteStreams=function(){return this.remoteStreams},n.prototype._createTransceiver=function(e){var t=this.transceivers.length>0,n={track:null,iceGatherer:null,iceTransport:null,dtlsTransport:null,localCapabilities:null,remoteCapabilities:null,rtpSender:null,rtpReceiver:null,kind:e,mid:null,sendEncodingParameters:null,recvEncodingParameters:null,stream:null,associatedRemoteMediaStreams:[],wantReceive:!0};if(this.usingBundle&&t)n.iceTransport=this.transceivers[0].iceTransport,n.dtlsTransport=this.transceivers[0].dtlsTransport;else{var r=this._createIceAndDtlsTransports();n.iceTransport=r.iceTransport,n.dtlsTransport=r.dtlsTransport}return this.transceivers.push(n),n},n.prototype.addTrack=function(t,n){if(this.transceivers.find(function(e){return e.track===t}))throw u("InvalidAccessError","Track already exists.");if("closed"===this.signalingState)throw u("InvalidStateError","Attempted to call addTrack on a closed peerconnection.");for(var r,i=0;i=15025)e.getTracks().forEach(function(t){n.addTrack(t,e)});else{var r=e.clone();e.getTracks().forEach(function(e,t){var n=r.getTracks()[t];e.addEventListener("enabled",function(e){n.enabled=e.enabled})}),r.getTracks().forEach(function(e){n.addTrack(e,r)})}},n.prototype.removeTrack=function(t){if(!(t instanceof e.RTCRtpSender))throw new TypeError("Argument 1 of RTCPeerConnection.removeTrack does not implement interface RTCRtpSender.");var n=this.transceivers.find(function(e){return e.rtpSender===t});if(!n)throw u("InvalidAccessError","Sender was not created by this connection.");var r=n.stream;n.rtpSender.stop(),n.rtpSender=null,n.track=null,n.stream=null;-1===this.transceivers.map(function(e){return e.stream}).indexOf(r)&&this.localStreams.indexOf(r)>-1&&this.localStreams.splice(this.localStreams.indexOf(r),1),this._maybeFireNegotiationNeeded()},n.prototype.removeStream=function(e){var t=this;e.getTracks().forEach(function(e){var n=t.getSenders().find(function(t){return t.track===e});n&&t.removeTrack(n)})},n.prototype.getSenders=function(){return this.transceivers.filter(function(e){return!!e.rtpSender}).map(function(e){return e.rtpSender})},n.prototype.getReceivers=function(){return this.transceivers.filter(function(e){return!!e.rtpReceiver}).map(function(e){return e.rtpReceiver})},n.prototype._createIceGatherer=function(t,n){var r=this;if(n&&t>0)return this.transceivers[0].iceGatherer;if(this._iceGatherers.length)return this._iceGatherers.shift();var i=new e.RTCIceGatherer({iceServers:this._config.iceServers,gatherPolicy:this._config.iceTransportPolicy});return Object.defineProperty(i,"state",{value:"new",writable:!0}),this.transceivers[t].candidates=[],this.transceivers[t].bufferCandidates=function(e){var n=!e.candidate||0===Object.keys(e.candidate).length;i.state=n?"completed":"gathering",null!==r.transceivers[t].candidates&&r.transceivers[t].candidates.push(e.candidate)},i.addEventListener("localcandidate",this.transceivers[t].bufferCandidates),i},n.prototype._gather=function(t,n){var r=this,i=this.transceivers[n].iceGatherer;if(!i.onlocalcandidate){var s=this.transceivers[n].candidates;this.transceivers[n].candidates=null,i.removeEventListener("localcandidate",this.transceivers[n].bufferCandidates),i.onlocalcandidate=function(e){if(!(r.usingBundle&&n>0)){var s=new Event("icecandidate");s.candidate={sdpMid:t,sdpMLineIndex:n};var o=e.candidate,a=!o||0===Object.keys(o).length;a?"new"!==i.state&&"gathering"!==i.state||(i.state="completed"):("new"===i.state&&(i.state="gathering"),o.component=1,s.candidate.candidate=c.writeCandidate(o));var l=c.splitSections(r.localDescription.sdp);l[s.candidate.sdpMLineIndex+1]+=a?"a=end-of-candidates\r\n":"a="+s.candidate.candidate+"\r\n",r.localDescription.sdp=l.join("");var u=r.transceivers.every(function(e){return e.iceGatherer&&"completed"===e.iceGatherer.state});"gathering"!==r.iceGatheringState&&(r.iceGatheringState="gathering",r._emitGatheringStateChange()),a||r._dispatchEvent("icecandidate",s),u&&(r._dispatchEvent("icecandidate",new Event("icecandidate")),r.iceGatheringState="complete",r._emitGatheringStateChange())}},e.setTimeout(function(){s.forEach(function(e){var t=new Event("RTCIceGatherEvent");t.candidate=e,i.onlocalcandidate(t)})},0)}},n.prototype._createIceAndDtlsTransports=function(){var t=this,n=new e.RTCIceTransport(null);n.onicestatechange=function(){t._updateConnectionState()};var r=new e.RTCDtlsTransport(n);return r.ondtlsstatechange=function(){t._updateConnectionState()},r.onerror=function(){Object.defineProperty(r,"state",{value:"failed",writable:!0}),t._updateConnectionState()},{iceTransport:n,dtlsTransport:r}},n.prototype._disposeIceAndDtlsTransports=function(e){var t=this.transceivers[e].iceGatherer;t&&(delete t.onlocalcandidate,delete this.transceivers[e].iceGatherer);var n=this.transceivers[e].iceTransport;n&&(delete n.onicestatechange,delete this.transceivers[e].iceTransport);var r=this.transceivers[e].dtlsTransport;r&&(delete r.ondtlsstatechange,delete r.onerror,delete this.transceivers[e].dtlsTransport)},n.prototype._transceive=function(e,n,r){var s=i(e.localCapabilities,e.remoteCapabilities);n&&e.rtpSender&&(s.encodings=e.sendEncodingParameters,s.rtcp={cname:c.localCName,compound:e.rtcpParameters.compound},e.recvEncodingParameters.length&&(s.rtcp.ssrc=e.recvEncodingParameters[0].ssrc),e.rtpSender.send(s)),r&&e.rtpReceiver&&s.codecs.length>0&&("video"===e.kind&&e.recvEncodingParameters&&t<15019&&e.recvEncodingParameters.forEach(function(e){delete e.rtx}),e.recvEncodingParameters.length&&(s.encodings=e.recvEncodingParameters),s.rtcp={compound:e.rtcpParameters.compound},e.rtcpParameters.cname&&(s.rtcp.cname=e.rtcpParameters.cname),e.sendEncodingParameters.length&&(s.rtcp.ssrc=e.sendEncodingParameters[0].ssrc),e.rtpReceiver.receive(s))},n.prototype.setLocalDescription=function(e){var t=this;if(!s("setLocalDescription",e.type,this.signalingState)||this._isClosed)return Promise.reject(u("InvalidStateError","Can not set local "+e.type+" in state "+t.signalingState));var n,r;if("offer"===e.type)n=c.splitSections(e.sdp),r=n.shift(),n.forEach(function(e,n){var r=c.parseRtpParameters(e);t.transceivers[n].localCapabilities=r}),this.transceivers.forEach(function(e,n){t._gather(e.mid,n)});else if("answer"===e.type){n=c.splitSections(t.remoteDescription.sdp),r=n.shift();var o=c.matchPrefix(r,"a=ice-lite").length>0;n.forEach(function(e,n){var s=t.transceivers[n],a=s.iceGatherer,l=s.iceTransport,u=s.dtlsTransport,d=s.localCapabilities,h=s.remoteCapabilities;if(!(c.isRejected(e)&&0===c.matchPrefix(e,"a=bundle-only").length)&&!s.isDatachannel){var f=c.getIceParameters(e,r),p=c.getDtlsParameters(e,r);o&&(p.role="server"),t.usingBundle&&0!==n||(t._gather(s.mid,n),"new"===l.state&&l.start(a,f,o?"controlling":"controlled"),"new"===u.state&&u.start(p));var _=i(d,h);t._transceive(s,_.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+'"')}return Promise.resolve()},n.prototype.setRemoteDescription=function(n){var r=this;if(!s("setRemoteDescription",n.type,this.signalingState)||this._isClosed)return Promise.reject(u("InvalidStateError","Can not set remote "+n.type+" in state "+r.signalingState));var i={};this.remoteStreams.forEach(function(e){i[e.id]=e});var d=[],h=c.splitSections(n.sdp),f=h.shift(),p=c.matchPrefix(f,"a=ice-lite").length>0,_=c.matchPrefix(f,"a=group:BUNDLE ").length>0;this.usingBundle=_;var m=c.matchPrefix(f,"a=ice-options:")[0];switch(this.canTrickleIceCandidates=!!m&&m.substr(14).split(" ").indexOf("trickle")>=0,h.forEach(function(s,l){var u=c.splitLines(s),h=c.getKind(s),m=c.isRejected(s)&&0===c.matchPrefix(s,"a=bundle-only").length,v=u[0].substr(2).split(" ")[2],g=c.getDirection(s,f),y=c.parseMsid(s),T=c.getMid(s)||c.generateIdentifier();if("application"!==h||"DTLS/SCTP"!==v){var C,S,E,b,R,A,w,I,k,P,O,x=c.parseRtpParameters(s);m||(P=c.getIceParameters(s,f),(O=c.getDtlsParameters(s,f)).role="client"),w=c.parseRtpEncodingParameters(s);var N=c.parseRtcpParameters(s),D=c.matchPrefix(s,"a=end-of-candidates",f).length>0,U=c.matchPrefix(s,"a=candidate:").map(function(e){return c.parseCandidate(e)}).filter(function(e){return 1===e.component});if(("offer"===n.type||"answer"===n.type)&&!m&&_&&l>0&&r.transceivers[l]&&(r._disposeIceAndDtlsTransports(l),r.transceivers[l].iceGatherer=r.transceivers[0].iceGatherer,r.transceivers[l].iceTransport=r.transceivers[0].iceTransport,r.transceivers[l].dtlsTransport=r.transceivers[0].dtlsTransport,r.transceivers[l].rtpSender&&r.transceivers[l].rtpSender.setTransport(r.transceivers[0].dtlsTransport),r.transceivers[l].rtpReceiver&&r.transceivers[l].rtpReceiver.setTransport(r.transceivers[0].dtlsTransport)),"offer"!==n.type||m)"answer"!==n.type||m||(S=(C=r.transceivers[l]).iceGatherer,E=C.iceTransport,b=C.dtlsTransport,R=C.rtpReceiver,A=C.sendEncodingParameters,I=C.localCapabilities,r.transceivers[l].recvEncodingParameters=w,r.transceivers[l].remoteCapabilities=x,r.transceivers[l].rtcpParameters=N,U.length&&"new"===E.state&&(!p&&!D||_&&0!==l?U.forEach(function(e){o(C.iceTransport,e)}):E.setRemoteCandidates(U)),_&&0!==l||("new"===E.state&&E.start(S,P,"controlling"),"new"===b.state&&b.start(O)),r._transceive(C,"sendrecv"===g||"recvonly"===g,"sendrecv"===g||"sendonly"===g),!R||"sendrecv"!==g&&"sendonly"!==g?delete C.rtpReceiver:(k=R.track,y?(i[y.stream]||(i[y.stream]=new e.MediaStream),a(k,i[y.stream]),d.push([k,R,i[y.stream]])):(i.default||(i.default=new e.MediaStream),a(k,i.default),d.push([k,R,i.default]))));else{(C=r.transceivers[l]||r._createTransceiver(h)).mid=T,C.iceGatherer||(C.iceGatherer=r._createIceGatherer(l,_)),U.length&&"new"===C.iceTransport.state&&(!D||_&&0!==l?U.forEach(function(e){o(C.iceTransport,e)}):C.iceTransport.setRemoteCandidates(U)),I=e.RTCRtpReceiver.getCapabilities(h),t<15019&&(I.codecs=I.codecs.filter(function(e){return"rtx"!==e.name})),A=C.sendEncodingParameters||[{ssrc:1001*(2*l+2)}];var M=!1;if("sendrecv"===g||"sendonly"===g){if(M=!C.rtpReceiver,R=C.rtpReceiver||new e.RTCRtpReceiver(C.dtlsTransport,h),M){var L;k=R.track,y&&"-"===y.stream||(y?(i[y.stream]||(i[y.stream]=new e.MediaStream,Object.defineProperty(i[y.stream],"id",{get:function(){return y.stream}})),Object.defineProperty(k,"id",{get:function(){return y.track}}),L=i[y.stream]):(i.default||(i.default=new e.MediaStream),L=i.default)),L&&(a(k,L),C.associatedRemoteMediaStreams.push(L)),d.push([k,R,L])}}else C.rtpReceiver&&C.rtpReceiver.track&&(C.associatedRemoteMediaStreams.forEach(function(e){var t=e.getTracks().find(function(e){return e.id===C.rtpReceiver.track.id});t&&function(e,t){t.removeTrack(e);var n=new Event("removetrack");n.track=e,t.dispatchEvent(n)}(t,e)}),C.associatedRemoteMediaStreams=[]);C.localCapabilities=I,C.remoteCapabilities=x,C.rtpReceiver=R,C.rtcpParameters=N,C.sendEncodingParameters=A,C.recvEncodingParameters=w,r._transceive(r.transceivers[l],!1,M)}}else r.transceivers[l]={mid:T,isDatachannel:!0}}),void 0===this._dtlsRole&&(this._dtlsRole="offer"===n.type?"active":"passive"),this.remoteDescription={type:n.type,sdp:n.sdp},n.type){case"offer":this._updateSignalingState("have-remote-offer");break;case"answer":this._updateSignalingState("stable");break;default:throw new TypeError('unsupported type "'+n.type+'"')}return Object.keys(i).forEach(function(t){var n=i[t];if(n.getTracks().length){if(-1===r.remoteStreams.indexOf(n)){r.remoteStreams.push(n);var s=new Event("addstream");s.stream=n,e.setTimeout(function(){r._dispatchEvent("addstream",s)})}d.forEach(function(e){var t=e[0],i=e[1];n.id===e[2].id&&l(r,t,i,[n])})}}),d.forEach(function(e){e[2]||l(r,e[0],e[1],[])}),e.setTimeout(function(){r&&r.transceivers&&r.transceivers.forEach(function(e){e.iceTransport&&"new"===e.iceTransport.state&&e.iceTransport.getRemoteCandidates().length>0&&(console.warn("Timeout for addRemoteCandidate. Consider sending an end-of-candidates notification"),e.iceTransport.addRemoteCandidate({}))})},4e3),Promise.resolve()},n.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._isClosed=!0,this._updateSignalingState("closed")},n.prototype._updateSignalingState=function(e){this.signalingState=e;var t=new Event("signalingstatechange");this._dispatchEvent("signalingstatechange",t)},n.prototype._maybeFireNegotiationNeeded=function(){var t=this;"stable"===this.signalingState&&!0!==this.needNegotiation&&(this.needNegotiation=!0,e.setTimeout(function(){if(!1!==t.needNegotiation){t.needNegotiation=!1;var e=new Event("negotiationneeded");t._dispatchEvent("negotiationneeded",e)}},0))},n.prototype._updateConnectionState=function(){var e,t={new:0,closed:0,connecting:0,checking:0,connected:0,completed:0,disconnected:0,failed:0};if(this.transceivers.forEach(function(e){t[e.iceTransport.state]++,t[e.dtlsTransport.state]++}),t.connected+=t.completed,e="new",t.failed>0?e="failed":t.connecting>0||t.checking>0?e="connecting":t.disconnected>0?e="disconnected":t.new>0?e="new":(t.connected>0||t.completed>0)&&(e="connected"),e!==this.iceConnectionState){this.iceConnectionState=e;var n=new Event("iceconnectionstatechange");this._dispatchEvent("iceconnectionstatechange",n)}},n.prototype.createOffer=function(){var n=this;if(this._isClosed)return Promise.reject(u("InvalidStateError","Can not call createOffer after close"));var i=this.transceivers.filter(function(e){return"audio"===e.kind}).length,s=this.transceivers.filter(function(e){return"video"===e.kind}).length,o=arguments[0];if(o){if(o.mandatory||o.optional)throw new TypeError("Legacy mandatory/optional constraints not supported.");void 0!==o.offerToReceiveAudio&&(i=!0===o.offerToReceiveAudio?1:!1===o.offerToReceiveAudio?0:o.offerToReceiveAudio),void 0!==o.offerToReceiveVideo&&(s=!0===o.offerToReceiveVideo?1:!1===o.offerToReceiveVideo?0:o.offerToReceiveVideo)}for(this.transceivers.forEach(function(e){"audio"===e.kind?--i<0&&(e.wantReceive=!1):"video"===e.kind&&--s<0&&(e.wantReceive=!1)});i>0||s>0;)i>0&&(this._createTransceiver("audio"),i--),s>0&&(this._createTransceiver("video"),s--);var a=c.writeSessionBoilerplate(this._sdpSessionId,this._sdpSessionVersion++);this.transceivers.forEach(function(r,i){var s=r.track,o=r.kind,a=c.generateIdentifier();r.mid=a,r.iceGatherer||(r.iceGatherer=n._createIceGatherer(i,n.usingBundle));var l=e.RTCRtpSender.getCapabilities(o);t<15019&&(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=r.sendEncodingParameters||[{ssrc:1001*(2*i+1)}];s&&t>=15019&&"video"===o&&!u[0].rtx&&(u[0].rtx={ssrc:u[0].ssrc+1}),r.wantReceive&&(r.rtpReceiver=new e.RTCRtpReceiver(r.dtlsTransport,o)),r.localCapabilities=l,r.sendEncodingParameters=u}),"max-compat"!==this._config.bundlePolicy&&(a+="a=group:BUNDLE "+this.transceivers.map(function(e){return e.mid}).join(" ")+"\r\n"),a+="a=ice-options:trickle\r\n",this.transceivers.forEach(function(e,t){a+=r(e,e.localCapabilities,"offer",e.stream,n._dtlsRole),a+="a=rtcp-rsize\r\n",!e.iceGatherer||"new"===n.iceGatheringState||0!==t&&n.usingBundle||(e.iceGatherer.getLocalCandidates().forEach(function(e){e.component=1,a+="a="+c.writeCandidate(e)+"\r\n"}),"completed"===e.iceGatherer.state&&(a+="a=end-of-candidates\r\n"))});var l=new e.RTCSessionDescription({type:"offer",sdp:a});return Promise.resolve(l)},n.prototype.createAnswer=function(){var n=this;if(this._isClosed)return Promise.reject(u("InvalidStateError","Can not call createAnswer after close"));var s=c.writeSessionBoilerplate(this._sdpSessionId,this._sdpSessionVersion++);this.usingBundle&&(s+="a=group:BUNDLE "+this.transceivers.map(function(e){return e.mid}).join(" ")+"\r\n");var o=c.splitSections(this.remoteDescription.sdp).length-1;this.transceivers.forEach(function(e,a){if(!(a+1>o))if(e.isDatachannel)s+="m=application 0 DTLS/SCTP 5000\r\nc=IN IP4 0.0.0.0\r\na=mid:"+e.mid+"\r\n";else{if(e.stream){var l;"audio"===e.kind?l=e.stream.getAudioTracks()[0]:"video"===e.kind&&(l=e.stream.getVideoTracks()[0]),l&&t>=15019&&"video"===e.kind&&!e.sendEncodingParameters[0].rtx&&(e.sendEncodingParameters[0].rtx={ssrc:e.sendEncodingParameters[0].ssrc+1})}var u=i(e.localCapabilities,e.remoteCapabilities);!u.codecs.filter(function(e){return"rtx"===e.name.toLowerCase()}).length&&e.sendEncodingParameters[0].rtx&&delete e.sendEncodingParameters[0].rtx,s+=r(e,u,"answer",e.stream,n._dtlsRole),e.rtcpParameters&&e.rtcpParameters.reducedSize&&(s+="a=rtcp-rsize\r\n")}});var a=new e.RTCSessionDescription({type:"answer",sdp:s});return Promise.resolve(a)},n.prototype.addIceCandidate=function(e){var t;if(e&&""!==e.candidate){if(void 0===e.sdpMLineIndex&&!e.sdpMid)throw new TypeError("sdpMLineIndex or sdpMid required");if(!this.remoteDescription)return Promise.reject(u("InvalidStateError","Can not add ICE candidate without a remote description"));var n=e.sdpMLineIndex;if(e.sdpMid)for(var r=0;r0?c.parseCandidate(e.candidate):{};if("tcp"===s.protocol&&(0===s.port||9===s.port))return Promise.resolve();if(s.component&&1!==s.component)return Promise.resolve();if((0===n||n>0&&i.iceTransport!==this.transceivers[0].iceTransport)&&!o(i.iceTransport,s))return Promise.reject(u("OperationError","Can not add ICE candidate"));var a=e.candidate.trim();0===a.indexOf("a=")&&(a=a.substr(2)),(t=c.splitSections(this.remoteDescription.sdp))[n+1]+="a="+(s.type?a:"end-of-candidates")+"\r\n",this.remoteDescription.sdp=t.join("")}else for(var l=0;l=r)return e;var i=n[t];switch(t+=1,e){case"%%":return"%";case"%s":return String(i);case"%d":return Number(i);case"%v":return""}})}.apply(null,r)},o=["v","o","s","i","u","e","p","c","b","t","r","z","a"],a=["i","c","b","a"];t.exports=function(e,t){t=t||{},null==e.version&&(e.version=0),null==e.name&&(e.name=" "),e.media.forEach(function(e){null==e.payloads&&(e.payloads="")});var n=t.outerOrder||o,i=t.innerOrder||a,l=[];return n.forEach(function(t){r[t].forEach(function(n){n.name in e&&null!=e[n.name]?l.push(s(t,n,e)):n.push in e&&null!=e[n.push]&&e[n.push].forEach(function(e){l.push(s(t,n,e))})})}),e.media.forEach(function(e){l.push(s("m",r.m[0],e)),i.forEach(function(t){r[t].forEach(function(n){n.name in e&&null!=e[n.name]?l.push(s(t,n,e)):n.push in e&&null!=e[n.push]&&e[n.push].forEach(function(e){l.push(s(t,n,e))})})})}),l.join("\r\n")+"\r\n"}},{"./grammar":35}],39:[function(e,t,n){"use strict";var r={};r.generateIdentifier=function(){return Math.random().toString(36).substr(2,10)},r.localCName=r.generateIdentifier(),r.splitLines=function(e){return e.trim().split("\n").map(function(e){return e.trim()})},r.splitSections=function(e){return e.split("\nm=").map(function(e,t){return(t>0?"m="+e:e).trim()+"\r\n"})},r.matchPrefix=function(e,t){return r.splitLines(e).filter(function(e){return 0===e.indexOf(t)})},r.parseCandidate=function(e){for(var t,n={foundation:(t=0===e.indexOf("a=candidate:")?e.substring(12).split(" "):e.substring(10).split(" "))[0],component:parseInt(t[1],10),protocol:t[2].toLowerCase(),priority:parseInt(t[3],10),ip:t[4],port:parseInt(t[5],10),type:t[7]},r=8;r0?t[0].split("/")[1]:"sendrecv",uri:t[1]}},r.writeExtmap=function(e){return"a=extmap:"+(e.id||e.preferredId)+(e.direction&&"sendrecv"!==e.direction?"/"+e.direction:"")+" "+e.uri+"\r\n"},r.parseFmtp=function(e){for(var t,n={},r=e.substr(e.indexOf(" ")+1).split(";"),i=0;i-1?(n.attribute=e.substr(t+1,r-t-1),n.value=e.substr(r+1)):n.attribute=e.substr(t+1),n},r.getMid=function(e){var t=r.matchPrefix(e,"a=mid:")[0];if(t)return t.substr(6)},r.parseFingerprint=function(e){var t=e.substr(14).split(" ");return{algorithm:t[0].toLowerCase(),value:t[1]}},r.getDtlsParameters=function(e,t){return{role:"auto",fingerprints:r.matchPrefix(e+t,"a=fingerprint:").map(r.parseFingerprint)}},r.writeDtlsParameters=function(e,t){var n="a=setup:"+t+"\r\n";return e.fingerprints.forEach(function(e){n+="a=fingerprint:"+e.algorithm+" "+e.value+"\r\n"}),n},r.getIceParameters=function(e,t){var n=r.splitLines(e);return{usernameFragment:(n=n.concat(r.splitLines(t))).filter(function(e){return 0===e.indexOf("a=ice-ufrag:")})[0].substr(12),password:n.filter(function(e){return 0===e.indexOf("a=ice-pwd:")})[0].substr(10)}},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)[0].split(" "),i=3;i0?"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 IP4 0.0.0.0\r\n",t.codecs.forEach(function(e){n+=r.writeRtpMap(e),n+=r.writeFmtp(e),n+=r.writeRtcpFb(e)});var i=0;return t.codecs.forEach(function(e){e.maxptime>i&&(i=e.maxptime)}),i>0&&(n+="a=maxptime:"+i+"\r\n"),n+="a=rtcp-mux\r\n",t.headerExtensions.forEach(function(e){n+=r.writeExtmap(e)}),n},r.parseRtpEncodingParameters=function(e){var t,n=[],i=r.parseRtpParameters(e),s=-1!==i.fecMechanisms.indexOf("RED"),o=-1!==i.fecMechanisms.indexOf("ULPFEC"),a=r.matchPrefix(e,"a=ssrc:").map(function(e){return r.parseSsrcMedia(e)}).filter(function(e){return"cname"===e.attribute}),l=a.length>0&&a[0].ssrc,u=r.matchPrefix(e,"a=ssrc-group:FID").map(function(e){var t=e.split(" ");return t.shift(),t.map(function(e){return parseInt(e,10)})});u.length>0&&u[0].length>1&&u[0][0]===l&&(t=u[0][1]),i.codecs.forEach(function(e){if("RTX"===e.name.toUpperCase()&&e.parameters.apt){var r={ssrc:l,codecPayloadType:parseInt(e.parameters.apt,10),rtx:{ssrc:t}};n.push(r),s&&((r=JSON.parse(JSON.stringify(r))).fec={ssrc:t,mechanism:o?"red+ulpfec":"red"},n.push(r))}}),0===n.length&&l&&n.push({ssrc:l});var c=r.matchPrefix(e,"b=");return c.length&&(c=0===c[0].indexOf("b=TIAS:")?parseInt(c[0].substr(7),10):0===c[0].indexOf("b=AS:")?1e3*parseInt(c[0].substr(5),10)*.95-16e3:void 0,n.forEach(function(e){e.maxBitrate=c})),n},r.parseRtcpParameters=function(e){var t={},n=r.matchPrefix(e,"a=ssrc:").map(function(e){return r.parseSsrcMedia(e)}).filter(function(e){return"cname"===e.attribute})[0];n&&(t.cname=n.value,t.ssrc=n.ssrc);var i=r.matchPrefix(e,"a=rtcp-rsize");t.reducedSize=i.length>0,t.compound=0===i.length;var s=r.matchPrefix(e,"a=rtcp-mux");return t.mux=s.length>0,t},r.parseMsid=function(e){var t,n=r.matchPrefix(e,"a=msid:");if(1===n.length)return t=n[0].substr(7).split(" "),{stream:t[0],track:t[1]};var i=r.matchPrefix(e,"a=ssrc:").map(function(e){return r.parseSsrcMedia(e)}).filter(function(e){return"msid"===e.attribute});return i.length>0?(t=i[0].value.split(" "),{stream:t[0],track:t[1]}):void 0},r.generateSessionId=function(){return Math.random().toString().substr(2,21)},r.writeSessionBoilerplate=function(e,t){var n=void 0!==t?t:2;return"v=0\r\no=thisisadapterortc "+(e||r.generateSessionId())+" "+n+" IN IP4 127.0.0.1\r\ns=-\r\nt=0 0\r\n"},r.writeMediaSection=function(e,t,n,i){var s=r.writeRtpDescription(e.kind,t);if(s+=r.writeIceParameters(e.iceGatherer.getLocalParameters()),s+=r.writeDtlsParameters(e.dtlsTransport.getLocalParameters(),"offer"===n?"actpass":"active"),s+="a=mid:"+e.mid+"\r\n",e.direction?s+="a="+e.direction+"\r\n":e.rtpSender&&e.rtpReceiver?s+="a=sendrecv\r\n":e.rtpSender?s+="a=sendonly\r\n":e.rtpReceiver?s+="a=recvonly\r\n":s+="a=inactive\r\n",e.rtpSender){var o="msid:"+i.id+" "+e.rtpSender.track.id+"\r\n";s+="a="+o,s+="a=ssrc:"+e.sendEncodingParameters[0].ssrc+" "+o,e.sendEncodingParameters[0].rtx&&(s+="a=ssrc:"+e.sendEncodingParameters[0].rtx.ssrc+" "+o,s+="a=ssrc-group:FID "+e.sendEncodingParameters[0].ssrc+" "+e.sendEncodingParameters[0].rtx.ssrc+"\r\n")}return s+="a=ssrc:"+e.sendEncodingParameters[0].ssrc+" cname:"+r.localCName+"\r\n",e.rtpSender&&e.sendEncodingParameters[0].rtx&&(s+="a=ssrc:"+e.sendEncodingParameters[0].rtx.ssrc+" cname:"+r.localCName+"\r\n"),s},r.getDirection=function(e,t){for(var n=r.splitLines(e),i=0;i=64)){var i=e.RTCPeerConnection.prototype.getLocalStreams;e.RTCPeerConnection.prototype.getLocalStreams=function(){var e=this,t=i.apply(this);return e._reverseStreams=e._reverseStreams||{},t.map(function(t){return e._reverseStreams[t.id]})};var s=e.RTCPeerConnection.prototype.addStream;e.RTCPeerConnection.prototype.addStream=function(t){var n=this;if(n._streams=n._streams||{},n._reverseStreams=n._reverseStreams||{},t.getTracks().forEach(function(e){if(n.getSenders().find(function(t){return t.track===e}))throw new DOMException("Track already exists.","InvalidAccessError")}),!n._reverseStreams[t.id]){var r=new e.MediaStream(t.getTracks());n._streams[t.id]=r,n._reverseStreams[r.id]=t,t=r}s.apply(n,[t])};var o=e.RTCPeerConnection.prototype.removeStream;e.RTCPeerConnection.prototype.removeStream=function(e){var t=this;t._streams=t._streams||{},t._reverseStreams=t._reverseStreams||{},o.apply(t,[t._streams[e.id]||e]),delete t._reverseStreams[t._streams[e.id]?t._streams[e.id].id:e.id],delete t._streams[e.id]},e.RTCPeerConnection.prototype.addTrack=function(t,n){var r=this;if("closed"===r.signalingState)throw new DOMException("The RTCPeerConnection's signalingState is 'closed'.","InvalidStateError");var i=[].slice.call(arguments,1);if(1!==i.length||!i[0].getTracks().find(function(e){return e===t}))throw new DOMException("The adapter.js addTrack polyfill only supports a single stream which is associated with the specified track.","NotSupportedError");if(r.getSenders().find(function(e){return e.track===t}))throw new DOMException("Track already exists.","InvalidAccessError");r._streams=r._streams||{},r._reverseStreams=r._reverseStreams||{};var s=r._streams[n.id];if(s)s.addTrack(t),Promise.resolve().then(function(){r.dispatchEvent(new Event("negotiationneeded"))});else{var o=new e.MediaStream([t]);r._streams[n.id]=o,r._reverseStreams[o.id]=n,r.addStream(o)}return r.getSenders().find(function(e){return e.track===t})},["createOffer","createAnswer"].forEach(function(n){var r=e.RTCPeerConnection.prototype[n];e.RTCPeerConnection.prototype[n]=function(){var e=this,n=arguments;return arguments.length&&"function"==typeof arguments[0]?r.apply(e,[function(r){var i=t(e,r);n[0].apply(null,[i])},function(e){n[1]&&n[1].apply(null,e)},arguments[2]]):r.apply(e,arguments).then(function(n){return t(e,n)})}});var a=e.RTCPeerConnection.prototype.setLocalDescription;e.RTCPeerConnection.prototype.setLocalDescription=function(){return arguments.length&&arguments[0].type?(arguments[0]=function(e,t){var n=t.sdp;return Object.keys(e._reverseStreams||[]).forEach(function(t){var r=e._reverseStreams[t],i=e._streams[r.id];n=n.replace(new RegExp(r.id,"g"),i.id)}),new RTCSessionDescription({type:t.type,sdp:n})}(this,arguments[0]),a.apply(this,arguments)):a.apply(this,arguments)};var l=Object.getOwnPropertyDescriptor(e.RTCPeerConnection.prototype,"localDescription");Object.defineProperty(e.RTCPeerConnection.prototype,"localDescription",{get:function(){var e=l.get.apply(this);return""===e.type?e:t(this,e)}}),e.RTCPeerConnection.prototype.removeTrack=function(e){var t=this;if("closed"===t.signalingState)throw new DOMException("The RTCPeerConnection's signalingState is 'closed'.","InvalidStateError");if(!e._pc)throw new DOMException("Argument 1 of RTCPeerConnection.removeTrack does not implement interface RTCRtpSender.","TypeError");if(!(e._pc===t))throw new DOMException("Sender was not created by this connection.","InvalidAccessError");t._streams=t._streams||{};var n;Object.keys(t._streams).forEach(function(r){t._streams[r].getTracks().find(function(t){return e.track===t})&&(n=t._streams[r])}),n&&(1===n.getTracks().length?t.removeStream(t._reverseStreams[n.id]):n.removeTrack(e.track),t.dispatchEvent(new Event("negotiationneeded")))}}},shimPeerConnection:function(e){var t=r.detectBrowser(e);if(e.RTCPeerConnection){var n=e.RTCPeerConnection;e.RTCPeerConnection=function(e,t){if(e&&e.iceServers){for(var i=[],s=0;s0&&"function"==typeof e)return s.apply(this,arguments);if(0===s.length&&(0===arguments.length||"function"!=typeof arguments[0]))return s.apply(this,[]);var o=function(e){var t={};return e.result().forEach(function(e){var n={id:e.id,timestamp:e.timestamp,type:{localcandidate:"local-candidate",remotecandidate:"remote-candidate"}[e.type]||e.type};e.names().forEach(function(t){n[t]=e.stat(t)}),t[n.id]=n}),t},a=function(e){return new Map(Object.keys(e).map(function(t){return[t,e[t]]}))};if(arguments.length>=2){return s.apply(this,[function(e){i[1](a(o(e)))},arguments[0]])}return new Promise(function(e,t){s.apply(r,[function(t){e(a(o(t)))},t])}).then(t,n)},t.version<51&&["setLocalDescription","setRemoteDescription","addIceCandidate"].forEach(function(t){var n=e.RTCPeerConnection.prototype[t];e.RTCPeerConnection.prototype[t]=function(){var e=arguments,t=this,r=new Promise(function(r,i){n.apply(t,[e[0],r,i])});return e.length<2?r:r.then(function(){e[1].apply(null,[])},function(t){e.length>=3&&e[2].apply(null,[t])})}}),t.version<52&&["createOffer","createAnswer"].forEach(function(t){var n=e.RTCPeerConnection.prototype[t];e.RTCPeerConnection.prototype[t]=function(){var e=this;if(arguments.length<1||1===arguments.length&&"object"==typeof arguments[0]){var t=1===arguments.length?arguments[0]:void 0;return new Promise(function(r,i){n.apply(e,[r,i,t])})}return n.apply(this,arguments)}}),["setLocalDescription","setRemoteDescription","addIceCandidate"].forEach(function(t){var n=e.RTCPeerConnection.prototype[t];e.RTCPeerConnection.prototype[t]=function(){return arguments[0]=new("addIceCandidate"===t?e.RTCIceCandidate:e.RTCSessionDescription)(arguments[0]),n.apply(this,arguments)}});var o=e.RTCPeerConnection.prototype.addIceCandidate;e.RTCPeerConnection.prototype.addIceCandidate=function(){return arguments[0]?o.apply(this,arguments):(arguments[1]&&arguments[1].apply(null),Promise.resolve())}}};t.exports={shimMediaStream:s.shimMediaStream,shimOnTrack:s.shimOnTrack,shimAddTrackRemoveTrack:s.shimAddTrackRemoveTrack,shimGetSendersWithDtmf:s.shimGetSendersWithDtmf,shimSourceObject:s.shimSourceObject,shimPeerConnection:s.shimPeerConnection,shimGetUserMedia:e("./getusermedia")}},{"../utils.js":50,"./getusermedia":43}],43:[function(e,t,n){"use strict";var r=e("../utils.js"),i=r.log;t.exports=function(e){var t=r.detectBrowser(e),n=e&&e.navigator,s=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 i=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[i("min",n)]=r.ideal,t.optional.push(s),(s={})[i("max",n)]=r.ideal,t.optional.push(s)):(s[i("",n)]=r.ideal,t.optional.push(s))}void 0!==r.exact&&"number"!=typeof r.exact?(t.mandatory=t.mandatory||{},t.mandatory[i("",n)]=r.exact):["min","max"].forEach(function(e){void 0!==r[e]&&(t.mandatory=t.mandatory||{},t.mandatory[i(e,n)]=r[e])})}}),e.advanced&&(t.optional=(t.optional||[]).concat(e.advanced)),t},o=function(e,r){if(t.version>=61)return r(e);if((e=JSON.parse(JSON.stringify(e)))&&"object"==typeof e.audio){var o=function(e,t,n){t in e&&!(n in e)&&(e[n]=e[t],delete e[t])};o((e=JSON.parse(JSON.stringify(e))).audio,"autoGainControl","googAutoGainControl"),o(e.audio,"noiseSuppression","googNoiseSuppression"),e.audio=s(e.audio)}if(e&&"object"==typeof e.video){var a=e.video.facingMode;a=a&&("object"==typeof a?a:{ideal:a});var l=t.version<66;if(a&&("user"===a.exact||"environment"===a.exact||"user"===a.ideal||"environment"===a.ideal)&&(!n.mediaDevices.getSupportedConstraints||!n.mediaDevices.getSupportedConstraints().facingMode||l)){delete e.video.facingMode;var u;if("environment"===a.exact||"environment"===a.ideal?u=["back","rear"]:"user"!==a.exact&&"user"!==a.ideal||(u=["front"]),u)return n.mediaDevices.enumerateDevices().then(function(t){var n=(t=t.filter(function(e){return"videoinput"===e.kind})).find(function(e){return u.some(function(t){return-1!==e.label.toLowerCase().indexOf(t)})});return!n&&t.length&&-1!==u.indexOf("back")&&(n=t[t.length-1]),n&&(e.video.deviceId=a.exact?{exact:n.deviceId}:{ideal:n.deviceId}),e.video=s(e.video),i("chrome: "+JSON.stringify(e)),r(e)})}e.video=s(e.video)}return i("chrome: "+JSON.stringify(e)),r(e)},a=function(e){return{name:{PermissionDeniedError:"NotAllowedError",InvalidStateError:"NotReadableError",DevicesNotFoundError:"NotFoundError",ConstraintNotSatisfiedError:"OverconstrainedError",TrackStartError:"NotReadableError",MediaDeviceFailedDueToShutdown:"NotReadableError",MediaDeviceKillSwitchOn:"NotReadableError"}[e.name]||e.name,message:e.message,constraint:e.constraintName,toString:function(){return this.name+(this.message&&": ")+this.message}}};n.getUserMedia=function(e,t,r){o(e,function(e){n.webkitGetUserMedia(e,t,function(e){r&&r(a(e))})})};var l=function(e){return new Promise(function(t,r){n.getUserMedia(e,t,r)})};if(n.mediaDevices||(n.mediaDevices={getUserMedia:l,enumerateDevices:function(){return new Promise(function(t){var n={audio:"audioinput",video:"videoinput"};return e.MediaStreamTrack.getSources(function(e){t(e.map(function(e){return{label:e.label,kind:n[e.kind],deviceId:e.id,groupId:""}}))})})},getSupportedConstraints:function(){return{deviceId:!0,echoCancellation:!0,facingMode:!0,frameRate:!0,height:!0,width:!0}}}),n.mediaDevices.getUserMedia){var u=n.mediaDevices.getUserMedia.bind(n.mediaDevices);n.mediaDevices.getUserMedia=function(e){return o(e,function(e){return u(e).then(function(t){if(e.audio&&!t.getAudioTracks().length||e.video&&!t.getVideoTracks().length)throw t.getTracks().forEach(function(e){e.stop()}),new DOMException("","NotFoundError");return t},function(e){return Promise.reject(a(e))})})}}else n.mediaDevices.getUserMedia=function(e){return l(e)};void 0===n.mediaDevices.addEventListener&&(n.mediaDevices.addEventListener=function(){i("Dummy mediaDevices.addEventListener called.")}),void 0===n.mediaDevices.removeEventListener&&(n.mediaDevices.removeEventListener=function(){i("Dummy mediaDevices.removeEventListener called.")})}},{"../utils.js":50}],44:[function(e,t,n){"use strict";var r=e("sdp"),i=e("./utils");t.exports={shimRTCIceCandidate:function(e){if(!(e.RTCIceCandidate&&"foundation"in e.RTCIceCandidate.prototype)){var t=e.RTCIceCandidate;e.RTCIceCandidate=function(e){"object"==typeof e&&e.candidate&&0===e.candidate.indexOf("a=")&&((e=JSON.parse(JSON.stringify(e))).candidate=e.candidate.substr(2));var n=new t(e),i=r.parseCandidate(e.candidate),s=Object.assign(n,i);return s.toJSON=function(){return{candidate:s.candidate,sdpMid:s.sdpMid,sdpMLineIndex:s.sdpMLineIndex,usernameFragment:s.usernameFragment}},s},function(e,t,n){if(e.RTCPeerConnection){var r=e.RTCPeerConnection.prototype,i=r.addEventListener;r.addEventListener=function(e,r){if(e!==t)return i.apply(this,arguments);var s=function(e){r(n(e))};return this._eventMap=this._eventMap||{},this._eventMap[r]=s,i.apply(this,[e,s])};var s=r.removeEventListener;r.removeEventListener=function(e,n){if(e!==t||!this._eventMap||!this._eventMap[n])return s.apply(this,arguments);var r=this._eventMap[n];return delete this._eventMap[n],s.apply(this,[e,r])},Object.defineProperty(r,"on"+t,{get:function(){return this["_on"+t]},set:function(e){this["_on"+t]&&(this.removeEventListener(t,this["_on"+t]),delete this["_on"+t]),e&&this.addEventListener(t,this["_on"+t]=e)}})}}(e,"icecandidate",function(t){return t.candidate&&Object.defineProperty(t,"candidate",{value:new e.RTCIceCandidate(t.candidate),writable:"false"}),t})}},shimCreateObjectURL:function(e){var t=e&&e.URL;if("object"==typeof e&&e.HTMLMediaElement&&"srcObject"in e.HTMLMediaElement.prototype&&t.createObjectURL&&t.revokeObjectURL){var n=t.createObjectURL.bind(t),r=t.revokeObjectURL.bind(t),s=new Map,o=0;t.createObjectURL=function(e){if("getTracks"in e){var t="polyblob:"+ ++o;return s.set(t,e),i.deprecated("URL.createObjectURL(stream)","elem.srcObject = stream"),t}return n(e)},t.revokeObjectURL=function(e){r(e),s.delete(e)};var a=Object.getOwnPropertyDescriptor(e.HTMLMediaElement.prototype,"src");Object.defineProperty(e.HTMLMediaElement.prototype,"src",{get:function(){return a.get.apply(this)},set:function(e){return this.srcObject=s.get(e)||null,a.set.apply(this,[e])}});var l=e.HTMLMediaElement.prototype.setAttribute;e.HTMLMediaElement.prototype.setAttribute=function(){return 2===arguments.length&&"src"===(""+arguments[0]).toLowerCase()&&(this.srcObject=s.get(arguments[1])||null),l.apply(this,arguments)}}}}},{"./utils":50,sdp:39}],45:[function(e,t,n){"use strict";var r=e("../utils"),i=e("rtcpeerconnection-shim");t.exports={shimGetUserMedia:e("./getusermedia"),shimPeerConnection:function(e){var t=r.detectBrowser(e);if(e.RTCIceGatherer&&(e.RTCIceCandidate||(e.RTCIceCandidate=function(e){return e}),e.RTCSessionDescription||(e.RTCSessionDescription=function(e){return e}),t.version<15025)){var n=Object.getOwnPropertyDescriptor(e.MediaStreamTrack.prototype,"enabled");Object.defineProperty(e.MediaStreamTrack.prototype,"enabled",{set:function(e){n.set.call(this,e);var t=new Event("enabled");t.enabled=e,this.dispatchEvent(t)}})}!e.RTCRtpSender||"dtmf"in e.RTCRtpSender.prototype||Object.defineProperty(e.RTCRtpSender.prototype,"dtmf",{get:function(){return void 0===this._dtmf&&("audio"===this.track.kind?this._dtmf=new e.RTCDtmfSender(this):"video"===this.track.kind&&(this._dtmf=null)),this._dtmf}}),e.RTCPeerConnection=i(e,t.version)},shimReplaceTrack:function(e){!e.RTCRtpSender||"replaceTrack"in e.RTCRtpSender.prototype||(e.RTCRtpSender.prototype.replaceTrack=e.RTCRtpSender.prototype.setTrack)}}},{"../utils":50,"./getusermedia":46,"rtcpeerconnection-shim":34}],46:[function(e,t,n){"use strict";t.exports=function(e){var t=e&&e.navigator,n=t.mediaDevices.getUserMedia.bind(t.mediaDevices);t.mediaDevices.getUserMedia=function(e){return n(e).catch(function(e){return Promise.reject(function(e){return{name:{PermissionDeniedError:"NotAllowedError"}[e.name]||e.name,message:e.message,constraint:e.constraint,toString:function(){return this.name}}}(e))})}}},{}],47:[function(e,t,n){"use strict";var r=e("../utils"),i={shimOnTrack:function(e){"object"!=typeof e||!e.RTCPeerConnection||"ontrack"in e.RTCPeerConnection.prototype||Object.defineProperty(e.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.transceiver={receiver:n.receiver},n.streams=[e.stream],this.dispatchEvent(n)}.bind(this))}.bind(this))}}),"object"==typeof e&&e.RTCTrackEvent&&"receiver"in e.RTCTrackEvent.prototype&&!("transceiver"in e.RTCTrackEvent.prototype)&&Object.defineProperty(e.RTCTrackEvent.prototype,"transceiver",{get:function(){return{receiver:this.receiver}}})},shimSourceObject:function(e){"object"==typeof e&&(!e.HTMLMediaElement||"srcObject"in e.HTMLMediaElement.prototype||Object.defineProperty(e.HTMLMediaElement.prototype,"srcObject",{get:function(){return this.mozSrcObject},set:function(e){this.mozSrcObject=e}}))},shimPeerConnection:function(e){var t=r.detectBrowser(e);if("object"==typeof e&&(e.RTCPeerConnection||e.mozRTCPeerConnection)){e.RTCPeerConnection||(e.RTCPeerConnection=function(n,r){if(t.version<38&&n&&n.iceServers){for(var i=[],s=0;s55&&"autoGainControl"in n.mediaDevices.getSupportedConstraints())){var c=function(e,t,n){t in e&&!(n in e)&&(e[n]=e[t],delete e[t])},d=n.mediaDevices.getUserMedia.bind(n.mediaDevices);if(n.mediaDevices.getUserMedia=function(e){return"object"==typeof e&&"object"==typeof e.audio&&(e=JSON.parse(JSON.stringify(e)),c(e.audio,"autoGainControl","mozAutoGainControl"),c(e.audio,"noiseSuppression","mozNoiseSuppression")),d(e)},s&&s.prototype.getSettings){var h=s.prototype.getSettings;s.prototype.getSettings=function(){var e=h.apply(this,arguments);return c(e,"mozAutoGainControl","autoGainControl"),c(e,"mozNoiseSuppression","noiseSuppression"),e}}if(s&&s.prototype.applyConstraints){var f=s.prototype.applyConstraints;s.prototype.applyConstraints=function(e){return"audio"===this.kind&&"object"==typeof e&&(e=JSON.parse(JSON.stringify(e)),c(e,"autoGainControl","mozAutoGainControl"),c(e,"noiseSuppression","mozNoiseSuppression")),f.apply(this,[e])}}}n.getUserMedia=function(e,i,s){if(t.version<44)return a(e,i,s);r.deprecated("navigator.getUserMedia","navigator.mediaDevices.getUserMedia"),n.mediaDevices.getUserMedia(e).then(i,s)}}},{"../utils":50}],49:[function(e,t,n){"use strict";var r=e("../utils"),i={shimLocalStreamsAPI:function(e){if("object"==typeof e&&e.RTCPeerConnection){if("getLocalStreams"in e.RTCPeerConnection.prototype||(e.RTCPeerConnection.prototype.getLocalStreams=function(){return this._localStreams||(this._localStreams=[]),this._localStreams}),"getStreamById"in e.RTCPeerConnection.prototype||(e.RTCPeerConnection.prototype.getStreamById=function(e){var t=null;return this._localStreams&&this._localStreams.forEach(function(n){n.id===e&&(t=n)}),this._remoteStreams&&this._remoteStreams.forEach(function(n){n.id===e&&(t=n)}),t}),!("addStream"in e.RTCPeerConnection.prototype)){var t=e.RTCPeerConnection.prototype.addTrack;e.RTCPeerConnection.prototype.addStream=function(e){this._localStreams||(this._localStreams=[]),-1===this._localStreams.indexOf(e)&&this._localStreams.push(e);var n=this;e.getTracks().forEach(function(r){t.call(n,r,e)})},e.RTCPeerConnection.prototype.addTrack=function(e,n){return n&&(this._localStreams?-1===this._localStreams.indexOf(n)&&this._localStreams.push(n):this._localStreams=[n]),t.call(this,e,n)}}"removeStream"in e.RTCPeerConnection.prototype||(e.RTCPeerConnection.prototype.removeStream=function(e){this._localStreams||(this._localStreams=[]);var t=this._localStreams.indexOf(e);if(-1!==t){this._localStreams.splice(t,1);var n=this,r=e.getTracks();this.getSenders().forEach(function(e){-1!==r.indexOf(e.track)&&n.removeTrack(e)})}})}},shimRemoteStreamsAPI:function(e){"object"==typeof e&&e.RTCPeerConnection&&("getRemoteStreams"in e.RTCPeerConnection.prototype||(e.RTCPeerConnection.prototype.getRemoteStreams=function(){return this._remoteStreams?this._remoteStreams:[]}),"onaddstream"in e.RTCPeerConnection.prototype||Object.defineProperty(e.RTCPeerConnection.prototype,"onaddstream",{get:function(){return this._onaddstream},set:function(e){this._onaddstream&&(this.removeEventListener("addstream",this._onaddstream),this.removeEventListener("track",this._onaddstreampoly)),this.addEventListener("addstream",this._onaddstream=e),this.addEventListener("track",this._onaddstreampoly=function(e){var t=e.streams[0];if(this._remoteStreams||(this._remoteStreams=[]),!(this._remoteStreams.indexOf(t)>=0)){this._remoteStreams.push(t);var n=new Event("addstream");n.stream=e.streams[0],this.dispatchEvent(n)}}.bind(this))}}))},shimCallbacksAPI:function(e){if("object"==typeof e&&e.RTCPeerConnection){var t=e.RTCPeerConnection.prototype,n=t.createOffer,r=t.createAnswer,i=t.setLocalDescription,s=t.setRemoteDescription,o=t.addIceCandidate;t.createOffer=function(e,t){var r=arguments.length>=2?arguments[2]:arguments[0],i=n.apply(this,[r]);return t?(i.then(e,t),Promise.resolve()):i},t.createAnswer=function(e,t){var n=arguments.length>=2?arguments[2]:arguments[0],i=r.apply(this,[n]);return t?(i.then(e,t),Promise.resolve()):i};var a=function(e,t,n){var r=i.apply(this,[e]);return n?(r.then(t,n),Promise.resolve()):r};t.setLocalDescription=a,a=function(e,t,n){var r=s.apply(this,[e]);return n?(r.then(t,n),Promise.resolve()):r},t.setRemoteDescription=a,a=function(e,t,n){var r=o.apply(this,[e]);return n?(r.then(t,n),Promise.resolve()):r},t.addIceCandidate=a}},shimGetUserMedia:function(e){var t=e&&e.navigator;t.getUserMedia||(t.webkitGetUserMedia?t.getUserMedia=t.webkitGetUserMedia.bind(t):t.mediaDevices&&t.mediaDevices.getUserMedia&&(t.getUserMedia=function(e,n,r){t.mediaDevices.getUserMedia(e).then(n,r)}.bind(t)))},shimRTCIceServerUrls:function(e){var t=e.RTCPeerConnection;e.RTCPeerConnection=function(e,n){if(e&&e.iceServers){for(var i=[],s=0;s=n&&parseInt(r[n],10)},detectBrowser:function(e){var t=e&&e.navigator,n={};if(n.browser=null,n.version=null,void 0===e||!e.navigator)return n.browser="Not a browser.",n;if(t.mozGetUserMedia)n.browser="firefox",n.version=this.extractVersion(t.userAgent,/Firefox\/(\d+)\./,1);else if(t.webkitGetUserMedia)if(e.webkitRTCPeerConnection)n.browser="chrome",n.version=this.extractVersion(t.userAgent,/Chrom(e|ium)\/(\d+)\./,2);else{if(!t.userAgent.match(/Version\/(\d+).(\d+)/))return n.browser="Unsupported webkit-based browser with GUM support but no WebRTC support.",n;n.browser="safari",n.version=this.extractVersion(t.userAgent,/AppleWebKit\/(\d+)\./,1)}else if(t.mediaDevices&&t.userAgent.match(/Edge\/(\d+).(\d+)$/))n.browser="edge",n.version=this.extractVersion(t.userAgent,/Edge\/(\d+).(\d+)$/,2);else{if(!t.mediaDevices||!t.userAgent.match(/AppleWebKit\/(\d+)\./))return n.browser="Not a supported browser.",n;n.browser="safari",n.version=this.extractVersion(t.userAgent,/AppleWebKit\/(\d+)\./,1)}return n}};t.exports={log:s.log,deprecated:s.deprecated,disableLog:s.disableLog,disableWarnings:s.disableWarnings,extractVersion:s.extractVersion,shimCreateObjectURL:s.shimCreateObjectURL,detectBrowser:s.detectBrowser.bind(s)}},{}],51:[function(e,t,n){t.exports={name:"jssip",title:"JsSIP",description:"the Javascript SIP library",version:"3.1.4",homepage:"http://jssip.net",author:"José Luis Millán (https://github.com/jmillan)",contributors:["Iñaki Baz Castillo (https://github.com/ibc)","Saúl Ibarra Corretgé (https://github.com/saghul)"],main:"lib-es5/JsSIP.js",keywords:["sip","websocket","webrtc","node","browser","library"],license:"MIT",repository:{type:"git",url:"https://github.com/versatica/JsSIP.git"},bugs:{url:"https://github.com/versatica/JsSIP/issues"},dependencies:{debug:"^3.1.0","sdp-transform":"^2.3.0","webrtc-adapter":"^6.0.2"},devDependencies:{"babel-core":"^6.26.0","babel-preset-env":"^1.6.1",browserify:"^14.3.0",eslint:"^4.4.1",gulp:"git+https://github.com/gulpjs/gulp.git#4.0","gulp-babel":"^7.0.0","gulp-eslint":"^4.0.0","gulp-expect-file":"0.0.7","gulp-header":"1.8.9","gulp-nodeunit-runner":"^0.2.2","gulp-plumber":"^1.1.0","gulp-rename":"^1.2.2","gulp-uglify":"^3.0.0","gulp-util":"^3.0.8",pegjs:"0.7.0","vinyl-buffer":"^1.0.0","vinyl-source-stream":"^1.1.0"},scripts:{test:"gulp test",prepublishOnly:"gulp babel"}}},{}]},{},[8])(8)});