@ipscape/webconnect
Version:
ipSCAPE webRTC connector
1 lines • 2.15 MB
JavaScript
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R={STATUS_INIT:0,STATUS_READY:1,STATUS_USER_CLOSED:2,STATUS_NOT_READY:3,CONFIGURATION_ERROR:1,NETWORK_ERROR:2};function I(e){this.emit("connecting",e)}function O(e){this._status!==R.STATUS_USER_CLOSED&&(this._status=R.STATUS_READY,this._error=null,this.emit("connected",e),this._dynConfiguration.register&&this._registrator.register())}function k(e){for(var t=0,n=["nict","ict","nist","ist"];t<n.length;t++){var r=n[t];for(var o in this._transactions[r])Object.prototype.hasOwnProperty.call(this._transactions[r],o)&&this._transactions[r][o].onTransportError()}this.emit("disconnected",e),this._registrator.onTransportClosed(),this._status!==R.STATUS_USER_CLOSED&&(this._status=R.STATUS_NOT_READY,this._error=R.NETWORK_ERROR)}function N(e){var t=e.transport,n=e.message;if((n=C.parseMessage(n,this))&&!(this._status===R.STATUS_USER_CLOSED&&n instanceof S.IncomingRequest)&&b(n,this,t))if(n instanceof S.IncomingRequest)n.transport=t,this.receiveRequest(n);else if(n instanceof S.IncomingResponse){var r;switch(n.method){case h.INVITE:(r=this._transactions.ict[n.via_branch])&&r.receiveResponse(n);break;case h.ACK:break;default:(r=this._transactions.nict[n.via_branch])&&r.receiveResponse(n)}}}e.exports=function(e){!function(e,t){if("function"!=typeof t&&null!==t)throw new TypeError("Super expression must either be null or a function");e.prototype=Object.create(t&&t.prototype,{constructor:{value:e,writable:!0,configurable:!0}}),t&&s(e,t)}(n,e);var t=l(n);function n(e){var r;if(function(e,t){if(!(e instanceof t))throw new TypeError("Cannot call a class as a function")}(this,n),A("new() [configuration:%o]",e),(r=t.call(this))._cache={credentials:{}},r._configuration=Object.assign({},E.settings),r._dynConfiguration={},r._dialogs={},r._applicants={},r._sessions={},r._transport=null,r._contact=null,r._status=R.STATUS_INIT,r._error=null,r._transactions={nist:{},nict:{},ist:{},ict:{}},r._data={},r._closeTimer=null,void 0===e)throw new TypeError("Not enough 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e=this;if(A("stop()"),this._dynConfiguration={},this._status!==R.STATUS_USER_CLOSED){this._registrator.close();var t=Object.keys(this._sessions).length;for(var n in this._sessions)if(Object.prototype.hasOwnProperty.call(this._sessions,n)){A("closing session ".concat(n));try{this._sessions[n].terminate()}catch(e){}}for(var r in this._applicants)if(Object.prototype.hasOwnProperty.call(this._applicants,r))try{this._applicants[r].close()}catch(e){}this._status=R.STATUS_USER_CLOSED,0===Object.keys(this._transactions.nict).length+Object.keys(this._transactions.nist).length+Object.keys(this._transactions.ict).length+Object.keys(this._transactions.ist).length&&0===t?this._transport.disconnect():this._closeTimer=setTimeout((function(){e._closeTimer=null,e._transport.disconnect()}),2e3)}else A("UA already closed")}},{key:"normalizeTarget",value:function(e){return g.normalizeTarget(e,this._configuration.hostport_params)}},{key:"get",value:function(e){switch(e){case"authorization_user":return 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this._transactions[e.type][e.id],this.emit("transactionDestroyed",{transaction:e})}},{key:"newDialog",value:function(e){this._dialogs[e.id]=e}},{key:"destroyDialog",value:function(e){delete this._dialogs[e.id]}},{key:"newMessage",value:function(e,t){this._applicants[e]=e,this.emit("newMessage",t)}},{key:"destroyMessage",value:function(e){delete this._applicants[e]}},{key:"newRTCSession",value:function(e,t){this._sessions[e.id]=e,this.emit("newRTCSession",t)}},{key:"destroyRTCSession",value:function(e){delete this._sessions[e.id]}},{key:"registered",value:function(e){this.emit("registered",e)}},{key:"unregistered",value:function(e){this.emit("unregistered",e)}},{key:"registrationFailed",value:function(e){this.emit("registrationFailed",e)}},{key:"receiveRequest",value:function(e){var t=e.method;if(e.ruri.user!==this._configuration.uri.user&&e.ruri.user!==this._contact.uri.user)return A("Request-URI does not point to us"),void(e.method!==h.ACK&&e.reply_sl(404));if(e.ruri.scheme!==h.SIPS){if(!m.checkTransaction(this,e)){if(t===h.INVITE?new m.InviteServerTransaction(this,this._transport,e):t!==h.ACK&&t!==h.CANCEL&&new m.NonInviteServerTransaction(this,this._transport,e),t===h.OPTIONS)e.reply(200);else if(t===h.MESSAGE){if(0===this.listeners("newMessage").length)return void e.reply(405);new _(this).init_incoming(e)}else if(t===h.INVITE&&!e.to_tag&&0===this.listeners("newRTCSession").length)return void e.reply(405);var n,r;if(e.to_tag)(n=this._findDialog(e.call_id,e.from_tag,e.to_tag))?n.receiveRequest(e):t===h.NOTIFY?(r=this._findSession(e))?r.receiveRequest(e):(A("received NOTIFY request for a non existent subscription"),e.reply(481,"Subscription does not exist")):t!==h.ACK&&e.reply(481);else switch(t){case h.INVITE:if(window.RTCPeerConnection)if(e.hasHeader("replaces")){var o=e.replaces;(n=this._findDialog(o.call_id,o.from_tag,o.to_tag))?(r=n.owner).isEnded()?e.reply(603):r.receiveRequest(e):e.reply(481)}else(r=new p(this)).init_incoming(e);else w("INVITE received but WebRTC is not supported"),e.reply(488);break;case h.BYE:e.reply(481);break;case h.CANCEL:(r=this._findSession(e))?r.receiveRequest(e):A("received CANCEL request for a non existent session");break;case h.ACK:break;case h.NOTIFY:this.emit("sipEvent",{event:e.event,request:e}),e.reply(200);break;default:e.reply(405)}}}else e.reply_sl(416)}},{key:"_findSession",value:function(e){var t=e.call_id,n=e.from_tag,r=e.to_tag,o=t+n,i=this._sessions[o],s=t+r,l=this._sessions[s];return i||(l||null)}},{key:"_findDialog",value:function(e,t,n){var r=e+t+n,o=this._dialogs[r];return o||(r=e+n+t,(o=this._dialogs[r])||null)}},{key:"_loadConfig",value:function(e){try{E.load(this._configuration,e)}catch(e){throw e}0===this._configuration.display_name&&(this._configuration.display_name="0"),this._configuration.instance_id||(this._configuration.instance_id=g.newUUID()),this._configuration.jssip_id=g.createRandomToken(5);var t=this._configuration.uri.clone();t.user=null,this._configuration.hostport_params=t.toString().replace(/^sip:/i,"");try{this._transport=new v(this._configuration.sockets,{max_interval:this._configuration.connection_recovery_max_interval,min_interval:this._configuration.connection_recovery_min_interval}),this._transport.onconnecting=I.bind(this),this._transport.onconnect=O.bind(this),this._transport.ondisconnect=k.bind(this),this._transport.ondata=N.bind(this)}catch(e){throw w(e),new y.ConfigurationError("sockets",this._configuration.sockets)}if(delete this._configuration.sockets,this._configuration.authorization_user||(this._configuration.authorization_user=this._configuration.uri.user),!this._configuration.registrar_server){var n=this._configuration.uri.clone();n.user=null,n.clearParams(),n.clearHeaders(),this._configuration.registrar_server=n}this._configuration.no_answer_timeout*=1e3,this._configuration.contact_uri?this._configuration.via_host=this._configuration.contact_uri.host:this._configuration.contact_uri=new T("sip",g.createRandomToken(8),this._configuration.via_host,null,{transport:"ws"}),this._contact={pub_gruu:null,temp_gruu:null,uri:this._configuration.contact_uri,toString:function(){var e=arguments.length>0&&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=["authorization_user","password","realm","ha1","display_name","register"];for(var o in this._configuration)Object.prototype.hasOwnProperty.call(this._configuration,o)&&(-1!==r.indexOf(o)?Object.defineProperty(this._configuration,o,{writable:!0,configurable:!1}):Object.defineProperty(this._configuration,o,{writable:!1,configurable:!1}));for(var i in A("configuration parameters after validation:"),this._configuration)if(Object.prototype.hasOwnProperty.call(E.settings,i))switch(i){case"uri":case"registrar_server":A("- ".concat(i,": ").concat(this._configuration[i]));break;case"password":case"ha1":A("- ".concat(i,": NOT SHOWN"));break;default:A("- ".concat(i,": ").concat(JSON.stringify(this._configuration[i])))}}},{key:"C",get:function(){return R}},{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}}]),n}(d)},117:function(e,t,n){"use strict";function r(e,t){for(var n=0;n<t.length;n++){var r=t[n];r.enumerable=r.enumerable||!1,r.configurable=!0,"value"in r&&(r.writable=!0),Object.defineProperty(e,r.key,r)}}var o=n(7),i=n(3),s=n(16),l=n(39),a=n(1)("JsSIP:Registrator");e.exports=function(){function e(t,n){!function(e,t){if(!(e instanceof t))throw new TypeError("Cannot call a class as a function")}(this,e);this._ua=t,this._transport=n,this._registrar=t.configuration.registrar_server,this._expires=t.configuration.register_expires,this._call_id=o.createRandomToken(22),this._cseq=0,this._to_uri=t.configuration.uri,this._registrationTimer=null,this._registering=!1,this._registered=!1,this._contact=this._ua.contact.toString(),this._contact+=";+sip.ice",this._extraHeaders=[],this._extraContactParams="",this._contact+=";reg-id=".concat(1),this._contact+=';+sip.instance="<urn:uuid:'.concat(this._ua.configuration.instance_id,'>"')}var t,n,u;return t=e,(n=[{key:"setExtraHeaders",value:function(e){Array.isArray(e)||(e=[]),this._extraHeaders=e.slice()}},{key:"setExtraContactParams",value:function(e){for(var t in e instanceof Object||(e={}),this._extraContactParams="",e)if(Object.prototype.hasOwnProperty.call(e,t)){var n=e[t];this._extraContactParams+=";".concat(t),n&&(this._extraContactParams+="=".concat(n))}}},{key:"register",value:function(){var e=this;if(this._registering)a("Register request in progress...");else{var t=this._extraHeaders.slice();t.push("Contact: ".concat(this._contact,";expires=").concat(this._expires).concat(this._extraContactParams)),t.push("Expires: ".concat(this._expires));var n=new s.OutgoingRequest(i.REGISTER,this._registrar,this._ua,{to_uri:this._to_uri,call_id:this._call_id,cseq:this._cseq+=1},t),r=new l(this._ua,n,{onRequestTimeout:function(){e._registrationFailure(null,i.causes.REQUEST_TIMEOUT)},onTransportError:function(){e._registrationFailure(null,i.causes.CONNECTION_ERROR)},onAuthenticated:function(){e._cseq+=1},onReceiveResponse:function(t){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,!t.hasHeader("Contact")){a("no Contact header in response to REGISTER, response ignored");break}var n=t.headers.Contact.reduce((function(e,t){return e.concat(t.parsed)}),[]).find((function(t){return t.uri.user===e._ua.contact.uri.user}));if(!n){a("no Contact header pointing to us, response ignored");break}var r=n.getParam("expires");!r&&t.hasHeader("expires")&&(r=t.getHeader("expires")),r||(r=e._expires),(r=Number(r))<10&&(r=10);var s=r>64?1e3*r/2+Math.floor(1e3*(r/2-32)*Math.random()):1e3*r-5e3;e._registrationTimer=setTimeout((function(){e._registrationTimer=null,0===e._ua.listeners("registrationExpiring").length?e.register():e._ua.emit("registrationExpiring")}),s),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$/.test(t.status_code):t.hasHeader("min-expires")?(e._expires=Number(t.getHeader("min-expires")),e._expires<10&&(e._expires=10),e.register()):(a("423 response received for REGISTER without Min-Expires"),e._registrationFailure(t,i.causes.SIP_FAILURE_CODE));break;default:var l=o.sipErrorCause(t.status_code);e._registrationFailure(t,l)}}});this._registering=!0,r.send()}}},{key:"unregister",value:function(){var e=this,t=arguments.length>0&&void 0!==arguments[0]?arguments[0]:{};if(this._registered){this._registered=!1,null!==this._registrationTimer&&(clearTimeout(this._registrationTimer),this._registrationTimer=null);var n=this._extraHeaders.slice();t.all?n.push("Contact: *".concat(this._extraContactParams)):n.push("Contact: ".concat(this._contact,";expires=0").concat(this._extraContactParams)),n.push("Expires: 0");var r=new s.OutgoingRequest(i.REGISTER,this._registrar,this._ua,{to_uri:this._to_uri,call_id:this._call_id,cseq:this._cseq+=1},n),u=new l(this._ua,r,{onRequestTimeout:function(){e._unregistered(null,i.causes.REQUEST_TIMEOUT)},onTransportError:function(){e._unregistered(null,i.causes.CONNECTION_ERROR)},onAuthenticated:function(){e._cseq+=1},onReceiveResponse:function(t){switch(!0){case/^1[0-9]{2}$/.test(t.status_code):break;case/^2[0-9]{2}$/.test(t.status_code):e._unregistered(t);break;default:var n=o.sipErrorCause(t.status_code);e._unregistered(t,n)}}});u.send()}else a("already 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this._ha1;default:return void s('get() | cannot get "%s" parameter',e)}}},{key:"authenticate",value:function(e,t){var n=e.method,r=e.ruri,l=e.body,a=arguments.length>2&&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 s('authenticate() | challenge with Digest algorithm different than "MD5", authentication aborted'),!1}else this._algorithm="MD5";if(!this._nonce)return s("authenticate() | challenge without Digest nonce, authentication aborted"),!1;if(!this._realm)return s("authenticate() | challenge without Digest realm, authentication aborted"),!1;if(!this._credentials.password){if(!this._credentials.ha1)return s("authenticate() | no plain SIP password nor ha1 provided, authentication aborted"),!1;if(this._credentials.realm!==this._realm)return s('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 s('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=a||o.createRandomToken(12),this._nc+=1;var u,c,d=Number(this._nc).toString(16);return this._ncHex="00000000".substr(0,8-d.length)+d,4294967296===this._nc&&(this._nc=1,this._ncHex="00000001"),this._credentials.password?this._ha1=o.calculateMD5("".concat(this._credentials.username,":").concat(this._realm,":").concat(this._credentials.password)):this._ha1=this._credentials.ha1,"auth"===this._qop?(u="".concat(this._method,":").concat(this._uri),c=o.calculateMD5(u),i('authenticate() | using qop=auth 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s=n(16),l=n(3),a=n(32),u=n(124),c=n(7),d=n(1)("JsSIP:Dialog"),h={STATUS_EARLY:1,STATUS_CONFIRMED:2};e.exports=function(){function e(t,n,o){var i=arguments.length>3&&void 0!==arguments[3]?arguments[3]:h.STATUS_CONFIRMED;if(r(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 s.IncomingResponse&&(i=n.status_code<200?h.STATUS_EARLY:h.STATUS_CONFIRMED);var l=n.parseHeader("contact");"UAS"===o?(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=i,this._remote_seqnum=n.cseq,this._local_uri=n.parseHeader("to").uri,this._remote_uri=n.parseHeader("from").uri,this._remote_target=l.uri,this._route_set=n.getHeaders("record-route"),this._ack_seqnum=this._remote_seqnum):"UAC"===o&&(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=i,this._local_seqnum=n.cseq,this._local_uri=n.parseHeader("from").uri,this._remote_uri=n.parseHeader("to").uri,this._remote_target=l.uri,this._route_set=n.getHeaders("record-route").reverse(),this._ack_seqnum=null),this._ua.newDialog(this),d("new ".concat(o," dialog created with status ").concat(this._state===h.STATUS_EARLY?"EARLY":"CONFIRMED"))}return i(e,null,[{key:"C",get:function(){return h}}]),i(e,[{key:"update",value:function(e,t){this._state=h.STATUS_CONFIRMED,d("dialog ".concat(this._id.toString()," changed to CONFIRMED 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s.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.cseq<this._remote_seqnum){if(e.method!==l.ACK)return e.reply(500),!1;if(null===this._ack_seqnum||e.cseq!==this._ack_seqnum)return!1}else e.cseq>this._remote_seqnum&&(this._remote_seqnum=e.cseq);else this._remote_seqnum=e.cseq;if(e.method===l.INVITE||e.method===l.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:".concat(n)]),!1}this._uas_pending_reply=!0;e.server_transaction.on("stateChanged",(function n(){e.server_transaction.state!==a.C.STATUS_ACCEPTED&&e.server_transaction.state!==a.C.STATUS_COMPLETED&&e.server_transaction.state!==a.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===a.C.STATUS_ACCEPTED&&(t._remote_target=e.parseHeader("contact").uri)}))}else e.method===l.NOTIFY&&e.hasHeader("contact")&&e.server_transaction.on("stateChanged",(function(){e.server_transaction.state===a.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}()},124:function(e,t,n){"use strict";function r(e,t){for(var n=0;n<t.length;n++){var r=t[n];r.enumerable=r.enumerable||!1,r.configurable=!0,"value"in r&&(r.writable=!0),Object.defineProperty(e,r.key,r)}}var o=n(3),i=n(32),s=n(70),l=n(39),a={onRequestTimeout:function(){},onTransportError:function(){},onSuccessResponse:function(){},onErrorResponse:function(){},onAuthenticated:function(){},onDialogError:function(){}};e.exports=function(){function e(t,n,r){for(var o in function(e,t){if(!(e instanceof t))throw new TypeError("Cannot call a class as a function")}(this,e),this._dialog=t,this._ua=t._ua,this._request=n,this._eventHandlers=r,this._reattempt=!1,this._reattemptTimer=null,a)Object.prototype.hasOwnProperty.call(a,o)&&(this._eventHandlers[o]||(this._eventHandlers[o]=a[o]))}var t,n,u;return t=e,(n=[{key:"send",value:function(){var e=this,t=new l(this._ua,this._request,{onRequestTimeout:function(){e._eventHandlers.onRequestTimeout()},onTransportError:function(){e._eventHandlers.onTransportError()},onAuthenticated:function(t){e._eventHandlers.onAuthenticated(t)},onReceiveResponse:function(t){e._receiveResponse(t)}});t.send(),(this._request.method===o.INVITE||this._request.method===o.UPDATE&&this._request.body)&&t.clientTransaction.state!==i.C.STATUS_TERMINATED&&(this._dialog.uac_pending_reply=!0,t.clientTransaction.on("stateChanged",(function n(){t.clientTransaction.state!==i.C.STATUS_ACCEPTED&&t.clientTransaction.state!==i.C.STATUS_COMPLETED&&t.clientTransaction.state!==i.C.STATUS_TERMINATED||(t.clientTransaction.removeListener("stateChanged",n),e._dialog.uac_pending_reply=!1)})))}},{key:"_receiveResponse",value:function(e){var t=this;408===e.status_code||481===e.status_code?this._eventHandlers.onDialogError(e):e.method===o.INVITE&&491===e.status_code?this._reattempt?e.status_code>=200&&e.status_code<300?this._eventHandlers.onSuccessResponse(e):e.status_code>=300&&this._eventHandlers.onErrorResponse(e):(this._request.cseq=this._dialog.local_seqnum+=1,this._reattemptTimer=setTimeout((function(){t._dialog.owner.status!==s.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}}])&&r(t.prototype,n),u&&r(t,u),e}()},125:function(e,t,n){"use strict";function r(e){return(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})(e)}function o(e,t){for(var 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u=n(15).EventEmitter,c=n(3),d=n(18),h=n(7),f=n(1)("JsSIP:RTCSession:DTMF");n(1)("JsSIP:ERROR:RTCSession:DTMF").log=console.warn.bind(console);var p={MIN_DURATION:70,MAX_DURATION:6e3,DEFAULT_DURATION:100,MIN_INTER_TONE_GAP:50,DEFAULT_INTER_TONE_GAP:500};e.exports=function(e){!function(e,t){if("function"!=typeof t&&null!==t)throw new TypeError("Super expression must either be null or a function");e.prototype=Object.create(t&&t.prototype,{constructor:{value:e,writable:!0,configurable:!0}}),t&&i(e,t)}(a,e);var t,n,r,l=s(a);function a(e){var t;return function(e,t){if(!(e instanceof t))throw new TypeError("Cannot call a class as a function")}(this,a),(t=l.call(this))._session=e,t._direction=null,t._tone=null,t._duration=null,t._request=null,t}return t=a,(n=[{key:"send",value:function(e){var t=this,n=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};if(void 0===e)throw new TypeError("Not enough 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o="Signal=".concat(this._tone,"\r\n");o+="Duration=".concat(this._duration),this._session.newDTMF({originator:"local",dtmf:this,request:this._request}),this._session.sendRequest(c.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:o})}},{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=p.DEFAULT_DURATION),this._tone?this._session.newDTMF({originator:"remote",dtmf:this,request:e}):f("invalid INFO DTMF received, discarded")}},{key:"tone",get:function(){return this._tone}},{key:"duration",get:function(){return this._duration}}])&&o(t.prototype,n),r&&o(t,r),a}(u),e.exports.C=p},126:function(e,t,n){"use strict";function r(e){return(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})(e)}function o(e,t){for(var n=0;n<t.length;n++){var r=t[n];r.enumerable=r.enumerable||!1,r.configurable=!0,"value"in r&&(r.writable=!0),Object.defineProperty(e,r.key,r)}}function i(e,t){return(i=Object.setPrototypeOf||function(e,t){return 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o)Object.prototype.hasOwnProperty.call(o,i)&&this.on(i,o[i]);var s=null;n.replaces&&(s=n.replaces._request.call_id,s+=";to-tag=".concat(n.replaces._to_tag),s+=";from-tag=".concat(n.replaces._from_tag),s=encodeURIComponent(s));var l="Refer-To: <".concat(e).concat(s?"?Replaces=".concat(s):"",">");r.push(l);var a="Referred-By: <".concat(this._session._ua._configuration.uri._scheme,":").concat(this._session._ua._configuration.uri._user,"@").concat(this._session._ua._configuration.uri._host,">");r.push(a),r.push("Contact: ".concat(this._session.contact));var u=this._session.sendRequest(c.REFER,{extraHeaders:r,eventHandlers:{onSuccessResponse:function(e){t._requestSucceeded(e)},onErrorResponse:function(e){t._requestFailed(e,c.causes.REJECTED)},onTransportError:function(){t._requestFailed(null,c.causes.CONNECTION_ERROR)},onRequestTimeout:function(){t._requestFailed(null,c.causes.REQUEST_TIMEOUT)},onDialogError:function(){t._requestFailed(null,c.causes.DIALOG_ERROR)}}});thi