/**
 * @license almond 0.3.3 Copyright jQuery Foundation and other contributors.
 * Released under MIT license, http://github.com/requirejs/almond/LICENSE
 */

/*
    This program is distributed under the terms of the MIT license.
    Please see the LICENSE file for details.

    Copyright 2006-2008, OGG, LLC
*/

/*
 * A JavaScript implementation of the Secure Hash Algorithm, SHA-1, as defined
 * in FIPS PUB 180-1
 * Version 2.1a Copyright Paul Johnston 2000 - 2002.
 * Other contributors: Greg Holt, Andrew Kepert, Ydnar, Lostinet
 * Distributed under the BSD License
 * See http://pajhome.org.uk/crypt/md5 for details.
 */

/*
 * A JavaScript implementation of the RSA Data Security, Inc. MD5 Message
 * Digest Algorithm, as defined in RFC 1321.
 * Version 2.1 Copyright (C) Paul Johnston 1999 - 2002.
 * Other contributors: Greg Holt, Andrew Kepert, Ydnar, Lostinet
 * Distributed under the BSD License
 * See http://pajhome.org.uk/crypt/md5 for more info.
 */

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this._proto._no_auth_received(e):void(this.do_authentication!==!1&&this.authenticate(c))}}},sortMechanismsByPriority:function(t){var e,n,s,i;for(e=0;e<t.length-1;++e){for(s=e,n=e+1;n<t.length;++n)t[n].prototype.priority>t[s].prototype.priority&&(s=n);s!==e&&(i=t[e],t[e]=t[s],t[s]=i)}return t},_attemptSASLAuth:function(t){t=this.sortMechanismsByPriority(t||[]);
var e=0,n=!1;for(e=0;e<t.length;++e)if(t[e].prototype.test(this)){this._sasl_success_handler=this._addSysHandler(this._sasl_success_cb.bind(this),null,"success",null,null),this._sasl_failure_handler=this._addSysHandler(this._sasl_failure_cb.bind(this),null,"failure",null,null),this._sasl_challenge_handler=this._addSysHandler(this._sasl_challenge_cb.bind(this),null,"challenge",null,null),this._sasl_mechanism=new t[e],this._sasl_mechanism.onStart(this);var i=s("auth",{xmlns:a.NS.SASL,mechanism:this._sasl_mechanism.name});if(this._sasl_mechanism.isClientFirst){var r=this._sasl_mechanism.onChallenge(this,null);i.t(btoa(r))}this.send(i.tree()),n=!0;break}return n},_attemptLegacyAuth:function(){null===a.getNodeFromJid(this.jid)?(this._changeConnectStatus(a.Status.CONNFAIL,a.ErrorCondition.MISSING_JID_NODE),this.disconnect(a.ErrorCondition.MISSING_JID_NODE)):(this._changeConnectStatus(a.Status.AUTHENTICATING,null),this._addSysHandler(this._auth1_cb.bind(this),null,null,null,"_auth_1"),this.send(r({type:"get",to:this.domain,id:"_auth_1"}).c("query",{xmlns:a.NS.AUTH}).c("username",{}).t(a.getNodeFromJid(this.jid)).tree()))},authenticate:function(t){this._attemptSASLAuth(t)||this._attemptLegacyAuth()},_sasl_challenge_cb:function(t){var e=atob(a.getText(t)),n=this._sasl_mechanism.onChallenge(this,e),i=s("response",{xmlns:a.NS.SASL});return""!==n&&i.t(btoa(n)),this.send(i.tree()),!0},_auth1_cb:function(t){var e=r({type:"set",id:"_auth_2"}).c("query",{xmlns:a.NS.AUTH}).c("username",{}).t(a.getNodeFromJid(this.jid)).up().c("password").t(this.pass);return a.getResourceFromJid(this.jid)||(this.jid=a.getBareJidFromJid(this.jid)+"/strophe"),e.up().c("resource",{}).t(a.getResourceFromJid(this.jid)),this._addSysHandler(this._auth2_cb.bind(this),null,null,null,"_auth_2"),this.send(e.tree()),!1},_sasl_success_cb:function(t){if(this._sasl_data["server-signature"]){var e,n=atob(a.getText(t)),s=/([a-z]+)=([^,]+)(,|$)/,i=n.match(s);if("v"===i[1]&&(e=i[2]),e!==this._sasl_data["server-signature"])return this.deleteHandler(this._sasl_failure_handler),this._sasl_failure_handler=null,this._sasl_challenge_handler&&(this.deleteHandler(this._sasl_challenge_handler),this._sasl_challenge_handler=null),this._sasl_data={},this._sasl_failure_cb(null)}a.info("SASL authentication succeeded."),this._sasl_mechanism&&this._sasl_mechanism.onSuccess(),this.deleteHandler(this._sasl_failure_handler),this._sasl_failure_handler=null,this._sasl_challenge_handler&&(this.deleteHandler(this._sasl_challenge_handler),this._sasl_challenge_handler=null);var r=[],o=function(t,e){for(;t.length;)this.deleteHandler(t.pop());return this._sasl_auth1_cb.bind(this)(e),!1};return r.push(this._addSysHandler(function(t){o.bind(this)(r,t)}.bind(this),null,"stream:features",null,null)),r.push(this._addSysHandler(function(t){o.bind(this)(r,t)}.bind(this),a.NS.STREAM,"features",null,null)),this._sendRestart(),!1},_sasl_auth1_cb:function(t){this.features=t;var e,n;for(e=0;e<t.childNodes.length;e++)n=t.childNodes[e],"bind"===n.nodeName&&(this.do_bind=!0),"session"===n.nodeName&&(this.do_session=!0);if(!this.do_bind)return this._changeConnectStatus(a.Status.AUTHFAIL,null),!1;this._addSysHandler(this._sasl_bind_cb.bind(this),null,null,null,"_bind_auth_2");var s=a.getResourceFromJid(this.jid);return s?this.send(r({type:"set",id:"_bind_auth_2"}).c("bind",{xmlns:a.NS.BIND}).c("resource",{}).t(s).tree()):this.send(r({type:"set",id:"_bind_auth_2"}).c("bind",{xmlns:a.NS.BIND}).tree()),!1},_sasl_bind_cb:function(t){if("error"===t.getAttribute("type")){a.info("SASL binding failed.");var e,n=t.getElementsByTagName("conflict");return n.length>0&&(e=a.ErrorCondition.CONFLICT),this._changeConnectStatus(a.Status.AUTHFAIL,e,t),!1}var s,i=t.getElementsByTagName("bind");return i.length>0?(s=i[0].getElementsByTagName("jid"),void(s.length>0&&(this.jid=a.getText(s[0]),this.do_session?(this._addSysHandler(this._sasl_session_cb.bind(this),null,null,null,"_session_auth_2"),this.send(r({type:"set",id:"_session_auth_2"}).c("session",{xmlns:a.NS.SESSION}).tree())):(this.authenticated=!0,this._changeConnectStatus(a.Status.CONNECTED,null))))):(a.info("SASL binding failed."),this._changeConnectStatus(a.Status.AUTHFAIL,null,t),!1)},_sasl_session_cb:function(t){if("result"===t.getAttribute("type"))this.authenticated=!0,this._changeConnectStatus(a.Status.CONNECTED,null);else if("error"===t.getAttribute("type"))return a.info("Session creation failed."),this._changeConnectStatus(a.Status.AUTHFAIL,null,t),!1;return!1},_sasl_failure_cb:function(t){return this._sasl_success_handler&&(this.deleteHandler(this._sasl_success_handler),this._sasl_success_handler=null),this._sasl_challenge_handler&&(this.deleteHandler(this._sasl_challenge_handler),this._sasl_challenge_handler=null),this._sasl_mechanism&&this._sasl_mechanism.onFailure(),this._changeConnectStatus(a.Status.AUTHFAIL,null,t),!1},_auth2_cb:function(t){return"result"===t.getAttribute("type")?(this.authenticated=!0,this._changeConnectStatus(a.Status.CONNECTED,null)):"error"===t.getAttribute("type")&&(this._changeConnectStatus(a.Status.AUTHFAIL,null,t),this.disconnect("authentication failed")),!1},_addSysTimedHandler:function(t,e){var n=new a.TimedHandler(t,e);return n.user=!1,this.addTimeds.push(n),n},_addSysHandler:function(t,e,n,s,i){var r=new a.Handler(t,e,n,s,i);return r.user=!1,this.addHandlers.push(r),r},_onDisconnectTimeout:function(){return a.info("_onDisconnectTimeout was called"),this._changeConnectStatus(a.Status.CONNTIMEOUT,null),this._proto._onDisconnectTimeout(),this._doDisconnect(),!1},_onIdle:function(){for(var t,e,n,s;this.addTimeds.length>0;)this.timedHandlers.push(this.addTimeds.pop());for(;this.removeTimeds.length>0;)e=this.removeTimeds.pop(),t=this.timedHandlers.indexOf(e),t>=0&&this.timedHandlers.splice(t,1);var i=(new Date).getTime();for(s=[],t=0;t<this.timedHandlers.length;t++)e=this.timedHandlers[t],!this.authenticated&&e.user||(n=e.lastCalled+e.period,n-i<=0?e.run()&&s.push(e):s.push(e));this.timedHandlers=s,clearTimeout(this._idleTimeout),this._proto._onIdle(),this.connected&&(this._idleTimeout=setTimeout(function(){this._onIdle()}.bind(this),100))}},a.SASLMechanism=function(t,e,n){this.name=t,this.isClientFirst=e,this.priority=n},a.SASLMechanism.prototype={test:function(t){return!0},onStart:function(t){this._connection=t},onChallenge:function(t,e){throw new Error("You should implement challenge handling!")},onFailure:function(){this._connection=null},onSuccess:function(){this._connection=null}},a.SASLAnonymous=function(){},a.SASLAnonymous.prototype=new a.SASLMechanism("ANONYMOUS",!1,20),a.SASLAnonymous.prototype.test=function(t){return null===t.authcid},a.SASLPlain=function(){},a.SASLPlain.prototype=new a.SASLMechanism("PLAIN",!0,50),a.SASLPlain.prototype.test=function(t){return null!==t.authcid},a.SASLPlain.prototype.onChallenge=function(t){var e=t.authzid;return e+="\0",e+=t.authcid,e+="\0",e+=t.pass,n.utf16to8(e)},a.SASLSHA1=function(){},a.SASLSHA1.prototype=new a.SASLMechanism("SCRAM-SHA-1",!0,70),a.SASLSHA1.prototype.test=function(t){return null!==t.authcid},a.SASLSHA1.prototype.onChallenge=function(s,i,r){var o=r||e.hexdigest(1234567890*Math.random()),a="n="+n.utf16to8(s.authcid);return a+=",r=",a+=o,s._sasl_data.cnonce=o,s._sasl_data["client-first-message-bare"]=a,a="n,,"+a,this.onChallenge=function(e,s){for(var i,r,o,a,h,c,u,l,d,p,f,_,m="c=biws,",g=e._sasl_data["client-first-message-bare"]+","+s+",",S=e._sasl_data.cnonce,b=/([a-z]+)=([^,]+)(,|$)/;s.match(b);){var y=s.match(b);switch(s=s.replace(y[0],""),y[1]){case"r":i=y[2];break;case"s":r=y[2];break;case"i":o=y[2]}}if(i.substr(0,S.length)!==S)return e._sasl_data={},e._sasl_failure_cb();for(m+="r="+i,g+=m,r=atob(r),r+="\0\0\0
",d=n.utf16to8(e.pass),a=c=t.core_hmac_sha1(d,r),u=1;u<o;u++){for(h=t.core_hmac_sha1(d,t.binb2str(c)),l=0;l<5;l++)a[l]^=h[l];c=h}for(a=t.binb2str(a),p=t.core_hmac_sha1(a,"Client Key"),f=t.str_hmac_sha1(a,"Server Key"),_=t.core_hmac_sha1(t.str_sha1(t.binb2str(p)),g),e._sasl_data["server-signature"]=t.b64_hmac_sha1(f,g),l=0;l<5;l++)p[l]^=_[l];return m+=",p="+btoa(t.binb2str(p))}.bind(this),a},a.SASLMD5=function(){},a.SASLMD5.prototype=new a.SASLMechanism("DIGEST-MD5",!1,60),a.SASLMD5.prototype.test=function(t){return null!==t.authcid},a.SASLMD5.prototype._quote=function(t){return'"'+t.replace(/\\/g,"\\\\").replace(/"/g,'\\"')+'"'},a.SASLMD5.prototype.onChallenge=function(t,s,i){for(var r,o=/([a-z]+)=("[^"]+"|[^,"]+)(?:,|$)/,a=i||e.hexdigest(""+1234567890*Math.random()),h="",c=null,u="",l="";s.match(o);)switch(r=s.match(o),s=s.replace(r[0],""),r[2]=r[2].replace(/^"(.+)"$/,"$1"),r[1]){case"realm":h=r[2];break;case"nonce":u=r[2];break;case"qop":l=r[2];break;case"host":c=r[2]}var d=t.servtype+"/"+t.domain;null!==c&&(d=d+"/"+c);var p=n.utf16to8(t.authcid+":"+h+":"+this._connection.pass),f=e.hash(p)+":"+u+":"+a,_="AUTHENTICATE:"+d,m="";return m+="charset=utf-8,",m+="username="+this._quote(n.utf16to8(t.authcid))+",",m+="realm="+this._quote(h)+",",m+="nonce="+this._quote(u)+",",m+="nc=00000001,",m+="cnonce="+this._quote(a)+",",m+="digest-uri="+this._quote(d)+",",m+="response="+e.hexdigest(e.hexdigest(f)+":"+u+":00000001:"+a+":auth:"+e.hexdigest(_))+",",m+="qop=auth",this.onChallenge=function(){return""},m},a.SASLOAuthBearer=function(){},a.SASLOAuthBearer.prototype=new a.SASLMechanism("OAUTHBEARER",!0,40),a.SASLOAuthBearer.prototype.test=function(t){return null!==t.pass},a.SASLOAuthBearer.prototype.onChallenge=function(t){var e="n,";return null!==t.authcid&&(e=e+"a="+t.authzid),e+=",",e+="
",e+="auth=Bearer ",e+=t.pass,e+="
",e+="
",n.utf16to8(e)},a.SASLExternal=function(){},a.SASLExternal.prototype=new a.SASLMechanism("EXTERNAL",!0,10),a.SASLExternal.prototype.onChallenge=function(t){return t.authcid===t.authzid?"":t.authzid},a.SASLXOAuth2=function(){},a.SASLXOAuth2.prototype=new a.SASLMechanism("X-OAUTH2",!0,30),a.SASLXOAuth2.prototype.test=function(t){return null!==t.pass},a.SASLXOAuth2.prototype.onChallenge=function(t){var e="\0";return null!==t.authcid&&(e+=t.authzid),e+="\0",e+=t.pass,n.utf16to8(e)},{Strophe:a,$build:s,$iq:r,$msg:i,$pres:o,SHA1:t,MD5:e,b64_hmac_sha1:t.b64_hmac_sha1,b64_sha1:t.b64_sha1,str_hmac_sha1:t.str_hmac_sha1,str_sha1:t.str_sha1}}),function(t,s){if("function"==typeof n&&n.amd)n("strophe-bosh",["strophe-core"],function(t){return s(t.Strophe,t.$build)});else{if("object"!=typeof exports)return s(Strophe,$build);var i=e("./core");module.exports=s(i.Strophe,i.$build)}}(this,function(t,e){return t.Request=function(e,n,s,i){this.id=++t._requestId,this.xmlData=e,this.data=t.serialize(e),this.origFunc=n,this.func=n,this.rid=s,this.date=NaN,this.sends=i||0,this.abort=!1,this.dead=null,this.age=function(){if(!this.date)return 0;var t=new Date;return(t-this.date)/1e3},this.timeDead=function(){if(!this.dead)return 0;var t=new Date;return(t-this.dead)/1e3},this.xhr=this._newXHR()},t.Request.prototype={getResponse:function(){var e=null;if(this.xhr.responseXML&&this.xhr.responseXML.documentElement){if(e=this.xhr.responseXML.documentElement,"parsererror"===e.tagName)throw t.error("invalid response received"),t.error("responseText: "+this.xhr.responseText),t.error("responseXML: "+t.serialize(this.xhr.responseXML)),"parsererror"}else if(this.xhr.responseText){if(t.debug("Got responseText but no responseXML; attempting to parse it with DOMParser..."),e=(new DOMParser).parseFromString(this.xhr.responseText,"application/xml").documentElement,!e)throw new Error("Parsing produced null node");if(e.querySelector("parsererror"))throw t.error("invalid response received: "+e.querySelector("parsererror").textContent),t.error("responseText: "+this.xhr.responseText),"badformat"}return e},_newXHR:function(){var t=null;return window.XMLHttpRequest?(t=new XMLHttpRequest,t.overrideMimeType&&t.overrideMimeType("text/xml; charset=utf-8")):window.ActiveXObject&&(t=new ActiveXObject("Microsoft.XMLHTTP")),t.onreadystatechange=this.func.bind(null,this),t}},t.Bosh=function(t){this._conn=t,this.rid=Math.floor(4294967295*Math.random()),this.sid=null,this.hold=1,this.wait=60,this.window=5,this.errors=0,this.inactivity=null,this.lastResponseHeaders=null,this._requests=[]},t.Bosh.prototype={strip:null,_buildBody:function(){var n=e("body",{rid:this.rid++,xmlns:t.NS.HTTPBIND});return null!==this.sid&&n.attrs({sid:this.sid}),this._conn.options.keepalive&&this._conn._sessionCachingSupported()&&this._cacheSession(),n},_reset:function(){this.rid=Math.floor(4294967295*Math.random()),this.sid=null,this.errors=0,this._conn._sessionCachingSupported()&&window.sessionStorage.removeItem("strophe-bosh-session"),this._conn.nextValidRid(this.rid)},_connect:function(e,n,s){this.wait=e||this.wait,this.hold=n||this.hold,this.errors=0;var i=this._buildBody().attrs({to:this._conn.domain,"xml:lang":"en",wait:this.wait,hold:this.hold,content:"text/xml; charset=utf-8",ver:"1.6","xmpp:version":"1.0","xmlns:xmpp":t.NS.BOSH});s&&i.attrs({route:s});var r=this._conn._connect_cb;this._requests.push(new t.Request(i.tree(),this._onRequestStateChange.bind(this,r.bind(this._conn)),i.tree().getAttribute("rid"))),this._throttledRequestHandler()},_attach:function(e,n,s,i,r,o,a){this._conn.jid=e,this.sid=n,this.rid=s,this._conn.connect_callback=i,this._conn.domain=t.getDomainFromJid(this._conn.jid),this._conn.authenticated=!0,this._conn.connected=!0,this.wait=r||this.wait,this.hold=o||this.hold,this.window=a||this.window,this._conn._changeConnectStatus(t.Status.ATTACHED,null)},_restore:function(e,n,s,i,r){var o=JSON.parse(window.sessionStorage.getItem("strophe-bosh-session"));if(!("undefined"!=typeof o&&null!==o&&o.rid&&o.sid&&o.jid&&("undefined"==typeof e||null===e||t.getBareJidFromJid(o.jid)===t.getBareJidFromJid(e)||null===t.getNodeFromJid(e)&&t.getDomainFromJid(o.jid)===e)))throw{name:"StropheSessionError",message:"_restore: no restoreable session."};this._conn.restored=!0,this._attach(o.jid,o.sid,o.rid,n,s,i,r)},_cacheSession:function(){this._conn.authenticated?this._conn.jid&&this.rid&&this.sid&&window.sessionStorage.setItem("strophe-bosh-session",JSON.stringify({jid:this._conn.jid,rid:this.rid,sid:this.sid})):window.sessionStorage.removeItem("strophe-bosh-session")},_connect_cb:function(e){var n,s,i=e.getAttribute("type");if(null!==i&&"terminate"===i)return n=e.getAttribute("condition"),t.error("BOSH-Connection failed: "+n),s=e.getElementsByTagName("conflict"),null!==n?("remote-stream-error"===n&&s.length>0&&(n="conflict"),this._conn._changeConnectStatus(t.Status.CONNFAIL,n)):this._conn._changeConnectStatus(t.Status.CONNFAIL,"unknown"),this._conn._doDisconnect(n),t.Status.CONNFAIL;this.sid||(this.sid=e.getAttribute("sid"));var r=e.getAttribute("requests");r&&(this.window=parseInt(r,10));var o=e.getAttribute("hold");o&&(this.hold=parseInt(o,10));var a=e.getAttribute("wait");a&&(this.wait=parseInt(a,10));var h=e.getAttribute("inactivity");h&&(this.inactivity=parseInt(h,10))},_disconnect:function(t){this._sendTerminate(t)},_doDisconnect:function(){this.sid=null,this.rid=Math.floor(4294967295*Math.random()),this._conn._sessionCachingSupported()&&window.sessionStorage.removeItem("strophe-bosh-session"),this._conn.nextValidRid(this.rid)},_emptyQueue:function(){return 0===this._requests.length},_callProtocolErrorHandlers:function(t){var e,n=this._getRequestStatus(t);e=this._conn.protocolErrorHandlers.HTTP[n],e&&e.call(this,n)},_hitError:function(e){this.errors++,t.warn("request errored, status: "+e+", number of errors: "+this.errors),this.errors>4&&this._conn._onDisconnectTimeout()},_no_auth_received:function(e){t.warn("Server did not yet offer a supported authentication mechanism. Sending a blank poll request."),e=e?e.bind(this._conn):this._conn._connect_cb.bind(this._conn);var n=this._buildBody();this._requests.push(new t.Request(n.tree(),this._onRequestStateChange.bind(this,e),n.tree().getAttribute("rid"))),this._throttledRequestHandler()},_onDisconnectTimeout:function(){this._abortAllRequests()},_abortAllRequests:function(){for(var t;this._requests.length>0;)t=this._requests.pop(),t.abort=!0,t.xhr.abort(),t.xhr.onreadystatechange=function(){}},_onIdle:function(){var e=this._conn._data;if(this._conn.authenticated&&0===this._requests.length&&0===e.length&&!this._conn.disconnecting&&(t.info("no requests during idle cycle, sending blank request"),e.push(null)),!this._conn.paused){if(this._requests.length<2&&e.length>0){for(var n=this._buildBody(),s=0;s<e.length;s++)null!==e[s]&&("restart"===e[s]?n.attrs({to:this._conn.domain,"xml:lang":"en","xmpp:restart":"true","xmlns:xmpp":t.NS.BOSH}):n.cnode(e[s]).up());delete this._conn._data,this._conn._data=[],this._requests.push(new t.Request(n.tree(),this._onRequestStateChange.bind(this,this._conn._dataRecv.bind(this._conn)),n.tree().getAttribute("rid"))),this._throttledRequestHandler()}if(this._requests.length>0){var i=this._requests[0].age();null!==this._requests[0].dead&&this._requests[0].timeDead()>Math.floor(t.SECONDARY_TIMEOUT*this.wait)&&this._throttledRequestHandler(),i>Math.floor(t.TIMEOUT*this.wait)&&(t.warn("Request "+this._requests[0].id+" timed out, over "+Math.floor(t.TIMEOUT*this.wait)+" seconds since last activity"),this._throttledRequestHandler())}}},_getRequestStatus:function(e,n){var s;if(4===e.xhr.readyState)try{s=e.xhr.status}catch(e){t.error("Caught an error while retrieving a request's status, reqStatus: "+s)}return"undefined"==typeof s&&(s="number"==typeof n?n:0),s},_onRequestStateChange:function(e,n){if(t.debug("request id "+n.id+"."+n.sends+" state changed to "+n.xhr.readyState),n.abort)return void(n.abort=!1);if(4===n.xhr.readyState){var s=this._getRequestStatus(n);if(this.lastResponseHeaders=n.xhr.getAllResponseHeaders(),this.disconnecting&&s>=400)return this._hitError(s),void this._callProtocolErrorHandlers(n);var i=s>0&&s<500,r=n.sends>this._conn.maxRetries;if((i||r)&&(this._removeRequest(n),t.debug("request id "+n.id+" should now be removed")),200===s){var o=this._requests[0]===n,a=this._requests[1]===n;(a||o&&this._requests.length>0&&this._requests[0].age()>Math.floor(t.SECONDARY_TIMEOUT*this.wait))&&this._restartRequest(0),this._conn.nextValidRid(Number(n.rid)+1),t.debug("request id "+n.id+"."+n.sends+" got 200"),e(n),this.errors=0}else 0===s||s>=400&&s<600||s>=12e3?(t.error("request id "+n.id+"."+n.sends+" error "+s+" happened"),this._hitError(s),this._callProtocolErrorHandlers(n),s>=400&&s<500&&(this._conn._changeConnectStatus(t.Status.DISCONNECTING,null),this._conn._doDisconnect())):t.error("request id "+n.id+"."+n.sends+" error "+s+" happened");i||r?r&&!this._conn.connected&&this._conn._changeConnectStatus(t.Status.CONNFAIL,"giving-up"):this._throttledRequestHandler()}},_processRequest:function(e){var n=this,s=this._requests[e],i=this._getRequestStatus(s,-1);if(s.sends>this._conn.maxRetries)return void this._conn._onDisconnectTimeout();var r=s.age(),o=!isNaN(r)&&r>Math.floor(t.TIMEOUT*this.wait),a=null!==s.dead&&s.timeDead()>Math.floor(t.SECONDARY_TIMEOUT*this.wait),h=4===s.xhr.readyState&&(i<1||i>=500);if((o||a||h)&&(a&&t.error("Request "+this._requests[e].id+" timed out (secondary), restarting"),s.abort=!0,s.xhr.abort(),s.xhr.onreadystatechange=function(){},this._requests[e]=new t.Request(s.xmlData,s.origFunc,s.rid,s.sends),s=this._requests[e]),0===s.xhr.readyState){t.debug("request id "+s.id+"."+s.sends+" posting");try{var c=this._conn.options.contentType||"text/xml; charset=utf-8";s.xhr.open("POST",this._conn.service,!this._conn.options.sync),"undefined"!=typeof s.xhr.setRequestHeader&&s.xhr.setRequestHeader("Content-Type",c),this._conn.options.withCredentials&&(s.xhr.withCredentials=!0)}catch(e){return t.error("XHR open failed: "+e.toString()),this._conn.connected||this._conn._changeConnectStatus(t.Status.CONNFAIL,"bad-service"),void this._conn.disconnect()}var u=function(){if(s.date=new Date,n._conn.options.customHeaders){var t=n._conn.options.customHeaders;for(var e in t)t.hasOwnProperty(e)&&s.xhr.setRequestHeader(e,t[e])}s.xhr.send(s.data)};if(s.sends>1){var l=1e3*Math.min(Math.floor(t.TIMEOUT*this.wait),Math.pow(s.sends,3));setTimeout(function(){u()},l)}else u();s.sends++,this._conn.xmlOutput!==t.Connection.prototype.xmlOutput&&(s.xmlData.nodeName===this.strip&&s.xmlData.childNodes.length?this._conn.xmlOutput(s.xmlData.childNodes[0]):this._conn.xmlOutput(s.xmlData)),this._conn.rawOutput!==t.Connection.prototype.rawOutput&&this._conn.rawOutput(s.data)}else t.debug("_processRequest: "+(0===e?"first":"second")+" request has readyState of "+s.xhr.readyState)},_removeRequest:function(e){t.debug("removing request");var n;for(n=this._requests.length-1;n>=0;n--)e===this._requests[n]&&this._requests.splice(n,1);e.xhr.onreadystatechange=function(){},this._throttledRequestHandler()},_restartRequest:function(t){var e=this._requests[t];null===e.dead&&(e.dead=new Date),this._processRequest(t)},_reqToData:function(t){try{return t.getResponse()}catch(t){if("parsererror"!==t)throw t;this._conn.disconnect("strophe-parsererror")}},_sendTerminate:function(e){t.info("_sendTerminate was called");var n=this._buildBody().attrs({type:"terminate"});e&&n.cnode(e.tree());var s=new t.Request(n.tree(),this._onRequestStateChange.bind(this,this._conn._dataRecv.bind(this._conn)),n.tree().getAttribute("rid"));this._requests.push(s),this._throttledRequestHandler()},_send:function(){clearTimeout(this._conn._idleTimeout),this._throttledRequestHandler(),this._conn._idleTimeout=setTimeout(function(){this._onIdle()}.bind(this._conn),100)},_sendRestart:function(){this._throttledRequestHandler(),clearTimeout(this._conn._idleTimeout)},_throttledRequestHandler:function(){this._requests?t.debug("_throttledRequestHandler called with "+this._requests.length+" requests"):t.debug("_throttledRequestHandler called with undefined requests"),this._requests&&0!==this._requests.length&&(this._requests.length>0&&this._processRequest(0),this._requests.length>1&&Math.abs(this._requests[0].rid-this._requests[1].rid)<this.window&&this._processRequest(1))}},t}),function(t,s){if("function"==typeof n&&n.amd)n("strophe-websocket",["strophe-core"],function(t){return s(t.Strophe,t.$build)});else{if("object"!=typeof exports)return s(Strophe,$build);var i=e("./core");module.exports=s(i.Strophe,i.$build)}}(this,function(t,e){return t.Websocket=function(t){this._conn=t,this.strip="wrapper";var e=t.service;if(0!==e.indexOf("ws:")&&0!==e.indexOf("wss:")){var n="";n+="ws"===t.options.protocol&&"https:"!==window.location.protocol?"ws":"wss",n+="://"+window.location.host,n+=0!==e.indexOf("/")?window.location.pathname+e:e,t.service=n}},t.Websocket.prototype={_buildStream:function(){return e("open",{xmlns:t.NS.FRAMING,to:this._conn.domain,version:"1.0"})},_check_streamerror:function(e,n){var s;if(s=e.getElementsByTagNameNS?e.getElementsByTagNameNS(t.NS.STREAM,"error"):e.getElementsByTagName("stream:error"),0===s.length)return!1;for(var i=s[0],r="",o="",a="urn:ietf:params:xml:ns:xmpp-streams",h=0;h<i.childNodes.length;h++){var c=i.childNodes[h];if(c.getAttribute("xmlns")!==a)break;"text"===c.nodeName?o=c.textContent:r=c.nodeName}var u="WebSocket stream error: ";return u+=r?r:"unknown",o&&(u+=" - "+o),t.error(u),this._conn._changeConnectStatus(n,r),this._conn._doDisconnect(),!0},_reset:function(){},_connect:function(){this._closeSocket(),this.socket=new WebSocket(this._conn.service,"xmpp"),this.socket.onopen=this._onOpen.bind(this),this.socket.onerror=this._onError.bind(this),this.socket.onclose=this._onClose.bind(this),this.socket.onmessage=this._connect_cb_wrapper.bind(this)},_connect_cb:function(e){var n=this._check_streamerror(e,t.Status.CONNFAIL);if(n)return t.Status.CONNFAIL},_handleStreamStart:function(e){var n=!1,s=e.getAttribute("xmlns");"string"!=typeof s?n="Missing xmlns in <open />":s!==t.NS.FRAMING&&(n="Wrong xmlns in <open />: "+s);var i=e.getAttribute("version");return"string"!=typeof i?n="Missing version in <open />":"1.0"!==i&&(n="Wrong version in <open />: "+i),!n||(this._conn._changeConnectStatus(t.Status.CONNFAIL,n),this._conn._doDisconnect(),!1)},_connect_cb_wrapper:function(e){if(0===e.data.indexOf("<open ")||0===e.data.indexOf("<?xml")){var n=e.data.replace(/^(<\?.*?\?>\s*)*/,"");if(""===n)return;var s=(new DOMParser).parseFromString(n,"text/xml").documentElement;this._conn.xmlInput(s),this._conn.rawInput(e.data),this._handleStreamStart(s)&&this._connect_cb(s)}else if(0===e.data.indexOf("<close ")){var i=(new DOMParser).parseFromString(e.data,"text/xml").documentElement;this._conn.xmlInput(i),this._conn.rawInput(e.data);var r=i.getAttribute("see-other-uri");if(r){var o=this._conn.service,a=o.indexOf("wss:")>=0&&r.indexOf("wss:")>=0||o.indexOf("ws:")>=0;a&&(this._conn._changeConnectStatus(t.Status.REDIRECT,"Received see-other-uri, resetting connection"),this._conn.reset(),this._conn.service=r,this._connect())}else this._conn._changeConnectStatus(t.Status.CONNFAIL,"Received closing stream"),this._conn._doDisconnect()}else{var h=this._streamWrap(e.data),c=(new DOMParser).parseFromString(h,"text/xml").documentElement;this.socket.onmessage=this._onMessage.bind(this),this._conn._connect_cb(c,null,e.data)}},_disconnect:function(n){if(this.socket&&this.socket.readyState!==WebSocket.CLOSED){n&&this._conn.send(n);var s=e("close",{xmlns:t.NS.FRAMING});this._conn.xmlOutput(s.tree());var i=t.serialize(s);this._conn.rawOutput(i);try{this.socket.send(i)}catch(e){t.info("Couldn't send <close /> tag.")}}this._conn._doDisconnect()},_doDisconnect:function(){t.info("WebSockets _doDisconnect was called"),this._closeSocket()},_streamWrap:function(t){return"<wrapper>"+t+"</wrapper>"},_closeSocket:function(){if(this.socket)try{this.socket.onerror=null,this.socket.close()}catch(t){}this.socket=null},_emptyQueue:function(){return!0},_onClose:function(e){this._conn.connected&&!this._conn.disconnecting?(t.error("Websocket closed unexpectedly"),this._conn._doDisconnect()):e&&1006===e.code&&!this._conn.connected&&this.socket?(t.error("Websocket closed unexcectedly"),this._conn._changeConnectStatus(t.Status.CONNFAIL,"The WebSocket connection could not be established or was disconnected."),this._conn._doDisconnect()):t.info("Websocket closed")},_no_auth_received:function(e){t.error("Server did not offer a supported authentication mechanism"),this._changeConnectStatus(t.Status.CONNFAIL,t.ErrorCondition.NO_AUTH_MECH),e&&e.call(this._conn),this._conn._doDisconnect()},_onDisconnectTimeout:function(){},_abortAllRequests:function(){},_onError:function(e){t.error("Websocket error "+e),this._conn._changeConnectStatus(t.Status.CONNFAIL,"The WebSocket connection could not be established or was disconnected."),this._disconnect()},_onIdle:function(){var e=this._conn._data;if(e.length>0&&!this._conn.paused){for(var n=0;n<e.length;n++)if(null!==e[n]){var s,i;s="restart"===e[n]?this._buildStream().tree():e[n],i=t.serialize(s),this._conn.xmlOutput(s),this._conn.rawOutput(i),this.socket.send(i)}this._conn._data=[]}},_onMessage:function(e){var n,s,i='<close xmlns="urn:ietf:params:xml:ns:xmpp-framing" />';if(e.data===i)return this._conn.rawInput(i),this._conn.xmlInput(e),void(this._conn.disconnecting||this._conn._doDisconnect());if(0===e.data.search("<open ")){if(n=(new DOMParser).parseFromString(e.data,"text/xml").documentElement,!this._handleStreamStart(n))return}else s=this._streamWrap(e.data),n=(new DOMParser).parseFromString(s,"text/xml").documentElement;return this._check_streamerror(n,t.Status.ERROR)?void 0:this._conn.disconnecting&&"presence"===n.firstChild.nodeName&&"unavailable"===n.firstChild.getAttribute("type")?(this._conn.xmlInput(n),void this._conn.rawInput(t.serialize(n))):void this._conn._dataRecv(n,e.data)},_onOpen:function(){t.info("Websocket open");var e=this._buildStream();this._conn.xmlOutput(e.tree());var n=t.serialize(e);this._conn.rawOutput(n),this.socket.send(n)},_reqToData:function(t){return t},_send:function(){this._conn.flush()},_sendRestart:function(){clearTimeout(this._conn._idleTimeout),this._conn._onIdle.bind(this._conn)()}},t}),function(t){if("function"==typeof n&&n.amd)n("strophe",["strophe-core","strophe-bosh","strophe-websocket"],function(t){return t});else if("object"==typeof exports){var s=e("./core");e("./bosh"),e("./websocket"),module.exports=s}}(this),e(["strophe-polyfill"]),e("strophe")});