// Socket.io (v1.5.0)
// Copyright (c) 2014 Guillermo Rauch
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
// THE SOFTWARE.
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e.code=t.data,this.onError(e);break;case"message":this.emit("data",t.data),this.emit("message",t.data)}else a('packet received with socket readyState "%s"',this.readyState)},n.prototype.onHandshake=function(t){this.emit("handshake",t),this.id=t.sid,this.transport.query.sid=t.sid,this.upgrades=this.filterUpgrades(t.upgrades),this.pingInterval=t.pingInterval,this.pingTimeout=t.pingTimeout,this.onOpen(),"closed"!=this.readyState&&(this.setPing(),this.removeListener("heartbeat",this.onHeartbeat),this.on("heartbeat",this.onHeartbeat))},n.prototype.onHeartbeat=function(t){clearTimeout(this.pingTimeoutTimer);var e=this;e.pingTimeoutTimer=setTimeout(function(){"closed"!=e.readyState&&e.onClose("ping timeout")},t||e.pingInterval+e.pingTimeout)},n.prototype.setPing=function(){var t=this;clearTimeout(t.pingIntervalTimer),t.pingIntervalTimer=setTimeout(function(){a("writing ping packet - expecting pong within 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o={type:t,data:e,options:r};this.emit("packetCreate",o),this.writeBuffer.push(o),n&&this.once("flush",n),this.flush()}},n.prototype.close=function(){function t(){n.onClose("forced close"),a("socket closing - telling transport to close"),n.transport.close()}function e(){n.removeListener("upgrade",e),n.removeListener("upgradeError",e),t()}function r(){n.once("upgrade",e),n.once("upgradeError",e)}if("opening"==this.readyState||"open"==this.readyState){this.readyState="closing";var n=this;this.writeBuffer.length?this.once("drain",function(){this.upgrading?r():t()}):this.upgrading?r():t()}return this},n.prototype.onError=function(t){a("socket error %j",t),n.priorWebsocketSuccess=!1,this.emit("error",t),this.onClose("transport error",t)},n.prototype.onClose=function(t,e){if("opening"==this.readyState||"open"==this.readyState||"closing"==this.readyState){a('socket close with reason: "%s"',t);var r=this;clearTimeout(this.pingIntervalTimer),clearTimeout(this.pingTimeoutTimer),this.transport.removeAllListeners("close"),this.transport.close(),this.transport.removeAllListeners(),this.readyState="closed",this.id=null,this.emit("close",t,e),r.writeBuffer=[],r.prevBufferLen=0}},n.prototype.filterUpgrades=function(t){for(var e=[],r=0,n=t.length;n>r;r++)~c(this.transports,t[r])&&e.push(t[r]);return e}}).call(e,function(){return this}())},function(t,e,r){(function(t){function n(e){var r,n=!1,a=!1,c=!1!==e.jsonp;if(t.location){var p="https:"==location.protocol,u=location.port;u||(u=p?443:80),n=e.hostname!=location.hostname||u!=e.port,a=e.secure!=p}if(e.xdomain=n,e.xscheme=a,r=new o(e),"open"in r&&!e.forceJSONP)return new i(e);if(!c)throw new Error("JSONP disabled");return new s(e)}var o=r(19),i=r(21),s=r(37),a=r(38);e.polling=n,e.websocket=a}).call(e,function(){return this}())},function(t,e,r){var n=r(20);t.exports=function(t){var e=t.xdomain,r=t.xscheme,o=t.enablesXDR;try{if("undefined"!=typeof XMLHttpRequest&&(!e||n))return new XMLHttpRequest}catch(i){}try{if("undefined"!=typeof XDomainRequest&&!r&&o)return new XDomainRequest}catch(i){}if(!e)try{return new ActiveXObject("Microsoft.XMLHTTP")}catch(i){}}},function(t){try{t.exports="undefined"!=typeof XMLHttpRequest&&"withCredentials"in new XMLHttpRequest}catch(e){t.exports=!1}},function(t,e,r){(function(e){function n(){}function o(t){if(c.call(this,t),e.location){var r="https:"==location.protocol,n=location.port;n||(n=r?443:80),this.xd=t.hostname!=e.location.hostname||n!=t.port,this.xs=t.secure!=r}else this.extraHeaders=t.extraHeaders}function i(t){this.method=t.method||"GET",this.uri=t.uri,this.xd=!!t.xd,this.xs=!!t.xs,this.async=!1!==t.async,this.data=void 0!=t.data?t.data:null,this.agent=t.agent,this.isBinary=t.isBinary,this.supportsBinary=t.supportsBinary,this.enablesXDR=t.enablesXDR,this.pfx=t.pfx,this.key=t.key,this.passphrase=t.passphrase,this.cert=t.cert,this.ca=t.ca,this.ciphers=t.ciphers,this.rejectUnauthorized=t.rejectUnauthorized,this.extraHeaders=t.extraHeaders,this.create()}function s(){for(var t in i.requests)i.requests.hasOwnProperty(t)&&i.requests[t].abort()}var a=r(19),c=r(22),p=r(33),u=r(35),h=r(3)("engine.io-client:polling-xhr");t.exports=o,t.exports.Request=i,u(o,c),o.prototype.supportsBinary=!0,o.prototype.request=function(t){return t=t||{},t.uri=this.uri(),t.xd=this.xd,t.xs=this.xs,t.agent=this.agent||!1,t.supportsBinary=this.supportsBinary,t.enablesXDR=this.enablesXDR,t.pfx=this.pfx,t.key=this.key,t.passphrase=this.passphrase,t.cert=this.cert,t.ca=this.ca,t.ciphers=this.ciphers,t.rejectUnauthorized=this.rejectUnauthorized,t.extraHeaders=this.extraHeaders,new i(t)},o.prototype.doWrite=function(t,e){var r="string"!=typeof t&&void 0!==t,n=this.request({method:"POST",data:t,isBinary:r}),o=this;n.on("success",e),n.on("error",function(t){o.onError("xhr post error",t)}),this.sendXhr=n},o.prototype.doPoll=function(){h("xhr poll");var t=this.request(),e=this;t.on("data",function(t){e.onData(t)}),t.on("error",function(t){e.onError("xhr poll error",t)}),this.pollXhr=t},p(i.prototype),i.prototype.create=function(){var t={agent:this.agent,xdomain:this.xd,xscheme:this.xs,enablesXDR:this.enablesXDR};t.pfx=this.pfx,t.key=this.key,t.passphrase=this.passphrase,t.cert=this.cert,t.ca=this.ca,t.ciphers=this.ciphers,t.rejectUnauthorized=this.rejectUnauthorized;var r=this.xhr=new a(t),n=this;try{h("xhr open %s: %s",this.method,this.uri),r.open(this.method,this.uri,this.async);try{if(this.extraHeaders){r.setDisableHeaderCheck(!0);for(var o in this.extraHeaders)this.extraHeaders.hasOwnProperty(o)&&r.setRequestHeader(o,this.extraHeaders[o])}}catch(s){}if(this.supportsBinary&&(r.responseType="arraybuffer"),"POST"==this.method)try{this.isBinary?r.setRequestHeader("Content-type","application/octet-stream"):r.setRequestHeader("Content-type","text/plain;charset=UTF-8")}catch(s){}"withCredentials"in r&&(r.withCredentials=!0),this.hasXDR()?(r.onload=function(){n.onLoad()},r.onerror=function(){n.onError(r.responseText)}):r.onreadystatechange=function(){4==r.readyState&&(200==r.status||1223==r.status?n.onLoad():setTimeout(function(){n.onError(r.status)},0))},h("xhr data %s",this.data),r.send(this.data)}catch(s){return void setTimeout(function(){n.onError(s)},0)}e.document&&(this.index=i.requestsCount++,i.requests[this.index]=this)},i.prototype.onSuccess=function(){this.emit("success"),this.cleanup()},i.prototype.onData=function(t){this.emit("data",t),this.onSuccess()},i.prototype.onError=function(t){this.emit("error",t),this.cleanup(!0)},i.prototype.cleanup=function(t){if("undefined"!=typeof this.xhr&&null!==this.xhr){if(this.hasXDR()?this.xhr.onload=this.xhr.onerror=n:this.xhr.onreadystatechange=n,t)try{this.xhr.abort()}catch(r){}e.document&&delete i.requests[this.index],this.xhr=null}},i.prototype.onLoad=function(){var t;try{var e;try{e=this.xhr.getResponseHeader("Content-Type").split(";")[0]}catch(r){}if("application/octet-stream"===e)t=this.xhr.response;else if(this.supportsBinary)try{t=String.fromCharCode.apply(null,new Uint8Array(this.xhr.response))}catch(r){for(var n=new Uint8Array(this.xhr.response),o=[],i=0,s=n.length;s>i;i++)o.push(n[i]);t=String.fromCharCode.apply(null,o)}else t=this.xhr.responseText}catch(r){this.onError(r)}null!=t&&this.onData(t)},i.prototype.hasXDR=function(){return"undefined"!=typeof e.XDomainRequest&&!this.xs&&this.enablesXDR},i.prototype.abort=function(){this.cleanup()},e.document&&(i.requestsCount=0,i.requests={},e.attachEvent?e.attachEvent("onunload",s):e.addEventListener&&e.addEventListener("beforeunload",s,!1))}).call(e,function(){return this}())},function(t,e,r){function n(t){var e=t&&t.forceBase64;u&&!e||(this.supportsBinary=!1),o.call(this,t)}var o=r(23),i=r(34),s=r(24),a=r(35),c=r(36),p=r(3)("engine.io-client:polling");t.exports=n;var u=function(){var t=r(19),e=new t({xdomain:!1});return null!=e.responseType}();a(n,o),n.prototype.name="polling",n.prototype.doOpen=function(){this.poll()},n.prototype.pause=function(t){function e(){p("paused"),r.readyState="paused",t()}var r=this;if(this.readyState="pausing",this.polling||!this.writable){var n=0;this.polling&&(p("we are currently polling - waiting to pause"),n++,this.once("pollComplete",function(){p("pre-pause polling complete"),--n||e()})),this.writable||(p("we are currently writing - waiting to pause"),n++,this.once("drain",function(){p("pre-pause writing complete"),--n||e()}))}else e()},n.prototype.poll=function(){p("polling"),this.polling=!0,this.doPoll(),this.emit("poll")},n.prototype.onData=function(t){var e=this;p("polling got data %s",t);var r=function(t){return"opening"==e.readyState&&e.onOpen(),"close"==t.type?(e.onClose(),!1):void e.onPacket(t)};s.decodePayload(t,this.socket.binaryType,r),"closed"!=this.readyState&&(this.polling=!1,this.emit("pollComplete"),"open"==this.readyState?this.poll():p('ignoring poll - transport state "%s"',this.readyState))},n.prototype.doClose=function(){function t(){p("writing close packet"),e.write([{type:"close"}])}var e=this;"open"==this.readyState?(p("transport open - closing"),t()):(p("transport not open - deferring close"),this.once("open",t))},n.prototype.write=function(t){var e=this;this.writable=!1;var r=function(){e.writable=!0,e.emit("drain")},e=this;s.encodePayload(t,this.supportsBinary,function(t){e.doWrite(t,r)})},n.prototype.uri=function(){var t=this.query||{},e=this.secure?"https":"http",r="";!1!==this.timestampRequests&&(t[this.timestampParam]=c()),this.supportsBinary||t.sid||(t.b64=1),t=i.encode(t),this.port&&("https"==e&&443!=this.port||"http"==e&&80!=this.port)&&(r=":"+this.port),t.length&&(t="?"+t);var n=-1!==this.hostname.indexOf(":");return e+"://"+(n?"["+this.hostname+"]":this.hostname)+r+this.path+t}},function(t,e,r){function n(t){this.path=t.path,this.hostname=t.hostname,this.port=t.port,this.secure=t.secure,this.query=t.query,this.timestampParam=t.timestampParam,this.timestampRequests=t.timestampRequests,this.readyState="",this.agent=t.agent||!1,this.socket=t.socket,this.enablesXDR=t.enablesXDR,this.pfx=t.pfx,this.key=t.key,this.passphrase=t.passphrase,this.cert=t.cert,this.ca=t.ca,this.ciphers=t.ciphers,this.rejectUnauthorized=t.rejectUnauthorized,this.extraHeaders=t.extraHeaders}var o=r(24),i=r(33);t.exports=n,i(n.prototype),n.prototype.onError=function(t,e){var r=new Error(t);return r.type="TransportError",r.description=e,this.emit("error",r),this},n.prototype.open=function(){return"closed"!=this.readyState&&""!=this.readyState||(this.readyState="opening",this.doOpen()),this},n.prototype.close=function(){return"opening"!=this.readyState&&"open"!=this.readyState||(this.doClose(),this.onClose()),this},n.prototype.send=function(t){if("open"!=this.readyState)throw new Error("Transport not open");this.write(t)},n.prototype.onOpen=function(){this.readyState="open",this.writable=!0,this.emit("open")},n.prototype.onData=function(t){var e=o.decodePacket(t,this.socket.binaryType);this.onPacket(e)},n.prototype.onPacket=function(t){this.emit("packet",t)},n.prototype.onClose=function(){this.readyState="closed",this.emit("close")}},function(t,e,r){(function(t){function n(t,r){var n="b"+e.packets[t.type]+t.data.data;return r(n)}function o(t,r,n){if(!r)return e.encodeBase64Packet(t,n);var o=t.data,i=new Uint8Array(o),s=new Uint8Array(1+o.byteLength);s[0]=m[t.type];for(var a=0;a<i.length;a++)s[a+1]=i[a];return n(s.buffer)}function i(t,r,n){if(!r)return e.encodeBase64Packet(t,n);var o=new FileReader;return o.onload=function(){t.data=o.result,e.encodePacket(t,r,!0,n)},o.readAsArrayBuffer(t.data)}function s(t,r,n){if(!r)return e.encodeBase64Packet(t,n);if(g)return i(t,r,n);var o=new Uint8Array(1);o[0]=m[t.type];var s=new k([o.buffer,t.data]);return n(s)}function a(t,e,r){for(var n=new Array(t.length),o=f(t.length,r),i=function(t,r,o){e(r,function(e,r){n[t]=r,o(e,n)})},s=0;s<t.length;s++)i(s,t[s],o)}var c=r(25),p=r(26),u=r(28),h=r(29),f=r(30),l=r(31),d=navigator.userAgent.match(/Android/i),y=/PhantomJS/i.test(navigator.userAgent),g=d||y;e.protocol=3;var m=e.packets={open:0,close:1,ping:2,pong:3,message:4,upgrade:5,noop:6},v=c(m),b={type:"error",data:"parser error"},k=r(32);e.encodePacket=function(e,r,i,a){"function"==typeof r&&(a=r,r=!1),"function"==typeof i&&(a=i,i=null);var c=void 0===e.data?void 0:e.data.buffer||e.data;if(t.ArrayBuffer&&c instanceof ArrayBuffer)return o(e,r,a);if(k&&c instanceof t.Blob)return s(e,r,a);if(c&&c.base64)return n(e,a);var p=m[e.type];return void 0!==e.data&&(p+=i?l.encode(String(e.data)):String(e.data)),a(""+p)},e.encodeBase64Packet=function(r,n){var o="b"+e.packets[r.type];if(k&&r.data instanceof t.Blob){var i=new FileReader;return i.onload=function(){var t=i.result.split(",")[1];n(o+t)},i.readAsDataURL(r.data)}var s;try{s=String.fromCharCode.apply(null,new Uint8Array(r.data))}catch(a){for(var c=new Uint8Array(r.data),p=new Array(c.length),u=0;u<c.length;u++)p[u]=c[u];s=String.fromCharCode.apply(null,p)}return o+=t.btoa(s),n(o)},e.decodePacket=function(t,r,n){if("string"==typeof t||void 0===t){if("b"==t.charAt(0))return e.decodeBase64Packet(t.substr(1),r);if(n)try{t=l.decode(t)}catch(o){return b}var i=t.charAt(0);return Number(i)==i&&v[i]?t.length>1?{type:v[i],data:t.substring(1)}:{type:v[i]}:b}var s=new Uint8Array(t),i=s[0],a=u(t,1);return k&&"blob"===r&&(a=new k([a])),{type:v[i],data:a}},e.decodeBase64Packet=function(e,r){var n=v[e.charAt(0)];if(!t.ArrayBuffer)return{type:n,data:{base64:!0,data:e.substr(1)}};var o=h.decode(e.substr(1));return"blob"===r&&k&&(o=new k([o])),{type:n,data:o}},e.encodePayload=function(t,r,n){function o(t){return t.length+":"+t}function i(t,n){e.encodePacket(t,s?r:!1,!0,function(t){n(null,o(t))})}"function"==typeof r&&(n=r,r=null);var s=p(t);return r&&s?k&&!g?e.encodePayloadAsBlob(t,n):e.encodePayloadAsArrayBuffer(t,n):t.length?void a(t,i,function(t,e){return n(e.join(""))}):n("0:")},e.decodePayload=function(t,r,n){if("string"!=typeof t)return e.decodePayloadAsBinary(t,r,n);"function"==typeof r&&(n=r,r=null);var o;if(""==t)return n(b,0,1);for(var i,s,a="",c=0,p=t.length;p>c;c++){var u=t.charAt(c);if(":"!=u)a+=u;else{if(""==a||a!=(i=Number(a)))return n(b,0,1);if(s=t.substr(c+1,i),a!=s.length)return n(b,0,1);if(s.length){if(o=e.decodePacket(s,r,!0),b.type==o.type&&b.data==o.data)return n(b,0,1);var h=n(o,c+i,p);if(!1===h)return}c+=i,a=""}}return""!=a?n(b,0,1):void 0},e.encodePayloadAsArrayBuffer=function(t,r){function n(t,r){e.encodePacket(t,!0,!0,function(t){return r(null,t)})}return t.length?void a(t,n,function(t,e){var n=e.reduce(function(t,e){var r;return r="string"==typeof e?e.length:e.byteLength,t+r.toString().length+r+2},0),o=new Uint8Array(n),i=0;return e.forEach(function(t){var e="string"==typeof t,r=t;if(e){for(var n=new Uint8Array(t.length),s=0;s<t.length;s++)n[s]=t.charCodeAt(s);r=n.buffer}e?o[i++]=0:o[i++]=1;for(var a=r.byteLength.toString(),s=0;s<a.length;s++)o[i++]=parseInt(a[s]);o[i++]=255;for(var n=new Uint8Array(r),s=0;s<n.length;s++)o[i++]=n[s]}),r(o.buffer)}):r(new ArrayBuffer(0))},e.encodePayloadAsBlob=function(t,r){function n(t,r){e.encodePacket(t,!0,!0,function(t){var e=new Uint8Array(1);if(e[0]=1,"string"==typeof t){for(var n=new Uint8Array(t.length),o=0;o<t.length;o++)n[o]=t.charCodeAt(o);t=n.buffer,e[0]=0}for(var i=t instanceof ArrayBuffer?t.byteLength:t.size,s=i.toString(),a=new Uint8Array(s.length+1),o=0;o<s.length;o++)a[o]=parseInt(s[o]);if(a[s.length]=255,k){var c=new k([e.buffer,a.buffer,t]);r(null,c)}})}a(t,n,function(t,e){return r(new k(e))})},e.decodePayloadAsBinary=function(t,r,n){"function"==typeof r&&(n=r,r=null);for(var o=t,i=[],s=!1;o.byteLength>0;){for(var a=new Uint8Array(o),c=0===a[0],p="",h=1;255!=a[h];h++){if(p.length>310){s=!0;break}p+=a[h]}if(s)return n(b,0,1);o=u(o,2+p.length),p=parseInt(p);var f=u(o,0,p);if(c)try{f=String.fromCharCode.apply(null,new Uint8Array(f))}catch(l){var d=new Uint8Array(f);f="";for(var h=0;h<d.length;h++)f+=String.fromCharCode(d[h])}i.push(f),o=u(o,p)}var y=i.length;i.forEach(function(t,o){n(e.decodePacket(t,r,!0),o,y)})}}).call(e,function(){return this}())},function(t){t.exports=Object.keys||function(t){var e=[],r=Object.prototype.hasOwnProperty;for(var n in t)r.call(t,n)&&e.push(n);return e}},function(t,e,r){(function(e){function n(t){function r(t){if(!t)return!1;if(e.Buffer&&e.Buffer.isBuffer(t)||e.ArrayBuffer&&t instanceof ArrayBuffer||e.Blob&&t instanceof Blob||e.File&&t instanceof File)return!0;if(o(t)){for(var n=0;n<t.length;n++)if(r(t[n]))return!0}else if(t&&"object"==typeof t){t.toJSON&&(t=t.toJSON());for(var i in t)if(Object.prototype.hasOwnProperty.call(t,i)&&r(t[i]))return!0}return!1}return r(t)}var o=r(27);t.exports=n}).call(e,function(){return 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