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scrypted/plugins/core/ui/public/pushconnect.js
Koushik Dutta a46b2811ed initial commit
2021-08-24 21:22:41 -07:00

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t=f(this.connecting,e);~t&&this.connecting.splice(t,1),this.connecting.length||this.close()},p.prototype.packet=function(e){u("writing packet %j",e);var t=this;e.query&&0===e.type&&(e.nsp+="?"+e.query),t.encoding?t.packetBuffer.push(e):(t.encoding=!0,this.encoder.encode(e,function(n){for(var r=0;r<n.length;r++)t.engine.write(n[r],e.options);t.encoding=!1,t.processPacketQueue()}))},p.prototype.processPacketQueue=function(){if(this.packetBuffer.length>0&&!this.encoding){var e=this.packetBuffer.shift();this.packet(e)}},p.prototype.cleanup=function(){u("cleanup");for(var e=this.subs.length,t=0;t<e;t++){this.subs.shift().destroy()}this.packetBuffer=[],this.encoding=!1,this.lastPing=null,this.decoder.destroy()},p.prototype.close=p.prototype.disconnect=function(){u("disconnect"),this.skipReconnect=!0,this.reconnecting=!1,"opening"===this.readyState&&this.cleanup(),this.backoff.reset(),this.readyState="closed",this.engine&&this.engine.close()},p.prototype.onclose=function(e){u("onclose"),this.cleanup(),this.backoff.reset(),this.readyState="closed",this.emit("close",e),this._reconnection&&!this.skipReconnect&&this.reconnect()},p.prototype.reconnect=function(){if(this.reconnecting||this.skipReconnect)return this;var e=this;if(this.backoff.attempts>=this._reconnectionAttempts)u("reconnect failed"),this.backoff.reset(),this.emitAll("reconnect_failed"),this.reconnecting=!1;else{var t=this.backoff.duration();u("will wait %dms before reconnect attempt",t),this.reconnecting=!0;var n=setTimeout(function(){e.skipReconnect||(u("attempting reconnect"),e.emitAll("reconnect_attempt",e.backoff.attempts),e.emitAll("reconnecting",e.backoff.attempts),e.skipReconnect||e.open(function(t){t?(u("reconnect attempt error"),e.reconnecting=!1,e.reconnect(),e.emitAll("reconnect_error",t.data)):(u("reconnect success"),e.onreconnect())}))},t);this.subs.push({destroy:function(){clearTimeout(n)}})}},p.prototype.onreconnect=function(){var e=this.backoff.attempts;this.reconnecting=!1,this.backoff.reset(),this.updateSocketIds(),this.emitAll("reconnect",e)}},function(e,t,n){"use strict";var r=n(19),i=n(91),o=n(101),s=n(102);t.polling=function(e){var t=!1,n=!1,s=!1!==e.jsonp;if("undefined"!=typeof location){var a="https:"===location.protocol,c=location.port;c||(c=a?443:80),t=e.hostname!==location.hostname||c!==e.port,n=e.secure!==a}if(e.xdomain=t,e.xscheme=n,"open"in new r(e)&&!e.forceJSONP)return new i(e);if(!s)throw new Error("JSONP disabled");return new o(e)},t.websocket=s},function(e,t,n){"use strict";var r=n(20),i=n(12),o=n(6),s=n(13),a=n(43),c=n(14)("engine.io-client:polling");e.exports=f;var u=null!=new(n(19))({xdomain:!1}).responseType;function f(e){var t=e&&e.forceBase64;u&&!t||(this.supportsBinary=!1),r.call(this,e)}s(f,r),f.prototype.name="polling",f.prototype.doOpen=function(){this.poll()},f.prototype.pause=function(e){var t=this;function n(){c("paused"),t.readyState="paused",e()}if(this.readyState="pausing",this.polling||!this.writable){var r=0;this.polling&&(c("we are currently polling - waiting to pause"),r++,this.once("pollComplete",function(){c("pre-pause polling complete"),--r||n()})),this.writable||(c("we are currently writing - waiting to pause"),r++,this.once("drain",function(){c("pre-pause writing complete"),--r||n()}))}else n()},f.prototype.poll=function(){c("polling"),this.polling=!0,this.doPoll(),this.emit("poll")},f.prototype.onData=function(e){var t=this;c("polling got data %s",e);o.decodePayload(e,this.socket.binaryType,function(e,n,r){if("opening"===t.readyState&&t.onOpen(),"close"===e.type)return t.onClose(),!1;t.onPacket(e)}),"closed"!==this.readyState&&(this.polling=!1,this.emit("pollComplete"),"open"===this.readyState?this.poll():c('ignoring poll - transport state "%s"',this.readyState))},f.prototype.doClose=function(){var e=this;function t(){c("writing close packet"),e.write([{type:"close"}])}"open"===this.readyState?(c("transport open - closing"),t()):(c("transport not open - deferring close"),this.once("open",t))},f.prototype.write=function(e){var t=this;this.writable=!1;var n=function(){t.writable=!0,t.emit("drain")};o.encodePayload(e,this.supportsBinary,function(e){t.doWrite(e,n)})},f.prototype.uri=function(){var e=this.query||{},t=this.secure?"https":"http",n="";return!1!==this.timestampRequests&&(e[this.timestampParam]=a()),this.supportsBinary||e.sid||(e.b64=1),e=i.encode(e),this.port&&("https"===t&&443!==Number(this.port)||"http"===t&&80!==Number(this.port))&&(n=":"+this.port),e.length&&(e="?"+e),t+"://"+(-1!==this.hostname.indexOf(":")?"["+this.hostname+"]":this.hostname)+n+this.path+e}},function(e,t,n){"use strict";(function(t){var r=n(93),i=Object.prototype.toString,o="function"==typeof Blob||"undefined"!=typeof Blob&&"[object BlobConstructor]"===i.call(Blob),s="function"==typeof File||"undefined"!=typeof File&&"[object FileConstructor]"===i.call(File);e.exports=function e(n){if(!n||"object"!=typeof n)return!1;if(r(n)){for(var i=0,a=n.length;i<a;i++)if(e(n[i]))return!0;return!1}if("function"==typeof t&&t.isBuffer&&t.isBuffer(n)||"function"==typeof ArrayBuffer&&n instanceof ArrayBuffer||o&&n instanceof Blob||s&&n instanceof File)return!0;if(n.toJSON&&"function"==typeof n.toJSON&&1===arguments.length)return e(n.toJSON(),!0);for(var c in n)if(Object.prototype.hasOwnProperty.call(n,c)&&e(n[c]))return!0;return!1}}).call(this,n(7).Buffer)},function(e,t,n){"use strict";var r,i="0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz-_".split(""),o=64,s={},a=0,c=0;function u(e){var t="";do{t=i[e%o]+t,e=Math.floor(e/o)}while(e>0);return t}function f(){var e=u(+new Date);return e!==r?(a=0,r=e):e+"."+u(a++)}for(;c<o;c++)s[i[c]]=c;f.encode=u,f.decode=function(e){var t=0;for(c=0;c<e.length;c++)t=t*o+s[e.charAt(c)];return t},e.exports=f},function(e,t,n){"use strict";var r=[].indexOf;e.exports=function(e,t){if(r)return e.indexOf(t);for(var n=0;n<e.length;++n)if(e[n]===t)return n;return-1}},function(e,t,n){"use strict";var r=n(18),i=n(5),o=n(104),s=n(46),a=n(47),c=n(11)("socket.io-client:socket"),u=n(12),f=n(42);e.exports=p;var h={connect:1,connect_error:1,connect_timeout:1,connecting:1,disconnect:1,error:1,reconnect:1,reconnect_attempt:1,reconnect_failed:1,reconnect_error:1,reconnecting:1,ping:1,pong:1},l=i.prototype.emit;function p(e,t,n){this.io=e,this.nsp=t,this.json=this,this.ids=0,this.acks={},this.receiveBuffer=[],this.sendBuffer=[],this.connected=!1,this.disconnected=!0,this.flags={},n&&n.query&&(this.query=n.query),this.io.autoConnect&&this.open()}i(p.prototype),p.prototype.subEvents=function(){if(!this.subs){var e=this.io;this.subs=[s(e,"open",a(this,"onopen")),s(e,"packet",a(this,"onpacket")),s(e,"close",a(this,"onclose"))]}},p.prototype.open=p.prototype.connect=function(){return this.connected?this:(this.subEvents(),this.io.open(),"open"===this.io.readyState&&this.onopen(),this.emit("connecting"),this)},p.prototype.send=function(){var e=o(arguments);return e.unshift("message"),this.emit.apply(this,e),this},p.prototype.emit=function(e){if(h.hasOwnProperty(e))return l.apply(this,arguments),this;var t=o(arguments),n={type:(void 0!==this.flags.binary?this.flags.binary:f(t))?r.BINARY_EVENT:r.EVENT,data:t,options:{}};return n.options.compress=!this.flags||!1!==this.flags.compress,"function"==typeof t[t.length-1]&&(c("emitting packet with ack id %d",this.ids),this.acks[this.ids]=t.pop(),n.id=this.ids++),this.connected?this.packet(n):this.sendBuffer.push(n),this.flags={},this},p.prototype.packet=function(e){e.nsp=this.nsp,this.io.packet(e)},p.prototype.onopen=function(){if(c("transport is open - connecting"),"/"!==this.nsp)if(this.query){var e="object"==typeof this.query?u.encode(this.query):this.query;c("sending connect packet with query %s",e),this.packet({type:r.CONNECT,query:e})}else this.packet({type:r.CONNECT})},p.prototype.onclose=function(e){c("close (%s)",e),this.connected=!1,this.disconnected=!0,delete this.id,this.emit("disconnect",e)},p.prototype.onpacket=function(e){var t=e.nsp===this.nsp,n=e.type===r.ERROR&&"/"===e.nsp;if(t||n)switch(e.type){case r.CONNECT:this.onconnect();break;case r.EVENT:case r.BINARY_EVENT:this.onevent(e);break;case r.ACK:case r.BINARY_ACK:this.onack(e);break;case r.DISCONNECT:this.ondisconnect();break;case r.ERROR:this.emit("error",e.data)}},p.prototype.onevent=function(e){var t=e.data||[];c("emitting event %j",t),null!=e.id&&(c("attaching ack callback to event"),t.push(this.ack(e.id))),this.connected?l.apply(this,t):this.receiveBuffer.push(t)},p.prototype.ack=function(e){var t=this,n=!1;return function(){if(!n){n=!0;var i=o(arguments);c("sending ack %j",i),t.packet({type:f(i)?r.BINARY_ACK:r.ACK,id:e,data:i})}}},p.prototype.onack=function(e){var t=this.acks[e.id];"function"==typeof t?(c("calling ack %s with %j",e.id,e.data),t.apply(this,e.data),delete this.acks[e.id]):c("bad ack %s",e.id)},p.prototype.onconnect=function(){this.connected=!0,this.disconnected=!1,this.emit("connect"),this.emitBuffered()},p.prototype.emitBuffered=function(){var e;for(e=0;e<this.receiveBuffer.length;e++)l.apply(this,this.receiveBuffer[e]);for(this.receiveBuffer=[],e=0;e<this.sendBuffer.length;e++)this.packet(this.sendBuffer[e]);this.sendBuffer=[]},p.prototype.ondisconnect=function(){c("server disconnect (%s)",this.nsp),this.destroy(),this.onclose("io server disconnect")},p.prototype.destroy=function(){if(this.subs){for(var e=0;e<this.subs.length;e++)this.subs[e].destroy();this.subs=null}this.io.destroy(this)},p.prototype.close=p.prototype.disconnect=function(){return this.connected&&(c("performing disconnect (%s)",this.nsp),this.packet({type:r.DISCONNECT})),this.destroy(),this.connected&&this.onclose("io client disconnect"),this},p.prototype.compress=function(e){return this.flags.compress=e,this},p.prototype.binary=function(e){return this.flags.binary=e,this}},function(e,t,n){"use strict";e.exports=function(e,t,n){return e.on(t,n),{destroy:function(){e.removeListener(t,n)}}}},function(e,t,n){"use strict";var r=[].slice;e.exports=function(e,t){if("string"==typeof t&&(t=e[t]),"function"!=typeof t)throw new Error("bind() requires a function");var n=r.call(arguments,2);return function(){return t.apply(e,n.concat(r.call(arguments)))}}},function(e,t,n){"use strict";(function(e){Object.defineProperty(t,"__esModule",{value:!0}),t.PushConnectionManager=void 0;var r,i=(r=n(50))&&r.__esModule?r:{default:r},o=n(67);function s(e,t,n){return t in e?Object.defineProperty(e,t,{value:n,enumerable:!0,configurable:!0,writable:!0}):e[t]=n,e}var a=n(79),c=a.RTCSessionDescription,u=a.RTCPeerConnection,f=a.RTCIceCandidate;const h=n(80);function l(e){return"ArrayBuffer"==e.constructor.name&&(e=new Uint8Array(e)),t=String.fromCharCode.apply(null,e),decodeURIComponent(escape(t));var t}function p(e,t,n){var r=(e=unescape(encodeURIComponent(e))).length;n&&r++,t||(t=new ArrayBuffer(r));var i=new Uint8Array(t);n&&(i[e.length]=0);for(var o=0,s=e.length;o<s;o++)i[o]=e.charCodeAt(o);return t}class d extends o.Duplex{constructor(e,t){super(),s(this,"_receiveBuffer",[]),s(this,"_readRemaining",0),s(this,"_gotEof",!1),s(this,"_reentrantWrite",!1),s(this,"_finish",function(){var e=this.final;delete this.final,this.socket.destroy(),e&&e()}),this._conn=e,this._dc=t,this._dc.onmessage=e=>{var t=new Uint8Array(e.data),n=1==t[t.byteLength-1];this._receiveBuffer.push(t.subarray(0,t.byteLength-1)),this._readNext(),n&&(this._gotEof=!0,this._destroyDataChannel())},t.onclose=t.onerror=this._destroyDataChannel.bind(this),this._needsBufferShim=function(){try{return!navigator}catch(e){return!0}}()||parseInt(/Chrome\/(\d\d)/.exec(navigator.userAgent)[1])<70,this._needsBufferShim||(t.bufferedAmountLowThreshold=0,t.onbufferedamountlow=this._writeable.bind(this))}_readNext(){if(this._readRemaining){for(;this._receiveBuffer.length;){const e=this._receiveBuffer.shift(),t=Math.min(e.length,this._readRemaining);if(this.push(e.slice(0,t)),this._readRemaining-=t,e.length!=t){const n=e.slice(t);this._receiveBuffer.unshift(n)}if(0==this._readRemaining)break}0==this._receiveBuffer.length&&(this._receiveBuffer=[])}}_read(e){this._readRemaining=e,this._readNext()}_writeable(){var e=this._writeCallback;e&&(delete this._writeCallback,e())}_write(e,t,n){if(t&&"buffer"!==t)throw new Error("push connect only suipports binary");if(this._dc&&"open"==this._dc.readyState){this._writeCallback=n;var r=new Uint8Array(e.length+1);if(r.set(new Uint8Array(e)),this._dc.send(r.buffer),!this._reentrantWrite){try{for(this._reentrantWrite=!0;this._writeCallback&&(0==this._dc.bufferedAmount||this._needsBufferShim);)this._writeable();this._writeCallback&&console.log("waiting for writable")}finally{this._reentrantWrite=!1}this._finalCallback&&!this._writeCallback&&this._finish()}}else this._destroyDataChannel()}_final(e){this._finalCallback=e,this._writeCallback||this._finish()}_destroyDataChannel(){if(null!=this._dc){var e=this._dc;if(this._dc=null,e.onclose=null,e.onerror=null,"open"==e.readyState)try{e.send(new Uint8Array([1])),this._gotEof?this._conn.recycleChannel(e):this._conn.waitForEof(e)}catch(t){e.close()}}}}class g{constructor(e,t,n){this.manager=e,this.peerConnection=t,this.key=n,this.peerConnection.oniceconnectionstatechange=function(){"disconnected"!=this.peerConnection.iceConnectionState&&"closed"!=this.peerConnection.iceConnectionState&&"failed"!=this.peerConnection.iceConnectionState||this.destroy()}.bind(this)}waitForCommand(e){e.onmessage=t=>{if(1!=t.data.byteLength){this.removeChannel(e);var n=l(t.data),r=new d(this,e);this.openSocket(n,r)}}}compactChannels(){this.inboundChannels&&!this.inboundChannels.length&&(this.inboundChannels=null),this.outboundChannels&&!this.outboundChannels.length&&(this.outboundChannels=null)}getAppropriateChannels(e,t){var n;return e.inbound?(!this.inboundChannels&&t&&(this.inboundChannels=[]),n=this.inboundChannels):(!this.outboundChannels&&t&&(this.outboundChannels=[]),n=this.outboundChannels),n}removeChannel(e){const t=this.getAppropriateChannels(e);if(t){var n=t.indexOf(e);-1!=n&&(t.splice(n,1),this.compactChannels())}}waitForEof(e){e.onmessage=t=>{var n=new Uint8Array(t.data);1==n[n.byteLength-1]&&this.recycleChannel(e)}}recycleChannel(e){this.getAppropriateChannels(e,!0).push(e),e.onclose=e.onerror=()=>{this.removeChannel(e)},this.waitForCommand(e)}addCandidates(e){for(var t in e.candidates)console.log("remote candidate",e.candidates[t]),this.peerConnection.addIceCandidate(new f(e.candidates[t]))}setupPinger(e){var t;e.onmessage=function(e){},e.onclose=e.onerror=()=>{clearTimeout(t),this.destroy()},function n(){try{e.send(p("ping")),t=setTimeout(n,1e3)}catch(e){}}()}listenSockets(){this.peerConnection.ondatachannel=function(e){e.channel.inbound=!0,this.waitForCommand(e.channel)}.bind(this)}prepareChannel(e){var t=this.peerConnection.createDataChannel(e||"gcm",{ordered:!0});return t.binaryType="arraybuffer",t}newSocket(e){if("closed"==this.peerConnection.signalingState)return Promise.reject(new Error("connection is already closed"));if(this.outboundChannels){var t=this.outboundChannels.shift();this.compactChannels(),t.send(p(e));var n=new d(this,t);return Promise.resolve(n)}return new Promise((t,n)=>{var r,i=this.prepareChannel("gcm");i.onopen=function(){if(!r){r=!0,i.send(p(e));var n=new d(this,i);t(n)}}.bind(this),"open"==i.readyState&&i.onopen(null)})}destroy(){delete this.manager.gcmRtcConnections[this.key],"closed"!=this.peerConnection.signalingState&&this.peerConnection.close();var e=this.onClose;e&&(delete this.onClose,e())}}class y{static getKey(e,t,n){return n+":"+t+":"+e}static 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