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WS Hook

WebSocket Hook

Dieses Skript sollte nicht direkt installiert werden. Es handelt sich hier um eine Bibliothek für andere Skripte, welche über folgenden Befehl in den Metadaten eines Skriptes eingebunden wird // @require https://update.greasyfork.org/scripts/432651/976567/WS%20Hook.js 

var webHook=(function() {
    'use strict';
    var backup={};
    var api={
        filter:(args)=>{return true;},
        WSList:[],
        messageHandler:(event)=>{
            var e = new Event('globalWebsocketMessage')
            e.data=event.data
            window.document.dispatchEvent(e);
        },
        closeHandler:(event)=>{
            var e = new Event('globalWebsocketClose')
            e.data=event.data
            window.document.dispatchEvent(e);
            event.target.removeEventListener('message', api.messageHandler);
            event.target.removeEventListener('close', api.closeHandler);
        },
        beginSend:(webSocket,args)=>{return args;},
        endSend:(webSocket,args)=>{},
        filterSend:(webSocket,args)=>{return true;}

    }
    backup.WebSocket=window.WebSocket;
    window.WebSocket=new Proxy(window.WebSocket,{
        construct:function(target,args){
                var ws=new target(...args);
            if(api.filter(args)){
                api.WSList.push(ws);
                ws.addEventListener('message', api.messageHandler);
                ws.addEventListener('close', api.closeHandler);
                backup.WSSend=ws.send;
                ws.send= new Proxy(ws.send, {
                    apply: function(target, _this, _arguments) {
                        if(ws.readyState === ws.OPEN && api.filterSend(_this, _arguments)){
                           _arguments=api.beginSend(_this,_arguments)
                            Function.prototype.apply.apply(target, [_this, _arguments]);
                            api.endSend(_this,_arguments);

                        }
                    }
                });
            }
        return ws;}
    });
    console.log(api);
    return api;
})();