BiliBili Live Room WebSocket Proxy.user.js

// ==UserScript==
// @name         BiliBili Live Room WebSocket Proxy
// @namespace    http://tampermonkey.net/
// @version      0.1
// @description  try to take over the world!
// @author       Shugen
// @include      /^https?:\/\/live\.bilibili\.com\//
// @grant        none
// ==/UserScript==

(function () {
    'use strict';
    if (window.DanmakuWebSocket) {
        window.__DanmakuWebSocket = window.DanmakuWebSocket;
    }
    if (!window.BiliBiliOweMe300000 || !Array.isArray(window.BiliBiliOweMe300000)) {
        window.BiliBiliOweMe300000 = []
    };
    Object.defineProperty(window, "DanmakuWebSocket", {
        set: function (value) {
            var handler = {
                construct: function (target, args) {
                    debugger;
                    window.latestReceiver = args[0].onReceivedMessage;
                    args[0].__onReceivedMessage = args[0].onReceivedMessage;
                    args[0].onReceivedMessage = function () {
                        //console.log("received Messages:",arguments[0]);
                        if (!window.BiliBiliOweMe300000 || !Array.isArray(window.BiliBiliOweMe300000)) {
                            window.BiliBiliOweMe300000 = []
                        };

                        if (window.BiliBiliOweMe300000.length > 0) {
                            for (let i = 0; i < window.BiliBiliOweMe300000.length; i++) {
                                if (!window.BiliBiliOweMe300000[i](arguments[0])) { return; }
                            }
                        }
                        args[0].__onReceivedMessage.apply(this, arguments)
                    }
                    var obj = Object.create(value.prototype);
                    this.apply(target, obj, args);
                    return obj;
                },
                apply: function (target, that, args) {
                    value.apply(that, args);
                }
            };
            return this.__DanmakuWebSocket = new Proxy(value, handler)
        },
        get: function () {
            return this.__DanmakuWebSocket
        }
    }
    );
})();