Tampermonkey script: anti anti ad block in protv plus player

AntiAntiAdBlockProTvPlusPlayer.user.js

// ==UserScript==
// @name         AntiAntiAdBlockProTvPlusPlayer
// @namespace    http://tampermonkey.net/
// @version      0.2
// @description  anti anti ad block in protv plus player
// @author       krysty
// @grant        none
// @include      https://protvplus.ro/*
// @include      https://media.cms.protvplus.ro/*
// @include      https://imasdk.googleapis.com/js/core/bridge*.html
// @run-at       document-end
// @updateURL    https://gist.github.com/yokrysty/4f676208e26ed73d12021c0ed0d286e2/raw/AntiAntiAdBlockProTvPlusPlayer.user.js
// ==/UserScript==

(function() {
    'use strict';

    (function(open) {
        XMLHttpRequest.prototype.open = function(method, url) {
            this._url = url;
            return open.apply(this, arguments);
        };
    })(XMLHttpRequest.prototype.open);

    (function(send) {
        XMLHttpRequest.prototype.send = function(data) {
            var b = this._url.indexOf('vasterix.cms.protvplus.ro') >= 0;

            if (!b) {
                return send.apply(this, arguments);
            }

            Object.defineProperty(this, "readyState", {
                get: function () {
                    return XMLHttpRequest.DONE;
                }
            });

            Object.defineProperty(this, "status", {
                get: function () {
                    return 200;
                }
            });

            this.onabort = this.onerror = null;

            this.abort();
            this.onload();
        }
    })(XMLHttpRequest.prototype.send);

    function maybeReplaceElement(el) {
        if (el.nodeName != 'SCRIPT') return el;

        if (
            el.src == 'https://trackad.cz/adtrack.php' ||
            el.src == 'https://d1.a4w.ro/_web/grooveskin/grskmak.min.js' ||
            el.src == 'https://scdn.cxense.com/cx.js' ||
            el.src == 'https://www.googletagservices.com/tag/js/gpt.js'
        ) {
            var newEl = document.createElement('script');
            newEl.onerror = el.onerror;
            newEl.onload = el.onload;
            return newEl;
        }

        return el;
    }

    (function(appendChild) {
        window.document.body.appendChild = function(el) {
            appendChild.call(this, maybeReplaceElement(el));
        };
    })(window.document.body.appendChild);

    (function(insertBefore) {
        window.Element.prototype.insertBefore = function(el, refEl) {
            insertBefore.call(this, maybeReplaceElement(el), refEl);
        };
    })(window.Element.prototype.insertBefore);
})();