Rarbg-Enhancer-UserScript.user.js

// prettier-ignore
var meta = {
    rawmdb: function () {
// ==UserScript==
// @name         RARBG Enhancer Fork 6.0.1 (WORKS)
// @namespace    sharmanhall/Rarbg-Enhancer-UserScript
// @version      6.0.1
// @description  Fork of RARBG Enhancer 6 with updates and fixes. Auto-solve CAPTCHA, infinite scroll, add magnet link shortcuts, thumbnails, image search links, and more!
// @author       sharmanhall
// @contributor  Faris Hijazi (original author)
// @contributor  darkred (some code from https://greasyfork.org/en/users/2160-darkred)
// @grant        unsafeWindow
// @grant        GM_setValue
// @grant        GM_getValue
// @grant        GM_download
// @grant        GM_xmlhttpRequest
// @grant        GM_registerMenuCommand
// @icon         https://t1.gstatic.com/faviconV2?client=SOCIAL&type=FAVICON&fallback_opts=TYPE,SIZE,URL&url=http://rarbg.to&size=16
// @run-at       document-idle
// @updateUrl    https://github.com/tyhallcsu/Rarbg-Enhancer-UserScript/raw/master/Rarbg-Enhancer-UserScript.user.js
// @downloadURL  https://github.com/tyhallcsu/Rarbg-Enhancer-UserScript/raw/master/Rarbg-Enhancer-UserScript.user.js
// @require      https://code.jquery.com/jquery-3.4.0.min.js
// @require      https://unpkg.com/infinite-scroll@3.0.5/dist/infinite-scroll.pkgd.min.js
// @require      https://raw.githubusercontent.com/ccampbell/mousetrap/master/mousetrap.min.js
// @require      https://raw.githubusercontent.com/mitchellmebane/GM_fetch/master/GM_fetch.js
// @require      https://raw.githubusercontent.com/antimatter15/ocrad.js/master/ocrad.js
// @require      https://raw.githubusercontent.com/sizzlemctwizzle/GM_config/2207c5c1322ebb56e401f03c2e581719f909762a/gm_config.js
// @include      https://*rarbg.*
// @include      /https?:\/\/.{0,8}rarbg.*\.\/*/
// @include      /https?:\/\/.{0,8}rargb.*\.\/*/
// @include      /https?:\/\/.*u=MTcyLjIxLjAuMXw6Ly9yYXJiZy50by90b3JyZW50LzIyMDg3MjYwfE1vemlsbGEvNS4wIChXaW5kb3dzIE5UIDEwLjA7IFdpbjY0OyB4NjQpIEFwcGxlV2ViS2l0LzUzNy4zNiAoS0hUTUwsIGxpa2UgR2Vja28pIENocm9tZS83OS4wLjM5NDUuMTMwIFNhZmFyaS81MzcuMzZ8ODc4MDQz.*/
// @include      https://www.rarbggo.to/
// @include      https://www.rarbg.is
// @include      https://proxyrarbg.org
// @include      https://rarbg.com
// @include      https://rarbg.to
// @include      https://rarbg2018.org
// @include      https://rarbg2019.org
// @include      https://rarbg2020.org
// @include      https://rarbg2021.org
// @include      https://rarbgaccess.org
// @include      https://rarbgaccessed.org
// @include      https://rarbgcdn.org
// @include      https://rarbgcore.org
// @include      https://rarbgdata.org
// @include      https://rarbgenter.org
// @include      https://rarbgget.org
// @include      https://rarbggo.org
// @include      https://rarbgindex.org
// @include      https://rarbgmirror.com
// @include      https://rarbgmirror.org
// @include      https://rarbgmirrored.org
// @include      https://rarbgp2p.org
// @include      https://rarbgproxied.org
// @include      https://rarbgproxies.org
// @include      https://rarbgproxy.com
// @include      https://rarbgproxy.org
// @include      https://rarbgprx.org
// @include      https://rarbgto.org
// @include      https://rarbgtor.org
// @include      https://rarbgtorrents.org
// @include      https://rarbgunblock.com
// @include      https://rarbgunblock.org
// @include      https://rarbgunblocked.org
// @include      https://rarbgway.org
// @include      https://rarbgweb.org
// @include      https://unblockedrarbg.org
// @include      https://www.rarbg.is
// @include      https://www2.rarbggo.to/
// @include      https://www.rarbgproxy.to/
// @include      https://www.rarbgo.to/
// @include      https://www.proxyrarbg.to/
// @noframes
// ==/UserScript==
    }
};
if (meta.rawmdb && meta.rawmdb.toString && (meta.rawmdb = meta.rawmdb.toString())) {
    var kv,
        row = /\/\/\s+@(\S+)\s+(.+)/g;
    while ((kv = row.exec(meta.rawmdb)) !== null) {
        if (meta[kv[1]]) {
            if (typeof meta[kv[1]] == "string") meta[kv[1]] = [meta[kv[1]]];
            meta[kv[1]].push(kv[2]);
        } else meta[kv[1]] = kv[2];
    }
}
meta.window = this;
if (typeof unsafeWindow === "undefined") {
    var unsafeWindow = window;
}
unsafeWindow.scriptMetas = unsafeWindow.scriptMetas || [];
if (meta.hasOwnProperty("nodups")) {
    if (new Set(unsafeWindow.scriptMetas.map((meta) => meta.namespace + meta.name)).has(meta.namespace + meta.name)) {
        console.warn(
            "Another script is trying to execute but @nodups is set. Stopping execution.\n",
            meta.namespace + meta.name
        );
        throw new Error(
            "Another script is trying to execute but @nodups is set. Stopping execution.\n" + meta.namespace + meta.name
        );
    }
}
unsafeWindow.scriptMetas.push(meta);
console.log("Script:", meta.name, "meta:", meta);

// AddColumn() and add magnetLinks() code taken from:      https://greasyfork.org/en/scripts/23493-rarbg-torrent-and-magnet-links/code

/**
 * Sequence of function calls
 *
 * appendColumn()
 *  -> appendColumnSingle()
 *      -> addDlAndMl()
 * observeDocument(dealWithTorrents)
 * */

// pollyfill for Element.before() and Element.after(): (since some browsers like MS Edge don't already have them)
if (Element.prototype.before === undefined) {
    Element.prototype.before = function (newNode) {
        if (this.parentElement) {
            return this.parentElement.insertBefore(newNode, this);
        }
    };
}
if (Element.prototype.after === undefined) {
    Element.prototype.after = function (newNode) {
        if (this.parentElement) {
            return this.parentElement.insertBefore(newNode, this.nextSibling);
        }
    };
}
// "Set" operations
/** this - other
 * @param other
 * @returns {Set} containing what this has but other doesn't */
Set.prototype.difference = function (other) {
    if (!other.has) other = new Set(other);
    return new Set(Array.from(this).filter((x) => !other.has(x)));
};

/**
 * {}
 */
let titleGroups = {};

const catCodeMap = {
    Movies: "48;17;44;45;47;50;51;52;42;46".split(";"),
    XXX: "4".split(";"),
    Music: "23;24;25;26".split(";"),
    "TV shows": "18;41;49".split(";"),
    Software: "33;34;43".split(";"),
    Games: "27;28;29;30;31;32;40;53".split(";"),
    "Non XXX":
        "2;14;15;16;17;21;22;42;18;19;41;27;28;29;30;31;32;40;23;24;25;26;33;34;43;44;45;46;47;48;49;50;51;52;54".split(
            ";"
        ),
};
// categories map, given the category number (in the URL), returns the name of it
const codeToCatMap = reverseMapping(catCodeMap);
// converts key to a category code (number in URL)
const catKeyMap = {
    v: "Movies",
    s: "TV shows",
    m: "Music",
    w: "Software",
    x: "XXX",
    g: "Games",
    n: "Non XXX",
};

const ICON_DESCRIPTION_WIDE = "https://i.imgur.com/xreLTXq.gif";
const ICON_DESCRIPTION_TALL = "https://i.imgur.com/6gG2QGj.gif";
const ICON_THUMBNAILS_WIDE = "https://i.imgur.com/9xh3vuU.gif";
const ICON_THUMBNAILS_TALL = "https://i.imgur.com/XMV45fY.gif";
const ICON_THUMBNAILS = "https://i.imgur.com/nA2dRWu.gif";
const ICON_DESCRIPTION = "https://i.imgur.com/UxbSq2o.gif";
const ICON_MORE_BLUE = "https://i.imgur.com/FGwOuVT.gif";
const ICON_EXTRA_GREEN = "https://i.imgur.com/HU6J9kS.gif";

const BLACKLISTED_IMG_URLS = new Set([
    "https://shotcan.com/images/finalec40346aca02aa34.png",
    "https://img.trafficimage.club/content/images/system/logo_1575804241329_3ec4e4.png",
    "https://pacific.picturedent.org/images/archive/galaxxxylogo.png",
    "https://worldmkv.com/wp-content/uploads/2017/10/Icon.jpg",
]);

const SearchEngines = {
    google: {
        name: "Google",
        imageSearchUrl: (q) => `https://www.google.com/search?&hl=en&tbm=isch&q=${encodeURIComponent(q)}`,
    },
    ddg: {
        name: "DuckDuckGo",
        imageSearchUrl: (q) =>
            `https://duckduckgo.com/?q=${encodeURIComponent(q)}&atb=v73-5__&iar=images&iax=images&ia=images`,
    },
    yandex: {
        name: "Yandex",
        imageSearchUrl: (q) => `https://yandex.com/images/search?text=${encodeURIComponent(q)}`,
    },
};

const debug = false; // debugmode (setting this to false will disable the console logging)

// main
(function () {
    "use strict";

    const TORRENT_ICO = "https://dyncdn.me/static/20/img/16x16/download.png";
    const MAGNET_ICO =
        "data:image/png;base64,R0lGODlhDAAMAPcAAAAAAGNjY97e3v8AAP8ICP///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////yH5BAEAAAUALAAAAAAMAAwAAAhMAAEIHEhwoICDAgQiTAhgoUKEDw9GZDhgAAEAAQIAIMBRYMWLBQps7Aig4gCMGjleLGlSoMqVJj++xMhSZscABTSyJIkzZE6CPQsEBAA7";
    const trackers =
        "http%3A%2F%2Ftracker.trackerfix.com%3A80%2Fannounce&tr=udp%3A%2F%2F9.rarbg.me%3A2710&tr=udp%3A%2F%2F9.rarbg.to%3A2710";

    const isOnSingleTorrentPage = !!matchSite(/\/torrent\//);
    const isOnThreatDefencePage = /threat_defence/i.test(location.href);

    var title = createElement(
        '<div><div><a href="https://github.com/FarisHijazi/Rarbg-Enhancer-UserScript">Rarbg-Enhancer-UserScript Settings</a><pre style=" font-size: medium; ">You can get to this options page by pressing "ctrl+/" or by navigating to the menu as shown bellow</pre></div><img src="https://github.com/FarisHijazi/Rarbg-Enhancer-UserScript/raw/master/screenshots/rarbg-options.png"></div>'
    );

    GM_config.init({
        id: "GM_config",
        title: title,
        css: "#GM_config_section_1 .config_var, #GM_config_section_2 .config_var, #GM_config_section_3 .config_var { margin: 5% !important;display: inline !important; }",
        fields: {
            thumbnailLink: {
                section: [
                    GM_config.create("Rarbg Settings"),
                    "here you can configure settings for the rarbg-enhancer-userscript. Be aware that the page will reload after saving",
                ],
                label: "thumbnailLink",
                default: "torrentPageLink",
                title: "where should clicking the thumbnail take you",
                options: ["magnetLink", "torrentLink", "torrentPageLink", "img"],
                type: "radio",
            },
            addThumbnails: {
                label: "addThumbnails",
                default: true,
                title: "if set to false, the content thumbnails will not be used, magnet or torrent thumbnails will be used isntead",
                type: "checkbox",
            },
            showGeneratedSearchQuery: {
                label: "showGeneratedSearchQuery",
                default: false,
                title: "",
                type: "checkbox",
            },
            addCategoryWithSearch: {
                label: "addCategoryWithSearch",
                default: true,
                title: 'when searching for a movie title like "X-men", will become "X-men movie"',
                type: "checkbox",
            },
            showTorrentDownloadIcon: {
                label: "showTorrentDownloadIcon",
                default: false,
                title: "show the .torrent file download icon next to the magnet link (this doesn't really work anymore)",
                type: "checkbox",
            },
            largeThumbnails: {
                label: "largeThumbnails",
                default: true,
                title: "",
                type: "checkbox",
            },
            alwaysFetchExtraThumbnails: {
                label: "alwaysFetchExtraThumbnails",
                title: "automatically press fetch extra thumbnails",
                type: "checkbox",
                default: true,
            },
            ImageSearchEngine: {
                label: "ImageSearchEngine",
                default: "google",
                title: "",
                options: Array.from(Object.keys(SearchEngines)),
                type: "radio",
            },
            infiniteScrolling: {
                label: "infiniteScrolling",
                default: true,
                title: "",
                type: "checkbox",
            },
            mirrors: {
                label: "mirrors",
                default: meta.include.join("\n"),
                title: "",
                type: "textarea",
            },
            imgScale: {
                label: "imgScale",
                default: 50,
                title: "",
                type: "float",
            },
            imgHoverPopupScale: {
                label: "imgHoverPopupScale",
                default: 3.0,
                title: "",
                type: "float",
            },
            hideRecommendedTorrents: {
                label: "hideRecommendedTorrents",
                default: false,
                title: "",
                type: "checkbox",
            },
            autoExitIndexPhp: {
                label: "autoExitIndexPhp",
                default: true,
                title: "",
                type: "checkbox",
            },
            deduplicateTorrents: {
                label: "deduplicateTorrents",
                default: false,
                title: "attempt to remove duplicates when there are multiple torrents of the same item",
                type: "checkbox",
            },
            staticSearchbar: {
                label: "staticSearchbar",
                default: false,
                title: "",
                type: "checkbox",
            },
            includeDescriptionsButton: {
                label: "includeDescriptionsButton",
                default: true,
                title: "add a link for each row to search for getting the description thumbnails",
                type: "checkbox",
            },
            includeSearchForImagesButton: {
                label: "includeSearchForImagesButton",
                default: true,
                title: "add a link for each row to search for images using a search engine (google, ddg, yandex..)",
                type: "checkbox",
            },
            isFirstVisit: {
                type: "hidden",
                default: true,
            },
            thumbnailHoverSound: {
                label: "thumbnailHoverSound",
                type: "checkbox",
                title: "play sound when hovering over thumbnail",
                default: true,
            },
            // blocking
            "block Movies": {
                label: "block Movies",
                default: false,
                type: "checkbox",
                title: "Movies",
                section: "Block categories",
            },
            "block TV shows": { label: "block TV shows", default: false, type: "checkbox", title: "TV shows" },
            "block Music": { label: "block Music", default: false, type: "checkbox", title: "Music" },
            "block Software": { label: "block Software", default: false, type: "checkbox", title: "Software" },
            "block XXX": { label: "block XXX", default: true, type: "checkbox", title: "XXX" },
            "block Games": { label: "block Games", default: false, type: "checkbox", title: "Games" },
            hideEmptyTorrentLinks: {
                label: "hide torrents without download or magnet",
                default: true,
                type: "checkbox",
                title: "Removes the row of the torrent that has no magnet link or download link",
            },
        },
        events: {
            open: function (doc) {},
            save: function (values) {
                // All the values that aren't saved are passed to this function
                // for (i in values) alert(values[i]);
                location.reload();
            },
        },
    });

    // override fetching description images
    // FIXME: maybe update this later
    // GM_config.set("alwaysFetchExtraThumbnails", true);

    if (!GM_config.get("mirrors")) {
        GM_config.save();
    }

    if (typeof GM_registerMenuCommand !== "undefined") {
        GM_registerMenuCommand("Rarbg options", () => {
            GM_config.open();
        });
    }

    Math.clamp = function (a, min, max) {
        return a < min ? min : a > max ? max : a;
    };

    let searchEngine = {};
    initSearchEngine();

    // click to verify browser
    document.querySelectorAll('a[href^="/threat_defence.php?defence=1"]').forEach((a) => a.click());

    const searchBox = document.querySelector('#searchinput, input[id="keywords"]');
    const isOnTop10page = location.pathname.startsWith("/top");
    const isOnIndexPage = searchBox !== null || isOnTop10page;
    const isOnWrongTorrentLinkPage =
        getElementsByXPath(
            '(/html/body/table[3]/tbody/tr/td[2]/div/table/tbody/tr[2]/td/div[contains(., "The link you followed is wrong. Please try again!")])'
        ).length > 0;

    const getTorrentLinks = () => Array.from(document.querySelectorAll("table > tbody > tr.lista2 a[title]"));
    let scheduleInfiniteScrollCheck = () => {};

    var row_others = getElementsByXPath('(//tr[contains(., "Others:")])[last()]').pop();

    if (!!document.querySelector("thead.table1head")) {
        // therarbg: https://the.rarbg.club/get-posts/category:Movies:time:10D/
        var tbodyEls = document.querySelectorAll("tbody");
    } else {
        var tbodyEls =
            isOnSingleTorrentPage && row_others
                ? [row_others.parentElement.querySelector("tbody")]
                : Array.from(document.querySelectorAll("tbody")).filter((tbody) => {
                      let tds = Array.from(tbody.querySelector("tr")?.querySelectorAll("td") || []);
                      return tds.length >= 8 && tds[0].innerText.trim() === "Cat.";
                  });
    }
    if (!tbodyEls.length) console.warn("tbody element not found!");

    var thumbnailsCssBlock = addCss("");
    // language=CSS

    addCss(
        `
a.torrent-ml:not([href^=magnet]) {
    filter: grayscale(0.6);
}

/*this keeps the tableCells in the groups at equal heights*/
table.groupTable > tbody > tr > td {
    height: 10px !important;
}


/*the horsey suggestion thumbnails*/
.suggestion-thumbnail {
    max-width: 100px;
    max-height: 100px;
}

a.torrent-ml, a.torrent-dl {
    display: table-cell;
    padding: 5px;
}

a.torrent-ml > img, a.torrent-dl > img {
    max-width: 30px;
}


/*add margin*/
td.lista > * {
    margin: 10px;
}

a.search:link { color: red; }
a.search:visited { color: green; }
a.search:hover { color: hotpink; }
a.search:active { color: blue; }

.zoom {
    transition: transform .2s; /* Animation */
    margin: 0 auto;
}
.zoom:hover {
    /* (150% zoom - Note: if the zoom is too large, it will go outside of the viewport) */
    transform: scale(${GM_config.get("imgHoverPopupScale")});
}

a.extra-tb {
    background: white;
}

.row{
    display: flex;
    flex-direction: row;
    flex-wrap: wrap;
    justify-content: space-between;
  }
`
    );
    updateCss();

    /** Plays audio
     * @author https://stackoverflow.com/a/17762789/7771202 */
    const PlaySound = (function () {
        const df = document.createDocumentFragment();
        return function Sound(src) {
            var snd = new Audio(src);
            df.appendChild(snd); // keep in fragment until finished playing
            snd.addEventListener("ended", function () {
                df.removeChild(snd);
            });
            snd.play();
            return snd;
        };
    })();

    let snd = function () {};
    snd.play = function () {};
    if (GM_config.get("thumbnailHoverSound")) {
        // sound file from: http://freesound.org/data/previews/166/166186_3034894-lq.mp3
        // noinspection JSUnusedAssignment
        snd = PlaySound(
            "data:audio/wav;base64," +
                "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"
        );
    }

    // === end of variable declarations ===

    function decrementImageSize(e) {
        GM_config.set("imgScale", Math.max(GM_config.get("imgScale") - 50, 0));
        toggleThumbnailSize("update only");
    }
    function incrementImageSize(e) {
        GM_config.set("imgScale", Math.min(GM_config.get("imgScale") + 50, 400));
        toggleThumbnailSize("update only");
    }

    $(document).ready(function main() {
        if (isOnThreatDefencePage) {
            // OnThreatDefencePage: check for captcha
            if (document.querySelector("#solve_string")) {
                console.log("Rarbg threat defence page");

                try {
                    // solveCaptcha(OCRAD);
                    unsafeEval(solveCaptcha, OCRAD);
                } catch (e) {
                    console.error("Error occurred while trying to solve captcha:\n", e);

                    const container = document.querySelector("tbody > :nth-child(2)");
                    const img = container.querySelector("img");
                    const captcha = document.querySelector("#solve_string");
                    const submitBtn = document.querySelector("#button_submit");
                    const textEl = img.previousElementSibling.previousElementSibling.previousElementSibling;
                    textEl.innerText += "Could not auto-solve capthca";

                    // prettier-ignore
                    /* tesseract.js
                     * https://tesseract.projectnaptha.com/
                     * https://cdn.jsdelivr.net/gh/naptha/tesseract.js@v1.0.14/dist/tesseract.min.js
                     */
                    (function(f){if(typeof exports==="object"&&typeof module!=="undefined"){module.exports=f()}else if(typeof define==="function"&&define.amd){define([],f)}else{var g;if(typeof window!=="undefined"){g=window}else if(typeof global!=="undefined"){g=global}else if(typeof self!=="undefined"){g=self}else{g=this}g.Tesseract=f()}})(function(){var define,module,exports;return function e(t,n,r){function s(o,u){if(!n[o]){if(!t[o]){var a=typeof require=="function"&&require;if(!u&&a)return a(o,!0);if(i)return i(o,!0);var f=new Error("Cannot find module '"+o+"'");throw f.code="MODULE_NOT_FOUND",f}var l=n[o]={exports:{}};t[o][0].call(l.exports,function(e){var n=t[o][1][e];return s(n?n:e)},l,l.exports,e,t,n,r)}return n[o].exports}var i=typeof require=="function"&&require;for(var o=0;o<r.length;o++)s(r[o]);return s}({1:[function(require,module,exports){var process=module.exports={};var cachedSetTimeout;var cachedClearTimeout;function defaultSetTimout(){throw new Error("setTimeout has not been defined")}function defaultClearTimeout(){throw new Error("clearTimeout has not been defined")}(function(){try{if(typeof setTimeout==="function"){cachedSetTimeout=setTimeout}else{cachedSetTimeout=defaultSetTimout}}catch(e){cachedSetTimeout=defaultSetTimout}try{if(typeof clearTimeout==="function"){cachedClearTimeout=clearTimeout}else{cachedClearTimeout=defaultClearTimeout}}catch(e){cachedClearTimeout=defaultClearTimeout}})();function runTimeout(fun){if(cachedSetTimeout===setTimeout){return setTimeout(fun,0)}if((cachedSetTimeout===defaultSetTimout||!cachedSetTimeout)&&setTimeout){cachedSetTimeout=setTimeout;return setTimeout(fun,0)}try{return cachedSetTimeout(fun,0)}catch(e){try{return cachedSetTimeout.call(null,fun,0)}catch(e){return cachedSetTimeout.call(this,fun,0)}}}function runClearTimeout(marker){if(cachedClearTimeout===clearTimeout){return clearTimeout(marker)}if((cachedClearTimeout===defaultClearTimeout||!cachedClearTimeout)&&clearTimeout){cachedClearTimeout=clearTimeout;return clearTimeout(marker)}try{return cachedClearTimeout(marker)}catch(e){try{return cachedClearTimeout.call(null,marker)}catch(e){return cachedClearTimeout.call(this,marker)}}}var queue=[];var draining=false;var currentQueue;var queueIndex=-1;function cleanUpNextTick(){if(!draining||!currentQueue){return}draining=false;if(currentQueue.length){queue=currentQueue.concat(queue)}else{queueIndex=-1}if(queue.length){drainQueue()}}function drainQueue(){if(draining){return}var timeout=runTimeout(cleanUpNextTick);draining=true;var len=queue.length;while(len){currentQueue=queue;queue=[];while(++queueIndex<len){if(currentQueue){currentQueue[queueIndex].run()}}queueIndex=-1;len=queue.length}currentQueue=null;draining=false;runClearTimeout(timeout)}process.nextTick=function(fun){var args=new Array(arguments.length-1);if(arguments.length>1){for(var i=1;i<arguments.length;i++){args[i-1]=arguments[i]}}queue.push(new Item(fun,args));if(queue.length===1&&!draining){runTimeout(drainQueue)}};function Item(fun,array){this.fun=fun;this.array=array}Item.prototype.run=function(){this.fun.apply(null,this.array)};process.title="browser";process.browser=true;process.env={};process.argv=[];process.version="";process.versions={};function noop(){}process.on=noop;process.addListener=noop;process.once=noop;process.off=noop;process.removeListener=noop;process.removeAllListeners=noop;process.emit=noop;process.prependListener=noop;process.prependOnceListener=noop;process.listeners=function(name){return[]};process.binding=function(name){throw new Error("process.binding is not supported")};process.cwd=function(){return"/"};process.chdir=function(dir){throw new Error("process.chdir is not supported")};process.umask=function(){return 0}},{}],2:[function(require,module,exports){module.exports={name:"tesseract.js",version:"1.0.13",description:"Pure Javascript Multilingual OCR",main:"src/index.js",scripts:{start:'concurrently --kill-others "watchify src/index.js  -t [ envify --NODE_ENV development ] -t [ babelify --presets [ es2015 ] ] -o dist/tesseract.dev.js --standalone Tesseract" "watchify src/browser/worker.js  -t [ envify --NODE_ENV development ] -t [ babelify --presets [ es2015 ] ] -o dist/worker.dev.js" "http-server -p 7355"',build:"browserify src/index.js -t [ babelify --presets [ es2015 ] ] -o dist/tesseract.js --standalone Tesseract && browserify src/browser/worker.js -t [ babelify --presets [ es2015 ] ] -o dist/worker.js && uglifyjs dist/tesseract.js --source-map -o dist/tesseract.min.js && uglifyjs dist/worker.js --source-map -o dist/worker.min.js",release:"npm run build && git commit -am 'new release' && git push && git tag `jq -r '.version' package.json` && git push origin --tags && npm publish"},browser:{"./src/node/index.js":"./src/browser/index.js"},author:"",license:"Apache-2.0",devDependencies:{"babel-preset-es2015":"^6.16.0",babelify:"^7.3.0",browserify:"^13.1.0",concurrently:"^3.1.0",envify:"^3.4.1","http-server":"^0.9.0",pako:"^1.0.3","uglify-js":"^3.4.9",watchify:"^3.7.0"},dependencies:{"file-type":"^3.8.0","isomorphic-fetch":"^2.2.1","is-url":"1.2.2","jpeg-js":"^0.2.0","level-js":"^2.2.4","node-fetch":"^1.6.3","object-assign":"^4.1.0","png.js":"^0.2.1","tesseract.js-core":"^1.0.2"},repository:{type:"git",url:"https://github.com/naptha/tesseract.js.git"},bugs:{url:"https://github.com/naptha/tesseract.js/issues"},homepage:"https://github.com/naptha/tesseract.js"}},{}],3:[function(require,module,exports){(function(process){"use strict";var defaultOptions={corePath:"https://cdn.jsdelivr.net/gh/naptha/tesseract.js-core@0.1.0/index.js",langPath:"https://tessdata.projectnaptha.com/3.02/"};if(process.env.NODE_ENV==="development"){console.debug("Using Development Configuration");defaultOptions.workerPath=location.protocol+"//"+location.host+"/dist/worker.dev.js?nocache="+Math.random().toString(36).slice(3)}else{var version=require("../../package.json").version;defaultOptions.workerPath="https://cdn.jsdelivr.net/gh/naptha/tesseract.js@"+version+"/dist/worker.js"}exports.defaultOptions=defaultOptions;exports.spawnWorker=function spawnWorker(instance,workerOptions){if(window.Blob&&window.URL){var blob=new Blob(['importScripts("'+workerOptions.workerPath+'");']);var worker=new Worker(window.URL.createObjectURL(blob))}else{var worker=new Worker(workerOptions.workerPath)}worker.onmessage=function(e){var packet=e.data;instance._recv(packet)};return worker};exports.terminateWorker=function(instance){instance.worker.terminate()};exports.sendPacket=function sendPacket(instance,packet){loadImage(packet.payload.image,function(img){packet.payload.image=img;instance.worker.postMessage(packet)})};function loadImage(image,cb){if(typeof image==="string"){if(/^\#/.test(image)){return loadImage(document.querySelector(image),cb)}else if(/(blob|data)\:/.test(image)){var im=new Image;im.src=image;im.onload=function(e){return loadImage(im,cb)};return}else{var xhr=new XMLHttpRequest;xhr.open("GET",image,true);xhr.responseType="blob";xhr.onload=function(e){return loadImage(xhr.response,cb)};xhr.onerror=function(e){if(/^https?:\/\//.test(image)&&!/^https:\/\/crossorigin.me/.test(image)){console.debug("Attempting to load image with CORS proxy");loadImage("https://crossorigin.me/"+image,cb)}};xhr.send(null);return}}else if(image instanceof File){var fr=new FileReader;fr.onload=function(e){return loadImage(fr.result,cb)};fr.readAsDataURL(image);return}else if(image instanceof Blob){return loadImage(URL.createObjectURL(image),cb)}else if(image.getContext){return loadImage(image.getContext("2d"),cb)}else if(image.tagName==="IMG"||image.tagName==="VIDEO"){var c=document.createElement("canvas");c.width=image.naturalWidth||image.videoWidth;c.height=image.naturalHeight||image.videoHeight;var ctx=c.getContext("2d");ctx.drawImage(image,0,0);return loadImage(ctx,cb)}else if(image.getImageData){var data=image.getImageData(0,0,image.canvas.width,image.canvas.height);return loadImage(data,cb)}else{return cb(image)}throw new Error("Missing return in loadImage cascade")}}).call(this,require("_process"))},{"../../package.json":2,_process:1}],4:[function(require,module,exports){"use strict";module.exports=function circularize(page){page.paragraphs=[];page.lines=[];page.words=[];page.symbols=[];page.blocks.forEach(function(block){block.page=page;block.lines=[];block.words=[];block.symbols=[];block.paragraphs.forEach(function(para){para.block=block;para.page=page;para.words=[];para.symbols=[];para.lines.forEach(function(line){line.paragraph=para;line.block=block;line.page=page;line.symbols=[];line.words.forEach(function(word){word.line=line;word.paragraph=para;word.block=block;word.page=page;word.symbols.forEach(function(sym){sym.word=word;sym.line=line;sym.paragraph=para;sym.block=block;sym.page=page;sym.line.symbols.push(sym);sym.paragraph.symbols.push(sym);sym.block.symbols.push(sym);sym.page.symbols.push(sym)});word.paragraph.words.push(word);word.block.words.push(word);word.page.words.push(word)});line.block.lines.push(line);line.page.lines.push(line)});para.page.paragraphs.push(para)})});return page}},{}],5:[function(require,module,exports){"use strict";var _createClass=function(){function defineProperties(target,props){for(var i=0;i<props.length;i++){var descriptor=props[i];descriptor.enumerable=descriptor.enumerable||false;descriptor.configurable=true;if("value"in descriptor)descriptor.writable=true;Object.defineProperty(target,descriptor.key,descriptor)}}return function(Constructor,protoProps,staticProps){if(protoProps)defineProperties(Constructor.prototype,protoProps);if(staticProps)defineProperties(Constructor,staticProps);return Constructor}}();function _classCallCheck(instance,Constructor){if(!(instance instanceof Constructor)){throw new TypeError("Cannot call a class as a function")}}var adapter=require("../node/index.js");var jobCounter=0;module.exports=function(){function TesseractJob(instance){_classCallCheck(this,TesseractJob);this.id="Job-"+ ++jobCounter+"-"+Math.random().toString(16).slice(3,8);this._instance=instance;this._resolve=[];this._reject=[];this._progress=[];this._finally=[]}_createClass(TesseractJob,[{key:"then",value:function then(resolve,reject){if(this._resolve.push){this._resolve.push(resolve)}else{resolve(this._resolve)}if(reject)this.catch(reject);return this}},{key:"catch",value:function _catch(reject){if(this._reject.push){this._reject.push(reject)}else{reject(this._reject)}return this}},{key:"progress",value:function progress(fn){this._progress.push(fn);return this}},{key:"finally",value:function _finally(fn){this._finally.push(fn);return this}},{key:"_send",value:function _send(action,payload){adapter.sendPacket(this._instance,{jobId:this.id,action:action,payload:payload})}},{key:"_handle",value:function _handle(packet){var data=packet.data;var runFinallyCbs=false;if(packet.status==="resolve"){if(this._resolve.length===0)console.log(data);this._resolve.forEach(function(fn){var ret=fn(data);if(ret&&typeof ret.then=="function"){console.warn("TesseractJob instances do not chain like ES6 Promises. To convert it into a real promise, use Promise.resolve.")}});this._resolve=data;this._instance._dequeue();runFinallyCbs=true}else if(packet.status==="reject"){if(this._reject.length===0)console.error(data);this._reject.forEach(function(fn){return fn(data)});this._reject=data;this._instance._dequeue();runFinallyCbs=true}else if(packet.status==="progress"){this._progress.forEach(function(fn){return fn(data)})}else{console.warn("Message type unknown",packet.status)}if(runFinallyCbs){this._finally.forEach(function(fn){return fn(data)})}}}]);return TesseractJob}()},{"../node/index.js":3}],6:[function(require,module,exports){"use strict";var _createClass=function(){function defineProperties(target,props){for(var i=0;i<props.length;i++){var descriptor=props[i];descriptor.enumerable=descriptor.enumerable||false;descriptor.configurable=true;if("value"in descriptor)descriptor.writable=true;Object.defineProperty(target,descriptor.key,descriptor)}}return function(Constructor,protoProps,staticProps){if(protoProps)defineProperties(Constructor.prototype,protoProps);if(staticProps)defineProperties(Constructor,staticProps);return Constructor}}();function _classCallCheck(instance,Constructor){if(!(instance instanceof Constructor)){throw new TypeError("Cannot call a class as a function")}}var adapter=require("./node/index.js");var circularize=require("./common/circularize.js");var TesseractJob=require("./common/job");var version=require("../package.json").version;var create=function create(){var workerOptions=arguments.length>0&&arguments[0]!==undefined?arguments[0]:{};var worker=new TesseractWorker(Object.assign({},adapter.defaultOptions,workerOptions));worker.create=create;worker.version=version;return worker};var TesseractWorker=function(){function TesseractWorker(workerOptions){_classCallCheck(this,TesseractWorker);this.worker=null;this.workerOptions=workerOptions;this._currentJob=null;this._queue=[]}_createClass(TesseractWorker,[{key:"recognize",value:function recognize(image){var _this=this;var options=arguments.length>1&&arguments[1]!==undefined?arguments[1]:{};return this._delay(function(job){if(typeof options==="string")options={lang:options};options.lang=options.lang||"eng";job._send("recognize",{image:image,options:options,workerOptions:_this.workerOptions})})}},{key:"detect",value:function detect(image){var _this2=this;var options=arguments.length>1&&arguments[1]!==undefined?arguments[1]:{};return this._delay(function(job){job._send("detect",{image:image,options:options,workerOptions:_this2.workerOptions})})}},{key:"terminate",value:function terminate(){if(this.worker)adapter.terminateWorker(this);this.worker=null;this._currentJob=null;this._queue=[]}},{key:"_delay",value:function _delay(fn){var _this3=this;if(!this.worker)this.worker=adapter.spawnWorker(this,this.workerOptions);var job=new TesseractJob(this);this._queue.push(function(e){_this3._queue.shift();_this3._currentJob=job;fn(job)});if(!this._currentJob)this._dequeue();return job}},{key:"_dequeue",value:function _dequeue(){this._currentJob=null;if(this._queue.length){this._queue[0]()}}},{key:"_recv",value:function _recv(packet){if(packet.status==="resolve"&&packet.action==="recognize"){packet.data=circularize(packet.data)}if(this._currentJob.id===packet.jobId){this._currentJob._handle(packet)}else{console.warn("Job ID "+packet.jobId+" not known.")}}}]);return TesseractWorker}();module.exports=create()},{"../package.json":2,"./common/circularize.js":4,"./common/job":5,"./node/index.js":3}]},{},[6])(6)});

                    function solveCaptchaTesseract(Tesseract) {
                        Tesseract.recognize(container.querySelector("img"), {
                            tessedit_char_whitelist: "123456789" + "ABCDEFGHIJKLMNOPQRSTUVWXY",
                        }).then(function (result) {
                            console.log("result", result, "\n", result.text);
                            document.querySelector("#solve_string").value = result;
                            return result;
                        });
                    }

                    unsafeEval(solveCaptchaTesseract, Tesseract);
                }
            }
        } else {
            // on torrent(s) page
            if (isOnSingleTorrentPage) {
                let mainTorrentLink = document.querySelector(
                    "body > table:nth-child(6) > tbody > tr > td:nth-child(2) > div > table > tbody > tr:nth-child(2) > td > div > table > tbody > tr:nth-child(1) > td.lista > a:nth-child(2)"
                );
                addImageSearchAnchor(mainTorrentLink, mainTorrentLink.innerText);

                const relatedTorrent = document.querySelector(".lista_related");
                if (relatedTorrent) {
                    const tr_tableHeader = relatedTorrent.closest("table").querySelector("tbody > tr");
                    const thumbsHeader = tr_tableHeader.firstElementChild.cloneNode();
                    thumbsHeader.innerText = "thumbnail";
                    tr_tableHeader.firstElementChild.before(thumbsHeader);
                }

                document.querySelectorAll(".js-modal-url").forEach(async function (a) {
                    if (!!a.querySelector("img")) return;
                    if (a.pathname.length < 2) return;
                    new Set(await getImagesFromUrl(a.href)).forEach((url) => {
                        var img = document.createElement("img");
                        img.src = url;
                        img.classList.add("descrimg");
                        var div = document.createElement("div");
                        div.appendChild(img);
                        a.appendChild(div);
                    });
                    replaceAllImageHosts();
                });

                // adding thumbnails
                for (const torrent of document.querySelectorAll('a[href^="/torrent/"]')) {
                    //creating and adding thumbnails
                    const cell = document.createElement("td");
                    const thumbnailLink = document.createElement("a");
                    const thumbnailImg = document.createElement("img");
                    thumbnailLink.href = torrent.href;

                    cell.classList.add("thumbnail-cell");
                    cell.classList.add("preview-image");
                    cell.appendChild(thumbnailLink);

                    // thumbnail
                    thumbnailImg.classList.add("preview-image");

                    let thumb = extractThumbnailSrc(torrent);
                    thumbnailImg.setAttribute("smallSrc", thumb);
                    thumbnailImg.setAttribute("bigSrc", getLargeThumbnail(thumb));

                    setThumbnail(thumbnailImg);
                    thumbnailLink.appendChild(thumbnailImg);

                    torrent.closest("tr").firstElementChild.before(cell);

                    thumbnailImg.style.width = "auto";
                    thumbnailImg.style["max-height"] = "500px";
                    thumbnailImg.style["max-width"] = "400px";
                    // thumbnailImg.style['margin-bottom'] = '20px';
                }

                replaceAllImageHosts();

                // putting the "Description:" row before the "Others:" row
                var poster = getElementsByXPath('(//tr[contains(., "Poster:")])[last()]')[0];
                if (poster) poster.after(getElementsByXPath('(//tr[contains(., "Description:")])[last()]')[0]);

                // remove VPN row
                const vpnR = getElementsByXPath('(//tr[contains(., "VPN:")])[last()]');
                if (vpnR && vpnR[0]) {
                    vpnR[0].remove();
                }

                void 0;
            } else if (isOnIndexPage) {
                if (isOnTop10page) {
                    function removeTop100(catcodes, slash_category) {
                        try {
                            var a = document.querySelector(
                                'body > table:nth-child(6) > tbody > tr > td:nth-child(2) > div > table > tbody > tr:nth-child(2) > td > a[href$="/top100.php?category[]=' +
                                    catcodes.join("&category[]=") +
                                    '"]'
                            );
                            // delete 3 elements before and 3 elements after and delete self
                            a.previousElementSibling.previousElementSibling.previousElementSibling.remove();
                            a.previousElementSibling.previousElementSibling.remove();
                            a.previousElementSibling.remove();
                            a.nextElementSibling.nextElementSibling.nextElementSibling.remove();
                            a.nextElementSibling.nextElementSibling.remove();
                            a.nextElementSibling.remove();
                            a.remove();
                            var h1Rss = document.querySelector(
                                'body > table > tbody > tr > td:nth-child(2) > div > table > tbody > tr:nth-child(2) > td > h1 > a[href$="/rssdd.php?categories=' +
                                    catcodes.join(";") +
                                    '"]'
                            ).parentElement;
                            h1Rss.nextElementSibling.remove();
                            h1Rss.remove();
                        } catch (e) {
                            console.warn(e);
                        }
                    }
                    if (GM_config.get("block Movies"))
                        removeTop100("14;15;16;17;21;22;42;44;45;46;47;48".split(";"), "movies");
                    if (GM_config.get("block XXX")) removeTop100("4".split(";"), "xxx");
                    if (GM_config.get("block TV shows")) removeTop100("18;19;41".split(";"), "tv");
                    if (GM_config.get("block Music")) removeTop100("23;24;25;26".split(";"), "music");
                    if (GM_config.get("block Games")) removeTop100("27;28;29;30;31;32;40".split(";"), "pc-games");
                }

                // if on torrent page (index)
                if (searchBox) {
                    searchBox.onkeyup = updateSearch;
                    const searchContainer = searchBox.closest("form").closest("div");
                    // making checkbox (fixed searchbar)
                    const moreBtn = searchContainer.querySelector(
                        'tr:nth-child(1) > td:nth-child(3), [id="filterBtn"]'
                    );
                    moreBtn &&
                        moreBtn.after(
                            $(
                                '<td><input id="static-checkbox" type="checkbox"><label for="static-checkbox" style="display: block;">fixed searchbar</label></td>'
                            )[0]
                        );

                    const checkbox = document.querySelector("#static-checkbox");
                    checkbox.onchange = function (e) {
                        const searchContainer = searchBox.closest("form").closest("div");

                        if (checkbox.checked) {
                            searchContainer.style.position = "fixed";
                            searchContainer.style.top = "0";
                            searchContainer.style.left = "702px";
                        } else {
                            searchContainer.style.position = "";
                            searchContainer.style.top = "";
                            searchContainer.style.left = "";
                        }
                        GM_config.set("staticSearchbar", checkbox.checked);
                        GM_config.write();
                    };
                }

                if (GM_config.get("staticSearchbar")) {
                    checkbox.click();
                }

                if (GM_getValue("isFirstVisit", true)) {
                    console.log("is first visit");
                    GM_config.open();
                    GM_setValue("isFirstVisit", false);
                }

                for (const tbodyEl of tbodyEls) {
                    const mldlCol = appendColumn(tbodyEl, "ML DL<br>Download all", "File", addDlAndMl);
                    mldlCol.header.addEventListener("click", downloadAllTorrents);
                }

                if (GM_config.get("infiniteScrolling") && !isOnTop10page) {
                    // infiniteScrolling
                    (function makeInfiniteScroll() {
                        const tbody = [
                            "div.content-rounded table.lista-rounded tbody:nth-child(1) tr:nth-child(2) td:nth-child(1) > table.lista2t:nth-child(9) > tbody",
                            ".lista2t > tbody",
                        ];
                        const nav = [
                            "#pager_links",
                            "td:nth-child(2) div.content-rounded table.lista-rounded tbody:nth-child(1) > tr:nth-child(3)",
                        ];

                        var nextPageSelectors = ['a[title="next page"]'];
                        const indexOfCurrentPage = [...document.querySelectorAll("#pager_links > *")]
                            .map((x) => x.tagName)
                            .indexOf("B");
                        if (indexOfCurrentPage >= 0) {
                            nextPageSelectors = [
                                ...nextPageSelectors,
                                `#pager_links > a:nth-child(${indexOfCurrentPage + 2})`,
                            ];
                        }

                        // finding the "next page" link
                        const pageLinks = document.querySelectorAll("#pager_links > a");
                        const pageTextsIndex = [...pageLinks].map((a) => a.innerText).indexOf(">>");
                        if (pageTextsIndex >= 0) {
                            nextPageSelectors = [
                                ...nextPageSelectors,
                                `#pager_links > a:nth-child(${pageTextsIndex + 1})`,
                            ];
                        }
                        nextPageSelectors = [...nextPageSelectors, "#pager_links > a:last-child"];

                        const container =
                            tbodyEls[0].parentElement || getElementsByXPath("//table[@class='lista2t']")[0];
                        const infscrollOptions = {
                            path: nextPageSelectors.join(", "),
                            append: tbody.join(", "), // the table
                            hideNav: nav.join(", "),
                            scrollThreshold: 600,
                        };
                        console.log("infinitescroll options:", infscrollOptions);
                        const infScroll = new InfiniteScroll(container, infscrollOptions);
                        let infiniteScrollCheckTimer;
                        scheduleInfiniteScrollCheck = function () {
                            clearTimeout(infiniteScrollCheckTimer);
                            infiniteScrollCheckTimer = setTimeout(() => {
                                if (infScroll.isLoading || infScroll.canLoad === false) return;

                                const doc = document.documentElement;
                                const body = document.body;
                                const pageHeight = Math.max(
                                    body.scrollHeight,
                                    body.offsetHeight,
                                    doc.clientHeight,
                                    doc.scrollHeight,
                                    doc.offsetHeight
                                );
                                const distanceFromBottom = pageHeight - (window.pageYOffset + window.innerHeight);
                                if (distanceFromBottom > infscrollOptions.scrollThreshold) return;

                                console.log(
                                    "filtered page is near the bottom; requesting another infinite-scroll page"
                                );
                                infScroll.loadNextPage();
                            }, 150);
                        };

                        // upon appending a new page
                        infScroll.on("append", function (response, path, items) {
                            if (items.length) {
                                const lista2s = items[0].querySelectorAll(".lista2");
                                for (const lista2 of lista2s) {
                                    tbodyEls[0].appendChild(lista2);
                                    const columnCells = Array.from(lista2.childNodes).filter(
                                        (x) => x.nodeName !== "#text"
                                    );
                                    appendColumnCell(columnCells[1]);
                                }
                            }

                            try {
                                // remove extra appended headers
                                tbodyEls[0].nextElementSibling.remove();
                            } catch (error) {}

                            // filter the new torrents that just arrived
                            updateSearch();
                        });
                    })();
                }
            } else if (isOnWrongTorrentLinkPage) {
                // this torrent link has failed, then we have to go to the torrent page and download it
                const torrentPageUrl = new URL(location.href).searchParams.get("tpageurl"); // get the previously injected page url here
                if (torrentPageUrl) {
                    fetchDoc(torrentPageUrl).then((doc) => {
                        const torrentDownloadLink = doc.querySelector("td.lista a[onmouseover]");
                        location.assign(torrentDownloadLink.href);
                        document.addEventListener("DOMContentLoaded", () => document.close());
                        document.addEventListener("load", () => document.close());
                        setTimeout(() => window.close(), 1000);
                    });
                } else {
                    console.warn('"tpageurl" is not in the location params!');
                    window.close();
                }
            } else if (/\/index\d+\.php/.test(location.pathname)) {
                if (GM_config.get("autoExitIndexPhp")) {
                    location.assign("/torrents.php");
                }
            }

            (function onLoad() {
                console.log("loaded");
                document.body.onclick = null; // remove annoying click listeners

                // remove annoying search description
                const searchDescription = document.querySelector("#SearchDescription");
                if (searchDescription) searchDescription.remove();

                // remove annoying signup form that doesn't work
                const signinForm = document.querySelector('form[action="/login"]');
                if (signinForm) signinForm.remove();
                const signinTab = document.querySelector(
                    "body > table:nth-child(5) > tbody > tr > td > table > tbody > tr > td.header4"
                );
                if (signinTab) signinTab.remove();

                if (GM_config.get("hideRecommendedTorrents")) {
                    // remove recommended torrents
                    const recTor = document.querySelector('tr > [valign="top"] > [onmouseout="return nd();"]');
                    if (recTor) recTor.closest("div").remove();
                }

                // remove "recommended torrents" title
                const recTitle = getElementsByXPath('(//text()[contains(., "Recommended torrents :")])/../../..')[0];
                if (recTitle) recTitle.remove();

                // scroll the table to view (top of screen will be the first torrent)
                const mainTable = document.querySelector(
                    "body > table:nth-child(6) > tbody > tr > td:nth-child(2) > div > table > tbody > tr:nth-child(1) > td > table.lista2t"
                );
                if (mainTable) mainTable.scrollIntoView();

                // adding a dropdown list for mirrors
                (function addMirrorsDropdown() {
                    const blankTab = document.querySelector("td.header:nth-child(1)");
                    if (!blankTab) return;

                    const mirrorsTab = document.createElement("td");
                    mirrorsTab.className = "header3";
                    mirrorsTab.innerText = "Switch to mirror site:";

                    function openAllMirrors() {
                        console.log("opening all mirrors");

                        for (const hostnames of mirrorsTab.querySelectorAll("option.mirrors-option")) {
                            window.open(extractUrlFromMirrorHost(hostnames), "_blank");
                        }
                    }

                    function extractUrlFromMirrorHost(hostnameText) {
                        const split = location.href.split("/").slice(2);
                        split[0] = hostnameText;
                        return split.join("/");
                    }

                    const mirrorsSelect = document.createElement("select");
                    mirrorsSelect.onchange = function () {
                        if (!this.value) return;

                        console.log("this:", this);

                        if (this.value === "Open ALL mirrors") {
                            openAllMirrors();
                        } else {
                            location.assign(extractUrlFromMirrorHost(this.value));
                        }
                    };
                    mirrorsTab.appendChild(mirrorsSelect);

                    for (const mirror of GM_config.get("mirrors").split("\n")) {
                        const option = document.createElement("option");
                        option.className = "mirrors-option";
                        option.value = mirror;
                        try {
                            option.innerText = new URL(mirror).hostname;
                            if (option.innerText !== location.hostname) {
                                mirrorsSelect.appendChild(option);
                            }
                        } catch (e) {}
                    }

                    // adding another last one (which would be THIS hostsname's url)
                    const option_thisHostname = document.createElement("option");
                    option_thisHostname.innerText = location.hostname;
                    option_thisHostname.setAttribute("selected", "");
                    mirrorsSelect.appendChild(option_thisHostname);

                    // another option to open ALL the hostnames in the new tab
                    const option_openAllMirrors = document.createElement("option");
                    option_openAllMirrors.innerText = "Open ALL mirrors";
                    option_openAllMirrors.id = "open-all-mirrors";
                    option_openAllMirrors.setAttribute("selected", "");
                    option_openAllMirrors.onclick = openAllMirrors;
                    mirrorsSelect.appendChild(option_openAllMirrors);

                    mirrorsSelect.selectedIndex--;

                    blankTab.after(mirrorsTab);
                })();

                // create settings tab
                if (!document.querySelector("#settingsTab")) {
                    var lastTab = document.querySelector(
                        "tbody > tr > td > table > tbody > tr > td:last-child[class^='header3']" +
                            ", body > div.topnav > div.postContUp > button:last-child"
                    );
                    var settingsTab = lastTab.cloneNode();
                    settingsTab.id = "settingsTab";
                    settingsTab.onclick = function (e) {
                        GM_config.open();
                    };
                    var a = document.createElement("a");
                    a.innerText = "⚙️ Script Settings";
                    settingsTab.appendChild(a);
                    settingsTab.style["background-color"] = "green";
                    lastTab.after(settingsTab);
                }
            })();

            observeDocument((target) => {
                if (isOnIndexPage) {
                    for (const tbodyEl of tbodyEls) {
                        const newCol = appendColumn(tbodyEl, "Thumbnails", "Cat.", addThumbnailColumn);
                        if (!newCol.header.querySelector(".decrementImageSizeBtn")) {
                            var decrementImageSizeBtn = createElement(
                                '<a href="#" style="margin: 2px" class="decrementImageSizeBtn">(-)</a>'
                            );
                            decrementImageSizeBtn.addEventListener("click", decrementImageSize);

                            var incrementImageSizeBtn = createElement(
                                '<a href="#" style="margin: 2px" class="incrementImageSizeBtn">(+)</a>'
                            );
                            incrementImageSizeBtn.addEventListener("click", incrementImageSize);

                            var nobr = document.createElement("nobr");
                            newCol.header.appendChild(nobr);
                            nobr.appendChild(decrementImageSizeBtn);
                            nobr.appendChild(incrementImageSizeBtn);
                        }
                    }
                }

                dealWithTorrents(target);

                // group torrents
                titleGroups = updateTorrentGroups();
                for (const [torrentTitle, torrentAnchors] of Object.entries(titleGroups)) {
                    if (torrentAnchors.length > 1) {
                        if (GM_config.get("deduplicateTorrents")) {
                            Array.from(torrentAnchors)
                                .slice(1)
                                .forEach((el) => el.parentElement.parentElement.remove());
                        }
                    }
                }

                // remove links for adds that cover the screen
                for (const x of document.querySelectorAll(
                    '[style*="2147483647"], a[href*="https://s4yxaqyq95.com/"]'
                )) {
                    console.debug("removed redirect element:", x);
                    x.remove();
                }
            });
        }
    });

    (function bindKeys() {
        if (typeof Mousetrap === "undefined") return;
        Mousetrap.bind(["space"], (e) => {
            solveCaptcha(); // TODO: remove this, this is just for debugging
        });

        Mousetrap.bind("ctrl+/", function (e) {
            GM_config.open();
        });
        Mousetrap.bind(["/"], (e) => {
            console.log("clicking search input");

            e.preventDefault();
            const searchBar = document.querySelector("#searchinput");
            searchBar.click();
            searchBar.scrollIntoView();
            searchBar.select();
            searchBar.setSelectionRange(searchBar.value.length, searchBar.value.length);
        });

        Mousetrap.bind(["`"], (e) => toggleThumbnailSize());

        // saves an html and json file for all torrents on page
        Mousetrap.bind(["ctrl+s"], (e) => {
            document
                .querySelectorAll("body > table > tbody > tr > td:nth-child(4) > a.torrent-ml")
                .forEach((a) => (a.protocol = "magnet:"));

            document.querySelectorAll("a").forEach(
                (a) => a.setAttribute("href", relativeToAbsoluteURL(a.getAttribute("href"), "https://rarbgprx.org/"))
                // TODO: remove rarbgprx.org and put something more general
            );

            // converting image URLs to base64 (so they'd be saved in the page)
            Promise.all(
                Array.from(document.querySelectorAll("img")).map(
                    (img) =>
                        new Promise((resolve, reject) => {
                            fetchB64ImgUrl(img.src)
                                .then((bin) => resolve((img.src = bin || img.src)))
                                .catch(reject);

                            setTimeout(resolve, 2000);
                        })
                )
            )
                .then((promises) => {
                    console.log("SUCCESSFULLY converted image urls to base64", promises);
                })
                .finally(function (promises) {
                    const rows = document.querySelectorAll("table > tbody > tr.lista2");
                    const torrentJsons = Array.from(rows).map((row) => {
                        try {
                            const a = row.querySelector("a[onmouseover]");
                            const thumbnail = row.querySelector("td.thumbnail-cell > a > img.preview-image ");
                            const ml = row.querySelector(".torrent-ml");
                            const torrentLink = row.querySelector(".torrent-dl");
                            return {
                                title: a.title || a.innerText,
                                page: a.href,
                                torrentLink: torrentLink ? torrentLink.href : "",
                                magnetLink: ml ? encodeURI(ml.href) : "",
                                thumbnailSrc: thumbnail ? thumbnail.src : "",
                            };
                        } catch (e) {}
                    });
                    const torrentsObject = {
                        documentTitle: document.title,
                        date: Date.now(),
                        torrents: torrentJsons,
                    };

                    const tableOuterHTML = document.querySelector("table.lista2t, table.lista").outerHTML;
                    const summaryHTML = `<html lang="en">${document.head.outerHTML}<body>${tableOuterHTML}</body></html>`;

                    anchorClick(
                        makeTextFile(JSON.stringify(torrentsObject, null, 4)),
                        document.title + " [" + rows.length + "]" + " info.json"
                    );
                    anchorClick(makeTextFile(summaryHTML), document.title + " [" + rows.length + "]" + " summary.html");
                });
        });
        Mousetrap.bind(["d a"], function (e) {
            document.querySelectorAll(`img[src="${ICON_DESCRIPTION}"]`).forEach((img) => img.parentElement.click());
        });

        // increase thumbnail size
        Mousetrap.bind("=", incrementImageSize);
        // decrease thumbnail size
        Mousetrap.bind("-", decrementImageSize);

        // binding each key to a category
        // then you can change categories by pressing that key (like "m" for (M)ovie)
        console.group("Binding keys to categories:");
        for (const [key, catName] of Object.entries(catKeyMap)) {
            console.log(`"${key}": "${catName}"`);
            Mousetrap.bind(key, function (e) {
                const catCode = catCodeMap[catName].join(";");

                if (typeof URL !== "undefined") {
                    const url = new URL(location.href);
                    url.searchParams.set("category", catCode);
                    url.pathname = "/torrents.php";
                    location.assign(url.toString());
                } else {
                    location.assign("/torrents.php?category=" + catCode);
                }
            });
        }
        console.groupEnd();
    })();

    function addThumbnailColumn(cell, torrent, row) {
        // = Creating and adding thumbnail cell
        // var cell = document.createElement('td');
        const thumbnailLink = document.createElement("a");
        const thumbnailImg = document.createElement("img");

        cell.classList.add("thumbnail-cell");
        cell.appendChild(thumbnailLink);
        thumbnailLink.appendChild(thumbnailImg);

        const dllink = row.querySelector("a.torrent-dl");
        const ml = row.querySelector("a.torrent-ml");
        const dlurl = dllink ? dllink.href : extractTorrentDL(torrent);

        // thumbnail link
        (function setLinkHref() {
            switch (GM_config.get("thumbnailLink")) {
                case "magnetLink":
                    try {
                        thumbnailLink.href = ml;
                        if (!/^magnet:\?/.test(thumbnailLink.href))
                            // noinspection ExceptionCaughtLocallyJS
                            throw new Error("Not a magnet link");
                    } catch (e) {
                        thumbnailLink.href = dlurl;
                    }
                    break;
                case "torrentLink":
                    try {
                        thumbnailLink.href = dlurl;
                    } catch (e) {
                        thumbnailLink.href = ml;
                        if (debug) console.debug("Using MagnetLink for torrent thumbnail since torrent failed:", ml);
                    }
                    break;
                case "torrentPageLink":
                    thumbnailLink.href = torrent.href;
                    break;
            }
        })();

        if (thumbnailLink.href.indexOf("undefined") >= 0)
            console.warn("thumbnail Link:", thumbnailLink, "torrent:", torrent.innerText, "dl", dlurl);

        // thumbnail
        thumbnailImg.onmouseover = function playSound() {
            if (GM_config.get("thumbnailHoverSound")) {
                try {
                    var snd = PlaySound(
                        "data:audio/wav;base64," +
                            "//OAxAAAAAAAAAAAAFhpbmcAAAAPAAAABwAABpwAIyMjIyMjIyMjIyMjIyNiYmJiYmJiYmJiYmJiYoaGhoaGhoaGhoaGhoaGs7Ozs7Ozs7Ozs7Ozs7Oz19fX19fX19fX19fX19f7+/v7+/v7+/v7+/v7+///////////////////AAAAOUxBTUUzLjk4cgJuAAAAACxtAAAURiQEPiIAAEYAAAacNLR+MgAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAP/zgMQALgJKEAVceAEvDWSMMdDU1bDzruVPa709biTpr5M/jQ3RMD9vzP38U8LPTe65NBlcxiE041bC8AGAaC7/IYAAAAIAFxGSOmCkAyBIBcB6CcGgoKqxWRIafOc0zTOs6FA8ze+GBDCdlzNND1e/ve9KPGBWKxWMkT0/97v36sVjyJr/FH79+/fv49/e/9KUpS99//5u8eUpTX//+b3vf///+lH78P/+AAAAOAP6HhgB4/APDw98MP////+IAO/MR4ePAwggCEEBhlgu6Yz/87DEC08cMg1xn9gAUFGpgKgI8YZyf4mAmgxxgXaoyfOykqmKxmJhs74sUAAkAyBkZoMB1AejExQ1wwfcDgMFkANDAFQA8FB1g8ALmfoxhjKcxftxg6UudRxoxUmEloGBEyY0Ky6eMNHLJhBGZEMlAKDhGXz4oFOPDkMCoAi0IQoxUSSnBQEh3v+n+3+dH1bbQ+gEOAwcOA8jBgGhSMAOsmPZZ3o9FKV/qf+ylaqOymKmCmzSlAmRrDffwlX7xoeZZWIZxt26tmfdnTuyyIxWCqty1Ko1hzKzv8eYfq7jdzlGGGPc+fnUxoZVXpc6Wkmb1B9qmwtXe/v7mu7/HX8/m+W//D88N/v/5zCtnVxq4Vb1bH8sss8vs/Vwv939q1vWv1+9/++fr9Y6z3v+fy9vDnPta1zWOOt7v/OGusQqIYBGAuGA4gPRgKoCWYIUDPmEzB9Ji+xBObVsQ7GCXgaRgKQKyYHCAXGAeAHZgf/zgMQuOXr6CAPfoAH0AdmAmANJgHwBCAgBVejUn0jsOSx745R34tLB4ICRUug0UiAo2TUumpXNDcsmxUIEBQKQ4c5RJIGyyaKhVIaH6idjE3RQLpifZRiZibSJmJfSnFHHMnMSJJoGNFSa0lOdINrNzibuYOqank2OrW1NSRsmydabOpVMySUi7LXRTTWpjdDuz1JvdJNZrRUs2SspSSS6aFFC6JgepKhgJaH/XfYtMr3+kinu7+vO0SdXtgCRW+T/74ZPIbgEARJQKAaCiYD/85DECznDlgAS8w1xgE4YIIuJiNPGHGH/mYMYzBgohNmCuBaPCQGNGFURBpCwACTSsEgiEAtdcGkbtuS3pbGrbi6EAAI8AnOQ/BsFSmdkk5NxqGhUASH8OROljFy/RSuXxNXhJNyErYUMPvkQ1EMZ2dSJHXWIomnSqv7z+Gry3NuboB23/L5NIkblFlTkefY88Xc+hrCq+7A+U6Vq5X2NXyxE/FzzIHk8pGki6Nge+WGRqyoUSpUsovx9LRpJp0tMu2jWQrcO7RbT287sQ/+p0/Zn2P8K2ah68b8iYfeuva7yTjP08JiMFkFACA8A2HAqGDWCCUCamT2NodzfBxmwhkmIIFT/84DEHDesQfgC8w0dGBoDIYLYXpiaBLgACJpbMILcppb034fmaHGWtdh1/pfDENM+GgElJ/CvOENQbQH1C2GZNiZWR9H1/4zWO+7dc8SvOkbZqnb3sWxLfe1Ly3W1jcFfflePRRge3ptHW7TlLTq3Zd1pmO5drPOW+lt+lLM525XBdGHwPQHBoK0CtE6dIrjlRBmRm3KEuXic5/OsuMt6qsiOYW+PFNuo1pC0TWqinrGLw8qU23L7s05+zIvSCntp1ethSHTNMtKlT4SLhsk6//OAxAAweyXsPOpHHAkpzAEKjBoHSUAzFoVTEUgjNKmz5rGTUQxjLsQTD8GzBkmjI8IjA4BZUiawV3ZI7LWXFvSqNRqm3TWspqHo6JaohZpZEiRPFK5LFDHyksqz1UPvP/GlmpETUUKGMc8UOkJKzZC6V7KSKVbREQikUoWVmsAYMikUoYoSUsKmZXGJCSoWf5LSjiyIhCopIUOfVvVQESq0qqqqr6qq5dVS/+qq////qsDCn9NYLB0jIkSz6sqCoNAUBBUFn56DRpKgaeSX8f/zEMQBATgFEAAARgCCws02TEFNRTMuOTgu"
                    );
                } catch (e) {}
            }
        };
        thumbnailImg.classList.add("preview-image");
        thumbnailImg.classList.add("zoom");
        const src = extractThumbnailSrc(torrent);
        thumbnailImg.setAttribute("smallSrc", src);
        thumbnailImg.setAttribute("bigSrc", getLargeThumbnail(src));
        setThumbnail(thumbnailImg);
    }

    function solveCaptcha(OCRAD) {
        console.log("solving captcha...");
        const container = document.querySelector("tbody > :nth-child(2)");
        const img = container.querySelector("img");
        const captcha = document.querySelector("#solve_string");
        const submitBtn = document.querySelector("#button_submit");
        const url = new URL(location.href);

        function uriToImageData(uri) {
            return new Promise(function (resolve, reject) {
                if (uri == null) return reject();
                var canvas = document.createElement("canvas"),
                    context = canvas.getContext("2d"),
                    image = new Image();
                image.addEventListener(
                    "load",
                    function () {
                        canvas.width = image.width;
                        canvas.height = image.height;
                        context.drawImage(image, 0, 0, canvas.width, canvas.height);
                        resolve(context.getImageData(0, 0, canvas.width, canvas.height));
                    },
                    false
                );
                image.src = uri;
            });
        }

        function getBase64Image(img, excludeUrlProtocol = false) {
            // Create an empty canvas element
            var canvas = document.createElement("canvas");
            canvas.width = img.width;
            canvas.height = img.height;

            // Copy the image contents to the canvas
            var ctx = canvas.getContext("2d");
            ctx.drawImage(img, 0, 0);

            // Get the data-URL formatted image
            // Firefox supports PNG and JPEG. You could check img.src to
            // guess the original format, but be aware the using "image/jpg"
            // will re-encode the image.
            var dataURL = canvas.toDataURL("image/png");

            return (excludeUrlProtocol && dataURL.replace(/^data:image\/(png|jpg);base64,/, "")) || dataURL;
        }

        console.log("solveCAPTHA fetching image ...");

        return new Promise((resolve) => {
            // wait for image to load
            if (img.complete) {
                return resolve();
            }
            img.onload = resolve;
        })
            .then(() =>
                uriToImageData(getBase64Image(img)).then((imageData) => {
                    if (img.naturalHeight === 0 && img.naturalWidth === 0) {
                        console.warn("image hasn't loaded, refreshing to new captha page");
                        url.searchParams.set("defence", "1");
                        location.assign(url.toString());
                        return;
                    }

                    console.log("feeding image to OCR ...");
                    var imageText = OCRAD(imageData);
                    console.log("OCRAD result:", imageText);
                    if (!imageText) {
                        throw Error("OCRAD result is empty");
                    }
                    captcha.value = imageText;
                    submitBtn.display = "";
                    submitBtn.click();
                })
            )
            .catch((e) => {
                console.error(e);
                url.searchParams.set("defence", "1");
                location.assign(url.toString());
            });
    }

    /**
     * hides all torrents that do not match the search query
     * TODO:maybe generalize this function to just return the resulting score for each item,
     *      this way it can be portable and made as a library and use elsewhere
     *      and then you can iterate and hide them later
     */
    function updateSearch() {
        if (!searchBox) throw new Error("Search box not found");
        const query = searchBox.value.trim();
        const torrents = document.querySelectorAll("table > tbody > tr.lista2 a[title]");
        const convertedQuery = query
            .replace(/[!$%^&*()_+|~=`{}\[\]:";'<>?,.\/]+/g, ".")
            .trim()
            .replace(/\s+/, "|");

        const completelyNegativeQuery = (function () {
            for (const term of convertedQuery.split("|").filter((str) => str.length !== 0)) {
                // if a positive search term
                if (term.indexOf("-") === -1) return false;
            }
            return true;
        })();

        const regex = new RegExp(
            convertedQuery.replace(/-/g, "|").replace(/\|\|/g, "|").replace(/^\|/, ""), // '|' that is at the beginning of a word
            "ig"
        );

        console.debug(
            "regex:",
            regex,
            "\nconverted query:",
            convertedQuery,
            "\ncompletelyNegativeQuery:",
            completelyNegativeQuery
        );

        for (const a of torrents) {
            var match = (a.title || a.innerText).match(regex);
            let hideCondition = query && !completelyNegativeQuery;
            if (match) {
                const matches = !!match ? Array.from(match) : [];
                var negativeMatches = matches.filter(
                    (
                        group // tests if it's a negative match (if there is a '-' before the search term)
                    ) => group && new RegExp("-" + group, "ig").test(query)
                );
                var positiveMatches = matches.filter(
                    (
                        group // tests if it's a negative match (if there is a '-' before the search term)
                    ) => group && !new RegExp("-" + group, "ig").test(query)
                );
                hideCondition =
                    query &&
                    (completelyNegativeQuery
                        ? negativeMatches.length
                        : negativeMatches.length || !positiveMatches.length);
            } // skip if empty title

            a.closest(".lista2").style.display = hideCondition ? "none" : "";

            // DONE: make it so that it doesn't just check if "query" starts with '-', rather, check each match and check if each word starts with '-'
        }

        if (query) scheduleInfiniteScrollCheck();
    }

    function updateCss() {
        thumbnailsCssBlock.innerText = `td.thumbnail-cell > a > img.preview-image, a.extra-tb > img {
                max-width: ${GM_config.get("imgScale")}px;
                max-height: ${GM_config.get("imgScale")}px;
            }`;
    }

    function observeDocument(callback) {
        callback(document.body);
        new MutationObserver(function (mutations, me) {
            me.disconnect();
            for (var i = 0; i < mutations.length; i++) {
                if (mutations[i].addedNodes.length) {
                    callback(mutations[i].target);
                }
            }
            me.observe(document.body, {
                childList: true,
                subtree: true,
                attributes: false,
                characterData: false,
            });
        }).observe(document.body, {
            childList: true,
            subtree: true,
            attributes: false,
            characterData: false,
        });
    }

    /**
     * grouping similar torrents together
     * this is useful when you have 3 torrents of the same movie but different resolutions, there's no need to see it 3 times
     * @returns {{string: HTMLAnchorElement[]}}
     */
    function updateTorrentGroups() {
        const FILLER_WORDS = new Set([
            "THE",
            "SD",
            "AND",
            "2160P",
            "MP4",
            "THE",
            "COM",
            "WEIRD",
            "IN",
            "YAPG",
            "A",
            "TRASHBIN",
            "FOR",
            "TO",
            "WITH",
            "HER",
            "MY",
            "ON",
            "PART",
            "X264",
            "OF",
            "720P",
            "SEX",
            "XXX",
            "MP4",
            "KTR",
            "1080P",
            "SD",
            "KLEENEX",
        ]);

        const extractCleanTitle = (a) =>
            Array.from(
                new Set(
                    (a.title || a.innerText)
                        .toUpperCase()
                        .replace(/\d{1,3}\.\d{1,3}\.\d{1,3}\.?/, "") // remove dates like 02.11.2019
                        .split(/[\s._\-\[\]]/g) // split on dots and dashes and spaces...
                        .filter((word) => word) // remove empty words
                ).difference(FILLER_WORDS) // remove filler words
            )
                .sort() // sort to maximize conflicts (we want the same title with different word orderings to be in the same group)
                .join(" ");

        const titleToLinkEntries = getTorrentLinks().map((a) => [
            (a.cleanTitle = a.cleanTitle || extractCleanTitle(a)),
            a,
        ]);
        /*
         * looks like:
         *
         * 0: (2) ["HOPE ION10 S04 SAVING WEBRIP", a.modded]
         * 1: (2) ["ALASKA ION10 RAILROAD S01 WEBRIP", a.modded]
         * 2: (2) ["ION10 RULES S08E11 VANDERPUMP WEBRIP", a.modded]
         * 3: (2) ["ION10 RESIDENT S03E18 WEBRIP", a.modded]
         */

        /**
         * clusters: titles to words
         * {key: value}  {title: array of links that belong to that same title}
         * @typedef {string: Element[]}
         */
        titleGroups = fromEntriesMultivalue(
            titleToLinkEntries //.concat(Object.entries(titleGroups))
            // .map( ([k, v]) => [k, Array.from(new Set(v))] ) // remove duplicate links
        );
        /*
         * looks something like:
         *
         * HOPE ION10 S04 SAVING WEBRIP: [a.modded]
         * ALASKA ION10 RAILROAD S01 WEBRIP: [a.modded]
         * ION10 RULES S08E11 VANDERPUMP WEBRIP: [a.modded]
         * ION10 RESIDENT S03E18 WEBRIP: [a.modded]
         * ION10 NAMASTE S04 WEBRIP YOGA: [a.modded]
         */

        return titleGroups;
    }

    function dealWithTorrents(node) {
        for (const torrentLink of node.querySelectorAll('tr.lista2 > td > a[title][href^="/torrent/"]:not(.modded)')) {
            const row = torrentLink.closest("tr");

            // = adding relative time to columns
            for (const tbodyEl of tbodyEls) {
                if (!isOnTop10page)
                    (function changeDateToRelativeTime() {
                        var column_Added = row.querySelector(
                            "td:nth-child(" + (getColumnIndex(tbodyEl, "Added") + 1) + ")"
                        );

                        const diffInMinutes = (Date.now() - Date.parse(column_Added.innerHTML)) / (1000 * 60);

                        var diffFinal = Math.round(diffInMinutes) + " minutes";

                        if (diffInMinutes / (60 * 24) >= 365 * 2) {
                            // > 2years
                            diffFinal = Math.round(diffInMinutes / (60 * 24 * 365)) + " years";
                        } else if (diffInMinutes / (60 * 24) >= 2) {
                            // > 2days
                            diffFinal = Math.round(diffInMinutes / (60 * 24)) + " days";
                        } else if (diffInMinutes / 60 >= 2) {
                            diffFinal = Math.round(diffInMinutes / 60) + " hours";
                        }

                        if (debug) console.log("column_Added:", column_Added);
                        column_Added.innerHTML =
                            column_Added.innerHTML + "<br>\n" + (diffFinal + " ago").replace(" ", "&nbsp");
                    })();
            }
            addImageSearchAnchor(torrentLink);

            torrentLink.classList.add("modded");
        }

        var blockCatlist = [];
        if (GM_config.get("block Movies")) blockCatlist.push("/torrents.php?category=movies");
        if (GM_config.get("block XXX")) blockCatlist.push("/torrents.php?category=2;4");
        if (GM_config.get("block TV shows")) blockCatlist.push("/torrents.php?category=2;18;41;49");
        if (GM_config.get("block Games")) blockCatlist.push("/torrents.php?category=2;27;28;29;30;31;53");
        if (GM_config.get("block Music")) blockCatlist.push("/torrents.php?category=2;23;24;25;26");
        if (GM_config.get("block Software")) blockCatlist.push("/torrents.php?category=2;33;34;43");
        var selectorMenu = blockCatlist.map((c) => `tr > td > a.anal[href$="${c}"]`).join(", ");
        try {
            document.querySelectorAll(selectorMenu).forEach((a) => a.closest("tr").remove());
        } catch (e) {}

        var blocklist = [];
        if (GM_config.get("block Movies")) blocklist = blocklist.concat(catCodeMap["Movies"]);
        if (GM_config.get("block XXX")) blocklist = blocklist.concat(catCodeMap["XXX"]);
        if (GM_config.get("block TV shows")) blocklist = blocklist.concat(catCodeMap["TV shows"]);
        if (GM_config.get("block Games")) blocklist = blocklist.concat(catCodeMap["Games"]);
        if (GM_config.get("block Music")) blocklist = blocklist.concat(catCodeMap["Music"]);
        if (GM_config.get("block Software")) blocklist = blocklist.concat(catCodeMap["Software"]);
        var selector = blocklist.map((c) => `img[src$="/static/20/images/categories/cat_new${c}.gif"]`).join(", ");
        try {
            document.querySelectorAll(selector).forEach((img) => img.closest("tr").remove());
        } catch (e) {}
    }

    function setThumbnail(thumbnail) {
        if (!thumbnail.src) {
            thumbnail.src = thumbnail.getAttribute("smallSrc");
        }

        // creating image objects to add load listeners to them
        var smallImage = new Image();
        smallImage.src = thumbnail.getAttribute("smallSrc");
        // set to small src when loading small image
        smallImage.onLoad = function () {
            thumbnail.setAttribute("small-loaded", "");
            thumbnail.src = thumbnail.getAttribute("smallSrc");

            if (GM_config.get("largeThumbnails") && thumbnail.getAttribute("big-loaded")) {
                thumbnail.src = thumbnail.getAttribute("bigSrc");
            }
        };
        // creating image objects to add load listeners to them
        var bigImage = new Image();
        bigImage.src = thumbnail.getAttribute("bigSrc");
        // set to small src when loading small image
        bigImage.onLoad = function () {
            thumbnail.setAttribute("big-loaded", "");

            if (GM_config.get("largeThumbnails")) {
                thumbnail.src = thumbnail.getAttribute("bigSrc");
            }
        };

        // thumbnail.src = thumbnail.getAttribute((!GM_config.get('largeThumbnails') ? 'smallSrc' : 'bigSrc'));
        thumbnail.src = GM_config.get("largeThumbnails")
            ? thumbnail.getAttribute("bigSrc")
            : thumbnail.getAttribute("smallSrc");

        if (!GM_config.get("addThumbnails")) {
            thumbnail.src =
                thumbnail.closest("a").href.indexOf("magnet:?") === 0 // if magnet link
                    ? MAGNET_ICO // magnet icon
                    : TORRENT_ICO; // else, just put torrent icon
        }
    }

    function toggleThumbnailSize(newSize = "toggle") {
        if (newSize === "large") {
            GM_config.set("largeThumbnails", true);
        } else if (newSize === "small") {
            GM_config.set("largeThumbnails", false);
        } else if (newSize === "toggle") {
            GM_config.set("largeThumbnails", !GM_config.get("largeThumbnails"));
        }
        GM_config.write();

        console.log("toggleThumbnailSize(" + newSize + ")");
        document.querySelectorAll(".preview-image").forEach(setThumbnail);
        updateCss();
        if (debug)
            console.log(
                "toggling thumbnail sizes. GM_config.set(largeThumbnails,",
                GM_config.get("largeThumbnails"),
                ")"
            );
    }

    // gets the large thumbnail from the small thumbnail (works for rarbg thumbnails)
    function getLargeThumbnail(smallThumbUrl) {
        // Movie example
        // Small pic:   http://dyncdn.me/mimages/316661/over_opt.jpg
        // Big pic:     http://dyncdn.me/mimages/316661/poster_opt.jpg
        return (
            smallThumbUrl
                .replace("over_opt", "poster_opt") // movie thumbnail replacement
                // other thumbnail replacement
                .replace("static/over", "posters2/" + smallThumbUrl.replace(/(.*?)over\//, "").charAt(0)) //put "posters2" + the first character after the '/'
        );
    }

    /** @Return returns the extracted source url from the 'onmouseover' attribute */
    function extractThumbnailSrc(torrentAnchor) {
        if (!torrentAnchor) console.warn("null torrent anchor:", torrentAnchor);
        let thumbnailSrc = "";
        try {
            // thumbnailSrc = thumbnailSrc.match(/(?<=(return overlib('\<img src\=\')))(.*?)(?=(\' border\=0\>\'))/i)[0];
            thumbnailSrc = torrentAnchor.getAttribute("onmouseover") || "";
            thumbnailSrc = thumbnailSrc.substring(
                "return overlib('<img src='".length + 1,
                thumbnailSrc.length - "' border=0>'".length - 2
            );
        } catch (r) {
            thumbnailSrc = MAGNET_ICO;
            console.error("extractThumbnailSrc error:", r);
        }
        if (debug) console.debug("extractThumbnailSrc(", torrentAnchor, ")->", thumbnailSrc);
        return thumbnailSrc;
    }

    function addImageSearchAnchor(torrentAnchor) {
        const searchTd = document.createElement("td"),
            searchLink = document.createElement("a");
        searchTd.classList.add("search");
        // searchTd.style['border-top-width'] = '10px';
        // searchTd.style['padding-top'] = '10px';

        //replacing common useless torrent terms
        let searchQuery = clearSymbolsFromString(torrentAnchor.title || torrentAnchor.innerText)
            .replace(/\s\s+/g, " ") // removes double spaces
            .trim();
        /**
         * @return {string} the category of the torrent (Movies, XXX, TV Shows, Games, Music, Software, Non XXX)
         */
        function getCategory(torrentAnchor) {
            const anchor = torrentAnchor.parentElement.parentElement.parentElement.querySelector(
                'table.lista2t a[href^="/torrents.php?category="]'
            );
            /*
             *  extracting the code of the category from the url.
             *  example:
             *    TV shows:   .../torrents.php?category=18
             *    code is:  18
             */
            const categoryCode = anchor.href.split("torrents.php?category=").pop();
            // a map of the
            if (codeToCatMap.hasOwnProperty(categoryCode)) {
                return codeToCatMap[categoryCode];
            } else {
                if (debug) console.debug("Unkown category:", categoryCode);
            }
        }

        searchLink.href = searchEngine.imageSearchUrl(searchQuery);
        try {
            if (GM_config.get("addCategoryWithSearch") && !new RegExp(getCategory(torrentAnchor)).test(searchLink.href))
                searchLink.href += " " + getCategory(torrentAnchor);
        } catch (e) {
            if (debug) console.warn("unable to get category", searchLink);
        }
        if (debug) console.debug("search url:", searchLink.href);
        searchLink.classList.add("search");
        searchLink.target = "_blank";

        var searchEngineText = document.createElement("p5");
        var qText = document.createElement("p6");
        searchEngineText.innerHTML = `${searchEngine.name} Image Search`;
        qText.innerHTML = GM_config.get("showGeneratedSearchQuery") ? ": " + searchQuery : "";

        let searchIcon = document.createElement("img");
        // searchIcon.src = SEARCH_ICON_URL;
        searchIcon.src = "https://www.google.com/s2/favicons?domain=" + searchEngine.name.toLowerCase() + ".com";

        searchIcon.style.height = "15px";
        searchIcon.style.width = "15px";
        // searchLink.style.padding = '20px';
        searchLink.appendChild(searchIcon);
        // searchLink.appendChild(searchEngineText);
        searchLink.appendChild(qText);

        torrentAnchor.after(searchLink);
        if (!GM_config.get("includeSearchForImagesButton")) {
            searchLink.style.display = "none";
        }

        var extraThumbnailsLink = document.createElement("a");
        extraThumbnailsLink.style["cursor"] = "pointer";
        const STR_FETCH_DESCRIPTION_THUMBNAILS = "";
        const STR_FETCH_EXTRA_THUMBNAILS = "";

        var moreIcon = createElement('<img src="' + ICON_DESCRIPTION + '"></img>');
        moreIcon.alt = STR_FETCH_DESCRIPTION_THUMBNAILS;

        extraThumbnailsLink.textContent = STR_FETCH_DESCRIPTION_THUMBNAILS;
        if (isOnSingleTorrentPage) {
            extraThumbnailsLink.textContent = STR_FETCH_EXTRA_THUMBNAILS;
            moreIcon.src = ICON_MORE_BLUE;
            moreIcon.alt = STR_FETCH_EXTRA_THUMBNAILS;
        }
        // extraThumbnailsLink.firstElementChild.src = '';
        searchLink.after(extraThumbnailsLink);
        extraThumbnailsLink.appendChild(moreIcon);
        if (!GM_config.get("includeDescriptionsButton")) {
            moreIcon.style.display = "none";
        }

        var div = document.createElement("div");
        div.classList.add("row");
        torrentAnchor.parentNode.previousElementSibling.append(div);

        async function onclick(e) {
            if (moreIcon.src === ICON_DESCRIPTION) {
                try {
                    function tryToGetParentAnchorHref(img) {
                        try {
                            return img.closest("a").href;
                        } catch (e) {
                            return "";
                        }
                    }
                    var descriptionSrcsDescriptionHrefs = await GM_fetch(torrentAnchor.href)
                        .then((r) => r.text())
                        .then(async function (html) {
                            let doc = new DOMParser().parseFromString(html, "text/html");
                            let imgs = doc.querySelectorAll("#description > a > img, a > img.descrimg, img.descrimg");
                            let imgUrls = Array.from(imgs).map((img) => [img.src, tryToGetParentAnchorHref(img)]);

                            for (const a of doc.querySelectorAll(".js-modal-url")) {
                                let urls = [];
                                if (!a.querySelector("img")) {
                                    console.log("a.js-modal-url has no image", a);

                                    // If it's not an image URL, attempt to fetch images from the webpage
                                    urls = await GM_fetch(a.href)
                                        .then((response) => response.text())
                                        .then((html) => {
                                            let parser = new DOMParser();
                                            let doc = parser.parseFromString(html, "text/html");
                                            const urls = [...doc.querySelectorAll("a > img")].map((img) => img.src);
                                            if (urls.length > 5) {
                                                console.warn("Too many images on page, skipping", a.href);
                                                return [];
                                            }
                                            return urls;
                                        })
                                        .catch((err) => {
                                            console.error("Failed to fetch webpage: ", err);
                                            return [];
                                        });
                                } else {
                                    console.log("a.js-modal-url has an image", a);
                                    urls = [...a.querySelectorAll("img")].map((img) => img.src);
                                }
                                urls.forEach((url) => {
                                    imgUrls.push([url, url]);
                                    var img = doc.createElement("img");
                                    img.src = url;
                                    img.classList.add("descrimg");
                                    var div = doc.createElement("div");
                                    div.appendChild(img);
                                    a.appendChild(div);
                                });
                            }

                            return imgUrls;
                        });
                    descriptionSrcsDescriptionHrefs = descriptionSrcsDescriptionHrefs.filter(
                        (x) => !BLACKLISTED_IMG_URLS.has(x[0])
                    );
                    // FIXME: .slice(0) add an option for this later instead of forcefully only using a single image
                    for (var [descriptionSrc, descriptionHref] of descriptionSrcsDescriptionHrefs.slice(0, 1)) {
                        var a = document.createElement("a");
                        a.href = descriptionHref;
                        // a.style.maxHeight = '400px';
                        // a.innerText = "Description";
                        a.classList.add("description-tb");
                        a.style["font-size"] = "20px";
                        a.style["display"] = "grid";
                        a.target = "_blank";

                        var img = document.createElement("img");
                        img.src = descriptionSrc;
                        img.alt = "thumbnail";
                        img.style.maxWidth = GM_config.get("imgScale") + "px";
                        img.classList.add("description");
                        img.classList.add("zoom");

                        a.append(img);
                        // have elements side by side
                        var subdiv = document.createElement("div");
                        subdiv.append(a);

                        // stop if already exists
                        if (div.querySelector("a.description-tb")) {
                            return;
                        }

                        div.append(subdiv);
                        div.style["display"] = "grid";
                        div.style["grid-template-columns"] = "1fr 1fr";
                        div.style["grid-gap"] = "10px";

                        replaceAllImageHosts([img]);

                        // this section of the code should only run on a single image
                        // add rotating gallery for image
                        img.srcs = descriptionSrcsDescriptionHrefs;
                        var lastImageIndex = -1; // Store the last displayed image index

                        function calculateImageIndex(mouseX) {
                            var rect = img.getBoundingClientRect();
                            var width = rect.right - rect.left;
                            var numOfImages = img.srcs.length;
                            var imageWidth = width / numOfImages;
                            var index = Math.min(
                                numOfImages - 1,
                                Math.max(0, Math.floor((mouseX - rect.left) / imageWidth))
                            );
                            return index;
                        }

                        function updateImage(mouseX) {
                            var index = calculateImageIndex(mouseX);
                            if (index !== lastImageIndex) {
                                lastImageIndex = index;
                                var [src, href] = img.srcs[index];
                                img.src = src;
                                img.closest("a").href = href;
                                console.log("Updated image to", src);
                                replaceAllImageHosts([img]);
                            }
                        }

                        img.addEventListener("mouseover", function (event) {
                            img.style.cursor =
                                "url('https://cdn.icon-icons.com/icons2/1464/PNG/512/resizeleftright_100194.png'), auto"; // Replace with the path to your cursor image
                            updateImage(event.clientX); // Initial update on mouseover
                        });

                        img.addEventListener("mousemove", function (event) {
                            img.style.cursor =
                                "url('https://cdn.icon-icons.com/icons2/1464/PNG/512/resizeleftright_100194.png'), auto"; // Replace with the path to your cursor image
                            updateImage(event.clientX); // Update on mouse move
                        });

                        img.addEventListener("mouseout", function () {
                            // Optionally reset the image to the first one or do nothing
                            var [src, href] = img.srcs[0];
                            img.src = src;
                            img.closest("a").href = href;
                            img.style.cursor = ""; // Replace with the path to your cursor image
                        });

                        window.addEventListener("keyup", function (event) {
                            if (event.key === "Alt") {
                                endImageCycle();
                            }
                        });
                    }
                } catch (ee) {
                    console.error(ee);
                    // await onclick(e);
                }
                // extraThumbnailsLink.textContent = STR_FETCH_EXTRA_THUMBNAILS;
                moreIcon.src = ICON_MORE_BLUE;
                moreIcon.alt = STR_FETCH_EXTRA_THUMBNAILS;
            } else {
                var query = clearSymbolsFromString(torrentAnchor.innerText)
                    .replace(/\s\s+/g, " ") // removes double spaces
                    .trim();
                getGoogleImages(query).then((metas) => {
                    metas = Object.values(metas);
                    for (const meta of metas) {
                        if (/dyncdn/.test(meta.ou)) {
                            continue; // skip rarbg thumbnails
                        }
                        var a = document.createElement("a");
                        a.href = meta.st;
                        a.innerText = meta.pt;
                        a.classList.add("extra-tb");
                        a.style["font-size"] = "5px";
                        a.style["display"] = "table-caption";
                        a.target = "_blank";

                        var img = document.createElement("img");
                        a.classList.add("zoom");
                        img.src = meta.ou;
                        //https://stackoverflow.com/a/70725756/7771202
                        img.setAttribute(
                            "onerror",
                            "function incrementFallbackSrc(img, srcs) {if (typeof img.fallbackSrcIndex === 'undefined') img.fallbackSrcIndex = 0;img.src = srcs[img.fallbackSrcIndex++];}; incrementFallbackSrc(this, ['" +
                                meta.tu +
                                "'])"
                        );

                        a.append(img);
                        var subdiv = document.createElement("div");
                        subdiv.classList.add("column");
                        subdiv.append(a);
                        div.append(subdiv);
                    }
                });
                extraThumbnailsLink.remove();
            }

            e.preventDefault();
            e.stopImmediatePropagation();
            e.stopPropagation();
            return false;
        }
        extraThumbnailsLink.addEventListener("click", onclick);

        if (GM_config.get("alwaysFetchExtraThumbnails") && !isOnSingleTorrentPage) {
            extraThumbnailsLink.click();
        }
    }

    function initSearchEngine() {
        const searchEngineValue = GM_config.get("ImageSearchEngine");
        if (SearchEngines.hasOwnProperty(searchEngineValue)) {
            searchEngine = SearchEngines[searchEngineValue];
            console.log("search engine:", searchEngineValue, searchEngine);
        } else {
            searchEngine = SearchEngines.google;
            console.warn(`Search engine ${searchEngineValue} does not exist, falling back to ${searchEngine.name}`);
        }
    }

    function downloadAllTorrents() {
        console.log("downloadAllTorrents()");
        const visibleTorrentAnchors = document.querySelectorAll(
            'body > table:nth-child(6) > tbody > tr > td:nth-child(2) > div > table > tbody > tr:nth-child(1) > td > table.lista2t > tbody > tr.lista2 .torrent-dl:not([style*="display: none;"])'
        );

        if (confirm(`Would you like to download all the torrents on the page? (${visibleTorrentAnchors.length})`)) {
            // click all magnet links
            // document.querySelectorAll("a.torrent-dl").-forEach(a => window.open(a.click(), '_blank'));
            document.querySelectorAll("a.torrent-ml").forEach((a) => {
                // invoke the onmouseover event to get the magnet link
                a.fetchMagnetLink(null, true);
            });
        }
    }

    /**
     * @param {string} headerTitle - td.header6 element
     * @returns {number} the index of the column given the column header text
     */
    function getColumnIndex(tbodyEl, headerTitle) {
        var headerTitles = Array.from(tbodyEl.querySelectorAll("tr:nth-child(1) > td")).map((el) =>
            el.innerText.trim()
        );
        if (!headerTitles) {
            console.warn("did not find header titles");
            headerTitles = ["Cat.", "Thumbnails", "File", "ML DL", "Added", "Size", "S.", "L.", "", "Uploader"];
        }

        var idx = headerTitles.indexOf(headerTitle);
        if (idx >= 0) {
            return idx;
        } else {
            console.warn(
                "The passed headerTitle:",
                headerTitle,
                "is not a valid headerTitle, choose from:",
                headerTitles
            );
            const allHeaders = tbodyEl.querySelectorAll("tr > td.header6");
            return [].map.call(allHeaders, (header) => header.innerText).indexOf(headerTitle);
        }
    }

    /**
     * Adds a column to the torrents table. Safe to call this function multiple times for the same column, it will not add duplicate cells to a row that already has this header.
     * @author https://greasyfork.org/en/scripts/23493-rarbg-torrent-and-magnet-links/code
     * @param {string} title -
     * @param {(number|string)=2} colIndex - A number specifying the column index to be inserted after (to the right of) (starts from zero).
     *  or a string of one of the other headers (search will be performed automatically)
     *      So for example, appendColumnGeneral("Between 0 and 1", 1) would come between the first and second columns
     * @param {Function} callback - paremeters: callback(newCell, anchor, row). will be called on the added cells, will not be called on cells that already exist.
     * @returns {HTMLTableDataCellElement[]} - returns the added elements (excluding the header, and excluding)
     */
    function appendColumn(tbodyEl, title, colIndex = 2, callback = (cell, anchor, row) => true) {
        if (typeof colIndex === "string") {
            colIndex = getColumnIndex(tbodyEl, colIndex);
        }

        const sanitizedTitle = $.escapeSelector(title.replace(/\s/g, "")).replace(/\s/g, "");

        /**
         * Make and insert column cell
         * @param {HTMLTableDataCellElement=} oldCell - if provided, new cell will be placed afterend
         * @returns {HTMLElement}
         */
        function makeCell(oldCell) {
            const cell = document.createElement("td");
            // cell.innerText = title;
            cell.classList.add("lista");
            if (sanitizedTitle) cell.classList.add(sanitizedTitle);
            cell.setAttribute("width", "50px");
            cell.setAttribute("align", "center");

            if (oldCell) {
                oldCell.insertAdjacentElement("afterend", cell);
            }
            return cell;
        }

        // the initial column, after of which the extra column will be appended
        // let tbodySelector = ".lista2t > tbody";
        const oldColumnEntries = tbodyEl.querySelectorAll("tr > td:nth-child(" + (colIndex + 1) + ")");

        // header: the first cell (the header cell) of the new column
        var header;
        header = tbodyEl.querySelector("#" + sanitizedTitle + "-head");
        // if this column has already been added
        if (!header) {
            header = document.createElement("td");
            header.innerHTML = title;
            header.setAttribute("align", "center");
            header.classList.add("header6");
            header.id = sanitizedTitle + "-head";
            // header.style.display = 'inline-flex';
            oldColumnEntries[0].insertAdjacentElement("afterend", header);
            if (debug) console.log("header:", header);
        }

        // creation of the extra column
        const newColumn = [].slice
            .call(oldColumnEntries, 1)
            // exclude rows that already have this column
            .filter((oldCol) => {
                const row = oldCol.closest("tr.lista2");
                const selector = "." + $.escapeSelector(sanitizedTitle);
                if (row) return !row.querySelector(selector);
            })
            .map(makeCell);

        // fire callback
        for (let cell of newColumn) {
            let row = cell.closest("tr.lista2");
            let anchor = row.querySelector("a[title]");
            callback(cell, anchor, row);
        }
        newColumn.__defineGetter__("header", () => header);
        return newColumn;
    }

    /**
     * @param prevColCell
     * @return {*}
     */
    function appendColumnCell(prevColCell) {
        if (prevColCell.closest("tr.lista2").querySelector(".has-torrent-DL-ML"))
            // check that the same row doesn't already have DL-ML
            return;
        // the initial column 'Files' after of which the extra column will be appended
        // creation of the extra column

        prevColCell.insertAdjacentHTML("afterend", "<td></td>");
        prevColCell.classList.add("has-torrent-DL-ML");

        // the rest cells of the new column
        prevColCell.nextSibling.setAttribute("class", "lista");
        prevColCell.nextSibling.setAttribute("width", "50px");
        prevColCell.nextSibling.setAttribute("align", "center");

        // populate the cells in the new column with DL and ML links
        return addDlAndMl(prevColCell.nextSibling, prevColCell);
    }

    /**
     * The actual function calls have `cell, fileTd` swapped
     * @param cell
     * @param fileTd
     * @returns {string}
     */
    function addDlAndMl(cell, fileTd) {
        var row = fileTd.closest("tr.lista2");

        let anchor = row.querySelector("a[title]");

        if (GM_config.get("showTorrentDownloadIcon")) {
            // language=HTML
            let downloadLink = createElement(
                `<a  data-href="${anchor.href}" href="${extractTorrentDL(
                    anchor
                )}" class="torrent-dl" target="_blank" ><img src="${TORRENT_ICO}" alt="Torrent"></a>`
            );
            cell.appendChild(downloadLink); // torrent download
        }

        // real:
        //     https://rarbgaccess.org/download.php?id=...&h=120&f=...-[rarbg.to].torrent
        //     https://rarbgaccess.org/download.php?id=...&      f=...-[rarbg.com].torrent
        // https://www.rarbgaccess.org/download.php?id=...&h=120&f=...-[rarbg.to].torrent

        // matches anything containing "over/*.jpg" *: anything
        const anchorOuterHTML = anchor.outerHTML;
        const hash = /over\/(.*)\.jpg\\/.test(anchorOuterHTML)
            ? anchorOuterHTML.match(/over\/(.*)\.jpg\\/)[1]
            : undefined;

        const title = anchor.innerText;

        const magnetUriStr = `magnet:?xt=urn:btih:${hash}&dn=${title}&tr=${trackers}`;

        const ml = createElement(
            `<a class="torrent-ml" data-href="${anchor.href}" href="${magnetUriStr}"><img src="${MAGNET_ICO}" alt=""></a>`
        );
        if (hash === undefined) {
            ml.href = "javascript:void(0);";
            addMouseoverListener(ml, "ml");
        }

        cell.appendChild(ml); // magnet ink

        return magnetUriStr;
    }

    function extractTorrentDL(anchor) {
        return `${anchor.href.replace("torrent/", "download.php?id=")}&f=${encodeURI(
            anchor.innerText
        )}-[rarbg.to].torrent&tpageurl=${encodeURIComponent(anchor.href.trim())}`;
    }

    function addMouseoverListener(link, type) {
        function listener(event, openAfterFetching = false) {
            if (event) event.preventDefault();

            if (link.magnetHref) {
                link.href = link.magnetHref;
            }

            if (!link.href.startsWith("magnet:")) {
                if (debug) console.log("actually addMouseoverListener()", link);
                let tUrl = link.getAttribute("data-href");
                console.log("fetching ", tUrl);

                var xhr = new XMLHttpRequest();
                xhr.open("GET", tUrl, true); // XMLHttpRequest.open(method, url, async)
                function onerror() {
                    console.error("Error while fetching magnet link");
                    link.style.display = "none";
                    link.closest("tr").style.filter = "grayscale(1)";
                    if (GM_config.get("hideEmptyTorrentLinks")) {
                        link.closest("tr").style.display = "none";
                    }
                }
                xhr.onload = function () {
                    let container = document.implementation.createHTMLDocument().documentElement;
                    container.innerHTML = xhr.responseText;
                    // console.debug("xhr.responseText", xhr.responseText);

                    let retrievedLink =
                        type === "dl"
                            ? container.querySelector('a[href^="/download.php"]') // download link
                            : container.querySelector('a[href^="magnet:"]'); // magnet link

                    if (retrievedLink) {
                        link.href = retrievedLink.href;
                        link.magnetHref = retrievedLink.href;
                        console.debug("retrievedLink.href", retrievedLink.href);
                        if (openAfterFetching) {
                            window.open(link.href, "_blank");
                        }
                    } else {
                        onerror();
                    }
                };
                xhr.onerror = onerror;
                xhr.send();

                if (openAfterFetching) {
                    window.open(link.href, "_blank");
                }
            } else {
                if (openAfterFetching) {
                    window.open(link.href, "_blank");
                }
                return;
            }
        }

        link.fetchMagnetLink = listener;
        link.addEventListener("mouseover", listener, false);
        link.addEventListener(
            "mousedown",
            function (event) {
                // if left mousebutton
                if (event.button !== 0) return;
                listener(event, true); // trigger the mouseover event
            },
            false
        );
        link.fetchMagnetLink();
    }

    // Cat. | File | Added | Size | S. | L. | comments  |   Uploader
    // this is one row
    /*
     * <tr className="lista2">
     *     <td align="left" className="lista" width="48" style="width:48px;">
     *         <a href="/torrents.php?category=45">
     *             <img src="https://dyncdn.me/static/20/images/categories/cat_new45.gif" border="0" alt="">
     *         </a>
     *     </td>
     *     <td align="left" className="lista">
     *         <a onMouseOver="return overlib('<img src=\'https://dyncdn.me/mimages/5975/over_opt.jpg\' border=0>')"
     *         onMouseOut="return nd();" href="/torrent/ifcvj5g" title="">The.Visitor.2007.720p.BluRay.H264.AAC-RARBG</a>
     *         <a href="/torrents.php?imdb=tt0857191">
     *             <img src="https://dyncdn.me/static/20/images/imdb_thumb.gif" border="0" alt=""></a><br>
     *         <span style="color:DarkSlateGray">Drama IMDB: 7.7/10</span>
     *     </td>
     *     <td align="center" width="150px" className="lista">2018-07-25 16:55:06</td>
     *     <td align="center" width="100px" className="lista">1.25 GB</td>
     *     <td align="center" width="50px" className="lista"><font color="#dd0000">1</font></td>
     *     <td align="center" width="50px" className="lista">5</td>
     *     <td align="center" width="50px" className="lista">--</td>
     *     <td align="center" className="lista">Scene</td>
     * </tr>
     */
})();

// == below are general helper functions, not specific to this script ==

// DuckDuckGo proxy
class DDG {
    static get color() {
        return "#FFA500";
    }

    static test(url) {
        return /^https:\/\/proxy\.duckduckgo\.com/.test(url);
    }

    static proxy(url) {
        return DDG.test(url) || /^(javascript)/i.test(url)
            ? url
            : `https://proxy.duckduckgo.com/iu/?u=${encodeURIComponent(url)}&f=1`;
    }

    static reverse(url) {
        // if (isZscalarUrl(url)) s = getOGZscalarUrl(url); // extra functionality:
        if (!DDG.test(url)) {
            return url;
        }
        return new URL(location.href).searchParams.get("u");
    }
}

function getGoogleImages(query) {
    if (typeof getGoogleImages.cache === "undefined") getGoogleImages.cache = {};

    if (Object.keys(getGoogleImages.cache).includes(query)) {
        console.log("getGoogleImages(): using cache for query:", query);
        return getGoogleImages[query];
    }

    return GM_fetch("https://www.google.com/search?q=" + encodeURIComponent(query) + "&tbm=isch", {
        headers: {
            accept: "text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,image/apng,*/*;q=0.8,application/signed-exchange;v=b3;q=0.9",
            "accept-language": "en-US,en;q=0.9,ar;q=0.8",
        },
        referrer: "https://www.google.com/",
        referrerPolicy: "origin",
        body: null,
        method: "GET",
        mode: "cors",
        credentials: "include",
    })
        .then((response) => response.text())
        .then((text) => {
            let result;
            const doc = new DOMParser().parseFromString(text, "text/html");
            try {
                result = parse_AF_initDataCallback(doc);
                getGoogleImages[query] = result;
            } catch (e) {
                console.warn("parse_AF_initDataCallback failed for query:", query, e);
                result = {};
            }

            return result;
        });
}

// this parses the google images search results
function parse_AF_initDataCallback(doc) {
    var metasMap = {};
    var data = Array.from(doc.querySelectorAll("script[nonce]"))
        .map((s) => s.innerText)
        .filter((t) => /^AF_initDataCallback/.test(t))
        .map((t) => eval(t.replace(/^AF_initDataCallback/, "")).data)
        .filter((d) => d && d.length && d.reduce((acc, el) => acc || (el && el.length)));
    var entry = data.slice(-1)[0];
    if (!entry) return metasMap;
    try {
        var imgMetas = entry[31][0][12][2].map((meta) => meta[1]); // confirmed
    } catch (error) {
        // var imgMetas = entry[56][1][0][0][1][0].map(x => x[0][0]['444383007'][1]);
        try {
            var imgMetas = entry[56][1][0][0][1][0].map((x) => Object.values(x[0][0])[0][1]);
        } catch (error2) {
            var imgMetas = entry[56][1][0].pop()[1][0].map((x) => Object.values(x[0][0])[0][1]);
        }
    }

    var metas = imgMetas
        .map((meta) => {
            try {
                const rg_meta = {
                    id: "", // thumbnail
                    tu: "",
                    th: "",
                    tw: "", // original
                    ou: "",
                    oh: "",
                    ow: "", // site and name
                    pt: "",
                    st: "", // titles
                    ity: "",
                    rh: "IMAGE_HOST",
                    ru: "IMAGE_SOURCE",
                };

                rg_meta.id = meta[1];
                [rg_meta.tu, rg_meta.th, rg_meta.tw] = meta[2];
                [rg_meta.ou, rg_meta.oh, rg_meta.ow] = meta[3];

                try {
                    const siteAndNameInfo = meta[9] || meta[11] || meta[23];
                    if (siteAndNameInfo[2003]) {
                        rg_meta.pt = siteAndNameInfo[2003][3];
                    } else {
                        rg_meta.pt = siteAndNameInfo[2003][2];
                    }

                    try {
                        rg_meta.st = siteAndNameInfo[183836587][0]; // infolink TODO: doublecheck
                    } catch (error) {
                        try {
                            rg_meta.st = siteAndNameInfo[2003][2]; // infolink TODO: doublecheck
                        } catch (error) {}
                    }
                } catch (error) {
                    console.warn(error);
                }

                return rg_meta;
            } catch (e) {
                console.warn(e);
            }
        })
        .filter((meta) => !!meta);

    metasMap = Object.fromEntries(metas.map((meta) => [meta.id, meta])); // same as metas, but is an object with the "id" as the key

    parse_AF_initDataCallback.metasMap = metasMap;
    return metasMap;
}

function getImagesFromUrl(url) {
    // List of possible image extensions
    const imageExtensions = ["jpg", "jpeg", "png", "gif", "webp", "tiff"];

    // Get the extension of the URL
    const urlExtension = url.split(".").pop();

    // Check if the URL is an image URL
    if (imageExtensions.includes(urlExtension)) {
        return Promise.resolve([url]);
    } else {
        // If it's not an image URL, attempt to fetch images from the webpage
        return GM_fetch(url)
            .then((response) => response.text())
            .then((html) => {
                let parser = new DOMParser();
                let doc = parser.parseFromString(html, "text/html");
                let images = Array.from(doc.images).map((img) => img.src);
                return images;
            })
            .catch((err) => {
                console.error("Failed to fetch webpage: ", err);
                return [];
            });
    }
}

function proxifyDescriptionThumbnails() {
    document.querySelectorAll("#description > a > img, a.description-tb > img").forEach((img) => {
        img.src = DDG.proxy(img.src);
    });
}

function replaceAllImageHosts(imgs = null) {
    if (!imgs || !imgs.length) {
        imgs = [];
    }
    const collectedImgs = [];
    // fullres for imgprime.com
    // link:    https://imgprime.com/imga-u/b/2019/04/02/5ca35d660e76e.jpeg.html
    // img:     https://imgprime.com/u/b/2019/04/02/5ca35d660e76e.jpeg
    collectedImgs.concat(
        replaceImageHostImageWithOriginal("https://imgprime.com/", {
            "imga-": "",
            ".html": "",
            "/small/": "/big/",
            "/u/s/": "/u/b/",
            imgs,
        })
    );
    // imagecurl.com
    collectedImgs.concat(replaceImageHostImageWithOriginal("https://imagecurl.com/images/", { _thumb: "", imgs }));
    // imagefruit.com
    collectedImgs.concat(replaceImageHostImageWithOriginal("/tn/t", { "/tn/t": "/tn/i", imgs }));
    // 22pixx.xyz
    collectedImgs.concat(
        replaceImageHostImageWithOriginal("https://22pixx.xyz/", {
            "22pixx.xyz/os/": "22pixx.xyz/o/",
            "22pixx.xyz/s/": "22pixx.xyz/i/",
            "22pixx.xyz/rs/": "22pixx.xyz/r/",
            "22pixx.xyz/as/": "22pixx.xyz/a/",
            imgs,
        })
    );
    // trueimg.xyz
    collectedImgs.concat(
        replaceImageHostImageWithOriginal("https://trueimg.xyz/s/", {
            "trueimg.xyz/s/": "trueimg.xyz/b/",
            imgs,
        })
    );
    // trueimg.xyz
    collectedImgs.concat(
        replaceImageHostImageWithOriginal("https://imgtaxi.com/images/small/", {
            "https://imgtaxi.com/images/small/": "https://imgtaxi.com/images/big/",
            imgs,
        })
    );

    collectedImgs.concat(
        replaceImageHostImageWithOriginal("http://pictureme.xyz/upload/big/", {
            "http://pictureme.xyz/upload/small/": "http://pictureme.xyz/upload/big/",
            imgs,
        })
    );
    collectedImgs.concat(
        replaceImageHostImageWithOriginal("/upload/small/", {
            "/upload/small/": "/upload/big/",
            imgs,
        })
    );
    collectedImgs.concat(
        replaceImageHostImageWithOriginal(".th.jpg", {
            ".th.jpg": ".jpg",
            imgs,
        })
    );
    collectedImgs.concat(
        replaceImageHostImageWithOriginal(".md.jpg", {
            ".md.jpg": ".jpg",
            imgs,
        })
    );
    collectedImgs.concat(
        replaceImageHostImageWithOriginal("http", {
            "imga-": "",
            ".html": "",
            "/small/": "/big/",
            "/u/s/": "/u/b/",
            imgs,
        })
    );

    // remove any image that is from the BLACKLISTED_IMG_URLS
    [].filter
        .call(document.querySelectorAll("img"), (img) => BLACKLISTED_IMG_URLS.has(img.src))
        .forEach((img) => img.remove());

    // proxifyDescriptionThumbnails();
    if (!!imgs && imgs.length) {
        return imgs;
    } else {
        return collectedImgs;
    }
}

function unsafeEval(func, ...arguments) {
    let body = "return (" + func + ").apply(this, arguments)";
    unsafeWindow.Function(body).apply(unsafeWindow, arguments);
}

/**
 *
 * @param {Object} o Object to be reversed.
 * Note: that if there are multiple values in an entry, it will be stored as multiple keys each corresponding to the same key (duplication).
 */
function reverseMapping(o) {
    const r = {};

    for (const [k, v] of Object.entries(o)) {
        var values = [v];
        if (v instanceof Array) {
            values = v;
        }
        for (const val of values) {
            r[val] = k;
        }
    }
    return r;
}

/**
 * same as Object.fromEntries(), but support multiple values in case of key collision.
 * resolution: concat conflicts in an array
 * @param {*} entries
 * @returns
 */
function fromEntriesMultivalue(entries) {
    const o = {};
    entries.forEach(([k, v]) => (o[k] = (o[k] || []).concat(v)));
    return o;
}

/**
 * replaces common thumbnails to originals from hosting sites like imagecurl.com...
 *
 * @param {string} imgCommonUrl - the segment of the URL that's unique to this replacement, example: "https://imagecurl.com/images/"
 * @param {object|Function} replaceMethod - replaceMethod(src)->newSrc a function that passes back the new string or a replacement map
 */

function replaceImageHostImageWithOriginal(imgCommonUrl, replaceMethod, imgs = null) {
    const collectedImgs = [];
    if (!imgs || !imgs.length) {
        imgs = Array.from(document.querySelectorAll('img[src*="' + imgCommonUrl + '"]'));
    } else {
        imgs = imgs.filter((img) => img.src.includes(imgCommonUrl));
    }
    const callback =
        typeof replaceMethod === "function"
            ? replaceMethod
            : (src) => Object.entries(replaceMethod).reduce((acc, [k, v]) => acc.replace(k, v), src); // if object

    if (imgs.length === 0) {
        console.debug("no images found for", imgCommonUrl);
        return imgs;
    }

    for (const img of imgs) {
        if (img) {
            collectedImgs.push(img);
            const fullres = callback(img.src);
            if (debug) console.log("replacing thumbnail:", img.src, "->", fullres, "\n", img);
            img.src = fullres;
            a = img.closest("a");
            if (a) a.href = fullres;
        }
    }
    if (!!imgs && imgs.length) {
        return imgs;
    } else {
        return collectedImgs;
    }
}

function matchSite(siteRegex) {
    let result = location.href.match(siteRegex);
    if (result) console.debug("Site matched regex: " + siteRegex);
    return result;
}

function anchorClick(href, downloadValue, target) {
    downloadValue = downloadValue || "_untitled";
    var a = document.createElement("a");
    a.setAttribute("href", href);
    a.setAttribute("download", downloadValue);
    a.target = target;
    document.body.appendChild(a);
    a.click();
    a.remove();
}

function removeDoubleSpaces(str) {
    return !!str ? str.replace(/(\s\s+)/g, " ") : str;
}

function clearSymbolsFromString(str) {
    function clearDatesFromString(str) {
        return !!str ? removeDoubleSpaces(str.replace(/\d+([.\-])(\d+)([.\-])\d*/g, " ")) : str;
    }

    return (
        str &&
        removeDoubleSpaces(
            clearDatesFromString(str)
                .replace(/[-!$%^&*()_+|~=`{}\[\]";'<>?,.\/]|(\s\s+)/gim, " ")
                .replace(
                    /rarbg|\.com|#|x264|DVDRip|720p|1080p|2160p|MP4|IMAGESET|FuGLi|SD|KLEENEX|BRRip|XviD|MP3|XVID|BluRay|HAAC|WEBRip|DHD|rartv|KTR|YAPG|[^0-9a-zA-z]/gi,
                    " "
                )
        ).trim()
    );
}

function makeTextFile(text) {
    const data = new Blob([text], { type: "text/plain" });
    var textFile = null;
    // If we are replacing a previously generated file we need to manually revoke the object URL to avoid memory leaks.
    if (textFile !== null) window.URL.revokeObjectURL(textFile);
    return window.URL.createObjectURL(data);
}

/** Create an element by HTML.
 example:   var myAnchor = createElement('<a href="https://example.com">Go to example.com</a>');*/
function createElement(html) {
    return $(html)[0];
}

function getElementsByXPath(xpath, parent) {
    let results = [];
    let query = document.evaluate(xpath, parent || document, null, XPathResult.ORDERED_NODE_SNAPSHOT_TYPE, null);

    for (let i = 0, length = query.snapshotLength; i < length; ++i) {
        results.push(query.snapshotItem(i));
    }
    return results;
}

function addCss(cssStr, id = "") {
    // check if already exists
    const style = (id && document.getElementById(id)) || document.createElement("style");

    if (style.styleSheet) {
        style.styleSheet.cssText = cssStr;
    } else {
        style.innerText = cssStr;
    }
    if (!!id) {
        style.id = id;
    }
    style.classList.add("addCss");
    return document.getElementsByTagName("head")[0].appendChild(style);
}

function sanitizeHTML(html) {
    return new DOMParser().parseFromString(html, "text/html");
}

function fetchDoc(url) {
    return fetch(url, {
        credentials: "include",
        headers: {
            accept: "text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,image/apng,*/*;q=0.8,application/signed-exchange;v=b3",
            "accept-language": "en-US,en;q=0.9",
            "cache-control": "no-cache",
            pragma: "no-cache",
            "sec-fetch-mode": "navigate",
            "sec-fetch-site": "same-origin",
            "sec-fetch-user": "?1",
            "upgrade-insecure-requests": "1",
        },
        referrerPolicy: "no-referrer-when-downgrade",
        body: null,
        method: "GET",
        mode: "cors",
    })
        .then((res) => res.text())
        .then((html) => {
            const doc = new DOMParser().parseFromString(html, "text/html");
            return doc;
        });
}

function relativeToAbsoluteURL(url, base = null) {
    if (!base) base = document.baseURI;
    if ("string" !== typeof url || url == null) {
        return null; // wrong or empty url
    } else if (url.match(/^[a-z]+\:\/\//i)) {
        return url; // url is absolute already
    } else if (url.match(/^\/\//)) {
        return "http:" + url; // url is absolute already
    } else if (url.match(/^[a-z]+\:/i)) {
        return url; // data URI, mailto:, tel:, etc.
    } else if ("string" !== typeof base) {
        var a = document.createElement("a");
        a.href = url; // try to resolve url without base
        if (!a.pathname) {
            return null; // url not valid
        }
        return "http://" + url;
    } else {
        base = relativeToAbsoluteURL(base); // check base
        if (base === null) {
            return null; // wrong base
        }
    }
    var a = document.createElement("a");
    a.href = base;

    if (url[0] === "/") {
        base = []; // rooted path
    } else {
        base = a.pathname.split("/"); // relative path
        base.pop();
    }
    url = url.split("/");
    for (var i = 0; i < url.length; ++i) {
        if (url[i] === ".") {
            // current directory
            continue;
        }
        if (url[i] === "..") {
            // parent directory
            if ("undefined" === typeof base.pop() || base.length === 0) {
                return null; // wrong url accessing non-existing parent directories
            }
        } else {
            // child directory
            base.push(url[i]);
        }
    }
    return a.protocol + "//" + a.hostname + base.join("/");
}

function fetchB64ImgUrl(url, opts) {
    return new Promise((resolve, reject) => {
        GM_xmlhttpRequest({
            method: "GET",
            url: url || "http://static.jsbin.com/images/dave.min.svg?4.1.4",
            onload: function (resp) {
                // resolve(resp);

                var binResp = customBase64Encode(resp.responseText);
                resolve("data:image/png;base64," + binResp);
            },
            overrideMimeType: "text/plain; charset=x-user-defined",
        });
    });

    function customBase64Encode(inputStr) {
        var bbLen = 3,
            enCharLen = 4,
            inpLen = inputStr.length,
            inx = 0,
            jnx,
            keyStr = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz" + "0123456789+/=",
            output = "",
            paddingBytes = 0;
        var bytebuffer = new Array(bbLen),
            encodedCharIndexes = new Array(enCharLen);

        while (inx < inpLen) {
            for (jnx = 0; jnx < bbLen; ++jnx) {
                /*--- Throw away high-order byte, as documented at:
                  https://developer.mozilla.org/En/Using_XMLHttpRequest#Handling_binary_data
                */
                if (inx < inpLen) {
                    bytebuffer[jnx] = inputStr.charCodeAt(inx++) & 0xff;
                } else {
                    bytebuffer[jnx] = 0;
                }
            }

            /*--- Get each encoded character, 6 bits at a time.
                index 0: first  6 bits
                index 1: second 6 bits
                            (2 least significant bits from inputStr byte 1
                             + 4 most significant bits from byte 2)
                index 2: third  6 bits
                            (4 least significant bits from inputStr byte 2
                             + 2 most significant bits from byte 3)
                index 3: forth  6 bits (6 least significant bits from inputStr byte 3)
            */
            encodedCharIndexes[0] = bytebuffer[0] >> 2;
            encodedCharIndexes[1] = ((bytebuffer[0] & 0x3) << 4) | (bytebuffer[1] >> 4);
            encodedCharIndexes[2] = ((bytebuffer[1] & 0x0f) << 2) | (bytebuffer[2] >> 6);
            encodedCharIndexes[3] = bytebuffer[2] & 0x3f;

            //--- Determine whether padding happened, and adjust accordingly.
            paddingBytes = inx - (inpLen - 1);
            switch (paddingBytes) {
                case 1:
                    // Set last character to padding char
                    encodedCharIndexes[3] = 64;
                    break;
                case 2:
                    // Set last 2 characters to padding char
                    encodedCharIndexes[3] = 64;
                    encodedCharIndexes[2] = 64;
                    break;
                default:
                    break; // No padding - proceed
            }

            /*--- Now grab each appropriate character out of our keystring,
                based on our index array and append it to the output string.
            */
            for (jnx = 0; jnx < enCharLen; ++jnx) output += keyStr.charAt(encodedCharIndexes[jnx]);
        }
        return output;
    }
}
function isInViewport(element) {
    var rect = element.getBoundingClientRect();
    var windowHeight = window.innerHeight || document.documentElement.clientHeight;
    var windowWidth = window.innerWidth || document.documentElement.clientWidth;

    return rect.top >= 0 && rect.left >= 0 && rect.bottom <= windowHeight && rect.right <= windowWidth;
}