Undetectorized – Limited RAF

Keeps sites blind to tab switches and window blur. Fully blocks all focus and visibility checks, now with requestAnimationFrame capped below 10fps.

Verze ze dne 21. 11. 2025. Zobrazit nejnovější verzi.

K instalaci tototo skriptu si budete muset nainstalovat rozšíření jako Tampermonkey, Greasemonkey nebo Violentmonkey.

K instalaci tohoto skriptu si budete muset nainstalovat rozšíření jako Tampermonkey nebo Violentmonkey.

K instalaci tohoto skriptu si budete muset nainstalovat rozšíření jako Tampermonkey nebo Violentmonkey.

K instalaci tohoto skriptu si budete muset nainstalovat rozšíření jako Tampermonkey nebo Userscripts.

You will need to install an extension such as Tampermonkey to install this script.

K instalaci tohoto skriptu si budete muset nainstalovat manažer uživatelských skriptů.

(Už mám manažer uživatelských skriptů, nechte mě ho nainstalovat!)

You will need to install an extension such as Stylus to install this style.

You will need to install an extension such as Stylus to install this style.

You will need to install an extension such as Stylus to install this style.

You will need to install a user style manager extension to install this style.

You will need to install a user style manager extension to install this style.

You will need to install a user style manager extension to install this style.

(Už mám manažer uživatelských stylů, nechte mě ho nainstalovat!)

// ==UserScript==
// @name          Undetectorized – Limited RAF
// @namespace     bypass.focus.fixed
// @version       5.5
// @author        Gaze
// @icon          https://i.imgur.com/l8qT82q.jpeg
// @description   Keeps sites blind to tab switches and window blur. Fully blocks all focus and visibility checks, now with requestAnimationFrame capped below 10fps.
// @include       *
// @run-at        document-start
// ==/UserScript==

(function() {
    const uw = unsafeWindow;

    // --- Patch document & window focus/visibility ---
    const patch = () => {
        try {
            uw.document.hasFocus = () => true;
            uw.hasFocus = () => true;
            Object.defineProperty(document, "visibilityState", { get: () => "visible" });
            ["hidden","mozHidden","msHidden","webkitHidden"].forEach(p =>
                Object.defineProperty(document, p, { value: false })
            );
            window.onblur = null;
            window.onfocus = null;
            document.onblur = null;
            document.onfocus = null;
            window.focus = () => true;
            document.focus = () => true;
            window.onbeforeunload = null;
            document.onbeforeunload = null;
            Object.defineProperty(window, "onbeforeunload", { set: () => true, get: () => null });
        } catch(e){}
    };

    // --- Block all focus/blur/visibility events ---
    const blockEvents = () => {
        try {
            const evs = [
                "visibilitychange","webkitvisibilitychange","mozvisibilitychange","msvisibilitychange",
                "blur","focus","focusin","focusout",
                "mouseleave","mouseout","mouseenter","mouseover",
                "pageshow","pagehide","resume","freeze"
            ];
            const handler = e => {
                e.stopImmediatePropagation();
                e.stopPropagation();
                e.preventDefault();
            };
            evs.forEach(ev => {
                window.addEventListener(ev, handler, true);
                document.addEventListener(ev, handler, true);
            });
        } catch(e){}
    };

    // --- Hook addEventListener to ignore critical events ---
    const hookAddEvent = () => {
        try {
            const blocked = [
                "visibilitychange","webkitvisibilitychange","mozvisibilitychange","msvisibilitychange",
                "blur","focus","focusin","focusout",
                "mouseleave","mouseout","mouseenter","mouseover",
                "beforeunload",
                "pageshow","pagehide","resume","freeze"
            ];
            const orig = EventTarget.prototype.addEventListener;
            EventTarget.prototype.addEventListener = function(type, listener, opts) {
                if (blocked.includes(type)) return;
                return orig.call(this, type, listener, opts);
            };
        } catch(e){}
    };

    // --- Patch timing & limit requestAnimationFrame ---
    const patchTiming = () => {
        try {
            const base = performance.now();
            performance.now = () => base + Math.random() * 0.01;

            const oRAF = uw.requestAnimationFrame;
            let lastCall = 0;
            const minInterval = 111; // ~9 FPS

            uw.requestAnimationFrame = cb => {
                const now = performance.now();
                const delay = Math.max(0, minInterval - (now - lastCall));
                lastCall = now + delay;
                return setTimeout(() => cb(performance.now()), delay);
            };

            const oTO = uw.setTimeout;
            uw.setTimeout = (fn, t) => oTO(fn, 0);
        } catch(e){}
    };

    // --- Initial patching ---
    patch();
    blockEvents();
    hookAddEvent();
    patchTiming();

    // --- Keep patches alive ---
    setInterval(() => {
        patch();
        hookAddEvent();
        patchTiming();
    }, 100);

})();