IPSv4 Cloudflare infinite loop fix

cf-captcha-load-fix-ipboard4.user.js

// ==UserScript==
// @name         IPSv4 Cloudflare infinite loop fix
// @namespace    http://tampermonkey.net/
// @version      1.0
// @description  Fixes Cloudflare's infinite captcha loading loop on IPS Board v4 forums by patching service worker registration
// @match        https://metin2.dev/*
// @grant        none
// @run-at       document-start
// ==/UserScript==

(function() {
    'use strict';

    // Override the navigator.serviceWorker.register function
    const originalRegister = navigator.serviceWorker.register;
    navigator.serviceWorker.register = async function(...args) {
        const url = args[0];

        try {
            const response = await fetch(url);
            let text = await response.text();

            text = text.replace(/.then\(\(response\) => response.json\(\)\)/g, '');

            const blob = new Blob([text], { type: 'application/javascript' });
            const modifiedUrl = URL.createObjectURL(blob);

            args[0] = modifiedUrl;
            return originalRegister.apply(this, args);
        } catch (error) {
            console.error('Error modifying service worker:', error);
            return originalRegister.apply(this, args);
        }
    };

    // Unregister existing service worker on page load
    window.addEventListener('load', function() {
        navigator.serviceWorker.getRegistrations().then(function(registrations) {
            for(let registration of registrations) {
                registration.unregister();
            }
        });
    });
})();