SimpCity Redirect Bypass

Decode base64 redirect links and go directly to target

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// ==UserScript==
// @name         SimpCity Redirect Bypass
// @namespace    sleazyfork.org
// @version      1.0
// @description  Decode base64 redirect links and go directly to target
// @match        *://simpcity.cr/*
// @grant        none
// @license MIT
// ==/UserScript==

(function () {
    'use strict';

    function decodeBase64Url(b64) {
        try {
            return atob(b64);
        } catch (e) {
            return null;
        }
    }

    function processLinks(root = document) {
        const links = root.querySelectorAll('a[href*="/redirect/?to="]');

        links.forEach(link => {
            try {
                const url = new URL(link.href);
                const encoded = url.searchParams.get('to');

                if (!encoded) return;

                const decoded = decodeBase64Url(encoded);
                if (!decoded || !decoded.startsWith('http')) return;

                // Replace the link target
                link.href = decoded;

                // Optional: remove tracking junk
                link.removeAttribute('rel');
                link.removeAttribute('target');

            } catch (e) {
                // ignore malformed URLs
            }
        });
    }

    // Initial run
    processLinks();

    // Watch for dynamically added content (AJAX, infinite scroll, etc.)
    const observer = new MutationObserver(mutations => {
        for (const m of mutations) {
            for (const node of m.addedNodes) {
                if (node.nodeType === 1) {
                    processLinks(node);
                }
            }
        }
    });

    observer.observe(document.body, {
        childList: true,
        subtree: true
    });

})();