SimpCity Re-re-direct

Bypass the new external link warning on SimpCity

You will need to install an extension such as Tampermonkey, Greasemonkey or Violentmonkey to install this script.

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

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

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

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

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

(У мене вже є менеджер скриптів, дайте мені встановити його!)

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.

(I already have a user style manager, let me install it!)

// ==UserScript==
// @name        SimpCity Re-re-direct
// @namespace   https://github.com/chuckmingus
// @version     1.2.0
// @description Bypass the new external link warning on SimpCity
// @author      chuckmingus
// @icon        https://cdn.jsdelivr.net/gh/homarr-labs/dashboard-icons/png/cobalt.png
// @license     MIT
// @match       https://simpcity.cr/*
// @match       https://*.simpcity.cr/*
// @grant       none
// @run-at      document-start
// ==/UserScript==

(function () {
  "use strict";

  function isValidUrl(str) {
    try {
      const parsed = new URL(str);
      return parsed.protocol === "http:" || parsed.protocol === "https:";
    } catch {
      return false;
    }
  }

  function decodeTarget(str) {
    try {
      let normalized = str.replace(/-/g, "+").replace(/_/g, "/");
      while (normalized.length % 4 !== 0) {
        normalized += "=";
      }
      const binary = atob(normalized);
      const bytes = Uint8Array.from(binary, (c) => c.charCodeAt(0));
      return new TextDecoder().decode(bytes);
    } catch (e) {
      console.error("[SimpCity Re-re-direct] Failed to decode base64:", str, e);
      return null;
    }
  }

  function extractTargetFromUrl(href) {
    try {
      const url = new URL(href, window.location.origin);
      let targetUrl = url.searchParams.get("to");
      const mode = url.searchParams.get("m");

      if (targetUrl && mode === "b64") {
        targetUrl = decodeTarget(targetUrl);
      }

      if (targetUrl && isValidUrl(targetUrl)) {
        return targetUrl;
      }
    } catch (e) {
      // Silently fail for invalid URLs
    }
    return null;
  }

  // fallback for when we are already on a redirect page
  if (window.location.pathname.includes("/redirect/")) {
    const immediateTarget = extractTargetFromUrl(window.location.href);
    if (immediateTarget) {
      window.location.replace(immediateTarget);
      return;
    }

    // wait for DOM if parameters weren't available in search string
    document.addEventListener("DOMContentLoaded", () => {
      const link = document.querySelector(".simpLinkProxy-targetLink");
      if (link && link.href && isValidUrl(link.href)) {
        window.location.replace(link.href);
      }
    });
  }

  function processSingleLink(link) {
    link.dataset.bypassed = "true";
    const targetUrl = extractTargetFromUrl(link.href);

    if (targetUrl) {
      link.href = targetUrl;
      link.rel = "noopener noreferrer";
      link.removeAttribute("data-proxy-handler");
      link.removeAttribute("data-blank-handler");
      link.removeAttribute("data-proxy-href");
    }
  }

  function processLinks() {
    const links = document.querySelectorAll(
      'a[href*="/redirect/?to="]:not([data-bypassed])'
    );
    links.forEach(processSingleLink);
  }

  // intercept click events as a fallback
  document.addEventListener(
    "click",
    (e) => {
      const link = e.target.closest('a[href*="/redirect/?to="]');
      if (link && !link.dataset.bypassed) {
        processSingleLink(link);
      }
    },
    true
  );

  let isScheduled = false;
  function scheduleProcessLinks() {
    if (isScheduled) return;
    isScheduled = true;
    requestAnimationFrame(() => {
      processLinks();
      isScheduled = false;
    });
  }

  const observer = new MutationObserver((mutations) => {
    const hasAddedNodes = mutations.some((m) => m.addedNodes.length > 0);
    if (hasAddedNodes) {
      scheduleProcessLinks();
    }
  });

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

  if (document.readyState === "loading") {
    document.addEventListener("DOMContentLoaded", processLinks);
  } else {
    processLinks();
  }
})();