[DEAD] Redirect Google Search Requests to DuckDuckGo (Incognito only)

(This script is not working anymore, the incognito-check in chrome was patched by google) Redirect Google to DuckDuckGo..., but only if you are using incognito

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 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.

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

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         [DEAD] Redirect Google Search Requests to DuckDuckGo (Incognito only)
// @namespace    http://tampermonkey.net/
// @version      1.2
// @description  (This script is not working anymore, the incognito-check in chrome was patched by google) Redirect Google to DuckDuckGo..., but only if you are using incognito
// @author       TheBone_
// @match      https://*.google.com/search?*
// @grant        none
// ==/UserScript==

(function() {
    'use strict';
  isPrivateMode().then(function (isPrivate) {
      if(isPrivate){
          var string = window.location.href;
          string = string.replace("google.com/search", "duckduckgo.com/");
          window.location.href=string;
      }
});

    // uncomment if you are transpiling with Babel + Webpack
// const { window, document } = global;

/**
 * Lightweight script to detect whether the browser is running in Private mode.
 * @returns {Promise}
 *
 * Live demo:
 * @see http://live.datatables.net/piduzelo/1
 *
 * This snippet uses ES2015 syntax. If you want to run it in old browsers, transpile it with Babel:
 * @see https://babeljs.io/repl
 *
 * This snippet uses Promises. If you want to run it in old browsers, polyfill it:
 * @see https://cdn.jsdelivr.net/npm/es6-promise@4/dist/es6-promise.auto.min.js
 *
 * More Promise Polyfills:
 * @see https://ourcodeworld.com/articles/read/316/top-5-best-javascript-promises-polyfills
 */
function isPrivateMode() {
  return new Promise((resolve) => {
    const yes = () => resolve(true); // is in private mode
    const not = () => resolve(false); // not in private mode
    const testLocalStorage = () => {
      try {
        if (localStorage.length) not();
        else {
          localStorage.x = 1;
          localStorage.removeItem('x');
          not();
        }
      } catch (e) {
        // Safari only enables cookie in private mode
        // if cookie is disabled, then all client side storage is disabled
        // if all client side storage is disabled, then there is no point
        // in using private mode
        navigator.cookieEnabled ? yes() : not();
      }
    };
    // Chrome & Opera
    var fs = window.webkitRequestFileSystem || window.RequestFileSystem;
    if (fs) {
      return void fs(window.TEMPORARY, 100, not, yes);
    }
    // Firefox
    if ('MozAppearance' in document.documentElement.style) {
      if (indexedDB === null) return yes();
      const db = indexedDB.open('test');
      db.onerror = yes;
      db.onsuccess = not;
      return void 0;
    }
    // Safari
    const isSafari = navigator.userAgent.match(/Version\/([0-9\._]+).*Safari/);
    if (isSafari) {
      const version = parseInt(isSafari[1], 10);
      if (version < 11) return testLocalStorage();
      try {
        window.openDatabase(null, null, null, null);
        return not();
      } catch (_) {
        return yes();
      }
    }
    // IE10+ & Edge InPrivate
    if (!window.indexedDB && (window.PointerEvent || window.MSPointerEvent)) {
      return yes();
    }
    // default navigation mode
    return not();
  });
}
})();