☰

Platform Spoofer

Modify platform Only.

  1. // ==UserScript==
  2. // @name         Platform Spoofer
  3. // @namespace    https://viayoo.com/
  4. // @version      0.6.1
  5. // @description  Modify platform Only.
  6. // @author       Via
  7. // @match        *://*/*
  8. // @exclude      *://*.baidu.*/*
  9. // @exclude      *://*.bing.*/*
  10. // @exclude      *://*.github.com/*
  11. // @exclude      *://*.google.*/*
  12. // @exclude      *://*.ifeng.com/*
  13. // @exclude      *://*.iqiyi.com/*
  14. // @exclude      *://*.mgtv.com/*
  15. // @exclude      *://*.pptv.com/*
  16. // @exclude      *://*.qq.com/*
  17. // @exclude      *://*.sina.com.cn/*
  18. // @exclude      *://*.sohu.com/*
  19. // @exclude      *://*.v.qq.com/*
  20. // @exclude      *://*.yandex.*/*
  21. // @exclude      *://github.com/*
  22. // @exclude      *://greasyfork.org/*
  23. // @exclude      *://rebang.today/*
  24. // @exclude      *://scriptcat.org/*
  25. // @exclude      *://twitter.com/*
  26. // @exclude      *://x.com/*
  27. // @license      MIT
  28. // @grant        none
  29. // @run-at       document-start
  30. // ==/UserScript==
  31.  
  32. (function() {
  33.     'use strict';
  34.     const FAKE_PLATFORM = 'Mac';
  35.     const spoofNavigator = new Proxy(navigator, {
  36.         get(target, prop) {
  37.             return prop === 'platform' ? FAKE_PLATFORM : Reflect.get(target, prop);
  38.         },
  39.         getOwnPropertyDescriptor(target, prop) {
  40.             if (prop === 'platform') {
  41.                 return {
  42.                     value: FAKE_PLATFORM,
  43.                     writable: false,
  44.                     configurable: true,
  45.                     enumerable: true
  46.                 };
  47.             }
  48.             return Object.getOwnPropertyDescriptor(target, prop);
  49.         }
  50.     });
  51.     try {
  52.         const descriptor = Object.getOwnPropertyDescriptor(navigator, 'platform');
  53.         if (descriptor?.configurable) {
  54.             Object.defineProperty(navigator, 'platform', {
  55.                 get: () => FAKE_PLATFORM,
  56.                 configurable: true,
  57.                 enumerable: true
  58.             });
  59.         } else if (navigator.__defineGetter__) {
  60.             navigator.__defineGetter__('platform', () => FAKE_PLATFORM);
  61.         }
  62.         Object.defineProperty(window, 'navigator', {
  63.             value: spoofNavigator,
  64.             writable: false,
  65.             configurable: true
  66.         });
  67.         const protoDescriptor = Object.getOwnPropertyDescriptor(Navigator.prototype, 'platform');
  68.         if (protoDescriptor?.configurable) {
  69.             Object.defineProperty(Navigator.prototype, 'platform', {
  70.                 get: () => FAKE_PLATFORM,
  71.                 configurable: true,
  72.                 enumerable: true
  73.             });
  74.         }
  75.         const originalIndexOf = String.prototype.indexOf;
  76.         String.prototype.indexOf = function(searchString) {
  77.             if (this === FAKE_PLATFORM) {
  78.                 if (searchString === 'Win' || searchString === 'Linux' || searchString === 'X11') return -1;
  79.                 if (searchString === 'Mac') return 0;
  80.             }
  81.             return originalIndexOf.call(this, searchString);
  82.         };
  83.  
  84.     } catch (e) {
  85.         console.warn('Platform spoofing fallback:', e);
  86.         window.navigator = spoofNavigator;
  87.     }
  88.     Object.freeze(window.navigator);
  89.     if (document.readyState === 'loading') {
  90.         document.addEventListener('DOMContentLoaded', () => {
  91.             if (navigator.platform !== FAKE_PLATFORM) {
  92.                 Object.defineProperty(window, 'navigator', {
  93.                     value: spoofNavigator,
  94.                     writable: false,
  95.                     configurable: true
  96.                 });
  97.                 Object.freeze(window.navigator);
  98.             }
  99.         }, {
  100.             once: true
  101.         });
  102.     }
  103. })();