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Platform Spoofer

Modify platform Only.

目前为 2025-03-18 提交的版本，查看 最新版本。

  1. // ==UserScript==
  2. // @name         Platform Spoofer
  3. // @namespace    https://viayoo.com/
  4. // @version      0.4
  5. // @description  Modify platform Only.
  6. // @author       Via
  7. // @match        *://*/*
  8. // @exclude      *://rebang.today/*
  9. // @exclude      *://*.github.com/*
  10. // @exclude      *://scriptcat.org/*
  11. // @exclude      *://greasyfork.org/*
  12. // @exclude      *://github.com/*
  13. // @exclude      *://*.google.*/*
  14. // @exclude      *://x.com/*
  15. // @exclude      *://twitter.com/*
  16. // @exclude      *://*.bing.*/*
  17. // @exclude      *://*.baidu.*/*
  18. // @exclude      *://*.yandex.*/*
  19. // @exclude      *://*.iqiyi.com/*
  20. // @exclude      *://*.qq.com/*
  21. // @exclude      *://*.v.qq.com/*
  22. // @exclude      *://*.sohu.com/*
  23. // @exclude      *://*.mgtv.com/*
  24. // @exclude      *://*.ifeng.com/*
  25. // @exclude      *://*.pptv.com/*
  26. // @exclude      *://*.sina.com.cn/*
  27. // @license      MIT
  28. // @grant        none
  29. // @run-at       document-start
  30. // ==/UserScript==
  31.  
  32. (function() {
  33.     'use strict';
  34.  
  35.     const FAKE_PLATFORM = 'Mac';
  36.     const platformGetter = () => FAKE_PLATFORM;
  37.     if (navigator.platform === FAKE_PLATFORM) return;
  38.     const descriptor = Object.getOwnPropertyDescriptor(navigator, 'platform');
  39.     if (descriptor?.configurable) {
  40.         Object.defineProperty(navigator, 'platform', {
  41.             get: platformGetter,
  42.             configurable: true,
  43.             enumerable: true
  44.         });
  45.         if (navigator.platform === FAKE_PLATFORM) return;
  46.     } else if (navigator.__defineGetter__) {
  47.         navigator.__defineGetter__('platform', platformGetter);
  48.         if (navigator.platform === FAKE_PLATFORM) return;
  49.     }
  50.  
  51.     const spoofNavigator = new Proxy(navigator, {
  52.         get(target, prop) {
  53.             return prop === 'platform' ? FAKE_PLATFORM : Reflect.get(target, prop);
  54.         }
  55.     });
  56.  
  57.     try {
  58.         Object.defineProperty(window, 'navigator', {
  59.             value: spoofNavigator,
  60.             writable: false,
  61.             configurable: true
  62.         });
  63.     } catch (e) {
  64.         console.warn('Navigator redefinition failed:', e);
  65.         window.navigator = spoofNavigator;
  66.     }
  67.  
  68.     const protoDescriptor = Object.getOwnPropertyDescriptor(Navigator.prototype, 'platform');
  69.     if (protoDescriptor?.configurable) {
  70.         Object.defineProperty(Navigator.prototype, 'platform', {
  71.             get: platformGetter,
  72.             configurable: true,
  73.             enumerable: true
  74.         });
  75.     }
  76.     const originalIndexOf = String.prototype.indexOf;
  77.     const blockedTerms = new Set(['Win', 'Linux', 'X11']);
  78.     String.prototype.indexOf = function(searchString) {
  79.         if (this === FAKE_PLATFORM) {
  80.             if (blockedTerms.has(searchString)) return -1;
  81.             if (searchString === 'Mac') return 0;
  82.         }
  83.         return originalIndexOf.call(this, searchString);
  84.     };
  85.  
  86.     // 仅在必要时添加DOMContentLoaded监听
  87.     if (document.readyState === 'loading' && navigator.platform !== FAKE_PLATFORM) {
  88.         document.addEventListener('DOMContentLoaded', () => {
  89.             if (navigator.platform !== FAKE_PLATFORM) {
  90.                 Object.defineProperty(window, 'navigator', {
  91.                     value: new Proxy(navigator, {
  92.                         get: (target, prop) => prop === 'platform' ? FAKE_PLATFORM : target[prop]
  93.                     }),
  94.                     writable: false
  95.                 });
  96.             }
  97.         }, {
  98.             once: true
  99.         });
  100.     }
  101. })();