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Custom CDN URL

自定义cdn，国内/国外可以换成合适的cdn

当前为 2023-08-26 提交的版本，查看 最新版本。

  1. // ==UserScript==
  2. // @name         Custom CDN URL 
  3. // @namespace    https://greasyfork.org/en/scripts/473962-custom-cdn-url
  4. // @version      1.5.1
  5. // @description  自定义cdn，国内/国外可以换成合适的cdn
  6. // @author       freenzoo
  7. // @match        https://*.bilibili.com/*
  8. // @run-at       document-body
  9. // @grant        unsafeWindow
  10. // @grant        GM_addStyle
  11. // @license MIT
  12. // ==/UserScript==
  13. if ( location.href.startsWith('https://www.bilibili.com/video/') || location.href.startsWith('https://www.bilibili.com/bangumi/play/') ) {
  14.     const cdnDomains = [
  15.         "upos-sz-mirrorhw.bilivideo.com",
  16.         "upos-sz-mirrorcos.bilivideo.com",
  17.         "upos-sz-mirrorali.bilivideo.com",
  18.         "upos-sz-mirroralib.bilivideo.com"
  19.     ];
  20.  
  21.     function getRandomCdnDomain() {
  22.         const randomIndex = Math.floor(Math.random() * cdnDomains.length);
  23.         return cdnDomains[randomIndex];
  24.     }
  25.     function replaceP2PUrl(url) {
  26.         try {
  27.             const urlObj = new URL(url);
  28.             const hostName = urlObj.hostname;
  29.             if (urlObj.hostname.endsWith(".bilivideo.com") || urlObj.hostname.endsWith(".akamaized.net") || urlObj.hostname.endsWith(".szbdyd.com")) {
  30.                 urlObj.host = getRandomCdnDomain();
  31.                 urlObj.port = 443;
  32.                 // console.warn(`更换视频源: ${hostName} -> ${urlObj.host}`);
  33.                 return urlObj.toString();
  34.             }
  35.             return url;
  36.         } catch(e) {
  37.             return url;
  38.         }
  39.     }
  40.  
  41.     function replaceP2PUrlDeep(obj) {
  42.         for (const key in obj) {
  43.             if ( key === 'baseUrl' ) {
  44.                 obj[key] = replaceP2PUrl(obj[key]);
  45.             } else if (typeof obj[key] === 'array' || typeof obj[key] === 'object') {
  46.                 replaceP2PUrlDeep(obj[key]);
  47.             }
  48.         }
  49.     }
  50.     replaceP2PUrlDeep(unsafeWindow.__playinfo__);
  51.  
  52.     (function (open) {
  53.         unsafeWindow.XMLHttpRequest.prototype.open = function () {
  54.             try {
  55.                 arguments[1] = replaceP2PUrl(arguments[1]);
  56.             } finally {
  57.                 return open.apply(this, arguments);
  58.             }
  59.         }
  60.     })(unsafeWindow.XMLHttpRequest.prototype.open);
  61. }