☰

Duanmao HTTPS

使断锚网页版支持 HTTPS

  1. // ==UserScript==
  2. // @name         Duanmao HTTPS
  3. // @namespace    CCCC_David
  4. // @version      0.4.0
  5. // @description  使断锚网页版支持 HTTPS
  6. // @author       CCCC_David
  7. // @match        https://duanmao.top/*
  8. // @run-at       document-start
  9. // @grant        none
  10. // @require      https://unpkg.com/ajax-hook/dist/ajaxhook.min.js
  11. // ==/UserScript==
  12.  
  13. (() => {
  14.     'use strict';
  15.  
  16.     const fixURL = (url) => url === undefined ? undefined : url.replace(/^https?:\/\/cdn1\.duanmao\.top\//i, 'https://duanmao.top/')
  17.                                                                .replace(/^http:\/\//i, 'https://');
  18.     ah.proxy({
  19.         onRequest: (config, handler) => {
  20.             config.url = fixURL(config.url);
  21.             handler.next(config);
  22.         },
  23.         onError: (err, handler) => {
  24.             handler.next(err);
  25.         },
  26.         onResponse: (response, handler) => {
  27.             handler.next(response);
  28.         },
  29.     });
  30.  
  31.     const pathname = window.location.pathname;
  32.     const isForumPage = pathname === '/forum';
  33.  
  34.     const addMetaTags = () => {
  35.         const metaReferrer = document.createElement('meta');
  36.         metaReferrer.name = 'referrer';
  37.         metaReferrer.content = 'same-origin';
  38.         document.head.appendChild(metaReferrer);
  39.         const metaCSP = document.createElement('meta');
  40.         metaCSP.httpEquiv = 'Content-Security-Policy';
  41.         metaCSP.content = "base-uri 'self'; script-src 'self'; object-src 'none'; upgrade-insecure-requests";
  42.         document.head.appendChild(metaCSP);
  43.     };
  44.  
  45.     const updateElementURL = (el) => {
  46.         const tagName = el.nodeName.toLowerCase();
  47.         // There are many HTML tag attributes which can include URLs
  48.         // (see https://stackoverflow.com/questions/2725156/complete-list-of-html-tag-attributes-which-have-a-url-value),
  49.         // but here we just deal with the most common two cases:
  50.         // - <a href="..."></a>
  51.         // - <img src="..." />
  52.         if (tagName === 'a') {
  53.             el.href = fixURL(el.href);
  54.         } else if (tagName === 'img') {
  55.             el.src = fixURL(el.src);
  56.         }
  57.     };
  58.  
  59.     const settingsHasHTTPS = () => {
  60.         try {
  61.             return JSON.parse(window.localStorage.getItem('cdn')).data === 0;
  62.         } catch {
  63.             return false;
  64.         }
  65.     };
  66.  
  67.     const observer = new MutationObserver((mutationsList) => {
  68.         for (const mutation of mutationsList) {
  69.             if (mutation.type === 'childList') {
  70.                 for (const el of mutation.addedNodes) {
  71.                     if (el.nodeName.toLowerCase() === 'head') {
  72.                         addMetaTags();
  73.                     }
  74.                     updateElementURL(el);
  75.                 }
  76.             }
  77.         }
  78.     });
  79.  
  80.     observer.observe(document.documentElement, {
  81.         subtree: true,
  82.         childList: true,
  83.     });
  84.  
  85.     if (document.head) {
  86.         addMetaTags();
  87.     }
  88.  
  89.     for (const tagName of ['a', 'img']) {
  90.         for (const el of document.getElementsByTagName(tagName)) {
  91.             updateElementURL(el);
  92.         }
  93.     }
  94.  
  95.     if (isForumPage) {
  96.         window.addEventListener('DOMContentLoaded', () => {
  97.             // If the inline script was blocked, we execute it again.
  98.             if (!document.querySelector('meta[name="viewport"]')) {
  99.                 window.coverSupport = 'CSS' in window && typeof CSS.supports === 'function' && (CSS.supports('top: env(a)') || CSS.supports('top: constant(a)'));
  100.                 const metaViewport = document.createElement('meta');
  101.                 metaViewport.name = 'viewport';
  102.                 metaViewport.content = 'width=device-width, user-scalable=no, initial-scale=1.0, maximum-scale=1.0, minimum-scale=1.0' + (window.coverSupport ? ', viewport-fit=cover' : '');
  103.                 document.head.appendChild(metaViewport);
  104.             }
  105.  
  106.             if (!settingsHasHTTPS()) {
  107.                 // If the "/renew" request happened before our Ajax hook, it might be blocked due to Mixed Content error.
  108.                 // Here we send it again.
  109.                 try {
  110.                     for (const func of getApp().$options.onLaunch) {
  111.                         if (func.toString().includes('renew') && func.length === 0) {
  112.                             func();
  113.                         }
  114.                     }
  115.                 } catch (e) {
  116.                     console.error(e);
  117.                 }
  118.             }
  119.         });
  120.     }
  121.  
  122.     if (pathname === '/fourm') { // cSpell:disable-line
  123.         window.location.replace('/forum');
  124.     }
  125.  
  126.     console.log('Duanmao HTTPS script is loaded');
  127. })();