☰

网页限制解除器

深度解除网页复制内容限制 智能恢复右键菜单/文本选择/剪贴板操作/拖拽功能

目前为 2025-04-06 提交的版本。查看 最新版本。

  1. // ==UserScript==
  2. // @name         网页限制解除器
  3. // @description  深度解除网页复制内容限制 智能恢复右键菜单/文本选择/剪贴板操作/拖拽功能
  4. // @version      1.0.1
  5. // @author       念柚
  6. // @namespace    https://github.com/MiPoNianYou/UserScripts
  7. // @license      GPL-3.0
  8. // @match        *://*/*
  9. // @grant        none
  10. // @run-at       document-start
  11. // ==/UserScript==
  12.  
  13. class CopyRestrictionRemover {
  14.     constructor() {
  15.         this.InitializeObserver();
  16.         this.ExecuteCoreFeatures();
  17.     }
  18.  
  19.     ExecuteCoreFeatures() {
  20.         this.RemoveEventListeners(document);
  21.         this.RemoveEventListeners(document.body);
  22.         this.InjectLiberationStyles();
  23.         this.BindGlobalEventHandlers();
  24.         this.ProcessExistingElements();
  25.     }
  26.  
  27.     BindGlobalEventHandlers() {
  28.         const EventConfigurations = [
  29.             ['contextmenu', this.HandleContextMenu],
  30.             ['selectstart', this.HandleSelection],
  31.             ['copy', this.HandleClipboard],
  32.             ['cut', this.HandleClipboard],
  33.             ['paste', this.HandleClipboard]
  34.         ];
  35.  
  36.         EventConfigurations.forEach(([eventType, handler]) => {
  37.             document.addEventListener(eventType, handler.bind(this), true);
  38.         });
  39.     }
  40.  
  41.     HandleContextMenu(event) {
  42.         event.stopPropagation();
  43.         return true;
  44.     }
  45.  
  46.     HandleSelection(event) {
  47.         event.stopPropagation();
  48.         return true;
  49.     }
  50.  
  51.     HandleClipboard(event) {
  52.         event.stopPropagation();
  53.         return true;
  54.     }
  55.  
  56.     InjectLiberationStyles() {
  57.         const StyleDeclaration = `
  58.             * {
  59.                 -webkit-user-select: text !important;
  60.                 -moz-user-select: text !important;
  61.                 -ms-user-select: text !important;
  62.                 user-select: text !important;
  63.                 -webkit-user-drag: auto !important;
  64.                 -moz-user-drag: auto !important;
  65.                 user-drag: auto !important;
  66.             }
  67.         `;
  68.  
  69.         const StyleElement = document.createElement('style');
  70.         StyleElement.textContent = StyleDeclaration;
  71.         document.head.appendChild(StyleElement);
  72.     }
  73.  
  74.     ProcessExistingElements() {
  75.         document.querySelectorAll('*').forEach(element => {
  76.             this.RemoveEventListeners(element);
  77.         });
  78.     }
  79.  
  80.     RemoveEventListeners(element) {
  81.         if (!element) return;
  82.  
  83.         const RestrictedProperties = [
  84.             'oncontextmenu', 'onselectstart',
  85.             'oncopy', 'oncut', 'onpaste',
  86.             'ondrag', 'ondragstart'
  87.         ];
  88.  
  89.         RestrictedProperties.forEach(property => {
  90.             element[property] = null;
  91.         });
  92.     }
  93.  
  94.     InitializedMutationHandler(mutationsList) {
  95.         for (const mutation of mutationsList) {
  96.             if (mutation.type === 'childList') {
  97.                 mutation.addedNodes.forEach(node => {
  98.                     if (node.nodeType === Node.ELEMENT_NODE) {
  99.                         this.RemoveEventListeners(node);
  100.                         node.querySelectorAll('*').forEach(child => {
  101.                             this.RemoveEventListeners(child);
  102.                         });
  103.                     }
  104.                 });
  105.             }
  106.         }
  107.     }
  108.  
  109.     InitializeObserver() {
  110.         this.DomObserver = new MutationObserver(this.InitializedMutationHandler.bind(this));
  111.         this.DomObserver.observe(document.documentElement, {
  112.             childList: true,
  113.             subtree: true,
  114.             attributes: false,
  115.             characterData: false
  116.         });
  117.     }
  118. }
  119.  
  120. new CopyRestrictionRemover();