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阻止阻止复制

干烂剪切板接口，这样就不能阻止我复制了

  1. // ==UserScript==
  2. // @name         阻止阻止复制
  3. // @namespace    https://lab.wsl.moe/
  4. // @version      0.4
  5. // @description  干烂剪切板接口，这样就不能阻止我复制了
  6. // @author       MisakaMikoto
  7. // @match        http://*/*
  8. // @match        https://*/*
  9. // @license MIT
  10. // @run-at       document-start
  11. // @grant        none
  12. // ==/UserScript==
  13.  
  14. (function() {
  15.  
  16.     const realExecCommand = document.execCommand;
  17.     const realAddEventListener = Element.prototype.addEventListener;
  18.  
  19.     let userSelected = localStorage.____userAllowClipboard____ != null && localStorage.____userAllowClipboard____ !== '';
  20.     let userAllowed = localStorage.____userAllowClipboard____ === 'true';
  21.  
  22.     const setAllNodesSelectable = (node) => {
  23.         if (!node || !node.style) return;
  24.         const nodeStyleGetPropertyValue = node.style.getPropertyValue;
  25.         node.style.getPropertyValue = (prop) => {
  26.             if (prop === 'user-select') {
  27.                 return '';
  28.             }
  29.             node.style.___ = nodeStyleGetPropertyValue;
  30.             const value = node.style.___(prop);
  31.             node.style.___ = undefined;
  32.             return value;
  33.         };
  34.         // node.style.setProperty('user-select', 'auto', 'important'); // This line will break baidu.com
  35.         node.style.setProperty('user-select', '', 'important');
  36.         if (node.childNodes) {
  37.             for (let i of node.childNodes) {
  38.                 setAllNodesSelectable(i);
  39.             }
  40.         }
  41.     };
  42.  
  43.     const setExecuteCommand = () => {
  44.         setAllNodesSelectable(document.body);
  45.         window.Clipboard = undefined;
  46.         try {
  47.             navigator.clipboard.writeText = undefined;
  48.         } catch (e) {}
  49.         if (document && document.oncopy) {
  50.             if (!userSelected) {
  51.                 userSelected = true;
  52.                 userAllowed = confirm('该网站希望在全局页面上添加复制监听器，是否允许？');
  53.             }
  54.             if (!userAllowed) {
  55.                 console.warn('Permission denied to control clipboard.');
  56.                 document.oncopy = null;
  57.                 localStorage.____userAllowClipboard____ = 'false';
  58.                 return;
  59.             } else {
  60.                 localStorage.____userAllowClipboard____ = 'true';
  61.             }
  62.         }
  63.         if (document && document.body && document.body.oncopy) {
  64.             if (!userSelected) {
  65.                 userSelected = true;
  66.                 userAllowed = confirm('该网站希望在全局页面上添加复制监听器，是否允许？');
  67.             }
  68.             if (!userAllowed) {
  69.                 console.warn('Permission denied to control clipboard.');
  70.                 document.body.oncopy = undefined;
  71.                 localStorage.____userAllowClipboard____ = 'false';
  72.                 return;
  73.             } else {
  74.                 localStorage.____userAllowClipboard____ = 'true';
  75.             }
  76.         }
  77.         if (document && document.onselectstart) {
  78.             if (!userSelected) {
  79.                 userSelected = true;
  80.                 userAllowed = confirm('该网站希望在全局页面上添加复制监听器，是否允许？');
  81.             }
  82.             if (!userAllowed) {
  83.                 console.warn('Permission denied to control clipboard.');
  84.                 document.onselectstart = null;
  85.                 localStorage.____userAllowClipboard____ = 'false';
  86.                 return;
  87.             } else {
  88.                 localStorage.____userAllowClipboard____ = 'true';
  89.             }
  90.         }
  91.         if (document && document.body && document.body.onselectstart) {
  92.             if (!userSelected) {
  93.                 userSelected = true;
  94.                 userAllowed = confirm('该网站希望在全局页面上添加选择文本监听器，是否允许？');
  95.             }
  96.             if (!userAllowed) {
  97.                 console.warn('Permission denied to control clipboard.');
  98.                 document.body.onselectstart = undefined;
  99.                 localStorage.____userAllowClipboard____ = 'false';
  100.                 return;
  101.             } else {
  102.                 localStorage.____userAllowClipboard____ = 'true';
  103.             }
  104.         }
  105.         const changeListener = (parent, keyTree) => {
  106.             if (!parent || !keyTree || keyTree === '') { return; }
  107.             keyTree = keyTree.split('.');
  108.             const originalCallbackFunction = (() => {
  109.                 let objParent = null;
  110.                 let obj = parent;
  111.                 let lastKey = '';
  112.                 for (let i of keyTree) {
  113.                     objParent = obj;
  114.                     obj = obj[i];
  115.                     lastKey = i;
  116.                 }
  117.                 return {
  118.                     objParent,
  119.                     obj,
  120.                     lastKey
  121.                 };
  122.             })();
  123.             if (originalCallbackFunction == null || originalCallbackFunction.objParent == null || originalCallbackFunction.obj == null) {
  124.                 return;
  125.             }
  126.             originalCallbackFunction.objParent[originalCallbackFunction.lastKey] = (event) => {
  127.                 var handledFunctionFingerprint=1;handledFunctionFingerprint=0;
  128.                     if(event && event.code === 'F12') {
  129.                         return;
  130.                     }
  131.                 originalCallbackFunction.obj(event);
  132.             };
  133.         }
  134.         changeListener(document, 'onkeypress');
  135.         changeListener(document, 'onkeydown');
  136.         changeListener(document, 'onkeyup');
  137.         changeListener(document.body, 'onkeypress');
  138.         changeListener(document.body, 'onkeydown');
  139.         changeListener(document.body, 'onkeyup');
  140.         changeListener(window, 'onkeypress');
  141.         changeListener(window, 'onkeydown');
  142.         changeListener(window, 'onkeyup');
  143.         Document.prototype.execCommand = (cmd) => {
  144.             switch (cmd) {
  145.                 case "copy":
  146.                 case "cut":
  147.                 case "paste":
  148.                     if (!userSelected) {
  149.                         userSelected = true;
  150.                         userAllowed = confirm('该网站希望请求一次修改剪贴板的权限，是否允许？');
  151.                     }
  152.                     if (!userAllowed) {
  153.                         console.warn('Permission denied to control clipboard.');
  154.                         localStorage.____userAllowClipboard____ = 'false';
  155.                         return;
  156.                     } else {
  157.                         localStorage.____userAllowClipboard____ = 'true';
  158.                     }
  159.                     break;
  160.             }
  161.             realExecCommand(cmd);
  162.         };
  163.         //Element.prototype.realAddEventListener = realAddEventListener;
  164.         Element.prototype.addEventListener = function(...args) {
  165.             //const functionCode = p.toString();
  166.             const event = args[0];
  167.             switch (event) {
  168.                 case "copy":
  169.                 case "cut":
  170.                 case "paste":
  171.                     if (!userSelected) {
  172.                         userSelected = true;
  173.                         userAllowed = confirm('该网站希望在某个元素上添加复制事件监听器，是否允许？');
  174.                     }
  175.                     if (!userAllowed) {
  176.                         console.warn('Permission denied to control clipboard.');
  177.                         localStorage.____userAllowClipboard____ = 'false';
  178.                         return;
  179.                     } else {
  180.                         localStorage.____userAllowClipboard____ = 'true';
  181.                     }
  182.                     break;
  183.             }
  184.             return realAddEventListener.apply(this, args);
  185.         }
  186.     };
  187.     setExecuteCommand();
  188.     const intervalId = setInterval(setExecuteCommand, 1000);
  189. })();

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