// ==UserScript==
// @name         阻止阻止复制
// @namespace    https://lab.wsl.moe/
// @version      0.4
// @description  干烂剪切板接口，这样就不能阻止我复制了
// @author       MisakaMikoto
// @match        http://*/*
// @match        https://*/*
// @license MIT
// @run-at       document-start
// @grant        none
// ==/UserScript==
(function() {
const realExecCommand = document.execCommand;
const realAddEventListener = Element.prototype.addEventListener;
let userSelected = localStorage.____userAllowClipboard____ != null && localStorage.____userAllowClipboard____ !== '';
let userAllowed = localStorage.____userAllowClipboard____ === 'true';
const setAllNodesSelectable = (node) => {
if (!node || !node.style) return;
const nodeStyleGetPropertyValue = node.style.getPropertyValue;
node.style.getPropertyValue = (prop) => {
if (prop === 'user-select') {
return '';
}
node.style.___ = nodeStyleGetPropertyValue;
const value = node.style.___(prop);
node.style.___ = undefined;
return value;
};
// node.style.setProperty('user-select', 'auto', 'important'); // This line will break baidu.com
node.style.setProperty('user-select', '', 'important');
if (node.childNodes) {
for (let i of node.childNodes) {
setAllNodesSelectable(i);
}
}
};
const setExecuteCommand = () => {
setAllNodesSelectable(document.body);
window.Clipboard = undefined;
try {
navigator.clipboard.writeText = undefined;
} catch (e) {}
if (document && document.oncopy) {
if (!userSelected) {
userSelected = true;
userAllowed = confirm('该网站希望在全局页面上添加复制监听器，是否允许？');
}
if (!userAllowed) {
console.warn('Permission denied to control clipboard.');
document.oncopy = null;
localStorage.____userAllowClipboard____ = 'false';
return;
} else {
localStorage.____userAllowClipboard____ = 'true';
}
}
if (document && document.body && document.body.oncopy) {
if (!userSelected) {
userSelected = true;
userAllowed = confirm('该网站希望在全局页面上添加复制监听器，是否允许？');
}
if (!userAllowed) {
console.warn('Permission denied to control clipboard.');
document.body.oncopy = undefined;
localStorage.____userAllowClipboard____ = 'false';
return;
} else {
localStorage.____userAllowClipboard____ = 'true';
}
}
if (document && document.onselectstart) {
if (!userSelected) {
userSelected = true;
userAllowed = confirm('该网站希望在全局页面上添加复制监听器，是否允许？');
}
if (!userAllowed) {
console.warn('Permission denied to control clipboard.');
document.onselectstart = null;
localStorage.____userAllowClipboard____ = 'false';
return;
} else {
localStorage.____userAllowClipboard____ = 'true';
}
}
if (document && document.body && document.body.onselectstart) {
if (!userSelected) {
userSelected = true;
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？');
}
if (!userAllowed) {
console.warn('Permission denied to control clipboard.');
document.body.onselectstart = undefined;
localStorage.____userAllowClipboard____ = 'false';
return;
} else {
localStorage.____userAllowClipboard____ = 'true';
}
}
const changeListener = (parent, keyTree) => {
if (!parent || !keyTree || keyTree === '') { return; }
keyTree = keyTree.split('.');
const originalCallbackFunction = (() => {
let objParent = null;
let obj = parent;
let lastKey = '';
for (let i of keyTree) {
objParent = obj;
obj = obj[i];
lastKey = i;
}
return {
objParent,
obj,
lastKey
};
})();
if (originalCallbackFunction == null || originalCallbackFunction.objParent == null || originalCallbackFunction.obj == null) {
return;
}
originalCallbackFunction.objParent[originalCallbackFunction.lastKey] = (event) => {
var handledFunctionFingerprint=1;handledFunctionFingerprint=0;
if(event && event.code === 'F12') {
return;
}
originalCallbackFunction.obj(event);
};
}
changeListener(document, 'onkeypress');
changeListener(document, 'onkeydown');
changeListener(document, 'onkeyup');
changeListener(document.body, 'onkeypress');
changeListener(document.body, 'onkeydown');
changeListener(document.body, 'onkeyup');
changeListener(window, 'onkeypress');
changeListener(window, 'onkeydown');
changeListener(window, 'onkeyup');
Document.prototype.execCommand = (cmd) => {
switch (cmd) {
case "copy":
case "cut":
case "paste":
if (!userSelected) {
userSelected = true;
userAllowed = confirm('该网站希望请求一次修改剪贴板的权限，是否允许？');
}
if (!userAllowed) {
console.warn('Permission denied to control clipboard.');
localStorage.____userAllowClipboard____ = 'false';
return;
} else {
localStorage.____userAllowClipboard____ = 'true';
}
break;
}
realExecCommand(cmd);
};
//Element.prototype.realAddEventListener = realAddEventListener;
Element.prototype.addEventListener = function(...args) {
//const functionCode = p.toString();
const event = args[0];
switch (event) {
case "copy":
case "cut":
case "paste":
if (!userSelected) {
userSelected = true;
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？');
}
if (!userAllowed) {
console.warn('Permission denied to control clipboard.');
localStorage.____userAllowClipboard____ = 'false';
return;
} else {
localStorage.____userAllowClipboard____ = 'true';
}
break;
}
return realAddEventListener.apply(this, args);
}
};
setExecuteCommand();
const intervalId = setInterval(setExecuteCommand, 1000);
})();