Greasy Fork is available in English.
干烂剪切板接口，这样就不能阻止我复制了
目前为
// ==UserScript==
// @name 阻止阻止复制
// @namespace https://lab.wsl.moe/
// @version 0.2
// @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://*/*
// @run-at document-start
// @grant none
// ==/UserScript==
(function() {
const realExecCommand = document.execCommand;
const realAddEventListener = Element.prototype.addEventListener;
let userSelected = false;
let userAllowed = false;
const setExecuteCommand = () => {
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;
return;
}
}
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;
return;
}
}
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.');
return;
}
break;
}
realExecCommand(cmd);
};
Element.prototype.realAddEventListener = realAddEventListener;
Element.prototype.addEventListener = function(t, p) {
//const functionCode = p.toString();
switch (t) {
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.');
return;
}
break;
}
return this.realAddEventListener(t, p);
}
};
setExecuteCommand();
const intervalId = setInterval(setExecuteCommand, 1000);
})();