Greasy Fork is available in English.
解除网页的禁止选择、复制、粘贴和右键菜单。注意：这个脚本可能严重影响某些网站功能！
// ==UserScript==
// @name 解除禁止复制粘贴和右键菜单
// @namespace https://github.com/LaLa-HaHa-Hei/
// @version 1.0.0
// @description 解除网页的禁止选择、复制、粘贴和右键菜单。注意：这个脚本可能严重影响某些网站功能！
// @author 代码见三
// @license GPL-3.0-or-later
// @match *://*/*
// @grant GM_getValue
// @grant GM_setValue
// @grant GM_registerMenuCommand
// @grant GM_unregisterMenuCommand
// ==/UserScript==
(function() {
'use strict';
console.log("运行了Disable Restriction")
const checkAllElementsForOnEvents = false // 解除限制时检查全部元素，值为true且网页复杂时将导致严重性能问题
let autoDisableAllRestriction = GM_getValue("dr-autoDisableAllRestriction", false) // 启动页面后自动解除所有限制
let injectIframesWrittenByJs = GM_getValue("dr-injectIframesWrittenByJs", false) // 部分iframe是由js写入的，不是通过src获取的
let id1 = GM_registerMenuCommand(
"自动解除限制：" + (autoDisableAllRestriction === true ? "已开" : "未开"),
menu1Click,
"a");
function menu1Click() {
GM_unregisterMenuCommand(id1)
autoDisableAllRestriction = !autoDisableAllRestriction
GM_setValue("dr-autoDisableAllRestriction", autoDisableAllRestriction)
id1 = GM_registerMenuCommand(
"自动解除限制：" + (autoDisableAllRestriction === true ? "已开" : "未开"),
menu1Click,
"a");
}
let id2 = GM_registerMenuCommand(
"包括js写入的iframe：" + (injectIframesWrittenByJs === true ? "已开" : "未开"),
menu2Click,
"i");
function menu2Click() {
GM_unregisterMenuCommand(id2)
injectIframesWrittenByJs = !injectIframesWrittenByJs
GM_setValue("dr-injectIframesWrittenByJs", injectIframesWrittenByJs)
id2 = GM_registerMenuCommand(
"包括js写入的iframe：" + (injectIframesWrittenByJs === true ? "已开" : "未开"),
menu2Click,
"i");
}
drMain(autoDisableAllRestriction, checkAllElementsForOnEvents)
if (injectIframesWrittenByJs)
{
injectToAllIframes()
const injectToAllIframesInterval = setInterval(injectToAllIframes, 2 * 1000)
}
// 注入所有js写入的iframe，带有src的ifrmae用match *://*/*匹配
function injectToAllIframes() {
const iframes = document.querySelectorAll('iframe');
iframes.forEach(iframe => {
try {
const doc = iframe.contentDocument || iframe.contentWindow.document;
if (!doc)
return;
// 避免重复注入
if (doc.body && doc.body.getAttribute("dr-injected"))
return;
// 注入 drMain()
const script = doc.createElement('script');
script.type = 'text/javascript';
script.textContent = `(${drMain.toString()})(${autoDisableAllRestriction}, ${checkAllElementsForOnEvents});`
doc.head.appendChild(script);
doc.body.setAttribute("dr-injected", "true");
// console.log("已注入 iframe：", iframe);
console.log("已注入 iframe");
} catch (e) {
console.warn("无法注入 iframe（可能是跨域）：", e);
}
})
}
function drMain(autoDisableAllRestriction, checkAllElementsForOnEvents = false){
if (document.body && document.body.getAttribute("dr-injected-main")) {
console.log("drMain已经在此frame运行过");
return;
}
if (document.body) {
document.body.setAttribute("dr-injected-main", "true");
}
injectCSS()
injectHTML()
if (autoDisableAllRestriction)
{
disableSelectionRestriction(checkAllElementsForOnEvents)
disableCopyRestriction(checkAllElementsForOnEvents)
disablePasteRestriction(checkAllElementsForOnEvents)
disableContextMenuRestriction(checkAllElementsForOnEvents)
}
// 直接绑定会导致找不到元素
setTimeout(() => {
bindEvents()
}, 0);
// 防止被覆盖，重新注入，每2秒检测一次，
const preventCoveredInterval = setInterval(() => {
if (!document.querySelector('#dr-html')) {
console.log('检测到UI被移除，重新注入...');
injectHTML();
setTimeout(() => {
bindEvents()
}, 0);
if (autoDisableAllRestriction)
{
disableSelectionRestriction(checkAllElementsForOnEvents)
disableCopyRestriction(checkAllElementsForOnEvents)
disablePasteRestriction(checkAllElementsForOnEvents)
disableContextMenuRestriction(checkAllElementsForOnEvents)
}
}
if (!document.querySelector('style[dr-style]')) {
console.log('选择样式被移除，重新注入...');
injectCSS();
}
}, 2 * 1000)
setTimeout(() => clearInterval(preventCoveredInterval), 7 * 1000); // 监听7秒后不再防止覆盖
// 解除禁止选择，对于实现了拖动功能的元素可能造成影响
function disableSelectionRestriction(checkAllElementsForOnEvents) {
// 设置全局css可选则
const styleId = 'enable-selection-style';
if (document.getElementById(styleId)) {
console.log('允许选择css已存在.');
}
else {
const style = document.createElement('style');
style.id = styleId;
// 使用 !important 提高优先级，覆盖网站可能使用的 !important
style.innerHTML = `
* {
user-select: auto !important;
-webkit-user-select: auto !important;
-moz-user-select: auto !important;
-ms-user-select: auto !important;
}
`;
(document.head || document.documentElement).appendChild(style);
console.log('允许选择css注入完成')
}
// 阻止其他addEventListener事件执行
document.addEventListener('selectstart', e => e.stopImmediatePropagation(), true)
// onxxx事件和addEventListener本质不同，需要单独阻止
const elements = checkAllElementsForOnEvents ? document.querySelectorAll('*') : [document, document.body]
elements.forEach(element => {
if (typeof element.onselectstart === 'function') {
element.onselectstart = null
}
})
console.log('允许选择js注入完成')
}
// 解除禁止复制
function disableCopyRestriction(checkAllElementsForOnEvents) {
document.addEventListener('copy', e => e.stopImmediatePropagation(), true)
const elements = checkAllElementsForOnEvents ? document.querySelectorAll('*') : [document, document.body]
elements.forEach(element => {
if (typeof element.oncopy === 'function') {
element.oncopy = null
}
})
console.log('允许复制js注入完成')
}
// 解除禁止粘贴
function disablePasteRestriction(checkAllElementsForOnEvents) {
document.addEventListener('paste', e => e.stopImmediatePropagation(), true)
const elements = checkAllElementsForOnEvents ? document.querySelectorAll('*') : document.querySelectorAll('textarea, input, [contenteditable="true"]')
elements.forEach(element => {
if (typeof element.onpaste === 'function') {
element.onpaste = null
}
})
console.log('允许粘贴js注入完成')
}
// 解除禁止右键菜单，对于带有特殊菜单的网页可能造成影响
function disableContextMenuRestriction(checkAllElementsForOnEvents) {
document.addEventListener('contextmenu', e => e.stopImmediatePropagation(), true)
// 尝试移除 body/document 上的 oncontextmenu
const elements = checkAllElementsForOnEvents ? document.querySelectorAll('*') : [document, document.body]
elements.forEach(element => {
if (typeof element.oncontextmenu === 'function') {
element.oncontextmenu = null
}
});
console.log('允许右键菜单js注入完成');
}
function bindEvents(){
const btn = document.querySelector('#dr-floating-btn');
const menu = document.querySelector('#dr-menu');
document.querySelector('#dr-allow-all-btn')?.addEventListener('click', () => {
disableSelectionRestriction(checkAllElementsForOnEvents)
disableCopyRestriction(checkAllElementsForOnEvents)
disablePasteRestriction(checkAllElementsForOnEvents)
disableContextMenuRestriction(checkAllElementsForOnEvents)
menu.style.display = 'none'
});
document.querySelector('#dr-allow-select-copy-paste-btn')?.addEventListener('click', () => {
disableSelectionRestriction(checkAllElementsForOnEvents)
disableCopyRestriction(checkAllElementsForOnEvents)
disablePasteRestriction(checkAllElementsForOnEvents)
menu.style.display = 'none'
});
document.querySelector('#dr-allow-select-btn')?.addEventListener('click', () => {
disableSelectionRestriction(checkAllElementsForOnEvents)
menu.style.display = 'none'
});
document.querySelector('#dr-allow-copy-btn')?.addEventListener('click', () => {
disableCopyRestriction(checkAllElementsForOnEvents)
menu.style.display = 'none'
});
document.querySelector('#dr-allow-paste-btn')?.addEventListener('click', () => {
disablePasteRestriction(checkAllElementsForOnEvents)
menu.style.display = 'none'
});
document.querySelector('#dr-allow-context-menu-btn')?.addEventListener('click', () => {
disableContextMenuRestriction(checkAllElementsForOnEvents)
menu.style.display = 'none'
});
// 按钮拖动，点击按钮弹出窗口
let isDragging = false;
let isClick = false;
let offsetY = 0;
// 点击菜单外关闭菜单
// 电脑
document.addEventListener('mousedown', function (e) {
if (!btn.contains(e.target) && !menu.contains(e.target)) {
menu.style.display = 'none';
}
});
// 手机
document.addEventListener('touchstart', function (e) {
// 对于触摸事件，e.target 也是触发事件的元素
if (!btn.contains(e.target) && !menu.contains(e.target)) {
menu.style.display = 'none';
}
}, { passive: true });
// 电脑端拖动
btn.addEventListener('mousedown', handleDragStart);
document.addEventListener('mousemove', handleDragMove);
document.addEventListener('mouseup', handleDragEnd);
// 手机端拖动
btn.addEventListener("touchstart", handleDragStart);
document.addEventListener("touchmove", handleDragMove);
document.addEventListener("touchend", handleDragEnd);
function handleDragStart(event){
isDragging = true;
isClick = true;
offsetY = (event.clientY || event.touches[0].clientY) - btn.getBoundingClientRect().top;
menu.style.display = 'none';
event.preventDefault();
}
function handleDragMove(event){
if (isDragging) {
isClick = false;
let newTop = (event.clientY || event.touches[0].clientY) - offsetY;
// 限制按钮不超出窗口
newTop = Math.max(0, Math.min(window.innerHeight - btn.offsetHeight, newTop));
btn.style.top = newTop + 'px';
event.preventDefault();
}
}
function handleDragEnd(event){
isDragging = false;
if (isClick){
// 菜单位置跟随按钮
const rect = btn.getBoundingClientRect();
menu.style.top = rect.top + 'px';
menu.style.display = menu.style.display = 'block';
}
isClick = false;
}
}
// 注入按钮和菜单
function injectHTML() {
const injectedTHML = `
<button id="dr-floating-btn">解除限制</button>
<div id="dr-menu">
<button class="dr-menu-item" id="dr-allow-all-btn">解除所有限制</button>
<button class="dr-menu-item" id="dr-allow-select-copy-paste-btn">允许选择复制粘贴</button>
<button class="dr-menu-item" id="dr-allow-select-btn">允许选择</button>
<button class="dr-menu-item" id="dr-allow-copy-btn">允许复制</button>
<button class="dr-menu-item" id="dr-allow-paste-btn">允许粘贴</button>
<button class="dr-menu-item" id="dr-allow-context-menu-btn">允许右键菜单</button>
</div>
`
const divElement = document.createElement('div')
divElement.innerHTML = injectedTHML
divElement.id = "dr-html"
document.body.appendChild(divElement)
// document.body.insertAdjacentHTML('afterbegin', injectedTHML)
}
// 注入css
function injectCSS(){
const injectedCSS = `
#dr-floating-btn {
position: fixed;
left: 0;
top: 40%;
z-index: 9999;
background: #007bff;
color: #fff;
border: none;
border-radius: 0 20px 20px 0;
padding: 6px 14px;
cursor: pointer;
box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
user-select: none;
transition: background 0.2s;
}
#dr-floating-btn:active {
background: #0056b3;
}
#dr-menu {
display: none;
position: fixed;
left: 60px;
top: 40%;
background: #fff;
border-radius: 8px;
box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
padding: 8px 0;
z-index: 10000;
min-width: 160px;
}
.dr-menu-item {
display: block;
width: 100%;
background: none;
border: none;
text-align: left;
padding: 8px 16px;
font-size: 15px;
color: #333;
cursor: pointer;
transition: background 0.2s;
}
.dr-menu-item:hover {
background: #f0f0f0;
}
`
const styleElement = document.createElement('style')
styleElement.textContent = injectedCSS
styleElement.setAttribute('dr-style', '')
document.head.appendChild(styleElement)
}
}
})();