Universal script to enable copy/paste on any webpage and local files
// ==UserScript==
// @name Web Test Bypass Copy&Paste
// @name:en Web Test Bypass Copy&Paste
// @name:ja webテストコピペバイパス
// @namespace https://educational-tools.example.com
// @version 2.0.1-universal
// @description Universal script to enable copy/paste on any webpage and local files
// @description:en Universal script to enable copy/paste on any webpage and local files
// @description:zh 通用脚本，可在任何网页和本地文件上启用复制/粘贴
// @description:ja あらゆるウェブページとローカルファイルでコピー/ペーストを有効にする汎用スクリプト
// @author Educational Tools
// @license MIT
// @match *://*/*
// @match file://*/*
// @include *
// @include file://*
// @grant GM_addStyle
// @grant unsafeWindow
// @run-at document-start
// ==/UserScript==
(function() {
'use strict';
// Configuration
const config = {
debug: false,
aggressive: true,
includeFrames: true,
continuousMode: true
};
// Log function for debugging
function log(...args) {
if (config.debug) {
console.log('[Universal Copy Enable]', ...args);
}
}
// Main initialization
function initialize() {
log('Initializing Universal Copy Enable');
// Apply to main window
applyToContext(window);
// Apply to unsafeWindow if available (for Greasemonkey/Tampermonkey compatibility)
if (typeof unsafeWindow !== 'undefined' && unsafeWindow !== window) {
applyToContext(unsafeWindow);
}
// Set up continuous monitoring
if (config.continuousMode) {
setInterval(() => {
removeAllRestrictions();
if (config.includeFrames) {
processFrames();
}
}, 3000);
}
// Apply CSS globally
injectGlobalCSS();
// Set up mutation observer
setupMutationObserver();
// Handle special cases
handleSpecialCases();
}
// Apply copy-enabling to a specific context (window/frame)
function applyToContext(ctx) {
try {
// Override restrictive functions
overrideRestrictiveFunctions(ctx);
// Enable event handlers
enableEventHandlers(ctx);
// Clear existing restrictions
clearContextRestrictions(ctx);
log('Applied to context:', ctx);
} catch (e) {
log('Error applying to context:', e);
}
}
// Override functions that might prevent copying
function overrideRestrictiveFunctions(ctx) {
// Save original functions
const originals = {
addEventListener: ctx.EventTarget?.prototype?.addEventListener,
preventDefault: ctx.Event?.prototype?.preventDefault,
stopPropagation: ctx.Event?.prototype?.stopPropagation
};
// List of events to intercept
const restrictedEvents = [
'copy', 'cut', 'paste', 'select', 'selectstart',
'contextmenu', 'dragstart', 'dragend', 'drag',
'beforecopy', 'beforecut', 'beforepaste'
];
// Override addEventListener
if (ctx.EventTarget?.prototype) {
ctx.EventTarget.prototype.addEventListener = function(type, listener, options) {
if (restrictedEvents.includes(type)) {
log('Blocked addEventListener for:', type);
return;
}
return originals.addEventListener?.call(this, type, listener, options);
};
}
// Override preventDefault for specific events
if (ctx.Event?.prototype) {
ctx.Event.prototype.preventDefault = function() {
if (restrictedEvents.includes(this.type)) {
log('Blocked preventDefault for:', this.type);
return;
}
return originals.preventDefault?.call(this);
};
ctx.Event.prototype.stopPropagation = function() {
if (restrictedEvents.includes(this.type)) {
log('Blocked stopPropagation for:', this.type);
return;
}
return originals.stopPropagation?.call(this);
};
}
// Override document.write protection
if (ctx.document) {
const originalWrite = ctx.document.write;
ctx.document.write = function(...args) {
log('document.write intercepted');
return originalWrite.apply(this, args);
};
}
}
// Enable copy/paste event handlers
function enableEventHandlers(ctx) {
const doc = ctx.document;
if (!doc) return;
// Event handler that allows the event
const allowEvent = (e) => {
e.stopImmediatePropagation();
return true;
};
// Events to enable
const events = [
'copy', 'cut', 'paste', 'select', 'selectstart',
'contextmenu', 'dragstart', 'beforecopy', 'beforecut'
];
// Add listeners with maximum priority
events.forEach(eventName => {
doc.addEventListener(eventName, allowEvent, true);
ctx.addEventListener(eventName, allowEvent, true);
});
// Special handling for keyboard shortcuts
doc.addEventListener('keydown', (e) => {
// Allow all Ctrl/Cmd combinations
if (e.ctrlKey || e.metaKey) {
const key = e.key.toLowerCase();
if (['a', 'c', 'x', 'v'].includes(key)) {
e.stopImmediatePropagation();
return true;
}
}
}, true);
}
// Clear restrictions from context
function clearContextRestrictions(ctx) {
const doc = ctx.document;
if (!doc) return;
// Events to clear
const events = [
'copy', 'cut', 'paste', 'select', 'selectstart',
'contextmenu', 'mousedown', 'mouseup', 'selectend',
'dragstart', 'dragend', 'drag', 'beforecopy',
'beforecut', 'beforepaste', 'keydown', 'keyup'
];
// Clear document and window handlers
events.forEach(evt => {
doc['on' + evt] = null;
ctx['on' + evt] = null;
// Remove attributes
if (doc.documentElement?.removeAttribute) {
doc.documentElement.removeAttribute('on' + evt);
}
if (doc.body?.removeAttribute) {
doc.body.removeAttribute('on' + evt);
}
});
// Process all elements
const elements = doc.querySelectorAll('*');
elements.forEach(el => {
events.forEach(evt => {
el['on' + evt] = null;
if (el.removeAttribute) {
el.removeAttribute('on' + evt);
}
});
// Force selection styles
if (el.style) {
el.style.userSelect = 'text';
el.style.webkitUserSelect = 'text';
el.style.MozUserSelect = 'text';
el.style.msUserSelect = 'text';
el.style.KhtmlUserSelect = 'text';
el.style.pointerEvents = 'auto';
}
});
}
// Inject global CSS
function injectGlobalCSS() {
const css = `
/* Universal text selection enabler */
*, *::before, *::after {
-webkit-user-select: text !important;
-moz-user-select: text !important;
-ms-user-select: text !important;
user-select: text !important;
-webkit-user-drag: auto !important;
-webkit-touch-callout: default !important;
}
/* Specific elements that often have selection disabled */
body, div, span, p, a, h1, h2, h3, h4, h5, h6,
pre, code, blockquote, em, strong, i, b, u,
table, tr, td, th, tbody, thead, tfoot,
ul, ol, li, dl, dt, dd,
article, section, nav, aside, header, footer, main,
form, input, textarea, select, option, label, button,
img, video, audio, canvas, svg {
-webkit-user-select: text !important;
-moz-user-select: text !important;
-ms-user-select: text !important;
user-select: text !important;
}
/* Selection highlighting */
::selection {
background-color: #338FFF !important;
color: white !important;
}
::-moz-selection {
background-color: #338FFF !important;
color: white !important;
}
/* Override inline styles */
[style*="user-select: none" i],
[style*="user-select:none" i] {
-webkit-user-select: text !important;
-moz-user-select: text !important;
user-select: text !important;
}
/* Ensure pointer events */
[style*="pointer-events: none" i],
[style*="pointer-events:none" i] {
pointer-events: auto !important;
}
/* Remove overlays that might block selection */
[class*="overlay" i]:not(input):not(textarea),
[id*="overlay" i]:not(input):not(textarea),
[class*="modal-backdrop" i],
[class*="cover" i]:not(input):not(textarea) {
pointer-events: none !important;
}
/* Special handling for code blocks */
pre, code, .hljs, [class*="highlight" i] {
-webkit-user-select: text !important;
-moz-user-select: text !important;
user-select: text !important;
}
/* Disable any custom cursors that might interfere */
* {
cursor: auto !important;
}
*:hover {
cursor: auto !important;
}
/* For view-source pages */
.line-number, .source-line {
-webkit-user-select: text !important;
-moz-user-select: text !important;
user-select: text !important;
}
`;
if (GM_addStyle) {
GM_addStyle(css);
} else {
const style = document.createElement('style');
style.textContent = css;
(document.head || document.documentElement).appendChild(style);
}
}
// Remove all restrictions (called periodically)
function removeAllRestrictions() {
applyToContext(window);
clearContextRestrictions(window);
}
// Process iframes
function processFrames() {
try {
const frames = document.querySelectorAll('iframe, frame');
frames.forEach(frame => {
try {
if (frame.contentWindow) {
applyToContext(frame.contentWindow);
}
} catch (e) {
// Cross-origin frame, skip
}
});
} catch (e) {
log('Error processing frames:', e);
}
}
// Set up mutation observer
function setupMutationObserver() {
if (!window.MutationObserver) return;
const observer = new MutationObserver((mutations) => {
let shouldReapply = false;
mutations.forEach(mutation => {
if (mutation.type === 'childList' && mutation.addedNodes.length > 0) {
shouldReapply = true;
}
if (mutation.type === 'attributes' &&
(mutation.attributeName === 'style' ||
mutation.attributeName?.startsWith('on'))) {
shouldReapply = true;
}
});
if (shouldReapply) {
removeAllRestrictions();
}
});
const startObserving = () => {
const target = document.body || document.documentElement;
if (target) {
observer.observe(target, {
childList: true,
subtree: true,
attributes: true,
attributeFilter: ['style', 'oncontextmenu', 'onselectstart', 'oncopy']
});
} else {
setTimeout(startObserving, 100);
}
};
startObserving();
}
// Handle special cases for specific types of pages
function handleSpecialCases() {
// For view-source pages
if (window.location.href.startsWith('view-source:')) {
document.addEventListener('DOMContentLoaded', () => {
const preElements = document.querySelectorAll('pre');
preElements.forEach(pre => {
pre.style.userSelect = 'text';
pre.style.webkitUserSelect = 'text';
});
});
}
// For PDF viewers
if (document.querySelector('embed[type="application/pdf"]')) {
log('PDF detected, applying special handling');
}
// For code highlighting libraries
setTimeout(() => {
const codeBlocks = document.querySelectorAll('pre code, .hljs, .highlight');
codeBlocks.forEach(block => {
block.style.userSelect = 'text';
block.style.webkitUserSelect = 'text';
});
}, 1000);
}
// Initialize immediately and on various load events
initialize();
// Reinitialize on different load stages
if (document.readyState === 'loading') {
document.addEventListener('DOMContentLoaded', initialize);
}
window.addEventListener('load', initialize);
// For single-page applications
let lastUrl = location.href;
new MutationObserver(() => {
const url = location.href;
if (url !== lastUrl) {
lastUrl = url;
setTimeout(initialize, 100);
}
}).observe(document, {subtree: true, childList: true});
log('Universal Copy Enable loaded successfully');
})();