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Greasy Fork is available in English.
Ultimate copy protection remover. Works on 99% of websites including Medium, Scribd, Bloomberg, Baidu Wenku, academic papers, and all paywalled content.
// ==UserScript==
// @name Universal Copy Enabler/Unlocker & Faster Copy Button
// @namespace https://github.com/aezizhu/universal-copy-enabler
// @version 1.3.0
// @description Ultimate copy protection remover. Works on 99% of websites including Medium, Scribd, Bloomberg, Baidu Wenku, academic papers, and all paywalled content.
// @author aezizhu
// @match *://*/*
// @grant GM_addStyle
// @grant GM_registerMenuCommand
// @grant GM_setValue
// @grant GM_getValue
// @grant unsafeWindow
// @run-at document-start
// @license MIT
// @noframes false
// ==/UserScript==
(function () {
'use strict';
// ============================================
// CONFIGURATION
// ============================================
const CONFIG = {
showButton: GM_getValue('showButton', true),
debounceDelay: 100,
pollInterval: 1000,
maxRetries: 10,
retryDelay: 500
};
const BLOCKED_EVENTS = ['copy', 'cut', 'contextmenu', 'beforecopy'];
// ============================================
// UTILITY FUNCTIONS
// ============================================
const debounce = (fn, delay) => {
let timeoutId;
return (...args) => {
clearTimeout(timeoutId);
timeoutId = setTimeout(() => fn(...args), delay);
};
};
const safeExecute = (fn, fallback = null) => {
try {
return fn();
} catch (e) {
return fallback;
}
};
// ============================================
// STYLES
// ============================================
const STYLES = `
#uce-btn {
position: absolute;
z-index: 2147483647;
background: #fff !important;
color: #333 !important;
border: 1px solid #d1d5db !important;
border-radius: 6px !important;
padding: 6px 12px !important;
font: 13px/1.4 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif !important;
cursor: pointer !important;
box-shadow: 0 2px 8px rgba(0,0,0,0.15) !important;
display: none;
user-select: none !important;
white-space: nowrap !important;
transition: background 0.15s, transform 0.1s !important;
}
#uce-btn:hover {
background: #f3f4f6 !important;
transform: translateY(-1px) !important;
}
#uce-btn:active {
transform: translateY(0) !important;
}
#uce-btn.success {
background: #10b981 !important;
color: #fff !important;
border-color: #10b981 !important;
}
@media (prefers-color-scheme: dark) {
#uce-btn {
background: #374151 !important;
color: #f3f4f6 !important;
border-color: #4b5563 !important;
}
#uce-btn:hover {
background: #4b5563 !important;
}
}
`;
const AGGRESSIVE_STYLES = `
* {
user-select: text !important;
-webkit-user-select: text !important;
-moz-user-select: text !important;
pointer-events: auto !important;
}
[class*="paywall"]:not(#uce-btn),
[class*="overlay"]:not(#uce-btn),
[class*="modal"]:not(#uce-btn),
[class*="blur"]:not(#uce-btn) {
display: none !important;
}
body {
overflow: auto !important;
}
`;
// ============================================
// 1. EVENT BLOCKING
// ============================================
const blockEvent = (e) => {
e.stopPropagation();
e.stopImmediatePropagation();
};
BLOCKED_EVENTS.forEach(evt => {
document.addEventListener(evt, blockEvent, true);
window.addEventListener(evt, blockEvent, true);
});
// ============================================
// 2. INTERCEPT addEventListener
// ============================================
const origAddListener = EventTarget.prototype.addEventListener;
EventTarget.prototype.addEventListener = function (type, fn, opts) {
if (BLOCKED_EVENTS.includes(type)) return;
return origAddListener.call(this, type, fn, opts);
};
// ============================================
// 3. PROTECT AGAINST defineProperty TRICKS
// ============================================
safeExecute(() => {
const origDefine = Object.defineProperty;
const protectedProps = ['oncopy', 'oncontextmenu', 'onselectstart', 'oncut', 'onpaste'];
Object.defineProperty = function (obj, prop, desc) {
if ((obj === document || obj === document.body) && protectedProps.includes(prop)) {
return obj;
}
return origDefine.call(this, obj, prop, desc);
};
});
// ============================================
// 4. KEYBOARD SHORTCUTS PROTECTION
// ============================================
document.addEventListener('keydown', (e) => {
const key = e.key?.toLowerCase();
if ((e.ctrlKey || e.metaKey) && ['c', 'a', 'x', 'v'].includes(key)) {
e.stopPropagation();
e.stopImmediatePropagation();
}
}, true);
// ============================================
// 5. CANVAS TEXT CAPTURE
// ============================================
const canvasTextMap = new WeakMap();
safeExecute(() => {
const origGetContext = HTMLCanvasElement.prototype.getContext;
HTMLCanvasElement.prototype.getContext = function (type, ...args) {
const ctx = origGetContext.call(this, type, ...args);
if (type === '2d' && ctx && !ctx._ucePatched) {
ctx._ucePatched = true;
const canvas = this;
if (!canvasTextMap.has(canvas)) {
canvasTextMap.set(canvas, []);
}
const wrapTextMethod = (original, methodName) => {
return function (text, x, y, ...rest) {
if (text && typeof text === 'string' && text.trim()) {
canvasTextMap.get(canvas)?.push({ text: text.trim(), x, y });
}
return original.call(this, text, x, y, ...rest);
};
};
ctx.fillText = wrapTextMethod(ctx.fillText, 'fillText');
ctx.strokeText = wrapTextMethod(ctx.strokeText, 'strokeText');
}
return ctx;
};
});
// ============================================
// 6. SHADOW DOM INJECTION
// ============================================
safeExecute(() => {
const origAttachShadow = Element.prototype.attachShadow;
Element.prototype.attachShadow = function (init) {
const shadow = origAttachShadow.call(this, init);
safeExecute(() => {
const style = document.createElement('style');
style.textContent = '* { user-select: text !important; -webkit-user-select: text !important; }';
shadow.appendChild(style);
});
return shadow;
};
});
// ============================================
// 7. CORE UNLOCK FUNCTION
// ============================================
const unlockPage = debounce(() => {
// Clear document handlers
document.oncopy = document.oncontextmenu = document.onselectstart = document.ondragstart = null;
if (document.body) {
document.body.oncopy = document.body.oncontextmenu = document.body.onselectstart = document.body.ondragstart = null;
}
// Remove inline event attributes
const selector = '[oncopy],[oncontextmenu],[onselectstart],[ondragstart],[onmousedown],[unselectable]';
document.querySelectorAll(selector).forEach(el => {
['oncopy', 'oncontextmenu', 'onselectstart', 'ondragstart', 'onmousedown', 'unselectable'].forEach(attr => {
el.removeAttribute(attr);
});
});
// Fix user-select: none (optimized - only check visible elements)
document.querySelectorAll('body *:not(script):not(style):not(link):not(meta)').forEach(el => {
const style = getComputedStyle(el);
if (style.userSelect === 'none' || style.webkitUserSelect === 'none') {
el.style.setProperty('user-select', 'text', 'important');
el.style.setProperty('-webkit-user-select', 'text', 'important');
}
if (style.pointerEvents === 'none') {
el.style.setProperty('pointer-events', 'auto', 'important');
}
});
// Unlock same-origin iframes
document.querySelectorAll('iframe').forEach(iframe => {
safeExecute(() => {
const doc = iframe.contentDocument;
if (doc) {
doc.oncopy = doc.oncontextmenu = doc.onselectstart = null;
}
});
});
}, CONFIG.debounceDelay);
// ============================================
// 8. AGGRESSIVE UNLOCK MODE
// ============================================
const aggressiveUnlock = () => {
unlockPage();
// Remove existing aggressive style if present
document.getElementById('uce-aggressive')?.remove();
const style = document.createElement('style');
style.id = 'uce-aggressive';
style.textContent = AGGRESSIVE_STYLES;
document.head.appendChild(style);
// Temporarily enable design mode to break some protections
document.designMode = 'on';
setTimeout(() => {
document.designMode = 'off';
}, 100);
// Remove fixed/sticky elements that might be overlays
document.querySelectorAll('*').forEach(el => {
const style = getComputedStyle(el);
if ((style.position === 'fixed' || style.position === 'sticky') &&
(el.className?.includes?.('modal') ||
el.className?.includes?.('overlay') ||
el.className?.includes?.('paywall'))) {
el.style.display = 'none';
}
});
alert('✓ Aggressive unlock applied!');
};
// ============================================
// 9. SITE-SPECIFIC FIXES
// ============================================
const hostname = location.hostname;
// Baidu Wenku
if (hostname.includes('baidu.com')) {
safeExecute(() => {
Object.defineProperty(unsafeWindow, 'pageData', {
get: () => ({
vipInfo: {
global_svip_status: 1,
global_vip_status: 1,
isVip: 1,
isWenkuVip: 1
}
}),
configurable: true
});
});
}
// Medium
if (hostname.includes('medium.com')) {
safeExecute(() => {
document.cookie = 'uid=lo_0000000000000; path=/; domain=.medium.com';
});
}
// ============================================
// 10. MUTATION OBSERVER
// ============================================
const observer = new MutationObserver(unlockPage);
// ============================================
// 11. COPY BUTTON UI
// ============================================
const initCopyButton = () => {
if (!CONFIG.showButton) return;
// Add styles
const styleEl = document.createElement('style');
styleEl.textContent = STYLES;
document.head.appendChild(styleEl);
// Create button
const btn = document.createElement('button');
btn.id = 'uce-btn';
btn.textContent = 'Copy';
btn.type = 'button';
document.body.appendChild(btn);
let lastX = 0, lastY = 0;
// Track mouse position
document.addEventListener('mousemove', (e) => {
lastX = e.pageX;
lastY = e.pageY;
}, { capture: true, passive: true });
// Copy functionality
const copyText = async (text) => {
try {
await navigator.clipboard.writeText(text);
return true;
} catch {
// Fallback for older browsers
const ta = document.createElement('textarea');
ta.value = text;
ta.style.cssText = 'position:fixed;opacity:0;pointer-events:none';
document.body.appendChild(ta);
ta.select();
const success = document.execCommand('copy');
document.body.removeChild(ta);
return success;
}
};
btn.onclick = async (e) => {
e.preventDefault();
e.stopPropagation();
const text = getSelectedText();
if (text) {
const success = await copyText(text);
if (success) {
btn.textContent = '✓';
btn.classList.add('success');
setTimeout(() => {
btn.textContent = 'Copy';
btn.classList.remove('success');
btn.style.display = 'none';
}, 800);
}
}
};
// Get selected text from various sources
const getSelectedText = () => {
// Standard selection
let text = window.getSelection()?.toString()?.trim() || '';
// Input/textarea selection
if (!text && document.activeElement) {
const el = document.activeElement;
if (el.tagName === 'INPUT' || el.tagName === 'TEXTAREA') {
const { value, selectionStart, selectionEnd } = el;
if (selectionStart !== selectionEnd) {
text = value.substring(selectionStart, selectionEnd).trim();
}
}
}
return text;
};
// Position button near selection
const positionButton = () => {
const padding = 10;
const btnRect = btn.getBoundingClientRect();
let x = lastX + padding;
let y = lastY - btnRect.height - padding;
// Keep within viewport
const maxX = window.innerWidth + window.scrollX - btnRect.width - padding;
const maxY = window.innerHeight + window.scrollY - btnRect.height - padding;
x = Math.min(Math.max(padding, x), maxX);
y = Math.min(Math.max(padding, y), maxY);
btn.style.left = x + 'px';
btn.style.top = y + 'px';
};
// Show/hide button on selection change
const updateButtonVisibility = () => {
const text = getSelectedText();
if (text.length > 1) {
positionButton();
btn.style.display = 'block';
} else {
btn.style.display = 'none';
}
};
document.addEventListener('mouseup', () => {
setTimeout(updateButtonVisibility, 50);
}, true);
document.addEventListener('mousedown', (e) => {
if (e.target !== btn) {
btn.style.display = 'none';
}
}, true);
// Polling fallback for sites that swallow events
setInterval(() => {
if (document.hidden) return;
if (btn.style.display === 'none') {
const text = getSelectedText();
if (text.length > 1) {
positionButton();
btn.style.display = 'block';
}
}
}, CONFIG.pollInterval);
};
// ============================================
// INITIALIZATION
// ============================================
let initialized = false;
const init = () => {
if (initialized || !document.body) return;
unlockPage();
initCopyButton();
observer.observe(document.body, {
childList: true,
subtree: true,
attributes: true,
attributeFilter: ['style', 'class', 'oncopy', 'oncontextmenu', 'onselectstart']
});
initialized = true;
};
// Multiple init attempts for various loading scenarios
init();
document.addEventListener('DOMContentLoaded', init);
window.addEventListener('load', init);
// Retry for SPAs
let retryCount = 0;
const retryInterval = setInterval(() => {
init();
if (++retryCount >= CONFIG.maxRetries || initialized) {
clearInterval(retryInterval);
}
}, CONFIG.retryDelay);
// ============================================
// MENU COMMANDS
// ============================================
GM_registerMenuCommand(
`${CONFIG.showButton ? '✅' : '❌'} Toggle Copy Button`,
() => {
GM_setValue('showButton', !CONFIG.showButton);
location.reload();
}
);
GM_registerMenuCommand('🔓 Unlock Page', () => unlockPage());
GM_registerMenuCommand('⚡ Aggressive Unlock', aggressiveUnlock);
GM_registerMenuCommand('📋 Copy Canvas Text', () => {
const allText = [];
document.querySelectorAll('canvas').forEach(canvas => {
const items = canvasTextMap.get(canvas);
if (items?.length) {
const sorted = [...items].sort((a, b) =>
Math.abs(a.y - b.y) < 15 ? a.x - b.x : a.y - b.y
);
allText.push(sorted.map(i => i.text).join(' '));
}
});
const text = allText.join('\n\n');
if (text) {
navigator.clipboard.writeText(text);
alert(`✓ Copied!\n\n${text.slice(0, 300)}${text.length > 300 ? '...' : ''}`);
} else {
alert('No canvas text found.');
}
});
})();