Bypass Telegram's saving content restrictions for media and text
// ==UserScript==
// @name Telegram Web - Allow Saving Content
// @namespace c0d3r
// @license MIT
// @version 0.2
// @description Bypass Telegram's saving content restrictions for media and text
// @author c0d3r
// @match https://web.telegram.org/*
// @icon https://www.google.com/s2/favicons?sz=64&domain=telegram.org
// @grant unsafeWindow
// @grant GM_addStyle
// ==/UserScript==
// Download selected media, uses WebK's built-in functions
async function downloadMedia(pid, mid) {
// Get the message object based on peer and message ID
var msg = await unsafeWindow.mtprotoMessagePort.getMessageByPeer(pid, mid);
var myMedia;
if (msg.media) {
// Extract the media object; simple alternative to getMediaFromMessage
myMedia = msg.media.document || msg.media.photo;
}
if (myMedia) {
// Download media using the built-in function; auto sets file name and extension
unsafeWindow.appDownloadManager.downloadToDisc({media: myMedia});
}
}
(function () {
'use strict';
if (window.location.pathname.startsWith('/a/')) {
// Redirect to the WebK version from the WebA version
window.location.replace(window.location.href.replace('.org/a/', '.org/k/'));
} else {
// The root element used for watching and listening
var colCenter = document.querySelector('#column-center');
// Array of class names for media; we only add Download button if these are right clicked
var clArray = ['photo', 'audio', 'video', 'voice-message', 'media-round', 'grouped-item', 'document-container', 'sticker'];
// HTML code for the Download button
var btnHtml = '<div class="btn-menu-item rp-overflow" id="down-btn"><span class="tgico btn-menu-item-icon"></span><span class="i18n btn-menu-item-text">Download</span></div>';
// A flag for checking if we need to add the Download button
var needBtn = false;
// Variables for the current message and peer ID
var curMid, curPid, observer;
// Add CSS styles to allow text selection
GM_addStyle('.chat.no-forwards .bubbles, .bubble, .bubble-content { -webkit-user-select: text!important; -moz-user-select: text!important; user-select: text!important; }');
colCenter.addEventListener('mouseup', function (e) {
// Listen to the right mouse button clicks
if (e.button === 2) {
needBtn = false;
// Test if the current chat has restricted content saving
if (document.querySelector('.chat.no-forwards')) {
// Find the closest element containing message and peer IDs
var closest = e.target.closest('[data-mid]');
if (closest) {
// Check if the element actually contains some media classes
if (clArray.some(function (clName) {
return closest.classList.contains(clName);
})) {
curMid = closest.dataset.mid;
curPid = closest.dataset.peerId;
needBtn = true;
}
}
}
}
});
observer = new MutationObserver(function (mutList) {
mutList.forEach(function (mut) {
mut.addedNodes.forEach(function (anod) {
// Check if context menu has been added to the DOM
if (anod.id == 'bubble-contextmenu' && needBtn) {
// Add the custom Download button and assign a click event
anod.querySelector('.btn-menu-item').insertAdjacentHTML('beforebegin', btnHtml);
anod.querySelector('#down-btn').addEventListener('click', function () {
downloadMedia(curPid, curMid);
});
}
});
});
});
// Observe when context menu is added to the DOM
observer.observe(colCenter, {
subtree: true, childList: true
});
}
})();