discord_src.js

// ==UserScript==
// @name         Discord Copy SRC ALT+C
// @namespace    http://tampermonkey.net/
// @version      0.1
// @description  try to take over the world!
// @author       You
// @match        https://discord.com/*
// @icon         https://icons.duckduckgo.com/ip2/discord.com.ico
// @grant        none
// ==/UserScript==


let logKey = (event)=>{
    if (event.altKey && event.keyCode == 67) { // ALT + C. Needs to be spammed sometime
        const url = (event.target.querySelector('video')
                     ||event.target.querySelector('img[alt="Image"]')
                     ||event.target.querySelector('source'))
        .getAttribute('src');
        if(!url)return;
        navigator.clipboard.writeText(url.split('?')[0]);
        alert('Copied '+url.substring(url.lastIndexOf('/')+1));
    }
}
document.addEventListener('keydown', logKey);