noVNC Paste as keyboard

noVNCPasteAsKeyboard.user.js

// ==UserScript==
// @name         noVNC Paste as keyboard
// @namespace    http://tampermonkey.net/
// @version      0.3
// @description  Pastes text into a noVNC window by typing key binds. Useful if you need to dump an SSH public key into a system over only VNC or something. Paste the text to be pasted into NoVNC's clipboard window, then activate the script paste button
// @author       Chester Enright, Pieter-Jan Briers
// @match        https://console.cp4staging.be/*
// @match        https://console.level27.eu/*
// @grant        GM_registerMenuCommand
// @grant        GM_log
// ==/UserScript==

const delay = 1;

GM_log("noVNC Paste as keyboard");

GM_registerMenuCommand("Paste", function(event) {
    let text = document.getElementById("noVNC_clipboard_text").value.trim();

    let el = document.querySelector("canvas");
    setTimeout(() => {
        for (let i = 0; i < text.length; i++) {
            let x = text[i];

            let needs_shift = x.match(/[A-Z!@#$%^&*()_+{}:\"<>?~|]/);
            let evt;
            if (needs_shift) {

                evt = new KeyboardEvent("keydown", {keyCode: 16});
                el.dispatchEvent(evt);
                evt = new KeyboardEvent("keydown", {key: x, shiftKey: true});
                el.dispatchEvent(evt);
                evt = new KeyboardEvent("keyup", {keyCode: 16});
                el.dispatchEvent(evt);

            } else {
                evt = new KeyboardEvent("keydown", {key: x});
            }

            el.dispatchEvent(evt)
        }
    }, delay)
});