guacamole lite

index.js

import { Client, Keyboard, Mouse, WebSocketTunnel } from 'guacamole-common-js'

async function start() {
    const req = await fetch('/token'),
        token = await req.text(),
        client = new Client(new WebSocketTunnel(`http://localhost:8088/?token=${token}`)),
        elem = client.getDisplay().getElement()

    document.body.appendChild(elem)
    client.connect({ })

    const mouse = new Mouse(elem)
    mouse.onmousedown = mouse.onmouseup = mouse.onmousemove = state => client.sendMouseState(state)

    const keyboard = new Keyboard(elem)
    keyboard.onkeydown = key => client.sendKeyEvent(1, key)
    keyboard.onkeyup = key => client.sendKeyEvent(0, key)

    window.onunload = () => client.disconnect()
}

start()

main.js

const Guacamole = require('guacamole-lite'),
    http = require('http'),
    crypto = require('crypto'),
    koa = require('koa'),
    static = require('koa-static'),
    route = require('koa-route'),
    app = new koa()

const crypt = {
    cypher: 'AES-256-CBC',
    key: 'MySuperSecretKeyForParamsToken12',
}

function encrypt(value) {
    const iv = crypto.randomBytes(16),
        cipher = crypto.createCipheriv(crypt.cypher, crypt.key, iv),
        crypted = cipher.update(JSON.stringify(value), 'utf8', 'base64') + cipher.final('base64'),
        data = { iv: iv.toString('base64'), value: crypted }
    return Buffer.from(JSON.stringify(data)).toString('base64')
}

app.use(route.get('/token', async ctx => {
    ctx.body = encrypt({
        connection: {
            type: 'rdp',
            settings: {
                hostname: 'nuc7.yff.me',
                username: 'oxyflour',
                password: 'xxxxxx',
                security: 'any',
                'ignore-cert': true,
            }
        }
    })
}))
app.use(static('dist'))
const server = http.createServer(app.callback()),
    guaca = new Guacamole({ server }, { port: 4822 }, { crypt })
server.listen(8088)