Introduction to node-rdpjs

node-rdpjs is a powerful and flexible Node.js library that allows developers to manage and control remote desktop sessions directly from JavaScript. This library is especially useful for creating web-based remote desktop applications and other solutions that require remote desktop functionality. In this comprehensive guide, we will delve into various APIs provided by node-rdpjs along with useful code snippets.

Installation

npm install rdpjs

Getting Started

Below is a simple example to create a remote desktop session:

const RDP = require('rdpjs');

const rdp = RDP.createClient({
  domain: 'your-domain',
  userName: 'your-username',
  password: 'your-password',
  enablePerf: true
});

rdp.on('connect', () => {
  console.log('RDP session started');
});

rdp.on('close', () => {
  console.log('RDP session closed');
});

rdp.connect('your-rdp-server-ip', 3389);

Useful API Examples

Handling Screen Updates

rdp.on('bitmap', (bitmap) => {
  console.log('Received screen bitmap:', bitmap);
});

Key Press Simulation

rdp.keyEventScancode(0x1e, 1); // Press 'A' key
rdp.keyEventScancode(0x1e, 0); // Release 'A' key

Mouse Events

rdp.pointerEvent(100, 100, 0x1000); // Move mouse to (100, 100)
rdp.pointerEvent(100, 100, 0x2000); // Left mouse button down
rdp.pointerEvent(100, 100, 0x4000); // Left mouse button up

Clipboard Integration

rdp.on('clipboard', (data) => {
  console.log('Received clipboard data:', data);
});

rdp.sendClipboard('Clipboard data to send');

Building a Simple Application

Here is a basic example of an application utilizing node-rdpjs with Express:

const express = require('express');
const RDP = require('rdpjs');
const app = express();

app.get('/rdp', (req, res) => {
  const rdp = RDP.createClient({
    domain: 'your-domain',
    userName: 'your-username',
    password: 'your-password',
    enablePerf: true
  });

  rdp.on('connect', () => {
    console.log('RDP session started');
  });

  rdp.on('close', () => {
    console.log('RDP session closed');
  });

  rdp.on('bitmap', (bitmap) => {
    // Handle the bitmap for rendering to the client
    res.write(bitmap);
  });

  rdp.connect('your-rdp-server-ip', 3389);
});

app.listen(3000, () => {
  console.log('Server running on port 3000');
});

In this example, an Express.js server is set up to handle RDP connections and stream the screen data to the client. You can expand this application with additional features as needed.

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