Omegle Command Prompt Chat Client written in Node.JS

omegle_chat.js

/*
 * Omegle Command Prompt Chat Client
 * =================================
 * Version 1.0 by adammw111
 * Requires Node.JS
 */
var net = require('net');
var OMEGLE_HOST = 'cardassia.omegle.com';
var OMEGLE_PORT = 1365;

/**
 * Create an Omegle packet
 * @param tag (string)
 * @param data (string)
 * @return Buffer
 */
function createPacket(tag, data) {
  var taglen = Buffer.byteLength(tag);
  var datalen = Buffer.byteLength(data);
  var buf = new Buffer(taglen+datalen+3);
  buf.writeUInt8(taglen, 0, 'big');
  buf.write(tag, 1, taglen);
  buf.writeUInt16(datalen, taglen+1, 'big');
  buf.write(data, taglen+3, datalen);
  return buf;
}
/** 
 * Parse an Omegle packet
 * @param Buffer
 * @return Object
 */
function parsePacket(buf) {
  var taglen = buf.readUInt8(0, 'big');
  var tag = buf.toString('utf8', 1, taglen+1);
  var datalen = buf.readUInt16(taglen+1, 'big');
  var data = buf.toString('utf8', taglen+3, taglen+datalen+3);
  return {tag: tag, data: data};
}

// Buffer what we type in, only send on ENTER.
var messageBuffer = "";
process.stdin.resume();
process.stdin.setEncoding('utf8');

// Connect to server
var socket = net.createConnection(OMEGLE_PORT, OMEGLE_HOST, function() {
  console.log('Connected to Omegle chat server.');
  
  // Start by sending a omegleStart packet
  socket.write(createPacket('omegleStart', 'web-flash')); 
  
  // Buffer what we type in, only send on ENTER.
  process.stdin.on('data', function(chunk) {
    messageBuffer += chunk;
    if (chunk == "\r" || chunk == "\n") {
      socket.write(createPacket('s', messageBuffer)); 
      messageBuffer = "";
      process.stdout.write("\n\rYou: ");
    } else {
      process.stdout.write(chunk);
    }
  });
  
  // Parse and respond to packets
  socket.on('data', function(data) {
    var pkt = parsePacket(data);
    switch (pkt.tag) {
      case 'w':
        console.log('Waiting for stranger...');
        break;
      case 'c':
        console.log('Connected to stranger...');
        process.stdout.write("You: ");
        break;
      case 't':
        process.stdout.write("\r\t\t\t\t\t\t(typing)\rYou: "+messageBuffer);
        break;
      case 'm':
        process.stdout.write("\rStranger: "+pkt.data+"\nYou: "+messageBuffer);
        break;
      case 'd':
        process.stdout.write("\r\nStranger disconnected\n");
        process.exit(0);
        break;
      case 'recaptchaRequired':
        console.log('You need to prove your a real person. Use omegle in your web browser and fill out the capacha to continue chatting.');
        process.exit(2);
        break;
      default:
        //console.log(pkt);
    }
  });
  
  // If the server disconnects us, quit.
  socket.on('end', function() {
    console.log('Server disconnected');
    process.exit(1);
  });
});