Com esse código é possível fazer acesso ao MSN através de uma API e implementar seu próprio Messenger.
FONTE: CodeProject
using System;
using System.Net.Sockets;
using System.IO;
class MSN_NotificationServer
{
private string strMessage;
private string strVersion;
private string strCVR;
private string strUsr;
private string strUsr2;
private string ChallengeString;
private NetworkStream networkStream;
private StreamReader streamReader;
private StreamWriter streamWriter;
public MSN_NotificationServer(string ns_ip, int ns_port, string strUsername, string strPassword)
{
TcpClient msnTcp = new TcpClient();
try
{
msnTcp.Connect(ns_ip, ns_port);
if (msnTcp.Connected)
{
strMessage = "Connected";
}
else
{
strMessage = "Not Connected";
}
}
catch (UriFormatException UFE)
{
strMessage = UFE.Message;
}
networkStream = msnTcp.GetStream();
streamReader = new StreamReader(networkStream);
streamWriter = new StreamWriter(networkStream);
streamWriter.WriteLine("VER 4 MSNP8 CVR0");
streamWriter.Flush();
strVersion = streamReader.ReadLine();
streamWriter.WriteLine("CVR 5 0x0409 win 4.10 i386 MSNMSGR 6.2.0208 MSMSGS " + strUsername);
streamWriter.Flush();
strCVR = streamReader.ReadLine();
streamWriter.WriteLine("USR 6 TWN I " + strUsername);
streamWriter.Flush();
strUsr = streamReader.ReadLine();
string[] split_response = strUsr.Split(' ');
ChallengeString = split_response[4];
MSN_GetTicket TkMsn = new MSN_GetTicket(ChallengeString, strUsername, strPassword);
streamWriter.WriteLine("USR 7 TWN S " + TkMsn.ReturnTicket());
streamWriter.Flush();
strUsr2 = streamReader.ReadLine();
}
public string CheckConnection()
{
return strMessage;
}
public string CheckVersion()
{
return strVersion;
}
public string CheckCVR()
{
return strCVR;
}
public string CheckUsr()
{
return strUsr;
}
public string CheckUsr2()
{
return strUsr2;
}
public string ReturnChallengeString()
{
return ChallengeString;
}
}
