internal MSNTicket(Credentials creds)
{
if (null != creds &&
false == String.IsNullOrEmpty(creds.Account) &&
false == String.IsNullOrEmpty(creds.Password))
{
DeleteTick = NextDeleteTick();
Sha256Key = ComputeSHA(creds.Account, creds.Password);
}
}
/// <summary>
/// Send the first message to the server.
/// </summary>
protected virtual void SendInitialMessage()
{
(MessageProcessor as NSMessageProcessor).ResetTransactionID();
// 1) VER: MSN Protocol used
MessageProcessor.SendMessage(new NSMessage("VER", new string[] { "MSNP21", "CVR0" }));
// 2) CVR: Send client information
MsnProtocol msnProtocol = MsnProtocol.MSNP21;
Credentials oldcred = Credentials;
Credentials = new Credentials(oldcred.Account, oldcred.Password, msnProtocol);
string base64Hop = (hopCount == 0 || hopCount == int.MaxValue) ? "0" : Convert.ToBase64String(Encoding.ASCII.GetBytes("Version: 1\r\nXfrCount: " + hopCount.ToString(CultureInfo.InvariantCulture)));
MessageProcessor.SendMessage(new NSMessage("CVR",
new string[] {
"0x040c", //The LCIDs in .net framework are different from Windows API: "0x" + CultureInfo.CurrentCulture.LCID.ToString("x4")
"winnt",
"6.1.1",
"i386",
Credentials.ClientInfo.MessengerClientName,
Credentials.ClientInfo.MessengerClientBuildVer,
Credentials.ClientInfo.MessengerClientBrand,
Credentials.Account,
base64Hop
})
);
// 3) USR: Begin login procedure
MessageProcessor.SendMessage(new NSMessage("USR", new string[] { "SSO", "I", Credentials.Account }));
}
private static MSNTicket GetFromCacheOrCreateNewWithLock(string sha256key, Credentials creds)
{
MSNTicket ticket = null;
lock (SyncObject)
{
if (authenticatedTicketsCache.ContainsKey(sha256key))
{
// Hit delete tick
ticket = authenticatedTicketsCache[sha256key];
ticket.DeleteTick = MSNTicket.NextDeleteTick();
}
else
{
ticket = new MSNTicket(creds);
}
}
return ticket;
}
