/// <summary>
/// Authenticates the connection
/// </summary>
/// <param name="connection">Connection to authenticate</param>
/// <param name="username">Username</param>
/// <param name="password">Password</param>
/// <param name="data">Additional data to send</param>
public static void Authenticate(NetConnection connection, String username, String password, Byte[] data = null)
{
var handshake = new Handshake(true, KeySize);
var request = handshake.GenerateSRPRequest(username, password, data ?? new Byte[0]);
var result = Create(connection, Handshake.Contents.Username, request.ByteSize);
handshake.WriteSRPRequest(result);
connection.SendMessage(result, NetDeliveryMethod.ReliableUnordered, 0);
connection.Tag = handshake;
#if DEBUG
Console.WriteLine(">> Autenticating with user:{0} and pass:{1} <<", username, password);
#endif
}
/// <summary>
/// Receives authentication
/// </summary>
/// <param name="message">Message with authentication</param>
internal static void ReceiveAuthenticate(NetIncomingMessage message)
{
try
{
var handshake = new Handshake(false, KeySize, LogonManager);
message.SenderConnection.Tag = handshake;
var response = Handshake.HandshakeFromActive(message);
var result = Create(message.SenderConnection, Handshake.Contents.Password, response.ByteSize);
handshake.WriteSRPResponse(result);
message.SenderConnection.SendMessage(result, NetDeliveryMethod.ReliableUnordered, 0);
#if DEBUG
Console.WriteLine(">> Authentication received with userdata: {0} <<", handshake.Username ?? handshake.UserData);
#endif
}
catch (Lidgren.Network.Authentication.NetSRP.HandShakeException ex)
{
ExceptionHandle(message, ex.Message);
return;
}
}
/// <summary>
/// Disconnects client and resets connecting status
/// </summary>
/// <param name="message">message to disconnect with</param>
public void Disconnect(String message)
{
if (_client != null)
{
if (_client.ServerConnection != null && _client.ServerConnection.Status != NetConnectionStatus.Disconnected)
_client.Disconnect(message);
}
_serverEP = null;
_handshake = null;
_connection = null;
SetStep(AuthenticationStatus.None);
}
/// <summary>
/// Creates a new message
/// </summary>
/// <param name="connection"></param>
/// <param name="reason"></param>
/// <param name="size"></param>
/// <returns></returns>
private static NetOutgoingMessage Create(NetConnection connection, Handshake.Contents reason, Int32 size = 4)
{
var message = connection.Peer.CreateMessage(size);
message.Write((Byte)reason);
return message;
}
/// <summary>
/// Starts authenticating the user
/// </summary>
/// <param name="connection"></param>
/// <param name="username"></param>
/// <param name="password"></param>
public void Authenticate(NetConnection connection, String username, String password)
{
// Hey we can't yet, connect first
if (!IsConnected)
{
Connect(_serverEP);
return;
}
SetStep(AuthenticationStatus.ServerConnection);
NetLobby.Authenticate(connection, username, password);
_handshake = connection.Tag as Handshake;
SetStep(AuthenticationStatus.HandshakeData);
}
