public void OnAuthLoginRequestPacketReceive(GamePacketReceiveEvent e)
{
if (e.Packet is AuthLoginRequestPacket)
{
AuthLoginRequestPacket request = (AuthLoginRequestPacket)e.Packet;
string username = request.Username;
string password = request.Password;
string maintenanceText = null;
if (File.Exists("./maintenance.txt"))
{
string[] lines = File.ReadAllLines("./maintenance.txt");
maintenanceText = String.Empty;
for (int i = 0; i < lines.Length; i++)
{
if (i > 0)
{
maintenanceText += "\n";
}
maintenanceText += lines[i];
}
}
Server.Instance.Scheduler.RunTaskAsync(
() =>
{
ClientLoginResponsePacket response = new ClientLoginResponsePacket();
AccountInfo accountInfo = null;
MySqlHandle mySqlHandle = Server.Instance.DatabaseManager.GetMySqlHandle();
try
{
mySqlHandle.Open();
accountInfo = mySqlHandle.AccountsGetAccountInfo(username);
if (accountInfo != null)
{
Rfc2898DeriveBytes pbkdf2 = new Rfc2898DeriveBytes(password, accountInfo.PasswordSalt, accountInfo.PasswordIterations, HashAlgorithmName.SHA256);
byte[] passwordHash = pbkdf2.GetBytes(32);
if (passwordHash.SequenceEqual(accountInfo.PasswordHash))
{
response.LoginResult = LoginResult.Allow;
}
else
{
response.LoginResult = LoginResult.DenyInvalidCredentials;
}
}
else
{
response.LoginResult = LoginResult.DenyInvalidCredentials;
}
mySqlHandle.Close();
}
catch (Exception exc)
{
Server.Instance.LogDatabaseError(exc);
}
mySqlHandle.Free();
if (maintenanceText != null)
{
response.LoginResult = LoginResult.DenyCustomError;
response.CustomErrorMessage = maintenanceText;
}
if (response.LoginResult == LoginResult.Allow)
{
Session session = Server.Instance.SessionManager.CreateSession(e.SourceAddress, e.SourcePort, accountInfo);
response.SessionSecret = session.Secret;
}
else
{
response.SessionSecret = "AUTHENTICATION FAILED";
}
response.CharacterInstanceIp = e.DestinationAddress;
response.ChatInstanceIp = e.DestinationAddress;
response.CharacterInstancePort = Server.Instance.WorldPort;
response.ChatInstancePort = Server.Instance.WorldPort;
Server.Instance.SendGamePacket(response, ClientPacketId.MSG_CLIENT_LOGIN_RESPONSE, e.SourceAddress, e.SourcePort);
Server.Instance.Logger.Log("A client requested to authenticate. address=" + e.SourceAddress + " port=" + e.SourcePort + " username="******" result=" + response.LoginResult);
}
);
}
}