void Login(NewCamdMessage message)
{
string username;
string encryptedPassword;
try
{
const int header = 3;
var splitter = Array.IndexOf(message.Data, (byte)0, header);
username = Encoding.ASCII.GetString(message.Data.Skip(header).Take(splitter - header).ToArray());
splitter++;
encryptedPassword = Encoding.ASCII.GetString(message.Data.Skip(splitter).Take(message.Data.Length - splitter - 1).ToArray());
}
catch (Exception ex)
{
_logger.Warn($"Couldn't read the login credentials from {Name}");
_logger.Debug("Exception at login", ex);
Dispose();
return;
}
var expectedPassword = _crypto.UnixEncrypt(_settings.Password, "$1$abcdefgh$");
var loginValid = _settings.Username.Equals(username) && expectedPassword.Equals(encryptedPassword);
message.Type = loginValid ? NewCamdMessageType.MsgClient2ServerLoginAck : NewCamdMessageType.MsgClient2ServerLoginNak;
_logger.Info($"{Name} - Login is {message.Type}");
message.Data = new byte[3];
_communication.SendMessage("Login response", message);
if (!loginValid)
{
return;
}
_communication.UpdateKeyBlock(encryptedPassword);
}