public AuthMechanismProcessorStatus ProcessResponse(string data)
{
string username = null;
if (State == States.Initial && !String.IsNullOrEmpty(data))
{
State = States.WaitingForUsername;
}
switch (State)
{
case States.Initial:
Connection.WriteResponse(new SmtpResponse(StandardSmtpResponseCode.AuthenticationContinue,
Convert.ToBase64String(
Encoding.ASCII.GetBytes("Username:"******"Password:"))));
State = States.WaitingForPassword;
return(AuthMechanismProcessorStatus.Continue);
case States.WaitingForPassword:
string password = DecodeBase64(data);
State = States.Completed;
Credentials = new UsernameAndPasswordAuthenticationRequest(username, password);
AuthenticationResult result =
Connection.Server.Behaviour.ValidateAuthenticationCredentials(Connection,
Credentials);
switch (result)
{
case AuthenticationResult.Success:
return(AuthMechanismProcessorStatus.Success);
default:
return(AuthMechanismProcessorStatus.Failed);
}
default:
throw new NotImplementedException();
}
}
public AuthMechanismProcessorStatus ProcessResponse(string data)
{
string username = null;
if (State == States.Initial && !String.IsNullOrEmpty(data))
{
State = States.WaitingForUsername;
}
switch (State)
{
case States.Initial:
Connection.WriteResponse(new SmtpResponse(StandardSmtpResponseCode.AuthenticationContinue,
Convert.ToBase64String(
Encoding.ASCII.GetBytes("Username:"******"Password:"))));
State = States.WaitingForPassword;
return AuthMechanismProcessorStatus.Continue;
case States.WaitingForPassword:
string password = DecodeBase64(data);
State = States.Completed;
Credentials = new UsernameAndPasswordAuthenticationRequest(username, password);
AuthenticationResult result =
Connection.Server.Behaviour.ValidateAuthenticationCredentials(Connection,
Credentials);
switch (result)
{
case AuthenticationResult.Success:
return AuthMechanismProcessorStatus.Success;
default:
return AuthMechanismProcessorStatus.Failed;
}
default:
throw new NotImplementedException();
}
}
public AuthMechanismProcessorStatus ProcessResponse(string data)
{
if (string.IsNullOrEmpty(data))
{
if (State == States.AwaitingResponse)
{
throw new SmtpServerException(new SmtpResponse(StandardSmtpResponseCode.AuthenticationFailure,
"Missing auth data"));
}
Connection.WriteResponse(new SmtpResponse(StandardSmtpResponseCode.AuthenticationContinue, ""));
State = States.AwaitingResponse;
return(AuthMechanismProcessorStatus.Continue);
}
string decodedData = DecodeBase64(data);
string[] decodedDataParts = decodedData.Split('\0');
if (decodedDataParts.Length != 3)
{
throw new SmtpServerException(new SmtpResponse(StandardSmtpResponseCode.AuthenticationFailure,
"Auth data in incorrect format"));
}
string username = decodedDataParts[1];
string password = decodedDataParts[2];
Credentials = new UsernameAndPasswordAuthenticationRequest(username, password);
AuthenticationResult result =
Connection.Server.Behaviour.ValidateAuthenticationCredentials(Connection, Credentials);
switch (result)
{
case AuthenticationResult.Success:
return(AuthMechanismProcessorStatus.Success);
break;
default:
return(AuthMechanismProcessorStatus.Failed);
break;
}
}
public AuthMechanismProcessorStatus ProcessResponse(string data)
{
if (string.IsNullOrEmpty(data))
{
if (State == States.AwaitingResponse)
{
throw new SmtpServerException(new SmtpResponse(StandardSmtpResponseCode.AuthenticationFailure,
"Missing auth data"));
}
Connection.WriteResponse(new SmtpResponse(StandardSmtpResponseCode.AuthenticationContinue, ""));
State = States.AwaitingResponse;
return AuthMechanismProcessorStatus.Continue;
}
string decodedData = DecodeBase64(data);
string[] decodedDataParts = decodedData.Split('\0');
if (decodedDataParts.Length != 3)
{
throw new SmtpServerException(new SmtpResponse(StandardSmtpResponseCode.AuthenticationFailure,
"Auth data in incorrect format"));
}
string username = decodedDataParts[1];
string password = decodedDataParts[2];
Credentials = new UsernameAndPasswordAuthenticationRequest(username, password);
AuthenticationResult result =
Connection.Server.Behaviour.ValidateAuthenticationCredentials(Connection, Credentials);
switch (result)
{
case AuthenticationResult.Success:
return AuthMechanismProcessorStatus.Success;
default:
return AuthMechanismProcessorStatus.Failed;
}
}
