private void Data(SMTPContext context)
{
context.WriteLine(MESSAGE_START_DATA);
SMTPMessage message = context.Message;
IPEndPoint clientEndPoint = (IPEndPoint)context.Socket.RemoteEndPoint;
StringBuilder header = new StringBuilder();
header.Append(String.Format("Received: from {0} ({0} [{1}])", context.ClientDomain, clientEndPoint.Address));
header.Append("\r\n");
header.Append(String.Format(" by {0} (Eric Daugherty's C# Email Server)", domain));
header.Append("\r\n");
header.Append(" " + System.DateTime.Now);
header.Append("\r\n");
message.AddData(header.ToString());
String line = context.ReadLine();
while (!line.Equals("."))
{
message.AddData(line);
message.AddData("\r\n");
line = context.ReadLine();
}
// Spool the message
messageSpool.SpoolMessage(message);
context.WriteLine(MESSAGE_OK);
// Reset the connection.
context.Reset();
}
/// <summary>
/// Handles the command input from the client. This
/// message returns when the client issues the quit command.
/// </summary>
private void ProcessCommands(SMTPContext context)
{
bool isRunning = true;
String inputLine;
// Loop until the client quits.
while (isRunning)
{
try
{
inputLine = context.ReadLine();
if (inputLine == null)
{
isRunning = false;
context.Close();
continue;
}
log.Debug("ProcessCommands Read: " + inputLine);
String[] inputs = inputLine.Split(" ".ToCharArray());
switch (inputs[0].ToLower())
{
case "helo":
Helo(context, inputs);
break;
case "rset":
Rset(context);
break;
case "noop":
context.WriteLine(MESSAGE_OK);
break;
case "quit":
isRunning = false;
context.WriteLine(MESSAGE_GOODBYE);
context.Close();
break;
case "mail":
if (inputs[1].ToLower().StartsWith("from"))
{
Mail(context, inputLine.Substring(inputLine.IndexOf(" ")));
break;
}
context.WriteLine(MESSAGE_UNKNOWN_COMMAND);
break;
case "rcpt":
if (inputs[1].ToLower().StartsWith("to"))
{
Rcpt(context, inputLine.Substring(inputLine.IndexOf(" ")));
break;
}
context.WriteLine(MESSAGE_UNKNOWN_COMMAND);
break;
case "data":
Data(context);
break;
default:
context.WriteLine(MESSAGE_UNKNOWN_COMMAND);
break;
}
}
catch (Exception exception)
{
log.Error(String.Format("Connection {0}: Exception occured while processing commands: {1}", context.ConnectionId, exception), exception);
context.WriteLine(MESSAGE_SYSTEM_ERROR);
}
}
}