public new void TestFixtureSetUp()
{
SslSetup.SetupSSLPorts(_application);
Thread.Sleep(1000);
}
public void POP3ServerSupportingStartTLS_StartTLSOptional()
{
var messages = new List <string>();
string message = "From: [email protected]\r\n" +
"To: [email protected]\r\n" +
"Subject: Test\r\n" +
"\r\n" +
"Hello!";
messages.Add(message);
int port = TestSetup.GetNextFreePort();
using (var pop3Server = new POP3Server(1, port, messages, eConnectionSecurity.eCSSTARTTLSRequired))
{
pop3Server.SetCertificate(SslSetup.GetCertificate());
pop3Server.StartListen();
TestSetup.DeleteCurrentDefaultLog();
Account account = SingletonProvider <TestSetup> .Instance.AddAccount(_domain, "*****@*****.**", "test");
FetchAccount fa = account.FetchAccounts.Add();
fa.Enabled = true;
fa.MinutesBetweenFetch = 10;
fa.Name = "Test";
fa.Username = "******";
fa.Password = "******";
fa.ConnectionSecurity = eConnectionSecurity.eCSSTARTTLSOptional;
fa.ServerAddress = "localhost";
fa.Port = port;
fa.ProcessMIMERecipients = false;
fa.Save();
fa.DownloadNow();
pop3Server.WaitForCompletion();
POP3ClientSimulator.AssertMessageCount("*****@*****.**", "test", 1);
fa.Delete();
}
}
public bool ProcessCommand(string command)
{
if (command.ToLower().StartsWith("quit"))
{
// Remove the messages...
DeletedMessages.Sort();
DeletedMessages.Reverse();
foreach (int deletedMessage in DeletedMessages)
{
_messages.RemoveAt(deletedMessage - 1);
}
return(false);
}
if (command.ToLower().StartsWith("user"))
{
Send("+OK\r\n");
return(true);
}
if (command.ToLower().StartsWith("capa"))
{
string capabilities = "USER\r\nUIDL\r\nTOP\r\n";
if (_connectionSecurity == eConnectionSecurity.eCSSTARTTLSRequired ||
_connectionSecurity == eConnectionSecurity.eCSSTARTTLSOptional)
{
capabilities += "STLS\r\n";
}
string response = "+OK CAPA list follows\r\n" + capabilities + "." + "\r\n";
Send(response);
return(true);
}
if (command.ToLower().StartsWith("stls"))
{
Send("+OK Begin TLS negotiation\r\n");
_tcpConnection.HandshakeAsServer(SslSetup.GetCertificate());
return(true);
}
if (command.ToLower().StartsWith("pass"))
{
Send("+OK\r\n");
return(true);
}
if (command.ToLower().StartsWith("uidl"))
{
if (!SupportsUIDL)
{
Send("-ERR unhandled command\r\n");
return(true);
}
Send("+OK\r\n");
for (int i = 0; i < _messages.Count; i++)
{
Send(string.Format("{0} UniqueID-{1}\r\n", i + 1, _messages[i].GetHashCode()));
}
Send(".\r\n");
return(true);
}
if (command.ToLower().StartsWith("retr"))
{
command = command.Substring(5);
command = command.TrimEnd('\n');
command = command.TrimEnd('\r');
int messageID = Convert.ToInt32(command);
RetrievedMessages.Add(messageID);
string message = _messages[messageID - 1];
switch (SendBufferMode)
{
case BufferMode.Split:
{
Send("+OK\r\n");
Send(message);
Send("\r\n.\r\n");
break;
}
case BufferMode.SingleBuffer:
{
Send("+OK\r\n" + message + "\r\n.\r\n");
break;
}
case BufferMode.MessageAndTerminatonTogether:
{
Send("+OK\r\n");
Send(message + "\r\n.\r\n");
break;
}
}
if (DisconnectAfterRetrCompletion)
{
return(false);
}
return(true);
}
if (command.ToLower().StartsWith("dele"))
{
command = command.Substring(5);
command = command.TrimEnd('\n');
command = command.TrimEnd('\r');
int messageID = Convert.ToInt32(command);
DeletedMessages.Add(messageID);
Send("+OK\r\n");
return(true);
}
return(true);
}
public void POP3ServerNOTSupportingStartTLS_StartTLSRequired()
{
var messages = new List <string>();
string message = "From: [email protected]\r\n" +
"To: [email protected]\r\n" +
"Subject: Test\r\n" +
"\r\n" +
"Hello!";
messages.Add(message);
int port = TestSetup.GetNextFreePort();
using (var pop3Server = new POP3Server(1, port, messages, eConnectionSecurity.eCSNone))
{
pop3Server.SetCertificate(SslSetup.GetCertificate());
pop3Server.StartListen();
TestSetup.DeleteCurrentDefaultLog();
Account account = SingletonProvider <TestSetup> .Instance.AddAccount(_domain, "*****@*****.**", "test");
FetchAccount fa = account.FetchAccounts.Add();
fa.Enabled = true;
fa.MinutesBetweenFetch = 10;
fa.Name = "Test";
fa.Username = "******";
fa.Password = "******";
fa.ConnectionSecurity = eConnectionSecurity.eCSSTARTTLSRequired;
fa.ServerAddress = "localhost";
fa.Port = port;
fa.ProcessMIMERecipients = false;
fa.Save();
fa.DownloadNow();
string expectedMessage =
string.Format(
"The download of messages from external account {0} failed. The external aAccount is configured to use STARTTLS connection security, but the POP3 server does not support it.", fa.Name);
string contentSoFar = "";
for (int i = 0; i <= 10; i++)
{
if (i == 5)
{
CustomAssert.Fail("No connection: " + contentSoFar);
}
contentSoFar = TestSetup.ReadCurrentDefaultLog();
if (contentSoFar.Contains(expectedMessage))
{
break;
}
Thread.Sleep(1000);
}
pop3Server.WaitForCompletion();
fa.Delete();
}
}
private bool ProcessCommand(string command)
{
if (command.ToUpper().StartsWith("HELO"))
{
Send("250 Test Server - Helo\r\n");
return(false);
}
if (command.ToUpper().StartsWith("EHLO"))
{
var response = new StringBuilder();
if (_connectionSecurity == eConnectionSecurity.eCSSTARTTLSRequired ||
_connectionSecurity == eConnectionSecurity.eCSSTARTTLSOptional)
{
response.AppendLine("250-STARTTLS");
}
response.AppendLine("250 AUTH LOGIN PLAIN");
Send(response.ToString());
return(false);
}
if (command.ToUpper().StartsWith("STARTTLS"))
{
Send("220 Ready to start TLS\r\n");
_tcpConnection.HandshakeAsServer(SslSetup.GetCertificate());
return(false);
}
if (command.ToUpper().StartsWith("AUTH LOGIN"))
{
if (_connectionSecurity == eConnectionSecurity.eCSSTARTTLSRequired &&
!_tcpConnection.IsSslConnection)
{
Send("503 STARTTLS required..\r\n");
return(false);
}
Send("334 VXNlcm5hbWU6\r\n");
_expectingUsername = true;
return(false);
}
if (command.ToUpper().StartsWith("MAIL"))
{
if (_connectionSecurity == eConnectionSecurity.eCSSTARTTLSRequired &&
!_tcpConnection.IsSslConnection)
{
Send("503 STARTTLS required..\r\n");
return(false);
}
Send(_mailFromresult.ToString() + "\r\n");
if (_mailFromresult == 250)
{
_hasMailFrom = true;
}
return(false);
}
if (command.ToUpper().StartsWith("RCPT"))
{
if (!_hasMailFrom)
{
Send("503 must have sender first.\r\n");
return(false);
}
int StartPos = command.IndexOf("<") + 1;
int EndPos = command.LastIndexOf(">");
int length = EndPos - StartPos;
string address = command.Substring(StartPos, length);
if (!_currentRecipientResult.ContainsKey(address))
{
throw new Exception("Unexpected address");
}
string result = _currentRecipientResult[address].ToString();
Send(result + " " + address + "\r\n");
RcptTosReceived++;
return(false);
}
if (command.ToUpper().StartsWith("DATA"))
{
Send("354 Test Server - Give it to me...\r\n");
_transmittingData = true;
_messageData = "";
return(false);
}
if (command.ToUpper().StartsWith("QUIT"))
{
if (_simulatedError != SimulatedErrorType.DisconnectWithoutReplyOnQuit)
{
Send(_quitResult.ToString() + " Test Server - Goodbye\r\n");
}
Disconnect();
return(true);
}
if (_transmittingData)
{
if (_simulatedError == SimulatedErrorType.DisconnectAfterDeliveryStarted)
{
// We've received some message data. Disconenct!
Disconnect();
return(true);
}
_messageData += command;
}
if (_messageData.IndexOf("\r\n.\r\n") > 0)
{
// remove the ending...
_messageData = _messageData.Replace("\r\n.\r\n", "\r\n");
Send("250 Test Server - Queued for delivery\r\n");
if (_simulatedError == SimulatedErrorType.DisconnectAfterMessageAccept)
{
Disconnect();
return(true);
}
_transmittingData = false;
return(false);
}
if (_expectingUsername)
{
_expectingUsername = false;
Send("334 UGFzc3dvcmQ6\r\n");
_expectingPassword = true;
return(false);
}
if (_expectingPassword)
{
if (SimulatedError == SimulatedErrorType.ForceAuthenticationFailure)
{
Send("535 Authentication failed. Restarting authentication process.\r\n");
}
else
{
Send("235 authenticated.\r\n");
}
_expectingPassword = false;
return(false);
}
return(false);
}