public SmtpResponse Data(byte[] data)
{
SmtpResponse response = new SmtpResponse();
var encodingresult = Lib.Helper.EncodingDetector.GetEmailEncoding(data);
string text = GetString(data, encodingresult);
text = text.Replace("\r\n..", "\r\n.");
if (!string.IsNullOrWhiteSpace(text))
{
this.MessageBody = text;
this._buffer = null;
response.Code = 250;
response.Message = "Message queued";
response.SessionCompleted = true;
}
else
{
response.Code = 550;
response.Message = "Message body not found";
}
this.Log.Add(new SmtpCommand()
{
CommandLine = ".", Name = SmtpCommandName.ENDDOT
}, response);
this.State = CommandState.Helo;
return(response);
}
internal SmtpResponse AuthCommand(string CommandLine)
{
var response = new SmtpResponse();
if (this.State == CommandState.Auth)
{
this.State = CommandState.AuthUser;
this.UserName = Encoding.ASCII.GetString(Convert.FromBase64String(CommandLine));
response.Code = 334;
response.Message = Convert.ToBase64String(Encoding.ASCII.GetBytes("Password:"******"@") > -1 && Utility.AddressUtility.IsValidEmailAddress(this.UserName))
{
var emailaddressObj = Utility.AddressUtility.GetEmailAddress(this.UserName);
if (emailaddressObj != null)
{
username = Kooboo.Data.GlobalDb.Users.GetUserName(emailaddressObj.UserId);
this.OrganizationId = emailaddressObj.OrgId;
}
}
var user = Kooboo.Data.GlobalDb.Users.Validate(username, this.Password);
IsAuthenticated = user != null;
if (this.OrganizationId == default(Guid) && user != null)
{
this.OrganizationId = user.CurrentOrgId;
}
}
if (IsAuthenticated)
{
response.Code = 235;
response.Message = "Authentication completed";
Kooboo.Data.Service.UserLoginProtection.AddLoginOK(username, this.ClientIP);
}
else
{
response.Code = 535;
response.Message = "Authentication failed";
Kooboo.Data.Service.UserLoginProtection.AddLoginFail(username, this.ClientIP);
}
}
return(response);
}
internal SmtpResponse HeloCommand(string CommandLine)
{
var response = new SmtpResponse();
var command = SmtpCommand.Parse(CommandLine);
// TODO validate the incoming domain...
if (command.Name == SmtpCommandName.HELO)
{
if (!string.IsNullOrEmpty(command.Value))
{
response.Code = 250;
response.Message = "Hello " + command.Value + " Kooboo Smtp Server";
this.State = CommandState.Body;
this.ClientHostName = command.Value;
}
else
{
response.Code = 501;
response.Message = "Hostname required";
}
}
else if (command.Name == SmtpCommandName.EHLO)
{
if (!string.IsNullOrEmpty(command.Value))
{
response.Code = 250;
response.Seperator = '-';
response.Message = "Hello " + command.Value + "\r\n250-SIZE 20480000\r\n250-AUTH LOGIN\r\n250 OK";
this.State = CommandState.Body;
this.ClientHostName = command.Value;
}
else
{
response.Code = 501;
response.Message = "Hostname required";
}
}
else if (command.Name == SmtpCommandName.UNKNOWN)
{
response.Code = 550;
response.Message = "bad command";
}
else if (command.Name == SmtpCommandName.QUIT)
{
response.Code = 221;
response.Message = "Goodbye";
response.Close = true;
}
else
{
response.Code = 502;
response.Message = "HELO or EHLO first";
}
this.Log.Add(command, response);
return(response);
}
internal SmtpResponse DataCommand(string CommandLine)
{
if (CommandLine == ".")
{
SmtpResponse response = new SmtpResponse();
string msgbody = null;
if (_buffer != null)
{
msgbody = _buffer.ToString().Replace("\r\n..", "\r\n.");
}
if (!string.IsNullOrEmpty(msgbody))
{
this.MessageBody = msgbody;
this._buffer = null;
response.Code = 250;
response.Message = "Message queued";
response.SessionCompleted = true;
}
else
{
response.Code = 550;
response.Message = "Message body not found";
}
this.Log.Add(new SmtpCommand()
{
CommandLine = CommandLine, Name = SmtpCommandName.ENDDOT
}, response);
this.State = CommandState.Helo;
return(response);
}
else
{
if (CommandLine == "\r\n")
{
this.buffer.AppendLine();
}
else
{
this.buffer.AppendLine(CommandLine);
}
return(new SmtpResponse()
{
SendResponse = false
});
}
}
internal SmtpResponse BodyCommand(string CommandLine)
{
var response = new SmtpResponse();
var command = SmtpCommand.Parse(CommandLine);
if (command.Name == SmtpCommandName.AUTHLOGIN)
{
if (string.IsNullOrEmpty(command.Value))
{
this.State = CommandState.Auth;
response.Code = 334;
response.Message = Convert.ToBase64String(Encoding.ASCII.GetBytes("Username:"******"Password:"******"Sender address must be specified";
}
else if (!ValidMailFrom(command.Value))
{
response.Code = 550;
response.Message = "Invalid Sender address";
}
else
{
response.Code = 250;
response.Message = "Sender OK";
}
}
else if (command.Name == SmtpCommandName.RCPTTO)
{
if (string.IsNullOrEmpty(command.Value))
{
response.Code = 550;
response.Message = "Recipient address must be specified";
}
else
{
var validateResult = ValidateRecipient(command.Value);
if (validateResult.IsOkToSend)
{
response.Code = 250;
response.Message = "Recipient OK";
}
else
{
response.Code = 550;
response.Message = validateResult.ErrorMessage;
}
}
}
else if (command.Name == SmtpCommandName.DATA)
{
//public static string DataStart = "354 ";
this.State = CommandState.Data;
response.Code = 354;
response.Message = "End data with <CLRF>.<CLRF>";
}
else if (command.Name == SmtpCommandName.QUIT)
{
response.Code = 221;
response.Message = "Goodbye";
response.Close = true;
}
else
{
response.Code = 550;
response.Message = "Invalid command";
}
this.Log.Add(command, response);
return(response);
}
