/// <summary>
/// This method called when the page is loaded into the browser. This method requests input stream and parses it to get message counts.
/// </summary>
/// <param name="sender">object, which invoked this method</param>
/// <param name="e">EventArgs, which specifies arguments specific to this method</param>
protected void Page_Load(object sender, EventArgs e)
{
System.IO.Stream stream = Request.InputStream;
this.receivedDeliveryStatusFilePath = ConfigurationManager.AppSettings["ReceivedDeliveryStatusFilePath"];
if (string.IsNullOrEmpty(this.receivedDeliveryStatusFilePath))
{
this.receivedDeliveryStatusFilePath = "~\\DeliveryStatus.txt";
}
string count = ConfigurationManager.AppSettings["NumberOfDeliveryStatusToStore"];
if (!string.IsNullOrEmpty(count))
{
this.numberOfDeliveryStatusToStore = Convert.ToInt32(count);
}
if (null != stream)
{
byte[] bytes = new byte[stream.Length];
stream.Position = 0;
stream.Read(bytes, 0, (int)stream.Length);
string responseData = Encoding.ASCII.GetString(bytes);
JavaScriptSerializer serializeObject = new JavaScriptSerializer();
DeliveryStatusNotification message = (DeliveryStatusNotification)serializeObject.Deserialize(responseData, typeof(DeliveryStatusNotification));
if (null != message)
{
this.SaveMessage(message);
}
}
}
/// <summary>
/// This method reads the incoming message and stores the received message details.
/// </summary>
/// <param name="message">InboundSMSMessage, message received from Request</param>
private void SaveMessage(DeliveryStatusNotification message)
{
try
{
List <string> list = new List <string>();
if (File.Exists(Request.MapPath(this.receivedDeliveryStatusFilePath)))
{
FileStream file = new FileStream(Request.MapPath(this.receivedDeliveryStatusFilePath), FileMode.Open, FileAccess.Read);
StreamReader sr = new StreamReader(file);
string line;
while ((line = sr.ReadLine()) != null)
{
list.Add(line);
}
sr.Close();
file.Close();
}
if (list.Count > this.numberOfDeliveryStatusToStore)
{
int diff = list.Count - this.numberOfDeliveryStatusToStore;
list.RemoveRange(0, diff);
}
if (list.Count == this.numberOfDeliveryStatusToStore)
{
list.RemoveAt(0);
}
string messageLineToStore = message.deliveryInfoNotification.messageId.ToString() + "_-_-" +
message.deliveryInfoNotification.deliveryInfo.address.ToString() + "_-_-" +
message.deliveryInfoNotification.deliveryInfo.deliveryStatus.ToString();
list.Add(messageLineToStore);
using (StreamWriter sw = File.CreateText(Request.MapPath(this.receivedDeliveryStatusFilePath)))
{
int tempCount = 0;
while (tempCount < list.Count)
{
string lineToWrite = list[tempCount];
sw.WriteLine(lineToWrite);
tempCount++;
}
sw.Close();
}
}
catch (Exception ex)
{
return;
}
}
/// <summary>
/// This method reads the incoming message and stores the received message details.
/// </summary>
/// <param name="message">InboundSMSMessage, message received from Request</param>
private void SaveMessage(DeliveryStatusNotification message)
{
try
{
List<string> list = new List<string>();
FileStream file = new FileStream(Request.MapPath(this.receivedDeliveryStatusFilePath), FileMode.Open, FileAccess.Read);
StreamReader sr = new StreamReader(file);
string line;
while ((line = sr.ReadLine()) != null)
{
list.Add(line);
}
sr.Close();
file.Close();
if (list.Count > this.numberOfDeliveryStatusToStore)
{
int diff = list.Count - this.numberOfDeliveryStatusToStore;
list.RemoveRange(0, diff);
}
if (list.Count == this.numberOfDeliveryStatusToStore)
{
list.RemoveAt(0);
}
string messageLineToStore = message.deliveryInfoNotification.messageId.ToString() + "_-_-" +
message.deliveryInfoNotification.deliveryInfo.address.ToString() + "_-_-" +
message.deliveryInfoNotification.deliveryInfo.deliveryStatus.ToString();
list.Add(messageLineToStore);
using (StreamWriter sw = File.CreateText(Request.MapPath(this.receivedDeliveryStatusFilePath)))
{
int tempCount = 0;
while (tempCount < list.Count)
{
string lineToWrite = list[tempCount];
sw.WriteLine(lineToWrite);
tempCount++;
}
sw.Close();
}
}
catch (Exception ex)
{
return;
}
}
private void Send_DSN_Relayed(Relay_Session session)
{
if (session == null)
{
return;
}
try
{
if (!string.IsNullOrEmpty(session.From))
{
RelayMessageInfo relayMessageInfo = (RelayMessageInfo)session.QueueTag;
if ((relayMessageInfo.DSN_Notify & SMTP_DSN_Notify.Success) != SMTP_DSN_Notify.NotSpecified)
{
session.MessageStream.Position = 0L;
Mail_Message mail_Message = Mail_Message.ParseFromStream(session.MessageStream);
RelayVariablesManager relayVariablesManager = new RelayVariablesManager(this, session, "", mail_Message);
ServerReturnMessage serverReturnMessage = null;
if (serverReturnMessage == null)
{
string bodyTextRft = "{\\rtf1\\ansi\\ansicpg1257\\deff0\\deflang1061{\\fonttbl{\\f0\\froman\\fcharset0 Times New Roman;}{\\f1\froman\\fcharset186{\\*\\fname Times New Roman;}Times New Roman Baltic;}{\\f2\fswiss\\fcharset186{\\*\\fname Arial;}Arial Baltic;}}\r\n{\\colortbl ;\\red0\\green128\\blue0;\\red128\\green128\\blue128;}\r\n{\\*\\generator Msftedit 5.41.21.2508;}\\viewkind4\\uc1\\pard\\sb100\\sa100\\lang1033\\f0\\fs24\\par\r\nYour message WAS SUCCESSFULLY RELAYED to:\\line\\lang1061\\f1\\tab\\cf1\\lang1033\\b\\f0 <" + session.To + ">\\line\\cf0\\b0 and you explicitly requested a delivery status notification on success.\\par\\par\r\n\\cf2 Your original message\\lang1061\\f1 /header\\lang1033\\f0 is attached to this e-mail\\lang1061\\f1 .\\lang1033\\f0\\par\\r\\n\\cf0\\line\\par\r\n\\pard\\lang1061\\f2\\fs20\\par\r\n}\r\n";
serverReturnMessage = new ServerReturnMessage("DSN SUCCESSFULLY RELAYED: <#message.header[\"Subject:\"]>", bodyTextRft);
}
string rtfText = relayVariablesManager.Process(serverReturnMessage.BodyTextRtf);
Mail_Message mail_Message2 = DeliveryStatusNotification.CreateDsnMessage(session.From, relayVariablesManager.Process(serverReturnMessage.Subject), rtfText, relayMessageInfo.EnvelopeID, relayMessageInfo.Date, null, (session.IsConnected && string.IsNullOrEmpty(session.LocalHostName)) ? session.LocalEndPoint.Address.ToString() : session.LocalHostName, relayMessageInfo.OriginalRecipient, session.To, "relayed", "200 OK", session.RemoteHostName, DateTime.MinValue, DateTime.MinValue, (relayMessageInfo.DSN_Ret == SMTP_DSN_Ret.NotSpecified) ? SMTP_DSN_Ret.Headers : relayMessageInfo.DSN_Ret, mail_Message);
using (MemoryStream memoryStream = new MemoryStream())
{
mail_Message2.ToStream(memoryStream, new MIME_Encoding_EncodedWord(MIME_EncodedWordEncoding.Q, Encoding.UTF8), Encoding.UTF8);
this.m_pVirtualServer.ProcessAndStoreMessage("", new string[]
{
session.From
}, memoryStream, null);
}
mail_Message.Dispose();
mail_Message2.Dispose();
}
}
}
catch (Exception x)
{
DataSmart.MailServer.Error.DumpError(this.m_pVirtualServer.Name, x);
}
}
private void Send_DSN_Delayed(Relay_Session session, string error)
{
try
{
if (!string.IsNullOrEmpty(session.From))
{
RelayMessageInfo relayMessageInfo = (RelayMessageInfo)session.QueueTag;
if (relayMessageInfo.DSN_Notify == SMTP_DSN_Notify.NotSpecified || (relayMessageInfo.DSN_Notify & SMTP_DSN_Notify.Delay) != SMTP_DSN_Notify.NotSpecified)
{
session.MessageStream.Position = 0L;
Mail_Message mail_Message = Mail_Message.ParseFromStream(session.MessageStream);
RelayVariablesManager relayVariablesManager = new RelayVariablesManager(this, session, error, mail_Message);
ServerReturnMessage serverReturnMessage = this.DelayedDeliveryMessage;
if (serverReturnMessage == null)
{
string bodyTextRft = "{\\rtf1\\ansi\\ansicpg1252\\deff0\\deflang1033{\\fonttbl{\\f0\\fnil\\fcharset0 Verdana;}{\\f1\\fnil\\fcharset186 Verdana;}{\\f2\\fswiss\\fcharset186{\\*\\fname Arial;}Arial Baltic;}{\\f3\\fnil\\fcharset0 Microsoft Sans Serif;}}\r\n{\\colortbl ;\\red0\\green64\\blue128;\\red255\\green0\\blue0;\\red0\\green128\\blue0;}\r\n\\viewkind4\\uc1\\pard\\f0\\fs20 This e-mail is generated by the Server(\\cf1 <#relay.hostname>\\cf0 ) to notify you, \\par\r\n\\lang1061\\f1 that \\lang1033\\f0 your message to \\cf1 <#relay.to>\\cf0 dated \\b\\fs16 <#message.header[\"Date:\"]>\\b0 \\fs20 could not be sent at the first attempt.\\par\r\n\\par\r\nRecipient \\i <#relay.to>'\\i0 s Server (\\cf1 <#relay.session_hostname>\\cf0 ) returned the following response: \\cf2 <#relay.error>\\cf0\\par\r\n\\par\r\n\\par\r\nPlease note Server will attempt to deliver this message for \\b <#relay.undelivered_after>\\b0 hours.\\par\r\n\\par\r\n--------\\par\r\n\\par\r\nYour original message is attached to this e-mail (\\b data.eml\\b0 )\\par\r\n\\par\r\n\\fs16 The tracking number for this message is \\cf3 <#relay.session_messageid>\\cf0\\fs20\\par\r\n\\lang1061\\f2\\par\r\n\\pard\\lang1033\\f3\\fs17\\par\r\n}\r\n";
serverReturnMessage = new ServerReturnMessage("Delayed delivery notice: <#message.header[\"Subject:\"]>", bodyTextRft);
}
string rtfText = relayVariablesManager.Process(serverReturnMessage.BodyTextRtf);
Mail_Message mail_Message2 = DeliveryStatusNotification.CreateDsnMessage(session.From, relayVariablesManager.Process(serverReturnMessage.Subject), rtfText, relayMessageInfo.EnvelopeID, relayMessageInfo.Date, null, (session.IsConnected && string.IsNullOrEmpty(session.LocalHostName)) ? session.LocalEndPoint.Address.ToString() : session.LocalHostName, relayMessageInfo.OriginalRecipient, session.To, "delayed", error, session.RemoteHostName, DateTime.Now, relayMessageInfo.Date.AddMinutes((double)this.UndeliveredAfter), (relayMessageInfo.DSN_Ret == SMTP_DSN_Ret.NotSpecified) ? SMTP_DSN_Ret.FullMessage : relayMessageInfo.DSN_Ret, mail_Message);
using (MemoryStream memoryStream = new MemoryStream())
{
mail_Message2.ToStream(memoryStream, new MIME_Encoding_EncodedWord(MIME_EncodedWordEncoding.Q, Encoding.UTF8), Encoding.UTF8);
this.m_pVirtualServer.ProcessAndStoreMessage("", new string[]
{
session.From
}, memoryStream, null);
}
mail_Message.Dispose();
mail_Message2.Dispose();
}
}
}
catch (Exception x)
{
DataSmart.MailServer.Error.DumpError(this.m_pVirtualServer.Name, x);
}
}
static string GetNotifyString (DeliveryStatusNotification notify)
{
string value = string.Empty;
if (notify == DeliveryStatusNotification.Never)
return "NEVER";
if ((notify & DeliveryStatusNotification.Success) != 0)
value += "SUCCESS,";
if ((notify & DeliveryStatusNotification.Failure) != 0)
value += "FAILURE,";
if ((notify & DeliveryStatusNotification.Delay) != 0)
value += "DELAY";
return value.TrimEnd (',');
}
/// <summary>
/// Creates and sends "Message delivery failed" to message sender.
/// </summary>
/// <param name="session">Relay_Session.</param>
/// <param name="error">Permanent error happened.</param>
private void Send_DSN_Failed(Relay_Session session, string error)
{
try{
// No sender specified, can't send notify, just skip it.
if (string.IsNullOrEmpty(session.From))
{
return;
}
RelayMessageInfo relayInfo = (RelayMessageInfo)session.QueueTag;
// Send DSN only if user has not specified at all or has specified "failure".
if (relayInfo.DSN_Notify != SMTP_DSN_Notify.NotSpecified && (relayInfo.DSN_Notify & SMTP_DSN_Notify.Failure) == 0)
{
return;
}
session.MessageStream.Position = 0;
Mail_Message relayMessage = Mail_Message.ParseFromStream(session.MessageStream);
RelayVariablesManager variablesMgr = new RelayVariablesManager(this, session, error, relayMessage);
ServerReturnMessage messageTemplate = this.UndeliveredMessage;
if (messageTemplate == null)
{
string bodyRtf = "" +
"{\\rtf1\\ansi\\ansicpg1252\\deff0\\deflang1033{\\fonttbl{\\f0\\fswiss\\fprq2\\fcharset0 Verdana;}{\\f1\\fswiss\\fprq2\\fcharset186 Verdana;}{\\f2\\fnil\\fcharset0 Verdana;}{\\f3\\fnil\\fcharset186 Verdana;}{\\f4\\fswiss\\fcharset0 Arial;}{\\f5\\fswiss\\fcharset186{\\*\\fname Arial;}Arial Baltic;}}\r\n" +
"{\\colortbl ;\\red0\\green64\\blue128;\\red255\\green0\\blue0;\\red0\\green128\\blue0;}\r\n" +
"\\viewkind4\\uc1\\pard\\f0\\fs20 Your message t\\lang1061\\f1 o \\cf1\\lang1033\\f2 <#relay.to>\\cf0\\f0 , dated \\b\\fs16 <#message.header[\"Date:\"]>\\b0\\fs20 , could not be delivered.\\par\r\n" +
"\\par\r\n" +
"Recipient \\i <#relay.to>'\\i0 s Server (\\cf1 <#relay.session_hostname>\\cf0 ) returned the following response: \\cf2 <#relay.error>\\cf0\\par\r\n" +
"\\par\r\n" +
"\\par\r\n" +
"\\b * Server will not attempt to deliver this message anymore\\b0 .\\par\r\n" +
"\\par\r\n" +
"--------\\par\r\n" +
"\\par\r\n" +
"Your original message is attached to this e-mail (\\b data.eml\\b0 )\\par\r\n" +
"\\par\r\n" +
"\\fs16 The tracking number for this message is \\cf3 <#relay.session_messageid>\\cf0\\fs20\\par\r\n" +
"\\lang1061\\f5\\par\r\n" +
"\\lang1033\\f2\\par\r\n" +
"}\r\n";
messageTemplate = new ServerReturnMessage("Undelivered notice: <#message.header[\"Subject:\"]>", bodyRtf);
}
string rtf = variablesMgr.Process(messageTemplate.BodyTextRtf);
Mail_Message dsnMessage = DeliveryStatusNotification.CreateDsnMessage(
session.From,
variablesMgr.Process(messageTemplate.Subject),
rtf,
relayInfo.EnvelopeID,
relayInfo.Date,
null,
(session.IsConnected && string.IsNullOrEmpty(session.LocalHostName)) ? session.LocalEndPoint.Address.ToString() : session.LocalHostName,
relayInfo.OriginalRecipient,
session.To,
"failed",
error,
session.RemoteHostName,
DateTime.Now,
DateTime.MinValue,
(relayInfo.DSN_Ret == SMTP_DSN_Ret.NotSpecified) ? SMTP_DSN_Ret.FullMessage : relayInfo.DSN_Ret,
relayMessage
);
using (MemoryStream strm = new MemoryStream()){
dsnMessage.ToStream(strm, new MIME_Encoding_EncodedWord(MIME_EncodedWordEncoding.Q, Encoding.UTF8), Encoding.UTF8);
m_pVirtualServer.ProcessAndStoreMessage("", new string[] { session.From }, strm, null);
}
relayMessage.Dispose();
dsnMessage.Dispose();
}
catch (Exception x) {
LumiSoft.MailServer.Error.DumpError(m_pVirtualServer.Name, x);
}
}
