private static XElement GenerateAutoResponse(string guid, MFEPMessage <PaymentNotificationTransaction> deserializedRequest, string fileGuid)
{
XElement serializedResponse = null;
MFEPMessage <PaymentNotificationTransaction> deserializedResponse = new MFEPMessage <PaymentNotificationTransaction>();
deserializedResponse.Header.TimeStamp = DateTime.Now.ToString("s");
deserializedResponse.Header.Guid = guid;
deserializedResponse.Header.TransmitInfo = new TransmitInfo()
{
SenderCode = deserializedRequest.Header.TransmitInfo.ReceiverCode,
ResponseType = ProcessesCodes.BLRPMTNTFRS
};
deserializedResponse.Header.Result = new Result();
PaymentNotificationTransaction transaction = new PaymentNotificationTransaction
{
Transactions = new Collection <PaymentNotificationEntity>()
};
foreach (PaymentNotificationEntity paymentNotificationEntity in deserializedRequest.Body.Transactions)
{
PaymentNotificationEntity notificationEntity = new PaymentNotificationEntity
{
JOEBPPSTrx = paymentNotificationEntity.JOEBPPSTrx,
ProcessDate = paymentNotificationEntity.ProcessDate,
STMTDate = paymentNotificationEntity.STMTDate,
Result = new Result()
};
transaction.Transactions.Add(notificationEntity);
}
deserializedResponse.Body = transaction;
XElement pmtResponse = deserializedResponse.ToXElement <MFEPMessage <PaymentNotificationTransaction> >();
string signatureValue = string.Empty;
if (EnableSecuity)
{
signatureValue = CertificateManager.SignMessage(pmtResponse, new Collection <string>()
{
".//MsgBody"
}, BillerCertificateSerialNumber, (SignMode)Enum.Parse(typeof(SignMode), SecurityMode));
}
deserializedResponse.Footer = new MFEPFooter()
{
Security =
new Security()
{
Signature = signatureValue
}
};
serializedResponse = deserializedResponse.ToXElement <MFEPMessage <PaymentNotificationTransaction> >();
WriteToPhysicalPath(serializedResponse, SuccessPMTNotiResponsePath, fileGuid);
return(serializedResponse);
}
public XElement ReceivePaymentNotification(string guid, XElement paymentNotification)
{
MFEPMessage <PaymentNotificationTransaction> deserializedResponse = new MFEPMessage <PaymentNotificationTransaction>();
XElement serializedResponse = null;
string fileName = Guid.NewGuid().ToString();
try
{
MFEPMessage <PaymentNotificationTransaction> deserializedRequest = paymentNotification.FromXElement <MFEPMessage <PaymentNotificationTransaction> >();
deserializedResponse.Header.TimeStamp = DateTime.Now.ToString("s");
deserializedResponse.Header.Guid = guid;
deserializedResponse.Header.TransmitInfo = new TransmitInfo()
{
SenderCode = deserializedRequest.Header.TransmitInfo.ReceiverCode,
ResponseType = ProcessesCodes.BLRPMTNTFRS
};
deserializedResponse.Header.Result = new Result();
fileName = deserializedRequest.Body.Transactions[0].ServiceType.SrvsTypValue.ToString() + fileName;
if (!IsTestReponse)
{
// Verifying
if (EnableSecuity)
{
if (deserializedRequest == null || deserializedRequest.Footer.Security == null || deserializedRequest.Footer.Security.Signature == null || string.IsNullOrWhiteSpace(deserializedRequest.Footer.Security.Signature.Trim()))
{
Result result = new Result();
result.ErrorCode = (int)ServiceErrors.InvalidSignature;
result.ErrorDesc = ServiceErrors.InvalidSignature.ToString();
result.Severity = Severity.Error;
deserializedResponse.Header.Result = result;
WriteToPhysicalPath(paymentNotification, FailedPMTNotiRequestPath, fileName); // Write to failed notifications
serializedResponse = deserializedResponse.ToXElement <MFEPMessage <PaymentNotificationTransaction> >();
WriteToPhysicalPath(serializedResponse, FailedPMTNotiResponsePath, fileName);
return(serializedResponse);
}
else
{
VerifyMode verifyMode = VerifyMode.WithFormat;
if (SecurityMode.Equals("WithOutFormat", StringComparison.CurrentCultureIgnoreCase))
{
verifyMode = VerifyMode.WithOutFormat;
}
Collection <string> xPath = new Collection <string> {
XPath
};
bool verifiedSuccessfully = CertificateManager.VerifyMessageSignature(paymentNotification, xPath, deserializedRequest.Footer.Security.Signature, BillerCertificateSerialNumber, verifyMode);
if (!verifiedSuccessfully)
{
Result result = new Result();
result.ErrorCode = (int)ServiceErrors.InvalidSignature;
result.ErrorDesc = ServiceErrors.InvalidSignature.ToString();
result.Severity = Severity.Error;
deserializedResponse.Header.Result = result;
WriteToPhysicalPath(paymentNotification, FailedPMTNotiRequestPath, fileName); // Write to failed notifications
serializedResponse = deserializedResponse.ToXElement <MFEPMessage <PaymentNotificationTransaction> >();
WriteToPhysicalPath(serializedResponse, FailedPMTNotiResponsePath, fileName);
return(serializedResponse);
}
}
}
// Validation
// Validate MFEP code
if (deserializedRequest.Header.TransmitInfo.SenderCode != MFEPCode)
{
Result result = new Result();
result.ErrorCode = (int)ServiceErrors.InvalidSenderCode;
result.ErrorDesc = ServiceErrors.InvalidSenderCode.ToString();
result.Severity = Severity.Error;
deserializedResponse.Header.Result = result;
WriteToPhysicalPath(paymentNotification, FailedPMTNotiRequestPath, fileName); // Write to failed notifications
serializedResponse = deserializedResponse.ToXElement <MFEPMessage <PaymentNotificationTransaction> >();
WriteToPhysicalPath(serializedResponse, FailedPMTNotiResponsePath, fileName);
return(serializedResponse);
}
// Validate Biller code
if (deserializedRequest.Header.TransmitInfo.ReceiverCode != BillerCode)
{
Result result = new Result();
result.ErrorCode = (int)ServiceErrors.UnsuccessfulPaymentNotification;
result.ErrorDesc = ServiceErrors.UnsuccessfulPaymentNotification.ToString();
result.Severity = Severity.Error;
deserializedResponse.Header.Result = result;
WriteToPhysicalPath(paymentNotification, FailedPMTNotiRequestPath, fileName); // Write to failed notifications
serializedResponse = deserializedResponse.ToXElement <MFEPMessage <PaymentNotificationTransaction> >();
WriteToPhysicalPath(serializedResponse, FailedPMTNotiResponsePath, fileName);
return(serializedResponse);
}
// if the serviceType is IndividualSecurity then insert it to database otherwise just write it ti physical directory
if (ServiceType.Equals(deserializedRequest.Body.Transactions[0].ServiceType.SrvsTypValue.ToString(), StringComparison.CurrentCultureIgnoreCase))
{
// Insert this payment
DAL dal = new DAL();
dal.InsertPaymentNotification(deserializedRequest.Body.Transactions[0].AccountInfo.BillingNumber);
}
PaymentNotificationTransaction transaction = new PaymentNotificationTransaction
{
Transactions = new Collection <PaymentNotificationEntity>()
};
foreach (PaymentNotificationEntity pne in deserializedRequest.Body.Transactions)
{
PaymentNotificationEntity notificationEntity = new PaymentNotificationEntity
{
JOEBPPSTrx = pne.JOEBPPSTrx,
ProcessDate = pne.ProcessDate,
STMTDate = pne.STMTDate,
Result = new Result()
};
transaction.Transactions.Add(notificationEntity);
}
deserializedResponse.Body = transaction;
// Sign the response
if (EnableSecuity)
{
SignMode signMode = SignMode.WithFormat;
if (SecurityMode.Equals("WithOutFormat", StringComparison.CurrentCultureIgnoreCase))
{
signMode = SignMode.WithOutFormat;
}
Collection <string> xPath = new Collection <string> {
XPath
};
deserializedResponse.Footer = new MFEPFooter();
deserializedResponse.Footer.Security.Signature = CertificateManager.SignMessage(deserializedResponse.ToXElement <MFEPMessage <PaymentNotificationTransaction> >(), xPath, BillerCertificateSerialNumber, signMode);
}
else
{
deserializedResponse.Footer = new MFEPFooter();
}
WriteToPhysicalPath(paymentNotification, SuccessPMTNotiRequestPath, fileName); // Write to success notifications
serializedResponse = deserializedResponse.ToXElement <MFEPMessage <PaymentNotificationTransaction> >();
WriteToPhysicalPath(serializedResponse, SuccessPMTNotiResponsePath, fileName);
return(serializedResponse);
}
else
{
return(GenerateAutoResponse(guid, deserializedRequest, guid));
}
}
catch (Exception exception)
{
string ex = exception.Message + "\n" + exception.StackTrace;
WriteException(ex, ExceptionPath);
Result result = new Result();
result.ErrorCode = (int)ServiceErrors.InternalError;
result.ErrorDesc = ServiceErrors.InternalError.ToString();
result.Severity = Severity.Error;
deserializedResponse.Header.Result = result;
WriteToPhysicalPath(paymentNotification, FailedPMTNotiRequestPath, fileName); // Write to success notifications
serializedResponse = deserializedResponse.ToXElement <MFEPMessage <PaymentNotificationTransaction> >();
WriteToPhysicalPath(serializedResponse, FailedPMTNotiResponsePath, fileName);
return(serializedResponse);
}
}
