public void ProcessRequest(HttpContext hcHttpContext)
{
StringBuilder sbOutputString;
int nStatusCode = 30;
string szMessage = "";
string szHashDigest;
TransactionResult trTransactionResult;
string szUpdateOrderMessage;
sbOutputString = new StringBuilder();
try
{
if (!PaymentFormHelper.GetTransactionResultFromPostVariables(hcHttpContext.Request.Form, out trTransactionResult, out szHashDigest, out szMessage))
{
nStatusCode = 30;
}
else
{
if (!PaymentFormHelper.ReportTransactionResults(trTransactionResult,
out szUpdateOrderMessage))
{
nStatusCode = 30;
szMessage = szMessage + szUpdateOrderMessage;
}
else
{
nStatusCode = 0;
}
}
}
catch (Exception exc)
{
nStatusCode = 30;
szMessage = exc.Message;
}
finally
{
if (nStatusCode != 0 &&
String.IsNullOrEmpty(szMessage))
{
szMessage = "Unknown error";
}
}
hcHttpContext.Response.ContentType = "text/plain";
sbOutputString.AppendFormat("StatusCode={0}&Message={1}", nStatusCode, szMessage);
hcHttpContext.Response.Write(sbOutputString.ToString());
}
void Application_Start(object sender, EventArgs e)
{
// Code that runs on application startup
// get the MerchantID and Password from the config file
m_szMerchantID = ConfigurationManager.AppSettings["MerchantID"];
m_szPassword = ConfigurationManager.AppSettings["Password"];
// get the PaymentProcessorDomain
m_szPaymentProcessorDomain = ConfigurationManager.AppSettings["PaymentProcessorDomain"];
// get the PreSharedKey
m_szPreSharedKey = ConfigurationManager.AppSettings["PreSharedKey"];
// get the HashMethod
m_hmHashMethod = PaymentFormHelper.GetHashMethod(ConfigurationManager.AppSettings["HashMethod"]);
// get the ResultDeliveryMethod
m_rdmResultDeliveryMethod = PaymentFormHelper.GetResultDeliveryMethod(ConfigurationManager.AppSettings["ResultDeliveryMethod"]);
}
protected void Page_Load(object sender, EventArgs e)
{
string szStringToHash;
m_szMerchantID = Global.MerchantID;
m_szResultDeliveryMethod = PaymentFormHelper.GetResultDeliveryMethod(Global.ResultDeliveryMethod);
m_szFormAction = "https://mms." + Global.PaymentProcessorDomain + "/Pages/PublicPages/PaymentForm.aspx";
// the amount in *minor* currency (i.e. £10.00 passed as "1000")
m_szAmount = Convert.ToString(1000);
// the currency - ISO 4217 3-digit numeric (e.g. GBP = 826)
m_szCurrencyCode = Convert.ToString(826);
// order ID
m_szOrderID = "Order-1234";
// the transaction type - can be SALE or PREAUTH
m_szTransactionType = "SALE";
// the GMT/UTC relative date/time for the transaction (MUST either be in GMT/UTC
// or MUST include the correct timezone offset)
m_szTransactionDateTime = DateTime.Now.ToString("yyyy-MM-dd HH:mm:ss zzz");
// order description
m_szOrderDescription = "Teste";
// these variables allow the payment form to be "seeded" with initial values
m_szCustomerName = "Felipe";
m_szAddress1 = "14 Some Address";
m_szAddress2 = "";
m_szAddress3 = "";
m_szAddress4 = "";
m_szCity = "Some City";
m_szState = "Some State";
m_szPostCode = "PO57 0DE";
// the country code - ISO 3166-1 3-digit numeric (e.g. UK = 826)
m_szCountryCode = Convert.ToString(826);
// use these to control which fields on the hosted payment form are
// mandatory
m_szCV2Mandatory = Convert.ToString(true);
m_szAddress1Mandatory = Convert.ToString(false);
m_szCityMandatory = Convert.ToString(false);
m_szPostCodeMandatory = Convert.ToString(false);
m_szStateMandatory = Convert.ToString(false);
m_szCountryMandatory = Convert.ToString(false);
// the URL on this system that the payment form will push the results to (only applicable for
// ResultDeliveryMethod = "SERVER")
if (Global.ResultDeliveryMethod != RESULT_DELIVERY_METHOD.SERVER)
{
m_szServerResultURL = "";
}
else
{
m_szServerResultURL = PaymentFormHelper.GetSiteSecureBaseURL(Request) + "ReceiveTransactionResult.aspx";
}
// set this to true if you want the hosted payment form to display the transaction result
// to the customer (only applicable for ResultDeliveryMethod = "SERVER")
if (Global.ResultDeliveryMethod != RESULT_DELIVERY_METHOD.SERVER)
{
m_szPaymentFormDisplaysResult = "";
}
else
{
m_szPaymentFormDisplaysResult = Convert.ToString(false);
}
// set this to true if you want the customer to be able to cancel the transaction process once they
// are on the payment form
m_szDisplayCancelButton = Convert.ToString(false);
// the callback URL on this site that will display the transaction result to the customer
// (always required unless ResultDeliveryMethod = "SERVER" and PaymentFormDisplaysResult = "true")
if (Global.ResultDeliveryMethod == RESULT_DELIVERY_METHOD.SERVER &&
Convert.ToBoolean(m_szPaymentFormDisplaysResult) &&
!Convert.ToBoolean(m_szDisplayCancelButton))
{
m_szCallbackURL = "";
}
else
{
m_szCallbackURL = PaymentFormHelper.GetSiteSecureBaseURL(Request) + "DisplayTransactionResult.aspx?MyVariable=1234";
}
// get the string to be hashed
szStringToHash = PaymentFormHelper.GenerateStringToHash(Global.MerchantID,
Global.Password,
m_szAmount,
m_szCurrencyCode,
m_szOrderID,
m_szTransactionType,
m_szTransactionDateTime,
m_szDisplayCancelButton,
m_szCallbackURL,
m_szOrderDescription,
m_szCustomerName,
m_szAddress1,
m_szAddress2,
m_szAddress3,
m_szAddress4,
m_szCity,
m_szState,
m_szPostCode,
m_szCountryCode,
m_szCV2Mandatory,
m_szAddress1Mandatory,
m_szCityMandatory,
m_szPostCodeMandatory,
m_szStateMandatory,
m_szCountryMandatory,
PaymentFormHelper.GetResultDeliveryMethod(Global.ResultDeliveryMethod),
m_szServerResultURL,
m_szPaymentFormDisplaysResult,
Global.PreSharedKey,
Global.HashMethod);
// pass this string into the hash function to create the hash digest
m_szHashDigest = PaymentFormHelper.CalculateHashDigest(szStringToHash,
Global.PreSharedKey,
Global.HashMethod);
lbAmount.Text = m_szAmount;
lbCurrency.Text = m_szCurrencyCode;
lbOrderID.Text = m_szOrderID;
lbOrderDescription.Text = m_szOrderDescription;
}
protected void Page_Load(object sender, EventArgs e)
{
TransactionResult trTransactionResult;
string szMessage;
string szMessageClass;
bool boResultValidationSuccessful;
string szValidateErrorMessage;
bool boDuplicateTransaction;
string szPreviousTransactionMessage;
string szPaymentFormResultHandler;
string szOutputMessage;
// what we do here depends on the ResultDeliveryMethod
boDuplicateTransaction = false;
szPreviousTransactionMessage = "";
boResultValidationSuccessful = false;
szValidateErrorMessage = null;
trTransactionResult = null;
// check if transaction was cancelled
if (Request.QueryString["StatusCode"] != null && Request.QueryString["StatusCode"] == "25")
{
// validate cancel result
boResultValidationSuccessful = PaymentFormHelper.ValidateTransactionResult_CANCEL(Global.MerchantID,
Global.Password,
Global.PreSharedKey,
Global.HashMethod,
Request.QueryString,
out trTransactionResult,
out szValidateErrorMessage);
// the results need to be stored here as this is the first time
// they will have touched this system
if (boResultValidationSuccessful)
{
if (!PaymentFormHelper.ReportTransactionResults(trTransactionResult, out szOutputMessage))
{
// handle the case where the results aren't stored correctly
}
}
}
else
{
switch (Global.ResultDeliveryMethod)
{
case RESULT_DELIVERY_METHOD.POST:
// the results will be delivered via POST variables to this
// page
boResultValidationSuccessful = PaymentFormHelper.ValidateTransactionResult_POST(Global.MerchantID,
Global.Password,
Global.PreSharedKey,
Global.HashMethod,
Request.Form,
out trTransactionResult,
out szValidateErrorMessage);
// the results need to be stored here as this is the first time
// they will have touched this system
if (boResultValidationSuccessful)
{
if (!PaymentFormHelper.ReportTransactionResults(trTransactionResult, out szOutputMessage))
{
// handle the case where the results aren't stored correctly
}
}
break;
case RESULT_DELIVERY_METHOD.SERVER:
// the results have already been delivered via a server-to-server
// call from the payment form to the ServerResultURL
// need to query these transaction results to display
boResultValidationSuccessful = PaymentFormHelper.ValidateTransactionResult_SERVER(Global.MerchantID,
Global.Password,
Global.PreSharedKey,
Global.HashMethod,
Request.QueryString,
out trTransactionResult,
out szValidateErrorMessage);
break;
case RESULT_DELIVERY_METHOD.SERVER_PULL:
// need to query the results from the payment form using the passed
// cross reference
szPaymentFormResultHandler = "https://mms." + Global.PaymentProcessorDomain + "/Pages/PublicPages/PaymentFormResultHandler.ashx";
boResultValidationSuccessful = PaymentFormHelper.ValidateTransactionResult_SERVER_PULL(Global.MerchantID,
Global.Password,
Global.PreSharedKey,
Global.HashMethod,
Request.QueryString,
szPaymentFormResultHandler,
out trTransactionResult,
out szValidateErrorMessage);
// the results need to be stored here as this is the first time
// they will have touched this system
if (boResultValidationSuccessful)
{
if (!PaymentFormHelper.ReportTransactionResults(trTransactionResult, out szOutputMessage))
{
// handle the case where the results aren't stored correctly
}
}
break;
}
}
// display an error message if the transaction result couldn't be validated
if (!boResultValidationSuccessful)
{
szMessageClass = "ErrorMessage";
szMessage = szValidateErrorMessage;
}
else
{
switch (trTransactionResult.StatusCode)
{
case 0:
szMessageClass = "SuccessMessage";
break;
case 4:
szMessageClass = "ErrorMessage";
break;
case 5:
szMessageClass = "ErrorMessage";
break;
case 20:
boDuplicateTransaction = true;
if (trTransactionResult.PreviousStatusCode.Value == 0)
{
szMessageClass = "SuccessMessage";
}
else
{
szMessageClass = "ErrorMessage";
}
szPreviousTransactionMessage = trTransactionResult.PreviousMessage;
break;
case 25:
szMessageClass = "ErrorMessage";
break;
case 30:
szMessageClass = "ErrorMessage";
break;
default:
szMessageClass = "ErrorMessage";
break;
}
szMessage = trTransactionResult.Message;
}
lbMessage.Text = szMessage;
pnMessagePanel.CssClass = szMessageClass;
if (boDuplicateTransaction)
{
pnDuplicateTransactionPanel.Visible = true;
lbPreviousTransactionMessage.Text = szPreviousTransactionMessage;
}
}
