public string Verify(string transactionId)
{
PayPalStandardPaymentGateway gateway
= new PayPalStandardPaymentGateway(
CommerceConfig.PayPalStandardUrl,
CommerceConfig.PayPalStandardEmailAddress,
CommerceConfig.PayPalStandardPDTId);
gateway.TransactionId = transactionId;
return(gateway.ValidatePDT());
}
public string Verify(string ipnForm)
{
PayPalStandardPaymentGateway gateway
= new PayPalStandardPaymentGateway(
CommerceConfig.PayPalStandardUrl,
CommerceConfig.PayPalStandardEmailAddress,
CommerceConfig.PayPalStandardPDTId);
gateway.IPNForm = ipnForm;
return(gateway.ValidateIPN());
}
private void HandleRequest()
{
if (transactionId.Length == 0)
{
WebUtils.SetupRedirect(this, lastResortRedirectUrl);
return;
}
try
{
//Log the querystring in case we have to investigate
//Logger.Information(Request.QueryString.ToString());
transactionId = HttpUtility.UrlDecode(transactionId);
custom = HttpUtility.UrlDecode(custom);
string pdtResponse = Verify(transactionId);
if (pdtResponse.StartsWith("SUCCESS"))
{
string redirectUrl = string.Empty;
Guid logGuid = Guid.Empty;
if (custom.Length == 36)
{
logGuid = new Guid(custom);
}
PayPalLog standardCheckoutLog = new PayPalLog(logGuid);
if ((standardCheckoutLog != null) && (standardCheckoutLog.PDTProviderName.Length > 0))
{
PayPalPDTHandlerProvider provider
= PayPalPDTHandlerProviderManager.Providers[standardCheckoutLog.PDTProviderName];
if (provider != null)
{
redirectUrl = provider.HandleRequestAndReturnUrlForRedirect(
pdtResponse,
PayPalStandardPaymentGateway.GetPDTValues(pdtResponse),
transactionId,
standardCheckoutLog);
if (redirectUrl.Length > 0)
{
WebUtils.SetupRedirect(this, redirectUrl);
return;
}
else
{
// no redeirectUrl returned from provider
//TODO: what? log it?
WebUtils.SetupRedirect(this, lastResortRedirectUrl);
return;
}
}
else
{
// provider not found
//log it
PayPalLog unhandledLog = new PayPalLog();
unhandledLog.ProviderName = "unhandled";
unhandledLog.RawResponse = pdtResponse;
unhandledLog.Save();
log.Info("invalid ptd request no valid provider found " + Request.Url.ToString());
WebUtils.SetupRedirect(this, lastResortRedirectUrl);
return;
}
}
else
{
// provider not specified on StandardCheckoutLog
//TODO: what? log it?
PayPalLog unhandledLog = new PayPalLog();
unhandledLog.ProviderName = "unhandled";
unhandledLog.RawResponse = pdtResponse;
unhandledLog.Save();
log.Info("invalid ptd request no valid provider found " + Request.Url.ToString());
WebUtils.SetupRedirect(this, lastResortRedirectUrl);
return;
}
}
}
catch (Exception ex)
{
log.Error(ex);
//TODO: show generic error on the page
}
}
