//public IActionResult PayGateNotifyHandler(IFormCollection form)
public void PayGateNotifyHandler(IFormCollection form)
{
/**
* Enable IPN if it is set
*/
if (_payGatePaymentSettings.EnableIpn)
{
Response.WriteAsync("OK");
var reference = Request.Query["pgnopcommerce"];
bool isPaid;
_logger.Information("PayGateNotifyHandler start. Order no.: " + reference);
//var order = _orderService.GetOrderById(Int32.Parse(Request.Query["pgnopcommerce"]));
var order = _orderService.GetOrderById(Int32.Parse(Request.Form["USER1"]));
_logger.Information("PayGateNotifyHandler: Order Payment Status: " + order.PaymentStatus);
isPaid = order.PaymentStatus == PaymentStatus.Paid ? true : false;
if (!isPaid)
{
var sBuilder = new StringBuilder();
var query_status = PaymentStatus.Pending;
var payrequestId = "";
var transactionStatus = "";
var testMode = _payGatePaymentSettings.TestMode;
var paygateId = "10011072130";
var encryptionKey = "secret";
if (!testMode)
{
paygateId = _payGatePaymentSettings.PayGateID;
encryptionKey = _payGatePaymentSettings.EncryptionKey;
}
//Validate checksum for the posted form fields
var formData = new NameValueCollection();
var formDataJS = "";
string[] keys = Request.Form.Keys.ToArray();
for (int i = 0; i < keys.Length; i++)
{
formData[keys[i]] = Request.Form[keys[i]];
formDataJS += keys[i] + "=" + formData[keys[i]] + "&";
}
_logger.Information("PayGateNotifyHandler: POST: " + formDataJS);
var checksum = formData["CHECKSUM"];
var checkstring = "";
for (var i = 0; i < formData.Count - 1; i++)
{
checkstring += formData[i];
}
checkstring += encryptionKey;
var ourChecksum = new PayGateHelper().CalculateMD5Hash(checkstring);
if (ourChecksum.Equals(checksum, StringComparison.OrdinalIgnoreCase))
{
var trans_status = formData["TRANSACTION_STATUS"];
transactionStatus = trans_status;
var query_status_desc = "";
payrequestId = formData["PAY_REQUEST_ID"];
switch (trans_status)
{
case "1":
query_status = PaymentStatus.Paid;
query_status_desc = "Approved";
break;
case "2":
query_status = PaymentStatus.Voided;
query_status_desc = "Declined";
break;
case "4":
query_status = PaymentStatus.Voided;
query_status_desc = "Cancelled By Customer with back button on payment page";
break;
case "0":
query_status = PaymentStatus.Voided;
query_status_desc = "Not Done";
break;
default:
break;
}
sBuilder.AppendLine("PayGate Notify Handler");
sBuilder.AppendLine("PayGate Query Data");
sBuilder.AppendLine("=======================");
sBuilder.AppendLine("PayGate Transaction_Id: " + formData["TRANSACTION_ID"]);
sBuilder.AppendLine("PayGate Status Desc: " + query_status_desc);
sBuilder.AppendLine("");
//order note
order.OrderNotes.Add(new OrderNote
{
Note = sBuilder.ToString(),//sbbustring.Format("Order status has been changed to {0}", PaymentStatus.Paid),
DisplayToCustomer = false,
CreatedOnUtc = DateTime.UtcNow
});
_orderService.UpdateOrder(order);
//load settings for a chosen store scope
var storeScope = this.GetActiveStoreScopeConfiguration(_storeService, _workContext);
var payGatePaymentSettings = _settingService.LoadSetting <PayGatePaymentSettings>(storeScope);
//mark order as paid
if (query_status == PaymentStatus.Paid)
{
if (_orderProcessingService.CanMarkOrderAsPaid(order))
{
order.AuthorizationTransactionId = payrequestId;
_orderService.UpdateOrder(order);
_orderProcessingService.MarkOrderAsPaid(order);
}
RedirectToRoute("CheckoutCompleted", new { orderId = order.Id });
}
else
{
order.AuthorizationTransactionId = payrequestId;
OrderNote note = new OrderNote();
note.CreatedOnUtc = DateTime.Now;
note.DisplayToCustomer = true;
note.Note = "Payment failed with the following description: " + transactionStatus;
if (_orderProcessingService.CanCancelOrder(order))
{
_orderProcessingService.CancelOrder(order, false);
}
order.OrderNotes.Add(note);
_orderService.UpdateOrder(order);
RedirectToRoute("OrderDetails", new { orderId = order.Id.ToString().Trim() });
}
}
else
{
_logger.Error("PayGateNotifyHandler: Checksum mismatch: " + ourChecksum + " : " + checksum);
}
}
}
}
public IActionResult PayGateReturnHandler(IFormCollection form)
{
var reference = Request.Query["pgnopcommerce"];
var isPaid = false;
var isqueried = false;
_logger.Information("PayGateReturnHandler start. Order no.: " + reference);
string[] keys = Request.Form.Keys.ToArray();
var verified = false;
var testMode = _payGatePaymentSettings.TestMode;
var paygateId = "10011072130";
var encryptionKey = "secret";
if (!testMode)
{
paygateId = _payGatePaymentSettings.PayGateID;
encryptionKey = _payGatePaymentSettings.EncryptionKey;
}
//Process form data into name value collection
var formData = new NameValueCollection();
var formDataJS = "";
for (int i = 0; i < keys.Length; i++)
{
formData[keys[i]] = Request.Form[keys[i]];
formDataJS += keys[i] + "=" + formData[keys[i]] + "&";
}
var order = _orderService.GetOrderById(Int32.Parse(Request.Query["pgnopcommerce"]));
isPaid = order.PaymentStatus == PaymentStatus.Paid ? true : false;
_logger.Information("PayGateReturnHandler: Order Payment Status: " + order.PaymentStatus);
_logger.Information("PayGateReturnHandler: POST: " + formDataJS);
/**
* Enable Redirect if set, or as deafult if neither is set
*/
if (_payGatePaymentSettings.EnableRedirect || (!_payGatePaymentSettings.EnableRedirect && !_payGatePaymentSettings.EnableIpn))
{
//First check that returned checksum is correct before proceeding any further
var transactionStatus = formData["TRANSACTION_STATUS"];
var payrequestId = formData["PAY_REQUEST_ID"];
var checksum = formData["CHECKSUM"];
var checkstring = paygateId + payrequestId + transactionStatus + reference + encryptionKey;
var ourChecksum = new PayGateHelper().CalculateMD5Hash(checkstring);
if (ourChecksum.Equals(checksum, StringComparison.OrdinalIgnoreCase))
{
verified = true;
}
_logger.Information("PayGateReturnHandler: Order " + reference + " Checksum Status: " + (verified ? "matched" : "not matched"));
if (order.PaymentStatus == PaymentStatus.Paid)
{
_logger.Information("PayGateReturnHandler: Order no. " + reference + " is already paid");
return(RedirectToRoute("CheckoutCompleted", new { orderId = order.Id }));
}
if (verified)
{
var sBuilder = new StringBuilder();
var query_status = PaymentStatus.Pending;
using (var client = new System.Net.WebClient())
{
var queryData = new NameValueCollection();
queryData["PAYGATE_ID"] = paygateId;
queryData["PAY_REQUEST_ID"] = payrequestId;
queryData["REFERENCE"] = reference;
string queryValues = string.Join("", queryData.AllKeys.Select(key => queryData[key]));
queryData["CHECKSUM"] = new PayGateHelper().CalculateMD5Hash(queryValues + _payGatePaymentSettings.EncryptionKey);
var cnt = 0;
Dictionary <string, string> dict = null;
var responseString = "";
if (!isqueried && cnt < 5)
{
var response = client.UploadValues("https://secure.paygate.co.za/payweb3/query.trans", queryData);
responseString = Encoding.Default.GetString(response);
dict =
responseString.Split('&')
.Select(x => x.Split('='))
.ToDictionary(y => y[0], y => y[1]);
if (dict.Count > 0 && dict.ContainsKey("TRANSACTION_STATUS"))
{
isqueried = true;
}
cnt++;
}
var dictJS = "";
foreach (var item in dict)
{
dictJS += item.Key + "=" + item.Value + "&";
}
_logger.Information("PayGateReturnHandler: QUERY: " + dictJS);
if (isqueried)
{
try
{
String trans_status = dict["TRANSACTION_STATUS"].ToString();
String query_status_desc = "";
switch (trans_status)
{
case "1":
query_status = PaymentStatus.Paid;
query_status_desc = "Approved";
break;
case "2":
query_status = PaymentStatus.Voided;
query_status_desc = "Declined";
break;
case "4":
query_status = PaymentStatus.Voided;
query_status_desc = "Cancelled By Customer with back button on payment page";
break;
case "0":
query_status = PaymentStatus.Voided;
query_status_desc = "Not Done";
break;
default:
break;
}
sBuilder.AppendLine("PayGate Return Handler");
sBuilder.AppendLine("PayGate Query Data");
sBuilder.AppendLine("=======================");
sBuilder.AppendLine("PayGate Transaction_Id: " + dict["TRANSACTION_ID"]);
sBuilder.AppendLine("PayGate Status Desc: " + query_status_desc);
sBuilder.AppendLine("");
}
catch (Exception e)
{
sBuilder.AppendLine("PayGate Return Handler");
sBuilder.AppendLine("PayGate Query Data");
sBuilder.AppendLine("=======================");
sBuilder.AppendLine("PayGate Query Response: " + responseString);
sBuilder.AppendLine("");
}
}
else
{
sBuilder.AppendLine("PayGate Return Handler");
sBuilder.AppendLine("PayGate Return Data");
sBuilder.AppendLine("=======================");
sBuilder.AppendLine("PayGate PayRequestId: " + payrequestId);
sBuilder.AppendLine("PayGate Status Desc: " + transactionStatus);
sBuilder.AppendLine("PayGate Query Desc: Failed to get a response from the query");
}
}
//order note
order.OrderNotes.Add(new OrderNote
{
Note = sBuilder.ToString(),//sbbustring.Format("Order status has been changed to {0}", PaymentStatus.Paid),
DisplayToCustomer = false,
CreatedOnUtc = DateTime.UtcNow
});
_orderService.UpdateOrder(order);
//load settings for a chosen store scope
var storeScope = this.GetActiveStoreScopeConfiguration(_storeService, _workContext);
var payGatePaymentSettings = _settingService.LoadSetting <PayGatePaymentSettings>(storeScope);
//mark order as paid
if (query_status == PaymentStatus.Paid)
{
if (_orderProcessingService.CanMarkOrderAsPaid(order))
{
order.AuthorizationTransactionId = payrequestId;
_orderService.UpdateOrder(order);
_orderProcessingService.MarkOrderAsPaid(order);
}
_logger.Information("PayGateReturnHandler: Order marked paid");
return(RedirectToRoute("CheckoutCompleted", new { orderId = order.Id }));
}
else
{
order.AuthorizationTransactionId = payrequestId;
OrderNote note = new OrderNote();
note.CreatedOnUtc = DateTime.Now;
note.DisplayToCustomer = true;
note.Note = "Payment failed with the following description: " + transactionStatus;
_logger.Error("PayGateReturnHandler: Payment failed with the following description: " + transactionStatus);
if (_orderProcessingService.CanCancelOrder(order))
{
_orderProcessingService.CancelOrder(order, false);
}
order.OrderNotes.Add(note);
_orderService.UpdateOrder(order);
return(RedirectToRoute("OrderDetails", new { orderId = order.Id.ToString().Trim() }));
}
}
else
{
_logger.Error("PayGateReturnHandler: Checksum mismatch: " + ourChecksum + " : " + checksum);
OrderNote note = new OrderNote();
note.CreatedOnUtc = DateTime.Now;
note.DisplayToCustomer = true;
note.Note = "Payment failed: The checksum could not be verified";
if (_orderProcessingService.CanCancelOrder(order))
{
_orderProcessingService.CancelOrder(order, false);
}
order.OrderNotes.Add(note);
_orderService.UpdateOrder(order);
return(RedirectToRoute("OrderDetails", new { orderId = order.Id.ToString().Trim() }));
}
}
return(RedirectToRoute("OrderDetails", new { orderId = order.Id.ToString().Trim() }));
}