/// <remarks>return 503 (HttpStatusCode.ServiceUnavailable) to ask paypal to resend it at later time again</remarks> public HttpStatusCode ProcessWebhook( PayPalApiSettingsBase settings, NameValueCollection headers, string rawJson, string providerSystemName) { if (rawJson.IsEmpty()) { return(HttpStatusCode.OK); } dynamic json = JObject.Parse(rawJson); var eventType = (string)json.event_type; //foreach (var key in headers.AllKeys)"{0}: {1}".FormatInvariant(key, headers[key]).Dump(); //string data = JsonConvert.SerializeObject(json, Formatting.Indented);data.Dump(); // validating against PayPal SDK failing using sandbox, so better we do not use it: //var apiContext = new global::PayPal.Api.APIContext //{ // AccessToken = "I do not have one here", // Config = new Dictionary<string, string> // { // { "mode", settings.UseSandbox ? "sandbox" : "live" }, // { "clientId", settings.ClientId }, // { "clientSecret", settings.Secret }, // { "webhook.id", setting.WebhookId }, // } //}; //var result = global::PayPal.Api.WebhookEvent.ValidateReceivedEvent(apiContext, headers, rawJson, webhookId); //} var paymentId = (string)json.resource.parent_payment; if (paymentId.IsEmpty()) { LogError(null, T("Plugins.cloudCommerce.PayPal.FoundOrderForPayment", 0, "".NaIfEmpty()), JsonConvert.SerializeObject(json, Formatting.Indented), isWarning: true); return(HttpStatusCode.OK); } var orders = _orderRepository.Value.Table .Where(x => x.PaymentMethodSystemName == providerSystemName && x.AuthorizationTransactionCode == paymentId) .ToList(); if (orders.Count != 1) { LogError(null, T("Plugins.cloudCommerce.PayPal.FoundOrderForPayment", orders.Count, paymentId), JsonConvert.SerializeObject(json, Formatting.Indented), isWarning: true); return(HttpStatusCode.OK); } var order = orders.First(); var store = _services.StoreService.GetStoreById(order.StoreId); var total = decimal.Zero; var currency = (string)json.resource.amount.currency; var primaryCurrency = store.PrimaryStoreCurrency.CurrencyCode; if (!primaryCurrency.IsCaseInsensitiveEqual(currency)) { LogError(null, T("Plugins.cloudCommerce.PayPal.CurrencyNotEqual", currency.NaIfEmpty(), primaryCurrency), JsonConvert.SerializeObject(json, Formatting.Indented), isWarning: true); return(HttpStatusCode.OK); } eventType = eventType.Substring(eventType.LastIndexOf('.') + 1); var newPaymentStatus = GetPaymentStatus(eventType, "authorization", order.PaymentStatus); var isValidTotal = decimal.TryParse((string)json.resource.amount.total, NumberStyles.Currency, CultureInfo.InvariantCulture, out total); if (newPaymentStatus == PaymentStatus.Refunded && (Math.Abs(order.OrderTotal) - Math.Abs(total)) > decimal.Zero) { newPaymentStatus = PaymentStatus.PartiallyRefunded; } switch (newPaymentStatus) { case PaymentStatus.Pending: break; case PaymentStatus.Authorized: if (_orderProcessingService.CanMarkOrderAsAuthorized(order)) { _orderProcessingService.MarkAsAuthorized(order); } break; case PaymentStatus.Paid: if (_orderProcessingService.CanMarkOrderAsPaid(order)) { _orderProcessingService.MarkOrderAsPaid(order); } break; case PaymentStatus.Refunded: if (_orderProcessingService.CanRefundOffline(order)) { _orderProcessingService.RefundOffline(order); } break; case PaymentStatus.PartiallyRefunded: if (_orderProcessingService.CanPartiallyRefundOffline(order, Math.Abs(total))) { _orderProcessingService.PartiallyRefundOffline(order, Math.Abs(total)); } break; case PaymentStatus.Voided: if (_orderProcessingService.CanVoidOffline(order)) { _orderProcessingService.VoidOffline(order); } break; } AddOrderNote(settings, order, (string)ToInfoString(json), true); return(HttpStatusCode.OK); }
protected virtual void ProcessPayment(string orderNumber, string ipnInfo, PaymentStatus newPaymentStatus, decimal mcGross, string transactionId) { Guid orderNumberGuid; try { orderNumberGuid = new Guid(orderNumber); } catch { orderNumberGuid = Guid.Empty; } var order = _orderService.GetOrderByGuid(orderNumberGuid); if (order == null) { _logger.Error("PayPal IPN. Order is not found", new NopException(ipnInfo)); return; } //order note order.OrderNotes.Add(new OrderNote { Note = ipnInfo, DisplayToCustomer = false, CreatedOnUtc = DateTime.UtcNow }); _orderService.UpdateOrder(order); //validate order total if ((newPaymentStatus == PaymentStatus.Authorized || newPaymentStatus == PaymentStatus.Paid) && !Math.Round(mcGross, 2).Equals(Math.Round(order.OrderTotal, 2))) { var errorStr = $"PayPal IPN. Returned order total {mcGross} doesn't equal order total {order.OrderTotal}. Order# {order.Id}."; //log _logger.Error(errorStr); //order note order.OrderNotes.Add(new OrderNote { Note = errorStr, DisplayToCustomer = false, CreatedOnUtc = DateTime.UtcNow }); _orderService.UpdateOrder(order); return; } switch (newPaymentStatus) { case PaymentStatus.Authorized: if (_orderProcessingService.CanMarkOrderAsAuthorized(order)) _orderProcessingService.MarkAsAuthorized(order); break; case PaymentStatus.Paid: if (_orderProcessingService.CanMarkOrderAsPaid(order)) { order.AuthorizationTransactionId = transactionId; _orderService.UpdateOrder(order); _orderProcessingService.MarkOrderAsPaid(order); } break; case PaymentStatus.Refunded: var totalToRefund = Math.Abs(mcGross); if (totalToRefund > 0 && Math.Round(totalToRefund, 2).Equals(Math.Round(order.OrderTotal, 2))) { //refund if (_orderProcessingService.CanRefundOffline(order)) _orderProcessingService.RefundOffline(order); } else { //partial refund if (_orderProcessingService.CanPartiallyRefundOffline(order, totalToRefund)) _orderProcessingService.PartiallyRefundOffline(order, totalToRefund); } break; case PaymentStatus.Voided: if (_orderProcessingService.CanVoidOffline(order)) _orderProcessingService.VoidOffline(order); break; } }
public ActionResult IPNHandler() { byte[] param = Request.BinaryRead(Request.ContentLength); string strRequest = Encoding.ASCII.GetString(param); Dictionary <string, string> values; var processor = _paymentService.LoadPaymentMethodBySystemName("Payments.PayPalStandard") as PayPalStandardPaymentProcessor; if (processor == null || !processor.IsPaymentMethodActive(_paymentSettings) || !processor.PluginDescriptor.Installed) { throw new NopException("PayPal Standard module cannot be loaded"); } if (processor.VerifyIpn(strRequest, out values)) { #region values decimal mc_gross = decimal.Zero; try { mc_gross = decimal.Parse(values["mc_gross"], new CultureInfo("en-US")); } catch { } string payer_status = string.Empty; values.TryGetValue("payer_status", out payer_status); string payment_status = string.Empty; values.TryGetValue("payment_status", out payment_status); string pending_reason = string.Empty; values.TryGetValue("pending_reason", out pending_reason); string mc_currency = string.Empty; values.TryGetValue("mc_currency", out mc_currency); string txn_id = string.Empty; values.TryGetValue("txn_id", out txn_id); string txn_type = string.Empty; values.TryGetValue("txn_type", out txn_type); string rp_invoice_id = string.Empty; values.TryGetValue("rp_invoice_id", out rp_invoice_id); string payment_type = string.Empty; values.TryGetValue("payment_type", out payment_type); string payer_id = string.Empty; values.TryGetValue("payer_id", out payer_id); string receiver_id = string.Empty; values.TryGetValue("receiver_id", out receiver_id); string invoice = string.Empty; values.TryGetValue("invoice", out invoice); string payment_fee = string.Empty; values.TryGetValue("payment_fee", out payment_fee); #endregion var sb = new StringBuilder(); sb.AppendLine("Paypal IPN:"); foreach (KeyValuePair <string, string> kvp in values) { sb.AppendLine(kvp.Key + ": " + kvp.Value); } var newPaymentStatus = PaypalHelper.GetPaymentStatus(payment_status, pending_reason); sb.AppendLine("New payment status: " + newPaymentStatus); switch (txn_type) { case "recurring_payment_profile_created": //do nothing here break; case "recurring_payment": #region Recurring payment { Guid orderNumberGuid = Guid.Empty; try { orderNumberGuid = new Guid(rp_invoice_id); } catch { } var initialOrder = _orderService.GetOrderByGuid(orderNumberGuid); if (initialOrder != null) { var recurringPayments = _orderService.SearchRecurringPayments(initialOrderId: initialOrder.Id); foreach (var rp in recurringPayments) { switch (newPaymentStatus) { case PaymentStatus.Authorized: case PaymentStatus.Paid: { var recurringPaymentHistory = rp.RecurringPaymentHistory; if (!recurringPaymentHistory.Any()) { //first payment var rph = new RecurringPaymentHistory { RecurringPaymentId = rp.Id, OrderId = initialOrder.Id, CreatedOnUtc = DateTime.UtcNow }; rp.RecurringPaymentHistory.Add(rph); _orderService.UpdateRecurringPayment(rp); } else { //next payments var processPaymentResult = new ProcessPaymentResult(); processPaymentResult.NewPaymentStatus = newPaymentStatus; if (newPaymentStatus == PaymentStatus.Authorized) { processPaymentResult.AuthorizationTransactionId = txn_id; } else { processPaymentResult.CaptureTransactionId = txn_id; } _orderProcessingService.ProcessNextRecurringPayment(rp, processPaymentResult); } } break; } } //this.OrderService.InsertOrderNote(newOrder.OrderId, sb.ToString(), DateTime.UtcNow); _logger.Information("PayPal IPN. Recurring info", new NopException(sb.ToString())); } else { _logger.Error("PayPal IPN. Order is not found", new NopException(sb.ToString())); } } #endregion break; default: #region Standard payment { string orderNumber = string.Empty; values.TryGetValue("custom", out orderNumber); Guid orderNumberGuid = Guid.Empty; try { orderNumberGuid = new Guid(orderNumber); } catch { } var order = _orderService.GetOrderByGuid(orderNumberGuid); if (order != null) { //order note order.OrderNotes.Add(new OrderNote { Note = sb.ToString(), DisplayToCustomer = false, CreatedOnUtc = DateTime.UtcNow }); _orderService.UpdateOrder(order); switch (newPaymentStatus) { case PaymentStatus.Pending: { } break; case PaymentStatus.Authorized: { //validate order total if (Math.Round(mc_gross, 2).Equals(Math.Round(order.OrderTotal, 2))) { //valid if (_orderProcessingService.CanMarkOrderAsAuthorized(order)) { _orderProcessingService.MarkAsAuthorized(order); } } else { //not valid string errorStr = string.Format("PayPal IPN. Returned order total {0} doesn't equal order total {1}. Order# {2}.", mc_gross, order.OrderTotal, order.Id); //log _logger.Error(errorStr); //order note order.OrderNotes.Add(new OrderNote { Note = errorStr, DisplayToCustomer = false, CreatedOnUtc = DateTime.UtcNow }); _orderService.UpdateOrder(order); } } break; case PaymentStatus.Paid: { //validate order total if (Math.Round(mc_gross, 2).Equals(Math.Round(order.OrderTotal, 2))) { //valid if (_orderProcessingService.CanMarkOrderAsPaid(order)) { order.AuthorizationTransactionId = txn_id; _orderService.UpdateOrder(order); _orderProcessingService.MarkOrderAsPaid(order); } } else { //not valid string errorStr = string.Format("PayPal IPN. Returned order total {0} doesn't equal order total {1}. Order# {2}.", mc_gross, order.OrderTotal, order.Id); //log _logger.Error(errorStr); //order note order.OrderNotes.Add(new OrderNote { Note = errorStr, DisplayToCustomer = false, CreatedOnUtc = DateTime.UtcNow }); _orderService.UpdateOrder(order); } } break; case PaymentStatus.Refunded: { var totalToRefund = Math.Abs(mc_gross); if (totalToRefund > 0 && Math.Round(totalToRefund, 2).Equals(Math.Round(order.OrderTotal, 2))) { //refund if (_orderProcessingService.CanRefundOffline(order)) { _orderProcessingService.RefundOffline(order); } } else { //partial refund if (_orderProcessingService.CanPartiallyRefundOffline(order, totalToRefund)) { _orderProcessingService.PartiallyRefundOffline(order, totalToRefund); } } } break; case PaymentStatus.Voided: { if (_orderProcessingService.CanVoidOffline(order)) { _orderProcessingService.VoidOffline(order); } } break; default: break; } } else { _logger.Error("PayPal IPN. Order is not found", new NopException(sb.ToString())); } } #endregion break; } } else { _logger.Error("PayPal IPN failed.", new NopException(strRequest)); } //nothing should be rendered to visitor return(Content("")); }