我正在使用PayPal Rest API，更具体的PayPal .Net SDK用于我的项目，我非常喜欢它。
我的问题是，到目前为止，我无法从PayPal收到任何webhook通知。
注意：webhook模拟器确实有效，我的处理程序从PayPal正确接收json帖子。
以下是我采取的步骤：
成功创建新发票（使用我的paypal应用程序中的沙箱凭据）后，我将其发送到测试买家帐户。
我打开通知中的网址查看发票，然后使用买方测试帐户付款。
协调人和买家都会收到通知已成功支付发票的通知。
我的服务器什么都没发生。我的侦听器端点没有收到任何webhook事件请求。
我在应用的沙盒配置中有一个活跃的webhook事件监听器，可以跟踪所有可能的事件。
PayPal没有发生任何事件的原因是什么？
我还不想切换到IPN，并且定期从搜索结果中迭代发票列表也不是一种有效的选择。
更新
由于沙箱webhook事件服务器已启动并再次运行，因此我使用以下代码（c＃controller action）使其工作。注意从webhook模拟器发射的json体结构与支付发票后发送的结构不同。因此，我相应地从PayPal SDK扩展了WebHookEvt对象。
/// <summary>
/// PayPal Webhook handler
/// </summary>
/// <param name="evt"></param>
/// <returns></returns>
[HttpPost]
public ActionResult EventHandler(WebhookEvent evt) { // [System.Web.Http.FromBody]
string json = null;
Capture capture = null;
InvoiceObject invoiceObject = null;
InvoiceExt invoice = null;
WebHookEventCapture captureEvent = null;
WebHookEventInvoice invoiceEvent = null;
if (evt == null) {
return new HttpStatusCodeResult(HttpStatusCode.BadRequest);
} else {
this.logger.Debug(string.Format("***** Webhook event type [{0}] received from PayPal *****", evt.event_type));
logger.Debug(string.Format("Event id: {0}", evt.id));
logger.Debug(string.Format("Event create time: {0}", evt.create_time));
logger.Debug(string.Format("Event type: {0}", evt.event_type));
logger.Debug(string.Format("Event resource: {0}", evt.resource));
logger.Debug(string.Format("Event resource type: {0}", evt.resource_type));
logger.Debug(string.Format("Event summary: {0}", evt.summary));
using (Stream req = Request.InputStream) {
req.Seek(0, System.IO.SeekOrigin.Begin);
using (StreamReader sr = new StreamReader(req)) {
json = sr.ReadToEnd();
}
}
logger.Debug(string.Format("WebHook request json form PayPal: ***{0}***", json));
// Validate webhook event
bool isValid = WebhookEvent.ValidateReceivedEvent(new PayPalPaymentProvider(IPN_SANDBOX_MODE).Context, Request.Headers, json, WEBHOOK_ID_INVOICE_PAID);
logger.Debug(string.Format("Validating webhook event... Is valid = {0}", isValid ? "TRUE" : "FALSE"));
try {
if ("capture".Equals(evt.resource_type)) {
captureEvent = JsonConvert.DeserializeObject<WebHookEventCapture>(json);
capture = captureEvent.resource;
} else if ("invoices".Equals(evt.resource_type)) {
invoiceEvent = JsonConvert.DeserializeObject<WebHookEventInvoice>(json);
invoiceObject = invoiceEvent.resource;
invoice = invoiceObject.invoice;
}
//if (capture != null) {
// logger.Debug(string.Format("Capture amount: {0}", capture.amount));
// logger.Debug(string.Format("Capture create time: {0}", capture.create_time));
// logger.Debug(string.Format("Capture id: {0}", capture.id));
// logger.Debug(string.Format("Capture is final: {0}", capture.is_final_capture.HasValue ? capture.is_final_capture : false));
// logger.Debug(string.Format("Capture parent payment: {0}", capture.parent_payment));
// logger.Debug(string.Format("Capture state: {0}", capture.state));
// logger.Debug(string.Format("Capture transaction fee: {0}", capture.transaction_fee));
// logger.Debug(string.Format("Capture update time: {0}", capture.update_time));
//}
if (isValid && invoice != null) {
logger.Debug(string.Format("Invoice [{0}]", invoice));
logger.Debug(string.Format("Invoice id: [{0}]", invoice.id));
logger.Debug(string.Format("Invoice merchant memo: [{0}]", invoice.merchant_memo));
logger.Debug(string.Format("Invoice date: [{0}]", invoice.invoice_date));
logger.Debug(string.Format("Invoice status: [{0}]", invoice.status));
logger.Debug(string.Format("Invoice total amount: [{0}]", invoice.total_amount != null ? invoice.total_amount.currency + invoice.total_amount.value : "??"));
if (invoice.billingInfo != null) { // billing_info
foreach (var billingInfo in invoice.billingInfo) {
logger.Debug(string.Format("Invoice billing info address: {0}", billingInfo.address ?? new InvoiceAddress()));
logger.Debug(string.Format("Invoice billing info business name: {0}", billingInfo.business_name ?? "??"));
logger.Debug(string.Format("Invoice billing info email: {0}", billingInfo.email ?? "??"));
logger.Debug(string.Format("Invoice billing info first name: {0}", billingInfo.first_name ?? "??"));
logger.Debug(string.Format("Invoice billing info last name: {0}", billingInfo.last_name ?? "??"));
logger.Debug(string.Format("Invoice billing info language: {0}", billingInfo.language ?? "??"));
logger.Debug(string.Format("Invoice billing info notification channel: {0}", billingInfo.notification_channel ?? "??"));
logger.Debug(string.Format("Invoice billing info phone: {0}", billingInfo.phone ?? new Phone()));
}
}
// Update clientproductpayment
SubscriptionRepository db = new SubscriptionRepository();
var subscription = db.Context.ClientProductPayments.Where(
q => invoice.id.Equals(q.TransactionId)).FirstOrDefault();
if (subscription != null) {
logger.Debug(string.Format("Subscription (ClientProductPayment) with transaction_id = [{0}] found", invoice.id));
// Update subscription
db.RegisterPayment(subscription, invoice.id);
logger.Debug(string.Format(
"Subscription (ClientProductPayment) with id = [{0}] updated successfully with transaction id = [{1}]",
subscription.Id, invoice.id));
} else {
logger.Warn(string.Format("Subscription (ClientProductPayment) with transaction_id = [{0}] not found", invoice.id));
}
}
}
catch (Exception e) {
logger.Error(e.Message, e);
return new HttpStatusCodeResult(HttpStatusCode.BadRequest);
}
}
logger.Debug("Sending Http status code 200 response...");
return new HttpStatusCodeResult(HttpStatusCode.OK);
}
using Newtonsoft.Json;
using PayPal.Api;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
namespace PaymentManager.Provider {
public class WebHookEventCapture : WebhookEvent {
[JsonProperty(NullValueHandling = NullValueHandling.Ignore, PropertyName = "resource")]
public new Capture resource { get; set; }
}
public class WebHookEventInvoice : WebhookEvent {
[JsonProperty(NullValueHandling = NullValueHandling.Ignore, PropertyName = "resource")]
public new InvoiceObject resource { get; set; }
}
public class InvoiceObject {
[JsonProperty(NullValueHandling = NullValueHandling.Ignore, PropertyName = "invoice")]
public InvoiceExt invoice { get; set; }
}
public class InvoiceExt : Invoice {
[JsonProperty(NullValueHandling = NullValueHandling.Ignore, PropertyName = "billingInfo")]
public List<BillingInfo> billingInfo { get; set; }
}
}
答案 0 :(得分：-2)
我们很抱歉。我们最后有一个临时问题已得到解决。您现在应该可以接收开票帐户通知了。请尝试一下，让我们知道它是怎么回事。
由于