public virtual async Task HandleAsync(WeChatPayHandlerContext context)
{
var dict = context.WeChatRequestXmlData.SelectSingleNode("xml").ToDictionary() ??
throw new NullReferenceException();
if (dict.GetOrDefault("return_code") != "SUCCESS" || dict.GetOrDefault("device_info") != PaymentServiceWeChatPayConsts.DeviceInfo)
{
return;
}
using var disabledDataFilter = _dataFilter.Disable <IMultiTenant>();
var paymentId = Guid.Parse(dict.GetOrDefault("out_trade_no") ??
throw new XmlDocumentMissingRequiredElementException("out_trade_no"));
var payment = await _paymentRepository.GetAsync(paymentId);
payment.SetExternalTradingCode(dict.GetOrDefault("transaction_id") ??
throw new XmlDocumentMissingRequiredElementException("transaction_id"));
await _paymentRepository.UpdateAsync(payment, true);
await RecordPaymentResultAsync(dict, payment.Id);
if (dict.GetOrDefault("result_code") == "SUCCESS")
{
await _paymentManager.CompletePaymentAsync(payment);
}
else
{
await _paymentManager.StartCancelAsync(payment);
}
}
public virtual async Task <ActionResult> RefundNotify()
{
var handlers = ServiceProvider.GetServices <IWeChatPayRefundHandler>();
Request.EnableBuffering();
using (var streamReader = new StreamReader(_httpContextAccessor.HttpContext.Request.Body))
{
var result = await streamReader.ReadToEndAsync();
var xmlDocument = new XmlDocument();
xmlDocument.LoadXml(result);
var context = new WeChatPayHandlerContext
{
WeChatRequestXmlData = xmlDocument
};
foreach (var handler in handlers)
{
await handler.HandleAsync(context);
if (!context.IsSuccess)
{
return(BadRequest(BuildFailedXml(context.FailedResponse)));
}
}
Request.Body.Position = 0;
}
return(Ok(BuildSuccessXml()));
}
public async Task HandleAsync(WeChatPayHandlerContext context)
{
var parameters = new WeChatParameters();
var nodes = context.WeChatRequestXmlData.SelectSingleNode("/xml")?.ChildNodes;
if (nodes == null)
{
return;
}
foreach (XmlNode node in nodes)
{
if (node.Name == "sign")
{
continue;
}
parameters.AddParameter(node.Name, node.InnerText);
}
var options = await WeChatPayOptionsResolver.ResolveAsync();
var responseSign = SignatureGenerator.Generate(parameters, MD5.Create(), options.ApiKey);
if (responseSign != context.WeChatRequestXmlData.SelectSingleNode("/xml/sign")?.InnerText)
{
context.IsSuccess = false;
context.FailedResponse = "订单签名验证没有通过";
Logger.LogWarning("订单签名验证没有通过。");
}
}
public virtual async Task HandleAsync(WeChatPayHandlerContext context)
{
var dict = context.WeChatRequestXmlData.SelectSingleNode("xml").ToDictionary() ?? throw new NullReferenceException();
if (dict.GetOrDefault("return_code") != "SUCCESS")
{
return;
}
using var disabledDataFilter = _dataFilter.Disable <IMultiTenant>();
var record = await _refundRecordRepository.FindAsync(x => x.Id == Guid.Parse(dict.GetOrDefault("out_refund_no")));
if (record == null)
{
return;
}
var payment = await _paymentRepository.FindAsync(record.PaymentId);
var refund = await _refundRepository.FindByPaymentIdAsync(record.PaymentId);
if (payment == null || refund == null)
{
context.IsSuccess = false;
return;
}
record.SetInformationInNotify(
refundStatus: dict.GetOrDefault("refund_status"),
successTime: dict.GetOrDefault("success_time"),
refundRecvAccout: dict.GetOrDefault("refund_recv_accout"),
refundAccount: dict.GetOrDefault("refund_account"),
refundRequestSource: dict.GetOrDefault("refund_request_source"),
settlementRefundFee: Convert.ToInt32(dict.GetOrDefault("settlement_refund_fee")));
await _refundRecordRepository.UpdateAsync(record, true);
if (dict.GetOrDefault("refund_status") == "SUCCESS")
{
await _paymentManager.CompleteRefundAsync(payment, refund);
}
else
{
await _paymentManager.RollbackRefundAsync(payment, refund);
}
context.IsSuccess = true;
}
public async Task HandleAsync(WeChatPayHandlerContext context)
{
var encryptedXml = context.WeChatRequestXmlData.SelectSingleNode("/xml/req_info")?.InnerText;
if (encryptedXml == null)
{
return;
}
var options = await WeChatPayOptionsResolver.ResolveAsync();
var decryptXml = Decrypt(encryptedXml, options.ApiKey.ToMd5().ToLower());
var root = context.WeChatRequestXmlData.DocumentElement?.SelectSingleNode("/xml/req_info");
if (root != null)
{
root.InnerXml = decryptXml;
}
}
public async Task SignVerify_Test()
{
// Arrange
var xml = new XmlDocument();
xml.LoadXml(@"<xml>
<appid><![CDATA[wx2421b1c4370ec43b]]></appid>
<attach><![CDATA[支付测试]]></attach>
<bank_type><![CDATA[CFT]]></bank_type>
<fee_type><![CDATA[CNY]]></fee_type>
<is_subscribe><![CDATA[Y]]></is_subscribe>
<mch_id><![CDATA[10000100]]></mch_id>
<nonce_str><![CDATA[5d2b6c2a8db53831f7eda20af46e531c]]></nonce_str>
<openid><![CDATA[oUpF8uMEb4qRXf22hE3X68TekukE]]></openid>
<out_trade_no><![CDATA[1409811653]]></out_trade_no>
<result_code><![CDATA[SUCCESS]]></result_code>
<return_code><![CDATA[SUCCESS]]></return_code>
<sign><![CDATA[29ADB404083AA9154EC99D650DDFDCC2]]></sign>
<time_end><![CDATA[20140903131540]]></time_end>
<total_fee>1</total_fee>
<coupon_fee><![CDATA[10]]></coupon_fee>
<coupon_count><![CDATA[1]]></coupon_count>
<coupon_type><![CDATA[CASH]]></coupon_type>
<coupon_id><![CDATA[10000]]></coupon_id>
<trade_type><![CDATA[JSAPI]]></trade_type>
<transaction_id><![CDATA[1004400740201409030005092168]]></transaction_id>
</xml>");
var context = new WeChatPayHandlerContext
{
WeChatRequestXmlData = xml
};
// Act
await _signVerifyHandler.HandleAsync(context);
// Assert
context.IsSuccess.ShouldBe(true);
}
public async Task Should_Return_Decrypted_Xml()
{
// Arrange
var xml = new XmlDocument();
xml.LoadXml(@"<xml>
<return_code>SUCCESS</return_code>
<appid><![CDATA[wx2421b1c4370ec43b]]></appid>
<mch_id><![CDATA[10000100]]></mch_id>
<nonce_str><![CDATA[TeqClE3i0mvn3DrK]]></nonce_str>
<req_info><![CDATA[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]]></req_info>
</xml>");
var context = new WeChatPayHandlerContext
{
WeChatRequestXmlData = xml
};
// Act
await WeChatPayHandler.HandleAsync(context);
// Assert
context.IsSuccess.ShouldBe(true);
context.WeChatRequestXmlData.SelectSingleNode("/xml/req_info/root/refund_recv_accout").InnerText.ShouldBe("支付用户零钱");
}
