public async Task <IActionResult> PayNotify()
{
if (!Request.HasFormContentType)
{
return(BadRequest("参数错误"));
}
var formCollection = await Request.ReadFormAsync();
if (formCollection == null || formCollection.Count <= 0)
{
throw new Exception("未解析到callback信息");
}
var sign = formCollection["sign"].ToString();
var dict = new UmsPayDictionary();
foreach (var key in formCollection.Keys)
{
if (key != "sign")
{
dict.Add(key, formCollection[key]);
}
}
// sign validation
if (!UmsPay.Utility.UmsSignature.Validate(dict, sign, _options.SecretKey))
{
throw new Exception("签名校验失败");
}
// TODO: check if it is an repeat request and if is repeat we should return SUCCESS OR FAILED to terminate.
var billPayment = dict["billPayment"];
var str = JsonConvert.SerializeObject(dict);
var payResult = JsonConvert.DeserializeObject <PayResultNotify>(str);
payResult.Body = str;
payResult.BillPaymentObj = JsonConvert.DeserializeObject <BillPayment>(billPayment);
if (payResult.BillStatus != BillStatus.Paid)
{
return(Content("FAILED"));
}
var billQuery = new BillQueryRequest
{
BillDate = payResult.BillDate,
BillNo = payResult.BillNo,
RequestTimestamp = DateTime.Now.ToString("yyyy-MM-dd HH:mm:ss"),
};
var res = await _client.ExecuteAsync(billQuery);
if (res.BillStatus != BillStatus.Paid)
{
return(Content("FAILED"));
}
return(Content("SUCCESS"));
}
public IDictionary <string, string> GetParameters()
{
var parameters = new UmsPayDictionary
{
{ "msgType", MsgType },
{ "requestTimestamp", RequestTimestamp },
{ "billNo", BillNo },
{ "billDate", BillDate },
};
return(parameters);
}
public IDictionary <string, string> GetParameters()
{
var parameters = new UmsPayDictionary
{
{ "requestTimestamp", RequestTimestamp },
{ "billNo", BillNo },
{ "billDate", BillDate },
{ "billDesc", BillDesc },
{ "totalAmount", TotalAmount },
{ "notifyUrl", NotifyUrl },
{ "returnUrl", ReturnUrl },
{ "msgType", MsgType },
};
return(parameters);
}
public async Task <T> ExecuteAsync <T>(IUmsPayRequest <T> request) where T : UmsPayResponseBase
{
var txtParams = new UmsPayDictionary(request.GetParameters())
{
{ "mid", _options.Mid },
{ "instMid", _options.InstMid },
{ "msgSrc", _options.MsgSrc },
{ "tid", _options.Tid }
};
UmsSignature.Sign(txtParams, _options.SecretKey);
using (var client = _httpClientFactory.CreateClient(UmsPayOptions.DefaultClientName))
{
var content = JsonConvert.SerializeObject(txtParams);
var body = await HttpClientUtility.DoPostAsync(client, _options.GetQrCodeUrl, content);
if (string.IsNullOrEmpty(body))
{
throw new ArgumentNullException(nameof(body));
}
//var dict = JsonConvert.DeserializeObject<Dictionary<string, object>>(body);
T resp = default(T);
try
{
resp = JsonConvert.DeserializeObject <T>(body);
}
catch
{
throw new FormatException($"二维码返回信息解析失败: {body}");
}
resp.Body = body;
return(resp);
}
}
