// Http Request to Momo Server
public void sendPaymentRequest()
{
var reqtime = Utils.GetTimeStamp().ToString();
var transid = Guid.NewGuid().ToString();
var embeddata = new {};
var order = new Dictionary <string, string>();
order.Add("appid", appid);
order.Add("appuser", "demo");
order.Add("apptime", Utils.GetTimeStamp().ToString());
order.Add("amount", totalCost.ToString());
order.Add("apptransid", DateTime.Now.ToString("yyMMdd") + "_" + transid);
order.Add("embeddata", JsonConvert.SerializeObject(embeddata));
order.Add("item", orderInfo);
order.Add("description", "Smart Food Court ZaloPay demo");
order.Add("bankcode", "zalopayapp");
var data = appid + "|" + order["apptransid"] + "|" + order["appuser"] + "|" + order["amount"] + "|"
+ order["apptime"] + "|" + order["embeddata"] + "|" + order["item"];
order.Add("mac", HmacHelper.Compute(ZaloPayHMAC.HMACSHA256, key1, data));
var orderJSON = Encoding.ASCII.GetBytes(JsonConvert.SerializeObject(order));
Dictionary <string, string> param = new Dictionary <string, string>();
param.Add("appid", appid);
param.Add("reqtime", reqtime);
param.Add("mac", HmacHelper.Compute(ZaloPayHMAC.HMACSHA256, key1, appid + "|" + reqtime));
payUrl = qrUrl = "https://sbgateway.zalopay.vn/openinapp?order=" + Convert.ToBase64String(orderJSON);
}
public async Task <string> CreateOrderAsync(Booking booking, long amount, string description)
{
var transid = Guid.NewGuid().ToString();
var embeddata = new {};
var items = new object[] {};
var param = new Dictionary <string, string>();
param.Add("appid", _appid);
param.Add("appuser", booking.Owner.Name);
param.Add("apptime", Utils.GetTimeStamp().ToString());
// Quick hack to convert to VND :))
param.Add("amount", Math.Ceiling(amount * 23193d).ToString());
param.Add("apptransid", DateTime.Now.ToString("yyMMdd") + "_" + transid);
param.Add("embeddata", JsonConvert.SerializeObject(embeddata));
param.Add("item", JsonConvert.SerializeObject(items));
param.Add("description", description);
param.Add("bankcode", "zalopayapp");
var data = _appid + "|" + param["apptransid"] + "|" + param["appuser"] + "|" + param["amount"] + "|"
+ param["apptime"] + "|" + param["embeddata"] + "|" + param["item"];
param.Add("mac", HmacHelper.Compute(ZaloPayHMAC.HMACSHA256, _key1, data));
var result = await HttpHelper.PostFormAsync(_createOrderUrl, param);
foreach (var entry in result)
{
Console.WriteLine("{0} = {1}", entry.Key, entry.Value);
}
return(result["orderurl"] as string);
}
public static string Compute(string data, string key = "")
{
if (string.IsNullOrEmpty(key))
{
key = Constants.KEY1;
}
return(HmacHelper.Compute(ZaloPayHMAC.HMACSHA256, key, data));
}
public static string Compute(string data, string key = "")
{
if (string.IsNullOrEmpty(key))
{
key = ConfigurationManager.AppSettings["Key1"];
}
return(HmacHelper.Compute(ZaloPayHMAC.HMACSHA256, key, data));
}
public static bool VerifyCallback(string data, string requestMac)
{
try
{
string mac = HmacHelper.Compute(ZaloPayHMAC.HMACSHA256, ConfigurationManager.AppSettings["Key2"], data);
return(requestMac.Equals(mac));
} catch
{
return(false);
}
}
public static bool VerifyCallback(string data, string requestMac)
{
try
{
string mac = HmacHelper.Compute(ZaloPayHMAC.HMACSHA256, Constants.KEY1, data);
return(requestMac.Equals(mac));
} catch
{
return(false);
}
}
public Task <string> CreateOrderAsync(Booking booking, long amount, string description)
{
string secret = "MbRYDmFmFTVl11Dp8KqUYmeSPpUnEYnr";
long amountVnd = amount * 21000;
string partnerCode = "MOMOLEEQ20210615";
string accessKey = "XGqCNhlAZAtL0lGD";
string requestId = Utils.GetTimeStamp().ToString();
string orderId = Guid.NewGuid().ToString();
string orderInfo = description;
string url = (Environment.GetEnvironmentVariable("ASPNETCORE_ENVIRONMENT") == "Production"? "https://etour-client.azurewebsites.net/booking/momoconfirm" : "https://localhost:44323/booking/momoconfirm") + $"?id={booking.ID}";
string requestType = "captureMoMoWallet";
string extraData = "";
var httpWebRequest = (HttpWebRequest)WebRequest.Create("https://test-payment.momo.vn/gw_payment/transactionProcessor");
httpWebRequest.ContentType = "application/json";
httpWebRequest.Method = "POST";
using (var streamWriter = new StreamWriter(httpWebRequest.GetRequestStream()))
{
string json = new JavaScriptSerializer().Serialize(new
{
partnerCode,
accessKey,
requestId,
amount = amountVnd.ToString(),
orderId,
orderInfo,
returnUrl = url,
notifyUrl = url,
requestType,
signature = HmacHelper.Compute(key: secret, message: $"partnerCode={partnerCode}&accessKey={accessKey}&requestId={requestId}&amount={amountVnd.ToString()}&orderId={orderId}&orderInfo={orderInfo}&returnUrl={url}¬ifyUrl={url}&extraData={extraData}"),
extraData
});
streamWriter.Write(json);
}
var httpResponse = (HttpWebResponse)httpWebRequest.GetResponse();
using (var streamReader = new StreamReader(httpResponse.GetResponseStream()))
{
var result = streamReader.ReadToEnd();
Console.WriteLine(result);
return(Task.FromResult <string>(((dynamic) new JavaScriptSerializer().DeserializeObject(result)).payUrl));
}
}
public string ComputeMac()
{
return(HmacHelper.Compute(ZaloPayHMAC.HMACSHA256, Constants.APP_ID, GetMacData()));
}
public string ComputeMac()
{
return(HmacHelper.Compute(ZaloPayHMAC.HMACSHA256, ConfigurationManager.AppSettings["Key1"], GetMacData()));
}
