/// <summary>
/// Initializes a new instance of the <see cref="QuickpayPageBuilder"/> class.
/// </summary>
public QuickpayPageBuilder(QuickpayMd5Computer md5Computer, IAbsoluteUrlService absoluteUrlService, ICallbackUrl callbackUrl)
{
_absoluteUrlService = absoluteUrlService;
_callbackUrl = callbackUrl;
LocalizationContext = new CustomGlobalization();
Md5Computer = md5Computer;
}
/// <summary>
/// Refunds the payment from the payment provider. This is often used when you need to call external services to handle the refund process.
/// </summary>
/// <param name="payment">The payment.</param>
/// <param name="status">The status.</param>
/// <returns></returns>
protected override bool RefundPaymentInternal(Payment payment, out string status)
{
string merchant = payment.PaymentMethod.DynamicProperty <string>().Merchant.ToString();
string apiKey = payment.PaymentMethod.DynamicProperty <string>().ApiKey.ToString();
string md5Secret = payment.PaymentMethod.DynamicProperty <string>().Md5secret.ToString();
var postValues = GetDefaultPostValues(payment.PaymentMethod);
postValues.Add("msgtype", "refund");
postValues.Add("amount", payment.Amount.ToCents().ToString());
postValues.Add("transaction", payment.TransactionId);
postValues.Add("md5check", QuickpayMd5Computer.GetRefundPreMd5Key(PROTOCOL, payment.Amount.ToCents().ToString(), payment.TransactionId, merchant, apiKey, md5Secret));
var httpPost = new HttpPost(API_ENDPOINT_URL, postValues);
string postResponse = httpPost.GetString();
bool callStatus = ValidateApiCall(postResponse, payment.PaymentMethod);
if (callStatus)
{
status = PaymentMessages.RefundSuccess + " >> " + postResponse;
}
else
{
status = String.Format("{0} >> {1} >> {2}", PaymentMessages.RefundFailed, GetCallStatusMessage(postResponse), postResponse);
}
return(callStatus);
}
/// <summary>
/// Determines if the API operation was successful
/// </summary>
/// <param name="message">The XML response string.</param>
/// <param name="paymentMethod">The payment method.</param>
/// <returns>The call status</returns>
private bool ValidateApiCall(string message, PaymentMethod paymentMethod)
{
string md5Secret = paymentMethod.DynamicProperty <string>().Md5secret;
string md5ResponseString = "";
string md5Check = "";
var responseElement = XDocument.Parse(message).Element("response");
if (responseElement == null)
{
return(false);
}
// Concat all elements for MD5 check to
// validate the returned response.
// Make sure to exclude to sent MD5 value.
md5ResponseString = responseElement.Descendants()
.Where(x => x.Name.ToString() != "md5check")
.Select(x => x.Value)
.Aggregate((a, b) => a + b);
md5Check = responseElement.Element("md5check").Value;
string status = responseElement.Element("qpstat").Value;
string md5CheckResponse = QuickpayMd5Computer.GetMd5KeyFromResponseValueString(md5ResponseString, md5Secret);
return(status.Equals("000") &&
!String.IsNullOrEmpty(md5Check) &&
!String.IsNullOrEmpty(md5CheckResponse) &&
md5Check.Equals(md5CheckResponse));
}
private bool ValidateCallback(PaymentMethod paymentMethod)
{
string md5Secret = paymentMethod.DynamicProperty <string>().Md5secret;
string[] requestFieldNames =
{
"msgtype",
"ordernumber",
"amount",
"currency",
"time",
"state",
"qpstat",
"qpstatmsg",
"chstat",
"chstatmsg",
"merchant",
"merchantemail",
"transaction",
"cardtype",
"cardnumber",
"cardexpire",
"splitpayment",
"fraudprobability",
"fraudremarks",
"fraudreport",
"fee"
};
var sb = new StringBuilder();
foreach (string field in requestFieldNames)
{
sb.Append(HttpContext.Current.Request[field]);
}
string md5Response = QuickpayMd5Computer.GetMd5KeyFromResponseValueString(sb.ToString(), md5Secret);
string md5Check = HttpContext.Current.Request["md5check"];
string quickPayStatus = HttpContext.Current.Request["qpstat"];
return(quickPayStatus.Equals("000") && md5Response.Equals(md5Check));
}
/// <summary>
/// Initializes a new instance of the <see cref="QuickpayPaymentMethodService"/> class.
/// </summary>
public QuickpayPaymentMethodService(QuickpayPageBuilder pageBuilder, QuickpayMd5Computer md5Computer, IWebRuntimeInspector webRuntimeInspector)
{
_webRuntimeInspector = webRuntimeInspector;
QuickpayMd5Computer = md5Computer;
PageBuilder = pageBuilder;
}