private ICallbackData GetCallbackData(NameValueCollection query, PaymentType paymentType)
{
if (string.IsNullOrEmpty(query["data"]))
{
throw new ArgumentNullException("data");
}
string dataAsBase64 = query["data"];
if (string.IsNullOrEmpty(query["ss2"]))
{
throw new ArgumentNullException("ss2");
}
string ss2AsBase64 = query["ss2"];
string publicKeyPEMFileContents = CryptoUtility.DownloadPublicKey();
byte[] publicKeyRawData = CryptoUtility.GetPublicKeyRawDataFromPEMFile(publicKeyPEMFileContents);;
byte[] ss2 = CryptoUtility.DecodeBase64UrlSafeAsByteArray(ss2AsBase64);
bool valid = CryptoUtility.VerifySS2(dataAsBase64, ss2, publicKeyRawData);
if (!valid)
{
throw new InvalidOperationException("Signed data validation failed (SS2).");
}
string dataQuery = CryptoUtility.DecodeBase64UrlSafe(dataAsBase64);
Dictionary <string, string> dataQueryParams = HttpQueryUtility.ParseQueryString(dataQuery);
ICallbackData callbackData;
switch (paymentType)
{
case PaymentType.Macro:
MacroCallbackData macroCallbackData = new MacroCallbackData(dataQueryParams);
callbackData = macroCallbackData;
break;
case PaymentType.Micro:
MicroCallbackData microCallbackData = new MicroCallbackData(dataQueryParams);
callbackData = microCallbackData;
break;
default:
throw new NotSupportedException("Payment type " + paymentType + " is not supported.");
}
if (callbackData.ProjectId != this._projectId)
{
throw new Exception("Bad project Id " + callbackData.ProjectId + " should be " + this._projectId + ".");
}
return(callbackData);
}
private ICallbackData GetCallbackData(NameValueCollection query, PaymentType paymentType)
{
if (string.IsNullOrEmpty(query["data"]))
{
throw new ArgumentNullException("data");
}
string dataAsBase64 = query["data"];
if (string.IsNullOrEmpty(query["ss2"]))
{
throw new ArgumentNullException("ss2");
}
string ss2AsBase64 = query["ss2"];
string publicKeyPEMFileContents = CryptoUtility.DownloadPublicKey();
byte[] publicKeyRawData = CryptoUtility.GetPublicKeyRawDataFromPEMFile(publicKeyPEMFileContents); ;
byte[] ss2 = CryptoUtility.DecodeBase64UrlSafeAsByteArray(ss2AsBase64);
bool valid = CryptoUtility.VerifySS2(dataAsBase64, ss2, publicKeyRawData);
if (!valid)
{
throw new InvalidOperationException("Signed data validation failed (SS2).");
}
string dataQuery = CryptoUtility.DecodeBase64UrlSafe(dataAsBase64);
Dictionary<string, string> dataQueryParams = HttpQueryUtility.ParseQueryString(dataQuery);
ICallbackData callbackData;
switch (paymentType)
{
case PaymentType.Macro:
MacroCallbackData macroCallbackData = new MacroCallbackData(dataQueryParams);
callbackData = macroCallbackData;
break;
case PaymentType.Micro:
MicroCallbackData microCallbackData = new MicroCallbackData(dataQueryParams);
callbackData = microCallbackData;
break;
default:
throw new NotSupportedException("Payment type " + paymentType + " is not supported.");
}
if (callbackData.ProjectId != this._projectId)
{
throw new Exception("Bad project Id " + callbackData.ProjectId + " should be " + this._projectId + ".");
}
return callbackData;
}
public MacroCallbackData GetMacroCallbackData(NameValueCollection query)
{
MacroCallbackData callbackData = (MacroCallbackData)this.GetCallbackData(query, PaymentType.Macro);
return(callbackData);
}