public SchibstedPaymentMethodService(SchibstedPageBuilder pageBuilder, SchibstedSha256Computer sha256Computer, ILoggingService loggingService, IAbsoluteUrlService absoluteUrlService)
{
_absoluteUrlService = absoluteUrlService;
PageBuilder = pageBuilder;
Sha256Computer = sha256Computer;
LoggingService = loggingService;
}
public SchibstedPageBuilder(SchibstedSha256Computer sha256Computer, ILoggingService loggingService, IAbsoluteUrlService absoluteUrlService, ICallbackUrl callbackUrl)
{
_absoluteUrlService = absoluteUrlService;
_callbackUrl = callbackUrl;
Sha256Computer = sha256Computer;
LoggingService = loggingService;
LocalizationContext = new CustomGlobalization();
}
public SchibstedRecurringPaymentMethodService(
SchibstedPageBuilder pageBuilder,
SchibstedSha256Computer sha256Computer,
ILoggingService loggingService,
IAbsoluteUrlService absoluteUrlService) : base(pageBuilder, sha256Computer, loggingService, absoluteUrlService)
{
_absoluteUrlService = absoluteUrlService;
}
public SppCallbackContainer DecodeSignedRequest(string signedRequest, string signatureSecret)
{
var requestArr = signedRequest.Split('.');
var encodedSig = requestArr[0];
var payload = requestArr[1];
var hashComputer = new SchibstedSha256Computer();
var expectedSig = hashComputer.ComputeHash(payload, signatureSecret, true);
var data = Base64UrlDecode(payload);
if (expectedSig != encodedSig)
{
throw new SecurityException("Checksum verification failed");
}
var jsonSerializer = new DataContractJsonSerializer(typeof(SppCallbackContainer));
var ms = new MemoryStream(Encoding.UTF8.GetBytes(data));
return(jsonSerializer.ReadObject(ms) as SppCallbackContainer);
}