public override void Respond(HttpListenerContext context)
{
if (context == null)
{
throw new ArgumentNullException(nameof(context));
}
if (!string.Equals(context.Request.ContentType, RequestContentType, StringComparison.OrdinalIgnoreCase))
{
context.Response.StatusCode = 400;
return;
}
var bytes = ReadRequestBody(context.Request);
var request = new TimeStampRequest(bytes);
var tokenGenerator = new TimeStampTokenGenerator(
_keyPair.Private,
Certificate,
_options.SignatureHashAlgorithm.Value,
_options.Policy.Value);
if (_options.ReturnSigningCertificate)
{
var certificates = X509StoreFactory.Create(
"Certificate/Collection",
new X509CollectionStoreParameters(new[] { Certificate }));
tokenGenerator.SetCertificates(certificates);
}
SetAccuracy(tokenGenerator);
var responseGenerator = new TimeStampResponseGenerator(tokenGenerator, TspAlgorithms.Allowed);
TimeStampResponse response;
if (_options.ReturnFailure)
{
response = responseGenerator.GenerateFailResponse(
PkiStatus.Rejection,
PkiFailureInfo.BadAlg,
"Unsupported algorithm");
}
else
{
response = responseGenerator.Generate(request, _nextSerialNumber, DateTime.UtcNow);
}
_serialNumbers.Add(_nextSerialNumber);
_nextSerialNumber = _nextSerialNumber.Add(BigInteger.One);
context.Response.ContentType = ResponseContentType;
WriteResponseBody(context.Response, response.GetEncoded());
}
