private async Task <OcspResponse> SendOcspRequests(Ocsp ocsp, IList <Uri> uris, OcspResponse response)
{
foreach (var uri in uris)
{
try
{
HttpWebRequest request = CreateOcspRequest(ocsp, uri);
response = await SendOcspRequest(request);
if (response != null)
{
break;
}
}
catch (Exception ex)
{
Log.Error(ex, $"Cannot connect to ocsp server for {uri}.");
if (response == null)
{
response = new OcspResponse();
}
response.Status = OcspRevocationStatus.Error;
}
}
return(response);
}
public virtual HttpWebRequest CreateOcspRequest(Ocsp ocsp, Uri uri)
{
var reqArray = ocsp.CreateOcspReq().GetEncoded();
HttpWebRequest request = (HttpWebRequest)WebRequest.Create(uri);
request.Method = "POST";
var requestStream = request.GetRequestStream();
request.ContentLength = reqArray.Length;
request.ContentType = "application/ocsp-request";
request.Accept = "application/ocsp-response";
requestStream.Write(reqArray, 0, reqArray.Length);
return(request);
}
