Example #1
0
        public override void handlePOSTRequest(HttpProcessor p, MemoryStream ms)
        {
            try
            {
                byte[]      ocspdata = ms.ToArray();
                OcspReq     req      = new OcspReq(ocspdata);
                GeneralName name     = req.RequestorName;
                if (validator != null)
                {
                    string stat = "GOOD";
                    foreach (CertificateID id in req.GetIDs())
                    {
                        Stopwatch st = new Stopwatch();
                        st.Start();
                        OCSPCache cac = GetCache(id.SerialNumber.LongValue);
                        if (cac != null)
                        {
                            Console.Write("[CACHED] ");
                            string header        = GetRFC822Date(cac.CacheTime);
                            byte[] responseBytes = cac.data;
                            p.outputStream.WriteLine("HTTP/1.1 200 OK");
                            p.outputStream.WriteLine("content-transfer-encoding: binary");
                            p.outputStream.WriteLine("Last-Modified: " + header);
                            p.outputStream.WriteLine("Content-Type: application/ocsp-response");
                            p.outputStream.WriteLine("Connection: keep-alive");
                            p.outputStream.WriteLine("Accept-Ranges: bytes");
                            p.outputStream.WriteLine("Server: AS-OCSP-1.0");
                            p.outputStream.WriteLine("Content-Length: " + responseBytes.Length.ToString());
                            p.outputStream.WriteLine("");
                            p.outputStream.WriteContent(responseBytes);
                        }
                        else
                        {
                            // validate
                            OCSPRespGenerator gen = new OCSPRespGenerator();

                            BasicOcspRespGenerator resp = new BasicOcspRespGenerator(validator.CACert.GetPublicKey());

                            DerGeneralizedTime dt     = new DerGeneralizedTime(DateTime.Parse("03/09/2014 14:00:00"));
                            CrlReason          reason = new CrlReason(CrlReason.CACompromise);

                            if (validator.IsRevoked(id, ref dt, ref reason))
                            {
                                RevokedInfo   rinfo   = new RevokedInfo(dt, reason);
                                RevokedStatus rstatus = new RevokedStatus(rinfo);
                                resp.AddResponse(id, rstatus);
                                stat = "REVOKED";
                            }
                            else
                            {
                                resp.AddResponse(id, CertificateStatus.Good);
                            }

                            BasicOcspResp response = resp.Generate("SHA1withRSA", validator.CAKey, new X509Certificate[] { validator.CACert }, DateTime.Now);
                            OcspResp      or       = gen.Generate(OCSPRespGenerator.Successful, response);
                            string        header   = GetRFC822Date(DateTime.Now);

                            byte[] responseBytes = or.GetEncoded();
                            AddCache(responseBytes, id.SerialNumber.LongValue);
                            p.outputStream.WriteLine("HTTP/1.1 200 OK");
                            p.outputStream.WriteLine("content-transfer-encoding: binary");
                            p.outputStream.WriteLine("Last-Modified: " + header);
                            p.outputStream.WriteLine("Content-Type: application/ocsp-response");
                            p.outputStream.WriteLine("Connection: keep-alive");
                            p.outputStream.WriteLine("Accept-Ranges: bytes");
                            p.outputStream.WriteLine("Server: AS-OCSP-1.0");
                            p.outputStream.WriteLine("Content-Length: " + responseBytes.Length.ToString());
                            p.outputStream.WriteLine("");
                            p.outputStream.WriteContent(responseBytes);
                        }
                        Console.Write(id.SerialNumber + " PROCESSED IN " + st.Elapsed + " STATUS " + stat);
                        Console.WriteLine("");
                    }
                }
                else
                {
                    p.writeFailure();
                }
            }
            catch (Exception ex)
            {
                Console.WriteLine("OCSP Server Error : " + ex.Message);
            }
        }