org.bouncycastle.cert.ocsp.CertificateStatus Java Examples

@Override
protected boolean verify(ChannelHandlerContext ctx, ReferenceCountedOpenSslEngine engine) throws Exception {
    byte[] staple = engine.getOcspResponse();
    if (staple == null) {
        throw new IllegalStateException("Server didn't provide an OCSP staple!");
    }

    OCSPResp response = new OCSPResp(staple);
    if (response.getStatus() != OCSPResponseStatus.SUCCESSFUL) {
        return false;
    }

    SSLSession session = engine.getSession();
    X509Certificate[] chain = session.getPeerCertificateChain();
    BigInteger certSerial = chain[0].getSerialNumber();

    BasicOCSPResp basicResponse = (BasicOCSPResp) response.getResponseObject();
    SingleResp first = basicResponse.getResponses()[0];

    // ATTENTION: CertificateStatus.GOOD is actually a null value! Do not use
    // equals() or you'll NPE!
    CertificateStatus status = first.getCertStatus();
    BigInteger ocspSerial = first.getCertID().getSerialNumber();
    String message = new StringBuilder()
        .append("OCSP status of ").append(ctx.channel().remoteAddress())
        .append("\n  Status: ").append(status == CertificateStatus.GOOD ? "Good" : status)
        .append("\n  This Update: ").append(first.getThisUpdate())
        .append("\n  Next Update: ").append(first.getNextUpdate())
        .append("\n  Cert Serial: ").append(certSerial)
        .append("\n  OCSP Serial: ").append(ocspSerial)
        .toString();
    System.out.println(message);

    return status == CertificateStatus.GOOD && certSerial.equals(ocspSerial);
}
 

@Nonnull
public static ETriState evalOCSPResponse (@Nonnull final OCSPResp aOCSPResponse) throws OCSPException
{
  final EOCSPResponseStatus eStatus = EOCSPResponseStatus.getFromValueOrNull (aOCSPResponse.getStatus ());
  if (eStatus == null)
    throw new OCSPException ("Unsupported status code " + aOCSPResponse.getStatus () + " received!");
  if (eStatus.isFailure ())
    throw new OCSPException ("Non-success status code " + aOCSPResponse.getStatus () + " received!");

  final Object aResponseObject = aOCSPResponse.getResponseObject ();
  if (aResponseObject instanceof BasicOCSPResp)
  {
    final BasicOCSPResp aBasicResponse = (BasicOCSPResp) aResponseObject;
    final SingleResp [] aResponses = aBasicResponse.getResponses ();
    // Assume we queried only one
    if (aResponses.length == 1)
    {
      final SingleResp aResponse = aResponses[0];
      final CertificateStatus aStatus = aResponse.getCertStatus ();
      if (aStatus == CertificateStatus.GOOD)
        return ETriState.TRUE;
      if (aStatus instanceof RevokedStatus)
        return ETriState.FALSE;
      // else status is unknown
    }
  }
  return ETriState.UNDEFINED;
}
 

public static void main(String[] args) throws Exception {
    // We assume there's a private key.
    PrivateKey privateKey = null;

    // Step 1: Load the certificate chain for netty.io. We'll need the certificate
    // and the issuer's certificate and we don't need any of the intermediate certs.
    // The array is assumed to be a certain order to keep things simple.
    X509Certificate[] keyCertChain = parseCertificates(OcspServerExample.class, "netty_io_chain.pem");

    X509Certificate certificate = keyCertChain[0];
    X509Certificate issuer = keyCertChain[keyCertChain.length - 1];

    // Step 2: We need the URL of the CA's OCSP responder server. It's somewhere encoded
    // into the certificate! Notice that it's a HTTP URL.
    URI uri = OcspUtils.ocspUri(certificate);
    System.out.println("OCSP Responder URI: " + uri);

    if (uri == null) {
        throw new IllegalStateException("The CA/certificate doesn't have an OCSP responder");
    }

    // Step 3: Construct the OCSP request
    OCSPReq request = new OcspRequestBuilder()
            .certificate(certificate)
            .issuer(issuer)
            .build();

    // Step 4: Do the request to the CA's OCSP responder
    OCSPResp response = OcspUtils.request(uri, request, 5L, TimeUnit.SECONDS);
    if (response.getStatus() != OCSPResponseStatus.SUCCESSFUL) {
        throw new IllegalStateException("response-status=" + response.getStatus());
    }

    // Step 5: Is my certificate any good or has the CA revoked it?
    BasicOCSPResp basicResponse = (BasicOCSPResp) response.getResponseObject();
    SingleResp first = basicResponse.getResponses()[0];

    CertificateStatus status = first.getCertStatus();
    System.out.println("Status: " + (status == CertificateStatus.GOOD ? "Good" : status));
    System.out.println("This Update: " + first.getThisUpdate());
    System.out.println("Next Update: " + first.getNextUpdate());

    if (status != null) {
        throw new IllegalStateException("certificate-status=" + status);
    }

    BigInteger certSerial = certificate.getSerialNumber();
    BigInteger ocspSerial = first.getCertID().getSerialNumber();
    if (!certSerial.equals(ocspSerial)) {
        throw new IllegalStateException("Bad Serials=" + certSerial + " vs. " + ocspSerial);
    }

    // Step 6: Cache the OCSP response and use it as long as it's not
    // expired. The exact semantics are beyond the scope of this example.

    if (!OpenSsl.isAvailable()) {
        throw new IllegalStateException("OpenSSL is not available!");
    }

    if (!OpenSsl.isOcspSupported()) {
        throw new IllegalStateException("OCSP is not supported!");
    }

    if (privateKey == null) {
        throw new IllegalStateException("Because we don't have a PrivateKey we can't continue past this point.");
    }

    ReferenceCountedOpenSslContext context
        = (ReferenceCountedOpenSslContext) SslContextBuilder.forServer(privateKey, keyCertChain)
            .sslProvider(SslProvider.OPENSSL)
            .enableOcsp(true)
            .build();

    try {
        ServerBootstrap bootstrap = new ServerBootstrap()
                .childHandler(newServerHandler(context, response));

        // so on and so forth...
    } finally {
        context.release();
    }
}
 

/**
 * @return 	a byte array
 * @see com.lowagie.text.pdf.OcspClient#getEncoded()
 */
public byte[] getEncoded() {
    try {
        OCSPReq request = generateOCSPRequest(rootCert, checkCert.getSerialNumber());
        byte[] array = request.getEncoded();
        URL urlt = new URL(url);
        HttpURLConnection con = (HttpURLConnection)urlt.openConnection();
        con.setRequestProperty("Content-Type", "application/ocsp-request");
        con.setRequestProperty("Accept", "application/ocsp-response");
        con.setDoOutput(true);
        OutputStream out = con.getOutputStream();
        DataOutputStream dataOut = new DataOutputStream(new BufferedOutputStream(out));
        dataOut.write(array);
        dataOut.flush();
        dataOut.close();
        if (con.getResponseCode() / 100 != 2) {
            throw new IOException("Invalid HTTP response");
        }
        //Get Response
        InputStream in = (InputStream) con.getContent();
        OCSPResp ocspResponse = new OCSPResp(in);

        if (ocspResponse.getStatus() != 0)
            throw new IOException("Invalid status: " + ocspResponse.getStatus());
        BasicOCSPResp basicResponse = (BasicOCSPResp) ocspResponse.getResponseObject();
        if (basicResponse != null) {
            SingleResp[] responses = basicResponse.getResponses();
            if (responses.length == 1) {
                SingleResp resp = responses[0];
                Object status = resp.getCertStatus();
                if (status == CertificateStatus.GOOD) {
                    return basicResponse.getEncoded();
                }
                else if (status instanceof org.bouncycastle.cert.ocsp.RevokedStatus) {
                    throw new IOException("OCSP Status is revoked!");
                }
                else {
                    throw new IOException("OCSP Status is unknown!");
                }
            }
        }
    }
    catch (Exception ex) {
        throw new ExceptionConverter(ex);
    }
    return null;
}
 

/**
 * Validates OCSP Basic OCSP response.
 *
 * @param currentTime   the current timestamp.
 * @param basicOcspResp BasicOcspResponse data.
 * @throws SFOCSPException raises if any failure occurs.
 */
private void validateBasicOcspResponse(
    Date currentTime, BasicOCSPResp basicOcspResp)
throws SFOCSPException
{
  for (SingleResp singleResps : basicOcspResp.getResponses())
  {
    checkCertUnknownTestParameter();
    CertificateStatus certStatus = singleResps.getCertStatus();
    if (certStatus != CertificateStatus.GOOD)
    {
      if (certStatus instanceof RevokedStatus)
      {
        RevokedStatus status = (RevokedStatus) certStatus;
        int reason;
        try
        {
          reason = status.getRevocationReason();
        }
        catch (IllegalStateException ex)
        {
          reason = -1;
        }
        Date revocationTime = status.getRevocationTime();
        throw new SFOCSPException(OCSPErrorCode.CERTIFICATE_STATUS_REVOKED,
                                  String.format(
                                      "The certificate has been revoked. Reason: %d, Time: %s",
                                      reason, DATE_FORMAT_UTC.format(revocationTime)));
      }
      else
      {
        // Unknown status
        throw new SFOCSPException(OCSPErrorCode.CERTIFICATE_STATUS_UNKNOWN,
                                  "Failed to validate the certificate for UNKNOWN reason.");
      }
    }

    Date thisUpdate = singleResps.getThisUpdate();
    Date nextUpdate = singleResps.getNextUpdate();
    LOGGER.debug("Current Time: {}, This Update: {}, Next Update: {}",
                 currentTime, thisUpdate, nextUpdate);
    if (!isValidityRange(currentTime, thisUpdate, nextUpdate))
    {
      throw new SFOCSPException(OCSPErrorCode.INVALID_OCSP_RESPONSE_VALIDITY,
                                String.format(
                                    "The OCSP response validity is out of range: " +
                                    "Current Time: %s, This Update: %s, Next Update: %s",
                                    DATE_FORMAT_UTC.format(currentTime),
                                    DATE_FORMAT_UTC.format(thisUpdate),
                                    DATE_FORMAT_UTC.format(nextUpdate)));
    }
  }
  LOGGER.debug("OK. Verified the certificate revocation status.");
}
 

@Override
public ValidationStatus validate(X509Certificate certificate, List<X509Certificate> issuers, Date validationDate) {
	X509Certificate issuer = issuers.get(0);
	ValidationStatus status = new ValidationStatus(certificate, issuer, validationDate, ValidatorSourceType.OCSP, CertificateValidity.UNKNOWN);

	try {
		Principal subjectX500Principal = certificate.getSubjectX500Principal();

		String ocspUrl = getOCSPUrl(certificate);
		if (ocspUrl == null) {
			log.error("OCSP URL for '" + subjectX500Principal + "' is empty");
			return status;
		}

		log.debug("OCSP URL for '" + subjectX500Principal + "' is '" + ocspUrl + "'");

		DigestCalculator digestCalculator = new JcaDigestCalculatorProviderBuilder().build().get(CertificateID.HASH_SHA1);
		CertificateID certificateId = new CertificateID(digestCalculator, new JcaX509CertificateHolder(certificate), certificate.getSerialNumber());

		// Generate OCSP request
		OCSPReq ocspReq = generateOCSPRequest(certificateId);

		// Get OCSP response from server
		OCSPResp ocspResp = requestOCSPResponse(ocspUrl, ocspReq);
		if (ocspResp.getStatus() != OCSPRespBuilder.SUCCESSFUL) {
			log.error("OCSP response is invalid!");
			status.setValidity(CertificateValidity.INVALID);
			return status;
		}

		boolean foundResponse = false;
		BasicOCSPResp basicOCSPResp = (BasicOCSPResp) ocspResp.getResponseObject();
		SingleResp[] singleResps = basicOCSPResp.getResponses();
		for (SingleResp singleResp : singleResps) {
			CertificateID responseCertificateId = singleResp.getCertID();
			if (!certificateId.equals(responseCertificateId)) {
				continue;
			}

			foundResponse = true;

			log.debug("OCSP validationDate: " + validationDate);
			log.debug("OCSP thisUpdate: " + singleResp.getThisUpdate());
			log.debug("OCSP nextUpdate: " + singleResp.getNextUpdate());

			status.setRevocationObjectIssuingTime(basicOCSPResp.getProducedAt());

			Object certStatus = singleResp.getCertStatus();
			if (certStatus == CertificateStatus.GOOD) {
				log.debug("OCSP status is valid for '" + certificate.getSubjectX500Principal() + "'");
				status.setValidity(CertificateValidity.VALID);
			} else {
				if (singleResp.getCertStatus() instanceof RevokedStatus) {
					log.warn("OCSP status is revoked for: " + subjectX500Principal);
					if (validationDate.before(((RevokedStatus) singleResp.getCertStatus()).getRevocationTime())) {
						log.warn("OCSP revocation time after the validation date, the certificate '" + subjectX500Principal + "' was valid at " + validationDate);
						status.setValidity(CertificateValidity.VALID);
					} else {
						Date revocationDate = ((RevokedStatus) singleResp.getCertStatus()).getRevocationTime();
						log.info("OCSP for certificate '" + subjectX500Principal + "' is revoked since " + revocationDate);
						status.setRevocationDate(revocationDate);
						status.setRevocationObjectIssuingTime(singleResp.getThisUpdate());
						status.setValidity(CertificateValidity.REVOKED);
					}
				}
			}
		}

		if (!foundResponse) {
			log.error("There is no matching OCSP response entries");
		}
	} catch (Exception ex) {
		log.error("OCSP exception: ", ex);
	}

	return status;
}