org.shredzone.acme4j.util.CSRBuilder Java Examples

private void doSetup() {
	messages.add("starting up...", LOG);

	Registration reg = loadOrCreateRegistration();
	if (reg == null) {
		return;
	}

	CSRBuilder csrb = createCSR(reg);
	if (csrb == null) {
		return;
	}

	messages.add("requesting certificate", LOG);
	Certificate certificate;
	try {
		certificate = reg.requestCertificate(csrb.getEncoded());
	} catch (Exception e) {
		String message = "unable to request certificate";
		messages.add(message);
		LOG.error(message, e);
		return;
	}

	downloadCertificate(certificate);
}
 

/**
 * Generates a certificate for the given domain. Also takes care of the registration
 * process.
 *
 * @param aDomain
 *            The name of the daomain to get a common certificate for
 */
public void generate (String aDomain) throws Exception {
  // Load the user key file. If there is no key file, create a new one.
  // Keep this key pair in a safe place! In a production environment, you will not be
  // able to access your account again if you should lose the key pair.
  KeyPair userKeyPair = loadOrCreateKeyPair(new File(config.getUserKeyFile()));

  // Create a session for Let's Encrypt.
  Session session = new Session(config.getEndpoint(), userKeyPair);

  // Get the Registration to the account.
  // If there is no account yet, create a new one.
  Registration reg = getOrCreateAccount(session);

  authorize(reg, aDomain);

  // Load or create a key pair for the domains. This should not be the userKeyPair!
  KeyPair domainKeyPair = loadOrCreateKeyPair(new File(config.getDomainKeyFile()));

  // Generate a CSR for all of the domains, and sign it with the domain key pair.
  CSRBuilder csrb = new CSRBuilder();
  csrb.addDomains(Arrays.asList(aDomain));
  csrb.sign(domainKeyPair);

  // Write the CSR to a file, for later use.
  try (Writer out = new FileWriter(new File(config.getDomainCsrFile()))) {
    csrb.write(out);
  }

  // Now request a signed certificate.
  Certificate certificate = reg.requestCertificate(csrb.getEncoded());

  logger.info("Success! The certificate for domain {} has been generated!", aDomain);
  logger.info("Certificate URL: {}", certificate.getLocation());

  // Download the leaf certificate and certificate chain.
  X509Certificate cert = certificate.download();
  X509Certificate[] chain = certificate.downloadChain();

  // Write a combined file containing the certificate and chain.
  try (FileWriter fw = new FileWriter(new File (config.getDomainChainFile()))) {
    CertificateUtils.writeX509CertificateChain(fw, cert, chain);
  }

  // convert the certificate format to PKS
  ProcessBuilder pbuilder = new ProcessBuilder("openssl","pkcs12","-export","-out",config.getKeyStoreFile(),"-inkey",config.getDomainKeyFile(),"-in",config.getDomainChainFile(),"-password","pass:" + config.getKeyStorePassword());
  pbuilder.redirectErrorStream(true);

  Process process = pbuilder.start();
  int errCode = process.waitFor();
  
  try(InputStream in = process.getInputStream(); StringWriter writer = new StringWriter()) {
    IOUtils.copy(in, writer, "ASCII");
    logger.debug("openssl finished with exit code {} \n{}",errCode, writer.toString());
  }
  
}
 

/**
 * Generates a certificate for the given domains. Also takes care for the registration
 * process.
 *
 * @param domain
 *            Domains to get a common certificate for
 */
private void fetchCertificate(String contact, String domain) throws IOException, AcmeException {
    // Load the user key file. If there is no key file, create a new one.
    // Keep this key pair in a safe place! In a production environment, you will not be
    // able to access your account again if you should lose the key pair.
    KeyPair userKeyPair = loadOrCreateKeyPair(USER_KEY_FILE);

    Session session = new Session(letsEncryptUrl);

    // Get the Account.
    // If there is no account yet, create a new one.
    Account account = new AccountBuilder()
            .agreeToTermsOfService()
            .useKeyPair(userKeyPair)
            .addEmail(contact)
            .create(session);
    log.info("Registered a new user, URL: {}", account.getLocation());

    // Load or create a key pair for the domains. This should not be the userKeyPair!
    KeyPair domainKeyPair = loadOrCreateKeyPair(DOMAIN_KEY_FILE);

    // Order the certificate
    Order order = account.newOrder().domain(domain).create();

    // Perform all required authorizations
    for (Authorization auth : order.getAuthorizations()) {
        authorize(auth);
    }

    // Generate a CSR for all of the domains, and sign it with the domain key pair.
    CSRBuilder csrb = new CSRBuilder();
    csrb.addDomain(domain);
    csrb.setOrganization("Blynk Inc.");
    csrb.sign(domainKeyPair);

    // Order the certificate
    order.execute(csrb.getEncoded());

    // Wait for the order to complete
    try {
        int attempts = ATTEMPTS;
        while (order.getStatus() != Status.VALID && attempts-- > 0) {
            if (order.getStatus() == Status.INVALID) {
                throw new AcmeException("Order failed... Giving up.");
            }
            Thread.sleep(WAIT_MILLIS);
            order.update();
        }
    } catch (InterruptedException ex) {
        log.error("interrupted", ex);
    }

    Certificate certificate = order.getCertificate();

    if (certificate != null) {
        try (FileWriter fw = new FileWriter(DOMAIN_CHAIN_FILE)) {
            certificate.writeCertificate(fw);
        }
        log.info("Overriding certificate. Expiration date is : {}", certificate.getCertificate().getNotAfter());
    }
}