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Java example source code file (DKSTest.java)

This example Java source code file (DKSTest.java) is included in the alvinalexander.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" TM.

Learn more about this Java project at its project page.

Java - Java tags/keywords

certificate, config, dks, domainloadstoreparameter, error, exception, fileinputstream, jks, keystore, net, network, passwords, security, string, test_src, uri, user_dir, util

The DKSTest.java Java example source code

/*
 * Copyright (c) 2013, Oracle and/or its affiliates. All rights reserved.
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 *
 * This code is free software; you can redistribute it and/or modify it
 * under the terms of the GNU General Public License version 2 only, as
 * published by the Free Software Foundation.
 *
 * This code is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
 * version 2 for more details (a copy is included in the LICENSE file that
 * accompanied this code).
 *
 * You should have received a copy of the GNU General Public License version
 * 2 along with this work; if not, write to the Free Software Foundation,
 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
 *
 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
 * or visit www.oracle.com if you need additional information or have any
 * questions.
 */

/*
 * see ./DKSTest.sh
 */

import java.io.*;
import java.net.*;
import java.security.*;
import java.security.KeyStore;
import java.security.cert.*;
import java.security.cert.Certificate;
import java.util.*;

// Load and store entries in domain keystores

public class DKSTest {

    private static final String TEST_SRC = System.getProperty("test.src");
    private static final String USER_DIR = System.getProperty("user.dir");
    private static final String CERT = TEST_SRC + "/../../pkcs12/trusted.pem";
    private static final String CONFIG = "file://" + TEST_SRC + "/domains.cfg";
    private static final Map<String, KeyStore.ProtectionParameter> PASSWORDS =
        new HashMap<String, KeyStore.ProtectionParameter>() {{
            put("keystore",
                new KeyStore.PasswordProtection("test123".toCharArray()));
            put("policy_keystore",
                new KeyStore.PasswordProtection(
                    "Alias.password".toCharArray()));
            put("pw_keystore",
                new KeyStore.PasswordProtection("test12".toCharArray()));
            put("eckeystore1",
                new KeyStore.PasswordProtection("password".toCharArray()));
            put("eckeystore2",
                new KeyStore.PasswordProtection("password".toCharArray()));
            put("truststore",
                new KeyStore.PasswordProtection("changeit".toCharArray()));
            put("empty",
                new KeyStore.PasswordProtection("passphrase".toCharArray()));
        }};

    public static void main(String[] args) throws Exception {
        /*
         * domain keystore: system
         */
        URI config = new URI(CONFIG + "#system");
        int cacertsCount;
        int expected;
        KeyStore keystore = KeyStore.getInstance("DKS");
        // load entries
        keystore.load(new DomainLoadStoreParameter(config, PASSWORDS));
        cacertsCount = expected = keystore.size();
        System.out.println("\nLoading domain keystore: " + config + "\t[" +
            expected + " entries]");
        checkEntries(keystore, expected);

        /*
         * domain keystore: system_plus
         */
        config = new URI(CONFIG + "#system_plus");
        expected = cacertsCount + 1;
        keystore = KeyStore.getInstance("DKS");
        // load entries
        keystore.load(new DomainLoadStoreParameter(config, PASSWORDS));
        System.out.println("\nLoading domain keystore: " + config + "\t[" +
            expected + " entries]");
        checkEntries(keystore, expected);

        /*
         * domain keystore: system_env
         */
        config = new URI(CONFIG + "#system_env");
        expected = 1 + cacertsCount;
        keystore = KeyStore.getInstance("DKS");
        // load entries
        keystore.load(
            new DomainLoadStoreParameter(config,
                Collections.<String, KeyStore.ProtectionParameter>emptyMap()));
        System.out.println("\nLoading domain keystore: " + config + "\t[" +
            expected + " entries]");
        checkEntries(keystore, expected);

        /*
         * domain keystore: empty
         */
        KeyStore empty = KeyStore.getInstance("JKS");
        empty.load(null, null);

        try (OutputStream outStream =
            new FileOutputStream(new File(USER_DIR, "empty.jks"))) {
            empty.store(outStream, "passphrase".toCharArray());
        }
        config = new URI(CONFIG + "#empty");
        expected = 0;
        keystore = KeyStore.getInstance("DKS");
        // load entries
        keystore.load(new DomainLoadStoreParameter(config, PASSWORDS));
        System.out.println("\nLoading domain keystore: " + config + "\t[" +
            expected + " entries]");
        checkEntries(keystore, expected);

        /*
         * domain keystore: keystores
         */
        config = new URI(CONFIG + "#keystores");
        expected = 2 + 1 + 1 + 1;
        keystore = KeyStore.getInstance("DKS");
        // load entries
        keystore.load(new DomainLoadStoreParameter(config, PASSWORDS));
        System.out.println("\nLoading domain keystore: " + config + "\t[" +
            expected + " entries]");
        checkEntries(keystore, expected);
        // set a new trusted certificate entry
        Certificate cert = loadCertificate(CERT);
        String alias = "pw_keystore tmp-cert";
        System.out.println("Setting new trusted certificate entry: " + alias);
        keystore.setEntry(alias,
            new KeyStore.TrustedCertificateEntry(cert), null);
        expected++;
        // store entries
        config = new URI(CONFIG + "#keystores_tmp");
        System.out.println("Storing domain keystore: " + config + "\t[" +
            expected + " entries]");
        keystore.store(new DomainLoadStoreParameter(config, PASSWORDS));
        keystore = KeyStore.getInstance("DKS");
        // reload entries
        keystore.load(new DomainLoadStoreParameter(config, PASSWORDS));
        System.out.println("Reloading domain keystore: " + config + "\t[" +
            expected + " entries]");
        checkEntries(keystore, expected);
        // get the new trusted certificate entry
        System.out.println("Getting new trusted certificate entry: " + alias);
        if (!keystore.isCertificateEntry(alias)) {
            throw new Exception("Error: cannot retrieve certificate entry: " +
                alias);
        }
        keystore.setEntry(alias,
            new KeyStore.TrustedCertificateEntry(cert), null);
    }

    private static void checkEntries(KeyStore keystore, int expected)
        throws Exception {
        int i = 0;
        for (String alias : Collections.list(keystore.aliases())) {
            System.out.print(".");
            i++;
        }
        System.out.println();
        if (expected != i) {
            throw new Exception("Error: unexpected entry count in keystore: " +
                "loaded=" + i + ", expected=" + expected);
        }
    }

    private static Certificate loadCertificate(String certFile)
        throws Exception {
        X509Certificate cert = null;
        try (FileInputStream certStream = new FileInputStream(certFile)) {
            CertificateFactory factory =
                CertificateFactory.getInstance("X.509");
            return factory.generateCertificate(certStream);
        }
    }
}

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