/*

 * 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.

 */

/*

 * @test

 * @bug 8005408

 * @summary KeyStore API enhancements

 */

import java.io.*;

import java.security.*;

import java.security.cert.*;

import java.util.*;

import java.security.cert.Certificate;

import javax.crypto.*;

import javax.crypto.spec.*;

// Store a trusted certificate in a keystore and retrieve it again.

public class StoreTrustedCertTest {

    private final static String DIR = System.getProperty("test.src", ".");

    private static final char[] PASSWORD = "passphrase".toCharArray();

    private static final String KEYSTORE = "truststore.p12";

    private static final String CERT = DIR + "/trusted.pem";

    private static final String ALIAS = "my trustedcert";

    private static final String ALIAS2 = "my trustedcert with attributes";

    public static void main(String[] args) throws Exception {

        new File(KEYSTORE).delete();

        KeyStore keystore = KeyStore.getInstance("PKCS12");

        keystore.load(null, null);

        Certificate cert = loadCertificate(CERT);

        Set<KeyStore.Entry.Attribute> attributes = new HashSet<>();

        attributes.add(new PKCS12Attribute("1.3.5.7.9", "that's odd"));

        attributes.add(new PKCS12Attribute("2.4.6.8.10", "that's even"));

        // Set trusted certificate entry

        keystore.setEntry(ALIAS,

            new KeyStore.TrustedCertificateEntry(cert), null);

        // Set trusted certificate entry with attributes

        keystore.setEntry(ALIAS2,

            new KeyStore.TrustedCertificateEntry(cert, attributes), null);

        try (FileOutputStream outStream = new FileOutputStream(KEYSTORE)) {

            System.out.println("Storing keystore to: " + KEYSTORE);

            keystore.store(outStream, PASSWORD);

        }

        try (FileInputStream inStream = new FileInputStream(KEYSTORE)) {

            System.out.println("Loading keystore from: " + KEYSTORE);

            keystore.load(inStream, PASSWORD);

            System.out.println("Loaded keystore with " + keystore.size() +

                " entries");

        }

        KeyStore.Entry entry = keystore.getEntry(ALIAS, null);

        if (entry instanceof KeyStore.TrustedCertificateEntry) {

            System.out.println("Retrieved trusted certificate entry: " + entry);

        } else {

            throw new Exception("Not a trusted certificate entry");

        }

        System.out.println();

        entry = keystore.getEntry(ALIAS2, null);

        if (entry instanceof KeyStore.TrustedCertificateEntry) {

            KeyStore.TrustedCertificateEntry trustedEntry =

                (KeyStore.TrustedCertificateEntry) entry;

            Set<KeyStore.Entry.Attribute> entryAttributes =

                trustedEntry.getAttributes();

            if (entryAttributes.containsAll(attributes)) {

                System.out.println("Retrieved trusted certificate entry " +

                    "with attributes: " + entry);

            } else {

                throw new Exception("Failed to retrieve entry attributes");

            }

        } else {

            throw new Exception("Not a trusted certificate entry");

        }

    }

    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);

        }

    }

}