/*

 * 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 6284489

 * @summary Confirm that JarEntry.getCertificates identifies signed entries.

 */

import java.net.URL;

import java.security.CodeSigner;

import java.security.cert.Certificate;

import java.util.jar.*;

/*

 * Confirm that the signed entries in a JAR file are identified correctly

 * when JarEntry.getCertificates is used to extract the signer's certificates.

 *

 * NOTE: the original problem occurred only when entries were extracted using

 *       the JarInputStream.getNextJarEntry method; it never occurred when

 *       entries were extracted using the JarFile.entries method.

 */

public class ScanSignedJar {

    private static final String JAR_LOCATION =

        "file:" +

        System.getProperty("test.src", ".") +

        System.getProperty("file.separator") +

        "signed.jar";

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

        System.out.println("Opening " + JAR_LOCATION + "...");

        JarInputStream inStream =

            new JarInputStream(new URL(JAR_LOCATION).openStream(), true);

        JarEntry entry;

        byte[] buffer = new byte[1024];

        while ((entry = inStream.getNextJarEntry()) != null) {

            // need to read the entry's data to see the certs.

            while(inStream.read(buffer) != -1)

                ;

            String name = entry.getName();

            long size = entry.getSize();

            Certificate[] certificates = entry.getCertificates();

            CodeSigner[] signers = entry.getCodeSigners();

            if (signers == null && certificates == null) {

                System.out.println("[unsigned]\t" + name + "\t(" + size +

                    " bytes)");

            } else if (signers != null && certificates != null) {

                System.out.println("[" + signers.length +

                    (signers.length == 1 ? " signer" : " signers") + "]\t" +

                    name + "\t(" + size + " bytes)");

            } else {

                System.out.println("[*ERROR*]\t" + name + "\t(" + size +

                    " bytes)");

                throw new Exception("Cannot determine whether the entry is " +

                    "signed or unsigned (signers[] doesn't match certs[]).");

            }

        }

    }

}