/*

 * 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 4953126

 * @summary Check that a signed JAR file containing an unsupported signer info

 *          attribute can be parsed successfully.

 */

import java.io.File;

import java.io.InputStream;

import java.security.cert.Certificate;

import java.util.Enumeration;

import java.util.jar.*;

public class ScanSignedJar {

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

        boolean isSigned = false;

        try (JarFile file = new JarFile(new File(System.getProperty("test.src","."),

                 "bogus-signerinfo-attr.jar"))) {

            byte[] buffer = new byte[8192];

            for (Enumeration entries = file.entries(); entries.hasMoreElements();) {

                JarEntry entry = (JarEntry) entries.nextElement();

                try (InputStream jis = file.getInputStream(entry)) {

                    while (jis.read(buffer, 0, buffer.length) != -1) {

                        // read the jar entry

                    }

                }

                if (entry.getCertificates() != null) {

                    isSigned = true;

                }

                System.out.println((isSigned ? "[signed] " : "\t ") +

                    entry.getName());

            }

        }

        if (isSigned) {

            System.out.println("\nJAR file has signed entries");

        } else {

            throw new Exception("Failed to detect that the JAR file is signed");

        }

    }

}