/*

 * Copyright (c) 2013, 2015, 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

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 * questions.

 */

/*

 * @test

 * @bug 8011402

 * @summary Move blacklisting certificate logic from hard code to data

 * @modules java.base/sun.security.util

 */

import sun.security.util.UntrustedCertificates;

import java.io.*;

import java.security.KeyStore;

import java.security.cert.*;

import java.util.*;

public class CheckBlacklistedCerts {

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

        String home = System.getProperty("java.home");

        boolean failed = false;

        // Root CAs should always be trusted

        File file = new File(home, "lib/security/cacerts");

        KeyStore ks = KeyStore.getInstance(KeyStore.getDefaultType());

        try (FileInputStream fis = new FileInputStream(file)) {

            ks.load(fis, null);

        }

        System.out.println("Check for cacerts: " + ks.size());

        for (String alias: Collections.list(ks.aliases())) {

            X509Certificate cert = (X509Certificate)ks.getCertificate(alias);

            if (UntrustedCertificates.isUntrusted(cert)) {

                System.out.print(alias + " is untrusted");

                failed = true;

            }

        }

        // All certs in the pem files

        Set<Certificate> blacklisted = new HashSet<>();

        // Hopefully src comes with test, but it might be missing if doing

        // a -testonly JPRT job.

        File[] blacklists = {

            new File(System.getProperty("test.src"),

                "../../../make/data/blacklistedcertsconverter/blacklisted.certs.pem"),

            new File(System.getProperty("test.src"),

                "../../../make/closed/data/blacklistedcertsconverter/blacklisted.certs.pem")

        };

        // Is this an OPENJDK build?

        String prop = System.getProperty("java.runtime.name");

        if (prop != null && prop.startsWith("OpenJDK")) {

            System.out.println("This is a OpenJDK build.");

            blacklists = Arrays.copyOf(blacklists, 1);

        }

        CertificateFactory cf = CertificateFactory.getInstance("X.509");

        for (File blacklist: blacklists) {

            System.out.print("Check for " + blacklist + ": ");

            if (!blacklist.exists()) {

                System.out.println("does not exist");

            } else {

                try (FileInputStream fis = new FileInputStream(blacklist)) {

                    Collection<? extends Certificate> certs

                            = cf.generateCertificates(fis);

                    System.out.println(certs.size());

                    for (Certificate c: certs) {

                        blacklisted.add(c);

                        X509Certificate cert = ((X509Certificate)c);

                        if (!UntrustedCertificates.isUntrusted(cert)) {

                            System.out.println(cert.getSubjectDN() + " is trusted");

                            failed = true;

                        }

                    }

                }

            }

        }

        // Check the blacklisted.certs file itself

        file = new File(home, "lib/security/blacklisted.certs");

        System.out.print("Check for " + file + ": ");

        try (BufferedReader reader = new BufferedReader(

                new InputStreamReader(new FileInputStream(file)))) {

            int acount = 0;

            int ccount = 0;

            while (true) {

                String line = reader.readLine();

                if (line == null) break;

                if (line.startsWith("Algorithm")) {

                    acount++;

                } else if (!line.isEmpty() && !line.startsWith("#")) {

                    ccount++;

                }

            }

            System.out.println(acount + " algs, " + ccount + " certs" );

            if (acount != 1) {

                System.out.println("There are " + acount + " algorithms");

                failed = true;

            }

            if (ccount != blacklisted.size()

                    && !blacklisted.isEmpty()) {

                System.out.println("Wrong blacklisted.certs size: "

                        + ccount + " fingerprints, "

                        + blacklisted.size() + " certs");

                failed = true;

            }

        }

        if (failed) {

            throw new Exception("Failed");

        }

    }

}