/*

 * Copyright (c) 2019, 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 8226374

 * @library /javax/net/ssl/templates

 * @summary Restrict signature algorithms and named groups

 * @run main/othervm RestrictSignatureScheme

 */

import java.io.ByteArrayInputStream;

import java.security.KeyFactory;

import java.security.KeyStore;

import java.security.PrivateKey;

import java.security.Security;

import java.security.cert.Certificate;

import java.security.cert.CertificateFactory;

import java.security.spec.PKCS8EncodedKeySpec;

import java.util.Arrays;

import java.util.Base64;

import javax.net.ssl.KeyManagerFactory;

import javax.net.ssl.SSLContext;

import javax.net.ssl.SSLSocket;

import javax.net.ssl.SSLServerSocket;

import javax.net.ssl.TrustManagerFactory;

import javax.net.ssl.SSLException;

public class RestrictSignatureScheme extends SSLSocketTemplate {

    private static volatile int index;

    private static final String[][][] protocols = {

        {{"TLSv1.3"}, {"TLSv1.3"}},

        {{"TLSv1.3", "TLSv1.2"}, {"TLSv1.2"}},

        {{"TLSv1.3", "TLSv1.2"}, {"TLSv1.2"}},

        {{"TLSv1.2"}, {"TLSv1.3", "TLSv1.2"}},

        {{"TLSv1.2"}, {"TLSv1.2"}}

    };

    private final SSLContext context;

    RestrictSignatureScheme() throws Exception {

        this.context = createSSLContext();

    }

    @Override

    protected SSLContext createClientSSLContext() throws Exception {

        return context;

    }

    @Override

    protected SSLContext createServerSSLContext() throws Exception {

        return context;

    }

    // Servers are configured before clients, increment test case after.

    @Override

    protected void configureClientSocket(SSLSocket socket) {

        String[] ps = protocols[index][0];

        System.out.print("Setting client protocol(s): ");

        Arrays.stream(ps).forEachOrdered(System.out::print);

        System.out.println();

        socket.setEnabledProtocols(ps);

        socket.setEnabledCipherSuites(new String[] {

            "TLS_AES_128_GCM_SHA256",

            "TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256"});

    }

    @Override

    protected void configureServerSocket(SSLServerSocket serverSocket) {

        String[] ps = protocols[index][1];

        System.out.print("Setting server protocol(s): ");

        Arrays.stream(ps).forEachOrdered(System.out::print);

        System.out.println();

        serverSocket.setEnabledProtocols(ps);

        serverSocket.setEnabledCipherSuites(new String[] {

            "TLS_AES_128_GCM_SHA256",

            "TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256"});

    }

    /*

     * Run the test case.

     */

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

        Security.setProperty("jdk.tls.disabledAlgorithms", "RSASSA-PSS");

        for (index = 0; index < protocols.length; index++) {

            try {

                (new RestrictSignatureScheme()).run();

            } catch (SSLException | IllegalStateException ssle) {

                // The named group should be restricted.

                continue;

            }

            throw new Exception("The test case should be disabled");

        }

    }

    private static final String trustedCertStr =

        /**

        * Signature Algorithm: rsassaPss

        * Issuer: CN = localhost

        * Validity Not Before: Jun 6 07:11:00 2018 GMT

        * Not After : Jun 1 07:11:00 2038 GMT

        * Subject: CN = localhost

        * Public Key Algorithm: rsassaPss

        */

       "-----BEGIN CERTIFICATE-----\n"

       + "MIIDZjCCAh2gAwIBAgIUHxwPs3eAgJ057nJwiLgWZWeNqdgwPgYJKoZIhvcNAQEK\n"

       + "MDGgDTALBglghkgBZQMEAgGhGjAYBgkqhkiG9w0BAQgwCwYJYIZIAWUDBAIBogQC\n"

       + "AgDeMBQxEjAQBgNVBAMMCWxvY2FsaG9zdDAeFw0xODA2MDYwNzExMDBaFw0zODA2\n"

       + "MDEwNzExMDBaMBQxEjAQBgNVBAMMCWxvY2FsaG9zdDCCASAwCwYJKoZIhvcNAQEK\n"

       + "A4IBDwAwggEKAoIBAQCl8r4Qrg27BYUO/1Va2Ix8QPGzN/lvzmKvP5Ff26ovNW4v\n"

       + "RUx68HzAhhiWtcl+PwLSbJqJreEkTlle7PnRAypby3fO7ZAK0Y3YiHquaBg7d+7Y\n"

       + "FhhHwv8gG0lZcyA0BkXFJHqdq76qar0xHC6DVezXm0K3mcceymGtFR9BzWmAj+7D\n"

       + "YsSwvtTQ7WNoQmf0cdDMSM71IwaTwIwvT2wzX1vv5hcdDyXdr64WFqWSA9sNJ2K6\n"

       + "arxaaU1klwKSgDokF6njafWQ4UxdR67d5W1MYoiioDs2Yy3utsMpO2OUzZVBZNdT\n"

       + "gkr1jsJhIurpz/5K51lwJIRQBezEFSb+60AFVoMJAgMBAAGjUDBOMB0GA1UdDgQW\n"

       + "BBQfFit5ilWJmZgCX4QY0HsaI9iIDDAfBgNVHSMEGDAWgBQfFit5ilWJmZgCX4QY\n"

       + "0HsaI9iIDDAMBgNVHRMEBTADAQH/MD4GCSqGSIb3DQEBCjAxoA0wCwYJYIZIAWUD\n"

       + "BAIBoRowGAYJKoZIhvcNAQEIMAsGCWCGSAFlAwQCAaIEAgIA3gOCAQEAa4yUQ3gh\n"

       + "d1YWPdEa1sv2hdkhtenw6m5yxbmaQl2+nIKSpk4RfpXC7K1EYwBF8TdfFbD8hGGh\n"

       + "5n81BT0/dn1R9SRGCv7KTxx4lfQt31frlsw/tVciwyXQtcUZ6DqfnLP0/aRVLNgx\n"

       + "zaP542JUHFYLTC3EGz2zUgv70ZUTlIsPG3/p8YO1iXdnYGQyzOuQPUBpI7nS7UtR\n"

       + "Ug8VE9ACpBxxI3qChMahFZGHlXCCSjSmxpQa6UO4SQl8q5tPNnqdzWwvAW8qkCy4\n"

       + "6barRQ4sMcGayhHh/uSTx7bcl0FMJpcI1ygbw7/Pc03zKtw0gMTBMns7q4yXjb/u\n"

       + "ef47nW0t+LRAAg==\n"

       + "-----END CERTIFICATE-----\n";

    private static final String keyCertStr = trustedCertStr;

    private static final String privateKey =

        "MIIEuwIBADALBgkqhkiG9w0BAQoEggSnMIIEowIBAAKCAQEApfK+EK4NuwWFDv9V\n"

        + "WtiMfEDxszf5b85irz+RX9uqLzVuL0VMevB8wIYYlrXJfj8C0myaia3hJE5ZXuz5\n"

        + "0QMqW8t3zu2QCtGN2Ih6rmgYO3fu2BYYR8L/IBtJWXMgNAZFxSR6nau+qmq9MRwu\n"

        + "g1Xs15tCt5nHHsphrRUfQc1pgI/uw2LEsL7U0O1jaEJn9HHQzEjO9SMGk8CML09s\n"

        + "M19b7+YXHQ8l3a+uFhalkgPbDSdiumq8WmlNZJcCkoA6JBep42n1kOFMXUeu3eVt\n"

        + "TGKIoqA7NmMt7rbDKTtjlM2VQWTXU4JK9Y7CYSLq6c/+SudZcCSEUAXsxBUm/utA\n"

        + "BVaDCQIDAQABAoIBAAc4vRS0vlw5LUUtz2UYr2Ro3xvRf8Vh0eGWfpkRUiKjzJu6\n"

        + "BE4FUSh/rWpBlvcrfs/xcfgz3OxbjIAZB/YUkS9Vd21F4VLXM7kMl2onlYZg/b/h\n"

        + "lkTpM3kONu7xl6Er9LVTlRJveuinpHwSoeONRbVMSGb9BjFM1VtW4/lVGxZBG05D\n"

        + "y9i/o4vCZqULn9cAumOwicKuCyTcS58XcMJ+puSPfRA71PYLxqFkASAoJsUwCXpo\n"

        + "gs39lLsIFgrfO8mBO1ux/SE+QaRc+9XqFSHHKD1XqF/9zSYBgWjE910EcpdYEdZx\n"

        + "GEkwea7Fn4brO5OpIrHY/45naqbUOBzv6gufMAECgYEAz7PHCdcrQvmOb8EiNbQH\n"

        + "uvSimwObWJFeN1ykp6mfRbSnkXw7p8+M4Tc8HFi8QLpoq63Ev2AwoaQCQvHbFC2Y\n"

        + "1Cz0EkC0aOp+tZP7U2AUBdkcDesZAJQTad0zV6KesyIUXdxZXDG8JJ1XSNWfTJV4\n"

        + "QD+BjLZ0jiAyCIfVYvWQqYkCgYEAzIln1nKTixLMPr5CldSmR7ZarEtPJU+hHwVg\n"

        + "dV/Lc6d2Yy9JgunOXRo4BXB1TEo8JFbK3HBQH6tS8li4qDr7WK5wyYfh8qb4WZyu\n"

        + "lc562f2WVYntcN8/Ojb+Vyrt7lk9sq/8KoVHxEAWd6mqL9VTPYuAu1Vw9fTGIZfB\n"

        + "lDeELYECgYAvdzU4UXzofGGJtohb332YwwlaBZP9xJLUcg6K5l+orWVSASMc8XiP\n"

        + "i3DoRXsYC8GZ4kdBOPlEJ1gA9oaLcPQpIPDSLwlLpLM6Scw4vI822uvnXl/DWxOo\n"

        + "sM1n7Jj59QLUhGPDhvYpI+/rjC4wcUQe4qR3hMbUKBVnD6u7RsU9iQKBgQCQ17VK\n"

        + "7bSCRfuRaxaoGADww7gOTv5rQ6qr1xjpxb7D1hFGR9Rc+smCsPB/GZZXQjK44SWj\n"

        + "WX3ED4Ubzaxmpe4cbNu+O5XMSmWQwB36RFBHUwdE5/nXdqDFzu/qNqJrqZLBmVKP\n"

        + "ofaiiWffsaytVvotmT6+atElvAMbAua42V+nAQKBgHtIn3mYMHLriYGhQzpkFEA2\n"

        + "8YcAMlKppueOMAKVy8nLu2r3MidmLAhMiKJQKG45I3Yg0/t/25tXLiOPJlwrOebh\n"

        + "xQqUBI/JUOIpGAEnr48jhOXnCS+i+z294G5U/RgjXrlR4bCPvrtCmwzWwe0h79w2\n"

        + "Q2hO5ZTW6UD9CVA85whf";

    private static SSLContext createSSLContext() throws Exception {

        // Generate certificate from cert string

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

        // Create a key store

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

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

        ts.load(null, null);

        ks.load(null, null);

        char passphrase[] = "passphrase".toCharArray();

        // Import the trusted cert

        ts.setCertificateEntry("trusted-cert-RSASSA-PSS",

                cf.generateCertificate(new ByteArrayInputStream(

                        trustedCertStr.getBytes())));

        boolean hasKeyMaterials = keyCertStr != null && privateKey != null;

        if (hasKeyMaterials) {

            // Generate the private key.

            PKCS8EncodedKeySpec priKeySpec = new PKCS8EncodedKeySpec(

                    Base64.getMimeDecoder().decode(privateKey));

            KeyFactory kf = KeyFactory.getInstance("RSASSA-PSS");

            PrivateKey priKey = kf.generatePrivate(priKeySpec);

            // Generate certificate chain

            Certificate keyCert = cf.generateCertificate(

                    new ByteArrayInputStream(keyCertStr.getBytes()));

            Certificate[] chain = new Certificate[]{keyCert};

            // Import the key entry.

            ks.setKeyEntry("cert-RSASSA-PSS", priKey, passphrase, chain);

        }

        // Create SSL context

        TrustManagerFactory tmf = TrustManagerFactory.getInstance("PKIX");

        tmf.init(ts);

        SSLContext context = SSLContext.getInstance("TLS");

        if (hasKeyMaterials) {

            KeyManagerFactory kmf = KeyManagerFactory.getInstance("NewSunX509");

            kmf.init(ks, passphrase);

            context.init(kmf.getKeyManagers(), tmf.getTrustManagers(), null);

        } else {

            context.init(null, tmf.getTrustManagers(), null);

        }

        return context;

    }

}