com.github.mrstampy.gameboot.otp.OtpTestConfiguration.java Source code

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/*
 *              ______                        ____              __ 
 *             / ____/___ _____ ___  ___     / __ )____  ____  / /_
 *            / / __/ __ `/ __ `__ \/ _ \   / __  / __ \/ __ \/ __/
 *           / /_/ / /_/ / / / / / /  __/  / /_/ / /_/ / /_/ / /_  
 *           \____/\__,_/_/ /_/ /_/\___/  /_____/\____/\____/\__/  
 *                                                 
 *                                 .-'\
 *                              .-'  `/\
 *                           .-'      `/\
 *                           \         `/\
 *                            \         `/\
 *                             \    _-   `/\       _.--.
 *                              \    _-   `/`-..--\     )
 *                               \    _-   `,','  /    ,')
 *                                `-_   -   ` -- ~   ,','
 *                                 `-              ,','
 *                                  \,--.    ____==-~
 *                                   \   \_-~\
 *                                    `_-~_.-'
 *                                     \-~
 * 
 *                       http://mrstampy.github.io/gameboot/
 *
 * Copyright (C) 2015, 2016 Burton Alexander
 * 
 * This program is free software; you can redistribute it and/or modify it under
 * the terms of the GNU General Public License as published by the Free Software
 * Foundation; either version 2 of the License, or (at your option) any later
 * version.
 * 
 * This program 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 for more
 * details.
 * 
 * You should have received a copy of the GNU General Public License along with
 * this program; if not, write to the Free Software Foundation, Inc., 51
 * Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
 * 
 */
package com.github.mrstampy.gameboot.otp;

import java.io.InputStream;
import java.security.KeyStore;
import java.security.KeyStoreException;
import java.security.cert.Certificate;
import java.security.cert.CertificateFactory;

import javax.jms.IllegalStateException;
import javax.net.ssl.KeyManagerFactory;
import javax.net.ssl.SSLContext;
import javax.net.ssl.TrustManagerFactory;

import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.core.io.ClassPathResource;

/**
 * The Class OtpTestConfiguration.
 */
@Configuration
public class OtpTestConfiguration {

    /** The Constant SERVER_SSL_CONTEXT. */
    public static final String SERVER_SSL_CONTEXT = "Netty Server Context";

    /** The Constant CLIENT_SSL_CONTEXT. */
    public static final String CLIENT_SSL_CONTEXT = "Netty Client Context";

    private static final String X_509 = "X.509";
    private static final String PROTOCOL = "TLS";

    private static final String JKS_LOCATION = "GameBoot.jks";
    private static final String CERT_LOCATION = "GameBoot.cer";

    private static final String HARDCODED_NSA_APPROVED_PASSWORD = "password";
    private static final String ALIAS = "GameBoot";

    /**
     * Ssl context.
     *
     * @return the SSL context
     * @throws Exception
     *           the exception
     */
    @Bean(name = SERVER_SSL_CONTEXT)
    public SSLContext sslContext() throws Exception {
        char[] password = HARDCODED_NSA_APPROVED_PASSWORD.toCharArray();

        KeyStore keystore = getKeyStore();
        keystore.load(getResource(JKS_LOCATION), password);

        KeyManagerFactory kmf = KeyManagerFactory.getInstance(KeyManagerFactory.getDefaultAlgorithm());

        kmf.init(keystore, password);

        return createContext(keystore, kmf);
    }

    /**
     * Client context.
     *
     * @return the SSL context
     * @throws Exception
     *           the exception
     */
    @Bean(name = CLIENT_SSL_CONTEXT)
    public SSLContext clientContext() throws Exception {
        CertificateFactory cf = CertificateFactory.getInstance(X_509);
        Certificate cert = cf.generateCertificate(getResource(CERT_LOCATION));

        KeyStore keystore = getKeyStore();
        keystore.load(null);
        keystore.setCertificateEntry(ALIAS, cert);

        return createContext(keystore, null);
    }

    private InputStream getResource(String name) throws Exception {
        ClassPathResource r = new ClassPathResource(name);

        if (!r.exists())
            throw new IllegalStateException("No " + name + " on the classpath");

        return r.getInputStream();
    }

    // JKS.
    private KeyStore getKeyStore() throws KeyStoreException {
        return KeyStore.getInstance(KeyStore.getDefaultType());
    }

    private SSLContext createContext(KeyStore keystore, KeyManagerFactory kmf) throws Exception {
        TrustManagerFactory trustFactory = TrustManagerFactory
                .getInstance(TrustManagerFactory.getDefaultAlgorithm());
        trustFactory.init(keystore);

        SSLContext sslContext = SSLContext.getInstance(PROTOCOL);
        sslContext.init(kmf == null ? null : kmf.getKeyManagers(), trustFactory.getTrustManagers(), null);

        return sslContext;
    }

}