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Glassfish example source code file (SecureRMIClientSocketFactory.java)

This example Glassfish source code file (SecureRMIClientSocketFactory.java) is included in the DevDaily.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" TM.

Java - Glassfish tags/keywords

arraylist, arraylist, inetaddress, integer, io, log, net, network, object, object, override, securermiclientsocketfactory, securermiclientsocketfactory, socket, ssl, sslclientconfigurator, sslparams, string, string, util

The Glassfish SecureRMIClientSocketFactory.java source code

/*
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
 *
 * Copyright (c) 1997-2010 Oracle and/or its affiliates. All rights reserved.
 *
 * The contents of this file are subject to the terms of either the GNU
 * General Public License Version 2 only ("GPL") or the Common Development
 * and Distribution License("CDDL") (collectively, the "License").  You
 * may not use this file except in compliance with the License.  You can
 * obtain a copy of the License at
 * https://glassfish.dev.java.net/public/CDDL+GPL_1_1.html
 * or packager/legal/LICENSE.txt.  See the License for the specific
 * language governing permissions and limitations under the License.
 *
 * When distributing the software, include this License Header Notice in each
 * file and include the License file at packager/legal/LICENSE.txt.
 *
 * GPL Classpath Exception:
 * Oracle designates this particular file as subject to the "Classpath"
 * exception as provided by Oracle in the GPL Version 2 section of the License
 * file that accompanied this code.
 *
 * Modifications:
 * If applicable, add the following below the License Header, with the fields
 * enclosed by brackets [] replaced by your own identifying information:
 * "Portions Copyright [year] [name of copyright owner]"
 *
 * Contributor(s):
 * If you wish your version of this file to be governed by only the CDDL or
 * only the GPL Version 2, indicate your decision by adding "[Contributor]
 * elects to include this software in this distribution under the [CDDL or GPL
 * Version 2] license."  If you don't indicate a single choice of license, a
 * recipient has the option to distribute your version of this file under
 * either the CDDL, the GPL Version 2 or to extend the choice of license to
 * its licensees as provided above.  However, if you add GPL Version 2 code
 * and therefore, elected the GPL Version 2 license, then the option applies
 * only if the new code is made subject to such option by the copyright
 * holder.
 */

package org.glassfish.admin.mbeanserver.ssl;

import java.io.IOException;
import java.io.Serializable;
import java.net.InetAddress;
import java.net.Socket;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.Map;
import java.util.logging.Level;
import java.util.logging.Logger;
import javax.net.ssl.SSLContext;
import javax.net.ssl.SSLSocket;
import javax.rmi.ssl.SslRMIClientSocketFactory;


    /**
     * Inner class for SSL support for JMX connection using RMI.
     */
    public final class SecureRMIClientSocketFactory
            extends SslRMIClientSocketFactory  {

        private transient InetAddress mAddress;
        private  transient SSLParams sslParams;
        // The list of cipher suite
        private volatile String[] enabledCipherSuites = null;
        //the list of protocols
        private volatile String[] enabledProtocols = null;
        private transient Object cipherSuitesSync = new Object();
        private transient Object protocolsSync = new Object();
        private transient Map socketMap = new HashMap<Integer, Socket>();
        private transient Logger  _logger = Logger.getLogger(SecureRMIClientSocketFactory.class.getName());

        public SecureRMIClientSocketFactory(final SSLParams sslParams,
                final InetAddress addr) {
            super();
            mAddress = addr;
            this.sslParams = sslParams;
            if(sslParams != null) {
                _logger.log(Level.INFO, "Creating a SecureRMIClientSocketFactory @ " +
                    addr.getHostAddress() + "with ssl config = " + sslParams.toString());
            }
        }

        public SecureRMIClientSocketFactory() {

        }


        @Override
        public boolean equals(Object obj) {
            if (obj instanceof SecureRMIClientSocketFactory) {
                 return(this.hashCode()==obj.hashCode());
            } else  {
                return false;
            }
        }

        @Override
        public int hashCode() {
             return mAddress.hashCode();
        }

        @Override
        public Socket createSocket(String host, int port) throws IOException {
            //debug( "MyRMIServerSocketFactory.createServerSocket(): " + mAddress + " : " + port );
            if(socketMap.containsKey(new Integer(port))) {
                return (Socket)socketMap.get(new Integer(port));
            }
           /* final int backlog = 5;  // plenty
            // we use a custom class here. The reason is mentioned in the class.
            final JMXSslConfigHolder sslConfigHolder;
            try {
                sslConfigHolder = new JMXSslConfigHolder(ssl);
            } catch (SSLException ssle) {
                throw new IllegalStateException(ssle);
            }

            sslConfigHolder.configureSSL();
            final SSLContext context = sslConfigHolder.getSSLContext();

            SSLSocket sslSocket =
                    (SSLSocket) context.getSocketFactory().createSocket(mAddress, port);
            configureSSLSocket(sslSocket, sslConfigHolder);
            Util.getLogger().info("SSLSocket " +
                    sslSocket.getLocalSocketAddress() + "and" + sslSocket.toString()+ " created"); */
            final int backlog = 5;

            SSLClientConfigurator sslCC = SSLClientConfigurator.getInstance();
            _logger.log(Level.INFO, "Setting SSLParams @ " +
                     sslParams);
            sslCC.setSSLParams(sslParams);
            SSLContext sslContext = sslCC.configure(sslParams);
            SSLSocket sslSocket =
                    (SSLSocket)sslContext.getSocketFactory().createSocket(mAddress, port);
            configureSSLSocket(sslSocket, sslCC);

            //sslSocket.startHandshake();
            //debug( "MyRMIServerSocketFactory.createServerSocket(): " + mAddress + " : " + port );
            socketMap.put(new Integer(8686), sslSocket);
            return sslSocket;
        }

        /**********************************************************************
         *  Private Methods
         ********************************************************************** /

        /**
         * Configures the client socket with the enabled protocols and cipher suites.
         * @param sslSocket
         * @param sslCC
         */

        private void configureSSLSocket(SSLSocket sslSocket,
                SSLClientConfigurator sslCC) {
            if (sslCC.getEnabledCipherSuites() != null) {
                if (enabledCipherSuites == null) {
                    synchronized (cipherSuitesSync) {
                        if (enabledCipherSuites == null) {
                            enabledCipherSuites = configureEnabledCiphers(sslSocket,
                                    sslCC.getEnabledCipherSuites());
                        }
                    }
                }
                 sslSocket.setEnabledCipherSuites(enabledCipherSuites);
            }

            if (sslCC.getEnabledProtocols() != null) {
                if (enabledProtocols == null) {
                    synchronized (protocolsSync) {
                        if (enabledProtocols == null) {
                            enabledProtocols = configureEnabledProtocols(sslSocket,
                                    sslCC.getEnabledProtocols());
                        }
                    }
                }
                sslSocket.setEnabledProtocols(enabledProtocols);
            }

            sslSocket.setUseClientMode(true);
        }

        /**
         * Return the list of allowed protocol.
         * @return String[] an array of supported protocols.
         */
        private final static String[] configureEnabledProtocols(
                SSLSocket socket, String[] requestedProtocols) {

            String[] supportedProtocols = socket.getSupportedProtocols();
            String[] protocols = null;
            ArrayList<String> list = null;
            for (String supportedProtocol : supportedProtocols) {
                /*
                 * Check to see if the requested protocol is among the
                 * supported protocols, i.e., may be enabled
                 */
                for (String protocol : requestedProtocols) {
                    protocol = protocol.trim();
                    if (supportedProtocol.equals(protocol)) {
                        if (list == null) {
                            list = new ArrayList<String>();
                        }
                        list.add(protocol);
                        break;
                    }
                }
            }

            if (list != null) {
                protocols = list.toArray(new String[list.size()]);
            }

            return protocols;
        }

        /**
         * Determines the SSL cipher suites to be enabled.
         *
         * @return Array of SSL cipher suites to be enabled, or null if none of the
         * requested ciphers are supported
         */
        private final static String[] configureEnabledCiphers(SSLSocket socket,
                String[] requestedCiphers) {

            String[] supportedCiphers = socket.getSupportedCipherSuites();
            String[] ciphers = null;
            ArrayList<String> list = null;
            for (String supportedCipher : supportedCiphers) {
                /*
                 * Check to see if the requested protocol is among the
                 * supported protocols, i.e., may be enabled
                 */
                for (String cipher : requestedCiphers) {
                    cipher = cipher.trim();
                    if (supportedCipher.equals(cipher)) {
                        if (list == null) {
                            list = new ArrayList<String>();
                        }
                        list.add(cipher);
                        break;
                    }
                }
            }

            if (list != null) {
                ciphers = list.toArray(new String[list.size()]);
            }

            return ciphers;
        }
    }

Other Glassfish examples (source code examples)

Here is a short list of links related to this Glassfish SecureRMIClientSocketFactory.java source code file:

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