RMISSLClientSocketFactory.java

/**
 * Copyright 1999-2009 The Pegadi Team
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package org.pegadi.server;

import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

import javax.net.ssl.SSLContext;
import javax.net.ssl.SSLSocketFactory;
import javax.net.ssl.TrustManager;
import javax.net.ssl.TrustManagerFactory;
import java.io.IOException;
import java.io.InputStream;
import java.io.Serializable;
import java.net.Socket;
import java.rmi.server.RMIClientSocketFactory;
import java.security.KeyManagementException;
import java.security.KeyStore;
import java.security.KeyStoreException;
import java.security.NoSuchAlgorithmException;
import java.security.cert.CertificateException;

public class RMISSLClientSocketFactory implements RMIClientSocketFactory, Serializable {

    private static final long serialVersionUID = 1934656691202185780L;

    public Socket createSocket(String host, int port) throws IOException {
        Logger log = LoggerFactory.getLogger(getClass());

        try {
            TrustManager[] trustManagers = null;

            if (System.getProperty("javax.net.ssl.trustStore") == null) {

                log.info("javax.net.ssl.trustStore is not set, will look for trustStore in classpath (\"/cacerts\")");
                KeyStore trustStore = KeyStore.getInstance(KeyStore.getDefaultType());

                if(System.getProperty("developerMode") != null){
                    InputStream stream = getClass().getResourceAsStream("dummycacert");
                    log.info("(devmode) RMISSLClientSocketFactory.createSocket: truststore stream is " + stream);
                    trustStore.load(stream, "changeme".toCharArray());
                }else{
                    InputStream trustStoreStream = getClass().getResourceAsStream("cacerts");
                    log.info("RMISSLClientSocketFactory.createSocket: truststore stream is " + trustStoreStream);
                    trustStore.load(trustStoreStream, "changeme".toCharArray());
                }
                TrustManagerFactory tmf = TrustManagerFactory.getInstance(TrustManagerFactory.getDefaultAlgorithm());

                tmf.init(trustStore);

                trustManagers = tmf.getTrustManagers();
            } else {
                log.info("Using default trustStore: " + System.getProperty("javax.net.ssl.trustStore"));
            }

            SSLContext sslContext = SSLContext.getInstance("TLS");
            sslContext.init(null, trustManagers, null);

            SSLSocketFactory factory = sslContext.getSocketFactory();

            return factory.createSocket(host, port);
        } catch (NoSuchAlgorithmException e) {
            log.error("Exception during setup of client SSL",e);
            return null;
        } catch (KeyManagementException e) {
            log.error("Exception during setup of client SSL",e);
            return null;
        } catch (CertificateException e) {
            log.error("Exception during setup of client SSL",e);
            return null;
        } catch (KeyStoreException e) {
            log.error("Exception during setup of client SSL",e);
            return null;
        }
    }
}