ch.admin.vbs.cube.core.webservice.CubeSSLSocketFactory.java Source code

Introduction

Here is the source code for ch.admin.vbs.cube.core.webservice.CubeSSLSocketFactory.java

Source

/**
 * Copyright (C) 2011 / cube-team <https://cube.forge.osor.eu>
 *
 * 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 ch.admin.vbs.cube.core.webservice;

import java.security.InvalidAlgorithmParameterException;
import java.security.KeyManagementException;
import java.security.KeyStore;
import java.security.KeyStoreException;
import java.security.NoSuchAlgorithmException;
import java.security.cert.PKIXBuilderParameters;

import javax.net.ssl.CertPathTrustManagerParameters;
import javax.net.ssl.KeyManagerFactory;
import javax.net.ssl.KeyStoreBuilderParameters;
import javax.net.ssl.SSLContext;
import javax.net.ssl.SSLSocketFactory;
import javax.net.ssl.TrustManagerFactory;
import javax.xml.ws.WebServiceException;

import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;

/**
 * The <code>WebserviceSocketFactory</code> is a helper class to create socket
 * factories used by web clients.
 * 
 */
public class CubeSSLSocketFactory {
    private static final Log LOG = LogFactory.getLog(CubeSSLSocketFactory.class);

    /**
     * Create a new SSL socket factory.
     * 
     * @param keyStoreBuilder
     *            the key store builder
     * @param trustStore
     *            the trust store
     * @param checkRevocation
     *            <code>true</code> if certificate revocations should be
     *            checked, else <code>false</code>
     * @throws WebServiceException
     *             if the creation failed
     */
    public static SSLSocketFactory newSSLSocketFactory(KeyStore.Builder keyStoreBuilder, KeyStore trustStore,
            boolean checkRevocation) throws WebServiceException {
        KeyManagerFactory keyManagerFactory;
        try {
            keyManagerFactory = KeyManagerFactory.getInstance("NewSunX509");
        } catch (NoSuchAlgorithmException e) {
            String message = "Unable to create key manager factory";
            LOG.error(message + ": " + e.getMessage());
            throw new WebServiceException(message, e);
        }
        KeyStoreBuilderParameters keyStoreBuilderParameters = new KeyStoreBuilderParameters(keyStoreBuilder);
        try {
            keyManagerFactory.init(keyStoreBuilderParameters);
        } catch (InvalidAlgorithmParameterException e) {
            String message = "Unable to initialize key manager factory";
            LOG.error(message + ": " + e.getMessage());
            throw new WebServiceException(message, e);
        }
        TrustManagerFactory trustManagerFactory;
        try {
            trustManagerFactory = TrustManagerFactory.getInstance(TrustManagerFactory.getDefaultAlgorithm());
        } catch (NoSuchAlgorithmException e) {
            String message = "Unable to create trust manager factory";
            LOG.error(message + ": " + e.getMessage());
            throw new WebServiceException(message, e);
        }
        PKIXBuilderParameters pkixBuilderParameters;
        try {
            pkixBuilderParameters = new PKIXBuilderParameters(trustStore, null);
        } catch (KeyStoreException e) {
            String message = "The trust store is not initialized";
            LOG.error(message + ": " + e.getMessage());
            throw new WebServiceException(message, e);
        } catch (InvalidAlgorithmParameterException e) {
            String message = "The trust store does not contain any trusted certificate";
            LOG.error(message + ": " + e.getMessage());
            throw new WebServiceException(message, e);
        } catch (NullPointerException e) {
            String message = "The trust store is null";
            LOG.error(message + ": " + e.getMessage());
            throw new WebServiceException(message, e);
        }
        pkixBuilderParameters.setRevocationEnabled(checkRevocation);
        CertPathTrustManagerParameters certPathTrustManagerParameters = new CertPathTrustManagerParameters(
                pkixBuilderParameters);
        try {
            trustManagerFactory.init(certPathTrustManagerParameters);
        } catch (InvalidAlgorithmParameterException e) {
            String message = "Unable to initialize trust manager factory";
            LOG.error(message + ": " + e.getMessage());
            throw new WebServiceException(message, e);
        }
        SSLContext sslContext;
        try {
            sslContext = SSLContext.getInstance("TLS");
        } catch (NoSuchAlgorithmException e) {
            String message = "Unable to create SSL context";
            LOG.error(message + ": " + e.getMessage());
            throw new WebServiceException(message, e);
        }
        try {
            sslContext.init(keyManagerFactory.getKeyManagers(), trustManagerFactory.getTrustManagers(), null);
        } catch (KeyManagementException e) {
            String message = "Unable to initialize SSL context";
            LOG.error(message + ": " + e.getMessage());
            throw new WebServiceException(message, e);
        }
        SSLSocketFactory sslSocketFactory = sslContext.getSocketFactory();
        return sslSocketFactory;
    }
}