com.utest.domain.service.util.TrustedSSLUtil.java Source code

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Here is the source code for com.utest.domain.service.util.TrustedSSLUtil.java

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/**
 *
 * Licensed under the GNU General Public License (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.gnu.org/licenses/gpl.txt
 *
 * 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.
 *
 * 
 * @author Vadim Kisen
 *
 * copyright 2010 by uTest 
 */
package com.utest.domain.service.util;

import java.io.IOException;
import java.net.InetAddress;
import java.net.InetSocketAddress;
import java.net.Socket;
import java.net.SocketAddress;
import java.net.UnknownHostException;

import javax.net.SocketFactory;
import javax.net.ssl.SSLContext;
import javax.net.ssl.TrustManager;
import javax.net.ssl.X509TrustManager;

import org.apache.commons.httpclient.ConnectTimeoutException;
import org.apache.commons.httpclient.HttpClientError;
import org.apache.commons.httpclient.params.HttpConnectionParams;
import org.apache.commons.httpclient.protocol.Protocol;
import org.apache.commons.httpclient.protocol.ProtocolSocketFactory;

/**
 * Utility to override SSL exceptions thrown. Should be called before trying to
 * access other applications via HTTPS protocol when no valid certificate is
 * available.
 * 
 * @author VKISEN
 * 
 */
public class TrustedSSLUtil implements ProtocolSocketFactory {

    public static void initialize() {
        Protocol.registerProtocol("https", new Protocol("https", new TrustedSSLUtil(), 443));
    }

    private SSLContext sslcontext = null;

    private static TrustManager trustAllCerts = new X509TrustManager() {
        public java.security.cert.X509Certificate[] getAcceptedIssuers() {
            return null;
        }

        public void checkClientTrusted(final java.security.cert.X509Certificate[] certs, final String authType) {
        }

        public void checkServerTrusted(final java.security.cert.X509Certificate[] certs, final String authType) {
        }
    };

    /**
     * Constructor for TrustedSSLUtil.
     */
    private TrustedSSLUtil() {
        super();
    }

    private static SSLContext createSSLContext() {
        try {
            final SSLContext context = SSLContext.getInstance("SSL");
            context.init(null, new TrustManager[] { trustAllCerts }, null);
            return context;
        } catch (final Exception e) {
            throw new HttpClientError(e.toString());
        }
    }

    private SSLContext getSSLContext() {
        if (this.sslcontext == null) {
            this.sslcontext = createSSLContext();
        }
        return this.sslcontext;
    }

    public Socket createSocket(final String host, final int port, final InetAddress clientHost,
            final int clientPort) throws IOException, UnknownHostException {
        return getSSLContext().getSocketFactory().createSocket(host, port, clientHost, clientPort);
    }

    public Socket createSocket(final String host, final int port, final InetAddress localAddress,
            final int localPort, final HttpConnectionParams params)
            throws IOException, UnknownHostException, ConnectTimeoutException {
        if (params == null) {
            throw new IllegalArgumentException("Parameters may not be null");
        }
        final int timeout = params.getConnectionTimeout();
        final SocketFactory socketfactory = getSSLContext().getSocketFactory();
        if (timeout == 0) {
            return socketfactory.createSocket(host, port, localAddress, localPort);
        } else {
            final Socket socket = socketfactory.createSocket();
            final SocketAddress localaddr = new InetSocketAddress(localAddress, localPort);
            final SocketAddress remoteaddr = new InetSocketAddress(host, port);
            socket.bind(localaddr);
            socket.connect(remoteaddr, timeout);
            return socket;
        }
    }

    public Socket createSocket(final String host, final int port) throws IOException, UnknownHostException {
        return getSSLContext().getSocketFactory().createSocket(host, port);
    }

    public Socket createSocket(final Socket socket, final String host, final int port, final boolean autoClose)
            throws IOException, UnknownHostException {
        return getSSLContext().getSocketFactory().createSocket(socket, host, port, autoClose);
    }

    @Override
    public boolean equals(final Object obj) {
        return ((obj != null) && obj.getClass().equals(TrustedSSLUtil.class));
    }

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