com.vmware.aurora.vc.vcservice.TlsSocketFactory.java Source code

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Here is the source code for com.vmware.aurora.vc.vcservice.TlsSocketFactory.java

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/******************************************************************************
 *   Copyright (c) 2014 VMware, Inc. All Rights Reserved.
 *   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 com.vmware.aurora.vc.vcservice;

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

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

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.SecureProtocolSocketFactory;
import org.apache.log4j.Logger;

/**
 * Created By xiaoliangl on 12/16/14.
 */
public class TlsSocketFactory implements SecureProtocolSocketFactory {
    /**
     * Log object for this class.
     */
    private static final Logger LOG = Logger.getLogger(TlsSocketFactory.class);

    private SSLContext sslcontext = null;

    private TrustManager[] trustManagers = null;

    public TlsSocketFactory(TrustManager[] trustManagers1) {
        trustManagers = trustManagers1;
    }

    private SSLContext createEasySSLContext() {
        try {
            SSLContext context = SSLContext.getInstance("TLS");
            context.init(null, trustManagers, null);
            return context;
        } catch (Exception e) {
            LOG.error(e.getMessage(), e);
            throw new HttpClientError(e.toString());
        }
    }

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

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

    @Override
    public Socket createSocket(String host, int port, InetAddress localAddress, int localPort)
            throws IOException, UnknownHostException {
        return getSSLContext().getSocketFactory().createSocket(host, port, localAddress, localPort);
    }

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

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