org.kawanfw.test.parms.ProxyLoader.java Source code

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Here is the source code for org.kawanfw.test.parms.ProxyLoader.java

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/*
 * This file is part of AceQL. 
 * AceQL: Remote JDBC access over HTTP.                                     
 * Copyright (C) 2015,  KawanSoft SAS
 * (http://www.kawansoft.com). All rights reserved.                                
 *                                                                               
 * AceQL is free software; you can redistribute it and/or                 
 * modify it under the terms of the GNU Lesser General Public                    
 * License as published by the Free Software Foundation; either                  
 * version 2.1 of the License, or (at your option) any later version.            
 *                                                                               
 * AceQL is distributed in the hope that it will be useful,               
 * but WITHOUT ANY WARRANTY; without even the implied warranty of                
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU             
 * Lesser General Public License for more details.                               
 *                                                                               
 * You should have received a copy of the GNU Lesser General Public              
 * License along with this library; if not, write to the Free Software           
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  
 * 02110-1301  USA
 *
 * Any modifications to this file must keep this entire header
 * intact.
 */
package org.kawanfw.test.parms;

import java.io.File;
import java.io.FileNotFoundException;
import java.io.IOException;
import java.net.InetSocketAddress;
import java.net.PasswordAuthentication;
import java.net.Proxy;
import java.net.ProxySelector;
import java.net.URI;
import java.net.URISyntaxException;
import java.util.List;

import org.apache.commons.io.FileUtils;
import org.apache.commons.lang3.StringUtils;
import org.kawanfw.commons.util.FrameworkSystemUtil;

/**
 * @author Nicolas de Pomereu
 *
 */
public class ProxyLoader {

    private static final String NEOTUNNEL_TXT = "i:\\neotunnel.txt";

    /** Proxy to use with HttpUrlConnection */
    private Proxy proxy = null;

    /** For authenticated proxy */
    private PasswordAuthentication passwordAuthentication = null;

    /**
     * 
     */
    public ProxyLoader() {

    }

    public Proxy getProxy() throws IOException, URISyntaxException {
        if (FrameworkSystemUtil.isAndroid()) {
            return null;
        }

        System.setProperty("java.net.useSystemProxies", "true");
        List<Proxy> proxies = ProxySelector.getDefault().select(new URI("http://www.google.com/"));

        if (proxies != null && proxies.size() >= 1) {
            System.out.println("Loading proxy file info...");

            if (proxies.get(0).type().equals(Proxy.Type.DIRECT)) {
                return null;
            }

            File file = new File(NEOTUNNEL_TXT);
            if (file.exists()) {
                String proxyValues = FileUtils.readFileToString(file);
                String username = StringUtils.substringBefore(proxyValues, " ");
                String password = StringUtils.substringAfter(proxyValues, " ");

                username = username.trim();
                password = password.trim();

                proxy = new Proxy(Proxy.Type.HTTP, new InetSocketAddress("localhost", 8080));

                passwordAuthentication = new PasswordAuthentication(username, password.toCharArray());

                System.out.println("USING PROXY WITH AUTHENTICATION: " + proxy + " / " + username + " " + password);
            } else {
                throw new FileNotFoundException("proxy values not found. No file " + file);
            }
        }

        return proxy;
    }

    /**
     * @return the passwordAuthentication
     */
    public PasswordAuthentication getPasswordAuthentication() {
        return passwordAuthentication;
    }
}