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      1 /*
      2  * Copyright (c) 2006-2011 Christian Plattner. All rights reserved.
      3  * Please refer to the LICENSE.txt for licensing details.
      4  */
      5 package ch.ethz.ssh2;
      6 
      7 /**
      8  * A <code>HTTPProxyData</code> object is used to specify the needed connection data
      9  * to connect through a HTTP proxy.
     10  *
     11  * @see Connection#setProxyData(ProxyData)
     12  *
     13  * @author Christian Plattner
     14  * @version 2.50, 03/15/10
     15  */
     16 
     17 public class HTTPProxyData implements ProxyData
     18 {
     19 	public final String proxyHost;
     20 	public final int proxyPort;
     21 	public final String proxyUser;
     22 	public final String proxyPass;
     23 	public final String[] requestHeaderLines;
     24 
     25 	/**
     26 	 * Same as calling {@link #HTTPProxyData(String, int, String, String) HTTPProxyData(proxyHost, proxyPort, <code>null</code>, <code>null</code>)}
     27 	 *
     28 	 * @param proxyHost Proxy hostname.
     29 	 * @param proxyPort Proxy port.
     30 	 */
     31 	public HTTPProxyData(String proxyHost, int proxyPort)
     32 	{
     33 		this(proxyHost, proxyPort, null, null);
     34 	}
     35 
     36 	/**
     37 	 * Same as calling {@link #HTTPProxyData(String, int, String, String, String[]) HTTPProxyData(proxyHost, proxyPort, <code>null</code>, <code>null</code>, <code>null</code>)}
     38 	 *
     39 	 * @param proxyHost Proxy hostname.
     40 	 * @param proxyPort Proxy port.
     41 	 * @param proxyUser Username for basic authentication (<code>null</code> if no authentication is needed).
     42 	 * @param proxyPass Password for basic authentication (<code>null</code> if no authentication is needed).
     43 	 */
     44 	public HTTPProxyData(String proxyHost, int proxyPort, String proxyUser, String proxyPass)
     45 	{
     46 		this(proxyHost, proxyPort, proxyUser, proxyPass, null);
     47 	}
     48 
     49 	/**
     50 	 * Connection data for a HTTP proxy. It is possible to specify a username and password
     51 	 * if the proxy requires basic authentication. Also, additional request header lines can
     52 	 * be specified (e.g., "User-Agent: CERN-LineMode/2.15 libwww/2.17b3").
     53 	 * <p>
     54 	 * Please note: if you want to use basic authentication, then both <code>proxyUser</code>
     55 	 * and <code>proxyPass</code> must be non-null.
     56 	 * <p>
     57 	 * Here is an example:
     58 	 * <p>
     59 	 * <code>
     60 	 * new HTTPProxyData("192.168.1.1", "3128", "proxyuser", "secret", new String[] {"User-Agent: GanymedBasedClient/1.0", "X-My-Proxy-Option: something"});
     61 	 * </code>
     62 	 *
     63 	 * @param proxyHost Proxy hostname.
     64 	 * @param proxyPort Proxy port.
     65 	 * @param proxyUser Username for basic authentication (<code>null</code> if no authentication is needed).
     66 	 * @param proxyPass Password for basic authentication (<code>null</code> if no authentication is needed).
     67 	 * @param requestHeaderLines An array with additional request header lines (without end-of-line markers)
     68 	 *        that have to be sent to the server. May be <code>null</code>.
     69 	 */
     70 
     71 	public HTTPProxyData(String proxyHost, int proxyPort, String proxyUser, String proxyPass,
     72 			String[] requestHeaderLines)
     73 	{
     74 		if (proxyHost == null)
     75 			throw new IllegalArgumentException("proxyHost must be non-null");
     76 
     77 		if (proxyPort < 0)
     78 			throw new IllegalArgumentException("proxyPort must be non-negative");
     79 
     80 		this.proxyHost = proxyHost;
     81 		this.proxyPort = proxyPort;
     82 		this.proxyUser = proxyUser;
     83 		this.proxyPass = proxyPass;
     84 		this.requestHeaderLines = requestHeaderLines;
     85 	}
     86 }
     87