WebGoat/main/project/JavaSource/org/owasp/webgoat/lessons/TraceXSS.java

package org.owasp.webgoat.lessons;

import java.util.ArrayList;
import java.util.List;
import java.util.regex.Pattern;
import org.apache.ecs.Element;
import org.apache.ecs.ElementContainer;
import org.apache.ecs.html.BR;
import org.apache.ecs.html.Center;
import org.apache.ecs.html.H1;
import org.apache.ecs.html.HR;
import org.apache.ecs.html.Input;
import org.apache.ecs.html.TD;
import org.apache.ecs.html.TH;
import org.apache.ecs.html.TR;
import org.apache.ecs.html.Table;
import org.owasp.webgoat.session.ECSFactory;
import org.owasp.webgoat.session.WebSession;
import org.owasp.webgoat.util.HtmlEncoder;


/***************************************************************************************************
 * 
 * 
 * This file is part of WebGoat, an Open Web Application Security Project utility. For details,
 * please see http://www.owasp.org/
 * 
 * Copyright (c) 2002 - 2007 Bruce Mayhew
 * 
 * This program is free software; you can redistribute it and/or modify it under the terms of the
 * GNU General Public License as published by the Free Software Foundation; either version 2 of the
 * License, or (at your option) any later version.
 * 
 * This program 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
 * General Public License for more details.
 * 
 * You should have received a copy of the GNU General Public License along with this program; if
 * not, write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
 * 02111-1307, USA.
 * 
 * Getting Source ==============
 * 
 * Source for this application is maintained at code.google.com, a repository for free software
 * projects.
 * 
 * For details, please see http://code.google.com/p/webgoat/
 * 
 * @author Bruce Mayhew <a href="http://code.google.com/p/webgoat">WebGoat</a>
 * @created October 28, 2003
 */

public class TraceXSS extends LessonAdapter
{

	/**
	 * Description of the Method
	 * 
	 * @param s
	 *            Description of the Parameter
	 * @return Description of the Return Value
	 */

	protected Element createContent(WebSession s)
	{

		ElementContainer ec = new ElementContainer();
		String regex1 = "^[0-9]{3}$";// any three digits
		Pattern pattern1 = Pattern.compile(regex1);

		try
		{
			String param1 = s.getParser().getRawParameter("field1", "111");
			String param2 = HtmlEncoder.encode(s.getParser().getRawParameter("field2", "4128 3214 0002 1999"));
			float quantity = 1.0f;
			float total = 0.0f;
			float runningTotal = 0.0f;

			// test input field1
			if (!pattern1.matcher(param1).matches())
			{
				if (param1.toLowerCase().indexOf("script") != -1 && param1.toLowerCase().indexOf("trace") != -1)
				{
					makeSuccess(s);
				}

				s.setMessage("Whoops! You entered " + param1 + " instead of your three digit code.  Please try again.");
			}

			// FIXME: encode output of field2, then s.setMessage( field2 );

			ec.addElement(new HR().setWidth("90%"));
			ec.addElement(new Center().addElement(new H1().addElement("Shopping Cart ")));
			Table t = new Table().setCellSpacing(0).setCellPadding(2).setBorder(1).setWidth("90%").setAlign("center");

			if (s.isColor())
			{
				t.setBorder(1);
			}

			TR tr = new TR();
			tr.addElement(new TH().addElement("Shopping Cart Items -- To Buy Now").setWidth("80%"));
			tr.addElement(new TH().addElement("Price").setWidth("10%"));
			tr.addElement(new TH().addElement("Quantity").setWidth("3%"));
			tr.addElement(new TH().addElement("Total").setWidth("7%"));
			t.addElement(tr);

			tr = new TR();
			tr.addElement(new TD().addElement("Studio RTA - Laptop/Reading Cart with Tilting Surface - Cherry "));
			tr.addElement(new TD().addElement("69.99").setAlign("right"));
			tr.addElement(new TD().addElement(
												new Input(Input.TEXT, "QTY1", s.getParser().getStringParameter("QTY1",
																												"1")))
					.setAlign("right"));
			quantity = s.getParser().getFloatParameter("QTY1", 1.0f);
			total = quantity * 69.99f;
			runningTotal += total;
			tr.addElement(new TD().addElement("$" + total));
			t.addElement(tr);
			tr = new TR();
			tr.addElement(new TD().addElement("Dynex - Traditional Notebook Case"));
			tr.addElement(new TD().addElement("27.99").setAlign("right"));
			tr.addElement(new TD().addElement(
												new Input(Input.TEXT, "QTY2", s.getParser().getStringParameter("QTY2",
																												"1")))
					.setAlign("right"));
			quantity = s.getParser().getFloatParameter("QTY2", 1.0f);
			total = quantity * 27.99f;
			runningTotal += total;
			tr.addElement(new TD().addElement("$" + total));
			t.addElement(tr);
			tr = new TR();
			tr.addElement(new TD().addElement("Hewlett-Packard - Pavilion Notebook with Intel<65> Centrino<6E>"));
			tr.addElement(new TD().addElement("1599.99").setAlign("right"));
			tr.addElement(new TD().addElement(
												new Input(Input.TEXT, "QTY3", s.getParser().getStringParameter("QTY3",
																												"1")))
					.setAlign("right"));
			quantity = s.getParser().getFloatParameter("QTY3", 1.0f);
			total = quantity * 1599.99f;
			runningTotal += total;
			tr.addElement(new TD().addElement("$" + total));
			t.addElement(tr);
			tr = new TR();
			tr.addElement(new TD().addElement("3 - Year Performance Service Plan $1000 and Over "));
			tr.addElement(new TD().addElement("299.99").setAlign("right"));

			tr.addElement(new TD().addElement(
												new Input(Input.TEXT, "QTY4", s.getParser().getStringParameter("QTY4",
																												"1")))
					.setAlign("right"));
			quantity = s.getParser().getFloatParameter("QTY4", 1.0f);
			total = quantity * 299.99f;
			runningTotal += total;
			tr.addElement(new TD().addElement("$" + total));
			t.addElement(tr);

			ec.addElement(t);

			t = new Table().setCellSpacing(0).setCellPadding(2).setBorder(0).setWidth("90%").setAlign("center");

			if (s.isColor())
			{
				t.setBorder(1);
			}

			ec.addElement(new BR());

			tr = new TR();
			tr.addElement(new TD().addElement("The total charged to your credit card:"));
			tr.addElement(new TD().addElement("$" + runningTotal));
			tr.addElement(new TD().addElement(ECSFactory.makeButton("Update Cart")));
			t.addElement(tr);
			tr = new TR();
			tr.addElement(new TD().addElement("&nbsp;").setColSpan(2));
			t.addElement(tr);
			tr = new TR();
			tr.addElement(new TD().addElement("Enter your credit card number:"));
			tr.addElement(new TD().addElement(new Input(Input.TEXT, "field2", param2)));
			t.addElement(tr);
			tr = new TR();
			tr.addElement(new TD().addElement("Enter your three digit access code:"));
			tr.addElement(new TD().addElement(new Input(Input.TEXT, "field1", param1)));
			t.addElement(tr);

			Element b = ECSFactory.makeButton("Purchase");
			tr = new TR();
			tr.addElement(new TD().addElement(b).setColSpan(2).setAlign("center"));
			t.addElement(tr);

			ec.addElement(t);
			ec.addElement(new BR());
			ec.addElement(new HR().setWidth("90%"));
		} catch (Exception e)
		{
			s.setMessage("Error generating " + this.getClass().getName());
			e.printStackTrace();
		}
		return (ec);
	}

	/**
	 * DOCUMENT ME!
	 * 
	 * @return DOCUMENT ME!
	 */
	protected Category getDefaultCategory()
	{
		return Category.XSS;
	}

	/**
	 * Gets the hints attribute of the AccessControlScreen object
	 * 
	 * @return The hints value
	 */
	protected List<String> getHints(WebSession s)
	{
		List<String> hints = new ArrayList<String>();
		hints.add("Most web servers support GET/POST.  Many default installations also support TRACE");
		hints.add("JavaScript has the ability to post a URL:<br>"
				+ "&lt;script type=\"text/javascript\"&gt;if ( navigator.appName.indexOf(\"Microsoft\") !=-1)"
				+ " {var xmlHttp = new ActiveXObject(\"Microsoft.XMLHTTP\");xmlHttp.open(\"GET\", \"./\", false);"
				+ " xmlHttp.send();str1=xmlHttp.responseText;  " + "document.write(str1);&lt;/script&gt;");
		hints.add("Try changing the HTTP GET to a HTTP TRACE");
		hints
				.add("Try a cross site trace (XST) Command:<br>"
						+ "&lt;script type=\"text/javascript\"&gt;if ( navigator.appName.indexOf(\"Microsoft\") !=-1)"
						+ " {var xmlHttp = new ActiveXObject(\"Microsoft.XMLHTTP\");xmlHttp.open(\"TRACE\", \"./\", false);"
						+ " xmlHttp.send();str1=xmlHttp.responseText; while (str1.indexOf(\"\\n\") > -1) str1 = str1.replace(\"\\n\",\"&lt;br&gt;\"); "
						+ "document.write(str1);}&lt;/script&gt;");
		return hints;
	}

	// <script type="text/javascript">if ( navigator.appName.indexOf("Microsoft") !=-1) {var xmlHttp
	// = new ActiveXObject("Microsoft.XMLHTTP");xmlHttp.open("TRACE", "./", false);
	// xmlHttp.send();str1=xmlHttp.responseText;document.write(str1);}</script>

	private final static Integer DEFAULT_RANKING = new Integer(130);

	protected Integer getDefaultRanking()
	{
		return DEFAULT_RANKING;
	}

	/**
	 * Gets the title attribute of the AccessControlScreen object
	 * 
	 * @return The title value
	 */
	public String getTitle()
	{
		return ("Cross Site Tracing (XST) Attacks");
	}
}