PoorValidation1.java

package servlets.module.challenge;

import java.io.IOException;
import java.io.PrintWriter;
import java.util.Locale;
import java.util.ResourceBundle;

import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;

import org.apache.log4j.Logger;

import utils.Hash;
import utils.ShepherdLogManager;
import utils.Validate;
/**
 * Level : Poor Validation 1
 * <br><br>
 * 
 * This file is part of the Security Shepherd Project.
 * 
 * The Security Shepherd project 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 3 of the License, or
 * (at your option) any later version.<br/>
 * 
 * The Security Shepherd project 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.<br/>
 * 
 * You should have received a copy of the GNU General Public License
 * along with the Security Shepherd project.  If not, see <http://www.gnu.org/licenses/>. 
 * @author Mark Denihan
 *
 */
public class PoorValidation1 extends HttpServlet
{
	private static final String levelName = "Poor Validation 2";
	private static String levelSolution = "d30475881612685092e5ec469317dcc5ccc1f548a97bfdb041236b5bba7627bf";
	public static String levelHash = "ca0e89caf3c50dbf9239a0b3c6f6c17869b2a1e2edc3aa6f029fd30925d66c7e";
	private static final long serialVersionUID = 1L;
	private static org.apache.log4j.Logger log = Logger.getLogger(PoorValidation1.class);
	/**
	 * Shopping cart addition algorithm does not check for negative numbers on amounts
	 */
	public void doPost (HttpServletRequest request, HttpServletResponse response) 
	throws ServletException, IOException
	{
		//Setting IpAddress To Log and taking header for original IP if forwarded from proxy
		ShepherdLogManager.setRequestIp(request.getRemoteAddr(), request.getHeader("X-Forwarded-For"));
		HttpSession ses = request.getSession(true);
		if(Validate.validateSession(ses))
		{
			//Translation Stuff
			Locale locale = new Locale(Validate.validateLanguage(request.getSession()));
			ResourceBundle bundle = ResourceBundle.getBundle("i18n.servlets.challenges.poorValidation.poorValidationStrings", locale);
			
			String currentUser = ses.getAttribute("userName").toString();
			ShepherdLogManager.setRequestIp(request.getRemoteAddr(), request.getHeader("X-Forwarded-For"), currentUser);
			log.debug(levelName + " servlet accessed by: " + ses.getAttribute("userName").toString());
			PrintWriter out = response.getWriter();  
			out.print(getServletInfo());
			String htmlOutput = new String();
			try
			{
				int megustaAmount = Integer.parseInt(request.getParameter("megustaAmount"));
				log.debug("megustaAmount - " + megustaAmount);
				int trollAmount = Integer.parseInt(request.getParameter("trollAmount"));
				log.debug("trollAmount - " + trollAmount);
				int rageAmount = Integer.parseInt(request.getParameter("rageAmount"));
				log.debug("rageAmount - " + rageAmount);
				int notBadAmount = Integer.parseInt(request.getParameter("notBadAmount"));
				log.debug("notBadAmount - " + notBadAmount);
				
				//Working out costs
				int megustaCost = megustaAmount * 30;
				int trollCost = trollAmount * 3000;
				int rageCost = rageAmount * 45;
				int notBadCost = notBadAmount * 15;
				
				htmlOutput = new String();
				
				//Work Out Final Cost
				int finalCost = megustaCost + rageCost + notBadCost + trollCost;
				
				//Output Order
				htmlOutput = "<h3 class='title'>" + bundle.getString("poorValidation.orderComplete")+ "</h3>"
						+ "<p>" + bundle.getString("poorValidation.orderComplete.message")+ "<br></p>"
						+ "<p>" + bundle.getString("poorValidation.orderTotal")+ " <a><strong>$" + finalCost + "</strong></a></p>";
				if (finalCost <= 0 && trollAmount > 0)
				{
					htmlOutput += "<br><p>" + bundle.getString("poorValidation.freeTrolls")+ " - " + Hash.generateUserSolution(levelSolution, currentUser) + "</p>";
				}
			}
			catch(Exception e)
			{
				log.debug("Didn't complete order: " + e.toString());
				htmlOutput += "<p>" + bundle.getString("poorValidation.badOrder")+ "</p>";
			}
			try
			{
				Thread.sleep(1000);
			}
			catch(Exception e)
			{
				log.error("Failed to Pause: " + e.toString());
			}
			out.write(htmlOutput);
		}
		else
		{
			log.error(levelName + " servlet accessed with no session");
		}
	}
}