/**
* OWASP Benchmark Project v1.2
*
* This file is part of the Open Web Application Security Project (OWASP)
* Benchmark Project. For details, please see
* <a href="https://www.owasp.org/index.php/Benchmark">https://www.owasp.org/index.php/Benchmark</a>.
*
* The OWASP Benchmark 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, version 2.
*
* The OWASP Benchmark 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.
*
* @author Nick Sanidas <a href="https://www.aspectsecurity.com">Aspect Security</a>
* @created 2015
*/

package org.owasp.benchmark.testcode;

import java.io.IOException;

import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

@WebServlet(value="/weakrand-00/BenchmarkTest00165")
public class BenchmarkTest00165 extends HttpServlet {
	
	private static final long serialVersionUID = 1L;
	
	@Override
	public void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
		doPost(request, response);
	}

	@Override
	public void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
		response.setContentType("text/html;charset=UTF-8");
	
		String param = "";
		if (request.getHeader("BenchmarkTest00165") != null) {
			param = request.getHeader("BenchmarkTest00165");
		}
		
		// URL Decode the header value since req.getHeader() doesn't. Unlike req.getParameter().
		param = java.net.URLDecoder.decode(param, "UTF-8");
		
		
		String bar = param;
		if (param != null && param.length() > 1) {
		    bar = param.substring(0,param.length()-1);
		}
		
		
		int r = new java.util.Random().nextInt();
		String rememberMeKey = Integer.toString(r);
		
		String user = "Ingrid";
		String fullClassName = this.getClass().getName();
		String testCaseNumber = fullClassName.substring(fullClassName.lastIndexOf('.')+1+"BenchmarkTest".length());
		user+= testCaseNumber;
		
		String cookieName = "rememberMe" + testCaseNumber;
		
		boolean foundUser = false;
		javax.servlet.http.Cookie[] cookies = request.getCookies();
		if (cookies != null) {
			for (int i = 0; !foundUser && i < cookies.length; i++) {
				javax.servlet.http.Cookie cookie = cookies[i];
				if (cookieName.equals(cookie.getName())) {
					if (cookie.getValue().equals(request.getSession().getAttribute(cookieName))) {
						foundUser = true;
					}
				}
			}
		}
		
		if (foundUser) {
			response.getWriter().println(
"Welcome back: " + user + "<br/>"
);
		} else {			
			javax.servlet.http.Cookie rememberMe = new javax.servlet.http.Cookie(cookieName, rememberMeKey);
			rememberMe.setSecure(true);
//			rememberMe.setPath("/benchmark/" + this.getClass().getSimpleName());
			rememberMe.setPath(request.getRequestURI()); // i.e., set path to JUST this servlet 
														 // e.g., /benchmark/sql-01/BenchmarkTest01001
			request.getSession().setAttribute(cookieName, rememberMeKey);
			response.addCookie(rememberMe);
			response.getWriter().println(
				user + " has been remembered with cookie: " + rememberMe.getName() 
					+ " whose value is: " + rememberMe.getValue() + "<br/>"
			);
		}
				
		response.getWriter().println(
"Weak Randomness Test java.util.Random.nextInt() executed"
);

	}
	
}