Benchmark00899.java

/**
 * OWASP Benchmark Project v1.2
 *
 * <p>This file is part of the Open Web Application Security Project (OWASP) Benchmark Project. For
 * details, please see <a
 * href="https://owasp.org/www-project-benchmark/">https://owasp.org/www-project-benchmark/</a>.
 *
 * <p>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.
 *
 * <p>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
 * @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-01/Benchmark00899")
public class Benchmark00899 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");

        org.owasp.benchmark.helpers.SeparateClassRequest scr =
                new org.owasp.benchmark.helpers.SeparateClassRequest(request);
        String param = scr.getTheValue("Benchmark00899");

        String bar;
        String guess = "ABC";
        char switchTarget = guess.charAt(1); // condition 'B', which is safe

        // Simple case statement that assigns param to bar on conditions 'A', 'C', or 'D'
        switch (switchTarget) {
            case 'A':
                bar = param;
                break;
            case 'B':
                bar = "bob";
                break;
            case 'C':
            case 'D':
                bar = param;
                break;
            default:
                bar = "bob's your uncle";
                break;
        }

        double value = new java.util.Random().nextDouble();
        String rememberMeKey = Double.toString(value).substring(2); // Trim off the 0. at the front.

        String user = "Donna";
        String fullClassName = this.getClass().getName();
        String testCaseNumber =
                fullClassName.substring(fullClassName.lastIndexOf('.') + 1 + "Benchmark".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.setHttpOnly(true);
            rememberMe.setDomain(new java.net.URL(request.getRequestURL().toString()).getHost());
            rememberMe.setPath(request.getRequestURI()); // i.e., set path to JUST this servlet
            // e.g., /benchmark/sql-01/Benchmark01001
            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("Randomness java.util.Random.nextDouble() executed");
    }
}