org.owasp.benchmark.testcode.BenchmarkTest01951.java Source code

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Here is the source code for org.owasp.benchmark.testcode.BenchmarkTest01951.java

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/**
* 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-04/BenchmarkTest01951")
public class BenchmarkTest01951 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("BenchmarkTest01951") != null) {
            param = request.getHeader("BenchmarkTest01951");
        }

        // URL Decode the header value since req.getHeader() doesn't. Unlike req.getParameter().
        param = java.net.URLDecoder.decode(param, "UTF-8");

        String bar = doSomething(request, param);

        try {
            float rand = java.security.SecureRandom.getInstance("SHA1PRNG").nextFloat();
            String rememberMeKey = Float.toString(rand).substring(2); // Trim off the 0. at the front.

            String user = "SafeFloyd";
            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/>");
            }
        } catch (java.security.NoSuchAlgorithmException e) {
            System.out.println("Problem executing SecureRandom.nextFloat() - TestCase");
            throw new ServletException(e);
        }
        response.getWriter().println("Weak Randomness Test java.security.SecureRandom.nextFloat() executed");
    } // end doPost

    private static String doSomething(HttpServletRequest request, String param)
            throws ServletException, IOException {

        String bar = org.apache.commons.lang.StringEscapeUtils.escapeHtml(param);

        return bar;
    }
}