Open_Ultra_SAST/benchmarks/pairs/sast/owasp-java/BenchmarkTest00009.java

/**
 * OWASP Benchmark 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 Dave Wichers
 * @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 = "/hash-00/BenchmarkTest00009")
public class BenchmarkTest00009 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 {
        // some code
        response.setContentType("text/html;charset=UTF-8");

        String param = "";
        java.util.Enumeration<String> names = request.getHeaderNames();
        while (names.hasMoreElements()) {
            String name = (String) names.nextElement();

            if (org.owasp.benchmark.helpers.Utils.commonHeaders.contains(name)) {
                continue; // If standard header, move on to next one
            }

            java.util.Enumeration<String> values = request.getHeaders(name);
            if (values != null && values.hasMoreElements()) {
                param = name; // Grabs the name of the first non-standard header as the parameter
                // value
                break;
            }
        }
        // Note: We don't URL decode header names because people don't normally do that

        java.security.Provider[] provider = java.security.Security.getProviders();
        java.security.MessageDigest md;

        try {
            if (provider.length > 1) {

                md = java.security.MessageDigest.getInstance("sha-384", provider[0]);
            } else {
                md = java.security.MessageDigest.getInstance("sha-384", "SUN");
            }
            byte[] input = {(byte) '?'};
            Object inputParam = param;
            if (inputParam instanceof String) input = ((String) inputParam).getBytes();
            if (inputParam instanceof java.io.InputStream) {
                byte[] strInput = new byte[1000];
                int i = ((java.io.InputStream) inputParam).read(strInput);
                if (i == -1) {
                    response.getWriter()
                            .println(
                                    "This input source requires a POST, not a GET. Incompatible UI for the InputStream source.");
                    return;
                }
                input = java.util.Arrays.copyOf(strInput, i);
            }
            md.update(input);

            byte[] result = md.digest();
            java.io.File fileTarget =
                    new java.io.File(
                            new java.io.File(org.owasp.benchmark.helpers.Utils.TESTFILES_DIR),
                            "passwordFile.txt");
            java.io.FileWriter fw =
                    new java.io.FileWriter(fileTarget, true); // the true will append the new data
            fw.write(
                    "hash_value="
                            + org.owasp.esapi.ESAPI.encoder().encodeForBase64(result, true)
                            + "\n");
            fw.close();
            response.getWriter()
                    .println(
                            "Sensitive value '"
                                    + org.owasp
                                            .esapi
                                            .ESAPI
                                            .encoder()
                                            .encodeForHTML(new String(input))
                                    + "' hashed and stored<br/>");

        } catch (java.security.NoSuchAlgorithmException e) {
            System.out.println(
                    "Problem executing hash - TestCase java.security.MessageDigest.getInstance(java.lang.String,java.security.Provider)");
            throw new ServletException(e);
        } catch (java.security.NoSuchProviderException e) {
            System.out.println(
                    "Problem executing hash - TestCase java.security.MessageDigest.getInstance(java.lang.String,java.security.Provider)");
            throw new ServletException(e);
        }

        response.getWriter()
                .println(
                        "Hash Test java.security.MessageDigest.getInstance(java.lang.String,java.security.Provider) executed");
    }
}