org.owasp.benchmark.testcode.BenchmarkTest01101.java Source code

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Here is the source code for org.owasp.benchmark.testcode.BenchmarkTest01101.java

Source

/**
* 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 Dave Wichers <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 = "/crypto-01/BenchmarkTest01101")
public class BenchmarkTest01101 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 = "";
        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;
            }

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

        String bar = new Test().doSomething(request, param);

        // Code based on example from:
        // http://examples.javacodegeeks.com/core-java/crypto/encrypt-decrypt-file-stream-with-des/

        try {
            javax.crypto.Cipher c = org.owasp.benchmark.helpers.Utils.getCipher();
            // encrypt and store the results
            byte[] input = { (byte) '?' };
            Object inputParam = bar;
            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);
            }
            byte[] result = c.doFinal(input);

            java.io.File fileTarget = new java.io.File(
                    new java.io.File(org.owasp.benchmark.helpers.Utils.testfileDir), "passwordFile.txt");
            java.io.FileWriter fw = new java.io.FileWriter(fileTarget, true); //the true will append the new data
            fw.write("secret_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))
                            + "' encrypted and stored<br/>");

        } catch (javax.crypto.IllegalBlockSizeException e) {
            response.getWriter().println(
                    "Problem executing crypto - javax.crypto.Cipher.getInstance(java.lang.String,java.security.Provider) Test Case");
            e.printStackTrace(response.getWriter());
            throw new ServletException(e);
        } catch (javax.crypto.BadPaddingException e) {
            response.getWriter().println(
                    "Problem executing crypto - javax.crypto.Cipher.getInstance(java.lang.String,java.security.Provider) Test Case");
            e.printStackTrace(response.getWriter());
            throw new ServletException(e);
        }
        response.getWriter()
                .println("Crypto Test javax.crypto.Cipher.getInstance(java.lang.String,java.lang.String) executed");
    } // end doPost

    private class Test {

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

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

            return bar;
        }
    } // end innerclass Test

} // end DataflowThruInnerClass