/**
* OWASP Benchmark Project v1.2beta
*
* 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("/BenchmarkTest00374")
public class BenchmarkTest00374 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");
	
		String param = request.getParameter("vector");
		if (param == null) param = "";
		
		
		String bar;
		
		// Simple if statement that assigns param to bar on true condition
		int num = 196;
		if ( (500/42) + num > 200 )
		   bar = param;
		else bar = "This should never happen"; 
		
		
		try {
		    java.util.Properties benchmarkprops = new java.util.Properties();
		    benchmarkprops.load(this.getClass().getClassLoader().getResourceAsStream("benchmark.properties"));
			String algorithm = benchmarkprops.getProperty("cryptoAlg1", "DESede/ECB/PKCS5Padding");
			javax.crypto.Cipher c = javax.crypto.Cipher.getInstance(algorithm);

            // Prepare the cipher to encrypt
            javax.crypto.SecretKey key = javax.crypto.KeyGenerator.getInstance("DES").generateKey();
            c.init(javax.crypto.Cipher.ENCRYPT_MODE, key);
			
			// 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 (java.security.NoSuchAlgorithmException 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.NoSuchPaddingException 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.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);
		} catch (java.security.InvalidKeyException 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) executed");
	}
}
