/**
* 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 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("/BenchmarkTest01184")
public class BenchmarkTest01184 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 = "";
		java.util.Enumeration<String> headers = request.getHeaders("vector");
		if (headers.hasMoreElements()) {
			param = headers.nextElement(); // just grab first element
		}

		String bar = new Test().doSomething(param);
		
		String fileName = null;
        java.io.FileInputStream fis = null;

        try {
			fileName = org.owasp.benchmark.helpers.Utils.testfileDir + bar;
			fis = new java.io.FileInputStream(new java.io.File(fileName));
			byte[] b = new byte[1000];
			int size = fis.read(b);
			response.getWriter().write("The beginning of file: '" + org.owasp.esapi.ESAPI.encoder().encodeForHTML(fileName) + "' is:\n\n");
			response.getWriter().write(org.owasp.esapi.ESAPI.encoder().encodeForHTML(new String(b,0,size)));
		} catch (Exception e) {
            System.out.println("Couldn't open FileInputStream on file: '" + fileName + "'");
			response.getWriter().write("Problem getting FileInputStream: " + e.getMessage());
        } finally {
			if (fis != null) {
                try {
                    fis.close();
                    fis = null;
                } catch (Exception e) {
                    // we tried...
                }
            }
        }
	}  // end doPost

    private class Test {

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

		String bar;
		
		// Simple if statement that assigns constant to bar on true condition
		int num = 86;
		if ( (7*42) - num > 200 )
		   bar = "This_should_always_happen"; 
		else bar = param;

            return bar;
        }
    } // end innerclass Test

} // end DataflowThruInnerClass
