/* TEMPLATE GENERATED TESTCASE FILE
Filename: CWE470_Unsafe_Reflection__getCookies_Servlet_74b.java
Label Definition File: CWE470_Unsafe_Reflection.label.xml
Template File: sources-sink-74b.tmpl.java
*/
/*
 * @description
 * CWE: 470 Use of Externally-Controlled Input to Select Classes or Code ('Unsafe Reflection')
 * BadSource: getCookies_Servlet Read data from the first cookie using getCookies()
 * GoodSource: Set data to a hardcoded class name
 * Sinks:
 *    BadSink : Instantiate class named in data
 * Flow Variant: 74 Data flow: data passed in a HashMap from one method to another in different source files in the same package
 *
 * */




import java.util.HashMap;

import javax.servlet.http.*;

public class CWE470_Unsafe_Reflection__getCookies_Servlet_74b
{
    public void badSink(HashMap<Integer,String> dataHashMap , HttpServletRequest request, HttpServletResponse response) throws Throwable
    {
        String data = dataHashMap.get(2);

        /* POTENTIAL FLAW: Instantiate object of class named in data (which may be from external input) */
        Class<?> tempClass = Class.forName(data);
        Object tempClassObject = tempClass.newInstance();

        IO.writeLine(tempClassObject.toString()); /* Use tempClassObject in some way */

    }

    /* goodG2B() - use goodsource and badsink */
    public void goodG2BSink(HashMap<Integer,String> dataHashMap , HttpServletRequest request, HttpServletResponse response) throws Throwable
    {
        String data = dataHashMap.get(2);

        /* POTENTIAL FLAW: Instantiate object of class named in data (which may be from external input) */
        Class<?> tempClass = Class.forName(data);
        Object tempClassObject = tempClass.newInstance();

        IO.writeLine(tempClassObject.toString()); /* Use tempClassObject in some way */

    }
}
