/* TEMPLATE GENERATED TESTCASE FILE
Filename: CWE15_External_Control_of_System_or_Configuration_Setting__URLConnection_75a.java
Label Definition File: CWE15_External_Control_of_System_or_Configuration_Setting.label.xml
Template File: sources-sink-75a.tmpl.java
*/
/*
 * @description
 * CWE: 15 External Control of System or Configuration Setting
 * BadSource: URLConnection Read data from a web server with URLConnection
 * GoodSource: A hardcoded string
 * Sinks:
 *    BadSink : Set the catalog name with the value of data
 * Flow Variant: 75 Data flow: data passed in a serialized object from one method to another in different source files in the same package
 *
 * */




import java.io.ByteArrayOutputStream;
import java.io.ObjectOutput;
import java.io.ObjectOutputStream;
import java.io.IOException;
import java.util.logging.Level;



import java.io.BufferedReader;
import java.io.InputStreamReader;
import java.net.URL;
import java.net.URLConnection;


public class CWE15_External_Control_of_System_or_Configuration_Setting__URLConnection_75a extends AbstractTestCase
{
    public void bad() throws Throwable
    {
        String data;

        data = ""; /* Initialize data */

        /* read input from URLConnection */
        {
            URLConnection urlConnection = (new URL("http://www.example.org/")).openConnection();
            BufferedReader readerBuffered = null;
            InputStreamReader readerInputStream = null;

            try
            {
                readerInputStream = new InputStreamReader(urlConnection.getInputStream(), "UTF-8");
                readerBuffered = new BufferedReader(readerInputStream);

                /* POTENTIAL FLAW: Read data from a web server with URLConnection */
                /* This will be reading the first "line" of the response body,
                 * which could be very long if there are no newlines in the HTML */
                data = readerBuffered.readLine();
            }
            catch (IOException exceptIO)
            {
                IO.logger.log(Level.WARNING, "Error with stream reading", exceptIO);
            }
            finally
            {
                /* clean up stream reading objects */
                try
                {
                    if (readerBuffered != null)
                    {
                        readerBuffered.close();
                    }
                }
                catch (IOException exceptIO)
                {
                    IO.logger.log(Level.WARNING, "Error closing BufferedReader", exceptIO);
                }

                try
                {
                    if (readerInputStream != null)
                    {
                        readerInputStream.close();
                    }
                }
                catch (IOException exceptIO)
                {
                    IO.logger.log(Level.WARNING, "Error closing InputStreamReader", exceptIO);
                }
            }
        }

        /* serialize data to a byte array */
        ByteArrayOutputStream streamByteArrayOutput = null;
        ObjectOutput outputObject = null;

        try
        {
            streamByteArrayOutput = new ByteArrayOutputStream() ;
            outputObject = new ObjectOutputStream(streamByteArrayOutput) ;
            outputObject.writeObject(data);
            byte[] dataSerialized = streamByteArrayOutput.toByteArray();
            (new CWE15_External_Control_of_System_or_Configuration_Setting__URLConnection_75b()).badSink(dataSerialized  );
        }
        catch (IOException exceptIO)
        {
            IO.logger.log(Level.WARNING, "IOException in serialization", exceptIO);
        }
        finally
        {
            /* clean up stream writing objects */
            try
            {
                if (outputObject != null)
                {
                    outputObject.close();
                }
            }
            catch (IOException exceptIO)
            {
                IO.logger.log(Level.WARNING, "Error closing ObjectOutputStream", exceptIO);
            }

            try
            {
                if (streamByteArrayOutput != null)
                {
                    streamByteArrayOutput.close();
                }
            }
            catch (IOException exceptIO)
            {
                IO.logger.log(Level.WARNING, "Error closing ByteArrayOutputStream", exceptIO);
            }
        }
    }

    public void good() throws Throwable
    {
        goodG2B();
    }

    /* goodG2B() - use goodsource and badsink */
    private void goodG2B() throws Throwable
    {
        String data;

        /* FIX: Use a hardcoded string */
        data = "foo";

        /* serialize data to a byte array */
        ByteArrayOutputStream streamByteArrayOutput = null;
        ObjectOutput outputObject = null;

        try
        {
            streamByteArrayOutput = new ByteArrayOutputStream() ;
            outputObject = new ObjectOutputStream(streamByteArrayOutput) ;
            outputObject.writeObject(data);
            byte[] dataSerialized = streamByteArrayOutput.toByteArray();
            (new CWE15_External_Control_of_System_or_Configuration_Setting__URLConnection_75b()).goodG2BSink(dataSerialized  );
        }
        catch (IOException exceptIO)
        {
            IO.logger.log(Level.WARNING, "IOException in serialization", exceptIO);
        }
        finally
        {
            /* clean up stream writing objects */
            try
            {
                if (outputObject != null)
                {
                    outputObject.close();
                }
            }
            catch (IOException exceptIO)
            {
                IO.logger.log(Level.WARNING, "Error closing ObjectOutputStream", exceptIO);
            }

            try
            {
                if (streamByteArrayOutput != null)
                {
                    streamByteArrayOutput.close();
                }
            }
            catch (IOException exceptIO)
            {
                IO.logger.log(Level.WARNING, "Error closing ByteArrayOutputStream", exceptIO);
            }
        }
    }

    /* Below is the main(). It is only used when building this testcase on
     * its own for testing or for building a binary to use in testing binary
     * analysis tools. It is not used when compiling all the testcases as one
     * application, which is how source code analysis tools are tested.
     */
    public static void main(String[] args) throws ClassNotFoundException,
           InstantiationException, IllegalAccessException
    {
        mainFromParent(args);
    }
}
