import java.io.BufferedReader;
import java.io.InputStreamReader;
import java.io.IOException;
import java.util.Map;
import fi.iki.elonen.NanoHTTPD;
public class app extends NanoHTTPD{
public app() throws IOException{
super(8081);
start(NanoHTTPD.SOCKET_READ_TIMEOUT,false);
}
public static void main(String[] args){
try{
new app();}
catch(IOException i){
System.err.println("Couldn't start server:\n" + ioe);}}
@Override
public Response serve(IHTTPSession s){
String m="Hi
\n";
Map parms = session.getParms();
if (parms.get("u")==null) {
m+="\n";
}else{
String s=null;
try{
Runtime rt=Runtime.getRuntime();
Process proc=rt.exec("ls -l");
BufferedReader stdInput = new BufferedReader(new
InputStreamReader(proc.getInputStream()));
while((s=stdInput.readLine()) != null) {
System.out.println(s);m+=s;
}}catch(Exception e) {m+=e}}
return newFixedLengthResponse(m+"\n");}}