<?php
error_reporting  (E_ERROR | E_WARNING | E_PARSE);
@set_time_limit(60);
require './functions.php';
class debug
{
  var $start_time;
	function debug()
	{ 
      $mtime = microtime ();
      $mtime = explode (' ', $mtime);
      $mtime = $mtime[1] + $mtime[0];
      $this->start_time = $mtime;
	} 
	function end_timer()
	{
      $mtime = microtime ();
      $mtime = explode (' ', $mtime);
      $mtime = $mtime[1] + $mtime[0];
      $end_time = $mtime;
      $total_time = round (($end_time - $this->start_time), 5);
			return $total_time;
	}
}
class info
{
 var $input=array();
 function info()
 { 		
 }
 function validate_input()
 {
 		//global $input;
		//0  -  browse a folder
		//1  -  show a file
		//2  -  download files
		//3  -  remove files
		//4  -  chmod files or folders
		//5  -  upload files into this folder
		//6  -  show file owner, group
		//7  -  edit a file 
		//8  -  rename a file or folder
		$NA=8;
		if($this->is_set('cmd'))
			$this->input['action']=intval($this->get_var('cmd_action',0));				
		$this->input['action']=$this->number('action',0,$NA,0);			 			 		 			 						 		
		$tmp=$this->get_var('entry',getcwd());
		
		//the entry
		$tmp=str_replace('\\','/',$tmp);
		$tmp=str_replace('//','/',$tmp);
		$tmp=rtrim($tmp,'/');
		$tmp=rtrim($tmp);
		$this->input['entry']=$tmp;
 }
 function number($name,$min,$max,$def=0)
 {
    $var=0;
		if(isset($this->input[$name]))
				$ret=$this->input[$name];
		else
		   $ret=$def;
		if($ret>$max) $ret=$max;			 
		if($ret<$min)	$ret=$min;
		return $ret;
 } 
 function get_var($var_name,$def_var)
 {
		if(isset($this->input[$var_name]))
		  $ret=$this->input[$var_name];
		else
		  $ret=$def_var;
		return $ret;
 }
 function is_set($var_name)
 {
  	return isset($this->input[$var_name]);
 }
 function load_module()
 {
    //global $this->input;
		$modules=array(
		    0=>'browse',
				1=>'show',
				2=>'download',
				3=>'remove',
				4=>'chmod',
				5=>'upload',
				6=>'showstat',
				7=>'edit',
				8=>'rename',
		);		
		$module='./'.$modules[$this->input['action']].'.php';
		if(file_exists($module))
				require $module;
		else
		    die('Not yet support');
 }
}//of class
$dbg=new debug();
$std=new FUNC();
$idx=new info();
$idx->input=$std->parse_incoming();
$idx->validate_input();
$idx->load_module();
?>