<?php
/**
 * C.F.Nie <nie@ndp.cn>
 * created: 2006-05-24 09:36:56
 * last modify: (GTM+8)2006-05-25 10:59:04
 */
if (!defined('NIE')) define ('NIE', true);

require_once('inc.config.php');
require_once('inc.function.php');

define ('ERR_FILE_NOT_SPECIFY',	1);
define ('ERR_FILE_NOT_FOUND',	2);

$_GET = httpvar_process('G');

$action		= (!empty($_GET['a'])) ? trim($_GET['a']) : '' ;
$filename	= (!empty($_GET['f'])) ? trim($_GET['f']) : null ;

if (empty($filename)) abort(ERR_FILE_NOT_SPECIFY);
$key = filename_to_key($filename);
$counter = array();

if (file_exists(DB_FILE) && is_readable(DB_FILE))
{
	$counter = counter_fetch(DB_FILE);
	if (!is_array($counter)) $counter = array();
}

if ($action == 'show')
{
	$number = isset($counter[$key]) ? $counter[$key] : 0 ;
	echo "document.write('{$number}');";
}
else {
	$fullname = ABSPATH . $filename;
	if (CHECK_FILE_EXISTS && file_exists($fullname)) abort(ERR_FILE_NOT_FOUND);

	$counter = counter_increase($key, $counter);
	
	if (!counter_store($counter)) abort(0);
	
	goto(BASEURL . $filename);
}
?>