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<?php
/**
* @version $Id: form.php 19014 2012-11-28 04:48:56Z thailv $
* @package JSNUniform
* @subpackage Helpers
* @author JoomlaShine Team <support@joomlashine.com>
* @copyright Copyright (C) 2016 JoomlaShine.com. All Rights Reserved.
* @license GNU/GPL v2 or later http://www.gnu.org/licenses/gpl-2.0.html
*
* Websites: http://www.joomlashine.com
* Technical Support: Feedback - http://www.joomlashine.com/contact-us/get-support.html
*/
defined('_JEXEC') or die('Restricted access');
/**
* JSNUniform form upload helper
*
* @package Joomla.Administrator
* @subpackage com_uniform
* @since 1.6
*/
class JSNUniformUpload
{
/**
* Upload Form
*
* @param string $file POST File
*
* @param string &$err Message Error
*
* @param string $settings $Setting
*
* @return boolean
*/
public static function canUpload($file, &$err, $settings)
{
if (empty($file['name']))
{
$err = JText::_('JSN_UNIFORM_ERROR_UPLOAD_INPUT');
return false;
}
$params = JComponentHelper::getParams('com_media');
if (empty($settings->options->limitFileExtensions) || $settings->options->limitFileExtensions != 1)
{
$settings->options->allowedExtensions = $params->get('upload_extensions');
}
if (empty($settings->options->limitFileSize) || $settings->options->limitFileSize != 1)
{
$settings->options->maxSize = $params->get('upload_maxsize');
$settings->options->maxSizeUnit = 'MB';
}
jimport('joomla.filesystem.file');
/*if ($file['name'] !== $file['name'])
{
$err = JText::_('JSN_UNIFORM_ERROR_WARNFILENAME');
return false;
}*/
$format = strtolower(JFile::getExt($file['name']));
$allowedExtensions = str_replace(" ", "", $settings->options->allowedExtensions);
$allowable = explode(',', $allowedExtensions);
switch ($settings->options->maxSizeUnit)
{
case 'KB':
$uploadMaxSize = $settings->options->maxSize * 1024;
break;
case 'MB':
$uploadMaxSize = $settings->options->maxSize * 1024 * 1024;
break;
case 'GB':
$uploadMaxSize = $settings->options->maxSize * 1024 * 1024 * 1024;
break;
}
if ($uploadMaxSize > (int) (ini_get('upload_max_filesize')) * 1024 * 1024)
{
if ((int) $file['size'] == 0 && (int) $file['error'] == 1 && empty($file['tmp_name']))
{
$err = JText::sprintf('JSN_UNIFORM_POST_UPLOAD_SIZE', (int) (ini_get('upload_max_filesize')) . " MB");
return false;
}
}
if (!in_array($format, $allowable) || in_array($format, array('php', 'phps', 'php3', 'php4', 'phtml', 'pl', 'py', 'jsp', 'asp', 'htm', 'shtml', 'sh', 'cgi', 'htaccess', 'exe', 'dll')))
{
$err = JText::sprintf('JSN_UNIFORM_ERROR_WARNFILETYPE', "." . $format);
return false;
}
if ((int) $file['size'] > $uploadMaxSize)
{
$err = JText::sprintf('JSN_UNIFORM_POST_UPLOAD_SIZE', $settings->options->maxSize . " " . $settings->options->maxSizeUnit);
return false;
}
else if ((int) $file['size'] == 0 && (int) $file['error'] == 1 && empty($file['tmp_name']))
{
$err = JText::sprintf('JSN_UNIFORM_POST_UPLOAD_SIZE', $settings->options->maxSize . " " . $settings->options->maxSizeUnit);
return false;
}
return true;
}
}