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<?php
/**
* Zend Framework
*
* LICENSE
*
* This source file is subject to the new BSD license that is bundled
* with this package in the file LICENSE.txt.
* It is also available through the world-wide-web at this URL:
* http://framework.zend.com/license/new-bsd
* If you did not receive a copy of the license and are unable to
* obtain it through the world-wide-web, please send an email
* to license@zend.com so we can send you a copy immediately.
*
* @category Zend
* @package Zend_Validate
* @copyright Copyright (c) 2005-2010 Zend Technologies USA Inc. (http://www.zend.com)
* @license http://framework.zend.com/license/new-bsd New BSD License
* @version $Id: ExcludeExtension.php 20358 2010-01-17 19:03:49Z thomas $
*/
/**
* @see Zend_Validate_Abstract
*/
require_once 'Zend/Validate/File/Extension.php';
/**
* Validator for the excluding file extensions
*
* @category Zend
* @package Zend_Validate
* @copyright Copyright (c) 2005-2010 Zend Technologies USA Inc. (http://www.zend.com)
* @license http://framework.zend.com/license/new-bsd New BSD License
*/
class Zend_Validate_File_ExcludeExtension extends Zend_Validate_File_Extension
{
/**
* @const string Error constants
*/
const FALSE_EXTENSION = 'fileExcludeExtensionFalse';
const NOT_FOUND = 'fileExcludeExtensionNotFound';
/**
* @var array Error message templates
*/
protected $_messageTemplates = array(
self::FALSE_EXTENSION => "File '%value%' has a false extension",
self::NOT_FOUND => "File '%value%' could not be found",
);
/**
* Defined by Zend_Validate_Interface
*
* Returns true if and only if the fileextension of $value is not included in the
* set extension list
*
* @param string $value Real file to check for extension
* @param array $file File data from Zend_File_Transfer
* @return boolean
*/
public function isValid($value, $file = null)
{
// Is file readable ?
require_once 'Zend/Loader.php';
if (!Zend_Loader::isReadable($value)) {
return $this->_throw($file, self::NOT_FOUND);
}
if ($file !== null) {
$info['extension'] = substr($file['name'], strrpos($file['name'], '.') + 1);
} else {
$info = pathinfo($value);
}
$extensions = $this->getExtension();
if ($this->_case and (!in_array($info['extension'], $extensions))) {
return true;
} else if (!$this->_case) {
$found = false;
foreach ($extensions as $extension) {
if (strtolower($extension) == strtolower($info['extension'])) {
$found = true;
}
}
if (!$found) {
return true;
}
}
return $this->_throw($file, self::FALSE_EXTENSION);
}
}
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