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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) 2005-2008 Zend Technologies USA Inc. (http://www.zend.com)
* @license http://framework.zend.com/license/new-bsd New BSD License
* @version $Id: $
*/
/**
* @see Zend_Validate_File_MimeType
*/
require_once 'Zend/Validate/File/MimeType.php';
/**
* Validator for the mime type of a file
*
* @category Zend
* @package Zend_Validate
* @copyright Copyright (c) 2005-2008 Zend Technologies USA Inc. (http://www.zend.com)
* @license http://framework.zend.com/license/new-bsd New BSD License
*/
class Zend_Validate_File_ExcludeMimeType extends Zend_Validate_File_MimeType
{
const FALSE_TYPE = 'fileExcludeMimeTypeFalse';
const NOT_DETECTED = 'fileExcludeMimeTypeNotDetected';
const NOT_READABLE = 'fileExcludeMimeTypeNotReadable';
/**
* Defined by Zend_Validate_Interface
*
* Returns true if the mimetype of the file does not matche the given ones. Also parts
* of mimetypes can be checked. If you give for example "image" all image
* mime types will not be accepted like "image/gif", "image/jpeg" and so on.
*
* @param string $value Real file to check for mimetype
* @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_READABLE);
}
if ($file !== null) {
if (class_exists('finfo', false) && defined('MAGIC')) {
$mime = new finfo(FILEINFO_MIME);
$this->_type = $mime->file($value);
unset($mime);
} elseif (function_exists('mime_content_type') && ini_get('mime_magic.magicfile')) {
$this->_type = mime_content_type($value);
} else {
$this->_type = $file['type'];
}
}
if (empty($this->_type)) {
return $this->_throw($file, self::NOT_DETECTED);
}
$mimetype = $this->getMimeType(true);
if (in_array($this->_type, $mimetype)) {
return $this->_throw($file, self::FALSE_TYPE);
}
$types = explode('/', $this->_type);
$types = array_merge($types, explode('-', $this->_type));
foreach($mimetype as $mime) {
if (in_array($mime, $types)) {
return $this->_throw($file, self::FALSE_TYPE);
}
}
return true;
}
}
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