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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) 2005-2015 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
*/
/**
* Validator for the mime type of a file
*
* @category Zend
* @package Zend_Validate
* @copyright Copyright (c) 2005-2015 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';
/**
* @var array Error message templates
*/
protected $_messageTemplates = array(
self::FALSE_TYPE => "File '%value%' has a false mimetype of '%type%'",
self::NOT_DETECTED => "The mimetype of file '%value%' could not be detected",
self::NOT_READABLE => "File '%value%' is not readable or does not exist",
);
/**
* 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, $file = null)
{
if ($file === null) {
$file = array(
'type' => null,
'name' => $value
);
}
// Is file readable ?
if (!Zend_Loader::isReadable($value)) {
return $this->_throw($file, self::NOT_READABLE);
}
$this->_type = $this->_detectMimeType($value);
if (empty($this->_type) && $this->_headerCheck) {
$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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