109 Zeilen
3,4 KiB
PHP
109 Zeilen
3,4 KiB
PHP
<?php
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/**
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* Zend Framework
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*
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* LICENSE
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*
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* This source file is subject to the new BSD license that is bundled
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* with this package in the file LICENSE.txt.
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* It is also available through the world-wide-web at this URL:
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* http://framework.zend.com/license/new-bsd
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* If you did not receive a copy of the license and are unable to
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* obtain it through the world-wide-web, please send an email
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* to license@zend.com so we can send you a copy immediately.
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*
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* @category Zend
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* @package Zend_Validate
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* @copyright Copyright (c) 2005-2011 Zend Technologies USA Inc. (http://www.zend.com)
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* @license http://framework.zend.com/license/new-bsd New BSD License
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* @version $Id$
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*/
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/**
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* @see Zend_Validate_File_MimeType
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*/
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require_once 'Zend/Validate/File/MimeType.php';
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/**
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* Validator for the mime type of a file
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*
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* @category Zend
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* @package Zend_Validate
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* @copyright Copyright (c) 2005-2011 Zend Technologies USA Inc. (http://www.zend.com)
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* @license http://framework.zend.com/license/new-bsd New BSD License
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*/
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class Zend_Validate_File_ExcludeMimeType extends Zend_Validate_File_MimeType
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{
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const FALSE_TYPE = 'fileExcludeMimeTypeFalse';
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const NOT_DETECTED = 'fileExcludeMimeTypeNotDetected';
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const NOT_READABLE = 'fileExcludeMimeTypeNotReadable';
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/**
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* Defined by Zend_Validate_Interface
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*
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* Returns true if the mimetype of the file does not matche the given ones. Also parts
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* of mimetypes can be checked. If you give for example "image" all image
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* mime types will not be accepted like "image/gif", "image/jpeg" and so on.
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*
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* @param string $value Real file to check for mimetype
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* @param array $file File data from Zend_File_Transfer
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* @return boolean
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*/
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public function isValid($value, $file = null)
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{
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if ($file === null) {
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$file = array(
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'type' => null,
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'name' => $value
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);
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}
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// Is file readable ?
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require_once 'Zend/Loader.php';
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if (!Zend_Loader::isReadable($value)) {
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return $this->_throw($file, self::NOT_READABLE);
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}
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$mimefile = $this->getMagicFile();
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if (class_exists('finfo', false)) {
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$const = defined('FILEINFO_MIME_TYPE') ? FILEINFO_MIME_TYPE : FILEINFO_MIME;
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if (!empty($mimefile)) {
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$mime = new finfo($const, $mimefile);
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} else {
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$mime = new finfo($const);
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}
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if (!empty($mime)) {
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$this->_type = $mime->file($value);
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}
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unset($mime);
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}
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if (empty($this->_type)) {
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if (function_exists('mime_content_type') && ini_get('mime_magic.magicfile')) {
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$this->_type = mime_content_type($value);
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} elseif ($this->_headerCheck) {
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$this->_type = $file['type'];
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}
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}
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if (empty($this->_type)) {
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return $this->_throw($file, self::NOT_DETECTED);
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}
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$mimetype = $this->getMimeType(true);
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if (in_array($this->_type, $mimetype)) {
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return $this->_throw($file, self::FALSE_TYPE);
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}
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$types = explode('/', $this->_type);
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$types = array_merge($types, explode('-', $this->_type));
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foreach($mimetype as $mime) {
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if (in_array($mime, $types)) {
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return $this->_throw($file, self::FALSE_TYPE);
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}
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}
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return true;
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}
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}
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