[5146] | 1 | <?php |
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| 2 | /** |
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| 3 | * Zend Framework |
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| 4 | * |
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| 5 | * LICENSE |
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| 6 | * |
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| 7 | * This source file is subject to the new BSD license that is bundled |
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| 8 | * with this package in the file LICENSE.txt. |
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| 9 | * It is also available through the world-wide-web at this URL: |
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| 10 | * http://framework.zend.com/license/new-bsd |
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| 11 | * If you did not receive a copy of the license and are unable to |
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| 12 | * obtain it through the world-wide-web, please send an email |
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| 13 | * to license@zend.com so we can send you a copy immediately. |
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| 14 | * |
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| 15 | * @category Zend |
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| 16 | * @package Zend_Validate |
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| 17 | * @copyright Copyright (c) 2005-2010 Zend Technologies USA Inc. (http://www.zend.com) |
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| 18 | * @license http://framework.zend.com/license/new-bsd New BSD License |
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| 19 | * @version $Id: ExcludeMimeType.php 21935 2010-04-18 16:21:35Z thomas $ |
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| 20 | */ |
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| 21 | |
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| 22 | /** |
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| 23 | * @see Zend_Validate_File_MimeType |
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| 24 | */ |
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| 25 | require_once 'Zend/Validate/File/MimeType.php'; |
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| 26 | |
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| 27 | /** |
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| 28 | * Validator for the mime type of a file |
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| 29 | * |
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| 30 | * @category Zend |
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| 31 | * @package Zend_Validate |
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| 32 | * @copyright Copyright (c) 2005-2010 Zend Technologies USA Inc. (http://www.zend.com) |
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| 33 | * @license http://framework.zend.com/license/new-bsd New BSD License |
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| 34 | */ |
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| 35 | class Zend_Validate_File_ExcludeMimeType extends Zend_Validate_File_MimeType |
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| 36 | { |
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| 37 | const FALSE_TYPE = 'fileExcludeMimeTypeFalse'; |
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| 38 | const NOT_DETECTED = 'fileExcludeMimeTypeNotDetected'; |
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| 39 | const NOT_READABLE = 'fileExcludeMimeTypeNotReadable'; |
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| 40 | |
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| 41 | /** |
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| 42 | * Defined by Zend_Validate_Interface |
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| 43 | * |
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| 44 | * Returns true if the mimetype of the file does not matche the given ones. Also parts |
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| 45 | * of mimetypes can be checked. If you give for example "image" all image |
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| 46 | * mime types will not be accepted like "image/gif", "image/jpeg" and so on. |
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| 47 | * |
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| 48 | * @param string $value Real file to check for mimetype |
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| 49 | * @param array $file File data from Zend_File_Transfer |
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| 50 | * @return boolean |
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| 51 | */ |
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| 52 | public function isValid($value, $file = null) |
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| 53 | { |
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| 54 | if ($file === null) { |
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| 55 | $file = array( |
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| 56 | 'type' => null, |
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| 57 | 'name' => $value |
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| 58 | ); |
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| 59 | } |
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| 60 | |
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| 61 | // Is file readable ? |
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| 62 | require_once 'Zend/Loader.php'; |
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| 63 | if (!Zend_Loader::isReadable($value)) { |
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| 64 | return $this->_throw($file, self::NOT_READABLE); |
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| 65 | } |
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| 66 | |
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| 67 | $mimefile = $this->getMagicFile(); |
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| 68 | if (class_exists('finfo', false)) { |
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| 69 | $const = defined('FILEINFO_MIME_TYPE') ? FILEINFO_MIME_TYPE : FILEINFO_MIME; |
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| 70 | if (!empty($mimefile)) { |
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| 71 | $mime = new finfo($const, $mimefile); |
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| 72 | } else { |
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| 73 | $mime = new finfo($const); |
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| 74 | } |
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| 75 | |
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| 76 | if (!empty($mime)) { |
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| 77 | $this->_type = $mime->file($value); |
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| 78 | } |
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| 79 | unset($mime); |
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| 80 | } |
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| 81 | |
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| 82 | if (empty($this->_type)) { |
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| 83 | if (function_exists('mime_content_type') && ini_get('mime_magic.magicfile')) { |
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| 84 | $this->_type = mime_content_type($value); |
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| 85 | } elseif ($this->_headerCheck) { |
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| 86 | $this->_type = $file['type']; |
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| 87 | } |
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| 88 | } |
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| 89 | |
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| 90 | if (empty($this->_type)) { |
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| 91 | return $this->_throw($file, self::NOT_DETECTED); |
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| 92 | } |
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| 93 | |
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| 94 | $mimetype = $this->getMimeType(true); |
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| 95 | if (in_array($this->_type, $mimetype)) { |
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| 96 | return $this->_throw($file, self::FALSE_TYPE); |
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| 97 | } |
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| 98 | |
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| 99 | $types = explode('/', $this->_type); |
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| 100 | $types = array_merge($types, explode('-', $this->_type)); |
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| 101 | foreach($mimetype as $mime) { |
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| 102 | if (in_array($mime, $types)) { |
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| 103 | return $this->_throw($file, self::FALSE_TYPE); |
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| 104 | } |
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| 105 | } |
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| 106 | |
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| 107 | return true; |
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| 108 | } |
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| 109 | } |
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