library/Zend/Validate/File/IsImage.php

   1 <?php
   2 /**
   3  * Zend Framework
   4  *
   5  * LICENSE
   6  *
   7  * This source file is subject to the new BSD license that is bundled
   8  * with this package in the file LICENSE.txt.
   9  * It is also available through the world-wide-web at this URL:
  10  * http://framework.zend.com/license/new-bsd
  11  * If you did not receive a copy of the license and are unable to
  12  * obtain it through the world-wide-web, please send an email
  13  * to license@zend.com so we can send you a copy immediately.
  14  *
  15  * @category  Zend
  16  * @package   Zend_Validate
  17  * @copyright  Copyright (c) 2005-2010 Zend Technologies USA Inc. (http://www.zend.com)
  18  * @license   http://framework.zend.com/license/new-bsd     New BSD License
  19  * @version   $Id$
  20  */
  21
  22 /**
  23  * @see Zend_Validate_File_MimeType
  24  */
  25 require_once 'Zend/Validate/File/MimeType.php';
  26
  27 /**
  28  * Validator which checks if the file already exists in the directory
  29  *
  30  * @category  Zend
  31  * @package   Zend_Validate
  32  * @copyright  Copyright (c) 2005-2010 Zend Technologies USA Inc. (http://www.zend.com)
  33  * @license   http://framework.zend.com/license/new-bsd     New BSD License
  34  */
  35 class Zend_Validate_File_IsImage extends Zend_Validate_File_MimeType
  36 {
  37     /**
  38      * @const string Error constants
  39      */
  40     const FALSE_TYPE   = 'fileIsImageFalseType';
  41     const NOT_DETECTED = 'fileIsImageNotDetected';
  42     const NOT_READABLE = 'fileIsImageNotReadable';
  43
  44     /**
  45      * @var array Error message templates
  46      */
  47     protected $_messageTemplates = array(
  48         self::FALSE_TYPE   => "File '%value%' is no image, '%type%' detected",
  49         self::NOT_DETECTED => "The mimetype of file '%value%' could not be detected",
  50         self::NOT_READABLE => "File '%value%' can not be read",
  51     );
  52
  53     /**
  54      * Sets validator options
  55      *
  56      * @param  string|array|Zend_Config $mimetype
  57      * @return void
  58      */
  59     public function __construct($mimetype = array())
  60     {
  61         if ($mimetype instanceof Zend_Config) {
  62             $mimetype = $mimetype->toArray();
  63         }
  64
  65         $temp    = array();
  66         // http://de.wikipedia.org/wiki/Liste_von_Dateiendungen
  67         // http://www.iana.org/assignments/media-types/image/
  68         $default = array(
  69             'application/cdf',
  70             'application/dicom',
  71             'application/fractals',
  72             'application/postscript',
  73             'application/vnd.hp-hpgl',
  74             'application/vnd.oasis.opendocument.graphics',
  75             'application/x-cdf',
  76             'application/x-cmu-raster',
  77             'application/x-ima',
  78             'application/x-inventor',
  79             'application/x-koan',
  80             'application/x-portable-anymap',
  81             'application/x-world-x-3dmf',
  82             'image/bmp',
  83             'image/c',
  84             'image/cgm',
  85             'image/fif',
  86             'image/gif',
  87             'image/jpeg',
  88             'image/jpm',
  89             'image/jpx',
  90             'image/jp2',
  91             'image/naplps',
  92             'image/pjpeg',
  93             'image/png',
  94             'image/svg',
  95             'image/svg+xml',
  96             'image/tiff',
  97             'image/vnd.adobe.photoshop',
  98             'image/vnd.djvu',
  99             'image/vnd.fpx',
 100             'image/vnd.net-fpx',
 101             'image/x-cmu-raster',
 102             'image/x-cmx',
 103             'image/x-coreldraw',
 104             'image/x-cpi',
 105             'image/x-emf',
 106             'image/x-ico',
 107             'image/x-icon',
 108             'image/x-jg',
 109             'image/x-ms-bmp',
 110             'image/x-niff',
 111             'image/x-pict',
 112             'image/x-pcx',
 113             'image/x-portable-anymap',
 114             'image/x-portable-bitmap',
 115             'image/x-portable-greymap',
 116             'image/x-portable-pixmap',
 117             'image/x-quicktime',
 118             'image/x-rgb',
 119             'image/x-tiff',
 120             'image/x-unknown',
 121             'image/x-windows-bmp',
 122             'image/x-xpmi',
 123         );
 124
 125         if (is_array($mimetype)) {
 126             $temp = $mimetype;
 127             if (array_key_exists('magicfile', $temp)) {
 128                 unset($temp['magicfile']);
 129             }
 130
 131             if (array_key_exists('headerCheck', $temp)) {
 132                 unset($temp['headerCheck']);
 133             }
 134
 135             if (empty($temp)) {
 136                 $mimetype += $default;
 137             }
 138         }
 139
 140         if (empty($mimetype)) {
 141             $mimetype = $default;
 142         }
 143
 144         parent::__construct($mimetype);
 145     }
 146
 147     /**
 148      * Throws an error of the given type
 149      * Duplicates parent method due to OOP Problem with late static binding in PHP 5.2
 150      *
 151      * @param  string $file
 152      * @param  string $errorType
 153      * @return false
 154      */
 155     protected function _throw($file, $errorType)
 156     {
 157         $this->_value = $file['name'];
 158         switch($errorType) {
 159             case Zend_Validate_File_MimeType::FALSE_TYPE :
 160                 $errorType = self::FALSE_TYPE;
 161                 break;
 162             case Zend_Validate_File_MimeType::NOT_DETECTED :
 163                 $errorType = self::NOT_DETECTED;
 164                 break;
 165             case Zend_Validate_File_MimeType::NOT_READABLE :
 166                 $errorType = self::NOT_READABLE;
 167                 break;
 168         }
 169
 170         $this->_error($errorType);
 171         return false;
 172     }
 173 }