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   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 [email protected] 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  }