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: ExcludeExtension.php 22668 2010-07-25 14:50:46Z thomas $

    20  */

    21 

    22 /**

    23  * @see Zend_Validate_Abstract

    24  */

    25 require_once 'Zend/Validate/File/Extension.php';

    26 

    27 /**

    28  * Validator for the excluding file extensions

    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_ExcludeExtension extends Zend_Validate_File_Extension

    36 {

    37     /**

    38      * @const string Error constants

    39      */

    40     const FALSE_EXTENSION = 'fileExcludeExtensionFalse';

    41     const NOT_FOUND       = 'fileExcludeExtensionNotFound';

    42 

    43     /**

    44      * @var array Error message templates

    45      */

    46     protected $_messageTemplates = array(

    47         self::FALSE_EXTENSION => "File '%value%' has a false extension",

    48         self::NOT_FOUND       => "File '%value%' is not readable or does not exist",

    49     );

    50 

    51     /**

    52      * Defined by Zend_Validate_Interface

    53      *

    54      * Returns true if and only if the fileextension of $value is not included in the

    55      * set extension list

    56      *

    57      * @param  string  $value Real file to check for extension

    58      * @param  array   $file  File data from Zend_File_Transfer

    59      * @return boolean

    60      */

    61     public function isValid($value, $file = null)

    62     {

    63         // Is file readable ?

    64         require_once 'Zend/Loader.php';

    65         if (!Zend_Loader::isReadable($value)) {

    66             return $this->_throw($file, self::NOT_FOUND);

    67         }

    68 

    69         if ($file !== null) {

    70             $info['extension'] = substr($file['name'], strrpos($file['name'], '.') + 1);

    71         } else {

    72             $info = pathinfo($value);

    73         }

    74 

    75         $extensions = $this->getExtension();

    76 

    77         if ($this->_case and (!in_array($info['extension'], $extensions))) {

    78             return true;

    79         } else if (!$this->_case) {

    80             $found = false;

    81             foreach ($extensions as $extension) {

    82                 if (strtolower($extension) == strtolower($info['extension'])) {

    83                     $found = true;

    84                 }

    85             }

    86 

    87             if (!$found) {

    88                 return true;

    89             }

    90         }

    91 

    92         return $this->_throw($file, self::FALSE_EXTENSION);

    93     }

    94 }