File indexing completed on 2024-12-22 05:37:11

 <?php
 /**
  * Zend Framework
  *
  * LICENSE
  *
  * This source file is subject to the new BSD license that is bundled
  * with this package in the file LICENSE.txt.
  * It is also available through the world-wide-web at this URL:
  * http://framework.zend.com/license/new-bsd
  * If you did not receive a copy of the license and are unable to
  * obtain it through the world-wide-web, please send an email
  * to license@zend.com so we can send you a copy immediately.
  *
  * @category  Zend
  * @package   Zend_Validate
  * @copyright  Copyright (c) 2005-2015 Zend Technologies USA Inc. (http://www.zend.com)
  * @license   http://framework.zend.com/license/new-bsd     New BSD License
  * @version   $Id$
  */
 
 /**
  * @see Zend_Validate_Abstract
  */
 // require_once 'Zend/Validate/Abstract.php';
 
 /**
  * Validator which checks if the file already exists in the directory
  *
  * @category  Zend
  * @package   Zend_Validate
  * @copyright  Copyright (c) 2005-2015 Zend Technologies USA Inc. (http://www.zend.com)
  * @license   http://framework.zend.com/license/new-bsd     New BSD License
  */
 class Zend_Validate_File_Exists extends Zend_Validate_Abstract
 {
     /**
      * @const string Error constants
      */
     const DOES_NOT_EXIST = 'fileExistsDoesNotExist';
 
     /**
      * @var array Error message templates
      */
     protected $_messageTemplates = array(
         self::DOES_NOT_EXIST => "File '%value%' does not exist",
     );
 
     /**
      * Internal list of directories
      * @var string
      */
     protected $_directory = '';
 
     /**
      * @var array Error message template variables
      */
     protected $_messageVariables = array(
         'directory' => '_directory'
     );
 
     /**
      * Sets validator options
      *
      * @param  string|array|Zend_Config $directory
      * @throws Zend_Validate_Exception
      */
     public function __construct($directory = array())
     {
         if ($directory instanceof Zend_Config) {
             $directory = $directory->toArray();
         } else if (is_string($directory)) {
             $directory = explode(',', $directory);
         } else if (!is_array($directory)) {
             // require_once 'Zend/Validate/Exception.php';
             throw new Zend_Validate_Exception ('Invalid options to validator provided');
         }
 
         $this->setDirectory($directory);
     }
 
     /**
      * Returns the set file directories which are checked
      *
      * @param  boolean $asArray Returns the values as array, when false an concated string is returned
      * @return string
      */
     public function getDirectory($asArray = false)
     {
         $asArray   = (bool) $asArray;
         $directory = (string) $this->_directory;
         if ($asArray) {
             $directory = explode(',', $directory);
         }
 
         return $directory;
     }
 
     /**
      * Sets the file directory which will be checked
      *
      * @param  string|array $directory The directories to validate
      * @return Zend_Validate_File_Extension Provides a fluent interface
      */
     public function setDirectory($directory)
     {
         $this->_directory = null;
         $this->addDirectory($directory);
         return $this;
     }
 
     /**
      * Adds the file directory which will be checked
      *
      * @param  string|array $directory The directory to add for validation
      * @throws Zend_Validate_Exception
      * @return Zend_Validate_File_Extension Provides a fluent interface
      */
     public function addDirectory($directory)
     {
         $directories = $this->getDirectory(true);
 
         if (is_string($directory)) {
             $directory = explode(',', $directory);
         } else if (!is_array($directory)) {
             // require_once 'Zend/Validate/Exception.php';
             throw new Zend_Validate_Exception ('Invalid options to validator provided');
         }
 
         foreach ($directory as $content) {
             if (empty($content) || !is_string($content)) {
                 continue;
             }
 
             $directories[] = trim($content);
         }
         $directories = array_unique($directories);
 
         // Sanity check to ensure no empty values
         foreach ($directories as $key => $dir) {
             if (empty($dir)) {
                 unset($directories[$key]);
             }
         }
 
         $this->_directory = implode(',', $directories);
 
         return $this;
     }
 
     /**
      * Defined by Zend_Validate_Interface
      *
      * Returns true if and only if the file already exists in the set directories
      *
      * @param  string  $value Real file to check for existance
      * @param  array   $file  File data from Zend_File_Transfer
      * @return boolean
      */
     public function isValid($value, $file = null)
     {
         $directories = $this->getDirectory(true);
         if (($file !== null) and (!empty($file['destination']))) {
             $directories[] = $file['destination'];
         } else if (!isset($file['name'])) {
             $file['name'] = $value;
         }
 
         $check = false;
         foreach ($directories as $directory) {
             if (empty($directory)) {
                 continue;
             }
 
             $check = true;
             if (!file_exists($directory . DIRECTORY_SEPARATOR . $file['name'])) {
                 return $this->_throw($file, self::DOES_NOT_EXIST);
             }
         }
 
         if (!$check) {
             return $this->_throw($file, self::DOES_NOT_EXIST);
         }
 
         return true;
     }
 
     /**
      * Throws an error of the given type
      *
      * @param  string $file
      * @param  string $errorType
      * @return false
      */
     protected function _throw($file, $errorType)
     {
         if ($file !== null) {
             $this->_value = $file['name'];
         }
 
         $this->_error($errorType);
         return false;
     }
 }