[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: Exists.php 20352 2010-01-17 17:55:38Z thomas $ |
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| 20 | */ |
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| 21 | |
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| 22 | /** |
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| 23 | * @see Zend_Validate_Abstract |
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| 24 | */ |
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| 25 | require_once 'Zend/Validate/Abstract.php'; |
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| 26 | |
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| 27 | /** |
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| 28 | * Validator which checks if the file already exists in the directory |
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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_Exists extends Zend_Validate_Abstract |
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| 36 | { |
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| 37 | /** |
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| 38 | * @const string Error constants |
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| 39 | */ |
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| 40 | const DOES_NOT_EXIST = 'fileExistsDoesNotExist'; |
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| 41 | |
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| 42 | /** |
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| 43 | * @var array Error message templates |
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| 44 | */ |
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| 45 | protected $_messageTemplates = array( |
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| 46 | self::DOES_NOT_EXIST => "File '%value%' does not exist", |
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| 47 | ); |
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| 48 | |
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| 49 | /** |
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| 50 | * Internal list of directories |
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| 51 | * @var string |
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| 52 | */ |
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| 53 | protected $_directory = ''; |
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| 54 | |
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| 55 | /** |
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| 56 | * @var array Error message template variables |
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| 57 | */ |
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| 58 | protected $_messageVariables = array( |
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| 59 | 'directory' => '_directory' |
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| 60 | ); |
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| 61 | |
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| 62 | /** |
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| 63 | * Sets validator options |
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| 64 | * |
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| 65 | * @param string|array|Zend_Config $directory |
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| 66 | * @return void |
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| 67 | */ |
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| 68 | public function __construct($directory = array()) |
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| 69 | { |
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| 70 | if ($directory instanceof Zend_Config) { |
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| 71 | $directory = $directory->toArray(); |
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| 72 | } else if (is_string($directory)) { |
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| 73 | $directory = explode(',', $directory); |
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| 74 | } else if (!is_array($directory)) { |
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| 75 | require_once 'Zend/Validate/Exception.php'; |
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| 76 | throw new Zend_Validate_Exception ('Invalid options to validator provided'); |
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| 77 | } |
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| 78 | |
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| 79 | $this->setDirectory($directory); |
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| 80 | } |
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| 81 | |
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| 82 | /** |
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| 83 | * Returns the set file directories which are checked |
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| 84 | * |
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| 85 | * @param boolean $asArray Returns the values as array, when false an concated string is returned |
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| 86 | * @return string |
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| 87 | */ |
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| 88 | public function getDirectory($asArray = false) |
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| 89 | { |
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| 90 | $asArray = (bool) $asArray; |
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| 91 | $directory = (string) $this->_directory; |
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| 92 | if ($asArray) { |
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| 93 | $directory = explode(',', $directory); |
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| 94 | } |
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| 95 | |
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| 96 | return $directory; |
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| 97 | } |
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| 98 | |
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| 99 | /** |
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| 100 | * Sets the file directory which will be checked |
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| 101 | * |
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| 102 | * @param string|array $directory The directories to validate |
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| 103 | * @return Zend_Validate_File_Extension Provides a fluent interface |
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| 104 | */ |
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| 105 | public function setDirectory($directory) |
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| 106 | { |
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| 107 | $this->_directory = null; |
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| 108 | $this->addDirectory($directory); |
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| 109 | return $this; |
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| 110 | } |
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| 111 | |
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| 112 | /** |
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| 113 | * Adds the file directory which will be checked |
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| 114 | * |
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| 115 | * @param string|array $directory The directory to add for validation |
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| 116 | * @return Zend_Validate_File_Extension Provides a fluent interface |
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| 117 | */ |
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| 118 | public function addDirectory($directory) |
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| 119 | { |
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| 120 | $directories = $this->getDirectory(true); |
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| 121 | |
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| 122 | if (is_string($directory)) { |
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| 123 | $directory = explode(',', $directory); |
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| 124 | } else if (!is_array($directory)) { |
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| 125 | require_once 'Zend/Validate/Exception.php'; |
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| 126 | throw new Zend_Validate_Exception ('Invalid options to validator provided'); |
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| 127 | } |
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| 128 | |
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| 129 | foreach ($directory as $content) { |
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| 130 | if (empty($content) || !is_string($content)) { |
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| 131 | continue; |
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| 132 | } |
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| 133 | |
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| 134 | $directories[] = trim($content); |
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| 135 | } |
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| 136 | $directories = array_unique($directories); |
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| 137 | |
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| 138 | // Sanity check to ensure no empty values |
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| 139 | foreach ($directories as $key => $dir) { |
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| 140 | if (empty($dir)) { |
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| 141 | unset($directories[$key]); |
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| 142 | } |
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| 143 | } |
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| 144 | |
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| 145 | $this->_directory = implode(',', $directories); |
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| 146 | |
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| 147 | return $this; |
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| 148 | } |
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| 149 | |
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| 150 | /** |
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| 151 | * Defined by Zend_Validate_Interface |
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| 152 | * |
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| 153 | * Returns true if and only if the file already exists in the set directories |
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| 154 | * |
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| 155 | * @param string $value Real file to check for existance |
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| 156 | * @param array $file File data from Zend_File_Transfer |
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| 157 | * @return boolean |
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| 158 | */ |
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| 159 | public function isValid($value, $file = null) |
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| 160 | { |
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| 161 | $directories = $this->getDirectory(true); |
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| 162 | if (($file !== null) and (!empty($file['destination']))) { |
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| 163 | $directories[] = $file['destination']; |
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| 164 | } else if (!isset($file['name'])) { |
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| 165 | $file['name'] = $value; |
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| 166 | } |
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| 167 | |
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| 168 | $check = false; |
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| 169 | foreach ($directories as $directory) { |
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| 170 | if (empty($directory)) { |
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| 171 | continue; |
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| 172 | } |
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| 173 | |
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| 174 | $check = true; |
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| 175 | if (!file_exists($directory . DIRECTORY_SEPARATOR . $file['name'])) { |
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| 176 | return $this->_throw($file, self::DOES_NOT_EXIST); |
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| 177 | } |
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| 178 | } |
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| 179 | |
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| 180 | if (!$check) { |
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| 181 | return $this->_throw($file, self::DOES_NOT_EXIST); |
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| 182 | } |
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| 183 | |
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| 184 | return true; |
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| 185 | } |
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| 186 | |
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| 187 | /** |
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| 188 | * Throws an error of the given type |
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| 189 | * |
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| 190 | * @param string $file |
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| 191 | * @param string $errorType |
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| 192 | * @return false |
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| 193 | */ |
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| 194 | protected function _throw($file, $errorType) |
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| 195 | { |
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| 196 | if ($file !== null) { |
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| 197 | $this->_value = $file['name']; |
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| 198 | } |
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| 199 | |
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| 200 | $this->_error($errorType); |
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| 201 | return false; |
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| 202 | } |
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| 203 | } |
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