[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: Md5.php 22668 2010-07-25 14:50:46Z thomas $ |
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| 20 | */ |
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| 21 | |
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| 22 | /** |
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| 23 | * @see Zend_Validate_File_Hash |
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| 24 | */ |
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| 25 | require_once 'Zend/Validate/File/Hash.php'; |
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| 26 | |
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| 27 | /** |
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| 28 | * Validator for the md5 hash of given files |
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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_Md5 extends Zend_Validate_File_Hash |
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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_MATCH = 'fileMd5DoesNotMatch'; |
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| 41 | const NOT_DETECTED = 'fileMd5NotDetected'; |
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| 42 | const NOT_FOUND = 'fileMd5NotFound'; |
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| 43 | |
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| 44 | /** |
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| 45 | * @var array Error message templates |
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| 46 | */ |
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| 47 | protected $_messageTemplates = array( |
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| 48 | self::DOES_NOT_MATCH => "File '%value%' does not match the given md5 hashes", |
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| 49 | self::NOT_DETECTED => "A md5 hash could not be evaluated for the given file", |
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| 50 | self::NOT_FOUND => "File '%value%' is not readable or does not exist", |
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| 51 | ); |
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| 52 | |
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| 53 | /** |
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| 54 | * Hash of the file |
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| 55 | * |
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| 56 | * @var string |
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| 57 | */ |
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| 58 | protected $_hash; |
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| 59 | |
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| 60 | /** |
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| 61 | * Sets validator options |
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| 62 | * |
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| 63 | * $hash is the hash we accept for the file $file |
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| 64 | * |
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| 65 | * @param string|array $options |
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| 66 | * @return void |
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| 67 | */ |
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| 68 | public function __construct($options) |
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| 69 | { |
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| 70 | if ($options instanceof Zend_Config) { |
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| 71 | $options = $options->toArray(); |
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| 72 | } elseif (is_scalar($options)) { |
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| 73 | $options = array('hash1' => $options); |
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| 74 | } elseif (!is_array($options)) { |
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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 | $this->setMd5($options); |
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| 80 | } |
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| 81 | |
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| 82 | /** |
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| 83 | * Returns all set md5 hashes |
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| 84 | * |
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| 85 | * @return array |
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| 86 | */ |
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| 87 | public function getMd5() |
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| 88 | { |
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| 89 | return $this->getHash(); |
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| 90 | } |
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| 91 | |
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| 92 | /** |
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| 93 | * Sets the md5 hash for one or multiple files |
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| 94 | * |
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| 95 | * @param string|array $options |
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| 96 | * @param string $algorithm (Deprecated) Algorithm to use, fixed to md5 |
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| 97 | * @return Zend_Validate_File_Hash Provides a fluent interface |
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| 98 | */ |
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| 99 | public function setHash($options) |
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| 100 | { |
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| 101 | if (!is_array($options)) { |
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| 102 | $options = (array) $options; |
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| 103 | } |
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| 104 | |
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| 105 | $options['algorithm'] = 'md5'; |
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| 106 | parent::setHash($options); |
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| 107 | return $this; |
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| 108 | } |
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| 109 | |
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| 110 | /** |
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| 111 | * Sets the md5 hash for one or multiple files |
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| 112 | * |
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| 113 | * @param string|array $options |
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| 114 | * @return Zend_Validate_File_Hash Provides a fluent interface |
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| 115 | */ |
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| 116 | public function setMd5($options) |
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| 117 | { |
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| 118 | $this->setHash($options); |
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| 119 | return $this; |
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| 120 | } |
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| 121 | |
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| 122 | /** |
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| 123 | * Adds the md5 hash for one or multiple files |
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| 124 | * |
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| 125 | * @param string|array $options |
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| 126 | * @param string $algorithm (Deprecated) Algorithm to use, fixed to md5 |
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| 127 | * @return Zend_Validate_File_Hash Provides a fluent interface |
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| 128 | */ |
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| 129 | public function addHash($options) |
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| 130 | { |
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| 131 | if (!is_array($options)) { |
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| 132 | $options = (array) $options; |
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| 133 | } |
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| 134 | |
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| 135 | $options['algorithm'] = 'md5'; |
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| 136 | parent::addHash($options); |
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| 137 | return $this; |
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| 138 | } |
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| 139 | |
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| 140 | /** |
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| 141 | * Adds the md5 hash for one or multiple files |
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| 142 | * |
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| 143 | * @param string|array $options |
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| 144 | * @return Zend_Validate_File_Hash Provides a fluent interface |
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| 145 | */ |
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| 146 | public function addMd5($options) |
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| 147 | { |
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| 148 | $this->addHash($options); |
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| 149 | return $this; |
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| 150 | } |
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| 151 | |
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| 152 | /** |
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| 153 | * Defined by Zend_Validate_Interface |
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| 154 | * |
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| 155 | * Returns true if and only if the given file confirms the set hash |
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| 156 | * |
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| 157 | * @param string $value Filename to check for hash |
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| 158 | * @param array $file File data from Zend_File_Transfer |
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| 159 | * @return boolean |
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| 160 | */ |
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| 161 | public function isValid($value, $file = null) |
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| 162 | { |
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| 163 | // Is file readable ? |
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| 164 | require_once 'Zend/Loader.php'; |
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| 165 | if (!Zend_Loader::isReadable($value)) { |
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| 166 | return $this->_throw($file, self::NOT_FOUND); |
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| 167 | } |
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| 168 | |
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| 169 | $hashes = array_unique(array_keys($this->_hash)); |
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| 170 | $filehash = hash_file('md5', $value); |
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| 171 | if ($filehash === false) { |
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| 172 | return $this->_throw($file, self::NOT_DETECTED); |
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| 173 | } |
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| 174 | |
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| 175 | foreach($hashes as $hash) { |
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| 176 | if ($filehash === $hash) { |
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| 177 | return true; |
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| 178 | } |
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| 179 | } |
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| 180 | |
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| 181 | return $this->_throw($file, self::DOES_NOT_MATCH); |
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| 182 | } |
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| 183 | } |
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