|
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: Crc32.php 22668 2010-07-25 14:50:46Z thomas $ |
|
20 */ |
|
21 |
|
22 /** |
|
23 * @see Zend_Validate_File_Hash |
|
24 */ |
|
25 require_once 'Zend/Validate/File/Hash.php'; |
|
26 |
|
27 /** |
|
28 * Validator for the crc32 hash of given files |
|
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_Crc32 extends Zend_Validate_File_Hash |
|
36 { |
|
37 /** |
|
38 * @const string Error constants |
|
39 */ |
|
40 const DOES_NOT_MATCH = 'fileCrc32DoesNotMatch'; |
|
41 const NOT_DETECTED = 'fileCrc32NotDetected'; |
|
42 const NOT_FOUND = 'fileCrc32NotFound'; |
|
43 |
|
44 /** |
|
45 * @var array Error message templates |
|
46 */ |
|
47 protected $_messageTemplates = array( |
|
48 self::DOES_NOT_MATCH => "File '%value%' does not match the given crc32 hashes", |
|
49 self::NOT_DETECTED => "A crc32 hash could not be evaluated for the given file", |
|
50 self::NOT_FOUND => "File '%value%' is not readable or does not exist", |
|
51 ); |
|
52 |
|
53 /** |
|
54 * Hash of the file |
|
55 * |
|
56 * @var string |
|
57 */ |
|
58 protected $_hash; |
|
59 |
|
60 /** |
|
61 * Sets validator options |
|
62 * |
|
63 * @param string|array|Zend_Config $options |
|
64 * @return void |
|
65 */ |
|
66 public function __construct($options) |
|
67 { |
|
68 if ($options instanceof Zend_Config) { |
|
69 $options = $options->toArray(); |
|
70 } elseif (is_scalar($options)) { |
|
71 $options = array('hash1' => $options); |
|
72 } elseif (!is_array($options)) { |
|
73 require_once 'Zend/Validate/Exception.php'; |
|
74 throw new Zend_Validate_Exception('Invalid options to validator provided'); |
|
75 } |
|
76 |
|
77 $this->setCrc32($options); |
|
78 } |
|
79 |
|
80 /** |
|
81 * Returns all set crc32 hashes |
|
82 * |
|
83 * @return array |
|
84 */ |
|
85 public function getCrc32() |
|
86 { |
|
87 return $this->getHash(); |
|
88 } |
|
89 |
|
90 /** |
|
91 * Sets the crc32 hash for one or multiple files |
|
92 * |
|
93 * @param string|array $options |
|
94 * @return Zend_Validate_File_Hash Provides a fluent interface |
|
95 */ |
|
96 public function setHash($options) |
|
97 { |
|
98 if (!is_array($options)) { |
|
99 $options = array($options); |
|
100 } |
|
101 |
|
102 $options['algorithm'] = 'crc32'; |
|
103 parent::setHash($options); |
|
104 return $this; |
|
105 } |
|
106 |
|
107 /** |
|
108 * Sets the crc32 hash for one or multiple files |
|
109 * |
|
110 * @param string|array $options |
|
111 * @return Zend_Validate_File_Hash Provides a fluent interface |
|
112 */ |
|
113 public function setCrc32($options) |
|
114 { |
|
115 $this->setHash($options); |
|
116 return $this; |
|
117 } |
|
118 |
|
119 /** |
|
120 * Adds the crc32 hash for one or multiple files |
|
121 * |
|
122 * @param string|array $options |
|
123 * @return Zend_Validate_File_Hash Provides a fluent interface |
|
124 */ |
|
125 public function addHash($options) |
|
126 { |
|
127 if (!is_array($options)) { |
|
128 $options = array($options); |
|
129 } |
|
130 |
|
131 $options['algorithm'] = 'crc32'; |
|
132 parent::addHash($options); |
|
133 return $this; |
|
134 } |
|
135 |
|
136 /** |
|
137 * Adds the crc32 hash for one or multiple files |
|
138 * |
|
139 * @param string|array $options |
|
140 * @return Zend_Validate_File_Hash Provides a fluent interface |
|
141 */ |
|
142 public function addCrc32($options) |
|
143 { |
|
144 $this->addHash($options); |
|
145 return $this; |
|
146 } |
|
147 |
|
148 /** |
|
149 * Defined by Zend_Validate_Interface |
|
150 * |
|
151 * Returns true if and only if the given file confirms the set hash |
|
152 * |
|
153 * @param string $value Filename to check for hash |
|
154 * @param array $file File data from Zend_File_Transfer |
|
155 * @return boolean |
|
156 */ |
|
157 public function isValid($value, $file = null) |
|
158 { |
|
159 // Is file readable ? |
|
160 require_once 'Zend/Loader.php'; |
|
161 if (!Zend_Loader::isReadable($value)) { |
|
162 return $this->_throw($file, self::NOT_FOUND); |
|
163 } |
|
164 |
|
165 $hashes = array_unique(array_keys($this->_hash)); |
|
166 $filehash = hash_file('crc32', $value); |
|
167 if ($filehash === false) { |
|
168 return $this->_throw($file, self::NOT_DETECTED); |
|
169 } |
|
170 |
|
171 foreach($hashes as $hash) { |
|
172 if ($filehash === $hash) { |
|
173 return true; |
|
174 } |
|
175 } |
|
176 |
|
177 return $this->_throw($file, self::DOES_NOT_MATCH); |
|
178 } |
|
179 } |