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Sha1.php

182 lines

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) 2005-2011 Zend Technologies USA Inc. (http://www.zend.com)
18	* @license http://framework.zend.com/license/new-bsd New BSD License
19	* @version $Id: Sha1.php 23775 2011-03-01 17:25:24Z ralph $
20	*/
21
22	/**
23	* @see Zend_Validate_File_Hash
24	*/
25	// require_once 'Zend/Validate/File/Hash.php';
26
27	/**
28	* Validator for the sha1 hash of given files
29	*
30	* @category Zend
31	* @package Zend_Validate
32	* @copyright Copyright (c) 2005-2011 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_Sha1 extends Zend_Validate_File_Hash
36	{
37	/**
38	* @const string Error constants
39	*/
40	const DOES_NOT_MATCH = 'fileSha1DoesNotMatch';
41	const NOT_DETECTED = 'fileSha1NotDetected';
42	const NOT_FOUND = 'fileSha1NotFound';
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 sha1 hashes",
49	self::NOT_DETECTED => "A sha1 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	* $hash is the hash we accept for the file $file
64	*
65	* @param string\|array $options
66	* @return void
67	*/
68	public function __construct($options)
69	{
70	if ($options instanceof Zend_Config) {
71	$options = $options->toArray();
72	} elseif (is_scalar($options)) {
73	$options = array('hash1' => $options);
74	} elseif (!is_array($options)) {
75	// require_once 'Zend/Validate/Exception.php';
76	throw new Zend_Validate_Exception('Invalid options to validator provided');
77	}
78
79	$this->setHash($options);
80	}
81
82	/**
83	* Returns all set sha1 hashes
84	*
85	* @return array
86	*/
87	public function getSha1()
88	{
89	return $this->getHash();
90	}
91
92	/**
93	* Sets the sha1 hash for one or multiple files
94	*
95	* @param string\|array $options
96	* @return Zend_Validate_File_Hash Provides a fluent interface
97	*/
98	public function setHash($options)
99	{
100	if (!is_array($options)) {
101	$options = (array) $options;
102	}
103
104	$options['algorithm'] = 'sha1';
105	parent::setHash($options);
106	return $this;
107	}
108
109	/**
110	* Sets the sha1 hash for one or multiple files
111	*
112	* @param string\|array $options
113	* @return Zend_Validate_File_Hash Provides a fluent interface
114	*/
115	public function setSha1($options)
116	{
117	$this->setHash($options);
118	return $this;
119	}
120
121	/**
122	* Adds the sha1 hash for one or multiple files
123	*
124	* @param string\|array $options
125	* @return Zend_Validate_File_Hash Provides a fluent interface
126	*/
127	public function addHash($options)
128	{
129	if (!is_array($options)) {
130	$options = (array) $options;
131	}
132
133	$options['algorithm'] = 'sha1';
134	parent::addHash($options);
135	return $this;
136	}
137
138	/**
139	* Adds the sha1 hash for one or multiple files
140	*
141	* @param string\|array $options
142	* @return Zend_Validate_File_Hash Provides a fluent interface
143	*/
144	public function addSha1($options)
145	{
146	$this->addHash($options);
147	return $this;
148	}
149
150	/**
151	* Defined by Zend_Validate_Interface
152	*
153	* Returns true if and only if the given file confirms the set hash
154	*
155	* @param string $value Filename to check for hash
156	* @param array $file File data from Zend_File_Transfer
157	* @return boolean
158	*/
159	public function isValid($value, $file = null)
160	{
161	// Is file readable ?
162	// require_once 'Zend/Loader.php';
163	if (!Zend_Loader::isReadable($value)) {
164	return $this->_throw($file, self::NOT_FOUND);
165	}
166
167	$hashes = array_unique(array_keys($this->_hash));
168	$filehash = hash_file('sha1', $value);
169	if ($filehash === false) {
170	return $this->_throw($file, self::NOT_DETECTED);
171	}
172
173	foreach ($hashes as $hash) {
174	if ($filehash === $hash) {
175	return true;
176	}
177	}
178
179	return $this->_throw($file, self::DOES_NOT_MATCH);
180	}
181	}
182