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authordavehauenstein <davehauenstein@d4e419ec-0920-11de-bbfd-a7c1bc4c261e>2009-04-15 22:06:42 +0000
committerdavehauenstein <davehauenstein@d4e419ec-0920-11de-bbfd-a7c1bc4c261e>2009-04-15 22:06:42 +0000
commitc53d8d026021f97075fb2f4940ba22793c38fb6e (patch)
treec5d7865bc0fd226ecc7525d7de8a1d0b0c5c89fd /lib/Zend/Validate/File/Sha1.php
parenta414fcee8e7dc733443c6a971162d0dd9d0e723f (diff)
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+<?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) 2005-2008 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license http://framework.zend.com/license/new-bsd New BSD License
+ * @version $Id: $
+ */
+
+/**
+ * @see Zend_Validate_File_Hash
+ */
+require_once 'Zend/Validate/File/Hash.php';
+
+/**
+ * Validator for the sha1 hash of given files
+ *
+ * @category Zend
+ * @package Zend_Validate
+ * @copyright Copyright (c) 2005-2008 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license http://framework.zend.com/license/new-bsd New BSD License
+ */
+class Zend_Validate_File_Sha1 extends Zend_Validate_File_Hash
+{
+ /**
+ * @const string Error constants
+ */
+ const DOES_NOT_MATCH = 'fileSha1DoesNotMatch';
+ const NOT_DETECTED = 'fileSha1NotDetected';
+ const NOT_FOUND = 'fileSha1NotFound';
+
+ /**
+ * @var array Error message templates
+ */
+ protected $_messageTemplates = array(
+ self::DOES_NOT_MATCH => "The file '%value%' does not match the given sha1 hashes",
+ self::NOT_DETECTED => "There was no sha1 hash detected for the given file",
+ self::NOT_FOUND => "The file '%value%' could not be found"
+ );
+
+ /**
+ * Hash of the file
+ *
+ * @var string
+ */
+ protected $_hash;
+
+ /**
+ * Sets validator options
+ *
+ * $hash is the hash we accept for the file $file
+ *
+ * @param string|array $options
+ * @return void
+ */
+ public function __construct($options)
+ {
+ if ($options instanceof Zend_Config) {
+ $options = $options->toArray();
+ } elseif (is_scalar($options)) {
+ $options = array('hash1' => $options);
+ } elseif (!is_array($options)) {
+ require_once 'Zend/Validate/Exception.php';
+ throw new Zend_Validate_Exception('Invalid options to validator provided');
+ }
+
+ $this->setHash($options);
+ }
+
+ /**
+ * Returns all set sha1 hashes
+ *
+ * @return array
+ */
+ public function getSha1()
+ {
+ return $this->getHash();
+ }
+
+ /**
+ * Sets the sha1 hash for one or multiple files
+ *
+ * @param string|array $options
+ * @return Zend_Validate_File_Hash Provides a fluent interface
+ */
+ public function setHash($options)
+ {
+ if (!is_array($options)) {
+ $options = (array) $options;
+ }
+
+ $options['algorithm'] = 'sha1';
+ parent::setHash($options);
+ return $this;
+ }
+
+ /**
+ * Sets the sha1 hash for one or multiple files
+ *
+ * @param string|array $options
+ * @return Zend_Validate_File_Hash Provides a fluent interface
+ */
+ public function setSha1($options)
+ {
+ $this->setHash($options);
+ return $this;
+ }
+
+ /**
+ * Adds the sha1 hash for one or multiple files
+ *
+ * @param string|array $options
+ * @return Zend_Validate_File_Hash Provides a fluent interface
+ */
+ public function addHash($options)
+ {
+ if (!is_array($options)) {
+ $options = (array) $options;
+ }
+
+ $options['algorithm'] = 'sha1';
+ parent::addHash($options);
+ return $this;
+ }
+
+ /**
+ * Adds the sha1 hash for one or multiple files
+ *
+ * @param string|array $options
+ * @return Zend_Validate_File_Hash Provides a fluent interface
+ */
+ public function addSha1($options)
+ {
+ $this->addHash($options);
+ return $this;
+ }
+
+ /**
+ * Defined by Zend_Validate_Interface
+ *
+ * Returns true if and only if the given file confirms the set hash
+ *
+ * @param string $value Filename to check for hash
+ * @param array $file File data from Zend_File_Transfer
+ * @return boolean
+ */
+ public function isValid($value, $file = null)
+ {
+ // Is file readable ?
+ require_once 'Zend/Loader.php';
+ if (!Zend_Loader::isReadable($value)) {
+ return $this->_throw($file, self::NOT_FOUND);
+ }
+
+ $hashes = array_unique(array_keys($this->_hash));
+ $filehash = hash_file('sha1', $value);
+ if ($filehash === false) {
+ return $this->_throw($file, self::NOT_DETECTED);
+ }
+
+ foreach ($hashes as $hash) {
+ if ($filehash === $hash) {
+ return true;
+ }
+ }
+
+ return $this->_throw($file, self::DOES_NOT_MATCH);
+ }
+}