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File Content: `Crc32.php`

<?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) 2005-2015 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 crc32 hash of given files
 *
 * @category  Zend
 * @package   Zend_Validate
 * @copyright  Copyright (c) 2005-2015 Zend Technologies USA Inc. (http://www.zend.com)
 * @license   http://framework.zend.com/license/new-bsd     New BSD License
 */
class Zend_Validate_File_Crc32 extends Zend_Validate_File_Hash
{
    /**
     * @const string Error constants
     */
    const DOES_NOT_MATCH = 'fileCrc32DoesNotMatch';
    const NOT_DETECTED   = 'fileCrc32NotDetected';
    const NOT_FOUND      = 'fileCrc32NotFound';

    /**
     * @var array Error message templates
     */
    protected $_messageTemplates = array(
        self::DOES_NOT_MATCH => "File '%value%' does not match the given crc32 hashes",
        self::NOT_DETECTED   => "A crc32 hash could not be evaluated for the given file",
        self::NOT_FOUND      => "File '%value%' is not readable or does not exist",
    );

    /**
     * Hash of the file
     *
     * @var string
     */
    protected $_hash;

    /**
     * Sets validator options
     *
     * @param  string|array|Zend_Config $options
     * @throws Zend_Validate_Exception
     * @return Zend_Validate_File_Crc32
     */
    public function __construct($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');
        }

        $this->setCrc32($options);
    }

    /**
     * Returns all set crc32 hashes
     *
     * @return array
     */
    public function getCrc32()
    {
        return $this->getHash();
    }

    /**
     * Sets the crc32 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);
        }

        $options['algorithm'] = 'crc32';
        parent::setHash($options);
        return $this;
    }

    /**
     * Sets the crc32 hash for one or multiple files
     *
     * @param  string|array $options
     * @return Zend_Validate_File_Hash Provides a fluent interface
     */
    public function setCrc32($options)
    {
        $this->setHash($options);
        return $this;
    }

    /**
     * Adds the crc32 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);
        }

        $options['algorithm'] = 'crc32';
        parent::addHash($options);
        return $this;
    }

    /**
     * Adds the crc32 hash for one or multiple files
     *
     * @param  string|array $options
     * @return Zend_Validate_File_Hash Provides a fluent interface
     */
    public function addCrc32($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('crc32', $value);
        if ($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);
    }
}

Name	Size	Permission
Count.php	8003 bytes	0644
Crc32.php	4944 bytes	0644
ExcludeExtension.php	2903 bytes	0644
ExcludeMimeType.php	3281 bytes	0644
Exists.php	5800 bytes	0644
Extension.php	6262 bytes	0644
FilesSize.php	5303 bytes	0644
Hash.php	5491 bytes	0644
ImageSize.php	11148 bytes	0644
IsCompressed.php	4621 bytes	0644
IsImage.php	5220 bytes	0644
Md5.php	4955 bytes	0644
MimeType.php	14095 bytes	0644
NotExists.php	2473 bytes	0644
Sha1.php	4976 bytes	0644
Size.php	11215 bytes	0644
Upload.php	7856 bytes	0644
WordCount.php	3068 bytes	0644

File Content: Crc32.php

File Content: `Crc32.php`