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Direktori : /home2/selectio/www/mm-tailor-billing/vendor/zendframework/zend-validator/src/File/ |
Current File : //home2/selectio/www/mm-tailor-billing/vendor/zendframework/zend-validator/src/File/Hash.php |
<?php /** * Zend Framework (http://framework.zend.com/) * * @link http://github.com/zendframework/zf2 for the canonical source repository * @copyright Copyright (c) 2005-2015 Zend Technologies USA Inc. (http://www.zend.com) * @license http://framework.zend.com/license/new-bsd New BSD License */ namespace Zend\Validator\File; use Zend\Validator\AbstractValidator; use Zend\Validator\Exception; use Zend\Validator\File\FileInformationTrait; /** * Validator for the hash of given files */ class Hash extends AbstractValidator { use FileInformationTrait; /** * @const string Error constants */ const DOES_NOT_MATCH = 'fileHashDoesNotMatch'; const NOT_DETECTED = 'fileHashHashNotDetected'; const NOT_FOUND = 'fileHashNotFound'; /** * @var array Error message templates */ protected $messageTemplates = [ self::DOES_NOT_MATCH => "File does not match the given hashes", self::NOT_DETECTED => "A hash could not be evaluated for the given file", self::NOT_FOUND => "File is not readable or does not exist" ]; /** * Options for this validator * * @var string */ protected $options = [ 'algorithm' => 'crc32', 'hash' => null, ]; /** * Sets validator options * * @param string|array $options */ public function __construct($options = null) { if (is_scalar($options) || (is_array($options) && ! array_key_exists('hash', $options))) { $options = ['hash' => $options]; } if (1 < func_num_args()) { $options['algorithm'] = func_get_arg(1); } parent::__construct($options); } /** * Returns the set hash values as array, the hash as key and the algorithm the value * * @return array */ public function getHash() { return $this->options['hash']; } /** * Sets the hash for one or multiple files * * @param string|array $options * @return self Provides a fluent interface */ public function setHash($options) { $this->options['hash'] = null; $this->addHash($options); return $this; } /** * Adds the hash for one or multiple files * * @param string|array $options * @throws Exception\InvalidArgumentException * @return self Provides a fluent interface */ public function addHash($options) { if (is_string($options)) { $options = [$options]; } elseif (! is_array($options)) { throw new Exception\InvalidArgumentException("False parameter given"); } $known = hash_algos(); if (! isset($options['algorithm'])) { $algorithm = $this->options['algorithm']; } else { $algorithm = $options['algorithm']; unset($options['algorithm']); } if (! in_array($algorithm, $known)) { throw new Exception\InvalidArgumentException("Unknown algorithm '{$algorithm}'"); } foreach ($options as $value) { if (! is_string($value)) { throw new Exception\InvalidArgumentException(sprintf( 'Hash must be a string, %s received', is_object($value) ? get_class($value) : gettype($value) )); } $this->options['hash'][$value] = $algorithm; } return $this; } /** * Returns true if and only if the given file confirms the set hash * * @param string|array $value File to check for hash * @param array $file File data from \Zend\File\Transfer\Transfer (optional) * @return bool */ public function isValid($value, $file = null) { $fileInfo = $this->getFileInfo($value, $file); $this->setValue($fileInfo['filename']); // Is file readable ? if (empty($fileInfo['file']) || false === is_readable($fileInfo['file'])) { $this->error(self::NOT_FOUND); return false; } $algos = array_unique(array_values($this->getHash())); foreach ($algos as $algorithm) { $filehash = hash_file($algorithm, $fileInfo['file']); if ($filehash === false) { $this->error(self::NOT_DETECTED); return false; } if (isset($this->getHash()[$filehash]) && $this->getHash()[$filehash] === $algorithm) { return true; } } $this->error(self::DOES_NOT_MATCH); return false; } }