117 lines
2.9 KiB
PHP
117 lines
2.9 KiB
PHP
<?php
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/**
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* Zend Framework (http://framework.zend.com/)
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*
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* @link http://github.com/zendframework/zf2 for the canonical source repository
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* @copyright Copyright (c) 2005-2015 Zend Technologies USA Inc. (http://www.zend.com)
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* @license http://framework.zend.com/license/new-bsd New BSD License
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*/
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namespace Zend\Validator\File;
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use Zend\Validator\File\FileInformationTrait;
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/**
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* Validator for the sha1 hash of given files
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*/
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class Sha1 extends Hash
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{
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use FileInformationTrait;
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/**
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* @const string Error constants
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*/
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const DOES_NOT_MATCH = 'fileSha1DoesNotMatch';
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const NOT_DETECTED = 'fileSha1NotDetected';
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const NOT_FOUND = 'fileSha1NotFound';
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/**
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* @var array Error message templates
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*/
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protected $messageTemplates = [
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self::DOES_NOT_MATCH => "File does not match the given sha1 hashes",
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self::NOT_DETECTED => "A sha1 hash could not be evaluated for the given file",
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self::NOT_FOUND => "File is not readable or does not exist",
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];
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/**
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* Options for this validator
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*
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* @var string
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*/
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protected $options = [
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'algorithm' => 'sha1',
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'hash' => null,
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];
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/**
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* Returns all set sha1 hashes
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*
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* @return array
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*/
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public function getSha1()
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{
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return $this->getHash();
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}
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/**
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* Sets the sha1 hash for one or multiple files
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*
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* @param string|array $options
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* @return Hash Provides a fluent interface
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*/
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public function setSha1($options)
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{
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$this->setHash($options);
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return $this;
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}
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/**
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* Adds the sha1 hash for one or multiple files
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*
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* @param string|array $options
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* @return Hash Provides a fluent interface
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*/
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public function addSha1($options)
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{
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$this->addHash($options);
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return $this;
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}
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/**
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* Returns true if and only if the given file confirms the set hash
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*
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* @param string $value|array Filename to check for hash
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* @param array $file File data from \Zend\File\Transfer\Transfer (optional)
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* @return bool
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*/
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public function isValid($value, $file = null)
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{
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$fileInfo = $this->getFileInfo($value, $file);
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$this->setValue($fileInfo['filename']);
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// Is file readable ?
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if (empty($fileInfo['file']) || false === is_readable($fileInfo['file'])) {
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$this->error(self::NOT_FOUND);
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return false;
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}
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$hashes = array_unique(array_keys($this->getHash()));
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$filehash = hash_file('sha1', $fileInfo['file']);
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if ($filehash === false) {
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$this->error(self::NOT_DETECTED);
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return false;
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}
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foreach ($hashes as $hash) {
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if ($filehash === $hash) {
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return true;
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}
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}
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$this->error(self::DOES_NOT_MATCH);
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return false;
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}
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}
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