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: / opt / psa / admin / plib / modules / monitoring / vendor / laminas / laminas-validator / src / File /
Filename : Md5.php
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<?php

namespace PleskMonitoring\Laminas\Validator\File;

use function array_keys;
use function array_unique;
use function hash_file;
use function is_readable;
/**
 * Validator for the md5 hash of given files
 *
 * @final
 */
class Md5 extends Hash
{
    use FileInformationTrait;
    /**
     * @const string Error constants
     */
    public const DOES_NOT_MATCH = 'fileMd5DoesNotMatch';
    public const NOT_DETECTED = 'fileMd5NotDetected';
    public const NOT_FOUND = 'fileMd5NotFound';
    /** @var array Error message templates */
    protected $messageTemplates = [self::DOES_NOT_MATCH => 'File does not match the given md5 hashes', self::NOT_DETECTED => 'An md5 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' => 'md5', 'hash' => null];
    /**
     * Returns all set md5 hashes
     *
     * @return array
     */
    public function getMd5()
    {
        return $this->getHash();
    }
    /**
     * Sets the md5 hash for one or multiple files
     *
     * @param  string|array $options
     * @return Hash Provides a fluent interface
     */
    public function setMd5($options)
    {
        $this->setHash($options);
        return $this;
    }
    /**
     * Adds the md5 hash for one or multiple files
     *
     * @param  string|array $options
     * @return Hash Provides a fluent interface
     */
    public function addMd5($options)
    {
        $this->addHash($options);
        return $this;
    }
    /**
     * Returns true if and only if the given file confirms the set hash
     *
     * @param  string|array $value Filename to check for hash
     * @param  array        $file  File data from \Laminas\File\Transfer\Transfer (optional)
     * @return bool
     */
    public function isValid($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;
        }
        $hashes = array_unique(array_keys($this->getHash()));
        $filehash = hash_file('md5', $fileInfo['file']);
        if ($filehash === \false) {
            $this->error(self::NOT_DETECTED);
            return \false;
        }
        foreach ($hashes as $hash) {
            if ($filehash === $hash) {
                return \true;
            }
        }
        $this->error(self::DOES_NOT_MATCH);
        return \false;
    }
}