Current File : //www/varak.net/losik.varak.net/vendor/nette/security/src/Security/Passwords.php
<?php
/**
* This file is part of the Nette Framework (https://nette.org)
* Copyright (c) 2004 David Grudl (https://davidgrudl.com)
*/
declare(strict_types=1);
namespace Nette\Security;
use Nette;
/**
* Password Hashing.
*/
class Passwords
{
use Nette\SmartObject;
/** @var int|string string since PHP 7.4 */
private $algo;
/** @var array */
private $options;
/**
* Chooses which secure algorithm is used for hashing and how to configure it.
* @see https://php.net/manual/en/password.constants.php
*/
public function __construct($algo = PASSWORD_DEFAULT, array $options = [])
{
$this->algo = $algo;
$this->options = $options;
}
/**
* Computes password´s hash. The result contains the algorithm ID and its settings, cryptographical salt and the hash itself.
*/
public function hash(string $password): string
{
if ($password === '') {
throw new Nette\InvalidArgumentException('Password can not be empty.');
}
$hash = @password_hash($password, $this->algo, $this->options); // @ is escalated to exception
if (!$hash) {
throw new Nette\InvalidStateException('Computed hash is invalid. ' . error_get_last()['message']);
}
return $hash;
}
/**
* Finds out, whether the given password matches the given hash.
*/
public function verify(string $password, string $hash): bool
{
return password_verify($password, $hash);
}
/**
* Finds out if the hash matches the options given in constructor.
*/
public function needsRehash(string $hash): bool
{
return password_needs_rehash($hash, $this->algo, $this->options);
}
}
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