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PasswordHasherFactory.php
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PasswordHasherFactory.php
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<?php
/**
* CakePHP(tm) : Rapid Development Framework (http://cakephp.org)
* Copyright (c) Cake Software Foundation, Inc. (http://cakefoundation.org)
*
* Licensed under The MIT License
* For full copyright and license information, please see the LICENSE.txt
* Redistributions of files must retain the above copyright notice.
*
* @copyright Copyright (c) Cake Software Foundation, Inc. (http://cakefoundation.org)
* @link http://cakephp.org CakePHP(tm) Project
* @since 3.0.0
* @license http://www.opensource.org/licenses/mit-license.php MIT License
*/
namespace Cake\Auth;
use Cake\Core\App;
use RuntimeException;
/**
* Builds password hashing objects
*
*/
class PasswordHasherFactory
{
/**
* Returns password hasher object out of a hasher name or a configuration array
*
* @param string|array $passwordHasher Name of the password hasher or an array with
* at least the key `className` set to the name of the class to use
* @return \Cake\Auth\AbstractPasswordHasher Password hasher instance
* @throws \RuntimeException If password hasher class not found or
* it does not extend Cake\Auth\AbstractPasswordHasher
*/
public static function build($passwordHasher)
{
$config = [];
if (is_string($passwordHasher)) {
$class = $passwordHasher;
} else {
$class = $passwordHasher['className'];
$config = $passwordHasher;
unset($config['className']);
}
$className = App::className($class, 'Auth', 'PasswordHasher');
if ($className === false) {
throw new RuntimeException(sprintf('Password hasher class "%s" was not found.', $class));
}
$hasher = new $className($config);
if (!($hasher instanceof AbstractPasswordHasher)) {
throw new RuntimeException('Password hasher must extend AbstractPasswordHasher class.');
}
return $hasher;
}
}