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<?php
namespace Drupal\user;
use Drupal\Core\Entity\EntityManagerInterface;
use Drupal\Core\Password\PasswordInterface;
/**
* Validates user authentication credentials.
*/
class UserAuth implements UserAuthInterface {
/**
* The entity manager.
*
* @var \Drupal\Core\Entity\EntityManagerInterface
*/
protected $entityManager;
/**
* The password hashing service.
*
* @var \Drupal\Core\Password\PasswordInterface
*/
protected $passwordChecker;
/**
* Constructs a UserAuth object.
*
* @param \Drupal\Core\Entity\EntityManagerInterface $entity_manager
* The entity manager.
* @param \Drupal\Core\Password\PasswordInterface $password_checker
* The password service.
*/
public function __construct(EntityManagerInterface $entity_manager, PasswordInterface $password_checker) {
$this->entityManager = $entity_manager;
$this->passwordChecker = $password_checker;
}
/**
* {@inheritdoc}
*/
public function authenticate($username, $password) {
$uid = FALSE;
if (!empty($username) && strlen($password) > 0) {
$account_search = $this->entityManager->getStorage('user')->loadByProperties(['name' => $username]);
if ($account = reset($account_search)) {
if ($this->passwordChecker->check($password, $account->getPassword())) {
// Successful authentication.
$uid = $account->id();
// Update user to new password scheme if needed.
if ($this->passwordChecker->needsRehash($account->getPassword())) {
$account->setPassword($password);
$account->save();
}
}
}
}
return $uid;
}
}