www.aleph1.co.uk Git - yaffs-website/blob - web/core/modules/user/src/UserAuth.php

   1 <?php
   2
   3 namespace Drupal\user;
   4
   5 use Drupal\Core\Entity\EntityManagerInterface;
   6 use Drupal\Core\Password\PasswordInterface;
   7
   8 /**
   9  * Validates user authentication credentials.
  10  */
  11 class UserAuth implements UserAuthInterface {
  12
  13   /**
  14    * The entity manager.
  15    *
  16    * @var \Drupal\Core\Entity\EntityManagerInterface
  17    */
  18   protected $entityManager;
  19
  20   /**
  21    * The password hashing service.
  22    *
  23    * @var \Drupal\Core\Password\PasswordInterface
  24    */
  25   protected $passwordChecker;
  26
  27   /**
  28    * Constructs a UserAuth object.
  29    *
  30    * @param \Drupal\Core\Entity\EntityManagerInterface $entity_manager
  31    *   The entity manager.
  32    * @param \Drupal\Core\Password\PasswordInterface $password_checker
  33    *   The password service.
  34    */
  35   public function __construct(EntityManagerInterface $entity_manager, PasswordInterface $password_checker) {
  36     $this->entityManager = $entity_manager;
  37     $this->passwordChecker = $password_checker;
  38   }
  39
  40   /**
  41    * {@inheritdoc}
  42    */
  43   public function authenticate($username, $password) {
  44     $uid = FALSE;
  45
  46     if (!empty($username) && strlen($password) > 0) {
  47       $account_search = $this->entityManager->getStorage('user')->loadByProperties(['name' => $username]);
  48
  49       if ($account = reset($account_search)) {
  50         if ($this->passwordChecker->check($password, $account->getPassword())) {
  51           // Successful authentication.
  52           $uid = $account->id();
  53
  54           // Update user to new password scheme if needed.
  55           if ($this->passwordChecker->needsRehash($account->getPassword())) {
  56             $account->setPassword($password);
  57             $account->save();
  58           }
  59         }
  60       }
  61     }
  62
  63     return $uid;
  64   }
  65
  66 }