src/Subscriber/User/Registration/CheckEmailSubscriber.php line 53

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  1. <?php
  3. namespace App\Subscriber\User\Registration;
  5. use App\Dictionary\MailProviderStatus;
  6. use App\Entity\Account;
  7. use App\Event\User\RegistrationCheckEmailEvent;
  8. use App\Service\Mail\MogelmailService;
  9. use App\Service\System\MailProviderService;
  10. use App\Service\User\AccountService;
  11. use Symfony\Component\EventDispatcher\EventSubscriberInterface;
  13. class CheckEmailSubscriber implements EventSubscriberInterface
  14. {
  15.     /**
  16.      * @var AccountService
  17.      */
  18.     protected $accountService;
  20.     /**
  21.      * @var MogelmailService
  22.      */
  23.     protected $mogelmailService;
  25.     /**
  26.      * @var MailProviderService
  27.      */
  28.     protected $mailProviderService;
  30.     /**
  31.      * CheckEmailSubscriber constructor.
  32.      */
  33.     public function __construct(AccountService $accountService, MailProviderService $mailProviderService,
  34.         MogelmailService $mogelmailService)
  35.     {
  36.         $this->accountService = $accountService;
  37.         $this->mogelmailService = $mogelmailService;
  38.         $this->mailProviderService = $mailProviderService;
  39.     }
  41.     public static function getSubscribedEvents(): array
  42.     {
  43.         return [
  44.             RegistrationCheckEmailEvent::class => [
  45.                 ['checkStringFormat', 100],
  46.                 ['checkAlreadyExistingEmailAddress', 95],
  47.                 ['checkDomainIsBlockedByMailProviders', 90],
  48.                 ['checkMogelmailSuspected', 85],
  49.             ],
  50.         ];
  51.     }
  53.     public function checkStringFormat(RegistrationCheckEmailEvent $event)
  54.     {
  55.         $input = $event->getEmail();
  57.         if (!strstr($input, '@')) {
  58.             $event->setDeclineReason('Invalid email format.');
  59.             $event->stopPropagation();
  60.         }
  61.     }
  63.     public function checkAlreadyExistingEmailAddress(RegistrationCheckEmailEvent $event)
  64.     {
  65.         $email = $event->getEmail();
  66.         if ($this->accountService->findAccountByEmail($email) instanceof Account) {
  67.             $event->setDeclineReason('Email address already taken.');
  68.             $event->stopPropagation();
  69.         }
  70.     }
  72.     public function checkDomainIsBlockedByMailProviders(RegistrationCheckEmailEvent $event)
  73.     {
  74.         $email = $event->getEmail();
  75.         $domain = $this->mogelmailService->extractDomain($email);
  76.         $provider = $this->mailProviderService->findByName($domain);
  78.         if (!$provider) {
  79.             return;
  80.         }
  81.         $status = $provider->getBounceStatus();
  82.         if (MailProviderStatus::OK == $status) {
  83.             return;
  84.         }
  86.         foreach (explode("\n", $provider->getDomains()) as $blockedDomain) {
  87.             if ($blockedDomain == $domain) {
  88.                 $event->setDeclineReason('Domain '.$domain.' is blocked ('.$status.').');
  89.                 $event->stopPropagation();
  91.                 return;
  92.             }
  93.         }
  94.     }
  96.     public function checkMogelmailSuspected(RegistrationCheckEmailEvent $event)
  97.     {
  98.         $email = $event->getEmail();
  99.         if (!$this->mogelmailService->isEmailSuspectForTrash($email)) {
  100.             return;
  101.         }
  103.         // create provider entity with status
  104.         $this->mogelmailService->triggerSuspectMatch($email);
  106.         $event->setDeclineReason('Email address appears to be suspect of spam.');
  107.         $event->stopPropagation();
  108.     }
  109. }