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<?php
namespace Drupal\user\Authentication\Provider;
use Drupal\Component\Utility\UrlHelper;
use Drupal\Core\Authentication\AuthenticationProviderInterface;
use Drupal\Core\Database\Connection;
use Drupal\Core\Messenger\MessengerInterface;
use Drupal\Core\Routing\TrustedRedirectResponse;
use Drupal\Core\Session\AccountInterface;
use Drupal\Core\Session\UserSession;
use Drupal\Core\Session\SessionConfigurationInterface;
use Drupal\Core\StringTranslation\StringTranslationTrait;
use Symfony\Component\EventDispatcher\EventSubscriberInterface;
use Symfony\Component\HttpFoundation\RedirectResponse;
use Symfony\Component\HttpFoundation\Request;
use Symfony\Component\HttpFoundation\Session\SessionInterface;
use Symfony\Component\HttpKernel\Event\ResponseEvent;
use Symfony\Component\HttpKernel\KernelEvents;
/**
* Cookie based authentication provider.
*/
class Cookie implements AuthenticationProviderInterface, EventSubscriberInterface {
use StringTranslationTrait;
/**
* The session configuration.
*
* @var \Drupal\Core\Session\SessionConfigurationInterface
*/
protected $sessionConfiguration;
/**
* The database connection.
*
* @var \Drupal\Core\Database\Connection
*/
protected $connection;
/**
* The messenger.
*
* @var \Drupal\Core\Messenger\MessengerInterface
*/
protected $messenger;
/**
* Constructs a new cookie authentication provider.
*
* @param \Drupal\Core\Session\SessionConfigurationInterface $session_configuration
* The session configuration.
* @param \Drupal\Core\Database\Connection $connection
* The database connection.
* @param \Drupal\Core\Messenger\MessengerInterface $messenger
* The messenger.
*/
public function __construct(SessionConfigurationInterface $session_configuration, Connection $connection, MessengerInterface $messenger) {
$this->sessionConfiguration = $session_configuration;
$this->connection = $connection;
$this->messenger = $messenger;
}
/**
* {@inheritdoc}
*/
public function applies(Request $request) {
$applies = $this->sessionConfiguration->hasSession($request);
if (!$applies && $request->query->has('check_logged_in')) {
$domain = ltrim(ini_get('session.cookie_domain'), '.') ?: $request->getHttpHost();
$this->messenger->addMessage($this->t('To log in to this site, your browser must accept cookies from the domain %domain.', ['%domain' => $domain]), 'error');
}
return $applies;
}
/**
* {@inheritdoc}
*/
public function authenticate(Request $request) {
return $this->getUserFromSession($request->getSession());
}
/**
* Returns the UserSession object for the given session.
*
* @param \Symfony\Component\HttpFoundation\Session\SessionInterface $session
* The session.
*
* @return \Drupal\Core\Session\AccountInterface|null
* The UserSession object for the current user, or NULL if this is an
* anonymous session.
*/
protected function getUserFromSession(SessionInterface $session) {
if ($uid = $session->get('uid')) {
// @todo Load the User entity in SessionHandler so we don't need queries.
// @see https://www.drupal.org/node/2345611
$values = $this->connection
->query('SELECT * FROM {users_field_data} [u] WHERE [u].[uid] = :uid AND [u].[default_langcode] = 1', [':uid' => $uid])
->fetchAssoc();
// Check if the user data was found and the user is active.
if (!empty($values) && $values['status'] == 1) {
// Add the user's roles.
$rids = $this->connection
->query('SELECT [roles_target_id] FROM {user__roles} WHERE [entity_id] = :uid', [':uid' => $values['uid']])
->fetchCol();
$values['roles'] = array_merge([AccountInterface::AUTHENTICATED_ROLE], $rids);
return new UserSession($values);
}
}
// This is an anonymous session.
return NULL;
}
/**
* Adds a query parameter to check successful log in redirect URL.
*
* @param \Symfony\Component\HttpKernel\Event\ResponseEvent $event
* The Event to process.
*/
public function addCheckToUrl(ResponseEvent $event) {
$response = $event->getResponse();
if ($response instanceof RedirectResponse) {
if ($event->getRequest()->getSession()->has('check_logged_in')) {
$event->getRequest()->getSession()->remove('check_logged_in');
$url = $response->getTargetUrl();
$options = UrlHelper::parse($url);
$options['query']['check_logged_in'] = '1';
$url = $options['path'] . '?' . UrlHelper::buildQuery($options['query']);
if (!empty($options['fragment'])) {
$url .= '#' . $options['fragment'];
}
// In the case of trusted redirect, we have to update the list of
// trusted URLs because here we've just modified its target URL
// which is in the list.
if ($response instanceof TrustedRedirectResponse) {
$response->setTrustedTargetUrl($url);
}
$response->setTargetUrl($url);
}
}
}
/**
* Registers the methods in this class that should be listeners.
*
* @return array
* An array of event listener definitions.
*/
public static function getSubscribedEvents(): array {
$events[KernelEvents::RESPONSE][] = ['addCheckToUrl', -1000];
return $events;
}
}
|
