86 lines
2.8 KiB
PHP
86 lines
2.8 KiB
PHP
<?php
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namespace Drupal\user\EventSubscriber;
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use Drupal\Core\Session\AccountInterface;
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use Drupal\Core\Routing\RouteMatch;
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use Drupal\Core\Routing\UrlGeneratorTrait;
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use Drupal\Core\Routing\UrlGeneratorInterface;
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use Symfony\Component\EventDispatcher\EventSubscriberInterface;
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use Symfony\Component\HttpKernel\Event\GetResponseForExceptionEvent;
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use Symfony\Component\HttpKernel\Exception\AccessDeniedHttpException;
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use Symfony\Component\HttpKernel\KernelEvents;
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/**
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* Redirects users when access is denied.
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*
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* Anonymous users are taken to the login page when attempting to access the
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* user profile pages. Authenticated users are redirected from the login form to
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* their profile page and from the user registration form to their profile edit
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* form.
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*/
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class AccessDeniedSubscriber implements EventSubscriberInterface {
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use UrlGeneratorTrait;
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/**
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* The current user.
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*
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* @var \Drupal\Core\Session\AccountInterface
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*/
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protected $account;
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/**
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* Constructs a new redirect subscriber.
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*
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* @param \Drupal\Core\Session\AccountInterface $account
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* The current user.
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* @param \Drupal\Core\Routing\UrlGeneratorInterface $url_generator
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* The URL generator.
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*/
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public function __construct(AccountInterface $account, UrlGeneratorInterface $url_generator) {
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$this->account = $account;
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$this->setUrlGenerator($url_generator);
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}
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/**
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* Redirects users when access is denied.
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*
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* @param \Symfony\Component\HttpKernel\Event\GetResponseForExceptionEvent $event
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* The event to process.
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*/
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public function onException(GetResponseForExceptionEvent $event) {
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$exception = $event->getException();
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if ($exception instanceof AccessDeniedHttpException) {
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$route_name = RouteMatch::createFromRequest($event->getRequest())->getRouteName();
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if ($this->account->isAuthenticated()) {
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switch ($route_name) {
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case 'user.login';
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// Redirect an authenticated user to the profile page.
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$event->setResponse($this->redirect('entity.user.canonical', ['user' => $this->account->id()]));
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break;
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case 'user.register';
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// Redirect an authenticated user to the profile form.
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$event->setResponse($this->redirect('entity.user.edit_form', ['user' => $this->account->id()]));
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break;
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}
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}
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elseif ($route_name === 'user.page') {
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$event->setResponse($this->redirect('user.login'));
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}
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}
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}
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/**
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* {@inheritdoc}
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*/
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public static function getSubscribedEvents() {
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// Use a higher priority than
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// \Drupal\Core\EventSubscriber\ExceptionLoggingSubscriber, because there's
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// no need to log the exception if we can redirect.
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$events[KernelEvents::EXCEPTION][] = ['onException', 75];
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return $events;
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}
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}
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