Add option to redirect logged in users to destination.

src/Form/VerifyEmailForm.php

@@ -7,10 +7,12 @@
 use Drupal\Component\Utility\EmailValidatorInterface;
 use Drupal\Core\Form\FormBase;
 use Drupal\Core\Form\FormStateInterface;
+use Drupal\Core\Session\AccountProxyInterface;
+use Drupal\Core\Url;
 use Drupal\verify_email\Service\VerifierInterface;
 use Drupal\verify_email\VerifyEmailInterface;
 use Symfony\Component\DependencyInjection\ContainerInterface;
-use Drupal\Core\Url;
+use Symfony\Component\HttpFoundation\RedirectResponse;
 
 /**
  * Provides a Verify Email form.
@@ -21,6 +23,7 @@ final class VerifyEmailForm extends FormBase {
    * Constructs a new VerifyEmailForm.
    */
   public function __construct(
+    protected readonly AccountProxyInterface $currentUser,
     protected readonly EmailValidatorInterface $emailValidator,
     protected readonly VerifierInterface $verifier,
   ) {}
@@ -30,6 +33,7 @@ public function __construct(
    */
   public static function create(ContainerInterface $container): self {
     return new static(
+      $container->get('current_user'),
       $container->get('email.validator'),
       $container->get('verify_email.verifier'),
     );
@@ -45,9 +49,12 @@ public function getFormId(): string {
   /**
    * {@inheritdoc}
    */
-  public function buildForm(array $form, FormStateInterface $form_state, VerifyEmailInterface|null $entity = NULL): array {
+  public function buildForm(array $form, FormStateInterface $form_state, VerifyEmailInterface|null $entity = NULL): RedirectResponse|array {
 
     $form_state->set('entity', $entity);
+    if ($this->currentUser()->isAuthenticated()) {
+      return new RedirectResponse($entity->getRedirectPath());
+    }
 
     $form['intro'] = [
       '#markup' => $entity->getIntro(),

tests/src/Functional/VerifyEmailRoutingTest.php

@@ -86,6 +86,17 @@ public function testVerifyEmailRoute(): void {
     $this->assertSession()->pageTextContains('Enter your email address.');
   }
 
+  /**
+   * Test the verify email form for authenticated user.
+   */
+  public function testVerifyEmailRouteAuthenticatedUser(): void {
+    $this->drupalLogin($this->adminUser);
+    $this->drupalGet('/verify-email-form');
+    // Test redirection.
+    $this->assertSession()->addressEquals('node/1');
+    $this->drupalLogout();
+  }
+
   /**
    * Tests invalid email validation.
    */