display msg when user account is disabled

config/packages/security.yaml

@@ -74,6 +74,7 @@ security:
             switch_user:
                 provider: fos_userbundle
             access_denied_handler: App\Security\AccessDeniedHandler
+            user_checker: App\Security\UserChecker
        
     encoders:
         FOS\UserBundle\Model\UserInterface:

src/Security/UserChecker.php

+<?php
+
+namespace App\Security;
+
+use App\Entity\User as AppUser;
+use Symfony\Component\Security\Core\Exception\AccountExpiredException;
+use Symfony\Component\Security\Core\Exception\CustomUserMessageAuthenticationException;
+use Symfony\Component\Security\Core\User\UserCheckerInterface;
+use Symfony\Component\Security\Core\User\UserInterface;
+
+class UserChecker implements UserCheckerInterface
+{
+    public function checkPreAuth(UserInterface $user): void
+    {
+        if (!$user instanceof AppUser) {
+            return;
+        }
+
+        if (!$user->isEnabled()) {
+            throw new CustomUserMessageAuthenticationException('Account is disabled.');
+        }
+    }
+
+    public function checkPostAuth(UserInterface $user): void
+    {
+        if (!$user instanceof AppUser) {
+            return;
+        }
+    }
+}
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