Deprecate Google Authenticator integration

src/Command/TwoStepVerificationCommand.php

@@ -23,7 +23,9 @@
 use Symfony\Component\Console\Output\OutputInterface;
 
 /**
- * NEXT_MAJOR: stop extending ContainerAwareCommand.
+ * NEXT_MAJOR: Remove this command.
+ *
+ * @deprecated since sonata-project/user-bundle 4.x, it will be removed on 5.0.
  */
 class TwoStepVerificationCommand extends ContainerAwareCommand
 {

src/DependencyInjection/Configuration.php

@@ -61,6 +61,7 @@ public function getConfigTreeBuilder()
                     ->end()
                 ->end()
                 ->arrayNode('google_authenticator')
+                    ->setDeprecated('The "%node%" option is deprecated.')
                     ->addDefaultsIfNotSet()
                     ->children()
                         ->scalarNode('server')->cannotBeEmpty()->end()

src/DependencyInjection/SonataUserExtension.php

@@ -64,13 +64,15 @@ public function load(array $configs, ContainerBuilder $container): void
 
         $loader->load('form.xml');
 
+        // NEXT_MAJOR: Remove this condition.
         if (class_exists('Google\Authenticator\GoogleAuthenticator')) {
             @trigger_error(
                 'The \'Google\Authenticator\' namespace is deprecated in sonata-project/GoogleAuthenticator since version 2.1 and will be removed in 3.0.',
                 \E_USER_DEPRECATED
             );
         }
 
+        // NEXT_MAJOR: Remove this condition and all the configuration related to this.
         if (class_exists('Google\Authenticator\GoogleAuthenticator') ||
             class_exists('Sonata\GoogleAuthenticator\GoogleAuthenticator')) {
             $loader->load('google_authenticator.xml');
@@ -157,6 +159,8 @@ public function fixImpersonating(array $config)
     }
 
     /**
+     * NEXT_MAJOR: Remove this method.
+     *
      * @param array $config
      *
      * @throws \RuntimeException
@@ -176,11 +180,18 @@ public function configureGoogleAuthenticator($config, ContainerBuilder $containe
             return;
         }
 
-        if (!class_exists('Google\Authenticator\GoogleAuthenticator')
-            && !class_exists('Sonata\GoogleAuthenticator\GoogleAuthenticator')) {
+        if (
+            !class_exists('Google\Authenticator\GoogleAuthenticator')
+            && !class_exists('Sonata\GoogleAuthenticator\GoogleAuthenticator')
+        ) {
             throw new \RuntimeException('Please add "sonata-project/google-authenticator" package');
         }
 
+        @trigger_error(
+            'The Google Authenticator integration is deprecated since sonata-project/user-bundle 4.x and will be removed in 5.0.',
+            \E_USER_DEPRECATED
+        );
+
         $container->setParameter('sonata.user.google.authenticator.forced_for_role', $config['google_authenticator']['forced_for_role']);
 
         // NEXT_MAJOR: Remove this checks and only set the `trusted_ip_list`.

src/GoogleAuthenticator/Helper.php

@@ -19,6 +19,11 @@
 use Symfony\Component\Security\Core\Authentication\Token\UsernamePasswordToken;
 use Symfony\Component\Security\Core\Authorization\AuthorizationCheckerInterface;
 
+/**
+ * NEXT_MAJOR: Remove this class.
+ *
+ * @deprecated since sonata-project/user-bundle 4.x, it will be removed on 5.0.
+ */
 class Helper
 {
     /**

src/GoogleAuthenticator/InteractiveLoginListener.php

@@ -17,6 +17,11 @@
 use Symfony\Component\Security\Core\Authentication\Token\UsernamePasswordToken;
 use Symfony\Component\Security\Http\Event\InteractiveLoginEvent;
 
+/**
+ * NEXT_MAJOR: Remove this class.
+ *
+ * @deprecated since sonata-project/user-bundle 4.x, it will be removed on 5.0.
+ */
 class InteractiveLoginListener
 {
     /**

src/GoogleAuthenticator/RequestListener.php

@@ -21,6 +21,11 @@
 use Symfony\Component\Security\Core\Authentication\Token\UsernamePasswordToken;
 use Twig\Environment;
 
+/**
+ * NEXT_MAJOR: Remove this class.
+ *
+ * @deprecated since sonata-project/user-bundle 4.x, it will be removed on 5.0.
+ */
 class RequestListener
 {
     /**