N°8771 - Add Symfony form component to iTop core (#760)

- Add Symfony Form Component
- Add Symfony CSRF security component
- Add iTop default form template
- Add Twig debug extension to Twig Environment
- Add iTop abstract controller facility to get form builder
- Add Twig filter to make trans an alias of dict_s filter

lib/symfony/security-core/Security.php

@@ -0,0 +1,69 @@
+<?php
+
+/*
+ * This file is part of the Symfony package.
+ *
+ * (c) Fabien Potencier <fabien@symfony.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Symfony\Component\Security\Core;
+
+use Psr\Container\ContainerInterface;
+use Symfony\Bundle\SecurityBundle\Security as NewSecurityHelper;
+use Symfony\Component\Security\Core\Authentication\Token\TokenInterface;
+use Symfony\Component\Security\Core\Authorization\AuthorizationCheckerInterface;
+use Symfony\Component\Security\Core\User\UserInterface;
+
+/**
+ * Helper class for commonly-needed security tasks.
+ *
+ * @deprecated since Symfony 6.2, use \Symfony\Bundle\SecurityBundle\Security instead
+ */
+class Security implements AuthorizationCheckerInterface
+{
+    public const ACCESS_DENIED_ERROR = '_security.403_error';
+    public const AUTHENTICATION_ERROR = '_security.last_error';
+    public const LAST_USERNAME = '_security.last_username';
+
+    /**
+     * @deprecated since Symfony 6.2, use \Symfony\Component\Security\Http\Authenticator\Passport\Badge\UserBadge::MAX_USERNAME_LENGTH instead
+     */
+    public const MAX_USERNAME_LENGTH = 4096;
+
+    private ContainerInterface $container;
+
+    public function __construct(ContainerInterface $container, bool $triggerDeprecation = true)
+    {
+        $this->container = $container;
+
+        if ($triggerDeprecation) {
+            trigger_deprecation('symfony/security-core', '6.2', 'The "%s" class is deprecated, use "%s" instead.', __CLASS__, NewSecurityHelper::class);
+        }
+    }
+
+    public function getUser(): ?UserInterface
+    {
+        if (!$token = $this->getToken()) {
+            return null;
+        }
+
+        return $token->getUser();
+    }
+
+    /**
+     * Checks if the attributes are granted against the current authentication token and optionally supplied subject.
+     */
+    public function isGranted(mixed $attributes, mixed $subject = null): bool
+    {
+        return $this->container->get('security.authorization_checker')
+            ->isGranted($attributes, $subject);
+    }
+
+    public function getToken(): ?TokenInterface
+    {
+        return $this->container->get('security.token_storage')->getToken();
+    }
+}