Add strict user converter

Converter/AuthenticatedUserConverter.php

@@ -49,7 +49,7 @@ public function __construct(TokenStorageInterface $tokenStorage, TranslatorInter
      * @{inheritDoc}
      *
      * @throws InvalidConfigurationException if the parameter name is missing
-     * @throws AccessDeniedHttpException     if the current user is not authenticated
+     * @throws AccessDeniedException         if the current request is anonymous
      */
     public function apply(Request $request, ParamConverter $configuration)
     {

Converter/CurrentUserConverter.php

@@ -0,0 +1,69 @@
+<?php
+
+/*
+ * This file is part of the Claroline Connect package.
+ *
+ * (c) Claroline Consortium <[email protected]>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Claroline\CoreBundle\Converter;
+
+use Claroline\CoreBundle\Entity\User;
+use JMS\DiExtraBundle\Annotation as DI;
+use Sensio\Bundle\FrameworkExtraBundle\Configuration\ParamConverter;
+use Sensio\Bundle\FrameworkExtraBundle\Request\ParamConverter\ParamConverterInterface;
+use Symfony\Component\HttpFoundation\Request;
+use Symfony\Component\HttpKernel\Exception\AccessDeniedHttpException;
+use Symfony\Component\Security\Core\Authentication\Token\Storage\TokenStorageInterface;
+
+/**
+ * @DI\Service
+ * @DI\Tag("request.param_converter", attributes={"converter"="current_user"})
+ */
+class CurrentUserConverter implements ParamConverterInterface
+{
+    private $tokenStorage;
+
+    /**
+     * @DI\InjectParams({"tokenStorage" = @DI\Inject("security.token_storage")})
+     *
+     * @param TokenStorageInterface $tokenStorage
+     */
+    public function __construct(TokenStorageInterface $tokenStorage)
+    {
+        $this->tokenStorage = $tokenStorage;
+    }
+
+    /**
+     * {@inheritDoc}
+     *
+     * @throws InvalidConfigurationException if the parameter name is missing
+     * @throws AccessDeniedHttpException     if the current request is anonymous
+     */
+    public function apply(Request $request, ParamConverter $configuration)
+    {
+        if (null === $parameter = $configuration->getName()) {
+            throw new InvalidConfigurationException(InvalidConfigurationException::MISSING_NAME);
+        }
+
+        if (($user = $this->tokenStorage->getToken()->getUser()) instanceof User) {
+            $request->attributes->set($parameter, $user);
+
+            return true;
+        }
+
+        throw new AccessDeniedHttpException();
+    }
+
+    /**
+     * {@inheritDoc}
+     */
+    public function supports(ParamConverter $configuration)
+    {
+        return $configuration->getConverter() === 'current_user';
+    }
+}
+