Refactor authentication system (#2602)

Make auth configuration available via UI, remove FOSUserBundle and SAML-Bundle dependency

tests/Controller/ControllerBaseTest.php

@@ -10,8 +10,10 @@
 namespace App\Tests\Controller;
 
 use App\DataFixtures\UserFixtures;
+use App\Entity\Configuration;
 use App\Entity\User;
 use App\Repository\ConfigurationRepository;
+use App\Repository\UserRepository;
 use App\Tests\KernelTestTrait;
 use Symfony\Bundle\FrameworkBundle\Test\WebTestCase;
 use Symfony\Component\HttpFoundation\BinaryFileResponse;
@@ -33,6 +35,43 @@ abstract class ControllerBaseTest extends WebTestCase
         parent::tearDown();
     }
 
+    /**
+     * Using a special container, to access private services as well.
+     *
+     * @param string $service
+     * @return object|null
+     * @see https://symfony.com/blog/new-in-symfony-4-1-simpler-service-testing
+     */
+    protected function getPrivateService(string $service)
+    {
+        return self::$container->get($service);
+    }
+
+    protected function loadUserFromDatabase(string $username)
+    {
+        $container = self::$kernel->getContainer();
+        /** @var UserRepository $userRepository */
+        $userRepository = $container->get('doctrine')->getRepository(User::class);
+        $user = $userRepository->loadUserByUsername($username);
+        self::assertInstanceOf(User::class, $user);
+
+        return $user;
+    }
+
+    protected function setSystemConfiguration(string $name, $value): void
+    {
+        $repository = static::$kernel->getContainer()->get(ConfigurationRepository::class);
+
+        $entity = $repository->findOneBy(['name' => $name]);
+        if ($entity === null) {
+            $entity = new Configuration();
+            $entity->setName($name);
+        }
+        $entity->setValue($value);
+        $repository->saveConfiguration($entity);
+        $this->clearConfigCache();
+    }
+
     protected function clearConfigCache()
     {
         /** @var ConfigurationRepository $repository */