Refactor authentication system (#2602)

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

src/Form/SelfRegistrationForm.php

@@ -0,0 +1,62 @@
+<?php
+
+/*
+ * This file is part of the Kimai time-tracking app.
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace App\Form;
+
+use App\Entity\User;
+use Symfony\Component\Form\AbstractType;
+use Symfony\Component\Form\Extension\Core\Type\EmailType;
+use Symfony\Component\Form\Extension\Core\Type\PasswordType;
+use Symfony\Component\Form\Extension\Core\Type\RepeatedType;
+use Symfony\Component\Form\FormBuilderInterface;
+use Symfony\Component\OptionsResolver\OptionsResolver;
+
+class SelfRegistrationForm extends AbstractType
+{
+    /**
+     * {@inheritdoc}
+     */
+    public function buildForm(FormBuilderInterface $builder, array $options)
+    {
+        $builder
+            ->add('email', EmailType::class, ['label' => 'label.email'])
+            ->add('username', null, ['label' => 'Username', 'translation_domain' => 'AdminLTEBundle'])
+            ->add('plainPassword', RepeatedType::class, [
+                'type' => PasswordType::class,
+                'options' => [
+                    'attr' => [
+                        'autocomplete' => 'new-password',
+                    ],
+                ],
+                'first_options' => ['label' => 'label.password'],
+                'second_options' => ['label' => 'label.password_repeat'],
+                'invalid_message' => 'The entered passwords don\'t match.',
+            ])
+        ;
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function configureOptions(OptionsResolver $resolver)
+    {
+        $resolver->setDefaults([
+            'data_class' => User::class,
+            'csrf_token_id' => 'registration',
+        ]);
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function getBlockPrefix()
+    {
+        return 'user_registration';
+    }
+}