[TASK] Create extension in2frontendauthentication

Working commit

Classes/Domain/Service/AuthenticationService.php

@@ -0,0 +1,53 @@
+<?php
+namespace In2code\In2frontendauthentication\Domain\Service;
+
+/***************************************************************
+ *  Copyright notice
+ *
+ *  (c) 2016 Alex Kellner <alexander.kellner@in2code.de>, in2code.de
+ *
+ *  All rights reserved
+ *
+ *  This script is part of the TYPO3 project. The TYPO3 project is
+ *  free software; you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation; either version 3 of the License, or
+ *  (at your option) any later version.
+ *
+ *  The GNU General Public License can be found at
+ *  http://www.gnu.org/copyleft/gpl.html.
+ *
+ *  This script is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  This copyright notice MUST APPEAR in all copies of the script!
+ ***************************************************************/
+
+use TYPO3\CMS\Sv\AuthenticationService as AuthenticationServiceCore;
+
+/**
+ * Class Contact
+ */
+class AuthenticationService extends AuthenticationServiceCore
+{
+    public function getUser()
+    {
+        return parent::getUser();
+    }
+
+    public function authUser(array $user)
+    {
+        return parent::authUser($user);
+    }
+
+    public function getGroups($user, $knownGroups)
+    {
+//        return parent::getGroups($user, $knownGroups);
+        $row = (array)$this->getDatabaseConnection()->exec_SELECTgetSingleRow('*', 'fe_groups', 'uid=1');
+//        \TYPO3\CMS\Extbase\Utility\DebuggerUtility::var_dump($row, 'in2code: ' . __CLASS__ . ':' . __LINE__);
+        return $row;
+    }
+
+}

ext_localconf.php

@@ -0,0 +1,19 @@
+<?php
+defined('TYPO3_MODE') || die();
+
+\TYPO3\CMS\Core\Utility\ExtensionManagementUtility::addService(
+    'in2frontendauthentication',
+    'auth',
+    \In2code\In2frontendauthentication\Domain\Service\AuthenticationService::class,
+    [
+        'title' => 'Frontenduser authentication service',
+        'description' => 'Authentication visitors as frontend users if IP address is matching.',
+        'subtype' => 'getUserFE,authUserFE,getGroupsFE',
+        'available' => true,
+        'priority' => 50,
+        'quality' => 50,
+        'os' => '',
+        'exec' => '',
+        'className' => \In2code\In2frontendauthentication\Domain\Service\AuthenticationService::class,
+    ]
+);