[TASK] Create extension in2frontendauthentication

Finishing extension

Classes/Domain/Repository/FeGroupsRepository.php

@@ -0,0 +1,101 @@
+<?php
+namespace In2code\In2frontendauthentication\Domain\Repository;
+
+/***************************************************************
+ *  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\Core\Database\DatabaseConnection;
+use TYPO3\CMS\Core\Utility\GeneralUtility;
+
+/**
+ * Class Contact
+ */
+class FeGroupsRepository
+{
+    const TABLE_NAME = 'fe_groups';
+
+    /**
+     * Find groups with current IP address
+     *
+     * @return array
+     */
+    public function findByCurrentIpAddress()
+    {
+        $row = $this->getDatabaseConnection()->exec_SELECTgetSingleRow(
+            '*',
+            self::TABLE_NAME,
+            'deleted = 0 and hidden = 0' . $this->getIpQueryString()
+        );
+        if ($row !== false) {
+            return $row;
+        }
+        return [];
+    }
+
+    /**
+     * Build string like
+     *      ip_mask like "%1.1.1.1%" and ip_mask like "%2.2.2.2%"
+     *
+     * @return string
+     */
+    protected function getIpQueryString()
+    {
+        $queryString = ' and (';
+        foreach ($this->getCurrentIpAddresses() as $ipAddress) {
+            $databaseConnection = $this->getDatabaseConnection();
+            $ipAddress = $databaseConnection->quoteStr($ipAddress, self::TABLE_NAME);
+            $queryString .= 'ip_mask like "%' . $ipAddress .  '%" or ';
+        }
+        $queryString = rtrim($queryString, ' or ');
+        $queryString .= ')';
+        return $queryString;
+    }
+
+    /**
+     * Get current IP address and all variants with wildcards
+     *
+     * @return array
+     */
+    protected function getCurrentIpAddresses()
+    {
+        $ips = [
+            GeneralUtility::getIndpEnv('REMOTE_ADDR')
+        ];
+        $parts = GeneralUtility::trimExplode('.', $ips[0], true);
+        $ips[] = '*.*.*.*';
+        $ips[] = $parts[0] . '.*.*.*';
+        $ips[] = $parts[0] . '.' . $parts[1] . '.*.*';
+        $ips[] = $parts[0] . '.' . $parts[1] . '.' . $parts[2] . '.*';
+        return $ips;
+    }
+
+    /**
+     * @return DatabaseConnection
+     * @SuppressWarnings(PHPMD.Superglobals)
+     */
+    protected function getDatabaseConnection()
+    {
+        return $GLOBALS['TYPO3_DB'];
+    }
+}