acf

plugins/system/nrframework/NRFramework/User.php

@@ -0,0 +1,103 @@
+<?php
+
+/**
+ * @author          Tassos Marinos <info@tassos.gr>
+ * @link            https://www.tassos.gr
+ * @copyright       Copyright © 2024 Tassos All Rights Reserved
+ * @license         GNU GPLv3 <http://www.gnu.org/licenses/gpl.html> or later
+*/
+
+namespace NRFramework;
+
+defined('_JEXEC') or die('Restricted access');
+
+use NRFramework\Cache;
+use Joomla\CMS\Factory;
+
+class User
+{
+    /**
+     * Return the user object
+     *
+     * @param  mixed $id  The primary key of the user
+     *
+     * @return mixed object on success, null on failure
+     */
+    public static function get($id = null)
+    {
+        // Return current active user
+        if (is_null($id))
+        {
+            return Factory::getUser();
+        }
+
+        // Prevent Joomla from displaying a warning from missing user by checking if the user exists first
+        if (!self::exists($id))
+        {
+            return;
+        }
+        
+        return Factory::getUser($id);
+    }
+
+    /**
+     * Checks whether the user does exist in the database
+     *
+     * @param  integer $id  The primary key of the user
+     *
+     * @return bool
+     */
+    public static function exists($id)
+    {
+        $hash = 'user' . $id;
+
+        if (Cache::has($hash))
+        {
+            return Cache::get($hash);
+        }
+
+        $db = Factory::getDbo();
+
+        $query = $db->getQuery(true)
+            ->select('count(id)')
+            ->from('#__users')
+            ->where('id = ' . $db->quote($id));
+        $db->setQuery($query);
+
+        // Cache result
+        return Cache::set($hash, $db->loadResult());
+    }
+
+    /**
+     * Get the IP address of the user
+     *
+     * @return string
+     */
+    public static function getIP()
+    {
+        $server = Factory::getApplication()->input->server;
+
+        $ip = '';
+
+        // Whether ip is from the share internet  
+        if (!empty($server->get('HTTP_CLIENT_IP')))
+        {  
+            $ip = $server->get('HTTP_CLIENT_IP', '', 'string');
+        }
+        //whether ip is from the proxy  
+        else if (!empty($server->get('HTTP_X_FORWARDED_FOR')))
+        {  
+            $ip = $server->get('HTTP_X_FORWARDED_FOR', '', 'string');
+        }
+        else
+        {
+            $ip = $server->get('REMOTE_ADDR', '', 'string');
+        }
+
+        // Get the first IP if multiple were returned
+        $ips = explode(',', $ip);
+        $ip = reset($ips);
+
+        return $ip;
+    }
+}