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<?php
/*
 * @package 	RSFirewall!
 * @copyright 	(c) 2009 - 2024 RSJoomla!
 * @link 		https://www.rsjoomla.com/joomla-extensions/joomla-security.html
 * @license 	GNU General Public License https://www.gnu.org/licenses/gpl-3.0.en.html
 */

\defined('_JEXEC') or die;

use Joomla\CMS\MVC\Model\BaseDatabaseModel;
use Joomla\CMS\Version;
use Joomla\CMS\Factory;
use Joomla\CMS\Language\Text;
use Joomla\CMS\Table\Table;

class RsfirewallModelRsfirewall extends BaseDatabaseModel
{
	protected $config;
	
	public function __construct($config = array()) {
		parent::__construct($config);

		$this->config = RSFirewallConfig::getInstance();
	}
	
	public function getLastMonthLogs() {       
        $db     = $this->getDbo();
		$query  = $db->getQuery(true);
		
        // get the date format
        $format = $db->getDateFormat();
        // get the date class
        $date   = Factory::getDate();
        $now    = Factory::getDate();
       
        $date->modify('-30 days');
       
        $query->select("COUNT(`id`) AS num, YEAR(date) AS y, LPAD(MONTH(date), 2, '0') AS m, LPAD(DAY(date), 2, '0') AS d, level")
			  ->from('#__rsfirewall_logs')
			  ->where($db->qn('date').' > '.$db->q($date->format($format)))
			  ->group('level, y, m, d');
        $db->setQuery($query);
        $results = $db->loadObjectList();
       
        $nowformat = $now->format('d.m.Y');
        $dates = array();
        while ($nowformat != $date->format('d.m.Y')) {
            $format = $date->format('Y-m-d');
            $dates[$format] = array(
                'low'       => 0,
                'medium'	=> 0,
                'high'      => 0,
                'critical'  => 0
            );
            $date->modify('+1 day');
        }
        // add the current day as well
        $format = $date->format('Y-m-d');
        $dates[$format] = array(
            'low'        => 0,
            'medium'     => 0,
            'high'       => 0,
            'critical'   => 0
        );
	   
        foreach ($results as $result) {
            $y = $result->y;
            $m = $result->m;
            $d = $result->d;
           
            $format = "$y-$m-$d";
           
            if (!isset($dates[$format])) {
                $dates[$format] = array(
                    'low'       => 0,
                    'medium'    => 0,
                    'high'      => 0,
                    'critical'  => 0
                );
            }
           
            $dates[$format][$result->level] = $result->num;
        }
       
        return $dates;
    }
	
	public function getLogOverviewNum() {
		return $this->config->get('log_overview');
	}
	
	public function getLastLogs() {
		$db 	= $this->getDbo();
		$query 	= $db->getQuery(true);		
		$query->select('*')
			  ->from('#__rsfirewall_logs')
			  ->order($db->qn('date').' DESC');
		
		$db->setQuery($query, 0, $this->getLogOverviewNum());
		return $db->loadObjectList();
	}
	
	public function getCode() {
		return $this->config->get('code');
	}
	
	public function getModifiedFiles() {
		$db 		= $this->getDbo();
		$query 		= $db->getQuery(true);		
		$jversion 	= new Version();
		
		$query->select('*')
			  ->from('#__rsfirewall_hashes')
			  ->where('('.$db->qn('type').'='.$db->q('protect').' OR '.$db->qn('type').'='.$db->q($jversion->getShortVersion()).')')
			  ->where($db->qn('flag').'!='.$db->q(''));
		$db->setQuery($query);
		$files = $db->loadObjectList();
		foreach ($files as $i => $file) {
			$file->error = false;
			$file->path  = $file->type == 'protect' ? $file->file : JPATH_SITE.DIRECTORY_SEPARATOR.$file->file;
			
			if (!is_file($file->path)) {
				$file->modified_hash = Text::_('COM_RSFIREWALL_FILE_IS_MISSING');
				$file->error = true;
			} elseif (!is_readable($file->path)) {
				$file->modified_hash = Text::sprintf('COM_RSFIREWALL_COULD_NOT_READ_FILE', $file->file);
				$file->error = true;
			} else {
				$file->modified_hash = md5_file($file->path);
			}
			
			if ($file->modified_hash === $file->hash) {
				unset($files[$i]);
				
				$query->clear()
					  ->update($db->qn('#__rsfirewall_hashes'))
					  ->set($db->qn('flag').'='.$db->q(''))
					  ->where($db->qn('id').'='.$db->q($file->id));
				
				$db->setQuery($query)->execute();
			}
		}
		
		return $files;
	}
	
	public function acceptModifiedFiles($cids)
	{
		$files = $this->getModifiedFiles();
		
		foreach ($files as $file)
		{
			if (!$file->error)
			{
				if (in_array($file->id, $cids))
				{
					$table = Table::getInstance('Hashes', 'RsfirewallTable');
					$table->bind(array(
						'id' => $file->id,
						'hash' => $file->modified_hash,
						'flag' => ''
					));
					$table->store();
				}
			}
		}
		
		return true;
	}

	public function getCountryBlocking()
	{
		return $this->config->get('blocked_countries');
	}

	public function getGeoIPStatus()
	{
		// Load model
		require_once JPATH_ADMINISTRATOR . '/components/com_rsfirewall/models/configuration.php';
		$model = new RsfirewallModelConfiguration();
		
		// Get info on GeoIP
		$info = $model->getGeoIPInfo();
		
		// Does it work?
		return $info->works;
	}
}