.-.-.-.-.-

<?php
/**
 * @version        $Id: plgCkformsSpamCheck.php
 * @package        visforms SpamCheck - check for possible spambots during register and login
 * @author         vi-solutions, Aicha Vack the plugin is build on user-plugin spambotchek, originally written by Robert Kuster
 * @link         https://www.vi-solutions.de
 * @copyright      Copyright (C) 2013 vi-solutions. All rights reserved.
 * @license        GNU/GPL, see LICENSE.txt
 */
// Check to ensure this file is included in Joomla!
defined('_JEXEC') or die('Restricted access');

use Joomla\CMS\Factory;
use Joomla\CMS\Language\Text;
use Joomla\CMS\MVC\Model\BaseDatabaseModel;
use Joomla\CMS\Plugin\CMSPlugin;
use Joomla\Registry\Registry;
use Joomla\Event\DispatcherInterface;
use Visolutions\Component\Visforms\Site\Model\VisformsModel as VisformsModelSite;

require_once JPATH_SITE . '/plugins/visforms/spambotcheck/spambotcheck/spambotcheckimpl.php';

class plgVisformsSpambotCheck extends CMSPlugin
{
	private $model;
	private $id;
	private $input;
    protected $autoloadLanguage = true;

public function __construct(DispatcherInterface $subject, array $config) {
		parent::__construct($subject, $config);
		$this->input = Factory::getApplication()->input;
		$this->id = $this->input->getInt('id', 0);
	}

/**
	 * Example store user method
	 *
	 * Method is called before user data is stored in the database
	 *
	 * @param array        holds the old user data (without new changes applied)
	 * @param boolean        true if a new user is stored
	 *
	 * RKFIX - Check if this is a known spammer. If so:
	 *            > prevent user registration
	 *            > notify the admins about the registration attempt via email
	 *            > show the the normal login notification to the user
	 */
	public function onVisformsSpambotCheck($context = '') {
		$this->model = new VisformsModelSite(array('ignore_request' => true, 'id' => $this->id));
		$fields = $this->model->getItems();
		$form = $this->model->getForm();
		$user = Array();
		$user['email'] = "";
		//find the first e-mail field in form and consider it the recipient mail
		foreach ($fields as $value) {
			if (isset($value->typefield) && $value->typefield == "email") {
				$emailField = $value->name;
				if (isset($form->context)) {
					$emailField = $form->context . $emailField;
				}
				$user['email'] = $this->input->getString($emailField, '');
				break;
			}
		}
		//$this->params->set('current_action', 'Register');
		$spamString = "";
		if (self::isSpammer($user, $spamString)) {
			if ($context == '') {
				//we come from an older version of the data edit extension
				//Throw a message for the spammer
				$app = Factory::getApplication();
				$app->enqueueMessage(sprintf(Text::_('PLG_VISFORMS_SPAMBOTCHECK_USER_LOGIN_SPAM_TXT')), "error");
			}
			//do nothing else
			return true;
		}
		return false;
	}

/**
	 * Method check if the user specified is a spammer.
	 *
	 * @param array        holds the user data
	 * @param string $spamstring hold the raw spam string
	 *
	 * @return boolean True if user is a spammer and False if he isn't.
	 */
	function isSpammer($user, &$spamString) {
		$form = $this->model->getForm();
		if (!isset($form->spamprotection)) {
			return false;
		}
		$registry = new Registry;
		$params = $registry->loadString($form->spamprotection);
		$SpambotCheck = new plgVisformsSpambotCheckImpl($params, $user['email'], $_SERVER['REMOTE_ADDR'], "");
		$SpambotCheck->checkSpambots();
		if ($SpambotCheck->sIdentifierTag == false || strlen($SpambotCheck->sIdentifierTag) == 0 || strpos($SpambotCheck->sIdentifierTag, "SPAMBOT_TRUE") === false) {
			// not a spammer
			$spamString = "";
			return false;
		}
		// if we get here we have to deal with a spammer
		$spamString = $SpambotCheck->sIdentifierTag;
		return true;
	}
}

/var/www/rustam/data/www/belyaus.pro/modules/../plugins/visforms/spambotcheck/spambotcheck.php