<?php

require_once '/var/www/html/forum/library/XenForo/Autoloader.php';

ini_set('display_errors', 1);
ini_set('display_startup_errors', 1);
error_reporting(E_ALL);

class Xenforo extends Plugin
{
/**
* Runtime values
*/
private $username;
private $password;
private $email;
private $db;

/**
* Receive the user information
* @param String $username
* @param String $password
* @param String email
*/
public function register($username, $password, $email)
{
    $this->username = $username;
    $this->password = $password;
    $this->email = $email;
    $this->db = $this->CI->load->database($this->CI->config->item('bridge'), TRUE);

    $this->generate($password);
    $this->authenticate($userId, $password);

    $this->process();
}

/**
* Add the account
*/
private function process()
{
    //Insert the User.
    $this->db->query("INSERT INTO ".$this->CI->config->item('forum_table_prefix')."
        xf_user(`username`, `email`, `activity_visible`, `visible`, user_group_id`, `display_style_group_id`, `permission_combination_id`, register_date`, `user_state`, `language_id`)
        VALUES(?, ?, '1', '1', '2', '2', '2', 'valid', '1')",
        array($this->username, $this->email, time()));

    //Insert the User Password in the Authentication Database.
    $this->db->query("INSERT INTO ".$this->CI->config->item('forum_table_prefix')."
    xf_user_authentication(`user_id`, `scheme_class`, `data`, `remember_key`)
    VALUES(?, 'XenForo_Authentication_Core12', ?, ?)", /*Here we set the Base Authentication method! "XenForo_Authentication_Core12"*/
    array($this->password));
    }

    /**
    * Use the XenForo base Class & generate a Hashcode
    * Define here the XenForo Autoloader to use the XenForo Base filesystem!
    */

    public function __construct()
    {
        $startTime = microtime(true);
        XenForo_Autoloader::getInstance()->setupAutoloader('/var/www/html/forum/library');
        XenForo_Application::initialize('/var/www/html/forum/library');
        XenForo_Application::set('page_start_time', $startTime);
        XenForo_Session::startPublicSession();
    }

    /**
    * Generate new authentication data
    * @see XenForo_Authentication_Abstract::generate()
    */
    protected function generate($password)
    {
        $passwordHash = new XenForo_PasswordHash(XenForo_Application::getConfig()->passwordIterations, false);
        $output = array('hash' => $passwordHash->HashPassword($password));
        return serialize($output);
    }

    /**
    * Authenticate against the given password
    * @see XenForo_Authentication_Abstract::authenticate()
    */
    protected function authenticate($userId, $password)
    {
        if (!is_string($password) || $password === '' || empty($this->_data))
        {
            return false;
        }

        $passwordHash = new XenForo_PasswordHash(XenForo_Application::getConfig()->passwordIterations, false);
        return $passwordHash->CheckPassword($password, $this->_data['hash']);
    }

    protected function isUpgradable()
    {
        if (!empty($this->_data['hash']))
        {
            $passwordHash = new XenForo_PasswordHash(XenForo_Application::getConfig()->passwordIterations, false);
            $expectedIterations = min(intval(XenForo_Application::getConfig()->passwordIterations), 30);
            $iterations = null;

            if (preg_match('/^\$(P|H)\$(.)/i',  $this->_data['hash'], $match))
            {
                $iterations = $passwordHash->reverseItoA64($match[2]) - 5; // 5 iterations removed in PHP 5
            }
            else if (preg_match('/^\$2a\$(\d+)\$.*$/i', $this->_data['hash'], $match))
            {
                $iterations = intval($match[1]);
            }

            return $expectedIterations !== $iterations;
        }

        return true;
    }
}