<?php
/**
 * Social Login
 *
 * @version 	1.0
 * @author		SmokerMan, Arkadiy, Joomline
 * @copyright	© 2012. All rights reserved.
 * @license 	GNU/GPL v.3 or later.
 */

// No direct access.
defined('_JEXEC') or die('(@)|(@)');

// import Joomla controller library
jimport('joomla.application.component.controller');

jimport('joomla.environment.http');
jimport('joomla.user.authentication');

require_once JPATH_ROOT . '/components/com_slogin/helpers/password.php';

//костыль для поддержки 2 и  3 джумлы
if(!class_exists('SLoginControllerParent')){
    if(class_exists('JControllerLegacy')){
        class SLoginControllerParent extends JControllerLegacy{}
    }
    else{
        class SLoginControllerParent extends JController{}
    }
}

/**
 * SLogin Controller
 *
 * @package        Joomla.Site
 * @subpackage    com_slogin
 */
class SLoginController extends SLoginControllerParent
{
    protected
        $config,
        $realName,
        $username,
        $first_name,
        $last_name,
        $email,
        $slogin_id,
        $orcid,
        $eduid,
        $provider,
        $rawRequest,
        $network,
        $cache;

    public function __construct()
    {
        parent::__construct(array());
        $this->cache = JFactory::getCache();
        $this->config = JComponentHelper::getParams('com_slogin');
    }

    /**
     * Аутентификация пользователя
     */
    public function auth()
    {
        $this->cache->clean();
        $this->cache->remove($this->cache->makeId(), 'page');

        $app	= JFactory::getApplication();

        $input = $app->input;

        $plugin = $input->getString('plugin', '');

        $app->setUserState('com_slogin.action.data', $input->getString('action', ''));

        $app->setUserState('com_slogin.return_url', $app->getUserStateFromRequest('com_slogin.return', 'return', ''));

        $redirect = JURI::base().'?option=com_slogin&task=check&plugin='.$plugin;

        $this->localAuthDebug($redirect);

        if(JPluginHelper::isEnabled('slogin_auth', $plugin))
        {
            $dispatcher	= JDispatcher::getInstance();

            JPluginHelper::importPlugin('slogin_auth', $plugin);

            $url = $dispatcher->trigger('onSloginAuth');
            $url = $url[0];
        }
        else{
            echo 'Plugin ' . $plugin . ' not published or not installed.';
            exit;
        }

        header("Cache-Control: no-store, no-cache, must-revalidate");
        header("Expires: " . date("r"));
        header('Location:' . $url);
    }

    /**
     * Проверка аутентификации на сайте донора
     * Создание новой учетной записи на сайте или утентификация, если такой пользователь уже есть
     */
    public function check()
    {
        $this->cache->clean();
        $this->cache->remove($this->cache->makeId(), 'page');
        
        $input = JFactory::getApplication()->input;

        $plugin = $input->getString('plugin', '');

        $this->localCheckDebug($plugin);

        if(JPluginHelper::isEnabled('slogin_auth', $plugin))
        {
            $dispatcher	= JDispatcher::getInstance();

            JPluginHelper::importPlugin('slogin_auth', $plugin);

            $request = $dispatcher->trigger('onSloginCheck');
            $request = $request[0];
        }
        else{
            echo 'Plugin ' . $plugin . ' not published or not installed.';
            exit;
        }

        $app = JFactory::getApplication();
        $popup = $app->getUserState('com_slogin.popup', 'yes');
        $app->setUserState('com_slogin.popup', 'yes');
        $popup = ($popup == 'none') ? false : true;

        if (isset($request->first_name))
        {
            $this->realName     = !empty($request->real_name) ? $request->real_name : '';
            $this->username     = !empty($request->real_name) ? $request->real_name : '';
            $this->first_name   = !empty($request->first_name) ? $request->first_name : '';
            $this->last_name    = !empty($request->last_name) ? $request->last_name : '';
            $this->email        = !empty($request->email) ? $request->email : '';
            $this->slogin_id    = !empty($request->id) ? $request->id : '';
           // $this->orcid   = !empty($request->orcid ) ? $request->orcid  : '';
           // $this->eduid= !empty($request->eduid) ? $request->eduid: '';
          
            $this->provider     = $plugin;
            $this->rawRequest   = $request->all_request;
            $this->network      = !empty($request->network) ? $request->network : '';

            $this->storeOrLogin($popup);
        }
    }

    /**
     * Метод для отправки запросов
     * @param string     $url    УРЛ
     * @param boolean     $method    false - GET, true - POST
     * @param string     $params    Параметры для POST запроса
     * @return string    Результат запроса
     */
    function open_http($url, $method = false, $params = null)
    {

        if (!function_exists('curl_init')) {
            die('ERROR: CURL library not found!');
        }

        $ch = curl_init();
        curl_setopt($ch, CURLOPT_URL, $url);
        curl_setopt($ch, CURLOPT_POST, $method);
        if ($method == true && isset($params)) {
            curl_setopt($ch, CURLOPT_POSTFIELDS, $params);
        }
        
    
        curl_setopt($ch,  CURLOPT_HTTPHEADER, array(
            'Content-Length: '.strlen($params),
       
            'Cache-Control: no-store, no-cache, must-revalidate',
            "Expires: " . date("r")
        ));
         
        
        curl_setopt($ch, CURLOPT_HEADER, 0);
        curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
        curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, FALSE);

// 		curl_setopt($ch, CURLOPT_SSL_VERIFYHOST, 2);

        $result = curl_exec($ch);
        curl_close($ch);
        return $result;
    }

  
    public function setUserName()
    {
        $confName = $this->config->get('user_name', 1);

        if ($confName == 1)
        {
            $name = $this->first_name . ' ' . $this->last_name;
        }
        else if($confName == 2)
        {
            $name = (!empty($this->email)) ? $this->email : $this->first_name . ' ' . $this->last_name;
        }
        else
        {
            $name = $this->first_name;
        }
        return $name;
    }

    public function setUserUserName()
    {
        $confName = $this->config->get('user_user_name', 1);
        if ($confName == 1 || empty($this->email))
        {
            $name = $this->transliterate($this->first_name.'-'.$this->last_name.'-'.$this->provider);
        }
        else
        {
            $name = $this->email;
        }
        return $name;
    }

    public function setVars($varname, $value)
    {
        $this->$varname = $value;
    }

    private function CheckUniqueName($username)
    {
        $db = JFactory::getDbo();
        $query = $db->getQuery(true);
        $uname = $username;
        $i = 0;
        $name = '';
        while($uname)
        {
            $name = ($i == 0) ? $username : $username.'-'.$i;

            $query->clear();
            $query->select($db->quoteName('username'));
            $query->from($db->quoteName('#__users'));
            $query->where($db->quoteName('username') . ' = ' . $db->quote($name));
            $db->setQuery($query, 0, 1);
            $uname = $db->loadResult();

            $i++;
        }
        return $name;
    }

    private function deleteSloginUser($slogin_id, $provider){
        $db = JFactory::getDbo();

        JPluginHelper::importPlugin('slogin_integration');
        $dispatcher = JDispatcher::getInstance();
        $query = $db->getQuery(true);
        $query->select('id');
        $query->from('#__slogin_users');
        $query->where($db->quoteName('slogin_id') . ' = ' . $db->quote($slogin_id));
        $query->where($db->quoteName('provider') . ' = ' . $db->quote($provider));
        $db->setQuery((string)$query, 0, 1);
        $id = (int)$db->loadResult();

        if($id == 0){
            return false;
        }

        $dispatcher->trigger('onBeforeSloginDeleteSloginUser',array($id));

        $query = $db->getQuery(true);
        $query->delete();
        $query->from($db->quoteName('#__slogin_users'));
        $query->where($db->quoteName('id') . ' = ' . $db->quote($id));
        $db->setQuery($query);
        $db->query();

        $dispatcher->trigger('onAfterSloginDeleteSloginUser',array($id));
        return true;
    }

    /**
     * Метод для добавления новой учетной записи
     * @param string $username        Username учетной записи (не больше 150)
     * @param string $name            Имя учетной записи
     * @param strind $email            Email
     * @param $uid                      Идентификатор пользователя у провайдера
     * @param $provider                 идентификатор провайдера
     * @throws Exception
     */
    protected function storeUser()
    {
        $app	= JFactory::getApplication();

        //отсылаем на подверждение владения мылом если разрешено и найдено
        $userId = $this->CheckEmail($this->email);

        if($userId)
        {
            $app->setUserState(
                'com_slogin.provider.data',
                array(
                    'email' => $this->email,
                    'first_name' => $this->first_name,
                    'last_name' => $this->last_name,
                    'provider' => $this->provider,
                    'slogin_id' => $this->slogin_id,
                )
            );
        }

        if(JComponentHelper::getParams('com_users')->get('useractivation') > 0)
        {
            $this->setUserActivation();
        }

        $secret = $this->config->get('secret', '');
        $password = SloginPasswordHelper::generatePassword($this->slogin_id, $this->provider, $secret);

        JFactory::getLanguage()->load('com_users');

        JModelLegacy::addIncludePath(JPATH_SITE.'/components/com_users/models');
        $model	= $this->getModel('Registration', 'UsersModel');

		$username = $this->CheckUniqueName($this->username);

        $userId	= (int)$model->register(
            array(
                "name" => $this->realName,
                "username" => $username,
                "password1" => $password,
                "password2" => $password,
                "email1" => $this->email,
                "email2" => $this->email
            )
        );

        if ($userId == 0)
        {
            $db = JFactory::getDbo();
            $query = $db->getQuery(true);
            $query->select('`id`')
                ->from('`#__users`')
                ->where('`username` = '.$db->quote($username))
                ->where('`email` = '.$db->quote($this->email))
            ;
            $userId	= (int)$db->setQuery($query,0,1)->loadResult();
        }

        if ($userId == 0)
        {
            return false;
        }

        $this->storeSloginUser($userId, $this->slogin_id, $this->provider);

        //вставка нового пользователя в таблицы других компонентов
        JPluginHelper::importPlugin('slogin_integration');
        $dispatcher = JDispatcher::getInstance();
        $dispatcher->trigger('onAfterSloginStoreUser',array(JFactory::getUser($userId), $this->provider, $this->rawRequest));

        return $userId;
    }

    protected function setUserActivation($value=0)
    {
        $params = JComponentHelper::getParams('com_users');
        // устанавливаем требуемое значение
        $params->set('useractivation', $value);
        // записываем измененные параметры в БД
//        $db = JFactory::getDbo();
//        $query = $db->getQuery(true);
//        $query->update($db->quoteName('#__extensions'));
//        $query->set($db->quoteName('params') . '= ' . $db->quote((string)$params));
//        $query->where($db->quoteName('element') . ' = ' . $db->quote('com_users'));
//        $query->where($db->quoteName('type') . ' = ' . $db->quote('component'));
//        $db->setQuery($query)->execute();
    }

    /**
     * Метод для авторизцаии пользователя
     * @param int $id    ID пользователя в Joomla
     */
    protected function loginUser($id, $provider, $info=array())
    {
        $user = JUser::getInstance($id);
        $app = JFactory::getApplication();

        JPluginHelper::importPlugin('slogin_integration');
        $dispatcher = JDispatcher::getInstance();
        $dispatcher->trigger('onBeforeSloginLoginUser',array($user, $provider, $info));

        $password = SloginPasswordHelper::generatePassword($this->slogin_id, $this->provider, $this->config->get('secret',''));

        $credentials = array(
            'username' => $user->get('username'),
            'password' => $password
        );

        $options = array(
            'silent' => false,
            'remember' => $this->config->get('remember_user',1)
        );

        $return = $app->login($credentials, $options);

        if (!$return)
        {
            return false;
        }

        $dispatcher->trigger('onAfterSloginLoginUser',array($user, $provider, $info));

        return true;
    }

    /**
     * Метод для отображения специального редиректа, с закрытием окна
     */
    public function displayRedirect($redirect='/', $popup=false, $msg = '', $msgType = 'message')
    {
        if($popup){
            $app = JFactory::getApplication();
            $app->setUserState('com_slogin.msg', $msg);
            $app->setUserState('com_slogin.msgType', $msgType);
            $session = JFactory::getSession();
            $redirect = base64_encode($redirect);
            $session->set('slogin_return', $redirect);
            $view = $this->getView('Redirect', 'html');
            $view->display();
            exit;
        }
        else{
            $app = JFactory::getApplication();
            $app->redirect(JRoute::_($redirect), $msg, $msgType);
        }
    }

    /**
     * Метод для установки ошибки
     * @param string $error    ошибка
     */
    public function setError($error, $popup=true)
    {
        $session = JFactory::getSession();
        $session->set('slogin_errors', $error);
        $this->displayRedirect('/', $popup, $error, 'error');
        return false;
    }

    /**
     * Специальный редирект, берет сообщения из сессии
     * @return boolean
     */
    public function sredirect()
    {
        $session = JFactory::getSession();
        $app = JFactory::getApplication();

        $redirect = JRoute::_(base64_decode($session->get('slogin_return', '')), false);
        $session->clear('slogin_return');
        if ($error = $session->get('slogin_errors', null)) {
            $session->clear('slogin_errors');
            $app->redirect($redirect, $error, 'error');
            return false;
        } else {
            $app->redirect($redirect);
            return false;
        }
    }

    // проверить, не зарегистрирован ли уже пользователь с таким email
    public function CheckEmail($email)
    {
        // Initialise some variables
        $db = JFactory::getDbo();
        $query = $db->getQuery(true);
        $query->select($db->quoteName('id'));
        $query->from($db->quoteName('#__users'));
        $query->where($db->quoteName('email') . ' = ' . $db->quote($email));
        $db->setQuery($query, 0, 1);
        $userId = $db->loadResult();

        if (!$userId)
        {
            return false;
        }
        else
        {
            return $userId;
        }
    }

    // проверить, не зарегистрирован ли уже пользователь с таким email
    public function GetUserId()
    {
        $db = JFactory::getDbo();
        $query = $db->getQuery(true);
        $query->select($db->quoteName('user_id'));
        $query->from($db->quoteName('#__slogin_users'));
        $query->where($db->quoteName('slogin_id') . ' = ' . $db->quote($this->slogin_id));
        $query->where($db->quoteName('provider') . ' = ' . $db->quote($this->provider));
        $db->setQuery($query, 0, 1);
        $userId = $db->loadResult();

        if ($userId)
        { //проверить не удален ли пользователь из основной таблицы пользователей
            $query = $db->getQuery(true);
            $query->select($db->quoteName('id'));
            $query->from($db->quoteName('#__users'));
            $query->where($db->quoteName('id') . ' = ' . $db->quote($userId));
            $db->setQuery($query, 0, 1);
            $result = $db->loadResult();

            if (!$result)
            {
                $query = $db->getQuery(true);
                $query->delete('#__slogin_users');
                $query->where('`user_id` = ' . $db->quote($userId));
                $db->setQuery($query);
                $db->execute();
                
                return false;
            }
        } 
        else 
        {
            return false;
        }
        
        return $userId;
    }

    public function GetSloginStringId($slogin_id, $user_id, $provider)
    {
        // Initialise some variables
        $db = JFactory::getDbo();
        $query = $db->getQuery(true);
        $query->select($db->quoteName('id'));
        $query->from($db->quoteName('#__slogin_users'));
        $query->where($db->quoteName('user_id') . ' = ' . $db->quote($user_id));
        $query->where($db->quoteName('slogin_id') . ' = ' . $db->quote($slogin_id));
        $query->where($db->quoteName('provider') . ' = ' . $db->quote($provider));
        $db->setQuery($query, 0, 1);
        $userId = $db->loadResult();
        return $userId;
    }

    /**
     * Привязка логина к существующему пользователю если совпал емайл
     */
    public function join_mail()
    {
        // Check for request forgeries.
        JSession::checkToken() or jexit(JText::_('JINVALID_TOKEN'));

        $input = new JInput;

        $app = JFactory::getApplication();
        $appRedirect = $app->getUserState('com_slogin.return_url');
        $UserState = $app->getUserState('com_slogin.comparison_user.data');

        $msg = '';
        $user_id = $input->Get('user_id', 0, 'INT');
        $slogin_id = $input->Get('slogin_id', '', 'STRING');
        $provider = $input->Get('provider', '', 'STRING');

        // Populate the data array:
        $data = array();
        $return = base64_decode($appRedirect);
        $data['username'] = $input->Get('username', '', 'username');
        $data['password'] = $input->Get('password', '', JREQUEST_ALLOWRAW);

        // Get the log in options.
        $options = array();
        $options['remember'] = $input->Get('remember', false);
        $options['return'] = $return;

        // Get the log in credentials.
        $credentials = array();
        $credentials['username'] = $data['username'];
        $credentials['password'] = $data['password'];

        // Perform the log in.
        // Check if the log in succeeded.
        if (true === $app->login($credentials, $options)) {

            $app->setUserState('com_slogin.return_url', $appRedirect);
            $app->setUserState('com_slogin.comparison_user.data', $UserState);

            $joomlaUserId = JFactory::getUser()->id;

            //удаляем ненужного пользователя
            if($user_id != $joomlaUserId){

                //запрашиваем есть-ли у пользователя другие провайдеры
                $db = JFactory::getDbo();
                $query = $db->getQuery(true);
                $query->select('COUNT(*)');
                $query->from($db->quoteName('#__slogin_users'));
                $query->where($db->quoteName('user_id') . ' = ' . $db->quote($joomlaUserId));
                $query->where($db->quoteName('provider') . ' != ' . $db->quote($provider));
                $db->setQuery($query);
                $count = (int)$db->loadResult();

                //если других провайдеров нет, то удаляем пользователя
                if($count == 0){
                    $user_object = new JUser;
                    $user_object->id = $user_id;
                    $user_object->delete();
                }
            }
            //удаляем старую строку пользователя
            $this->deleteSloginUser($slogin_id, $provider);
            //вносим данные в #__slogin_user
            $store = $this->storeSloginUser($joomlaUserId, $slogin_id, $provider);

            if(!$store){
                $msg = JText::_('ERROR_JOIN_MAIL');
            }

            $app->redirect(JRoute::_($return, false), $msg);
        }
        else
        {
            $app->setUserState('com_slogin.comparison_user.data', $UserState);
            $app->redirect(JRoute::_('index.php?option=com_slogin&view=linking_user', false));
        }
    }

    public function recallpass(){
        $app	= JFactory::getApplication();
        $app->logout();
        $app->redirect(JRoute::_('index.php?option=com_users&view=reset'));
    }

    private function storeSloginUser($user_id, $slogin_id, $provider){
        if(empty($user_id) || empty($slogin_id) || empty($provider)){
            return false;
        }
        JTable::addIncludePath(JPATH_COMPONENT . '/tables');
        $SloginUser = &JTable::getInstance('slogin_users', 'SloginTable');
        $SloginUser->user_id = $user_id;
        $SloginUser->slogin_id = $slogin_id;
        $SloginUser->provider = $provider;
        $result = $SloginUser->store();
        return $result;
    }

    //проверка майла после ручного заполнения пользователем
    public function check_mail()
    {
        // Check for request forgeries.
        JSession::checkToken() or jexit(JText::_('JINVALID_TOKEN'));
        $app = JFactory::getApplication();
        $input = new JInput;

        $data =         $app->getUserState('com_slogin.provider.data');
        $slogin_id =    $data['slogin_id'];
        $provider =     $data['provider'];
        $email =        $input->getString('email', '');
        $name =         $input->getString('name', '');
        $username =     $input->getString('username', '');

        require_once JPATH_SITE.'/components/com_slogin/controllers/validate.php';

        $validator = new SLoginControllerValidate();

        //валидация
        if(!$validator->validateEmail($email)){
            $msg  = JText::_('The Login Provider you selected does not release your mail address. Please fill the form so you can complete  the registration process.');
            $this->displayRedirect('index.php?option=com_slogin&view=mail', false, $msg,'error');
      
        }
        else if(!$validator->checkUniqueEmail($email)){
            $msg = JText::_('COM_SLOGIN_ERROR_NOT_UNIQUE_MAIL');
            if($this->config->get('collate_users', 0) == 1)
            {
                $data = array(
                    'email' => $email,
                    'id' => $this->getUserIdByMail($email),
                    'provider' => $provider,
                    'slogin_id' => $slogin_id,
                );
                $app->setUserState('com_slogin.comparison_user.data', $data);
                $this->displayRedirect('index.php?option=com_slogin&view=comparison_user', false, $msg, 'error');
           
           
            }
            else
            {
             $this->displayRedirect('index.php?option=com_slogin&view=mail', false, $msg, 'error');
           
          
         // echo "User already exists";
          
            }
        }
        else if(!$validator->validateName($name)){
            $msg = JText::_('COM_SLOGIN_ERROR_VALIATE_NAME');
            $this->displayRedirect('index.php?option=com_slogin&view=mail', false, $msg, 'error');
        }
        else if(!$validator->validateUserName($username)){
            $msg = JText::_('COM_SLOGIN_ERROR_VALIATE_USERNAME');
            $this->displayRedirect('index.php?option=com_slogin&view=mail', false, $msg, 'error');
        }
        else{
            $this->username = $username;
            $this->realName = $name;
            $this->first_name   = $data['first_name'];
            $this->last_name    = $data['last_name'];
            $this->email        = $email;
            $this->slogin_id    = $slogin_id;
            $this->provider     = $provider;
            $this->rawRequest   = $app->getUserState('com_slogin.provider.info');
            $this->network      = !empty($this->rawRequest->network) ? $this->rawRequest->network : '';

            $app->setUserState('com_slogin.reg_fields_edited', 1);

            $this->storeOrLogin(false);
        }
    }

    protected function storeOrLogin($popup=false)
    {
        //проверка на пустую запись ида пользователя
        if(empty($this->slogin_id)){
            echo '<p>Provider return empty user code.</p>';
            die;
        }

        require_once JPATH_SITE.'/components/com_slogin/controllers/validate.php';

        $validator = new SLoginControllerValidate();

        $msg = $msgType = '';

        $app = JFactory::getApplication();

        $app->setUserState('com_slogin.provider.info', $this->rawRequest);

        //если разрешено слияние - сливаем
        if($app->getUserState('com_slogin.action.data') == 'fusion'){
            $this->fusion($this->slogin_id, $this->provider, $popup);
        }

        //проверяем существует ли пользователь с таким уидом и провайдером
        $sloginUserId = $this->GetUserId();

        //Переадресация пользователя из модуля
        $appReturn = $app->getUserState('com_slogin.return_url');
        $return = base64_decode($appReturn);
        //если такого пользователя нет, то создаем
        if (!$sloginUserId){
            //если разрешено редактирование данных пользователем
            $reg_fields_edited = $app->getUserState('com_slogin.reg_fields_edited', 0);
            if($this->config->get('enable_edit_reg_fields', 0) && !$reg_fields_edited){
                $this->queryEmail($popup);
                $msg  = JText::_('COM_SLOGIN_EDIT_REG_FIELDS');
                $this->displayRedirect('index.php?option=com_slogin&view=mail', $popup, $msg);
            }

            //проверка пустого мыла
            if($this->config->get('query_email', 0)==1)
            {
                $this->queryEmail($popup);
                //маленькая валидация

                if(!$validator->validateEmail($this->email)){
                    $msg  = JText::_('COM_SLOGIN_ERROR_VALIDATE_MAIL');
                    $this->displayRedirect('index.php?option=com_slogin&view=mail', $popup, $msg, 'error');
                }
                else if(!$validator->checkUniqueEmail($this->email)){
                    $msg = JText::_('COM_SLOGIN_ERROR_NOT_UNIQUE_MAIL');
                    if($this->config->get('collate_users', 0) == 1)
                    {
                        $data = array(
                            'email' => $this->email,
                            'id' => $this->getUserIdByMail($this->email),
                            'provider' => $this->provider,
                            'slogin_id' => $this->slogin_id,
                        );
                        $app->setUserState('com_slogin.comparison_user.data', $data);
                     
                      
                     $this->displayRedirect('index.php?option=com_slogin&view=comparison_user', $popup, $msg, 'error');
                    
                    
                    }
                    else
                    {
                        $this->displayRedirect('index.php?option=com_slogin&view=mail', $popup, $msg, 'error');
                    }
                }
            }
            else if(empty($this->email)){
                $this->email = (strpos($this->provider, '.') === false) ? $this->slogin_id.'@'.$this->provider.'.com' : $this->slogin_id.'@'.$this->provider;
            }

            //проверка свободности мыла
            $freeEmail = $this->getFreeMail($this->email);

            //если мыло занято
            if($freeEmail != $this->email){
                //если в настройках установлено подтверждать права на почту и почта есть в базе пользователей
                if($this->config->get('collate_users', 0) == 1){
                    $data = array(
                        'email' => $this->email,
                        'id' => $this->getUserIdByMail($this->email),
                        'provider' => $this->provider,
                        'slogin_id' => $this->slogin_id,
                    );
                    $app->setUserState('com_slogin.comparison_user.data', $data);
                    $return = 'index.php?option=com_slogin&view=comparison_user';
                    $msg = JText::_('COM_SLOGIN_MAIL_NOT_FREE');
                    $this->displayRedirect($return, $popup, $msg);
                }
                else{
                    $this->email = $freeEmail;
                }
            }

            //логин пользователя
            if(empty($this->username))
                $this->username = $this->setUserUserName();

            //имя пользователя
            if(empty($this->realName))
                $this->realName = $this->setUserName();

            //записываем пользователя в таблицу джумлы и компонента
            $joomlaUserId = $this->storeUser();

            if($joomlaUserId > 0)
            {
                $data = array(
                    'email' => $this->email,
                    'id' => $joomlaUserId,
                    'provider' => $this->provider,
                    'slogin_id' => $this->slogin_id,
                );
                $app->setUserState('com_slogin.comparison_user.data', $data);

                $model = parent::getModel('Linking_user', 'SloginModel');

                if($app->getUserState('com_slogin.after_reg_redirect'))
                {
                    $return = base64_decode($app->getUserState('com_slogin.after_reg_redirect'));
                }
                else
                {
                    $return = base64_decode($model->getReturnURL($this->config, 'after_reg_redirect'));
                }


                //логинимся если ид пользователя верный
                $this->loginUser($joomlaUserId, $this->provider, $this->rawRequest);

                $app->setUserState('com_slogin.return_url', $appReturn);
            }
        }
        else {   //или логинимся
            $this->loginUser($sloginUserId, $this->provider, $this->rawRequest);
        }
        $this->displayRedirect($return, $popup, $msg);
    }

    /**  Слияние пользователей
     * @param null $slogin_id - ид выдаваемый провайдером
     * @param null $provider  - провайдер
     */
    protected function fusion($slogin_id= null, $provider= null, $popup=false)
    {
        $app = JFactory::getApplication();
        $app->setUserState('com_slogin.action.data', '');

        //ид текущего пользователя
        $user_id = JFactory::getUser()->id;

        if((int)$user_id == 0 || !$slogin_id || !$provider){
            return;
        }

        //удаляем старые записи пользователя из #__slogin_users
        $this->deleteSloginUser($slogin_id, $provider);

        //добавляем новую запись пользователя в #__slogin_users
        $store = $this->storeSloginUser($user_id, $slogin_id, $provider);

        $link = 'index.php?option=com_slogin&view=fusion';

        $this->displayRedirect($link, $popup);
    }

    public function detach_provider()
    {
        $input = new JInput;
        $provider = $input->Get('plugin', '', 'STRING');
        //ид текущего пользователя
        $user_id = JFactory::getUser()->id;

        $link = 'index.php?option=com_slogin&view=fusion';

        if((int)$user_id == 0 ){
            $this->displayRedirect($link);
        }

        $db = JFactory::getDbo();
        $query = $db->getQuery(true);
        $query->select($db->quoteName('slogin_id'));
        $query->from($db->quoteName('#__slogin_users'));
        $query->where($db->quoteName('user_id') . ' = ' . $db->quote($user_id));
        $query->where($db->quoteName('provider') . ' = ' . $db->quote($provider));
        $db->setQuery($query, 0, 1);
        $slogin_id = $db->loadResult();

        $this->deleteSloginUser($slogin_id, $provider);

        $this->displayRedirect($link);
    }

    public function transliterate($str){

        $trans = array("а"=>"a","б"=>"b","в"=>"v","г"=>"g","д"=>"d","е"=>"e",
            "ё"=>"yo","ж"=>"j","з"=>"z","и"=>"i","й"=>"i","к"=>"k","л"=>"l",
            "м"=>"m","н"=>"n","о"=>"o","п"=>"p","р"=>"r","с"=>"s","т"=>"t",
            "у"=>"u","ф"=>"f","х"=>"h","ц"=>"c","ч"=>"ch", "ш"=>"sh","щ"=>"shh",
            "ы"=>"i","э"=>"e","ю"=>"u","я"=>"ya","ї"=>"i","'"=>"","ь"=>"","Ь"=>"",
            "ъ"=>"","Ъ"=>"","і"=>"i","А"=>"A","Б"=>"B","В"=>"V","Г"=>"G","Д"=>"D",
            "Е"=>"E", "Ё"=>"Yo","Ж"=>"J","З"=>"Z","И"=>"I","Й"=>"I","К"=>"K", "Л"=>"L",
            "М"=>"M","Н"=>"N","О"=>"O","П"=>"P", "Р"=>"R","С"=>"S","Т"=>"T","У"=>"U",
            "Ф"=>"F", "Х"=>"H","Ц"=>"C","Ч"=>"Ch","Ш"=>"Sh","Щ"=>"Sh", "Ы"=>"I","Э"=>"E",
            "Ю"=>"U","Я"=>"Ya","Ї"=>"I","І"=>"I","_"=>"-");

        $res=str_replace(" ","-",strtr($str,$trans));

        //если надо, вырезаем все кроме латинских букв, цифр и дефиса (например для формирования логина)
        $res=preg_replace("|[^a-zA-Z0-9-]|","",$res);

        return $res;
    }

    protected function localAuthDebug($redirect){
        if($this->config->get('local_debug', 0) == 1){
            $app = JFactory::getApplication();
            $app->redirect(JRoute::_($redirect));
        }
    }

    protected function localCheckDebug($provider){
        if($this->config->get('local_debug', 0) == 1){
            $slogin_id =  '12345678910';
            $this->realName     = 'Вася Пупкин';
            //$this->username     = !empty($request->real_name) ? $request->real_name : '';
            $this->first_name   = 'Вася';
            $this->last_name    = 'Пупкин';
            $this->email        = '';
            $this->slogin_id    = '12345678910';
            $this->provider     = $provider;
            $this->rawRequest   = new stdClass();
            $this->network      = '';
            $this->storeOrLogin(true);
        }
    }

    protected function queryEmail($popup=false)
    {
        $app	= JFactory::getApplication();
        $data = array(
            'first_name' => $this->first_name,
            'last_name' => $this->last_name,
            'email' => $this->email,
            'slogin_id' => $this->slogin_id,
            'provider' => $this->provider
        );
        $app->setUserState('com_slogin.provider.data', $data);
    }

    private function getFreeMail($email){
        $db = JFactory::getDbo();
        $query = $db->getQuery(true);
        $umail = $email;
        $parts = explode('@', $email);

        $i = 0;
        while($umail){
            $mail = ($i == 0) ? $email : $parts[0].'-'.$i.'@'.$parts[1];

            $query->clear();
            $query->select($db->quoteName('email'));
            $query->from($db->quoteName('#__users'));
            $query->where($db->quoteName('email') . ' = ' . $db->quote($mail));
            $db->setQuery($query, 0, 1);
            $umail = $db->loadResult();

            $i++;
        }
        return $mail;
    }

    private function getUserIdByMail($mail){
        $db = JFactory::getDbo();
        $query = $db->getQuery(true);
        $query->select($db->quoteName('id'));
        $query->from($db->quoteName('#__users'));
        $query->where($db->quoteName('email') . ' = ' . $db->quote($mail));
        $db->setQuery($query, 0, 1);
        $id = $db->loadResult();
        return $id;
    }

    public function load_module_ajax(){

        //подключаем helper стандартного модуля авторизации, для ридеректа
        require_once JPATH_BASE.'/modules/mod_login/helper.php';
		require_once JPATH_BASE.'/modules/mod_slogin/helper.php';
		
        $user = JFactory::getUser();
        $doc = JFactory::getDocument();
        $input = new JInput;

        $params = new JRegistry;
        $params->loadString(JModuleHelper::getModule('mod_slogin')->params);

        JFactory::getLanguage()->load('mod_slogin');

        $type	= modLoginHelper::getType();

        $callbackUrl = '';
        $moduleclass_sfx = htmlspecialchars($params->get('moduleclass_sfx'));

        $plugins = array();
        JPluginHelper::importPlugin('slogin_auth');
        $dispatcher	= JDispatcher::getInstance();
        $dispatcher->trigger('onCreateSloginLink', array(&$plugins, $callbackUrl));

        $jll = (!modSLoginHelper::getalw($params))
            ? '<div style="text-align: right;">'.JText::_('MOD_SLOGIN_LINK').'</div>'
            : '';

        $profileLink = $avatar = '';
        if(JPluginHelper::isEnabled('slogin_integration', 'profile') && $user->id > 0){
            require_once JPATH_BASE.'/plugins/slogin_integration/profile/helper.php';
            $profile = plgProfileHelper::getProfile($user->id);
            $avatar = isset($profile->avatar) ? $profile->avatar : '';
            $profileLink = isset($profile->social_profile_link) ? $profile->social_profile_link : '';
        }
        else if(JPluginHelper::isEnabled('slogin_integration', 'slogin_avatar') && $user->id > 0){
            require_once JPATH_BASE.'/plugins/slogin_integration/slogin_avatar/helper.php';
            $path = Slogin_avatarHelper::getavatar($user->id);
            if(!empty($path['photo_src'])){
                $avatar = $path['photo_src'];
                if(JString::strpos($avatar, '/') !== 0)
                    $avatar = '/'.$avatar;
            }
            $profileLink = isset($path['profile']) ? $path['profile'] : '';
        }

        require JModuleHelper::getLayoutPath('mod_slogin', $params->get('layout', 'default'));
        die;
    }
}

class SloginRequest {
    public $first_name = '';
    public $last_name = '';
    public $email = '';
    public $id = 0;
    public $real_name = '';
    public $sex = '';
    public $display_name = '';
    public $birthday = '';
  // public $orcid= '';
    //public $eduid= '';
    public $avatar = '';
    public $all_request = null;
}