function __construct(modX &$modx,array $config = array()) {

$this->modx =& $modx;

$corePath = $this->modx->getOption('loginza.core_path',$config,$this->modx->getOption('core_path').'components/loginza/');

$this->config = array_merge(array(

'corePath' => $corePath

,'modelPath' => $corePath.'model/'

,'chunksPath' => $corePath.'elements/chunks/'

,'snippetsPath' => $corePath.'elements/snippets/'

,'processorsPath' => $corePath.'processors/'

,'rememberme' => true

,'loginTpl' => 'tpl.Loginza.login'

,'logoutTpl' => 'tpl.Loginza.logout'

,'profileTpl' => 'tpl.Loginza.profile'

,'saltName' => ''

,'saltPass' => ''

,'groups' => ''

,'loginContext' => ''

,'addContexts' => ''

,'updateProfile' => true

,'profileFields' => 'username,email,fullname,phone,mobilephone,dob,gender,address,country,city,state,zip,fax,photo,comment,website'

,'requiredFields' => 'username,email,fullname'

,'loginResourceId' => null

,'logoutResourceId' => null

),$config);

}

function Login() {

if (strpos($_SERVER['HTTP_REFERER'], 'loginza') == false) {

$this->modx->log(modX::LOG_LEVEL_ERROR, 'Loginza: invalid http referer');

return $this->Refresh();

}

if (empty($_POST['token'])) {

$this->modx->log(modX::LOG_LEVEL_ERROR, 'Loginza: invalid token');

return $this->Refresh();

}

$url = 'http://loginza.ru/api/authinfo?token='.$_POST['token'];

if (function_exists('curl_init')) {

$curl = curl_init($url);

curl_setopt($curl, CURLOPT_RETURNTRANSFER, true);

curl_setopt($curl, CURLOPT_HEADER, false);

curl_setopt($curl, CURLOPT_USERAGENT, 'Loginza for MODX Revolution');

curl_setopt($curl, CURLOPT_SSL_VERIFYPEER, false);

$opt = curl_exec($curl);

curl_close($curl);

} else {

$opt = file_get_contents($url);

}

$arr = json_decode($opt, true);

if (empty($arr['identity'])) {

$this->modx->log(modX::LOG_LEVEL_ERROR, 'Loginza: received broken user array');

return $this->Refresh();

}

$identity = $arr['identity'];

$userkey = md5($arr['identity'].$this->config['saltName']);

$password = md5($arr['identity'].$this->config['saltPass']);;

$username = $this->Sanitize($arr['nickname']);

if (empty($username)) {

$username = $userkey;

}

$fullname = $arr['name']['full_name'];

if (empty($fullname)) {

$fullname = $arr['name']['first_name'].' '.$arr['name']['last_name'];

}

$provider = $arr['provider'];

$email = $arr['email'];

$g = $arr['gender'];

if ($g == 'M') {$gender = 1;}

else if ($g == 'F') {$gender = 2;}

else {$gender = 0;}

if (!empty($arr['dob'])) {

list($y,$m,$d) = explode('-',$arr['dob']);

$dob = @mktime(0,0,0, $m,$d,$y);

}

else {$dob = 0;}

$photo = $arr['photo'];

// Меняем расположение ключа для юзеров версии 1.1.*

if ($user = $this->modx->getObject('modUser', array('username' => $userkey, 'remote_key' => null))) {

$user->set('remote_key', $userkey);

$user->set('username', $username);

$user->save();

}

$newuser = 0;

// Если юзер заходит первый раз - создаем ему учетную запись

if (!$this->modx->getObject('modUser', array('remote_key' => $userkey))) {

$user = $this->modx->newObject('modUser', array('remote_key' => $userkey, 'password' => $password));

// Проверяем занятость имени юзера

if ($exists = $this->modx->getCount('modUser', array('username' => $username))) {

$user->set('username', $username.($exists +1));

}

else {

$user->set('username', $username);

}

// Профиль юзера, мы его обновим чуть позже

$userProfile = $this->modx->newObject('modUserProfile');

$user->addOne($userProfile);

// Если указано - заносим в группы

if (!empty($this->config['groups'])) {

$groups = explode(',', $this->config['groups']);

$userGroups = array();

foreach ($groups as $group) {

$group = trim($group);

if ($tmp = $this->modx->getObject('modUserGroup', array('name' => $group))) {

$gid = $tmp->get('id');

$userGroup = $this->modx->newObject('modUserGroupMember');

$userGroup->set('user_group', $gid);

$userGroup->set('role', 1);

$userGroups[] = $userGroup;

}

}

$user->addMany($userGroups);

}

if (!$this->config['updateProfile']) {

$this->modx->invokeEvent('OnBeforeUserFormSave',array(

'mode' => modSystemEvent::MODE_NEW

,'id' => 0

,'user' => &$user

,'profile' => &$userProfile

));

}

$user->save();

if (!$this->config['updateProfile']) {

$this->modx->invokeEvent('OnUserFormSave',array(

'mode' => modSystemEvent::MODE_NEW

,'id' => $user->get('id')

,'user' => &$user

,'profile' => &$userProfile

));

}

$newuser = 1;

}

// Получаем юзера

$user = $this->modx->getObject('modUser', array('remote_key' => $userkey));

$username = $user->get('username');

// Обновляем профиль юзера, усли указано его обновлять, или он только что создан.

if ($this->config['updateProfile'] || $newuser) {

$profile = $user->getOne('Profile');

$profile->set('fullname', $this->Sanitize($fullname));

$profile->set('email', strip_tags($email));

$profile->set('dob', $dob);

$profile->set('gender', $gender);

$profile->set('website', strip_tags($provider));

$profile->set('comment', strip_tags($identity));

$profile->set('photo', $this->Sanitize($photo));

$this->modx->invokeEvent('OnBeforeUserFormSave',array(

'mode' => $newuser ? modSystemEvent::MODE_NEW : modSystemEvent::MODE_UPD

,'id' => $user->get('id')

,'user' => &$user

,'profile' => &$profile

));

$profile->save();

$this->modx->invokeEvent('OnUserFormSave',array(

'mode' => $newuser ? modSystemEvent::MODE_NEW : modSystemEvent::MODE_UPD

,'id' => $user->get('id')

,'user' => &$user

,'profile' => &$profile

));

}

$data = array(

'username' => $username,

'password' => $password,

'rememberme' => $this->config['rememberme']

);

if (!empty($this->config['loginContext'])) {$data['login_context'] = $this->config['loginContext'];}

if (!empty($this->config['addContexts'])) {$data['add_contexts'] = $this->config['addContexts'];}

// Логиним юзера

$response = $this->modx->runProcessor('/security/login', $data);

if ($response->isError()) {

$this->modx->log(modX::LOG_LEVEL_ERROR, 'Loginza: login error. Username: '.$username.', uid: '.$user->get('id').'. Message: '.$response->getMessage());

$_SESSION['loginza.error'] = $response->getMessage();

}

return $this->Refresh('login');

}

function Logout() {

$response = $this->modx->runProcessor('/security/logout');

if ($response->isError()) {

$this->modx->log(modX::LOG_LEVEL_ERROR, 'Loginza: logout error. Username: '.$this->modx->user->get('username').', uid: '.$this->modx->user->get('id').'. Message: '.$response->getMessage());

$_SESSION['loginza.error'] = $response->getMessage();

}

return $this->Refresh('logout');

}

function getProfile($data = array()) {

if (!$this->modx->user->isAuthenticated()) {

$id = $this->modx->getOption('unauthorized_page');

if ($id != $this->modx->resource->id) {

return $this->modx->sendForward($id);

}

else {

header('HTTP/1.0 401 Unauthorized');

return 'Loginza error: 401 Unauthorized';

}

}

$user = $profile = array();

if ($user = $this->modx->getObject('modUser', $this->modx->user->id)) {

$profile = $user->getOne('Profile')->toArray();

$user = $user->toArray();

}

$arr = array_merge($user, $profile, $data);

if (empty($data['success']) && !empty($_POST)) {

$tmp = array();

foreach ($_POST as $k => $v) {

$tmp[$k] = $this->Sanitize($v);

}

$arr = array_merge($arr, $tmp);

}

return $this->modx->getChunk($this->config['profileTpl'], $arr);

}

function updateProfile() {

if (!$this->modx->user->isAuthenticated()) {

return $this->Refresh();

}

$data = $errors = array();

$profileFields = explode(',', $this->config['profileFields']);

foreach ($profileFields as $field) {

if (!empty($_POST[$field])) {$data[$field] = $this->Sanitize($_POST[$field]);}

}

$data['requiredFields'] = explode(',', $this->config['requiredFields']);

$response = $this->runProcessor('web/user/update', $data);

if ($response->isError()) {

foreach ($response->errors as $error) {

$errors['error.'.$error->field] = $error->message;

}

$errors['success'] = 0;

}

else {$errors['success'] = 1;}

return $this->getProfile($errors);

}

function loadTpl($arr = array()) {

$url = MODX_SITE_URL . substr($_SERVER['REQUEST_URI'], 1);

if ($pos = strpos($url,'?')) {

$url .= '&action=';

}

else {

$url .= '?action=';

}

$error = '';

if (!empty($_SESSION['loginza.error'])) {

$error = $_SESSION['loginza.error'];

unset($_SESSION['loginza.error']);

}

if ($this->modx->user->isAuthenticated()) {

$user = $this->modx->user->toArray();

$profile = $this->modx->user->getOne('Profile')->toArray();

$arr = array_merge($user,$profile);

$arr['logout_url'] = $url.'logout';

$arr['error'] = $error;

return $this->modx->getChunk($this->config['logoutTpl'], $arr);

}

else {

$arr = array('login_url' => urlencode($url.'login'));

$arr['error'] = $error;

return $this->modx->getChunk($this->config['loginTpl'], $arr);

}

}

function Sanitize($string = '') {

$expr = '/[^-_a-zа-яё0-9@\s\.\,\:\/\\\]+/iu';

return preg_replace($expr, '', $string);

}

function runProcessor($processor = '', $data = array()) {

return $this->modx->runProcessor($processor, $data, array(

'processors_path' => $this->config['processorsPath']

)

);

}

function Refresh($action = null) {

if ($action == 'login' && $this->config['loginResourceId']) {

$url = $this->modx->makeUrl($this->config['loginResourceId'],'','','full');

}

else if ($action == 'logout' && $this->config['logoutResourceId']) {

$url = $this->modx->makeUrl($this->config['logoutResourceId'],'','','full');

}

else {

$url = MODX_SITE_URL . substr($_SERVER['REQUEST_URI'],1);

if ($pos = strpos($url, '?')) {

$arr = explode('&',substr($url, $pos+1));

$url = substr($url, 0, $pos);

if (count($arr) > 1) {

foreach ($arr as $k => $v) {

if (strtolower($v) == 'action=login' || strtolower($v) == 'action=logout') {

unset($arr[$k]);

}

}

if (!empty($arr)) {

$url = $url . '?' . implode('&', $arr);

}

}

}

}

$this->modx->sendRedirect($url);

}