f91c1ae8
 Dmitryi
new commit compon...
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<?php
/**
* OpenID Service class file.
*
* @author Maxim Zemskov <nodge@yandex.ru>
* @link http://github.com/Nodge/yii2-eauth/
* @license http://www.opensource.org/licenses/bsd-license.php
*/
namespace nodge\eauth\openid;
use \Yii;
use \LightOpenID;
use yii\web\HttpException;
use nodge\eauth\ServiceBase;
use nodge\eauth\IAuthService;
use nodge\eauth\ErrorException;
/**
* EOpenIDService is a base class for all OpenID providers.
*
* @package application.extensions.eauth
*/
abstract class Service extends ServiceBase implements IAuthService
{
/**
* @var string a pattern that represents the part of URL-space for which an OpenID Authentication request is valid.
* See the spec for more info: http://openid.net/specs/openid-authentication-2_0.html#realms
* Note: a pattern can be without http(s):// part
*/
public $realm;
/**
* @var LightOpenID the openid library instance.
*/
private $auth;
/**
* @var string the OpenID authorization url.
*/
protected $url;
/**
* @var array the OpenID required attributes.
*/
protected $requiredAttributes = [];
/**
* @var array the OpenID optional attributes.
*/
protected $optionalAttributes = [];
/**
* Initialize the component.
*/
public function init()
{
parent::init();
$this->auth = new LightOpenID(Yii::$app->getRequest()->getHostInfo());
}
/**
* Authenticate the user.
*
* @return boolean whether user was successfuly authenticated.
* @throws ErrorException
* @throws HttpException
*/
public function authenticate()
{
if (!empty($_REQUEST['openid_mode'])) {
switch ($_REQUEST['openid_mode']) {
case 'id_res':
$this->id_res();
return true;
break;
case 'cancel':
$this->cancel();
break;
default:
throw new HttpException(400, Yii::t('yii', 'Your request is invalid.'));
break;
}
} else {
$this->request();
}
return false;
}
/**
* @throws ErrorException
*/
protected function id_res()
{
try {
if ($this->auth->validate()) {
$this->attributes['id'] = $this->auth->identity;
$this->loadRequiredAttributes();
$this->loadOptionalAttributes();
$this->authenticated = true;
} else {
throw new ErrorException(Yii::t('eauth', 'Unable to complete the authentication because the required data was not received.', ['provider' => $this->getServiceTitle()]));
}
} catch (\Exception $e) {
throw new ErrorException($e->getMessage(), $e->getCode());
}
}
/**
* @throws ErrorException
*/
protected function loadOptionalAttributes()
{
$attributes = $this->auth->getAttributes();
foreach ($this->optionalAttributes as $key => $attr) {
if (isset($attributes[$attr[1]])) {
$this->attributes[$key] = $attributes[$attr[1]];
}
}
}
/**
*
*/
protected function loadRequiredAttributes()
{
$attributes = $this->auth->getAttributes();
foreach ($this->requiredAttributes as $key => $attr) {
if (isset($attributes[$attr[1]])) {
$this->attributes[$key] = $attributes[$attr[1]];
} else {
throw new ErrorException(Yii::t('eauth', 'Unable to complete the authentication because the required data was not received.', ['provider' => $this->getServiceTitle()]));
}
}
}
/**
* @throws ErrorException
*/
protected function request()
{
$this->auth->identity = $this->url; //Setting identifier
$this->auth->required = []; //Try to get info from openid provider
foreach ($this->requiredAttributes as $attribute) {
$this->auth->required[$attribute[0]] = $attribute[1];
}
foreach ($this->optionalAttributes as $attribute) {
$this->auth->required[$attribute[0]] = $attribute[1];
}
$this->auth->realm = $this->getRealm();
$this->auth->returnUrl = Yii::$app->getRequest()->getHostInfo() . Yii::$app->getRequest()->getUrl(); //getting return URL
try {
$url = $this->auth->authUrl();
Yii::$app->getResponse()->redirect($url)->send();
} catch (\Exception $e) {
throw new ErrorException($e->getMessage(), $e->getCode());
}
}
/**
* @return string
*/
protected function getRealm()
{
if (isset($this->realm)) {
if (!preg_match('#^[a-z]+\://#', $this->realm)) {
return 'http' . (Yii::$app->getRequest()->getIsSecureConnection() ? 's' : '') . '://' . $this->realm;
} else {
return $this->realm;
}
} else {
return Yii::$app->getRequest()->getHostInfo();
}
}
}
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