/**
* this method is called through King23s routing,
* it is supposed to offer a list of OAuth2 Providers
* which the user can use to authenticate himself
* @param array $params
* returns string
*/
public function login(array $params)
{
$reg = \King23\Core\Registry::getInstance();
$state = \Kingboard\Lib\Form::getXSRFToken();
$list = array();
foreach ($reg->oAuth2ProviderList as $provider => $config) {
$class = $config['auth_class'];
$list[$provider] = \Kingboard\Lib\Auth\OAuth2\Consumer::getCodeRedirect($class::getCodeUrl(), $config["client_id"], $config["redirect_url"], $state, $class::getScope());
}
return $this->render("user/oauth.html", array("providerlist" => $list));
}
/**
* execute the login
* @static
* @param array $config this providers config array from the registry
* @return \Kingboard\Model\User
*/
public static function login($config, $fake)
{
if (isset($_GET['error'])) {
throw new \Exception("Could not login: "******"Error: could not access tokens");
}
$userinfo = json_decode(file_get_contents("https://graph.facebook.com/me?access_token=" . $tokens['access_token']));
if (is_null($userinfo)) {
throw new \Exception("Error: could not access userinfo");
}
$user = \Kingboard\Model\User::findOne(array("username" => $userinfo->email));
if (is_null($user)) {
$user = new \Kingboard\Model\User();
$user->username = $userinfo->email;
$user->save();
}
$_SESSION["Kingboard_Auth"] = array("User" => $user);
return $user;
}