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<?php
namespace Kanboard\Auth;
use Kanboard\Core\Base;
use Kanboard\Event\AuthEvent;
/**
* ReverseProxy backend
*
* @package auth
* @author Sylvain Veyrié
*/
class ReverseProxy extends Base
{
/**
* Backend name
*
* @var string
*/
const AUTH_NAME = 'ReverseProxy';
/**
* Get username from the reverse proxy
*
* @access public
* @return string
*/
public function getUsername()
{
return isset($_SERVER[REVERSE_PROXY_USER_HEADER]) ? $_SERVER[REVERSE_PROXY_USER_HEADER] : '';
}
/**
* Authenticate the user with the HTTP header
*
* @access public
* @return bool
*/
public function authenticate()
{
if (isset($_SERVER[REVERSE_PROXY_USER_HEADER])) {
$login = $_SERVER[REVERSE_PROXY_USER_HEADER];
$user = $this->user->getByUsername($login);
if (empty($user)) {
$this->createUser($login);
$user = $this->user->getByUsername($login);
}
$this->userSession->initialize($user);
$this->container['dispatcher']->dispatch('auth.success', new AuthEvent(self::AUTH_NAME, $user['id']));
return true;
}
return false;
}
/**
* Create automatically a new local user after the authentication
*
* @access private
* @param string $login Username
* @return bool
*/
private function createUser($login)
{
$email = strpos($login, '@') !== false ? $login : '';
if (REVERSE_PROXY_DEFAULT_DOMAIN !== '' && empty($email)) {
$email = $login.'@'.REVERSE_PROXY_DEFAULT_DOMAIN;
}
return $this->user->create(array(
'email' => $email,
'username' => $login,
'is_admin' => REVERSE_PROXY_DEFAULT_ADMIN === $login,
'is_ldap_user' => 1,
'disable_login_form' => 1,
));
}
}
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