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<?php
declare(strict_types=1);
/**
* @copyright Copyright (c) 2020, Roeland Jago Douma <roeland@famdouma.nl>
*
* @author Roeland Jago Douma <roeland@famdouma.nl>
*
* @license GNU AGPL version 3 or any later version
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as
* published by the Free Software Foundation, either version 3 of the
* License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
*/
namespace OC\Core\Controller;
use OC\Authentication\Login\LoginData;
use OC\Authentication\Login\WebAuthnChain;
use OC\Authentication\WebAuthn\Manager;
use OCP\AppFramework\Controller;
use OCP\AppFramework\Http;
use OCP\AppFramework\Http\JSONResponse;
use OCP\ILogger;
use OCP\IRequest;
use OCP\ISession;
use OCP\Util;
use Webauthn\PublicKeyCredentialRequestOptions;
class WebAuthnController extends Controller {
private const WEBAUTHN_LOGIN = 'webauthn_login';
private const WEBAUTHN_LOGIN_UID = 'webauthn_login_uid';
/** @var Manager */
private $webAuthnManger;
/** @var ISession */
private $session;
/** @var ILogger */
private $logger;
/** @var WebAuthnChain */
private $webAuthnChain;
public function __construct($appName, IRequest $request, Manager $webAuthnManger, ISession $session, ILogger $logger, WebAuthnChain $webAuthnChain) {
parent::__construct($appName, $request);
$this->webAuthnManger = $webAuthnManger;
$this->session = $session;
$this->logger = $logger;
$this->webAuthnChain = $webAuthnChain;
}
/**
* @NoAdminRequired
* @PublicPage
* @UseSession
*/
public function startAuthentication(string $loginName): JSONResponse {
$this->logger->debug('Starting WebAuthn login');
$this->logger->debug('Converting login name to UID');
$uid = $loginName;
Util::emitHook(
'\OCA\Files_Sharing\API\Server2Server',
'preLoginNameUsedAsUserName',
['uid' => &$uid]
);
$this->logger->debug('Got UID: ' . $uid);
$publicKeyCredentialRequestOptions = $this->webAuthnManger->startAuthentication($uid, $this->request->getServerHost());
$this->session->set(self::WEBAUTHN_LOGIN, json_encode($publicKeyCredentialRequestOptions));
$this->session->set(self::WEBAUTHN_LOGIN_UID, $uid);
return new JSONResponse($publicKeyCredentialRequestOptions);
}
/**
* @NoAdminRequired
* @PublicPage
* @UseSession
*/
public function finishAuthentication(string $data): JSONResponse {
$this->logger->debug('Validating WebAuthn login');
if (!$this->session->exists(self::WEBAUTHN_LOGIN) || !$this->session->exists(self::WEBAUTHN_LOGIN_UID)) {
$this->logger->debug('Trying to finish WebAuthn login without session data');
return new JSONResponse([], Http::STATUS_BAD_REQUEST);
}
// Obtain the publicKeyCredentialOptions from when we started the registration
$publicKeyCredentialRequestOptions = PublicKeyCredentialRequestOptions::createFromString($this->session->get(self::WEBAUTHN_LOGIN));
$uid = $this->session->get(self::WEBAUTHN_LOGIN_UID);
$this->webAuthnManger->finishAuthentication($publicKeyCredentialRequestOptions, $data, $uid);
//TODO: add other parameters
$loginData = new LoginData(
$this->request,
$uid,
''
);
$this->webAuthnChain->process($loginData);
return new JSONResponse([]);
}
}
|
