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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 OCA\Settings\Controller;
use OC\Authentication\WebAuthn\Manager;
use OCA\Settings\AppInfo\Application;
use OCP\AppFramework\Controller;
use OCP\AppFramework\Http;
use OCP\AppFramework\Http\JSONResponse;
use OCP\ILogger;
use OCP\IRequest;
use OCP\ISession;
use OCP\IUserSession;
use Webauthn\PublicKeyCredentialCreationOptions;
class WebAuthnController extends Controller {
private const WEBAUTHN_REGISTRATION = 'webauthn_registration';
/** @var Manager */
private $manager;
/** @var IUserSession */
private $userSession;
/**
* @var ISession
*/
private $session;
/**
* @var ILogger
*/
private $logger;
public function __construct(IRequest $request, ILogger $logger, Manager $webAuthnManager, IUserSession $userSession, ISession $session) {
parent::__construct(Application::APP_ID, $request);
$this->manager = $webAuthnManager;
$this->userSession = $userSession;
$this->session = $session;
$this->logger = $logger;
}
/**
* @NoAdminRequired
* @PasswordConfirmationRequired
* @UseSession
* @NoCSRFRequired
*/
public function startRegistration(): JSONResponse {
$this->logger->debug('Starting WebAuthn registration');
$credentialOptions = $this->manager->startRegistration($this->userSession->getUser(), $this->request->getServerHost());
// Set this in the session since we need it on finish
$this->session->set(self::WEBAUTHN_REGISTRATION, $credentialOptions);
return new JSONResponse($credentialOptions);
}
/**
* @NoAdminRequired
* @PasswordConfirmationRequired
* @UseSession
*/
public function finishRegistration(string $name, string $data): JSONResponse {
$this->logger->debug('Finishing WebAuthn registration');
if (!$this->session->exists(self::WEBAUTHN_REGISTRATION)) {
$this->logger->debug('Trying to finish WebAuthn registration without session data');
return new JSONResponse([], Http::STATUS_BAD_REQUEST);
}
// Obtain the publicKeyCredentialOptions from when we started the registration
$publicKeyCredentialCreationOptions = PublicKeyCredentialCreationOptions::createFromArray($this->session->get(self::WEBAUTHN_REGISTRATION));
$this->session->remove(self::WEBAUTHN_REGISTRATION);
return new JSONResponse($this->manager->finishRegister($publicKeyCredentialCreationOptions, $name, $data));
}
/**
* @NoAdminRequired
* @PasswordConfirmationRequired
*/
public function deleteRegistration(int $id): JSONResponse {
$this->logger->debug('Finishing WebAuthn registration');
$this->manager->deleteRegistration($this->userSession->getUser(), $id);
return new JSONResponse([]);
}
}
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