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<?php
declare(strict_types=1);
/**
* SPDX-FileCopyrightText: 2020 Nextcloud GmbH and Nextcloud contributors
* SPDX-License-Identifier: AGPL-3.0-or-later
*/
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\Attribute\NoAdminRequired;
use OCP\AppFramework\Http\Attribute\NoCSRFRequired;
use OCP\AppFramework\Http\Attribute\OpenAPI;
use OCP\AppFramework\Http\Attribute\PasswordConfirmationRequired;
use OCP\AppFramework\Http\Attribute\UseSession;
use OCP\AppFramework\Http\JSONResponse;
use OCP\IRequest;
use OCP\ISession;
use OCP\IUserSession;
use Psr\Log\LoggerInterface;
use Webauthn\PublicKeyCredentialCreationOptions;
#[OpenAPI(scope: OpenAPI::SCOPE_IGNORE)]
class WebAuthnController extends Controller {
private const WEBAUTHN_REGISTRATION = 'webauthn_registration';
public function __construct(
IRequest $request,
private LoggerInterface $logger,
private Manager $manager,
private IUserSession $userSession,
private ISession $session,
) {
parent::__construct(Application::APP_ID, $request);
}
/**
* @NoSubAdminRequired
*/
#[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);
}
/**
* @NoSubAdminRequired
*/
#[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));
}
/**
* @NoSubAdminRequired
*/
#[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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