Start with webauthn

Signed-off-by: Roeland Jago Douma <roeland@famdouma.nl>
Signed-off-by: npmbuildbot[bot] <npmbuildbot[bot]@users.noreply.github.com>

1 files changed, 114 insertions, 0 deletions

diff --git a/apps/settings/lib/Controller/WebAuthnController.php b/apps/settings/lib/Controller/WebAuthnController.php
new file mode 100644
index 00000000000..e9b45105a81
--- /dev/null
+++ b/apps/settings/lib/Controller/WebAuthnController.php
@@ -0,0 +1,114 @@
+<?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([]);
+	}
+}