1 files changed, 93 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..495b58e6a4b
--- /dev/null
+++ b/apps/settings/lib/Controller/WebAuthnController.php
@@ -0,0 +1,93 @@
+<?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([]);
+	}
+}