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<?php
declare(strict_types = 1);
/**
* @author Christoph Wurst <christoph@winzerhof-wurst.at>
*
* Two-factor TOTP
*
* This code is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License, version 3,
* as published by the Free Software Foundation.
*
* 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, version 3,
* along with this program. If not, see <http://www.gnu.org/licenses/>
*
*/
namespace OCA\TwoFactorTOTP\Controller;
use InvalidArgumentException;
use OCA\TwoFactorTOTP\Service\ITotp;
use OCP\AppFramework\Http\JSONResponse;
use OCP\Authentication\TwoFactorAuth\ALoginSetupController;
use OCP\Defaults;
use OCP\IRequest;
use OCP\IUserSession;
use function is_null;
class SettingsController extends ALoginSetupController {
/** @var ITotp */
private $totp;
/** @var IUserSession */
private $userSession;
/** @var Defaults */
private $defaults;
public function __construct(string $appName, IRequest $request, IUserSession $userSession, ITotp $totp, Defaults $defaults) {
parent::__construct($appName, $request);
$this->userSession = $userSession;
$this->totp = $totp;
$this->defaults = $defaults;
}
/**
* @NoAdminRequired
* @return JSONResponse
*/
public function state(): JSONResponse {
$user = $this->userSession->getUser();
if (is_null($user)) {
throw new \Exception('user not available');
}
return new JSONResponse([
'state' => $this->totp->hasSecret($user) ? ITotp::STATE_ENABLED : ITotp::STATE_DISABLED,
]);
}
/**
* @NoAdminRequired
* @PasswordConfirmationRequired
*
* @param int $state
* @param string|null $code for verification
*/
public function enable(int $state, string $code = null): JSONResponse {
$user = $this->userSession->getUser();
if (is_null($user)) {
throw new \Exception('user not available');
}
switch ($state) {
case ITotp::STATE_DISABLED:
$this->totp->deleteSecret($user);
return new JSONResponse([
'state' => ITotp::STATE_DISABLED,
]);
case ITotp::STATE_CREATED:
$secret = $this->totp->createSecret($user);
$secretName = $this->getSecretName();
$issuer = $this->getSecretIssuer();
$qrUrl = "otpauth://totp/$secretName?secret=$secret&issuer=$issuer";
return new JSONResponse([
'state' => ITotp::STATE_CREATED,
'secret' => $secret,
'qrUrl' => $qrUrl,
]);
case ITotp::STATE_ENABLED:
$success = $this->totp->enable($user, $code);
return new JSONResponse([
'state' => $success ? ITotp::STATE_ENABLED : ITotp::STATE_CREATED,
]);
default:
throw new InvalidArgumentException('Invalid TOTP state');
}
}
/**
* The user's cloud id, e.g. "christina@university.domain/owncloud"
*
* @return string
*/
private function getSecretName(): string {
$productName = $this->defaults->getName();
$userName = $this->userSession->getUser()->getCloudId();
return rawurlencode("$productName:$userName");
}
/**
* The issuer, e.g. "Nextcloud"
*
* @return string
*/
private function getSecretIssuer(): string {
$productName = $this->defaults->getName();
return rawurlencode($productName);
}
}
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