135 lines
3.6 KiB
PHP
135 lines
3.6 KiB
PHP
<?php
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declare(strict_types = 1);
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/**
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* @author Christoph Wurst <christoph@winzerhof-wurst.at>
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*
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* Two-factor TOTP
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*
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* This code is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Affero General Public License, version 3,
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* as published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Affero General Public License for more details.
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*
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* You should have received a copy of the GNU Affero General Public License, version 3,
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* along with this program. If not, see <http://www.gnu.org/licenses/>
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*
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*/
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namespace OCA\TwoFactorTOTP\Controller;
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use InvalidArgumentException;
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use OCA\TwoFactorTOTP\Service\ITotp;
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use OCP\AppFramework\Http\JSONResponse;
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use OCP\Authentication\TwoFactorAuth\ALoginSetupController;
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use OCP\Defaults;
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use OCP\IRequest;
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use OCP\IUserSession;
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use RuntimeException;
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use function is_null;
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class SettingsController extends ALoginSetupController {
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/** @var ITotp */
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private $totp;
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/** @var IUserSession */
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private $userSession;
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/** @var Defaults */
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private $defaults;
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public function __construct(string $appName, IRequest $request, IUserSession $userSession, ITotp $totp, Defaults $defaults) {
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parent::__construct($appName, $request);
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$this->userSession = $userSession;
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$this->totp = $totp;
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$this->defaults = $defaults;
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}
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/**
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* @NoAdminRequired
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* @return JSONResponse
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*/
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public function state(): JSONResponse {
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$user = $this->userSession->getUser();
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if (is_null($user)) {
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throw new \Exception('user not available');
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}
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return new JSONResponse([
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'state' => $this->totp->hasSecret($user) ? ITotp::STATE_ENABLED : ITotp::STATE_DISABLED,
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]);
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}
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/**
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* @NoAdminRequired
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* @PasswordConfirmationRequired
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*
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* @param int $state
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* @param string|null $code for verification
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*/
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public function enable(int $state, string $code = null): JSONResponse {
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$user = $this->userSession->getUser();
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if (is_null($user)) {
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throw new \Exception('user not available');
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}
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switch ($state) {
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case ITotp::STATE_DISABLED:
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$this->totp->deleteSecret($user);
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return new JSONResponse([
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'state' => ITotp::STATE_DISABLED,
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]);
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case ITotp::STATE_CREATED:
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$secret = $this->totp->createSecret($user);
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$secretName = $this->getSecretName();
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$issuer = $this->getSecretIssuer();
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$qrUrl = "otpauth://totp/$secretName?secret=$secret&issuer=$issuer";
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return new JSONResponse([
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'state' => ITotp::STATE_CREATED,
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'secret' => $secret,
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'qrUrl' => $qrUrl,
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]);
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case ITotp::STATE_ENABLED:
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if ($code === null) {
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throw new InvalidArgumentException("code is missing");
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}
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$success = $this->totp->enable($user, $code);
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return new JSONResponse([
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'state' => $success ? ITotp::STATE_ENABLED : ITotp::STATE_CREATED,
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]);
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default:
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throw new InvalidArgumentException('Invalid TOTP state');
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}
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}
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/**
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* The user's cloud id, e.g. "christina@university.domain/owncloud"
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*
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* @return string
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*/
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private function getSecretName(): string {
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$productName = $this->defaults->getName();
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$user = $this->userSession->getUser();
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if ($user === null) {
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throw new RuntimeException("No user in this context");
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}
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$userName = $user->getCloudId();
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return rawurlencode("$productName:$userName");
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}
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/**
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* The issuer, e.g. "Nextcloud"
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*
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* @return string
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*/
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private function getSecretIssuer(): string {
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$productName = $this->defaults->getName();
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return rawurlencode($productName);
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}
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}
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