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![Lukas Reschke](/assets/img/avatar_default.png)
Fixes https://github.com/nextcloud/server/issues/2626 Signed-off-by: Lukas Reschke <lukas@statuscode.ch>
184 lines
5.6 KiB
PHP
184 lines
5.6 KiB
PHP
<?php
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/**
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* @copyright Copyright (c) 2016, ownCloud, Inc.
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*
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* @author Christoph Wurst <christoph@owncloud.com>
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* @author Joas Schilling <coding@schilljs.com>
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*
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* @license AGPL-3.0
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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 OC\Core\Controller;
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use OC\Authentication\TwoFactorAuth\Manager;
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use OC_User;
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use OC_Util;
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use OCP\AppFramework\Controller;
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use OCP\AppFramework\Http\RedirectResponse;
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use OCP\AppFramework\Http\TemplateResponse;
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use OCP\Authentication\TwoFactorAuth\TwoFactorException;
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use OCP\IRequest;
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use OCP\ISession;
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use OCP\IURLGenerator;
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use OCP\IUserSession;
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class TwoFactorChallengeController extends Controller {
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/** @var Manager */
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private $twoFactorManager;
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/** @var IUserSession */
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private $userSession;
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/** @var ISession */
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private $session;
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/** @var IURLGenerator */
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private $urlGenerator;
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/**
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* @param string $appName
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* @param IRequest $request
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* @param Manager $twoFactorManager
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* @param IUserSession $userSession
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* @param ISession $session
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* @param IURLGenerator $urlGenerator
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*/
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public function __construct($appName, IRequest $request, Manager $twoFactorManager, IUserSession $userSession,
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ISession $session, IURLGenerator $urlGenerator) {
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parent::__construct($appName, $request);
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$this->twoFactorManager = $twoFactorManager;
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$this->userSession = $userSession;
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$this->session = $session;
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$this->urlGenerator = $urlGenerator;
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}
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/**
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* @return string
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*/
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protected function getLogoutAttribute() {
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return OC_User::getLogoutAttribute();
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}
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/**
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* @NoAdminRequired
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* @NoCSRFRequired
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*
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* @param string $redirect_url
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* @return TemplateResponse
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*/
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public function selectChallenge($redirect_url) {
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$user = $this->userSession->getUser();
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$providers = $this->twoFactorManager->getProviders($user);
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$backupProvider = $this->twoFactorManager->getBackupProvider($user);
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$data = [
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'providers' => $providers,
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'backupProvider' => $backupProvider,
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'redirect_url' => $redirect_url,
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'logout_attribute' => $this->getLogoutAttribute(),
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];
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return new TemplateResponse($this->appName, 'twofactorselectchallenge', $data, 'guest');
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}
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/**
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* @NoAdminRequired
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* @NoCSRFRequired
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* @UseSession
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*
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* @param string $challengeProviderId
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* @param string $redirect_url
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* @return TemplateResponse|RedirectResponse
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*/
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public function showChallenge($challengeProviderId, $redirect_url) {
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$user = $this->userSession->getUser();
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$provider = $this->twoFactorManager->getProvider($user, $challengeProviderId);
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if (is_null($provider)) {
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return new RedirectResponse($this->urlGenerator->linkToRoute('core.TwoFactorChallenge.selectChallenge'));
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}
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$backupProvider = $this->twoFactorManager->getBackupProvider($user);
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if (!is_null($backupProvider) && $backupProvider->getId() === $provider->getId()) {
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// Don't show the backup provider link if we're already showing that provider's challenge
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$backupProvider = null;
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}
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$errorMessage = '';
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$error = false;
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if ($this->session->exists('two_factor_auth_error')) {
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$this->session->remove('two_factor_auth_error');
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$error = true;
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$errorMessage = $this->session->get("two_factor_auth_error_message");
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$this->session->remove('two_factor_auth_error_message');
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}
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$tmpl = $provider->getTemplate($user);
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$tmpl->assign('redirect_url', $redirect_url);
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$data = [
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'error' => $error,
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'error_message' => $errorMessage,
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'provider' => $provider,
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'backupProvider' => $backupProvider,
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'logout_attribute' => $this->getLogoutAttribute(),
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'redirect_url' => $redirect_url,
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'template' => $tmpl->fetchPage(),
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];
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return new TemplateResponse($this->appName, 'twofactorshowchallenge', $data, 'guest');
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}
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/**
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* @NoAdminRequired
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* @NoCSRFRequired
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* @UseSession
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*
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* @UserRateThrottle(limit=5, period=100)
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*
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* @param string $challengeProviderId
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* @param string $challenge
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* @param string $redirect_url
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* @return RedirectResponse
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*/
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public function solveChallenge($challengeProviderId, $challenge, $redirect_url = null) {
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$user = $this->userSession->getUser();
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$provider = $this->twoFactorManager->getProvider($user, $challengeProviderId);
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if (is_null($provider)) {
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return new RedirectResponse($this->urlGenerator->linkToRoute('core.TwoFactorChallenge.selectChallenge'));
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}
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try {
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if ($this->twoFactorManager->verifyChallenge($challengeProviderId, $user, $challenge)) {
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if (!is_null($redirect_url)) {
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return new RedirectResponse($this->urlGenerator->getAbsoluteURL(urldecode($redirect_url)));
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}
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return new RedirectResponse(OC_Util::getDefaultPageUrl());
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}
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} catch (TwoFactorException $e) {
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/*
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* The 2FA App threw an TwoFactorException. Now we display more
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* information to the user. The exception text is stored in the
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* session to be used in showChallenge()
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*/
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$this->session->set('two_factor_auth_error_message', $e->getMessage());
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}
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$this->session->set('two_factor_auth_error', true);
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return new RedirectResponse($this->urlGenerator->linkToRoute('core.TwoFactorChallenge.showChallenge', [
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'challengeProviderId' => $provider->getId(),
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'redirect_url' => $redirect_url,
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]));
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}
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}
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