314 lines
9.9 KiB
PHP
314 lines
9.9 KiB
PHP
<?php
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/**
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* @copyright Copyright (c) 2016 Joas Schilling <coding@schilljs.com>
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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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* @author Lukas Reschke <lukas@statuscode.ch>
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* @author Thomas Müller <thomas.mueller@tmit.eu>
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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\Security\Bruteforce\Throttler;
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use OC\User\Session;
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use OC_App;
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use OC_Util;
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use OCP\AppFramework\Controller;
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use OCP\AppFramework\Http;
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use OCP\AppFramework\Http\DataResponse;
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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\IProvider;
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use OCP\IConfig;
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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\IUser;
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use OCP\IUserManager;
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use OCP\IUserSession;
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class LoginController extends Controller {
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/** @var IUserManager */
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private $userManager;
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/** @var IConfig */
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private $config;
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/** @var ISession */
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private $session;
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/** @var IUserSession|Session */
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private $userSession;
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/** @var IURLGenerator */
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private $urlGenerator;
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/** @var Manager */
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private $twoFactorManager;
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/** @var Throttler */
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private $throttler;
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/**
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* @param string $appName
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* @param IRequest $request
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* @param IUserManager $userManager
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* @param IConfig $config
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* @param ISession $session
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* @param IUserSession $userSession
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* @param IURLGenerator $urlGenerator
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* @param Manager $twoFactorManager
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* @param Throttler $throttler
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*/
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function __construct($appName,
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IRequest $request,
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IUserManager $userManager,
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IConfig $config,
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ISession $session,
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IUserSession $userSession,
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IURLGenerator $urlGenerator,
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Manager $twoFactorManager,
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Throttler $throttler) {
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parent::__construct($appName, $request);
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$this->userManager = $userManager;
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$this->config = $config;
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$this->session = $session;
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$this->userSession = $userSession;
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$this->urlGenerator = $urlGenerator;
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$this->twoFactorManager = $twoFactorManager;
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$this->throttler = $throttler;
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}
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/**
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* @NoAdminRequired
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* @UseSession
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*
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* @return RedirectResponse
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*/
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public function logout() {
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$loginToken = $this->request->getCookie('oc_token');
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if (!is_null($loginToken)) {
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$this->config->deleteUserValue($this->userSession->getUser()->getUID(), 'login_token', $loginToken);
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}
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$this->userSession->logout();
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return new RedirectResponse($this->urlGenerator->linkToRouteAbsolute('core.login.showLoginForm'));
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}
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/**
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* @PublicPage
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* @NoCSRFRequired
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* @UseSession
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*
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* @param string $user
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* @param string $redirect_url
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* @param string $remember_login
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*
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* @return TemplateResponse|RedirectResponse
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*/
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public function showLoginForm($user, $redirect_url, $remember_login) {
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if ($this->userSession->isLoggedIn()) {
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return new RedirectResponse(OC_Util::getDefaultPageUrl());
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}
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$parameters = array();
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$loginMessages = $this->session->get('loginMessages');
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$errors = [];
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$messages = [];
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if (is_array($loginMessages)) {
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list($errors, $messages) = $loginMessages;
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}
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$this->session->remove('loginMessages');
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foreach ($errors as $value) {
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$parameters[$value] = true;
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}
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$parameters['messages'] = $messages;
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if (!is_null($user) && $user !== '') {
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$parameters['loginName'] = $user;
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$parameters['user_autofocus'] = false;
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} else {
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$parameters['loginName'] = '';
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$parameters['user_autofocus'] = true;
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}
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if (!empty($redirect_url)) {
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$parameters['redirect_url'] = $redirect_url;
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}
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$parameters['canResetPassword'] = true;
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$parameters['resetPasswordLink'] = $this->config->getSystemValue('lost_password_link', '');
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if (!$parameters['resetPasswordLink']) {
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if (!is_null($user) && $user !== '') {
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$userObj = $this->userManager->get($user);
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if ($userObj instanceof IUser) {
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$parameters['canResetPassword'] = $userObj->canChangePassword();
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}
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}
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}
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$parameters['alt_login'] = OC_App::getAlternativeLogIns();
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$parameters['rememberLoginAllowed'] = OC_Util::rememberLoginAllowed();
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$parameters['rememberLoginState'] = !empty($remember_login) ? $remember_login : 0;
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if (!is_null($user) && $user !== '') {
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$parameters['loginName'] = $user;
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$parameters['user_autofocus'] = false;
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} else {
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$parameters['loginName'] = '';
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$parameters['user_autofocus'] = true;
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}
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return new TemplateResponse(
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$this->appName, 'login', $parameters, 'guest'
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);
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}
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/**
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* @param string $redirectUrl
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* @return RedirectResponse
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*/
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private function generateRedirect($redirectUrl) {
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if (!is_null($redirectUrl) && $this->userSession->isLoggedIn()) {
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$location = $this->urlGenerator->getAbsoluteURL(urldecode($redirectUrl));
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// Deny the redirect if the URL contains a @
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// This prevents unvalidated redirects like ?redirect_url=:user@domain.com
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if (strpos($location, '@') === false) {
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return new RedirectResponse($location);
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}
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}
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return new RedirectResponse(OC_Util::getDefaultPageUrl());
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}
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/**
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* @PublicPage
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* @UseSession
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* @NoCSRFRequired
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*
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* @param string $user
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* @param string $password
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* @param string $redirect_url
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* @param boolean $remember_login
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* @return RedirectResponse
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*/
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public function tryLogin($user, $password, $redirect_url, $remember_login = false) {
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$currentDelay = $this->throttler->getDelay($this->request->getRemoteAddress());
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$this->throttler->sleepDelay($this->request->getRemoteAddress());
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// If the user is already logged in and the CSRF check does not pass then
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// simply redirect the user to the correct page as required. This is the
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// case when an user has already logged-in, in another tab.
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if(!$this->request->passesCSRFCheck()) {
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return $this->generateRedirect($redirect_url);
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}
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$originalUser = $user;
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// TODO: Add all the insane error handling
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/* @var $loginResult IUser */
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$loginResult = $this->userManager->checkPassword($user, $password);
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if ($loginResult === false) {
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$users = $this->userManager->getByEmail($user);
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// we only allow login by email if unique
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if (count($users) === 1) {
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$user = $users[0]->getUID();
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$loginResult = $this->userManager->checkPassword($user, $password);
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}
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}
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if ($loginResult === false) {
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$this->throttler->registerAttempt('login', $this->request->getRemoteAddress(), ['user' => $originalUser]);
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if($currentDelay === 0) {
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$this->throttler->sleepDelay($this->request->getRemoteAddress());
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}
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$this->session->set('loginMessages', [
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['invalidpassword'], []
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]);
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// Read current user and append if possible - we need to return the unmodified user otherwise we will leak the login name
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$args = !is_null($user) ? ['user' => $originalUser] : [];
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return new RedirectResponse($this->urlGenerator->linkToRoute('core.login.showLoginForm', $args));
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}
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// TODO: remove password checks from above and let the user session handle failures
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// requires https://github.com/owncloud/core/pull/24616
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$this->userSession->login($user, $password);
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$this->userSession->createSessionToken($this->request, $loginResult->getUID(), $user, $password, $remember_login);
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// User has successfully logged in, now remove the password reset link, when it is available
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$this->config->deleteUserValue($loginResult->getUID(), 'core', 'lostpassword');
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$this->session->set('last-password-confirm', $loginResult->getLastLogin());
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if ($this->twoFactorManager->isTwoFactorAuthenticated($loginResult)) {
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$this->twoFactorManager->prepareTwoFactorLogin($loginResult, $remember_login);
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$providers = $this->twoFactorManager->getProviders($loginResult);
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if (count($providers) === 1) {
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// Single provider, hence we can redirect to that provider's challenge page directly
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/* @var $provider IProvider */
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$provider = array_pop($providers);
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$url = 'core.TwoFactorChallenge.showChallenge';
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$urlParams = [
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'challengeProviderId' => $provider->getId(),
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];
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} else {
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$url = 'core.TwoFactorChallenge.selectChallenge';
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$urlParams = [];
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}
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if (!is_null($redirect_url)) {
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$urlParams['redirect_url'] = $redirect_url;
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}
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return new RedirectResponse($this->urlGenerator->linkToRoute($url, $urlParams));
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}
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if ($remember_login) {
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$this->userSession->createRememberMeToken($loginResult);
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}
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return $this->generateRedirect($redirect_url);
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}
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/**
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* @NoAdminRequired
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* @UseSession
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*
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* @license GNU AGPL version 3 or any later version
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*
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* @param string $password
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* @return DataResponse
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*/
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public function confirmPassword($password) {
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$currentDelay = $this->throttler->getDelay($this->request->getRemoteAddress());
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$this->throttler->sleepDelay($this->request->getRemoteAddress());
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$user = $this->userSession->getUser();
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if (!$user instanceof IUser) {
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return new DataResponse([], Http::STATUS_UNAUTHORIZED);
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}
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$loginResult = $this->userManager->checkPassword($user->getUID(), $password);
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if ($loginResult === false) {
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$this->throttler->registerAttempt('sudo', $this->request->getRemoteAddress(), ['user' => $user->getUID()]);
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if ($currentDelay === 0) {
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$this->throttler->sleepDelay($this->request->getRemoteAddress());
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}
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return new DataResponse([], Http::STATUS_FORBIDDEN);
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}
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$confirmTimestamp = time();
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$this->session->set('last-password-confirm', $confirmTimestamp);
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return new DataResponse(['lastLogin' => $confirmTimestamp], Http::STATUS_OK);
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}
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}
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