two factor auth

apps/dav/lib/Connector/Sabre/Auth.php

@@ -103,6 +103,7 @@ protected function validateUserPass($username, $password) {
 			return true;
 		} else {
 			\OC_Util::setUpFS(); //login hooks may need early access to the filesystem
+			// TODO: do not allow basic auth if the user is 2FA enforced
 			if($this->userSession->login($username, $password)) {
 				$this->userSession->createSessionToken($this->request, $username, $password);
 				\OC_Util::setUpFS($this->userSession->getUser()->getUID());

core/Application.php

@@ -33,6 +33,7 @@
 use OC\Core\Controller\LoginController;
 use OC\Core\Controller\LostController;
 use OC\Core\Controller\TokenController;
+use OC\Core\Controller\TwoFactorChallengeController;
 use OC\Core\Controller\UserController;
 use OC_Defaults;
 use OCP\AppFramework\App;
@@ -101,9 +102,19 @@ public function __construct(array $urlParams=array()){
 				$c->query('Config'),
 				$c->query('Session'),
 				$c->query('UserSession'),
-				$c->query('URLGenerator')
+				$c->query('URLGenerator'),
+				$c->query('TwoFactorAuthManager')
 			);
 		});
+		$container->registerService('TwoFactorChallengeController', function (SimpleContainer $c) {
+			return new TwoFactorChallengeController(
+				$c->query('AppName'),
+				$c->query('Request'),
+				$c->query('TwoFactorAuthManager'),
+				$c->query('UserSession'),
+				$c->query('Session'),
+				$c->query('URLGenerator'));
+		});
 		$container->registerService('TokenController', function(SimpleContainer $c) {
 			return new TokenController(
 				$c->query('AppName'),
@@ -168,6 +179,9 @@ public function __construct(array $urlParams=array()){
 		$container->registerService('DefaultEmailAddress', function() {
 			return Util::getDefaultEmailAddress('lostpassword-noreply');
 		});
+		$container->registerService('TwoFactorAuthManager', function(SimpleContainer $c) {
+			return $c->query('ServerContainer')->getTwoFactorAuthManager();
+		});
 	}
 
 }

core/Command/TwoFactorAuth/Disable.php

@@ -0,0 +1,65 @@
+<?php
+
+/**
+ * @author Christoph Wurst <[email protected]>
+ *
+ * @copyright Copyright (c) 2016, ownCloud, Inc.
+ * @license AGPL-3.0
+ *
+ * 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 OC\Core\Command\TwoFactorAuth;
+
+use OC\Authentication\TwoFactorAuth\Manager;
+use OC\User\Manager as UserManager;
+use OC\Core\Command\Base;
+use Symfony\Component\Console\Input\InputArgument;
+use Symfony\Component\Console\Input\InputInterface;
+use Symfony\Component\Console\Output\OutputInterface;
+
+class Disable extends Base {
+
+	/** @var Manager */
+	private $manager;
+
+	/** @var UserManager */
+	private $userManager;
+
+	public function __construct(Manager $manager, UserManager $userManager) {
+		parent::__construct('twofactorauth:disable');
+		$this->manager = $manager;
+		$this->userManager = $userManager;
+	}
+
+	protected function configure() {
+		parent::configure();
+
+		$this->setName('twofactorauth:disable');
+		$this->setDescription('Disable two-factor authentication for a user');
+		$this->addArgument('uid', InputArgument::REQUIRED);
+	}
+
+	protected function execute(InputInterface $input, OutputInterface $output) {
+		$uid = $input->getArgument('uid');
+		$user = $this->userManager->get($uid);
+		if (is_null($user)) {
+			$output->writeln("<error>Invalid UID</error>");
+			return;
+		}
+		$this->manager->disableTwoFactorAuthentication($user);
+		$output->writeln("Two-factor authentication disabled for user $uid");
+	}
+
+}

core/Command/TwoFactorAuth/Enable.php

@@ -0,0 +1,65 @@
+<?php
+
+/**
+ * @author Christoph Wurst <[email protected]>
+ *
+ * @copyright Copyright (c) 2016, ownCloud, Inc.
+ * @license AGPL-3.0
+ *
+ * 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 OC\Core\Command\TwoFactorAuth;
+
+use OC\Authentication\TwoFactorAuth\Manager;
+use OC\User\Manager as UserManager;
+use OC\Core\Command\Base;
+use Symfony\Component\Console\Input\InputArgument;
+use Symfony\Component\Console\Input\InputInterface;
+use Symfony\Component\Console\Output\OutputInterface;
+
+class Enable extends Base {
+
+	/** @var Manager */
+	private $manager;
+
+	/** @var UserManager */
+	private $userManager;
+
+	public function __construct(Manager $manager, UserManager $userManager) {
+		parent::__construct('twofactorauth:enable');
+		$this->manager = $manager;
+		$this->userManager = $userManager;
+	}
+
+	protected function configure() {
+		parent::configure();
+
+		$this->setName('twofactorauth:enable');
+		$this->setDescription('Enable two-factor authentication for a user');
+		$this->addArgument('uid', InputArgument::REQUIRED);
+	}
+
+	protected function execute(InputInterface $input, OutputInterface $output) {
+		$uid = $input->getArgument('uid');
+		$user = $this->userManager->get($uid);
+		if (is_null($user)) {
+			$output->writeln("<error>Invalid UID</error>");
+			return;
+		}
+		$this->manager->enableTwoFactorAuthentication($user);
+		$output->writeln("Two-factor authentication enabled for user $uid");
+	}
+
+}

core/Controller/LoginController.php

@@ -23,7 +23,7 @@
 
 namespace OC\Core\Controller;
 
-use OC;
+use OC\Authentication\TwoFactorAuth\Manager;
 use OC\User\Session;
 use OC_App;
 use OC_Util;
@@ -54,6 +54,9 @@ class LoginController extends Controller {
 	/** @var IURLGenerator */
 	private $urlGenerator;
 
+	/** @var Manager */
+	private $twoFactorManager;
+
 	/**
 	 * @param string $appName
 	 * @param IRequest $request
@@ -62,15 +65,17 @@ class LoginController extends Controller {
 	 * @param ISession $session
 	 * @param Session $userSession
 	 * @param IURLGenerator $urlGenerator
+	 * @param Manager $twoFactorManager
 	 */
 	function __construct($appName, IRequest $request, IUserManager $userManager, IConfig $config, ISession $session,
-		Session $userSession, IURLGenerator $urlGenerator) {
+		Session $userSession, IURLGenerator $urlGenerator, Manager $twoFactorManager) {
 		parent::__construct($appName, $request);
 		$this->userManager = $userManager;
 		$this->config = $config;
 		$this->session = $session;
 		$this->userSession = $userSession;
 		$this->urlGenerator = $urlGenerator;
+		$this->twoFactorManager = $twoFactorManager;
 	}
 
 	/**
@@ -167,6 +172,7 @@ public function showLoginForm($user, $redirect_url, $remember_login) {
 	 */
 	public function tryLogin($user, $password, $redirect_url) {
 		// TODO: Add all the insane error handling
+		/* @var $loginResult IUser */
 		$loginResult = $this->userManager->checkPassword($user, $password);
 		if ($loginResult === false) {
 			$users = $this->userManager->getByEmail($user);
@@ -185,6 +191,12 @@ public function tryLogin($user, $password, $redirect_url) {
 			return new RedirectResponse($this->urlGenerator->linkToRoute('core.login.showLoginForm', $args));
 		}
 		$this->userSession->createSessionToken($this->request, $loginResult->getUID(), $password);
+
+		if ($this->twoFactorManager->isTwoFactorAuthenticated($loginResult)) {
+			$this->twoFactorManager->prepareTwoFactorLogin($loginResult);
+			return new RedirectResponse($this->urlGenerator->linkToRoute('core.TwoFactorChallenge.selectChallenge'));
+		}
+
 		if (!is_null($redirect_url) && $this->userSession->isLoggedIn()) {
 			$location = $this->urlGenerator->getAbsoluteURL(urldecode($redirect_url));
 			// Deny the redirect if the URL contains a @

core/Controller/TwoFactorChallengeController.php

@@ -0,0 +1,134 @@
+<?php
+
+/**
+ * @author Christoph Wurst <[email protected]>
+ *
+ * @copyright Copyright (c) 2016, ownCloud, Inc.
+ * @license AGPL-3.0
+ *
+ * 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 OC\Core\Controller;
+
+use OC\Authentication\TwoFactorAuth\Manager;
+use OCP\AppFramework\Controller;
+use OCP\AppFramework\Http\RedirectResponse;
+use OCP\AppFramework\Http\TemplateResponse;
+use OCP\IRequest;
+use OCP\ISession;
+use OCP\IURLGenerator;
+use OCP\IUserSession;
+
+class TwoFactorChallengeController extends Controller {
+
+	/** @var Manager */
+	private $twoFactorManager;
+
+	/** @var IUserSession */
+	private $userSession;
+
+	/** @var ISession */
+	private $session;
+
+	/** @var IURLGenerator */
+	private $urlGenerator;
+
+	/**
+	 * @param string $appName
+	 * @param IRequest $request
+	 * @param Manager $twoFactorManager
+	 * @param IUserSession $userSession
+	 * @param ISession $session
+	 * @param IURLGenerator $urlGenerator
+	 */
+	public function __construct($appName, IRequest $request, Manager $twoFactorManager, IUserSession $userSession,
+		ISession $session, IURLGenerator $urlGenerator) {
+		parent::__construct($appName, $request);
+		$this->twoFactorManager = $twoFactorManager;
+		$this->userSession = $userSession;
+		$this->session = $session;
+		$this->urlGenerator = $urlGenerator;
+	}
+
+	/**
+	 * @NoCSRFRequired
+	 * @PublicPage
+	 *
+	 * @return TemplateResponse
+	 */
+	public function selectChallenge() {
+		$user = $this->userSession->getUser();
+		$providers = $this->twoFactorManager->getProviders($user);
+
+		$data = [
+			'providers' => $providers,
+		];
+		return new TemplateResponse($this->appName, 'twofactorselectchallenge', $data, 'guest');
+	}
+
+	/**
+	 * @NoCSRFRequired
+	 * @PublicPage
+	 * @UseSession
+	 *
+	 * @param string $challengeProviderId
+	 * @return TemplateResponse
+	 */
+	public function showChallenge($challengeProviderId) {
+		$user = $this->userSession->getUser();
+		$provider = $this->twoFactorManager->getProvider($user, $challengeProviderId);
+		if (is_null($provider)) {
+			return new RedirectResponse($this->urlGenerator->linkToRoute('core.TwoFactorChallenge.selectChallenge'));
+		}
+
+		if ($this->session->exists('two_factor_auth_error')) {
+			$this->session->remove('two_factor_auth_error');
+			$error = true;
+		} else {
+			$error = false;
+		}
+		$data = [
+			'error' => $error,
+			'provider' => $provider,
+			'template' => $provider->getTemplate($user)->fetchPage(),
+		];
+		return new TemplateResponse($this->appName, 'twofactorshowchallenge', $data, 'guest');
+	}
+
+	/**
+	 * @NoCSRFRequired
+	 * @PublicPage
+	 * @UseSession
+	 *
+	 * @param string $challengeProviderId
+	 * @param string $challenge
+	 * @return RedirectResponse
+	 */
+	public function solveChallenge($challengeProviderId, $challenge) {
+		$user = $this->userSession->getUser();
+		$provider = $this->twoFactorManager->getProvider($user, $challengeProviderId);
+		if (is_null($provider)) {
+			return new RedirectResponse($this->urlGenerator->linkToRoute('core.TwoFactorChallenge.selectChallenge'));
+		}
+
+		if ($this->twoFactorManager->verifyChallenge($challengeProviderId, $user, $challenge)) {
+			return new RedirectResponse($this->urlGenerator->linkToRoute('files.view.index'));
+		}
+
+		$this->session->set('two_factor_auth_error', true);
+		return new RedirectResponse($this->urlGenerator->linkToRoute('core.TwoFactorChallenge.showChallenge', ['challengeProviderId' => $provider->getId()]));
+	}
+
+}