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<?php
/**
* @copyright Copyright (c) 2016, ownCloud, Inc.
*
* @author Christoph Wurst <christoph@owncloud.com>
* @author Joas Schilling <coding@schilljs.com>
*
* @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;
}
/**
* @return string
*/
protected function getLogoutAttribute() {
return \OC_User::getLogoutAttribute();
}
/**
* @NoAdminRequired
* @NoCSRFRequired
*
* @param string $redirect_url
* @return TemplateResponse
*/
public function selectChallenge($redirect_url) {
$user = $this->userSession->getUser();
$providers = $this->twoFactorManager->getProviders($user);
$data = [
'providers' => $providers,
'redirect_url' => $redirect_url,
'logout_attribute' => $this->getLogoutAttribute(),
];
return new TemplateResponse($this->appName, 'twofactorselectchallenge', $data, 'guest');
}
/**
* @NoAdminRequired
* @NoCSRFRequired
* @UseSession
*
* @param string $challengeProviderId
* @param string $redirect_url
* @return TemplateResponse
*/
public function showChallenge($challengeProviderId, $redirect_url) {
$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;
}
$tmpl = $provider->getTemplate($user);
$tmpl->assign('redirect_url', $redirect_url);
$data = [
'error' => $error,
'provider' => $provider,
'logout_attribute' => $this->getLogoutAttribute(),
'template' => $tmpl->fetchPage(),
];
return new TemplateResponse($this->appName, 'twofactorshowchallenge', $data, 'guest');
}
/**
* @NoAdminRequired
* @NoCSRFRequired
* @UseSession
*
* @param string $challengeProviderId
* @param string $challenge
* @param string $redirect_url
* @return RedirectResponse
*/
public function solveChallenge($challengeProviderId, $challenge, $redirect_url = null) {
$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, $challenge)) {
if (!is_null($redirect_url)) {
return new RedirectResponse($this->urlGenerator->getAbsoluteURL(urldecode($redirect_url)));
}
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(),
'redirect_url' => $redirect_url,
]));
}
}
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