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<?php
/**
* @author Christoph Wurst <christoph@owncloud.com>
*
* @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\Settings\Controller;
use OC\AppFramework\Http;
use OC\Authentication\Exceptions\InvalidTokenException;
use OC\Authentication\Exceptions\PasswordlessTokenException;
use OC\Authentication\Token\IProvider;
use OC\Authentication\Token\IToken;
use OCP\AppFramework\Controller;
use OCP\AppFramework\Http\JSONResponse;
use OCP\IRequest;
use OCP\ISession;
use OCP\IUserManager;
use OCP\Security\ISecureRandom;
use OCP\Session\Exceptions\SessionNotAvailableException;
class AuthSettingsController extends Controller {
/** @var IProvider */
private $tokenProvider;
/** @var IUserManager */
private $userManager;
/** @var ISession */
private $session;
/** @var string */
private $uid;
/** @var ISecureRandom */
private $random;
/**
* @param string $appName
* @param IRequest $request
* @param IProvider $tokenProvider
* @param IUserManager $userManager
* @param ISession $session
* @param ISecureRandom $random
* @param string $uid
*/
public function __construct($appName, IRequest $request, IProvider $tokenProvider, IUserManager $userManager,
ISession $session, ISecureRandom $random, $uid) {
parent::__construct($appName, $request);
$this->tokenProvider = $tokenProvider;
$this->userManager = $userManager;
$this->uid = $uid;
$this->session = $session;
$this->random = $random;
}
/**
* @NoAdminRequired
* @NoSubadminRequired
*
* @return JSONResponse
*/
public function index() {
$user = $this->userManager->get($this->uid);
if (is_null($user)) {
return [];
}
$tokens = $this->tokenProvider->getTokenByUser($user);
try {
$sessionId = $this->session->getId();
} catch (SessionNotAvailableException $ex) {
return $this->getServiceNotAvailableResponse();
}
try {
$sessionToken = $this->tokenProvider->getToken($sessionId);
} catch (InvalidTokenException $ex) {
return $this->getServiceNotAvailableResponse();
}
return array_map(function(IToken $token) use ($sessionToken) {
$data = $token->jsonSerialize();
if ($sessionToken->getId() === $token->getId()) {
$data['canDelete'] = false;
$data['current'] = true;
} else {
$data['canDelete'] = true;
}
return $data;
}, $tokens);
}
/**
* @NoAdminRequired
* @NoSubadminRequired
*
* @return JSONResponse
*/
public function create($name) {
try {
$sessionId = $this->session->getId();
} catch (SessionNotAvailableException $ex) {
return $this->getServiceNotAvailableResponse();
}
try {
$sessionToken = $this->tokenProvider->getToken($sessionId);
$loginName = $sessionToken->getLoginName();
try {
$password = $this->tokenProvider->getPassword($sessionToken, $sessionId);
} catch (PasswordlessTokenException $ex) {
$password = null;
}
} catch (InvalidTokenException $ex) {
return $this->getServiceNotAvailableResponse();
}
$token = $this->generateRandomDeviceToken();
$deviceToken = $this->tokenProvider->generateToken($token, $this->uid, $loginName, $password, $name, IToken::PERMANENT_TOKEN);
return [
'token' => $token,
'loginName' => $loginName,
'deviceToken' => $deviceToken
];
}
private function getServiceNotAvailableResponse() {
$resp = new JSONResponse();
$resp->setStatus(Http::STATUS_SERVICE_UNAVAILABLE);
return $resp;
}
/**
* Return a 20 digit device password
*
* Example: ABCDE-FGHIJ-KLMNO-PQRST
*
* @return string
*/
private function generateRandomDeviceToken() {
$groups = [];
for ($i = 0; $i < 4; $i++) {
$groups[] = $this->random->generate(5, implode('', range('A', 'Z')));
}
return implode('-', $groups);
}
/**
* @NoAdminRequired
* @NoSubadminRequired
*
* @return JSONResponse
*/
public function destroy($id) {
$user = $this->userManager->get($this->uid);
if (is_null($user)) {
return [];
}
$this->tokenProvider->invalidateTokenById($user, $id);
return [];
}
}
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