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158 lines
3.9 KiB
158 lines
3.9 KiB
<?php |
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declare(strict_types=1); |
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/** |
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* @copyright 2019 Christoph Wurst <christoph@winzerhof-wurst.at> |
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* |
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* @author 2019 Christoph Wurst <christoph@winzerhof-wurst.at> |
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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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* This program 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 as |
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* published by the Free Software Foundation, either version 3 of the |
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* License, or (at your option) any later version. |
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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 |
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* along with this program. If not, see <http://www.gnu.org/licenses/>. |
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*/ |
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namespace OC\Authentication\Token; |
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use function array_filter; |
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use OC\Authentication\Events\RemoteWipeFinished; |
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use OC\Authentication\Events\RemoteWipeStarted; |
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use OC\Authentication\Exceptions\ExpiredTokenException; |
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use OC\Authentication\Exceptions\InvalidTokenException; |
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use OC\Authentication\Exceptions\WipeTokenException; |
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use OCP\EventDispatcher\IEventDispatcher; |
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use OCP\ILogger; |
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use OCP\IUser; |
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class RemoteWipe { |
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/** @var IProvider */ |
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private $tokenProvider; |
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/** @var IEventDispatcher */ |
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private $eventDispatcher; |
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/** @var ILogger */ |
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private $logger; |
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public function __construct(IProvider $tokenProvider, |
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IEventDispatcher $eventDispatcher, |
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ILogger $logger) { |
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$this->tokenProvider = $tokenProvider; |
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$this->eventDispatcher = $eventDispatcher; |
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$this->logger = $logger; |
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} |
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/** |
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* @param int $id |
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* |
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* @return bool |
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* |
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* @throws InvalidTokenException |
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* @throws WipeTokenException |
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* @throws ExpiredTokenException |
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*/ |
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public function markTokenForWipe(int $id): bool { |
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$token = $this->tokenProvider->getTokenById($id); |
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if (!($token instanceof IWipeableToken)) { |
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return false; |
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} |
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$token->wipe(); |
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$this->tokenProvider->updateToken($token); |
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return true; |
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} |
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/** |
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* @param IUser $user |
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* |
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* @return bool true if any tokens have been marked for remote wipe |
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*/ |
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public function markAllTokensForWipe(IUser $user): bool { |
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$tokens = $this->tokenProvider->getTokenByUser($user->getUID()); |
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/** @var IWipeableToken[] $wipeable */ |
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$wipeable = array_filter($tokens, function (IToken $token) { |
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return $token instanceof IWipeableToken; |
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}); |
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if (empty($wipeable)) { |
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return false; |
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} |
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foreach ($wipeable as $token) { |
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$token->wipe(); |
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$this->tokenProvider->updateToken($token); |
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} |
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return true; |
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} |
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/** |
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* @param string $token |
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* |
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* @return bool whether wiping was started |
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* @throws InvalidTokenException |
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* |
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*/ |
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public function start(string $token): bool { |
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try { |
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$this->tokenProvider->getToken($token); |
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// We expect a WipedTokenException here. If we reach this point this |
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// is an ordinary token |
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return false; |
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} catch (WipeTokenException $e) { |
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// Expected -> continue below |
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} |
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$dbToken = $e->getToken(); |
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$this->logger->info("user " . $dbToken->getUID() . " started a remote wipe"); |
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$this->eventDispatcher->dispatch(RemoteWipeStarted::class, new RemoteWipeStarted($dbToken)); |
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return true; |
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} |
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/** |
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* @param string $token |
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* |
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* @return bool whether wiping could be finished |
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* @throws InvalidTokenException |
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*/ |
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public function finish(string $token): bool { |
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try { |
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$this->tokenProvider->getToken($token); |
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// We expect a WipedTokenException here. If we reach this point this |
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// is an ordinary token |
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return false; |
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} catch (WipeTokenException $e) { |
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// Expected -> continue below |
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} |
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$dbToken = $e->getToken(); |
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$this->tokenProvider->invalidateToken($token); |
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$this->logger->info("user " . $dbToken->getUID() . " finished a remote wipe"); |
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$this->eventDispatcher->dispatch(RemoteWipeFinished::class, new RemoteWipeFinished($dbToken)); |
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return true; |
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} |
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}
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