mirror of
https://github.com/netzbegruenung/circles.git
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131 lines
3.5 KiB
PHP
131 lines
3.5 KiB
PHP
<?php
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declare(strict_types=1);
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/**
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* Circles - Bring cloud-users closer together.
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*
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* This file is licensed under the Affero General Public License version 3 or
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* later. See the COPYING file.
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*
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* @author Maxence Lange <maxence@artificial-owl.com>
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* @copyright 2017
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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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*/
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namespace OCA\Circles\FederatedItems;
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use OCA\Circles\Tools\Traits\TStringTools;
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use OCA\Circles\Db\ShareLockRequest;
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use OCA\Circles\Exceptions\FederatedShareNotFoundException;
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use OCA\Circles\Exceptions\InvalidIdException;
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use OCA\Circles\IFederatedItem;
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use OCA\Circles\IFederatedItemDataRequestOnly;
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use OCA\Circles\Model\Federated\FederatedEvent;
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use OCA\Circles\Model\Federated\FederatedShare;
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/**
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* Class ItemLock
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*
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* @package OCA\Circles\FederatedItems
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*/
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class ItemLock implements
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IFederatedItem,
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IFederatedItemDataRequestOnly {
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use TStringTools;
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public const STATUS_LOCKED = 'locked';
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public const STATUS_ALREADY_LOCKED = 'already_locked';
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public const STATUS_INSTANCE_LOCKED = 'instance_locked';
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/** @var ShareLockRequest */
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private $shareLockRequest;
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/**
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* ItemLock constructor.
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*
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* @param ShareLockRequest $shareLockRequest
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*/
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public function __construct(ShareLockRequest $shareLockRequest) {
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$this->shareLockRequest = $shareLockRequest;
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}
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/**
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* create lock in db if the lock does not exist for this circle.
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* will fail if the lock already exist for anothr instance, even for another circle
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*
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* @param FederatedEvent $event
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*
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* @throws InvalidIdException
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* @throws FederatedShareNotFoundException
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*/
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public function verify(FederatedEvent $event): void {
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$itemId = $event->getParams()->g('itemId');
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$this->shareLockRequest->confirmValidId($itemId);
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$status = '';
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try {
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$known = $this->shareLockRequest->getShare($itemId);
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if ($known->getInstance() === $event->getSender()) {
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$status = self::STATUS_ALREADY_LOCKED;
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$known = $this->shareLockRequest->getShare($itemId, $event->getCircle()->getSingleId());
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} else {
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$status = self::STATUS_INSTANCE_LOCKED;
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}
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} catch (FederatedShareNotFoundException $e) {
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$share = new FederatedShare();
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$share->setItemId($itemId);
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$share->setCircleId($event->getCircle()->getSingleId());
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$share->setInstance($event->getSender());
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$this->shareLockRequest->save($share);
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$known = $this->shareLockRequest->getShare($itemId);
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if ($status === '') {
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$status = self::STATUS_LOCKED;
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}
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}
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$known->setLockStatus($status);
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$event->setOutcome(['federatedShare' => $known]);
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}
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/**
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* @param FederatedEvent $event
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*/
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public function manage(FederatedEvent $event): void {
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// $this->circleEventService->onSharedItemsSyncRequested($event);
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//
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// $event->setResult(new SimpleDataStore(['shares' => 'ok']));
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}
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/**
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* @param FederatedEvent $event
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* @param array $results
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*/
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public function result(FederatedEvent $event, array $results): void {
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}
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}
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