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<?php |
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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 <[email protected]> |
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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\Service; |
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use Exception; |
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use OC\Http\Client\ClientService; |
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use OCA\Circles\Db\CirclesRequest; |
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use OCA\Circles\Db\FederatedLinksRequest; |
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use OCA\Circles\Exceptions\FederatedCircleLinkFormatException; |
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use OCA\Circles\Exceptions\FederatedCircleNotAllowedException; |
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use OCA\Circles\Exceptions\CircleTypeNotValid; |
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use OCA\Circles\Exceptions\FederatedRemoteCircleDoesNotExistException; |
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use OCA\Circles\Exceptions\FederatedRemoteDoesNotAllowException; |
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use OCA\Circles\Exceptions\MemberIsNotAdminException; |
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use OCA\Circles\Model\Circle; |
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use OCA\Circles\Model\FederatedLink; |
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use OCA\Circles\Model\SharingFrame; |
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use OCP\IL10N; |
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class FederatedService { |
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/** @var string */ |
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private $userId; |
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/** @var IL10N */ |
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private $l10n; |
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/** @var CirclesRequest */ |
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private $circlesRequest; |
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/** @var ConfigService */ |
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private $configService; |
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/** @var CirclesService */ |
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private $circlesService; |
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/** @var SharesService */ |
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private $broadcastService; |
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/** @var FederatedLinksRequest */ |
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private $federatedLinksRequest; |
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/** @var string */ |
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private $serverHost; |
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/** @var ClientService */ |
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private $clientService; |
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/** @var MiscService */ |
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private $miscService; |
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/** |
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* CirclesService constructor. |
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* |
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* @param $userId |
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* @param IL10N $l10n |
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* @param CirclesRequest $circlesRequest |
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* @param ConfigService $configService |
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* @param DatabaseService $databaseService |
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* @param CirclesService $circlesService |
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* @param BroadcastService $broadcastService |
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* @param FederatedLinksRequest $federatedLinksRequest |
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* @param string $serverHost |
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* @param ClientService $clientService |
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* @param MiscService $miscService |
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*/ |
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public function __construct( |
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$userId, |
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IL10N $l10n, |
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CirclesRequest $circlesRequest, |
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ConfigService $configService, |
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DatabaseService $databaseService, |
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CirclesService $circlesService, |
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BroadcastService $broadcastService, |
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FederatedLinksRequest $federatedLinksRequest, |
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string $serverHost, |
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ClientService $clientService, |
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MiscService $miscService |
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) { |
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$this->userId = $userId; |
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$this->l10n = $l10n; |
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$this->circlesRequest = $circlesRequest; |
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$this->configService = $configService; |
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$this->circlesService = $circlesService; |
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$this->broadcastService = $broadcastService; |
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$this->federatedLinksRequest = $federatedLinksRequest; |
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$this->serverHost = $serverHost; |
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$this->clientService = $clientService; |
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$this->miscService = $miscService; |
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} |
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/** |
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* linkCircle() |
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* |
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* link to a circle. |
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* Function will check if settings allow Federated links between circles, and the format of |
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* the link ($remote). If no exception, a request to the remote circle will be initiated |
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* using requestLinkWithCircle() |
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* |
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* $remote format: <circle_name>@<remote_host> |
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* |
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* @param int $circleId |
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* @param string $remote |
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* |
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* @throws Exception |
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* @throws FederatedCircleLinkFormatException |
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* @throws CircleTypeNotValid |
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* @throws MemberIsNotAdminException |
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* |
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* @return FederatedLink |
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*/ |
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public function linkCircle($circleId, $remote) { |
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if (!$this->configService->isFederatedAllowed()) { |
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throw new FederatedCircleNotAllowedException( |
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$this->l10n->t("Federated circles are not allowed on this Nextcloud") |
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); |
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} |
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if (strpos($remote, '@') === false) { |
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throw new FederatedCircleLinkFormatException( |
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$this->l10n->t("Federated link does not have a valid format") |
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); |
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} |
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try { |
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return $this->requestLinkWithCircle($circleId, $remote); |
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} catch (Exception $e) { |
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throw $e; |
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} |
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} |
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/** |
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* requestLinkWithCircle() |
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* |
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* Using CircleId, function will get more infos from the database. |
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* Will check if author is not admin and initiate a FederatedLink, save it |
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* in the database and send a request to the remote circle using requestLink() |
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* If any issue, entry is removed from the database. |
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* |
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* @param $circleId |
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* @param $remote |
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* |
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* @return FederatedLink |
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* @throws Exception |
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*/ |
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private function requestLinkWithCircle($circleId, $remote) { |
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$link = null; |
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try { |
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list($remoteCircle, $remoteAddress) = explode('@', $remote, 2); |
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$circle = $this->circlesService->detailsCircle($circleId); |
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$circle->getUser() |
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->hasToBeAdmin(); |
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$circle->cantBePersonal(); |
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$link = new FederatedLink(); |
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$link->setCircleId($circleId) |
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->setLocalAddress($this->serverHost) |
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->setAddress($remoteAddress) |
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->setRemoteCircleName($remoteCircle) |
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->setStatus(FederatedLink::STATUS_LINK_SETUP) |
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->generateToken(); |
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$this->federatedLinksRequest->create($link); |
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$this->requestLink($circle, $link); |
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} catch (Exception $e) { |
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$this->federatedLinksRequest->delete($link); |
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throw $e; |
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} |
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return $link; |
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} |
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/** |
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* @param string $remote |
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* |
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* @return string |
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*/ |
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View Code Duplication |
private function generateLinkRemoteURL($remote) { |
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if (strpos($remote, 'http') !== 0) { |
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$remote = 'https://' . $remote; |
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} |
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return rtrim($remote, '/') . '/index.php/apps/circles/circles/link/'; |
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} |
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/** |
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* @param string $remote |
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* |
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* @return string |
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*/ |
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View Code Duplication |
private function generatePayloadDeliveryURL($remote) { |
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if (strpos($remote, 'http') !== 0) { |
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$remote = 'http://' . $remote; |
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} |
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return rtrim($remote, '/') . '/index.php/apps/circles/circles/payload/'; |
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} |
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/** |
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* requestLink() |
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* |
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* |
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* @param Circle $circle |
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* @param FederatedLink $link |
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* |
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* @return int |
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* @throws Exception |
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*/ |
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private function requestLink(Circle $circle, FederatedLink &$link) { |
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$args = [ |
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'token' => $link->getToken(), |
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'uniqueId' => $circle->getUniqueId(), |
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'sourceName' => $circle->getName(), |
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'linkTo' => $link->getRemoteCircleName(), |
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'address' => $link->getLocalAddress() |
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]; |
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$client = $this->clientService->newClient(); |
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try { |
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$request = $client->put( |
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$this->generateLinkRemoteURL($link->getAddress()), [ |
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'body' => $args, |
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'timeout' => 10, |
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'connect_timeout' => 10, |
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] |
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); |
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$result = json_decode($request->getBody(), true); |
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$link->setStatus($result['status']); |
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if (!$link->isValid()) { |
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$this->parsingRequestLinkResult($result); |
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} |
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$link->setUniqueId($result['uniqueId']); |
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$this->federatedLinksRequest->update($link); |
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return true; |
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} catch (Exception $e) { |
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throw $e; |
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} |
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} |
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private function parsingRequestLinkResult($result) { |
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if ($result['reason'] === 'federated_not_allowed') { |
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throw new FederatedRemoteDoesNotAllowException( |
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$this->l10n->t('Federated circles are not allowed on the remote Nextcloud') |
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); |
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} |
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if ($result['reason'] === 'duplicate_unique_id') { |
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throw new FederatedRemoteDoesNotAllowException( |
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$this->l10n->t('It seems that you are trying to link a circle to itself') |
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); |
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} |
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if ($result['reason'] === 'duplicate_link') { |
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throw new FederatedRemoteDoesNotAllowException( |
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$this->l10n->t('This link exists already') |
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); |
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} |
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if ($result['reason'] === 'circle_does_not_exist') { |
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throw new FederatedRemoteCircleDoesNotExistException( |
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$this->l10n->t('The requested remote circle does not exist') |
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); |
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} |
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throw new Exception($result['reason']); |
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} |
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310
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311
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/** |
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* Create a new link into database and assign the correct status. |
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* |
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* @param Circle $circle |
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* @param FederatedLink $link |
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* |
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* @return bool |
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*/ |
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public function initiateLink(Circle $circle, FederatedLink &$link) { |
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321
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$link->setCircleId($circle->getId()); |
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if ($circle->getType() === Circle::CIRCLES_PUBLIC) { |
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$link->setStatus(FederatedLink::STATUS_LINK_UP); |
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} else { |
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$link->setStatus(FederatedLink::STATUS_REQUEST_SENT); |
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} |
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return $this->federatedLinksRequest->create($link); |
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} |
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332
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/** |
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* @param string $token |
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* @param string $uniqueId |
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* @param SharingFrame $frame |
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* |
338
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* @return bool |
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* @throws Exception |
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*/ |
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public function receiveFrame(string $token, string $uniqueId, SharingFrame &$frame) { |
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$link = $this->circlesRequest->getLinkFromToken($token, $uniqueId); |
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if ($link === null) { |
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return false; |
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// TODO: throw Exception |
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} |
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349
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if ($this->circlesRequest->getFrame($link->getCircleId(), $frame->getUniqueId())) { |
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$this->miscService->log("FRAME ALREADY EXIST !!!"); |
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return false; |
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// TODO: throw Exception |
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} |
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356
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357
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$circle = $this->circlesRequest->getDetails($link->getCircleId()); |
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if ($circle === null) { |
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throw new Exception('unknown_circle'); |
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} |
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$frame->setCircleId($link->getCircleId()); |
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$frame->setCircleName($circle->getName()); |
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$this->circlesRequest->saveFrame($frame); |
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$this->broadcastService->broadcastFrame($frame->getHeader('broadcast'), $frame); |
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366
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$this->sendRemoteShare($frame); |
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return true; |
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} |
370
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371
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/** |
372
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* @param $circleId |
373
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* @param $uniqueId |
374
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* |
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* @return FederatedLink |
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|
376
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*/ |
377
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|
public function getLink($circleId, $uniqueId) { |
378
|
|
|
return $this->federatedLinksRequest->getFromUniqueId($circleId, $uniqueId); |
379
|
|
|
} |
380
|
|
|
|
381
|
|
|
|
382
|
|
|
/** |
383
|
|
|
* @param $circleId |
384
|
|
|
* |
385
|
|
|
* @return FederatedLink[] |
386
|
|
|
*/ |
387
|
|
|
public function getLinks($circleId) { |
388
|
|
|
return $this->federatedLinksRequest->getLinked($circleId); |
389
|
|
|
} |
390
|
|
|
|
391
|
|
|
|
392
|
|
|
/** |
393
|
|
|
* @param int $circleId |
394
|
|
|
* @param string $uniqueId |
395
|
|
|
* |
396
|
|
|
* @return bool |
397
|
|
|
* @throws Exception |
398
|
|
|
*/ |
399
|
|
|
public function initiateRemoteShare(int $circleId, string $uniqueId) { |
400
|
|
|
$args = [ |
401
|
|
|
'circleId' => $circleId, |
402
|
|
|
'uniqueId' => $uniqueId |
403
|
|
|
]; |
404
|
|
|
|
405
|
|
|
$client = $this->clientService->newClient(); |
406
|
|
|
try { |
407
|
|
|
$request = $client->post( |
408
|
|
|
$this->generatePayloadDeliveryURL($this->serverHost), [ |
409
|
|
|
'body' => $args, |
410
|
|
|
'timeout' => 10, |
411
|
|
|
'connect_timeout' => 10, |
412
|
|
|
] |
413
|
|
|
); |
414
|
|
|
|
415
|
|
|
$result = json_decode($request->getBody(), true); |
416
|
|
|
$this->miscService->log( |
417
|
|
|
"initiateRemoteShare result: " . $uniqueId . ' ---- ' . var_export($result, true) |
418
|
|
|
); |
419
|
|
|
|
420
|
|
|
return true; |
421
|
|
|
} catch (Exception $e) { |
422
|
|
|
throw $e; |
423
|
|
|
} |
424
|
|
|
} |
425
|
|
|
|
426
|
|
|
|
427
|
|
|
/** |
428
|
|
|
* @param SharingFrame $frame |
429
|
|
|
* |
430
|
|
|
* @throws Exception |
431
|
|
|
*/ |
432
|
|
|
public function sendRemoteShare(SharingFrame $frame) { |
433
|
|
|
|
434
|
|
|
$circle = $this->circlesRequest->getDetails($frame->getCircleId()); |
435
|
|
|
if ($circle === null) { |
436
|
|
|
throw new Exception('unknown_circle'); |
437
|
|
|
} |
438
|
|
|
|
439
|
|
|
$links = $this->getLinks($frame->getCircleId()); |
440
|
|
|
foreach ($links AS $link) { |
441
|
|
|
|
442
|
|
|
$args = [ |
443
|
|
|
'token' => $link->getToken(), |
444
|
|
|
'uniqueId' => $circle->getUniqueId(), |
445
|
|
|
'item' => json_encode($frame) |
446
|
|
|
]; |
447
|
|
|
|
448
|
|
|
$client = $this->clientService->newClient(); |
449
|
|
|
try { |
450
|
|
|
$request = $client->put( |
|
|
|
|
451
|
|
|
$this->generatePayloadDeliveryURL($link->getAddress()), [ |
452
|
|
|
'body' => $args, |
453
|
|
|
'timeout' => 10, |
454
|
|
|
'connect_timeout' => 10, |
455
|
|
|
] |
456
|
|
|
); |
457
|
|
|
} catch (Exception $e) { |
458
|
|
|
throw $e; |
459
|
|
|
} |
460
|
|
|
} |
461
|
|
|
} |
462
|
|
|
|
463
|
|
|
|
464
|
|
|
/** |
465
|
|
|
* generateHeaders() |
466
|
|
|
* |
467
|
|
|
* Generate new headers for the current Payload, and save them in the SharingFrame. |
468
|
|
|
* |
469
|
|
|
* @param SharingFrame $frame |
470
|
|
|
*/ |
471
|
|
|
public function updateFrameWithCloudId(SharingFrame $frame) { |
472
|
|
|
$frame->setCloudId($this->serverHost); |
473
|
|
|
$this->circlesRequest->updateFrame($frame); |
474
|
|
|
} |
475
|
|
|
|
476
|
|
|
} |
This check looks from parameters that have been defined for a function or method, but which are not used in the method body.