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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 OCA\Circles\Db\CirclesRequest; |
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use OCA\Circles\Exceptions\BroadcasterIsNotCompatibleException; |
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use OCA\Circles\Exceptions\MemberDoesNotExistException; |
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use OCA\Circles\Exceptions\SharingFrameAlreadyDeliveredException; |
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use OCA\Circles\Exceptions\SharingFrameDoesNotExistException; |
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use OCA\Circles\IBroadcaster; |
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use OCA\Circles\Model\Circle; |
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use OCA\Circles\Model\Member; |
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use OCA\Circles\Model\SharingFrame; |
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class SharesService { |
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/** @var string */ |
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private $userId; |
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/** @var ConfigService */ |
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private $configService; |
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/** @var CirclesRequest */ |
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private $circlesRequest; |
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/** @var BroadcastService */ |
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private $broadcastService; |
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/** @var FederatedService */ |
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private $federatedService; |
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/** @var MiscService */ |
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private $miscService; |
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/** |
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* SharesService constructor. |
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* |
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* @param string $userId |
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* @param ConfigService $configService |
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* @param CirclesRequest $circlesRequest |
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* @param BroadcastService $broadcastService |
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* @param FederatedService $federatedService |
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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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ConfigService $configService, |
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CirclesRequest $circlesRequest, |
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BroadcastService $broadcastService, |
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FederatedService $federatedService, |
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MiscService $miscService |
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) { |
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$this->userId = (string)$userId; |
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$this->configService = $configService; |
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$this->circlesRequest = $circlesRequest; |
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$this->broadcastService = $broadcastService; |
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$this->federatedService = $federatedService; |
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$this->miscService = $miscService; |
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} |
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/** |
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* createFrame() |
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* |
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* Save the Frame containing the Payload. |
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* The Payload will be shared locally, and spread it live if a Broadcaster is set. |
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* Function will also initiate the federated broadcast to linked circles. |
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* |
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* @param SharingFrame $frame |
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* @param string|null $broadcast |
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* |
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* @throws Exception |
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*/ |
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public function createFrame(SharingFrame $frame, $broadcast = null) { |
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$circle = $this->circlesRequest->getCircle($frame->getCircleId(), $this->userId); |
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if ($circle->getHigherViewer() |
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->getLevel() < Member::LEVEL_MEMBER |
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) { |
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throw new MemberDoesNotExistException(); |
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} |
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try { |
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$this->generateHeaders($frame, $circle, $broadcast); |
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$this->circlesRequest->saveFrame($frame); |
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$this->broadcastService->broadcastFrame($frame->getHeader('broadcast'), $frame); |
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if ($this->configService->isFederatedCirclesAllowed()) { |
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$this->federatedService->initiateRemoteShare( |
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$circle->getUniqueId(), $frame->getUniqueId() |
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); |
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} |
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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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* Generate Headers and few more thing like UniqueId and Author. |
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* Check if the source is NOT Circles. |
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* |
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* @param SharingFrame $frame |
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* @param Circle $circle |
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* @param $broadcast |
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*/ |
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private function generateHeaders(SharingFrame $frame, Circle $circle, $broadcast) { |
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try { |
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$frame->cannotBeFromCircles(); |
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$frame->setAuthor($this->userId); |
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$frame->setHeader('author', $this->userId); |
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$frame->setHeader('circleName', $circle->getName()); |
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$frame->setHeader('circleUniqueId', $circle->getUniqueId()); |
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$frame->setHeader('broadcast', (string)$broadcast); |
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$frame->generateUniqueId(); |
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$frame->setCircleName($circle->getName()); |
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} catch (Exception $e) { |
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throw new $e; |
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} |
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} |
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/** |
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* @param string $circleUniqueId |
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* @param string $frameUniqueId |
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* |
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* @return null|SharingFrame |
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* @throws SharingFrameAlreadyDeliveredException |
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* @throws SharingFrameDoesNotExistException |
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*/ |
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public function getFrameFromUniqueId($circleUniqueId, $frameUniqueId) { |
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if ($frameUniqueId === null || $frameUniqueId === '') { |
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throw new SharingFrameDoesNotExistException('unknown_share'); |
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} |
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try { |
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$frame = $this->circlesRequest->getFrame($circleUniqueId, $frameUniqueId); |
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if ($frame->getCloudId() !== null) { |
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throw new SharingFrameAlreadyDeliveredException('share_already_delivered'); |
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} |
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} catch (SharingFrameDoesNotExistException $e) { |
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throw new SharingFrameDoesNotExistException('unknown_share'); |
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} |
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return $frame; |
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} |
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} |
nextcloud /
circles
