* This file is licensed under the Affero General Public License version 3 or * later. * See the COPYING-README file. */ namespace OCA\Files_Sharing\Propagation; use OC\Files\Cache\ChangePropagator; use OC\Share\Share; /** * Propagate etags for share recipients */ class RecipientPropagator { /** * @var string */ protected $userId; /** * @var \OC\Files\Cache\ChangePropagator */ protected $changePropagator; /** * @var \OCP\IConfig */ protected $config; /** * @param string $userId current user, must match the propagator's * user * @param \OC\Files\Cache\ChangePropagator $changePropagator change propagator * initialized with a view for $user * @param \OCP\IConfig $config */ public function __construct($userId, $changePropagator, $config) { $this->userId = $userId; $this->changePropagator = $changePropagator; $this->config = $config; } /** * Propagate the etag changes for all shares marked as dirty and mark the shares as clean * * @param array $shares the shares for the users * @param int $time */ public function propagateDirtyMountPoints(array $shares, $time = null) { if ($time === null) { $time = time(); } $dirtyShares = $this->getDirtyShares($shares); foreach ($dirtyShares as $share) { $this->changePropagator->addChange($share['file_target']); } if (count($dirtyShares)) { $this->config->setUserValue($this->userId, 'files_sharing', 'last_propagate', $time); $this->changePropagator->propagateChanges($time); } } /** * Get all shares we need to update the etag for * * @param array $shares the shares for the users * @return string[] */ protected function getDirtyShares($shares) { $dirty = []; $userTime = $this->config->getUserValue($this->userId, 'files_sharing', 'last_propagate', 0); foreach ($shares as $share) { $updateTime = $this->config->getAppValue('files_sharing', $share['id'], 0); if ($updateTime >= $userTime) { $dirty[] = $share; } } return $dirty; } /** * @param array $share * @param int $time */ public function markDirty($share, $time = null) { if ($time === null) { $time = time(); } $this->config->setAppValue('files_sharing', $share['id'], $time); } /** * Listen on the propagator for updates made to shares owned by a user * * @param \OC\Files\Cache\ChangePropagator $propagator * @param string $owner */ public function attachToPropagator(ChangePropagator $propagator, $owner) { $propagator->listen('\OC\Files', 'propagate', function ($path, $entry) use ($owner) { $shares = Share::getAllSharesForFileId($entry['fileid']); foreach ($shares as $share) { $this->markDirty($share, time()); } }); } }