diff options
Diffstat (limited to 'apps/files_sharing/lib/MountProvider.php')
-rw-r--r-- | apps/files_sharing/lib/MountProvider.php | 192 |
1 files changed, 110 insertions, 82 deletions
diff --git a/apps/files_sharing/lib/MountProvider.php b/apps/files_sharing/lib/MountProvider.php index 05328872c15..b7b0582493e 100644 --- a/apps/files_sharing/lib/MountProvider.php +++ b/apps/files_sharing/lib/MountProvider.php @@ -1,108 +1,88 @@ <?php + /** - * @copyright Copyright (c) 2016, ownCloud, Inc. - * - * @author Christoph Wurst <christoph@winzerhof-wurst.at> - * @author Joas Schilling <coding@schilljs.com> - * @author Julius Härtl <jus@bitgrid.net> - * @author Maxence Lange <maxence@nextcloud.com> - * @author Morris Jobke <hey@morrisjobke.de> - * @author Robin Appelman <robin@icewind.nl> - * @author Roeland Jago Douma <roeland@famdouma.nl> - * @author Vincent Petry <vincent@nextcloud.com> - * - * @license AGPL-3.0 - * - * This code is free software: you can redistribute it and/or modify - * it under the terms of the GNU Affero General Public License, version 3, - * as published by the Free Software Foundation. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU Affero General Public License for more details. - * - * You should have received a copy of the GNU Affero General Public License, version 3, - * along with this program. If not, see <http://www.gnu.org/licenses/> - * + * SPDX-FileCopyrightText: 2016-2024 Nextcloud GmbH and Nextcloud contributors + * SPDX-FileCopyrightText: 2016 ownCloud, Inc. + * SPDX-License-Identifier: AGPL-3.0-only */ - namespace OCA\Files_Sharing; -use OC\Cache\CappedMemoryCache; use OC\Files\View; +use OCA\Files_Sharing\Event\ShareMountedEvent; +use OCP\Cache\CappedMemoryCache; +use OCP\EventDispatcher\IEventDispatcher; use OCP\Files\Config\IMountProvider; +use OCP\Files\Mount\IMountManager; +use OCP\Files\Mount\IMountPoint; use OCP\Files\Storage\IStorageFactory; +use OCP\ICacheFactory; use OCP\IConfig; -use OCP\ILogger; use OCP\IUser; use OCP\Share\IManager; use OCP\Share\IShare; +use Psr\Log\LoggerInterface; class MountProvider implements IMountProvider { /** - * @var \OCP\IConfig - */ - protected $config; - - /** - * @var IManager - */ - protected $shareManager; - - /** - * @var ILogger - */ - protected $logger; - - /** - * @param \OCP\IConfig $config + * @param IConfig $config * @param IManager $shareManager - * @param ILogger $logger + * @param LoggerInterface $logger */ - public function __construct(IConfig $config, IManager $shareManager, ILogger $logger) { - $this->config = $config; - $this->shareManager = $shareManager; - $this->logger = $logger; + public function __construct( + protected IConfig $config, + protected IManager $shareManager, + protected LoggerInterface $logger, + protected IEventDispatcher $eventDispatcher, + protected ICacheFactory $cacheFactory, + protected IMountManager $mountManager, + ) { } - /** * Get all mountpoints applicable for the user and check for shares where we need to update the etags * - * @param \OCP\IUser $user - * @param \OCP\Files\Storage\IStorageFactory $loader - * @return \OCP\Files\Mount\IMountPoint[] + * @param IUser $user + * @param IStorageFactory $loader + * @return IMountPoint[] */ public function getMountsForUser(IUser $user, IStorageFactory $loader) { - $shares = $this->shareManager->getSharedWith($user->getUID(), IShare::TYPE_USER, null, -1); - $shares = array_merge($shares, $this->shareManager->getSharedWith($user->getUID(), IShare::TYPE_GROUP, null, -1)); - $shares = array_merge($shares, $this->shareManager->getSharedWith($user->getUID(), IShare::TYPE_CIRCLE, null, -1)); - $shares = array_merge($shares, $this->shareManager->getSharedWith($user->getUID(), IShare::TYPE_ROOM, null, -1)); - $shares = array_merge($shares, $this->shareManager->getSharedWith($user->getUID(), IShare::TYPE_DECK, null, -1)); - + $shares = array_merge( + $this->shareManager->getSharedWith($user->getUID(), IShare::TYPE_USER, null, -1), + $this->shareManager->getSharedWith($user->getUID(), IShare::TYPE_GROUP, null, -1), + $this->shareManager->getSharedWith($user->getUID(), IShare::TYPE_CIRCLE, null, -1), + $this->shareManager->getSharedWith($user->getUID(), IShare::TYPE_ROOM, null, -1), + $this->shareManager->getSharedWith($user->getUID(), IShare::TYPE_DECK, null, -1), + $this->shareManager->getSharedWith($user->getUID(), IShare::TYPE_SCIENCEMESH, null, -1), + ); // filter out excluded shares and group shares that includes self - $shares = array_filter($shares, function (\OCP\Share\IShare $share) use ($user) { - return $share->getPermissions() > 0 && $share->getShareOwner() !== $user->getUID(); + $shares = array_filter($shares, function (IShare $share) use ($user) { + return $share->getPermissions() > 0 && $share->getShareOwner() !== $user->getUID() && $share->getSharedBy() !== $user->getUID(); }); $superShares = $this->buildSuperShares($shares, $user); + $otherMounts = $this->mountManager->getAll(); $mounts = []; $view = new View('/' . $user->getUID() . '/files'); $ownerViews = []; $sharingDisabledForUser = $this->shareManager->sharingDisabledForUser($user->getUID()); + /** @var CappedMemoryCache<bool> $folderExistCache */ $foldersExistCache = new CappedMemoryCache(); + + $validShareCache = $this->cacheFactory->createLocal('share-valid-mountpoint-max'); + $maxValidatedShare = $validShareCache->get($user->getUID()) ?? 0; + $newMaxValidatedShare = $maxValidatedShare; + foreach ($superShares as $share) { try { - /** @var \OCP\Share\IShare $parentShare */ + /** @var IShare $parentShare */ $parentShare = $share[0]; - if ($parentShare->getStatus() !== IShare::STATUS_ACCEPTED && - ($parentShare->getShareType() === IShare::TYPE_GROUP || - $parentShare->getShareType() === IShare::TYPE_USERGROUP || - $parentShare->getShareType() === IShare::TYPE_USER)) { + if ($parentShare->getStatus() !== IShare::STATUS_ACCEPTED + && ($parentShare->getShareType() === IShare::TYPE_GROUP + || $parentShare->getShareType() === IShare::TYPE_USERGROUP + || $parentShare->getShareType() === IShare::TYPE_USER)) { continue; } @@ -110,9 +90,10 @@ class MountProvider implements IMountProvider { if (!isset($ownerViews[$owner])) { $ownerViews[$owner] = new View('/' . $parentShare->getShareOwner() . '/files'); } + $shareId = (int)$parentShare->getId(); $mount = new SharedMount( '\OCA\Files_Sharing\SharedStorage', - $mounts, + array_merge($mounts, $otherMounts), [ 'user' => $user->getUID(), // parent share @@ -124,15 +105,34 @@ class MountProvider implements IMountProvider { ], $loader, $view, - $foldersExistCache + $foldersExistCache, + $this->eventDispatcher, + $user, + ($shareId <= $maxValidatedShare), ); + + $newMaxValidatedShare = max($shareId, $newMaxValidatedShare); + + $event = new ShareMountedEvent($mount); + $this->eventDispatcher->dispatchTyped($event); + $mounts[$mount->getMountPoint()] = $mount; + foreach ($event->getAdditionalMounts() as $additionalMount) { + $mounts[$additionalMount->getMountPoint()] = $additionalMount; + } } catch (\Exception $e) { - $this->logger->logException($e); - $this->logger->error('Error while trying to create shared mount'); + $this->logger->error( + 'Error while trying to create shared mount', + [ + 'app' => 'files_sharing', + 'exception' => $e, + ], + ); } } + $validShareCache->set($user->getUID(), $newMaxValidatedShare, 24 * 60 * 60); + // array_filter removes the null values from the array return array_values(array_filter($mounts)); } @@ -140,9 +140,9 @@ class MountProvider implements IMountProvider { /** * Groups shares by path (nodeId) and target path * - * @param \OCP\Share\IShare[] $shares - * @return \OCP\Share\IShare[][] array of grouped shares, each element in the - * array is a group which itself is an array of shares + * @param IShare[] $shares + * @return IShare[][] array of grouped shares, each element in the + * array is a group which itself is an array of shares */ private function groupShares(array $shares) { $tmp = []; @@ -177,16 +177,16 @@ class MountProvider implements IMountProvider { * grouped shares. The most permissive permissions are used based on the permissions * of all shares within the group. * - * @param \OCP\Share\IShare[] $allShares - * @param \OCP\IUser $user user + * @param IShare[] $allShares + * @param IUser $user user * @return array Tuple of [superShare, groupedShares] */ - private function buildSuperShares(array $allShares, \OCP\IUser $user) { + private function buildSuperShares(array $allShares, IUser $user) { $result = []; $groupedShares = $this->groupShares($allShares); - /** @var \OCP\Share\IShare[] $shares */ + /** @var IShare[] $shares */ foreach ($groupedShares as $shares) { if (count($shares) === 0) { continue; @@ -201,15 +201,42 @@ class MountProvider implements IMountProvider { ->setShareType($shares[0]->getShareType()) ->setTarget($shares[0]->getTarget()); + // Gather notes from all the shares. + // Since these are readly available here, storing them + // enables the DAV FilesPlugin to avoid executing many + // DB queries to retrieve the same information. + $allNotes = implode("\n", array_map(function ($sh) { + return $sh->getNote(); + }, $shares)); + $superShare->setNote($allNotes); + // use most permissive permissions - $permissions = 0; + // this covers the case where there are multiple shares for the same + // file e.g. from different groups and different permissions + $superPermissions = 0; + $superAttributes = $this->shareManager->newShare()->newAttributes(); $status = IShare::STATUS_PENDING; foreach ($shares as $share) { - $permissions |= $share->getPermissions(); + $superPermissions |= $share->getPermissions(); $status = max($status, $share->getStatus()); + // update permissions + $superPermissions |= $share->getPermissions(); + + // update share permission attributes + $attributes = $share->getAttributes(); + if ($attributes !== null) { + foreach ($attributes->toArray() as $attribute) { + if ($superAttributes->getAttribute($attribute['scope'], $attribute['key']) === true) { + // if super share attribute is already enabled, it is most permissive + continue; + } + // update supershare attributes with subshare attribute + $superAttributes->setAttribute($attribute['scope'], $attribute['key'], $attribute['value']); + } + } + // adjust target, for database consistency if needed if ($share->getTarget() !== $superShare->getTarget()) { - // adjust target, for database consistency $share->setTarget($superShare->getTarget()); try { $this->shareManager->moveShare($share, $user->getUID()); @@ -234,8 +261,9 @@ class MountProvider implements IMountProvider { } } - $superShare->setPermissions($permissions) - ->setStatus($status); + $superShare->setPermissions($superPermissions); + $superShare->setStatus($status); + $superShare->setAttributes($superAttributes); $result[] = [$superShare, $shares]; } |