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Synchronize operation on live photo files
Signed-off-by: Louis Chemineau <louis@chmn.me>
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,252 @@ | ||
| <?php | ||
|
|
||
| declare(strict_types=1); | ||
| /** | ||
| * @copyright Copyright (c) 2022 Julius Härtl <jus@bitgrid.net> | ||
| * | ||
| * @author Julius Härtl <jus@bitgrid.net> | ||
| * | ||
| * @license GNU AGPL version 3 or any later version | ||
| * | ||
| * This program is free software: you can redistribute it and/or modify | ||
| * it under the terms of the GNU Affero General Public License as | ||
| * published by the Free Software Foundation, either version 3 of the | ||
| * License, or (at your option) any later version. | ||
| * | ||
| * 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 | ||
| * along with this program. If not, see <http://www.gnu.org/licenses/>. | ||
| */ | ||
|
|
||
| namespace OCA\Files\Listener; | ||
|
|
||
| use OCA\Files_Trashbin\Events\BeforeNodeRestoredEvent; | ||
| use OCA\Files_Trashbin\Trash\ITrashItem; | ||
| use OCA\Files_Trashbin\Trash\ITrashManager; | ||
| use OCP\EventDispatcher\Event; | ||
| use OCP\EventDispatcher\IEventListener; | ||
| use OCP\Files\Cache\CacheEntryRemovedEvent; | ||
| use OCP\Files\Events\Node\BeforeNodeDeletedEvent; | ||
| use OCP\Files\Events\Node\BeforeNodeRenamedEvent; | ||
| use OCP\Files\Folder; | ||
| use OCP\Files\Node; | ||
| use OCP\Files\NotFoundException; | ||
| use OCP\Files\NotPermittedException; | ||
| use OCP\FilesMetadata\Exceptions\FilesMetadataNotFoundException; | ||
| use OCP\FilesMetadata\IFilesMetadataManager; | ||
| use OCP\IUserSession; | ||
|
|
||
| /** | ||
| * @template-implements IEventListener<Event> | ||
| */ | ||
| class SyncLivePhotosListener implements IEventListener { | ||
| /** @var Array<int, string> */ | ||
| private $pendingRenames = []; | ||
| /** @var Array<int, bool> */ | ||
| private $pendingDeletion = []; | ||
| /** @var Array<int, bool> */ | ||
| private $pendingRestores = []; | ||
|
|
||
| public function __construct( | ||
| private ?Folder $userFolder, | ||
| private ?IUserSession $userSession, | ||
| private ITrashManager $trashManager, | ||
| private IFilesMetadataManager $filesMetadataManager, | ||
| ) { | ||
| } | ||
|
|
||
| public function handle(Event $event): void { | ||
| if ($this->userFolder === null || $this->userSession === null) { | ||
| return; | ||
| } | ||
|
|
||
| $peerFile = null; | ||
|
|
||
| if ($event instanceof BeforeNodeRenamedEvent) { | ||
| $peerFile = $this->getLivePhotoPeer($event->getSource()->getId()); | ||
| } elseif ($event instanceof BeforeNodeRestoredEvent) { | ||
| $peerFile = $this->getLivePhotoPeer($event->getSource()->getId()); | ||
| } elseif ($event instanceof BeforeNodeDeletedEvent) { | ||
| $peerFile = $this->getLivePhotoPeer($event->getNode()->getId()); | ||
| } elseif ($event instanceof CacheEntryRemovedEvent) { | ||
| $peerFile = $this->getLivePhotoPeer($event->getFileId()); | ||
| } else { | ||
| return; | ||
| } | ||
|
|
||
| if ($peerFile === null) { | ||
| return; | ||
| } | ||
|
|
||
| if ($event instanceof BeforeNodeRenamedEvent) { | ||
| $sourceFile = $event->getSource(); | ||
| $targetFile = $event->getTarget(); | ||
| $targetParent = $targetFile->getParent(); | ||
| $sourceExtension = $sourceFile->getExtension(); | ||
| $peerFileExtension = $peerFile->getExtension(); | ||
| $targetName = $targetFile->getName(); | ||
| $targetPath = $targetFile->getPath(); | ||
|
|
||
| // Prevent rename of the .mov file if the peer file do not have the same path. | ||
| if ($sourceFile->getMimetype() === 'video/quicktime') { | ||
| $peerFilePath = $this->pendingRenames[$peerFile->getId()] ?? $peerFile->getPath(); | ||
| $targetPathWithoutExtension = preg_replace("/\.$sourceExtension$/", '', $targetPath); | ||
| $peerFilePathWithoutExtension = preg_replace("/\.$peerFileExtension$/", '', $peerFilePath); | ||
|
|
||
| if ($targetPathWithoutExtension !== $peerFilePathWithoutExtension) { | ||
| $event->abortOperation(new NotPermittedException("The video part of a live photo need to have the same name as the image")); | ||
| } | ||
|
|
||
| unset($this->pendingRenames[$peerFile->getId()]); | ||
| return; | ||
| } | ||
|
|
||
| if (!str_ends_with($targetName, ".".$sourceExtension)) { | ||
| $event->abortOperation(new NotPermittedException("Cannot change the extension of a live photo")); | ||
| } | ||
|
|
||
| try { | ||
| $targetParent->get($targetName); | ||
| $event->abortOperation(new NotPermittedException("A file already exist at destination path")); | ||
| } catch (NotFoundException $ex) { | ||
| } | ||
| try { | ||
| $peerTargetName = preg_replace("/\.$sourceExtension$/", '.mov', $targetName); | ||
| $targetParent->get($peerTargetName); | ||
| $event->abortOperation(new NotPermittedException("A file already exist at destination path")); | ||
| } catch (NotFoundException $ex) { | ||
| } | ||
|
|
||
| $peerTargetPath = preg_replace("/\.$sourceExtension$/", '.mov', $targetPath); | ||
| $this->pendingRenames[$sourceFile->getId()] = $targetPath; | ||
| try { | ||
| $peerFile->move($peerTargetPath); | ||
| } catch (\Throwable $ex) { | ||
| $event->abortOperation($ex); | ||
| } | ||
| return; | ||
| } | ||
|
|
||
| if ($event instanceof BeforeNodeDeletedEvent) { | ||
| $deletedFile = $event->getNode(); | ||
| if ($deletedFile->getMimetype() === 'video/quicktime') { | ||
| if (isset($this->pendingDeletion[$peerFile->getId()])) { | ||
| unset($this->pendingDeletion[$peerFile->getId()]); | ||
| return; | ||
| } else { | ||
| $event->abortOperation(new NotPermittedException("Cannot delete the video part of a live photo")); | ||
| } | ||
| } else { | ||
| $this->pendingDeletion[$deletedFile->getId()] = true; | ||
| try { | ||
| $peerFile->delete(); | ||
| } catch (\Throwable $ex) { | ||
| $event->abortOperation($ex); | ||
| } | ||
| } | ||
| return; | ||
| } | ||
|
|
||
| if ($event instanceof CacheEntryRemovedEvent) { | ||
| $peerFile->delete(); | ||
| } | ||
|
|
||
| if ($event instanceof BeforeNodeRestoredEvent) { | ||
| $sourceFile = $event->getSource(); | ||
|
|
||
| if ($sourceFile->getMimetype() === 'video/quicktime') { | ||
| if (isset($this->pendingRestores[$peerFile->getId()])) { | ||
| unset($this->pendingRestores[$peerFile->getId()]); | ||
| return; | ||
| } else { | ||
| $event->abortOperation(new NotPermittedException("Cannot restore the video part of a live photo")); | ||
| } | ||
| } else { | ||
| $user = $this->userSession->getUser(); | ||
| if ($user === null) { | ||
| return; | ||
| } | ||
|
|
||
| $peerTrashItem = $this->trashManager->getTrashNodeById($user, $peerFile->getId()); | ||
|
|
||
| // Peer file in not in the bin, no need to restore it. | ||
| if ($peerTrashItem === null) { | ||
| return; | ||
| } | ||
|
|
||
| $trashRoot = $this->trashManager->listTrashRoot($user); | ||
| $trashItem = $this->getTrashItem($trashRoot, $peerFile->getInternalPath()); | ||
|
|
||
| if ($trashItem === null) { | ||
| $event->abortOperation(new NotFoundException("Couldn't find peer file in trashbin")); | ||
| } | ||
|
|
||
| $this->pendingRestores[$sourceFile->getId()] = true; | ||
| try { | ||
| $this->trashManager->restoreItem($trashItem); | ||
| } catch (\Throwable $ex) { | ||
| $event->abortOperation($ex); | ||
| } | ||
| } | ||
| } | ||
| } | ||
|
|
||
| private function getLivePhotoPeer(int $nodeId): ?Node { | ||
| if ($this->userFolder === null || $this->userSession === null) { | ||
| return null; | ||
| } | ||
|
|
||
| try { | ||
| $metadata = $this->filesMetadataManager->getMetadata($nodeId); | ||
| } catch (FilesMetadataNotFoundException $ex) { | ||
| return null; | ||
| } | ||
|
|
||
| if (!$metadata->hasKey('files-live-photo')) { | ||
| return null; | ||
| } | ||
|
|
||
| $peerFileId = (int)$metadata->getString('files-live-photo'); | ||
|
|
||
| // Check the user's folder. | ||
| $nodes = $this->userFolder->getById($peerFileId); | ||
| if (count($nodes) !== 0) { | ||
| return $nodes[0]; | ||
| } | ||
|
|
||
| // Check the user's trashbin. | ||
| $user = $this->userSession->getUser(); | ||
| if ($user !== null) { | ||
| $peerFile = $this->trashManager->getTrashNodeById($user, $peerFileId); | ||
| if ($peerFile !== null) { | ||
| return $peerFile; | ||
| } | ||
| } | ||
|
|
||
| $metadata->unset('files-live-photo'); | ||
| return null; | ||
| } | ||
|
|
||
| private function getTrashItem(array $trashFolder, string $path): ?ITrashItem { | ||
| foreach($trashFolder as $trashItem) { | ||
| if (str_starts_with($path, "files_trashbin/files".$trashItem->getTrashPath())) { | ||
| if ($path === "files_trashbin/files".$trashItem->getTrashPath()) { | ||
| return $trashItem; | ||
| } | ||
|
|
||
| if ($trashItem instanceof Folder) { | ||
| $node = $this->getTrashItem($trashItem->getDirectoryListing(), $path); | ||
| if ($node !== null) { | ||
| return $node; | ||
| } | ||
| } | ||
| } | ||
| } | ||
|
|
||
| return null; | ||
| } | ||
| } |
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52 changes: 52 additions & 0 deletions
52
apps/files_trashbin/lib/Events/BeforeNodeRestoredEvent.php
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,52 @@ | ||
| <?php | ||
|
|
||
| declare(strict_types=1); | ||
|
|
||
| /** | ||
| * @copyright Copyright (c) 2020, Roeland Jago Douma <roeland@famdouma.nl> | ||
| * | ||
| * @author Roeland Jago Douma <roeland@famdouma.nl> | ||
| * | ||
| * @license GNU AGPL version 3 or any later version | ||
| * | ||
| * This program is free software: you can redistribute it and/or modify | ||
| * it under the terms of the GNU Affero General Public License as | ||
| * published by the Free Software Foundation, either version 3 of the | ||
| * License, or (at your option) any later version. | ||
| * | ||
| * 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 | ||
| * along with this program. If not, see <http://www.gnu.org/licenses/>. | ||
| * | ||
| */ | ||
| namespace OCA\Files_Trashbin\Events; | ||
|
|
||
| use Exception; | ||
| use OCP\Files\Events\Node\AbstractNodesEvent; | ||
| use OCP\Files\Node; | ||
|
|
||
| /** | ||
| * @since 28.0.0 | ||
| */ | ||
| class BeforeNodeRestoredEvent extends AbstractNodesEvent { | ||
| public function __construct(Node $source, Node $target, private bool &$run) { | ||
| parent::__construct($source, $target); | ||
| } | ||
|
|
||
| /** | ||
| * @return never | ||
| */ | ||
| public function abortOperation(\Throwable $ex = null) { | ||
| $this->stopPropagation(); | ||
| $this->run = false; | ||
| if ($ex !== null) { | ||
| throw $ex; | ||
| } else { | ||
| throw new Exception('Operation aborted'); | ||
| } | ||
| } | ||
| } |
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