Active share validation/authoritative mount improvements

apps/files/lib/Command/Mount/ListMounts.php

@@ -8,17 +8,18 @@
 
 namespace OCA\Files\Command\Mount;
 
+use OC\Core\Command\Base;
 use OCP\Files\Config\ICachedMountInfo;
 use OCP\Files\Config\IMountProviderCollection;
 use OCP\Files\Config\IUserMountCache;
 use OCP\Files\Mount\IMountPoint;
 use OCP\IUserManager;
-use Symfony\Component\Console\Command\Command;
 use Symfony\Component\Console\Input\InputArgument;
 use Symfony\Component\Console\Input\InputInterface;
+use Symfony\Component\Console\Input\InputOption;
 use Symfony\Component\Console\Output\OutputInterface;
 
-class ListMounts extends Command {
+class ListMounts extends Base {
 	public function __construct(
 		private readonly IUserManager $userManager,
 		private readonly IUserMountCache $userMountCache,
@@ -28,52 +29,81 @@ public function __construct(
 	}
 
 	protected function configure(): void {
+		parent::configure();
 		$this
 			->setName('files:mount:list')
 			->setDescription('List of mounts for a user')
-			->addArgument('user', InputArgument::REQUIRED, 'User to list mounts for');
+			->addArgument('user', InputArgument::REQUIRED, 'User to list mounts for')
+			->addOption('cached-only', null, InputOption::VALUE_NONE, 'Only return cached mounts, prevents filesystem setup');
 	}
 
 	public function execute(InputInterface $input, OutputInterface $output): int {
 		$userId = $input->getArgument('user');
+		$cachedOnly = $input->getOption('cached-only');
 		$user = $this->userManager->get($userId);
 		if (!$user) {
 			$output->writeln("<error>User $userId not found</error>");
 			return 1;
 		}
 
-		$mounts = $this->mountProviderCollection->getMountsForUser($user);
-		$mounts[] = $this->mountProviderCollection->getHomeMountForUser($user);
-		/** @var array<string, IMountPoint> $cachedByMountpoint */
-		$mountsByMountpoint = array_combine(array_map(fn (IMountPoint $mount) => $mount->getMountPoint(), $mounts), $mounts);
+		if ($cachedOnly) {
+			$mounts = [];
+		} else {
+			$mounts = $this->mountProviderCollection->getMountsForUser($user);
+			$mounts[] = $this->mountProviderCollection->getHomeMountForUser($user);
+		}
+		/** @var array<string, IMountPoint> $cachedByMountPoint */
+		$mountsByMountPoint = array_combine(array_map(fn (IMountPoint $mount) => $mount->getMountPoint(), $mounts), $mounts);
 		usort($mounts, fn (IMountPoint $a, IMountPoint $b) => $a->getMountPoint() <=> $b->getMountPoint());
 
 		$cachedMounts = $this->userMountCache->getMountsForUser($user);
 		usort($cachedMounts, fn (ICachedMountInfo $a, ICachedMountInfo $b) => $a->getMountPoint() <=> $b->getMountPoint());
 		/** @var array<string, ICachedMountInfo> $cachedByMountpoint */
-		$cachedByMountpoint = array_combine(array_map(fn (ICachedMountInfo $mount) => $mount->getMountPoint(), $cachedMounts), $cachedMounts);
+		$cachedByMountPoint = array_combine(array_map(fn (ICachedMountInfo $mount) => $mount->getMountPoint(), $cachedMounts), $cachedMounts);
+
+		$format = $input->getOption('output');
 
-		foreach ($mounts as $mount) {
-			$output->writeln('<info>' . $mount->getMountPoint() . '</info>: ' . $mount->getStorageId());
-			if (isset($cachedByMountpoint[$mount->getMountPoint()])) {
-				$cached = $cachedByMountpoint[$mount->getMountPoint()];
-				$output->writeln("\t- provider: " . $cached->getMountProvider());
-				$output->writeln("\t- storage id: " . $cached->getStorageId());
-				$output->writeln("\t- root id: " . $cached->getRootId());
-			} else {
-				$output->writeln("\t<error>not registered</error>");
+		if ($format === self::OUTPUT_FORMAT_PLAIN) {
+			foreach ($mounts as $mount) {
+				$output->writeln('<info>' . $mount->getMountPoint() . '</info>: ' . $mount->getStorageId());
+				if (isset($cachedByMountPoint[$mount->getMountPoint()])) {
+					$cached = $cachedByMountPoint[$mount->getMountPoint()];
+					$output->writeln("\t- provider: " . $cached->getMountProvider());
+					$output->writeln("\t- storage id: " . $cached->getStorageId());
+					$output->writeln("\t- root id: " . $cached->getRootId());
+				} else {
+					$output->writeln("\t<error>not registered</error>");
+				}
 			}
-		}
-		foreach ($cachedMounts as $cachedMount) {
-			if (!isset($mountsByMountpoint[$cachedMount->getMountPoint()])) {
-				$output->writeln('<info>' . $cachedMount->getMountPoint() . '</info>:');
-				$output->writeln("\t<error>registered but no longer provided</error>");
-				$output->writeln("\t- provider: " . $cachedMount->getMountProvider());
-				$output->writeln("\t- storage id: " . $cachedMount->getStorageId());
-				$output->writeln("\t- root id: " . $cachedMount->getRootId());
+			foreach ($cachedMounts as $cachedMount) {
+				if ($cachedOnly || !isset($mountsByMountPoint[$cachedMount->getMountPoint()])) {
+					$output->writeln('<info>' . $cachedMount->getMountPoint() . '</info>:');
+					if (!$cachedOnly) {
+						$output->writeln("\t<error>registered but no longer provided</error>");
+					}
+					$output->writeln("\t- provider: " . $cachedMount->getMountProvider());
+					$output->writeln("\t- storage id: " . $cachedMount->getStorageId());
+					$output->writeln("\t- root id: " . $cachedMount->getRootId());
+				}
 			}
+		} else {
+			$cached = array_map(fn (ICachedMountInfo $cachedMountInfo) => [
+				'mountpoint' => $cachedMountInfo->getMountPoint(),
+				'provider' => $cachedMountInfo->getMountProvider(),
+				'storage_id' => $cachedMountInfo->getStorageId(),
+				'root_id' => $cachedMountInfo->getRootId(),
+			], $cachedMounts);
+			$provided = array_map(fn (IMountPoint $cachedMountInfo) => [
+				'mountpoint' => $cachedMountInfo->getMountPoint(),
+				'provider' => $cachedMountInfo->getMountProvider(),
+				'storage_id' => $cachedMountInfo->getStorageId(),
+				'root_id' => $cachedMountInfo->getStorageRootId(),
+			], $mounts);
+			$this->writeArrayInOutputFormat($input, $output, array_filter([
+				'cached' => $cached,
+				'provided' => $cachedOnly ? null : $provided,
+			]));
 		}
-
 		return 0;
 	}
 

apps/files/lib/Service/OwnershipTransferService.php

@@ -577,14 +577,16 @@ private function restoreShares(
 		$output->writeln('');
 	}
 
-	private function transferIncomingShares(string $sourceUid,
+	private function transferIncomingShares(
+		string $sourceUid,
 		string $destinationUid,
 		array $sourceShares,
 		array $destinationShares,
 		OutputInterface $output,
 		string $path,
 		string $finalTarget,
-		bool $move): void {
+		bool $move,
+	): void {
 		$output->writeln('Restoring incoming shares ...');
 		$progress = new ProgressBar($output, count($sourceShares));
 		$prefix = "$destinationUid/files";
@@ -623,8 +625,11 @@ private function transferIncomingShares(string $sourceUid,
 						if ($move) {
 							continue;
 						}
+						$oldMountPoint = $this->getShareMountPoint($destinationUid, $share->getTarget());
+						$newMountPoint = $this->getShareMountPoint($destinationUid, $shareTarget);
 						$share->setTarget($shareTarget);
 						$this->shareManager->moveShare($share, $destinationUid);
+						$this->mountManager->moveMount($oldMountPoint, $newMountPoint);
 						continue;
 					}
 					$this->shareManager->deleteShare($share);
@@ -642,8 +647,11 @@ private function transferIncomingShares(string $sourceUid,
 					if ($move) {
 						continue;
 					}
+					$oldMountPoint = $this->getShareMountPoint($destinationUid, $share->getTarget());
+					$newMountPoint = $this->getShareMountPoint($destinationUid, $shareTarget);
 					$share->setTarget($shareTarget);
 					$this->shareManager->moveShare($share, $destinationUid);
+					$this->mountManager->moveMount($oldMountPoint, $newMountPoint);
 					continue;
 				}
 			} catch (NotFoundException $e) {
@@ -656,4 +664,8 @@ private function transferIncomingShares(string $sourceUid,
 		$progress->finish();
 		$output->writeln('');
 	}
+
+	private function getShareMountPoint(string $uid, string $target): string {
+		return '/' . $uid . '/files/' . trim($target, '/') . '/';
+	}
 }

apps/files_external/lib/Service/MountCacheService.php

@@ -75,7 +75,7 @@ public function handle(Event $event): void {
 
 	public function handleDeletedStorage(StorageConfig $storage): void {
 		foreach ($this->applicableHelper->getUsersForStorage($storage) as $user) {
-			$this->userMountCache->removeMount($storage->getMountPointForUser($user));
+			$this->userMountCache->removeMount($storage->getMountPointForUser($user), $user);
 		}
 	}
 
@@ -87,7 +87,7 @@ public function handleAddedStorage(StorageConfig $storage): void {
 
 	public function handleUpdatedStorage(StorageConfig $oldStorage, StorageConfig $newStorage): void {
 		foreach ($this->applicableHelper->diffApplicable($oldStorage, $newStorage) as $user) {
-			$this->userMountCache->removeMount($oldStorage->getMountPointForUser($user));
+			$this->userMountCache->removeMount($oldStorage->getMountPointForUser($user), $user);
 		}
 		foreach ($this->applicableHelper->diffApplicable($newStorage, $oldStorage) as $user) {
 			$this->registerForUser($user, $newStorage);
@@ -156,7 +156,7 @@ private function handleUserRemoved(IGroup $group, IUser $user): void {
 		$storages = $this->storagesService->getAllStoragesForGroup($group);
 		foreach ($storages as $storage) {
 			if (!$this->applicableHelper->isApplicableForUser($storage, $user)) {
-				$this->userMountCache->removeMount($storage->getMountPointForUser($user));
+				$this->userMountCache->removeMount($storage->getMountPointForUser($user), $user);
 			}
 		}
 	}
@@ -181,7 +181,7 @@ private function handleGroupDeleted(IGroup $group): void {
 	private function removeGroupFromStorage(StorageConfig $storage, IGroup $group): void {
 		foreach ($group->searchUsers('') as $user) {
 			if (!$this->applicableHelper->isApplicableForUser($storage, $user)) {
-				$this->userMountCache->removeMount($storage->getMountPointForUser($user));
+				$this->userMountCache->removeMount($storage->getMountPointForUser($user), $user);
 			}
 		}
 	}

apps/files_sharing/composer/composer/autoload_classmap.php

@@ -72,6 +72,7 @@
     'OCA\\Files_Sharing\\Listener\\ShareInteractionListener' => $baseDir . '/../lib/Listener/ShareInteractionListener.php',
     'OCA\\Files_Sharing\\Listener\\SharesUpdatedListener' => $baseDir . '/../lib/Listener/SharesUpdatedListener.php',
     'OCA\\Files_Sharing\\Listener\\UserAddedToGroupListener' => $baseDir . '/../lib/Listener/UserAddedToGroupListener.php',
+    'OCA\\Files_Sharing\\Listener\\UserHomeSetupListener' => $baseDir . '/../lib/Listener/UserHomeSetupListener.php',
     'OCA\\Files_Sharing\\Listener\\UserShareAcceptanceListener' => $baseDir . '/../lib/Listener/UserShareAcceptanceListener.php',
     'OCA\\Files_Sharing\\Middleware\\OCSShareAPIMiddleware' => $baseDir . '/../lib/Middleware/OCSShareAPIMiddleware.php',
     'OCA\\Files_Sharing\\Middleware\\ShareInfoMiddleware' => $baseDir . '/../lib/Middleware/ShareInfoMiddleware.php',
@@ -96,6 +97,7 @@
     'OCA\\Files_Sharing\\ResponseDefinitions' => $baseDir . '/../lib/ResponseDefinitions.php',
     'OCA\\Files_Sharing\\Scanner' => $baseDir . '/../lib/Scanner.php',
     'OCA\\Files_Sharing\\Settings\\Personal' => $baseDir . '/../lib/Settings/Personal.php',
+    'OCA\\Files_Sharing\\ShareRecipientUpdater' => $baseDir . '/../lib/ShareRecipientUpdater.php',
     'OCA\\Files_Sharing\\ShareTargetValidator' => $baseDir . '/../lib/ShareTargetValidator.php',
     'OCA\\Files_Sharing\\SharedMount' => $baseDir . '/../lib/SharedMount.php',
     'OCA\\Files_Sharing\\SharedStorage' => $baseDir . '/../lib/SharedStorage.php',

apps/files_sharing/composer/composer/autoload_static.php

@@ -87,6 +87,7 @@ class ComposerStaticInitFiles_Sharing
         'OCA\\Files_Sharing\\Listener\\ShareInteractionListener' => __DIR__ . '/..' . '/../lib/Listener/ShareInteractionListener.php',
         'OCA\\Files_Sharing\\Listener\\SharesUpdatedListener' => __DIR__ . '/..' . '/../lib/Listener/SharesUpdatedListener.php',
         'OCA\\Files_Sharing\\Listener\\UserAddedToGroupListener' => __DIR__ . '/..' . '/../lib/Listener/UserAddedToGroupListener.php',
+        'OCA\\Files_Sharing\\Listener\\UserHomeSetupListener' => __DIR__ . '/..' . '/../lib/Listener/UserHomeSetupListener.php',
         'OCA\\Files_Sharing\\Listener\\UserShareAcceptanceListener' => __DIR__ . '/..' . '/../lib/Listener/UserShareAcceptanceListener.php',
         'OCA\\Files_Sharing\\Middleware\\OCSShareAPIMiddleware' => __DIR__ . '/..' . '/../lib/Middleware/OCSShareAPIMiddleware.php',
         'OCA\\Files_Sharing\\Middleware\\ShareInfoMiddleware' => __DIR__ . '/..' . '/../lib/Middleware/ShareInfoMiddleware.php',
@@ -111,6 +112,7 @@ class ComposerStaticInitFiles_Sharing
         'OCA\\Files_Sharing\\ResponseDefinitions' => __DIR__ . '/..' . '/../lib/ResponseDefinitions.php',
         'OCA\\Files_Sharing\\Scanner' => __DIR__ . '/..' . '/../lib/Scanner.php',
         'OCA\\Files_Sharing\\Settings\\Personal' => __DIR__ . '/..' . '/../lib/Settings/Personal.php',
+        'OCA\\Files_Sharing\\ShareRecipientUpdater' => __DIR__ . '/..' . '/../lib/ShareRecipientUpdater.php',
         'OCA\\Files_Sharing\\ShareTargetValidator' => __DIR__ . '/..' . '/../lib/ShareTargetValidator.php',
         'OCA\\Files_Sharing\\SharedMount' => __DIR__ . '/..' . '/../lib/SharedMount.php',
         'OCA\\Files_Sharing\\SharedStorage' => __DIR__ . '/..' . '/../lib/SharedStorage.php',

apps/files_sharing/lib/AppInfo/Application.php

@@ -26,6 +26,7 @@
 use OCA\Files_Sharing\Listener\ShareInteractionListener;
 use OCA\Files_Sharing\Listener\SharesUpdatedListener;
 use OCA\Files_Sharing\Listener\UserAddedToGroupListener;
+use OCA\Files_Sharing\Listener\UserHomeSetupListener;
 use OCA\Files_Sharing\Listener\UserShareAcceptanceListener;
 use OCA\Files_Sharing\Middleware\OCSShareAPIMiddleware;
 use OCA\Files_Sharing\Middleware\ShareInfoMiddleware;
@@ -45,6 +46,8 @@
 use OCP\Files\Events\BeforeDirectFileDownloadEvent;
 use OCP\Files\Events\BeforeZipCreatedEvent;
 use OCP\Files\Events\Node\BeforeNodeReadEvent;
+use OCP\Files\Events\UserHomeSetupEvent;
+use OCP\Group\Events\BeforeGroupDeletedEvent;
 use OCP\Group\Events\GroupChangedEvent;
 use OCP\Group\Events\GroupDeletedEvent;
 use OCP\Group\Events\UserAddedEvent;
@@ -54,6 +57,7 @@
 use OCP\IGroup;
 use OCP\Share\Events\BeforeShareDeletedEvent;
 use OCP\Share\Events\ShareCreatedEvent;
+use OCP\Share\Events\ShareMovedEvent;
 use OCP\Share\Events\ShareTransferredEvent;
 use OCP\User\Events\UserChangedEvent;
 use OCP\User\Events\UserDeletedEvent;
@@ -119,7 +123,11 @@ function () use ($c) {
 		$context->registerEventListener(ShareTransferredEvent::class, SharesUpdatedListener::class);
 		$context->registerEventListener(UserAddedEvent::class, SharesUpdatedListener::class);
 		$context->registerEventListener(UserRemovedEvent::class, SharesUpdatedListener::class);
+		$context->registerEventListener(BeforeGroupDeletedEvent::class, SharesUpdatedListener::class);
+		$context->registerEventListener(GroupDeletedEvent::class, SharesUpdatedListener::class);
 		$context->registerEventListener(UserShareAccessUpdatedEvent::class, SharesUpdatedListener::class);
+		$context->registerEventListener(ShareMovedEvent::class, SharesUpdatedListener::class);
+		$context->registerEventListener(UserHomeSetupEvent::class, UserHomeSetupListener::class);
 
 		$context->registerConfigLexicon(ConfigLexicon::class);
 	}

apps/files_sharing/lib/Config/ConfigLexicon.php

@@ -24,6 +24,8 @@ class ConfigLexicon implements ILexicon {
 	public const SHOW_FEDERATED_AS_INTERNAL = 'show_federated_shares_as_internal';
 	public const SHOW_FEDERATED_TO_TRUSTED_AS_INTERNAL = 'show_federated_shares_to_trusted_servers_as_internal';
 	public const EXCLUDE_RESHARE_FROM_EDIT = 'shareapi_exclude_reshare_from_edit';
+	public const UPDATE_CUTOFF_TIME = 'update_cutoff_time';
+	public const USER_NEEDS_SHARE_REFRESH = 'user_needs_share_refresh';
 
 	public function getStrictness(): Strictness {
 		return Strictness::IGNORE;
@@ -34,10 +36,14 @@ public function getAppConfigs(): array {
 			new Entry(self::SHOW_FEDERATED_AS_INTERNAL, ValueType::BOOL, false, 'shows federated shares as internal shares', true),
 			new Entry(self::SHOW_FEDERATED_TO_TRUSTED_AS_INTERNAL, ValueType::BOOL, false, 'shows federated shares to trusted servers as internal shares', true),
 			new Entry(self::EXCLUDE_RESHARE_FROM_EDIT, ValueType::BOOL, false, 'Exclude reshare permission from "Allow editing" bundled permissions'),
+
+			new Entry(self::UPDATE_CUTOFF_TIME, ValueType::FLOAT, 3.0, 'Maximum time in second during which we update the share data immediately before switching to only marking the user'),
 		];
 	}
 
 	public function getUserConfigs(): array {
-		return [];
+		return [
+			new Entry(self::USER_NEEDS_SHARE_REFRESH, ValueType::BOOL, true, 'whether a user needs to have the receiving share data refreshed for possible changes'),
+		];
 	}
 }