Add source mount provider to the oc_mounts table

apps/files_external/lib/Config/ExternalMountPoint.php

@@ -34,7 +34,7 @@ class ExternalMountPoint extends MountPoint {
 
 	public function __construct(StorageConfig $storageConfig, $storage, $mountpoint, $arguments = null, $loader = null, $mountOptions = null, $mountId = null) {
 		$this->storageConfig = $storageConfig;
-		parent::__construct($storage, $mountpoint, $arguments, $loader, $mountOptions, $mountId);
+		parent::__construct($storage, $mountpoint, $arguments, $loader, $mountOptions, $mountId, ConfigAdapter::class);
 	}
 
 	public function getMountType() {

apps/files_sharing/lib/External/Mount.php

@@ -42,7 +42,7 @@ class Mount extends MountPoint implements MoveableMount {
 	 * @param \OC\Files\Storage\StorageFactory $loader
 	 */
 	public function __construct($storage, $mountpoint, $options, $manager, $loader = null) {
-		parent::__construct($storage, $mountpoint, $options, $loader);
+		parent::__construct($storage, $mountpoint, $options, $loader, null, null, MountProvider::class);
 		$this->manager = $manager;
 	}
 

apps/files_sharing/lib/SharedMount.php

@@ -78,7 +78,7 @@ public function __construct($storage, array $mountpoints, $arguments, IStorageFa
 
 		$newMountPoint = $this->verifyMountPoint($this->superShare, $mountpoints, $folderExistCache);
 		$absMountPoint = '/' . $this->user . '/files' . $newMountPoint;
-		parent::__construct($storage, $absMountPoint, $arguments, $loader);
+		parent::__construct($storage, $absMountPoint, $arguments, $loader, null, null, MountProvider::class);
 	}
 
 	/**

core/Migrations/Version240000Date20220202150027.php

@@ -0,0 +1,37 @@
+<?php
+
+declare(strict_types=1);
+
+namespace OC\Core\Migrations;
+
+use Closure;
+use OCP\DB\ISchemaWrapper;
+use OCP\DB\Types;
+use OCP\Migration\IOutput;
+use OCP\Migration\SimpleMigrationStep;
+
+/**
+ * Auto-generated migration step: Please modify to your needs!
+ */
+class Version240000Date20220202150027 extends SimpleMigrationStep {
+	/**
+	 * @param IOutput $output
+	 * @param Closure $schemaClosure The `\Closure` returns a `ISchemaWrapper`
+	 * @param array $options
+	 * @return null|ISchemaWrapper
+	 */
+	public function changeSchema(IOutput $output, Closure $schemaClosure, array $options): ?ISchemaWrapper {
+		/** @var ISchemaWrapper $schema */
+		$schema = $schemaClosure();
+
+		$table = $schema->getTable('mounts');
+		if (!$table->hasColumn('mount_provider_class')) {
+			$table->addColumn('mount_provider_class', Types::STRING, [
+				'notnull' => false,
+				'length' => 128,
+			]);
+			return $schema;
+		}
+		return null;
+	}
+}

lib/composer/composer/autoload_classmap.php

@@ -1001,6 +1001,7 @@
     'OC\\Core\\Migrations\\Version23000Date20210930122352' => $baseDir . '/core/Migrations/Version23000Date20210930122352.php',
     'OC\\Core\\Migrations\\Version23000Date20211203110726' => $baseDir . '/core/Migrations/Version23000Date20211203110726.php',
     'OC\\Core\\Migrations\\Version23000Date20211213203940' => $baseDir . '/core/Migrations/Version23000Date20211213203940.php',
+    'OC\\Core\\Migrations\\Version240000Date20220202150027' => $baseDir . '/core/Migrations/Version240000Date20220202150027.php',
     'OC\\Core\\Migrations\\Version24000Date20211210141942' => $baseDir . '/core/Migrations/Version24000Date20211210141942.php',
     'OC\\Core\\Migrations\\Version24000Date20211213081506' => $baseDir . '/core/Migrations/Version24000Date20211213081506.php',
     'OC\\Core\\Migrations\\Version24000Date20211213081604' => $baseDir . '/core/Migrations/Version24000Date20211213081604.php',

lib/composer/composer/autoload_static.php

@@ -1030,6 +1030,7 @@ class ComposerStaticInit53792487c5a8370acc0b06b1a864ff4c
         'OC\\Core\\Migrations\\Version23000Date20210930122352' => __DIR__ . '/../../..' . '/core/Migrations/Version23000Date20210930122352.php',
         'OC\\Core\\Migrations\\Version23000Date20211203110726' => __DIR__ . '/../../..' . '/core/Migrations/Version23000Date20211203110726.php',
         'OC\\Core\\Migrations\\Version23000Date20211213203940' => __DIR__ . '/../../..' . '/core/Migrations/Version23000Date20211213203940.php',
+        'OC\\Core\\Migrations\\Version240000Date20220202150027' => __DIR__ . '/../../..' . '/core/Migrations/Version240000Date20220202150027.php',
         'OC\\Core\\Migrations\\Version24000Date20211210141942' => __DIR__ . '/../../..' . '/core/Migrations/Version24000Date20211210141942.php',
         'OC\\Core\\Migrations\\Version24000Date20211213081506' => __DIR__ . '/../../..' . '/core/Migrations/Version24000Date20211213081506.php',
         'OC\\Core\\Migrations\\Version24000Date20211213081604' => __DIR__ . '/../../..' . '/core/Migrations/Version24000Date20211213081604.php',

lib/private/Files/Config/CachedMountFileInfo.php

@@ -30,20 +30,29 @@ class CachedMountFileInfo extends CachedMountInfo implements ICachedMountFileInf
 	/** @var string */
 	private $internalPath;
 
-	public function __construct(IUser $user, $storageId, $rootId, $mountPoint, $mountId, $rootInternalPath, $internalPath) {
-		parent::__construct($user, $storageId, $rootId, $mountPoint, $mountId, $rootInternalPath);
+	public function __construct(
+		IUser $user,
+		int $storageId,
+		int $rootId,
+		string $mountPoint,
+		?int $mountId,
+		string $mountProvider,
+		string $rootInternalPath,
+		string $internalPath
+	) {
+		parent::__construct($user, $storageId, $rootId, $mountPoint, $mountProvider, $mountId, $rootInternalPath);
 		$this->internalPath = $internalPath;
 	}
 
-	public function getInternalPath() {
+	public function getInternalPath(): string {
 		if ($this->getRootInternalPath()) {
 			return substr($this->internalPath, strlen($this->getRootInternalPath()) + 1);
 		} else {
 			return $this->internalPath;
 		}
 	}
 
-	public function getPath() {
+	public function getPath(): string {
 		return $this->getMountPoint() . $this->getInternalPath();
 	}
 }

lib/private/Files/Config/CachedMountInfo.php

@@ -58,6 +58,9 @@ class CachedMountInfo implements ICachedMountInfo {
 	 */
 	protected $rootInternalPath;
 
+	/** @var string */
+	protected $mountProvider;
+
 	/**
 	 * CachedMountInfo constructor.
 	 *
@@ -68,13 +71,25 @@ class CachedMountInfo implements ICachedMountInfo {
 	 * @param int|null $mountId
 	 * @param string $rootInternalPath
 	 */
-	public function __construct(IUser $user, $storageId, $rootId, $mountPoint, $mountId = null, $rootInternalPath = '') {
+	public function __construct(
+		IUser $user,
+		int $storageId,
+		int $rootId,
+		string $mountPoint,
+		string $mountProvider,
+		int $mountId = null,
+		string $rootInternalPath = ''
+	) {
 		$this->user = $user;
 		$this->storageId = $storageId;
 		$this->rootId = $rootId;
 		$this->mountPoint = $mountPoint;
 		$this->mountId = $mountId;
 		$this->rootInternalPath = $rootInternalPath;
+		if (strlen($mountProvider) > 128) {
+			throw new \Exception("Mount provider $mountProvider name exceeds the limit of 128 characters");
+		}
+		$this->mountProvider = $mountProvider;
 	}
 
 	/**
@@ -138,4 +153,8 @@ public function getMountId() {
 	public function getRootInternalPath() {
 		return $this->rootInternalPath;
 	}
+
+	public function getMountProvider(): string {
+		return $this->mountProvider;
+	}
 }

lib/private/Files/Config/LazyStorageMountInfo.php

@@ -81,4 +81,8 @@ public function getMountId() {
 	public function getRootInternalPath() {
 		return $this->mount->getInternalPath($this->mount->getMountPoint());
 	}
+
+	public function getMountProvider(): string {
+		return $this->mount->getMountProvider();
+	}
 }

lib/private/Files/Config/UserMountCache.php

@@ -164,7 +164,8 @@ private function findChangedMounts(array $newMounts, array $cachedMounts) {
 				if (
 					$newMount->getMountPoint() !== $cachedMount->getMountPoint() ||
 					$newMount->getStorageId() !== $cachedMount->getStorageId() ||
-					$newMount->getMountId() !== $cachedMount->getMountId()
+					$newMount->getMountId() !== $cachedMount->getMountId() ||
+					$newMount->getMountProvider() !== $cachedMount->getMountProvider()
 				) {
 					$changed[] = $newMount;
 				}
@@ -180,7 +181,8 @@ private function addToCache(ICachedMountInfo $mount) {
 				'root_id' => $mount->getRootId(),
 				'user_id' => $mount->getUser()->getUID(),
 				'mount_point' => $mount->getMountPoint(),
-				'mount_id' => $mount->getMountId()
+				'mount_id' => $mount->getMountId(),
+				'mount_provider_class' => $mount->getMountProvider(),
 			], ['root_id', 'user_id']);
 		} else {
 			// in some cases this is legitimate, like orphaned shares
@@ -195,6 +197,7 @@ private function updateCachedMount(ICachedMountInfo $mount) {
 			->set('storage_id', $builder->createNamedParameter($mount->getStorageId()))
 			->set('mount_point', $builder->createNamedParameter($mount->getMountPoint()))
 			->set('mount_id', $builder->createNamedParameter($mount->getMountId(), IQueryBuilder::PARAM_INT))
+			->set('mount_provider_class', $builder->createNamedParameter($mount->getMountProvider()))
 			->where($builder->expr()->eq('user_id', $builder->createNamedParameter($mount->getUser()->getUID())))
 			->andWhere($builder->expr()->eq('root_id', $builder->createNamedParameter($mount->getRootId(), IQueryBuilder::PARAM_INT)));
 
@@ -219,7 +222,15 @@ private function dbRowToMountInfo(array $row) {
 		if (!is_null($mount_id)) {
 			$mount_id = (int)$mount_id;
 		}
-		return new CachedMountInfo($user, (int)$row['storage_id'], (int)$row['root_id'], $row['mount_point'], $mount_id, isset($row['path']) ? $row['path'] : '');
+		return new CachedMountInfo(
+			$user,
+			(int)$row['storage_id'],
+			(int)$row['root_id'],
+			$row['mount_point'],
+			$row['mount_provider_class'] ?? '',
+			$mount_id,
+			isset($row['path']) ? $row['path'] : '',
+		);
 	}
 
 	/**
@@ -229,7 +240,7 @@ private function dbRowToMountInfo(array $row) {
 	public function getMountsForUser(IUser $user) {
 		if (!isset($this->mountsForUsers[$user->getUID()])) {
 			$builder = $this->connection->getQueryBuilder();
-			$query = $builder->select('storage_id', 'root_id', 'user_id', 'mount_point', 'mount_id', 'f.path')
+			$query = $builder->select('storage_id', 'root_id', 'user_id', 'mount_point', 'mount_id', 'f.path', 'mount_provider_class')
 				->from('mounts', 'm')
 				->innerJoin('m', 'filecache', 'f', $builder->expr()->eq('m.root_id', 'f.fileid'))
 				->where($builder->expr()->eq('user_id', $builder->createPositionalParameter($user->getUID())));
@@ -250,7 +261,7 @@ public function getMountsForUser(IUser $user) {
 	 */
 	public function getMountsForStorageId($numericStorageId, $user = null) {
 		$builder = $this->connection->getQueryBuilder();
-		$query = $builder->select('storage_id', 'root_id', 'user_id', 'mount_point', 'mount_id', 'f.path')
+		$query = $builder->select('storage_id', 'root_id', 'user_id', 'mount_point', 'mount_id', 'f.path', 'mount_provider_class')
 			->from('mounts', 'm')
 			->innerJoin('m', 'filecache', 'f', $builder->expr()->eq('m.root_id', 'f.fileid'))
 			->where($builder->expr()->eq('storage_id', $builder->createPositionalParameter($numericStorageId, IQueryBuilder::PARAM_INT)));
@@ -272,7 +283,7 @@ public function getMountsForStorageId($numericStorageId, $user = null) {
 	 */
 	public function getMountsForRootId($rootFileId) {
 		$builder = $this->connection->getQueryBuilder();
-		$query = $builder->select('storage_id', 'root_id', 'user_id', 'mount_point', 'mount_id', 'f.path')
+		$query = $builder->select('storage_id', 'root_id', 'user_id', 'mount_point', 'mount_id', 'f.path', 'mount_provider_class')
 			->from('mounts', 'm')
 			->innerJoin('m', 'filecache', 'f', $builder->expr()->eq('m.root_id', 'f.fileid'))
 			->where($builder->expr()->eq('root_id', $builder->createPositionalParameter($rootFileId, IQueryBuilder::PARAM_INT)));
@@ -286,10 +297,10 @@ public function getMountsForRootId($rootFileId) {
 
 	/**
 	 * @param $fileId
-	 * @return array
+	 * @return array{int, string, int}
 	 * @throws \OCP\Files\NotFoundException
 	 */
-	private function getCacheInfoFromFileId($fileId) {
+	private function getCacheInfoFromFileId($fileId): array {
 		if (!isset($this->cacheInfoCache[$fileId])) {
 			$builder = $this->connection->getQueryBuilder();
 			$query = $builder->select('storage', 'path', 'mimetype')
@@ -303,7 +314,7 @@ private function getCacheInfoFromFileId($fileId) {
 			if (is_array($row)) {
 				$this->cacheInfoCache[$fileId] = [
 					(int)$row['storage'],
-					$row['path'],
+					(string)$row['path'],
 					(int)$row['mimetype']
 				];
 			} else {
@@ -326,7 +337,7 @@ public function getMountsForFileId($fileId, $user = null) {
 			return [];
 		}
 		$builder = $this->connection->getQueryBuilder();
-		$query = $builder->select('storage_id', 'root_id', 'user_id', 'mount_point', 'mount_id', 'f.path')
+		$query = $builder->select('storage_id', 'root_id', 'user_id', 'mount_point', 'mount_id', 'f.path', 'mount_provider_class')
 			->from('mounts', 'm')
 			->innerJoin('m', 'filecache', 'f', $builder->expr()->eq('m.root_id', 'f.fileid'))
 			->where($builder->expr()->eq('storage_id', $builder->createPositionalParameter($storageId, IQueryBuilder::PARAM_INT)));
@@ -343,7 +354,7 @@ public function getMountsForFileId($fileId, $user = null) {
 			if ($fileId === (int)$row['root_id']) {
 				return true;
 			}
-			$internalMountPath = isset($row['path']) ? $row['path'] : '';
+			$internalMountPath = $row['path'] ?? '';
 
 			return $internalMountPath === '' || substr($internalPath, 0, strlen($internalMountPath) + 1) === $internalMountPath . '/';
 		});
@@ -356,6 +367,7 @@ public function getMountsForFileId($fileId, $user = null) {
 				$mount->getRootId(),
 				$mount->getMountPoint(),
 				$mount->getMountId(),
+				$mount->getMountProvider(),
 				$mount->getRootInternalPath(),
 				$internalPath
 			);

lib/private/Files/Mount/CacheMountProvider.php

@@ -61,8 +61,8 @@ public function getMountsForUser(IUser $user, IStorageFactory $loader) {
 			}
 
 			return [
-				new MountPoint('\OC\Files\Storage\Local', '/' . $user->getUID() . '/cache', ['datadir' => $cacheDir, $loader]),
-				new MountPoint('\OC\Files\Storage\Local', '/' . $user->getUID() . '/uploads', ['datadir' => $cacheDir . '/uploads', $loader])
+				new MountPoint('\OC\Files\Storage\Local', '/' . $user->getUID() . '/cache', ['datadir' => $cacheDir], $loader, null, null, self::class),
+				new MountPoint('\OC\Files\Storage\Local', '/' . $user->getUID() . '/uploads', ['datadir' => $cacheDir . '/uploads'], $loader, null, null, self::class)
 			];
 		} else {
 			return [];

lib/private/Files/Mount/LocalHomeMountProvider.php

@@ -38,6 +38,6 @@ class LocalHomeMountProvider implements IHomeMountProvider {
 	 */
 	public function getHomeMountForUser(IUser $user, IStorageFactory $loader) {
 		$arguments = ['user' => $user];
-		return new MountPoint('\OC\Files\Storage\Home', '/' . $user->getUID(), $arguments, $loader);
+		return new MountPoint('\OC\Files\Storage\Home', '/' . $user->getUID(), $arguments, $loader, null, null, self::class);
 	}
 }

lib/private/Files/Mount/MountPoint.php

@@ -34,6 +34,7 @@
 use OC\Files\Storage\Storage;
 use OC\Files\Storage\StorageFactory;
 use OCP\Files\Mount\IMountPoint;
+use OCP\Files\Storage\IStorageFactory;
 use OCP\ILogger;
 
 class MountPoint implements IMountPoint {
@@ -76,16 +77,28 @@ class MountPoint implements IMountPoint {
 	/** @var int|null */
 	protected $mountId;
 
+	/** @var string */
+	protected $mountProvider;
+
 	/**
 	 * @param string|\OC\Files\Storage\Storage $storage
 	 * @param string $mountpoint
 	 * @param array $arguments (optional) configuration for the storage backend
 	 * @param \OCP\Files\Storage\IStorageFactory $loader
 	 * @param array $mountOptions mount specific options
 	 * @param int|null $mountId
+	 * @param string|null $mountProvider
 	 * @throws \Exception
 	 */
-	public function __construct($storage, $mountpoint, $arguments = null, $loader = null, $mountOptions = null, $mountId = null) {
+	public function __construct(
+		$storage,
+		string $mountpoint,
+		array $arguments = null,
+		IStorageFactory $loader = null,
+		array $mountOptions = null,
+		int $mountId = null,
+		string $mountProvider = null
+	) {
 		if (is_null($arguments)) {
 			$arguments = [];
 		}
@@ -113,6 +126,12 @@ public function __construct($storage, $mountpoint, $arguments = null, $loader =
 			$this->class = $storage;
 			$this->arguments = $arguments;
 		}
+		if ($mountProvider) {
+			if (strlen($mountProvider) > 128) {
+				throw new \Exception("Mount provider $mountProvider name exceeds the limit of 128 characters");
+			}
+		}
+		$this->mountProvider = $mountProvider ?? '';
 	}
 
 	/**
@@ -286,4 +305,8 @@ public function getMountId() {
 	public function getMountType() {
 		return '';
 	}
+
+	public function getMountProvider(): string {
+		return $this->mountProvider;
+	}
 }

lib/private/Files/Mount/ObjectHomeMountProvider.php

@@ -65,7 +65,7 @@ public function getHomeMountForUser(IUser $user, IStorageFactory $loader) {
 			return null;
 		}
 
-		return new MountPoint('\OC\Files\ObjectStore\HomeObjectStoreStorage', '/' . $user->getUID(), $config['arguments'], $loader);
+		return new MountPoint('\OC\Files\ObjectStore\HomeObjectStoreStorage', '/' . $user->getUID(), $config['arguments'], $loader, null, null, self::class);
 	}
 
 	/**