Path specific Filesystem setup

apps/dav/lib/Connector/Sabre/Directory.php

@@ -38,8 +38,14 @@
 use Sabre\DAV\Exception\ServiceUnavailable;
 use Sabre\DAV\IFile;
 use Sabre\DAV\INode;
-
-class Directory extends Node implements \Sabre\DAV\ICollection, \Sabre\DAV\IQuota, \Sabre\DAV\IMoveTarget, \Sabre\DAV\ICopyTarget {
+use Sabre\DAV\INodeByPath;
+
+class Directory extends Node implements
+	\Sabre\DAV\ICollection,
+	\Sabre\DAV\IQuota,
+	\Sabre\DAV\IMoveTarget,
+	\Sabre\DAV\ICopyTarget,
+	INodeByPath {
 	/**
 	 * Cached directory content
 	 * @var FileInfo[]
@@ -490,4 +496,59 @@ public function copyInto($targetName, $sourcePath, INode $sourceNode) {
 	public function getNode(): Folder {
 		return $this->node;
 	}
+
+	public function getNodeForPath($path) {
+		return $this->getNodeForPathInternal($path);
+	}
+
+	private function getNodeForPathInternal($path, bool $includeChildren = true) {
+		$nodeIsRoot = $this->path === '/';
+		$path = ltrim($path, '/');
+		$fullPath = $nodeIsRoot ? $this->path . $path : $this->path . '/' . $path;
+
+		try {
+			[$destinationDir, $destinationName] = \Sabre\Uri\split($fullPath);
+			$this->fileView->verifyPath($destinationDir, $destinationName, true);
+			$info = $this->fileView->getFileInfo($fullPath, $includeChildren);
+		} catch (StorageNotAvailableException $e) {
+			throw new \Sabre\DAV\Exception\ServiceUnavailable($e->getMessage(), 0, $e);
+		} catch (InvalidPathException $ex) {
+			throw new InvalidPath($ex->getMessage(), false, $ex);
+		} catch (ForbiddenException $e) {
+			throw new \Sabre\DAV\Exception\Forbidden($e->getMessage(), $e->getCode(), $e);
+		}
+
+		if (!$info) {
+			throw new \Sabre\DAV\Exception\NotFound('File with name ' . $fullPath
+				. ' could not be located');
+		}
+
+		if (!$info->isReadable()) {
+			if (Server::get(IAppManager::class)->isEnabledForAnyone('files_accesscontrol')) {
+				throw new Forbidden('No read permissions. This might be caused by files_accesscontrol, check your configured rules');
+			}
+
+			throw new Forbidden('No read permissions');
+		}
+
+		if ($info->getMimeType() === FileInfo::MIMETYPE_FOLDER) {
+			$node = new \OCA\DAV\Connector\Sabre\Directory($this->fileView, $info, $this->tree, $this->shareManager);
+		} else {
+			// In case reading a directory was allowed but it turns out the node was a not a directory, reject it now.
+			if (!$this->info->isReadable()) {
+				throw new NotFound();
+			}
+
+			$node = new File($this->fileView, $info, $this->shareManager);
+		}
+		$this->tree?->cacheNode($node);
+
+		if ($destinationDir !== '') {
+			// recurse upwards until the root (for backwards-compatibility)
+			// no need to get child information
+			$this->getNodeForPathInternal($destinationDir, false);
+		}
+
+		return $node;
+	}
 }

apps/dav/lib/Connector/Sabre/Node.php

@@ -24,7 +24,7 @@
 use OCP\Share\Exceptions\ShareNotFound;
 use OCP\Share\IManager;
 
-abstract class Node implements \Sabre\DAV\INode {
+abstract class Node extends \Sabre\DAV\Node implements \Sabre\DAV\INode {
 	/**
 	 * The path to the current node
 	 *

apps/files_sharing/lib/External/MountProvider.php

@@ -15,6 +15,7 @@
 use OCP\IDBConnection;
 use OCP\IUser;
 use OCP\Server;
+use OCP\Share\IShare;
 
 class MountProvider implements IMountProvider {
 	public const STORAGE = '\OCA\Files_Sharing\External\Storage';
@@ -54,7 +55,7 @@ public function getMountsForUser(IUser $user, IStorageFactory $loader) {
 		$qb->select('remote', 'share_token', 'password', 'mountpoint', 'owner')
 			->from('share_external')
 			->where($qb->expr()->eq('user', $qb->createNamedParameter($user->getUID())))
-			->andWhere($qb->expr()->eq('accepted', $qb->createNamedParameter(1, IQueryBuilder::PARAM_INT)));
+			->andWhere($qb->expr()->eq('accepted', $qb->createNamedParameter(IShare::STATUS_ACCEPTED, IQueryBuilder::PARAM_INT)));
 		$result = $qb->executeQuery();
 		$mounts = [];
 		while ($row = $result->fetchAssociative()) {