allow multiple space type fileters on decomposedfs (#2343)

Signed-off-by: Jörn Friedrich Dreyer <jfd@butonic.de>

changelog/unreleased/decomposedfs-allow-multiple-space-type-filters.md

@@ -0,0 +1,5 @@
+Enhancement: Allow multiple space type fileters on decomposedfs
+
+The decomposedfs driver now evaluates multiple space type filters when listing storage spaces.
+
+https://github.com/cs3org/reva/pull/2343

pkg/storage/utils/decomposedfs/spaces.go

@@ -176,29 +176,37 @@ func (fs *Decomposedfs) ListStorageSpaces(ctx context.Context, filter []*provide
 	// we would not need /nodes/root if access always happened via spaceid+relative path
 
 	var (
-		spaceType = spaceTypeAny
-		spaceID   = spaceIDAny
-		nodeID    = spaceIDAny
-		err       error
+		spaceID = spaceIDAny
+		nodeID  = spaceIDAny
 	)
 
+	spaceTypes := []string{}
+
 	for i := range filter {
 		switch filter[i].Type {
 		case provider.ListStorageSpacesRequest_Filter_TYPE_SPACE_TYPE:
-			spaceType = filter[i].GetSpaceType()
+			spaceTypes = append(spaceTypes, filter[i].GetSpaceType())
 		case provider.ListStorageSpacesRequest_Filter_TYPE_ID:
 			spaceID, nodeID = utils.SplitStorageSpaceID(filter[i].GetId().OpaqueId)
 		}
 	}
+	if len(spaceTypes) == 0 {
+		spaceTypes = []string{"*"}
+	}
 
 	spaces := []*provider.StorageSpace{}
 	// build the glob path, eg.
 	// /path/to/root/spaces/{spaceType}/{spaceId}
 	// /path/to/root/spaces/personal/nodeid
 	// /path/to/root/spaces/shared/nodeid
-	matches, err := filepath.Glob(filepath.Join(fs.o.Root, "spaces", spaceType, nodeID))
-	if err != nil {
-		return nil, err
+
+	matches := []string{}
+	for _, spaceType := range spaceTypes {
+		m, err := filepath.Glob(filepath.Join(fs.o.Root, "spaces", spaceType, nodeID))
+		if err != nil {
+			return nil, err
+		}
+		matches = append(matches, m...)
 	}
 
 	u, ok := ctxpkg.ContextGetUser(ctx)
@@ -232,11 +240,6 @@ func (fs *Decomposedfs) ListStorageSpaces(ctx context.Context, filter []*provide
 
 			spaceType := filepath.Base(filepath.Dir(matches[i]))
 
-			// if spaceType == "share" {
-			// do not list shares at all? the sharesstorageprovider is responsible for it
-			//	continue
-			// }
-
 			owner, err := n.Owner()
 			if err != nil {
 				appctx.GetLogger(ctx).Error().Err(err).Interface("node", n).Msg("could not read owner, skipping")