[#181] index_page: Ignore deleted objects in versioned buckets

Signed-off-by: Nikita Zinkevich <n.zinkevich@yadro.com>

internal/handler/browse.go

@@ -28,6 +28,7 @@ const (
 	attrFileName     = "FileName"
 	attrFilePath     = "FilePath"
 	attrSize         = "Size"
+	attrDeleteMarker = "IsDeleteMarker"
 )
 
 type (
@@ -46,6 +47,7 @@ type (
 		Size           string
 		IsDir          bool
 		GetURL         string
+		IsDeleteMarker bool
 	}
 )
 
@@ -56,6 +58,7 @@ func newListObjectsResponseS3(attrs map[string]string) ResponseObject {
 		FileName:       attrs[attrFileName],
 		Size:           attrs[attrSize],
 		IsDir:          attrs[attrOID] == "",
+		IsDeleteMarker: attrs[attrDeleteMarker] == "true",
 	}
 }
 
@@ -179,6 +182,9 @@ func (h *Handler) getDirObjectsS3(ctx context.Context, bucketInfo *data.BucketIn
 			attrs[m.GetKey()] = string(m.GetValue())
 		}
 		obj := newListObjectsResponseS3(attrs)
+		if obj.IsDeleteMarker {
+			continue
+		}
 		obj.FilePath = prefix + obj.FileName
 		obj.GetURL = "/get/" + bucketInfo.Name + urlencode(obj.FilePath)
 		result.objects = append(result.objects, obj)