Fix get dir metadata (#5923)

* fix:mount deadlock

* feat: query dir metadata

* feat: query dir metadata

---------

Co-authored-by: zemul <zhouzemiao@ihuman.com>

weed/server/filer_server_handlers_read.go

@@ -122,13 +122,15 @@ func (fs *FilerServer) GetOrHeadHandler(w http.ResponseWriter, r *http.Request)
 			return
 		}
 		if query.Get("metadata") == "true" {
+			writeJsonQuiet(w, r, http.StatusOK, entry)
+			return
+		}
+		if entry.Attr.Mime == "" || (entry.Attr.Mime == s3_constants.FolderMimeType && r.Header.Get(s3_constants.AmzIdentityId) == "") {
 			// Don't return directory meta if config value is set to true
 			if fs.option.ExposeDirectoryData == false {
 				writeJsonError(w, r, http.StatusForbidden, errors.New("directory listing is disabled"))
 				return
 			}
-		}
-		if entry.Attr.Mime == "" || (entry.Attr.Mime == s3_constants.FolderMimeType && r.Header.Get(s3_constants.AmzIdentityId) == "") {
 			// return index of directory for non s3 gateway
 			fs.listDirectoryHandler(w, r)
 			return