package weed_server import ( "context" "errors" "net/http" "strconv" "strings" "github.com/seaweedfs/seaweedfs/weed/glog" ui "github.com/seaweedfs/seaweedfs/weed/server/filer_ui" "github.com/seaweedfs/seaweedfs/weed/stats" "github.com/seaweedfs/seaweedfs/weed/util" ) // listDirectoryHandler lists directories and folders under a directory // files are sorted by name and paginated via "lastFileName" and "limit". // sub directories are listed on the first page, when "lastFileName" // is empty. func (fs *FilerServer) listDirectoryHandler(w http.ResponseWriter, r *http.Request) { if fs.option.ExposeDirectoryData == false { writeJsonError(w, r, http.StatusForbidden, errors.New("ui is disabled")) return } stats.FilerHandlerCounter.WithLabelValues(stats.DirList).Inc() path := r.URL.Path if strings.HasSuffix(path, "/") && len(path) > 1 { path = path[:len(path)-1] } limit, limitErr := strconv.Atoi(r.FormValue("limit")) if limitErr != nil { limit = fs.option.DirListingLimit } lastFileName := r.FormValue("lastFileName") namePattern := r.FormValue("namePattern") namePatternExclude := r.FormValue("namePatternExclude") entries, shouldDisplayLoadMore, err := fs.filer.ListDirectoryEntries(context.Background(), util.FullPath(path), lastFileName, false, int64(limit), "", namePattern, namePatternExclude) if err != nil { glog.V(0).Infof("listDirectory %s %s %d: %s", path, lastFileName, limit, err) w.WriteHeader(http.StatusNotFound) return } if path == "/" { path = "" } emptyFolder := true if len(entries) > 0 { lastFileName = entries[len(entries)-1].Name() emptyFolder = false } glog.V(4).Infof("listDirectory %s, last file %s, limit %d: %d items", path, lastFileName, limit, len(entries)) if r.Header.Get("Accept") == "application/json" { writeJsonQuiet(w, r, http.StatusOK, struct { Version string Path string Entries interface{} Limit int LastFileName string ShouldDisplayLoadMore bool EmptyFolder bool }{ util.Version(), path, entries, limit, lastFileName, shouldDisplayLoadMore, emptyFolder, }) return } err = ui.StatusTpl.Execute(w, struct { Version string Path string Breadcrumbs []ui.Breadcrumb Entries interface{} Limit int LastFileName string ShouldDisplayLoadMore bool EmptyFolder bool ShowDirectoryDelete bool }{ util.Version(), path, ui.ToBreadcrumb(path), entries, limit, lastFileName, shouldDisplayLoadMore, emptyFolder, fs.option.ShowUIDirectoryDelete, }) if err != nil { glog.V(0).Infof("Template Execute Error: %v", err) } }