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package weed_server
import ( "context" "encoding/base64" "fmt" "github.com/skip2/go-qrcode" "net/http" "strconv" "strings"
"github.com/chrislusf/seaweedfs/weed/glog" ui "github.com/chrislusf/seaweedfs/weed/server/filer_ui" "github.com/chrislusf/seaweedfs/weed/stats" "github.com/chrislusf/seaweedfs/weed/util" )
// listDirectoryHandler lists directories and folers 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) {
stats.FilerRequestCounter.WithLabelValues("list").Inc()
path := r.URL.Path if strings.HasSuffix(path, "/") && len(path) > 1 { path = path[:len(path)-1] }
limit, limit_err := strconv.Atoi(r.FormValue("limit")) if limit_err != nil { limit = 100 }
lastFileName := r.FormValue("lastFileName") namePattern := r.FormValue("namePattern")
entries, err := fs.filer.ListDirectoryEntries(context.Background(), util.FullPath(path), lastFileName, false, limit, namePattern)
if err != nil { glog.V(0).Infof("listDirectory %s %s %d: %s", path, lastFileName, limit, err) w.WriteHeader(http.StatusNotFound) return }
shouldDisplayLoadMore := len(entries) == limit if path == "/" { path = "" }
if len(entries) > 0 { lastFileName = entries[len(entries)-1].Name() }
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 { Path string Entries interface{} Limit int LastFileName string ShouldDisplayLoadMore bool }{ path, entries, limit, lastFileName, shouldDisplayLoadMore, }) return }
var qrImageString string img, err := qrcode.Encode(fmt.Sprintf("http://%s:%d%s", fs.option.Host, fs.option.Port, r.URL.Path), qrcode.Medium, 128) if err == nil { qrImageString = base64.StdEncoding.EncodeToString(img) }
ui.StatusTpl.Execute(w, struct { Path string Breadcrumbs []ui.Breadcrumb Entries interface{} Limit int LastFileName string ShouldDisplayLoadMore bool QrImage string }{ path, ui.ToBreadcrumb(path), entries, limit, lastFileName, shouldDisplayLoadMore, qrImageString, }) }
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