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