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package staticfiles
import (
"net/http"
)
// Browse configures directory browsing.
type Browse struct {
}
// ServeHTTP determines if the request is for this plugin, and if all prerequisites are met.
// If so, control is handed over to ServeListing.
func (b Browse) ServeHTTP(w http.ResponseWriter, r *http.Request) error {
// TODO: convert this handler
return nil
// // Browse works on existing directories; delegate everything else
// requestedFilepath, err := bc.Fs.Root.Open(r.URL.Path)
// if err != nil {
// switch {
// case os.IsPermission(err):
// return http.StatusForbidden, err
// case os.IsExist(err):
// return http.StatusNotFound, err
// default:
// return b.Next.ServeHTTP(w, r)
// }
// }
// defer requestedFilepath.Close()
// info, err := requestedFilepath.Stat()
// if err != nil {
// switch {
// case os.IsPermission(err):
// return http.StatusForbidden, err
// case os.IsExist(err):
// return http.StatusGone, err
// default:
// return b.Next.ServeHTTP(w, r)
// }
// }
// if !info.IsDir() {
// return b.Next.ServeHTTP(w, r)
// }
// // Do not reply to anything else because it might be nonsensical
// switch r.Method {
// case http.MethodGet, http.MethodHead:
// // proceed, noop
// case "PROPFIND", http.MethodOptions:
// return http.StatusNotImplemented, nil
// default:
// return b.Next.ServeHTTP(w, r)
// }
// // Browsing navigation gets messed up if browsing a directory
// // that doesn't end in "/" (which it should, anyway)
// u := *r.URL
// if u.Path == "" {
// u.Path = "/"
// }
// if u.Path[len(u.Path)-1] != '/' {
// u.Path += "/"
// http.Redirect(w, r, u.String(), http.StatusMovedPermanently)
// return http.StatusMovedPermanently, nil
// }
// return b.ServeListing(w, r, requestedFilepath, bc)
}
// func (b Browse) loadDirectoryContents(requestedFilepath http.File, urlPath string, config *Config) (*Listing, bool, error) {
// files, err := requestedFilepath.Readdir(-1)
// if err != nil {
// return nil, false, err
// }
// // Determine if user can browse up another folder
// var canGoUp bool
// curPathDir := path.Dir(strings.TrimSuffix(urlPath, "/"))
// for _, other := range b.Configs {
// if strings.HasPrefix(curPathDir, other.PathScope) {
// canGoUp = true
// break
// }
// }
// // Assemble listing of directory contents
// listing, hasIndex := directoryListing(files, canGoUp, urlPath, config)
// return &listing, hasIndex, nil
// }
// // handleSortOrder gets and stores for a Listing the 'sort' and 'order',
// // and reads 'limit' if given. The latter is 0 if not given.
// //
// // This sets Cookies.
// func (b Browse) handleSortOrder(w http.ResponseWriter, r *http.Request, scope string) (sort string, order string, limit int, err error) {
// sort, order, limitQuery := r.URL.Query().Get("sort"), r.URL.Query().Get("order"), r.URL.Query().Get("limit")
// // If the query 'sort' or 'order' is empty, use defaults or any values previously saved in Cookies
// switch sort {
// case "":
// sort = sortByNameDirFirst
// if sortCookie, sortErr := r.Cookie("sort"); sortErr == nil {
// sort = sortCookie.Value
// }
// case sortByName, sortByNameDirFirst, sortBySize, sortByTime:
// http.SetCookie(w, &http.Cookie{Name: "sort", Value: sort, Path: scope, Secure: r.TLS != nil})
// }
// switch order {
// case "":
// order = "asc"
// if orderCookie, orderErr := r.Cookie("order"); orderErr == nil {
// order = orderCookie.Value
// }
// case "asc", "desc":
// http.SetCookie(w, &http.Cookie{Name: "order", Value: order, Path: scope, Secure: r.TLS != nil})
// }
// if limitQuery != "" {
// limit, err = strconv.Atoi(limitQuery)
// if err != nil { // if the 'limit' query can't be interpreted as a number, return err
// return
// }
// }
// return
// }
// // ServeListing returns a formatted view of 'requestedFilepath' contents'.
// func (b Browse) ServeListing(w http.ResponseWriter, r *http.Request, requestedFilepath http.File, bc *Config) (int, error) {
// listing, containsIndex, err := b.loadDirectoryContents(requestedFilepath, r.URL.Path, bc)
// if err != nil {
// switch {
// case os.IsPermission(err):
// return http.StatusForbidden, err
// case os.IsExist(err):
// return http.StatusGone, err
// default:
// return http.StatusInternalServerError, err
// }
// }
// if containsIndex && !b.IgnoreIndexes { // directory isn't browsable
// return b.Next.ServeHTTP(w, r)
// }
// listing.Context = httpserver.Context{
// Root: bc.Fs.Root,
// Req: r,
// URL: r.URL,
// }
// listing.User = bc.Variables
// // Copy the query values into the Listing struct
// var limit int
// listing.Sort, listing.Order, limit, err = b.handleSortOrder(w, r, bc.PathScope)
// if err != nil {
// return http.StatusBadRequest, err
// }
// listing.applySort()
// if limit > 0 && limit <= len(listing.Items) {
// listing.Items = listing.Items[:limit]
// listing.ItemsLimitedTo = limit
// }
// var buf *bytes.Buffer
// acceptHeader := strings.ToLower(strings.Join(r.Header["Accept"], ","))
// switch {
// case strings.Contains(acceptHeader, "application/json"):
// if buf, err = b.formatAsJSON(listing, bc); err != nil {
// return http.StatusInternalServerError, err
// }
// w.Header().Set("Content-Type", "application/json; charset=utf-8")
// default: // There's no 'application/json' in the 'Accept' header; browse normally
// if buf, err = b.formatAsHTML(listing, bc); err != nil {
// return http.StatusInternalServerError, err
// }
// w.Header().Set("Content-Type", "text/html; charset=utf-8")
// }
// _, _ = buf.WriteTo(w)
// return http.StatusOK, nil
// }
// func (b Browse) formatAsJSON(listing *Listing, bc *Config) (*bytes.Buffer, error) {
// marsh, err := json.Marshal(listing.Items)
// if err != nil {
// return nil, err
// }
// buf := new(bytes.Buffer)
// _, err = buf.Write(marsh)
// return buf, err
// }
// func (b Browse) formatAsHTML(listing *Listing, bc *Config) (*bytes.Buffer, error) {
// buf := new(bytes.Buffer)
// err := bc.Template.Execute(buf, listing)
// return buf, err
// }
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