GoToSocial/internal/web/fileserver.go

48 lines
1.3 KiB
Go

/*
GoToSocial
Copyright (C) 2021 GoToSocial Authors admin@gotosocial.org
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU Affero General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU Affero General Public License for more details.
You should have received a copy of the GNU Affero General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
package web
import (
"net/http"
"strings"
)
type fileSystem struct {
fs http.FileSystem
}
// FileSystem server that only accepts directory listings when an index.html is available
// from https://gist.github.com/hauxe/f2ea1901216177ccf9550a1b8bd59178
func (fs fileSystem) Open(path string) (http.File, error) {
f, err := fs.fs.Open(path)
if err != nil {
return nil, err
}
s, _ := f.Stat()
if s.IsDir() {
index := strings.TrimSuffix(path, "/") + "/index.html"
if _, err := fs.fs.Open(index); err != nil {
return nil, err
}
}
return f, nil
}