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wakapi/utils/fs/neutered.go
2022-01-02 12:02:12 +01:00

35 lines
561 B
Go

package fs
import (
"io/fs"
"path/filepath"
)
// https://www.alexedwards.net/blog/disable-http-fileserver-directory-listings
type NeuteredFileSystem struct {
fs.FS
}
func (nfs NeuteredFileSystem) Open(path string) (fs.File, error) {
f, err := nfs.FS.Open(path)
if err != nil {
return nil, err
}
s, err := f.Stat()
if s.IsDir() {
index := filepath.Join(path, "index.html")
if _, err := nfs.FS.Open(index); err != nil {
closeErr := f.Close()
if closeErr != nil {
return nil, closeErr
}
return nil, err
}
}
return f, nil
}