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package httptoo
import (
"net/http"
"os"
)
// Wraps a http.FileSystem, disabling directory listings, per the commonly
// requested feature at https://groups.google.com/forum/#!topic/golang-
// nuts/bStLPdIVM6w .
type JustFilesFilesystem struct {
Fs http.FileSystem
}
func (fs JustFilesFilesystem) Open(name string) (http.File, error) {
f, err := fs.Fs.Open(name)
if err != nil {
return nil, err
}
d, err := f.Stat()
if err != nil {
f.Close()
return nil, err
}
if d.IsDir() {
f.Close()
// This triggers http.FileServer to show a 404.
return nil, os.ErrNotExist
}
return f, nil
}
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