// NrscStatic returns a middleware handler (based on martini's Static middleware)
// that serves static files via nrsc (https://bitbucket.org/tebeka/nrsc)
func NrscStatic(path string) Handler {
if err := nrsc.Initialize(); err != nil {
panic("[NrscStatic] Unable to initialize nrsc: " + err.Error())
}
return func(res http.ResponseWriter, req *http.Request, log *log.Logger) {
file := req.URL.Path
// nrsc expects there not to be a leading slash
if file[0] == '/' {
file = file[1:]
}
f := nrsc.Get(file)
if f == nil {
return
}
rdr, err := f.Open()
if err != nil {
log.Println("[NrscStatic] Can't open " + f.Name() + ": " + err.Error())
http.Error(res, "Internal Server Error", http.StatusInternalServerError)
}
defer rdr.Close()
log.Println("[NrscStatic] Serving " + file)
mtype := mime.TypeByExtension(filepath.Ext(req.URL.Path))
if len(mtype) != 0 {
res.Header().Set("Content-Type", mtype)
}
res.Header().Set("Content-Size", fmt.Sprintf("%d", f.Size()))
res.Header().Set("Last-Modified", f.ModTime().UTC().Format(http.TimeFormat))
io.Copy(res, rdr)
}
}
func loadTemplate(name string, tvar *[]byte) {
rdr, err := nrsc.Get(name).Open()
if err != nil {
panic(err)
}
*tvar, err = ioutil.ReadAll(rdr)
if err != nil {
panic(err)
}
}