func userIdHandler(next http.Handler) http.Handler {
fn := func(w http.ResponseWriter, r *http.Request) {
key := r.Header.Get("x-key")
if key == "" {
log.Printf("No x-key passed")
WriteError(w, ErrNoXKey)
return
}
if next != nil {
context.Set(r, "x-key", key)
next.ServeHTTP(w, r)
}
}
return http.HandlerFunc(fn)
}
func bodyHandler(v interface{}) func(http.Handler) http.Handler {
t := reflect.TypeOf(v)
m := func(next http.Handler) http.Handler {
fn := func(w http.ResponseWriter, r *http.Request) {
val := reflect.New(t).Interface()
err := json.NewDecoder(r.Body).Decode(val)
if err != nil {
WriteError(w, ErrBadRequest)
return
}
if next != nil {
context.Set(r, "body", val)
next.ServeHTTP(w, r)
}
}
return http.HandlerFunc(fn)
}
return m
}
func wrapHandler(h http.Handler) httprouter.Handle {
return func(w http.ResponseWriter, r *http.Request, ps httprouter.Params) {
context.Set(r, "params", ps)
h.ServeHTTP(w, r)
}
}