package httpapi

import (
	"net"
	"net/http"
)

func (s *Server) internalStatusByPhone(w http.ResponseWriter, r *http.Request) {
	s.statusByPhone(w, r, false)
}

func (s *Server) requireInternalNetwork(next http.Handler) http.Handler {
	return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
		address := remoteIP(r)
		if address == nil {
			writeInternalNetworkRequired(w)
			return
		}
		ip := net.ParseIP(*address)
		if ip == nil || (!ip.IsPrivate() && !ip.IsLoopback()) {
			writeInternalNetworkRequired(w)
			return
		}
		next.ServeHTTP(w, r)
	})
}

func writeInternalNetworkRequired(w http.ResponseWriter) {
	writeError(w, &apiError{
		Status:  http.StatusForbidden,
		Code:    "INTERNAL_NETWORK_REQUIRED",
		Message: "该接口仅允许内部网络访问",
	})
}