revel authentication request

func Auth(c *revel.Controller) bool {
	if LoggedInCheck() {//write your own
		return true
	}
	email, pass, _ := c.Request.BasicAuth()
 	//login n password

	//TODO check login here
	//...
  
	if email == "" {
		//bypass revel to http.Response (c.Response.Out)
		c.Response.Out.Header().Add("WWW-Authenticate", `Basic realm="MY REALM"`)
		c.Response.Out.WriteHeader(401)
		c.Response.Out.Write([]byte("401 Unauthorized\n"))

		return false
	}

	return true
}