func (h *handler) handleLogin(w http.ResponseWriter, r *http.Request, s *session.Session) (interface{}, error) {
handle := r.FormValue("handle")
c, err := h.dbMgr.FetchCoder(handle)
if err != nil || c == nil {
return nil, err
}
passwd := r.FormValue("passwd")
if !c.CheckPasswd(passwd) {
return nil, nil
}
s.Set("coder", c)
if err := s.Save(); err != nil {
return nil, err
}
return c, nil
}
