{ config, lib, pkgs, user, ... }: #with lib.my; with lib; let this = config.my.system.ssh; publicKey = pkgs.fetchurl { url = "https://github.com/jamesepatrick.keys"; sha256 = "sha256-alm6KRFca4VjzTyVEg+j1s0uKaSfvV76o3sgYNAisSA="; }; in { options.my = { system.ssh.enable = mkOption { default = true; type = with types; bool; }; }; config = mkIf this.enable { # Openssh settings for security services.openssh = { enable = true; permitRootLogin = "no"; passwordAuthentication = false; }; users.users."${user.name}".openssh.authorizedKeys.keyFiles = [ publicKey ]; }; }