misc_nixos-mailserver/mail-server/common.nix
2017-11-09 14:17:03 -08:00

47 lines
1.8 KiB
Nix

# nixos-mailserver: a simple mail server
# Copyright (C) 2016-2017 Robin Raymond
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>
{ config, lib }:
let
cfg = config.mailserver;
inherit (lib.strings) stringToCharacters;
in
{
# cert :: PATH
certificatePath = if cfg.certificateScheme == 1
then cfg.certificateFile
else if cfg.certificateScheme == 2
then "${cfg.certificateDirectory}/cert-${cfg.domain}.pem"
else if cfg.certificateScheme == 3
then "/var/lib/acme/mailserver/fullchain.pem"
else throw "Error: Certificate Scheme must be in { 1, 2, 3 }";
# key :: PATH
keyPath = if cfg.certificateScheme == 1
then cfg.keyFile
else if cfg.certificateScheme == 2
then "${cfg.certificateDirectory}/key-${cfg.domain}.pem"
else if cfg.certificateScheme == 3
then "/var/lib/acme/mailserver/key.pem"
else throw "Error: Certificate Scheme must be in { 1, 2, 3 }";
# appends cfg.domain to argument if it does not contain "@"
qualifyUser = user: (
if (builtins.any (c: c == "@") (stringToCharacters user))
then user
else "${user}@${cfg.domain}");
}