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https://gitlab.com/simple-nixos-mailserver/nixos-mailserver.git
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46a0829aa8
Allow the user to specify the name of the ACME configuration that the mailserver should use. This allows users that request certificates that aren't the FQDN of the mailserver, for example a wildcard certificate.
71 lines
2.7 KiB
Nix
71 lines
2.7 KiB
Nix
# nixos-mailserver: a simple mail server
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# Copyright (C) 2016-2018 Robin Raymond
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#
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# This program is free software: you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>
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{ config, pkgs, lib }:
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let
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cfg = config.mailserver;
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in
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{
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# cert :: PATH
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certificatePath = if cfg.certificateScheme == "manual"
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then cfg.certificateFile
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else if cfg.certificateScheme == "selfsigned"
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then "${cfg.certificateDirectory}/cert-${cfg.fqdn}.pem"
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else if cfg.certificateScheme == "acme" || cfg.certificateScheme == "acme-nginx"
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then "${config.security.acme.certs.${cfg.acmeCertificateName}.directory}/fullchain.pem"
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else throw "unknown certificate scheme";
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# key :: PATH
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keyPath = if cfg.certificateScheme == "manual"
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then cfg.keyFile
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else if cfg.certificateScheme == "selfsigned"
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then "${cfg.certificateDirectory}/key-${cfg.fqdn}.pem"
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else if cfg.certificateScheme == "acme" || cfg.certificateScheme == "acme-nginx"
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then "${config.security.acme.certs.${cfg.acmeCertificateName}.directory}/key.pem"
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else throw "unknown certificate scheme";
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passwordFiles = let
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mkHashFile = name: hash: pkgs.writeText "${builtins.hashString "sha256" name}-password-hash" hash;
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in
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lib.mapAttrs (name: value:
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if value.hashedPasswordFile == null then
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builtins.toString (mkHashFile name value.hashedPassword)
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else value.hashedPasswordFile) cfg.loginAccounts;
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# Appends the LDAP bind password to files to avoid writing this
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# password into the Nix store.
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appendLdapBindPwd = {
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name, file, prefix, suffix ? "", passwordFile, destination
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}: pkgs.writeScript "append-ldap-bind-pwd-in-${name}" ''
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#!${pkgs.stdenv.shell}
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set -euo pipefail
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baseDir=$(dirname ${destination})
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if (! test -d "$baseDir"); then
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mkdir -p $baseDir
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chmod 755 $baseDir
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fi
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cat ${file} > ${destination}
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echo -n '${prefix}' >> ${destination}
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cat ${passwordFile} >> ${destination}
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echo -n '${suffix}' >> ${destination}
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chmod 600 ${destination}
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'';
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}
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