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home-manager/modules/programs/gpg.nix
2021-04-28 14:39:58 -04:00

110 lines
3.3 KiB
Nix

{ config, lib, pkgs, ... }:
with lib;
let
cfg = config.programs.gpg;
mkKeyValue = key: value:
if isString value
then "${key} ${value}"
else optionalString value key;
cfgText = generators.toKeyValue {
inherit mkKeyValue;
listsAsDuplicateKeys = true;
} cfg.settings;
scdaemonCfgText = generators.toKeyValue {
inherit mkKeyValue;
listsAsDuplicateKeys = true;
} cfg.scdaemonSettings;
primitiveType = types.oneOf [ types.str types.bool ];
in
{
options.programs.gpg = {
enable = mkEnableOption "GnuPG";
package = mkOption {
type = types.package;
default = pkgs.gnupg;
defaultText = literalExample "pkgs.gnupg";
example = literalExample "pkgs.gnupg23";
description = "The Gnupg package to use (also used the gpg-agent service).";
};
settings = mkOption {
type = types.attrsOf (types.either primitiveType (types.listOf types.str));
example = literalExample ''
{
no-comments = false;
s2k-cipher-algo = "AES128";
}
'';
description = ''
GnuPG configuration options. Available options are described
in the gpg manpage:
<link xlink:href="https://gnupg.org/documentation/manpage.html"/>.
'';
};
scdaemonSettings = mkOption {
type = types.attrsOf (types.either primitiveType (types.listOf types.str));
example = literalExample ''
{
disable-ccid = true;
}
'';
description = ''
SCdaemon configuration options. Available options are described
in the gpg scdaemon manpage:
<link xlink:href="https://www.gnupg.org/documentation/manuals/gnupg/Scdaemon-Options.html"/>.
'';
};
homedir = mkOption {
type = types.path;
example = literalExample "\"\${config.xdg.dataHome}/gnupg\"";
default = "${config.home.homeDirectory}/.gnupg";
defaultText = literalExample "\"\${config.home.homeDirectory}/.gnupg\"";
description = "Directory to store keychains and configuration.";
};
};
config = mkIf cfg.enable {
programs.gpg.settings = {
personal-cipher-preferences = mkDefault "AES256 AES192 AES";
personal-digest-preferences = mkDefault "SHA512 SHA384 SHA256";
personal-compress-preferences = mkDefault "ZLIB BZIP2 ZIP Uncompressed";
default-preference-list = mkDefault "SHA512 SHA384 SHA256 AES256 AES192 AES ZLIB BZIP2 ZIP Uncompressed";
cert-digest-algo = mkDefault "SHA512";
s2k-digest-algo = mkDefault "SHA512";
s2k-cipher-algo = mkDefault "AES256";
charset = mkDefault "utf-8";
fixed-list-mode = mkDefault true;
no-comments = mkDefault true;
no-emit-version = mkDefault true;
keyid-format = mkDefault "0xlong";
list-options = mkDefault "show-uid-validity";
verify-options = mkDefault "show-uid-validity";
with-fingerprint = mkDefault true;
require-cross-certification = mkDefault true;
no-symkey-cache = mkDefault true;
use-agent = mkDefault true;
};
programs.gpg.scdaemonSettings = {
# no defaults for scdaemon
};
home.packages = [ cfg.package ];
home.sessionVariables = {
GNUPGHOME = cfg.homedir;
};
home.file."${cfg.homedir}/gpg.conf".text = cfgText;
home.file."${cfg.homedir}/scdaemon.conf".text = scdaemonCfgText;
};
}