os/modules/actual/default.nix

122 lines
3.1 KiB
Nix

{
lib,
pkgs,
config,
...
}:
let
inherit (lib)
getExe
mkDefault
mkEnableOption
mkIf
mkOption
mkPackageOption
types
;
cfg = config.services.actual;
configFile = formatType.generate "config.json" cfg.settings;
dataDir = "/var/lib/actual";
formatType = pkgs.formats.json { };
in
{
options.services.actual = {
enable = mkEnableOption "actual, a privacy focused app for managing your finances";
package = mkPackageOption pkgs "actual-server" { };
openFirewall = mkOption {
default = false;
type = types.bool;
description = "Whether to open the firewall for the specified port.";
};
settings = mkOption {
default = { };
description = "Server settings, refer to (the documentation)[https://actualbudget.org/docs/config/] for available options.";
type = types.submodule {
freeformType = formatType.type;
options = {
hostname = mkOption {
type = types.str;
description = "The address to listen on";
default = "::";
};
port = mkOption {
type = types.port;
description = "The port to listen on";
default = 3000;
};
};
config = {
serverFiles = mkDefault "${dataDir}/server-files";
userFiles = mkDefault "${dataDir}/user-files";
dataDir = mkDefault dataDir;
};
};
};
};
config = mkIf cfg.enable {
networking.firewall.allowedTCPPorts = mkIf cfg.openFirewall [ cfg.settings.port ];
systemd.services.actual = {
description = "Actual server, a local-first personal finance app";
after = [ "network.target" ];
wantedBy = [ "multi-user.target" ];
environment.ACTUAL_CONFIG_PATH = configFile;
serviceConfig = {
ExecStart = getExe cfg.package;
DynamicUser = true;
User = "actual";
Group = "actual";
StateDirectory = "actual";
WorkingDirectory = dataDir;
LimitNOFILE = "1048576";
PrivateTmp = true;
PrivateDevices = true;
StateDirectoryMode = "0700";
Restart = "always";
# Hardening
CapabilityBoundingSet = "";
LockPersonality = true;
#MemoryDenyWriteExecute = true; # Leads to coredump because V8 does JIT
PrivateUsers = true;
ProtectClock = true;
ProtectControlGroups = true;
ProtectHome = true;
ProtectHostname = true;
ProtectKernelLogs = true;
ProtectKernelModules = true;
ProtectKernelTunables = true;
ProtectProc = "invisible";
ProcSubset = "pid";
ProtectSystem = "strict";
RestrictAddressFamilies = [
"AF_INET"
"AF_INET6"
"AF_NETLINK"
];
RestrictNamespaces = true;
RestrictRealtime = true;
SystemCallArchitectures = "native";
SystemCallFilter = [
"@system-service"
"@pkey"
];
UMask = "0077";
};
};
};
meta.maintainers = [
lib.maintainers.oddlama
lib.maintainers.patrickdag
];
}