nixpkgs/nixos/modules/services/web-apps/microbin.nix
2023-10-16 21:38:20 +02:00

93 lines
3 KiB
Nix

{ config, lib, pkgs, ... }:
let
cfg = config.services.microbin;
in
{
options.services.microbin = {
enable = lib.mkEnableOption (lib.mdDoc "MicroBin is a super tiny, feature rich, configurable paste bin web application");
package = lib.mkPackageOption pkgs "microbin" { };
settings = lib.mkOption {
type = lib.types.submodule { freeformType = with lib.types; attrsOf (oneOf [ bool int str ]); };
default = { };
example = {
MICROBIN_PORT = 8080;
MICROBIN_HIDE_LOGO = false;
};
description = lib.mdDoc ''
Additional configuration for MicroBin, see
<https://microbin.eu/docs/installation-and-configuration/configuration/>
for supported values.
For secrets use passwordFile option instead.
'';
};
dataDir = lib.mkOption {
type = lib.types.str;
default = "/var/lib/microbin";
description = lib.mdDoc "Default data folder for MicroBin.";
};
passwordFile = lib.mkOption {
type = lib.types.nullOr lib.types.path;
default = null;
example = "/run/secrets/microbin.env";
description = lib.mdDoc ''
Path to file containing environment variables.
Useful for passing down secrets.
Variables that can be considered secrets are:
- MICROBIN_BASIC_AUTH_USERNAME
- MICROBIN_BASIC_AUTH_PASSWORD
- MICROBIN_ADMIN_USERNAME
- MICROBIN_ADMIN_PASSWORD
- MICROBIN_UPLOADER_PASSWORD
'';
};
};
config = lib.mkIf cfg.enable {
services.microbin.settings = with lib; {
MICROBIN_BIND = mkDefault "0.0.0.0";
MICROBIN_DISABLE_TELEMETRY = mkDefault true;
MICROBIN_LIST_SERVER = mkDefault false;
MICROBIN_PORT = mkDefault "8080";
};
systemd.services.microbin = {
after = [ "network.target" ];
wantedBy = [ "multi-user.target" ];
environment = lib.mapAttrs (_: v: if lib.isBool v then lib.boolToString v else toString v) cfg.settings;
serviceConfig = {
CapabilityBoundingSet = [ "CAP_NET_BIND_SERVICE" ];
DevicePolicy = "closed";
DynamicUser = true;
EnvironmentFile = lib.optional (cfg.passwordFile != null) cfg.passwordFile;
ExecStart = "${cfg.package}/bin/microbin";
LockPersonality = true;
MemoryDenyWriteExecute = true;
PrivateDevices = true;
PrivateUsers = true;
ProtectClock = true;
ProtectControlGroups = true;
ProtectHostname = true;
ProtectKernelLogs = true;
ProtectKernelModules = true;
ProtectKernelTunables = true;
ProtectProc = "invisible";
ReadWritePaths = cfg.dataDir;
RestrictAddressFamilies = [ "AF_INET" "AF_INET6" ];
RestrictNamespaces = true;
RestrictRealtime = true;
StateDirectory = "microbin";
SystemCallArchitectures = [ "native" ];
SystemCallFilter = [ "@system-service" ];
WorkingDirectory = cfg.dataDir;
};
};
};
meta.maintainers = with lib.maintainers; [ surfaceflinger ];
}