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