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Merge pull request #292477 from nu-nu-ko/nixos-komga-hardening

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nixos/komga: add service hardening and misc format changes.
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Guillaume Girol 2024-03-16 17:34:45 +01:00 committed by GitHub
commit 119099506c
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1 changed files with 80 additions and 57 deletions
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137
nixos/modules/services/web-apps/komga.nix
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@ -1,99 +1,122 @@
{ config, pkgs, lib, ... }:
with lib;
{
config,
pkgs,
lib,
...
}:
let
cfg = config.services.komga;
in {
inherit (lib) mkOption mkEnableOption maintainers;
inherit (lib.types) port str bool;
in
{
options = {
services.komga = {
enable = mkEnableOption (lib.mdDoc "Komga, a free and open source comics/mangas media server");
enable = mkEnableOption "Komga, a free and open source comics/mangas media server";
port = mkOption {
type = types.port;
type = port;
default = 8080;
description = lib.mdDoc ''
The port that Komga will listen on.
'';
description = "The port that Komga will listen on.";
};
user = mkOption {
type = types.str;
type = str;
default = "komga";
description = lib.mdDoc ''
User account under which Komga runs.
'';
description = "User account under which Komga runs.";
};
group = mkOption {
type = types.str;
type = str;
default = "komga";
description = lib.mdDoc ''
Group under which Komga runs.
'';
description = "Group under which Komga runs.";
};
stateDir = mkOption {
type = types.str;
type = str;
default = "/var/lib/komga";
description = lib.mdDoc ''
State and configuration directory Komga will use.
'';
description = "State and configuration directory Komga will use.";
};
openFirewall = mkOption {
type = types.bool;
type = bool;
default = false;
description = lib.mdDoc ''
Whether to open the firewall for the port in {option}`services.komga.port`.
'';
description = "Whether to open the firewall for the port in {option}`services.komga.port`.";
};
};
};
config = mkIf cfg.enable {
config =
let
inherit (lib) mkIf getExe;
in
mkIf cfg.enable {
networking.firewall.allowedTCPPorts = mkIf cfg.openFirewall [ cfg.port ];
networking.firewall.allowedTCPPorts = mkIf cfg.openFirewall [ cfg.port ];
users.groups = mkIf (cfg.group == "komga") {
komga = {};
};
users.groups = mkIf (cfg.group == "komga") { komga = { }; };
users.users = mkIf (cfg.user == "komga") {
komga = {
group = cfg.group;
home = cfg.stateDir;
description = "Komga Daemon user";
isSystemUser = true;
};
};
systemd.services.komga = {
environment = {
SERVER_PORT = builtins.toString cfg.port;
KOMGA_CONFIGDIR = cfg.stateDir;
users.users = mkIf (cfg.user == "komga") {
komga = {
group = cfg.group;
home = cfg.stateDir;
description = "Komga Daemon user";
isSystemUser = true;
};
};
description = "Komga is a free and open source comics/mangas media server";
systemd.services.komga = {
environment = {
SERVER_PORT = builtins.toString cfg.port;
KOMGA_CONFIGDIR = cfg.stateDir;
};
wantedBy = [ "multi-user.target" ];
wants = [ "network-online.target" ];
after = [ "network-online.target" ];
description = "Komga is a free and open source comics/mangas media server";
serviceConfig = {
User = cfg.user;
Group = cfg.group;
wantedBy = [ "multi-user.target" ];
wants = [ "network-online.target" ];
after = [ "network-online.target" ];
Type = "simple";
Restart = "on-failure";
ExecStart = "${pkgs.komga}/bin/komga";
serviceConfig = {
User = cfg.user;
Group = cfg.group;
StateDirectory = mkIf (cfg.stateDir == "/var/lib/komga") "komga";
Type = "simple";
Restart = "on-failure";
ExecStart = getExe pkgs.komga;
StateDirectory = mkIf (cfg.stateDir == "/var/lib/komga") "komga";
RemoveIPC = true;
NoNewPrivileges = true;
CapabilityBoundingSet = "";
SystemCallFilter = [ "@system-service" ];
ProtectSystem = "full";
PrivateTmp = true;
ProtectProc = "invisible";
ProtectClock = true;
ProcSubset = "pid";
PrivateUsers = true;
PrivateDevices = true;
ProtectHostname = true;
ProtectKernelTunables = true;
RestrictAddressFamilies = [
"AF_INET"
"AF_INET6"
"AF_NETLINK"
];
LockPersonality = true;
RestrictNamespaces = true;
ProtectKernelLogs = true;
ProtectControlGroups = true;
ProtectKernelModules = true;
SystemCallArchitectures = "native";
RestrictSUIDSGID = true;
RestrictRealtime = true;
};
};
};
};
meta.maintainers = with maintainers; [ govanify ];
}