nixos/modules/common/services/lk-jwt-service.nix
2025-04-18 17:34:15 -04:00

85 lines
2.5 KiB
Nix

{
config,
lib,
pkgs,
...
}: let
cfg = config.services.lk-jwt-service;
in {
meta.maintainers = [lib.maintainers.quadradical];
options.services.lk-jwt-service = {
enable = lib.mkEnableOption "Enable lk-jwt-service";
package = lib.mkPackageOption pkgs "lk-jwt-service" {};
livekitUrl = lib.mkOption {
type = lib.types.strMatching "^wss?://.*";
example = "wss://example.com/livekit/sfu";
description = ''
The public websocket URL for livekit.
The proto needs to be either `wss://` (recommended) or `ws://` (insecure).
'';
};
keyFile = lib.mkOption {
type = lib.types.path;
description = ''
Path to your LiveKit key file, with syntax `APIkey: secret`.
For more information, see <https://github.com/element-hq/lk-jwt-service#configuration>.
'';
};
port = lib.mkOption {
type = lib.types.port;
default = 8080;
description = "Port that lk-jwt-service should listen on.";
};
};
config = lib.mkIf cfg.enable {
systemd.services.lk-jwt-service = {
description = "Minimal service to issue LiveKit JWTs for MatrixRTC";
documentation = ["https://github.com/element-hq/lk-jwt-service"];
wantedBy = ["multi-user.target"];
wants = ["network-online.target"];
after = ["network-online.target"];
environment = {
LIVEKIT_URL = cfg.livekitUrl;
LIVEKIT_JWT_PORT = toString cfg.port;
LIVEKIT_KEY_FILE = "/run/credentials/lk-jwt-service.service/livekit-secrets";
};
serviceConfig = {
DynamicUser = true;
LockPersonality = true;
MemoryDenyWriteExecute = true;
ProtectClock = true;
ProtectControlGroups = true;
ProtectHostname = true;
ProtectKernelLogs = true;
ProtectKernelModules = true;
ProtectKernelTunables = true;
PrivateDevices = true;
PrivateMounts = true;
PrivateUsers = true;
RestrictAddressFamilies = [
"AF_INET"
"AF_INET6"
];
RestrictNamespaces = true;
RestrictRealtime = true;
ProtectHome = true;
SystemCallArchitectures = "native";
SystemCallFilter = [
"@system-service"
"~@privileged"
"~@resources"
];
LoadCredential = ["livekit-secrets:${cfg.keyFile}"];
ExecStart = lib.getExe cfg.package;
Restart = "on-failure";
RestartSec = 5;
UMask = "077";
};
};
};
}