signal-irc-bridge/module.nix
2024-05-22 17:09:01 +02:00

86 lines
2.5 KiB
Nix

{ pkgs, config, lib, ... }:
let
cfg = config.services.signal-irc-bridge;
mkSystemdRunOptions = opts: lib.escapeShellArgs (lib.mapAttrsToList (k: v: "-p${k}=${builtins.toString v}") opts);
commonServiceOptions = {
DynamicUser = true;
User = "signal-irc-client";
StateDirectory = "signal-cli";
RuntimeDirectory = "signal-cli";
PrivateDevices=true;
PrivateTmp=true;
ProtectControlGroups=true;
ProtectKernelTunables=true;
RestrictSUIDSGID=true;
ProtectSystem="strict";
ProtectKernelLogs=true;
ProtectProc="invisible";
PrivateUsers=true;
ProtectHome=true;
UMask="0077";
RuntimeDirectoryMode="0750";
StateDirectoryMode="0750";
};
signal-cli-bridge-wrapper = pkgs.writeShellApplication {
name = "signal-cli-bridge-wrapper";
text = ''
systemd-run ${mkSystemdRunOptions commonServiceOptions} --pty --pipe --unit="signal-cli-bridge" ${lib.getExe pkgs.signal-cli} --config "\''${STATE_DIRECTORY}"/signal-cli-config/ "$@"
'';
};
in {
options = {
services.signal-irc-bridge = {
enable = lib.mkEnableOption "signal-irc bridge";
package = lib.mkOption {
type = lib.types.package;
default = pkgs.signal-irc-bridge;
};
configFile = lib.mkOption {
type = lib.types.path;
description = "Path to the toml config file";
};
};
};
config = {
nixpkgs.overlays = [
(import ./overlay.nix)
];
systemd.services = lib.mkIf cfg.enable {
signal-irc-bridge = {
script = ''
CONFIG_PATH=$CREDENTIALS_DIRECTORY/config ${lib.getExe cfg.package}
'';
unitConfig = {
BindsTo = [ "signal-irc-bridge-signal-cli.service" ];
After = [ "signal-irc-bridge-signal-cli.service" ];
};
serviceConfig = commonServiceOptions // {
Restart = "always";
RestartSec= "5s";
LoadCredentials = [ "config:${cfg.configFile}" ];
# Change state/runtime dirs because it deletes the socket else
StateDirectory = "signal-irc";
RuntimeDirectory = "signal-irc";
};
};
signal-irc-bridge-signal-cli = {
serviceConfig = commonServiceOptions // {
ExecStart = "${lib.getExe pkgs.signal-cli} --config \"\${STATE_DIRECTORY}\"/signal-cli-config/ daemon --socket \"\${RUNTIME_DIRECTORY}\"/socket --receive-mode=manual";
Restart = "always";
RestartSec= "5s";
};
};
};
environment.systemPackages = lib.mkIf cfg.enable [
signal-cli-bridge-wrapper
];
};
}