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|
{ config, lib, pkgs, ... }:
with lib;
let
cfg = config.services.ntfy-sh;
settingsFormat = pkgs.formats.yaml { };
in
{
options.services.ntfy-sh = {
enable = mkEnableOption (mdDoc "[ntfy-sh](https://ntfy.sh), a push notification service");
package = mkOption {
type = types.package;
default = pkgs.ntfy-sh;
defaultText = literalExpression "pkgs.ntfy-sh";
description = mdDoc "The ntfy.sh package to use.";
};
user = mkOption {
default = "ntfy-sh";
type = types.str;
description = lib.mdDoc "User the ntfy-sh server runs under.";
};
group = mkOption {
default = "ntfy-sh";
type = types.str;
description = lib.mdDoc "Primary group of ntfy-sh user.";
};
settings = mkOption {
type = types.submodule {
freeformType = settingsFormat.type;
options = {
base-url = mkOption {
type = types.str;
example = "https://ntfy.example";
description = lib.mdDoc ''
Public facing base URL of the service
This setting is required for any of the following features:
- attachments (to return a download URL)
- e-mail sending (for the topic URL in the email footer)
- iOS push notifications for self-hosted servers
(to calculate the Firebase poll_request topic)
- Matrix Push Gateway (to validate that the pushkey is correct)
'';
};
};
};
default = { };
example = literalExpression ''
{
listen-http = ":8080";
}
'';
description = mdDoc ''
Configuration for ntfy.sh, supported values are [here](https://ntfy.sh/docs/config/#config-options).
'';
};
};
config =
let
configuration = settingsFormat.generate "server.yml" cfg.settings;
in
mkIf cfg.enable {
# to configure access control via the cli
environment = {
etc."ntfy/server.yml".source = configuration;
systemPackages = [ cfg.package ];
};
services.ntfy-sh.settings = {
auth-file = mkDefault "/var/lib/ntfy-sh/user.db";
listen-http = mkDefault "127.0.0.1:2586";
attachment-cache-dir = mkDefault "/var/lib/ntfy-sh/attachments";
cache-file = mkDefault "/var/lib/ntfy-sh/cache-file.db";
};
systemd.tmpfiles.rules = [
"f ${cfg.settings.auth-file} 0600 ${cfg.user} ${cfg.group} - -"
"d ${cfg.settings.attachment-cache-dir} 0700 ${cfg.user} ${cfg.group} - -"
"f ${cfg.settings.cache-file} 0600 ${cfg.user} ${cfg.group} - -"
];
systemd.services.ntfy-sh = {
description = "Push notifications server";
wantedBy = [ "multi-user.target" ];
after = [ "network.target" ];
serviceConfig = {
ExecStart = "${cfg.package}/bin/ntfy serve -c ${configuration}";
User = cfg.user;
StateDirectory = "ntfy-sh";
DynamicUser = true;
AmbientCapabilities = "CAP_NET_BIND_SERVICE";
PrivateTmp = true;
NoNewPrivileges = true;
CapabilityBoundingSet = "CAP_NET_BIND_SERVICE";
ProtectSystem = "full";
ProtectKernelTunables = true;
ProtectKernelModules = true;
ProtectKernelLogs = true;
ProtectControlGroups = true;
PrivateDevices = true;
RestrictSUIDSGID = true;
RestrictNamespaces = true;
RestrictRealtime = true;
MemoryDenyWriteExecute = true;
# Upstream Recommandation
LimitNOFILE = 20500;
};
};
users.groups = optionalAttrs (cfg.group == "ntfy-sh") {
ntfy-sh = { };
};
users.users = optionalAttrs (cfg.user == "ntfy-sh") {
ntfy-sh = {
isSystemUser = true;
group = cfg.group;
};
};
};
}
|