pvv-nixos-config/hosts/bekkalokk/services/gitea/web-secret-provider/default.nix

111 lines
3.3 KiB
Nix

{ config, pkgs, lib, ... }:
let
organizations = [
"Drift"
"Projects"
"Kurs"
];
cfg = config.services.gitea;
program = pkgs.writers.writePython3 "gitea-web-secret-provider" {
libraries = with pkgs.python3Packages; [ requests ];
flakeIgnore = [
"E501" # Line over 80 chars lol
"E201" # "whitespace after {" < this looks better bruh
"E202" # "whitespace after }" < brot
"E251" # unexpected spaces around keyword / parameter equals < megabrot
"W391" # Newline at end of file < nei vil ikke
];
makeWrapperArgs = [
"--prefix PATH : ${(lib.makeBinPath [ pkgs.openssh ])}"
];
} (lib.pipe ./gitea-web-secret-provider.py [
builtins.readFile
(lib.splitString "\n")
(lib.drop 2)
lib.concatLines
]);
in
{
sops.secrets."gitea/web-secret-provider/token" = {
owner = "gitea";
group = "gitea";
restartUnits = [
"gitea-web-secret-provider@.service"
"gitea-web-secret-provider@.timer"
]
++ (map (org: "gitea-web-secret-provider@${org}.service") organizations)
++ (map (org: "gitea-web-secret-provider@${org}.timer") organizations);
};
# https://www.freedesktop.org/software/systemd/man/latest/systemd.unit.html#Specifiers
# %i - instance name (after the @)
# %d - secrets directory
# %S - /var/lib
systemd.services = {
"gitea-web-secret-provider@" = {
description = "Gitea web secret provider";
requires = [ "gitea.service" "network.target" ];
serviceConfig = {
Type = "oneshot";
ExecStart = let
args = lib.cli.toGNUCommandLineShell { } {
org = "%i";
token-path = "%d/token";
api-url = "${cfg.settings.server.ROOT_URL}api/v1";
key-dir = "%S/%i/keys";
authorized-keys-path = "%S/gitea-web/authorized_keys.d/%i";
rrsync-path = "${pkgs.rrsync}/bin/rrsync";
web-dir = "%S/gitea-web/web";
};
in "${program} ${args}";
User = "gitea";
Group = "gitea";
StateDirectory = "%i";
LoadCredential = [
"token:${config.sops.secrets."gitea/web-secret-provider/token".path}"
];
# Hardening
NoNewPrivileges = true;
PrivateTmp = true;
PrivateDevices = true;
ProtectSystem = true;
ProtectHome = true;
ProtectControlGroups = true;
ProtectKernelModules = true;
ProtectKernelTunables = true;
RestrictAddressFamilies = [ "AF_INET" "AF_INET6" ];
RestrictRealtime = true;
RestrictSUIDSGID = true;
MemoryDenyWriteExecute = true;
LockPersonality = true;
};
};
};
systemd.timers = {
"gitea-web-secret-provider@" = {
description = "Run the Gitea web secret provider";
wantedBy = [ "timers.target" ];
timerConfig = {
RandomizedDelaySec = "1h";
Persistent = true;
Unit = "gitea-web-secret-provider@%i.service";
OnCalendar = "daily";
};
};
};
systemd.targets.timers.wants = map (org: "gitea-web-secret-provider@${org}.timer") organizations;
systemd.tmpfiles.settings."10-gitea-web-secret-provider"."/var/lib/gitea-web/authorized_keys.d".d = {
user = "gitea";
group = "gitea";
mode = "700";
};
services.openssh.authorizedKeysFiles = map (org: "/var/lib/gitea-web/authorized_keys.d/${org}") organizations;
}