nixpkgs/nixos/modules/services/web-apps/miniflux.nix
2021-10-04 12:47:20 +02:00

131 lines
3.9 KiB
Nix

{ config, lib, pkgs, ... }:
with lib;
let
cfg = config.services.miniflux;
dbUser = "miniflux";
dbPassword = "miniflux";
dbHost = "localhost";
dbName = "miniflux";
defaultCredentials = pkgs.writeText "miniflux-admin-credentials" ''
ADMIN_USERNAME=admin
ADMIN_PASSWORD=password
'';
pgbin = "${config.services.postgresql.package}/bin";
preStart = pkgs.writeScript "miniflux-pre-start" ''
#!${pkgs.runtimeShell}
db_exists() {
[ "$(${pgbin}/psql -Atc "select 1 from pg_database where datname='$1'")" == "1" ]
}
if ! db_exists "${dbName}"; then
${pgbin}/psql postgres -c "CREATE ROLE ${dbUser} WITH LOGIN NOCREATEDB NOCREATEROLE ENCRYPTED PASSWORD '${dbPassword}'"
${pgbin}/createdb --owner "${dbUser}" "${dbName}"
${pgbin}/psql "${dbName}" -c "CREATE EXTENSION IF NOT EXISTS hstore"
fi
'';
in
{
options = {
services.miniflux = {
enable = mkEnableOption "miniflux";
config = mkOption {
type = types.attrsOf types.str;
example = literalExpression ''
{
CLEANUP_FREQUENCY = "48";
LISTEN_ADDR = "localhost:8080";
}
'';
description = ''
Configuration for Miniflux, refer to
<link xlink:href="https://miniflux.app/docs/configuration.html"/>
for documentation on the supported values.
'';
};
adminCredentialsFile = mkOption {
type = types.nullOr types.path;
default = null;
description = ''
File containing the ADMIN_USERNAME, default is "admin", and
ADMIN_PASSWORD (length >= 6), default is "password"; in the format of
an EnvironmentFile=, as described by systemd.exec(5).
'';
example = "/etc/nixos/miniflux-admin-credentials";
};
};
};
config = mkIf cfg.enable {
services.miniflux.config = {
LISTEN_ADDR = mkDefault "localhost:8080";
DATABASE_URL = "postgresql://${dbUser}:${dbPassword}@${dbHost}/${dbName}?sslmode=disable";
RUN_MIGRATIONS = "1";
CREATE_ADMIN = "1";
};
services.postgresql.enable = true;
systemd.services.miniflux-dbsetup = {
description = "Miniflux database setup";
wantedBy = [ "multi-user.target" ];
requires = [ "postgresql.service" ];
after = [ "network.target" "postgresql.service" ];
serviceConfig = {
Type = "oneshot";
User = config.services.postgresql.superUser;
ExecStart = preStart;
};
};
systemd.services.miniflux = {
description = "Miniflux service";
wantedBy = [ "multi-user.target" ];
requires = [ "postgresql.service" ];
after = [ "network.target" "postgresql.service" "miniflux-dbsetup.service" ];
serviceConfig = {
ExecStart = "${pkgs.miniflux}/bin/miniflux";
DynamicUser = true;
RuntimeDirectory = "miniflux";
RuntimeDirectoryMode = "0700";
EnvironmentFile = if cfg.adminCredentialsFile == null
then defaultCredentials
else cfg.adminCredentialsFile;
# Hardening
CapabilityBoundingSet = [ "" ];
DeviceAllow = [ "" ];
LockPersonality = true;
MemoryDenyWriteExecute = true;
PrivateDevices = true;
PrivateUsers = true;
ProcSubset = "pid";
ProtectClock = true;
ProtectControlGroups = true;
ProtectHome = true;
ProtectHostname = true;
ProtectKernelLogs = true;
ProtectKernelModules = true;
ProtectKernelTunables = true;
ProtectProc = "invisible";
RestrictAddressFamilies = [ "AF_INET" "AF_INET6" ];
RestrictNamespaces = true;
RestrictRealtime = true;
RestrictSUIDSGID = true;
SystemCallArchitectures = "native";
SystemCallFilter = [ "@system-service" "~@privileged" "~@resources" ];
UMask = "0077";
};
environment = cfg.config;
};
environment.systemPackages = [ pkgs.miniflux ];
};
}