104 lines
3.2 KiB
Nix
104 lines
3.2 KiB
Nix
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{ config, lib, libS, pkgs, ... }:
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let
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cfg = config.services.home-assistant;
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inherit (config.security) ldap;
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in
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{
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options = {
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services.home-assistant = {
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ldap = {
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enable = lib.mkEnableOption (lib.mdDoc ''login only via LDAP
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::: {.note}
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Only enable this after completing the onboarding!
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:::
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'');
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userGroup = libS.ldap.mkUserGroupOption;
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};
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recommendedDefaults = libS.mkOpinionatedOption "set recommended default settings";
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};
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};
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config.services.home-assistant = lib.mkMerge [
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(lib.mkIf (cfg.enable && cfg.recommendedDefaults) {
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config = {
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automation = "!include automations.yaml";
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default_config = { }; # yes, this is required...
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homeassistant = {
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auth_providers = lib.mkIf (!cfg.ldap.enable) [
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{ type = "homeassistant"; }
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];
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temperature_unit = "C";
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time_zone = config.time.timeZone;
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unit_system = "metric";
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};
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};
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})
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(lib.mkIf (cfg.enable && cfg.ldap.enable) {
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config.homeassistant.auth_providers = [{
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type = "command_line";
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# the script is not inheriting PATH from home-assistant
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command = pkgs.resholve.mkDerivation {
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pname = "ldap-auth-sh";
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version = "unstable-2019-02-23";
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src = pkgs.fetchFromGitHub {
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owner = "bob1de";
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repo = "ldap-auth-sh";
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rev = "819f9233116e68b5af5a5f45167bcbb4ed412ed4";
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hash = "sha256-+QjRP5SKUojaCv3lZX2Kv3wkaNvpWFd97phwsRlhroY=";
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};
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installPhase = ''
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install -Dm755 ldap-auth.sh -t $out/bin
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'';
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solutions.default = {
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fake.external = [ "on_auth_failure" "on_auth_success" ];
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inputs = with pkgs; [ coreutils curl gnugrep gnused openldap ];
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interpreter = "${pkgs.bash}/bin/bash";
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keep."source:$CONFIG_FILE" = true;
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scripts = [ "bin/ldap-auth.sh" ];
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};
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}+ "/bin/ldap-auth.sh";
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args = [
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# https://github.com/bob1de/ldap-auth-sh/blob/master/examples/home-assistant.cfg
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(pkgs.writeText "config.cfg" /* shell */ ''
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ATTRS="${ldap.userField}"
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CLIENT="ldapsearch"
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DEBUG=0
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FILTER="${ldap.groupFilter "home-assistant-users"}"
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NAME_ATTR="${ldap.userField}"
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SCOPE="base"
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SERVER="ldaps://${ldap.domainName}"
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USERDN="uid=$(ldap_dn_escape "$username"),${ldap.userBaseDN}"
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BASEDN="$USERDN"
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on_auth_success() {
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# print the meta entries for use in HA
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if [ ! -z "$NAME_ATTR" ]; then
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name=$(echo "$output" | ${lib.getExe pkgs.gnused} -nr "s/^\s*$NAME_ATTR:\s*(.+)\s*\$/\1/Ip")
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[ -z "$name" ] || echo "name=$name"
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fi
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}
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'')
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];
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meta = true;
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}];
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})
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];
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config.services.portunus.seedSettings.groups = lib.optional (cfg.ldap.userGroup != null) {
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long_name = "Home-Assistant Users";
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name = cfg.ldap.userGroup;
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permissions = { };
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};
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config.systemd.tmpfiles.rules = lib.mkIf (cfg.enable && cfg.recommendedDefaults) [
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"f ${cfg.configDir}/automations.yaml 0444 hass hass"
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];
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}
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