diff options
Diffstat (limited to 'nixpkgs/nixos/modules/services/security/bitwarden_rs/default.nix')
-rw-r--r-- | nixpkgs/nixos/modules/services/security/bitwarden_rs/default.nix | 126 |
1 files changed, 126 insertions, 0 deletions
diff --git a/nixpkgs/nixos/modules/services/security/bitwarden_rs/default.nix b/nixpkgs/nixos/modules/services/security/bitwarden_rs/default.nix new file mode 100644 index 000000000000..80fd65891ff8 --- /dev/null +++ b/nixpkgs/nixos/modules/services/security/bitwarden_rs/default.nix @@ -0,0 +1,126 @@ +{ config, lib, pkgs, ... }: + +with lib; + +let + cfg = config.services.bitwarden_rs; + user = config.users.users.bitwarden_rs.name; + group = config.users.groups.bitwarden_rs.name; + + # Convert name from camel case (e.g. disable2FARemember) to upper case snake case (e.g. DISABLE_2FA_REMEMBER). + nameToEnvVar = name: + let + parts = builtins.split "([A-Z0-9]+)" name; + partsToEnvVar = parts: foldl' (key: x: let last = stringLength key - 1; in + if isList x then key + optionalString (key != "" && substring last 1 key != "_") "_" + head x + else if key != "" && elem (substring 0 1 x) lowerChars then # to handle e.g. [ "disable" [ "2FAR" ] "emember" ] + substring 0 last key + optionalString (substring (last - 1) 1 key != "_") "_" + substring last 1 key + toUpper x + else key + toUpper x) "" parts; + in if builtins.match "[A-Z0-9_]+" name != null then name else partsToEnvVar parts; + + configFile = pkgs.writeText "bitwarden_rs.env" (concatMapStrings (s: s + "\n") ( + (concatLists (mapAttrsToList (name: value: + if value != null then [ "${nameToEnvVar name}=${if isBool value then boolToString value else toString value}" ] else [] + ) cfg.config)))); + +in { + options.services.bitwarden_rs = with types; { + enable = mkEnableOption "bitwarden_rs"; + + backupDir = mkOption { + type = nullOr str; + default = null; + description = '' + The directory under which bitwarden_rs will backup its persistent data. + ''; + }; + + config = mkOption { + type = attrsOf (nullOr (oneOf [ bool int str ])); + default = {}; + example = literalExample '' + { + domain = https://bw.domain.tld:8443; + signupsAllowed = true; + rocketPort = 8222; + rocketLog = "critical"; + } + ''; + description = '' + The configuration of bitwarden_rs is done through environment variables, + therefore the names are converted from camel case (e.g. disable2FARemember) + to upper case snake case (e.g. DISABLE_2FA_REMEMBER). + In this conversion digits (0-9) are handled just like upper case characters, + so foo2 would be converted to FOO_2. + Names already in this format remain unchanged, so FOO2 remains FOO2 if passed as such, + even though foo2 would have been converted to FOO_2. + This allows working around any potential future conflicting naming conventions. + + Based on the attributes passed to this config option a environment file will be generated + that is passed to bitwarden_rs's systemd service. + + The available configuration options can be found in + <link xlink:href="https://github.com/dani-garcia/bitwarden_rs/blob/1.8.0/.env.template">the environment template file</link>. + ''; + apply = config: optionalAttrs config.webVaultEnabled { + webVaultFolder = "${pkgs.bitwarden_rs-vault}/share/bitwarden_rs/vault"; + } // config; + }; + }; + + config = mkIf cfg.enable { + services.bitwarden_rs.config = { + dataFolder = "/var/lib/bitwarden_rs"; + webVaultEnabled = mkDefault true; + }; + + users.users.bitwarden_rs = { inherit group; }; + users.groups.bitwarden_rs = { }; + + systemd.services.bitwarden_rs = { + after = [ "network.target" ]; + path = with pkgs; [ openssl ]; + serviceConfig = { + User = user; + Group = group; + EnvironmentFile = configFile; + ExecStart = "${pkgs.bitwarden_rs}/bin/bitwarden_rs"; + LimitNOFILE = "1048576"; + LimitNPROC = "64"; + PrivateTmp = "true"; + PrivateDevices = "true"; + ProtectHome = "true"; + ProtectSystem = "strict"; + AmbientCapabilities = "CAP_NET_BIND_SERVICE"; + StateDirectory = "bitwarden_rs"; + }; + wantedBy = [ "multi-user.target" ]; + }; + + systemd.services.backup-bitwarden_rs = mkIf (cfg.backupDir != null) { + description = "Backup bitwarden_rs"; + environment = { + DATA_FOLDER = "/var/lib/bitwarden_rs"; + BACKUP_FOLDER = cfg.backupDir; + }; + path = with pkgs; [ sqlite ]; + serviceConfig = { + SyslogIdentifier = "backup-bitwarden_rs"; + User = mkDefault user; + Group = mkDefault group; + ExecStart = "${pkgs.bash}/bin/bash ${./backup.sh}"; + }; + wantedBy = [ "multi-user.target" ]; + }; + + systemd.timers.backup-bitwarden_rs = mkIf (cfg.backupDir != null) { + description = "Backup bitwarden_rs on time"; + timerConfig = { + OnCalendar = mkDefault "23:00"; + Persistent = "true"; + Unit = "backup-bitwarden_rs.service"; + }; + wantedBy = [ "multi-user.target" ]; + }; + }; +} |