{ config, lib, pkgs, ... }: with lib; let cfg = config.services.webdav-server-rs; format = pkgs.formats.toml { }; settings = recursiveUpdate { server.uid = config.users.users."${cfg.user}".uid; server.gid = config.users.groups."${cfg.group}".gid; } cfg.settings; in { options = { services.webdav-server-rs = { enable = mkEnableOption "WebDAV server"; user = mkOption { type = types.str; default = "webdav"; description = "User to run under when setuid is not enabled."; }; group = mkOption { type = types.str; default = "webdav"; description = "Group to run under when setuid is not enabled."; }; debug = mkOption { type = types.bool; default = false; description = "Enable debug mode."; }; settings = mkOption { type = format.type; default = { }; description = '' Attrset that is converted and passed as config file. Available options can be found at [here](https://github.com/miquels/webdav-server-rs/blob/master/webdav-server.toml). ''; example = literalExpression '' { server.listen = [ "0.0.0.0:4918" "[::]:4918" ]; accounts = { auth-type = "htpasswd.default"; acct-type = "unix"; }; htpasswd.default = { htpasswd = "/etc/htpasswd"; }; location = [ { route = [ "/public/*path" ]; directory = "/srv/public"; handler = "filesystem"; methods = [ "webdav-ro" ]; autoindex = true; auth = "false"; } { route = [ "/user/:user/*path" ]; directory = "~"; handler = "filesystem"; methods = [ "webdav-rw" ]; autoindex = true; auth = "true"; setuid = true; } ]; } ''; }; configFile = mkOption { type = types.path; default = format.generate "webdav-server.toml" settings; defaultText = "Config file generated from services.webdav-server-rs.settings"; description = '' Path to config file. If this option is set, it will override any configuration done in services.webdav-server-rs.settings. ''; example = "/etc/webdav-server.toml"; }; }; }; config = mkIf cfg.enable { assertions = [ { assertion = hasAttr cfg.user config.users.users && config.users.users."${cfg.user}".uid != null; message = "users.users.${cfg.user} and users.users.${cfg.user}.uid must be defined."; } { assertion = hasAttr cfg.group config.users.groups && config.users.groups."${cfg.group}".gid != null; message = "users.groups.${cfg.group} and users.groups.${cfg.group}.gid must be defined."; } ]; users.users = optionalAttrs (cfg.user == "webdav") { webdav = { description = "WebDAV user"; group = cfg.group; uid = config.ids.uids.webdav; }; }; users.groups = optionalAttrs (cfg.group == "webdav") { webdav.gid = config.ids.gids.webdav; }; systemd.services.webdav-server-rs = { description = "WebDAV server"; after = [ "network.target" ]; wantedBy = [ "multi-user.target" ]; serviceConfig = { ExecStart = "${pkgs.webdav-server-rs}/bin/webdav-server ${lib.optionalString cfg.debug "--debug"} -c ${cfg.configFile}"; CapabilityBoundingSet = [ "CAP_SETUID" "CAP_SETGID" ]; NoExecPaths = [ "/" ]; ExecPaths = [ "/nix/store" ]; # This program actively detects if it is running in root user account # when it starts and uses root privilege to switch process uid to # respective unix user when a user logs in. Maybe we can enable # DynamicUser in the future when it's able to detect CAP_SETUID and # CAP_SETGID capabilities. NoNewPrivileges = true; PrivateDevices = true; PrivateTmp = true; ProtectClock = true; ProtectControlGroups = true; ProtectKernelLogs = true; ProtectKernelModules = true; ProtectKernelTunables = true; ProtectSystem = true; }; }; }; meta.maintainers = with maintainers; [ pmy ]; }