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