From c087d476f03b9e94a879ab1fa752ffe90de3e7f9 Mon Sep 17 00:00:00 2001
From: spl3g <spleefer6@yandex.ru>
Date: Fri, 22 Aug 2025 22:24:50 +0500
Subject: feat: add server modules

---
 nixos/serverModules/files.nix | 59 +++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 59 insertions(+)
 create mode 100644 nixos/serverModules/files.nix

(limited to 'nixos/serverModules/files.nix')

diff --git a/nixos/serverModules/files.nix b/nixos/serverModules/files.nix
new file mode 100644
index 0000000..037d149
--- /dev/null
+++ b/nixos/serverModules/files.nix
@@ -0,0 +1,59 @@
+{ config, lib, ... }:
+with lib;
+let
+  cfg = config.filesDir;
+in
+{
+  options = {
+    filesDir = {
+      enable = mkEnableOption "Enable the creation of a main files directory and nfs binds for it.";
+      mainDir = mkOption {
+        type = types.str;
+        default = "/srv/files";
+        description = ''
+          The main file dir.
+        '';
+      };
+      subPaths = mkOption {
+        type = types.listOf (types.submodule {
+          options = {
+            path = mkOption {
+              type = types.str;
+            };
+
+            group = mkOption {
+              type = types.str;
+            };
+          };
+        });
+        default = [];
+        description = ''
+          Subpaths to create under the files dir.
+        '';
+      };
+    };
+  };
+
+  config = mkIf cfg.enable {
+    systemd.tmpfiles.rules = [
+      "d ${cfg.mainDir} 0770 files files"
+    ] ++ (map (dir: "d ${cfg.mainDir}/${dir.path} 0770 files ${dir.group}") cfg.subPaths);
+
+    users =
+      let
+        extraGroups = (map (dir: dir.group) cfg.subPaths);
+      in {
+        groups = {
+          files = {};
+        } // genAttrs extraGroups (group: {});
+
+        users.files = {
+          isNormalUser = true;
+          group = "files";
+          home = cfg.mainDir;
+          homeMode = "770";
+          inherit extraGroups;
+        };
+      };
+  };
+} 
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