Light of day

2026-06-21 17:41:56 +00:00
commit d61e88fa29
13 changed files with 2556 additions and 0 deletions
@@ -0,0 +1,87 @@
+self: { config, lib, pkgs, ... }:
+
+let
+  cfg = config.services.puppy-tracker;
+  staticPkg = self.packages.${pkgs.system}.static;
+  serverPkg = self.packages.${pkgs.system}.server;
+in
+{
+  options.services.puppy-tracker = {
+    enable = lib.mkEnableOption "Puppy Tracker (offline-first puppy tracking app with sync server)";
+
+    address = lib.mkOption {
+      type = lib.types.str;
+      default = "0.0.0.0";
+      description = "Address the server listens on.";
+    };
+
+    port = lib.mkOption {
+      type = lib.types.port;
+      default = 8080;
+      description = "TCP port the server listens on.";
+    };
+
+    openFirewall = lib.mkOption {
+      type = lib.types.bool;
+      default = false;
+      description = "Whether to open the configured port in the firewall.";
+    };
+
+    package = lib.mkOption {
+      type = lib.types.package;
+      default = serverPkg;
+      defaultText = lib.literalExpression "puppy-tracker.packages.\${system}.server";
+      description = "The puppy-tracker server package.";
+    };
+
+    staticPackage = lib.mkOption {
+      type = lib.types.package;
+      default = staticPkg;
+      defaultText = lib.literalExpression "puppy-tracker.packages.\${system}.static";
+      description = "The puppy-tracker static-site package (HTML/CSS/JS).";
+    };
+  };
+
+  config = lib.mkIf cfg.enable {
+    systemd.services.puppy-tracker = {
+      description = "Puppy Tracker server";
+      wantedBy = [ "multi-user.target" ];
+      after = [ "network.target" ];
+
+      serviceConfig = {
+        ExecStart = lib.concatStringsSep " " [
+          "${cfg.package}/bin/puppy-tracker-server"
+          "-addr ${cfg.address}:${toString cfg.port}"
+          "-static ${cfg.staticPackage}/share/puppy-tracker"
+          "-data /var/lib/puppy-tracker/events.json"
+        ];
+
+        DynamicUser = true;
+        StateDirectory = "puppy-tracker";
+        StateDirectoryMode = "0750";
+        Restart = "on-failure";
+        RestartSec = "2s";
+
+        # Hardening
+        ProtectSystem = "strict";
+        ProtectHome = true;
+        PrivateTmp = true;
+        PrivateDevices = true;
+        NoNewPrivileges = true;
+        ProtectKernelTunables = true;
+        ProtectKernelModules = true;
+        ProtectKernelLogs = true;
+        ProtectControlGroups = true;
+        RestrictSUIDSGID = true;
+        RestrictRealtime = true;
+        LockPersonality = true;
+        MemoryDenyWriteExecute = true;
+        SystemCallArchitectures = "native";
+        SystemCallFilter = [ "@system-service" "~@privileged @resources" ];
+        RestrictAddressFamilies = [ "AF_INET" "AF_INET6" "AF_UNIX" ];
+      };
+    };
+
+    networking.firewall.allowedTCPPorts = lib.mkIf cfg.openFirewall [ cfg.port ];
+  };
+}