From 7e909dbc21e5d65289b6ff6e920450f35abe5b94 Mon Sep 17 00:00:00 2001
From: Joakim Repomaa <joakim.repomaa@mocoapp.com>
Date: Wed, 7 Jan 2026 13:10:15 +0200
Subject: [PATCH] use rpi imager from unstable

---
 home/common/default.nix          |   2 +-
 modules/services/sillytavern.nix | 189 +++++++++++++++++++++++++++++++
 2 files changed, 190 insertions(+), 1 deletion(-)
 create mode 100644 modules/services/sillytavern.nix

diff --git a/home/common/default.nix b/home/common/default.nix
index a18ee48..f6a4060 100644
--- a/home/common/default.nix
+++ b/home/common/default.nix
@@ -59,7 +59,7 @@
     (writeShellScriptBin "fd" ''
       ${fd}/bin/fd -H "$@"
     '')
-    rpi-imager
+    pkgs-unstable.rpi-imager
     picocom
     imagemagick
     ghostscript
diff --git a/modules/services/sillytavern.nix b/modules/services/sillytavern.nix
new file mode 100644
index 0000000..09b1dfb
--- /dev/null
+++ b/modules/services/sillytavern.nix
@@ -0,0 +1,189 @@
+{
+  config,
+  lib,
+  pkgs-unstable,
+  ...
+}:
+let
+  cfg = config.services.sillytavern;
+  fqdn = "${cfg.subdomain}.${config.networking.domain}";
+  defaultUser = "sillytavern";
+  defaultGroup = "sillytavern";
+in
+{
+  options.services.sillytavern = {
+    enable = lib.mkEnableOption "sillytavern";
+
+    subdomain = lib.mkOption {
+      type = lib.types.str;
+      default = "sillytavern";
+    };
+
+    user = lib.mkOption {
+      type = lib.types.str;
+      default = defaultUser;
+      description = ''
+        User account under which the web-application run.
+      '';
+    };
+
+    group = lib.mkOption {
+      type = lib.types.str;
+      default = defaultGroup;
+      description = ''
+        Group account under which the web-application run.
+      '';
+    };
+
+    package = lib.mkOption {
+      type = lib.types.package;
+      default = pkgs-unstable.sillytavern;
+      description = ''
+        SillyTavern package to use.
+      '';
+    };
+
+    configFile = lib.mkOption {
+      type = lib.types.path;
+      default = "${pkgs-unstable.sillytavern}/lib/node_modules/sillytavern/config.yaml";
+      defaultText = lib.literalExpression "\${pkgs.sillytavern}/lib/node_modules/sillytavern/config.yaml";
+      description = ''
+        Path to the SillyTavern configuration file.
+      '';
+    };
+
+    port = lib.mkOption {
+      type = lib.types.nullOr lib.types.port;
+      default = null;
+      example = 8045;
+      description = ''
+        Port on which SillyTavern will listen.
+      '';
+    };
+
+    listenAddressIPv4 = lib.mkOption {
+      type = lib.types.nullOr lib.types.str;
+      default = null;
+      example = "127.0.0.1";
+      description = ''
+        Specific IPv4 address to listen to.
+      '';
+    };
+
+    listenAddressIPv6 = lib.mkOption {
+      type = lib.types.nullOr lib.types.str;
+      default = null;
+      example = "::1";
+      description = ''
+        Specific IPv6 address to listen to.
+      '';
+    };
+
+    listen = lib.mkOption {
+      type = lib.types.nullOr lib.types.bool;
+      default = null;
+      example = true;
+      description = ''
+        Whether to listen on all network interfaces.
+      '';
+    };
+
+    whitelist = lib.mkOption {
+      type = lib.types.nullOr lib.types.bool;
+      default = null;
+      example = true;
+      description = ''
+        Enables whitelist mode.
+      '';
+    };
+  };
+
+  config = lib.mkIf cfg.enable {
+    systemd.services.sillytavern = {
+      description = "Silly Tavern";
+      after = [ "network.target" ];
+      wantedBy = [ "multi-user.target" ];
+      # required by sillytavern's extension manager
+      path = [ pkgs-unstable.git ];
+      environment.XDG_DATA_HOME = "%S";
+      serviceConfig = {
+        Type = "simple";
+        ExecStart =
+          let
+            f = x: name: lib.optional (x != null) "--${name}=${builtins.toString x}";
+          in
+          lib.concatStringsSep " " (
+            [
+              "${lib.getExe cfg.package}"
+            ]
+            ++ f cfg.port "port"
+            ++ f cfg.listen "listen"
+            ++ f cfg.listenAddressIPv4 "listenAddressIPv4"
+            ++ f cfg.listenAddressIPv6 "listenAddressIPv6"
+            ++ f cfg.whitelist "whitelist"
+          );
+        User = cfg.user;
+        Group = cfg.group;
+        Restart = "always";
+        StateDirectory = "SillyTavern";
+        BindPaths = [
+          "%S/SillyTavern/extensions:${cfg.package}/lib/node_modules/sillytavern/public/scripts/extensions/third-party"
+        ];
+
+        # Security hardening
+        CapabilityBoundingSet = [ "" ];
+        LockPersonality = true;
+        NoNewPrivileges = true;
+        PrivateDevices = true;
+        PrivateTmp = true;
+        ProtectClock = true;
+        ProtectControlGroups = true;
+        ProtectHome = true;
+        ProtectHostname = true;
+        ProtectKernelLogs = true;
+        ProtectKernelModules = true;
+        ProtectKernelTunables = true;
+        ProtectProc = "invisible";
+        ProtectSystem = "strict";
+      };
+    };
+
+    users.users.${cfg.user} = lib.mkIf (cfg.user == defaultUser) {
+      description = "sillytavern service user";
+      isSystemUser = true;
+      inherit (cfg) group;
+    };
+
+    users.groups.${cfg.group} = lib.mkIf (cfg.group == defaultGroup) { };
+
+    systemd.tmpfiles.settings.sillytavern = {
+      "/var/lib/SillyTavern/data".d = {
+        mode = "0700";
+        inherit (cfg) user group;
+      };
+      "/var/lib/SillyTavern/extensions".d = {
+        mode = "0700";
+        inherit (cfg) user group;
+      };
+      "/var/lib/SillyTavern/config.yaml"."L+" = {
+        mode = "0600";
+        argument = cfg.configFile;
+        inherit (cfg) user group;
+      };
+    };
+
+    services.webserver = {
+      enable = lib.mkDefault true;
+      vHosts.${fqdn} = {
+        proxyBuffering = false;
+        locations."/" = {
+          proxyPort = cfg.port;
+          extraConfig = ''
+            proxy_set_header Upgrade $http_upgrade;
+            proxy_set_header Connection "upgrade";
+          '';
+        };
+      };
+    };
+  };
+}