1 files changed, 70 insertions, 0 deletions
diff --git a/nixos/modules/services/matrix/pantalaimon.nix b/nixos/modules/services/matrix/pantalaimon.nix
new file mode 100644
index 00000000000..63b40099ca5
--- /dev/null
+++ b/nixos/modules/services/matrix/pantalaimon.nix
@@ -0,0 +1,70 @@
+{ config, lib, pkgs, ... }:
+
+with lib;
+let
+  cfg = config.services.pantalaimon-headless;
+
+  iniFmt = pkgs.formats.ini { };
+
+  mkConfigFile = name: instanceConfig: iniFmt.generate "pantalaimon.conf" {
+    Default = {
+      LogLevel = instanceConfig.logLevel;
+      Notifications = false;
+    };
+
+    ${name} = (recursiveUpdate
+      {
+        Homeserver = instanceConfig.homeserver;
+        ListenAddress = instanceConfig.listenAddress;
+        ListenPort = instanceConfig.listenPort;
+        SSL = instanceConfig.ssl;
+
+        # Set some settings to prevent user interaction for headless operation
+        IgnoreVerification = true;
+        UseKeyring = false;
+      }
+      instanceConfig.extraSettings
+    );
+  };
+
+  mkPantalaimonService = name: instanceConfig:
+    nameValuePair "pantalaimon-${name}" {
+      description = "pantalaimon instance ${name} - E2EE aware proxy daemon for matrix clients";
+      wants = [ "network-online.target" ];
+      after = [ "network-online.target" ];
+      wantedBy = [ "multi-user.target" ];
+
+      serviceConfig = {
+        ExecStart = ''${pkgs.pantalaimon-headless}/bin/pantalaimon --config ${mkConfigFile name instanceConfig} --data-path ${instanceConfig.dataPath}'';
+        Restart = "on-failure";
+        DynamicUser = true;
+        NoNewPrivileges = true;
+        PrivateDevices = true;
+        PrivateTmp = true;
+        ProtectHome = true;
+        ProtectSystem = "strict";
+        StateDirectory = "pantalaimon-${name}";
+      };
+    };
+in
+{
+  options.services.pantalaimon-headless.instances = mkOption {
+    default = { };
+    type = types.attrsOf (types.submodule (import ./pantalaimon-options.nix));
+    description = ''
+      Declarative instance config.
+
+      Note: to use pantalaimon interactively, e.g. for a Matrix client which does not
+      support End-to-end encryption (like <literal>fractal</literal>), refer to the home-manager module.
+    '';
+  };
+
+  config = mkIf (config.services.pantalaimon-headless.instances != { })
+    {
+      systemd.services = mapAttrs' mkPantalaimonService config.services.pantalaimon-headless.instances;
+    };
+
+  meta = {
+    maintainers = with maintainers; [ jojosch ];
+  };
+}