From 8956803ade4f16319f2685ae9e1b7cfed85e9848 Mon Sep 17 00:00:00 2001
From: Nikolay Amiantov <ab@fmap.me>
Date: Sat, 8 Jan 2022 13:36:29 +0300
Subject: prosody-filer service: init

Add user and group, as files stored are persistent and to be accessed by nginx or other web server.
---
 .../from_md/release-notes/rl-2205.section.xml      |  7 ++
 nixos/doc/manual/release-notes/rl-2205.section.md  |  2 +
 nixos/modules/module-list.nix                      |  1 +
 nixos/modules/services/web-apps/prosody-filer.nix  | 88 ++++++++++++++++++++++
 4 files changed, 98 insertions(+)
 create mode 100644 nixos/modules/services/web-apps/prosody-filer.nix

diff --git a/nixos/doc/manual/from_md/release-notes/rl-2205.section.xml b/nixos/doc/manual/from_md/release-notes/rl-2205.section.xml
index 4a6ecac6bd0..845a5f09dae 100644
--- a/nixos/doc/manual/from_md/release-notes/rl-2205.section.xml
+++ b/nixos/doc/manual/from_md/release-notes/rl-2205.section.xml
@@ -135,6 +135,13 @@
           <link linkend="opt-services.baget.enable">services.baget</link>.
         </para>
       </listitem>
+      <listitem>
+        <para>
+          <link xlink:href="https://github.com/ThomasLeister/prosody-filer">prosody-filer</link>,
+          a server for handling XMPP HTTP Upload requests. Available at
+          <link linkend="opt-services.prosody-filer.enable">services.prosody-filer</link>.
+        </para>
+      </listitem>
     </itemizedlist>
   </section>
   <section xml:id="sec-release-22.05-incompatibilities">
diff --git a/nixos/doc/manual/release-notes/rl-2205.section.md b/nixos/doc/manual/release-notes/rl-2205.section.md
index 9540681fa4f..ad4743d7cd9 100644
--- a/nixos/doc/manual/release-notes/rl-2205.section.md
+++ b/nixos/doc/manual/release-notes/rl-2205.section.md
@@ -41,6 +41,8 @@ In addition to numerous new and upgraded packages, this release has the followin
 
 - [BaGet](https://loic-sharma.github.io/BaGet/), a lightweight NuGet and symbol server. Available at [services.baget](#opt-services.baget.enable).
 
+- [prosody-filer](https://github.com/ThomasLeister/prosody-filer), a server for handling XMPP HTTP Upload requests. Available at [services.prosody-filer](#opt-services.prosody-filer.enable).
+
 ## Backward Incompatibilities {#sec-release-22.05-incompatibilities}
 
 - `pkgs.ghc` now refers to `pkgs.targetPackages.haskellPackages.ghc`.
diff --git a/nixos/modules/module-list.nix b/nixos/modules/module-list.nix
index b4a0bcb01dc..a8f1ce83c26 100644
--- a/nixos/modules/module-list.nix
+++ b/nixos/modules/module-list.nix
@@ -1031,6 +1031,7 @@
   ./services/web-apps/plausible.nix
   ./services/web-apps/pgpkeyserver-lite.nix
   ./services/web-apps/powerdns-admin.nix
+  ./services/web-apps/prosody-filer.nix
   ./services/web-apps/matomo.nix
   ./services/web-apps/openwebrx.nix
   ./services/web-apps/restya-board.nix
diff --git a/nixos/modules/services/web-apps/prosody-filer.nix b/nixos/modules/services/web-apps/prosody-filer.nix
new file mode 100644
index 00000000000..6a52c36ab2c
--- /dev/null
+++ b/nixos/modules/services/web-apps/prosody-filer.nix
@@ -0,0 +1,88 @@
+{ config, lib, pkgs, ... }:
+
+with lib;
+let
+
+  cfg = config.services.prosody-filer;
+
+  settingsFormat = pkgs.formats.toml { };
+  configFile = settingsFormat.generate "prosody-filer.toml" cfg.settings;
+in {
+
+  options = {
+    services.prosody-filer = {
+      enable = mkEnableOption "Prosody Filer XMPP upload file server";
+
+      settings = mkOption {
+        description = ''
+          Configuration for Prosody Filer.
+          Refer to <link xlink:href="https://github.com/ThomasLeister/prosody-filer#configure-prosody-filer"/> for details on supported values.
+        '';
+
+        type = settingsFormat.type;
+
+        example = literalExample ''
+          {
+            secret = "mysecret";
+            storeDir = "/srv/http/nginx/prosody-upload";
+          }
+        '';
+
+        defaultText = literalExpression ''
+          {
+            listenport = mkDefault "127.0.0.1:5050";
+            uploadSubDir = mkDefault "upload/";
+          }
+        '';
+      };
+    };
+  };
+
+  config = mkIf cfg.enable {
+    services.prosody-filer.settings = {
+      listenport = mkDefault "127.0.0.1:5050";
+      uploadSubDir = mkDefault "upload/";
+    };
+
+    users.users.prosody-filer = {
+      group = "prosody-filer";
+      isSystemUser = true;
+    };
+
+    users.groups.prosody-filer = { };
+
+    systemd.services.prosody-filer = {
+      description = "Prosody file upload server";
+      wantedBy = [ "multi-user.target" ];
+      after = [ "network.target" ];
+
+      serviceConfig = {
+        User = "prosody-filer";
+        Group = "prosody-filer";
+        ExecStart = "${pkgs.prosody-filer}/bin/prosody-filer -config ${configFile}";
+        Restart = "on-failure";
+        CapabilityBoundingSet = "";
+        NoNewPrivileges = true;
+        PrivateDevices = true;
+        PrivateTmp = true;
+        PrivateMounts = true;
+        ProtectHome = true;
+        ProtectClock = true;
+        ProtectProc = "noaccess";
+        ProcSubset = "pid";
+        ProtectKernelLogs = true;
+        ProtectKernelModules = true;
+        ProtectKernelTunables = true;
+        ProtectControlGroups = true;
+        ProtectHostname = true;
+        RestrictSUIDSGID = true;
+        RestrictRealtime = true;
+        RestrictNamespaces = true;
+        LockPersonality = true;
+        RemoveIPC = true;
+        RestrictAddressFamilies = [ "AF_INET" "AF_INET6" ];
+        SystemCallFilter = [ "@system-service" "~@privileged" "~@resources" ];
+      };
+    };
+  };
+}
-- 
cgit 1.4.1