nix: added module & package for tinyupload

nix/module.nix

@@ -0,0 +1,95 @@
+# Untested, but should be the majority of what is needed.
+self: {
+  lib,
+  config,
+  pkgs,
+  ...
+}: let
+  inherit (lib.options) mkEnableOption mkOption;
+  inherit (lib.types) str path port int;
+  inherit (lib.modules) mkIf;
+
+  cfg = config.services.tinyupload;
+in {
+  options.services.tinyupload = {
+    enable = mkEnableOption "Enable tinyupload.";
+
+    address = mkOption {
+      type = str;
+      default = "127.0.0.1";
+      description = "Address on which tinyupload will listen on";
+    };
+
+    port = mkOption {
+      type = port;
+      default = 8080;
+      description = "Port on which the tinyupload service will listen";
+    };
+
+    uploadLimit = mkOption {
+      type = int;
+      default = 100;
+      description = "Upload limit for tinyupload in MB";
+    };
+
+    title = mkOption {
+      type = str;
+      default = "tinyupload";
+      description = "Title for the frontend of tinyupload";
+    };
+
+    dataDir = mkOption {
+      type = path;
+      default = "/var/lib/tinyupload";
+      description = "Directory to store uploaded files and database";
+    };
+
+    user = mkOption {
+      type = str;
+      default = "tinyupload";
+      description = "User account under which the service will run";
+    };
+
+    group = mkOption {
+      type = str;
+      default = "tinyupload";
+      description = "Group under which the service will run";
+    };
+  };
+
+  config = mkIf cfg.enable {
+    users.users.${cfg.user} = {
+      isSystemUser = true;
+      group = cfg.group;
+      home = cfg.dataDir;
+      createHome = true;
+      description = "tinyupload service user";
+    };
+
+    users.groups.${cfg.group} = {};
+
+    systemd.services.tinyupload = {
+      description = "tinyupload service";
+      wantedBy = ["multi-user.target"];
+      after = ["network.target"];
+
+      serviceConfig = {
+        RestartSec = 5;
+        User = cfg.user;
+        Group = cfg.group;
+        WorkingDirectory = cfg.dataDir;
+        Restart = "on-failure";
+        ExecStart = "${(pkgs.writeShellApplication {
+          name = "start-tinyupload";
+          text = ''
+            ${self.packages.${pkgs.system}.tinyupload}/bin/tinyupload \
+              -u ${toString cfg.uploadLimit} \
+              -a "${cfg.address}:${toString cfg.port}" \
+              -t "${cfg.title}" \
+              serve
+          '';
+        })}/bin/start-tinyupload";
+      };
+    };
+  };
+}