# Pleroma: A lightweight social networking server # Copyright © 2017-2019 Pleroma Authors <https://pleroma.social/> # SPDX-License-Identifier: AGPL-3.0-only defmodule Pleroma.Plugs.InstanceStatic do @moduledoc """ This is a shim to call `Plug.Static` but with runtime `from` configuration. Mountpoints are defined directly in the module to avoid calling the configuration for every request including non-static ones. """ @behaviour Plug def file_path(path) do instance_path = Path.join(Pleroma.Config.get([:instance, :static_dir], "instance/static/"), path) if File.exists?(instance_path) do instance_path else Path.join(Application.app_dir(:pleroma, "priv/static/"), path) end end @only ~w(index.html robots.txt static emoji packs sounds images instance favicon.png sw.js sw-pleroma.js) def init(opts) do opts |> Keyword.put(:from, "__unconfigured_instance_static_plug") |> Keyword.put(:at, "/__unconfigured_instance_static_plug") |> Plug.Static.init() end for only <- @only do at = Plug.Router.Utils.split("/") def call(%{request_path: "/" <> unquote(only) <> _} = conn, opts) do call_static( conn, opts, unquote(at), Pleroma.Config.get([:instance, :static_dir], "instance/static") ) end end def call(conn, _) do conn end defp call_static(conn, opts, at, from) do opts = opts |> Map.put(:from, from) |> Map.put(:at, at) Plug.Static.call(conn, opts) end end