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+# Pleroma: A lightweight social networking server
+# Copyright © 2017-2020 Pleroma Authors <https://pleroma.social/>
+# SPDX-License-Identifier: AGPL-3.0-only
+
+defmodule Pleroma.Plugs.FrontendStatic do
+ require Pleroma.Constants
+
+ @moduledoc """
+ This is a shim to call `Plug.Static` but with runtime `from` configuration`. It dispatches to the different frontends.
+ """
+ @behaviour Plug
+
+ def file_path(path, frontend_type \\ :primary) do
+ if configuration = Pleroma.Config.get([:frontends, frontend_type]) do
+ instance_static_path = Pleroma.Config.get([:instance, :static_dir], "instance/static")
+
+ Path.join([
+ instance_static_path,
+ "frontends",
+ configuration["name"],
+ configuration["ref"],
+ path
+ ])
+ else
+ nil
+ end
+ end
+
+ def init(opts) do
+ opts
+ |> Keyword.put(:from, "__unconfigured_frontend_static_plug")
+ |> Plug.Static.init()
+ |> Map.put(:frontend_type, opts[:frontend_type])
+ end
+
+ def call(conn, opts) do
+ frontend_type = Map.get(opts, :frontend_type, :primary)
+ path = file_path("", frontend_type)
+
+ if path do
+ conn
+ |> call_static(opts, path)
+ else
+ conn
+ end
+ end
+
+ defp call_static(conn, opts, from) do
+ opts =
+ opts
+ |> Map.put(:from, from)
+
+ Plug.Static.call(conn, opts)
+ end
+end