60 lines
1.5 KiB
Elixir
60 lines
1.5 KiB
Elixir
# Pleroma: A lightweight social networking server
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# Copyright © 2017-2020 Pleroma Authors <https://pleroma.social/>
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# SPDX-License-Identifier: AGPL-3.0-only
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defmodule Pleroma.Plugs.InstanceStatic do
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@moduledoc """
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This is a shim to call `Plug.Static` but with runtime `from` configuration.
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Mountpoints are defined directly in the module to avoid calling the configuration for every request including non-static ones.
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"""
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@behaviour Plug
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def file_path(path) do
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instance_path =
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Path.join(Pleroma.Config.get([:instance, :static_dir], "instance/static/"), path)
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if File.exists?(instance_path) do
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instance_path
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else
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Path.join(Application.app_dir(:pleroma, "priv/static/"), path)
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end
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end
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@only ~w(index.html robots.txt static emoji packs sounds images instance favicon.png sw.js
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sw-pleroma.js)
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def init(opts) do
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opts
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|> Keyword.put(:from, "__unconfigured_instance_static_plug")
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|> Keyword.put(:at, "/__unconfigured_instance_static_plug")
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|> Plug.Static.init()
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end
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for only <- @only do
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at = Plug.Router.Utils.split("/")
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def call(%{request_path: "/" <> unquote(only) <> _} = conn, opts) do
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call_static(
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conn,
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opts,
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unquote(at),
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Pleroma.Config.get([:instance, :static_dir], "instance/static")
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)
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end
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end
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def call(conn, _) do
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conn
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end
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defp call_static(conn, opts, at, from) do
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opts =
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opts
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|> Map.put(:from, from)
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|> Map.put(:at, at)
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Plug.Static.call(conn, opts)
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end
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end
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