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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.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
alias Pleroma.Config
def file_path(path) do
instance_path = Path.join(Config.get([:instance, :static_dir], "instance/static/"), path)
frontends_path =
Config.get([:instance, :frontends_dir], "instance/frontends/")
|> Path.join("pleroma-fe")
|> Path.join(path)
cond do
File.exists?(instance_path) -> instance_path
File.exists?(frontends_path) -> frontends_path
true -> 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 fontello)
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)
)
end
end
def call(conn, _) do
conn
end
defp call_static(conn, opts, at) do
static_dir = Config.get([:instance, :static_dir], "instance/static/")
frontend_dir =
Config.get([:instance, :frontends_dir], "instance/frontends/")
|> Path.join("pleroma-fe")
from =
if File.exists?(Path.join(static_dir, conn.request_path)) do
static_dir
else
frontend_dir
end
opts =
opts
|> Map.put(:from, from)
|> Map.put(:at, at)
Plug.Static.call(conn, opts)
end
end
|
