FrontendStatic: Add plug to serve frontends based on configuration.

This commit is contained in:
lain 2020-07-28 17:35:16 +02:00
parent 14c28dcbd1
commit ad5c42628a
5 changed files with 122 additions and 5 deletions

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@ -0,0 +1,54 @@
# 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()
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

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@ -16,11 +16,11 @@ 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
frontend_path = Pleroma.Plugs.FrontendStatic.file_path(path, :primary)
(File.exists?(instance_path) && instance_path) ||
(frontend_path && File.exists?(frontend_path) && frontend_path) ||
Path.join(Application.app_dir(:pleroma, "priv/static/"), path)
end
end
def init(opts) do

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@ -28,6 +28,17 @@ defmodule Pleroma.Web.Endpoint do
}
)
# Careful! No `only` restriction here, as we don't know what frontends contain.
plug(Pleroma.Plugs.FrontendStatic,
at: "/",
frontend_type: :primary,
gzip: true,
cache_control_for_etags: @static_cache_control,
headers: %{
"cache-control" => @static_cache_control
}
)
# Serve at "/" the static files from "priv/static" directory.
#
# You should set gzip to true if you are running phoenix.digest

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@ -0,0 +1,30 @@
# Pleroma: A lightweight social networking server
# Copyright © 2017-2020 Pleroma Authors <https://pleroma.social/>
# SPDX-License-Identifier: AGPL-3.0-only
defmodule Pleroma.Web.FrontendStaticPlugTest do
use Pleroma.Web.ConnCase
@dir "test/tmp/instance_static"
setup do
File.mkdir_p!(@dir)
on_exit(fn -> File.rm_rf(@dir) end)
end
setup do: clear_config([:instance, :static_dir], @dir)
test "overrides existing static files", %{conn: conn} do
name = "pelmora"
ref = "uguu"
clear_config([:frontends, :primary], %{"name" => name, "ref" => ref})
path = "#{@dir}/frontends/#{name}/#{ref}"
File.mkdir_p!(path)
File.write!("#{path}/index.html", "from frontend plug")
index = get(conn, "/")
assert html_response(index, 200) == "from frontend plug"
end
end

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@ -2,7 +2,7 @@
# Copyright © 2017-2020 Pleroma Authors <https://pleroma.social/>
# SPDX-License-Identifier: AGPL-3.0-only
defmodule Pleroma.Web.RuntimeStaticPlugTest do
defmodule Pleroma.Web.InstanceStaticPlugTest do
use Pleroma.Web.ConnCase
@dir "test/tmp/instance_static"
@ -24,6 +24,28 @@ test "overrides index" do
assert html_response(index, 200) == "hello world"
end
test "also overrides frontend files", %{conn: conn} do
name = "pelmora"
ref = "uguu"
clear_config([:frontends, :primary], %{"name" => name, "ref" => ref})
bundled_index = get(conn, "/")
refute html_response(bundled_index, 200) == "from frontend plug"
path = "#{@dir}/frontends/#{name}/#{ref}"
File.mkdir_p!(path)
File.write!("#{path}/index.html", "from frontend plug")
index = get(conn, "/")
assert html_response(index, 200) == "from frontend plug"
File.write!(@dir <> "/index.html", "from instance static")
index = get(conn, "/")
assert html_response(index, 200) == "from instance static"
end
test "overrides any file in static/static" do
bundled_index = get(build_conn(), "/static/terms-of-service.html")