@@ -0,0 +1,63 @@ | |||
# Pleroma: A lightweight social networking server | |||
# Copyright © 2017-2019 Pleroma Authors <https://pleroma.social/> | |||
# SPDX-License-Identifier: AGPL-3.0-only | |||
# NOTE: this module is based on https://github.com/smeevil/set_locale | |||
defmodule Pleroma.Plugs.SetLocalePlug do | |||
import Plug.Conn, only: [get_req_header: 2, assign: 3] | |||
def init(_), do: nil | |||
def call(conn, _) do | |||
locale = get_locale_from_header(conn) || Gettext.get_locale() | |||
Gettext.put_locale(locale) | |||
assign(conn, :locale, locale) | |||
end | |||
defp get_locale_from_header(conn) do | |||
conn | |||
|> extract_accept_language() | |||
|> Enum.find(&supported_locale?/1) | |||
end | |||
defp extract_accept_language(conn) do | |||
case get_req_header(conn, "accept-language") do | |||
[value | _] -> | |||
value | |||
|> String.split(",") | |||
|> Enum.map(&parse_language_option/1) | |||
|> Enum.sort(&(&1.quality > &2.quality)) | |||
|> Enum.map(& &1.tag) | |||
|> Enum.reject(&is_nil/1) | |||
|> ensure_language_fallbacks() | |||
_ -> | |||
[] | |||
end | |||
end | |||
defp supported_locale?(locale) do | |||
Pleroma.Web.Gettext | |||
|> Gettext.known_locales() | |||
|> Enum.member?(locale) | |||
end | |||
defp parse_language_option(string) do | |||
captures = Regex.named_captures(~r/^\s?(?<tag>[\w\-]+)(?:;q=(?<quality>[\d\.]+))?$/i, string) | |||
quality = | |||
case Float.parse(captures["quality"] || "1.0") do | |||
{val, _} -> val | |||
:error -> 1.0 | |||
end | |||
%{tag: captures["tag"], quality: quality} | |||
end | |||
defp ensure_language_fallbacks(tags) do | |||
Enum.flat_map(tags, fn tag -> | |||
[language | _] = String.split(tag, "-") | |||
if Enum.member?(tags, language), do: [tag], else: [tag, language] | |||
end) | |||
end | |||
end |
@@ -7,13 +7,9 @@ defmodule Pleroma.Web.Endpoint do | |||
socket("/socket", Pleroma.Web.UserSocket) | |||
# Serve at "/" the static files from "priv/static" directory. | |||
# | |||
# You should set gzip to true if you are running phoenix.digest | |||
# when deploying your static files in production. | |||
plug(Pleroma.Plugs.SetLocalePlug) | |||
plug(CORSPlug) | |||
plug(Pleroma.Plugs.HTTPSecurityPlug) | |||
plug(Pleroma.Plugs.UploadedMedia) | |||
@static_cache_control "public, no-cache" | |||
@@ -30,6 +26,10 @@ defmodule Pleroma.Web.Endpoint do | |||
} | |||
) | |||
# Serve at "/" the static files from "priv/static" directory. | |||
# | |||
# You should set gzip to true if you are running phoenix.digest | |||
# when deploying your static files in production. | |||
plug( | |||
Plug.Static, | |||
at: "/", | |||
@@ -0,0 +1,46 @@ | |||
# Pleroma: A lightweight social networking server | |||
# Copyright © 2017-2018 Pleroma Authors <https://pleroma.social/> | |||
# SPDX-License-Identifier: AGPL-3.0-only | |||
defmodule Pleroma.Plugs.SetLocalePlugTest do | |||
use ExUnit.Case, async: true | |||
use Plug.Test | |||
alias Plug.Conn | |||
alias Pleroma.Plugs.SetLocalePlug | |||
test "default locale is `en`" do | |||
conn = | |||
:get | |||
|> conn("/cofe") | |||
|> SetLocalePlug.call([]) | |||
assert "en" == Gettext.get_locale() | |||
assert %{locale: "en"} == conn.assigns | |||
end | |||
test "use supported locale from `accept-language`" do | |||
conn = | |||
:get | |||
|> conn("/cofe") | |||
|> Conn.put_req_header( | |||
"accept-language", | |||
"ru, fr-CH, fr;q=0.9, en;q=0.8, *;q=0.5" | |||
) | |||
|> SetLocalePlug.call([]) | |||
assert "ru" == Gettext.get_locale() | |||
assert %{locale: "ru"} == conn.assigns | |||
end | |||
test "use default locale if locale from `accept-language` is not supported" do | |||
conn = | |||
:get | |||
|> conn("/cofe") | |||
|> Conn.put_req_header("accept-language", "tlh") | |||
|> SetLocalePlug.call([]) | |||
assert "en" == Gettext.get_locale() | |||
assert %{locale: "en"} == conn.assigns | |||
end | |||
end |