# Pleroma: A lightweight social networking server # Copyright © 2017-2019 Pleroma Authors <https://pleroma.social/> # SPDX-License-Identifier: AGPL-3.0-only defmodule Pleroma.Emoji do @moduledoc """ The emojis are loaded from: * the built-in Finmojis (if enabled in configuration), * the files: `config/emoji.txt` and `config/custom_emoji.txt` * glob paths This GenServer stores in an ETS table the list of the loaded emojis, and also allows to reload the list at runtime. """ use GenServer @ets __MODULE__.Ets @ets_options [:ordered_set, :protected, :named_table, {:read_concurrency, true}] @doc false def start_link() do GenServer.start_link(__MODULE__, [], name: __MODULE__) end @doc "Reloads the emojis from disk." @spec reload() :: :ok def reload() do GenServer.call(__MODULE__, :reload) end @doc "Returns the path of the emoji `name`." @spec get(String.t()) :: String.t() | nil def get(name) do case :ets.lookup(@ets, name) do [{_, path}] -> path _ -> nil end end @doc "Returns all the emojos!!" @spec get_all() :: [{String.t(), String.t()}, ...] def get_all() do :ets.tab2list(@ets) end @doc false def init(_) do @ets = :ets.new(@ets, @ets_options) GenServer.cast(self(), :reload) {:ok, nil} end @doc false def handle_cast(:reload, state) do load() {:noreply, state} end @doc false def handle_call(:reload, _from, state) do load() {:reply, :ok, state} end @doc false def terminate(_, _) do :ok end @doc false def code_change(_old_vsn, state, _extra) do load() {:ok, state} end defp load() do emojis = (load_finmoji(Keyword.get(Application.get_env(:pleroma, :instance), :finmoji_enabled)) ++ load_from_file("config/emoji.txt") ++ load_from_file("config/custom_emoji.txt") ++ load_from_globs( Keyword.get(Application.get_env(:pleroma, :emoji, []), :shortcode_globs, []) )) |> Enum.reject(fn value -> value == nil end) true = :ets.insert(@ets, emojis) :ok end @finmoji [ "a_trusted_friend", "alandislands", "association", "auroraborealis", "baby_in_a_box", "bear", "black_gold", "christmasparty", "crosscountryskiing", "cupofcoffee", "education", "fashionista_finns", "finnishlove", "flag", "forest", "four_seasons_of_bbq", "girlpower", "handshake", "happiness", "headbanger", "icebreaker", "iceman", "joulutorttu", "kaamos", "kalsarikannit_f", "kalsarikannit_m", "karjalanpiirakka", "kicksled", "kokko", "lavatanssit", "losthopes_f", "losthopes_m", "mattinykanen", "meanwhileinfinland", "moominmamma", "nordicfamily", "out_of_office", "peacemaker", "perkele", "pesapallo", "polarbear", "pusa_hispida_saimensis", "reindeer", "sami", "sauna_f", "sauna_m", "sauna_whisk", "sisu", "stuck", "suomimainittu", "superfood", "swan", "the_cap", "the_conductor", "the_king", "the_voice", "theoriginalsanta", "tomoffinland", "torillatavataan", "unbreakable", "waiting", "white_nights", "woollysocks" ] defp load_finmoji(true) do Enum.map(@finmoji, fn finmoji -> {finmoji, "/finmoji/128px/#{finmoji}-128.png"} end) end defp load_finmoji(_), do: [] defp load_from_file(file) do if File.exists?(file) do load_from_file_stream(File.stream!(file)) else [] end end defp load_from_file_stream(stream) do stream |> Stream.map(&String.trim/1) |> Stream.map(fn line -> case String.split(line, ~r/,\s*/) do [name, file] -> {name, file} _ -> nil end end) |> Enum.to_list() end defp load_from_globs(globs) do static_path = Path.join(:code.priv_dir(:pleroma), "static") paths = Enum.map(globs, fn glob -> Path.join(static_path, glob) |> Path.wildcard() end) |> Enum.concat() Enum.map(paths, fn path -> shortcode = Path.basename(path, Path.extname(path)) external_path = Path.join("/", Path.relative_to(path, static_path)) {shortcode, external_path} end) end end