# Pleroma: A lightweight social networking server
-# Copyright © 2017-2018 Pleroma Authors <https://pleroma.social/>
+# Copyright © 2017-2021 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.
+ This GenServer stores in an ETS table the list of the loaded emojis,
+ and also allows to reload the list at runtime.
"""
use GenServer
+
+ alias Pleroma.Emoji.Combinations
+ alias Pleroma.Emoji.Loader
+
+ require Logger
+
@ets __MODULE__.Ets
- @ets_options [:ordered_set, :protected, :named_table, {:read_concurrency, true}]
+ @ets_options [
+ :ordered_set,
+ :protected,
+ :named_table,
+ {:read_concurrency, true}
+ ]
+ @emoji_regex ~r/:[A-Za-z0-9_-]+(@.+)?:/
+
+ defstruct [:code, :file, :tags, :safe_code, :safe_file]
+
+ @doc "Build emoji struct"
+ def build({code, file, tags}) do
+ %__MODULE__{
+ code: code,
+ file: file,
+ tags: tags,
+ safe_code: Pleroma.HTML.strip_tags(code),
+ safe_file: Pleroma.HTML.strip_tags(file)
+ }
+ end
+
+ def build({code, file}), do: build({code, file, []})
@doc false
- def start_link() do
+ def start_link(_) do
GenServer.start_link(__MODULE__, [], name: __MODULE__)
end
@doc "Reloads the emojis from disk."
@spec reload() :: :ok
- def reload() do
+ 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
+ name =
+ if String.starts_with?(name, ":") do
+ name
+ |> String.replace_leading(":", "")
+ |> String.replace_trailing(":", "")
+ else
+ name
+ end
+
case :ets.lookup(@ets, name) do
[{_, path}] -> path
_ -> nil
end
end
+ @spec exist?(String.t()) :: boolean()
+ def exist?(name), do: not is_nil(get(name))
+
@doc "Returns all the emojos!!"
- @spec get_all() :: [{String.t(), String.t()}, ...]
- def get_all() do
+ @spec get_all() :: list({String.t(), String.t(), String.t()})
+ def get_all do
:ets.tab2list(@ets)
end
+ @doc "Clear out old emojis"
+ def clear_all, do: :ets.delete_all_objects(@ets)
+
@doc false
def init(_) do
@ets = :ets.new(@ets, @ets_options)
@doc false
def handle_cast(:reload, state) do
- load()
+ update_emojis(Loader.load())
{:noreply, state}
end
@doc false
def handle_call(:reload, _from, state) do
- load()
+ update_emojis(Loader.load())
{:reply, :ok, state}
end
@doc false
def code_change(_old_vsn, state, _extra) do
- load()
+ update_emojis(Loader.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
+ defp update_emojis(emojis) do
+ :ets.insert(@ets, emojis)
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"}
+ @external_resource "lib/pleroma/emoji-test.txt"
+
+ regional_indicators =
+ Enum.map(127_462..127_487, fn codepoint ->
+ <<codepoint::utf8>>
+ end)
+
+ emojis =
+ @external_resource
+ |> File.read!()
+ |> String.split("\n")
+ |> Enum.filter(fn line ->
+ line != "" and not String.starts_with?(line, "#") and
+ String.contains?(line, "fully-qualified")
+ end)
+ |> Enum.map(fn line ->
+ line
+ |> String.split(";", parts: 2)
+ |> hd()
+ |> String.trim()
+ |> String.split()
+ |> Enum.map(fn codepoint ->
+ <<String.to_integer(codepoint, 16)::utf8>>
+ end)
+ |> Enum.join()
end)
+ |> Enum.uniq()
+
+ emojis = emojis ++ regional_indicators
+
+ for emoji <- emojis do
+ def is_unicode_emoji?(unquote(emoji)), do: true
+ end
+
+ def is_unicode_emoji?(_), do: false
+
+ def stripped_name(name) when is_binary(name) do
+ name
+ |> String.replace_leading(":", "")
+ |> String.replace_trailing(":", "")
end
- defp load_finmoji(_), do: []
+ def stripped_name(name), do: name
- defp load_from_file(file) do
- if File.exists?(file) do
- load_from_file_stream(File.stream!(file))
+ def maybe_quote(name) when is_binary(name) do
+ if is_unicode_emoji?(name) do
+ name
else
- []
+ if String.starts_with?(name, ":") do
+ name
+ else
+ ":#{name}:"
+ end
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()
+ def maybe_quote(name), do: name
+
+ def emoji_url(%{"type" => "EmojiReact", "content" => _, "tag" => []}), do: nil
+
+ def emoji_url(%{"type" => "EmojiReact", "content" => emoji, "tag" => tags}) do
+ tag =
+ tags
+ |> Enum.find(fn tag -> tag["type"] == "Emoji" && tag["name"] == stripped_name(emoji) end)
+
+ if is_nil(tag) do
+ nil
+ else
+ tag
+ |> Map.get("icon")
+ |> Map.get("url")
+ end
end
- defp load_from_globs(globs) do
- static_path = Path.join(:code.priv_dir(:pleroma), "static")
+ def emoji_url(_), do: nil
- paths =
- Enum.map(globs, fn glob ->
- Path.join(static_path, glob)
- |> Path.wildcard()
- end)
- |> Enum.concat()
+ def emoji_name_with_instance(name, url) do
+ url = url |> URI.parse() |> Map.get(:host)
+ "#{name}@#{url}"
+ end
- 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)
+ emoji_qualification_map =
+ emojis
+ |> Enum.filter(&String.contains?(&1, "\uFE0F"))
+ |> Combinations.variate_emoji_qualification()
+
+ for {qualified, unqualified_list} <- emoji_qualification_map do
+ for unqualified <- unqualified_list do
+ def fully_qualify_emoji(unquote(unqualified)), do: unquote(qualified)
+ end
end
+
+ def fully_qualify_emoji(emoji), do: emoji
+
+ def matches_shortcode?(nil), do: false
+ def matches_shortcode?(s), do: Regex.match?(@emoji_regex, s)
end
projects / akkoma / blobdiff