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