"""
use GenServer
+ alias Pleroma.Emoji.Combinations
alias Pleroma.Emoji.Loader
require Logger
|> String.split("\n")
|> Enum.filter(fn line ->
line != "" and not String.starts_with?(line, "#") and
- String.contains?(line, "qualified")
+ String.contains?(line, "fully-qualified")
end)
|> Enum.map(fn line ->
line
end
def emoji_url(_), do: nil
+
+ 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
end
--- /dev/null
+# Pleroma: A lightweight social networking server
+# Copyright © 2017-2022 Pleroma Authors <https://pleroma.social/>
+# SPDX-License-Identifier: AGPL-3.0-only
+
+defmodule Pleroma.Emoji.Combinations do
+ # FE0F is the emoji variation sequence. It is used for fully-qualifying
+ # emoji, and that includes emoji combinations.
+ # This code generates combinations per emoji: for each FE0F, all possible
+ # combinations of the character being removed or staying will be generated.
+ # This is made as an attempt to find all partially-qualified and unqualified
+ # versions of a fully-qualified emoji.
+ # I have found *no cases* for which this would be a problem, after browsing
+ # the entire emoji list in emoji-test.txt. This is safe, and, sadly, most
+ # likely sane too.
+
+ defp qualification_combinations(codepoints) do
+ qualification_combinations([[]], codepoints)
+ end
+
+ defp qualification_combinations(acc, []), do: acc
+
+ defp qualification_combinations(acc, ["\uFE0F" | tail]) do
+ acc
+ |> Enum.flat_map(fn x -> [x, x ++ ["\uFE0F"]] end)
+ |> qualification_combinations(tail)
+ end
+
+ defp qualification_combinations(acc, [codepoint | tail]) do
+ acc
+ |> Enum.map(&Kernel.++(&1, [codepoint]))
+ |> qualification_combinations(tail)
+ end
+
+ def variate_emoji_qualification(emoji) when is_binary(emoji) do
+ emoji
+ |> String.codepoints()
+ |> qualification_combinations()
+ |> Enum.map(&List.to_string/1)
+ end
+
+ def variate_emoji_qualification(emoji) when is_list(emoji) do
+ emoji
+ |> Enum.map(fn emoji -> {emoji, variate_emoji_qualification(emoji)} end)
+ end
+end
else
{:ok, true} ->
conn
+ |> put_private(:proxied_url, url)
|> error_or_redirect(500, "Request failed", opts)
|> halt()
end
def parse(q) do
- Enum.map(q, &to_es/1)
+ [
+ %{
+ exists: %{
+ field: "content"
+ }
+ }
+ ] ++
+ Enum.map(q, &to_es/1)
end
end
defp fix(data) do
data =
data
+ |> fix_emoji_qualification()
|> CommonFixes.fix_actor()
|> CommonFixes.fix_activity_addressing()
defp matches_shortcode?(nil), do: false
defp matches_shortcode?(s), do: Regex.match?(@emoji_regex, s)
+ defp fix_emoji_qualification(%{"content" => emoji} = data) do
+ new_emoji = Pleroma.Emoji.fully_qualify_emoji(emoji)
+
+ cond do
+ Pleroma.Emoji.is_unicode_emoji?(emoji) ->
+ data
+
+ Pleroma.Emoji.is_unicode_emoji?(new_emoji) ->
+ data |> Map.put("content", new_emoji)
+
+ true ->
+ data
+ end
+ end
+
+ defp fix_emoji_qualification(data), do: data
+
defp validate_emoji(cng) do
content = get_field(cng, :content)
# Accept fully-qualified and unqualified emoji
# See http://www.unicode.org/reports/tr51/
- assert Emoji.is_unicode_emoji?("❤")
- assert Emoji.is_unicode_emoji?("☂")
+ refute Emoji.is_unicode_emoji?("❤")
+ refute Emoji.is_unicode_emoji?("☂")
assert Emoji.is_unicode_emoji?("🥺")
assert Emoji.is_unicode_emoji?("🤰")
)
end
+ test "it works for incoming unqualified emoji reactions" do
+ user = insert(:user)
+ other_user = insert(:user, local: false)
+ {:ok, activity} = CommonAPI.post(user, %{status: "hello"})
+
+ # woman detective emoji, unqualified
+ unqualified_emoji = [0x1F575, 0x200D, 0x2640] |> List.to_string()
+
+ data =
+ File.read!("test/fixtures/emoji-reaction.json")
+ |> Jason.decode!()
+ |> Map.put("object", activity.data["object"])
+ |> Map.put("actor", other_user.ap_id)
+ |> Map.put("content", unqualified_emoji)
+
+ {:ok, %Activity{data: data, local: false}} = Transmogrifier.handle_incoming(data)
+
+ assert data["actor"] == other_user.ap_id
+ assert data["type"] == "EmojiReact"
+ assert data["id"] == "http://mastodon.example.org/users/admin#reactions/2"
+ assert data["object"] == activity.data["object"]
+ # woman detective emoji, fully qualified
+ emoji = [0x1F575, 0xFE0F, 0x200D, 0x2640, 0xFE0F] |> List.to_string()
+ assert data["content"] == emoji
+
+ object = Object.get_by_ap_id(data["object"])
+
+ assert object.data["reaction_count"] == 1
+ assert match?([[^emoji, _, _]], object.data["reactions"])
+ end
+
test "it reject invalid emoji reactions" do
user = insert(:user)
other_user = insert(:user, local: false)