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Allow reacting with remote emoji when they exist on the post (#200)

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Co-authored-by: FloatingGhost <hannah@coffee-and-dreams.uk>
Reviewed-on: AkkomaGang/akkoma#200
This commit is contained in:
floatingghost 2022-09-04 23:31:41 +00:00
parent 7a90d71e8d
commit 1b826eea54
8 changed files with 211 additions and 47 deletions
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97
lib/pleroma/web/activity_pub/builder.ex
View file

@ -55,37 +55,84 @@ def follow(follower, followed) do
{:ok, data, []}
end
defp unicode_emoji_react(_object, data, emoji) do
data
|> Map.put("content", emoji)
|> Map.put("type", "EmojiReact")
end
defp add_emoji_content(data, emoji, url) do
data
|> Map.put("content", Emoji.maybe_quote(emoji))
|> Map.put("type", "EmojiReact")
|> Map.put("tag", [
%{}
|> Map.put("id", url)
|> Map.put("type", "Emoji")
|> Map.put("name", Emoji.maybe_quote(emoji))
|> Map.put(
"icon",
%{}
|> Map.put("type", "Image")
|> Map.put("url", url)
)
])
end
defp remote_custom_emoji_react(
%{data: %{"reactions" => existing_reactions}} = object,
data,
emoji
) do
[emoji_code, instance] = String.split(Emoji.stripped_name(emoji), "@")
matching_reaction =
Enum.find(
existing_reactions,
fn [name, _, url] ->
url = URI.parse(url)
url.host == instance && name == emoji_code
end
)
if matching_reaction do
[name, _, url] = matching_reaction
add_emoji_content(data, name, url)
else
{:error, "Could not react"}
end
end
defp remote_custom_emoji_react(_object, data, emoji) do
{:error, "Could not react"}
end
defp local_custom_emoji_react(data, emoji) do
with %{} = emojo <- Emoji.get(emoji) do
path = emojo |> Map.get(:file)
url = "#{Endpoint.url()}#{path}"
add_emoji_content(data, emojo.code, url)
else
_ -> {:error, "Emoji does not exist"}
end
end
defp custom_emoji_react(object, data, emoji) do
if String.contains?(emoji, "@") do
remote_custom_emoji_react(object, data, emoji)
else
local_custom_emoji_react(data, emoji)
end
end
@spec emoji_react(User.t(), Object.t(), String.t()) :: {:ok, map(), keyword()}
def emoji_react(actor, object, emoji) do
with {:ok, data, meta} <- object_action(actor, object) do
data =
if Emoji.is_unicode_emoji?(emoji) do
data
|> Map.put("content", emoji)
|> Map.put("type", "EmojiReact")
unicode_emoji_react(object, data, emoji)
else
with %{} = emojo <- Emoji.get(emoji) do
path = emojo |> Map.get(:file)
url = "#{Endpoint.url()}#{path}"
data
|> Map.put("content", emoji)
|> Map.put("type", "EmojiReact")
|> Map.put("tag", [
%{}
|> Map.put("id", url)
|> Map.put("type", "Emoji")
|> Map.put("name", emojo.code)
|> Map.put(
"icon",
%{}
|> Map.put("type", "Image")
|> Map.put("url", url)
)
])
else
_ -> {:error, "Emoji does not exist"}
end
custom_emoji_react(object, data, emoji)
end
{:ok, data, meta}

2
lib/pleroma/web/activity_pub/object_validators/emoji_react_validator.ex
View file

@ -13,7 +13,7 @@ defmodule Pleroma.Web.ActivityPub.ObjectValidators.EmojiReactValidator do
import Pleroma.Web.ActivityPub.ObjectValidators.CommonValidations
@primary_key false
@emoji_regex ~r/:[A-Za-z0-9_-]+:/
@emoji_regex ~r/:[A-Za-z0-9_-]+(@.+)?:/
embedded_schema do
quote do

32
lib/pleroma/web/activity_pub/utils.ex
View file

@ -329,7 +329,7 @@ def add_emoji_reaction_to_object(
object
) do
reactions = get_cached_emoji_reactions(object)
emoji = stripped_emoji_name(emoji)
emoji = Pleroma.Emoji.stripped_name(emoji)
url = emoji_url(emoji, activity)
new_reactions =
@ -356,12 +356,6 @@ def add_emoji_reaction_to_object(
update_element_in_object("reaction", new_reactions, object, count)
end
defp stripped_emoji_name(name) do
name
|> String.replace_leading(":", "")
|> String.replace_trailing(":", "")
end
defp emoji_url(
name,
%Activity{
@ -384,7 +378,7 @@ def remove_emoji_reaction_from_object(
%Activity{data: %{"content" => emoji, "actor" => actor}} = activity,
object
) do
emoji = stripped_emoji_name(emoji)
emoji = Pleroma.Emoji.stripped_name(emoji)
reactions = get_cached_emoji_reactions(object)
url = emoji_url(emoji, activity)
@ -513,19 +507,37 @@ def fetch_latest_undo(%User{ap_id: ap_id}) do
def get_latest_reaction(internal_activity_id, %{ap_id: ap_id}, emoji) do
%{data: %{"object" => object_ap_id}} = Activity.get_by_id(internal_activity_id)
emoji = Pleroma.Emoji.maybe_quote(emoji)
"EmojiReact"
|> Activity.Queries.by_type()
|> where(actor: ^ap_id)
|> where([activity], fragment("?->>'content' = ?", activity.data, ^emoji))
|> custom_emoji_discriminator(emoji)
|> Activity.Queries.by_object_id(object_ap_id)
|> order_by([activity], fragment("? desc nulls last", activity.id))
|> limit(1)
|> Repo.one()
end
defp custom_emoji_discriminator(query, emoji) do
if String.contains?(emoji, "@") do
stripped = Pleroma.Emoji.stripped_name(emoji)
[name, domain] = String.split(stripped, "@")
domain_pattern = "%" <> domain <> "%"
emoji_pattern = Pleroma.Emoji.maybe_quote(name)
query
|> where([activity], fragment("?->>'content' = ?
AND EXISTS (
SELECT FROM jsonb_array_elements(?->'tag') elem
WHERE elem->>'id' ILIKE ?
)", activity.data, ^emoji_pattern, activity.data, ^domain_pattern))
else
query
|> where([activity], fragment("?->>'content' = ?", activity.data, ^emoji))
end
end
#### Announce-related helpers
@doc """

3
lib/pleroma/web/common_api.ex
View file

@ -209,7 +209,8 @@ def react_with_emoji(id, user, emoji) do
{:ok, activity, _} <- Pipeline.common_pipeline(emoji_react, local: true) do
{:ok, activity}
else
_ -> {:error, dgettext("errors", "Could not add reaction emoji")}
_ ->
{:error, dgettext("errors", "Could not add reaction emoji")}
end
end

2
lib/pleroma/web/mastodon_api/views/status_view.ex
View file

@ -587,7 +587,7 @@ defp pin_data(%Object{data: %{"id" => object_id}}, %User{pinned_objects: pinned_
defp build_emoji_map(emoji, users, url, current_user) do
%{
name: emoji,
name: Pleroma.Web.PleromaAPI.EmojiReactionView.emoji_name(emoji, url),
count: length(users),
url: MediaProxy.url(url),
me: !!(current_user && current_user.ap_id in users),

10
lib/pleroma/web/pleroma_api/controllers/emoji_reaction_controller.ex
View file

@ -74,7 +74,10 @@ defp filter(reactions, %{emoji: emoji}) when is_binary(emoji) do
defp filter(reactions, _), do: reactions
def create(%{assigns: %{user: user}} = conn, %{id: activity_id, emoji: emoji}) do
emoji = Pleroma.Emoji.maybe_quote(emoji)
emoji =
emoji
|> Pleroma.Emoji.fully_qualify_emoji()
|> Pleroma.Emoji.maybe_quote()
with {:ok, _activity} <- CommonAPI.react_with_emoji(activity_id, user, emoji) do
activity = Activity.get_by_id(activity_id)
@ -86,6 +89,11 @@ def create(%{assigns: %{user: user}} = conn, %{id: activity_id, emoji: emoji}) d
end
def delete(%{assigns: %{user: user}} = conn, %{id: activity_id, emoji: emoji}) do
emoji =
emoji
|> Pleroma.Emoji.fully_qualify_emoji()
|> Pleroma.Emoji.maybe_quote()
with {:ok, _activity} <- CommonAPI.unreact_with_emoji(activity_id, user, emoji) do
activity = Activity.get_by_id(activity_id)

14
lib/pleroma/web/pleroma_api/views/emoji_reaction_view.ex
View file

@ -8,6 +8,18 @@ defmodule Pleroma.Web.PleromaAPI.EmojiReactionView do
alias Pleroma.Web.MastodonAPI.AccountView
alias Pleroma.Web.MediaProxy
def emoji_name(emoji, nil), do: emoji
def emoji_name(emoji, url) do
url = URI.parse(url)
if url.host == Pleroma.Web.Endpoint.host() do
emoji
else
"#{emoji}@#{url.host}"
end
end
def render("index.json", %{emoji_reactions: emoji_reactions} = opts) do
render_many(emoji_reactions, __MODULE__, "show.json", opts)
end
@ -16,7 +28,7 @@ def render("show.json", %{emoji_reaction: {emoji, user_ap_ids, url}, user: user}
users = fetch_users(user_ap_ids)
%{
name: emoji,
name: emoji_name(emoji, url),
count: length(users),
accounts: render(AccountView, "index.json", users: users, for: user),
url: MediaProxy.url(url),

98
test/pleroma/web/pleroma_api/controllers/emoji_reaction_controller_test.exs
View file

@ -17,22 +17,29 @@ test "PUT /api/v1/pleroma/statuses/:id/reactions/:emoji", %{conn: conn} do
user = insert(:user)
other_user = insert(:user)
{:ok, activity} = CommonAPI.post(user, %{status: "#cofe"})
note = insert(:note, user: user, data: %{"reactions" => [["👍", [other_user.ap_id], nil]]})
activity = insert(:note_activity, note: note, user: user)
result =
conn
|> assign(:user, other_user)
|> assign(:token, insert(:oauth_token, user: other_user, scopes: ["write:statuses"]))
|> put("/api/v1/pleroma/statuses/#{activity.id}/reactions/☕")
|> put("/api/v1/pleroma/statuses/#{activity.id}/reactions/\u26A0")
|> json_response_and_validate_schema(200)
# We return the status, but this our implementation detail.
assert %{"id" => id} = result
assert to_string(activity.id) == id
assert result["pleroma"]["emoji_reactions"] == [
%{
"name" => "☕",
"name" => "👍",
"count" => 1,
"me" => true,
"url" => nil,
"account_ids" => [other_user.id]
},
%{
"name" => "\u26A0\uFE0F",
"count" => 1,
"me" => true,
"url" => nil,
@ -43,6 +50,7 @@ test "PUT /api/v1/pleroma/statuses/:id/reactions/:emoji", %{conn: conn} do
{:ok, activity} = CommonAPI.post(user, %{status: "#cofe"})
ObanHelpers.perform_all()
# Reacting with a custom emoji
result =
conn
@ -51,7 +59,6 @@ test "PUT /api/v1/pleroma/statuses/:id/reactions/:emoji", %{conn: conn} do
|> put("/api/v1/pleroma/statuses/#{activity.id}/reactions/:dinosaur:")
|> json_response_and_validate_schema(200)
# We return the status, but this our implementation detail.
assert %{"id" => id} = result
assert to_string(activity.id) == id
@ -65,6 +72,46 @@ test "PUT /api/v1/pleroma/statuses/:id/reactions/:emoji", %{conn: conn} do
}
]
# Reacting with a remote emoji
note =
insert(:note,
user: user,
data: %{"reactions" => [["wow", [other_user.ap_id], "https://remote/emoji/wow"]]}
)
activity = insert(:note_activity, note: note, user: user)
result =
conn
|> assign(:user, user)
|> assign(:token, insert(:oauth_token, user: user, scopes: ["write:statuses"]))
|> put("/api/v1/pleroma/statuses/#{activity.id}/reactions/:wow@remote:")
|> json_response(200)
assert result["pleroma"]["emoji_reactions"] == [
%{
"name" => "wow@remote",
"count" => 2,
"me" => true,
"url" => "https://remote/emoji/wow",
"account_ids" => [user.id, other_user.id]
}
]
# Reacting with a remote custom emoji that hasn't been reacted with yet
note =
insert(:note,
user: user
)
activity = insert(:note_activity, note: note, user: user)
assert conn
|> assign(:user, user)
|> assign(:token, insert(:oauth_token, user: user, scopes: ["write:statuses"]))
|> put("/api/v1/pleroma/statuses/#{activity.id}/reactions/:wow@remote:")
|> json_response(400)
# Reacting with a non-emoji
assert conn
|> assign(:user, other_user)
@ -77,10 +124,22 @@ test "DELETE /api/v1/pleroma/statuses/:id/reactions/:emoji", %{conn: conn} do
user = insert(:user)
other_user = insert(:user)
{:ok, activity} = CommonAPI.post(user, %{status: "#cofe"})
note =
insert(:note,
user: user,
data: %{"reactions" => [["wow", [user.ap_id], "https://remote/emoji/wow"]]}
)
activity = insert(:note_activity, note: note, user: user)
ObanHelpers.perform_all()
{:ok, _reaction_activity} = CommonAPI.react_with_emoji(activity.id, other_user, "☕")
{:ok, _reaction_activity} = CommonAPI.react_with_emoji(activity.id, other_user, ":dinosaur:")
{:ok, _reaction_activity} =
CommonAPI.react_with_emoji(activity.id, other_user, ":wow@remote:")
ObanHelpers.perform_all()
result =
@ -107,7 +166,32 @@ test "DELETE /api/v1/pleroma/statuses/:id/reactions/:emoji", %{conn: conn} do
object = Object.get_by_ap_id(activity.data["object"])
assert object.data["reaction_count"] == 0
assert object.data["reaction_count"] == 2
# Remove custom remote emoji
result =
conn
|> assign(:user, other_user)
|> assign(:token, insert(:oauth_token, user: other_user, scopes: ["write:statuses"]))
|> delete("/api/v1/pleroma/statuses/#{activity.id}/reactions/:wow@remote:")
|> json_response(200)
assert result["pleroma"]["emoji_reactions"] == [
%{
"name" => "wow@remote",
"count" => 1,
"me" => false,
"url" => "https://remote/emoji/wow",
"account_ids" => [user.id]
}
]
# Remove custom remote emoji that hasn't been reacted with yet
assert conn
|> assign(:user, other_user)
|> assign(:token, insert(:oauth_token, user: other_user, scopes: ["write:statuses"]))
|> delete("/api/v1/pleroma/statuses/#{activity.id}/reactions/:zoop@remote:")
|> json_response(400)
end
test "GET /api/v1/pleroma/statuses/:id/reactions", %{conn: conn} do