ActivityPub: Add undo for emoji reactions.

This commit is contained in:
lain 2019-10-02 15:08:20 +02:00
parent 557223b2b5
commit dfe5c958eb
4 changed files with 75 additions and 9 deletions

View file

@ -319,11 +319,18 @@ defmodule Pleroma.Web.ActivityPub.ActivityPub do
end
end
def unreact_with_emoji(user, reaction_id, option \\ []) do
def unreact_with_emoji(user, reaction_id, options \\ []) do
with local <- Keyword.get(options, :local, true),
activity_id <- Keyword.get(options, :activity_id, nil),
%Activity{actor: ^user.ap_id} = reaction_activity <- Activity.get_by_ap_id(reaction_id),
unreact_data
user_ap_id <- user.ap_id,
%Activity{actor: ^user_ap_id} = reaction_activity <- Activity.get_by_ap_id(reaction_id),
object <- Object.normalize(reaction_activity),
unreact_data <- make_undo_data(user, reaction_activity, activity_id),
{:ok, activity} <- insert(unreact_data, local),
{:ok, object} <- remove_emoji_reaction_from_object(reaction_activity, object),
:ok <- maybe_federate(activity) do
{:ok, activity, object}
end
end
# TODO: This is weird, maybe we shouldn't check here if we can make the activity.

View file

@ -337,6 +337,24 @@ defmodule Pleroma.Web.ActivityPub.Utils do
update_element_in_object("reaction", new_reactions, object)
end
def remove_emoji_reaction_from_object(
%Activity{data: %{"content" => emoji, "actor" => actor}},
object
) do
reactions = object.data["reactions"] || %{}
emoji_actors = reactions[emoji] || []
new_emoji_actors = List.delete(emoji_actors, actor)
new_reactions =
if new_emoji_actors == [] do
Map.delete(reactions, emoji)
else
Map.put(reactions, emoji, new_emoji_actors)
end
update_element_in_object("reaction", new_reactions, object)
end
@spec add_like_to_object(Activity.t(), Object.t()) ::
{:ok, Object.t()} | {:error, Ecto.Changeset.t()}
def add_like_to_object(%Activity{data: %{"actor" => actor}}, object) do
@ -522,6 +540,25 @@ defmodule Pleroma.Web.ActivityPub.Utils do
|> maybe_put("id", activity_id)
end
def make_undo_data(
%User{ap_id: actor, follower_address: follower_address},
%Activity{
data: %{"id" => undone_activity_id, "context" => context},
actor: undone_activity_actor
},
activity_id \\ nil
) do
%{
"type" => "Undo",
"actor" => actor,
"object" => undone_activity_id,
"to" => [follower_address, undone_activity_actor],
"cc" => [Pleroma.Constants.as_public()],
"context" => context
}
|> maybe_put("id", activity_id)
end
@spec add_announce_to_object(Activity.t(), Object.t()) ::
{:ok, Object.t()} | {:error, Ecto.Changeset.t()}
def add_announce_to_object(

View file

@ -293,8 +293,6 @@ defmodule Pleroma.Web.Router do
end
scope "/api/v1/pleroma", Pleroma.Web.PleromaAPI do
pipe_through(:authenticated_api)
scope [] do
pipe_through(:authenticated_api)
pipe_through(:oauth_read)

View file

@ -761,16 +761,40 @@ defmodule Pleroma.Web.ActivityPub.ActivityPubTest do
end
describe "unreacting to an object" do
test "adds an emoji reaction activity to the db" do
test_with_mock "sends an activity to federation", Pleroma.Web.Federator, [:passthrough], [] do
Pleroma.Config.put([:instance, :federating], true)
user = insert(:user)
reactor = insert(:user)
{:ok, activity} = CommonAPI.post(user, %{"status" => "YASSSS queen slay"})
assert object = Object.normalize(activity)
{:ok, reaction_activity, object} = ActivityPub.react_with_emoji(reactor, object, "🔥")
{:ok, unreaction_activity} = ActivityPub.unreact_with_emoji(reactor, reaction_activity.id)
{:ok, reaction_activity, _object} = ActivityPub.react_with_emoji(reactor, object, "🔥")
IO.inspect(object)
assert called(Pleroma.Web.Federator.publish(reaction_activity))
{:ok, unreaction_activity, _object} =
ActivityPub.unreact_with_emoji(reactor, reaction_activity.data["id"])
assert called(Pleroma.Web.Federator.publish(unreaction_activity))
end
test "adds an undo activity to the db" do
user = insert(:user)
reactor = insert(:user)
{:ok, activity} = CommonAPI.post(user, %{"status" => "YASSSS queen slay"})
assert object = Object.normalize(activity)
{:ok, reaction_activity, _object} = ActivityPub.react_with_emoji(reactor, object, "🔥")
{:ok, unreaction_activity, _object} =
ActivityPub.unreact_with_emoji(reactor, reaction_activity.data["id"])
assert unreaction_activity.actor == reactor.ap_id
assert unreaction_activity.data["object"] == reaction_activity.data["id"]
object = Object.get_by_ap_id(object.data["id"])
assert object.data["reaction_count"] == 0
assert object.data["reactions"] == %{}
end
end