# Pleroma: A lightweight social networking server
-# Copyright © 2017-2020 Pleroma Authors <https://pleroma.social/>
+# Copyright © 2017-2021 Pleroma Authors <https://pleroma.social/>
# SPDX-License-Identifier: AGPL-3.0-only
defmodule Pleroma.Web.ActivityPub.SideEffects do
require Logger
+ @cachex Pleroma.Config.get([:cachex, :provider], Cachex)
+ @ap_streamer Pleroma.Config.get([:side_effects, :ap_streamer], ActivityPub)
+ @logger Pleroma.Config.get([:side_effects, :logger], Logger)
+
+ @behaviour Pleroma.Web.ActivityPub.SideEffects.Handling
+
+ @impl true
def handle(object, meta \\ [])
# Task this handles
# - Follows
# - Sends a notification
+ @impl true
def handle(
%{
data: %{
# - Rejects all existing follow activities for this person
# - Updates the follow state
# - Dismisses notification
+ @impl true
def handle(
%{
data: %{
# - Follows if possible
# - Sends a notification
# - Generates accept or reject if appropriate
+ @impl true
def handle(
%{
data: %{
# Tasks this handles:
# - Unfollow and block
+ @impl true
def handle(
%{data: %{"type" => "Block", "object" => blocked_user, "actor" => blocking_user}} =
object,
#
# For a local user, we also get a changeset with the full information, so we
# can update non-federating, non-activitypub settings as well.
+ @impl true
def handle(%{data: %{"type" => "Update", "object" => updated_object}} = object, meta) do
if changeset = Keyword.get(meta, :user_update_changeset) do
changeset
# Tasks this handles:
# - Add like to object
# - Set up notification
+ @impl true
def handle(%{data: %{"type" => "Like"}} = object, meta) do
liked_object = Object.get_by_ap_id(object.data["object"])
Utils.add_like_to_object(object, liked_object)
# - Increase replies count
# - Set up ActivityExpiration
# - Set up notifications
+ @impl true
def handle(%{data: %{"type" => "Create"}} = activity, meta) do
with {:ok, object, meta} <- handle_object_creation(meta[:object_data], meta),
%User{} = user <- User.get_cached_by_ap_id(activity.data["actor"]) do
Object.increase_replies_count(in_reply_to)
end
+ reply_depth = (meta[:depth] || 0) + 1
+
+ # FIXME: Force inReplyTo to replies
+ if Pleroma.Web.Federator.allowed_thread_distance?(reply_depth) and
+ object.data["replies"] != nil do
+ for reply_id <- object.data["replies"] do
+ Pleroma.Workers.RemoteFetcherWorker.enqueue("fetch_remote", %{
+ "id" => reply_id,
+ "depth" => reply_depth
+ })
+ end
+ end
+
ConcurrentLimiter.limit(Pleroma.Web.RichMedia.Helpers, fn ->
Task.start(fn -> Pleroma.Web.RichMedia.Helpers.fetch_data_for_activity(activity) end)
end)
# - Add announce to object
# - Set up notification
# - Stream out the announce
+ @impl true
def handle(%{data: %{"type" => "Announce"}} = object, meta) do
announced_object = Object.get_by_ap_id(object.data["object"])
user = User.get_cached_by_ap_id(object.data["actor"])
{:ok, object, meta}
end
+ @impl true
def handle(%{data: %{"type" => "Undo", "object" => undone_object}} = object, meta) do
with undone_object <- Activity.get_by_ap_id(undone_object),
:ok <- handle_undoing(undone_object) do
# Tasks this handles:
# - Add reaction to object
# - Set up notification
+ @impl true
def handle(%{data: %{"type" => "EmojiReact"}} = object, meta) do
reacted_object = Object.get_by_ap_id(object.data["object"])
Utils.add_emoji_reaction_to_object(object, reacted_object)
# - Reduce the user note count
# - Reduce the reply count
# - Stream out the activity
+ @impl true
def handle(%{data: %{"type" => "Delete", "object" => deleted_object}} = object, meta) do
deleted_object =
- Object.normalize(deleted_object, false) ||
+ Object.normalize(deleted_object, fetch: false) ||
User.get_cached_by_ap_id(deleted_object)
result =
case deleted_object do
%Object{} ->
- with {:ok, deleted_object, activity} <- Object.delete(deleted_object),
+ with {:ok, deleted_object, _activity} <- Object.delete(deleted_object),
{_, actor} when is_binary(actor) <- {:actor, deleted_object.data["actor"]},
%User{} = user <- User.get_cached_by_ap_id(actor) do
- User.remove_pinnned_activity(user, activity)
+ User.remove_pinned_object_id(user, deleted_object.data["id"])
{:ok, user} = ActivityPub.decrease_note_count_if_public(user, deleted_object)
MessageReference.delete_for_object(deleted_object)
- ActivityPub.stream_out(object)
- ActivityPub.stream_out_participations(deleted_object, user)
+ @ap_streamer.stream_out(object)
+ @ap_streamer.stream_out_participations(deleted_object, user)
:ok
else
{:actor, _} ->
- Logger.error("The object doesn't have an actor: #{inspect(deleted_object)}")
+ @logger.error("The object doesn't have an actor: #{inspect(deleted_object)}")
:no_object_actor
end
end
end
+ # Tasks this handles:
+ # - adds pin to user
+ # - removes expiration job for pinned activity, if was set for expiration
+ @impl true
+ def handle(%{data: %{"type" => "Add"} = data} = object, meta) do
+ with %User{} = user <- User.get_cached_by_ap_id(data["actor"]),
+ {:ok, _user} <- User.add_pinned_object_id(user, data["object"]) do
+ # if pinned activity was scheduled for deletion, we remove job
+ if expiration = Pleroma.Workers.PurgeExpiredActivity.get_expiration(meta[:activity_id]) do
+ Oban.cancel_job(expiration.id)
+ end
+
+ {:ok, object, meta}
+ else
+ nil ->
+ {:error, :user_not_found}
+
+ {:error, changeset} ->
+ if changeset.errors[:pinned_objects] do
+ {:error, :pinned_statuses_limit_reached}
+ else
+ changeset.errors
+ end
+ end
+ end
+
+ # Tasks this handles:
+ # - removes pin from user
+ # - removes corresponding Add activity
+ # - if activity had expiration, recreates activity expiration job
+ @impl true
+ def handle(%{data: %{"type" => "Remove"} = data} = object, meta) do
+ with %User{} = user <- User.get_cached_by_ap_id(data["actor"]),
+ {:ok, _user} <- User.remove_pinned_object_id(user, data["object"]) do
+ data["object"]
+ |> Activity.add_by_params_query(user.ap_id, user.featured_address)
+ |> Repo.delete_all()
+
+ # if pinned activity was scheduled for deletion, we reschedule it for deletion
+ if meta[:expires_at] do
+ # MRF.ActivityExpirationPolicy used UTC timestamps for expires_at in original implementation
+ {:ok, expires_at} =
+ Pleroma.EctoType.ActivityPub.ObjectValidators.DateTime.cast(meta[:expires_at])
+
+ Pleroma.Workers.PurgeExpiredActivity.enqueue(%{
+ activity_id: meta[:activity_id],
+ expires_at: expires_at
+ })
+ end
+
+ {:ok, object, meta}
+ else
+ nil -> {:error, :user_not_found}
+ error -> error
+ end
+ end
+
# Nothing to do
+ @impl true
def handle(object, meta) do
{:ok, object, meta}
end
{:ok, chat} = Chat.bump_or_create(user.id, other_user.ap_id)
{:ok, cm_ref} = MessageReference.create(chat, object, user.ap_id != actor.ap_id)
- Cachex.put(
+ @cachex.put(
:chat_message_id_idempotency_key_cache,
cm_ref.id,
meta[:idempotency_key]
end
def handle_object_creation(%{"type" => objtype} = object, meta)
- when objtype in ~w[Audio Video Question Event Article] do
+ when objtype in ~w[Audio Video Question Event Article Note Page] do
with {:ok, object, meta} <- Pipeline.common_pipeline(object, meta) do
{:ok, object, meta}
end
|> Keyword.put(:notifications, notifications ++ existing)
end
+ @impl true
def handle_after_transaction(meta) do
meta
|> send_notifications()
projects / akkoma / blobdiff