collection, and so on.
"""
alias Pleroma.Activity
+ alias Pleroma.Activity.Ir.Topics
+ alias Pleroma.Chat
+ alias Pleroma.Chat.MessageReference
+ alias Pleroma.FollowingRelationship
alias Pleroma.Notification
alias Pleroma.Object
alias Pleroma.Repo
alias Pleroma.User
alias Pleroma.Web.ActivityPub.ActivityPub
- alias Pleroma.Web.ActivityPub.Visibility
+ alias Pleroma.Web.ActivityPub.Pipeline
alias Pleroma.Web.ActivityPub.Utils
+ alias Pleroma.Web.Push
+ alias Pleroma.Web.Streamer
def handle(object, meta \\ [])
+ # Tasks this handle
+ # - Follows if possible
+ # - Sends a notification
+ # - Generates accept or reject if appropriate
+ def handle(
+ %{
+ data: %{
+ "id" => follow_id,
+ "type" => "Follow",
+ "object" => followed_user,
+ "actor" => following_user
+ }
+ } = object,
+ meta
+ ) do
+ with %User{} = follower <- User.get_cached_by_ap_id(following_user),
+ %User{} = followed <- User.get_cached_by_ap_id(followed_user),
+ {_, {:ok, _}, _, _} <-
+ {:following, User.follow(follower, followed, :follow_pending), follower, followed} do
+ if followed.local && !followed.locked do
+ Utils.update_follow_state_for_all(object, "accept")
+ FollowingRelationship.update(follower, followed, :follow_accept)
+ User.update_follower_count(followed)
+ User.update_following_count(follower)
+
+ %{
+ to: [following_user],
+ actor: followed,
+ object: follow_id,
+ local: true
+ }
+ |> ActivityPub.accept()
+ end
+ else
+ {:following, {:error, _}, follower, followed} ->
+ Utils.update_follow_state_for_all(object, "reject")
+ FollowingRelationship.update(follower, followed, :follow_reject)
+
+ if followed.local do
+ %{
+ to: [follower.ap_id],
+ actor: followed,
+ object: follow_id,
+ local: true
+ }
+ |> ActivityPub.reject()
+ end
+
+ _ ->
+ nil
+ end
+
+ {:ok, notifications} = Notification.create_notifications(object, do_send: false)
+
+ meta =
+ meta
+ |> add_notifications(notifications)
+
+ updated_object = Activity.get_by_ap_id(follow_id)
+
+ {:ok, updated_object, meta}
+ end
+
+ # Tasks this handles:
+ # - Unfollow and block
+ def handle(
+ %{data: %{"type" => "Block", "object" => blocked_user, "actor" => blocking_user}} =
+ object,
+ meta
+ ) do
+ with %User{} = blocker <- User.get_cached_by_ap_id(blocking_user),
+ %User{} = blocked <- User.get_cached_by_ap_id(blocked_user) do
+ User.block(blocker, blocked)
+ end
+
+ {:ok, object, meta}
+ end
+
+ # Tasks this handles:
+ # - Update the user
+ #
+ # For a local user, we also get a changeset with the full information, so we
+ # can update non-federating, non-activitypub settings as well.
+ def handle(%{data: %{"type" => "Update", "object" => updated_object}} = object, meta) do
+ if changeset = Keyword.get(meta, :user_update_changeset) do
+ changeset
+ |> User.update_and_set_cache()
+ else
+ {:ok, new_user_data} = ActivityPub.user_data_from_user_object(updated_object)
+
+ User.get_by_ap_id(updated_object["id"])
+ |> User.remote_user_changeset(new_user_data)
+ |> User.update_and_set_cache()
+ end
+
+ {:ok, object, meta}
+ end
+
# Tasks this handles:
# - Add like to object
# - Set up notification
{:ok, object, meta}
end
+ # Tasks this handles
+ # - Actually create object
+ # - Rollback if we couldn't create it
+ # - Set up notifications
+ def handle(%{data: %{"type" => "Create"}} = activity, meta) do
+ with {:ok, _object, meta} <- handle_object_creation(meta[:object_data], meta) do
+ {:ok, notifications} = Notification.create_notifications(activity, do_send: false)
+
+ meta =
+ meta
+ |> add_notifications(notifications)
+
+ {:ok, activity, meta}
+ else
+ e -> Repo.rollback(e)
+ end
+ end
+
# Tasks this handles:
# - Add announce to object
# - Set up notification
# - Stream out the announce
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"])
- if Visibility.is_public?(object) do
- Utils.add_announce_to_object(object, announced_object)
- end
+ Utils.add_announce_to_object(object, announced_object)
- Notification.create_notifications(object)
- ActivityPub.stream_out(object)
+ if !User.is_internal_user?(user) do
+ Notification.create_notifications(object)
+
+ object
+ |> Topics.get_activity_topics()
+ |> Streamer.stream(object)
+ end
{:ok, object, meta}
end
Object.decrease_replies_count(in_reply_to)
end
+ MessageReference.delete_for_object(deleted_object)
+
ActivityPub.stream_out(object)
ActivityPub.stream_out_participations(deleted_object, user)
:ok
{:ok, object, meta}
end
- def handle_undoing(%{data: %{"type" => "Like"}} = object) do
- with %Object{} = liked_object <- Object.get_by_ap_id(object.data["object"]),
- {:ok, _} <- Utils.remove_like_from_object(object, liked_object),
- {:ok, _} <- Repo.delete(object) do
- :ok
+ def handle_object_creation(%{"type" => "ChatMessage"} = object, meta) do
+ with {:ok, object, meta} <- Pipeline.common_pipeline(object, meta) do
+ actor = User.get_cached_by_ap_id(object.data["actor"])
+ recipient = User.get_cached_by_ap_id(hd(object.data["to"]))
+
+ streamables =
+ [[actor, recipient], [recipient, actor]]
+ |> Enum.map(fn [user, other_user] ->
+ if user.local do
+ {: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)
+
+ {
+ ["user", "user:pleroma_chat"],
+ {user, %{cm_ref | chat: chat, object: object}}
+ }
+ end
+ end)
+ |> Enum.filter(& &1)
+
+ meta =
+ meta
+ |> add_streamables(streamables)
+
+ {:ok, object, meta}
+ end
+ end
+
+ # Nothing to do
+ def handle_object_creation(object) do
+ {:ok, object}
+ end
+
+ defp undo_like(nil, object), do: delete_object(object)
+
+ defp undo_like(%Object{} = liked_object, object) do
+ with {:ok, _} <- Utils.remove_like_from_object(object, liked_object) do
+ delete_object(object)
end
end
+ def handle_undoing(%{data: %{"type" => "Like"}} = object) do
+ object.data["object"]
+ |> Object.get_by_ap_id()
+ |> undo_like(object)
+ end
+
def handle_undoing(%{data: %{"type" => "EmojiReact"}} = object) do
with %Object{} = reacted_object <- Object.get_by_ap_id(object.data["object"]),
{:ok, _} <- Utils.remove_emoji_reaction_from_object(object, reacted_object),
end
def handle_undoing(object), do: {:error, ["don't know how to handle", object]}
+
+ @spec delete_object(Object.t()) :: :ok | {:error, Ecto.Changeset.t()}
+ defp delete_object(object) do
+ with {:ok, _} <- Repo.delete(object), do: :ok
+ end
+
+ defp send_notifications(meta) do
+ Keyword.get(meta, :notifications, [])
+ |> Enum.each(fn notification ->
+ Streamer.stream(["user", "user:notification"], notification)
+ Push.send(notification)
+ end)
+
+ meta
+ end
+
+ defp send_streamables(meta) do
+ Keyword.get(meta, :streamables, [])
+ |> Enum.each(fn {topics, items} ->
+ Streamer.stream(topics, items)
+ end)
+
+ meta
+ end
+
+ defp add_streamables(meta, streamables) do
+ existing = Keyword.get(meta, :streamables, [])
+
+ meta
+ |> Keyword.put(:streamables, streamables ++ existing)
+ end
+
+ defp add_notifications(meta, notifications) do
+ existing = Keyword.get(meta, :notifications, [])
+
+ meta
+ |> Keyword.put(:notifications, notifications ++ existing)
+ end
+
+ def handle_after_transaction(meta) do
+ meta
+ |> send_notifications()
+ |> send_streamables()
+ end
end
projects / akkoma / blobdiff