X-Git-Url: https://git.squeep.com/?a=blobdiff_plain;f=lib%2Fpleroma%2Fweb%2Factivity_pub%2Fside_effects.ex;h=5cc2eb378d76a62a9a429ebe9d285f34dc318a62;hb=ac1298fce817e10cb357162441c77d860c4c757d;hp=10136789a5aea37475baa4fc40571d30444dcfe3;hpb=a8ca030d85368285af1b960e14dab5b847ecb35a;p=akkoma diff --git a/lib/pleroma/web/activity_pub/side_effects.ex b/lib/pleroma/web/activity_pub/side_effects.ex index 10136789a..76287f274 100644 --- a/lib/pleroma/web/activity_pub/side_effects.ex +++ b/lib/pleroma/web/activity_pub/side_effects.ex @@ -1,3 +1,7 @@ +# Pleroma: A lightweight social networking server +# Copyright © 2017-2020 Pleroma Authors +# SPDX-License-Identifier: AGPL-3.0-only + defmodule Pleroma.Web.ActivityPub.SideEffects do @moduledoc """ This module looks at an inserted object and executes the side effects that it @@ -6,23 +10,171 @@ defmodule Pleroma.Web.ActivityPub.SideEffects do collection, and so on. """ alias Pleroma.Activity + alias Pleroma.Activity.Ir.Topics alias Pleroma.Chat - alias Pleroma.ChatMessageReference + 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.Builder alias Pleroma.Web.ActivityPub.Pipeline alias Pleroma.Web.ActivityPub.Utils - alias Pleroma.Web.Streamer alias Pleroma.Web.Push + alias Pleroma.Web.Streamer + + 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: %{ + "actor" => actor, + "type" => "Accept", + "object" => follow_activity_id + } + } = object, + meta + ) do + with %Activity{actor: follower_id} = follow_activity <- + Activity.get_by_ap_id(follow_activity_id), + %User{} = followed <- User.get_cached_by_ap_id(actor), + %User{} = follower <- User.get_cached_by_ap_id(follower_id), + {:ok, follow_activity} <- Utils.update_follow_state_for_all(follow_activity, "accept"), + {:ok, _follower, followed} <- + FollowingRelationship.update(follower, followed, :follow_accept) do + Notification.update_notification_type(followed, follow_activity) + end + + {:ok, object, meta} + end + + # Task this handles + # - Rejects all existing follow activities for this person + # - Updates the follow state + # - Dismisses notification + @impl true + def handle( + %{ + data: %{ + "actor" => actor, + "type" => "Reject", + "object" => follow_activity_id + } + } = object, + meta + ) do + with %Activity{actor: follower_id} = follow_activity <- + Activity.get_by_ap_id(follow_activity_id), + %User{} = followed <- User.get_cached_by_ap_id(actor), + %User{} = follower <- User.get_cached_by_ap_id(follower_id), + {:ok, _follow_activity} <- Utils.update_follow_state_for_all(follow_activity, "reject") do + FollowingRelationship.update(follower, followed, :follow_reject) + Notification.dismiss(follow_activity) + end + + {:ok, object, meta} + end + + # Tasks this handle + # - Follows if possible + # - Sends a notification + # - Generates accept or reject if appropriate + @impl true + 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.is_locked do + {:ok, accept_data, _} = Builder.accept(followed, object) + {:ok, _activity, _} = Pipeline.common_pipeline(accept_data, local: true) + end + else + {:following, {:error, _}, _follower, followed} -> + {:ok, reject_data, _} = Builder.reject(followed, object) + {:ok, _activity, _} = Pipeline.common_pipeline(reject_data, local: true) + + _ -> + 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 + @impl true + 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. + @impl true + 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 + @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) @@ -35,10 +187,25 @@ defmodule Pleroma.Web.ActivityPub.SideEffects do # Tasks this handles # - Actually create object # - Rollback if we couldn't create it + # - Increase the user note count + # - Increase the reply count + # - 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) do + with {:ok, object, meta} <- handle_object_creation(meta[:object_data], meta), + %User{} = user <- User.get_cached_by_ap_id(activity.data["actor"]) do {:ok, notifications} = Notification.create_notifications(activity, do_send: false) + {:ok, _user} = ActivityPub.increase_note_count_if_public(user, object) + + if in_reply_to = object.data["inReplyTo"] && object.data["type"] != "Answer" do + Object.increase_replies_count(in_reply_to) + end + + ConcurrentLimiter.limit(Pleroma.Web.RichMedia.Helpers, fn -> + Task.start(fn -> Pleroma.Web.RichMedia.Helpers.fetch_data_for_activity(activity) end) + end) meta = meta @@ -54,6 +221,7 @@ defmodule Pleroma.Web.ActivityPub.SideEffects do # - 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"]) @@ -62,12 +230,16 @@ defmodule Pleroma.Web.ActivityPub.SideEffects do if !User.is_internal_user?(user) do Notification.create_notifications(object) - ActivityPub.stream_out(object) + + object + |> Topics.get_activity_topics() + |> Streamer.stream(object) end {: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 @@ -78,6 +250,7 @@ defmodule Pleroma.Web.ActivityPub.SideEffects 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) @@ -94,15 +267,18 @@ defmodule Pleroma.Web.ActivityPub.SideEffects do # - 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) || User.get_cached_by_ap_id(deleted_object) + 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), - %User{} = user <- User.get_cached_by_ap_id(deleted_object.data["actor"]) do + {_, 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) {:ok, user} = ActivityPub.decrease_note_count_if_public(user, deleted_object) @@ -111,11 +287,15 @@ defmodule Pleroma.Web.ActivityPub.SideEffects do Object.decrease_replies_count(in_reply_to) end - ChatMessageReference.delete_for_object(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)}") + :no_object_actor end %User{} -> @@ -133,6 +313,7 @@ defmodule Pleroma.Web.ActivityPub.SideEffects do end # Nothing to do + @impl true def handle(object, meta) do {:ok, object, meta} end @@ -142,42 +323,74 @@ defmodule Pleroma.Web.ActivityPub.SideEffects do actor = User.get_cached_by_ap_id(object.data["actor"]) recipient = User.get_cached_by_ap_id(hd(object.data["to"])) - [[actor, recipient], [recipient, actor]] - |> Enum.each(fn [user, other_user] -> - if user.local do - {:ok, chat} = Chat.bump_or_create(user.id, other_user.ap_id) - {:ok, cm_ref} = ChatMessageReference.create(chat, object, user.ap_id != actor.ap_id) - - # We add a cache of the unread value here so that it - # doesn't change when being streamed out - chat = - chat - |> Map.put(:unread, ChatMessageReference.unread_count_for_chat(chat)) - - Streamer.stream( - ["user", "user:pleroma_chat"], - {user, %{cm_ref | chat: chat, object: object}} - ) - end - end) + streamables = + [[actor, recipient], [recipient, actor]] + |> Enum.uniq() + |> 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) + + @cachex.put( + :chat_message_id_idempotency_key_cache, + cm_ref.id, + meta[:idempotency_key] + ) + + { + ["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 + + def handle_object_creation(%{"type" => "Answer"} = object_map, meta) do + with {:ok, object, meta} <- Pipeline.common_pipeline(object_map, meta) do + Object.increase_vote_count( + object.data["inReplyTo"], + object.data["name"], + object.data["actor"] + ) + + {:ok, object, meta} + end + end + def handle_object_creation(%{"type" => objtype} = object, meta) + when objtype in ~w[Audio Video Question Event Article] do + with {:ok, object, meta} <- Pipeline.common_pipeline(object, meta) do {:ok, object, meta} end end # Nothing to do - def handle_object_creation(object) do - {:ok, object} + def handle_object_creation(object, meta) do + {: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 + 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), @@ -207,8 +420,13 @@ defmodule Pleroma.Web.ActivityPub.SideEffects do 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, :created_notifications, []) + Keyword.get(meta, :notifications, []) |> Enum.each(fn notification -> Streamer.stream(["user", "user:notification"], notification) Push.send(notification) @@ -217,15 +435,33 @@ defmodule Pleroma.Web.ActivityPub.SideEffects do 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, :created_notifications, []) + existing = Keyword.get(meta, :notifications, []) meta - |> Keyword.put(:created_notifications, notifications ++ existing) + |> Keyword.put(:notifications, notifications ++ existing) end + @impl true def handle_after_transaction(meta) do meta |> send_notifications() + |> send_streamables() end end