1 # Pleroma: A lightweight social networking server
2 # Copyright © 2017-2020 Pleroma Authors <https://pleroma.social/>
3 # SPDX-License-Identifier: AGPL-3.0-only
5 defmodule Pleroma.Web.ActivityPub.ActivityPub do
7 alias Pleroma.Activity.Ir.Topics
9 alias Pleroma.Constants
10 alias Pleroma.Conversation
11 alias Pleroma.Conversation.Participation
12 alias Pleroma.Notification
14 alias Pleroma.Object.Containment
15 alias Pleroma.Object.Fetcher
16 alias Pleroma.Pagination
20 alias Pleroma.Web.ActivityPub.MRF
21 alias Pleroma.Web.ActivityPub.Transmogrifier
22 alias Pleroma.Web.ActivityPub.Utils
23 alias Pleroma.Web.Streamer
24 alias Pleroma.Web.WebFinger
25 alias Pleroma.Workers.BackgroundWorker
28 import Pleroma.Web.ActivityPub.Utils
29 import Pleroma.Web.ActivityPub.Visibility
32 require Pleroma.Constants
34 # For Announce activities, we filter the recipients based on following status for any actors
35 # that match actual users. See issue #164 for more information about why this is necessary.
36 defp get_recipients(%{"type" => "Announce"} = data) do
37 to = Map.get(data, "to", [])
38 cc = Map.get(data, "cc", [])
39 bcc = Map.get(data, "bcc", [])
40 actor = User.get_cached_by_ap_id(data["actor"])
43 Enum.filter(Enum.concat([to, cc, bcc]), fn recipient ->
44 case User.get_cached_by_ap_id(recipient) do
46 user -> User.following?(user, actor)
53 defp get_recipients(%{"type" => "Create"} = data) do
54 to = Map.get(data, "to", [])
55 cc = Map.get(data, "cc", [])
56 bcc = Map.get(data, "bcc", [])
57 actor = Map.get(data, "actor", [])
58 recipients = [to, cc, bcc, [actor]] |> Enum.concat() |> Enum.uniq()
62 defp get_recipients(data) do
63 to = Map.get(data, "to", [])
64 cc = Map.get(data, "cc", [])
65 bcc = Map.get(data, "bcc", [])
66 recipients = Enum.concat([to, cc, bcc])
70 defp check_actor_is_active(actor) do
71 if not is_nil(actor) do
72 with user <- User.get_cached_by_ap_id(actor),
73 false <- user.deactivated do
83 defp check_remote_limit(%{"object" => %{"content" => content}}) when not is_nil(content) do
84 limit = Config.get([:instance, :remote_limit])
85 String.length(content) <= limit
88 defp check_remote_limit(_), do: true
90 def increase_note_count_if_public(actor, object) do
91 if is_public?(object), do: User.increase_note_count(actor), else: {:ok, actor}
94 def decrease_note_count_if_public(actor, object) do
95 if is_public?(object), do: User.decrease_note_count(actor), else: {:ok, actor}
98 def increase_replies_count_if_reply(%{
99 "object" => %{"inReplyTo" => reply_ap_id} = object,
102 if is_public?(object) do
103 Object.increase_replies_count(reply_ap_id)
107 def increase_replies_count_if_reply(_create_data), do: :noop
109 def decrease_replies_count_if_reply(%Object{
110 data: %{"inReplyTo" => reply_ap_id} = object
112 if is_public?(object) do
113 Object.decrease_replies_count(reply_ap_id)
117 def decrease_replies_count_if_reply(_object), do: :noop
119 def increase_poll_votes_if_vote(%{
120 "object" => %{"inReplyTo" => reply_ap_id, "name" => name},
124 Object.increase_vote_count(reply_ap_id, name, actor)
127 def increase_poll_votes_if_vote(_create_data), do: :noop
129 @spec persist(map(), keyword()) :: {:ok, Activity.t() | Object.t()}
130 def persist(object, meta) do
131 with local <- Keyword.fetch!(meta, :local),
132 {recipients, _, _} <- get_recipients(object),
134 Repo.insert(%Activity{
137 recipients: recipients,
138 actor: object["actor"]
140 {:ok, activity, meta}
144 @spec insert(map(), boolean(), boolean(), boolean()) :: {:ok, Activity.t()} | {:error, any()}
145 def insert(map, local \\ true, fake \\ false, bypass_actor_check \\ false) when is_map(map) do
146 with nil <- Activity.normalize(map),
147 map <- lazy_put_activity_defaults(map, fake),
148 true <- bypass_actor_check || check_actor_is_active(map["actor"]),
149 {_, true} <- {:remote_limit_error, check_remote_limit(map)},
150 {:ok, map} <- MRF.filter(map),
151 {recipients, _, _} = get_recipients(map),
152 {:fake, false, map, recipients} <- {:fake, fake, map, recipients},
153 {:containment, :ok} <- {:containment, Containment.contain_child(map)},
154 {:ok, map, object} <- insert_full_object(map) do
156 Repo.insert(%Activity{
160 recipients: recipients
163 # Splice in the child object if we have one.
165 if not is_nil(object) do
166 Map.put(activity, :object, object)
171 BackgroundWorker.enqueue("fetch_data_for_activity", %{"activity_id" => activity.id})
173 Notification.create_notifications(activity)
175 conversation = create_or_bump_conversation(activity, map["actor"])
176 participations = get_participations(conversation)
178 stream_out_participations(participations)
181 %Activity{} = activity ->
184 {:fake, true, map, recipients} ->
185 activity = %Activity{
189 recipients: recipients,
193 Pleroma.Web.RichMedia.Helpers.fetch_data_for_activity(activity)
201 defp create_or_bump_conversation(activity, actor) do
202 with {:ok, conversation} <- Conversation.create_or_bump_for(activity),
203 %User{} = user <- User.get_cached_by_ap_id(actor),
204 Participation.mark_as_read(user, conversation) do
209 defp get_participations({:ok, conversation}) do
211 |> Repo.preload(:participations, force: true)
212 |> Map.get(:participations)
215 defp get_participations(_), do: []
217 def stream_out_participations(participations) do
220 |> Repo.preload(:user)
222 Streamer.stream("participation", participations)
225 def stream_out_participations(%Object{data: %{"context" => context}}, user) do
226 with %Conversation{} = conversation <- Conversation.get_for_ap_id(context),
227 conversation = Repo.preload(conversation, :participations),
229 fetch_latest_activity_id_for_context(conversation.ap_id, %{
231 "blocking_user" => user
233 if last_activity_id do
234 stream_out_participations(conversation.participations)
239 def stream_out_participations(_, _), do: :noop
241 def stream_out(%Activity{data: %{"type" => data_type}} = activity)
242 when data_type in ["Create", "Announce", "Delete"] do
244 |> Topics.get_activity_topics()
245 |> Streamer.stream(activity)
248 def stream_out(_activity) do
252 @spec create(map(), boolean()) :: {:ok, Activity.t()} | {:error, any()}
253 def create(params, fake \\ false) do
254 with {:ok, result} <- Repo.transaction(fn -> do_create(params, fake) end) do
259 defp do_create(%{to: to, actor: actor, context: context, object: object} = params, fake) do
260 additional = params[:additional] || %{}
261 # only accept false as false value
262 local = !(params[:local] == false)
263 published = params[:published]
264 quick_insert? = Config.get([:env]) == :benchmark
268 %{to: to, actor: actor, published: published, context: context, object: object},
271 {:ok, activity} <- insert(create_data, local, fake),
272 {:fake, false, activity} <- {:fake, fake, activity},
273 _ <- increase_replies_count_if_reply(create_data),
274 _ <- increase_poll_votes_if_vote(create_data),
275 {:quick_insert, false, activity} <- {:quick_insert, quick_insert?, activity},
276 {:ok, _actor} <- increase_note_count_if_public(actor, activity),
277 :ok <- maybe_federate(activity) do
280 {:quick_insert, true, activity} ->
283 {:fake, true, activity} ->
287 Repo.rollback(message)
291 @spec listen(map()) :: {:ok, Activity.t()} | {:error, any()}
292 def listen(%{to: to, actor: actor, context: context, object: object} = params) do
293 additional = params[:additional] || %{}
294 # only accept false as false value
295 local = !(params[:local] == false)
296 published = params[:published]
300 %{to: to, actor: actor, published: published, context: context, object: object},
303 {:ok, activity} <- insert(listen_data, local),
304 :ok <- maybe_federate(activity) do
309 @spec accept(map()) :: {:ok, Activity.t()} | {:error, any()}
310 def accept(params) do
311 accept_or_reject("Accept", params)
314 @spec reject(map()) :: {:ok, Activity.t()} | {:error, any()}
315 def reject(params) do
316 accept_or_reject("Reject", params)
319 @spec accept_or_reject(String.t(), map()) :: {:ok, Activity.t()} | {:error, any()}
320 def accept_or_reject(type, %{to: to, actor: actor, object: object} = params) do
321 local = Map.get(params, :local, true)
322 activity_id = Map.get(params, :activity_id, nil)
325 %{"to" => to, "type" => type, "actor" => actor.ap_id, "object" => object}
326 |> Utils.maybe_put("id", activity_id),
327 {:ok, activity} <- insert(data, local),
328 :ok <- maybe_federate(activity) do
333 @spec update(map()) :: {:ok, Activity.t()} | {:error, any()}
334 def update(%{to: to, cc: cc, actor: actor, object: object} = params) do
335 local = !(params[:local] == false)
336 activity_id = params[:activity_id]
345 data <- Utils.maybe_put(data, "id", activity_id),
346 {:ok, activity} <- insert(data, local),
347 :ok <- maybe_federate(activity) do
352 @spec react_with_emoji(User.t(), Object.t(), String.t(), keyword()) ::
353 {:ok, Activity.t(), Object.t()} | {:error, any()}
354 def react_with_emoji(user, object, emoji, options \\ []) do
355 with {:ok, result} <-
356 Repo.transaction(fn -> do_react_with_emoji(user, object, emoji, options) end) do
361 defp do_react_with_emoji(user, object, emoji, options) do
362 with local <- Keyword.get(options, :local, true),
363 activity_id <- Keyword.get(options, :activity_id, nil),
364 true <- Pleroma.Emoji.is_unicode_emoji?(emoji),
365 reaction_data <- make_emoji_reaction_data(user, object, emoji, activity_id),
366 {:ok, activity} <- insert(reaction_data, local),
367 {:ok, object} <- add_emoji_reaction_to_object(activity, object),
368 :ok <- maybe_federate(activity) do
369 {:ok, activity, object}
371 false -> {:error, false}
372 {:error, error} -> Repo.rollback(error)
376 @spec unreact_with_emoji(User.t(), String.t(), keyword()) ::
377 {:ok, Activity.t(), Object.t()} | {:error, any()}
378 def unreact_with_emoji(user, reaction_id, options \\ []) do
379 with {:ok, result} <-
380 Repo.transaction(fn -> do_unreact_with_emoji(user, reaction_id, options) end) do
385 defp do_unreact_with_emoji(user, reaction_id, options) do
386 with local <- Keyword.get(options, :local, true),
387 activity_id <- Keyword.get(options, :activity_id, nil),
388 user_ap_id <- user.ap_id,
389 %Activity{actor: ^user_ap_id} = reaction_activity <- Activity.get_by_ap_id(reaction_id),
390 object <- Object.normalize(reaction_activity),
391 unreact_data <- make_undo_data(user, reaction_activity, activity_id),
392 {:ok, activity} <- insert(unreact_data, local),
393 {:ok, object} <- remove_emoji_reaction_from_object(reaction_activity, object),
394 :ok <- maybe_federate(activity) do
395 {:ok, activity, object}
397 {:error, error} -> Repo.rollback(error)
401 @spec unlike(User.t(), Object.t(), String.t() | nil, boolean()) ::
402 {:ok, Activity.t(), Activity.t(), Object.t()} | {:ok, Object.t()} | {:error, any()}
403 def unlike(%User{} = actor, %Object{} = object, activity_id \\ nil, local \\ true) do
404 with {:ok, result} <-
405 Repo.transaction(fn -> do_unlike(actor, object, activity_id, local) end) do
410 defp do_unlike(actor, object, activity_id, local) do
411 with %Activity{} = like_activity <- get_existing_like(actor.ap_id, object),
412 unlike_data <- make_unlike_data(actor, like_activity, activity_id),
413 {:ok, unlike_activity} <- insert(unlike_data, local),
414 {:ok, _activity} <- Repo.delete(like_activity),
415 {:ok, object} <- remove_like_from_object(like_activity, object),
416 :ok <- maybe_federate(unlike_activity) do
417 {:ok, unlike_activity, like_activity, object}
420 {:error, error} -> Repo.rollback(error)
424 @spec announce(User.t(), Object.t(), String.t() | nil, boolean(), boolean()) ::
425 {:ok, Activity.t(), Object.t()} | {:error, any()}
427 %User{ap_id: _} = user,
428 %Object{data: %{"id" => _}} = object,
433 with {:ok, result} <-
434 Repo.transaction(fn -> do_announce(user, object, activity_id, local, public) end) do
439 defp do_announce(user, object, activity_id, local, public) do
440 with true <- is_announceable?(object, user, public),
441 object <- Object.get_by_id(object.id),
442 announce_data <- make_announce_data(user, object, activity_id, public),
443 {:ok, activity} <- insert(announce_data, local),
444 {:ok, object} <- add_announce_to_object(activity, object),
445 :ok <- maybe_federate(activity) do
446 {:ok, activity, object}
448 false -> {:error, false}
449 {:error, error} -> Repo.rollback(error)
453 @spec unannounce(User.t(), Object.t(), String.t() | nil, boolean()) ::
454 {:ok, Activity.t(), Object.t()} | {:ok, Object.t()} | {:error, any()}
461 with {:ok, result} <-
462 Repo.transaction(fn -> do_unannounce(actor, object, activity_id, local) end) do
467 defp do_unannounce(actor, object, activity_id, local) do
468 with %Activity{} = announce_activity <- get_existing_announce(actor.ap_id, object),
469 unannounce_data <- make_unannounce_data(actor, announce_activity, activity_id),
470 {:ok, unannounce_activity} <- insert(unannounce_data, local),
471 :ok <- maybe_federate(unannounce_activity),
472 {:ok, _activity} <- Repo.delete(announce_activity),
473 {:ok, object} <- remove_announce_from_object(announce_activity, object) do
474 {:ok, unannounce_activity, object}
477 {:error, error} -> Repo.rollback(error)
481 @spec follow(User.t(), User.t(), String.t() | nil, boolean()) ::
482 {:ok, Activity.t()} | {:error, any()}
483 def follow(follower, followed, activity_id \\ nil, local \\ true) do
484 with {:ok, result} <-
485 Repo.transaction(fn -> do_follow(follower, followed, activity_id, local) end) do
490 defp do_follow(follower, followed, activity_id, local) do
491 with data <- make_follow_data(follower, followed, activity_id),
492 {:ok, activity} <- insert(data, local),
493 :ok <- maybe_federate(activity) do
496 {:error, error} -> Repo.rollback(error)
500 @spec unfollow(User.t(), User.t(), String.t() | nil, boolean()) ::
501 {:ok, Activity.t()} | nil | {:error, any()}
502 def unfollow(follower, followed, activity_id \\ nil, local \\ true) do
503 with {:ok, result} <-
504 Repo.transaction(fn -> do_unfollow(follower, followed, activity_id, local) end) do
509 defp do_unfollow(follower, followed, activity_id, local) do
510 with %Activity{} = follow_activity <- fetch_latest_follow(follower, followed),
511 {:ok, follow_activity} <- update_follow_state(follow_activity, "cancelled"),
512 unfollow_data <- make_unfollow_data(follower, followed, follow_activity, activity_id),
513 {:ok, activity} <- insert(unfollow_data, local),
514 :ok <- maybe_federate(activity) do
518 {:error, error} -> Repo.rollback(error)
522 @spec delete(User.t() | Object.t(), keyword()) :: {:ok, User.t() | Object.t()} | {:error, any()}
523 def delete(entity, options \\ []) do
524 with {:ok, result} <- Repo.transaction(fn -> do_delete(entity, options) end) do
529 defp do_delete(%User{ap_id: ap_id, follower_address: follower_address} = user, _) do
531 "to" => [follower_address],
534 "object" => %{"type" => "Person", "id" => ap_id}
536 {:ok, activity} <- insert(data, true, true, true),
537 :ok <- maybe_federate(activity) do
542 defp do_delete(%Object{data: %{"id" => id, "actor" => actor}} = object, options) do
543 local = Keyword.get(options, :local, true)
544 activity_id = Keyword.get(options, :activity_id, nil)
545 actor = Keyword.get(options, :actor, actor)
547 user = User.get_cached_by_ap_id(actor)
548 to = (object.data["to"] || []) ++ (object.data["cc"] || [])
550 with create_activity <- Activity.get_create_by_object_ap_id(id),
557 "deleted_activity_id" => create_activity && create_activity.id
559 |> maybe_put("id", activity_id),
560 {:ok, activity} <- insert(data, local, false),
561 {:ok, object, _create_activity} <- Object.delete(object),
562 stream_out_participations(object, user),
563 _ <- decrease_replies_count_if_reply(object),
564 {:ok, _actor} <- decrease_note_count_if_public(user, object),
565 :ok <- maybe_federate(activity) do
573 defp do_delete(%Object{data: %{"type" => "Tombstone", "id" => ap_id}}, _) do
576 |> Activity.Queries.by_object_id()
577 |> Activity.Queries.by_type("Delete")
583 @spec block(User.t(), User.t(), String.t() | nil, boolean()) ::
584 {:ok, Activity.t()} | {:error, any()}
585 def block(blocker, blocked, activity_id \\ nil, local \\ true) do
586 with {:ok, result} <-
587 Repo.transaction(fn -> do_block(blocker, blocked, activity_id, local) end) do
592 defp do_block(blocker, blocked, activity_id, local) do
593 outgoing_blocks = Config.get([:activitypub, :outgoing_blocks])
594 unfollow_blocked = Config.get([:activitypub, :unfollow_blocked])
596 if unfollow_blocked do
597 follow_activity = fetch_latest_follow(blocker, blocked)
598 if follow_activity, do: unfollow(blocker, blocked, nil, local)
601 with true <- outgoing_blocks,
602 block_data <- make_block_data(blocker, blocked, activity_id),
603 {:ok, activity} <- insert(block_data, local),
604 :ok <- maybe_federate(activity) do
607 {:error, error} -> Repo.rollback(error)
611 @spec unblock(User.t(), User.t(), String.t() | nil, boolean()) ::
612 {:ok, Activity.t()} | {:error, any()} | nil
613 def unblock(blocker, blocked, activity_id \\ nil, local \\ true) do
614 with {:ok, result} <-
615 Repo.transaction(fn -> do_unblock(blocker, blocked, activity_id, local) end) do
620 defp do_unblock(blocker, blocked, activity_id, local) do
621 with %Activity{} = block_activity <- fetch_latest_block(blocker, blocked),
622 unblock_data <- make_unblock_data(blocker, blocked, block_activity, activity_id),
623 {:ok, activity} <- insert(unblock_data, local),
624 :ok <- maybe_federate(activity) do
628 {:error, error} -> Repo.rollback(error)
632 @spec flag(map()) :: {:ok, Activity.t()} | {:error, any()}
642 # only accept false as false value
643 local = !(params[:local] == false)
644 forward = !(params[:forward] == false)
646 additional = params[:additional] || %{}
650 Map.merge(additional, %{"to" => [], "cc" => [account.ap_id]})
652 Map.merge(additional, %{"to" => [], "cc" => []})
655 with flag_data <- make_flag_data(params, additional),
656 {:ok, activity} <- insert(flag_data, local),
657 {:ok, stripped_activity} <- strip_report_status_data(activity),
658 :ok <- maybe_federate(stripped_activity) do
659 User.all_superusers()
660 |> Enum.filter(fn user -> not is_nil(user.email) end)
661 |> Enum.each(fn superuser ->
663 |> Pleroma.Emails.AdminEmail.report(actor, account, statuses, content)
664 |> Pleroma.Emails.Mailer.deliver_async()
671 @spec move(User.t(), User.t(), boolean()) :: {:ok, Activity.t()} | {:error, any()}
672 def move(%User{} = origin, %User{} = target, local \\ true) do
675 "actor" => origin.ap_id,
676 "object" => origin.ap_id,
677 "target" => target.ap_id
680 with true <- origin.ap_id in target.also_known_as,
681 {:ok, activity} <- insert(params, local) do
682 maybe_federate(activity)
684 BackgroundWorker.enqueue("move_following", %{
685 "origin_id" => origin.id,
686 "target_id" => target.id
691 false -> {:error, "Target account must have the origin in `alsoKnownAs`"}
696 def fetch_activities_for_context_query(context, opts) do
697 public = [Constants.as_public()]
701 do: [opts["user"].ap_id | User.following(opts["user"])] ++ public,
704 from(activity in Activity)
705 |> maybe_preload_objects(opts)
706 |> maybe_preload_bookmarks(opts)
707 |> maybe_set_thread_muted_field(opts)
708 |> restrict_blocked(opts)
709 |> restrict_recipients(recipients, opts["user"])
713 "?->>'type' = ? and ?->>'context' = ?",
720 |> exclude_poll_votes(opts)
722 |> order_by([activity], desc: activity.id)
725 @spec fetch_activities_for_context(String.t(), keyword() | map()) :: [Activity.t()]
726 def fetch_activities_for_context(context, opts \\ %{}) do
728 |> fetch_activities_for_context_query(opts)
732 @spec fetch_latest_activity_id_for_context(String.t(), keyword() | map()) ::
733 FlakeId.Ecto.CompatType.t() | nil
734 def fetch_latest_activity_id_for_context(context, opts \\ %{}) do
736 |> fetch_activities_for_context_query(Map.merge(%{"skip_preload" => true}, opts))
742 @spec fetch_public_activities(map(), Pagination.type()) :: [Activity.t()]
743 def fetch_public_activities(opts \\ %{}, pagination \\ :keyset) do
744 opts = Map.drop(opts, ["user"])
746 [Constants.as_public()]
747 |> fetch_activities_query(opts)
748 |> restrict_unlisted()
749 |> Pagination.fetch_paginated(opts, pagination)
752 @valid_visibilities ~w[direct unlisted public private]
754 defp restrict_visibility(query, %{visibility: visibility})
755 when is_list(visibility) do
756 if Enum.all?(visibility, &(&1 in @valid_visibilities)) do
762 "activity_visibility(?, ?, ?) = ANY (?)",
772 Logger.error("Could not restrict visibility to #{visibility}")
776 defp restrict_visibility(query, %{visibility: visibility})
777 when visibility in @valid_visibilities do
781 fragment("activity_visibility(?, ?, ?) = ?", a.actor, a.recipients, a.data, ^visibility)
785 defp restrict_visibility(_query, %{visibility: visibility})
786 when visibility not in @valid_visibilities do
787 Logger.error("Could not restrict visibility to #{visibility}")
790 defp restrict_visibility(query, _visibility), do: query
792 defp exclude_visibility(query, %{"exclude_visibilities" => visibility})
793 when is_list(visibility) do
794 if Enum.all?(visibility, &(&1 in @valid_visibilities)) do
799 "activity_visibility(?, ?, ?) = ANY (?)",
807 Logger.error("Could not exclude visibility to #{visibility}")
812 defp exclude_visibility(query, %{"exclude_visibilities" => visibility})
813 when visibility in @valid_visibilities do
818 "activity_visibility(?, ?, ?) = ?",
827 defp exclude_visibility(query, %{"exclude_visibilities" => visibility})
828 when visibility not in [nil | @valid_visibilities] do
829 Logger.error("Could not exclude visibility to #{visibility}")
833 defp exclude_visibility(query, _visibility), do: query
835 defp restrict_thread_visibility(query, _, %{skip_thread_containment: true} = _),
838 defp restrict_thread_visibility(
840 %{"user" => %User{skip_thread_containment: true}},
845 defp restrict_thread_visibility(query, %{"user" => %User{ap_id: ap_id}}, _) do
848 where: fragment("thread_visibility(?, (?)->>'id') = true", ^ap_id, a.data)
852 defp restrict_thread_visibility(query, _, _), do: query
854 def fetch_user_abstract_activities(user, reading_user, params \\ %{}) do
857 |> Map.put("user", reading_user)
858 |> Map.put("actor_id", user.ap_id)
861 user_activities_recipients(%{
862 "godmode" => params["godmode"],
863 "reading_user" => reading_user
866 fetch_activities(recipients, params)
870 def fetch_user_activities(user, reading_user, params \\ %{}) do
873 |> Map.put("type", ["Create", "Announce"])
874 |> Map.put("user", reading_user)
875 |> Map.put("actor_id", user.ap_id)
876 |> Map.put("pinned_activity_ids", user.pinned_activities)
879 if User.blocks?(reading_user, user) do
883 |> Map.put("blocking_user", reading_user)
884 |> Map.put("muting_user", reading_user)
888 user_activities_recipients(%{
889 "godmode" => params["godmode"],
890 "reading_user" => reading_user
893 fetch_activities(recipients, params)
897 def fetch_statuses(reading_user, params) do
900 |> Map.put("type", ["Create", "Announce"])
903 user_activities_recipients(%{
904 "godmode" => params["godmode"],
905 "reading_user" => reading_user
908 fetch_activities(recipients, params, :offset)
912 defp user_activities_recipients(%{"godmode" => true}) do
916 defp user_activities_recipients(%{"reading_user" => reading_user}) do
918 [Constants.as_public()] ++ [reading_user.ap_id | User.following(reading_user)]
920 [Constants.as_public()]
924 defp restrict_since(query, %{"since_id" => ""}), do: query
926 defp restrict_since(query, %{"since_id" => since_id}) do
927 from(activity in query, where: activity.id > ^since_id)
930 defp restrict_since(query, _), do: query
932 defp restrict_tag_reject(_query, %{"tag_reject" => _tag_reject, "skip_preload" => true}) do
933 raise "Can't use the child object without preloading!"
936 defp restrict_tag_reject(query, %{"tag_reject" => tag_reject})
937 when is_list(tag_reject) and tag_reject != [] do
939 [_activity, object] in query,
940 where: fragment("not (?)->'tag' \\?| (?)", object.data, ^tag_reject)
944 defp restrict_tag_reject(query, _), do: query
946 defp restrict_tag_all(_query, %{"tag_all" => _tag_all, "skip_preload" => true}) do
947 raise "Can't use the child object without preloading!"
950 defp restrict_tag_all(query, %{"tag_all" => tag_all})
951 when is_list(tag_all) and tag_all != [] do
953 [_activity, object] in query,
954 where: fragment("(?)->'tag' \\?& (?)", object.data, ^tag_all)
958 defp restrict_tag_all(query, _), do: query
960 defp restrict_tag(_query, %{"tag" => _tag, "skip_preload" => true}) do
961 raise "Can't use the child object without preloading!"
964 defp restrict_tag(query, %{"tag" => tag}) when is_list(tag) do
966 [_activity, object] in query,
967 where: fragment("(?)->'tag' \\?| (?)", object.data, ^tag)
971 defp restrict_tag(query, %{"tag" => tag}) when is_binary(tag) do
973 [_activity, object] in query,
974 where: fragment("(?)->'tag' \\? (?)", object.data, ^tag)
978 defp restrict_tag(query, _), do: query
980 defp restrict_recipients(query, [], _user), do: query
982 defp restrict_recipients(query, recipients, nil) do
983 from(activity in query, where: fragment("? && ?", ^recipients, activity.recipients))
986 defp restrict_recipients(query, recipients, user) do
989 where: fragment("? && ?", ^recipients, activity.recipients),
990 or_where: activity.actor == ^user.ap_id
994 defp restrict_local(query, %{"local_only" => true}) do
995 from(activity in query, where: activity.local == true)
998 defp restrict_local(query, _), do: query
1000 defp restrict_actor(query, %{"actor_id" => actor_id}) do
1001 from(activity in query, where: activity.actor == ^actor_id)
1004 defp restrict_actor(query, _), do: query
1006 defp restrict_type(query, %{"type" => type}) when is_binary(type) do
1007 from(activity in query, where: fragment("?->>'type' = ?", activity.data, ^type))
1010 defp restrict_type(query, %{"type" => type}) do
1011 from(activity in query, where: fragment("?->>'type' = ANY(?)", activity.data, ^type))
1014 defp restrict_type(query, _), do: query
1016 defp restrict_state(query, %{"state" => state}) do
1017 from(activity in query, where: fragment("?->>'state' = ?", activity.data, ^state))
1020 defp restrict_state(query, _), do: query
1022 defp restrict_favorited_by(query, %{"favorited_by" => ap_id}) do
1024 [_activity, object] in query,
1025 where: fragment("(?)->'likes' \\? (?)", object.data, ^ap_id)
1029 defp restrict_favorited_by(query, _), do: query
1031 defp restrict_media(_query, %{"only_media" => _val, "skip_preload" => true}) do
1032 raise "Can't use the child object without preloading!"
1035 defp restrict_media(query, %{"only_media" => val}) when val in [true, "true", "1"] do
1037 [_activity, object] in query,
1038 where: fragment("not (?)->'attachment' = (?)", object.data, ^[])
1042 defp restrict_media(query, _), do: query
1044 defp restrict_replies(query, %{"exclude_replies" => val}) when val in [true, "true", "1"] do
1046 [_activity, object] in query,
1047 where: fragment("?->>'inReplyTo' is null", object.data)
1051 defp restrict_replies(query, %{
1052 "reply_filtering_user" => user,
1053 "reply_visibility" => "self"
1056 [activity, object] in query,
1059 "?->>'inReplyTo' is null OR ? = ANY(?)",
1067 defp restrict_replies(query, %{
1068 "reply_filtering_user" => user,
1069 "reply_visibility" => "following"
1072 [activity, object] in query,
1075 "?->>'inReplyTo' is null OR ? && array_remove(?, ?) OR ? = ?",
1077 ^[user.ap_id | User.get_cached_user_friends_ap_ids(user)],
1078 activity.recipients,
1086 defp restrict_replies(query, _), do: query
1088 defp restrict_reblogs(query, %{"exclude_reblogs" => val}) when val in [true, "true", "1"] do
1089 from(activity in query, where: fragment("?->>'type' != 'Announce'", activity.data))
1092 defp restrict_reblogs(query, _), do: query
1094 defp restrict_muted(query, %{"with_muted" => val}) when val in [true, "true", "1"], do: query
1096 defp restrict_muted(query, %{"muting_user" => %User{} = user} = opts) do
1097 mutes = opts["muted_users_ap_ids"] || User.muted_users_ap_ids(user)
1100 from([activity] in query,
1101 where: fragment("not (? = ANY(?))", activity.actor, ^mutes),
1102 where: fragment("not (?->'to' \\?| ?)", activity.data, ^mutes)
1105 unless opts["skip_preload"] do
1106 from([thread_mute: tm] in query, where: is_nil(tm.user_id))
1112 defp restrict_muted(query, _), do: query
1114 defp restrict_blocked(query, %{"blocking_user" => %User{} = user} = opts) do
1115 blocked_ap_ids = opts["blocked_users_ap_ids"] || User.blocked_users_ap_ids(user)
1116 domain_blocks = user.domain_blocks || []
1118 following_ap_ids = User.get_friends_ap_ids(user)
1121 if has_named_binding?(query, :object), do: query, else: Activity.with_joined_object(query)
1124 [activity, object: o] in query,
1125 where: fragment("not (? = ANY(?))", activity.actor, ^blocked_ap_ids),
1126 where: fragment("not (? && ?)", activity.recipients, ^blocked_ap_ids),
1129 "not (?->>'type' = 'Announce' and ?->'to' \\?| ?)",
1136 "(not (split_part(?, '/', 3) = ANY(?))) or ? = ANY(?)",
1144 "(not (split_part(?->>'actor', '/', 3) = ANY(?))) or (?->>'actor') = ANY(?)",
1153 defp restrict_blocked(query, _), do: query
1155 defp restrict_unlisted(query) do
1160 "not (coalesce(?->'cc', '{}'::jsonb) \\?| ?)",
1162 ^[Constants.as_public()]
1167 # TODO: when all endpoints migrated to OpenAPI compare `pinned` with `true` (boolean) only,
1168 # the same for `restrict_media/2`, `restrict_replies/2`, 'restrict_reblogs/2'
1169 # and `restrict_muted/2`
1171 defp restrict_pinned(query, %{"pinned" => pinned, "pinned_activity_ids" => ids})
1172 when pinned in [true, "true", "1"] do
1173 from(activity in query, where: activity.id in ^ids)
1176 defp restrict_pinned(query, _), do: query
1178 defp restrict_muted_reblogs(query, %{"muting_user" => %User{} = user} = opts) do
1179 muted_reblogs = opts["reblog_muted_users_ap_ids"] || User.reblog_muted_users_ap_ids(user)
1185 "not ( ?->>'type' = 'Announce' and ? = ANY(?))",
1193 defp restrict_muted_reblogs(query, _), do: query
1195 defp restrict_instance(query, %{"instance" => instance}) do
1200 where: fragment("? LIKE ?", u.nickname, ^"%@#{instance}")
1204 from(activity in query, where: activity.actor in ^users)
1207 defp restrict_instance(query, _), do: query
1209 defp exclude_poll_votes(query, %{"include_poll_votes" => true}), do: query
1211 defp exclude_poll_votes(query, _) do
1212 if has_named_binding?(query, :object) do
1213 from([activity, object: o] in query,
1214 where: fragment("not(?->>'type' = ?)", o.data, "Answer")
1221 defp exclude_id(query, %{"exclude_id" => id}) when is_binary(id) do
1222 from(activity in query, where: activity.id != ^id)
1225 defp exclude_id(query, _), do: query
1227 defp maybe_preload_objects(query, %{"skip_preload" => true}), do: query
1229 defp maybe_preload_objects(query, _) do
1231 |> Activity.with_preloaded_object()
1234 defp maybe_preload_bookmarks(query, %{"skip_preload" => true}), do: query
1236 defp maybe_preload_bookmarks(query, opts) do
1238 |> Activity.with_preloaded_bookmark(opts["user"])
1241 defp maybe_preload_report_notes(query, %{"preload_report_notes" => true}) do
1243 |> Activity.with_preloaded_report_notes()
1246 defp maybe_preload_report_notes(query, _), do: query
1248 defp maybe_set_thread_muted_field(query, %{"skip_preload" => true}), do: query
1250 defp maybe_set_thread_muted_field(query, opts) do
1252 |> Activity.with_set_thread_muted_field(opts["muting_user"] || opts["user"])
1255 defp maybe_order(query, %{order: :desc}) do
1257 |> order_by(desc: :id)
1260 defp maybe_order(query, %{order: :asc}) do
1262 |> order_by(asc: :id)
1265 defp maybe_order(query, _), do: query
1267 defp fetch_activities_query_ap_ids_ops(opts) do
1268 source_user = opts["muting_user"]
1269 ap_id_relationships = if source_user, do: [:mute, :reblog_mute], else: []
1271 ap_id_relationships =
1272 ap_id_relationships ++
1273 if opts["blocking_user"] && opts["blocking_user"] == source_user do
1279 preloaded_ap_ids = User.outgoing_relationships_ap_ids(source_user, ap_id_relationships)
1281 restrict_blocked_opts = Map.merge(%{"blocked_users_ap_ids" => preloaded_ap_ids[:block]}, opts)
1282 restrict_muted_opts = Map.merge(%{"muted_users_ap_ids" => preloaded_ap_ids[:mute]}, opts)
1284 restrict_muted_reblogs_opts =
1285 Map.merge(%{"reblog_muted_users_ap_ids" => preloaded_ap_ids[:reblog_mute]}, opts)
1287 {restrict_blocked_opts, restrict_muted_opts, restrict_muted_reblogs_opts}
1290 def fetch_activities_query(recipients, opts \\ %{}) do
1291 {restrict_blocked_opts, restrict_muted_opts, restrict_muted_reblogs_opts} =
1292 fetch_activities_query_ap_ids_ops(opts)
1295 skip_thread_containment: Config.get([:instance, :skip_thread_containment])
1299 |> maybe_preload_objects(opts)
1300 |> maybe_preload_bookmarks(opts)
1301 |> maybe_preload_report_notes(opts)
1302 |> maybe_set_thread_muted_field(opts)
1303 |> maybe_order(opts)
1304 |> restrict_recipients(recipients, opts["user"])
1305 |> restrict_replies(opts)
1306 |> restrict_tag(opts)
1307 |> restrict_tag_reject(opts)
1308 |> restrict_tag_all(opts)
1309 |> restrict_since(opts)
1310 |> restrict_local(opts)
1311 |> restrict_actor(opts)
1312 |> restrict_type(opts)
1313 |> restrict_state(opts)
1314 |> restrict_favorited_by(opts)
1315 |> restrict_blocked(restrict_blocked_opts)
1316 |> restrict_muted(restrict_muted_opts)
1317 |> restrict_media(opts)
1318 |> restrict_visibility(opts)
1319 |> restrict_thread_visibility(opts, config)
1320 |> restrict_reblogs(opts)
1321 |> restrict_pinned(opts)
1322 |> restrict_muted_reblogs(restrict_muted_reblogs_opts)
1323 |> restrict_instance(opts)
1324 |> Activity.restrict_deactivated_users()
1325 |> exclude_poll_votes(opts)
1326 |> exclude_visibility(opts)
1329 def fetch_activities(recipients, opts \\ %{}, pagination \\ :keyset) do
1330 list_memberships = Pleroma.List.memberships(opts["user"])
1332 fetch_activities_query(recipients ++ list_memberships, opts)
1333 |> Pagination.fetch_paginated(opts, pagination)
1335 |> maybe_update_cc(list_memberships, opts["user"])
1339 Fetch favorites activities of user with order by sort adds to favorites
1341 @spec fetch_favourites(User.t(), map(), Pagination.type()) :: list(Activity.t())
1342 def fetch_favourites(user, params \\ %{}, pagination \\ :keyset) do
1344 |> Activity.Queries.by_actor()
1345 |> Activity.Queries.by_type("Like")
1346 |> Activity.with_joined_object()
1347 |> Object.with_joined_activity()
1348 |> select([_like, object, activity], %{activity | object: object})
1349 |> order_by([like, _, _], desc: like.id)
1350 |> Pagination.fetch_paginated(
1351 Map.merge(params, %{"skip_order" => true}),
1357 defp maybe_update_cc(activities, list_memberships, %User{ap_id: user_ap_id})
1358 when is_list(list_memberships) and length(list_memberships) > 0 do
1359 Enum.map(activities, fn
1360 %{data: %{"bcc" => bcc}} = activity when is_list(bcc) and length(bcc) > 0 ->
1361 if Enum.any?(bcc, &(&1 in list_memberships)) do
1362 update_in(activity.data["cc"], &[user_ap_id | &1])
1372 defp maybe_update_cc(activities, _, _), do: activities
1374 def fetch_activities_bounded_query(query, recipients, recipients_with_public) do
1375 from(activity in query,
1377 fragment("? && ?", activity.recipients, ^recipients) or
1378 (fragment("? && ?", activity.recipients, ^recipients_with_public) and
1379 ^Constants.as_public() in activity.recipients)
1383 def fetch_activities_bounded(
1385 recipients_with_public,
1387 pagination \\ :keyset
1389 fetch_activities_query([], opts)
1390 |> fetch_activities_bounded_query(recipients, recipients_with_public)
1391 |> Pagination.fetch_paginated(opts, pagination)
1395 @spec upload(Upload.source(), keyword()) :: {:ok, Object.t()} | {:error, any()}
1396 def upload(file, opts \\ []) do
1397 with {:ok, data} <- Upload.store(file, opts) do
1400 Map.put(data, "actor", opts[:actor])
1405 Repo.insert(%Object{data: obj_data})
1409 @spec get_actor_url(any()) :: binary() | nil
1410 defp get_actor_url(url) when is_binary(url), do: url
1411 defp get_actor_url(%{"href" => href}) when is_binary(href), do: href
1413 defp get_actor_url(url) when is_list(url) do
1419 defp get_actor_url(_url), do: nil
1421 defp object_to_user_data(data) do
1423 data["icon"]["url"] &&
1426 "url" => [%{"href" => data["icon"]["url"]}]
1430 data["image"]["url"] &&
1433 "url" => [%{"href" => data["image"]["url"]}]
1438 |> Map.get("attachment", [])
1439 |> Enum.filter(fn %{"type" => t} -> t == "PropertyValue" end)
1440 |> Enum.map(fn fields -> Map.take(fields, ["name", "value"]) end)
1444 |> Map.get("tag", [])
1446 %{"type" => "Emoji"} -> true
1449 |> Enum.reduce(%{}, fn %{"icon" => %{"url" => url}, "name" => name}, acc ->
1450 Map.put(acc, String.trim(name, ":"), url)
1453 locked = data["manuallyApprovesFollowers"] || false
1454 data = Transmogrifier.maybe_fix_user_object(data)
1455 discoverable = data["discoverable"] || false
1456 invisible = data["invisible"] || false
1457 actor_type = data["type"] || "Person"
1460 if is_map(data["publicKey"]) && is_binary(data["publicKey"]["publicKeyPem"]) do
1461 data["publicKey"]["publicKeyPem"]
1467 if is_map(data["endpoints"]) && is_binary(data["endpoints"]["sharedInbox"]) do
1468 data["endpoints"]["sharedInbox"]
1475 uri: get_actor_url(data["url"]),
1481 discoverable: discoverable,
1482 invisible: invisible,
1485 follower_address: data["followers"],
1486 following_address: data["following"],
1487 bio: data["summary"],
1488 actor_type: actor_type,
1489 also_known_as: Map.get(data, "alsoKnownAs", []),
1490 public_key: public_key,
1491 inbox: data["inbox"],
1492 shared_inbox: shared_inbox
1495 # nickname can be nil because of virtual actors
1497 if data["preferredUsername"] do
1501 "#{data["preferredUsername"]}@#{URI.parse(data["id"]).host}"
1504 Map.put(user_data, :nickname, nil)
1510 def fetch_follow_information_for_user(user) do
1511 with {:ok, following_data} <-
1512 Fetcher.fetch_and_contain_remote_object_from_id(user.following_address),
1513 {:ok, hide_follows} <- collection_private(following_data),
1514 {:ok, followers_data} <-
1515 Fetcher.fetch_and_contain_remote_object_from_id(user.follower_address),
1516 {:ok, hide_followers} <- collection_private(followers_data) do
1519 hide_follows: hide_follows,
1520 follower_count: normalize_counter(followers_data["totalItems"]),
1521 following_count: normalize_counter(following_data["totalItems"]),
1522 hide_followers: hide_followers
1525 {:error, _} = e -> e
1530 defp normalize_counter(counter) when is_integer(counter), do: counter
1531 defp normalize_counter(_), do: 0
1533 defp maybe_update_follow_information(data) do
1534 with {:enabled, true} <- {:enabled, Config.get([:instance, :external_user_synchronization])},
1535 {:ok, info} <- fetch_follow_information_for_user(data) do
1536 info = Map.merge(data[:info] || %{}, info)
1537 Map.put(data, :info, info)
1539 {:enabled, false} ->
1544 "Follower/Following counter update for #{data.ap_id} failed.\n" <> inspect(e)
1551 defp collection_private(%{"first" => %{"type" => type}})
1552 when type in ["CollectionPage", "OrderedCollectionPage"],
1555 defp collection_private(%{"first" => first}) do
1556 with {:ok, %{"type" => type}} when type in ["CollectionPage", "OrderedCollectionPage"] <-
1557 Fetcher.fetch_and_contain_remote_object_from_id(first) do
1560 {:error, {:ok, %{status: code}}} when code in [401, 403] -> {:ok, true}
1561 {:error, _} = e -> e
1566 defp collection_private(_data), do: {:ok, true}
1568 def user_data_from_user_object(data) do
1569 with {:ok, data} <- MRF.filter(data),
1570 {:ok, data} <- object_to_user_data(data) do
1577 def fetch_and_prepare_user_from_ap_id(ap_id) do
1578 with {:ok, data} <- Fetcher.fetch_and_contain_remote_object_from_id(ap_id),
1579 {:ok, data} <- user_data_from_user_object(data),
1580 data <- maybe_update_follow_information(data) do
1583 {:error, "Object has been deleted"} = e ->
1584 Logger.debug("Could not decode user at fetch #{ap_id}, #{inspect(e)}")
1588 Logger.error("Could not decode user at fetch #{ap_id}, #{inspect(e)}")
1593 def make_user_from_ap_id(ap_id) do
1594 user = User.get_cached_by_ap_id(ap_id)
1596 if user && !User.ap_enabled?(user) do
1597 Transmogrifier.upgrade_user_from_ap_id(ap_id)
1599 with {:ok, data} <- fetch_and_prepare_user_from_ap_id(ap_id) do
1602 |> User.remote_user_changeset(data)
1603 |> User.update_and_set_cache()
1606 |> User.remote_user_changeset()
1616 def make_user_from_nickname(nickname) do
1617 with {:ok, %{"ap_id" => ap_id}} when not is_nil(ap_id) <- WebFinger.finger(nickname) do
1618 make_user_from_ap_id(ap_id)
1620 _e -> {:error, "No AP id in WebFinger"}
1624 # filter out broken threads
1625 def contain_broken_threads(%Activity{} = activity, %User{} = user) do
1626 entire_thread_visible_for_user?(activity, user)
1629 # do post-processing on a specific activity
1630 def contain_activity(%Activity{} = activity, %User{} = user) do
1631 contain_broken_threads(activity, user)
1634 def fetch_direct_messages_query do
1636 |> restrict_type(%{"type" => "Create"})
1637 |> restrict_visibility(%{visibility: "direct"})
1638 |> order_by([activity], asc: activity.id)