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 announce_data <- make_announce_data(user, object, activity_id, public),
442 {:ok, activity} <- insert(announce_data, local),
443 {:ok, object} <- add_announce_to_object(activity, object),
444 :ok <- maybe_federate(activity) do
445 {:ok, activity, object}
447 false -> {:error, false}
448 {:error, error} -> Repo.rollback(error)
452 @spec unannounce(User.t(), Object.t(), String.t() | nil, boolean()) ::
453 {:ok, Activity.t(), Object.t()} | {:ok, Object.t()} | {:error, any()}
460 with {:ok, result} <-
461 Repo.transaction(fn -> do_unannounce(actor, object, activity_id, local) end) do
466 defp do_unannounce(actor, object, activity_id, local) do
467 with %Activity{} = announce_activity <- get_existing_announce(actor.ap_id, object),
468 unannounce_data <- make_unannounce_data(actor, announce_activity, activity_id),
469 {:ok, unannounce_activity} <- insert(unannounce_data, local),
470 :ok <- maybe_federate(unannounce_activity),
471 {:ok, _activity} <- Repo.delete(announce_activity),
472 {:ok, object} <- remove_announce_from_object(announce_activity, object) do
473 {:ok, unannounce_activity, object}
476 {:error, error} -> Repo.rollback(error)
480 @spec follow(User.t(), User.t(), String.t() | nil, boolean()) ::
481 {:ok, Activity.t()} | {:error, any()}
482 def follow(follower, followed, activity_id \\ nil, local \\ true) do
483 with {:ok, result} <-
484 Repo.transaction(fn -> do_follow(follower, followed, activity_id, local) end) do
489 defp do_follow(follower, followed, activity_id, local) do
490 with data <- make_follow_data(follower, followed, activity_id),
491 {:ok, activity} <- insert(data, local),
492 :ok <- maybe_federate(activity) do
495 {:error, error} -> Repo.rollback(error)
499 @spec unfollow(User.t(), User.t(), String.t() | nil, boolean()) ::
500 {:ok, Activity.t()} | nil | {:error, any()}
501 def unfollow(follower, followed, activity_id \\ nil, local \\ true) do
502 with {:ok, result} <-
503 Repo.transaction(fn -> do_unfollow(follower, followed, activity_id, local) end) do
508 defp do_unfollow(follower, followed, activity_id, local) do
509 with %Activity{} = follow_activity <- fetch_latest_follow(follower, followed),
510 {:ok, follow_activity} <- update_follow_state(follow_activity, "cancelled"),
511 unfollow_data <- make_unfollow_data(follower, followed, follow_activity, activity_id),
512 {:ok, activity} <- insert(unfollow_data, local),
513 :ok <- maybe_federate(activity) do
517 {:error, error} -> Repo.rollback(error)
521 @spec delete(User.t() | Object.t(), keyword()) :: {:ok, User.t() | Object.t()} | {:error, any()}
522 def delete(entity, options \\ []) do
523 with {:ok, result} <- Repo.transaction(fn -> do_delete(entity, options) end) do
528 defp do_delete(%User{ap_id: ap_id, follower_address: follower_address} = user, _) do
530 "to" => [follower_address],
533 "object" => %{"type" => "Person", "id" => ap_id}
535 {:ok, activity} <- insert(data, true, true, true),
536 :ok <- maybe_federate(activity) do
541 defp do_delete(%Object{data: %{"id" => id, "actor" => actor}} = object, options) do
542 local = Keyword.get(options, :local, true)
543 activity_id = Keyword.get(options, :activity_id, nil)
544 actor = Keyword.get(options, :actor, actor)
546 user = User.get_cached_by_ap_id(actor)
547 to = (object.data["to"] || []) ++ (object.data["cc"] || [])
549 with create_activity <- Activity.get_create_by_object_ap_id(id),
556 "deleted_activity_id" => create_activity && create_activity.id
558 |> maybe_put("id", activity_id),
559 {:ok, activity} <- insert(data, local, false),
560 {:ok, object, _create_activity} <- Object.delete(object),
561 stream_out_participations(object, user),
562 _ <- decrease_replies_count_if_reply(object),
563 {:ok, _actor} <- decrease_note_count_if_public(user, object),
564 :ok <- maybe_federate(activity) do
572 defp do_delete(%Object{data: %{"type" => "Tombstone", "id" => ap_id}}, _) do
575 |> Activity.Queries.by_object_id()
576 |> Activity.Queries.by_type("Delete")
582 @spec block(User.t(), User.t(), String.t() | nil, boolean()) ::
583 {:ok, Activity.t()} | {:error, any()}
584 def block(blocker, blocked, activity_id \\ nil, local \\ true) do
585 with {:ok, result} <-
586 Repo.transaction(fn -> do_block(blocker, blocked, activity_id, local) end) do
591 defp do_block(blocker, blocked, activity_id, local) do
592 outgoing_blocks = Config.get([:activitypub, :outgoing_blocks])
593 unfollow_blocked = Config.get([:activitypub, :unfollow_blocked])
595 if unfollow_blocked do
596 follow_activity = fetch_latest_follow(blocker, blocked)
597 if follow_activity, do: unfollow(blocker, blocked, nil, local)
600 with true <- outgoing_blocks,
601 block_data <- make_block_data(blocker, blocked, activity_id),
602 {:ok, activity} <- insert(block_data, local),
603 :ok <- maybe_federate(activity) do
606 {:error, error} -> Repo.rollback(error)
610 @spec unblock(User.t(), User.t(), String.t() | nil, boolean()) ::
611 {:ok, Activity.t()} | {:error, any()} | nil
612 def unblock(blocker, blocked, activity_id \\ nil, local \\ true) do
613 with {:ok, result} <-
614 Repo.transaction(fn -> do_unblock(blocker, blocked, activity_id, local) end) do
619 defp do_unblock(blocker, blocked, activity_id, local) do
620 with %Activity{} = block_activity <- fetch_latest_block(blocker, blocked),
621 unblock_data <- make_unblock_data(blocker, blocked, block_activity, activity_id),
622 {:ok, activity} <- insert(unblock_data, local),
623 :ok <- maybe_federate(activity) do
627 {:error, error} -> Repo.rollback(error)
631 @spec flag(map()) :: {:ok, Activity.t()} | {:error, any()}
641 # only accept false as false value
642 local = !(params[:local] == false)
643 forward = !(params[:forward] == false)
645 additional = params[:additional] || %{}
649 Map.merge(additional, %{"to" => [], "cc" => [account.ap_id]})
651 Map.merge(additional, %{"to" => [], "cc" => []})
654 with flag_data <- make_flag_data(params, additional),
655 {:ok, activity} <- insert(flag_data, local),
656 {:ok, stripped_activity} <- strip_report_status_data(activity),
657 :ok <- maybe_federate(stripped_activity) do
658 User.all_superusers()
659 |> Enum.filter(fn user -> not is_nil(user.email) end)
660 |> Enum.each(fn superuser ->
662 |> Pleroma.Emails.AdminEmail.report(actor, account, statuses, content)
663 |> Pleroma.Emails.Mailer.deliver_async()
670 @spec move(User.t(), User.t(), boolean()) :: {:ok, Activity.t()} | {:error, any()}
671 def move(%User{} = origin, %User{} = target, local \\ true) do
674 "actor" => origin.ap_id,
675 "object" => origin.ap_id,
676 "target" => target.ap_id
679 with true <- origin.ap_id in target.also_known_as,
680 {:ok, activity} <- insert(params, local) do
681 maybe_federate(activity)
683 BackgroundWorker.enqueue("move_following", %{
684 "origin_id" => origin.id,
685 "target_id" => target.id
690 false -> {:error, "Target account must have the origin in `alsoKnownAs`"}
695 def fetch_activities_for_context_query(context, opts) do
696 public = [Constants.as_public()]
700 do: [opts["user"].ap_id | User.following(opts["user"])] ++ public,
703 from(activity in Activity)
704 |> maybe_preload_objects(opts)
705 |> maybe_preload_bookmarks(opts)
706 |> maybe_set_thread_muted_field(opts)
707 |> restrict_blocked(opts)
708 |> restrict_recipients(recipients, opts["user"])
712 "?->>'type' = ? and ?->>'context' = ?",
719 |> exclude_poll_votes(opts)
721 |> order_by([activity], desc: activity.id)
724 @spec fetch_activities_for_context(String.t(), keyword() | map()) :: [Activity.t()]
725 def fetch_activities_for_context(context, opts \\ %{}) do
727 |> fetch_activities_for_context_query(opts)
731 @spec fetch_latest_activity_id_for_context(String.t(), keyword() | map()) ::
732 FlakeId.Ecto.CompatType.t() | nil
733 def fetch_latest_activity_id_for_context(context, opts \\ %{}) do
735 |> fetch_activities_for_context_query(Map.merge(%{"skip_preload" => true}, opts))
741 @spec fetch_public_activities(map(), Pagination.type()) :: [Activity.t()]
742 def fetch_public_activities(opts \\ %{}, pagination \\ :keyset) do
743 opts = Map.drop(opts, ["user"])
745 [Constants.as_public()]
746 |> fetch_activities_query(opts)
747 |> restrict_unlisted()
748 |> Pagination.fetch_paginated(opts, pagination)
751 @valid_visibilities ~w[direct unlisted public private]
753 defp restrict_visibility(query, %{visibility: visibility})
754 when is_list(visibility) do
755 if Enum.all?(visibility, &(&1 in @valid_visibilities)) do
761 "activity_visibility(?, ?, ?) = ANY (?)",
771 Logger.error("Could not restrict visibility to #{visibility}")
775 defp restrict_visibility(query, %{visibility: visibility})
776 when visibility in @valid_visibilities do
780 fragment("activity_visibility(?, ?, ?) = ?", a.actor, a.recipients, a.data, ^visibility)
784 defp restrict_visibility(_query, %{visibility: visibility})
785 when visibility not in @valid_visibilities do
786 Logger.error("Could not restrict visibility to #{visibility}")
789 defp restrict_visibility(query, _visibility), do: query
791 defp exclude_visibility(query, %{"exclude_visibilities" => visibility})
792 when is_list(visibility) do
793 if Enum.all?(visibility, &(&1 in @valid_visibilities)) do
798 "activity_visibility(?, ?, ?) = ANY (?)",
806 Logger.error("Could not exclude visibility to #{visibility}")
811 defp exclude_visibility(query, %{"exclude_visibilities" => visibility})
812 when visibility in @valid_visibilities do
817 "activity_visibility(?, ?, ?) = ?",
826 defp exclude_visibility(query, %{"exclude_visibilities" => visibility})
827 when visibility not in @valid_visibilities do
828 Logger.error("Could not exclude visibility to #{visibility}")
832 defp exclude_visibility(query, _visibility), do: query
834 defp restrict_thread_visibility(query, _, %{skip_thread_containment: true} = _),
837 defp restrict_thread_visibility(
839 %{"user" => %User{skip_thread_containment: true}},
844 defp restrict_thread_visibility(query, %{"user" => %User{ap_id: ap_id}}, _) do
847 where: fragment("thread_visibility(?, (?)->>'id') = true", ^ap_id, a.data)
851 defp restrict_thread_visibility(query, _, _), do: query
853 def fetch_user_abstract_activities(user, reading_user, params \\ %{}) do
856 |> Map.put("user", reading_user)
857 |> Map.put("actor_id", user.ap_id)
860 user_activities_recipients(%{
861 "godmode" => params["godmode"],
862 "reading_user" => reading_user
865 fetch_activities(recipients, params)
869 def fetch_user_activities(user, reading_user, params \\ %{}) do
872 |> Map.put("type", ["Create", "Announce"])
873 |> Map.put("user", reading_user)
874 |> Map.put("actor_id", user.ap_id)
875 |> Map.put("pinned_activity_ids", user.pinned_activities)
878 if User.blocks?(reading_user, user) do
882 |> Map.put("blocking_user", reading_user)
883 |> Map.put("muting_user", reading_user)
887 user_activities_recipients(%{
888 "godmode" => params["godmode"],
889 "reading_user" => reading_user
892 fetch_activities(recipients, params)
896 def fetch_statuses(reading_user, params) do
899 |> Map.put("type", ["Create", "Announce"])
902 user_activities_recipients(%{
903 "godmode" => params["godmode"],
904 "reading_user" => reading_user
907 fetch_activities(recipients, params, :offset)
911 defp user_activities_recipients(%{"godmode" => true}) do
915 defp user_activities_recipients(%{"reading_user" => reading_user}) do
917 [Constants.as_public()] ++ [reading_user.ap_id | User.following(reading_user)]
919 [Constants.as_public()]
923 defp restrict_since(query, %{"since_id" => ""}), do: query
925 defp restrict_since(query, %{"since_id" => since_id}) do
926 from(activity in query, where: activity.id > ^since_id)
929 defp restrict_since(query, _), do: query
931 defp restrict_tag_reject(_query, %{"tag_reject" => _tag_reject, "skip_preload" => true}) do
932 raise "Can't use the child object without preloading!"
935 defp restrict_tag_reject(query, %{"tag_reject" => tag_reject})
936 when is_list(tag_reject) and tag_reject != [] do
938 [_activity, object] in query,
939 where: fragment("not (?)->'tag' \\?| (?)", object.data, ^tag_reject)
943 defp restrict_tag_reject(query, _), do: query
945 defp restrict_tag_all(_query, %{"tag_all" => _tag_all, "skip_preload" => true}) do
946 raise "Can't use the child object without preloading!"
949 defp restrict_tag_all(query, %{"tag_all" => tag_all})
950 when is_list(tag_all) and tag_all != [] do
952 [_activity, object] in query,
953 where: fragment("(?)->'tag' \\?& (?)", object.data, ^tag_all)
957 defp restrict_tag_all(query, _), do: query
959 defp restrict_tag(_query, %{"tag" => _tag, "skip_preload" => true}) do
960 raise "Can't use the child object without preloading!"
963 defp restrict_tag(query, %{"tag" => tag}) when is_list(tag) do
965 [_activity, object] in query,
966 where: fragment("(?)->'tag' \\?| (?)", object.data, ^tag)
970 defp restrict_tag(query, %{"tag" => tag}) when is_binary(tag) do
972 [_activity, object] in query,
973 where: fragment("(?)->'tag' \\? (?)", object.data, ^tag)
977 defp restrict_tag(query, _), do: query
979 defp restrict_recipients(query, [], _user), do: query
981 defp restrict_recipients(query, recipients, nil) do
982 from(activity in query, where: fragment("? && ?", ^recipients, activity.recipients))
985 defp restrict_recipients(query, recipients, user) do
988 where: fragment("? && ?", ^recipients, activity.recipients),
989 or_where: activity.actor == ^user.ap_id
993 defp restrict_local(query, %{"local_only" => true}) do
994 from(activity in query, where: activity.local == true)
997 defp restrict_local(query, _), do: query
999 defp restrict_actor(query, %{"actor_id" => actor_id}) do
1000 from(activity in query, where: activity.actor == ^actor_id)
1003 defp restrict_actor(query, _), do: query
1005 defp restrict_type(query, %{"type" => type}) when is_binary(type) do
1006 from(activity in query, where: fragment("?->>'type' = ?", activity.data, ^type))
1009 defp restrict_type(query, %{"type" => type}) do
1010 from(activity in query, where: fragment("?->>'type' = ANY(?)", activity.data, ^type))
1013 defp restrict_type(query, _), do: query
1015 defp restrict_state(query, %{"state" => state}) do
1016 from(activity in query, where: fragment("?->>'state' = ?", activity.data, ^state))
1019 defp restrict_state(query, _), do: query
1021 defp restrict_favorited_by(query, %{"favorited_by" => ap_id}) do
1023 [_activity, object] in query,
1024 where: fragment("(?)->'likes' \\? (?)", object.data, ^ap_id)
1028 defp restrict_favorited_by(query, _), do: query
1030 defp restrict_media(_query, %{"only_media" => _val, "skip_preload" => true}) do
1031 raise "Can't use the child object without preloading!"
1034 defp restrict_media(query, %{"only_media" => val}) when val == "true" or val == "1" do
1036 [_activity, object] in query,
1037 where: fragment("not (?)->'attachment' = (?)", object.data, ^[])
1041 defp restrict_media(query, _), do: query
1043 defp restrict_replies(query, %{"exclude_replies" => val}) when val == "true" or val == "1" do
1045 [_activity, object] in query,
1046 where: fragment("?->>'inReplyTo' is null", object.data)
1050 defp restrict_replies(query, _), do: query
1052 defp restrict_reblogs(query, %{"exclude_reblogs" => val}) when val == "true" or val == "1" do
1053 from(activity in query, where: fragment("?->>'type' != 'Announce'", activity.data))
1056 defp restrict_reblogs(query, _), do: query
1058 defp restrict_muted(query, %{"with_muted" => val}) when val in [true, "true", "1"], do: query
1060 defp restrict_muted(query, %{"muting_user" => %User{} = user} = opts) do
1061 mutes = opts["muted_users_ap_ids"] || User.muted_users_ap_ids(user)
1064 from([activity] in query,
1065 where: fragment("not (? = ANY(?))", activity.actor, ^mutes),
1066 where: fragment("not (?->'to' \\?| ?)", activity.data, ^mutes)
1069 unless opts["skip_preload"] do
1070 from([thread_mute: tm] in query, where: is_nil(tm.user_id))
1076 defp restrict_muted(query, _), do: query
1078 defp restrict_blocked(query, %{"blocking_user" => %User{} = user} = opts) do
1079 blocked_ap_ids = opts["blocked_users_ap_ids"] || User.blocked_users_ap_ids(user)
1080 domain_blocks = user.domain_blocks || []
1082 following_ap_ids = User.get_friends_ap_ids(user)
1085 if has_named_binding?(query, :object), do: query, else: Activity.with_joined_object(query)
1088 [activity, object: o] in query,
1089 where: fragment("not (? = ANY(?))", activity.actor, ^blocked_ap_ids),
1090 where: fragment("not (? && ?)", activity.recipients, ^blocked_ap_ids),
1093 "not (?->>'type' = 'Announce' and ?->'to' \\?| ?)",
1100 "(not (split_part(?, '/', 3) = ANY(?))) or ? = ANY(?)",
1108 "(not (split_part(?->>'actor', '/', 3) = ANY(?))) or (?->>'actor') = ANY(?)",
1117 defp restrict_blocked(query, _), do: query
1119 defp restrict_unlisted(query) do
1124 "not (coalesce(?->'cc', '{}'::jsonb) \\?| ?)",
1126 ^[Constants.as_public()]
1131 defp restrict_pinned(query, %{"pinned" => "true", "pinned_activity_ids" => ids}) do
1132 from(activity in query, where: activity.id in ^ids)
1135 defp restrict_pinned(query, _), do: query
1137 defp restrict_muted_reblogs(query, %{"muting_user" => %User{} = user} = opts) do
1138 muted_reblogs = opts["reblog_muted_users_ap_ids"] || User.reblog_muted_users_ap_ids(user)
1144 "not ( ?->>'type' = 'Announce' and ? = ANY(?))",
1152 defp restrict_muted_reblogs(query, _), do: query
1154 defp restrict_instance(query, %{"instance" => instance}) do
1159 where: fragment("? LIKE ?", u.nickname, ^"%@#{instance}")
1163 from(activity in query, where: activity.actor in ^users)
1166 defp restrict_instance(query, _), do: query
1168 defp exclude_poll_votes(query, %{"include_poll_votes" => true}), do: query
1170 defp exclude_poll_votes(query, _) do
1171 if has_named_binding?(query, :object) do
1172 from([activity, object: o] in query,
1173 where: fragment("not(?->>'type' = ?)", o.data, "Answer")
1180 defp exclude_id(query, %{"exclude_id" => id}) when is_binary(id) do
1181 from(activity in query, where: activity.id != ^id)
1184 defp exclude_id(query, _), do: query
1186 defp maybe_preload_objects(query, %{"skip_preload" => true}), do: query
1188 defp maybe_preload_objects(query, _) do
1190 |> Activity.with_preloaded_object()
1193 defp maybe_preload_bookmarks(query, %{"skip_preload" => true}), do: query
1195 defp maybe_preload_bookmarks(query, opts) do
1197 |> Activity.with_preloaded_bookmark(opts["user"])
1200 defp maybe_preload_report_notes(query, %{"preload_report_notes" => true}) do
1202 |> Activity.with_preloaded_report_notes()
1205 defp maybe_preload_report_notes(query, _), do: query
1207 defp maybe_set_thread_muted_field(query, %{"skip_preload" => true}), do: query
1209 defp maybe_set_thread_muted_field(query, opts) do
1211 |> Activity.with_set_thread_muted_field(opts["muting_user"] || opts["user"])
1214 defp maybe_order(query, %{order: :desc}) do
1216 |> order_by(desc: :id)
1219 defp maybe_order(query, %{order: :asc}) do
1221 |> order_by(asc: :id)
1224 defp maybe_order(query, _), do: query
1226 defp fetch_activities_query_ap_ids_ops(opts) do
1227 source_user = opts["muting_user"]
1228 ap_id_relationships = if source_user, do: [:mute, :reblog_mute], else: []
1230 ap_id_relationships =
1231 ap_id_relationships ++
1232 if opts["blocking_user"] && opts["blocking_user"] == source_user do
1238 preloaded_ap_ids = User.outgoing_relationships_ap_ids(source_user, ap_id_relationships)
1240 restrict_blocked_opts = Map.merge(%{"blocked_users_ap_ids" => preloaded_ap_ids[:block]}, opts)
1241 restrict_muted_opts = Map.merge(%{"muted_users_ap_ids" => preloaded_ap_ids[:mute]}, opts)
1243 restrict_muted_reblogs_opts =
1244 Map.merge(%{"reblog_muted_users_ap_ids" => preloaded_ap_ids[:reblog_mute]}, opts)
1246 {restrict_blocked_opts, restrict_muted_opts, restrict_muted_reblogs_opts}
1249 def fetch_activities_query(recipients, opts \\ %{}) do
1250 {restrict_blocked_opts, restrict_muted_opts, restrict_muted_reblogs_opts} =
1251 fetch_activities_query_ap_ids_ops(opts)
1254 skip_thread_containment: Config.get([:instance, :skip_thread_containment])
1258 |> maybe_preload_objects(opts)
1259 |> maybe_preload_bookmarks(opts)
1260 |> maybe_preload_report_notes(opts)
1261 |> maybe_set_thread_muted_field(opts)
1262 |> maybe_order(opts)
1263 |> restrict_recipients(recipients, opts["user"])
1264 |> restrict_tag(opts)
1265 |> restrict_tag_reject(opts)
1266 |> restrict_tag_all(opts)
1267 |> restrict_since(opts)
1268 |> restrict_local(opts)
1269 |> restrict_actor(opts)
1270 |> restrict_type(opts)
1271 |> restrict_state(opts)
1272 |> restrict_favorited_by(opts)
1273 |> restrict_blocked(restrict_blocked_opts)
1274 |> restrict_muted(restrict_muted_opts)
1275 |> restrict_media(opts)
1276 |> restrict_visibility(opts)
1277 |> restrict_thread_visibility(opts, config)
1278 |> restrict_replies(opts)
1279 |> restrict_reblogs(opts)
1280 |> restrict_pinned(opts)
1281 |> restrict_muted_reblogs(restrict_muted_reblogs_opts)
1282 |> restrict_instance(opts)
1283 |> Activity.restrict_deactivated_users()
1284 |> exclude_poll_votes(opts)
1285 |> exclude_visibility(opts)
1288 def fetch_activities(recipients, opts \\ %{}, pagination \\ :keyset) do
1289 list_memberships = Pleroma.List.memberships(opts["user"])
1291 fetch_activities_query(recipients ++ list_memberships, opts)
1292 |> Pagination.fetch_paginated(opts, pagination)
1294 |> maybe_update_cc(list_memberships, opts["user"])
1298 Fetch favorites activities of user with order by sort adds to favorites
1300 @spec fetch_favourites(User.t(), map(), Pagination.type()) :: list(Activity.t())
1301 def fetch_favourites(user, params \\ %{}, pagination \\ :keyset) do
1303 |> Activity.Queries.by_actor()
1304 |> Activity.Queries.by_type("Like")
1305 |> Activity.with_joined_object()
1306 |> Object.with_joined_activity()
1307 |> select([_like, object, activity], %{activity | object: object})
1308 |> order_by([like, _, _], desc: like.id)
1309 |> Pagination.fetch_paginated(
1310 Map.merge(params, %{"skip_order" => true}),
1316 defp maybe_update_cc(activities, list_memberships, %User{ap_id: user_ap_id})
1317 when is_list(list_memberships) and length(list_memberships) > 0 do
1318 Enum.map(activities, fn
1319 %{data: %{"bcc" => bcc}} = activity when is_list(bcc) and length(bcc) > 0 ->
1320 if Enum.any?(bcc, &(&1 in list_memberships)) do
1321 update_in(activity.data["cc"], &[user_ap_id | &1])
1331 defp maybe_update_cc(activities, _, _), do: activities
1333 def fetch_activities_bounded_query(query, recipients, recipients_with_public) do
1334 from(activity in query,
1336 fragment("? && ?", activity.recipients, ^recipients) or
1337 (fragment("? && ?", activity.recipients, ^recipients_with_public) and
1338 ^Constants.as_public() in activity.recipients)
1342 def fetch_activities_bounded(
1344 recipients_with_public,
1346 pagination \\ :keyset
1348 fetch_activities_query([], opts)
1349 |> fetch_activities_bounded_query(recipients, recipients_with_public)
1350 |> Pagination.fetch_paginated(opts, pagination)
1354 @spec upload(Upload.source(), keyword()) :: {:ok, Object.t()} | {:error, any()}
1355 def upload(file, opts \\ []) do
1356 with {:ok, data} <- Upload.store(file, opts) do
1359 Map.put(data, "actor", opts[:actor])
1364 Repo.insert(%Object{data: obj_data})
1368 @spec get_actor_url(any()) :: binary() | nil
1369 defp get_actor_url(url) when is_binary(url), do: url
1370 defp get_actor_url(%{"href" => href}) when is_binary(href), do: href
1372 defp get_actor_url(url) when is_list(url) do
1378 defp get_actor_url(_url), do: nil
1380 defp object_to_user_data(data) do
1382 data["icon"]["url"] &&
1385 "url" => [%{"href" => data["icon"]["url"]}]
1389 data["image"]["url"] &&
1392 "url" => [%{"href" => data["image"]["url"]}]
1397 |> Map.get("attachment", [])
1398 |> Enum.filter(fn %{"type" => t} -> t == "PropertyValue" end)
1399 |> Enum.map(fn fields -> Map.take(fields, ["name", "value"]) end)
1403 |> Map.get("tag", [])
1405 %{"type" => "Emoji"} -> true
1408 |> Enum.reduce(%{}, fn %{"icon" => %{"url" => url}, "name" => name}, acc ->
1409 Map.put(acc, String.trim(name, ":"), url)
1412 locked = data["manuallyApprovesFollowers"] || false
1413 data = Transmogrifier.maybe_fix_user_object(data)
1414 discoverable = data["discoverable"] || false
1415 invisible = data["invisible"] || false
1416 actor_type = data["type"] || "Person"
1419 if is_map(data["publicKey"]) && is_binary(data["publicKey"]["publicKeyPem"]) do
1420 data["publicKey"]["publicKeyPem"]
1426 if is_map(data["endpoints"]) && is_binary(data["endpoints"]["sharedInbox"]) do
1427 data["endpoints"]["sharedInbox"]
1434 uri: get_actor_url(data["url"]),
1440 discoverable: discoverable,
1441 invisible: invisible,
1444 follower_address: data["followers"],
1445 following_address: data["following"],
1446 bio: data["summary"],
1447 actor_type: actor_type,
1448 also_known_as: Map.get(data, "alsoKnownAs", []),
1449 public_key: public_key,
1450 inbox: data["inbox"],
1451 shared_inbox: shared_inbox
1454 # nickname can be nil because of virtual actors
1456 if data["preferredUsername"] do
1460 "#{data["preferredUsername"]}@#{URI.parse(data["id"]).host}"
1463 Map.put(user_data, :nickname, nil)
1469 def fetch_follow_information_for_user(user) do
1470 with {:ok, following_data} <-
1471 Fetcher.fetch_and_contain_remote_object_from_id(user.following_address),
1472 {:ok, hide_follows} <- collection_private(following_data),
1473 {:ok, followers_data} <-
1474 Fetcher.fetch_and_contain_remote_object_from_id(user.follower_address),
1475 {:ok, hide_followers} <- collection_private(followers_data) do
1478 hide_follows: hide_follows,
1479 follower_count: normalize_counter(followers_data["totalItems"]),
1480 following_count: normalize_counter(following_data["totalItems"]),
1481 hide_followers: hide_followers
1484 {:error, _} = e -> e
1489 defp normalize_counter(counter) when is_integer(counter), do: counter
1490 defp normalize_counter(_), do: 0
1492 defp maybe_update_follow_information(data) do
1493 with {:enabled, true} <- {:enabled, Config.get([:instance, :external_user_synchronization])},
1494 {:ok, info} <- fetch_follow_information_for_user(data) do
1495 info = Map.merge(data[:info] || %{}, info)
1496 Map.put(data, :info, info)
1498 {:enabled, false} ->
1503 "Follower/Following counter update for #{data.ap_id} failed.\n" <> inspect(e)
1510 defp collection_private(%{"first" => %{"type" => type}})
1511 when type in ["CollectionPage", "OrderedCollectionPage"],
1514 defp collection_private(%{"first" => first}) do
1515 with {:ok, %{"type" => type}} when type in ["CollectionPage", "OrderedCollectionPage"] <-
1516 Fetcher.fetch_and_contain_remote_object_from_id(first) do
1519 {:error, {:ok, %{status: code}}} when code in [401, 403] -> {:ok, true}
1520 {:error, _} = e -> e
1525 defp collection_private(_data), do: {:ok, true}
1527 def user_data_from_user_object(data) do
1528 with {:ok, data} <- MRF.filter(data),
1529 {:ok, data} <- object_to_user_data(data) do
1536 def fetch_and_prepare_user_from_ap_id(ap_id) do
1537 with {:ok, data} <- Fetcher.fetch_and_contain_remote_object_from_id(ap_id),
1538 {:ok, data} <- user_data_from_user_object(data),
1539 data <- maybe_update_follow_information(data) do
1542 {:error, "Object has been deleted"} = e ->
1543 Logger.debug("Could not decode user at fetch #{ap_id}, #{inspect(e)}")
1547 Logger.error("Could not decode user at fetch #{ap_id}, #{inspect(e)}")
1552 def make_user_from_ap_id(ap_id) do
1553 user = User.get_cached_by_ap_id(ap_id)
1555 if user && !User.ap_enabled?(user) do
1556 Transmogrifier.upgrade_user_from_ap_id(ap_id)
1558 with {:ok, data} <- fetch_and_prepare_user_from_ap_id(ap_id) do
1561 |> User.remote_user_changeset(data)
1562 |> User.update_and_set_cache()
1565 |> User.remote_user_changeset()
1575 def make_user_from_nickname(nickname) do
1576 with {:ok, %{"ap_id" => ap_id}} when not is_nil(ap_id) <- WebFinger.finger(nickname) do
1577 make_user_from_ap_id(ap_id)
1579 _e -> {:error, "No AP id in WebFinger"}
1583 # filter out broken threads
1584 def contain_broken_threads(%Activity{} = activity, %User{} = user) do
1585 entire_thread_visible_for_user?(activity, user)
1588 # do post-processing on a specific activity
1589 def contain_activity(%Activity{} = activity, %User{} = user) do
1590 contain_broken_threads(activity, user)
1593 def fetch_direct_messages_query do
1595 |> restrict_type(%{"type" => "Create"})
1596 |> restrict_visibility(%{visibility: "direct"})
1597 |> order_by([activity], asc: activity.id)