1 # Pleroma: A lightweight social networking server
2 # Copyright © 2017-2021 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
14 alias Pleroma.Notification
16 alias Pleroma.Object.Containment
17 alias Pleroma.Object.Fetcher
18 alias Pleroma.Pagination
22 alias Pleroma.Web.ActivityPub.MRF
23 alias Pleroma.Web.ActivityPub.Transmogrifier
24 alias Pleroma.Web.Streamer
25 alias Pleroma.Web.WebFinger
26 alias Pleroma.Workers.BackgroundWorker
29 import Pleroma.Web.ActivityPub.Utils
30 import Pleroma.Web.ActivityPub.Visibility
33 require Pleroma.Constants
35 @behaviour Pleroma.Web.ActivityPub.ActivityPub.Persisting
36 @behaviour Pleroma.Web.ActivityPub.ActivityPub.Streaming
38 defp get_recipients(%{"type" => "Create"} = data) do
39 to = Map.get(data, "to", [])
40 cc = Map.get(data, "cc", [])
41 bcc = Map.get(data, "bcc", [])
42 actor = Map.get(data, "actor", [])
43 recipients = [to, cc, bcc, [actor]] |> Enum.concat() |> Enum.uniq()
47 defp get_recipients(data) do
48 to = Map.get(data, "to", [])
49 cc = Map.get(data, "cc", [])
50 bcc = Map.get(data, "bcc", [])
51 recipients = Enum.concat([to, cc, bcc])
55 defp check_actor_is_active(nil), do: true
57 defp check_actor_is_active(actor) when is_binary(actor) do
58 case User.get_cached_by_ap_id(actor) do
59 %User{is_active: true} -> true
64 defp check_remote_limit(%{"object" => %{"content" => content}}) when not is_nil(content) do
65 limit = Config.get([:instance, :remote_limit])
66 String.length(content) <= limit
69 defp check_remote_limit(_), do: true
71 def increase_note_count_if_public(actor, object) do
72 if is_public?(object), do: User.increase_note_count(actor), else: {:ok, actor}
75 def decrease_note_count_if_public(actor, object) do
76 if is_public?(object), do: User.decrease_note_count(actor), else: {:ok, actor}
79 defp increase_replies_count_if_reply(%{
80 "object" => %{"inReplyTo" => reply_ap_id} = object,
83 if is_public?(object) do
84 Object.increase_replies_count(reply_ap_id)
88 defp increase_replies_count_if_reply(_create_data), do: :noop
90 @object_types ~w[ChatMessage Question Answer Audio Video Event Article]
92 def persist(%{"type" => type} = object, meta) when type in @object_types do
93 with {:ok, object} <- Object.create(object) do
99 def persist(object, meta) do
100 with local <- Keyword.fetch!(meta, :local),
101 {recipients, _, _} <- get_recipients(object),
103 Repo.insert(%Activity{
106 recipients: recipients,
107 actor: object["actor"]
109 # TODO: add tests for expired activities, when Note type will be supported in new pipeline
110 {:ok, _} <- maybe_create_activity_expiration(activity) do
111 {:ok, activity, meta}
115 @spec insert(map(), boolean(), boolean(), boolean()) :: {:ok, Activity.t()} | {:error, any()}
116 def insert(map, local \\ true, fake \\ false, bypass_actor_check \\ false) when is_map(map) do
117 with nil <- Activity.normalize(map),
118 map <- lazy_put_activity_defaults(map, fake),
119 {_, true} <- {:actor_check, bypass_actor_check || check_actor_is_active(map["actor"])},
120 {_, true} <- {:remote_limit_pass, check_remote_limit(map)},
121 {:ok, map} <- MRF.filter(map),
122 {recipients, _, _} = get_recipients(map),
123 {:fake, false, map, recipients} <- {:fake, fake, map, recipients},
124 {:containment, :ok} <- {:containment, Containment.contain_child(map)},
125 {:ok, map, object} <- insert_full_object(map),
126 {:ok, activity} <- insert_activity_with_expiration(map, local, recipients) do
127 # Splice in the child object if we have one.
128 activity = Maps.put_if_present(activity, :object, object)
130 ConcurrentLimiter.limit(Pleroma.Web.RichMedia.Helpers, fn ->
131 Task.start(fn -> Pleroma.Web.RichMedia.Helpers.fetch_data_for_activity(activity) end)
136 %Activity{} = activity ->
142 {:containment, _} = error ->
145 {:error, _} = error ->
148 {:fake, true, map, recipients} ->
149 activity = %Activity{
153 recipients: recipients,
157 Pleroma.Web.RichMedia.Helpers.fetch_data_for_activity(activity)
160 {:remote_limit_pass, _} ->
161 {:error, :remote_limit}
168 defp insert_activity_with_expiration(data, local, recipients) do
172 actor: data["actor"],
173 recipients: recipients
176 with {:ok, activity} <- Repo.insert(struct) do
177 maybe_create_activity_expiration(activity)
181 def notify_and_stream(activity) do
182 Notification.create_notifications(activity)
184 conversation = create_or_bump_conversation(activity, activity.actor)
185 participations = get_participations(conversation)
187 stream_out_participations(participations)
190 defp maybe_create_activity_expiration(
191 %{data: %{"expires_at" => %DateTime{} = expires_at}} = activity
194 Pleroma.Workers.PurgeExpiredActivity.enqueue(%{
195 activity_id: activity.id,
196 expires_at: expires_at
202 defp maybe_create_activity_expiration(activity), do: {:ok, activity}
204 defp create_or_bump_conversation(activity, actor) do
205 with {:ok, conversation} <- Conversation.create_or_bump_for(activity),
206 %User{} = user <- User.get_cached_by_ap_id(actor) do
207 Participation.mark_as_read(user, conversation)
212 defp get_participations({:ok, conversation}) do
214 |> Repo.preload(:participations, force: true)
215 |> Map.get(:participations)
218 defp get_participations(_), do: []
220 def stream_out_participations(participations) do
223 |> Repo.preload(:user)
225 Streamer.stream("participation", participations)
229 def stream_out_participations(%Object{data: %{"context" => context}}, user) do
230 with %Conversation{} = conversation <- Conversation.get_for_ap_id(context) do
231 conversation = Repo.preload(conversation, :participations)
234 fetch_latest_direct_activity_id_for_context(conversation.ap_id, %{
239 if last_activity_id do
240 stream_out_participations(conversation.participations)
246 def stream_out_participations(_, _), do: :noop
249 def stream_out(%Activity{data: %{"type" => data_type}} = activity)
250 when data_type in ["Create", "Announce", "Delete"] do
252 |> Topics.get_activity_topics()
253 |> Streamer.stream(activity)
257 def stream_out(_activity) do
261 @spec create(map(), boolean()) :: {:ok, Activity.t()} | {:error, any()}
262 def create(params, fake \\ false) do
263 with {:ok, result} <- Repo.transaction(fn -> do_create(params, fake) end) do
268 defp do_create(%{to: to, actor: actor, context: context, object: object} = params, fake) do
269 additional = params[:additional] || %{}
270 # only accept false as false value
271 local = !(params[:local] == false)
272 published = params[:published]
273 quick_insert? = Config.get([:env]) == :benchmark
277 %{to: to, actor: actor, published: published, context: context, object: object},
281 with {:ok, activity} <- insert(create_data, local, fake),
282 {:fake, false, activity} <- {:fake, fake, activity},
283 _ <- increase_replies_count_if_reply(create_data),
284 {:quick_insert, false, activity} <- {:quick_insert, quick_insert?, activity},
285 {:ok, _actor} <- increase_note_count_if_public(actor, activity),
286 _ <- notify_and_stream(activity),
287 :ok <- maybe_federate(activity) do
290 {:quick_insert, true, activity} ->
293 {:fake, true, activity} ->
297 Repo.rollback(message)
301 @spec listen(map()) :: {:ok, Activity.t()} | {:error, any()}
302 def listen(%{to: to, actor: actor, context: context, object: object} = params) do
303 additional = params[:additional] || %{}
304 # only accept false as false value
305 local = !(params[:local] == false)
306 published = params[:published]
310 %{to: to, actor: actor, published: published, context: context, object: object},
314 with {:ok, activity} <- insert(listen_data, local),
315 _ <- notify_and_stream(activity),
316 :ok <- maybe_federate(activity) do
321 @spec unfollow(User.t(), User.t(), String.t() | nil, boolean()) ::
322 {:ok, Activity.t()} | nil | {:error, any()}
323 def unfollow(follower, followed, activity_id \\ nil, local \\ true) do
324 with {:ok, result} <-
325 Repo.transaction(fn -> do_unfollow(follower, followed, activity_id, local) end) do
330 defp do_unfollow(follower, followed, activity_id, local) do
331 with %Activity{} = follow_activity <- fetch_latest_follow(follower, followed),
332 {:ok, follow_activity} <- update_follow_state(follow_activity, "cancelled"),
333 unfollow_data <- make_unfollow_data(follower, followed, follow_activity, activity_id),
334 {:ok, activity} <- insert(unfollow_data, local),
335 _ <- notify_and_stream(activity),
336 :ok <- maybe_federate(activity) do
340 {:error, error} -> Repo.rollback(error)
344 @spec flag(map()) :: {:ok, Activity.t()} | {:error, any()}
346 with {:ok, result} <- Repo.transaction(fn -> do_flag(params) end) do
360 # only accept false as false value
361 local = !(params[:local] == false)
362 forward = !(params[:forward] == false)
364 additional = params[:additional] || %{}
368 Map.merge(additional, %{"to" => [], "cc" => [account.ap_id]})
370 Map.merge(additional, %{"to" => [], "cc" => []})
373 with flag_data <- make_flag_data(params, additional),
374 {:ok, activity} <- insert(flag_data, local),
375 {:ok, stripped_activity} <- strip_report_status_data(activity),
376 _ <- notify_and_stream(activity),
378 maybe_federate(stripped_activity) do
379 User.all_superusers()
380 |> Enum.filter(fn user -> not is_nil(user.email) end)
381 |> Enum.each(fn superuser ->
383 |> Pleroma.Emails.AdminEmail.report(actor, account, statuses, content)
384 |> Pleroma.Emails.Mailer.deliver_async()
389 {:error, error} -> Repo.rollback(error)
393 @spec move(User.t(), User.t(), boolean()) :: {:ok, Activity.t()} | {:error, any()}
394 def move(%User{} = origin, %User{} = target, local \\ true) do
397 "actor" => origin.ap_id,
398 "object" => origin.ap_id,
399 "target" => target.ap_id
402 with true <- origin.ap_id in target.also_known_as,
403 {:ok, activity} <- insert(params, local),
404 _ <- notify_and_stream(activity) do
405 maybe_federate(activity)
407 BackgroundWorker.enqueue("move_following", %{
408 "origin_id" => origin.id,
409 "target_id" => target.id
414 false -> {:error, "Target account must have the origin in `alsoKnownAs`"}
419 def fetch_activities_for_context_query(context, opts) do
420 public = [Constants.as_public()]
424 do: [opts[:user].ap_id | User.following(opts[:user])] ++ public,
427 from(activity in Activity)
428 |> maybe_preload_objects(opts)
429 |> maybe_preload_bookmarks(opts)
430 |> maybe_set_thread_muted_field(opts)
431 |> restrict_blocked(opts)
432 |> restrict_recipients(recipients, opts[:user])
433 |> restrict_filtered(opts)
437 "?->>'type' = ? and ?->>'context' = ?",
444 |> exclude_poll_votes(opts)
446 |> order_by([activity], desc: activity.id)
449 @spec fetch_activities_for_context(String.t(), keyword() | map()) :: [Activity.t()]
450 def fetch_activities_for_context(context, opts \\ %{}) do
452 |> fetch_activities_for_context_query(opts)
456 @spec fetch_latest_direct_activity_id_for_context(String.t(), keyword() | map()) ::
457 FlakeId.Ecto.CompatType.t() | nil
458 def fetch_latest_direct_activity_id_for_context(context, opts \\ %{}) do
460 |> fetch_activities_for_context_query(Map.merge(%{skip_preload: true}, opts))
461 |> restrict_visibility(%{visibility: "direct"})
467 @spec fetch_public_or_unlisted_activities(map(), Pagination.type()) :: [Activity.t()]
468 def fetch_public_or_unlisted_activities(opts \\ %{}, pagination \\ :keyset) do
469 opts = Map.delete(opts, :user)
471 [Constants.as_public()]
472 |> fetch_activities_query(opts)
473 |> restrict_unlisted(opts)
474 |> Pagination.fetch_paginated(opts, pagination)
477 @spec fetch_public_activities(map(), Pagination.type()) :: [Activity.t()]
478 def fetch_public_activities(opts \\ %{}, pagination \\ :keyset) do
480 |> Map.put(:restrict_unlisted, true)
481 |> fetch_public_or_unlisted_activities(pagination)
484 @valid_visibilities ~w[direct unlisted public private]
486 defp restrict_visibility(query, %{visibility: visibility})
487 when is_list(visibility) do
488 if Enum.all?(visibility, &(&1 in @valid_visibilities)) do
493 "activity_visibility(?, ?, ?) = ANY (?)",
501 Logger.error("Could not restrict visibility to #{visibility}")
505 defp restrict_visibility(query, %{visibility: visibility})
506 when visibility in @valid_visibilities do
510 fragment("activity_visibility(?, ?, ?) = ?", a.actor, a.recipients, a.data, ^visibility)
514 defp restrict_visibility(_query, %{visibility: visibility})
515 when visibility not in @valid_visibilities do
516 Logger.error("Could not restrict visibility to #{visibility}")
519 defp restrict_visibility(query, _visibility), do: query
521 defp exclude_visibility(query, %{exclude_visibilities: visibility})
522 when is_list(visibility) do
523 if Enum.all?(visibility, &(&1 in @valid_visibilities)) do
528 "activity_visibility(?, ?, ?) = ANY (?)",
536 Logger.error("Could not exclude visibility to #{visibility}")
541 defp exclude_visibility(query, %{exclude_visibilities: visibility})
542 when visibility in @valid_visibilities do
547 "activity_visibility(?, ?, ?) = ?",
556 defp exclude_visibility(query, %{exclude_visibilities: visibility})
557 when visibility not in [nil | @valid_visibilities] do
558 Logger.error("Could not exclude visibility to #{visibility}")
562 defp exclude_visibility(query, _visibility), do: query
564 defp restrict_thread_visibility(query, _, %{skip_thread_containment: true} = _),
567 defp restrict_thread_visibility(query, %{user: %User{skip_thread_containment: true}}, _),
570 defp restrict_thread_visibility(query, %{user: %User{ap_id: ap_id}}, _) do
573 where: fragment("thread_visibility(?, (?)->>'id') = true", ^ap_id, a.data)
577 defp restrict_thread_visibility(query, _, _), do: query
579 def fetch_user_abstract_activities(user, reading_user, params \\ %{}) do
582 |> Map.put(:user, reading_user)
583 |> Map.put(:actor_id, user.ap_id)
586 godmode: params[:godmode],
587 reading_user: reading_user
589 |> user_activities_recipients()
590 |> fetch_activities(params)
594 def fetch_user_activities(user, reading_user, params \\ %{}) do
597 |> Map.put(:type, ["Create", "Announce"])
598 |> Map.put(:user, reading_user)
599 |> Map.put(:actor_id, user.ap_id)
600 |> Map.put(:pinned_activity_ids, user.pinned_activities)
603 if User.blocks?(reading_user, user) do
607 |> Map.put(:blocking_user, reading_user)
608 |> Map.put(:muting_user, reading_user)
611 pagination_type = Map.get(params, :pagination_type) || :keyset
614 godmode: params[:godmode],
615 reading_user: reading_user
617 |> user_activities_recipients()
618 |> fetch_activities(params, pagination_type)
622 def fetch_statuses(reading_user, params) do
623 params = Map.put(params, :type, ["Create", "Announce"])
626 godmode: params[:godmode],
627 reading_user: reading_user
629 |> user_activities_recipients()
630 |> fetch_activities(params, :offset)
634 defp user_activities_recipients(%{godmode: true}), do: []
636 defp user_activities_recipients(%{reading_user: reading_user}) do
638 [Constants.as_public(), reading_user.ap_id | User.following(reading_user)]
640 [Constants.as_public()]
644 defp restrict_announce_object_actor(_query, %{announce_filtering_user: _, skip_preload: true}) do
645 raise "Can't use the child object without preloading!"
648 defp restrict_announce_object_actor(query, %{announce_filtering_user: %{ap_id: actor}}) do
650 [activity, object] in query,
653 "?->>'type' != ? or ?->>'actor' != ?",
662 defp restrict_announce_object_actor(query, _), do: query
664 defp restrict_since(query, %{since_id: ""}), do: query
666 defp restrict_since(query, %{since_id: since_id}) do
667 from(activity in query, where: activity.id > ^since_id)
670 defp restrict_since(query, _), do: query
672 defp restrict_embedded_tag_reject(_query, %{tag_reject: _tag_reject, skip_preload: true}) do
673 raise_on_missing_preload()
676 defp restrict_embedded_tag_reject(query, %{tag_reject: tag_reject}) when is_list(tag_reject) do
678 [_activity, object] in query,
679 where: fragment("not (?)->'tag' \\?| (?)", object.data, ^tag_reject)
683 defp restrict_embedded_tag_reject(query, %{tag_reject: tag_reject})
684 when is_binary(tag_reject) do
685 restrict_embedded_tag_reject(query, %{tag_reject: [tag_reject]})
688 defp restrict_embedded_tag_reject(query, _), do: query
690 defp restrict_embedded_tag_all(_query, %{tag_all: _tag_all, skip_preload: true}) do
691 raise_on_missing_preload()
694 defp restrict_embedded_tag_all(query, %{tag_all: tag_all}) when is_list(tag_all) do
696 [_activity, object] in query,
697 where: fragment("(?)->'tag' \\?& (?)", object.data, ^tag_all)
701 defp restrict_embedded_tag_all(query, %{tag_all: tag}) when is_binary(tag) do
702 restrict_embedded_tag(query, %{tag: tag})
705 defp restrict_embedded_tag_all(query, _), do: query
707 defp restrict_embedded_tag(_query, %{tag: _tag, skip_preload: true}) do
708 raise_on_missing_preload()
711 defp restrict_embedded_tag(query, %{tag: tag}) when is_list(tag) do
713 [_activity, object] in query,
714 where: fragment("(?)->'tag' \\?| (?)", object.data, ^tag)
718 defp restrict_embedded_tag(query, %{tag: tag}) when is_binary(tag) do
719 restrict_embedded_tag(query, %{tag: [tag]})
722 defp restrict_embedded_tag(query, _), do: query
724 defp hashtag_conditions(opts) do
725 [:tag, :tag_all, :tag_reject]
726 |> Enum.map(&opts[&1])
727 |> Enum.map(&List.wrap(&1))
730 # Note: times out on larger instances (with default timeout), intended for complex queries
731 defp restrict_hashtag_agg(query, opts) do
732 [tag_any, tag_all, tag_reject] = hashtag_conditions(opts)
733 has_conditions = Enum.any?([tag_any, tag_all, tag_reject], &Enum.any?(&1))
739 opts[:skip_preload] ->
740 raise_on_missing_preload()
744 |> group_by_all_bindings()
745 |> join(:left, [_activity, object], hashtag in assoc(object, :hashtags), as: :hashtag)
746 |> maybe_restrict_hashtag_any(tag_any)
747 |> maybe_restrict_hashtag_all(tag_all)
748 |> maybe_restrict_hashtag_reject_any(tag_reject)
752 # Groups by all bindings to allow aggregation on hashtags
753 defp group_by_all_bindings(query) do
754 # Expecting named bindings: :object, :bookmark, :thread_mute, :report_note
756 Enum.count(query.aliases) == 4 ->
757 from([a, o, b3, b4, b5] in query, group_by: [a.id, o.id, b3.id, b4.id, b5.id])
759 Enum.count(query.aliases) == 3 ->
760 from([a, o, b3, b4] in query, group_by: [a.id, o.id, b3.id, b4.id])
762 Enum.count(query.aliases) == 2 ->
763 from([a, o, b3] in query, group_by: [a.id, o.id, b3.id])
766 from([a, o] in query, group_by: [a.id, o.id])
770 defp maybe_restrict_hashtag_any(query, []) do
774 defp maybe_restrict_hashtag_any(query, tags) do
778 fragment("array_agg(?) && (?)", hashtag.name, ^tags)
782 defp maybe_restrict_hashtag_all(query, []) do
786 defp maybe_restrict_hashtag_all(query, tags) do
790 fragment("array_agg(?) @> (?)", hashtag.name, ^tags)
794 defp maybe_restrict_hashtag_reject_any(query, []) do
798 defp maybe_restrict_hashtag_reject_any(query, tags) do
802 fragment("not(array_agg(?) && (?))", hashtag.name, ^tags)
806 defp restrict_hashtag_reject_any(_query, %{tag_reject: _tag_reject, skip_preload: true}) do
807 raise_on_missing_preload()
810 defp restrict_hashtag_reject_any(query, %{tag_reject: tags_reject}) when is_list(tags_reject) do
812 |> group_by_all_bindings()
813 |> join(:left, [_activity, object], hashtag in assoc(object, :hashtags), as: :hashtag)
816 fragment("not(array_agg(?) && (?))", hashtag.name, ^tags_reject)
820 defp restrict_hashtag_reject_any(query, %{tag_reject: tag_reject}) when is_binary(tag_reject) do
821 restrict_hashtag_reject_any(query, %{tag_reject: [tag_reject]})
824 defp restrict_hashtag_reject_any(query, _), do: query
826 defp restrict_hashtag_all(_query, %{tag_all: _tag, skip_preload: true}) do
827 raise_on_missing_preload()
830 defp restrict_hashtag_all(query, %{tag_all: tags}) when is_list(tags) do
834 fn tag, acc -> restrict_hashtag_any(acc, %{tag: tag}) end
838 defp restrict_hashtag_all(query, %{tag_all: tag}) when is_binary(tag) do
839 restrict_hashtag_any(query, %{tag: tag})
842 defp restrict_hashtag_all(query, _), do: query
844 defp restrict_hashtag_any(_query, %{tag: _tag, skip_preload: true}) do
845 raise_on_missing_preload()
848 defp restrict_hashtag_any(query, %{tag: tags}) when is_list(tags) do
850 [_activity, object] in query,
851 join: hashtag in assoc(object, :hashtags),
852 where: hashtag.name in ^tags
856 defp restrict_hashtag_any(query, %{tag: tag}) when is_binary(tag) do
857 restrict_hashtag_any(query, %{tag: [tag]})
860 defp restrict_hashtag_any(query, _), do: query
862 defp raise_on_missing_preload do
863 raise "Can't use the child object without preloading!"
866 defp restrict_recipients(query, [], _user), do: query
868 defp restrict_recipients(query, recipients, nil) do
869 from(activity in query, where: fragment("? && ?", ^recipients, activity.recipients))
872 defp restrict_recipients(query, recipients, user) do
875 where: fragment("? && ?", ^recipients, activity.recipients),
876 or_where: activity.actor == ^user.ap_id
880 defp restrict_local(query, %{local_only: true}) do
881 from(activity in query, where: activity.local == true)
884 defp restrict_local(query, _), do: query
886 defp restrict_actor(query, %{actor_id: actor_id}) do
887 from(activity in query, where: activity.actor == ^actor_id)
890 defp restrict_actor(query, _), do: query
892 defp restrict_type(query, %{type: type}) when is_binary(type) do
893 from(activity in query, where: fragment("?->>'type' = ?", activity.data, ^type))
896 defp restrict_type(query, %{type: type}) do
897 from(activity in query, where: fragment("?->>'type' = ANY(?)", activity.data, ^type))
900 defp restrict_type(query, _), do: query
902 defp restrict_state(query, %{state: state}) do
903 from(activity in query, where: fragment("?->>'state' = ?", activity.data, ^state))
906 defp restrict_state(query, _), do: query
908 defp restrict_favorited_by(query, %{favorited_by: ap_id}) do
910 [_activity, object] in query,
911 where: fragment("(?)->'likes' \\? (?)", object.data, ^ap_id)
915 defp restrict_favorited_by(query, _), do: query
917 defp restrict_media(_query, %{only_media: _val, skip_preload: true}) do
918 raise "Can't use the child object without preloading!"
921 defp restrict_media(query, %{only_media: true}) do
923 [activity, object] in query,
924 where: fragment("(?)->>'type' = ?", activity.data, "Create"),
925 where: fragment("not (?)->'attachment' = (?)", object.data, ^[])
929 defp restrict_media(query, _), do: query
931 defp restrict_replies(query, %{exclude_replies: true}) do
933 [_activity, object] in query,
934 where: fragment("?->>'inReplyTo' is null", object.data)
938 defp restrict_replies(query, %{
939 reply_filtering_user: %User{} = user,
940 reply_visibility: "self"
943 [activity, object] in query,
946 "?->>'inReplyTo' is null OR ? = ANY(?)",
954 defp restrict_replies(query, %{
955 reply_filtering_user: %User{} = user,
956 reply_visibility: "following"
959 [activity, object] in query,
963 ?->>'type' != 'Create' -- This isn't a Create
964 OR ?->>'inReplyTo' is null -- this isn't a reply
965 OR ? && array_remove(?, ?) -- The recipient is us or one of our friends,
966 -- unless they are the author (because authors
967 -- are also part of the recipients). This leads
968 -- to a bug that self-replies by friends won't
970 OR ? = ? -- The actor is us
974 ^[user.ap_id | User.get_cached_user_friends_ap_ids(user)],
983 defp restrict_replies(query, _), do: query
985 defp restrict_reblogs(query, %{exclude_reblogs: true}) do
986 from(activity in query, where: fragment("?->>'type' != 'Announce'", activity.data))
989 defp restrict_reblogs(query, _), do: query
991 defp restrict_muted(query, %{with_muted: true}), do: query
993 defp restrict_muted(query, %{muting_user: %User{} = user} = opts) do
994 mutes = opts[:muted_users_ap_ids] || User.muted_users_ap_ids(user)
997 from([activity] in query,
998 where: fragment("not (? = ANY(?))", activity.actor, ^mutes),
1001 "not (?->'to' \\?| ?) or ? = ?",
1009 unless opts[:skip_preload] do
1010 from([thread_mute: tm] in query, where: is_nil(tm.user_id))
1016 defp restrict_muted(query, _), do: query
1018 defp restrict_blocked(query, %{blocking_user: %User{} = user} = opts) do
1019 blocked_ap_ids = opts[:blocked_users_ap_ids] || User.blocked_users_ap_ids(user)
1020 domain_blocks = user.domain_blocks || []
1022 following_ap_ids = User.get_friends_ap_ids(user)
1025 if has_named_binding?(query, :object), do: query, else: Activity.with_joined_object(query)
1028 [activity, object: o] in query,
1029 where: fragment("not (? = ANY(?))", activity.actor, ^blocked_ap_ids),
1032 "((not (? && ?)) or ? = ?)",
1033 activity.recipients,
1040 "recipients_contain_blocked_domains(?, ?) = false",
1041 activity.recipients,
1046 "not (?->>'type' = 'Announce' and ?->'to' \\?| ?)",
1053 "(not (split_part(?, '/', 3) = ANY(?))) or ? = ANY(?)",
1061 "(not (split_part(?->>'actor', '/', 3) = ANY(?))) or (?->>'actor') = ANY(?)",
1070 defp restrict_blocked(query, _), do: query
1072 defp restrict_unlisted(query, %{restrict_unlisted: true}) do
1077 "not (coalesce(?->'cc', '{}'::jsonb) \\?| ?)",
1079 ^[Constants.as_public()]
1084 defp restrict_unlisted(query, _), do: query
1086 defp restrict_pinned(query, %{pinned: true, pinned_activity_ids: ids}) do
1087 from(activity in query, where: activity.id in ^ids)
1090 defp restrict_pinned(query, _), do: query
1092 defp restrict_muted_reblogs(query, %{muting_user: %User{} = user} = opts) do
1093 muted_reblogs = opts[:reblog_muted_users_ap_ids] || User.reblog_muted_users_ap_ids(user)
1099 "not ( ?->>'type' = 'Announce' and ? = ANY(?))",
1107 defp restrict_muted_reblogs(query, _), do: query
1109 defp restrict_instance(query, %{instance: instance}) when is_binary(instance) do
1112 where: fragment("split_part(actor::text, '/'::text, 3) = ?", ^instance)
1116 defp restrict_instance(query, _), do: query
1118 defp restrict_filtered(query, %{user: %User{} = user}) do
1119 case Filter.compose_regex(user) do
1124 from([activity, object] in query,
1126 fragment("not(?->>'content' ~* ?)", object.data, ^regex) or
1127 activity.actor == ^user.ap_id
1132 defp restrict_filtered(query, %{blocking_user: %User{} = user}) do
1133 restrict_filtered(query, %{user: user})
1136 defp restrict_filtered(query, _), do: query
1138 defp exclude_poll_votes(query, %{include_poll_votes: true}), do: query
1140 defp exclude_poll_votes(query, _) do
1141 if has_named_binding?(query, :object) do
1142 from([activity, object: o] in query,
1143 where: fragment("not(?->>'type' = ?)", o.data, "Answer")
1150 defp exclude_chat_messages(query, %{include_chat_messages: true}), do: query
1152 defp exclude_chat_messages(query, _) do
1153 if has_named_binding?(query, :object) do
1154 from([activity, object: o] in query,
1155 where: fragment("not(?->>'type' = ?)", o.data, "ChatMessage")
1162 defp exclude_invisible_actors(query, %{invisible_actors: true}), do: query
1164 defp exclude_invisible_actors(query, _opts) do
1166 User.Query.build(%{invisible: true, select: [:ap_id]})
1168 |> Enum.map(fn %{ap_id: ap_id} -> ap_id end)
1170 from([activity] in query, where: activity.actor not in ^invisible_ap_ids)
1173 defp exclude_id(query, %{exclude_id: id}) when is_binary(id) do
1174 from(activity in query, where: activity.id != ^id)
1177 defp exclude_id(query, _), do: query
1179 defp maybe_preload_objects(query, %{skip_preload: true}), do: query
1181 defp maybe_preload_objects(query, _) do
1183 |> Activity.with_preloaded_object()
1186 defp maybe_preload_bookmarks(query, %{skip_preload: true}), do: query
1188 defp maybe_preload_bookmarks(query, opts) do
1190 |> Activity.with_preloaded_bookmark(opts[:user])
1193 defp maybe_preload_report_notes(query, %{preload_report_notes: true}) do
1195 |> Activity.with_preloaded_report_notes()
1198 defp maybe_preload_report_notes(query, _), do: query
1200 defp maybe_set_thread_muted_field(query, %{skip_preload: true}), do: query
1202 defp maybe_set_thread_muted_field(query, opts) do
1204 |> Activity.with_set_thread_muted_field(opts[:muting_user] || opts[:user])
1207 defp maybe_order(query, %{order: :desc}) do
1209 |> order_by(desc: :id)
1212 defp maybe_order(query, %{order: :asc}) do
1214 |> order_by(asc: :id)
1217 defp maybe_order(query, _), do: query
1219 defp fetch_activities_query_ap_ids_ops(opts) do
1220 source_user = opts[:muting_user]
1221 ap_id_relationships = if source_user, do: [:mute, :reblog_mute], else: []
1223 ap_id_relationships =
1224 if opts[:blocking_user] && opts[:blocking_user] == source_user do
1225 [:block | ap_id_relationships]
1230 preloaded_ap_ids = User.outgoing_relationships_ap_ids(source_user, ap_id_relationships)
1232 restrict_blocked_opts = Map.merge(%{blocked_users_ap_ids: preloaded_ap_ids[:block]}, opts)
1233 restrict_muted_opts = Map.merge(%{muted_users_ap_ids: preloaded_ap_ids[:mute]}, opts)
1235 restrict_muted_reblogs_opts =
1236 Map.merge(%{reblog_muted_users_ap_ids: preloaded_ap_ids[:reblog_mute]}, opts)
1238 {restrict_blocked_opts, restrict_muted_opts, restrict_muted_reblogs_opts}
1241 def fetch_activities_query(recipients, opts \\ %{}) do
1242 {restrict_blocked_opts, restrict_muted_opts, restrict_muted_reblogs_opts} =
1243 fetch_activities_query_ap_ids_ops(opts)
1246 skip_thread_containment: Config.get([:instance, :skip_thread_containment])
1251 |> maybe_preload_objects(opts)
1252 |> maybe_preload_bookmarks(opts)
1253 |> maybe_preload_report_notes(opts)
1254 |> maybe_set_thread_muted_field(opts)
1255 |> maybe_order(opts)
1256 |> restrict_recipients(recipients, opts[:user])
1257 |> restrict_replies(opts)
1258 |> restrict_since(opts)
1259 |> restrict_local(opts)
1260 |> restrict_actor(opts)
1261 |> restrict_type(opts)
1262 |> restrict_state(opts)
1263 |> restrict_favorited_by(opts)
1264 |> restrict_blocked(restrict_blocked_opts)
1265 |> restrict_muted(restrict_muted_opts)
1266 |> restrict_filtered(opts)
1267 |> restrict_media(opts)
1268 |> restrict_visibility(opts)
1269 |> restrict_thread_visibility(opts, config)
1270 |> restrict_reblogs(opts)
1271 |> restrict_pinned(opts)
1272 |> restrict_muted_reblogs(restrict_muted_reblogs_opts)
1273 |> restrict_instance(opts)
1274 |> restrict_announce_object_actor(opts)
1275 |> restrict_filtered(opts)
1276 |> Activity.restrict_deactivated_users()
1277 |> exclude_poll_votes(opts)
1278 |> exclude_chat_messages(opts)
1279 |> exclude_invisible_actors(opts)
1280 |> exclude_visibility(opts)
1282 hashtag_timeline_strategy = Config.improved_hashtag_timeline()
1285 !hashtag_timeline_strategy ->
1287 |> restrict_embedded_tag(opts)
1288 |> restrict_embedded_tag_reject(opts)
1289 |> restrict_embedded_tag_all(opts)
1291 hashtag_timeline_strategy == :prefer_aggregation ->
1292 restrict_hashtag_agg(query, opts)
1296 |> restrict_hashtag_any(opts)
1297 |> restrict_hashtag_all(opts)
1298 |> restrict_hashtag_reject_any(opts)
1302 def fetch_activities(recipients, opts \\ %{}, pagination \\ :keyset) do
1303 list_memberships = Pleroma.List.memberships(opts[:user])
1305 fetch_activities_query(recipients ++ list_memberships, opts)
1306 |> Pagination.fetch_paginated(opts, pagination)
1308 |> maybe_update_cc(list_memberships, opts[:user])
1312 Fetch favorites activities of user with order by sort adds to favorites
1314 @spec fetch_favourites(User.t(), map(), Pagination.type()) :: list(Activity.t())
1315 def fetch_favourites(user, params \\ %{}, pagination \\ :keyset) do
1317 |> Activity.Queries.by_actor()
1318 |> Activity.Queries.by_type("Like")
1319 |> Activity.with_joined_object()
1320 |> Object.with_joined_activity()
1321 |> select([like, object, activity], %{activity | object: object, pagination_id: like.id})
1322 |> order_by([like, _, _], desc_nulls_last: like.id)
1323 |> Pagination.fetch_paginated(
1324 Map.merge(params, %{skip_order: true}),
1329 defp maybe_update_cc(activities, [_ | _] = list_memberships, %User{ap_id: user_ap_id}) do
1330 Enum.map(activities, fn
1331 %{data: %{"bcc" => [_ | _] = bcc}} = activity ->
1332 if Enum.any?(bcc, &(&1 in list_memberships)) do
1333 update_in(activity.data["cc"], &[user_ap_id | &1])
1343 defp maybe_update_cc(activities, _, _), do: activities
1345 defp fetch_activities_bounded_query(query, recipients, recipients_with_public) do
1346 from(activity in query,
1348 fragment("? && ?", activity.recipients, ^recipients) or
1349 (fragment("? && ?", activity.recipients, ^recipients_with_public) and
1350 ^Constants.as_public() in activity.recipients)
1354 def fetch_activities_bounded(
1356 recipients_with_public,
1358 pagination \\ :keyset
1360 fetch_activities_query([], opts)
1361 |> fetch_activities_bounded_query(recipients, recipients_with_public)
1362 |> Pagination.fetch_paginated(opts, pagination)
1366 @spec upload(Upload.source(), keyword()) :: {:ok, Object.t()} | {:error, any()}
1367 def upload(file, opts \\ []) do
1368 with {:ok, data} <- Upload.store(file, opts) do
1369 obj_data = Maps.put_if_present(data, "actor", opts[:actor])
1371 Repo.insert(%Object{data: obj_data})
1375 @spec get_actor_url(any()) :: binary() | nil
1376 defp get_actor_url(url) when is_binary(url), do: url
1377 defp get_actor_url(%{"href" => href}) when is_binary(href), do: href
1379 defp get_actor_url(url) when is_list(url) do
1385 defp get_actor_url(_url), do: nil
1387 defp object_to_user_data(data) do
1389 data["icon"]["url"] &&
1392 "url" => [%{"href" => data["icon"]["url"]}]
1396 data["image"]["url"] &&
1399 "url" => [%{"href" => data["image"]["url"]}]
1404 |> Map.get("attachment", [])
1405 |> Enum.filter(fn %{"type" => t} -> t == "PropertyValue" end)
1406 |> Enum.map(fn fields -> Map.take(fields, ["name", "value"]) end)
1410 |> Map.get("tag", [])
1412 %{"type" => "Emoji"} -> true
1415 |> Map.new(fn %{"icon" => %{"url" => url}, "name" => name} ->
1416 {String.trim(name, ":"), url}
1419 is_locked = data["manuallyApprovesFollowers"] || false
1420 capabilities = data["capabilities"] || %{}
1421 accepts_chat_messages = capabilities["acceptsChatMessages"]
1422 data = Transmogrifier.maybe_fix_user_object(data)
1423 is_discoverable = data["discoverable"] || false
1424 invisible = data["invisible"] || false
1425 actor_type = data["type"] || "Person"
1428 if is_map(data["publicKey"]) && is_binary(data["publicKey"]["publicKeyPem"]) do
1429 data["publicKey"]["publicKeyPem"]
1435 if is_map(data["endpoints"]) && is_binary(data["endpoints"]["sharedInbox"]) do
1436 data["endpoints"]["sharedInbox"]
1443 uri: get_actor_url(data["url"]),
1448 is_locked: is_locked,
1449 is_discoverable: is_discoverable,
1450 invisible: invisible,
1453 follower_address: data["followers"],
1454 following_address: data["following"],
1455 bio: data["summary"] || "",
1456 actor_type: actor_type,
1457 also_known_as: Map.get(data, "alsoKnownAs", []),
1458 public_key: public_key,
1459 inbox: data["inbox"],
1460 shared_inbox: shared_inbox,
1461 accepts_chat_messages: accepts_chat_messages
1464 # nickname can be nil because of virtual actors
1465 if data["preferredUsername"] do
1469 "#{data["preferredUsername"]}@#{URI.parse(data["id"]).host}"
1472 Map.put(user_data, :nickname, nil)
1476 def fetch_follow_information_for_user(user) do
1477 with {:ok, following_data} <-
1478 Fetcher.fetch_and_contain_remote_object_from_id(user.following_address),
1479 {:ok, hide_follows} <- collection_private(following_data),
1480 {:ok, followers_data} <-
1481 Fetcher.fetch_and_contain_remote_object_from_id(user.follower_address),
1482 {:ok, hide_followers} <- collection_private(followers_data) do
1485 hide_follows: hide_follows,
1486 follower_count: normalize_counter(followers_data["totalItems"]),
1487 following_count: normalize_counter(following_data["totalItems"]),
1488 hide_followers: hide_followers
1491 {:error, _} = e -> e
1496 defp normalize_counter(counter) when is_integer(counter), do: counter
1497 defp normalize_counter(_), do: 0
1499 def maybe_update_follow_information(user_data) do
1500 with {:enabled, true} <- {:enabled, Config.get([:instance, :external_user_synchronization])},
1501 {_, true} <- {:user_type_check, user_data[:type] in ["Person", "Service"]},
1503 {:collections_available,
1504 !!(user_data[:following_address] && user_data[:follower_address])},
1506 fetch_follow_information_for_user(user_data) do
1507 info = Map.merge(user_data[:info] || %{}, info)
1510 |> Map.put(:info, info)
1512 {:user_type_check, false} ->
1515 {:collections_available, false} ->
1518 {:enabled, false} ->
1523 "Follower/Following counter update for #{user_data.ap_id} failed.\n" <> inspect(e)
1530 defp collection_private(%{"first" => %{"type" => type}})
1531 when type in ["CollectionPage", "OrderedCollectionPage"],
1534 defp collection_private(%{"first" => first}) do
1535 with {:ok, %{"type" => type}} when type in ["CollectionPage", "OrderedCollectionPage"] <-
1536 Fetcher.fetch_and_contain_remote_object_from_id(first) do
1539 {:error, {:ok, %{status: code}}} when code in [401, 403] -> {:ok, true}
1540 {:error, _} = e -> e
1545 defp collection_private(_data), do: {:ok, true}
1547 def user_data_from_user_object(data) do
1548 with {:ok, data} <- MRF.filter(data) do
1549 {:ok, object_to_user_data(data)}
1555 def fetch_and_prepare_user_from_ap_id(ap_id) do
1556 with {:ok, data} <- Fetcher.fetch_and_contain_remote_object_from_id(ap_id),
1557 {:ok, data} <- user_data_from_user_object(data) do
1558 {:ok, maybe_update_follow_information(data)}
1560 # If this has been deleted, only log a debug and not an error
1561 {:error, "Object has been deleted" = e} ->
1562 Logger.debug("Could not decode user at fetch #{ap_id}, #{inspect(e)}")
1565 {:error, {:reject, reason} = e} ->
1566 Logger.info("Rejected user #{ap_id}: #{inspect(reason)}")
1570 Logger.error("Could not decode user at fetch #{ap_id}, #{inspect(e)}")
1575 def maybe_handle_clashing_nickname(data) do
1576 with nickname when is_binary(nickname) <- data[:nickname],
1577 %User{} = old_user <- User.get_by_nickname(nickname),
1578 {_, false} <- {:ap_id_comparison, data[:ap_id] == old_user.ap_id} do
1580 "Found an old user for #{nickname}, the old ap id is #{old_user.ap_id}, new one is #{
1586 |> User.remote_user_changeset(%{nickname: "#{old_user.id}.#{old_user.nickname}"})
1587 |> User.update_and_set_cache()
1589 {:ap_id_comparison, true} ->
1591 "Found an old user for #{data[:nickname]}, but the ap id #{data[:ap_id]} is the same as the new user. Race condition? Not changing anything."
1599 def make_user_from_ap_id(ap_id) do
1600 user = User.get_cached_by_ap_id(ap_id)
1602 if user && !User.ap_enabled?(user) do
1603 Transmogrifier.upgrade_user_from_ap_id(ap_id)
1605 with {:ok, data} <- fetch_and_prepare_user_from_ap_id(ap_id) do
1608 |> User.remote_user_changeset(data)
1609 |> User.update_and_set_cache()
1611 maybe_handle_clashing_nickname(data)
1614 |> User.remote_user_changeset()
1622 def make_user_from_nickname(nickname) do
1623 with {:ok, %{"ap_id" => ap_id}} when not is_nil(ap_id) <- WebFinger.finger(nickname) do
1624 make_user_from_ap_id(ap_id)
1626 _e -> {:error, "No AP id in WebFinger"}
1630 # filter out broken threads
1631 defp contain_broken_threads(%Activity{} = activity, %User{} = user) do
1632 entire_thread_visible_for_user?(activity, user)
1635 # do post-processing on a specific activity
1636 def contain_activity(%Activity{} = activity, %User{} = user) do
1637 contain_broken_threads(activity, user)
1640 def fetch_direct_messages_query do
1642 |> restrict_type(%{type: "Create"})
1643 |> restrict_visibility(%{visibility: "direct"})
1644 |> order_by([activity], asc: activity.id)