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{deactivated: deactivated} -> not deactivated
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 |> distinct([activity], true)
1297 |> restrict_hashtag_any(opts)
1298 |> restrict_hashtag_all(opts)
1299 |> restrict_hashtag_reject_any(opts)
1303 def fetch_activities(recipients, opts \\ %{}, pagination \\ :keyset) do
1304 list_memberships = Pleroma.List.memberships(opts[:user])
1306 fetch_activities_query(recipients ++ list_memberships, opts)
1307 |> Pagination.fetch_paginated(opts, pagination)
1309 |> maybe_update_cc(list_memberships, opts[:user])
1313 Fetch favorites activities of user with order by sort adds to favorites
1315 @spec fetch_favourites(User.t(), map(), Pagination.type()) :: list(Activity.t())
1316 def fetch_favourites(user, params \\ %{}, pagination \\ :keyset) do
1318 |> Activity.Queries.by_actor()
1319 |> Activity.Queries.by_type("Like")
1320 |> Activity.with_joined_object()
1321 |> Object.with_joined_activity()
1322 |> select([like, object, activity], %{activity | object: object, pagination_id: like.id})
1323 |> order_by([like, _, _], desc_nulls_last: like.id)
1324 |> Pagination.fetch_paginated(
1325 Map.merge(params, %{skip_order: true}),
1330 defp maybe_update_cc(activities, [_ | _] = list_memberships, %User{ap_id: user_ap_id}) do
1331 Enum.map(activities, fn
1332 %{data: %{"bcc" => [_ | _] = bcc}} = activity ->
1333 if Enum.any?(bcc, &(&1 in list_memberships)) do
1334 update_in(activity.data["cc"], &[user_ap_id | &1])
1344 defp maybe_update_cc(activities, _, _), do: activities
1346 defp fetch_activities_bounded_query(query, recipients, recipients_with_public) do
1347 from(activity in query,
1349 fragment("? && ?", activity.recipients, ^recipients) or
1350 (fragment("? && ?", activity.recipients, ^recipients_with_public) and
1351 ^Constants.as_public() in activity.recipients)
1355 def fetch_activities_bounded(
1357 recipients_with_public,
1359 pagination \\ :keyset
1361 fetch_activities_query([], opts)
1362 |> fetch_activities_bounded_query(recipients, recipients_with_public)
1363 |> Pagination.fetch_paginated(opts, pagination)
1367 @spec upload(Upload.source(), keyword()) :: {:ok, Object.t()} | {:error, any()}
1368 def upload(file, opts \\ []) do
1369 with {:ok, data} <- Upload.store(file, opts) do
1370 obj_data = Maps.put_if_present(data, "actor", opts[:actor])
1372 Repo.insert(%Object{data: obj_data})
1376 @spec get_actor_url(any()) :: binary() | nil
1377 defp get_actor_url(url) when is_binary(url), do: url
1378 defp get_actor_url(%{"href" => href}) when is_binary(href), do: href
1380 defp get_actor_url(url) when is_list(url) do
1386 defp get_actor_url(_url), do: nil
1388 defp object_to_user_data(data) do
1390 data["icon"]["url"] &&
1393 "url" => [%{"href" => data["icon"]["url"]}]
1397 data["image"]["url"] &&
1400 "url" => [%{"href" => data["image"]["url"]}]
1405 |> Map.get("attachment", [])
1406 |> Enum.filter(fn %{"type" => t} -> t == "PropertyValue" end)
1407 |> Enum.map(fn fields -> Map.take(fields, ["name", "value"]) end)
1411 |> Map.get("tag", [])
1413 %{"type" => "Emoji"} -> true
1416 |> Map.new(fn %{"icon" => %{"url" => url}, "name" => name} ->
1417 {String.trim(name, ":"), url}
1420 is_locked = data["manuallyApprovesFollowers"] || false
1421 capabilities = data["capabilities"] || %{}
1422 accepts_chat_messages = capabilities["acceptsChatMessages"]
1423 data = Transmogrifier.maybe_fix_user_object(data)
1424 is_discoverable = data["discoverable"] || false
1425 invisible = data["invisible"] || false
1426 actor_type = data["type"] || "Person"
1429 if is_map(data["publicKey"]) && is_binary(data["publicKey"]["publicKeyPem"]) do
1430 data["publicKey"]["publicKeyPem"]
1436 if is_map(data["endpoints"]) && is_binary(data["endpoints"]["sharedInbox"]) do
1437 data["endpoints"]["sharedInbox"]
1444 uri: get_actor_url(data["url"]),
1449 is_locked: is_locked,
1450 is_discoverable: is_discoverable,
1451 invisible: invisible,
1454 follower_address: data["followers"],
1455 following_address: data["following"],
1456 bio: data["summary"] || "",
1457 actor_type: actor_type,
1458 also_known_as: Map.get(data, "alsoKnownAs", []),
1459 public_key: public_key,
1460 inbox: data["inbox"],
1461 shared_inbox: shared_inbox,
1462 accepts_chat_messages: accepts_chat_messages
1465 # nickname can be nil because of virtual actors
1466 if data["preferredUsername"] do
1470 "#{data["preferredUsername"]}@#{URI.parse(data["id"]).host}"
1473 Map.put(user_data, :nickname, nil)
1477 def fetch_follow_information_for_user(user) do
1478 with {:ok, following_data} <-
1479 Fetcher.fetch_and_contain_remote_object_from_id(user.following_address),
1480 {:ok, hide_follows} <- collection_private(following_data),
1481 {:ok, followers_data} <-
1482 Fetcher.fetch_and_contain_remote_object_from_id(user.follower_address),
1483 {:ok, hide_followers} <- collection_private(followers_data) do
1486 hide_follows: hide_follows,
1487 follower_count: normalize_counter(followers_data["totalItems"]),
1488 following_count: normalize_counter(following_data["totalItems"]),
1489 hide_followers: hide_followers
1492 {:error, _} = e -> e
1497 defp normalize_counter(counter) when is_integer(counter), do: counter
1498 defp normalize_counter(_), do: 0
1500 def maybe_update_follow_information(user_data) do
1501 with {:enabled, true} <- {:enabled, Config.get([:instance, :external_user_synchronization])},
1502 {_, true} <- {:user_type_check, user_data[:type] in ["Person", "Service"]},
1504 {:collections_available,
1505 !!(user_data[:following_address] && user_data[:follower_address])},
1507 fetch_follow_information_for_user(user_data) do
1508 info = Map.merge(user_data[:info] || %{}, info)
1511 |> Map.put(:info, info)
1513 {:user_type_check, false} ->
1516 {:collections_available, false} ->
1519 {:enabled, false} ->
1524 "Follower/Following counter update for #{user_data.ap_id} failed.\n" <> inspect(e)
1531 defp collection_private(%{"first" => %{"type" => type}})
1532 when type in ["CollectionPage", "OrderedCollectionPage"],
1535 defp collection_private(%{"first" => first}) do
1536 with {:ok, %{"type" => type}} when type in ["CollectionPage", "OrderedCollectionPage"] <-
1537 Fetcher.fetch_and_contain_remote_object_from_id(first) do
1540 {:error, {:ok, %{status: code}}} when code in [401, 403] -> {:ok, true}
1541 {:error, _} = e -> e
1546 defp collection_private(_data), do: {:ok, true}
1548 def user_data_from_user_object(data) do
1549 with {:ok, data} <- MRF.filter(data) do
1550 {:ok, object_to_user_data(data)}
1556 def fetch_and_prepare_user_from_ap_id(ap_id) do
1557 with {:ok, data} <- Fetcher.fetch_and_contain_remote_object_from_id(ap_id),
1558 {:ok, data} <- user_data_from_user_object(data) do
1559 {:ok, maybe_update_follow_information(data)}
1561 # If this has been deleted, only log a debug and not an error
1562 {:error, "Object has been deleted" = e} ->
1563 Logger.debug("Could not decode user at fetch #{ap_id}, #{inspect(e)}")
1566 {:error, {:reject, reason} = e} ->
1567 Logger.info("Rejected user #{ap_id}: #{inspect(reason)}")
1571 Logger.error("Could not decode user at fetch #{ap_id}, #{inspect(e)}")
1576 def maybe_handle_clashing_nickname(data) do
1577 with nickname when is_binary(nickname) <- data[:nickname],
1578 %User{} = old_user <- User.get_by_nickname(nickname),
1579 {_, false} <- {:ap_id_comparison, data[:ap_id] == old_user.ap_id} do
1581 "Found an old user for #{nickname}, the old ap id is #{old_user.ap_id}, new one is #{
1587 |> User.remote_user_changeset(%{nickname: "#{old_user.id}.#{old_user.nickname}"})
1588 |> User.update_and_set_cache()
1590 {:ap_id_comparison, true} ->
1592 "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."
1600 def make_user_from_ap_id(ap_id) do
1601 user = User.get_cached_by_ap_id(ap_id)
1603 if user && !User.ap_enabled?(user) do
1604 Transmogrifier.upgrade_user_from_ap_id(ap_id)
1606 with {:ok, data} <- fetch_and_prepare_user_from_ap_id(ap_id) do
1609 |> User.remote_user_changeset(data)
1610 |> User.update_and_set_cache()
1612 maybe_handle_clashing_nickname(data)
1615 |> User.remote_user_changeset()
1623 def make_user_from_nickname(nickname) do
1624 with {:ok, %{"ap_id" => ap_id}} when not is_nil(ap_id) <- WebFinger.finger(nickname) do
1625 make_user_from_ap_id(ap_id)
1627 _e -> {:error, "No AP id in WebFinger"}
1631 # filter out broken threads
1632 defp contain_broken_threads(%Activity{} = activity, %User{} = user) do
1633 entire_thread_visible_for_user?(activity, user)
1636 # do post-processing on a specific activity
1637 def contain_activity(%Activity{} = activity, %User{} = user) do
1638 contain_broken_threads(activity, user)
1641 def fetch_direct_messages_query do
1643 |> restrict_type(%{type: "Create"})
1644 |> restrict_visibility(%{visibility: "direct"})
1645 |> order_by([activity], asc: activity.id)