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
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)
613 !Map.has_key?(params, :offset) -> :keyset
618 godmode: params[:godmode],
619 reading_user: reading_user
621 |> user_activities_recipients()
622 |> fetch_activities(params, pagination_type)
626 def fetch_statuses(reading_user, params) do
627 params = Map.put(params, :type, ["Create", "Announce"])
630 godmode: params[:godmode],
631 reading_user: reading_user
633 |> user_activities_recipients()
634 |> fetch_activities(params, :offset)
638 defp user_activities_recipients(%{godmode: true}), do: []
640 defp user_activities_recipients(%{reading_user: reading_user}) do
642 [Constants.as_public(), reading_user.ap_id | User.following(reading_user)]
644 [Constants.as_public()]
648 defp restrict_announce_object_actor(_query, %{announce_filtering_user: _, skip_preload: true}) do
649 raise "Can't use the child object without preloading!"
652 defp restrict_announce_object_actor(query, %{announce_filtering_user: %{ap_id: actor}}) do
654 [activity, object] in query,
657 "?->>'type' != ? or ?->>'actor' != ?",
666 defp restrict_announce_object_actor(query, _), do: query
668 defp restrict_since(query, %{since_id: ""}), do: query
670 defp restrict_since(query, %{since_id: since_id}) do
671 from(activity in query, where: activity.id > ^since_id)
674 defp restrict_since(query, _), do: query
676 defp restrict_tag_reject(_query, %{tag_reject: _tag_reject, skip_preload: true}) do
677 raise "Can't use the child object without preloading!"
680 defp restrict_tag_reject(query, %{tag_reject: [_ | _] = tag_reject}) do
682 [_activity, object] in query,
683 where: fragment("not (?)->'tag' \\?| (?)", object.data, ^tag_reject)
687 defp restrict_tag_reject(query, _), do: query
689 defp restrict_tag_all(_query, %{tag_all: _tag_all, skip_preload: true}) do
690 raise "Can't use the child object without preloading!"
693 defp restrict_tag_all(query, %{tag_all: [_ | _] = tag_all}) do
695 [_activity, object] in query,
696 where: fragment("(?)->'tag' \\?& (?)", object.data, ^tag_all)
700 defp restrict_tag_all(query, _), do: query
702 defp restrict_tag(_query, %{tag: _tag, skip_preload: true}) do
703 raise "Can't use the child object without preloading!"
706 defp restrict_tag(query, %{tag: tag}) when is_list(tag) do
708 [_activity, object] in query,
709 where: fragment("(?)->'tag' \\?| (?)", object.data, ^tag)
713 defp restrict_tag(query, %{tag: tag}) when is_binary(tag) do
715 [_activity, object] in query,
716 where: fragment("(?)->'tag' \\? (?)", object.data, ^tag)
720 defp restrict_tag(query, _), do: query
722 defp restrict_recipients(query, [], _user), do: query
724 defp restrict_recipients(query, recipients, nil) do
725 from(activity in query, where: fragment("? && ?", ^recipients, activity.recipients))
728 defp restrict_recipients(query, recipients, user) do
731 where: fragment("? && ?", ^recipients, activity.recipients),
732 or_where: activity.actor == ^user.ap_id
736 defp restrict_local(query, %{local_only: true}) do
737 from(activity in query, where: activity.local == true)
740 defp restrict_local(query, _), do: query
742 defp restrict_actor(query, %{actor_id: actor_id}) do
743 from(activity in query, where: activity.actor == ^actor_id)
746 defp restrict_actor(query, _), do: query
748 defp restrict_type(query, %{type: type}) when is_binary(type) do
749 from(activity in query, where: fragment("?->>'type' = ?", activity.data, ^type))
752 defp restrict_type(query, %{type: type}) do
753 from(activity in query, where: fragment("?->>'type' = ANY(?)", activity.data, ^type))
756 defp restrict_type(query, _), do: query
758 defp restrict_state(query, %{state: state}) do
759 from(activity in query, where: fragment("?->>'state' = ?", activity.data, ^state))
762 defp restrict_state(query, _), do: query
764 defp restrict_favorited_by(query, %{favorited_by: ap_id}) do
766 [_activity, object] in query,
767 where: fragment("(?)->'likes' \\? (?)", object.data, ^ap_id)
771 defp restrict_favorited_by(query, _), do: query
773 defp restrict_media(_query, %{only_media: _val, skip_preload: true}) do
774 raise "Can't use the child object without preloading!"
777 defp restrict_media(query, %{only_media: true}) do
779 [activity, object] in query,
780 where: fragment("(?)->>'type' = ?", activity.data, "Create"),
781 where: fragment("not (?)->'attachment' = (?)", object.data, ^[])
785 defp restrict_media(query, _), do: query
787 defp restrict_replies(query, %{exclude_replies: true}) do
789 [_activity, object] in query,
790 where: fragment("?->>'inReplyTo' is null", object.data)
794 defp restrict_replies(query, %{
795 reply_filtering_user: %User{} = user,
796 reply_visibility: "self"
799 [activity, object] in query,
802 "?->>'inReplyTo' is null OR ? = ANY(?)",
810 defp restrict_replies(query, %{
811 reply_filtering_user: %User{} = user,
812 reply_visibility: "following"
815 [activity, object] in query,
819 ?->>'type' != 'Create' -- This isn't a Create
820 OR ?->>'inReplyTo' is null -- this isn't a reply
821 OR ? && array_remove(?, ?) -- The recipient is us or one of our friends,
822 -- unless they are the author (because authors
823 -- are also part of the recipients). This leads
824 -- to a bug that self-replies by friends won't
826 OR ? = ? -- The actor is us
830 ^[user.ap_id | User.get_cached_user_friends_ap_ids(user)],
839 defp restrict_replies(query, _), do: query
841 defp restrict_reblogs(query, %{exclude_reblogs: true}) do
842 from(activity in query, where: fragment("?->>'type' != 'Announce'", activity.data))
845 defp restrict_reblogs(query, _), do: query
847 defp restrict_muted(query, %{with_muted: true}), do: query
849 defp restrict_muted(query, %{muting_user: %User{} = user} = opts) do
850 mutes = opts[:muted_users_ap_ids] || User.muted_users_ap_ids(user)
853 from([activity] in query,
854 where: fragment("not (? = ANY(?))", activity.actor, ^mutes),
857 "not (?->'to' \\?| ?) or ? = ?",
865 unless opts[:skip_preload] do
866 from([thread_mute: tm] in query, where: is_nil(tm.user_id))
872 defp restrict_muted(query, _), do: query
874 defp restrict_blocked(query, %{blocking_user: %User{} = user} = opts) do
875 blocked_ap_ids = opts[:blocked_users_ap_ids] || User.blocked_users_ap_ids(user)
876 domain_blocks = user.domain_blocks || []
878 following_ap_ids = User.get_friends_ap_ids(user)
881 if has_named_binding?(query, :object), do: query, else: Activity.with_joined_object(query)
884 [activity, object: o] in query,
885 where: fragment("not (? = ANY(?))", activity.actor, ^blocked_ap_ids),
888 "((not (? && ?)) or ? = ?)",
896 "recipients_contain_blocked_domains(?, ?) = false",
902 "not (?->>'type' = 'Announce' and ?->'to' \\?| ?)",
909 "(not (split_part(?, '/', 3) = ANY(?))) or ? = ANY(?)",
917 "(not (split_part(?->>'actor', '/', 3) = ANY(?))) or (?->>'actor') = ANY(?)",
926 defp restrict_blocked(query, _), do: query
928 defp restrict_unlisted(query, %{restrict_unlisted: true}) do
933 "not (coalesce(?->'cc', '{}'::jsonb) \\?| ?)",
935 ^[Constants.as_public()]
940 defp restrict_unlisted(query, _), do: query
942 defp restrict_pinned(query, %{pinned: true, pinned_activity_ids: ids}) do
943 from(activity in query, where: activity.id in ^ids)
946 defp restrict_pinned(query, _), do: query
948 defp restrict_muted_reblogs(query, %{muting_user: %User{} = user} = opts) do
949 muted_reblogs = opts[:reblog_muted_users_ap_ids] || User.reblog_muted_users_ap_ids(user)
955 "not ( ?->>'type' = 'Announce' and ? = ANY(?))",
963 defp restrict_muted_reblogs(query, _), do: query
965 defp restrict_instance(query, %{instance: instance}) when is_binary(instance) do
968 where: fragment("split_part(actor::text, '/'::text, 3) = ?", ^instance)
972 defp restrict_instance(query, _), do: query
974 defp restrict_filtered(query, %{user: %User{} = user}) do
975 case Filter.compose_regex(user) do
980 from([activity, object] in query,
982 fragment("not(?->>'content' ~* ?)", object.data, ^regex) or
983 activity.actor == ^user.ap_id
988 defp restrict_filtered(query, %{blocking_user: %User{} = user}) do
989 restrict_filtered(query, %{user: user})
992 defp restrict_filtered(query, _), do: query
994 defp exclude_poll_votes(query, %{include_poll_votes: true}), do: query
996 defp exclude_poll_votes(query, _) do
997 if has_named_binding?(query, :object) do
998 from([activity, object: o] in query,
999 where: fragment("not(?->>'type' = ?)", o.data, "Answer")
1006 defp exclude_chat_messages(query, %{include_chat_messages: true}), do: query
1008 defp exclude_chat_messages(query, _) do
1009 if has_named_binding?(query, :object) do
1010 from([activity, object: o] in query,
1011 where: fragment("not(?->>'type' = ?)", o.data, "ChatMessage")
1018 defp exclude_invisible_actors(query, %{invisible_actors: true}), do: query
1020 defp exclude_invisible_actors(query, _opts) do
1022 User.Query.build(%{invisible: true, select: [:ap_id]})
1024 |> Enum.map(fn %{ap_id: ap_id} -> ap_id end)
1026 from([activity] in query, where: activity.actor not in ^invisible_ap_ids)
1029 defp exclude_id(query, %{exclude_id: id}) when is_binary(id) do
1030 from(activity in query, where: activity.id != ^id)
1033 defp exclude_id(query, _), do: query
1035 defp maybe_preload_objects(query, %{skip_preload: true}), do: query
1037 defp maybe_preload_objects(query, _) do
1039 |> Activity.with_preloaded_object()
1042 defp maybe_preload_bookmarks(query, %{skip_preload: true}), do: query
1044 defp maybe_preload_bookmarks(query, opts) do
1046 |> Activity.with_preloaded_bookmark(opts[:user])
1049 defp maybe_preload_report_notes(query, %{preload_report_notes: true}) do
1051 |> Activity.with_preloaded_report_notes()
1054 defp maybe_preload_report_notes(query, _), do: query
1056 defp maybe_set_thread_muted_field(query, %{skip_preload: true}), do: query
1058 defp maybe_set_thread_muted_field(query, opts) do
1060 |> Activity.with_set_thread_muted_field(opts[:muting_user] || opts[:user])
1063 defp maybe_order(query, %{order: :desc}) do
1065 |> order_by(desc: :id)
1068 defp maybe_order(query, %{order: :asc}) do
1070 |> order_by(asc: :id)
1073 defp maybe_order(query, _), do: query
1075 defp fetch_activities_query_ap_ids_ops(opts) do
1076 source_user = opts[:muting_user]
1077 ap_id_relationships = if source_user, do: [:mute, :reblog_mute], else: []
1079 ap_id_relationships =
1080 if opts[:blocking_user] && opts[:blocking_user] == source_user do
1081 [:block | ap_id_relationships]
1086 preloaded_ap_ids = User.outgoing_relationships_ap_ids(source_user, ap_id_relationships)
1088 restrict_blocked_opts = Map.merge(%{blocked_users_ap_ids: preloaded_ap_ids[:block]}, opts)
1089 restrict_muted_opts = Map.merge(%{muted_users_ap_ids: preloaded_ap_ids[:mute]}, opts)
1091 restrict_muted_reblogs_opts =
1092 Map.merge(%{reblog_muted_users_ap_ids: preloaded_ap_ids[:reblog_mute]}, opts)
1094 {restrict_blocked_opts, restrict_muted_opts, restrict_muted_reblogs_opts}
1097 def fetch_activities_query(recipients, opts \\ %{}) do
1098 {restrict_blocked_opts, restrict_muted_opts, restrict_muted_reblogs_opts} =
1099 fetch_activities_query_ap_ids_ops(opts)
1102 skip_thread_containment: Config.get([:instance, :skip_thread_containment])
1106 |> maybe_preload_objects(opts)
1107 |> maybe_preload_bookmarks(opts)
1108 |> maybe_preload_report_notes(opts)
1109 |> maybe_set_thread_muted_field(opts)
1110 |> maybe_order(opts)
1111 |> restrict_recipients(recipients, opts[:user])
1112 |> restrict_replies(opts)
1113 |> restrict_tag(opts)
1114 |> restrict_tag_reject(opts)
1115 |> restrict_tag_all(opts)
1116 |> restrict_since(opts)
1117 |> restrict_local(opts)
1118 |> restrict_actor(opts)
1119 |> restrict_type(opts)
1120 |> restrict_state(opts)
1121 |> restrict_favorited_by(opts)
1122 |> restrict_blocked(restrict_blocked_opts)
1123 |> restrict_muted(restrict_muted_opts)
1124 |> restrict_filtered(opts)
1125 |> restrict_media(opts)
1126 |> restrict_visibility(opts)
1127 |> restrict_thread_visibility(opts, config)
1128 |> restrict_reblogs(opts)
1129 |> restrict_pinned(opts)
1130 |> restrict_muted_reblogs(restrict_muted_reblogs_opts)
1131 |> restrict_instance(opts)
1132 |> restrict_announce_object_actor(opts)
1133 |> restrict_filtered(opts)
1134 |> Activity.restrict_deactivated_users()
1135 |> exclude_poll_votes(opts)
1136 |> exclude_chat_messages(opts)
1137 |> exclude_invisible_actors(opts)
1138 |> exclude_visibility(opts)
1141 def fetch_activities(recipients, opts \\ %{}, pagination \\ :keyset) do
1142 list_memberships = Pleroma.List.memberships(opts[:user])
1144 fetch_activities_query(recipients ++ list_memberships, opts)
1145 |> Pagination.fetch_paginated(opts, pagination)
1147 |> maybe_update_cc(list_memberships, opts[:user])
1151 Fetch favorites activities of user with order by sort adds to favorites
1153 @spec fetch_favourites(User.t(), map(), Pagination.type()) :: list(Activity.t())
1154 def fetch_favourites(user, params \\ %{}, pagination \\ :keyset) do
1156 |> Activity.Queries.by_actor()
1157 |> Activity.Queries.by_type("Like")
1158 |> Activity.with_joined_object()
1159 |> Object.with_joined_activity()
1160 |> select([like, object, activity], %{activity | object: object, pagination_id: like.id})
1161 |> order_by([like, _, _], desc_nulls_last: like.id)
1162 |> Pagination.fetch_paginated(
1163 Map.merge(params, %{skip_order: true}),
1168 defp maybe_update_cc(activities, [_ | _] = list_memberships, %User{ap_id: user_ap_id}) do
1169 Enum.map(activities, fn
1170 %{data: %{"bcc" => [_ | _] = bcc}} = activity ->
1171 if Enum.any?(bcc, &(&1 in list_memberships)) do
1172 update_in(activity.data["cc"], &[user_ap_id | &1])
1182 defp maybe_update_cc(activities, _, _), do: activities
1184 defp fetch_activities_bounded_query(query, recipients, recipients_with_public) do
1185 from(activity in query,
1187 fragment("? && ?", activity.recipients, ^recipients) or
1188 (fragment("? && ?", activity.recipients, ^recipients_with_public) and
1189 ^Constants.as_public() in activity.recipients)
1193 def fetch_activities_bounded(
1195 recipients_with_public,
1197 pagination \\ :keyset
1199 fetch_activities_query([], opts)
1200 |> fetch_activities_bounded_query(recipients, recipients_with_public)
1201 |> Pagination.fetch_paginated(opts, pagination)
1205 @spec upload(Upload.source(), keyword()) :: {:ok, Object.t()} | {:error, any()}
1206 def upload(file, opts \\ []) do
1207 with {:ok, data} <- Upload.store(file, opts) do
1208 obj_data = Maps.put_if_present(data, "actor", opts[:actor])
1210 Repo.insert(%Object{data: obj_data})
1214 @spec get_actor_url(any()) :: binary() | nil
1215 defp get_actor_url(url) when is_binary(url), do: url
1216 defp get_actor_url(%{"href" => href}) when is_binary(href), do: href
1218 defp get_actor_url(url) when is_list(url) do
1224 defp get_actor_url(_url), do: nil
1226 defp object_to_user_data(data) do
1228 data["icon"]["url"] &&
1231 "url" => [%{"href" => data["icon"]["url"]}]
1235 data["image"]["url"] &&
1238 "url" => [%{"href" => data["image"]["url"]}]
1243 |> Map.get("attachment", [])
1244 |> Enum.filter(fn %{"type" => t} -> t == "PropertyValue" end)
1245 |> Enum.map(fn fields -> Map.take(fields, ["name", "value"]) end)
1249 |> Map.get("tag", [])
1251 %{"type" => "Emoji"} -> true
1254 |> Map.new(fn %{"icon" => %{"url" => url}, "name" => name} ->
1255 {String.trim(name, ":"), url}
1258 is_locked = data["manuallyApprovesFollowers"] || false
1259 capabilities = data["capabilities"] || %{}
1260 accepts_chat_messages = capabilities["acceptsChatMessages"]
1261 data = Transmogrifier.maybe_fix_user_object(data)
1262 is_discoverable = data["discoverable"] || false
1263 invisible = data["invisible"] || false
1264 actor_type = data["type"] || "Person"
1267 if is_map(data["publicKey"]) && is_binary(data["publicKey"]["publicKeyPem"]) do
1268 data["publicKey"]["publicKeyPem"]
1274 if is_map(data["endpoints"]) && is_binary(data["endpoints"]["sharedInbox"]) do
1275 data["endpoints"]["sharedInbox"]
1282 uri: get_actor_url(data["url"]),
1287 is_locked: is_locked,
1288 is_discoverable: is_discoverable,
1289 invisible: invisible,
1292 follower_address: data["followers"],
1293 following_address: data["following"],
1294 bio: data["summary"] || "",
1295 actor_type: actor_type,
1296 also_known_as: Map.get(data, "alsoKnownAs", []),
1297 public_key: public_key,
1298 inbox: data["inbox"],
1299 shared_inbox: shared_inbox,
1300 accepts_chat_messages: accepts_chat_messages
1303 # nickname can be nil because of virtual actors
1304 if data["preferredUsername"] do
1308 "#{data["preferredUsername"]}@#{URI.parse(data["id"]).host}"
1311 Map.put(user_data, :nickname, nil)
1315 def fetch_follow_information_for_user(user) do
1316 with {:ok, following_data} <-
1317 Fetcher.fetch_and_contain_remote_object_from_id(user.following_address),
1318 {:ok, hide_follows} <- collection_private(following_data),
1319 {:ok, followers_data} <-
1320 Fetcher.fetch_and_contain_remote_object_from_id(user.follower_address),
1321 {:ok, hide_followers} <- collection_private(followers_data) do
1324 hide_follows: hide_follows,
1325 follower_count: normalize_counter(followers_data["totalItems"]),
1326 following_count: normalize_counter(following_data["totalItems"]),
1327 hide_followers: hide_followers
1330 {:error, _} = e -> e
1335 defp normalize_counter(counter) when is_integer(counter), do: counter
1336 defp normalize_counter(_), do: 0
1338 def maybe_update_follow_information(user_data) do
1339 with {:enabled, true} <- {:enabled, Config.get([:instance, :external_user_synchronization])},
1340 {_, true} <- {:user_type_check, user_data[:type] in ["Person", "Service"]},
1342 {:collections_available,
1343 !!(user_data[:following_address] && user_data[:follower_address])},
1345 fetch_follow_information_for_user(user_data) do
1346 info = Map.merge(user_data[:info] || %{}, info)
1349 |> Map.put(:info, info)
1351 {:user_type_check, false} ->
1354 {:collections_available, false} ->
1357 {:enabled, false} ->
1362 "Follower/Following counter update for #{user_data.ap_id} failed.\n" <> inspect(e)
1369 defp collection_private(%{"first" => %{"type" => type}})
1370 when type in ["CollectionPage", "OrderedCollectionPage"],
1373 defp collection_private(%{"first" => first}) do
1374 with {:ok, %{"type" => type}} when type in ["CollectionPage", "OrderedCollectionPage"] <-
1375 Fetcher.fetch_and_contain_remote_object_from_id(first) do
1378 {:error, {:ok, %{status: code}}} when code in [401, 403] -> {:ok, true}
1379 {:error, _} = e -> e
1384 defp collection_private(_data), do: {:ok, true}
1386 def user_data_from_user_object(data) do
1387 with {:ok, data} <- MRF.filter(data) do
1388 {:ok, object_to_user_data(data)}
1394 def fetch_and_prepare_user_from_ap_id(ap_id) do
1395 with {:ok, data} <- Fetcher.fetch_and_contain_remote_object_from_id(ap_id),
1396 {:ok, data} <- user_data_from_user_object(data) do
1397 {:ok, maybe_update_follow_information(data)}
1399 # If this has been deleted, only log a debug and not an error
1400 {:error, "Object has been deleted" = e} ->
1401 Logger.debug("Could not decode user at fetch #{ap_id}, #{inspect(e)}")
1404 {:error, {:reject, reason} = e} ->
1405 Logger.info("Rejected user #{ap_id}: #{inspect(reason)}")
1409 Logger.error("Could not decode user at fetch #{ap_id}, #{inspect(e)}")
1414 def maybe_handle_clashing_nickname(data) do
1415 with nickname when is_binary(nickname) <- data[:nickname],
1416 %User{} = old_user <- User.get_by_nickname(nickname),
1417 {_, false} <- {:ap_id_comparison, data[:ap_id] == old_user.ap_id} do
1419 "Found an old user for #{nickname}, the old ap id is #{old_user.ap_id}, new one is #{
1425 |> User.remote_user_changeset(%{nickname: "#{old_user.id}.#{old_user.nickname}"})
1426 |> User.update_and_set_cache()
1428 {:ap_id_comparison, true} ->
1430 "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."
1438 def make_user_from_ap_id(ap_id) do
1439 user = User.get_cached_by_ap_id(ap_id)
1441 if user && !User.ap_enabled?(user) do
1442 Transmogrifier.upgrade_user_from_ap_id(ap_id)
1444 with {:ok, data} <- fetch_and_prepare_user_from_ap_id(ap_id) do
1447 |> User.remote_user_changeset(data)
1448 |> User.update_and_set_cache()
1450 maybe_handle_clashing_nickname(data)
1453 |> User.remote_user_changeset()
1461 def make_user_from_nickname(nickname) do
1462 with {:ok, %{"ap_id" => ap_id}} when not is_nil(ap_id) <- WebFinger.finger(nickname) do
1463 make_user_from_ap_id(ap_id)
1465 _e -> {:error, "No AP id in WebFinger"}
1469 # filter out broken threads
1470 defp contain_broken_threads(%Activity{} = activity, %User{} = user) do
1471 entire_thread_visible_for_user?(activity, user)
1474 # do post-processing on a specific activity
1475 def contain_activity(%Activity{} = activity, %User{} = user) do
1476 contain_broken_threads(activity, user)
1479 def fetch_direct_messages_query do
1481 |> restrict_type(%{type: "Create"})
1482 |> restrict_visibility(%{visibility: "direct"})
1483 |> order_by([activity], asc: activity.id)