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)
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_tag_reject(_query, %{tag_reject: _tag_reject, skip_preload: true}) do
673 raise "Can't use the child object without preloading!"
676 defp restrict_tag_reject(query, %{tag_reject: [_ | _] = tag_reject}) do
678 [_activity, object] in query,
679 where: fragment("not (?)->'tag' \\?| (?)", object.data, ^tag_reject)
683 defp restrict_tag_reject(query, _), do: query
685 defp restrict_tag_all(_query, %{tag_all: _tag_all, skip_preload: true}) do
686 raise "Can't use the child object without preloading!"
689 defp restrict_tag_all(query, %{tag_all: [_ | _] = tag_all}) do
691 [_activity, object] in query,
692 where: fragment("(?)->'tag' \\?& (?)", object.data, ^tag_all)
696 defp restrict_tag_all(query, _), do: query
698 defp restrict_tag(_query, %{tag: _tag, skip_preload: true}) do
699 raise "Can't use the child object without preloading!"
702 defp restrict_tag(query, %{tag: tag}) when is_list(tag) do
704 [_activity, object] in query,
705 where: fragment("(?)->'tag' \\?| (?)", object.data, ^tag)
709 defp restrict_tag(query, %{tag: tag}) when is_binary(tag) do
711 [_activity, object] in query,
712 where: fragment("(?)->'tag' \\? (?)", object.data, ^tag)
716 defp restrict_tag(query, _), do: query
718 defp restrict_recipients(query, [], _user), do: query
720 defp restrict_recipients(query, recipients, nil) do
721 from(activity in query, where: fragment("? && ?", ^recipients, activity.recipients))
724 defp restrict_recipients(query, recipients, user) do
727 where: fragment("? && ?", ^recipients, activity.recipients),
728 or_where: activity.actor == ^user.ap_id
732 defp restrict_local(query, %{local_only: true}) do
733 from(activity in query, where: activity.local == true)
736 defp restrict_local(query, _), do: query
738 defp restrict_actor(query, %{actor_id: actor_id}) do
739 from(activity in query, where: activity.actor == ^actor_id)
742 defp restrict_actor(query, _), do: query
744 defp restrict_type(query, %{type: type}) when is_binary(type) do
745 from(activity in query, where: fragment("?->>'type' = ?", activity.data, ^type))
748 defp restrict_type(query, %{type: type}) do
749 from(activity in query, where: fragment("?->>'type' = ANY(?)", activity.data, ^type))
752 defp restrict_type(query, _), do: query
754 defp restrict_state(query, %{state: state}) do
755 from(activity in query, where: fragment("?->>'state' = ?", activity.data, ^state))
758 defp restrict_state(query, _), do: query
760 defp restrict_favorited_by(query, %{favorited_by: ap_id}) do
762 [_activity, object] in query,
763 where: fragment("(?)->'likes' \\? (?)", object.data, ^ap_id)
767 defp restrict_favorited_by(query, _), do: query
769 defp restrict_media(_query, %{only_media: _val, skip_preload: true}) do
770 raise "Can't use the child object without preloading!"
773 defp restrict_media(query, %{only_media: true}) do
775 [activity, object] in query,
776 where: fragment("(?)->>'type' = ?", activity.data, "Create"),
777 where: fragment("not (?)->'attachment' = (?)", object.data, ^[])
781 defp restrict_media(query, _), do: query
783 defp restrict_replies(query, %{exclude_replies: true}) do
785 [_activity, object] in query,
786 where: fragment("?->>'inReplyTo' is null", object.data)
790 defp restrict_replies(query, %{
791 reply_filtering_user: %User{} = user,
792 reply_visibility: "self"
795 [activity, object] in query,
798 "?->>'inReplyTo' is null OR ? = ANY(?)",
806 defp restrict_replies(query, %{
807 reply_filtering_user: %User{} = user,
808 reply_visibility: "following"
811 [activity, object] in query,
815 ?->>'type' != 'Create' -- This isn't a Create
816 OR ?->>'inReplyTo' is null -- this isn't a reply
817 OR ? && array_remove(?, ?) -- The recipient is us or one of our friends,
818 -- unless they are the author (because authors
819 -- are also part of the recipients). This leads
820 -- to a bug that self-replies by friends won't
822 OR ? = ? -- The actor is us
826 ^[user.ap_id | User.get_cached_user_friends_ap_ids(user)],
835 defp restrict_replies(query, _), do: query
837 defp restrict_reblogs(query, %{exclude_reblogs: true}) do
838 from(activity in query, where: fragment("?->>'type' != 'Announce'", activity.data))
841 defp restrict_reblogs(query, _), do: query
843 defp restrict_muted(query, %{with_muted: true}), do: query
845 defp restrict_muted(query, %{muting_user: %User{} = user} = opts) do
846 mutes = opts[:muted_users_ap_ids] || User.muted_users_ap_ids(user)
849 from([activity] in query,
850 where: fragment("not (? = ANY(?))", activity.actor, ^mutes),
853 "not (?->'to' \\?| ?) or ? = ?",
861 unless opts[:skip_preload] do
862 from([thread_mute: tm] in query, where: is_nil(tm.user_id))
868 defp restrict_muted(query, _), do: query
870 defp restrict_blocked(query, %{blocking_user: %User{} = user} = opts) do
871 blocked_ap_ids = opts[:blocked_users_ap_ids] || User.blocked_users_ap_ids(user)
872 domain_blocks = user.domain_blocks || []
874 following_ap_ids = User.get_friends_ap_ids(user)
877 if has_named_binding?(query, :object), do: query, else: Activity.with_joined_object(query)
880 [activity, object: o] in query,
881 where: fragment("not (? = ANY(?))", activity.actor, ^blocked_ap_ids),
884 "((not (? && ?)) or ? = ?)",
892 "recipients_contain_blocked_domains(?, ?) = false",
898 "not (?->>'type' = 'Announce' and ?->'to' \\?| ?)",
905 "(not (split_part(?, '/', 3) = ANY(?))) or ? = ANY(?)",
913 "(not (split_part(?->>'actor', '/', 3) = ANY(?))) or (?->>'actor') = ANY(?)",
922 defp restrict_blocked(query, _), do: query
924 defp restrict_unlisted(query, %{restrict_unlisted: true}) do
929 "not (coalesce(?->'cc', '{}'::jsonb) \\?| ?)",
931 ^[Constants.as_public()]
936 defp restrict_unlisted(query, _), do: query
938 defp restrict_pinned(query, %{pinned: true, pinned_activity_ids: ids}) do
939 from(activity in query, where: activity.id in ^ids)
942 defp restrict_pinned(query, _), do: query
944 defp restrict_muted_reblogs(query, %{muting_user: %User{} = user} = opts) do
945 muted_reblogs = opts[:reblog_muted_users_ap_ids] || User.reblog_muted_users_ap_ids(user)
951 "not ( ?->>'type' = 'Announce' and ? = ANY(?))",
959 defp restrict_muted_reblogs(query, _), do: query
961 defp restrict_instance(query, %{instance: instance}) when is_binary(instance) do
964 where: fragment("split_part(actor::text, '/'::text, 3) = ?", ^instance)
968 defp restrict_instance(query, _), do: query
970 defp restrict_filtered(query, %{user: %User{} = user}) do
971 case Filter.compose_regex(user) do
976 from([activity, object] in query,
978 fragment("not(?->>'content' ~* ?)", object.data, ^regex) or
979 activity.actor == ^user.ap_id
984 defp restrict_filtered(query, %{blocking_user: %User{} = user}) do
985 restrict_filtered(query, %{user: user})
988 defp restrict_filtered(query, _), do: query
990 defp exclude_poll_votes(query, %{include_poll_votes: true}), do: query
992 defp exclude_poll_votes(query, _) do
993 if has_named_binding?(query, :object) do
994 from([activity, object: o] in query,
995 where: fragment("not(?->>'type' = ?)", o.data, "Answer")
1002 defp exclude_chat_messages(query, %{include_chat_messages: true}), do: query
1004 defp exclude_chat_messages(query, _) do
1005 if has_named_binding?(query, :object) do
1006 from([activity, object: o] in query,
1007 where: fragment("not(?->>'type' = ?)", o.data, "ChatMessage")
1014 defp exclude_invisible_actors(query, %{invisible_actors: true}), do: query
1016 defp exclude_invisible_actors(query, _opts) do
1018 User.Query.build(%{invisible: true, select: [:ap_id]})
1020 |> Enum.map(fn %{ap_id: ap_id} -> ap_id end)
1022 from([activity] in query, where: activity.actor not in ^invisible_ap_ids)
1025 defp exclude_id(query, %{exclude_id: id}) when is_binary(id) do
1026 from(activity in query, where: activity.id != ^id)
1029 defp exclude_id(query, _), do: query
1031 defp maybe_preload_objects(query, %{skip_preload: true}), do: query
1033 defp maybe_preload_objects(query, _) do
1035 |> Activity.with_preloaded_object()
1038 defp maybe_preload_bookmarks(query, %{skip_preload: true}), do: query
1040 defp maybe_preload_bookmarks(query, opts) do
1042 |> Activity.with_preloaded_bookmark(opts[:user])
1045 defp maybe_preload_report_notes(query, %{preload_report_notes: true}) do
1047 |> Activity.with_preloaded_report_notes()
1050 defp maybe_preload_report_notes(query, _), do: query
1052 defp maybe_set_thread_muted_field(query, %{skip_preload: true}), do: query
1054 defp maybe_set_thread_muted_field(query, opts) do
1056 |> Activity.with_set_thread_muted_field(opts[:muting_user] || opts[:user])
1059 defp maybe_order(query, %{order: :desc}) do
1061 |> order_by(desc: :id)
1064 defp maybe_order(query, %{order: :asc}) do
1066 |> order_by(asc: :id)
1069 defp maybe_order(query, _), do: query
1071 defp fetch_activities_query_ap_ids_ops(opts) do
1072 source_user = opts[:muting_user]
1073 ap_id_relationships = if source_user, do: [:mute, :reblog_mute], else: []
1075 ap_id_relationships =
1076 if opts[:blocking_user] && opts[:blocking_user] == source_user do
1077 [:block | ap_id_relationships]
1082 preloaded_ap_ids = User.outgoing_relationships_ap_ids(source_user, ap_id_relationships)
1084 restrict_blocked_opts = Map.merge(%{blocked_users_ap_ids: preloaded_ap_ids[:block]}, opts)
1085 restrict_muted_opts = Map.merge(%{muted_users_ap_ids: preloaded_ap_ids[:mute]}, opts)
1087 restrict_muted_reblogs_opts =
1088 Map.merge(%{reblog_muted_users_ap_ids: preloaded_ap_ids[:reblog_mute]}, opts)
1090 {restrict_blocked_opts, restrict_muted_opts, restrict_muted_reblogs_opts}
1093 def fetch_activities_query(recipients, opts \\ %{}) do
1094 {restrict_blocked_opts, restrict_muted_opts, restrict_muted_reblogs_opts} =
1095 fetch_activities_query_ap_ids_ops(opts)
1098 skip_thread_containment: Config.get([:instance, :skip_thread_containment])
1102 |> maybe_preload_objects(opts)
1103 |> maybe_preload_bookmarks(opts)
1104 |> maybe_preload_report_notes(opts)
1105 |> maybe_set_thread_muted_field(opts)
1106 |> maybe_order(opts)
1107 |> restrict_recipients(recipients, opts[:user])
1108 |> restrict_replies(opts)
1109 |> restrict_tag(opts)
1110 |> restrict_tag_reject(opts)
1111 |> restrict_tag_all(opts)
1112 |> restrict_since(opts)
1113 |> restrict_local(opts)
1114 |> restrict_actor(opts)
1115 |> restrict_type(opts)
1116 |> restrict_state(opts)
1117 |> restrict_favorited_by(opts)
1118 |> restrict_blocked(restrict_blocked_opts)
1119 |> restrict_muted(restrict_muted_opts)
1120 |> restrict_filtered(opts)
1121 |> restrict_media(opts)
1122 |> restrict_visibility(opts)
1123 |> restrict_thread_visibility(opts, config)
1124 |> restrict_reblogs(opts)
1125 |> restrict_pinned(opts)
1126 |> restrict_muted_reblogs(restrict_muted_reblogs_opts)
1127 |> restrict_instance(opts)
1128 |> restrict_announce_object_actor(opts)
1129 |> restrict_filtered(opts)
1130 |> Activity.restrict_deactivated_users()
1131 |> exclude_poll_votes(opts)
1132 |> exclude_chat_messages(opts)
1133 |> exclude_invisible_actors(opts)
1134 |> exclude_visibility(opts)
1137 def fetch_activities(recipients, opts \\ %{}, pagination \\ :keyset) do
1138 list_memberships = Pleroma.List.memberships(opts[:user])
1140 fetch_activities_query(recipients ++ list_memberships, opts)
1141 |> Pagination.fetch_paginated(opts, pagination)
1143 |> maybe_update_cc(list_memberships, opts[:user])
1147 Fetch favorites activities of user with order by sort adds to favorites
1149 @spec fetch_favourites(User.t(), map(), Pagination.type()) :: list(Activity.t())
1150 def fetch_favourites(user, params \\ %{}, pagination \\ :keyset) do
1152 |> Activity.Queries.by_actor()
1153 |> Activity.Queries.by_type("Like")
1154 |> Activity.with_joined_object()
1155 |> Object.with_joined_activity()
1156 |> select([like, object, activity], %{activity | object: object, pagination_id: like.id})
1157 |> order_by([like, _, _], desc_nulls_last: like.id)
1158 |> Pagination.fetch_paginated(
1159 Map.merge(params, %{skip_order: true}),
1164 defp maybe_update_cc(activities, [_ | _] = list_memberships, %User{ap_id: user_ap_id}) do
1165 Enum.map(activities, fn
1166 %{data: %{"bcc" => [_ | _] = bcc}} = activity ->
1167 if Enum.any?(bcc, &(&1 in list_memberships)) do
1168 update_in(activity.data["cc"], &[user_ap_id | &1])
1178 defp maybe_update_cc(activities, _, _), do: activities
1180 defp fetch_activities_bounded_query(query, recipients, recipients_with_public) do
1181 from(activity in query,
1183 fragment("? && ?", activity.recipients, ^recipients) or
1184 (fragment("? && ?", activity.recipients, ^recipients_with_public) and
1185 ^Constants.as_public() in activity.recipients)
1189 def fetch_activities_bounded(
1191 recipients_with_public,
1193 pagination \\ :keyset
1195 fetch_activities_query([], opts)
1196 |> fetch_activities_bounded_query(recipients, recipients_with_public)
1197 |> Pagination.fetch_paginated(opts, pagination)
1201 @spec upload(Upload.source(), keyword()) :: {:ok, Object.t()} | {:error, any()}
1202 def upload(file, opts \\ []) do
1203 with {:ok, data} <- Upload.store(file, opts) do
1204 obj_data = Maps.put_if_present(data, "actor", opts[:actor])
1206 Repo.insert(%Object{data: obj_data})
1210 @spec get_actor_url(any()) :: binary() | nil
1211 defp get_actor_url(url) when is_binary(url), do: url
1212 defp get_actor_url(%{"href" => href}) when is_binary(href), do: href
1214 defp get_actor_url(url) when is_list(url) do
1220 defp get_actor_url(_url), do: nil
1222 defp object_to_user_data(data) do
1224 data["icon"]["url"] &&
1227 "url" => [%{"href" => data["icon"]["url"]}]
1231 data["image"]["url"] &&
1234 "url" => [%{"href" => data["image"]["url"]}]
1239 |> Map.get("attachment", [])
1240 |> Enum.filter(fn %{"type" => t} -> t == "PropertyValue" end)
1241 |> Enum.map(fn fields -> Map.take(fields, ["name", "value"]) end)
1245 |> Map.get("tag", [])
1247 %{"type" => "Emoji"} -> true
1250 |> Map.new(fn %{"icon" => %{"url" => url}, "name" => name} ->
1251 {String.trim(name, ":"), url}
1254 is_locked = data["manuallyApprovesFollowers"] || false
1255 capabilities = data["capabilities"] || %{}
1256 accepts_chat_messages = capabilities["acceptsChatMessages"]
1257 data = Transmogrifier.maybe_fix_user_object(data)
1258 is_discoverable = data["discoverable"] || false
1259 invisible = data["invisible"] || false
1260 actor_type = data["type"] || "Person"
1263 if is_map(data["publicKey"]) && is_binary(data["publicKey"]["publicKeyPem"]) do
1264 data["publicKey"]["publicKeyPem"]
1270 if is_map(data["endpoints"]) && is_binary(data["endpoints"]["sharedInbox"]) do
1271 data["endpoints"]["sharedInbox"]
1278 uri: get_actor_url(data["url"]),
1283 is_locked: is_locked,
1284 is_discoverable: is_discoverable,
1285 invisible: invisible,
1288 follower_address: data["followers"],
1289 following_address: data["following"],
1290 bio: data["summary"] || "",
1291 actor_type: actor_type,
1292 also_known_as: Map.get(data, "alsoKnownAs", []),
1293 public_key: public_key,
1294 inbox: data["inbox"],
1295 shared_inbox: shared_inbox,
1296 accepts_chat_messages: accepts_chat_messages
1299 # nickname can be nil because of virtual actors
1300 if data["preferredUsername"] do
1304 "#{data["preferredUsername"]}@#{URI.parse(data["id"]).host}"
1307 Map.put(user_data, :nickname, nil)
1311 def fetch_follow_information_for_user(user) do
1312 with {:ok, following_data} <-
1313 Fetcher.fetch_and_contain_remote_object_from_id(user.following_address),
1314 {:ok, hide_follows} <- collection_private(following_data),
1315 {:ok, followers_data} <-
1316 Fetcher.fetch_and_contain_remote_object_from_id(user.follower_address),
1317 {:ok, hide_followers} <- collection_private(followers_data) do
1320 hide_follows: hide_follows,
1321 follower_count: normalize_counter(followers_data["totalItems"]),
1322 following_count: normalize_counter(following_data["totalItems"]),
1323 hide_followers: hide_followers
1326 {:error, _} = e -> e
1331 defp normalize_counter(counter) when is_integer(counter), do: counter
1332 defp normalize_counter(_), do: 0
1334 def maybe_update_follow_information(user_data) do
1335 with {:enabled, true} <- {:enabled, Config.get([:instance, :external_user_synchronization])},
1336 {_, true} <- {:user_type_check, user_data[:type] in ["Person", "Service"]},
1338 {:collections_available,
1339 !!(user_data[:following_address] && user_data[:follower_address])},
1341 fetch_follow_information_for_user(user_data) do
1342 info = Map.merge(user_data[:info] || %{}, info)
1345 |> Map.put(:info, info)
1347 {:user_type_check, false} ->
1350 {:collections_available, false} ->
1353 {:enabled, false} ->
1358 "Follower/Following counter update for #{user_data.ap_id} failed.\n" <> inspect(e)
1365 defp collection_private(%{"first" => %{"type" => type}})
1366 when type in ["CollectionPage", "OrderedCollectionPage"],
1369 defp collection_private(%{"first" => first}) do
1370 with {:ok, %{"type" => type}} when type in ["CollectionPage", "OrderedCollectionPage"] <-
1371 Fetcher.fetch_and_contain_remote_object_from_id(first) do
1374 {:error, {:ok, %{status: code}}} when code in [401, 403] -> {:ok, true}
1375 {:error, _} = e -> e
1380 defp collection_private(_data), do: {:ok, true}
1382 def user_data_from_user_object(data) do
1383 with {:ok, data} <- MRF.filter(data) do
1384 {:ok, object_to_user_data(data)}
1390 def fetch_and_prepare_user_from_ap_id(ap_id) do
1391 with {:ok, data} <- Fetcher.fetch_and_contain_remote_object_from_id(ap_id),
1392 {:ok, data} <- user_data_from_user_object(data) do
1393 {:ok, maybe_update_follow_information(data)}
1395 # If this has been deleted, only log a debug and not an error
1396 {:error, "Object has been deleted" = e} ->
1397 Logger.debug("Could not decode user at fetch #{ap_id}, #{inspect(e)}")
1400 {:error, {:reject, reason} = e} ->
1401 Logger.info("Rejected user #{ap_id}: #{inspect(reason)}")
1405 Logger.error("Could not decode user at fetch #{ap_id}, #{inspect(e)}")
1410 def maybe_handle_clashing_nickname(data) do
1411 with nickname when is_binary(nickname) <- data[:nickname],
1412 %User{} = old_user <- User.get_by_nickname(nickname),
1413 {_, false} <- {:ap_id_comparison, data[:ap_id] == old_user.ap_id} do
1415 "Found an old user for #{nickname}, the old ap id is #{old_user.ap_id}, new one is #{
1421 |> User.remote_user_changeset(%{nickname: "#{old_user.id}.#{old_user.nickname}"})
1422 |> User.update_and_set_cache()
1424 {:ap_id_comparison, true} ->
1426 "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."
1434 def make_user_from_ap_id(ap_id) do
1435 user = User.get_cached_by_ap_id(ap_id)
1437 if user && !User.ap_enabled?(user) do
1438 Transmogrifier.upgrade_user_from_ap_id(ap_id)
1440 with {:ok, data} <- fetch_and_prepare_user_from_ap_id(ap_id) do
1443 |> User.remote_user_changeset(data)
1444 |> User.update_and_set_cache()
1446 maybe_handle_clashing_nickname(data)
1449 |> User.remote_user_changeset()
1457 def make_user_from_nickname(nickname) do
1458 with {:ok, %{"ap_id" => ap_id}} when not is_nil(ap_id) <- WebFinger.finger(nickname) do
1459 make_user_from_ap_id(ap_id)
1461 _e -> {:error, "No AP id in WebFinger"}
1465 # filter out broken threads
1466 defp contain_broken_threads(%Activity{} = activity, %User{} = user) do
1467 entire_thread_visible_for_user?(activity, user)
1470 # do post-processing on a specific activity
1471 def contain_activity(%Activity{} = activity, %User{} = user) do
1472 contain_broken_threads(activity, user)
1475 def fetch_direct_messages_query do
1477 |> restrict_type(%{type: "Create"})
1478 |> restrict_visibility(%{visibility: "direct"})
1479 |> order_by([activity], asc: activity.id)