1 # Pleroma: A lightweight social networking server
2 # Copyright © 2017-2019 Pleroma Authors <https://pleroma.social/>
3 # SPDX-License-Identifier: AGPL-3.0-only
5 defmodule Pleroma.Web.ActivityPub.ActivityPub do
7 alias Pleroma.Instances
8 alias Pleroma.Notification
10 alias Pleroma.Pagination
14 alias Pleroma.Web.ActivityPub.MRF
15 alias Pleroma.Web.ActivityPub.Transmogrifier
16 alias Pleroma.Web.Federator
17 alias Pleroma.Web.OStatus
18 alias Pleroma.Web.WebFinger
21 import Pleroma.Web.ActivityPub.Utils
22 import Pleroma.Web.ActivityPub.Visibility
26 @httpoison Application.get_env(:pleroma, :httpoison)
28 # For Announce activities, we filter the recipients based on following status for any actors
29 # that match actual users. See issue #164 for more information about why this is necessary.
30 defp get_recipients(%{"type" => "Announce"} = data) do
33 actor = User.get_cached_by_ap_id(data["actor"])
37 |> Enum.filter(fn recipient ->
38 case User.get_cached_by_ap_id(recipient) do
43 User.following?(user, actor)
50 defp get_recipients(%{"type" => "Create"} = data) do
53 actor = data["actor"] || []
54 recipients = (to ++ cc ++ [actor]) |> Enum.uniq()
58 defp get_recipients(data) do
65 defp check_actor_is_active(actor) do
66 if not is_nil(actor) do
67 with user <- User.get_cached_by_ap_id(actor),
68 false <- user.info.deactivated do
78 defp check_remote_limit(%{"object" => %{"content" => content}}) when not is_nil(content) do
79 limit = Pleroma.Config.get([:instance, :remote_limit])
80 String.length(content) <= limit
83 defp check_remote_limit(_), do: true
85 def increase_note_count_if_public(actor, object) do
86 if is_public?(object), do: User.increase_note_count(actor), else: {:ok, actor}
89 def decrease_note_count_if_public(actor, object) do
90 if is_public?(object), do: User.decrease_note_count(actor), else: {:ok, actor}
93 def increase_replies_count_if_reply(%{
95 %{"inReplyTo" => reply_ap_id, "inReplyToStatusId" => reply_status_id} = object,
98 if is_public?(object) do
99 Activity.increase_replies_count(reply_status_id)
100 Object.increase_replies_count(reply_ap_id)
104 def increase_replies_count_if_reply(_create_data), do: :noop
106 def decrease_replies_count_if_reply(%Object{
107 data: %{"inReplyTo" => reply_ap_id, "inReplyToStatusId" => reply_status_id} = object
109 if is_public?(object) do
110 Activity.decrease_replies_count(reply_status_id)
111 Object.decrease_replies_count(reply_ap_id)
115 def decrease_replies_count_if_reply(_object), do: :noop
117 def insert(map, local \\ true, fake \\ false) when is_map(map) do
118 with nil <- Activity.normalize(map),
119 map <- lazy_put_activity_defaults(map, fake),
120 :ok <- check_actor_is_active(map["actor"]),
121 {_, true} <- {:remote_limit_error, check_remote_limit(map)},
122 {:ok, map} <- MRF.filter(map),
123 {recipients, _, _} = get_recipients(map),
124 {:fake, false, map, recipients} <- {:fake, fake, map, recipients},
125 {:ok, object} <- insert_full_object(map) do
127 Repo.insert(%Activity{
131 recipients: recipients
134 # Splice in the child object if we have one.
136 if !is_nil(object) do
137 Map.put(activity, :object, object)
143 Pleroma.Web.RichMedia.Helpers.fetch_data_for_activity(activity)
146 Notification.create_notifications(activity)
150 %Activity{} = activity ->
153 {:fake, true, map, recipients} ->
154 activity = %Activity{
158 recipients: recipients,
162 Pleroma.Web.RichMedia.Helpers.fetch_data_for_activity(activity)
170 def stream_out(activity) do
171 public = "https://www.w3.org/ns/activitystreams#Public"
173 if activity.data["type"] in ["Create", "Announce", "Delete"] do
174 Pleroma.Web.Streamer.stream("user", activity)
175 Pleroma.Web.Streamer.stream("list", activity)
177 if Enum.member?(activity.data["to"], public) do
178 Pleroma.Web.Streamer.stream("public", activity)
181 Pleroma.Web.Streamer.stream("public:local", activity)
184 if activity.data["type"] in ["Create"] do
185 activity.data["object"]
186 |> Map.get("tag", [])
187 |> Enum.filter(fn tag -> is_bitstring(tag) end)
188 |> Enum.each(fn tag -> Pleroma.Web.Streamer.stream("hashtag:" <> tag, activity) end)
190 if activity.data["object"]["attachment"] != [] do
191 Pleroma.Web.Streamer.stream("public:media", activity)
194 Pleroma.Web.Streamer.stream("public:local:media", activity)
199 if !Enum.member?(activity.data["cc"] || [], public) &&
202 User.get_by_ap_id(activity.data["actor"]).follower_address
204 do: Pleroma.Web.Streamer.stream("direct", activity)
209 def create(%{to: to, actor: actor, context: context, object: object} = params, fake \\ false) do
210 additional = params[:additional] || %{}
211 # only accept false as false value
212 local = !(params[:local] == false)
213 published = params[:published]
217 %{to: to, actor: actor, published: published, context: context, object: object},
220 {:ok, activity} <- insert(create_data, local, fake),
221 {:fake, false, activity} <- {:fake, fake, activity},
222 _ <- increase_replies_count_if_reply(create_data),
223 # Changing note count prior to enqueuing federation task in order to avoid
224 # race conditions on updating user.info
225 {:ok, _actor} <- increase_note_count_if_public(actor, activity),
226 :ok <- maybe_federate(activity) do
229 {:fake, true, activity} ->
234 def accept(%{to: to, actor: actor, object: object} = params) do
235 # only accept false as false value
236 local = !(params[:local] == false)
238 with data <- %{"to" => to, "type" => "Accept", "actor" => actor.ap_id, "object" => object},
239 {:ok, activity} <- insert(data, local),
240 :ok <- maybe_federate(activity) do
245 def reject(%{to: to, actor: actor, object: object} = params) do
246 # only accept false as false value
247 local = !(params[:local] == false)
249 with data <- %{"to" => to, "type" => "Reject", "actor" => actor.ap_id, "object" => object},
250 {:ok, activity} <- insert(data, local),
251 :ok <- maybe_federate(activity) do
256 def update(%{to: to, cc: cc, actor: actor, object: object} = params) do
257 # only accept false as false value
258 local = !(params[:local] == false)
267 {:ok, activity} <- insert(data, local),
268 :ok <- maybe_federate(activity) do
273 # TODO: This is weird, maybe we shouldn't check here if we can make the activity.
275 %User{ap_id: ap_id} = user,
276 %Object{data: %{"id" => _}} = object,
280 with nil <- get_existing_like(ap_id, object),
281 like_data <- make_like_data(user, object, activity_id),
282 {:ok, activity} <- insert(like_data, local),
283 {:ok, object} <- add_like_to_object(activity, object),
284 :ok <- maybe_federate(activity) do
285 {:ok, activity, object}
287 %Activity{} = activity -> {:ok, activity, object}
288 error -> {:error, error}
298 with %Activity{} = like_activity <- get_existing_like(actor.ap_id, object),
299 unlike_data <- make_unlike_data(actor, like_activity, activity_id),
300 {:ok, unlike_activity} <- insert(unlike_data, local),
301 {:ok, _activity} <- Repo.delete(like_activity),
302 {:ok, object} <- remove_like_from_object(like_activity, object),
303 :ok <- maybe_federate(unlike_activity) do
304 {:ok, unlike_activity, like_activity, object}
311 %User{ap_id: _} = user,
312 %Object{data: %{"id" => _}} = object,
317 with true <- is_public?(object),
318 announce_data <- make_announce_data(user, object, activity_id, public),
319 {:ok, activity} <- insert(announce_data, local),
320 {:ok, object} <- add_announce_to_object(activity, object),
321 :ok <- maybe_federate(activity) do
322 {:ok, activity, object}
324 error -> {:error, error}
334 with %Activity{} = announce_activity <- get_existing_announce(actor.ap_id, object),
335 unannounce_data <- make_unannounce_data(actor, announce_activity, activity_id),
336 {:ok, unannounce_activity} <- insert(unannounce_data, local),
337 :ok <- maybe_federate(unannounce_activity),
338 {:ok, _activity} <- Repo.delete(announce_activity),
339 {:ok, object} <- remove_announce_from_object(announce_activity, object) do
340 {:ok, unannounce_activity, object}
346 def follow(follower, followed, activity_id \\ nil, local \\ true) do
347 with data <- make_follow_data(follower, followed, activity_id),
348 {:ok, activity} <- insert(data, local),
349 :ok <- maybe_federate(activity) do
354 def unfollow(follower, followed, activity_id \\ nil, local \\ true) do
355 with %Activity{} = follow_activity <- fetch_latest_follow(follower, followed),
356 {:ok, follow_activity} <- update_follow_state(follow_activity, "cancelled"),
357 unfollow_data <- make_unfollow_data(follower, followed, follow_activity, activity_id),
358 {:ok, activity} <- insert(unfollow_data, local),
359 :ok <- maybe_federate(activity) do
364 def delete(%Object{data: %{"id" => id, "actor" => actor}} = object, local \\ true) do
365 user = User.get_cached_by_ap_id(actor)
366 to = (object.data["to"] || []) ++ (object.data["cc"] || [])
368 with {:ok, object, activity} <- Object.delete(object),
374 "deleted_activity_id" => activity && activity.id
376 {:ok, activity} <- insert(data, local),
377 _ <- decrease_replies_count_if_reply(object),
378 # Changing note count prior to enqueuing federation task in order to avoid
379 # race conditions on updating user.info
380 {:ok, _actor} <- decrease_note_count_if_public(user, object),
381 :ok <- maybe_federate(activity) do
386 def block(blocker, blocked, activity_id \\ nil, local \\ true) do
387 ap_config = Application.get_env(:pleroma, :activitypub)
388 unfollow_blocked = Keyword.get(ap_config, :unfollow_blocked)
389 outgoing_blocks = Keyword.get(ap_config, :outgoing_blocks)
391 with true <- unfollow_blocked do
392 follow_activity = fetch_latest_follow(blocker, blocked)
394 if follow_activity do
395 unfollow(blocker, blocked, nil, local)
399 with true <- outgoing_blocks,
400 block_data <- make_block_data(blocker, blocked, activity_id),
401 {:ok, activity} <- insert(block_data, local),
402 :ok <- maybe_federate(activity) do
409 def unblock(blocker, blocked, activity_id \\ nil, local \\ true) do
410 with %Activity{} = block_activity <- fetch_latest_block(blocker, blocked),
411 unblock_data <- make_unblock_data(blocker, blocked, block_activity, activity_id),
412 {:ok, activity} <- insert(unblock_data, local),
413 :ok <- maybe_federate(activity) do
427 # only accept false as false value
428 local = !(params[:local] == false)
429 forward = !(params[:forward] == false)
431 additional = params[:additional] || %{}
443 Map.merge(additional, %{"to" => [], "cc" => [account.ap_id]})
445 Map.merge(additional, %{"to" => [], "cc" => []})
448 with flag_data <- make_flag_data(params, additional),
449 {:ok, activity} <- insert(flag_data, local),
450 :ok <- maybe_federate(activity) do
451 Enum.each(User.all_superusers(), fn superuser ->
453 |> Pleroma.Emails.AdminEmail.report(actor, account, statuses, content)
454 |> Pleroma.Emails.Mailer.deliver_async()
461 def fetch_activities_for_context(context, opts \\ %{}) do
462 public = ["https://www.w3.org/ns/activitystreams#Public"]
465 if opts["user"], do: [opts["user"].ap_id | opts["user"].following] ++ public, else: public
467 query = from(activity in Activity)
471 |> restrict_blocked(opts)
472 |> restrict_recipients(recipients, opts["user"])
479 "?->>'type' = ? and ?->>'context' = ?",
485 order_by: [desc: :id]
487 |> Activity.with_preloaded_object()
492 def fetch_public_activities(opts \\ %{}) do
493 q = fetch_activities_query(["https://www.w3.org/ns/activitystreams#Public"], opts)
496 |> restrict_unlisted()
497 |> Pagination.fetch_paginated(opts)
501 @valid_visibilities ~w[direct unlisted public private]
503 defp restrict_visibility(query, %{visibility: visibility})
504 when is_list(visibility) do
505 if Enum.all?(visibility, &(&1 in @valid_visibilities)) do
511 "activity_visibility(?, ?, ?) = ANY (?)",
519 Ecto.Adapters.SQL.to_sql(:all, Repo, query)
523 Logger.error("Could not restrict visibility to #{visibility}")
527 defp restrict_visibility(query, %{visibility: visibility})
528 when visibility in @valid_visibilities do
533 fragment("activity_visibility(?, ?, ?) = ?", a.actor, a.recipients, a.data, ^visibility)
536 Ecto.Adapters.SQL.to_sql(:all, Repo, query)
541 defp restrict_visibility(_query, %{visibility: visibility})
542 when visibility not in @valid_visibilities do
543 Logger.error("Could not restrict visibility to #{visibility}")
546 defp restrict_visibility(query, _visibility), do: query
548 def fetch_user_activities(user, reading_user, params \\ %{}) do
551 |> Map.put("type", ["Create", "Announce"])
552 |> Map.put("actor_id", user.ap_id)
553 |> Map.put("whole_db", true)
554 |> Map.put("pinned_activity_ids", user.info.pinned_activities)
558 ["https://www.w3.org/ns/activitystreams#Public"] ++
559 [reading_user.ap_id | reading_user.following]
561 ["https://www.w3.org/ns/activitystreams#Public"]
564 fetch_activities(recipients, params)
568 defp restrict_since(query, %{"since_id" => ""}), do: query
570 defp restrict_since(query, %{"since_id" => since_id}) do
571 from(activity in query, where: activity.id > ^since_id)
574 defp restrict_since(query, _), do: query
576 defp restrict_tag_reject(query, %{"tag_reject" => tag_reject})
577 when is_list(tag_reject) and tag_reject != [] do
580 where: fragment(~s(\(not \(? #> '{"object","tag"}'\) \\?| ?\)), activity.data, ^tag_reject)
584 defp restrict_tag_reject(query, _), do: query
586 defp restrict_tag_all(query, %{"tag_all" => tag_all})
587 when is_list(tag_all) and tag_all != [] do
590 where: fragment(~s(\(? #> '{"object","tag"}'\) \\?& ?), activity.data, ^tag_all)
594 defp restrict_tag_all(query, _), do: query
596 defp restrict_tag(query, %{"tag" => tag}) when is_list(tag) do
599 where: fragment(~s(\(? #> '{"object","tag"}'\) \\?| ?), activity.data, ^tag)
603 defp restrict_tag(query, %{"tag" => tag}) when is_binary(tag) do
606 where: fragment(~s(? <@ (? #> '{"object","tag"}'\)), ^tag, activity.data)
610 defp restrict_tag(query, _), do: query
612 defp restrict_to_cc(query, recipients_to, recipients_cc) do
617 "(?->'to' \\?| ?) or (?->'cc' \\?| ?)",
626 defp restrict_recipients(query, [], _user), do: query
628 defp restrict_recipients(query, recipients, nil) do
629 from(activity in query, where: fragment("? && ?", ^recipients, activity.recipients))
632 defp restrict_recipients(query, recipients, user) do
635 where: fragment("? && ?", ^recipients, activity.recipients),
636 or_where: activity.actor == ^user.ap_id
640 defp restrict_local(query, %{"local_only" => true}) do
641 from(activity in query, where: activity.local == true)
644 defp restrict_local(query, _), do: query
646 defp restrict_actor(query, %{"actor_id" => actor_id}) do
647 from(activity in query, where: activity.actor == ^actor_id)
650 defp restrict_actor(query, _), do: query
652 defp restrict_type(query, %{"type" => type}) when is_binary(type) do
653 from(activity in query, where: fragment("?->>'type' = ?", activity.data, ^type))
656 defp restrict_type(query, %{"type" => type}) do
657 from(activity in query, where: fragment("?->>'type' = ANY(?)", activity.data, ^type))
660 defp restrict_type(query, _), do: query
662 defp restrict_favorited_by(query, %{"favorited_by" => ap_id}) do
665 where: fragment(~s(? <@ (? #> '{"object","likes"}'\)), ^ap_id, activity.data)
669 defp restrict_favorited_by(query, _), do: query
671 defp restrict_media(query, %{"only_media" => val}) when val == "true" or val == "1" do
674 where: fragment(~s(not (? #> '{"object","attachment"}' = ?\)), activity.data, ^[])
678 defp restrict_media(query, _), do: query
680 defp restrict_replies(query, %{"exclude_replies" => val}) when val == "true" or val == "1" do
683 where: fragment("?->'object'->>'inReplyTo' is null", activity.data)
687 defp restrict_replies(query, _), do: query
689 defp restrict_reblogs(query, %{"exclude_reblogs" => val}) when val == "true" or val == "1" do
690 from(activity in query, where: fragment("?->>'type' != 'Announce'", activity.data))
693 defp restrict_reblogs(query, _), do: query
695 defp restrict_muted(query, %{"with_muted" => val}) when val in [true, "true", "1"], do: query
697 defp restrict_muted(query, %{"muting_user" => %User{info: info}}) do
702 where: fragment("not (? = ANY(?))", activity.actor, ^mutes),
703 where: fragment("not (?->'to' \\?| ?)", activity.data, ^mutes)
707 defp restrict_muted(query, _), do: query
709 defp restrict_blocked(query, %{"blocking_user" => %User{info: info}}) do
710 blocks = info.blocks || []
711 domain_blocks = info.domain_blocks || []
715 where: fragment("not (? = ANY(?))", activity.actor, ^blocks),
716 where: fragment("not (?->'to' \\?| ?)", activity.data, ^blocks),
717 where: fragment("not (split_part(?, '/', 3) = ANY(?))", activity.actor, ^domain_blocks)
721 defp restrict_blocked(query, _), do: query
723 defp restrict_unlisted(query) do
728 "not (coalesce(?->'cc', '{}'::jsonb) \\?| ?)",
730 ^["https://www.w3.org/ns/activitystreams#Public"]
735 defp restrict_pinned(query, %{"pinned" => "true", "pinned_activity_ids" => ids}) do
736 from(activity in query, where: activity.id in ^ids)
739 defp restrict_pinned(query, _), do: query
741 defp restrict_muted_reblogs(query, %{"muting_user" => %User{info: info}}) do
742 muted_reblogs = info.muted_reblogs || []
748 "not ( ?->>'type' = 'Announce' and ? = ANY(?))",
756 defp restrict_muted_reblogs(query, _), do: query
758 defp maybe_preload_objects(query, %{"skip_preload" => true}), do: query
760 defp maybe_preload_objects(query, _) do
762 |> Activity.with_preloaded_object()
765 def fetch_activities_query(recipients, opts \\ %{}) do
766 base_query = from(activity in Activity)
769 |> maybe_preload_objects(opts)
770 |> restrict_recipients(recipients, opts["user"])
771 |> restrict_tag(opts)
772 |> restrict_tag_reject(opts)
773 |> restrict_tag_all(opts)
774 |> restrict_since(opts)
775 |> restrict_local(opts)
776 |> restrict_actor(opts)
777 |> restrict_type(opts)
778 |> restrict_favorited_by(opts)
779 |> restrict_blocked(opts)
780 |> restrict_muted(opts)
781 |> restrict_media(opts)
782 |> restrict_visibility(opts)
783 |> restrict_replies(opts)
784 |> restrict_reblogs(opts)
785 |> restrict_pinned(opts)
786 |> restrict_muted_reblogs(opts)
789 def fetch_activities(recipients, opts \\ %{}) do
790 fetch_activities_query(recipients, opts)
791 |> Pagination.fetch_paginated(opts)
795 def fetch_activities_bounded(recipients_to, recipients_cc, opts \\ %{}) do
796 fetch_activities_query([], opts)
797 |> restrict_to_cc(recipients_to, recipients_cc)
798 |> Pagination.fetch_paginated(opts)
802 def upload(file, opts \\ []) do
803 with {:ok, data} <- Upload.store(file, opts) do
806 Map.put(data, "actor", opts[:actor])
811 Repo.insert(%Object{data: obj_data})
815 def user_data_from_user_object(data) do
817 data["icon"]["url"] &&
820 "url" => [%{"href" => data["icon"]["url"]}]
824 data["image"]["url"] &&
827 "url" => [%{"href" => data["image"]["url"]}]
830 locked = data["manuallyApprovesFollowers"] || false
831 data = Transmogrifier.maybe_fix_user_object(data)
836 "ap_enabled" => true,
837 "source_data" => data,
843 follower_address: data["followers"],
847 # nickname can be nil because of virtual actors
849 if data["preferredUsername"] do
853 "#{data["preferredUsername"]}@#{URI.parse(data["id"]).host}"
856 Map.put(user_data, :nickname, nil)
862 def fetch_and_prepare_user_from_ap_id(ap_id) do
863 with {:ok, data} <- fetch_and_contain_remote_object_from_id(ap_id) do
864 user_data_from_user_object(data)
866 e -> Logger.error("Could not decode user at fetch #{ap_id}, #{inspect(e)}")
870 def make_user_from_ap_id(ap_id) do
871 if _user = User.get_by_ap_id(ap_id) do
872 Transmogrifier.upgrade_user_from_ap_id(ap_id)
874 with {:ok, data} <- fetch_and_prepare_user_from_ap_id(ap_id) do
875 User.insert_or_update_user(data)
882 def make_user_from_nickname(nickname) do
883 with {:ok, %{"ap_id" => ap_id}} when not is_nil(ap_id) <- WebFinger.finger(nickname) do
884 make_user_from_ap_id(ap_id)
886 _e -> {:error, "No AP id in WebFinger"}
890 def should_federate?(inbox, public) do
894 inbox_info = URI.parse(inbox)
895 !Enum.member?(Pleroma.Config.get([:instance, :quarantined_instances], []), inbox_info.host)
899 def publish(actor, activity) do
901 if actor.follower_address in activity.recipients do
902 {:ok, followers} = User.get_followers(actor)
903 followers |> Enum.filter(&(!&1.local))
908 public = is_public?(activity)
910 {:ok, data} = Transmogrifier.prepare_outgoing(activity.data)
911 json = Jason.encode!(data)
913 (Pleroma.Web.Salmon.remote_users(activity) ++ remote_followers)
914 |> Enum.filter(fn user -> User.ap_enabled?(user) end)
915 |> Enum.map(fn %{info: %{source_data: data}} ->
916 (is_map(data["endpoints"]) && Map.get(data["endpoints"], "sharedInbox")) || data["inbox"]
919 |> Enum.filter(fn inbox -> should_federate?(inbox, public) end)
920 |> Instances.filter_reachable()
921 |> Enum.each(fn {inbox, unreachable_since} ->
922 Federator.publish_single_ap(%{
926 id: activity.data["id"],
927 unreachable_since: unreachable_since
932 def publish_one(%{inbox: inbox, json: json, actor: actor, id: id} = params) do
933 Logger.info("Federating #{id} to #{inbox}")
934 host = URI.parse(inbox).host
936 digest = "SHA-256=" <> (:crypto.hash(:sha256, json) |> Base.encode64())
939 NaiveDateTime.utc_now()
940 |> Timex.format!("{WDshort}, {0D} {Mshort} {YYYY} {h24}:{m}:{s} GMT")
943 Pleroma.Web.HTTPSignatures.sign(actor, %{
945 "content-length": byte_size(json),
950 with {:ok, %{status: code}} when code in 200..299 <-
956 {"Content-Type", "application/activity+json"},
958 {"signature", signature},
962 if !Map.has_key?(params, :unreachable_since) || params[:unreachable_since],
963 do: Instances.set_reachable(inbox)
967 {_post_result, response} ->
968 unless params[:unreachable_since], do: Instances.set_unreachable(inbox)
974 # This will create a Create activity, which we need internally at the moment.
975 def fetch_object_from_id(id) do
976 if object = Object.get_cached_by_ap_id(id) do
979 with {:ok, data} <- fetch_and_contain_remote_object_from_id(id),
980 nil <- Object.normalize(data),
985 "actor" => data["actor"] || data["attributedTo"],
988 :ok <- Transmogrifier.contain_origin(id, params),
989 {:ok, activity} <- Transmogrifier.handle_incoming(params) do
990 {:ok, Object.normalize(activity)}
992 {:error, {:reject, nil}} ->
995 object = %Object{} ->
999 Logger.info("Couldn't get object via AP, trying out OStatus fetching...")
1001 case OStatus.fetch_activity_from_url(id) do
1002 {:ok, [activity | _]} -> {:ok, Object.normalize(activity)}
1009 def fetch_and_contain_remote_object_from_id(id) do
1010 Logger.info("Fetching object #{id} via AP")
1012 with true <- String.starts_with?(id, "http"),
1013 {:ok, %{body: body, status: code}} when code in 200..299 <-
1016 [{:Accept, "application/activity+json"}]
1018 {:ok, data} <- Jason.decode(body),
1019 :ok <- Transmogrifier.contain_origin_from_id(id, data) do
1027 # filter out broken threads
1028 def contain_broken_threads(%Activity{} = activity, %User{} = user) do
1029 entire_thread_visible_for_user?(activity, user)
1032 # do post-processing on a specific activity
1033 def contain_activity(%Activity{} = activity, %User{} = user) do
1034 contain_broken_threads(activity, user)
1037 # do post-processing on a timeline
1038 def contain_timeline(timeline, user) do
1040 |> Enum.filter(fn activity ->
1041 contain_activity(activity, user)