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
13 alias Pleroma.Web.ActivityPub.MRF
14 alias Pleroma.Web.ActivityPub.Transmogrifier
15 alias Pleroma.Web.Federator
16 alias Pleroma.Web.OStatus
17 alias Pleroma.Web.WebFinger
20 import Pleroma.Web.ActivityPub.Utils
21 import Pleroma.Web.ActivityPub.Visibility
25 @httpoison Application.get_env(:pleroma, :httpoison)
27 # For Announce activities, we filter the recipients based on following status for any actors
28 # that match actual users. See issue #164 for more information about why this is necessary.
29 defp get_recipients(%{"type" => "Announce"} = data) do
32 actor = User.get_cached_by_ap_id(data["actor"])
36 |> Enum.filter(fn recipient ->
37 case User.get_cached_by_ap_id(recipient) do
42 User.following?(user, actor)
49 defp get_recipients(%{"type" => "Create"} = data) do
52 actor = data["actor"] || []
53 recipients = (to ++ cc ++ [actor]) |> Enum.uniq()
57 defp get_recipients(data) do
64 defp check_actor_is_active(actor) do
65 if not is_nil(actor) do
66 with user <- User.get_cached_by_ap_id(actor),
67 false <- user.info.deactivated do
77 defp check_remote_limit(%{"object" => %{"content" => content}}) when not is_nil(content) do
78 limit = Pleroma.Config.get([:instance, :remote_limit])
79 String.length(content) <= limit
82 defp check_remote_limit(_), do: true
84 def increase_note_count_if_public(actor, object) do
85 if is_public?(object), do: User.increase_note_count(actor), else: {:ok, actor}
88 def decrease_note_count_if_public(actor, object) do
89 if is_public?(object), do: User.decrease_note_count(actor), else: {:ok, actor}
92 def increase_replies_count_if_reply(%{
94 %{"inReplyTo" => reply_ap_id, "inReplyToStatusId" => reply_status_id} = object,
97 if is_public?(object) do
98 Activity.increase_replies_count(reply_status_id)
99 Object.increase_replies_count(reply_ap_id)
103 def increase_replies_count_if_reply(_create_data), do: :noop
105 def decrease_replies_count_if_reply(%Object{
106 data: %{"inReplyTo" => reply_ap_id, "inReplyToStatusId" => reply_status_id} = object
108 if is_public?(object) do
109 Activity.decrease_replies_count(reply_status_id)
110 Object.decrease_replies_count(reply_ap_id)
114 def decrease_replies_count_if_reply(_object), do: :noop
116 def insert(map, local \\ true, fake \\ false) when is_map(map) do
117 with nil <- Activity.normalize(map),
118 map <- lazy_put_activity_defaults(map, fake),
119 :ok <- check_actor_is_active(map["actor"]),
120 {_, true} <- {:remote_limit_error, 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 {:ok, object} <- insert_full_object(map) do
126 Repo.insert(%Activity{
130 recipients: recipients
133 # Splice in the child object if we have one.
135 if !is_nil(object) do
136 Map.put(activity, :object, object)
142 Pleroma.Web.RichMedia.Helpers.fetch_data_for_activity(activity)
145 Notification.create_notifications(activity)
149 %Activity{} = activity ->
152 {:fake, true, map, recipients} ->
155 |> put_in(["object", "fake"], true)
157 activity = %Activity{
161 recipients: recipients,
165 Pleroma.Web.RichMedia.Helpers.fetch_data_for_activity(activity)
173 def stream_out(activity) do
174 public = "https://www.w3.org/ns/activitystreams#Public"
176 if activity.data["type"] in ["Create", "Announce", "Delete"] do
177 Pleroma.Web.Streamer.stream("user", activity)
178 Pleroma.Web.Streamer.stream("list", activity)
180 if Enum.member?(activity.data["to"], public) do
181 Pleroma.Web.Streamer.stream("public", activity)
184 Pleroma.Web.Streamer.stream("public:local", activity)
187 if activity.data["type"] in ["Create"] do
188 activity.data["object"]
189 |> Map.get("tag", [])
190 |> Enum.filter(fn tag -> is_bitstring(tag) end)
191 |> Enum.each(fn tag -> Pleroma.Web.Streamer.stream("hashtag:" <> tag, activity) end)
193 if activity.data["object"]["attachment"] != [] do
194 Pleroma.Web.Streamer.stream("public:media", activity)
197 Pleroma.Web.Streamer.stream("public:local:media", activity)
202 if !Enum.member?(activity.data["cc"] || [], public) &&
205 User.get_by_ap_id(activity.data["actor"]).follower_address
207 do: Pleroma.Web.Streamer.stream("direct", activity)
212 def create(%{to: to, actor: actor, context: context, object: object} = params, fake \\ false) do
213 additional = params[:additional] || %{}
214 # only accept false as false value
215 local = !(params[:local] == false)
216 published = params[:published]
220 %{to: to, actor: actor, published: published, context: context, object: object},
223 {:ok, activity} <- insert(create_data, local, fake),
224 {:fake, false, activity} <- {:fake, fake, activity},
225 _ <- increase_replies_count_if_reply(create_data),
226 # Changing note count prior to enqueuing federation task in order to avoid
227 # race conditions on updating user.info
228 {:ok, _actor} <- increase_note_count_if_public(actor, activity),
229 :ok <- maybe_federate(activity) do
232 {:fake, true, activity} ->
237 def accept(%{to: to, actor: actor, object: object} = params) do
238 # only accept false as false value
239 local = !(params[:local] == false)
241 with data <- %{"to" => to, "type" => "Accept", "actor" => actor.ap_id, "object" => object},
242 {:ok, activity} <- insert(data, local),
243 :ok <- maybe_federate(activity) do
248 def reject(%{to: to, actor: actor, object: object} = params) do
249 # only accept false as false value
250 local = !(params[:local] == false)
252 with data <- %{"to" => to, "type" => "Reject", "actor" => actor.ap_id, "object" => object},
253 {:ok, activity} <- insert(data, local),
254 :ok <- maybe_federate(activity) do
259 def update(%{to: to, cc: cc, actor: actor, object: object} = params) do
260 # only accept false as false value
261 local = !(params[:local] == false)
270 {:ok, activity} <- insert(data, local),
271 :ok <- maybe_federate(activity) do
276 # TODO: This is weird, maybe we shouldn't check here if we can make the activity.
278 %User{ap_id: ap_id} = user,
279 %Object{data: %{"id" => _}} = object,
283 with nil <- get_existing_like(ap_id, object),
284 like_data <- make_like_data(user, object, activity_id),
285 {:ok, activity} <- insert(like_data, local),
286 {:ok, object} <- add_like_to_object(activity, object),
287 :ok <- maybe_federate(activity) do
288 {:ok, activity, object}
290 %Activity{} = activity -> {:ok, activity, object}
291 error -> {:error, error}
301 with %Activity{} = like_activity <- get_existing_like(actor.ap_id, object),
302 unlike_data <- make_unlike_data(actor, like_activity, activity_id),
303 {:ok, unlike_activity} <- insert(unlike_data, local),
304 {:ok, _activity} <- Repo.delete(like_activity),
305 {:ok, object} <- remove_like_from_object(like_activity, object),
306 :ok <- maybe_federate(unlike_activity) do
307 {:ok, unlike_activity, like_activity, object}
314 %User{ap_id: _} = user,
315 %Object{data: %{"id" => _}} = object,
320 with true <- is_public?(object),
321 announce_data <- make_announce_data(user, object, activity_id, public),
322 {:ok, activity} <- insert(announce_data, local),
323 {:ok, object} <- add_announce_to_object(activity, object),
324 :ok <- maybe_federate(activity) do
325 {:ok, activity, object}
327 error -> {:error, error}
337 with %Activity{} = announce_activity <- get_existing_announce(actor.ap_id, object),
338 unannounce_data <- make_unannounce_data(actor, announce_activity, activity_id),
339 {:ok, unannounce_activity} <- insert(unannounce_data, local),
340 :ok <- maybe_federate(unannounce_activity),
341 {:ok, _activity} <- Repo.delete(announce_activity),
342 {:ok, object} <- remove_announce_from_object(announce_activity, object) do
343 {:ok, unannounce_activity, object}
349 def follow(follower, followed, activity_id \\ nil, local \\ true) do
350 with data <- make_follow_data(follower, followed, activity_id),
351 {:ok, activity} <- insert(data, local),
352 :ok <- maybe_federate(activity) do
357 def unfollow(follower, followed, activity_id \\ nil, local \\ true) do
358 with %Activity{} = follow_activity <- fetch_latest_follow(follower, followed),
359 {:ok, follow_activity} <- update_follow_state(follow_activity, "cancelled"),
360 unfollow_data <- make_unfollow_data(follower, followed, follow_activity, activity_id),
361 {:ok, activity} <- insert(unfollow_data, local),
362 :ok <- maybe_federate(activity) do
367 def delete(%Object{data: %{"id" => id, "actor" => actor}} = object, local \\ true) do
368 user = User.get_cached_by_ap_id(actor)
369 to = (object.data["to"] || []) ++ (object.data["cc"] || [])
371 with {:ok, object, activity} <- Object.delete(object),
377 "deleted_activity_id" => activity && activity.id
379 {:ok, activity} <- insert(data, local),
380 _ <- decrease_replies_count_if_reply(object),
381 # Changing note count prior to enqueuing federation task in order to avoid
382 # race conditions on updating user.info
383 {:ok, _actor} <- decrease_note_count_if_public(user, object),
384 :ok <- maybe_federate(activity) do
389 def block(blocker, blocked, activity_id \\ nil, local \\ true) do
390 ap_config = Application.get_env(:pleroma, :activitypub)
391 unfollow_blocked = Keyword.get(ap_config, :unfollow_blocked)
392 outgoing_blocks = Keyword.get(ap_config, :outgoing_blocks)
394 with true <- unfollow_blocked do
395 follow_activity = fetch_latest_follow(blocker, blocked)
397 if follow_activity do
398 unfollow(blocker, blocked, nil, local)
402 with true <- outgoing_blocks,
403 block_data <- make_block_data(blocker, blocked, activity_id),
404 {:ok, activity} <- insert(block_data, local),
405 :ok <- maybe_federate(activity) do
412 def unblock(blocker, blocked, activity_id \\ nil, local \\ true) do
413 with %Activity{} = block_activity <- fetch_latest_block(blocker, blocked),
414 unblock_data <- make_unblock_data(blocker, blocked, block_activity, activity_id),
415 {:ok, activity} <- insert(unblock_data, local),
416 :ok <- maybe_federate(activity) do
430 # only accept false as false value
431 local = !(params[:local] == false)
432 forward = !(params[:forward] == false)
434 additional = params[:additional] || %{}
446 Map.merge(additional, %{"to" => [], "cc" => [account.ap_id]})
448 Map.merge(additional, %{"to" => [], "cc" => []})
451 with flag_data <- make_flag_data(params, additional),
452 {:ok, activity} <- insert(flag_data, local),
453 :ok <- maybe_federate(activity) do
454 Enum.each(User.all_superusers(), fn superuser ->
456 |> Pleroma.AdminEmail.report(actor, account, statuses, content)
457 |> Pleroma.Mailer.deliver_async()
464 def fetch_activities_for_context(context, opts \\ %{}) do
465 public = ["https://www.w3.org/ns/activitystreams#Public"]
468 if opts["user"], do: [opts["user"].ap_id | opts["user"].following] ++ public, else: public
470 query = from(activity in Activity)
474 |> restrict_blocked(opts)
475 |> restrict_recipients(recipients, opts["user"])
482 "?->>'type' = ? and ?->>'context' = ?",
488 order_by: [desc: :id]
490 |> Activity.with_preloaded_object()
495 def fetch_public_activities(opts \\ %{}) do
496 q = fetch_activities_query(["https://www.w3.org/ns/activitystreams#Public"], opts)
499 |> restrict_unlisted()
504 @valid_visibilities ~w[direct unlisted public private]
506 defp restrict_visibility(query, %{visibility: visibility})
507 when is_list(visibility) do
508 if Enum.all?(visibility, &(&1 in @valid_visibilities)) do
514 "activity_visibility(?, ?, ?) = ANY (?)",
522 Ecto.Adapters.SQL.to_sql(:all, Repo, query)
526 Logger.error("Could not restrict visibility to #{visibility}")
530 defp restrict_visibility(query, %{visibility: visibility})
531 when visibility in @valid_visibilities do
536 fragment("activity_visibility(?, ?, ?) = ?", a.actor, a.recipients, a.data, ^visibility)
539 Ecto.Adapters.SQL.to_sql(:all, Repo, query)
544 defp restrict_visibility(_query, %{visibility: visibility})
545 when visibility not in @valid_visibilities do
546 Logger.error("Could not restrict visibility to #{visibility}")
549 defp restrict_visibility(query, _visibility), do: query
551 def fetch_user_activities(user, reading_user, params \\ %{}) do
554 |> Map.put("type", ["Create", "Announce"])
555 |> Map.put("actor_id", user.ap_id)
556 |> Map.put("whole_db", true)
557 |> Map.put("pinned_activity_ids", user.info.pinned_activities)
561 ["https://www.w3.org/ns/activitystreams#Public"] ++
562 [reading_user.ap_id | reading_user.following]
564 ["https://www.w3.org/ns/activitystreams#Public"]
567 fetch_activities(recipients, params)
571 defp restrict_since(query, %{"since_id" => ""}), do: query
573 defp restrict_since(query, %{"since_id" => since_id}) do
574 from(activity in query, where: activity.id > ^since_id)
577 defp restrict_since(query, _), do: query
579 defp restrict_tag_reject(query, %{"tag_reject" => tag_reject})
580 when is_list(tag_reject) and tag_reject != [] do
583 where: fragment(~s(\(not \(? #> '{"object","tag"}'\) \\?| ?\)), activity.data, ^tag_reject)
587 defp restrict_tag_reject(query, _), do: query
589 defp restrict_tag_all(query, %{"tag_all" => tag_all})
590 when is_list(tag_all) and tag_all != [] do
593 where: fragment(~s(\(? #> '{"object","tag"}'\) \\?& ?), activity.data, ^tag_all)
597 defp restrict_tag_all(query, _), do: query
599 defp restrict_tag(query, %{"tag" => tag}) when is_list(tag) do
602 where: fragment(~s(\(? #> '{"object","tag"}'\) \\?| ?), activity.data, ^tag)
606 defp restrict_tag(query, %{"tag" => tag}) when is_binary(tag) do
609 where: fragment(~s(? <@ (? #> '{"object","tag"}'\)), ^tag, activity.data)
613 defp restrict_tag(query, _), do: query
615 defp restrict_to_cc(query, recipients_to, recipients_cc) do
620 "(?->'to' \\?| ?) or (?->'cc' \\?| ?)",
629 defp restrict_recipients(query, [], _user), do: query
631 defp restrict_recipients(query, recipients, nil) do
632 from(activity in query, where: fragment("? && ?", ^recipients, activity.recipients))
635 defp restrict_recipients(query, recipients, user) do
638 where: fragment("? && ?", ^recipients, activity.recipients),
639 or_where: activity.actor == ^user.ap_id
643 defp restrict_limit(query, %{"limit" => limit}) do
644 from(activity in query, limit: ^limit)
647 defp restrict_limit(query, _), do: query
649 defp restrict_local(query, %{"local_only" => true}) do
650 from(activity in query, where: activity.local == true)
653 defp restrict_local(query, _), do: query
655 defp restrict_max(query, %{"max_id" => ""}), do: query
657 defp restrict_max(query, %{"max_id" => max_id}) do
658 from(activity in query, where: activity.id < ^max_id)
661 defp restrict_max(query, _), do: query
663 defp restrict_actor(query, %{"actor_id" => actor_id}) do
664 from(activity in query, where: activity.actor == ^actor_id)
667 defp restrict_actor(query, _), do: query
669 defp restrict_type(query, %{"type" => type}) when is_binary(type) do
670 from(activity in query, where: fragment("?->>'type' = ?", activity.data, ^type))
673 defp restrict_type(query, %{"type" => type}) do
674 from(activity in query, where: fragment("?->>'type' = ANY(?)", activity.data, ^type))
677 defp restrict_type(query, _), do: query
679 defp restrict_favorited_by(query, %{"favorited_by" => ap_id}) do
682 where: fragment(~s(? <@ (? #> '{"object","likes"}'\)), ^ap_id, activity.data)
686 defp restrict_favorited_by(query, _), do: query
688 defp restrict_media(query, %{"only_media" => val}) when val == "true" or val == "1" do
691 where: fragment(~s(not (? #> '{"object","attachment"}' = ?\)), activity.data, ^[])
695 defp restrict_media(query, _), do: query
697 defp restrict_replies(query, %{"exclude_replies" => val}) when val == "true" or val == "1" do
700 where: fragment("?->'object'->>'inReplyTo' is null", activity.data)
704 defp restrict_replies(query, _), do: query
706 defp restrict_reblogs(query, %{"exclude_reblogs" => val}) when val == "true" or val == "1" do
707 from(activity in query, where: fragment("?->>'type' != 'Announce'", activity.data))
710 defp restrict_reblogs(query, _), do: query
712 defp restrict_muted(query, %{"with_muted" => val}) when val in [true, "true", "1"], do: query
714 defp restrict_muted(query, %{"muting_user" => %User{info: info}}) do
719 where: fragment("not (? = ANY(?))", activity.actor, ^mutes),
720 where: fragment("not (?->'to' \\?| ?)", activity.data, ^mutes)
724 defp restrict_muted(query, _), do: query
726 defp restrict_blocked(query, %{"blocking_user" => %User{info: info}}) do
727 blocks = info.blocks || []
728 domain_blocks = info.domain_blocks || []
732 where: fragment("not (? = ANY(?))", activity.actor, ^blocks),
733 where: fragment("not (?->'to' \\?| ?)", activity.data, ^blocks),
734 where: fragment("not (split_part(?, '/', 3) = ANY(?))", activity.actor, ^domain_blocks)
738 defp restrict_blocked(query, _), do: query
740 defp restrict_unlisted(query) do
745 "not (coalesce(?->'cc', '{}'::jsonb) \\?| ?)",
747 ^["https://www.w3.org/ns/activitystreams#Public"]
752 defp restrict_pinned(query, %{"pinned" => "true", "pinned_activity_ids" => ids}) do
753 from(activity in query, where: activity.id in ^ids)
756 defp restrict_pinned(query, _), do: query
758 defp restrict_muted_reblogs(query, %{"muting_user" => %User{info: info}}) do
759 muted_reblogs = info.muted_reblogs || []
765 "not ( ?->>'type' = 'Announce' and ? = ANY(?))",
773 defp restrict_muted_reblogs(query, _), do: query
775 defp maybe_preload_objects(query, %{"skip_preload" => true}), do: query
777 defp maybe_preload_objects(query, _) do
779 |> Activity.with_preloaded_object()
782 def fetch_activities_query(recipients, opts \\ %{}) do
785 activity in Activity,
787 order_by: [fragment("? desc nulls last", activity.id)]
791 |> maybe_preload_objects(opts)
792 |> restrict_recipients(recipients, opts["user"])
793 |> restrict_tag(opts)
794 |> restrict_tag_reject(opts)
795 |> restrict_tag_all(opts)
796 |> restrict_since(opts)
797 |> restrict_local(opts)
798 |> restrict_limit(opts)
799 |> restrict_max(opts)
800 |> restrict_actor(opts)
801 |> restrict_type(opts)
802 |> restrict_favorited_by(opts)
803 |> restrict_blocked(opts)
804 |> restrict_muted(opts)
805 |> restrict_media(opts)
806 |> restrict_visibility(opts)
807 |> restrict_replies(opts)
808 |> restrict_reblogs(opts)
809 |> restrict_pinned(opts)
810 |> restrict_muted_reblogs(opts)
813 def fetch_activities(recipients, opts \\ %{}) do
814 fetch_activities_query(recipients, opts)
819 def fetch_activities_bounded(recipients_to, recipients_cc, opts \\ %{}) do
820 fetch_activities_query([], opts)
821 |> restrict_to_cc(recipients_to, recipients_cc)
826 def upload(file, opts \\ []) do
827 with {:ok, data} <- Upload.store(file, opts) do
830 Map.put(data, "actor", opts[:actor])
835 Repo.insert(%Object{data: obj_data})
839 def user_data_from_user_object(data) do
841 data["icon"]["url"] &&
844 "url" => [%{"href" => data["icon"]["url"]}]
848 data["image"]["url"] &&
851 "url" => [%{"href" => data["image"]["url"]}]
854 locked = data["manuallyApprovesFollowers"] || false
855 data = Transmogrifier.maybe_fix_user_object(data)
860 "ap_enabled" => true,
861 "source_data" => data,
867 follower_address: data["followers"],
871 # nickname can be nil because of virtual actors
873 if data["preferredUsername"] do
877 "#{data["preferredUsername"]}@#{URI.parse(data["id"]).host}"
880 Map.put(user_data, :nickname, nil)
886 def fetch_and_prepare_user_from_ap_id(ap_id) do
887 with {:ok, data} <- fetch_and_contain_remote_object_from_id(ap_id) do
888 user_data_from_user_object(data)
890 e -> Logger.error("Could not decode user at fetch #{ap_id}, #{inspect(e)}")
894 def make_user_from_ap_id(ap_id) do
895 if _user = User.get_by_ap_id(ap_id) do
896 Transmogrifier.upgrade_user_from_ap_id(ap_id)
898 with {:ok, data} <- fetch_and_prepare_user_from_ap_id(ap_id) do
899 User.insert_or_update_user(data)
906 def make_user_from_nickname(nickname) do
907 with {:ok, %{"ap_id" => ap_id}} when not is_nil(ap_id) <- WebFinger.finger(nickname) do
908 make_user_from_ap_id(ap_id)
910 _e -> {:error, "No AP id in WebFinger"}
914 def should_federate?(inbox, public) do
918 inbox_info = URI.parse(inbox)
919 !Enum.member?(Pleroma.Config.get([:instance, :quarantined_instances], []), inbox_info.host)
923 def publish(actor, activity) do
925 if actor.follower_address in activity.recipients do
926 {:ok, followers} = User.get_followers(actor)
927 followers |> Enum.filter(&(!&1.local))
932 public = is_public?(activity)
934 {:ok, data} = Transmogrifier.prepare_outgoing(activity.data)
935 json = Jason.encode!(data)
937 (Pleroma.Web.Salmon.remote_users(activity) ++ remote_followers)
938 |> Enum.filter(fn user -> User.ap_enabled?(user) end)
939 |> Enum.map(fn %{info: %{source_data: data}} ->
940 (is_map(data["endpoints"]) && Map.get(data["endpoints"], "sharedInbox")) || data["inbox"]
943 |> Enum.filter(fn inbox -> should_federate?(inbox, public) end)
944 |> Instances.filter_reachable()
945 |> Enum.each(fn {inbox, unreachable_since} ->
946 Federator.publish_single_ap(%{
950 id: activity.data["id"],
951 unreachable_since: unreachable_since
956 def publish_one(%{inbox: inbox, json: json, actor: actor, id: id} = params) do
957 Logger.info("Federating #{id} to #{inbox}")
958 host = URI.parse(inbox).host
960 digest = "SHA-256=" <> (:crypto.hash(:sha256, json) |> Base.encode64())
963 NaiveDateTime.utc_now()
964 |> Timex.format!("{WDshort}, {0D} {Mshort} {YYYY} {h24}:{m}:{s} GMT")
967 Pleroma.Web.HTTPSignatures.sign(actor, %{
969 "content-length": byte_size(json),
974 with {:ok, %{status: code}} when code in 200..299 <-
980 {"Content-Type", "application/activity+json"},
982 {"signature", signature},
986 if !Map.has_key?(params, :unreachable_since) || params[:unreachable_since],
987 do: Instances.set_reachable(inbox)
991 {_post_result, response} ->
992 unless params[:unreachable_since], do: Instances.set_unreachable(inbox)
998 # This will create a Create activity, which we need internally at the moment.
999 def fetch_object_from_id(id) do
1000 if object = Object.get_cached_by_ap_id(id) do
1003 with {:ok, data} <- fetch_and_contain_remote_object_from_id(id),
1004 nil <- Object.normalize(data),
1009 "actor" => data["actor"] || data["attributedTo"],
1012 :ok <- Transmogrifier.contain_origin(id, params),
1013 {:ok, activity} <- Transmogrifier.handle_incoming(params) do
1014 {:ok, Object.normalize(activity)}
1016 {:error, {:reject, nil}} ->
1019 object = %Object{} ->
1023 Logger.info("Couldn't get object via AP, trying out OStatus fetching...")
1025 case OStatus.fetch_activity_from_url(id) do
1026 {:ok, [activity | _]} -> {:ok, Object.normalize(activity)}
1033 def fetch_and_contain_remote_object_from_id(id) do
1034 Logger.info("Fetching object #{id} via AP")
1036 with true <- String.starts_with?(id, "http"),
1037 {:ok, %{body: body, status: code}} when code in 200..299 <-
1040 [{:Accept, "application/activity+json"}]
1042 {:ok, data} <- Jason.decode(body),
1043 :ok <- Transmogrifier.contain_origin_from_id(id, data) do
1051 # filter out broken threads
1052 def contain_broken_threads(%Activity{} = activity, %User{} = user) do
1053 entire_thread_visible_for_user?(activity, user)
1056 # do post-processing on a specific activity
1057 def contain_activity(%Activity{} = activity, %User{} = user) do
1058 contain_broken_threads(activity, user)
1061 # do post-processing on a timeline
1062 def contain_timeline(timeline, user) do
1064 |> Enum.filter(fn activity ->
1065 contain_activity(activity, user)