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.Conversation
8 alias Pleroma.Instances
9 alias Pleroma.Notification
11 alias Pleroma.Object.Fetcher
12 alias Pleroma.Pagination
16 alias Pleroma.Web.ActivityPub.MRF
17 alias Pleroma.Web.ActivityPub.Transmogrifier
18 alias Pleroma.Web.Federator
19 alias Pleroma.Web.WebFinger
22 import Pleroma.Web.ActivityPub.Utils
23 import Pleroma.Web.ActivityPub.Visibility
27 @httpoison Application.get_env(:pleroma, :httpoison)
29 # For Announce activities, we filter the recipients based on following status for any actors
30 # that match actual users. See issue #164 for more information about why this is necessary.
31 defp get_recipients(%{"type" => "Announce"} = data) do
34 actor = User.get_cached_by_ap_id(data["actor"])
38 |> Enum.filter(fn recipient ->
39 case User.get_cached_by_ap_id(recipient) do
44 User.following?(user, actor)
51 defp get_recipients(%{"type" => "Create"} = data) do
54 actor = data["actor"] || []
55 recipients = (to ++ cc ++ [actor]) |> Enum.uniq()
59 defp get_recipients(data) do
66 defp check_actor_is_active(actor) do
67 if not is_nil(actor) do
68 with user <- User.get_cached_by_ap_id(actor),
69 false <- user.info.deactivated do
79 defp check_remote_limit(%{"object" => %{"content" => content}}) when not is_nil(content) do
80 limit = Pleroma.Config.get([:instance, :remote_limit])
81 String.length(content) <= limit
84 defp check_remote_limit(_), do: true
86 def increase_note_count_if_public(actor, object) do
87 if is_public?(object), do: User.increase_note_count(actor), else: {:ok, actor}
90 def decrease_note_count_if_public(actor, object) do
91 if is_public?(object), do: User.decrease_note_count(actor), else: {:ok, actor}
94 def increase_replies_count_if_reply(%{
95 "object" => %{"inReplyTo" => reply_ap_id} = object,
98 if is_public?(object) do
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} = object
108 if is_public?(object) do
109 Object.decrease_replies_count(reply_ap_id)
113 def decrease_replies_count_if_reply(_object), do: :noop
115 def insert(map, local \\ true, fake \\ false) when is_map(map) do
116 with nil <- Activity.normalize(map),
117 map <- lazy_put_activity_defaults(map, fake),
118 :ok <- check_actor_is_active(map["actor"]),
119 {_, true} <- {:remote_limit_error, check_remote_limit(map)},
120 {:ok, map} <- MRF.filter(map),
121 {recipients, _, _} = get_recipients(map),
122 {:fake, false, map, recipients} <- {:fake, fake, map, recipients},
123 {:ok, map, object} <- insert_full_object(map) do
125 Repo.insert(%Activity{
129 recipients: recipients
132 # Splice in the child object if we have one.
134 if !is_nil(object) do
135 Map.put(activity, :object, object)
141 Pleroma.Web.RichMedia.Helpers.fetch_data_for_activity(activity)
144 Notification.create_notifications(activity)
145 Conversation.create_or_bump_for(activity)
149 %Activity{} = activity ->
152 {:fake, true, map, recipients} ->
153 activity = %Activity{
157 recipients: recipients,
161 Pleroma.Web.RichMedia.Helpers.fetch_data_for_activity(activity)
169 def stream_out(activity) do
170 public = "https://www.w3.org/ns/activitystreams#Public"
172 if activity.data["type"] in ["Create", "Announce", "Delete"] do
173 Pleroma.Web.Streamer.stream("user", activity)
174 Pleroma.Web.Streamer.stream("list", activity)
176 if Enum.member?(activity.data["to"], public) do
177 Pleroma.Web.Streamer.stream("public", activity)
180 Pleroma.Web.Streamer.stream("public:local", activity)
183 if activity.data["type"] in ["Create"] do
184 object = Object.normalize(activity)
187 |> Map.get("tag", [])
188 |> Enum.filter(fn tag -> is_bitstring(tag) end)
189 |> Enum.each(fn tag -> Pleroma.Web.Streamer.stream("hashtag:" <> tag, activity) end)
191 if object.data["attachment"] != [] do
192 Pleroma.Web.Streamer.stream("public:media", activity)
195 Pleroma.Web.Streamer.stream("public:local:media", activity)
200 if !Enum.member?(activity.data["cc"] || [], public) &&
203 User.get_cached_by_ap_id(activity.data["actor"]).follower_address
205 do: Pleroma.Web.Streamer.stream("direct", activity)
210 def create(%{to: to, actor: actor, context: context, object: object} = params, fake \\ false) do
211 additional = params[:additional] || %{}
212 # only accept false as false value
213 local = !(params[:local] == false)
214 published = params[:published]
218 %{to: to, actor: actor, published: published, context: context, object: object},
221 {:ok, activity} <- insert(create_data, local, fake),
222 {:fake, false, activity} <- {:fake, fake, activity},
223 _ <- increase_replies_count_if_reply(create_data),
224 # Changing note count prior to enqueuing federation task in order to avoid
225 # race conditions on updating user.info
226 {:ok, _actor} <- increase_note_count_if_public(actor, activity),
227 :ok <- maybe_federate(activity) do
230 {:fake, true, activity} ->
235 def accept(%{to: to, actor: actor, object: object} = params) do
236 # only accept false as false value
237 local = !(params[:local] == false)
239 with data <- %{"to" => to, "type" => "Accept", "actor" => actor.ap_id, "object" => object},
240 {:ok, activity} <- insert(data, local),
241 :ok <- maybe_federate(activity) do
246 def reject(%{to: to, actor: actor, object: object} = params) do
247 # only accept false as false value
248 local = !(params[:local] == false)
250 with data <- %{"to" => to, "type" => "Reject", "actor" => actor.ap_id, "object" => object},
251 {:ok, activity} <- insert(data, local),
252 :ok <- maybe_federate(activity) do
257 def update(%{to: to, cc: cc, actor: actor, object: object} = params) do
258 # only accept false as false value
259 local = !(params[:local] == false)
268 {:ok, activity} <- insert(data, local),
269 :ok <- maybe_federate(activity) do
274 # TODO: This is weird, maybe we shouldn't check here if we can make the activity.
276 %User{ap_id: ap_id} = user,
277 %Object{data: %{"id" => _}} = object,
281 with nil <- get_existing_like(ap_id, object),
282 like_data <- make_like_data(user, object, activity_id),
283 {:ok, activity} <- insert(like_data, local),
284 {:ok, object} <- add_like_to_object(activity, object),
285 :ok <- maybe_federate(activity) do
286 {:ok, activity, object}
288 %Activity{} = activity -> {:ok, activity, object}
289 error -> {:error, error}
299 with %Activity{} = like_activity <- get_existing_like(actor.ap_id, object),
300 unlike_data <- make_unlike_data(actor, like_activity, activity_id),
301 {:ok, unlike_activity} <- insert(unlike_data, local),
302 {:ok, _activity} <- Repo.delete(like_activity),
303 {:ok, object} <- remove_like_from_object(like_activity, object),
304 :ok <- maybe_federate(unlike_activity) do
305 {:ok, unlike_activity, like_activity, object}
312 %User{ap_id: _} = user,
313 %Object{data: %{"id" => _}} = object,
318 with true <- is_public?(object),
319 announce_data <- make_announce_data(user, object, activity_id, public),
320 {:ok, activity} <- insert(announce_data, local),
321 {:ok, object} <- add_announce_to_object(activity, object),
322 :ok <- maybe_federate(activity) do
323 {:ok, activity, object}
325 error -> {:error, error}
335 with %Activity{} = announce_activity <- get_existing_announce(actor.ap_id, object),
336 unannounce_data <- make_unannounce_data(actor, announce_activity, activity_id),
337 {:ok, unannounce_activity} <- insert(unannounce_data, local),
338 :ok <- maybe_federate(unannounce_activity),
339 {:ok, _activity} <- Repo.delete(announce_activity),
340 {:ok, object} <- remove_announce_from_object(announce_activity, object) do
341 {:ok, unannounce_activity, object}
347 def follow(follower, followed, activity_id \\ nil, local \\ true) do
348 with data <- make_follow_data(follower, followed, activity_id),
349 {:ok, activity} <- insert(data, local),
350 :ok <- maybe_federate(activity) do
355 def unfollow(follower, followed, activity_id \\ nil, local \\ true) do
356 with %Activity{} = follow_activity <- fetch_latest_follow(follower, followed),
357 {:ok, follow_activity} <- update_follow_state(follow_activity, "cancelled"),
358 unfollow_data <- make_unfollow_data(follower, followed, follow_activity, activity_id),
359 {:ok, activity} <- insert(unfollow_data, local),
360 :ok <- maybe_federate(activity) do
365 def delete(%Object{data: %{"id" => id, "actor" => actor}} = object, local \\ true) do
366 user = User.get_cached_by_ap_id(actor)
367 to = (object.data["to"] || []) ++ (object.data["cc"] || [])
369 with {:ok, object, activity} <- Object.delete(object),
375 "deleted_activity_id" => activity && activity.id
377 {:ok, activity} <- insert(data, local),
378 _ <- decrease_replies_count_if_reply(object),
379 # Changing note count prior to enqueuing federation task in order to avoid
380 # race conditions on updating user.info
381 {:ok, _actor} <- decrease_note_count_if_public(user, object),
382 :ok <- maybe_federate(activity) do
387 def block(blocker, blocked, activity_id \\ nil, local \\ true) do
388 ap_config = Application.get_env(:pleroma, :activitypub)
389 unfollow_blocked = Keyword.get(ap_config, :unfollow_blocked)
390 outgoing_blocks = Keyword.get(ap_config, :outgoing_blocks)
392 with true <- unfollow_blocked do
393 follow_activity = fetch_latest_follow(blocker, blocked)
395 if follow_activity do
396 unfollow(blocker, blocked, nil, local)
400 with true <- outgoing_blocks,
401 block_data <- make_block_data(blocker, blocked, activity_id),
402 {:ok, activity} <- insert(block_data, local),
403 :ok <- maybe_federate(activity) do
410 def unblock(blocker, blocked, activity_id \\ nil, local \\ true) do
411 with %Activity{} = block_activity <- fetch_latest_block(blocker, blocked),
412 unblock_data <- make_unblock_data(blocker, blocked, block_activity, activity_id),
413 {:ok, activity} <- insert(unblock_data, local),
414 :ok <- maybe_federate(activity) do
428 # only accept false as false value
429 local = !(params[:local] == false)
430 forward = !(params[:forward] == false)
432 additional = params[:additional] || %{}
444 Map.merge(additional, %{"to" => [], "cc" => [account.ap_id]})
446 Map.merge(additional, %{"to" => [], "cc" => []})
449 with flag_data <- make_flag_data(params, additional),
450 {:ok, activity} <- insert(flag_data, local),
451 :ok <- maybe_federate(activity) do
452 Enum.each(User.all_superusers(), fn superuser ->
454 |> Pleroma.Emails.AdminEmail.report(actor, account, statuses, content)
455 |> Pleroma.Emails.Mailer.deliver_async()
462 defp fetch_activities_for_context_query(context, opts) do
463 public = ["https://www.w3.org/ns/activitystreams#Public"]
466 if opts["user"], do: [opts["user"].ap_id | opts["user"].following] ++ public, else: public
468 from(activity in Activity)
469 |> restrict_blocked(opts)
470 |> restrict_recipients(recipients, opts["user"])
474 "?->>'type' = ? and ?->>'context' = ?",
481 |> order_by([activity], desc: activity.id)
484 @spec fetch_activities_for_context(String.t(), keyword() | map()) :: [Activity.t()]
485 def fetch_activities_for_context(context, opts \\ %{}) do
487 |> fetch_activities_for_context_query(opts)
488 |> Activity.with_preloaded_object()
492 @spec fetch_latest_activity_id_for_context(String.t(), keyword() | map()) ::
493 Pleroma.FlakeId.t() | nil
494 def fetch_latest_activity_id_for_context(context, opts \\ %{}) do
496 |> fetch_activities_for_context_query(opts)
502 def fetch_public_activities(opts \\ %{}) do
503 q = fetch_activities_query(["https://www.w3.org/ns/activitystreams#Public"], opts)
506 |> restrict_unlisted()
507 |> Pagination.fetch_paginated(opts)
511 @valid_visibilities ~w[direct unlisted public private]
513 defp restrict_visibility(query, %{visibility: visibility})
514 when is_list(visibility) do
515 if Enum.all?(visibility, &(&1 in @valid_visibilities)) do
521 "activity_visibility(?, ?, ?) = ANY (?)",
529 Ecto.Adapters.SQL.to_sql(:all, Repo, query)
533 Logger.error("Could not restrict visibility to #{visibility}")
537 defp restrict_visibility(query, %{visibility: visibility})
538 when visibility in @valid_visibilities do
543 fragment("activity_visibility(?, ?, ?) = ?", a.actor, a.recipients, a.data, ^visibility)
546 Ecto.Adapters.SQL.to_sql(:all, Repo, query)
551 defp restrict_visibility(_query, %{visibility: visibility})
552 when visibility not in @valid_visibilities do
553 Logger.error("Could not restrict visibility to #{visibility}")
556 defp restrict_visibility(query, _visibility), do: query
558 def fetch_user_activities(user, reading_user, params \\ %{}) do
561 |> Map.put("type", ["Create", "Announce"])
562 |> Map.put("actor_id", user.ap_id)
563 |> Map.put("whole_db", true)
564 |> Map.put("pinned_activity_ids", user.info.pinned_activities)
568 ["https://www.w3.org/ns/activitystreams#Public"] ++
569 [reading_user.ap_id | reading_user.following]
571 ["https://www.w3.org/ns/activitystreams#Public"]
574 fetch_activities(recipients, params)
578 defp restrict_since(query, %{"since_id" => ""}), do: query
580 defp restrict_since(query, %{"since_id" => since_id}) do
581 from(activity in query, where: activity.id > ^since_id)
584 defp restrict_since(query, _), do: query
586 defp restrict_tag_reject(_query, %{"tag_reject" => _tag_reject, "skip_preload" => true}) do
587 raise "Can't use the child object without preloading!"
590 defp restrict_tag_reject(query, %{"tag_reject" => tag_reject})
591 when is_list(tag_reject) and tag_reject != [] do
593 [_activity, object] in query,
594 where: fragment("not (?)->'tag' \\?| (?)", object.data, ^tag_reject)
598 defp restrict_tag_reject(query, _), do: query
600 defp restrict_tag_all(_query, %{"tag_all" => _tag_all, "skip_preload" => true}) do
601 raise "Can't use the child object without preloading!"
604 defp restrict_tag_all(query, %{"tag_all" => tag_all})
605 when is_list(tag_all) and tag_all != [] do
607 [_activity, object] in query,
608 where: fragment("(?)->'tag' \\?& (?)", object.data, ^tag_all)
612 defp restrict_tag_all(query, _), do: query
614 defp restrict_tag(_query, %{"tag" => _tag, "skip_preload" => true}) do
615 raise "Can't use the child object without preloading!"
618 defp restrict_tag(query, %{"tag" => tag}) when is_list(tag) do
620 [_activity, object] in query,
621 where: fragment("(?)->'tag' \\?| (?)", object.data, ^tag)
625 defp restrict_tag(query, %{"tag" => tag}) when is_binary(tag) do
627 [_activity, object] in query,
628 where: fragment("(?)->'tag' \\? (?)", object.data, ^tag)
632 defp restrict_tag(query, _), do: query
634 defp restrict_to_cc(query, recipients_to, recipients_cc) do
639 "(?->'to' \\?| ?) or (?->'cc' \\?| ?)",
648 defp restrict_recipients(query, [], _user), do: query
650 defp restrict_recipients(query, recipients, nil) do
651 from(activity in query, where: fragment("? && ?", ^recipients, activity.recipients))
654 defp restrict_recipients(query, recipients, user) do
657 where: fragment("? && ?", ^recipients, activity.recipients),
658 or_where: activity.actor == ^user.ap_id
662 defp restrict_local(query, %{"local_only" => true}) do
663 from(activity in query, where: activity.local == true)
666 defp restrict_local(query, _), do: query
668 defp restrict_actor(query, %{"actor_id" => actor_id}) do
669 from(activity in query, where: activity.actor == ^actor_id)
672 defp restrict_actor(query, _), do: query
674 defp restrict_type(query, %{"type" => type}) when is_binary(type) do
675 from(activity in query, where: fragment("?->>'type' = ?", activity.data, ^type))
678 defp restrict_type(query, %{"type" => type}) do
679 from(activity in query, where: fragment("?->>'type' = ANY(?)", activity.data, ^type))
682 defp restrict_type(query, _), do: query
684 defp restrict_favorited_by(query, %{"favorited_by" => ap_id}) do
687 where: fragment(~s(? <@ (? #> '{"object","likes"}'\)), ^ap_id, activity.data)
691 defp restrict_favorited_by(query, _), do: query
693 defp restrict_media(_query, %{"only_media" => _val, "skip_preload" => true}) do
694 raise "Can't use the child object without preloading!"
697 defp restrict_media(query, %{"only_media" => val}) when val == "true" or val == "1" do
699 [_activity, object] in query,
700 where: fragment("not (?)->'attachment' = (?)", object.data, ^[])
704 defp restrict_media(query, _), do: query
706 defp restrict_replies(query, %{"exclude_replies" => val}) when val == "true" or val == "1" do
709 where: fragment("?->'object'->>'inReplyTo' is null", activity.data)
713 defp restrict_replies(query, _), do: query
715 defp restrict_reblogs(query, %{"exclude_reblogs" => val}) when val == "true" or val == "1" do
716 from(activity in query, where: fragment("?->>'type' != 'Announce'", activity.data))
719 defp restrict_reblogs(query, _), do: query
721 defp restrict_muted(query, %{"with_muted" => val}) when val in [true, "true", "1"], do: query
723 defp restrict_muted(query, %{"muting_user" => %User{info: info}}) do
728 where: fragment("not (? = ANY(?))", activity.actor, ^mutes),
729 where: fragment("not (?->'to' \\?| ?)", activity.data, ^mutes)
733 defp restrict_muted(query, _), do: query
735 defp restrict_blocked(query, %{"blocking_user" => %User{info: info}}) do
736 blocks = info.blocks || []
737 domain_blocks = info.domain_blocks || []
741 where: fragment("not (? = ANY(?))", activity.actor, ^blocks),
742 where: fragment("not (? && ?)", activity.recipients, ^blocks),
745 "not (?->>'type' = 'Announce' and ?->'to' \\?| ?)",
750 where: fragment("not (split_part(?, '/', 3) = ANY(?))", activity.actor, ^domain_blocks)
754 defp restrict_blocked(query, _), do: query
756 defp restrict_unlisted(query) do
761 "not (coalesce(?->'cc', '{}'::jsonb) \\?| ?)",
763 ^["https://www.w3.org/ns/activitystreams#Public"]
768 defp restrict_pinned(query, %{"pinned" => "true", "pinned_activity_ids" => ids}) do
769 from(activity in query, where: activity.id in ^ids)
772 defp restrict_pinned(query, _), do: query
774 defp restrict_muted_reblogs(query, %{"muting_user" => %User{info: info}}) do
775 muted_reblogs = info.muted_reblogs || []
781 "not ( ?->>'type' = 'Announce' and ? = ANY(?))",
789 defp restrict_muted_reblogs(query, _), do: query
791 defp maybe_preload_objects(query, %{"skip_preload" => true}), do: query
793 defp maybe_preload_objects(query, _) do
795 |> Activity.with_preloaded_object()
798 def fetch_activities_query(recipients, opts \\ %{}) do
799 base_query = from(activity in Activity)
802 |> maybe_preload_objects(opts)
803 |> restrict_recipients(recipients, opts["user"])
804 |> restrict_tag(opts)
805 |> restrict_tag_reject(opts)
806 |> restrict_tag_all(opts)
807 |> restrict_since(opts)
808 |> restrict_local(opts)
809 |> restrict_actor(opts)
810 |> restrict_type(opts)
811 |> restrict_favorited_by(opts)
812 |> restrict_blocked(opts)
813 |> restrict_muted(opts)
814 |> restrict_media(opts)
815 |> restrict_visibility(opts)
816 |> restrict_replies(opts)
817 |> restrict_reblogs(opts)
818 |> restrict_pinned(opts)
819 |> restrict_muted_reblogs(opts)
822 def fetch_activities(recipients, opts \\ %{}) do
823 fetch_activities_query(recipients, opts)
824 |> Pagination.fetch_paginated(opts)
828 def fetch_activities_bounded(recipients_to, recipients_cc, opts \\ %{}) do
829 fetch_activities_query([], opts)
830 |> restrict_to_cc(recipients_to, recipients_cc)
831 |> Pagination.fetch_paginated(opts)
835 def upload(file, opts \\ []) do
836 with {:ok, data} <- Upload.store(file, opts) do
839 Map.put(data, "actor", opts[:actor])
844 Repo.insert(%Object{data: obj_data})
848 def user_data_from_user_object(data) do
850 data["icon"]["url"] &&
853 "url" => [%{"href" => data["icon"]["url"]}]
857 data["image"]["url"] &&
860 "url" => [%{"href" => data["image"]["url"]}]
863 locked = data["manuallyApprovesFollowers"] || false
864 data = Transmogrifier.maybe_fix_user_object(data)
869 "ap_enabled" => true,
870 "source_data" => data,
876 follower_address: data["followers"],
880 # nickname can be nil because of virtual actors
882 if data["preferredUsername"] do
886 "#{data["preferredUsername"]}@#{URI.parse(data["id"]).host}"
889 Map.put(user_data, :nickname, nil)
895 def fetch_and_prepare_user_from_ap_id(ap_id) do
896 with {:ok, data} <- Fetcher.fetch_and_contain_remote_object_from_id(ap_id) do
897 user_data_from_user_object(data)
899 e -> Logger.error("Could not decode user at fetch #{ap_id}, #{inspect(e)}")
903 def make_user_from_ap_id(ap_id) do
904 if _user = User.get_cached_by_ap_id(ap_id) do
905 Transmogrifier.upgrade_user_from_ap_id(ap_id)
907 with {:ok, data} <- fetch_and_prepare_user_from_ap_id(ap_id) do
908 User.insert_or_update_user(data)
915 def make_user_from_nickname(nickname) do
916 with {:ok, %{"ap_id" => ap_id}} when not is_nil(ap_id) <- WebFinger.finger(nickname) do
917 make_user_from_ap_id(ap_id)
919 _e -> {:error, "No AP id in WebFinger"}
923 def should_federate?(inbox, public) do
927 inbox_info = URI.parse(inbox)
928 !Enum.member?(Pleroma.Config.get([:instance, :quarantined_instances], []), inbox_info.host)
932 def publish(actor, activity) do
934 if actor.follower_address in activity.recipients do
935 {:ok, followers} = User.get_followers(actor)
936 followers |> Enum.filter(&(!&1.local))
941 public = is_public?(activity)
943 {:ok, data} = Transmogrifier.prepare_outgoing(activity.data)
944 json = Jason.encode!(data)
946 (Pleroma.Web.Salmon.remote_users(activity) ++ remote_followers)
947 |> Enum.filter(fn user -> User.ap_enabled?(user) end)
948 |> Enum.map(fn %{info: %{source_data: data}} ->
949 (is_map(data["endpoints"]) && Map.get(data["endpoints"], "sharedInbox")) || data["inbox"]
952 |> Enum.filter(fn inbox -> should_federate?(inbox, public) end)
953 |> Instances.filter_reachable()
954 |> Enum.each(fn {inbox, unreachable_since} ->
955 Federator.publish_single_ap(%{
959 id: activity.data["id"],
960 unreachable_since: unreachable_since
965 def publish_one(%{inbox: inbox, json: json, actor: actor, id: id} = params) do
966 Logger.info("Federating #{id} to #{inbox}")
967 host = URI.parse(inbox).host
969 digest = "SHA-256=" <> (:crypto.hash(:sha256, json) |> Base.encode64())
972 NaiveDateTime.utc_now()
973 |> Timex.format!("{WDshort}, {0D} {Mshort} {YYYY} {h24}:{m}:{s} GMT")
976 Pleroma.Web.HTTPSignatures.sign(actor, %{
978 "content-length": byte_size(json),
983 with {:ok, %{status: code}} when code in 200..299 <-
989 {"Content-Type", "application/activity+json"},
991 {"signature", signature},
995 if !Map.has_key?(params, :unreachable_since) || params[:unreachable_since],
996 do: Instances.set_reachable(inbox)
1000 {_post_result, response} ->
1001 unless params[:unreachable_since], do: Instances.set_unreachable(inbox)
1006 # filter out broken threads
1007 def contain_broken_threads(%Activity{} = activity, %User{} = user) do
1008 entire_thread_visible_for_user?(activity, user)
1011 # do post-processing on a specific activity
1012 def contain_activity(%Activity{} = activity, %User{} = user) do
1013 contain_broken_threads(activity, user)
1016 # do post-processing on a timeline
1017 def contain_timeline(timeline, user) do
1019 |> Enum.filter(fn activity ->
1020 contain_activity(activity, user)