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.Object.Fetcher
11 alias Pleroma.Pagination
15 alias Pleroma.Web.ActivityPub.MRF
16 alias Pleroma.Web.ActivityPub.Transmogrifier
17 alias Pleroma.Web.Federator
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
31 to = Map.get(data, "to", [])
32 cc = Map.get(data, "cc", [])
33 bcc = Map.get(data, "bcc", [])
34 actor = User.get_cached_by_ap_id(data["actor"])
37 Enum.filter(Enum.concat([to, cc, bcc]), fn recipient ->
38 case User.get_cached_by_ap_id(recipient) do
40 user -> User.following?(user, actor)
47 defp get_recipients(%{"type" => "Create"} = data) do
48 to = Map.get(data, "to", [])
49 cc = Map.get(data, "cc", [])
50 bcc = Map.get(data, "bcc", [])
51 actor = Map.get(data, "actor", [])
52 recipients = [to, cc, bcc, [actor]] |> Enum.concat() |> Enum.uniq()
56 defp get_recipients(data) do
57 to = Map.get(data, "to", [])
58 cc = Map.get(data, "cc", [])
59 bcc = Map.get(data, "bcc", [])
60 recipients = Enum.concat([to, cc, bcc])
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(%{
93 "object" => %{"inReplyTo" => reply_ap_id} = object,
96 if is_public?(object) do
97 Object.increase_replies_count(reply_ap_id)
101 def increase_replies_count_if_reply(_create_data), do: :noop
103 def decrease_replies_count_if_reply(%Object{
104 data: %{"inReplyTo" => reply_ap_id} = object
106 if is_public?(object) do
107 Object.decrease_replies_count(reply_ap_id)
111 def decrease_replies_count_if_reply(_object), do: :noop
113 def insert(map, local \\ true, fake \\ false) when is_map(map) do
114 with nil <- Activity.normalize(map),
115 map <- lazy_put_activity_defaults(map, fake),
116 :ok <- check_actor_is_active(map["actor"]),
117 {_, true} <- {:remote_limit_error, check_remote_limit(map)},
118 {:ok, map} <- MRF.filter(map),
119 {recipients, _, _} = get_recipients(map),
120 {:fake, false, map, recipients} <- {:fake, fake, map, recipients},
121 {:ok, map, object} <- insert_full_object(map) do
123 Repo.insert(%Activity{
127 recipients: recipients
130 # Splice in the child object if we have one.
132 if !is_nil(object) do
133 Map.put(activity, :object, object)
139 Pleroma.Web.RichMedia.Helpers.fetch_data_for_activity(activity)
142 Notification.create_notifications(activity)
146 %Activity{} = activity ->
149 {:fake, true, map, recipients} ->
150 activity = %Activity{
154 recipients: recipients,
158 Pleroma.Web.RichMedia.Helpers.fetch_data_for_activity(activity)
166 def stream_out(activity) do
167 public = "https://www.w3.org/ns/activitystreams#Public"
169 if activity.data["type"] in ["Create", "Announce", "Delete"] do
170 object = Object.normalize(activity)
171 Pleroma.Web.Streamer.stream("user", activity)
172 Pleroma.Web.Streamer.stream("list", activity)
174 if Enum.member?(activity.data["to"], public) do
175 Pleroma.Web.Streamer.stream("public", activity)
178 Pleroma.Web.Streamer.stream("public:local", activity)
181 if activity.data["type"] in ["Create"] do
183 |> Map.get("tag", [])
184 |> Enum.filter(fn tag -> is_bitstring(tag) end)
185 |> Enum.each(fn tag -> Pleroma.Web.Streamer.stream("hashtag:" <> tag, activity) end)
187 if object.data["attachment"] != [] do
188 Pleroma.Web.Streamer.stream("public:media", activity)
191 Pleroma.Web.Streamer.stream("public:local:media", activity)
196 if !Enum.member?(activity.data["cc"] || [], public) &&
199 User.get_cached_by_ap_id(activity.data["actor"]).follower_address
201 do: Pleroma.Web.Streamer.stream("direct", activity)
206 def create(%{to: to, actor: actor, context: context, object: object} = params, fake \\ false) do
207 additional = params[:additional] || %{}
208 # only accept false as false value
209 local = !(params[:local] == false)
210 published = params[:published]
214 %{to: to, actor: actor, published: published, context: context, object: object},
217 {:ok, activity} <- insert(create_data, local, fake),
218 {:fake, false, activity} <- {:fake, fake, activity},
219 _ <- increase_replies_count_if_reply(create_data),
220 # Changing note count prior to enqueuing federation task in order to avoid
221 # race conditions on updating user.info
222 {:ok, _actor} <- increase_note_count_if_public(actor, activity),
223 :ok <- maybe_federate(activity) do
226 {:fake, true, activity} ->
231 def accept(%{to: to, actor: actor, object: object} = params) do
232 # only accept false as false value
233 local = !(params[:local] == false)
235 with data <- %{"to" => to, "type" => "Accept", "actor" => actor.ap_id, "object" => object},
236 {:ok, activity} <- insert(data, local),
237 :ok <- maybe_federate(activity) do
242 def reject(%{to: to, actor: actor, object: object} = params) do
243 # only accept false as false value
244 local = !(params[:local] == false)
246 with data <- %{"to" => to, "type" => "Reject", "actor" => actor.ap_id, "object" => object},
247 {:ok, activity} <- insert(data, local),
248 :ok <- maybe_federate(activity) do
253 def update(%{to: to, cc: cc, actor: actor, object: object} = params) do
254 # only accept false as false value
255 local = !(params[:local] == false)
264 {:ok, activity} <- insert(data, local),
265 :ok <- maybe_federate(activity) do
270 # TODO: This is weird, maybe we shouldn't check here if we can make the activity.
272 %User{ap_id: ap_id} = user,
273 %Object{data: %{"id" => _}} = object,
277 with nil <- get_existing_like(ap_id, object),
278 like_data <- make_like_data(user, object, activity_id),
279 {:ok, activity} <- insert(like_data, local),
280 {:ok, object} <- add_like_to_object(activity, object),
281 :ok <- maybe_federate(activity) do
282 {:ok, activity, object}
284 %Activity{} = activity -> {:ok, activity, object}
285 error -> {:error, error}
295 with %Activity{} = like_activity <- get_existing_like(actor.ap_id, object),
296 unlike_data <- make_unlike_data(actor, like_activity, activity_id),
297 {:ok, unlike_activity} <- insert(unlike_data, local),
298 {:ok, _activity} <- Repo.delete(like_activity),
299 {:ok, object} <- remove_like_from_object(like_activity, object),
300 :ok <- maybe_federate(unlike_activity) do
301 {:ok, unlike_activity, like_activity, object}
308 %User{ap_id: _} = user,
309 %Object{data: %{"id" => _}} = object,
314 with true <- is_public?(object),
315 announce_data <- make_announce_data(user, object, activity_id, public),
316 {:ok, activity} <- insert(announce_data, local),
317 {:ok, object} <- add_announce_to_object(activity, object),
318 :ok <- maybe_federate(activity) do
319 {:ok, activity, object}
321 error -> {:error, error}
331 with %Activity{} = announce_activity <- get_existing_announce(actor.ap_id, object),
332 unannounce_data <- make_unannounce_data(actor, announce_activity, activity_id),
333 {:ok, unannounce_activity} <- insert(unannounce_data, local),
334 :ok <- maybe_federate(unannounce_activity),
335 {:ok, _activity} <- Repo.delete(announce_activity),
336 {:ok, object} <- remove_announce_from_object(announce_activity, object) do
337 {:ok, unannounce_activity, object}
343 def follow(follower, followed, activity_id \\ nil, local \\ true) do
344 with data <- make_follow_data(follower, followed, activity_id),
345 {:ok, activity} <- insert(data, local),
346 :ok <- maybe_federate(activity) do
351 def unfollow(follower, followed, activity_id \\ nil, local \\ true) do
352 with %Activity{} = follow_activity <- fetch_latest_follow(follower, followed),
353 {:ok, follow_activity} <- update_follow_state(follow_activity, "cancelled"),
354 unfollow_data <- make_unfollow_data(follower, followed, follow_activity, activity_id),
355 {:ok, activity} <- insert(unfollow_data, local),
356 :ok <- maybe_federate(activity) do
361 def delete(%Object{data: %{"id" => id, "actor" => actor}} = object, local \\ true) do
362 user = User.get_cached_by_ap_id(actor)
363 to = (object.data["to"] || []) ++ (object.data["cc"] || [])
365 with {:ok, object, activity} <- Object.delete(object),
371 "deleted_activity_id" => activity && activity.id
373 {:ok, activity} <- insert(data, local),
374 _ <- decrease_replies_count_if_reply(object),
375 # Changing note count prior to enqueuing federation task in order to avoid
376 # race conditions on updating user.info
377 {:ok, _actor} <- decrease_note_count_if_public(user, object),
378 :ok <- maybe_federate(activity) do
383 def block(blocker, blocked, activity_id \\ nil, local \\ true) do
384 ap_config = Application.get_env(:pleroma, :activitypub)
385 unfollow_blocked = Keyword.get(ap_config, :unfollow_blocked)
386 outgoing_blocks = Keyword.get(ap_config, :outgoing_blocks)
388 with true <- unfollow_blocked do
389 follow_activity = fetch_latest_follow(blocker, blocked)
391 if follow_activity do
392 unfollow(blocker, blocked, nil, local)
396 with true <- outgoing_blocks,
397 block_data <- make_block_data(blocker, blocked, activity_id),
398 {:ok, activity} <- insert(block_data, local),
399 :ok <- maybe_federate(activity) do
406 def unblock(blocker, blocked, activity_id \\ nil, local \\ true) do
407 with %Activity{} = block_activity <- fetch_latest_block(blocker, blocked),
408 unblock_data <- make_unblock_data(blocker, blocked, block_activity, activity_id),
409 {:ok, activity} <- insert(unblock_data, local),
410 :ok <- maybe_federate(activity) do
424 # only accept false as false value
425 local = !(params[:local] == false)
426 forward = !(params[:forward] == false)
428 additional = params[:additional] || %{}
440 Map.merge(additional, %{"to" => [], "cc" => [account.ap_id]})
442 Map.merge(additional, %{"to" => [], "cc" => []})
445 with flag_data <- make_flag_data(params, additional),
446 {:ok, activity} <- insert(flag_data, local),
447 :ok <- maybe_federate(activity) do
448 Enum.each(User.all_superusers(), fn superuser ->
450 |> Pleroma.Emails.AdminEmail.report(actor, account, statuses, content)
451 |> Pleroma.Emails.Mailer.deliver_async()
458 def fetch_activities_for_context(context, opts \\ %{}) do
459 public = ["https://www.w3.org/ns/activitystreams#Public"]
462 if opts["user"], do: [opts["user"].ap_id | opts["user"].following] ++ public, else: public
464 query = from(activity in Activity)
468 |> restrict_blocked(opts)
469 |> restrict_recipients(recipients, opts["user"])
476 "?->>'type' = ? and ?->>'context' = ?",
482 order_by: [desc: :id]
484 |> Activity.with_preloaded_object()
489 def fetch_public_activities(opts \\ %{}) do
490 q = fetch_activities_query(["https://www.w3.org/ns/activitystreams#Public"], opts)
493 |> restrict_unlisted()
494 |> Pagination.fetch_paginated(opts)
498 @valid_visibilities ~w[direct unlisted public private]
500 defp restrict_visibility(query, %{visibility: visibility})
501 when is_list(visibility) do
502 if Enum.all?(visibility, &(&1 in @valid_visibilities)) do
508 "activity_visibility(?, ?, ?) = ANY (?)",
516 Ecto.Adapters.SQL.to_sql(:all, Repo, query)
520 Logger.error("Could not restrict visibility to #{visibility}")
524 defp restrict_visibility(query, %{visibility: visibility})
525 when visibility in @valid_visibilities do
530 fragment("activity_visibility(?, ?, ?) = ?", a.actor, a.recipients, a.data, ^visibility)
533 Ecto.Adapters.SQL.to_sql(:all, Repo, query)
538 defp restrict_visibility(_query, %{visibility: visibility})
539 when visibility not in @valid_visibilities do
540 Logger.error("Could not restrict visibility to #{visibility}")
543 defp restrict_visibility(query, _visibility), do: query
545 def fetch_user_activities(user, reading_user, params \\ %{}) do
548 |> Map.put("type", ["Create", "Announce"])
549 |> Map.put("actor_id", user.ap_id)
550 |> Map.put("whole_db", true)
551 |> Map.put("pinned_activity_ids", user.info.pinned_activities)
555 ["https://www.w3.org/ns/activitystreams#Public"] ++
556 [reading_user.ap_id | reading_user.following]
558 ["https://www.w3.org/ns/activitystreams#Public"]
561 fetch_activities(recipients, params)
565 defp restrict_since(query, %{"since_id" => ""}), do: query
567 defp restrict_since(query, %{"since_id" => since_id}) do
568 from(activity in query, where: activity.id > ^since_id)
571 defp restrict_since(query, _), do: query
573 defp restrict_tag_reject(_query, %{"tag_reject" => _tag_reject, "skip_preload" => true}) do
574 raise "Can't use the child object without preloading!"
577 defp restrict_tag_reject(query, %{"tag_reject" => tag_reject})
578 when is_list(tag_reject) and tag_reject != [] do
580 [_activity, object] in query,
581 where: fragment("not (?)->'tag' \\?| (?)", object.data, ^tag_reject)
585 defp restrict_tag_reject(query, _), do: query
587 defp restrict_tag_all(_query, %{"tag_all" => _tag_all, "skip_preload" => true}) do
588 raise "Can't use the child object without preloading!"
591 defp restrict_tag_all(query, %{"tag_all" => tag_all})
592 when is_list(tag_all) and tag_all != [] do
594 [_activity, object] in query,
595 where: fragment("(?)->'tag' \\?& (?)", object.data, ^tag_all)
599 defp restrict_tag_all(query, _), do: query
601 defp restrict_tag(_query, %{"tag" => _tag, "skip_preload" => true}) do
602 raise "Can't use the child object without preloading!"
605 defp restrict_tag(query, %{"tag" => tag}) when is_list(tag) do
607 [_activity, object] in query,
608 where: fragment("(?)->'tag' \\?| (?)", object.data, ^tag)
612 defp restrict_tag(query, %{"tag" => tag}) when is_binary(tag) do
614 [_activity, object] in query,
615 where: fragment("(?)->'tag' \\? (?)", object.data, ^tag)
619 defp restrict_tag(query, _), do: query
621 defp restrict_to_cc(query, recipients_to, recipients_cc) do
626 "(?->'to' \\?| ?) or (?->'cc' \\?| ?)",
635 defp restrict_recipients(query, [], _user), do: query
637 defp restrict_recipients(query, recipients, nil) do
638 from(activity in query, where: fragment("? && ?", ^recipients, activity.recipients))
641 defp restrict_recipients(query, recipients, user) do
644 where: fragment("? && ?", ^recipients, activity.recipients),
645 or_where: activity.actor == ^user.ap_id
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_actor(query, %{"actor_id" => actor_id}) do
656 from(activity in query, where: activity.actor == ^actor_id)
659 defp restrict_actor(query, _), do: query
661 defp restrict_type(query, %{"type" => type}) when is_binary(type) do
662 from(activity in query, where: fragment("?->>'type' = ?", activity.data, ^type))
665 defp restrict_type(query, %{"type" => type}) do
666 from(activity in query, where: fragment("?->>'type' = ANY(?)", activity.data, ^type))
669 defp restrict_type(query, _), do: query
671 defp restrict_favorited_by(query, %{"favorited_by" => ap_id}) do
674 where: fragment(~s(? <@ (? #> '{"object","likes"}'\)), ^ap_id, activity.data)
678 defp restrict_favorited_by(query, _), do: query
680 defp restrict_media(_query, %{"only_media" => _val, "skip_preload" => true}) do
681 raise "Can't use the child object without preloading!"
684 defp restrict_media(query, %{"only_media" => val}) when val == "true" or val == "1" do
686 [_activity, object] in query,
687 where: fragment("not (?)->'attachment' = (?)", object.data, ^[])
691 defp restrict_media(query, _), do: query
693 defp restrict_replies(query, %{"exclude_replies" => val}) when val == "true" or val == "1" do
696 where: fragment("?->'object'->>'inReplyTo' is null", activity.data)
700 defp restrict_replies(query, _), do: query
702 defp restrict_reblogs(query, %{"exclude_reblogs" => val}) when val == "true" or val == "1" do
703 from(activity in query, where: fragment("?->>'type' != 'Announce'", activity.data))
706 defp restrict_reblogs(query, _), do: query
708 defp restrict_muted(query, %{"with_muted" => val}) when val in [true, "true", "1"], do: query
710 defp restrict_muted(query, %{"muting_user" => %User{info: info}}) do
715 where: fragment("not (? = ANY(?))", activity.actor, ^mutes),
716 where: fragment("not (?->'to' \\?| ?)", activity.data, ^mutes)
720 defp restrict_muted(query, _), do: query
722 defp restrict_blocked(query, %{"blocking_user" => %User{info: info}}) do
723 blocks = info.blocks || []
724 domain_blocks = info.domain_blocks || []
728 where: fragment("not (? = ANY(?))", activity.actor, ^blocks),
729 where: fragment("not (? && ?)", activity.recipients, ^blocks),
732 "not (?->>'type' = 'Announce' and ?->'to' \\?| ?)",
737 where: fragment("not (split_part(?, '/', 3) = ANY(?))", activity.actor, ^domain_blocks)
741 defp restrict_blocked(query, _), do: query
743 defp restrict_unlisted(query) do
748 "not (coalesce(?->'cc', '{}'::jsonb) \\?| ?)",
750 ^["https://www.w3.org/ns/activitystreams#Public"]
755 defp restrict_pinned(query, %{"pinned" => "true", "pinned_activity_ids" => ids}) do
756 from(activity in query, where: activity.id in ^ids)
759 defp restrict_pinned(query, _), do: query
761 defp restrict_muted_reblogs(query, %{"muting_user" => %User{info: info}}) do
762 muted_reblogs = info.muted_reblogs || []
768 "not ( ?->>'type' = 'Announce' and ? = ANY(?))",
776 defp restrict_muted_reblogs(query, _), do: query
778 defp maybe_preload_objects(query, %{"skip_preload" => true}), do: query
780 defp maybe_preload_objects(query, _) do
782 |> Activity.with_preloaded_object()
785 def fetch_activities_query(recipients, opts \\ %{}) do
786 base_query = from(activity in Activity)
789 |> maybe_preload_objects(opts)
790 |> restrict_recipients(recipients, opts["user"])
791 |> restrict_tag(opts)
792 |> restrict_tag_reject(opts)
793 |> restrict_tag_all(opts)
794 |> restrict_since(opts)
795 |> restrict_local(opts)
796 |> restrict_actor(opts)
797 |> restrict_type(opts)
798 |> restrict_favorited_by(opts)
799 |> restrict_blocked(opts)
800 |> restrict_muted(opts)
801 |> restrict_media(opts)
802 |> restrict_visibility(opts)
803 |> restrict_replies(opts)
804 |> restrict_reblogs(opts)
805 |> restrict_pinned(opts)
806 |> restrict_muted_reblogs(opts)
809 def fetch_activities(recipients, opts \\ %{}) do
810 fetch_activities_query(recipients, opts)
811 |> Pagination.fetch_paginated(opts)
815 def fetch_activities_bounded(recipients_to, recipients_cc, opts \\ %{}) do
816 fetch_activities_query([], opts)
817 |> restrict_to_cc(recipients_to, recipients_cc)
818 |> Pagination.fetch_paginated(opts)
822 def upload(file, opts \\ []) do
823 with {:ok, data} <- Upload.store(file, opts) do
826 Map.put(data, "actor", opts[:actor])
831 Repo.insert(%Object{data: obj_data})
835 def user_data_from_user_object(data) do
837 data["icon"]["url"] &&
840 "url" => [%{"href" => data["icon"]["url"]}]
844 data["image"]["url"] &&
847 "url" => [%{"href" => data["image"]["url"]}]
850 locked = data["manuallyApprovesFollowers"] || false
851 data = Transmogrifier.maybe_fix_user_object(data)
856 "ap_enabled" => true,
857 "source_data" => data,
863 follower_address: data["followers"],
867 # nickname can be nil because of virtual actors
869 if data["preferredUsername"] do
873 "#{data["preferredUsername"]}@#{URI.parse(data["id"]).host}"
876 Map.put(user_data, :nickname, nil)
882 def fetch_and_prepare_user_from_ap_id(ap_id) do
883 with {:ok, data} <- Fetcher.fetch_and_contain_remote_object_from_id(ap_id) do
884 user_data_from_user_object(data)
886 e -> Logger.error("Could not decode user at fetch #{ap_id}, #{inspect(e)}")
890 def make_user_from_ap_id(ap_id) do
891 if _user = User.get_cached_by_ap_id(ap_id) do
892 Transmogrifier.upgrade_user_from_ap_id(ap_id)
894 with {:ok, data} <- fetch_and_prepare_user_from_ap_id(ap_id) do
895 User.insert_or_update_user(data)
902 def make_user_from_nickname(nickname) do
903 with {:ok, %{"ap_id" => ap_id}} when not is_nil(ap_id) <- WebFinger.finger(nickname) do
904 make_user_from_ap_id(ap_id)
906 _e -> {:error, "No AP id in WebFinger"}
910 def should_federate?(inbox, public) do
914 inbox_info = URI.parse(inbox)
915 !Enum.member?(Pleroma.Config.get([:instance, :quarantined_instances], []), inbox_info.host)
919 defp recipients(actor, activity) do
920 Pleroma.Web.Salmon.remote_users(activity) ++
921 if actor.follower_address in activity.recipients do
922 {:ok, followers} = User.get_followers(actor)
923 followers |> Enum.filter(&(!&1.local))
929 def publish(actor, %{data: %{"bcc" => bcc}} = activity) when is_list(bcc) and bcc != [] do
930 public = is_public?(activity)
931 {:ok, data} = Transmogrifier.prepare_outgoing(activity.data)
933 recipients = recipients(actor, activity)
936 |> Enum.filter(&User.ap_enabled?/1)
937 |> Enum.map(fn %{info: %{source_data: data}} -> data["inbox"] end)
938 |> Enum.filter(fn inbox -> should_federate?(inbox, public) end)
939 |> Instances.filter_reachable()
940 |> Enum.each(fn {inbox, unreachable_since} ->
942 Enum.find(recipients, fn %{info: %{source_data: data}} -> data["inbox"] == inbox end)
946 |> Map.put("cc", [cc])
947 |> Map.put("directMessage", true)
950 Federator.publish_single_ap(%{
954 id: activity.data["id"],
955 unreachable_since: unreachable_since
960 def publish(actor, activity) do
961 public = is_public?(activity)
962 {:ok, data} = Transmogrifier.prepare_outgoing(activity.data)
964 json = Jason.encode!(data)
966 recipients(actor, activity)
967 |> Enum.filter(&User.ap_enabled?/1)
968 |> Enum.map(fn %{info: %{source_data: data}} ->
969 (is_map(data["endpoints"]) && Map.get(data["endpoints"], "sharedInbox")) || data["inbox"]
972 |> Enum.filter(fn inbox -> should_federate?(inbox, public) end)
973 |> Instances.filter_reachable()
974 |> Enum.each(fn {inbox, unreachable_since} ->
975 Federator.publish_single_ap(%{
979 id: activity.data["id"],
980 unreachable_since: unreachable_since
985 def publish_one(%{inbox: inbox, json: json, actor: actor, id: id} = params) do
986 Logger.info("Federating #{id} to #{inbox}")
987 host = URI.parse(inbox).host
989 digest = "SHA-256=" <> (:crypto.hash(:sha256, json) |> Base.encode64())
992 NaiveDateTime.utc_now()
993 |> Timex.format!("{WDshort}, {0D} {Mshort} {YYYY} {h24}:{m}:{s} GMT")
996 Pleroma.Web.HTTPSignatures.sign(actor, %{
998 "content-length": byte_size(json),
1003 with {:ok, %{status: code}} when code in 200..299 <-
1009 {"Content-Type", "application/activity+json"},
1011 {"signature", signature},
1015 if !Map.has_key?(params, :unreachable_since) || params[:unreachable_since],
1016 do: Instances.set_reachable(inbox)
1020 {_post_result, response} ->
1021 unless params[:unreachable_since], do: Instances.set_unreachable(inbox)
1026 # filter out broken threads
1027 def contain_broken_threads(%Activity{} = activity, %User{} = user) do
1028 entire_thread_visible_for_user?(activity, user)
1031 # do post-processing on a specific activity
1032 def contain_activity(%Activity{} = activity, %User{} = user) do
1033 contain_broken_threads(activity, user)
1036 # do post-processing on a timeline
1037 def contain_timeline(timeline, user) do
1039 |> Enum.filter(fn activity ->
1040 contain_activity(activity, user)