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.Transmogrifier do
7 A module to handle coding from internal to wire ActivityPub and back.
10 alias Pleroma.FollowingRelationship
12 alias Pleroma.Object.Containment
15 alias Pleroma.Web.ActivityPub.ActivityPub
16 alias Pleroma.Web.ActivityPub.Utils
17 alias Pleroma.Web.ActivityPub.Visibility
18 alias Pleroma.Web.Federator
19 alias Pleroma.Workers.TransmogrifierWorker
24 require Pleroma.Constants
27 Modifies an incoming AP object (mastodon format) to our internal format.
29 def fix_object(object, options \\ []) do
31 |> strip_internal_fields
36 |> fix_in_reply_to(options)
45 def fix_summary(%{"summary" => nil} = object) do
46 Map.put(object, "summary", "")
49 def fix_summary(%{"summary" => _} = object) do
50 # summary is present, nothing to do
54 def fix_summary(object), do: Map.put(object, "summary", "")
56 def fix_addressing_list(map, field) do
58 is_binary(map[field]) ->
59 Map.put(map, field, [map[field]])
62 Map.put(map, field, [])
69 def fix_explicit_addressing(
70 %{"to" => to, "cc" => cc} = object,
74 explicit_to = Enum.filter(to, fn x -> x in explicit_mentions end)
76 explicit_cc = Enum.filter(to, fn x -> x not in explicit_mentions end)
80 |> Enum.reject(fn x -> String.ends_with?(x, "/followers") and x != follower_collection end)
84 |> Map.put("to", explicit_to)
85 |> Map.put("cc", final_cc)
88 def fix_explicit_addressing(object, _explicit_mentions, _followers_collection), do: object
90 # if directMessage flag is set to true, leave the addressing alone
91 def fix_explicit_addressing(%{"directMessage" => true} = object), do: object
93 def fix_explicit_addressing(object) do
94 explicit_mentions = Utils.determine_explicit_mentions(object)
96 %User{follower_address: follower_collection} =
98 |> Containment.get_actor()
99 |> User.get_cached_by_ap_id()
104 Pleroma.Constants.as_public(),
108 fix_explicit_addressing(object, explicit_mentions, follower_collection)
111 # if as:Public is addressed, then make sure the followers collection is also addressed
112 # so that the activities will be delivered to local users.
113 def fix_implicit_addressing(%{"to" => to, "cc" => cc} = object, followers_collection) do
114 recipients = to ++ cc
116 if followers_collection not in recipients do
118 Pleroma.Constants.as_public() in cc ->
119 to = to ++ [followers_collection]
120 Map.put(object, "to", to)
122 Pleroma.Constants.as_public() in to ->
123 cc = cc ++ [followers_collection]
124 Map.put(object, "cc", cc)
134 def fix_implicit_addressing(object, _), do: object
136 def fix_addressing(object) do
137 {:ok, %User{} = user} = User.get_or_fetch_by_ap_id(object["actor"])
138 followers_collection = User.ap_followers(user)
141 |> fix_addressing_list("to")
142 |> fix_addressing_list("cc")
143 |> fix_addressing_list("bto")
144 |> fix_addressing_list("bcc")
145 |> fix_explicit_addressing()
146 |> fix_implicit_addressing(followers_collection)
149 def fix_actor(%{"attributedTo" => actor} = object) do
150 Map.put(object, "actor", Containment.get_actor(%{"actor" => actor}))
153 def fix_in_reply_to(object, options \\ [])
155 def fix_in_reply_to(%{"inReplyTo" => in_reply_to} = object, options)
156 when not is_nil(in_reply_to) do
157 in_reply_to_id = prepare_in_reply_to(in_reply_to)
158 object = Map.put(object, "inReplyToAtomUri", in_reply_to_id)
160 if Federator.allowed_incoming_reply_depth?(options[:depth]) do
161 with {:ok, replied_object} <- get_obj_helper(in_reply_to_id, options),
162 %Activity{} = _ <- Activity.get_create_by_object_ap_id(replied_object.data["id"]) do
164 |> Map.put("inReplyTo", replied_object.data["id"])
165 |> Map.put("inReplyToAtomUri", object["inReplyToAtomUri"] || in_reply_to_id)
166 |> Map.put("conversation", replied_object.data["context"] || object["conversation"])
167 |> Map.put("context", replied_object.data["context"] || object["conversation"])
170 Logger.error("Couldn't fetch #{inspect(in_reply_to_id)}, error: #{inspect(e)}")
178 def fix_in_reply_to(object, _options), do: object
180 defp prepare_in_reply_to(in_reply_to) do
182 is_bitstring(in_reply_to) ->
185 is_map(in_reply_to) && is_bitstring(in_reply_to["id"]) ->
188 is_list(in_reply_to) && is_bitstring(Enum.at(in_reply_to, 0)) ->
189 Enum.at(in_reply_to, 0)
196 def fix_context(object) do
197 context = object["context"] || object["conversation"] || Utils.generate_context_id()
200 |> Map.put("context", context)
201 |> Map.put("conversation", context)
204 def fix_attachments(%{"attachment" => attachment} = object) when is_list(attachment) do
206 Enum.map(attachment, fn data ->
207 media_type = data["mediaType"] || data["mimeType"]
208 href = data["url"] || data["href"]
209 url = [%{"type" => "Link", "mediaType" => media_type, "href" => href}]
212 |> Map.put("mediaType", media_type)
213 |> Map.put("url", url)
216 Map.put(object, "attachment", attachments)
219 def fix_attachments(%{"attachment" => attachment} = object) when is_map(attachment) do
221 |> Map.put("attachment", [attachment])
225 def fix_attachments(object), do: object
227 def fix_url(%{"url" => url} = object) when is_map(url) do
228 Map.put(object, "url", url["href"])
231 def fix_url(%{"type" => "Video", "url" => url} = object) when is_list(url) do
232 first_element = Enum.at(url, 0)
234 link_element = Enum.find(url, fn x -> is_map(x) and x["mimeType"] == "text/html" end)
237 |> Map.put("attachment", [first_element])
238 |> Map.put("url", link_element["href"])
241 def fix_url(%{"type" => object_type, "url" => url} = object)
242 when object_type != "Video" and is_list(url) do
243 first_element = Enum.at(url, 0)
247 is_bitstring(first_element) -> first_element
248 is_map(first_element) -> first_element["href"] || ""
252 Map.put(object, "url", url_string)
255 def fix_url(object), do: object
257 def fix_emoji(%{"tag" => tags} = object) when is_list(tags) do
260 |> Enum.filter(fn data -> data["type"] == "Emoji" and data["icon"] end)
261 |> Enum.reduce(%{}, fn data, mapping ->
262 name = String.trim(data["name"], ":")
264 Map.put(mapping, name, data["icon"]["url"])
267 # we merge mastodon and pleroma emoji into a single mapping, to allow for both wire formats
268 emoji = Map.merge(object["emoji"] || %{}, emoji)
270 Map.put(object, "emoji", emoji)
273 def fix_emoji(%{"tag" => %{"type" => "Emoji"} = tag} = object) do
274 name = String.trim(tag["name"], ":")
275 emoji = %{name => tag["icon"]["url"]}
277 Map.put(object, "emoji", emoji)
280 def fix_emoji(object), do: object
282 def fix_tag(%{"tag" => tag} = object) when is_list(tag) do
285 |> Enum.filter(fn data -> data["type"] == "Hashtag" and data["name"] end)
286 |> Enum.map(fn data -> String.slice(data["name"], 1..-1) end)
288 Map.put(object, "tag", tag ++ tags)
291 def fix_tag(%{"tag" => %{"type" => "Hashtag", "name" => hashtag} = tag} = object) do
292 combined = [tag, String.slice(hashtag, 1..-1)]
294 Map.put(object, "tag", combined)
297 def fix_tag(%{"tag" => %{} = tag} = object), do: Map.put(object, "tag", [tag])
299 def fix_tag(object), do: object
301 # content map usually only has one language so this will do for now.
302 def fix_content_map(%{"contentMap" => content_map} = object) do
303 content_groups = Map.to_list(content_map)
304 {_, content} = Enum.at(content_groups, 0)
306 Map.put(object, "content", content)
309 def fix_content_map(object), do: object
311 def fix_type(object, options \\ [])
313 def fix_type(%{"inReplyTo" => reply_id, "name" => _} = object, options)
314 when is_binary(reply_id) do
315 with true <- Federator.allowed_incoming_reply_depth?(options[:depth]),
316 {:ok, %{data: %{"type" => "Question"} = _} = _} <- get_obj_helper(reply_id, options) do
317 Map.put(object, "type", "Answer")
323 def fix_type(object, _), do: object
325 defp mastodon_follow_hack(%{"id" => id, "actor" => follower_id}, followed) do
326 with true <- id =~ "follows",
327 %User{local: true} = follower <- User.get_cached_by_ap_id(follower_id),
328 %Activity{} = activity <- Utils.fetch_latest_follow(follower, followed) do
335 defp mastodon_follow_hack(_, _), do: {:error, nil}
337 defp get_follow_activity(follow_object, followed) do
338 with object_id when not is_nil(object_id) <- Utils.get_ap_id(follow_object),
339 {_, %Activity{} = activity} <- {:activity, Activity.get_by_ap_id(object_id)} do
342 # Can't find the activity. This might a Mastodon 2.3 "Accept"
344 mastodon_follow_hack(follow_object, followed)
351 # Reduce the object list to find the reported user.
352 defp get_reported(objects) do
353 Enum.reduce_while(objects, nil, fn ap_id, _ ->
354 with %User{} = user <- User.get_cached_by_ap_id(ap_id) do
362 def handle_incoming(data, options \\ [])
364 # Flag objects are placed ahead of the ID check because Mastodon 2.8 and earlier send them
366 def handle_incoming(%{"type" => "Flag", "object" => objects, "actor" => actor} = data, _options) do
367 with context <- data["context"] || Utils.generate_context_id(),
368 content <- data["content"] || "",
369 %User{} = actor <- User.get_cached_by_ap_id(actor),
370 # Reduce the object list to find the reported user.
371 %User{} = account <- get_reported(objects),
372 # Remove the reported user from the object list.
373 statuses <- Enum.filter(objects, fn ap_id -> ap_id != account.ap_id end) do
380 additional: %{"cc" => [account.ap_id]}
382 |> ActivityPub.flag()
386 # disallow objects with bogus IDs
387 def handle_incoming(%{"id" => nil}, _options), do: :error
388 def handle_incoming(%{"id" => ""}, _options), do: :error
389 # length of https:// = 8, should validate better, but good enough for now.
390 def handle_incoming(%{"id" => id}, _options) when is_binary(id) and byte_size(id) < 8,
393 # TODO: validate those with a Ecto scheme
397 %{"type" => "Create", "object" => %{"type" => objtype} = object} = data,
400 when objtype in ["Article", "Event", "Note", "Video", "Page", "Question", "Answer"] do
401 actor = Containment.get_actor(data)
404 Map.put(data, "actor", actor)
407 with nil <- Activity.get_create_by_object_ap_id(object["id"]),
408 {:ok, %User{} = user} <- User.get_or_fetch_by_ap_id(data["actor"]) do
409 options = Keyword.put(options, :depth, (options[:depth] || 0) + 1)
410 object = fix_object(data["object"], options)
416 context: object["conversation"],
418 published: data["published"],
427 ActivityPub.create(params)
429 %Activity{} = activity -> {:ok, activity}
435 %{"type" => "Listen", "object" => %{"type" => "Audio"} = object} = data,
438 actor = Containment.get_actor(data)
441 Map.put(data, "actor", actor)
444 with {:ok, %User{} = user} <- User.get_or_fetch_by_ap_id(data["actor"]) do
445 options = Keyword.put(options, :depth, (options[:depth] || 0) + 1)
446 object = fix_object(object, options)
454 published: data["published"],
455 additional: Map.take(data, ["cc", "id"])
458 ActivityPub.listen(params)
465 %{"type" => "Follow", "object" => followed, "actor" => follower, "id" => id} = data,
468 with %User{local: true} = followed <-
469 User.get_cached_by_ap_id(Containment.get_actor(%{"actor" => followed})),
470 {:ok, %User{} = follower} <-
471 User.get_or_fetch_by_ap_id(Containment.get_actor(%{"actor" => follower})),
472 {:ok, activity} <- ActivityPub.follow(follower, followed, id, false) do
473 with deny_follow_blocked <- Pleroma.Config.get([:user, :deny_follow_blocked]),
474 {_, false} <- {:user_blocked, User.blocks?(followed, follower) && deny_follow_blocked},
475 {_, false} <- {:user_locked, User.locked?(followed)},
476 {_, {:ok, follower}} <- {:follow, User.follow(follower, followed)},
478 {:follow_state_update, Utils.update_follow_state_for_all(activity, "accept")},
479 {:ok, _relationship} <- FollowingRelationship.update(follower, followed, "accept") do
480 ActivityPub.accept(%{
481 to: [follower.ap_id],
487 {:user_blocked, true} ->
488 {:ok, _} = Utils.update_follow_state_for_all(activity, "reject")
489 {:ok, _relationship} = FollowingRelationship.update(follower, followed, "reject")
491 ActivityPub.reject(%{
492 to: [follower.ap_id],
498 {:follow, {:error, _}} ->
499 {:ok, _} = Utils.update_follow_state_for_all(activity, "reject")
500 {:ok, _relationship} = FollowingRelationship.update(follower, followed, "reject")
502 ActivityPub.reject(%{
503 to: [follower.ap_id],
509 {:user_locked, true} ->
510 {:ok, _relationship} = FollowingRelationship.update(follower, followed, "pending")
522 %{"type" => "Accept", "object" => follow_object, "actor" => _actor, "id" => id} = data,
525 with actor <- Containment.get_actor(data),
526 {:ok, %User{} = followed} <- User.get_or_fetch_by_ap_id(actor),
527 {:ok, follow_activity} <- get_follow_activity(follow_object, followed),
528 {:ok, follow_activity} <- Utils.update_follow_state_for_all(follow_activity, "accept"),
529 %User{local: true} = follower <- User.get_cached_by_ap_id(follow_activity.data["actor"]),
530 {:ok, _relationship} <- FollowingRelationship.update(follower, followed, "accept") do
531 ActivityPub.accept(%{
532 to: follow_activity.data["to"],
535 object: follow_activity.data["id"],
545 %{"type" => "Reject", "object" => follow_object, "actor" => _actor, "id" => id} = data,
548 with actor <- Containment.get_actor(data),
549 {:ok, %User{} = followed} <- User.get_or_fetch_by_ap_id(actor),
550 {:ok, follow_activity} <- get_follow_activity(follow_object, followed),
551 {:ok, follow_activity} <- Utils.update_follow_state_for_all(follow_activity, "reject"),
552 %User{local: true} = follower <- User.get_cached_by_ap_id(follow_activity.data["actor"]),
553 {:ok, _relationship} <- FollowingRelationship.update(follower, followed, "reject"),
555 ActivityPub.reject(%{
556 to: follow_activity.data["to"],
559 object: follow_activity.data["id"],
569 @misskey_reactions %{
583 @doc "Rewrite misskey likes into EmojiReactions"
587 "_misskey_reaction" => reaction
592 |> Map.put("type", "EmojiReaction")
593 |> Map.put("content", @misskey_reactions[reaction] || reaction)
594 |> handle_incoming(options)
598 %{"type" => "Like", "object" => object_id, "actor" => _actor, "id" => id} = data,
601 with actor <- Containment.get_actor(data),
602 {:ok, %User{} = actor} <- User.get_or_fetch_by_ap_id(actor),
603 {:ok, object} <- get_obj_helper(object_id),
604 {:ok, activity, _object} <- ActivityPub.like(actor, object, id, false) do
613 "type" => "EmojiReaction",
614 "object" => object_id,
621 with actor <- Containment.get_actor(data),
622 {:ok, %User{} = actor} <- User.get_or_fetch_by_ap_id(actor),
623 {:ok, object} <- get_obj_helper(object_id),
624 {:ok, activity, _object} <-
625 ActivityPub.react_with_emoji(actor, object, emoji, activity_id: id, local: false) do
633 %{"type" => "Announce", "object" => object_id, "actor" => _actor, "id" => id} = data,
636 with actor <- Containment.get_actor(data),
637 {:ok, %User{} = actor} <- User.get_or_fetch_by_ap_id(actor),
638 {:ok, object} <- get_embedded_obj_helper(object_id, actor),
639 public <- Visibility.is_public?(data),
640 {:ok, activity, _object} <- ActivityPub.announce(actor, object, id, false, public) do
648 %{"type" => "Update", "object" => %{"type" => object_type} = object, "actor" => actor_id} =
652 when object_type in [
658 with %User{ap_id: ^actor_id} = actor <- User.get_cached_by_ap_id(object["id"]) do
659 {:ok, new_user_data} = ActivityPub.user_data_from_user_object(object)
662 |> User.upgrade_changeset(new_user_data, true)
663 |> User.update_and_set_cache()
665 ActivityPub.update(%{
667 to: data["to"] || [],
668 cc: data["cc"] || [],
671 activity_id: data["id"]
680 # TODO: We presently assume that any actor on the same origin domain as the object being
681 # deleted has the rights to delete that object. A better way to validate whether or not
682 # the object should be deleted is to refetch the object URI, which should return either
683 # an error or a tombstone. This would allow us to verify that a deletion actually took
686 %{"type" => "Delete", "object" => object_id, "actor" => actor, "id" => id} = data,
689 object_id = Utils.get_ap_id(object_id)
691 with actor <- Containment.get_actor(data),
692 {:ok, %User{} = actor} <- User.get_or_fetch_by_ap_id(actor),
693 {:ok, object} <- get_obj_helper(object_id),
694 :ok <- Containment.contain_origin(actor.ap_id, object.data),
696 ActivityPub.delete(object, local: false, activity_id: id, actor: actor.ap_id) do
700 case User.get_cached_by_ap_id(object_id) do
701 %User{ap_id: ^actor} = user ->
716 "object" => %{"type" => "Announce", "object" => object_id},
722 with actor <- Containment.get_actor(data),
723 {:ok, %User{} = actor} <- User.get_or_fetch_by_ap_id(actor),
724 {:ok, object} <- get_obj_helper(object_id),
725 {:ok, activity, _} <- ActivityPub.unannounce(actor, object, id, false) do
735 "object" => %{"type" => "Follow", "object" => followed},
741 with %User{local: true} = followed <- User.get_cached_by_ap_id(followed),
742 {:ok, %User{} = follower} <- User.get_or_fetch_by_ap_id(follower),
743 {:ok, activity} <- ActivityPub.unfollow(follower, followed, id, false) do
744 User.unfollow(follower, followed)
754 "object" => %{"type" => "EmojiReaction", "id" => reaction_activity_id},
760 with actor <- Containment.get_actor(data),
761 {:ok, %User{} = actor} <- User.get_or_fetch_by_ap_id(actor),
762 {:ok, activity, _} <-
763 ActivityPub.unreact_with_emoji(actor, reaction_activity_id,
776 "object" => %{"type" => "Block", "object" => blocked},
782 with %User{local: true} = blocked <- User.get_cached_by_ap_id(blocked),
783 {:ok, %User{} = blocker} <- User.get_or_fetch_by_ap_id(blocker),
784 {:ok, activity} <- ActivityPub.unblock(blocker, blocked, id, false) do
785 User.unblock(blocker, blocked)
793 %{"type" => "Block", "object" => blocked, "actor" => blocker, "id" => id} = _data,
796 with %User{local: true} = blocked = User.get_cached_by_ap_id(blocked),
797 {:ok, %User{} = blocker} = User.get_or_fetch_by_ap_id(blocker),
798 {:ok, activity} <- ActivityPub.block(blocker, blocked, id, false) do
799 User.unfollow(blocker, blocked)
800 User.block(blocker, blocked)
810 "object" => %{"type" => "Like", "object" => object_id},
816 with actor <- Containment.get_actor(data),
817 {:ok, %User{} = actor} <- User.get_or_fetch_by_ap_id(actor),
818 {:ok, object} <- get_obj_helper(object_id),
819 {:ok, activity, _, _} <- ActivityPub.unlike(actor, object, id, false) do
826 # For Undos that don't have the complete object attached, try to find it in our database.
834 when is_binary(object) do
835 with %Activity{data: data} <- Activity.get_by_ap_id(object) do
837 |> Map.put("object", data)
838 |> handle_incoming(options)
847 "actor" => origin_actor,
848 "object" => origin_actor,
849 "target" => target_actor
853 with %User{} = origin_user <- User.get_cached_by_ap_id(origin_actor),
854 {:ok, %User{} = target_user} <- User.get_or_fetch_by_ap_id(target_actor),
855 true <- origin_actor in target_user.also_known_as do
856 ActivityPub.move(origin_user, target_user, false)
862 def handle_incoming(_, _), do: :error
864 @spec get_obj_helper(String.t(), Keyword.t()) :: {:ok, Object.t()} | nil
865 def get_obj_helper(id, options \\ []) do
866 case Object.normalize(id, true, options) do
867 %Object{} = object -> {:ok, object}
872 @spec get_embedded_obj_helper(String.t() | Object.t(), User.t()) :: {:ok, Object.t()} | nil
873 def get_embedded_obj_helper(%{"attributedTo" => attributed_to, "id" => object_id} = data, %User{
876 when attributed_to == ap_id do
877 with {:ok, activity} <-
882 "actor" => attributed_to,
885 {:ok, Object.normalize(activity)}
887 _ -> get_obj_helper(object_id)
891 def get_embedded_obj_helper(object_id, _) do
892 get_obj_helper(object_id)
895 def set_reply_to_uri(%{"inReplyTo" => in_reply_to} = object) when is_binary(in_reply_to) do
896 with false <- String.starts_with?(in_reply_to, "http"),
897 {:ok, %{data: replied_to_object}} <- get_obj_helper(in_reply_to) do
898 Map.put(object, "inReplyTo", replied_to_object["external_url"] || in_reply_to)
904 def set_reply_to_uri(obj), do: obj
907 Serialized Mastodon-compatible `replies` collection containing _self-replies_.
908 Based on Mastodon's ActivityPub::NoteSerializer#replies.
910 def set_replies(obj) do
911 limit = Pleroma.Config.get([:mastodon_compatibility, :federated_note_replies_limit], 0)
914 with true <- limit > 0 || nil,
915 %Activity{} = activity <- Activity.get_create_by_object_ap_id(obj["id"]) do
917 |> Activity.self_replies()
918 |> select([a], fragment("?->>'id'", a.data))
923 set_replies(obj, replies_uris || [])
926 defp set_replies(obj, replies_uris) when replies_uris in [nil, []] do
930 defp set_replies(obj, replies_uris) do
931 # Note: stubs (Mastodon doesn't make separate requests via those URIs in FetchRepliesService)
932 masto_replies_uri = nil
933 masto_replies_next_page_uri = nil
935 replies_collection = %{
936 "type" => "Collection",
937 "id" => masto_replies_uri,
939 "type" => "Collection",
940 "part_of" => masto_replies_uri,
941 "items" => replies_uris,
942 "next" => masto_replies_next_page_uri
946 Map.merge(obj, %{"replies" => replies_collection})
949 # Prepares the object of an outgoing create activity.
950 def prepare_object(object) do
957 |> prepare_attachments
961 |> strip_internal_fields
962 |> strip_internal_tags
968 # internal -> Mastodon
971 def prepare_outgoing(%{"type" => activity_type, "object" => object_id} = data)
972 when activity_type in ["Create", "Listen"] do
975 |> Object.normalize()
981 |> Map.put("object", object)
982 |> Map.merge(Utils.make_json_ld_header())
988 def prepare_outgoing(%{"type" => "Announce", "actor" => ap_id, "object" => object_id} = data) do
991 |> Object.normalize()
994 if Visibility.is_private?(object) && object.data["actor"] == ap_id do
995 data |> Map.put("object", object |> Map.get(:data) |> prepare_object)
997 data |> maybe_fix_object_url
1002 |> strip_internal_fields
1003 |> Map.merge(Utils.make_json_ld_header())
1004 |> Map.delete("bcc")
1009 # Mastodon Accept/Reject requires a non-normalized object containing the actor URIs,
1010 # because of course it does.
1011 def prepare_outgoing(%{"type" => "Accept"} = data) do
1012 with follow_activity <- Activity.normalize(data["object"]) do
1014 "actor" => follow_activity.actor,
1015 "object" => follow_activity.data["object"],
1016 "id" => follow_activity.data["id"],
1022 |> Map.put("object", object)
1023 |> Map.merge(Utils.make_json_ld_header())
1029 def prepare_outgoing(%{"type" => "Reject"} = data) do
1030 with follow_activity <- Activity.normalize(data["object"]) do
1032 "actor" => follow_activity.actor,
1033 "object" => follow_activity.data["object"],
1034 "id" => follow_activity.data["id"],
1040 |> Map.put("object", object)
1041 |> Map.merge(Utils.make_json_ld_header())
1047 def prepare_outgoing(%{"type" => _type} = data) do
1050 |> strip_internal_fields
1051 |> maybe_fix_object_url
1052 |> Map.merge(Utils.make_json_ld_header())
1057 def maybe_fix_object_url(%{"object" => object} = data) when is_binary(object) do
1058 with false <- String.starts_with?(object, "http"),
1059 {:fetch, {:ok, relative_object}} <- {:fetch, get_obj_helper(object)},
1060 %{data: %{"external_url" => external_url}} when not is_nil(external_url) <-
1062 Map.put(data, "object", external_url)
1065 Logger.error("Couldn't fetch #{object} #{inspect(e)}")
1073 def maybe_fix_object_url(data), do: data
1075 def add_hashtags(object) do
1077 (object["tag"] || [])
1079 # Expand internal representation tags into AS2 tags.
1080 tag when is_binary(tag) ->
1082 "href" => Pleroma.Web.Endpoint.url() <> "/tags/#{tag}",
1083 "name" => "##{tag}",
1087 # Do not process tags which are already AS2 tag objects.
1088 tag when is_map(tag) ->
1092 Map.put(object, "tag", tags)
1095 def add_mention_tags(object) do
1098 |> Utils.get_notified_from_object()
1099 |> Enum.map(&build_mention_tag/1)
1101 tags = object["tag"] || []
1103 Map.put(object, "tag", tags ++ mentions)
1106 defp build_mention_tag(%{ap_id: ap_id, nickname: nickname} = _) do
1107 %{"type" => "Mention", "href" => ap_id, "name" => "@#{nickname}"}
1110 def take_emoji_tags(%User{emoji: emoji}) do
1112 |> Enum.flat_map(&Map.to_list/1)
1113 |> Enum.map(&build_emoji_tag/1)
1116 # TODO: we should probably send mtime instead of unix epoch time for updated
1117 def add_emoji_tags(%{"emoji" => emoji} = object) do
1118 tags = object["tag"] || []
1120 out = Enum.map(emoji, &build_emoji_tag/1)
1122 Map.put(object, "tag", tags ++ out)
1125 def add_emoji_tags(object), do: object
1127 defp build_emoji_tag({name, url}) do
1129 "icon" => %{"url" => url, "type" => "Image"},
1130 "name" => ":" <> name <> ":",
1132 "updated" => "1970-01-01T00:00:00Z",
1137 def set_conversation(object) do
1138 Map.put(object, "conversation", object["context"])
1141 def set_sensitive(object) do
1142 tags = object["tag"] || []
1143 Map.put(object, "sensitive", "nsfw" in tags)
1146 def set_type(%{"type" => "Answer"} = object) do
1147 Map.put(object, "type", "Note")
1150 def set_type(object), do: object
1152 def add_attributed_to(object) do
1153 attributed_to = object["attributedTo"] || object["actor"]
1154 Map.put(object, "attributedTo", attributed_to)
1157 def prepare_attachments(object) do
1159 (object["attachment"] || [])
1160 |> Enum.map(fn data ->
1161 [%{"mediaType" => media_type, "href" => href} | _] = data["url"]
1162 %{"url" => href, "mediaType" => media_type, "name" => data["name"], "type" => "Document"}
1165 Map.put(object, "attachment", attachments)
1168 def strip_internal_fields(object) do
1170 |> Map.drop(Pleroma.Constants.object_internal_fields())
1173 defp strip_internal_tags(%{"tag" => tags} = object) do
1174 tags = Enum.filter(tags, fn x -> is_map(x) end)
1176 Map.put(object, "tag", tags)
1179 defp strip_internal_tags(object), do: object
1181 def perform(:user_upgrade, user) do
1182 # we pass a fake user so that the followers collection is stripped away
1183 old_follower_address = User.ap_followers(%User{nickname: user.nickname})
1187 where: ^old_follower_address in a.recipients,
1192 "array_replace(?,?,?)",
1194 ^old_follower_address,
1195 ^user.follower_address
1200 |> Repo.update_all([])
1203 def upgrade_user_from_ap_id(ap_id) do
1204 with %User{local: false} = user <- User.get_cached_by_ap_id(ap_id),
1205 {:ok, data} <- ActivityPub.fetch_and_prepare_user_from_ap_id(ap_id),
1206 already_ap <- User.ap_enabled?(user),
1207 {:ok, user} <- upgrade_user(user, data) do
1208 if not already_ap do
1209 TransmogrifierWorker.enqueue("user_upgrade", %{"user_id" => user.id})
1214 %User{} = user -> {:ok, user}
1219 defp upgrade_user(user, data) do
1221 |> User.upgrade_changeset(data, true)
1222 |> User.update_and_set_cache()
1225 def maybe_fix_user_url(%{"url" => url} = data) when is_map(url) do
1226 Map.put(data, "url", url["href"])
1229 def maybe_fix_user_url(data), do: data
1231 def maybe_fix_user_object(data), do: maybe_fix_user_url(data)