1 # Pleroma: A lightweight social networking server
2 # Copyright © 2017-2020 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.ObjectValidator
17 alias Pleroma.Web.ActivityPub.ObjectValidators.LikeValidator
18 alias Pleroma.Web.ActivityPub.Pipeline
19 alias Pleroma.Web.ActivityPub.Utils
20 alias Pleroma.Web.ActivityPub.Visibility
21 alias Pleroma.Web.Federator
22 alias Pleroma.Workers.TransmogrifierWorker
27 require Pleroma.Constants
30 Modifies an incoming AP object (mastodon format) to our internal format.
32 def fix_object(object, options \\ []) do
34 |> strip_internal_fields
39 |> fix_in_reply_to(options)
48 def fix_summary(%{"summary" => nil} = object) do
49 Map.put(object, "summary", "")
52 def fix_summary(%{"summary" => _} = object) do
53 # summary is present, nothing to do
57 def fix_summary(object), do: Map.put(object, "summary", "")
59 def fix_addressing_list(map, field) do
61 is_binary(map[field]) ->
62 Map.put(map, field, [map[field]])
65 Map.put(map, field, [])
72 def fix_explicit_addressing(
73 %{"to" => to, "cc" => cc} = object,
77 explicit_to = Enum.filter(to, fn x -> x in explicit_mentions end)
79 explicit_cc = Enum.filter(to, fn x -> x not in explicit_mentions end)
83 |> Enum.reject(fn x -> String.ends_with?(x, "/followers") and x != follower_collection end)
87 |> Map.put("to", explicit_to)
88 |> Map.put("cc", final_cc)
91 def fix_explicit_addressing(object, _explicit_mentions, _followers_collection), do: object
93 # if directMessage flag is set to true, leave the addressing alone
94 def fix_explicit_addressing(%{"directMessage" => true} = object), do: object
96 def fix_explicit_addressing(object) do
97 explicit_mentions = Utils.determine_explicit_mentions(object)
99 %User{follower_address: follower_collection} =
101 |> Containment.get_actor()
102 |> User.get_cached_by_ap_id()
107 Pleroma.Constants.as_public(),
111 fix_explicit_addressing(object, explicit_mentions, follower_collection)
114 # if as:Public is addressed, then make sure the followers collection is also addressed
115 # so that the activities will be delivered to local users.
116 def fix_implicit_addressing(%{"to" => to, "cc" => cc} = object, followers_collection) do
117 recipients = to ++ cc
119 if followers_collection not in recipients do
121 Pleroma.Constants.as_public() in cc ->
122 to = to ++ [followers_collection]
123 Map.put(object, "to", to)
125 Pleroma.Constants.as_public() in to ->
126 cc = cc ++ [followers_collection]
127 Map.put(object, "cc", cc)
137 def fix_implicit_addressing(object, _), do: object
139 def fix_addressing(object) do
140 {:ok, %User{} = user} = User.get_or_fetch_by_ap_id(object["actor"])
141 followers_collection = User.ap_followers(user)
144 |> fix_addressing_list("to")
145 |> fix_addressing_list("cc")
146 |> fix_addressing_list("bto")
147 |> fix_addressing_list("bcc")
148 |> fix_explicit_addressing()
149 |> fix_implicit_addressing(followers_collection)
152 def fix_actor(%{"attributedTo" => actor} = object) do
153 Map.put(object, "actor", Containment.get_actor(%{"actor" => actor}))
156 def fix_in_reply_to(object, options \\ [])
158 def fix_in_reply_to(%{"inReplyTo" => in_reply_to} = object, options)
159 when not is_nil(in_reply_to) do
160 in_reply_to_id = prepare_in_reply_to(in_reply_to)
161 object = Map.put(object, "inReplyToAtomUri", in_reply_to_id)
162 depth = (options[:depth] || 0) + 1
164 if Federator.allowed_thread_distance?(depth) do
165 with {:ok, replied_object} <- get_obj_helper(in_reply_to_id, options),
166 %Activity{} <- Activity.get_create_by_object_ap_id(replied_object.data["id"]) do
168 |> Map.put("inReplyTo", replied_object.data["id"])
169 |> Map.put("inReplyToAtomUri", object["inReplyToAtomUri"] || in_reply_to_id)
170 |> Map.put("conversation", replied_object.data["context"] || object["conversation"])
171 |> Map.put("context", replied_object.data["context"] || object["conversation"])
174 Logger.error("Couldn't fetch #{inspect(in_reply_to_id)}, error: #{inspect(e)}")
182 def fix_in_reply_to(object, _options), do: object
184 defp prepare_in_reply_to(in_reply_to) do
186 is_bitstring(in_reply_to) ->
189 is_map(in_reply_to) && is_bitstring(in_reply_to["id"]) ->
192 is_list(in_reply_to) && is_bitstring(Enum.at(in_reply_to, 0)) ->
193 Enum.at(in_reply_to, 0)
200 def fix_context(object) do
201 context = object["context"] || object["conversation"] || Utils.generate_context_id()
204 |> Map.put("context", context)
205 |> Map.put("conversation", context)
208 def fix_attachments(%{"attachment" => attachment} = object) when is_list(attachment) do
210 Enum.map(attachment, fn data ->
211 media_type = data["mediaType"] || data["mimeType"]
212 href = data["url"] || data["href"]
213 url = [%{"type" => "Link", "mediaType" => media_type, "href" => href}]
216 |> Map.put("mediaType", media_type)
217 |> Map.put("url", url)
220 Map.put(object, "attachment", attachments)
223 def fix_attachments(%{"attachment" => attachment} = object) when is_map(attachment) do
225 |> Map.put("attachment", [attachment])
229 def fix_attachments(object), do: object
231 def fix_url(%{"url" => url} = object) when is_map(url) do
232 Map.put(object, "url", url["href"])
235 def fix_url(%{"type" => "Video", "url" => url} = object) when is_list(url) do
236 first_element = Enum.at(url, 0)
238 link_element = Enum.find(url, fn x -> is_map(x) and x["mimeType"] == "text/html" end)
241 |> Map.put("attachment", [first_element])
242 |> Map.put("url", link_element["href"])
245 def fix_url(%{"type" => object_type, "url" => url} = object)
246 when object_type != "Video" and is_list(url) do
247 first_element = Enum.at(url, 0)
251 is_bitstring(first_element) -> first_element
252 is_map(first_element) -> first_element["href"] || ""
256 Map.put(object, "url", url_string)
259 def fix_url(object), do: object
261 def fix_emoji(%{"tag" => tags} = object) when is_list(tags) do
264 |> Enum.filter(fn data -> data["type"] == "Emoji" and data["icon"] end)
265 |> Enum.reduce(%{}, fn data, mapping ->
266 name = String.trim(data["name"], ":")
268 Map.put(mapping, name, data["icon"]["url"])
271 # we merge mastodon and pleroma emoji into a single mapping, to allow for both wire formats
272 emoji = Map.merge(object["emoji"] || %{}, emoji)
274 Map.put(object, "emoji", emoji)
277 def fix_emoji(%{"tag" => %{"type" => "Emoji"} = tag} = object) do
278 name = String.trim(tag["name"], ":")
279 emoji = %{name => tag["icon"]["url"]}
281 Map.put(object, "emoji", emoji)
284 def fix_emoji(object), do: object
286 def fix_tag(%{"tag" => tag} = object) when is_list(tag) do
289 |> Enum.filter(fn data -> data["type"] == "Hashtag" and data["name"] end)
290 |> Enum.map(fn data -> String.slice(data["name"], 1..-1) end)
292 Map.put(object, "tag", tag ++ tags)
295 def fix_tag(%{"tag" => %{"type" => "Hashtag", "name" => hashtag} = tag} = object) do
296 combined = [tag, String.slice(hashtag, 1..-1)]
298 Map.put(object, "tag", combined)
301 def fix_tag(%{"tag" => %{} = tag} = object), do: Map.put(object, "tag", [tag])
303 def fix_tag(object), do: object
305 # content map usually only has one language so this will do for now.
306 def fix_content_map(%{"contentMap" => content_map} = object) do
307 content_groups = Map.to_list(content_map)
308 {_, content} = Enum.at(content_groups, 0)
310 Map.put(object, "content", content)
313 def fix_content_map(object), do: object
315 def fix_type(object, options \\ [])
317 def fix_type(%{"inReplyTo" => reply_id, "name" => _} = object, options)
318 when is_binary(reply_id) do
319 with true <- Federator.allowed_thread_distance?(options[:depth]),
320 {:ok, %{data: %{"type" => "Question"} = _} = _} <- get_obj_helper(reply_id, options) do
321 Map.put(object, "type", "Answer")
327 def fix_type(object, _), do: object
329 defp mastodon_follow_hack(%{"id" => id, "actor" => follower_id}, followed) do
330 with true <- id =~ "follows",
331 %User{local: true} = follower <- User.get_cached_by_ap_id(follower_id),
332 %Activity{} = activity <- Utils.fetch_latest_follow(follower, followed) do
339 defp mastodon_follow_hack(_, _), do: {:error, nil}
341 defp get_follow_activity(follow_object, followed) do
342 with object_id when not is_nil(object_id) <- Utils.get_ap_id(follow_object),
343 {_, %Activity{} = activity} <- {:activity, Activity.get_by_ap_id(object_id)} do
346 # Can't find the activity. This might a Mastodon 2.3 "Accept"
348 mastodon_follow_hack(follow_object, followed)
355 # Reduce the object list to find the reported user.
356 defp get_reported(objects) do
357 Enum.reduce_while(objects, nil, fn ap_id, _ ->
358 with %User{} = user <- User.get_cached_by_ap_id(ap_id) do
366 def handle_incoming(data, options \\ [])
368 # Flag objects are placed ahead of the ID check because Mastodon 2.8 and earlier send them
370 def handle_incoming(%{"type" => "Flag", "object" => objects, "actor" => actor} = data, _options) do
371 with context <- data["context"] || Utils.generate_context_id(),
372 content <- data["content"] || "",
373 %User{} = actor <- User.get_cached_by_ap_id(actor),
374 # Reduce the object list to find the reported user.
375 %User{} = account <- get_reported(objects),
376 # Remove the reported user from the object list.
377 statuses <- Enum.filter(objects, fn ap_id -> ap_id != account.ap_id end) do
384 additional: %{"cc" => [account.ap_id]}
386 |> ActivityPub.flag()
390 # disallow objects with bogus IDs
391 def handle_incoming(%{"id" => nil}, _options), do: :error
392 def handle_incoming(%{"id" => ""}, _options), do: :error
393 # length of https:// = 8, should validate better, but good enough for now.
394 def handle_incoming(%{"id" => id}, _options) when is_binary(id) and byte_size(id) < 8,
397 # TODO: validate those with a Ecto scheme
401 %{"type" => "Create", "object" => %{"type" => objtype} = object} = data,
404 when objtype in ["Article", "Event", "Note", "Video", "Page", "Question", "Answer"] do
405 actor = Containment.get_actor(data)
408 Map.put(data, "actor", actor)
411 with nil <- Activity.get_create_by_object_ap_id(object["id"]),
412 {:ok, %User{} = user} <- User.get_or_fetch_by_ap_id(data["actor"]) do
413 object = fix_object(object, options)
419 context: object["conversation"],
421 published: data["published"],
430 with {:ok, created_activity} <- ActivityPub.create(params) do
431 reply_depth = (options[:depth] || 0) + 1
433 if Federator.allowed_thread_distance?(reply_depth) do
434 for reply_id <- replies(object) do
435 Pleroma.Workers.RemoteFetcherWorker.enqueue("fetch_remote", %{
437 "depth" => reply_depth
442 {:ok, created_activity}
445 %Activity{} = activity -> {:ok, activity}
451 %{"type" => "Listen", "object" => %{"type" => "Audio"} = object} = data,
454 actor = Containment.get_actor(data)
457 Map.put(data, "actor", actor)
460 with {:ok, %User{} = user} <- User.get_or_fetch_by_ap_id(data["actor"]) do
461 reply_depth = (options[:depth] || 0) + 1
462 options = Keyword.put(options, :depth, reply_depth)
463 object = fix_object(object, options)
471 published: data["published"],
472 additional: Map.take(data, ["cc", "id"])
475 ActivityPub.listen(params)
482 %{"type" => "Follow", "object" => followed, "actor" => follower, "id" => id} = data,
485 with %User{local: true} = followed <-
486 User.get_cached_by_ap_id(Containment.get_actor(%{"actor" => followed})),
487 {:ok, %User{} = follower} <-
488 User.get_or_fetch_by_ap_id(Containment.get_actor(%{"actor" => follower})),
489 {:ok, activity} <- ActivityPub.follow(follower, followed, id, false) do
490 with deny_follow_blocked <- Pleroma.Config.get([:user, :deny_follow_blocked]),
491 {_, false} <- {:user_blocked, User.blocks?(followed, follower) && deny_follow_blocked},
492 {_, false} <- {:user_locked, User.locked?(followed)},
493 {_, {:ok, follower}} <- {:follow, User.follow(follower, followed)},
495 {:follow_state_update, Utils.update_follow_state_for_all(activity, "accept")},
496 {:ok, _relationship} <- FollowingRelationship.update(follower, followed, "accept") do
497 ActivityPub.accept(%{
498 to: [follower.ap_id],
504 {:user_blocked, true} ->
505 {:ok, _} = Utils.update_follow_state_for_all(activity, "reject")
506 {:ok, _relationship} = FollowingRelationship.update(follower, followed, "reject")
508 ActivityPub.reject(%{
509 to: [follower.ap_id],
515 {:follow, {:error, _}} ->
516 {:ok, _} = Utils.update_follow_state_for_all(activity, "reject")
517 {:ok, _relationship} = FollowingRelationship.update(follower, followed, "reject")
519 ActivityPub.reject(%{
520 to: [follower.ap_id],
526 {:user_locked, true} ->
527 {:ok, _relationship} = FollowingRelationship.update(follower, followed, "pending")
539 %{"type" => "Accept", "object" => follow_object, "actor" => _actor, "id" => id} = data,
542 with actor <- Containment.get_actor(data),
543 {:ok, %User{} = followed} <- User.get_or_fetch_by_ap_id(actor),
544 {:ok, follow_activity} <- get_follow_activity(follow_object, followed),
545 {:ok, follow_activity} <- Utils.update_follow_state_for_all(follow_activity, "accept"),
546 %User{local: true} = follower <- User.get_cached_by_ap_id(follow_activity.data["actor"]),
547 {:ok, _relationship} <- FollowingRelationship.update(follower, followed, "accept") do
548 ActivityPub.accept(%{
549 to: follow_activity.data["to"],
552 object: follow_activity.data["id"],
562 %{"type" => "Reject", "object" => follow_object, "actor" => _actor, "id" => id} = data,
565 with actor <- Containment.get_actor(data),
566 {:ok, %User{} = followed} <- User.get_or_fetch_by_ap_id(actor),
567 {:ok, follow_activity} <- get_follow_activity(follow_object, followed),
568 {:ok, follow_activity} <- Utils.update_follow_state_for_all(follow_activity, "reject"),
569 %User{local: true} = follower <- User.get_cached_by_ap_id(follow_activity.data["actor"]),
570 {:ok, _relationship} <- FollowingRelationship.update(follower, followed, "reject"),
572 ActivityPub.reject(%{
573 to: follow_activity.data["to"],
576 object: follow_activity.data["id"],
586 @misskey_reactions %{
600 @doc "Rewrite misskey likes into EmojiReacts"
604 "_misskey_reaction" => reaction
609 |> Map.put("type", "EmojiReact")
610 |> Map.put("content", @misskey_reactions[reaction] || reaction)
611 |> handle_incoming(options)
614 def handle_incoming(%{"type" => "Like"} = data, _options) do
615 with {_, {:ok, cast_data_sym}} <-
617 data |> LikeValidator.cast_data() |> Ecto.Changeset.apply_action(:insert)},
619 {:stringify_keys, ObjectValidator.stringify_keys(cast_data_sym |> Map.from_struct())},
620 :ok <- ObjectValidator.fetch_actor_and_object(cast_data),
621 {_, {:ok, cast_data}} <- {:maybe_add_context, maybe_add_context_from_object(cast_data)},
622 {_, {:ok, cast_data}} <-
623 {:maybe_add_recipients, maybe_add_recipients_from_object(cast_data)},
624 {_, {:ok, activity, _meta}} <-
625 {:common_pipeline, Pipeline.common_pipeline(cast_data, local: false)} do
634 "type" => "EmojiReact",
635 "object" => object_id,
642 with actor <- Containment.get_actor(data),
643 {:ok, %User{} = actor} <- User.get_or_fetch_by_ap_id(actor),
644 {:ok, object} <- get_obj_helper(object_id),
645 {:ok, activity, _object} <-
646 ActivityPub.react_with_emoji(actor, object, emoji, activity_id: id, local: false) do
654 %{"type" => "Announce", "object" => object_id, "actor" => _actor, "id" => id} = data,
657 with actor <- Containment.get_actor(data),
658 {:ok, %User{} = actor} <- User.get_or_fetch_by_ap_id(actor),
659 {:ok, object} <- get_embedded_obj_helper(object_id, actor),
660 public <- Visibility.is_public?(data),
661 {:ok, activity, _object} <- ActivityPub.announce(actor, object, id, false, public) do
669 %{"type" => "Update", "object" => %{"type" => object_type} = object, "actor" => actor_id} =
673 when object_type in [
679 with %User{ap_id: ^actor_id} = actor <- User.get_cached_by_ap_id(object["id"]) do
680 {:ok, new_user_data} = ActivityPub.user_data_from_user_object(object)
683 |> User.upgrade_changeset(new_user_data, true)
684 |> User.update_and_set_cache()
686 ActivityPub.update(%{
688 to: data["to"] || [],
689 cc: data["cc"] || [],
692 activity_id: data["id"]
701 # TODO: We presently assume that any actor on the same origin domain as the object being
702 # deleted has the rights to delete that object. A better way to validate whether or not
703 # the object should be deleted is to refetch the object URI, which should return either
704 # an error or a tombstone. This would allow us to verify that a deletion actually took
707 %{"type" => "Delete", "object" => object_id, "actor" => actor, "id" => id} = data,
710 object_id = Utils.get_ap_id(object_id)
712 with actor <- Containment.get_actor(data),
713 {:ok, %User{} = actor} <- User.get_or_fetch_by_ap_id(actor),
714 {:ok, object} <- get_obj_helper(object_id),
715 :ok <- Containment.contain_origin(actor.ap_id, object.data),
717 ActivityPub.delete(object, local: false, activity_id: id, actor: actor.ap_id) do
721 case User.get_cached_by_ap_id(object_id) do
722 %User{ap_id: ^actor} = user ->
737 "object" => %{"type" => "Announce", "object" => object_id},
743 with actor <- Containment.get_actor(data),
744 {:ok, %User{} = actor} <- User.get_or_fetch_by_ap_id(actor),
745 {:ok, object} <- get_obj_helper(object_id),
746 {:ok, activity, _} <- ActivityPub.unannounce(actor, object, id, false) do
756 "object" => %{"type" => "Follow", "object" => followed},
762 with %User{local: true} = followed <- User.get_cached_by_ap_id(followed),
763 {:ok, %User{} = follower} <- User.get_or_fetch_by_ap_id(follower),
764 {:ok, activity} <- ActivityPub.unfollow(follower, followed, id, false) do
765 User.unfollow(follower, followed)
775 "object" => %{"type" => "EmojiReact", "id" => reaction_activity_id},
781 with actor <- Containment.get_actor(data),
782 {:ok, %User{} = actor} <- User.get_or_fetch_by_ap_id(actor),
783 {:ok, activity, _} <-
784 ActivityPub.unreact_with_emoji(actor, reaction_activity_id,
797 "object" => %{"type" => "Block", "object" => blocked},
803 with %User{local: true} = blocked <- User.get_cached_by_ap_id(blocked),
804 {:ok, %User{} = blocker} <- User.get_or_fetch_by_ap_id(blocker),
805 {:ok, activity} <- ActivityPub.unblock(blocker, blocked, id, false) do
806 User.unblock(blocker, blocked)
814 %{"type" => "Block", "object" => blocked, "actor" => blocker, "id" => id} = _data,
817 with %User{local: true} = blocked = User.get_cached_by_ap_id(blocked),
818 {:ok, %User{} = blocker} = User.get_or_fetch_by_ap_id(blocker),
819 {:ok, activity} <- ActivityPub.block(blocker, blocked, id, false) do
820 User.unfollow(blocker, blocked)
821 User.block(blocker, blocked)
831 "object" => %{"type" => "Like", "object" => object_id},
837 with actor <- Containment.get_actor(data),
838 {:ok, %User{} = actor} <- User.get_or_fetch_by_ap_id(actor),
839 {:ok, object} <- get_obj_helper(object_id),
840 {:ok, activity, _, _} <- ActivityPub.unlike(actor, object, id, false) do
847 # For Undos that don't have the complete object attached, try to find it in our database.
855 when is_binary(object) do
856 with %Activity{data: data} <- Activity.get_by_ap_id(object) do
858 |> Map.put("object", data)
859 |> handle_incoming(options)
868 "actor" => origin_actor,
869 "object" => origin_actor,
870 "target" => target_actor
874 with %User{} = origin_user <- User.get_cached_by_ap_id(origin_actor),
875 {:ok, %User{} = target_user} <- User.get_or_fetch_by_ap_id(target_actor),
876 true <- origin_actor in target_user.also_known_as do
877 ActivityPub.move(origin_user, target_user, false)
883 def handle_incoming(_, _), do: :error
885 @spec get_obj_helper(String.t(), Keyword.t()) :: {:ok, Object.t()} | nil
886 def get_obj_helper(id, options \\ []) do
887 case Object.normalize(id, true, options) do
888 %Object{} = object -> {:ok, object}
893 @spec get_embedded_obj_helper(String.t() | Object.t(), User.t()) :: {:ok, Object.t()} | nil
894 def get_embedded_obj_helper(%{"attributedTo" => attributed_to, "id" => object_id} = data, %User{
897 when attributed_to == ap_id do
898 with {:ok, activity} <-
903 "actor" => attributed_to,
906 {:ok, Object.normalize(activity)}
908 _ -> get_obj_helper(object_id)
912 def get_embedded_obj_helper(object_id, _) do
913 get_obj_helper(object_id)
916 def set_reply_to_uri(%{"inReplyTo" => in_reply_to} = object) when is_binary(in_reply_to) do
917 with false <- String.starts_with?(in_reply_to, "http"),
918 {:ok, %{data: replied_to_object}} <- get_obj_helper(in_reply_to) do
919 Map.put(object, "inReplyTo", replied_to_object["external_url"] || in_reply_to)
925 def set_reply_to_uri(obj), do: obj
928 Serialized Mastodon-compatible `replies` collection containing _self-replies_.
929 Based on Mastodon's ActivityPub::NoteSerializer#replies.
931 def set_replies(obj_data) do
933 with limit when limit > 0 <-
934 Pleroma.Config.get([:activitypub, :note_replies_output_limit], 0),
935 %Object{} = object <- Object.get_cached_by_ap_id(obj_data["id"]) do
937 |> Object.self_replies()
938 |> select([o], fragment("?->>'id'", o.data))
945 set_replies(obj_data, replies_uris)
948 defp set_replies(obj, []) do
952 defp set_replies(obj, replies_uris) do
953 replies_collection = %{
954 "type" => "Collection",
955 "items" => replies_uris
958 Map.merge(obj, %{"replies" => replies_collection})
961 def replies(%{"replies" => %{"first" => %{"items" => items}}}) when not is_nil(items) do
965 def replies(%{"replies" => %{"items" => items}}) when not is_nil(items) do
969 def replies(_), do: []
971 # Prepares the object of an outgoing create activity.
972 def prepare_object(object) do
979 |> prepare_attachments
983 |> strip_internal_fields
984 |> strip_internal_tags
990 # internal -> Mastodon
993 def prepare_outgoing(%{"type" => activity_type, "object" => object_id} = data)
994 when activity_type in ["Create", "Listen"] do
997 |> Object.normalize()
1003 |> Map.put("object", object)
1004 |> Map.merge(Utils.make_json_ld_header())
1005 |> Map.delete("bcc")
1010 def prepare_outgoing(%{"type" => "Announce", "actor" => ap_id, "object" => object_id} = data) do
1013 |> Object.normalize()
1016 if Visibility.is_private?(object) && object.data["actor"] == ap_id do
1017 data |> Map.put("object", object |> Map.get(:data) |> prepare_object)
1019 data |> maybe_fix_object_url
1024 |> strip_internal_fields
1025 |> Map.merge(Utils.make_json_ld_header())
1026 |> Map.delete("bcc")
1031 # Mastodon Accept/Reject requires a non-normalized object containing the actor URIs,
1032 # because of course it does.
1033 def prepare_outgoing(%{"type" => "Accept"} = data) do
1034 with follow_activity <- Activity.normalize(data["object"]) do
1036 "actor" => follow_activity.actor,
1037 "object" => follow_activity.data["object"],
1038 "id" => follow_activity.data["id"],
1044 |> Map.put("object", object)
1045 |> Map.merge(Utils.make_json_ld_header())
1051 def prepare_outgoing(%{"type" => "Reject"} = data) do
1052 with follow_activity <- Activity.normalize(data["object"]) do
1054 "actor" => follow_activity.actor,
1055 "object" => follow_activity.data["object"],
1056 "id" => follow_activity.data["id"],
1062 |> Map.put("object", object)
1063 |> Map.merge(Utils.make_json_ld_header())
1069 def prepare_outgoing(%{"type" => _type} = data) do
1072 |> strip_internal_fields
1073 |> maybe_fix_object_url
1074 |> Map.merge(Utils.make_json_ld_header())
1079 def maybe_fix_object_url(%{"object" => object} = data) when is_binary(object) do
1080 with false <- String.starts_with?(object, "http"),
1081 {:fetch, {:ok, relative_object}} <- {:fetch, get_obj_helper(object)},
1082 %{data: %{"external_url" => external_url}} when not is_nil(external_url) <-
1084 Map.put(data, "object", external_url)
1087 Logger.error("Couldn't fetch #{object} #{inspect(e)}")
1095 def maybe_fix_object_url(data), do: data
1097 def add_hashtags(object) do
1099 (object["tag"] || [])
1101 # Expand internal representation tags into AS2 tags.
1102 tag when is_binary(tag) ->
1104 "href" => Pleroma.Web.Endpoint.url() <> "/tags/#{tag}",
1105 "name" => "##{tag}",
1109 # Do not process tags which are already AS2 tag objects.
1110 tag when is_map(tag) ->
1114 Map.put(object, "tag", tags)
1117 def add_mention_tags(object) do
1120 |> Utils.get_notified_from_object()
1121 |> Enum.map(&build_mention_tag/1)
1123 tags = object["tag"] || []
1125 Map.put(object, "tag", tags ++ mentions)
1128 defp build_mention_tag(%{ap_id: ap_id, nickname: nickname} = _) do
1129 %{"type" => "Mention", "href" => ap_id, "name" => "@#{nickname}"}
1132 def take_emoji_tags(%User{emoji: emoji}) do
1134 |> Enum.flat_map(&Map.to_list/1)
1135 |> Enum.map(&build_emoji_tag/1)
1138 # TODO: we should probably send mtime instead of unix epoch time for updated
1139 def add_emoji_tags(%{"emoji" => emoji} = object) do
1140 tags = object["tag"] || []
1142 out = Enum.map(emoji, &build_emoji_tag/1)
1144 Map.put(object, "tag", tags ++ out)
1147 def add_emoji_tags(object), do: object
1149 defp build_emoji_tag({name, url}) do
1151 "icon" => %{"url" => url, "type" => "Image"},
1152 "name" => ":" <> name <> ":",
1154 "updated" => "1970-01-01T00:00:00Z",
1159 def set_conversation(object) do
1160 Map.put(object, "conversation", object["context"])
1163 def set_sensitive(object) do
1164 tags = object["tag"] || []
1165 Map.put(object, "sensitive", "nsfw" in tags)
1168 def set_type(%{"type" => "Answer"} = object) do
1169 Map.put(object, "type", "Note")
1172 def set_type(object), do: object
1174 def add_attributed_to(object) do
1175 attributed_to = object["attributedTo"] || object["actor"]
1176 Map.put(object, "attributedTo", attributed_to)
1179 def prepare_attachments(object) do
1181 (object["attachment"] || [])
1182 |> Enum.map(fn data ->
1183 [%{"mediaType" => media_type, "href" => href} | _] = data["url"]
1184 %{"url" => href, "mediaType" => media_type, "name" => data["name"], "type" => "Document"}
1187 Map.put(object, "attachment", attachments)
1190 def strip_internal_fields(object) do
1192 |> Map.drop(Pleroma.Constants.object_internal_fields())
1195 defp strip_internal_tags(%{"tag" => tags} = object) do
1196 tags = Enum.filter(tags, fn x -> is_map(x) end)
1198 Map.put(object, "tag", tags)
1201 defp strip_internal_tags(object), do: object
1203 def perform(:user_upgrade, user) do
1204 # we pass a fake user so that the followers collection is stripped away
1205 old_follower_address = User.ap_followers(%User{nickname: user.nickname})
1209 where: ^old_follower_address in a.recipients,
1214 "array_replace(?,?,?)",
1216 ^old_follower_address,
1217 ^user.follower_address
1222 |> Repo.update_all([])
1225 def upgrade_user_from_ap_id(ap_id) do
1226 with %User{local: false} = user <- User.get_cached_by_ap_id(ap_id),
1227 {:ok, data} <- ActivityPub.fetch_and_prepare_user_from_ap_id(ap_id),
1228 already_ap <- User.ap_enabled?(user),
1229 {:ok, user} <- upgrade_user(user, data) do
1230 if not already_ap do
1231 TransmogrifierWorker.enqueue("user_upgrade", %{"user_id" => user.id})
1236 %User{} = user -> {:ok, user}
1241 defp upgrade_user(user, data) do
1243 |> User.upgrade_changeset(data, true)
1244 |> User.update_and_set_cache()
1247 def maybe_fix_user_url(%{"url" => url} = data) when is_map(url) do
1248 Map.put(data, "url", url["href"])
1251 def maybe_fix_user_url(data), do: data
1253 def maybe_fix_user_object(data), do: maybe_fix_user_url(data)
1255 defp maybe_add_context_from_object(%{"context" => context} = data) when is_binary(context),
1258 defp maybe_add_context_from_object(%{"object" => object} = data) when is_binary(object) do
1259 if object = Object.normalize(object) do
1262 |> Map.put("context", object.data["context"])
1266 {:error, "No context on referenced object"}
1270 defp maybe_add_context_from_object(_) do
1271 {:error, "No referenced object"}
1274 defp maybe_add_recipients_from_object(%{"object" => object} = data) do
1275 to = data["to"] || []
1276 cc = data["cc"] || []
1278 if to == [] && cc == [] do
1279 if object = Object.normalize(object) do
1282 |> Map.put("to", [object.data["actor"]])
1283 |> Map.put("cc", cc)
1287 {:error, "No actor on referenced object"}
1294 defp maybe_add_recipients_from_object(_) do
1295 {:error, "No referenced object"}