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.EarmarkRenderer
11 alias Pleroma.EctoType.ActivityPub.ObjectValidators
12 alias Pleroma.FollowingRelationship
14 alias Pleroma.Notification
16 alias Pleroma.Object.Containment
19 alias Pleroma.Web.ActivityPub.ActivityPub
20 alias Pleroma.Web.ActivityPub.Builder
21 alias Pleroma.Web.ActivityPub.ObjectValidator
22 alias Pleroma.Web.ActivityPub.Pipeline
23 alias Pleroma.Web.ActivityPub.Utils
24 alias Pleroma.Web.ActivityPub.Visibility
25 alias Pleroma.Web.Federator
26 alias Pleroma.Workers.TransmogrifierWorker
31 require Pleroma.Constants
34 Modifies an incoming AP object (mastodon format) to our internal format.
36 def fix_object(object, options \\ []) do
38 |> strip_internal_fields
43 |> fix_in_reply_to(options)
53 def fix_summary(%{"summary" => nil} = object) do
54 Map.put(object, "summary", "")
57 def fix_summary(%{"summary" => _} = object) do
58 # summary is present, nothing to do
62 def fix_summary(object), do: Map.put(object, "summary", "")
64 def fix_addressing_list(map, field) do
66 is_binary(map[field]) ->
67 Map.put(map, field, [map[field]])
70 Map.put(map, field, [])
77 def fix_explicit_addressing(
78 %{"to" => to, "cc" => cc} = object,
82 explicit_to = Enum.filter(to, fn x -> x in explicit_mentions end)
84 explicit_cc = Enum.filter(to, fn x -> x not in explicit_mentions end)
88 |> Enum.reject(fn x -> String.ends_with?(x, "/followers") and x != follower_collection end)
92 |> Map.put("to", explicit_to)
93 |> Map.put("cc", final_cc)
96 def fix_explicit_addressing(object, _explicit_mentions, _followers_collection), do: object
98 # if directMessage flag is set to true, leave the addressing alone
99 def fix_explicit_addressing(%{"directMessage" => true} = object), do: object
101 def fix_explicit_addressing(object) do
102 explicit_mentions = Utils.determine_explicit_mentions(object)
104 %User{follower_address: follower_collection} =
106 |> Containment.get_actor()
107 |> User.get_cached_by_ap_id()
112 Pleroma.Constants.as_public(),
116 fix_explicit_addressing(object, explicit_mentions, follower_collection)
119 # if as:Public is addressed, then make sure the followers collection is also addressed
120 # so that the activities will be delivered to local users.
121 def fix_implicit_addressing(%{"to" => to, "cc" => cc} = object, followers_collection) do
122 recipients = to ++ cc
124 if followers_collection not in recipients do
126 Pleroma.Constants.as_public() in cc ->
127 to = to ++ [followers_collection]
128 Map.put(object, "to", to)
130 Pleroma.Constants.as_public() in to ->
131 cc = cc ++ [followers_collection]
132 Map.put(object, "cc", cc)
142 def fix_implicit_addressing(object, _), do: object
144 def fix_addressing(object) do
145 {:ok, %User{} = user} = User.get_or_fetch_by_ap_id(object["actor"])
146 followers_collection = User.ap_followers(user)
149 |> fix_addressing_list("to")
150 |> fix_addressing_list("cc")
151 |> fix_addressing_list("bto")
152 |> fix_addressing_list("bcc")
153 |> fix_explicit_addressing()
154 |> fix_implicit_addressing(followers_collection)
157 def fix_actor(%{"attributedTo" => actor} = object) do
158 Map.put(object, "actor", Containment.get_actor(%{"actor" => actor}))
161 def fix_in_reply_to(object, options \\ [])
163 def fix_in_reply_to(%{"inReplyTo" => in_reply_to} = object, options)
164 when not is_nil(in_reply_to) do
165 in_reply_to_id = prepare_in_reply_to(in_reply_to)
166 object = Map.put(object, "inReplyToAtomUri", in_reply_to_id)
167 depth = (options[:depth] || 0) + 1
169 if Federator.allowed_thread_distance?(depth) do
170 with {:ok, replied_object} <- get_obj_helper(in_reply_to_id, options),
171 %Activity{} <- Activity.get_create_by_object_ap_id(replied_object.data["id"]) do
173 |> Map.put("inReplyTo", replied_object.data["id"])
174 |> Map.put("inReplyToAtomUri", object["inReplyToAtomUri"] || in_reply_to_id)
175 |> Map.put("context", replied_object.data["context"] || object["conversation"])
176 |> Map.drop(["conversation"])
179 Logger.error("Couldn't fetch #{inspect(in_reply_to_id)}, error: #{inspect(e)}")
187 def fix_in_reply_to(object, _options), do: object
189 defp prepare_in_reply_to(in_reply_to) do
191 is_bitstring(in_reply_to) ->
194 is_map(in_reply_to) && is_bitstring(in_reply_to["id"]) ->
197 is_list(in_reply_to) && is_bitstring(Enum.at(in_reply_to, 0)) ->
198 Enum.at(in_reply_to, 0)
205 def fix_context(object) do
206 context = object["context"] || object["conversation"] || Utils.generate_context_id()
209 |> Map.put("context", context)
210 |> Map.drop(["conversation"])
213 def fix_attachments(%{"attachment" => attachment} = object) when is_list(attachment) do
215 Enum.map(attachment, fn data ->
218 is_list(data["url"]) -> List.first(data["url"])
219 is_map(data["url"]) -> data["url"]
225 is_map(url) && MIME.valid?(url["mediaType"]) -> url["mediaType"]
226 MIME.valid?(data["mediaType"]) -> data["mediaType"]
227 MIME.valid?(data["mimeType"]) -> data["mimeType"]
233 is_map(url) && is_binary(url["href"]) -> url["href"]
234 is_binary(data["url"]) -> data["url"]
235 is_binary(data["href"]) -> data["href"]
240 |> Maps.put_if_present("mediaType", media_type)
241 |> Maps.put_if_present("type", Map.get(url || %{}, "type"))
243 %{"url" => [attachment_url]}
244 |> Maps.put_if_present("mediaType", media_type)
245 |> Maps.put_if_present("type", data["type"])
246 |> Maps.put_if_present("name", data["name"])
249 Map.put(object, "attachment", attachments)
252 def fix_attachments(%{"attachment" => attachment} = object) when is_map(attachment) do
254 |> Map.put("attachment", [attachment])
258 def fix_attachments(object), do: object
260 def fix_url(%{"url" => url} = object) when is_map(url) do
261 Map.put(object, "url", url["href"])
264 def fix_url(%{"type" => object_type, "url" => url} = object)
265 when object_type in ["Video", "Audio"] and is_list(url) do
266 first_element = Enum.at(url, 0)
268 link_element = Enum.find(url, fn x -> is_map(x) and x["mimeType"] == "text/html" end)
271 |> Map.put("attachment", [first_element])
272 |> Map.put("url", link_element["href"])
275 def fix_url(%{"type" => object_type, "url" => url} = object)
276 when object_type != "Video" and is_list(url) do
277 first_element = Enum.at(url, 0)
281 is_bitstring(first_element) -> first_element
282 is_map(first_element) -> first_element["href"] || ""
286 Map.put(object, "url", url_string)
289 def fix_url(object), do: object
291 def fix_emoji(%{"tag" => tags} = object) when is_list(tags) do
294 |> Enum.filter(fn data -> data["type"] == "Emoji" and data["icon"] end)
295 |> Enum.reduce(%{}, fn data, mapping ->
296 name = String.trim(data["name"], ":")
298 Map.put(mapping, name, data["icon"]["url"])
301 # we merge mastodon and pleroma emoji into a single mapping, to allow for both wire formats
302 emoji = Map.merge(object["emoji"] || %{}, emoji)
304 Map.put(object, "emoji", emoji)
307 def fix_emoji(%{"tag" => %{"type" => "Emoji"} = tag} = object) do
308 name = String.trim(tag["name"], ":")
309 emoji = %{name => tag["icon"]["url"]}
311 Map.put(object, "emoji", emoji)
314 def fix_emoji(object), do: object
316 def fix_tag(%{"tag" => tag} = object) when is_list(tag) do
319 |> Enum.filter(fn data -> data["type"] == "Hashtag" and data["name"] end)
320 |> Enum.map(fn data -> String.slice(data["name"], 1..-1) end)
322 Map.put(object, "tag", tag ++ tags)
325 def fix_tag(%{"tag" => %{"type" => "Hashtag", "name" => hashtag} = tag} = object) do
326 combined = [tag, String.slice(hashtag, 1..-1)]
328 Map.put(object, "tag", combined)
331 def fix_tag(%{"tag" => %{} = tag} = object), do: Map.put(object, "tag", [tag])
333 def fix_tag(object), do: object
335 # content map usually only has one language so this will do for now.
336 def fix_content_map(%{"contentMap" => content_map} = object) do
337 content_groups = Map.to_list(content_map)
338 {_, content} = Enum.at(content_groups, 0)
340 Map.put(object, "content", content)
343 def fix_content_map(object), do: object
345 def fix_type(object, options \\ [])
347 def fix_type(%{"inReplyTo" => reply_id, "name" => _} = object, options)
348 when is_binary(reply_id) do
349 with true <- Federator.allowed_thread_distance?(options[:depth]),
350 {:ok, %{data: %{"type" => "Question"} = _} = _} <- get_obj_helper(reply_id, options) do
351 Map.put(object, "type", "Answer")
357 def fix_type(object, _), do: object
359 defp fix_content(%{"mediaType" => "text/markdown", "content" => content} = object)
360 when is_binary(content) do
363 |> Earmark.as_html!(%Earmark.Options{renderer: EarmarkRenderer})
364 |> Pleroma.HTML.filter_tags()
366 Map.merge(object, %{"content" => html_content, "mediaType" => "text/html"})
369 defp fix_content(object), do: object
371 defp mastodon_follow_hack(%{"id" => id, "actor" => follower_id}, followed) do
372 with true <- id =~ "follows",
373 %User{local: true} = follower <- User.get_cached_by_ap_id(follower_id),
374 %Activity{} = activity <- Utils.fetch_latest_follow(follower, followed) do
381 defp mastodon_follow_hack(_, _), do: {:error, nil}
383 defp get_follow_activity(follow_object, followed) do
384 with object_id when not is_nil(object_id) <- Utils.get_ap_id(follow_object),
385 {_, %Activity{} = activity} <- {:activity, Activity.get_by_ap_id(object_id)} do
388 # Can't find the activity. This might a Mastodon 2.3 "Accept"
390 mastodon_follow_hack(follow_object, followed)
397 # Reduce the object list to find the reported user.
398 defp get_reported(objects) do
399 Enum.reduce_while(objects, nil, fn ap_id, _ ->
400 with %User{} = user <- User.get_cached_by_ap_id(ap_id) do
408 def handle_incoming(data, options \\ [])
410 # Flag objects are placed ahead of the ID check because Mastodon 2.8 and earlier send them
412 def handle_incoming(%{"type" => "Flag", "object" => objects, "actor" => actor} = data, _options) do
413 with context <- data["context"] || Utils.generate_context_id(),
414 content <- data["content"] || "",
415 %User{} = actor <- User.get_cached_by_ap_id(actor),
416 # Reduce the object list to find the reported user.
417 %User{} = account <- get_reported(objects),
418 # Remove the reported user from the object list.
419 statuses <- Enum.filter(objects, fn ap_id -> ap_id != account.ap_id end) do
426 additional: %{"cc" => [account.ap_id]}
428 |> ActivityPub.flag()
432 # disallow objects with bogus IDs
433 def handle_incoming(%{"id" => nil}, _options), do: :error
434 def handle_incoming(%{"id" => ""}, _options), do: :error
435 # length of https:// = 8, should validate better, but good enough for now.
436 def handle_incoming(%{"id" => id}, _options) when is_binary(id) and byte_size(id) < 8,
439 # TODO: validate those with a Ecto scheme
443 %{"type" => "Create", "object" => %{"type" => objtype} = object} = data,
446 when objtype in ["Article", "Event", "Note", "Video", "Page", "Question", "Answer", "Audio"] do
447 actor = Containment.get_actor(data)
450 Map.put(data, "actor", actor)
453 with nil <- Activity.get_create_by_object_ap_id(object["id"]),
454 {:ok, %User{} = user} <- User.get_or_fetch_by_ap_id(data["actor"]) do
455 object = fix_object(object, options)
461 context: object["context"],
463 published: data["published"],
472 with {:ok, created_activity} <- ActivityPub.create(params) do
473 reply_depth = (options[:depth] || 0) + 1
475 if Federator.allowed_thread_distance?(reply_depth) do
476 for reply_id <- replies(object) do
477 Pleroma.Workers.RemoteFetcherWorker.enqueue("fetch_remote", %{
479 "depth" => reply_depth
484 {:ok, created_activity}
487 %Activity{} = activity -> {:ok, activity}
493 %{"type" => "Listen", "object" => %{"type" => "Audio"} = object} = data,
496 actor = Containment.get_actor(data)
499 Map.put(data, "actor", actor)
502 with {:ok, %User{} = user} <- User.get_or_fetch_by_ap_id(data["actor"]) do
503 reply_depth = (options[:depth] || 0) + 1
504 options = Keyword.put(options, :depth, reply_depth)
505 object = fix_object(object, options)
513 published: data["published"],
514 additional: Map.take(data, ["cc", "id"])
517 ActivityPub.listen(params)
524 %{"type" => "Follow", "object" => followed, "actor" => follower, "id" => id} = data,
527 with %User{local: true} = followed <-
528 User.get_cached_by_ap_id(Containment.get_actor(%{"actor" => followed})),
529 {:ok, %User{} = follower} <-
530 User.get_or_fetch_by_ap_id(Containment.get_actor(%{"actor" => follower})),
532 ActivityPub.follow(follower, followed, id, false, skip_notify_and_stream: true) do
533 with deny_follow_blocked <- Pleroma.Config.get([:user, :deny_follow_blocked]),
534 {_, false} <- {:user_blocked, User.blocks?(followed, follower) && deny_follow_blocked},
535 {_, false} <- {:user_locked, User.locked?(followed)},
536 {_, {:ok, follower}} <- {:follow, User.follow(follower, followed)},
538 {:follow_state_update, Utils.update_follow_state_for_all(activity, "accept")},
539 {:ok, _relationship} <-
540 FollowingRelationship.update(follower, followed, :follow_accept) do
541 ActivityPub.accept(%{
542 to: [follower.ap_id],
548 {:user_blocked, true} ->
549 {:ok, _} = Utils.update_follow_state_for_all(activity, "reject")
550 {:ok, _relationship} = FollowingRelationship.update(follower, followed, :follow_reject)
552 ActivityPub.reject(%{
553 to: [follower.ap_id],
559 {:follow, {:error, _}} ->
560 {:ok, _} = Utils.update_follow_state_for_all(activity, "reject")
561 {:ok, _relationship} = FollowingRelationship.update(follower, followed, :follow_reject)
563 ActivityPub.reject(%{
564 to: [follower.ap_id],
570 {:user_locked, true} ->
571 {:ok, _relationship} = FollowingRelationship.update(follower, followed, :follow_pending)
575 ActivityPub.notify_and_stream(activity)
584 %{"type" => "Accept", "object" => follow_object, "actor" => _actor, "id" => id} = data,
587 with actor <- Containment.get_actor(data),
588 {:ok, %User{} = followed} <- User.get_or_fetch_by_ap_id(actor),
589 {:ok, follow_activity} <- get_follow_activity(follow_object, followed),
590 {:ok, follow_activity} <- Utils.update_follow_state_for_all(follow_activity, "accept"),
591 %User{local: true} = follower <- User.get_cached_by_ap_id(follow_activity.data["actor"]),
592 {:ok, _relationship} <- FollowingRelationship.update(follower, followed, :follow_accept) do
593 User.update_follower_count(followed)
594 User.update_following_count(follower)
596 Notification.update_notification_type(followed, follow_activity)
598 ActivityPub.accept(%{
599 to: follow_activity.data["to"],
602 object: follow_activity.data["id"],
613 %{"type" => "Reject", "object" => follow_object, "actor" => _actor, "id" => id} = data,
616 with actor <- Containment.get_actor(data),
617 {:ok, %User{} = followed} <- User.get_or_fetch_by_ap_id(actor),
618 {:ok, follow_activity} <- get_follow_activity(follow_object, followed),
619 {:ok, follow_activity} <- Utils.update_follow_state_for_all(follow_activity, "reject"),
620 %User{local: true} = follower <- User.get_cached_by_ap_id(follow_activity.data["actor"]),
621 {:ok, _relationship} <- FollowingRelationship.update(follower, followed, :follow_reject),
623 ActivityPub.reject(%{
624 to: follow_activity.data["to"],
627 object: follow_activity.data["id"],
637 @misskey_reactions %{
651 @doc "Rewrite misskey likes into EmojiReacts"
655 "_misskey_reaction" => reaction
660 |> Map.put("type", "EmojiReact")
661 |> Map.put("content", @misskey_reactions[reaction] || reaction)
662 |> handle_incoming(options)
666 %{"type" => "Create", "object" => %{"type" => "ChatMessage"}} = data,
669 with {:ok, %User{}} <- ObjectValidator.fetch_actor(data),
670 {:ok, activity, _} <- Pipeline.common_pipeline(data, local: false) do
675 def handle_incoming(%{"type" => type} = data, _options)
676 when type in ~w{Like EmojiReact Announce} do
677 with :ok <- ObjectValidator.fetch_actor_and_object(data),
678 {:ok, activity, _meta} <-
679 Pipeline.common_pipeline(data, local: false) do
687 %{"type" => type} = data,
690 when type in ~w{Update Block} do
691 with {:ok, %User{}} <- ObjectValidator.fetch_actor(data),
692 {:ok, activity, _} <- Pipeline.common_pipeline(data, local: false) do
698 %{"type" => "Delete"} = data,
701 with {:ok, activity, _} <- Pipeline.common_pipeline(data, local: false) do
704 {:error, {:validate_object, _}} = e ->
705 # Check if we have a create activity for this
706 with {:ok, object_id} <- ObjectValidators.ObjectID.cast(data["object"]),
707 %Activity{data: %{"actor" => actor}} <-
708 Activity.create_by_object_ap_id(object_id) |> Repo.one(),
709 # We have one, insert a tombstone and retry
710 {:ok, tombstone_data, _} <- Builder.tombstone(actor, object_id),
711 {:ok, _tombstone} <- Object.create(tombstone_data) do
712 handle_incoming(data)
722 "object" => %{"type" => "Follow", "object" => followed},
728 with %User{local: true} = followed <- User.get_cached_by_ap_id(followed),
729 {:ok, %User{} = follower} <- User.get_or_fetch_by_ap_id(follower),
730 {:ok, activity} <- ActivityPub.unfollow(follower, followed, id, false) do
731 User.unfollow(follower, followed)
741 "object" => %{"type" => type}
745 when type in ["Like", "EmojiReact", "Announce", "Block"] do
746 with {:ok, activity, _} <- Pipeline.common_pipeline(data, local: false) do
751 # For Undos that don't have the complete object attached, try to find it in our database.
759 when is_binary(object) do
760 with %Activity{data: data} <- Activity.get_by_ap_id(object) do
762 |> Map.put("object", data)
763 |> handle_incoming(options)
772 "actor" => origin_actor,
773 "object" => origin_actor,
774 "target" => target_actor
778 with %User{} = origin_user <- User.get_cached_by_ap_id(origin_actor),
779 {:ok, %User{} = target_user} <- User.get_or_fetch_by_ap_id(target_actor),
780 true <- origin_actor in target_user.also_known_as do
781 ActivityPub.move(origin_user, target_user, false)
787 def handle_incoming(_, _), do: :error
789 @spec get_obj_helper(String.t(), Keyword.t()) :: {:ok, Object.t()} | nil
790 def get_obj_helper(id, options \\ []) do
791 case Object.normalize(id, true, options) do
792 %Object{} = object -> {:ok, object}
797 @spec get_embedded_obj_helper(String.t() | Object.t(), User.t()) :: {:ok, Object.t()} | nil
798 def get_embedded_obj_helper(%{"attributedTo" => attributed_to, "id" => object_id} = data, %User{
801 when attributed_to == ap_id do
802 with {:ok, activity} <-
807 "actor" => attributed_to,
810 {:ok, Object.normalize(activity)}
812 _ -> get_obj_helper(object_id)
816 def get_embedded_obj_helper(object_id, _) do
817 get_obj_helper(object_id)
820 def set_reply_to_uri(%{"inReplyTo" => in_reply_to} = object) when is_binary(in_reply_to) do
821 with false <- String.starts_with?(in_reply_to, "http"),
822 {:ok, %{data: replied_to_object}} <- get_obj_helper(in_reply_to) do
823 Map.put(object, "inReplyTo", replied_to_object["external_url"] || in_reply_to)
829 def set_reply_to_uri(obj), do: obj
832 Serialized Mastodon-compatible `replies` collection containing _self-replies_.
833 Based on Mastodon's ActivityPub::NoteSerializer#replies.
835 def set_replies(obj_data) do
837 with limit when limit > 0 <-
838 Pleroma.Config.get([:activitypub, :note_replies_output_limit], 0),
839 %Object{} = object <- Object.get_cached_by_ap_id(obj_data["id"]) do
841 |> Object.self_replies()
842 |> select([o], fragment("?->>'id'", o.data))
849 set_replies(obj_data, replies_uris)
852 defp set_replies(obj, []) do
856 defp set_replies(obj, replies_uris) do
857 replies_collection = %{
858 "type" => "Collection",
859 "items" => replies_uris
862 Map.merge(obj, %{"replies" => replies_collection})
865 def replies(%{"replies" => %{"first" => %{"items" => items}}}) when not is_nil(items) do
869 def replies(%{"replies" => %{"items" => items}}) when not is_nil(items) do
873 def replies(_), do: []
875 # Prepares the object of an outgoing create activity.
876 def prepare_object(object) do
883 |> prepare_attachments
887 |> strip_internal_fields
888 |> strip_internal_tags
894 # internal -> Mastodon
897 def prepare_outgoing(%{"type" => activity_type, "object" => object_id} = data)
898 when activity_type in ["Create", "Listen"] do
901 |> Object.normalize()
907 |> Map.put("object", object)
908 |> Map.merge(Utils.make_json_ld_header())
914 def prepare_outgoing(%{"type" => "Announce", "actor" => ap_id, "object" => object_id} = data) do
917 |> Object.normalize()
920 if Visibility.is_private?(object) && object.data["actor"] == ap_id do
921 data |> Map.put("object", object |> Map.get(:data) |> prepare_object)
923 data |> maybe_fix_object_url
928 |> strip_internal_fields
929 |> Map.merge(Utils.make_json_ld_header())
935 # Mastodon Accept/Reject requires a non-normalized object containing the actor URIs,
936 # because of course it does.
937 def prepare_outgoing(%{"type" => "Accept"} = data) do
938 with follow_activity <- Activity.normalize(data["object"]) do
940 "actor" => follow_activity.actor,
941 "object" => follow_activity.data["object"],
942 "id" => follow_activity.data["id"],
948 |> Map.put("object", object)
949 |> Map.merge(Utils.make_json_ld_header())
955 def prepare_outgoing(%{"type" => "Reject"} = data) do
956 with follow_activity <- Activity.normalize(data["object"]) do
958 "actor" => follow_activity.actor,
959 "object" => follow_activity.data["object"],
960 "id" => follow_activity.data["id"],
966 |> Map.put("object", object)
967 |> Map.merge(Utils.make_json_ld_header())
973 def prepare_outgoing(%{"type" => _type} = data) do
976 |> strip_internal_fields
977 |> maybe_fix_object_url
978 |> Map.merge(Utils.make_json_ld_header())
983 def maybe_fix_object_url(%{"object" => object} = data) when is_binary(object) do
984 with false <- String.starts_with?(object, "http"),
985 {:fetch, {:ok, relative_object}} <- {:fetch, get_obj_helper(object)},
986 %{data: %{"external_url" => external_url}} when not is_nil(external_url) <-
988 Map.put(data, "object", external_url)
991 Logger.error("Couldn't fetch #{object} #{inspect(e)}")
999 def maybe_fix_object_url(data), do: data
1001 def add_hashtags(object) do
1003 (object["tag"] || [])
1005 # Expand internal representation tags into AS2 tags.
1006 tag when is_binary(tag) ->
1008 "href" => Pleroma.Web.Endpoint.url() <> "/tags/#{tag}",
1009 "name" => "##{tag}",
1013 # Do not process tags which are already AS2 tag objects.
1014 tag when is_map(tag) ->
1018 Map.put(object, "tag", tags)
1021 # TODO These should be added on our side on insertion, it doesn't make much
1022 # sense to regenerate these all the time
1023 def add_mention_tags(object) do
1024 to = object["to"] || []
1025 cc = object["cc"] || []
1026 mentioned = User.get_users_from_set(to ++ cc, local_only: false)
1028 mentions = Enum.map(mentioned, &build_mention_tag/1)
1030 tags = object["tag"] || []
1031 Map.put(object, "tag", tags ++ mentions)
1034 defp build_mention_tag(%{ap_id: ap_id, nickname: nickname} = _) do
1035 %{"type" => "Mention", "href" => ap_id, "name" => "@#{nickname}"}
1038 def take_emoji_tags(%User{emoji: emoji}) do
1041 |> Enum.map(&build_emoji_tag/1)
1044 # TODO: we should probably send mtime instead of unix epoch time for updated
1045 def add_emoji_tags(%{"emoji" => emoji} = object) do
1046 tags = object["tag"] || []
1048 out = Enum.map(emoji, &build_emoji_tag/1)
1050 Map.put(object, "tag", tags ++ out)
1053 def add_emoji_tags(object), do: object
1055 defp build_emoji_tag({name, url}) do
1057 "icon" => %{"url" => url, "type" => "Image"},
1058 "name" => ":" <> name <> ":",
1060 "updated" => "1970-01-01T00:00:00Z",
1065 def set_conversation(object) do
1066 Map.put(object, "conversation", object["context"])
1069 def set_sensitive(%{"sensitive" => true} = object) do
1073 def set_sensitive(object) do
1074 tags = object["tag"] || []
1075 Map.put(object, "sensitive", "nsfw" in tags)
1078 def set_type(%{"type" => "Answer"} = object) do
1079 Map.put(object, "type", "Note")
1082 def set_type(object), do: object
1084 def add_attributed_to(object) do
1085 attributed_to = object["attributedTo"] || object["actor"]
1086 Map.put(object, "attributedTo", attributed_to)
1089 # TODO: Revisit this
1090 def prepare_attachments(%{"type" => "ChatMessage"} = object), do: object
1092 def prepare_attachments(object) do
1095 |> Map.get("attachment", [])
1096 |> Enum.map(fn data ->
1097 [%{"mediaType" => media_type, "href" => href} | _] = data["url"]
1101 "mediaType" => media_type,
1102 "name" => data["name"],
1103 "type" => "Document"
1107 Map.put(object, "attachment", attachments)
1110 def strip_internal_fields(object) do
1111 Map.drop(object, Pleroma.Constants.object_internal_fields())
1114 defp strip_internal_tags(%{"tag" => tags} = object) do
1115 tags = Enum.filter(tags, fn x -> is_map(x) end)
1117 Map.put(object, "tag", tags)
1120 defp strip_internal_tags(object), do: object
1122 def perform(:user_upgrade, user) do
1123 # we pass a fake user so that the followers collection is stripped away
1124 old_follower_address = User.ap_followers(%User{nickname: user.nickname})
1128 where: ^old_follower_address in a.recipients,
1133 "array_replace(?,?,?)",
1135 ^old_follower_address,
1136 ^user.follower_address
1141 |> Repo.update_all([])
1144 def upgrade_user_from_ap_id(ap_id) do
1145 with %User{local: false} = user <- User.get_cached_by_ap_id(ap_id),
1146 {:ok, data} <- ActivityPub.fetch_and_prepare_user_from_ap_id(ap_id),
1147 {:ok, user} <- update_user(user, data) do
1148 TransmogrifierWorker.enqueue("user_upgrade", %{"user_id" => user.id})
1151 %User{} = user -> {:ok, user}
1156 defp update_user(user, data) do
1158 |> User.remote_user_changeset(data)
1159 |> User.update_and_set_cache()
1162 def maybe_fix_user_url(%{"url" => url} = data) when is_map(url) do
1163 Map.put(data, "url", url["href"])
1166 def maybe_fix_user_url(data), do: data
1168 def maybe_fix_user_object(data), do: maybe_fix_user_url(data)