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.FollowingRelationship
13 alias Pleroma.Object.Containment
16 alias Pleroma.Web.ActivityPub.ActivityPub
17 alias Pleroma.Web.ActivityPub.ObjectValidator
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)
49 def fix_summary(%{"summary" => nil} = object) do
50 Map.put(object, "summary", "")
53 def fix_summary(%{"summary" => _} = object) do
54 # summary is present, nothing to do
58 def fix_summary(object), do: Map.put(object, "summary", "")
60 def fix_addressing_list(map, field) do
62 is_binary(map[field]) ->
63 Map.put(map, field, [map[field]])
66 Map.put(map, field, [])
73 def fix_explicit_addressing(
74 %{"to" => to, "cc" => cc} = object,
78 explicit_to = Enum.filter(to, fn x -> x in explicit_mentions end)
80 explicit_cc = Enum.filter(to, fn x -> x not in explicit_mentions end)
84 |> Enum.reject(fn x -> String.ends_with?(x, "/followers") and x != follower_collection end)
88 |> Map.put("to", explicit_to)
89 |> Map.put("cc", final_cc)
92 def fix_explicit_addressing(object, _explicit_mentions, _followers_collection), do: object
94 # if directMessage flag is set to true, leave the addressing alone
95 def fix_explicit_addressing(%{"directMessage" => true} = object), do: object
97 def fix_explicit_addressing(object) do
98 explicit_mentions = Utils.determine_explicit_mentions(object)
100 %User{follower_address: follower_collection} =
102 |> Containment.get_actor()
103 |> User.get_cached_by_ap_id()
108 Pleroma.Constants.as_public(),
112 fix_explicit_addressing(object, explicit_mentions, follower_collection)
115 # if as:Public is addressed, then make sure the followers collection is also addressed
116 # so that the activities will be delivered to local users.
117 def fix_implicit_addressing(%{"to" => to, "cc" => cc} = object, followers_collection) do
118 recipients = to ++ cc
120 if followers_collection not in recipients do
122 Pleroma.Constants.as_public() in cc ->
123 to = to ++ [followers_collection]
124 Map.put(object, "to", to)
126 Pleroma.Constants.as_public() in to ->
127 cc = cc ++ [followers_collection]
128 Map.put(object, "cc", cc)
138 def fix_implicit_addressing(object, _), do: object
140 def fix_addressing(object) do
141 {:ok, %User{} = user} = User.get_or_fetch_by_ap_id(object["actor"])
142 followers_collection = User.ap_followers(user)
145 |> fix_addressing_list("to")
146 |> fix_addressing_list("cc")
147 |> fix_addressing_list("bto")
148 |> fix_addressing_list("bcc")
149 |> fix_explicit_addressing()
150 |> fix_implicit_addressing(followers_collection)
153 def fix_actor(%{"attributedTo" => actor} = object) do
154 Map.put(object, "actor", Containment.get_actor(%{"actor" => actor}))
157 def fix_in_reply_to(object, options \\ [])
159 def fix_in_reply_to(%{"inReplyTo" => in_reply_to} = object, options)
160 when not is_nil(in_reply_to) do
161 in_reply_to_id = prepare_in_reply_to(in_reply_to)
162 object = Map.put(object, "inReplyToAtomUri", in_reply_to_id)
163 depth = (options[:depth] || 0) + 1
165 if Federator.allowed_thread_distance?(depth) do
166 with {:ok, replied_object} <- get_obj_helper(in_reply_to_id, options),
167 %Activity{} <- Activity.get_create_by_object_ap_id(replied_object.data["id"]) do
169 |> Map.put("inReplyTo", replied_object.data["id"])
170 |> Map.put("inReplyToAtomUri", object["inReplyToAtomUri"] || in_reply_to_id)
171 |> Map.put("conversation", replied_object.data["context"] || object["conversation"])
172 |> Map.put("context", replied_object.data["context"] || object["conversation"])
175 Logger.error("Couldn't fetch #{inspect(in_reply_to_id)}, error: #{inspect(e)}")
183 def fix_in_reply_to(object, _options), do: object
185 defp prepare_in_reply_to(in_reply_to) do
187 is_bitstring(in_reply_to) ->
190 is_map(in_reply_to) && is_bitstring(in_reply_to["id"]) ->
193 is_list(in_reply_to) && is_bitstring(Enum.at(in_reply_to, 0)) ->
194 Enum.at(in_reply_to, 0)
201 def fix_context(object) do
202 context = object["context"] || object["conversation"] || Utils.generate_context_id()
205 |> Map.put("context", context)
206 |> Map.put("conversation", context)
209 defp add_if_present(map, _key, nil), do: map
211 defp add_if_present(map, key, value) do
212 Map.put(map, key, value)
215 def fix_attachments(%{"attachment" => attachment} = object) when is_list(attachment) do
217 Enum.map(attachment, fn data ->
220 is_list(data["url"]) -> List.first(data["url"])
221 is_map(data["url"]) -> data["url"]
227 is_map(url) && is_binary(url["mediaType"]) -> url["mediaType"]
228 is_binary(data["mediaType"]) -> data["mediaType"]
229 is_binary(data["mimeType"]) -> data["mimeType"]
235 is_map(url) && is_binary(url["href"]) -> url["href"]
236 is_binary(data["url"]) -> data["url"]
237 is_binary(data["href"]) -> data["href"]
242 |> add_if_present("mediaType", media_type)
243 |> add_if_present("type", Map.get(url || %{}, "type"))
245 %{"url" => [attachment_url]}
246 |> add_if_present("mediaType", media_type)
247 |> add_if_present("type", data["type"])
248 |> add_if_present("name", data["name"])
251 Map.put(object, "attachment", attachments)
254 def fix_attachments(%{"attachment" => attachment} = object) when is_map(attachment) do
256 |> Map.put("attachment", [attachment])
260 def fix_attachments(object), do: object
262 def fix_url(%{"url" => url} = object) when is_map(url) do
263 Map.put(object, "url", url["href"])
266 def fix_url(%{"type" => object_type, "url" => url} = object)
267 when object_type in ["Video", "Audio"] and is_list(url) do
268 first_element = Enum.at(url, 0)
270 link_element = Enum.find(url, fn x -> is_map(x) and x["mimeType"] == "text/html" end)
273 |> Map.put("attachment", [first_element])
274 |> Map.put("url", link_element["href"])
277 def fix_url(%{"type" => object_type, "url" => url} = object)
278 when object_type != "Video" and is_list(url) do
279 first_element = Enum.at(url, 0)
283 is_bitstring(first_element) -> first_element
284 is_map(first_element) -> first_element["href"] || ""
288 Map.put(object, "url", url_string)
291 def fix_url(object), do: object
293 def fix_emoji(%{"tag" => tags} = object) when is_list(tags) do
296 |> Enum.filter(fn data -> data["type"] == "Emoji" and data["icon"] end)
297 |> Enum.reduce(%{}, fn data, mapping ->
298 name = String.trim(data["name"], ":")
300 Map.put(mapping, name, data["icon"]["url"])
303 # we merge mastodon and pleroma emoji into a single mapping, to allow for both wire formats
304 emoji = Map.merge(object["emoji"] || %{}, emoji)
306 Map.put(object, "emoji", emoji)
309 def fix_emoji(%{"tag" => %{"type" => "Emoji"} = tag} = object) do
310 name = String.trim(tag["name"], ":")
311 emoji = %{name => tag["icon"]["url"]}
313 Map.put(object, "emoji", emoji)
316 def fix_emoji(object), do: object
318 def fix_tag(%{"tag" => tag} = object) when is_list(tag) do
321 |> Enum.filter(fn data -> data["type"] == "Hashtag" and data["name"] end)
322 |> Enum.map(fn data -> String.slice(data["name"], 1..-1) end)
324 Map.put(object, "tag", tag ++ tags)
327 def fix_tag(%{"tag" => %{"type" => "Hashtag", "name" => hashtag} = tag} = object) do
328 combined = [tag, String.slice(hashtag, 1..-1)]
330 Map.put(object, "tag", combined)
333 def fix_tag(%{"tag" => %{} = tag} = object), do: Map.put(object, "tag", [tag])
335 def fix_tag(object), do: object
337 # content map usually only has one language so this will do for now.
338 def fix_content_map(%{"contentMap" => content_map} = object) do
339 content_groups = Map.to_list(content_map)
340 {_, content} = Enum.at(content_groups, 0)
342 Map.put(object, "content", content)
345 def fix_content_map(object), do: object
347 def fix_type(object, options \\ [])
349 def fix_type(%{"inReplyTo" => reply_id, "name" => _} = object, options)
350 when is_binary(reply_id) do
351 with true <- Federator.allowed_thread_distance?(options[:depth]),
352 {:ok, %{data: %{"type" => "Question"} = _} = _} <- get_obj_helper(reply_id, options) do
353 Map.put(object, "type", "Answer")
359 def fix_type(object, _), do: object
361 defp fix_content(%{"mediaType" => "text/markdown", "content" => content} = object)
362 when is_binary(content) do
365 |> Earmark.as_html!(%Earmark.Options{renderer: EarmarkRenderer})
366 |> Pleroma.HTML.filter_tags()
368 Map.merge(object, %{"content" => html_content, "mediaType" => "text/html"})
371 defp fix_content(object), do: object
373 defp mastodon_follow_hack(%{"id" => id, "actor" => follower_id}, followed) do
374 with true <- id =~ "follows",
375 %User{local: true} = follower <- User.get_cached_by_ap_id(follower_id),
376 %Activity{} = activity <- Utils.fetch_latest_follow(follower, followed) do
383 defp mastodon_follow_hack(_, _), do: {:error, nil}
385 defp get_follow_activity(follow_object, followed) do
386 with object_id when not is_nil(object_id) <- Utils.get_ap_id(follow_object),
387 {_, %Activity{} = activity} <- {:activity, Activity.get_by_ap_id(object_id)} do
390 # Can't find the activity. This might a Mastodon 2.3 "Accept"
392 mastodon_follow_hack(follow_object, followed)
399 # Reduce the object list to find the reported user.
400 defp get_reported(objects) do
401 Enum.reduce_while(objects, nil, fn ap_id, _ ->
402 with %User{} = user <- User.get_cached_by_ap_id(ap_id) do
410 def handle_incoming(data, options \\ [])
412 # Flag objects are placed ahead of the ID check because Mastodon 2.8 and earlier send them
414 def handle_incoming(%{"type" => "Flag", "object" => objects, "actor" => actor} = data, _options) do
415 with context <- data["context"] || Utils.generate_context_id(),
416 content <- data["content"] || "",
417 %User{} = actor <- User.get_cached_by_ap_id(actor),
418 # Reduce the object list to find the reported user.
419 %User{} = account <- get_reported(objects),
420 # Remove the reported user from the object list.
421 statuses <- Enum.filter(objects, fn ap_id -> ap_id != account.ap_id end) do
428 additional: %{"cc" => [account.ap_id]}
430 |> ActivityPub.flag()
434 # disallow objects with bogus IDs
435 def handle_incoming(%{"id" => nil}, _options), do: :error
436 def handle_incoming(%{"id" => ""}, _options), do: :error
437 # length of https:// = 8, should validate better, but good enough for now.
438 def handle_incoming(%{"id" => id}, _options) when is_binary(id) and byte_size(id) < 8,
441 # TODO: validate those with a Ecto scheme
445 %{"type" => "Create", "object" => %{"type" => objtype} = object} = data,
448 when objtype in ["Article", "Event", "Note", "Video", "Page", "Question", "Answer", "Audio"] do
449 actor = Containment.get_actor(data)
452 Map.put(data, "actor", actor)
455 with nil <- Activity.get_create_by_object_ap_id(object["id"]),
456 {:ok, %User{} = user} <- User.get_or_fetch_by_ap_id(data["actor"]) do
457 object = fix_object(object, options)
463 context: object["conversation"],
465 published: data["published"],
474 with {:ok, created_activity} <- ActivityPub.create(params) do
475 reply_depth = (options[:depth] || 0) + 1
477 if Federator.allowed_thread_distance?(reply_depth) do
478 for reply_id <- replies(object) do
479 Pleroma.Workers.RemoteFetcherWorker.enqueue("fetch_remote", %{
481 "depth" => reply_depth
486 {:ok, created_activity}
489 %Activity{} = activity -> {:ok, activity}
495 %{"type" => "Listen", "object" => %{"type" => "Audio"} = object} = data,
498 actor = Containment.get_actor(data)
501 Map.put(data, "actor", actor)
504 with {:ok, %User{} = user} <- User.get_or_fetch_by_ap_id(data["actor"]) do
505 reply_depth = (options[:depth] || 0) + 1
506 options = Keyword.put(options, :depth, reply_depth)
507 object = fix_object(object, options)
515 published: data["published"],
516 additional: Map.take(data, ["cc", "id"])
519 ActivityPub.listen(params)
526 %{"type" => "Follow", "object" => followed, "actor" => follower, "id" => id} = data,
529 with %User{local: true} = followed <-
530 User.get_cached_by_ap_id(Containment.get_actor(%{"actor" => followed})),
531 {:ok, %User{} = follower} <-
532 User.get_or_fetch_by_ap_id(Containment.get_actor(%{"actor" => follower})),
533 {:ok, activity} <- ActivityPub.follow(follower, followed, id, false) do
534 with deny_follow_blocked <- Pleroma.Config.get([:user, :deny_follow_blocked]),
535 {_, false} <- {:user_blocked, User.blocks?(followed, follower) && deny_follow_blocked},
536 {_, false} <- {:user_locked, User.locked?(followed)},
537 {_, {:ok, follower}} <- {:follow, User.follow(follower, followed)},
539 {:follow_state_update, Utils.update_follow_state_for_all(activity, "accept")},
540 {:ok, _relationship} <-
541 FollowingRelationship.update(follower, followed, :follow_accept) do
542 ActivityPub.accept(%{
543 to: [follower.ap_id],
549 {:user_blocked, true} ->
550 {:ok, _} = Utils.update_follow_state_for_all(activity, "reject")
551 {:ok, _relationship} = FollowingRelationship.update(follower, followed, :follow_reject)
553 ActivityPub.reject(%{
554 to: [follower.ap_id],
560 {:follow, {:error, _}} ->
561 {:ok, _} = Utils.update_follow_state_for_all(activity, "reject")
562 {:ok, _relationship} = FollowingRelationship.update(follower, followed, :follow_reject)
564 ActivityPub.reject(%{
565 to: [follower.ap_id],
571 {:user_locked, true} ->
572 {:ok, _relationship} = FollowingRelationship.update(follower, followed, :follow_pending)
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 ActivityPub.accept(%{
594 to: follow_activity.data["to"],
597 object: follow_activity.data["id"],
607 %{"type" => "Reject", "object" => follow_object, "actor" => _actor, "id" => id} = data,
610 with actor <- Containment.get_actor(data),
611 {:ok, %User{} = followed} <- User.get_or_fetch_by_ap_id(actor),
612 {:ok, follow_activity} <- get_follow_activity(follow_object, followed),
613 {:ok, follow_activity} <- Utils.update_follow_state_for_all(follow_activity, "reject"),
614 %User{local: true} = follower <- User.get_cached_by_ap_id(follow_activity.data["actor"]),
615 {:ok, _relationship} <- FollowingRelationship.update(follower, followed, :follow_reject),
617 ActivityPub.reject(%{
618 to: follow_activity.data["to"],
621 object: follow_activity.data["id"],
631 @misskey_reactions %{
645 @doc "Rewrite misskey likes into EmojiReacts"
649 "_misskey_reaction" => reaction
654 |> Map.put("type", "EmojiReact")
655 |> Map.put("content", @misskey_reactions[reaction] || reaction)
656 |> handle_incoming(options)
659 def handle_incoming(%{"type" => "Like"} = data, _options) do
660 with :ok <- ObjectValidator.fetch_actor_and_object(data),
661 {:ok, activity, _meta} <-
662 Pipeline.common_pipeline(data, local: false) do
671 "type" => "EmojiReact",
672 "object" => object_id,
679 with actor <- Containment.get_actor(data),
680 {:ok, %User{} = actor} <- User.get_or_fetch_by_ap_id(actor),
681 {:ok, object} <- get_obj_helper(object_id),
682 {:ok, activity, _object} <-
683 ActivityPub.react_with_emoji(actor, object, emoji, activity_id: id, local: false) do
691 %{"type" => "Announce", "object" => object_id, "actor" => _actor, "id" => id} = data,
694 with actor <- Containment.get_actor(data),
695 {:ok, %User{} = actor} <- User.get_or_fetch_by_ap_id(actor),
696 {:ok, object} <- get_embedded_obj_helper(object_id, actor),
697 public <- Visibility.is_public?(data),
698 {:ok, activity, _object} <- ActivityPub.announce(actor, object, id, false, public) do
706 %{"type" => "Update", "object" => %{"type" => object_type} = object, "actor" => actor_id} =
710 when object_type in [
716 with %User{ap_id: ^actor_id} = actor <- User.get_cached_by_ap_id(object["id"]) do
717 {:ok, new_user_data} = ActivityPub.user_data_from_user_object(object)
720 |> User.remote_user_changeset(new_user_data)
721 |> User.update_and_set_cache()
723 ActivityPub.update(%{
725 to: data["to"] || [],
726 cc: data["cc"] || [],
729 activity_id: data["id"]
739 %{"type" => "Delete"} = data,
742 with {:ok, activity, _} <- Pipeline.common_pipeline(data, local: false) do
750 "object" => %{"type" => "Follow", "object" => followed},
756 with %User{local: true} = followed <- User.get_cached_by_ap_id(followed),
757 {:ok, %User{} = follower} <- User.get_or_fetch_by_ap_id(follower),
758 {:ok, activity} <- ActivityPub.unfollow(follower, followed, id, false) do
759 User.unfollow(follower, followed)
769 "object" => %{"type" => type}
773 when type in ["Like", "EmojiReact", "Announce", "Block"] do
774 with {:ok, activity, _} <- Pipeline.common_pipeline(data, local: false) do
779 # For Undos that don't have the complete object attached, try to find it in our database.
787 when is_binary(object) do
788 with %Activity{data: data} <- Activity.get_by_ap_id(object) do
790 |> Map.put("object", data)
791 |> handle_incoming(options)
798 %{"type" => "Block", "object" => blocked, "actor" => blocker, "id" => id} = _data,
801 with %User{local: true} = blocked = User.get_cached_by_ap_id(blocked),
802 {:ok, %User{} = blocker} = User.get_or_fetch_by_ap_id(blocker),
803 {:ok, activity} <- ActivityPub.block(blocker, blocked, id, false) do
804 User.unfollow(blocker, blocked)
805 User.block(blocker, blocked)
815 "actor" => origin_actor,
816 "object" => origin_actor,
817 "target" => target_actor
821 with %User{} = origin_user <- User.get_cached_by_ap_id(origin_actor),
822 {:ok, %User{} = target_user} <- User.get_or_fetch_by_ap_id(target_actor),
823 true <- origin_actor in target_user.also_known_as do
824 ActivityPub.move(origin_user, target_user, false)
830 def handle_incoming(_, _), do: :error
832 @spec get_obj_helper(String.t(), Keyword.t()) :: {:ok, Object.t()} | nil
833 def get_obj_helper(id, options \\ []) do
834 case Object.normalize(id, true, options) do
835 %Object{} = object -> {:ok, object}
840 @spec get_embedded_obj_helper(String.t() | Object.t(), User.t()) :: {:ok, Object.t()} | nil
841 def get_embedded_obj_helper(%{"attributedTo" => attributed_to, "id" => object_id} = data, %User{
844 when attributed_to == ap_id do
845 with {:ok, activity} <-
850 "actor" => attributed_to,
853 {:ok, Object.normalize(activity)}
855 _ -> get_obj_helper(object_id)
859 def get_embedded_obj_helper(object_id, _) do
860 get_obj_helper(object_id)
863 def set_reply_to_uri(%{"inReplyTo" => in_reply_to} = object) when is_binary(in_reply_to) do
864 with false <- String.starts_with?(in_reply_to, "http"),
865 {:ok, %{data: replied_to_object}} <- get_obj_helper(in_reply_to) do
866 Map.put(object, "inReplyTo", replied_to_object["external_url"] || in_reply_to)
872 def set_reply_to_uri(obj), do: obj
875 Serialized Mastodon-compatible `replies` collection containing _self-replies_.
876 Based on Mastodon's ActivityPub::NoteSerializer#replies.
878 def set_replies(obj_data) do
880 with limit when limit > 0 <-
881 Pleroma.Config.get([:activitypub, :note_replies_output_limit], 0),
882 %Object{} = object <- Object.get_cached_by_ap_id(obj_data["id"]) do
884 |> Object.self_replies()
885 |> select([o], fragment("?->>'id'", o.data))
892 set_replies(obj_data, replies_uris)
895 defp set_replies(obj, []) do
899 defp set_replies(obj, replies_uris) do
900 replies_collection = %{
901 "type" => "Collection",
902 "items" => replies_uris
905 Map.merge(obj, %{"replies" => replies_collection})
908 def replies(%{"replies" => %{"first" => %{"items" => items}}}) when not is_nil(items) do
912 def replies(%{"replies" => %{"items" => items}}) when not is_nil(items) do
916 def replies(_), do: []
918 # Prepares the object of an outgoing create activity.
919 def prepare_object(object) do
926 |> prepare_attachments
930 |> strip_internal_fields
931 |> strip_internal_tags
937 # internal -> Mastodon
940 def prepare_outgoing(%{"type" => activity_type, "object" => object_id} = data)
941 when activity_type in ["Create", "Listen"] do
944 |> Object.normalize()
950 |> Map.put("object", object)
951 |> Map.merge(Utils.make_json_ld_header())
957 def prepare_outgoing(%{"type" => "Announce", "actor" => ap_id, "object" => object_id} = data) do
960 |> Object.normalize()
963 if Visibility.is_private?(object) && object.data["actor"] == ap_id do
964 data |> Map.put("object", object |> Map.get(:data) |> prepare_object)
966 data |> maybe_fix_object_url
971 |> strip_internal_fields
972 |> Map.merge(Utils.make_json_ld_header())
978 # Mastodon Accept/Reject requires a non-normalized object containing the actor URIs,
979 # because of course it does.
980 def prepare_outgoing(%{"type" => "Accept"} = data) do
981 with follow_activity <- Activity.normalize(data["object"]) do
983 "actor" => follow_activity.actor,
984 "object" => follow_activity.data["object"],
985 "id" => follow_activity.data["id"],
991 |> Map.put("object", object)
992 |> Map.merge(Utils.make_json_ld_header())
998 def prepare_outgoing(%{"type" => "Reject"} = data) do
999 with follow_activity <- Activity.normalize(data["object"]) do
1001 "actor" => follow_activity.actor,
1002 "object" => follow_activity.data["object"],
1003 "id" => follow_activity.data["id"],
1009 |> Map.put("object", object)
1010 |> Map.merge(Utils.make_json_ld_header())
1016 def prepare_outgoing(%{"type" => _type} = data) do
1019 |> strip_internal_fields
1020 |> maybe_fix_object_url
1021 |> Map.merge(Utils.make_json_ld_header())
1026 def maybe_fix_object_url(%{"object" => object} = data) when is_binary(object) do
1027 with false <- String.starts_with?(object, "http"),
1028 {:fetch, {:ok, relative_object}} <- {:fetch, get_obj_helper(object)},
1029 %{data: %{"external_url" => external_url}} when not is_nil(external_url) <-
1031 Map.put(data, "object", external_url)
1034 Logger.error("Couldn't fetch #{object} #{inspect(e)}")
1042 def maybe_fix_object_url(data), do: data
1044 def add_hashtags(object) do
1046 (object["tag"] || [])
1048 # Expand internal representation tags into AS2 tags.
1049 tag when is_binary(tag) ->
1051 "href" => Pleroma.Web.Endpoint.url() <> "/tags/#{tag}",
1052 "name" => "##{tag}",
1056 # Do not process tags which are already AS2 tag objects.
1057 tag when is_map(tag) ->
1061 Map.put(object, "tag", tags)
1064 def add_mention_tags(object) do
1065 {enabled_receivers, disabled_receivers} = Utils.get_notified_from_object(object)
1066 potential_receivers = enabled_receivers ++ disabled_receivers
1067 mentions = Enum.map(potential_receivers, &build_mention_tag/1)
1069 tags = object["tag"] || []
1070 Map.put(object, "tag", tags ++ mentions)
1073 defp build_mention_tag(%{ap_id: ap_id, nickname: nickname} = _) do
1074 %{"type" => "Mention", "href" => ap_id, "name" => "@#{nickname}"}
1077 def take_emoji_tags(%User{emoji: emoji}) do
1080 |> Enum.map(&build_emoji_tag/1)
1083 # TODO: we should probably send mtime instead of unix epoch time for updated
1084 def add_emoji_tags(%{"emoji" => emoji} = object) do
1085 tags = object["tag"] || []
1087 out = Enum.map(emoji, &build_emoji_tag/1)
1089 Map.put(object, "tag", tags ++ out)
1092 def add_emoji_tags(object), do: object
1094 defp build_emoji_tag({name, url}) do
1096 "icon" => %{"url" => url, "type" => "Image"},
1097 "name" => ":" <> name <> ":",
1099 "updated" => "1970-01-01T00:00:00Z",
1104 def set_conversation(object) do
1105 Map.put(object, "conversation", object["context"])
1108 def set_sensitive(%{"sensitive" => true} = object) do
1112 def set_sensitive(object) do
1113 tags = object["tag"] || []
1114 Map.put(object, "sensitive", "nsfw" in tags)
1117 def set_type(%{"type" => "Answer"} = object) do
1118 Map.put(object, "type", "Note")
1121 def set_type(object), do: object
1123 def add_attributed_to(object) do
1124 attributed_to = object["attributedTo"] || object["actor"]
1125 Map.put(object, "attributedTo", attributed_to)
1128 def prepare_attachments(object) do
1131 |> Map.get("attachment", [])
1132 |> Enum.map(fn data ->
1133 [%{"mediaType" => media_type, "href" => href} | _] = data["url"]
1137 "mediaType" => media_type,
1138 "name" => data["name"],
1139 "type" => "Document"
1143 Map.put(object, "attachment", attachments)
1146 def strip_internal_fields(object) do
1147 Map.drop(object, Pleroma.Constants.object_internal_fields())
1150 defp strip_internal_tags(%{"tag" => tags} = object) do
1151 tags = Enum.filter(tags, fn x -> is_map(x) end)
1153 Map.put(object, "tag", tags)
1156 defp strip_internal_tags(object), do: object
1158 def perform(:user_upgrade, user) do
1159 # we pass a fake user so that the followers collection is stripped away
1160 old_follower_address = User.ap_followers(%User{nickname: user.nickname})
1164 where: ^old_follower_address in a.recipients,
1169 "array_replace(?,?,?)",
1171 ^old_follower_address,
1172 ^user.follower_address
1177 |> Repo.update_all([])
1180 def upgrade_user_from_ap_id(ap_id) do
1181 with %User{local: false} = user <- User.get_cached_by_ap_id(ap_id),
1182 {:ok, data} <- ActivityPub.fetch_and_prepare_user_from_ap_id(ap_id),
1183 {:ok, user} <- update_user(user, data) do
1184 TransmogrifierWorker.enqueue("user_upgrade", %{"user_id" => user.id})
1187 %User{} = user -> {:ok, user}
1192 defp update_user(user, data) do
1194 |> User.remote_user_changeset(data)
1195 |> User.update_and_set_cache()
1198 def maybe_fix_user_url(%{"url" => url} = data) when is_map(url) do
1199 Map.put(data, "url", url["href"])
1202 def maybe_fix_user_url(data), do: data
1204 def maybe_fix_user_object(data), do: maybe_fix_user_url(data)