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 defp add_if_present(map, _key, nil), do: map
210 defp add_if_present(map, key, value) do
211 Map.put(map, key, value)
214 def fix_attachments(%{"attachment" => attachment} = object) when is_list(attachment) do
216 Enum.map(attachment, fn data ->
219 is_list(data["url"]) -> List.first(data["url"])
220 is_map(data["url"]) -> data["url"]
226 is_map(url) && is_binary(url["mediaType"]) -> url["mediaType"]
227 is_binary(data["mediaType"]) -> data["mediaType"]
228 is_binary(data["mimeType"]) -> data["mimeType"]
234 is_map(url) && is_binary(url["href"]) -> url["href"]
235 is_binary(data["url"]) -> data["url"]
236 is_binary(data["href"]) -> data["href"]
241 |> add_if_present("mediaType", media_type)
242 |> add_if_present("type", Map.get(url || %{}, "type"))
244 %{"url" => [attachment_url]}
245 |> add_if_present("mediaType", media_type)
246 |> add_if_present("type", data["type"])
247 |> add_if_present("name", data["name"])
250 Map.put(object, "attachment", attachments)
253 def fix_attachments(%{"attachment" => attachment} = object) when is_map(attachment) do
255 |> Map.put("attachment", [attachment])
259 def fix_attachments(object), do: object
261 def fix_url(%{"url" => url} = object) when is_map(url) do
262 Map.put(object, "url", url["href"])
265 def fix_url(%{"type" => object_type, "url" => url} = object)
266 when object_type in ["Video", "Audio"] and is_list(url) do
267 first_element = Enum.at(url, 0)
269 link_element = Enum.find(url, fn x -> is_map(x) and x["mimeType"] == "text/html" end)
272 |> Map.put("attachment", [first_element])
273 |> Map.put("url", link_element["href"])
276 def fix_url(%{"type" => object_type, "url" => url} = object)
277 when object_type != "Video" and is_list(url) do
278 first_element = Enum.at(url, 0)
282 is_bitstring(first_element) -> first_element
283 is_map(first_element) -> first_element["href"] || ""
287 Map.put(object, "url", url_string)
290 def fix_url(object), do: object
292 def fix_emoji(%{"tag" => tags} = object) when is_list(tags) do
295 |> Enum.filter(fn data -> data["type"] == "Emoji" and data["icon"] end)
296 |> Enum.reduce(%{}, fn data, mapping ->
297 name = String.trim(data["name"], ":")
299 Map.put(mapping, name, data["icon"]["url"])
302 # we merge mastodon and pleroma emoji into a single mapping, to allow for both wire formats
303 emoji = Map.merge(object["emoji"] || %{}, emoji)
305 Map.put(object, "emoji", emoji)
308 def fix_emoji(%{"tag" => %{"type" => "Emoji"} = tag} = object) do
309 name = String.trim(tag["name"], ":")
310 emoji = %{name => tag["icon"]["url"]}
312 Map.put(object, "emoji", emoji)
315 def fix_emoji(object), do: object
317 def fix_tag(%{"tag" => tag} = object) when is_list(tag) do
320 |> Enum.filter(fn data -> data["type"] == "Hashtag" and data["name"] end)
321 |> Enum.map(fn data -> String.slice(data["name"], 1..-1) end)
323 Map.put(object, "tag", tag ++ tags)
326 def fix_tag(%{"tag" => %{"type" => "Hashtag", "name" => hashtag} = tag} = object) do
327 combined = [tag, String.slice(hashtag, 1..-1)]
329 Map.put(object, "tag", combined)
332 def fix_tag(%{"tag" => %{} = tag} = object), do: Map.put(object, "tag", [tag])
334 def fix_tag(object), do: object
336 # content map usually only has one language so this will do for now.
337 def fix_content_map(%{"contentMap" => content_map} = object) do
338 content_groups = Map.to_list(content_map)
339 {_, content} = Enum.at(content_groups, 0)
341 Map.put(object, "content", content)
344 def fix_content_map(object), do: object
346 def fix_type(object, options \\ [])
348 def fix_type(%{"inReplyTo" => reply_id, "name" => _} = object, options)
349 when is_binary(reply_id) do
350 with true <- Federator.allowed_thread_distance?(options[:depth]),
351 {:ok, %{data: %{"type" => "Question"} = _} = _} <- get_obj_helper(reply_id, options) do
352 Map.put(object, "type", "Answer")
358 def fix_type(object, _), do: object
360 defp mastodon_follow_hack(%{"id" => id, "actor" => follower_id}, followed) do
361 with true <- id =~ "follows",
362 %User{local: true} = follower <- User.get_cached_by_ap_id(follower_id),
363 %Activity{} = activity <- Utils.fetch_latest_follow(follower, followed) do
370 defp mastodon_follow_hack(_, _), do: {:error, nil}
372 defp get_follow_activity(follow_object, followed) do
373 with object_id when not is_nil(object_id) <- Utils.get_ap_id(follow_object),
374 {_, %Activity{} = activity} <- {:activity, Activity.get_by_ap_id(object_id)} do
377 # Can't find the activity. This might a Mastodon 2.3 "Accept"
379 mastodon_follow_hack(follow_object, followed)
386 # Reduce the object list to find the reported user.
387 defp get_reported(objects) do
388 Enum.reduce_while(objects, nil, fn ap_id, _ ->
389 with %User{} = user <- User.get_cached_by_ap_id(ap_id) do
397 def handle_incoming(data, options \\ [])
399 # Flag objects are placed ahead of the ID check because Mastodon 2.8 and earlier send them
401 def handle_incoming(%{"type" => "Flag", "object" => objects, "actor" => actor} = data, _options) do
402 with context <- data["context"] || Utils.generate_context_id(),
403 content <- data["content"] || "",
404 %User{} = actor <- User.get_cached_by_ap_id(actor),
405 # Reduce the object list to find the reported user.
406 %User{} = account <- get_reported(objects),
407 # Remove the reported user from the object list.
408 statuses <- Enum.filter(objects, fn ap_id -> ap_id != account.ap_id end) do
415 additional: %{"cc" => [account.ap_id]}
417 |> ActivityPub.flag()
421 # disallow objects with bogus IDs
422 def handle_incoming(%{"id" => nil}, _options), do: :error
423 def handle_incoming(%{"id" => ""}, _options), do: :error
424 # length of https:// = 8, should validate better, but good enough for now.
425 def handle_incoming(%{"id" => id}, _options) when is_binary(id) and byte_size(id) < 8,
428 # TODO: validate those with a Ecto scheme
432 %{"type" => "Create", "object" => %{"type" => objtype} = object} = data,
435 when objtype in ["Article", "Event", "Note", "Video", "Page", "Question", "Answer", "Audio"] do
436 actor = Containment.get_actor(data)
439 Map.put(data, "actor", actor)
442 with nil <- Activity.get_create_by_object_ap_id(object["id"]),
443 {:ok, %User{} = user} <- User.get_or_fetch_by_ap_id(data["actor"]) do
444 object = fix_object(object, options)
450 context: object["conversation"],
452 published: data["published"],
461 with {:ok, created_activity} <- ActivityPub.create(params) do
462 reply_depth = (options[:depth] || 0) + 1
464 if Federator.allowed_thread_distance?(reply_depth) do
465 for reply_id <- replies(object) do
466 Pleroma.Workers.RemoteFetcherWorker.enqueue("fetch_remote", %{
468 "depth" => reply_depth
473 {:ok, created_activity}
476 %Activity{} = activity -> {:ok, activity}
482 %{"type" => "Listen", "object" => %{"type" => "Audio"} = object} = data,
485 actor = Containment.get_actor(data)
488 Map.put(data, "actor", actor)
491 with {:ok, %User{} = user} <- User.get_or_fetch_by_ap_id(data["actor"]) do
492 reply_depth = (options[:depth] || 0) + 1
493 options = Keyword.put(options, :depth, reply_depth)
494 object = fix_object(object, options)
502 published: data["published"],
503 additional: Map.take(data, ["cc", "id"])
506 ActivityPub.listen(params)
513 %{"type" => "Follow", "object" => followed, "actor" => follower, "id" => id} = data,
516 with %User{local: true} = followed <-
517 User.get_cached_by_ap_id(Containment.get_actor(%{"actor" => followed})),
518 {:ok, %User{} = follower} <-
519 User.get_or_fetch_by_ap_id(Containment.get_actor(%{"actor" => follower})),
520 {:ok, activity} <- ActivityPub.follow(follower, followed, id, false) do
521 with deny_follow_blocked <- Pleroma.Config.get([:user, :deny_follow_blocked]),
522 {_, false} <- {:user_blocked, User.blocks?(followed, follower) && deny_follow_blocked},
523 {_, false} <- {:user_locked, User.locked?(followed)},
524 {_, {:ok, follower}} <- {:follow, User.follow(follower, followed)},
526 {:follow_state_update, Utils.update_follow_state_for_all(activity, "accept")},
527 {:ok, _relationship} <-
528 FollowingRelationship.update(follower, followed, :follow_accept) do
529 ActivityPub.accept(%{
530 to: [follower.ap_id],
536 {:user_blocked, true} ->
537 {:ok, _} = Utils.update_follow_state_for_all(activity, "reject")
538 {:ok, _relationship} = FollowingRelationship.update(follower, followed, :follow_reject)
540 ActivityPub.reject(%{
541 to: [follower.ap_id],
547 {:follow, {:error, _}} ->
548 {:ok, _} = Utils.update_follow_state_for_all(activity, "reject")
549 {:ok, _relationship} = FollowingRelationship.update(follower, followed, :follow_reject)
551 ActivityPub.reject(%{
552 to: [follower.ap_id],
558 {:user_locked, true} ->
559 {:ok, _relationship} = FollowingRelationship.update(follower, followed, :follow_pending)
571 %{"type" => "Accept", "object" => follow_object, "actor" => _actor, "id" => id} = data,
574 with actor <- Containment.get_actor(data),
575 {:ok, %User{} = followed} <- User.get_or_fetch_by_ap_id(actor),
576 {:ok, follow_activity} <- get_follow_activity(follow_object, followed),
577 {:ok, follow_activity} <- Utils.update_follow_state_for_all(follow_activity, "accept"),
578 %User{local: true} = follower <- User.get_cached_by_ap_id(follow_activity.data["actor"]),
579 {:ok, _relationship} <- FollowingRelationship.update(follower, followed, :follow_accept) do
580 ActivityPub.accept(%{
581 to: follow_activity.data["to"],
584 object: follow_activity.data["id"],
594 %{"type" => "Reject", "object" => follow_object, "actor" => _actor, "id" => id} = data,
597 with actor <- Containment.get_actor(data),
598 {:ok, %User{} = followed} <- User.get_or_fetch_by_ap_id(actor),
599 {:ok, follow_activity} <- get_follow_activity(follow_object, followed),
600 {:ok, follow_activity} <- Utils.update_follow_state_for_all(follow_activity, "reject"),
601 %User{local: true} = follower <- User.get_cached_by_ap_id(follow_activity.data["actor"]),
602 {:ok, _relationship} <- FollowingRelationship.update(follower, followed, :follow_reject),
604 ActivityPub.reject(%{
605 to: follow_activity.data["to"],
608 object: follow_activity.data["id"],
618 @misskey_reactions %{
632 @doc "Rewrite misskey likes into EmojiReacts"
636 "_misskey_reaction" => reaction
641 |> Map.put("type", "EmojiReact")
642 |> Map.put("content", @misskey_reactions[reaction] || reaction)
643 |> handle_incoming(options)
646 def handle_incoming(%{"type" => "Like"} = data, _options) do
647 with {_, {:ok, cast_data_sym}} <-
649 data |> LikeValidator.cast_data() |> Ecto.Changeset.apply_action(:insert)},
650 cast_data = ObjectValidator.stringify_keys(Map.from_struct(cast_data_sym)),
651 :ok <- ObjectValidator.fetch_actor_and_object(cast_data),
652 {_, {:ok, cast_data}} <- {:ensure_context_presence, ensure_context_presence(cast_data)},
653 {_, {:ok, cast_data}} <-
654 {:ensure_recipients_presence, ensure_recipients_presence(cast_data)},
655 {_, {:ok, activity, _meta}} <-
656 {:common_pipeline, Pipeline.common_pipeline(cast_data, local: false)} do
665 "type" => "EmojiReact",
666 "object" => object_id,
673 with actor <- Containment.get_actor(data),
674 {:ok, %User{} = actor} <- User.get_or_fetch_by_ap_id(actor),
675 {:ok, object} <- get_obj_helper(object_id),
676 {:ok, activity, _object} <-
677 ActivityPub.react_with_emoji(actor, object, emoji, activity_id: id, local: false) do
685 %{"type" => "Announce", "object" => object_id, "actor" => _actor, "id" => id} = data,
688 with actor <- Containment.get_actor(data),
689 {:ok, %User{} = actor} <- User.get_or_fetch_by_ap_id(actor),
690 {:ok, object} <- get_embedded_obj_helper(object_id, actor),
691 public <- Visibility.is_public?(data),
692 {:ok, activity, _object} <- ActivityPub.announce(actor, object, id, false, public) do
700 %{"type" => "Update", "object" => %{"type" => object_type} = object, "actor" => actor_id} =
704 when object_type in [
710 with %User{ap_id: ^actor_id} = actor <- User.get_cached_by_ap_id(object["id"]) do
711 {:ok, new_user_data} = ActivityPub.user_data_from_user_object(object)
714 |> User.remote_user_changeset(new_user_data)
715 |> User.update_and_set_cache()
717 ActivityPub.update(%{
719 to: data["to"] || [],
720 cc: data["cc"] || [],
723 activity_id: data["id"]
733 %{"type" => "Delete"} = data,
736 with {:ok, activity, _} <- Pipeline.common_pipeline(data, local: false) do
744 "object" => %{"type" => "Announce", "object" => object_id},
750 with actor <- Containment.get_actor(data),
751 {:ok, %User{} = actor} <- User.get_or_fetch_by_ap_id(actor),
752 {:ok, object} <- get_obj_helper(object_id),
753 {:ok, activity, _} <- ActivityPub.unannounce(actor, object, id, false) do
763 "object" => %{"type" => "Follow", "object" => followed},
769 with %User{local: true} = followed <- User.get_cached_by_ap_id(followed),
770 {:ok, %User{} = follower} <- User.get_or_fetch_by_ap_id(follower),
771 {:ok, activity} <- ActivityPub.unfollow(follower, followed, id, false) do
772 User.unfollow(follower, followed)
782 "object" => %{"type" => "EmojiReact", "id" => reaction_activity_id},
788 with actor <- Containment.get_actor(data),
789 {:ok, %User{} = actor} <- User.get_or_fetch_by_ap_id(actor),
790 {:ok, activity, _} <-
791 ActivityPub.unreact_with_emoji(actor, reaction_activity_id,
804 "object" => %{"type" => "Block", "object" => blocked},
810 with %User{local: true} = blocked <- User.get_cached_by_ap_id(blocked),
811 {:ok, %User{} = blocker} <- User.get_or_fetch_by_ap_id(blocker),
812 {:ok, activity} <- ActivityPub.unblock(blocker, blocked, id, false) do
813 User.unblock(blocker, blocked)
821 %{"type" => "Block", "object" => blocked, "actor" => blocker, "id" => id} = _data,
824 with %User{local: true} = blocked = User.get_cached_by_ap_id(blocked),
825 {:ok, %User{} = blocker} = User.get_or_fetch_by_ap_id(blocker),
826 {:ok, activity} <- ActivityPub.block(blocker, blocked, id, false) do
827 User.unfollow(blocker, blocked)
828 User.block(blocker, blocked)
838 "object" => %{"type" => "Like", "object" => object_id},
844 with actor <- Containment.get_actor(data),
845 {:ok, %User{} = actor} <- User.get_or_fetch_by_ap_id(actor),
846 {:ok, object} <- get_obj_helper(object_id),
847 {:ok, activity, _, _} <- ActivityPub.unlike(actor, object, id, false) do
854 # For Undos that don't have the complete object attached, try to find it in our database.
862 when is_binary(object) do
863 with %Activity{data: data} <- Activity.get_by_ap_id(object) do
865 |> Map.put("object", data)
866 |> handle_incoming(options)
875 "actor" => origin_actor,
876 "object" => origin_actor,
877 "target" => target_actor
881 with %User{} = origin_user <- User.get_cached_by_ap_id(origin_actor),
882 {:ok, %User{} = target_user} <- User.get_or_fetch_by_ap_id(target_actor),
883 true <- origin_actor in target_user.also_known_as do
884 ActivityPub.move(origin_user, target_user, false)
890 def handle_incoming(_, _), do: :error
892 @spec get_obj_helper(String.t(), Keyword.t()) :: {:ok, Object.t()} | nil
893 def get_obj_helper(id, options \\ []) do
894 case Object.normalize(id, true, options) do
895 %Object{} = object -> {:ok, object}
900 @spec get_embedded_obj_helper(String.t() | Object.t(), User.t()) :: {:ok, Object.t()} | nil
901 def get_embedded_obj_helper(%{"attributedTo" => attributed_to, "id" => object_id} = data, %User{
904 when attributed_to == ap_id do
905 with {:ok, activity} <-
910 "actor" => attributed_to,
913 {:ok, Object.normalize(activity)}
915 _ -> get_obj_helper(object_id)
919 def get_embedded_obj_helper(object_id, _) do
920 get_obj_helper(object_id)
923 def set_reply_to_uri(%{"inReplyTo" => in_reply_to} = object) when is_binary(in_reply_to) do
924 with false <- String.starts_with?(in_reply_to, "http"),
925 {:ok, %{data: replied_to_object}} <- get_obj_helper(in_reply_to) do
926 Map.put(object, "inReplyTo", replied_to_object["external_url"] || in_reply_to)
932 def set_reply_to_uri(obj), do: obj
935 Serialized Mastodon-compatible `replies` collection containing _self-replies_.
936 Based on Mastodon's ActivityPub::NoteSerializer#replies.
938 def set_replies(obj_data) do
940 with limit when limit > 0 <-
941 Pleroma.Config.get([:activitypub, :note_replies_output_limit], 0),
942 %Object{} = object <- Object.get_cached_by_ap_id(obj_data["id"]) do
944 |> Object.self_replies()
945 |> select([o], fragment("?->>'id'", o.data))
952 set_replies(obj_data, replies_uris)
955 defp set_replies(obj, []) do
959 defp set_replies(obj, replies_uris) do
960 replies_collection = %{
961 "type" => "Collection",
962 "items" => replies_uris
965 Map.merge(obj, %{"replies" => replies_collection})
968 def replies(%{"replies" => %{"first" => %{"items" => items}}}) when not is_nil(items) do
972 def replies(%{"replies" => %{"items" => items}}) when not is_nil(items) do
976 def replies(_), do: []
978 # Prepares the object of an outgoing create activity.
979 def prepare_object(object) do
986 |> prepare_attachments
990 |> strip_internal_fields
991 |> strip_internal_tags
997 # internal -> Mastodon
1000 def prepare_outgoing(%{"type" => activity_type, "object" => object_id} = data)
1001 when activity_type in ["Create", "Listen"] do
1004 |> Object.normalize()
1010 |> Map.put("object", object)
1011 |> Map.merge(Utils.make_json_ld_header())
1012 |> Map.delete("bcc")
1017 def prepare_outgoing(%{"type" => "Announce", "actor" => ap_id, "object" => object_id} = data) do
1020 |> Object.normalize()
1023 if Visibility.is_private?(object) && object.data["actor"] == ap_id do
1024 data |> Map.put("object", object |> Map.get(:data) |> prepare_object)
1026 data |> maybe_fix_object_url
1031 |> strip_internal_fields
1032 |> Map.merge(Utils.make_json_ld_header())
1033 |> Map.delete("bcc")
1038 # Mastodon Accept/Reject requires a non-normalized object containing the actor URIs,
1039 # because of course it does.
1040 def prepare_outgoing(%{"type" => "Accept"} = data) do
1041 with follow_activity <- Activity.normalize(data["object"]) do
1043 "actor" => follow_activity.actor,
1044 "object" => follow_activity.data["object"],
1045 "id" => follow_activity.data["id"],
1051 |> Map.put("object", object)
1052 |> Map.merge(Utils.make_json_ld_header())
1058 def prepare_outgoing(%{"type" => "Reject"} = data) do
1059 with follow_activity <- Activity.normalize(data["object"]) do
1061 "actor" => follow_activity.actor,
1062 "object" => follow_activity.data["object"],
1063 "id" => follow_activity.data["id"],
1069 |> Map.put("object", object)
1070 |> Map.merge(Utils.make_json_ld_header())
1076 def prepare_outgoing(%{"type" => _type} = data) do
1079 |> strip_internal_fields
1080 |> maybe_fix_object_url
1081 |> Map.merge(Utils.make_json_ld_header())
1086 def maybe_fix_object_url(%{"object" => object} = data) when is_binary(object) do
1087 with false <- String.starts_with?(object, "http"),
1088 {:fetch, {:ok, relative_object}} <- {:fetch, get_obj_helper(object)},
1089 %{data: %{"external_url" => external_url}} when not is_nil(external_url) <-
1091 Map.put(data, "object", external_url)
1094 Logger.error("Couldn't fetch #{object} #{inspect(e)}")
1102 def maybe_fix_object_url(data), do: data
1104 def add_hashtags(object) do
1106 (object["tag"] || [])
1108 # Expand internal representation tags into AS2 tags.
1109 tag when is_binary(tag) ->
1111 "href" => Pleroma.Web.Endpoint.url() <> "/tags/#{tag}",
1112 "name" => "##{tag}",
1116 # Do not process tags which are already AS2 tag objects.
1117 tag when is_map(tag) ->
1121 Map.put(object, "tag", tags)
1124 def add_mention_tags(object) do
1125 {enabled_receivers, disabled_receivers} = Utils.get_notified_from_object(object)
1126 potential_receivers = enabled_receivers ++ disabled_receivers
1127 mentions = Enum.map(potential_receivers, &build_mention_tag/1)
1129 tags = object["tag"] || []
1130 Map.put(object, "tag", tags ++ mentions)
1133 defp build_mention_tag(%{ap_id: ap_id, nickname: nickname} = _) do
1134 %{"type" => "Mention", "href" => ap_id, "name" => "@#{nickname}"}
1137 def take_emoji_tags(%User{emoji: emoji}) do
1140 |> Enum.map(&build_emoji_tag/1)
1143 # TODO: we should probably send mtime instead of unix epoch time for updated
1144 def add_emoji_tags(%{"emoji" => emoji} = object) do
1145 tags = object["tag"] || []
1147 out = Enum.map(emoji, &build_emoji_tag/1)
1149 Map.put(object, "tag", tags ++ out)
1152 def add_emoji_tags(object), do: object
1154 defp build_emoji_tag({name, url}) do
1156 "icon" => %{"url" => url, "type" => "Image"},
1157 "name" => ":" <> name <> ":",
1159 "updated" => "1970-01-01T00:00:00Z",
1164 def set_conversation(object) do
1165 Map.put(object, "conversation", object["context"])
1168 def set_sensitive(object) do
1169 tags = object["tag"] || []
1170 Map.put(object, "sensitive", "nsfw" in tags)
1173 def set_type(%{"type" => "Answer"} = object) do
1174 Map.put(object, "type", "Note")
1177 def set_type(object), do: object
1179 def add_attributed_to(object) do
1180 attributed_to = object["attributedTo"] || object["actor"]
1181 Map.put(object, "attributedTo", attributed_to)
1184 def prepare_attachments(object) do
1186 (object["attachment"] || [])
1187 |> Enum.map(fn data ->
1188 [%{"mediaType" => media_type, "href" => href} | _] = data["url"]
1189 %{"url" => href, "mediaType" => media_type, "name" => data["name"], "type" => "Document"}
1192 Map.put(object, "attachment", attachments)
1195 def strip_internal_fields(object) do
1197 |> Map.drop(Pleroma.Constants.object_internal_fields())
1200 defp strip_internal_tags(%{"tag" => tags} = object) do
1201 tags = Enum.filter(tags, fn x -> is_map(x) end)
1203 Map.put(object, "tag", tags)
1206 defp strip_internal_tags(object), do: object
1208 def perform(:user_upgrade, user) do
1209 # we pass a fake user so that the followers collection is stripped away
1210 old_follower_address = User.ap_followers(%User{nickname: user.nickname})
1214 where: ^old_follower_address in a.recipients,
1219 "array_replace(?,?,?)",
1221 ^old_follower_address,
1222 ^user.follower_address
1227 |> Repo.update_all([])
1230 def upgrade_user_from_ap_id(ap_id) do
1231 with %User{local: false} = user <- User.get_cached_by_ap_id(ap_id),
1232 {:ok, data} <- ActivityPub.fetch_and_prepare_user_from_ap_id(ap_id),
1233 {:ok, user} <- update_user(user, data) do
1234 TransmogrifierWorker.enqueue("user_upgrade", %{"user_id" => user.id})
1237 %User{} = user -> {:ok, user}
1242 defp update_user(user, data) do
1244 |> User.remote_user_changeset(data)
1245 |> User.update_and_set_cache()
1248 def maybe_fix_user_url(%{"url" => url} = data) when is_map(url) do
1249 Map.put(data, "url", url["href"])
1252 def maybe_fix_user_url(data), do: data
1254 def maybe_fix_user_object(data), do: maybe_fix_user_url(data)
1256 defp ensure_context_presence(%{"context" => context} = data) when is_binary(context),
1259 defp ensure_context_presence(%{"object" => object} = data) when is_binary(object) do
1260 with %{data: %{"context" => context}} when is_binary(context) <- Object.normalize(object) do
1261 {:ok, Map.put(data, "context", context)}
1264 {:error, :no_context}
1268 defp ensure_context_presence(_) do
1269 {:error, :no_context}
1272 defp ensure_recipients_presence(%{"to" => [_ | _], "cc" => [_ | _]} = data),
1275 defp ensure_recipients_presence(%{"object" => object} = data) do
1276 case Object.normalize(object) do
1277 %{data: %{"actor" => actor}} ->
1280 |> Map.put("to", [actor])
1281 |> Map.put("cc", data["cc"] || [])
1286 {:error, :no_object}
1293 defp ensure_recipients_presence(_) do
1294 {:error, :no_object}