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	diff --git a/lib/pleroma/web/activity_pub/transmogrifier.ex b/lib/pleroma/web/activity_pub/transmogrifier.ex
	index 543d4bb7d..99b31de8d 100644
	--- a/lib/pleroma/web/activity_pub/transmogrifier.ex
	+++ b/lib/pleroma/web/activity_pub/transmogrifier.ex
	@@ -1,1099 +1,1114 @@
	# Pleroma: A lightweight social networking server
	# Copyright © 2017-2019 Pleroma Authors <https://pleroma.social/>
	# SPDX-License-Identifier: AGPL-3.0-only

	defmodule Pleroma.Web.ActivityPub.Transmogrifier do
	@moduledoc """
	A module to handle coding from internal to wire ActivityPub and back.
	"""
	alias Pleroma.Activity
	alias Pleroma.Object
	alias Pleroma.Object.Containment
	alias Pleroma.Repo
	alias Pleroma.User
	alias Pleroma.Web.ActivityPub.ActivityPub
	alias Pleroma.Web.ActivityPub.Utils
	alias Pleroma.Web.ActivityPub.Visibility
	alias Pleroma.Web.Federator

	import Ecto.Query

	require Logger

	@doc """
	Modifies an incoming AP object (mastodon format) to our internal format.
	"""
	def fix_object(object, options \\ []) do
	object
	\|> fix_actor
	\|> fix_url
	\|> fix_attachments
	\|> fix_context
	\|> fix_in_reply_to(options)
	\|> fix_emoji
	\|> fix_tag
	\|> fix_content_map
	\|> fix_likes
	\|> fix_addressing
	\|> fix_summary
	\|> fix_type(options)
	end

	def fix_summary(%{"summary" => nil} = object) do
	object
	\|> Map.put("summary", "")
	end

	def fix_summary(%{"summary" => _} = object) do
	# summary is present, nothing to do
	object
	end

	def fix_summary(object) do
	object
	\|> Map.put("summary", "")
	end

	def fix_addressing_list(map, field) do
	cond do
	is_binary(map[field]) ->
	Map.put(map, field, [map[field]])

	is_nil(map[field]) ->
	Map.put(map, field, [])

	true ->
	map
	end
	end

	def fix_explicit_addressing(
	%{"to" => to, "cc" => cc} = object,
	explicit_mentions,
	follower_collection
	) do
	explicit_to =
	to
	\|> Enum.filter(fn x -> x in explicit_mentions end)

	explicit_cc =
	to
	\|> Enum.filter(fn x -> x not in explicit_mentions end)

	final_cc =
	(cc ++ explicit_cc)
	\|> Enum.reject(fn x -> String.ends_with?(x, "/followers") and x != follower_collection end)
	\|> Enum.uniq()

	object
	\|> Map.put("to", explicit_to)
	\|> Map.put("cc", final_cc)
	end

	def fix_explicit_addressing(object, _explicit_mentions, _followers_collection), do: object

	# if directMessage flag is set to true, leave the addressing alone
	def fix_explicit_addressing(%{"directMessage" => true} = object), do: object

	def fix_explicit_addressing(object) do
	explicit_mentions =
	object
	\|> Utils.determine_explicit_mentions()

	follower_collection = User.get_cached_by_ap_id(Containment.get_actor(object)).follower_address

	explicit_mentions =
	explicit_mentions ++ ["https://www.w3.org/ns/activitystreams#Public", follower_collection]

	fix_explicit_addressing(object, explicit_mentions, follower_collection)
	end

	# if as:Public is addressed, then make sure the followers collection is also addressed
	# so that the activities will be delivered to local users.
	def fix_implicit_addressing(%{"to" => to, "cc" => cc} = object, followers_collection) do
	recipients = to ++ cc

	if followers_collection not in recipients do
	cond do
	"https://www.w3.org/ns/activitystreams#Public" in cc ->
	to = to ++ [followers_collection]
	Map.put(object, "to", to)

	"https://www.w3.org/ns/activitystreams#Public" in to ->
	cc = cc ++ [followers_collection]
	Map.put(object, "cc", cc)

	true ->
	object
	end
	else
	object
	end
	end

	def fix_implicit_addressing(object, _), do: object

	def fix_addressing(object) do
	{:ok, %User{} = user} = User.get_or_fetch_by_ap_id(object["actor"])
	followers_collection = User.ap_followers(user)

	object
	\|> fix_addressing_list("to")
	\|> fix_addressing_list("cc")
	\|> fix_addressing_list("bto")
	\|> fix_addressing_list("bcc")
	\|> fix_explicit_addressing()
	\|> fix_implicit_addressing(followers_collection)
	end

	def fix_actor(%{"attributedTo" => actor} = object) do
	object
	\|> Map.put("actor", Containment.get_actor(%{"actor" => actor}))
	end

	# Check for standardisation
	# This is what Peertube does
	# curl -H 'Accept: application/activity+json' $likes \| jq .totalItems
	# Prismo returns only an integer (count) as "likes"
	def fix_likes(%{"likes" => likes} = object) when not is_map(likes) do
	object
	\|> Map.put("likes", [])
	\|> Map.put("like_count", 0)
	end

	def fix_likes(object) do
	object
	end

	def fix_in_reply_to(object, options \\ [])

	def fix_in_reply_to(%{"inReplyTo" => in_reply_to} = object, options)
	when not is_nil(in_reply_to) do
	in_reply_to_id =
	cond do
	is_bitstring(in_reply_to) ->
	in_reply_to

	is_map(in_reply_to) && is_bitstring(in_reply_to["id"]) ->
	in_reply_to["id"]

	is_list(in_reply_to) && is_bitstring(Enum.at(in_reply_to, 0)) ->
	Enum.at(in_reply_to, 0)

	# Maybe I should output an error too?
	true ->
	""
	end

	object = Map.put(object, "inReplyToAtomUri", in_reply_to_id)

	if Federator.allowed_incoming_reply_depth?(options[:depth]) do
	case get_obj_helper(in_reply_to_id, options) do
	{:ok, replied_object} ->
	with %Activity{} = _activity <-
	Activity.get_create_by_object_ap_id(replied_object.data["id"]) do
	object
	\|> Map.put("inReplyTo", replied_object.data["id"])
	\|> Map.put("inReplyToAtomUri", object["inReplyToAtomUri"] \|\| in_reply_to_id)
	\|> Map.put("conversation", replied_object.data["context"] \|\| object["conversation"])
	\|> Map.put("context", replied_object.data["context"] \|\| object["conversation"])
	else
	e ->
	Logger.error("Couldn't fetch \"#{inspect(in_reply_to_id)}\", error: #{inspect(e)}")
	object
	end

	e ->
	Logger.error("Couldn't fetch \"#{inspect(in_reply_to_id)}\", error: #{inspect(e)}")
	object
	end
	else
	object
	end
	end

	def fix_in_reply_to(object, _options), do: object

	def fix_context(object) do
	context = object["context"] \|\| object["conversation"] \|\| Utils.generate_context_id()

	object
	\|> Map.put("context", context)
	\|> Map.put("conversation", context)
	end

	def fix_attachments(%{"attachment" => attachment} = object) when is_list(attachment) do
	attachments =
	attachment
	\|> Enum.map(fn data ->
	media_type = data["mediaType"] \|\| data["mimeType"]
	href = data["url"] \|\| data["href"]

	url = [%{"type" => "Link", "mediaType" => media_type, "href" => href}]

	data
	\|> Map.put("mediaType", media_type)
	\|> Map.put("url", url)
	end)

	object
	\|> Map.put("attachment", attachments)
	end

	def fix_attachments(%{"attachment" => attachment} = object) when is_map(attachment) do
	Map.put(object, "attachment", [attachment])
	\|> fix_attachments()
	end

	def fix_attachments(object), do: object

	def fix_url(%{"url" => url} = object) when is_map(url) do
	object
	\|> Map.put("url", url["href"])
	end

	def fix_url(%{"type" => "Video", "url" => url} = object) when is_list(url) do
	first_element = Enum.at(url, 0)

	link_element =
	url
	\|> Enum.filter(fn x -> is_map(x) end)
	\|> Enum.filter(fn x -> x["mimeType"] == "text/html" end)
	\|> Enum.at(0)

	object
	\|> Map.put("attachment", [first_element])
	\|> Map.put("url", link_element["href"])
	end

	def fix_url(%{"type" => object_type, "url" => url} = object)
	when object_type != "Video" and is_list(url) do
	first_element = Enum.at(url, 0)

	url_string =
	cond do
	is_bitstring(first_element) -> first_element
	is_map(first_element) -> first_element["href"] \|\| ""
	true -> ""
	end

	object
	\|> Map.put("url", url_string)
	end

	def fix_url(object), do: object

	def fix_emoji(%{"tag" => tags} = object) when is_list(tags) do
	emoji = tags \|> Enum.filter(fn data -> data["type"] == "Emoji" and data["icon"] end)

	emoji =
	emoji
	\|> Enum.reduce(%{}, fn data, mapping ->
	name = String.trim(data["name"], ":")

	mapping \|> Map.put(name, data["icon"]["url"])
	end)

	# we merge mastodon and pleroma emoji into a single mapping, to allow for both wire formats
	emoji = Map.merge(object["emoji"] \|\| %{}, emoji)

	object
	\|> Map.put("emoji", emoji)
	end

	def fix_emoji(%{"tag" => %{"type" => "Emoji"} = tag} = object) do
	name = String.trim(tag["name"], ":")
	emoji = %{name => tag["icon"]["url"]}

	object
	\|> Map.put("emoji", emoji)
	end

	def fix_emoji(object), do: object

	def fix_tag(%{"tag" => tag} = object) when is_list(tag) do
	tags =
	tag
	\|> Enum.filter(fn data -> data["type"] == "Hashtag" and data["name"] end)
	\|> Enum.map(fn data -> String.slice(data["name"], 1..-1) end)

	combined = tag ++ tags

	object
	\|> Map.put("tag", combined)
	end

	def fix_tag(%{"tag" => %{"type" => "Hashtag", "name" => hashtag} = tag} = object) do
	combined = [tag, String.slice(hashtag, 1..-1)]

	object
	\|> Map.put("tag", combined)
	end

	def fix_tag(%{"tag" => %{} = tag} = object), do: Map.put(object, "tag", [tag])

	def fix_tag(object), do: object

	# content map usually only has one language so this will do for now.
	def fix_content_map(%{"contentMap" => content_map} = object) do
	content_groups = Map.to_list(content_map)
	{_, content} = Enum.at(content_groups, 0)

	object
	\|> Map.put("content", content)
	end

	def fix_content_map(object), do: object

	def fix_type(object, options \\ [])

	def fix_type(%{"inReplyTo" => reply_id} = object, options) when is_binary(reply_id) do
	reply =
	if Federator.allowed_incoming_reply_depth?(options[:depth]) do
	Object.normalize(reply_id, true)
	end

	if reply && (reply.data["type"] == "Question" and object["name"]) do
	Map.put(object, "type", "Answer")
	else
	object
	end
	end

	def fix_type(object, _), do: object

	defp mastodon_follow_hack(%{"id" => id, "actor" => follower_id}, followed) do
	with true <- id =~ "follows",
	%User{local: true} = follower <- User.get_cached_by_ap_id(follower_id),
	%Activity{} = activity <- Utils.fetch_latest_follow(follower, followed) do
	{:ok, activity}
	else
	_ -> {:error, nil}
	end
	end

	defp mastodon_follow_hack(_, _), do: {:error, nil}

	defp get_follow_activity(follow_object, followed) do
	with object_id when not is_nil(object_id) <- Utils.get_ap_id(follow_object),
	{_, %Activity{} = activity} <- {:activity, Activity.get_by_ap_id(object_id)} do
	{:ok, activity}
	else
	# Can't find the activity. This might a Mastodon 2.3 "Accept"
	{:activity, nil} ->
	mastodon_follow_hack(follow_object, followed)

	_ ->
	{:error, nil}
	end
	end

	def handle_incoming(data, options \\ [])

	# Flag objects are placed ahead of the ID check because Mastodon 2.8 and earlier send them
	# with nil ID.
	def handle_incoming(%{"type" => "Flag", "object" => objects, "actor" => actor} = data, _options) do
	with context <- data["context"] \|\| Utils.generate_context_id(),
	content <- data["content"] \|\| "",
	%User{} = actor <- User.get_cached_by_ap_id(actor),

	# Reduce the object list to find the reported user.
	%User{} = account <-
	Enum.reduce_while(objects, nil, fn ap_id, _ ->
	with %User{} = user <- User.get_cached_by_ap_id(ap_id) do
	{:halt, user}
	else
	_ -> {:cont, nil}
	end
	end),

	# Remove the reported user from the object list.
	statuses <- Enum.filter(objects, fn ap_id -> ap_id != account.ap_id end) do
	params = %{
	actor: actor,
	context: context,
	account: account,
	statuses: statuses,
	content: content,
	additional: %{
	"cc" => [account.ap_id]
	}
	}

	ActivityPub.flag(params)
	end
	end

	# disallow objects with bogus IDs
	def handle_incoming(%{"id" => nil}, _options), do: :error
	def handle_incoming(%{"id" => ""}, _options), do: :error
	# length of https:// = 8, should validate better, but good enough for now.
	def handle_incoming(%{"id" => id}, _options) when not (is_binary(id) and length(id) > 8),
	do: :error

	# TODO: validate those with a Ecto scheme
	# - tags
	# - emoji
	def handle_incoming(
	%{"type" => "Create", "object" => %{"type" => objtype} = object} = data,
	options
	)
	when objtype in ["Article", "Note", "Video", "Page", "Question", "Answer"] do
	actor = Containment.get_actor(data)

	data =
	Map.put(data, "actor", actor)
	\|> fix_addressing

	with nil <- Activity.get_create_by_object_ap_id(object["id"]),
	{:ok, %User{} = user} <- User.get_or_fetch_by_ap_id(data["actor"]) do
	options = Keyword.put(options, :depth, (options[:depth] \|\| 0) + 1)
	object = fix_object(data["object"], options)

	params = %{
	to: data["to"],
	object: object,
	actor: user,
	context: object["conversation"],
	local: false,
	published: data["published"],
	additional:
	Map.take(data, [
	"cc",
	"directMessage",
	"id"
	])
	}

	ActivityPub.create(params)
	else
	%Activity{} = activity -> {:ok, activity}
	_e -> :error
	end
	end

	def handle_incoming(
	%{"type" => "Follow", "object" => followed, "actor" => follower, "id" => id} = data,
	_options
	) do
	with %User{local: true} = followed <- User.get_cached_by_ap_id(followed),
	{:ok, %User{} = follower} <- User.get_or_fetch_by_ap_id(follower),
	{:ok, activity} <- ActivityPub.follow(follower, followed, id, false) do
	with deny_follow_blocked <- Pleroma.Config.get([:user, :deny_follow_blocked]),
	{_, false} <-
	{:user_blocked, User.blocks?(followed, follower) && deny_follow_blocked},
	{_, false} <- {:user_locked, User.locked?(followed)},
	{_, {:ok, follower}} <- {:follow, User.follow(follower, followed)},
	{_, {:ok, _}} <-
	{:follow_state_update, Utils.update_follow_state_for_all(activity, "accept")} do
	ActivityPub.accept(%{
	to: [follower.ap_id],
	actor: followed,
	object: data,
	local: true
	})
	else
	{:user_blocked, true} ->
	{:ok, _} = Utils.update_follow_state_for_all(activity, "reject")

	ActivityPub.reject(%{
	to: [follower.ap_id],
	actor: followed,
	object: data,
	local: true
	})

	{:follow, {:error, _}} ->
	{:ok, _} = Utils.update_follow_state_for_all(activity, "reject")

	ActivityPub.reject(%{
	to: [follower.ap_id],
	actor: followed,
	object: data,
	local: true
	})

	{:user_locked, true} ->
	:noop
	end

	{:ok, activity}
	else
	_e ->
	:error
	end
	end

	def handle_incoming(
	%{"type" => "Accept", "object" => follow_object, "actor" => _actor, "id" => _id} = data,
	_options
	) do
	with actor <- Containment.get_actor(data),
	{:ok, %User{} = followed} <- User.get_or_fetch_by_ap_id(actor),
	{:ok, follow_activity} <- get_follow_activity(follow_object, followed),
	{:ok, follow_activity} <- Utils.update_follow_state_for_all(follow_activity, "accept"),
	%User{local: true} = follower <- User.get_cached_by_ap_id(follow_activity.data["actor"]),
	{:ok, _follower} = User.follow(follower, followed) do
	ActivityPub.accept(%{
	to: follow_activity.data["to"],
	type: "Accept",
	actor: followed,
	object: follow_activity.data["id"],
	local: false
	})
	else
	_e -> :error
	end
	end

	def handle_incoming(
	%{"type" => "Reject", "object" => follow_object, "actor" => _actor, "id" => _id} = data,
	_options
	) do
	with actor <- Containment.get_actor(data),
	{:ok, %User{} = followed} <- User.get_or_fetch_by_ap_id(actor),
	{:ok, follow_activity} <- get_follow_activity(follow_object, followed),
	{:ok, follow_activity} <- Utils.update_follow_state_for_all(follow_activity, "reject"),
	%User{local: true} = follower <- User.get_cached_by_ap_id(follow_activity.data["actor"]),
	{:ok, activity} <-
	ActivityPub.reject(%{
	to: follow_activity.data["to"],
	type: "Reject",
	actor: followed,
	object: follow_activity.data["id"],
	local: false
	}) do
	User.unfollow(follower, followed)

	{:ok, activity}
	else
	_e -> :error
	end
	end

	def handle_incoming(
	%{"type" => "Like", "object" => object_id, "actor" => _actor, "id" => id} = data,
	_options
	) do
	with actor <- Containment.get_actor(data),
	{:ok, %User{} = actor} <- User.get_or_fetch_by_ap_id(actor),
	{:ok, object} <- get_obj_helper(object_id),
	{:ok, activity, _object} <- ActivityPub.like(actor, object, id, false) do
	{:ok, activity}
	else
	_e -> :error
	end
	end

	def handle_incoming(
	%{"type" => "Announce", "object" => object_id, "actor" => _actor, "id" => id} = data,
	_options
	) do
	with actor <- Containment.get_actor(data),
	{:ok, %User{} = actor} <- User.get_or_fetch_by_ap_id(actor),
	{:ok, object} <- get_obj_helper(object_id),
	public <- Visibility.is_public?(data),
	{:ok, activity, _object} <- ActivityPub.announce(actor, object, id, false, public) do
	{:ok, activity}
	else
	_e -> :error
	end
	end

	def handle_incoming(
	%{"type" => "Update", "object" => %{"type" => object_type} = object, "actor" => actor_id} =
	data,
	_options
	)
	when object_type in ["Person", "Application", "Service", "Organization"] do
	with %User{ap_id: ^actor_id} = actor <- User.get_cached_by_ap_id(object["id"]) do
	{:ok, new_user_data} = ActivityPub.user_data_from_user_object(object)

	banner = new_user_data[:info]["banner"]
	locked = new_user_data[:info]["locked"] \|\| false

	update_data =
	new_user_data
	\|> Map.take([:name, :bio, :avatar])
	\|> Map.put(:info, %{"banner" => banner, "locked" => locked})

	actor
	\|> User.upgrade_changeset(update_data)
	\|> User.update_and_set_cache()

	ActivityPub.update(%{
	local: false,
	to: data["to"] \|\| [],
	cc: data["cc"] \|\| [],
	object: object,
	actor: actor_id
	})
	else
	e ->
	Logger.error(e)
	:error
	end
	end

	+ def handle_incoming(%{
	+ "type" => "Delete",
	+ "object" => %{"type" => "Person", "id" => object_id},
	+ "actor" => actor_id
	+ }) do
	+ with %User{ap_id: ^actor_id} = actor <- User.get_cached_by_ap_id(object_id),
	+ {:ok, user} = Repo.delete(actor) do
	+ {:ok, user}
	+ else
	+ _ ->
	+ Logger.error("Could not delete user #{object_id}")
	+ :error
	+ end
	+ end
	+
	# TODO: We presently assume that any actor on the same origin domain as the object being
	# deleted has the rights to delete that object. A better way to validate whether or not
	# the object should be deleted is to refetch the object URI, which should return either
	# an error or a tombstone. This would allow us to verify that a deletion actually took
	# place.
	def handle_incoming(
	%{"type" => "Delete", "object" => object_id, "actor" => _actor, "id" => _id} = data,
	_options
	) do
	object_id = Utils.get_ap_id(object_id)

	with actor <- Containment.get_actor(data),
	{:ok, %User{} = actor} <- User.get_or_fetch_by_ap_id(actor),
	{:ok, object} <- get_obj_helper(object_id),
	:ok <- Containment.contain_origin(actor.ap_id, object.data),
	{:ok, activity} <- ActivityPub.delete(object, false) do
	{:ok, activity}
	else
	_e -> :error
	end
	end

	def handle_incoming(
	%{
	"type" => "Undo",
	"object" => %{"type" => "Announce", "object" => object_id},
	"actor" => _actor,
	"id" => id
	} = data,
	_options
	) do
	with actor <- Containment.get_actor(data),
	{:ok, %User{} = actor} <- User.get_or_fetch_by_ap_id(actor),
	{:ok, object} <- get_obj_helper(object_id),
	{:ok, activity, _} <- ActivityPub.unannounce(actor, object, id, false) do
	{:ok, activity}
	else
	_e -> :error
	end
	end

	def handle_incoming(
	%{
	"type" => "Undo",
	"object" => %{"type" => "Follow", "object" => followed},
	"actor" => follower,
	"id" => id
	} = _data,
	_options
	) do
	with %User{local: true} = followed <- User.get_cached_by_ap_id(followed),
	{:ok, %User{} = follower} <- User.get_or_fetch_by_ap_id(follower),
	{:ok, activity} <- ActivityPub.unfollow(follower, followed, id, false) do
	User.unfollow(follower, followed)
	{:ok, activity}
	else
	_e -> :error
	end
	end

	def handle_incoming(
	%{
	"type" => "Undo",
	"object" => %{"type" => "Block", "object" => blocked},
	"actor" => blocker,
	"id" => id
	} = _data,
	_options
	) do
	with true <- Pleroma.Config.get([:activitypub, :accept_blocks]),
	%User{local: true} = blocked <- User.get_cached_by_ap_id(blocked),
	{:ok, %User{} = blocker} <- User.get_or_fetch_by_ap_id(blocker),
	{:ok, activity} <- ActivityPub.unblock(blocker, blocked, id, false) do
	User.unblock(blocker, blocked)
	{:ok, activity}
	else
	_e -> :error
	end
	end

	def handle_incoming(
	%{"type" => "Block", "object" => blocked, "actor" => blocker, "id" => id} = _data,
	_options
	) do
	with true <- Pleroma.Config.get([:activitypub, :accept_blocks]),
	%User{local: true} = blocked = User.get_cached_by_ap_id(blocked),
	{:ok, %User{} = blocker} = User.get_or_fetch_by_ap_id(blocker),
	{:ok, activity} <- ActivityPub.block(blocker, blocked, id, false) do
	User.unfollow(blocker, blocked)
	User.block(blocker, blocked)
	{:ok, activity}
	else
	_e -> :error
	end
	end

	def handle_incoming(
	%{
	"type" => "Undo",
	"object" => %{"type" => "Like", "object" => object_id},
	"actor" => _actor,
	"id" => id
	} = data,
	_options
	) do
	with actor <- Containment.get_actor(data),
	{:ok, %User{} = actor} <- User.get_or_fetch_by_ap_id(actor),
	{:ok, object} <- get_obj_helper(object_id),
	{:ok, activity, _, _} <- ActivityPub.unlike(actor, object, id, false) do
	{:ok, activity}
	else
	_e -> :error
	end
	end

	def handle_incoming(_, _), do: :error

	def get_obj_helper(id, options \\ []) do
	if object = Object.normalize(id, true, options), do: {:ok, object}, else: nil
	end

	def set_reply_to_uri(%{"inReplyTo" => in_reply_to} = object) when is_binary(in_reply_to) do
	with false <- String.starts_with?(in_reply_to, "http"),
	{:ok, %{data: replied_to_object}} <- get_obj_helper(in_reply_to) do
	Map.put(object, "inReplyTo", replied_to_object["external_url"] \|\| in_reply_to)
	else
	_e -> object
	end
	end

	def set_reply_to_uri(obj), do: obj

	# Prepares the object of an outgoing create activity.
	def prepare_object(object) do
	object
	\|> set_sensitive
	\|> add_hashtags
	\|> add_mention_tags
	\|> add_emoji_tags
	\|> add_attributed_to
	\|> add_likes
	\|> prepare_attachments
	\|> set_conversation
	\|> set_reply_to_uri
	\|> strip_internal_fields
	\|> strip_internal_tags
	\|> set_type
	end

	# @doc
	# """
	# internal -> Mastodon
	# """

	def prepare_outgoing(%{"type" => "Create", "object" => object_id} = data) do
	object =
	Object.normalize(object_id).data
	\|> prepare_object

	data =
	data
	\|> Map.put("object", object)
	\|> Map.merge(Utils.make_json_ld_header())

	{:ok, data}
	end

	# Mastodon Accept/Reject requires a non-normalized object containing the actor URIs,
	# because of course it does.
	def prepare_outgoing(%{"type" => "Accept"} = data) do
	with follow_activity <- Activity.normalize(data["object"]) do
	object = %{
	"actor" => follow_activity.actor,
	"object" => follow_activity.data["object"],
	"id" => follow_activity.data["id"],
	"type" => "Follow"
	}

	data =
	data
	\|> Map.put("object", object)
	\|> Map.merge(Utils.make_json_ld_header())

	{:ok, data}
	end
	end

	def prepare_outgoing(%{"type" => "Reject"} = data) do
	with follow_activity <- Activity.normalize(data["object"]) do
	object = %{
	"actor" => follow_activity.actor,
	"object" => follow_activity.data["object"],
	"id" => follow_activity.data["id"],
	"type" => "Follow"
	}

	data =
	data
	\|> Map.put("object", object)
	\|> Map.merge(Utils.make_json_ld_header())

	{:ok, data}
	end
	end

	def prepare_outgoing(%{"type" => _type} = data) do
	data =
	data
	\|> strip_internal_fields
	\|> maybe_fix_object_url
	\|> Map.merge(Utils.make_json_ld_header())

	{:ok, data}
	end

	def maybe_fix_object_url(data) do
	if is_binary(data["object"]) and not String.starts_with?(data["object"], "http") do
	case get_obj_helper(data["object"]) do
	{:ok, relative_object} ->
	if relative_object.data["external_url"] do
	_data =
	data
	\|> Map.put("object", relative_object.data["external_url"])
	else
	data
	end

	e ->
	Logger.error("Couldn't fetch #{data["object"]} #{inspect(e)}")
	data
	end
	else
	data
	end
	end

	def add_hashtags(object) do
	tags =
	(object["tag"] \|\| [])
	\|> Enum.map(fn
	# Expand internal representation tags into AS2 tags.
	tag when is_binary(tag) ->
	%{
	"href" => Pleroma.Web.Endpoint.url() <> "/tags/#{tag}",
	"name" => "##{tag}",
	"type" => "Hashtag"
	}

	# Do not process tags which are already AS2 tag objects.
	tag when is_map(tag) ->
	tag
	end)

	object
	\|> Map.put("tag", tags)
	end

	def add_mention_tags(object) do
	mentions =
	object
	\|> Utils.get_notified_from_object()
	\|> Enum.map(fn user ->
	%{"type" => "Mention", "href" => user.ap_id, "name" => "@#{user.nickname}"}
	end)

	tags = object["tag"] \|\| []

	object
	\|> Map.put("tag", tags ++ mentions)
	end

	def add_emoji_tags(%User{info: %{"emoji" => _emoji} = user_info} = object) do
	user_info = add_emoji_tags(user_info)

	object
	\|> Map.put(:info, user_info)
	end

	# TODO: we should probably send mtime instead of unix epoch time for updated
	def add_emoji_tags(%{"emoji" => emoji} = object) do
	tags = object["tag"] \|\| []

	out =
	emoji
	\|> Enum.map(fn {name, url} ->
	%{
	"icon" => %{"url" => url, "type" => "Image"},
	"name" => ":" <> name <> ":",
	"type" => "Emoji",
	"updated" => "1970-01-01T00:00:00Z",
	"id" => url
	}
	end)

	object
	\|> Map.put("tag", tags ++ out)
	end

	def add_emoji_tags(object) do
	object
	end

	def set_conversation(object) do
	Map.put(object, "conversation", object["context"])
	end

	def set_sensitive(object) do
	tags = object["tag"] \|\| []
	Map.put(object, "sensitive", "nsfw" in tags)
	end

	def set_type(%{"type" => "Answer"} = object) do
	Map.put(object, "type", "Note")
	end

	def set_type(object), do: object

	def add_attributed_to(object) do
	attributed_to = object["attributedTo"] \|\| object["actor"]

	object
	\|> Map.put("attributedTo", attributed_to)
	end

	def add_likes(%{"id" => id, "like_count" => likes} = object) do
	likes = %{
	"id" => "#{id}/likes",
	"first" => "#{id}/likes?page=1",
	"type" => "OrderedCollection",
	"totalItems" => likes
	}

	object
	\|> Map.put("likes", likes)
	end

	def add_likes(object) do
	object
	end

	def prepare_attachments(object) do
	attachments =
	(object["attachment"] \|\| [])
	\|> Enum.map(fn data ->
	[%{"mediaType" => media_type, "href" => href} \| _] = data["url"]
	%{"url" => href, "mediaType" => media_type, "name" => data["name"], "type" => "Document"}
	end)

	object
	\|> Map.put("attachment", attachments)
	end

	defp strip_internal_fields(object) do
	object
	\|> Map.drop([
	"like_count",
	"announcements",
	"announcement_count",
	"emoji",
	"context_id",
	"deleted_activity_id"
	])
	end

	defp strip_internal_tags(%{"tag" => tags} = object) do
	tags =
	tags
	\|> Enum.filter(fn x -> is_map(x) end)

	object
	\|> Map.put("tag", tags)
	end

	defp strip_internal_tags(object), do: object

	def perform(:user_upgrade, user) do
	# we pass a fake user so that the followers collection is stripped away
	old_follower_address = User.ap_followers(%User{nickname: user.nickname})

	q =
	from(
	u in User,
	where: ^old_follower_address in u.following,
	update: [
	set: [
	following:
	fragment(
	"array_replace(?,?,?)",
	u.following,
	^old_follower_address,
	^user.follower_address
	)
	]
	]
	)

	Repo.update_all(q, [])

	maybe_retire_websub(user.ap_id)

	q =
	from(
	a in Activity,
	where: ^old_follower_address in a.recipients,
	update: [
	set: [
	recipients:
	fragment(
	"array_replace(?,?,?)",
	a.recipients,
	^old_follower_address,
	^user.follower_address
	)
	]
	]
	)

	Repo.update_all(q, [])
	end

	def upgrade_user_from_ap_id(ap_id) do
	with %User{local: false} = user <- User.get_cached_by_ap_id(ap_id),
	{:ok, data} <- ActivityPub.fetch_and_prepare_user_from_ap_id(ap_id),
	already_ap <- User.ap_enabled?(user),
	{:ok, user} <- user \|> User.upgrade_changeset(data) \|> User.update_and_set_cache() do
	unless already_ap do
	PleromaJobQueue.enqueue(:transmogrifier, __MODULE__, [:user_upgrade, user])
	end

	{:ok, user}
	else
	%User{} = user -> {:ok, user}
	e -> e
	end
	end

	def maybe_retire_websub(ap_id) do
	# some sanity checks
	if is_binary(ap_id) && String.length(ap_id) > 8 do
	q =
	from(
	ws in Pleroma.Web.Websub.WebsubClientSubscription,
	where: fragment("? like ?", ws.topic, ^"#{ap_id}%")
	)

	Repo.delete_all(q)
	end
	end

	def maybe_fix_user_url(data) do
	if is_map(data["url"]) do
	Map.put(data, "url", data["url"]["href"])
	else
	data
	end
	end

	def maybe_fix_user_object(data) do
	data
	\|> maybe_fix_user_url
	end
	end
	diff --git a/test/web/activity_pub/transmogrifier_test.exs b/test/web/activity_pub/transmogrifier_test.exs
	index a914d3c4c..e0389cf9a 100644
	--- a/test/web/activity_pub/transmogrifier_test.exs
	+++ b/test/web/activity_pub/transmogrifier_test.exs
	@@ -1,1335 +1,1366 @@
	# Pleroma: A lightweight social networking server
	# Copyright © 2017-2018 Pleroma Authors <https://pleroma.social/>
	# SPDX-License-Identifier: AGPL-3.0-only

	defmodule Pleroma.Web.ActivityPub.TransmogrifierTest do
	use Pleroma.DataCase
	alias Pleroma.Activity
	alias Pleroma.Object
	alias Pleroma.Object.Fetcher
	alias Pleroma.Repo
	alias Pleroma.User
	alias Pleroma.Web.ActivityPub.ActivityPub
	alias Pleroma.Web.ActivityPub.Transmogrifier
	alias Pleroma.Web.CommonAPI
	alias Pleroma.Web.OStatus
	alias Pleroma.Web.Websub.WebsubClientSubscription

	import Mock
	import Pleroma.Factory
	import ExUnit.CaptureLog

	setup_all do
	Tesla.Mock.mock_global(fn env -> apply(HttpRequestMock, :request, [env]) end)
	:ok
	end

	describe "handle_incoming" do
	test "it ignores an incoming notice if we already have it" do
	activity = insert(:note_activity)

	data =
	File.read!("test/fixtures/mastodon-post-activity.json")
	\|> Poison.decode!()
	\|> Map.put("object", activity.data["object"])

	{:ok, returned_activity} = Transmogrifier.handle_incoming(data)

	assert activity == returned_activity
	end

	test "it fetches replied-to activities if we don't have them" do
	data =
	File.read!("test/fixtures/mastodon-post-activity.json")
	\|> Poison.decode!()

	object =
	data["object"]
	\|> Map.put("inReplyTo", "https://shitposter.club/notice/2827873")

	data = Map.put(data, "object", object)
	{:ok, returned_activity} = Transmogrifier.handle_incoming(data)

	returned_object = Object.normalize(returned_activity.data["object"], false)

	assert activity =
	Activity.get_create_by_object_ap_id(
	"tag:shitposter.club,2017-05-05:noticeId=2827873:objectType=comment"
	)

	assert returned_object.data["inReplyToAtomUri"] == "https://shitposter.club/notice/2827873"
	end

	test "it does not fetch replied-to activities beyond max_replies_depth" do
	data =
	File.read!("test/fixtures/mastodon-post-activity.json")
	\|> Poison.decode!()

	object =
	data["object"]
	\|> Map.put("inReplyTo", "https://shitposter.club/notice/2827873")

	data = Map.put(data, "object", object)

	with_mock Pleroma.Web.Federator,
	allowed_incoming_reply_depth?: fn _ -> false end do
	{:ok, returned_activity} = Transmogrifier.handle_incoming(data)

	returned_object = Object.normalize(returned_activity.data["object"], false)

	refute Activity.get_create_by_object_ap_id(
	"tag:shitposter.club,2017-05-05:noticeId=2827873:objectType=comment"
	)

	assert returned_object.data["inReplyToAtomUri"] ==
	"https://shitposter.club/notice/2827873"
	end
	end

	test "it does not crash if the object in inReplyTo can't be fetched" do
	data =
	File.read!("test/fixtures/mastodon-post-activity.json")
	\|> Poison.decode!()

	object =
	data["object"]
	\|> Map.put("inReplyTo", "https://404.site/whatever")

	data =
	data
	\|> Map.put("object", object)

	assert capture_log(fn ->
	{:ok, _returned_activity} = Transmogrifier.handle_incoming(data)
	end) =~ "[error] Couldn't fetch \"\"https://404.site/whatever\"\", error: nil"
	end

	test "it works for incoming notices" do
	data = File.read!("test/fixtures/mastodon-post-activity.json") \|> Poison.decode!()

	{:ok, %Activity{data: data, local: false}} = Transmogrifier.handle_incoming(data)

	assert data["id"] ==
	"http://mastodon.example.org/users/admin/statuses/99512778738411822/activity"

	assert data["context"] ==
	"tag:mastodon.example.org,2018-02-12:objectId=20:objectType=Conversation"

	assert data["to"] == ["https://www.w3.org/ns/activitystreams#Public"]

	assert data["cc"] == [
	"http://mastodon.example.org/users/admin/followers",
	"http://localtesting.pleroma.lol/users/lain"
	]

	assert data["actor"] == "http://mastodon.example.org/users/admin"

	object = Object.normalize(data["object"]).data
	assert object["id"] == "http://mastodon.example.org/users/admin/statuses/99512778738411822"

	assert object["to"] == ["https://www.w3.org/ns/activitystreams#Public"]

	assert object["cc"] == [
	"http://mastodon.example.org/users/admin/followers",
	"http://localtesting.pleroma.lol/users/lain"
	]

	assert object["actor"] == "http://mastodon.example.org/users/admin"
	assert object["attributedTo"] == "http://mastodon.example.org/users/admin"

	assert object["context"] ==
	"tag:mastodon.example.org,2018-02-12:objectId=20:objectType=Conversation"

	assert object["sensitive"] == true

	user = User.get_cached_by_ap_id(object["actor"])

	assert user.info.note_count == 1
	end

	test "it works for incoming notices with hashtags" do
	data = File.read!("test/fixtures/mastodon-post-activity-hashtag.json") \|> Poison.decode!()

	{:ok, %Activity{data: data, local: false}} = Transmogrifier.handle_incoming(data)
	object = Object.normalize(data["object"])

	assert Enum.at(object.data["tag"], 2) == "moo"
	end

	test "it works for incoming questions" do
	data = File.read!("test/fixtures/mastodon-question-activity.json") \|> Poison.decode!()

	{:ok, %Activity{local: false} = activity} = Transmogrifier.handle_incoming(data)

	object = Object.normalize(activity)

	assert Enum.all?(object.data["oneOf"], fn choice ->
	choice["name"] in [
	"Dunno",
	"Everyone knows that!",
	"25 char limit is dumb",
	"I can't even fit a funny"
	]
	end)
	end

	test "it rewrites Note votes to Answers and increments vote counters on question activities" do
	user = insert(:user)

	{:ok, activity} =
	CommonAPI.post(user, %{
	"status" => "suya...",
	"poll" => %{"options" => ["suya", "suya.", "suya.."], "expires_in" => 10}
	})

	object = Object.normalize(activity)

	data =
	File.read!("test/fixtures/mastodon-vote.json")
	\|> Poison.decode!()
	\|> Kernel.put_in(["to"], user.ap_id)
	\|> Kernel.put_in(["object", "inReplyTo"], object.data["id"])
	\|> Kernel.put_in(["object", "to"], user.ap_id)

	{:ok, %Activity{local: false} = activity} = Transmogrifier.handle_incoming(data)
	answer_object = Object.normalize(activity)
	assert answer_object.data["type"] == "Answer"
	object = Object.get_by_ap_id(object.data["id"])

	assert Enum.any?(
	object.data["oneOf"],
	fn
	%{"name" => "suya..", "replies" => %{"totalItems" => 1}} -> true
	_ -> false
	end
	)
	end

	test "it works for incoming notices with contentMap" do
	data =
	File.read!("test/fixtures/mastodon-post-activity-contentmap.json") \|> Poison.decode!()

	{:ok, %Activity{data: data, local: false}} = Transmogrifier.handle_incoming(data)
	object = Object.normalize(data["object"])

	assert object.data["content"] ==
	"<p><span class=\"h-card\"><a href=\"http://localtesting.pleroma.lol/users/lain\" class=\"u-url mention\">@<span>lain</span></a></span></p>"
	end

	test "it works for incoming notices with to/cc not being an array (kroeg)" do
	data = File.read!("test/fixtures/kroeg-post-activity.json") \|> Poison.decode!()

	{:ok, %Activity{data: data, local: false}} = Transmogrifier.handle_incoming(data)
	object = Object.normalize(data["object"])

	assert object.data["content"] ==
	"<p>henlo from my Psion netBook</p><p>message sent from my Psion netBook</p>"
	end

	test "it works for incoming announces with actor being inlined (kroeg)" do
	data = File.read!("test/fixtures/kroeg-announce-with-inline-actor.json") \|> Poison.decode!()

	{:ok, %Activity{data: data, local: false}} = Transmogrifier.handle_incoming(data)

	assert data["actor"] == "https://puckipedia.com/"
	end

	test "it works for incoming notices with tag not being an array (kroeg)" do
	data = File.read!("test/fixtures/kroeg-array-less-emoji.json") \|> Poison.decode!()

	{:ok, %Activity{data: data, local: false}} = Transmogrifier.handle_incoming(data)
	object = Object.normalize(data["object"])

	assert object.data["emoji"] == %{
	"icon_e_smile" => "https://puckipedia.com/forum/images/smilies/icon_e_smile.png"
	}

	data = File.read!("test/fixtures/kroeg-array-less-hashtag.json") \|> Poison.decode!()

	{:ok, %Activity{data: data, local: false}} = Transmogrifier.handle_incoming(data)
	object = Object.normalize(data["object"])

	assert "test" in object.data["tag"]
	end

	test "it works for incoming notices with url not being a string (prismo)" do
	data = File.read!("test/fixtures/prismo-url-map.json") \|> Poison.decode!()

	{:ok, %Activity{data: data, local: false}} = Transmogrifier.handle_incoming(data)
	object = Object.normalize(data["object"])

	assert object.data["url"] == "https://prismo.news/posts/83"
	end

	test "it cleans up incoming notices which are not really DMs" do
	user = insert(:user)
	other_user = insert(:user)

	to = [user.ap_id, other_user.ap_id]

	data =
	File.read!("test/fixtures/mastodon-post-activity.json")
	\|> Poison.decode!()
	\|> Map.put("to", to)
	\|> Map.put("cc", [])

	object =
	data["object"]
	\|> Map.put("to", to)
	\|> Map.put("cc", [])

	data = Map.put(data, "object", object)

	{:ok, %Activity{data: data, local: false} = activity} = Transmogrifier.handle_incoming(data)

	assert data["to"] == []
	assert data["cc"] == to

	object_data = Object.normalize(activity).data

	assert object_data["to"] == []
	assert object_data["cc"] == to
	end

	test "it works for incoming likes" do
	user = insert(:user)
	{:ok, activity} = CommonAPI.post(user, %{"status" => "hello"})

	data =
	File.read!("test/fixtures/mastodon-like.json")
	\|> Poison.decode!()
	\|> Map.put("object", activity.data["object"])

	{:ok, %Activity{data: data, local: false}} = Transmogrifier.handle_incoming(data)

	assert data["actor"] == "http://mastodon.example.org/users/admin"
	assert data["type"] == "Like"
	assert data["id"] == "http://mastodon.example.org/users/admin#likes/2"
	assert data["object"] == activity.data["object"]
	end

	test "it returns an error for incoming unlikes wihout a like activity" do
	user = insert(:user)
	{:ok, activity} = CommonAPI.post(user, %{"status" => "leave a like pls"})

	data =
	File.read!("test/fixtures/mastodon-undo-like.json")
	\|> Poison.decode!()
	\|> Map.put("object", activity.data["object"])

	assert Transmogrifier.handle_incoming(data) == :error
	end

	test "it works for incoming unlikes with an existing like activity" do
	user = insert(:user)
	{:ok, activity} = CommonAPI.post(user, %{"status" => "leave a like pls"})

	like_data =
	File.read!("test/fixtures/mastodon-like.json")
	\|> Poison.decode!()
	\|> Map.put("object", activity.data["object"])

	{:ok, %Activity{data: like_data, local: false}} = Transmogrifier.handle_incoming(like_data)

	data =
	File.read!("test/fixtures/mastodon-undo-like.json")
	\|> Poison.decode!()
	\|> Map.put("object", like_data)
	\|> Map.put("actor", like_data["actor"])

	{:ok, %Activity{data: data, local: false}} = Transmogrifier.handle_incoming(data)

	assert data["actor"] == "http://mastodon.example.org/users/admin"
	assert data["type"] == "Undo"
	assert data["id"] == "http://mastodon.example.org/users/admin#likes/2/undo"
	assert data["object"]["id"] == "http://mastodon.example.org/users/admin#likes/2"
	end

	test "it works for incoming announces" do
	data = File.read!("test/fixtures/mastodon-announce.json") \|> Poison.decode!()

	{:ok, %Activity{data: data, local: false}} = Transmogrifier.handle_incoming(data)

	assert data["actor"] == "http://mastodon.example.org/users/admin"
	assert data["type"] == "Announce"

	assert data["id"] ==
	"http://mastodon.example.org/users/admin/statuses/99542391527669785/activity"

	assert data["object"] ==
	"http://mastodon.example.org/users/admin/statuses/99541947525187367"

	assert Activity.get_create_by_object_ap_id(data["object"])
	end

	test "it works for incoming announces with an existing activity" do
	user = insert(:user)
	{:ok, activity} = CommonAPI.post(user, %{"status" => "hey"})

	data =
	File.read!("test/fixtures/mastodon-announce.json")
	\|> Poison.decode!()
	\|> Map.put("object", activity.data["object"])

	{:ok, %Activity{data: data, local: false}} = Transmogrifier.handle_incoming(data)

	assert data["actor"] == "http://mastodon.example.org/users/admin"
	assert data["type"] == "Announce"

	assert data["id"] ==
	"http://mastodon.example.org/users/admin/statuses/99542391527669785/activity"

	assert data["object"] == activity.data["object"]

	assert Activity.get_create_by_object_ap_id(data["object"]).id == activity.id
	end

	test "it does not clobber the addressing on announce activities" do
	user = insert(:user)
	{:ok, activity} = CommonAPI.post(user, %{"status" => "hey"})

	data =
	File.read!("test/fixtures/mastodon-announce.json")
	\|> Poison.decode!()
	\|> Map.put("object", Object.normalize(activity).data["id"])
	\|> Map.put("to", ["http://mastodon.example.org/users/admin/followers"])
	\|> Map.put("cc", [])

	{:ok, %Activity{data: data, local: false}} = Transmogrifier.handle_incoming(data)

	assert data["to"] == ["http://mastodon.example.org/users/admin/followers"]
	end

	test "it ensures that as:Public activities make it to their followers collection" do
	user = insert(:user)

	data =
	File.read!("test/fixtures/mastodon-post-activity.json")
	\|> Poison.decode!()
	\|> Map.put("actor", user.ap_id)
	\|> Map.put("to", ["https://www.w3.org/ns/activitystreams#Public"])
	\|> Map.put("cc", [])

	object =
	data["object"]
	\|> Map.put("attributedTo", user.ap_id)
	\|> Map.put("to", ["https://www.w3.org/ns/activitystreams#Public"])
	\|> Map.put("cc", [])

	data = Map.put(data, "object", object)

	{:ok, %Activity{data: data, local: false}} = Transmogrifier.handle_incoming(data)

	assert data["cc"] == [User.ap_followers(user)]
	end

	test "it ensures that address fields become lists" do
	user = insert(:user)

	data =
	File.read!("test/fixtures/mastodon-post-activity.json")
	\|> Poison.decode!()
	\|> Map.put("actor", user.ap_id)
	\|> Map.put("to", nil)
	\|> Map.put("cc", nil)

	object =
	data["object"]
	\|> Map.put("attributedTo", user.ap_id)
	\|> Map.put("to", nil)
	\|> Map.put("cc", nil)

	data = Map.put(data, "object", object)

	{:ok, %Activity{data: data, local: false}} = Transmogrifier.handle_incoming(data)

	assert !is_nil(data["to"])
	assert !is_nil(data["cc"])
	end

	test "it works for incoming update activities" do
	data = File.read!("test/fixtures/mastodon-post-activity.json") \|> Poison.decode!()

	{:ok, %Activity{data: data, local: false}} = Transmogrifier.handle_incoming(data)
	update_data = File.read!("test/fixtures/mastodon-update.json") \|> Poison.decode!()

	object =
	update_data["object"]
	\|> Map.put("actor", data["actor"])
	\|> Map.put("id", data["actor"])

	update_data =
	update_data
	\|> Map.put("actor", data["actor"])
	\|> Map.put("object", object)

	{:ok, %Activity{data: data, local: false}} = Transmogrifier.handle_incoming(update_data)

	user = User.get_cached_by_ap_id(data["actor"])
	assert user.name == "gargle"

	assert user.avatar["url"] == [
	%{
	"href" =>
	"https://cd.niu.moe/accounts/avatars/000/033/323/original/fd7f8ae0b3ffedc9.jpeg"
	}
	]

	assert user.info.banner["url"] == [
	%{
	"href" =>
	"https://cd.niu.moe/accounts/headers/000/033/323/original/850b3448fa5fd477.png"
	}
	]

	assert user.bio == "<p>Some bio</p>"
	end

	test "it works for incoming update activities which lock the account" do
	data = File.read!("test/fixtures/mastodon-post-activity.json") \|> Poison.decode!()

	{:ok, %Activity{data: data, local: false}} = Transmogrifier.handle_incoming(data)
	update_data = File.read!("test/fixtures/mastodon-update.json") \|> Poison.decode!()

	object =
	update_data["object"]
	\|> Map.put("actor", data["actor"])
	\|> Map.put("id", data["actor"])
	\|> Map.put("manuallyApprovesFollowers", true)

	update_data =
	update_data
	\|> Map.put("actor", data["actor"])
	\|> Map.put("object", object)

	{:ok, %Activity{data: data, local: false}} = Transmogrifier.handle_incoming(update_data)

	user = User.get_cached_by_ap_id(data["actor"])
	assert user.info.locked == true
	end

	test "it works for incoming deletes" do
	activity = insert(:note_activity)

	data =
	File.read!("test/fixtures/mastodon-delete.json")
	\|> Poison.decode!()

	object =
	data["object"]
	\|> Map.put("id", activity.data["object"])

	data =
	data
	\|> Map.put("object", object)
	\|> Map.put("actor", activity.data["actor"])

	{:ok, %Activity{local: false}} = Transmogrifier.handle_incoming(data)

	refute Activity.get_by_id(activity.id)
	end

	test "it fails for incoming deletes with spoofed origin" do
	activity = insert(:note_activity)

	data =
	File.read!("test/fixtures/mastodon-delete.json")
	\|> Poison.decode!()

	object =
	data["object"]
	\|> Map.put("id", activity.data["object"])

	data =
	data
	\|> Map.put("object", object)

	assert capture_log(fn ->
	:error = Transmogrifier.handle_incoming(data)
	end) =~
	"[error] Could not decode user at fetch http://mastodon.example.org/users/gargron, {:error, {:error, :nxdomain}}"

	assert Activity.get_by_id(activity.id)
	end

	+ test "it works for incoming user deletes" do
	+ %{ap_id: ap_id} = insert(:user)
	+ object = %{"type" => "Person", "id" => ap_id}
	+
	+ data =
	+ File.read!("test/fixtures/mastodon-delete.json")
	+ \|> Poison.decode!()
	+ \|> Map.put("object", object)
	+ \|> Map.put("actor", ap_id)
	+
	+ {:ok, _} = Transmogrifier.handle_incoming(data)
	+
	+ refute User.get_by_ap_id(ap_id)
	+ end
	+
	+ test "it fails for incoming user deletes with spoofed origin" do
	+ %{ap_id: ap_id} = insert(:user)
	+ object = %{"type" => "Person", "id" => ap_id}
	+
	+ data =
	+ File.read!("test/fixtures/mastodon-delete.json")
	+ \|> Poison.decode!()
	+ \|> Map.put("object", object)
	+
	+ assert capture_log(fn ->
	+ :error = Transmogrifier.handle_incoming(data)
	+ end) =~ "[error] Could not delete user #{ap_id}"
	+
	+ assert User.get_by_ap_id(ap_id)
	+ end
	+
	test "it works for incoming unannounces with an existing notice" do
	user = insert(:user)
	{:ok, activity} = CommonAPI.post(user, %{"status" => "hey"})

	announce_data =
	File.read!("test/fixtures/mastodon-announce.json")
	\|> Poison.decode!()
	\|> Map.put("object", activity.data["object"])

	{:ok, %Activity{data: announce_data, local: false}} =
	Transmogrifier.handle_incoming(announce_data)

	data =
	File.read!("test/fixtures/mastodon-undo-announce.json")
	\|> Poison.decode!()
	\|> Map.put("object", announce_data)
	\|> Map.put("actor", announce_data["actor"])

	{:ok, %Activity{data: data, local: false}} = Transmogrifier.handle_incoming(data)

	assert data["type"] == "Undo"
	assert data["object"]["type"] == "Announce"
	assert data["object"]["object"] == activity.data["object"]

	assert data["object"]["id"] ==
	"http://mastodon.example.org/users/admin/statuses/99542391527669785/activity"
	end

	test "it works for incomming unfollows with an existing follow" do
	user = insert(:user)

	follow_data =
	File.read!("test/fixtures/mastodon-follow-activity.json")
	\|> Poison.decode!()
	\|> Map.put("object", user.ap_id)

	{:ok, %Activity{data: _, local: false}} = Transmogrifier.handle_incoming(follow_data)

	data =
	File.read!("test/fixtures/mastodon-unfollow-activity.json")
	\|> Poison.decode!()
	\|> Map.put("object", follow_data)

	{:ok, %Activity{data: data, local: false}} = Transmogrifier.handle_incoming(data)

	assert data["type"] == "Undo"
	assert data["object"]["type"] == "Follow"
	assert data["object"]["object"] == user.ap_id
	assert data["actor"] == "http://mastodon.example.org/users/admin"

	refute User.following?(User.get_cached_by_ap_id(data["actor"]), user)
	end

	test "it works for incoming blocks" do
	user = insert(:user)

	data =
	File.read!("test/fixtures/mastodon-block-activity.json")
	\|> Poison.decode!()
	\|> Map.put("object", user.ap_id)

	{:ok, %Activity{data: data, local: false}} = Transmogrifier.handle_incoming(data)

	assert data["type"] == "Block"
	assert data["object"] == user.ap_id
	assert data["actor"] == "http://mastodon.example.org/users/admin"

	blocker = User.get_cached_by_ap_id(data["actor"])

	assert User.blocks?(blocker, user)
	end

	test "incoming blocks successfully tear down any follow relationship" do
	blocker = insert(:user)
	blocked = insert(:user)

	data =
	File.read!("test/fixtures/mastodon-block-activity.json")
	\|> Poison.decode!()
	\|> Map.put("object", blocked.ap_id)
	\|> Map.put("actor", blocker.ap_id)

	{:ok, blocker} = User.follow(blocker, blocked)
	{:ok, blocked} = User.follow(blocked, blocker)

	assert User.following?(blocker, blocked)
	assert User.following?(blocked, blocker)

	{:ok, %Activity{data: data, local: false}} = Transmogrifier.handle_incoming(data)

	assert data["type"] == "Block"
	assert data["object"] == blocked.ap_id
	assert data["actor"] == blocker.ap_id

	blocker = User.get_cached_by_ap_id(data["actor"])
	blocked = User.get_cached_by_ap_id(data["object"])

	assert User.blocks?(blocker, blocked)

	refute User.following?(blocker, blocked)
	refute User.following?(blocked, blocker)
	end

	test "it works for incoming unblocks with an existing block" do
	user = insert(:user)

	block_data =
	File.read!("test/fixtures/mastodon-block-activity.json")
	\|> Poison.decode!()
	\|> Map.put("object", user.ap_id)

	{:ok, %Activity{data: _, local: false}} = Transmogrifier.handle_incoming(block_data)

	data =
	File.read!("test/fixtures/mastodon-unblock-activity.json")
	\|> Poison.decode!()
	\|> Map.put("object", block_data)

	{:ok, %Activity{data: data, local: false}} = Transmogrifier.handle_incoming(data)
	assert data["type"] == "Undo"
	assert data["object"]["type"] == "Block"
	assert data["object"]["object"] == user.ap_id
	assert data["actor"] == "http://mastodon.example.org/users/admin"

	blocker = User.get_cached_by_ap_id(data["actor"])

	refute User.blocks?(blocker, user)
	end

	test "it works for incoming accepts which were pre-accepted" do
	follower = insert(:user)
	followed = insert(:user)

	{:ok, follower} = User.follow(follower, followed)
	assert User.following?(follower, followed) == true

	{:ok, follow_activity} = ActivityPub.follow(follower, followed)

	accept_data =
	File.read!("test/fixtures/mastodon-accept-activity.json")
	\|> Poison.decode!()
	\|> Map.put("actor", followed.ap_id)

	object =
	accept_data["object"]
	\|> Map.put("actor", follower.ap_id)
	\|> Map.put("id", follow_activity.data["id"])

	accept_data = Map.put(accept_data, "object", object)

	{:ok, activity} = Transmogrifier.handle_incoming(accept_data)
	refute activity.local

	assert activity.data["object"] == follow_activity.data["id"]

	follower = User.get_cached_by_id(follower.id)

	assert User.following?(follower, followed) == true
	end

	test "it works for incoming accepts which were orphaned" do
	follower = insert(:user)
	followed = insert(:user, %{info: %User.Info{locked: true}})

	{:ok, follow_activity} = ActivityPub.follow(follower, followed)

	accept_data =
	File.read!("test/fixtures/mastodon-accept-activity.json")
	\|> Poison.decode!()
	\|> Map.put("actor", followed.ap_id)

	accept_data =
	Map.put(accept_data, "object", Map.put(accept_data["object"], "actor", follower.ap_id))

	{:ok, activity} = Transmogrifier.handle_incoming(accept_data)
	assert activity.data["object"] == follow_activity.data["id"]

	follower = User.get_cached_by_id(follower.id)

	assert User.following?(follower, followed) == true
	end

	test "it works for incoming accepts which are referenced by IRI only" do
	follower = insert(:user)
	followed = insert(:user, %{info: %User.Info{locked: true}})

	{:ok, follow_activity} = ActivityPub.follow(follower, followed)

	accept_data =
	File.read!("test/fixtures/mastodon-accept-activity.json")
	\|> Poison.decode!()
	\|> Map.put("actor", followed.ap_id)
	\|> Map.put("object", follow_activity.data["id"])

	{:ok, activity} = Transmogrifier.handle_incoming(accept_data)
	assert activity.data["object"] == follow_activity.data["id"]

	follower = User.get_cached_by_id(follower.id)

	assert User.following?(follower, followed) == true
	end

	test "it fails for incoming accepts which cannot be correlated" do
	follower = insert(:user)
	followed = insert(:user, %{info: %User.Info{locked: true}})

	accept_data =
	File.read!("test/fixtures/mastodon-accept-activity.json")
	\|> Poison.decode!()
	\|> Map.put("actor", followed.ap_id)

	accept_data =
	Map.put(accept_data, "object", Map.put(accept_data["object"], "actor", follower.ap_id))

	:error = Transmogrifier.handle_incoming(accept_data)

	follower = User.get_cached_by_id(follower.id)

	refute User.following?(follower, followed) == true
	end

	test "it fails for incoming rejects which cannot be correlated" do
	follower = insert(:user)
	followed = insert(:user, %{info: %User.Info{locked: true}})

	accept_data =
	File.read!("test/fixtures/mastodon-reject-activity.json")
	\|> Poison.decode!()
	\|> Map.put("actor", followed.ap_id)

	accept_data =
	Map.put(accept_data, "object", Map.put(accept_data["object"], "actor", follower.ap_id))

	:error = Transmogrifier.handle_incoming(accept_data)

	follower = User.get_cached_by_id(follower.id)

	refute User.following?(follower, followed) == true
	end

	test "it works for incoming rejects which are orphaned" do
	follower = insert(:user)
	followed = insert(:user, %{info: %User.Info{locked: true}})

	{:ok, follower} = User.follow(follower, followed)
	{:ok, _follow_activity} = ActivityPub.follow(follower, followed)

	assert User.following?(follower, followed) == true

	reject_data =
	File.read!("test/fixtures/mastodon-reject-activity.json")
	\|> Poison.decode!()
	\|> Map.put("actor", followed.ap_id)

	reject_data =
	Map.put(reject_data, "object", Map.put(reject_data["object"], "actor", follower.ap_id))

	{:ok, activity} = Transmogrifier.handle_incoming(reject_data)
	refute activity.local

	follower = User.get_cached_by_id(follower.id)

	assert User.following?(follower, followed) == false
	end

	test "it works for incoming rejects which are referenced by IRI only" do
	follower = insert(:user)
	followed = insert(:user, %{info: %User.Info{locked: true}})

	{:ok, follower} = User.follow(follower, followed)
	{:ok, follow_activity} = ActivityPub.follow(follower, followed)

	assert User.following?(follower, followed) == true

	reject_data =
	File.read!("test/fixtures/mastodon-reject-activity.json")
	\|> Poison.decode!()
	\|> Map.put("actor", followed.ap_id)
	\|> Map.put("object", follow_activity.data["id"])

	{:ok, %Activity{data: _}} = Transmogrifier.handle_incoming(reject_data)

	follower = User.get_cached_by_id(follower.id)

	assert User.following?(follower, followed) == false
	end

	test "it rejects activities without a valid ID" do
	user = insert(:user)

	data =
	File.read!("test/fixtures/mastodon-follow-activity.json")
	\|> Poison.decode!()
	\|> Map.put("object", user.ap_id)
	\|> Map.put("id", "")

	:error = Transmogrifier.handle_incoming(data)
	end

	test "it remaps video URLs as attachments if necessary" do
	{:ok, object} =
	Fetcher.fetch_object_from_id(
	"https://peertube.moe/videos/watch/df5f464b-be8d-46fb-ad81-2d4c2d1630e3"
	)

	attachment = %{
	"type" => "Link",
	"mediaType" => "video/mp4",
	"href" =>
	"https://peertube.moe/static/webseed/df5f464b-be8d-46fb-ad81-2d4c2d1630e3-480.mp4",
	"mimeType" => "video/mp4",
	"size" => 5_015_880,
	"url" => [
	%{
	"href" =>
	"https://peertube.moe/static/webseed/df5f464b-be8d-46fb-ad81-2d4c2d1630e3-480.mp4",
	"mediaType" => "video/mp4",
	"type" => "Link"
	}
	],
	"width" => 480
	}

	assert object.data["url"] ==
	"https://peertube.moe/videos/watch/df5f464b-be8d-46fb-ad81-2d4c2d1630e3"

	assert object.data["attachment"] == [attachment]
	end

	test "it accepts Flag activities" do
	user = insert(:user)
	other_user = insert(:user)

	{:ok, activity} = CommonAPI.post(user, %{"status" => "test post"})
	object = Object.normalize(activity.data["object"])

	message = %{
	"@context" => "https://www.w3.org/ns/activitystreams",
	"cc" => [user.ap_id],
	"object" => [user.ap_id, object.data["id"]],
	"type" => "Flag",
	"content" => "blocked AND reported!!!",
	"actor" => other_user.ap_id
	}

	assert {:ok, activity} = Transmogrifier.handle_incoming(message)

	assert activity.data["object"] == [user.ap_id, object.data["id"]]
	assert activity.data["content"] == "blocked AND reported!!!"
	assert activity.data["actor"] == other_user.ap_id
	assert activity.data["cc"] == [user.ap_id]
	end
	end

	describe "prepare outgoing" do
	test "it turns mentions into tags" do
	user = insert(:user)
	other_user = insert(:user)

	{:ok, activity} =
	CommonAPI.post(user, %{"status" => "hey, @#{other_user.nickname}, how are ya? #2hu"})

	{:ok, modified} = Transmogrifier.prepare_outgoing(activity.data)
	object = modified["object"]

	expected_mention = %{
	"href" => other_user.ap_id,
	"name" => "@#{other_user.nickname}",
	"type" => "Mention"
	}

	expected_tag = %{
	"href" => Pleroma.Web.Endpoint.url() <> "/tags/2hu",
	"type" => "Hashtag",
	"name" => "#2hu"
	}

	assert Enum.member?(object["tag"], expected_tag)
	assert Enum.member?(object["tag"], expected_mention)
	end

	test "it adds the sensitive property" do
	user = insert(:user)

	{:ok, activity} = CommonAPI.post(user, %{"status" => "#nsfw hey"})
	{:ok, modified} = Transmogrifier.prepare_outgoing(activity.data)

	assert modified["object"]["sensitive"]
	end

	test "it adds the json-ld context and the conversation property" do
	user = insert(:user)

	{:ok, activity} = CommonAPI.post(user, %{"status" => "hey"})
	{:ok, modified} = Transmogrifier.prepare_outgoing(activity.data)

	assert modified["@context"] ==
	Pleroma.Web.ActivityPub.Utils.make_json_ld_header()["@context"]

	assert modified["object"]["conversation"] == modified["context"]
	end

	test "it sets the 'attributedTo' property to the actor of the object if it doesn't have one" do
	user = insert(:user)

	{:ok, activity} = CommonAPI.post(user, %{"status" => "hey"})
	{:ok, modified} = Transmogrifier.prepare_outgoing(activity.data)

	assert modified["object"]["actor"] == modified["object"]["attributedTo"]
	end

	test "it translates ostatus IDs to external URLs" do
	incoming = File.read!("test/fixtures/incoming_note_activity.xml")
	{:ok, [referent_activity]} = OStatus.handle_incoming(incoming)

	user = insert(:user)

	{:ok, activity, _} = CommonAPI.favorite(referent_activity.id, user)
	{:ok, modified} = Transmogrifier.prepare_outgoing(activity.data)

	assert modified["object"] == "http://gs.example.org:4040/index.php/notice/29"
	end

	test "it translates ostatus reply_to IDs to external URLs" do
	incoming = File.read!("test/fixtures/incoming_note_activity.xml")
	{:ok, [referred_activity]} = OStatus.handle_incoming(incoming)

	user = insert(:user)

	{:ok, activity} =
	CommonAPI.post(user, %{"status" => "HI!", "in_reply_to_status_id" => referred_activity.id})

	{:ok, modified} = Transmogrifier.prepare_outgoing(activity.data)

	assert modified["object"]["inReplyTo"] == "http://gs.example.org:4040/index.php/notice/29"
	end

	test "it strips internal hashtag data" do
	user = insert(:user)

	{:ok, activity} = CommonAPI.post(user, %{"status" => "#2hu"})

	expected_tag = %{
	"href" => Pleroma.Web.Endpoint.url() <> "/tags/2hu",
	"type" => "Hashtag",
	"name" => "#2hu"
	}

	{:ok, modified} = Transmogrifier.prepare_outgoing(activity.data)

	assert modified["object"]["tag"] == [expected_tag]
	end

	test "it strips internal fields" do
	user = insert(:user)

	{:ok, activity} = CommonAPI.post(user, %{"status" => "#2hu :firefox:"})

	{:ok, modified} = Transmogrifier.prepare_outgoing(activity.data)

	assert length(modified["object"]["tag"]) == 2

	assert is_nil(modified["object"]["emoji"])
	assert is_nil(modified["object"]["like_count"])
	assert is_nil(modified["object"]["announcements"])
	assert is_nil(modified["object"]["announcement_count"])
	assert is_nil(modified["object"]["context_id"])
	end

	test "it strips internal fields of article" do
	activity = insert(:article_activity)

	{:ok, modified} = Transmogrifier.prepare_outgoing(activity.data)

	assert length(modified["object"]["tag"]) == 2

	assert is_nil(modified["object"]["emoji"])
	assert is_nil(modified["object"]["like_count"])
	assert is_nil(modified["object"]["announcements"])
	assert is_nil(modified["object"]["announcement_count"])
	assert is_nil(modified["object"]["context_id"])
	end

	test "it adds like collection to object" do
	activity = insert(:note_activity)
	{:ok, modified} = Transmogrifier.prepare_outgoing(activity.data)

	assert modified["object"]["likes"]["type"] == "OrderedCollection"
	assert modified["object"]["likes"]["totalItems"] == 0
	end

	test "the directMessage flag is present" do
	user = insert(:user)
	other_user = insert(:user)

	{:ok, activity} = CommonAPI.post(user, %{"status" => "2hu :moominmamma:"})

	{:ok, modified} = Transmogrifier.prepare_outgoing(activity.data)

	assert modified["directMessage"] == false

	{:ok, activity} =
	CommonAPI.post(user, %{"status" => "@#{other_user.nickname} :moominmamma:"})

	{:ok, modified} = Transmogrifier.prepare_outgoing(activity.data)

	assert modified["directMessage"] == false

	{:ok, activity} =
	CommonAPI.post(user, %{
	"status" => "@#{other_user.nickname} :moominmamma:",
	"visibility" => "direct"
	})

	{:ok, modified} = Transmogrifier.prepare_outgoing(activity.data)

	assert modified["directMessage"] == true
	end
	end

	describe "user upgrade" do
	test "it upgrades a user to activitypub" do
	user =
	insert(:user, %{
	nickname: "rye@niu.moe",
	local: false,
	ap_id: "https://niu.moe/users/rye",
	follower_address: User.ap_followers(%User{nickname: "rye@niu.moe"})
	})

	user_two = insert(:user, %{following: [user.follower_address]})

	{:ok, activity} = CommonAPI.post(user, %{"status" => "test"})
	{:ok, unrelated_activity} = CommonAPI.post(user_two, %{"status" => "test"})
	assert "http://localhost:4001/users/rye@niu.moe/followers" in activity.recipients

	user = User.get_cached_by_id(user.id)
	assert user.info.note_count == 1

	{:ok, user} = Transmogrifier.upgrade_user_from_ap_id("https://niu.moe/users/rye")
	assert user.info.ap_enabled
	assert user.info.note_count == 1
	assert user.follower_address == "https://niu.moe/users/rye/followers"

	user = User.get_cached_by_id(user.id)
	assert user.info.note_count == 1

	activity = Activity.get_by_id(activity.id)
	assert user.follower_address in activity.recipients

	assert %{
	"url" => [
	%{
	"href" =>
	"https://cdn.niu.moe/accounts/avatars/000/033/323/original/fd7f8ae0b3ffedc9.jpeg"
	}
	]
	} = user.avatar

	assert %{
	"url" => [
	%{
	"href" =>
	"https://cdn.niu.moe/accounts/headers/000/033/323/original/850b3448fa5fd477.png"
	}
	]
	} = user.info.banner

	refute "..." in activity.recipients

	unrelated_activity = Activity.get_by_id(unrelated_activity.id)
	refute user.follower_address in unrelated_activity.recipients

	user_two = User.get_cached_by_id(user_two.id)
	assert user.follower_address in user_two.following
	refute "..." in user_two.following
	end
	end

	describe "maybe_retire_websub" do
	test "it deletes all websub client subscripitions with the user as topic" do
	subscription = %WebsubClientSubscription{topic: "https://niu.moe/users/rye.atom"}
	{:ok, ws} = Repo.insert(subscription)

	subscription = %WebsubClientSubscription{topic: "https://niu.moe/users/pasty.atom"}
	{:ok, ws2} = Repo.insert(subscription)

	Transmogrifier.maybe_retire_websub("https://niu.moe/users/rye")

	refute Repo.get(WebsubClientSubscription, ws.id)
	assert Repo.get(WebsubClientSubscription, ws2.id)
	end
	end

	describe "actor rewriting" do
	test "it fixes the actor URL property to be a proper URI" do
	data = %{
	"url" => %{"href" => "http://example.com"}
	}

	rewritten = Transmogrifier.maybe_fix_user_object(data)
	assert rewritten["url"] == "http://example.com"
	end
	end

	describe "actor origin containment" do
	test "it rejects activities which reference objects with bogus origins" do
	data = %{
	"@context" => "https://www.w3.org/ns/activitystreams",
	"id" => "http://mastodon.example.org/users/admin/activities/1234",
	"actor" => "http://mastodon.example.org/users/admin",
	"to" => ["https://www.w3.org/ns/activitystreams#Public"],
	"object" => "https://info.pleroma.site/activity.json",
	"type" => "Announce"
	}

	:error = Transmogrifier.handle_incoming(data)
	end

	test "it rejects activities which reference objects that have an incorrect attribution (variant 1)" do
	data = %{
	"@context" => "https://www.w3.org/ns/activitystreams",
	"id" => "http://mastodon.example.org/users/admin/activities/1234",
	"actor" => "http://mastodon.example.org/users/admin",
	"to" => ["https://www.w3.org/ns/activitystreams#Public"],
	"object" => "https://info.pleroma.site/activity2.json",
	"type" => "Announce"
	}

	:error = Transmogrifier.handle_incoming(data)
	end

	test "it rejects activities which reference objects that have an incorrect attribution (variant 2)" do
	data = %{
	"@context" => "https://www.w3.org/ns/activitystreams",
	"id" => "http://mastodon.example.org/users/admin/activities/1234",
	"actor" => "http://mastodon.example.org/users/admin",
	"to" => ["https://www.w3.org/ns/activitystreams#Public"],
	"object" => "https://info.pleroma.site/activity3.json",
	"type" => "Announce"
	}

	:error = Transmogrifier.handle_incoming(data)
	end
	end

	describe "reserialization" do
	test "successfully reserializes a message with inReplyTo == nil" do
	user = insert(:user)

	message = %{
	"@context" => "https://www.w3.org/ns/activitystreams",
	"to" => ["https://www.w3.org/ns/activitystreams#Public"],
	"cc" => [],
	"type" => "Create",
	"object" => %{
	"to" => ["https://www.w3.org/ns/activitystreams#Public"],
	"cc" => [],
	"type" => "Note",
	"content" => "Hi",
	"inReplyTo" => nil,
	"attributedTo" => user.ap_id
	},
	"actor" => user.ap_id
	}

	{:ok, activity} = Transmogrifier.handle_incoming(message)

	{:ok, _} = Transmogrifier.prepare_outgoing(activity.data)
	end

	test "successfully reserializes a message with AS2 objects in IR" do
	user = insert(:user)

	message = %{
	"@context" => "https://www.w3.org/ns/activitystreams",
	"to" => ["https://www.w3.org/ns/activitystreams#Public"],
	"cc" => [],
	"type" => "Create",
	"object" => %{
	"to" => ["https://www.w3.org/ns/activitystreams#Public"],
	"cc" => [],
	"type" => "Note",
	"content" => "Hi",
	"inReplyTo" => nil,
	"attributedTo" => user.ap_id,
	"tag" => [
	%{"name" => "#2hu", "href" => "http://example.com/2hu", "type" => "Hashtag"},
	%{"name" => "Bob", "href" => "http://example.com/bob", "type" => "Mention"}
	]
	},
	"actor" => user.ap_id
	}

	{:ok, activity} = Transmogrifier.handle_incoming(message)

	{:ok, _} = Transmogrifier.prepare_outgoing(activity.data)
	end
	end

	test "Rewrites Answers to Notes" do
	user = insert(:user)

	{:ok, poll_activity} =
	CommonAPI.post(user, %{
	"status" => "suya...",
	"poll" => %{"options" => ["suya", "suya.", "suya.."], "expires_in" => 10}
	})

	poll_object = Object.normalize(poll_activity)
	# TODO: Replace with CommonAPI vote creation when implemented
	data =
	File.read!("test/fixtures/mastodon-vote.json")
	\|> Poison.decode!()
	\|> Kernel.put_in(["to"], user.ap_id)
	\|> Kernel.put_in(["object", "inReplyTo"], poll_object.data["id"])
	\|> Kernel.put_in(["object", "to"], user.ap_id)

	{:ok, %Activity{local: false} = activity} = Transmogrifier.handle_incoming(data)
	{:ok, data} = Transmogrifier.prepare_outgoing(activity.data)

	assert data["object"]["type"] == "Note"
	end

	describe "fix_explicit_addressing" do
	setup do
	user = insert(:user)
	[user: user]
	end

	test "moves non-explicitly mentioned actors to cc", %{user: user} do
	explicitly_mentioned_actors = [
	"https://pleroma.gold/users/user1",
	"https://pleroma.gold/user2"
	]

	object = %{
	"actor" => user.ap_id,
	"to" => explicitly_mentioned_actors ++ ["https://social.beepboop.ga/users/dirb"],
	"cc" => [],
	"tag" =>
	Enum.map(explicitly_mentioned_actors, fn href ->
	%{"type" => "Mention", "href" => href}
	end)
	}

	fixed_object = Transmogrifier.fix_explicit_addressing(object)
	assert Enum.all?(explicitly_mentioned_actors, &(&1 in fixed_object["to"]))
	refute "https://social.beepboop.ga/users/dirb" in fixed_object["to"]
	assert "https://social.beepboop.ga/users/dirb" in fixed_object["cc"]
	end

	test "does not move actor's follower collection to cc", %{user: user} do
	object = %{
	"actor" => user.ap_id,
	"to" => [user.follower_address],
	"cc" => []
	}

	fixed_object = Transmogrifier.fix_explicit_addressing(object)
	assert user.follower_address in fixed_object["to"]
	refute user.follower_address in fixed_object["cc"]
	end

	test "removes recipient's follower collection from cc", %{user: user} do
	recipient = insert(:user)

	object = %{
	"actor" => user.ap_id,
	"to" => [recipient.ap_id, "https://www.w3.org/ns/activitystreams#Public"],
	"cc" => [user.follower_address, recipient.follower_address]
	}

	fixed_object = Transmogrifier.fix_explicit_addressing(object)

	assert user.follower_address in fixed_object["cc"]
	refute recipient.follower_address in fixed_object["cc"]
	refute recipient.follower_address in fixed_object["to"]
	end
	end
	end

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