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	diff --git a/lib/pleroma/web/activity_pub/activity_pub.ex b/lib/pleroma/web/activity_pub/activity_pub.ex
	index 3e4d0a2be..7cd3eab39 100644
	--- a/lib/pleroma/web/activity_pub/activity_pub.ex
	+++ b/lib/pleroma/web/activity_pub/activity_pub.ex
	@@ -1,1468 +1,1446 @@
	# Pleroma: A lightweight social networking server
	# Copyright © 2017-2020 Pleroma Authors <https://pleroma.social/>
	# SPDX-License-Identifier: AGPL-3.0-only

	defmodule Pleroma.Web.ActivityPub.ActivityPub do
	alias Pleroma.Activity
	alias Pleroma.Activity.Ir.Topics
	alias Pleroma.ActivityExpiration
	alias Pleroma.Config
	alias Pleroma.Constants
	alias Pleroma.Conversation
	alias Pleroma.Conversation.Participation
	alias Pleroma.Maps
	alias Pleroma.Notification
	alias Pleroma.Object
	alias Pleroma.Object.Containment
	alias Pleroma.Object.Fetcher
	alias Pleroma.Pagination
	alias Pleroma.Repo
	alias Pleroma.Upload
	alias Pleroma.User
	alias Pleroma.Web.ActivityPub.MRF
	alias Pleroma.Web.ActivityPub.Transmogrifier
	alias Pleroma.Web.Streamer
	alias Pleroma.Web.WebFinger
	alias Pleroma.Workers.BackgroundWorker

	import Ecto.Query
	import Pleroma.Web.ActivityPub.Utils
	import Pleroma.Web.ActivityPub.Visibility

	require Logger
	require Pleroma.Constants

	defp get_recipients(%{"type" => "Create"} = data) do
	to = Map.get(data, "to", [])
	cc = Map.get(data, "cc", [])
	bcc = Map.get(data, "bcc", [])
	actor = Map.get(data, "actor", [])
	recipients = [to, cc, bcc, [actor]] \|> Enum.concat() \|> Enum.uniq()
	{recipients, to, cc}
	end

	defp get_recipients(data) do
	to = Map.get(data, "to", [])
	cc = Map.get(data, "cc", [])
	bcc = Map.get(data, "bcc", [])
	recipients = Enum.concat([to, cc, bcc])
	{recipients, to, cc}
	end

	defp check_actor_is_active(nil), do: true

	defp check_actor_is_active(actor) when is_binary(actor) do
	case User.get_cached_by_ap_id(actor) do
	%User{deactivated: deactivated} -> not deactivated
	_ -> false
	end
	end

	defp check_remote_limit(%{"object" => %{"content" => content}}) when not is_nil(content) do
	limit = Config.get([:instance, :remote_limit])
	String.length(content) <= limit
	end

	defp check_remote_limit(_), do: true

	defp increase_note_count_if_public(actor, object) do
	if is_public?(object), do: User.increase_note_count(actor), else: {:ok, actor}
	end

	def decrease_note_count_if_public(actor, object) do
	if is_public?(object), do: User.decrease_note_count(actor), else: {:ok, actor}
	end

	defp increase_replies_count_if_reply(%{
	"object" => %{"inReplyTo" => reply_ap_id} = object,
	"type" => "Create"
	}) do
	if is_public?(object) do
	Object.increase_replies_count(reply_ap_id)
	end
	end

	defp increase_replies_count_if_reply(_create_data), do: :noop

	defp increase_poll_votes_if_vote(%{
	"object" => %{"inReplyTo" => reply_ap_id, "name" => name},
	"type" => "Create",
	"actor" => actor
	}) do
	Object.increase_vote_count(reply_ap_id, name, actor)
	end

	defp increase_poll_votes_if_vote(_create_data), do: :noop

	@object_types ["ChatMessage"]
	@spec persist(map(), keyword()) :: {:ok, Activity.t() \| Object.t()}
	def persist(%{"type" => type} = object, meta) when type in @object_types do
	with {:ok, object} <- Object.create(object) do
	{:ok, object, meta}
	end
	end

	def persist(object, meta) do
	with local <- Keyword.fetch!(meta, :local),
	{recipients, _, _} <- get_recipients(object),
	{:ok, activity} <-
	Repo.insert(%Activity{
	data: object,
	local: local,
	recipients: recipients,
	actor: object["actor"]
	}) do
	{:ok, activity, meta}
	end
	end

	@spec insert(map(), boolean(), boolean(), boolean()) :: {:ok, Activity.t()} \| {:error, any()}
	def insert(map, local \\ true, fake \\ false, bypass_actor_check \\ false) when is_map(map) do
	with nil <- Activity.normalize(map),
	map <- lazy_put_activity_defaults(map, fake),
	true <- bypass_actor_check \|\| check_actor_is_active(map["actor"]),
	{_, true} <- {:remote_limit_error, check_remote_limit(map)},
	{:ok, map} <- MRF.filter(map),
	{recipients, _, _} = get_recipients(map),
	{:fake, false, map, recipients} <- {:fake, fake, map, recipients},
	{:containment, :ok} <- {:containment, Containment.contain_child(map)},
	{:ok, map, object} <- insert_full_object(map) do
	{:ok, activity} =
	%Activity{
	data: map,
	local: local,
	actor: map["actor"],
	recipients: recipients
	}
	\|> Repo.insert()
	\|> maybe_create_activity_expiration()

	# Splice in the child object if we have one.
	activity = Maps.put_if_present(activity, :object, object)

	BackgroundWorker.enqueue("fetch_data_for_activity", %{"activity_id" => activity.id})

	{:ok, activity}
	else
	%Activity{} = activity ->
	{:ok, activity}

	{:fake, true, map, recipients} ->
	activity = %Activity{
	data: map,
	local: local,
	actor: map["actor"],
	recipients: recipients,
	id: "pleroma:fakeid"
	}

	Pleroma.Web.RichMedia.Helpers.fetch_data_for_activity(activity)
	{:ok, activity}

	error ->
	{:error, error}
	end
	end

	def notify_and_stream(activity) do
	Notification.create_notifications(activity)

	conversation = create_or_bump_conversation(activity, activity.actor)
	participations = get_participations(conversation)
	stream_out(activity)
	stream_out_participations(participations)
	end

	defp maybe_create_activity_expiration({:ok, %{data: %{"expires_at" => expires_at}} = activity}) do
	with {:ok, _} <- ActivityExpiration.create(activity, expires_at) do
	{:ok, activity}
	end
	end

	defp maybe_create_activity_expiration(result), do: result

	defp create_or_bump_conversation(activity, actor) do
	with {:ok, conversation} <- Conversation.create_or_bump_for(activity),
	%User{} = user <- User.get_cached_by_ap_id(actor) do
	Participation.mark_as_read(user, conversation)
	{:ok, conversation}
	end
	end

	defp get_participations({:ok, conversation}) do
	conversation
	\|> Repo.preload(:participations, force: true)
	\|> Map.get(:participations)
	end

	defp get_participations(_), do: []

	def stream_out_participations(participations) do
	participations =
	participations
	\|> Repo.preload(:user)

	Streamer.stream("participation", participations)
	end

	def stream_out_participations(%Object{data: %{"context" => context}}, user) do
	with %Conversation{} = conversation <- Conversation.get_for_ap_id(context) do
	conversation = Repo.preload(conversation, :participations)

	last_activity_id =
	fetch_latest_direct_activity_id_for_context(conversation.ap_id, %{
	user: user,
	blocking_user: user
	})

	if last_activity_id do
	stream_out_participations(conversation.participations)
	end
	end
	end

	def stream_out_participations(_, _), do: :noop

	def stream_out(%Activity{data: %{"type" => data_type}} = activity)
	when data_type in ["Create", "Announce", "Delete"] do
	activity
	\|> Topics.get_activity_topics()
	\|> Streamer.stream(activity)
	end

	def stream_out(_activity) do
	:noop
	end

	@spec create(map(), boolean()) :: {:ok, Activity.t()} \| {:error, any()}
	def create(params, fake \\ false) do
	with {:ok, result} <- Repo.transaction(fn -> do_create(params, fake) end) do
	result
	end
	end

	defp do_create(%{to: to, actor: actor, context: context, object: object} = params, fake) do
	additional = params[:additional] \|\| %{}
	# only accept false as false value
	local = !(params[:local] == false)
	published = params[:published]
	quick_insert? = Config.get([:env]) == :benchmark

	create_data =
	make_create_data(
	%{to: to, actor: actor, published: published, context: context, object: object},
	additional
	)

	with {:ok, activity} <- insert(create_data, local, fake),
	{:fake, false, activity} <- {:fake, fake, activity},
	_ <- increase_replies_count_if_reply(create_data),
	_ <- increase_poll_votes_if_vote(create_data),
	{:quick_insert, false, activity} <- {:quick_insert, quick_insert?, activity},
	{:ok, _actor} <- increase_note_count_if_public(actor, activity),
	_ <- notify_and_stream(activity),
	:ok <- maybe_federate(activity) do
	{:ok, activity}
	else
	{:quick_insert, true, activity} ->
	{:ok, activity}

	{:fake, true, activity} ->
	{:ok, activity}

	{:error, message} ->
	Repo.rollback(message)
	end
	end

	@spec listen(map()) :: {:ok, Activity.t()} \| {:error, any()}
	def listen(%{to: to, actor: actor, context: context, object: object} = params) do
	additional = params[:additional] \|\| %{}
	# only accept false as false value
	local = !(params[:local] == false)
	published = params[:published]

	listen_data =
	make_listen_data(
	%{to: to, actor: actor, published: published, context: context, object: object},
	additional
	)

	with {:ok, activity} <- insert(listen_data, local),
	_ <- notify_and_stream(activity),
	:ok <- maybe_federate(activity) do
	{:ok, activity}
	end
	end

	@spec accept(map()) :: {:ok, Activity.t()} \| {:error, any()}
	def accept(params) do
	accept_or_reject("Accept", params)
	end

	@spec reject(map()) :: {:ok, Activity.t()} \| {:error, any()}
	def reject(params) do
	accept_or_reject("Reject", params)
	end

	@spec accept_or_reject(String.t(), map()) :: {:ok, Activity.t()} \| {:error, any()}
	defp accept_or_reject(type, %{to: to, actor: actor, object: object} = params) do
	local = Map.get(params, :local, true)
	activity_id = Map.get(params, :activity_id, nil)

	data =
	%{"to" => to, "type" => type, "actor" => actor.ap_id, "object" => object}
	\|> Maps.put_if_present("id", activity_id)

	with {:ok, activity} <- insert(data, local),
	_ <- notify_and_stream(activity),
	:ok <- maybe_federate(activity) do
	{:ok, activity}
	end
	end

	- @spec update(map()) :: {:ok, Activity.t()} \| {:error, any()}
	- def update(%{to: to, cc: cc, actor: actor, object: object} = params) do
	- local = !(params[:local] == false)
	- activity_id = params[:activity_id]
	-
	- data =
	- %{
	- "to" => to,
	- "cc" => cc,
	- "type" => "Update",
	- "actor" => actor,
	- "object" => object
	- }
	- \|> Maps.put_if_present("id", activity_id)
	-
	- with {:ok, activity} <- insert(data, local),
	- _ <- notify_and_stream(activity),
	- :ok <- maybe_federate(activity) do
	- {:ok, activity}
	- end
	- end
	-
	@spec follow(User.t(), User.t(), String.t() \| nil, boolean(), keyword()) ::
	{:ok, Activity.t()} \| {:error, any()}
	def follow(follower, followed, activity_id \\ nil, local \\ true, opts \\ []) do
	with {:ok, result} <-
	Repo.transaction(fn -> do_follow(follower, followed, activity_id, local, opts) end) do
	result
	end
	end

	defp do_follow(follower, followed, activity_id, local, opts) do
	skip_notify_and_stream = Keyword.get(opts, :skip_notify_and_stream, false)
	data = make_follow_data(follower, followed, activity_id)

	with {:ok, activity} <- insert(data, local),
	_ <- skip_notify_and_stream \|\| notify_and_stream(activity),
	:ok <- maybe_federate(activity) do
	{:ok, activity}
	else
	{:error, error} -> Repo.rollback(error)
	end
	end

	@spec unfollow(User.t(), User.t(), String.t() \| nil, boolean()) ::
	{:ok, Activity.t()} \| nil \| {:error, any()}
	def unfollow(follower, followed, activity_id \\ nil, local \\ true) do
	with {:ok, result} <-
	Repo.transaction(fn -> do_unfollow(follower, followed, activity_id, local) end) do
	result
	end
	end

	defp do_unfollow(follower, followed, activity_id, local) do
	with %Activity{} = follow_activity <- fetch_latest_follow(follower, followed),
	{:ok, follow_activity} <- update_follow_state(follow_activity, "cancelled"),
	unfollow_data <- make_unfollow_data(follower, followed, follow_activity, activity_id),
	{:ok, activity} <- insert(unfollow_data, local),
	_ <- notify_and_stream(activity),
	:ok <- maybe_federate(activity) do
	{:ok, activity}
	else
	nil -> nil
	{:error, error} -> Repo.rollback(error)
	end
	end

	@spec block(User.t(), User.t(), String.t() \| nil, boolean()) ::
	{:ok, Activity.t()} \| {:error, any()}
	def block(blocker, blocked, activity_id \\ nil, local \\ true) do
	with {:ok, result} <-
	Repo.transaction(fn -> do_block(blocker, blocked, activity_id, local) end) do
	result
	end
	end

	defp do_block(blocker, blocked, activity_id, local) do
	unfollow_blocked = Config.get([:activitypub, :unfollow_blocked])

	if unfollow_blocked and fetch_latest_follow(blocker, blocked) do
	unfollow(blocker, blocked, nil, local)
	end

	block_data = make_block_data(blocker, blocked, activity_id)

	with {:ok, activity} <- insert(block_data, local),
	_ <- notify_and_stream(activity),
	:ok <- maybe_federate(activity) do
	{:ok, activity}
	else
	{:error, error} -> Repo.rollback(error)
	end
	end

	@spec flag(map()) :: {:ok, Activity.t()} \| {:error, any()}
	def flag(
	%{
	actor: actor,
	context: _context,
	account: account,
	statuses: statuses,
	content: content
	} = params
	) do
	# only accept false as false value
	local = !(params[:local] == false)
	forward = !(params[:forward] == false)

	additional = params[:additional] \|\| %{}

	additional =
	if forward do
	Map.merge(additional, %{"to" => [], "cc" => [account.ap_id]})
	else
	Map.merge(additional, %{"to" => [], "cc" => []})
	end

	with flag_data <- make_flag_data(params, additional),
	{:ok, activity} <- insert(flag_data, local),
	{:ok, stripped_activity} <- strip_report_status_data(activity),
	_ <- notify_and_stream(activity),
	:ok <- maybe_federate(stripped_activity) do
	User.all_superusers()
	\|> Enum.filter(fn user -> not is_nil(user.email) end)
	\|> Enum.each(fn superuser ->
	superuser
	\|> Pleroma.Emails.AdminEmail.report(actor, account, statuses, content)
	\|> Pleroma.Emails.Mailer.deliver_async()
	end)

	{:ok, activity}
	end
	end

	@spec move(User.t(), User.t(), boolean()) :: {:ok, Activity.t()} \| {:error, any()}
	def move(%User{} = origin, %User{} = target, local \\ true) do
	params = %{
	"type" => "Move",
	"actor" => origin.ap_id,
	"object" => origin.ap_id,
	"target" => target.ap_id
	}

	with true <- origin.ap_id in target.also_known_as,
	{:ok, activity} <- insert(params, local),
	_ <- notify_and_stream(activity) do
	maybe_federate(activity)

	BackgroundWorker.enqueue("move_following", %{
	"origin_id" => origin.id,
	"target_id" => target.id
	})

	{:ok, activity}
	else
	false -> {:error, "Target account must have the origin in `alsoKnownAs`"}
	err -> err
	end
	end

	def fetch_activities_for_context_query(context, opts) do
	public = [Constants.as_public()]

	recipients =
	if opts[:user],
	do: [opts[:user].ap_id \| User.following(opts[:user])] ++ public,
	else: public

	from(activity in Activity)
	\|> maybe_preload_objects(opts)
	\|> maybe_preload_bookmarks(opts)
	\|> maybe_set_thread_muted_field(opts)
	\|> restrict_blocked(opts)
	\|> restrict_recipients(recipients, opts[:user])
	\|> where(
	[activity],
	fragment(
	"?->>'type' = ? and ?->>'context' = ?",
	activity.data,
	"Create",
	activity.data,
	^context
	)
	)
	\|> exclude_poll_votes(opts)
	\|> exclude_id(opts)
	\|> order_by([activity], desc: activity.id)
	end

	@spec fetch_activities_for_context(String.t(), keyword() \| map()) :: [Activity.t()]
	def fetch_activities_for_context(context, opts \\ %{}) do
	context
	\|> fetch_activities_for_context_query(opts)
	\|> Repo.all()
	end

	@spec fetch_latest_direct_activity_id_for_context(String.t(), keyword() \| map()) ::
	FlakeId.Ecto.CompatType.t() \| nil
	def fetch_latest_direct_activity_id_for_context(context, opts \\ %{}) do
	context
	\|> fetch_activities_for_context_query(Map.merge(%{skip_preload: true}, opts))
	\|> restrict_visibility(%{visibility: "direct"})
	\|> limit(1)
	\|> select([a], a.id)
	\|> Repo.one()
	end

	@spec fetch_public_or_unlisted_activities(map(), Pagination.type()) :: [Activity.t()]
	def fetch_public_or_unlisted_activities(opts \\ %{}, pagination \\ :keyset) do
	opts = Map.delete(opts, :user)

	[Constants.as_public()]
	\|> fetch_activities_query(opts)
	\|> restrict_unlisted(opts)
	\|> Pagination.fetch_paginated(opts, pagination)
	end

	@spec fetch_public_activities(map(), Pagination.type()) :: [Activity.t()]
	def fetch_public_activities(opts \\ %{}, pagination \\ :keyset) do
	opts
	\|> Map.put(:restrict_unlisted, true)
	\|> fetch_public_or_unlisted_activities(pagination)
	end

	@valid_visibilities ~w[direct unlisted public private]

	defp restrict_visibility(query, %{visibility: visibility})
	when is_list(visibility) do
	if Enum.all?(visibility, &(&1 in @valid_visibilities)) do
	from(
	a in query,
	where:
	fragment(
	"activity_visibility(?, ?, ?) = ANY (?)",
	a.actor,
	a.recipients,
	a.data,
	^visibility
	)
	)
	else
	Logger.error("Could not restrict visibility to #{visibility}")
	end
	end

	defp restrict_visibility(query, %{visibility: visibility})
	when visibility in @valid_visibilities do
	from(
	a in query,
	where:
	fragment("activity_visibility(?, ?, ?) = ?", a.actor, a.recipients, a.data, ^visibility)
	)
	end

	defp restrict_visibility(_query, %{visibility: visibility})
	when visibility not in @valid_visibilities do
	Logger.error("Could not restrict visibility to #{visibility}")
	end

	defp restrict_visibility(query, _visibility), do: query

	defp exclude_visibility(query, %{exclude_visibilities: visibility})
	when is_list(visibility) do
	if Enum.all?(visibility, &(&1 in @valid_visibilities)) do
	from(
	a in query,
	where:
	not fragment(
	"activity_visibility(?, ?, ?) = ANY (?)",
	a.actor,
	a.recipients,
	a.data,
	^visibility
	)
	)
	else
	Logger.error("Could not exclude visibility to #{visibility}")
	query
	end
	end

	defp exclude_visibility(query, %{exclude_visibilities: visibility})
	when visibility in @valid_visibilities do
	from(
	a in query,
	where:
	not fragment(
	"activity_visibility(?, ?, ?) = ?",
	a.actor,
	a.recipients,
	a.data,
	^visibility
	)
	)
	end

	defp exclude_visibility(query, %{exclude_visibilities: visibility})
	when visibility not in [nil \| @valid_visibilities] do
	Logger.error("Could not exclude visibility to #{visibility}")
	query
	end

	defp exclude_visibility(query, _visibility), do: query

	defp restrict_thread_visibility(query, _, %{skip_thread_containment: true} = _),
	do: query

	defp restrict_thread_visibility(query, %{user: %User{skip_thread_containment: true}}, _),
	do: query

	defp restrict_thread_visibility(query, %{user: %User{ap_id: ap_id}}, _) do
	from(
	a in query,
	where: fragment("thread_visibility(?, (?)->>'id') = true", ^ap_id, a.data)
	)
	end

	defp restrict_thread_visibility(query, _, _), do: query

	def fetch_user_abstract_activities(user, reading_user, params \\ %{}) do
	params =
	params
	\|> Map.put(:user, reading_user)
	\|> Map.put(:actor_id, user.ap_id)

	%{
	godmode: params[:godmode],
	reading_user: reading_user
	}
	\|> user_activities_recipients()
	\|> fetch_activities(params)
	\|> Enum.reverse()
	end

	def fetch_user_activities(user, reading_user, params \\ %{}) do
	params =
	params
	\|> Map.put(:type, ["Create", "Announce"])
	\|> Map.put(:user, reading_user)
	\|> Map.put(:actor_id, user.ap_id)
	\|> Map.put(:pinned_activity_ids, user.pinned_activities)

	params =
	if User.blocks?(reading_user, user) do
	params
	else
	params
	\|> Map.put(:blocking_user, reading_user)
	\|> Map.put(:muting_user, reading_user)
	end

	%{
	godmode: params[:godmode],
	reading_user: reading_user
	}
	\|> user_activities_recipients()
	\|> fetch_activities(params)
	\|> Enum.reverse()
	end

	def fetch_statuses(reading_user, params) do
	params = Map.put(params, :type, ["Create", "Announce"])

	%{
	godmode: params[:godmode],
	reading_user: reading_user
	}
	\|> user_activities_recipients()
	\|> fetch_activities(params, :offset)
	\|> Enum.reverse()
	end

	defp user_activities_recipients(%{godmode: true}), do: []

	defp user_activities_recipients(%{reading_user: reading_user}) do
	if reading_user do
	[Constants.as_public(), reading_user.ap_id \| User.following(reading_user)]
	else
	[Constants.as_public()]
	end
	end

	defp restrict_announce_object_actor(_query, %{announce_filtering_user: _, skip_preload: true}) do
	raise "Can't use the child object without preloading!"
	end

	defp restrict_announce_object_actor(query, %{announce_filtering_user: %{ap_id: actor}}) do
	from(
	[activity, object] in query,
	where:
	fragment(
	"?->>'type' != ? or ?->>'actor' != ?",
	activity.data,
	"Announce",
	object.data,
	^actor
	)
	)
	end

	defp restrict_announce_object_actor(query, _), do: query

	defp restrict_since(query, %{since_id: ""}), do: query

	defp restrict_since(query, %{since_id: since_id}) do
	from(activity in query, where: activity.id > ^since_id)
	end

	defp restrict_since(query, _), do: query

	defp restrict_tag_reject(_query, %{tag_reject: _tag_reject, skip_preload: true}) do
	raise "Can't use the child object without preloading!"
	end

	defp restrict_tag_reject(query, %{tag_reject: [_ \| _] = tag_reject}) do
	from(
	[_activity, object] in query,
	where: fragment("not (?)->'tag' \\?\| (?)", object.data, ^tag_reject)
	)
	end

	defp restrict_tag_reject(query, _), do: query

	defp restrict_tag_all(_query, %{tag_all: _tag_all, skip_preload: true}) do
	raise "Can't use the child object without preloading!"
	end

	defp restrict_tag_all(query, %{tag_all: [_ \| _] = tag_all}) do
	from(
	[_activity, object] in query,
	where: fragment("(?)->'tag' \\?& (?)", object.data, ^tag_all)
	)
	end

	defp restrict_tag_all(query, _), do: query

	defp restrict_tag(_query, %{tag: _tag, skip_preload: true}) do
	raise "Can't use the child object without preloading!"
	end

	defp restrict_tag(query, %{tag: tag}) when is_list(tag) do
	from(
	[_activity, object] in query,
	where: fragment("(?)->'tag' \\?\| (?)", object.data, ^tag)
	)
	end

	defp restrict_tag(query, %{tag: tag}) when is_binary(tag) do
	from(
	[_activity, object] in query,
	where: fragment("(?)->'tag' \\? (?)", object.data, ^tag)
	)
	end

	defp restrict_tag(query, _), do: query

	defp restrict_recipients(query, [], _user), do: query

	defp restrict_recipients(query, recipients, nil) do
	from(activity in query, where: fragment("? && ?", ^recipients, activity.recipients))
	end

	defp restrict_recipients(query, recipients, user) do
	from(
	activity in query,
	where: fragment("? && ?", ^recipients, activity.recipients),
	or_where: activity.actor == ^user.ap_id
	)
	end

	defp restrict_local(query, %{local_only: true}) do
	from(activity in query, where: activity.local == true)
	end

	defp restrict_local(query, _), do: query

	defp restrict_actor(query, %{actor_id: actor_id}) do
	from(activity in query, where: activity.actor == ^actor_id)
	end

	defp restrict_actor(query, _), do: query

	defp restrict_type(query, %{type: type}) when is_binary(type) do
	from(activity in query, where: fragment("?->>'type' = ?", activity.data, ^type))
	end

	defp restrict_type(query, %{type: type}) do
	from(activity in query, where: fragment("?->>'type' = ANY(?)", activity.data, ^type))
	end

	defp restrict_type(query, _), do: query

	defp restrict_state(query, %{state: state}) do
	from(activity in query, where: fragment("?->>'state' = ?", activity.data, ^state))
	end

	defp restrict_state(query, _), do: query

	defp restrict_favorited_by(query, %{favorited_by: ap_id}) do
	from(
	[_activity, object] in query,
	where: fragment("(?)->'likes' \\? (?)", object.data, ^ap_id)
	)
	end

	defp restrict_favorited_by(query, _), do: query

	defp restrict_media(_query, %{only_media: _val, skip_preload: true}) do
	raise "Can't use the child object without preloading!"
	end

	defp restrict_media(query, %{only_media: true}) do
	from(
	[activity, object] in query,
	where: fragment("(?)->>'type' = ?", activity.data, "Create"),
	where: fragment("not (?)->'attachment' = (?)", object.data, ^[])
	)
	end

	defp restrict_media(query, _), do: query

	defp restrict_replies(query, %{exclude_replies: true}) do
	from(
	[_activity, object] in query,
	where: fragment("?->>'inReplyTo' is null", object.data)
	)
	end

	defp restrict_replies(query, %{
	reply_filtering_user: user,
	reply_visibility: "self"
	}) do
	from(
	[activity, object] in query,
	where:
	fragment(
	"?->>'inReplyTo' is null OR ? = ANY(?)",
	object.data,
	^user.ap_id,
	activity.recipients
	)
	)
	end

	defp restrict_replies(query, %{
	reply_filtering_user: user,
	reply_visibility: "following"
	}) do
	from(
	[activity, object] in query,
	where:
	fragment(
	"?->>'inReplyTo' is null OR ? && array_remove(?, ?) OR ? = ?",
	object.data,
	^[user.ap_id \| User.get_cached_user_friends_ap_ids(user)],
	activity.recipients,
	activity.actor,
	activity.actor,
	^user.ap_id
	)
	)
	end

	defp restrict_replies(query, _), do: query

	defp restrict_reblogs(query, %{exclude_reblogs: true}) do
	from(activity in query, where: fragment("?->>'type' != 'Announce'", activity.data))
	end

	defp restrict_reblogs(query, _), do: query

	defp restrict_muted(query, %{with_muted: true}), do: query

	defp restrict_muted(query, %{muting_user: %User{} = user} = opts) do
	mutes = opts[:muted_users_ap_ids] \|\| User.muted_users_ap_ids(user)

	query =
	from([activity] in query,
	where: fragment("not (? = ANY(?))", activity.actor, ^mutes),
	where: fragment("not (?->'to' \\?\| ?)", activity.data, ^mutes)
	)

	unless opts[:skip_preload] do
	from([thread_mute: tm] in query, where: is_nil(tm.user_id))
	else
	query
	end
	end

	defp restrict_muted(query, _), do: query

	defp restrict_blocked(query, %{blocking_user: %User{} = user} = opts) do
	blocked_ap_ids = opts[:blocked_users_ap_ids] \|\| User.blocked_users_ap_ids(user)
	domain_blocks = user.domain_blocks \|\| []

	following_ap_ids = User.get_friends_ap_ids(user)

	query =
	if has_named_binding?(query, :object), do: query, else: Activity.with_joined_object(query)

	from(
	[activity, object: o] in query,
	where: fragment("not (? = ANY(?))", activity.actor, ^blocked_ap_ids),
	where: fragment("not (? && ?)", activity.recipients, ^blocked_ap_ids),
	where:
	fragment(
	"recipients_contain_blocked_domains(?, ?) = false",
	activity.recipients,
	^domain_blocks
	),
	where:
	fragment(
	"not (?->>'type' = 'Announce' and ?->'to' \\?\| ?)",
	activity.data,
	activity.data,
	^blocked_ap_ids
	),
	where:
	fragment(
	"(not (split_part(?, '/', 3) = ANY(?))) or ? = ANY(?)",
	activity.actor,
	^domain_blocks,
	activity.actor,
	^following_ap_ids
	),
	where:
	fragment(
	"(not (split_part(?->>'actor', '/', 3) = ANY(?))) or (?->>'actor') = ANY(?)",
	o.data,
	^domain_blocks,
	o.data,
	^following_ap_ids
	)
	)
	end

	defp restrict_blocked(query, _), do: query

	defp restrict_unlisted(query, %{restrict_unlisted: true}) do
	from(
	activity in query,
	where:
	fragment(
	"not (coalesce(?->'cc', '{}'::jsonb) \\?\| ?)",
	activity.data,
	^[Constants.as_public()]
	)
	)
	end

	defp restrict_unlisted(query, _), do: query

	defp restrict_pinned(query, %{pinned: true, pinned_activity_ids: ids}) do
	from(activity in query, where: activity.id in ^ids)
	end

	defp restrict_pinned(query, _), do: query

	defp restrict_muted_reblogs(query, %{muting_user: %User{} = user} = opts) do
	muted_reblogs = opts[:reblog_muted_users_ap_ids] \|\| User.reblog_muted_users_ap_ids(user)

	from(
	activity in query,
	where:
	fragment(
	"not ( ?->>'type' = 'Announce' and ? = ANY(?))",
	activity.data,
	activity.actor,
	^muted_reblogs
	)
	)
	end

	defp restrict_muted_reblogs(query, _), do: query

	defp restrict_instance(query, %{instance: instance}) do
	users =
	from(
	u in User,
	select: u.ap_id,
	where: fragment("? LIKE ?", u.nickname, ^"%@#{instance}")
	)
	\|> Repo.all()

	from(activity in query, where: activity.actor in ^users)
	end

	defp restrict_instance(query, _), do: query

	defp exclude_poll_votes(query, %{include_poll_votes: true}), do: query

	defp exclude_poll_votes(query, _) do
	if has_named_binding?(query, :object) do
	from([activity, object: o] in query,
	where: fragment("not(?->>'type' = ?)", o.data, "Answer")
	)
	else
	query
	end
	end

	defp exclude_chat_messages(query, %{include_chat_messages: true}), do: query

	defp exclude_chat_messages(query, _) do
	if has_named_binding?(query, :object) do
	from([activity, object: o] in query,
	where: fragment("not(?->>'type' = ?)", o.data, "ChatMessage")
	)
	else
	query
	end
	end

	defp exclude_invisible_actors(query, %{invisible_actors: true}), do: query

	defp exclude_invisible_actors(query, _opts) do
	invisible_ap_ids =
	User.Query.build(%{invisible: true, select: [:ap_id]})
	\|> Repo.all()
	\|> Enum.map(fn %{ap_id: ap_id} -> ap_id end)

	from([activity] in query, where: activity.actor not in ^invisible_ap_ids)
	end

	defp exclude_id(query, %{exclude_id: id}) when is_binary(id) do
	from(activity in query, where: activity.id != ^id)
	end

	defp exclude_id(query, _), do: query

	defp maybe_preload_objects(query, %{skip_preload: true}), do: query

	defp maybe_preload_objects(query, _) do
	query
	\|> Activity.with_preloaded_object()
	end

	defp maybe_preload_bookmarks(query, %{skip_preload: true}), do: query

	defp maybe_preload_bookmarks(query, opts) do
	query
	\|> Activity.with_preloaded_bookmark(opts[:user])
	end

	defp maybe_preload_report_notes(query, %{preload_report_notes: true}) do
	query
	\|> Activity.with_preloaded_report_notes()
	end

	defp maybe_preload_report_notes(query, _), do: query

	defp maybe_set_thread_muted_field(query, %{skip_preload: true}), do: query

	defp maybe_set_thread_muted_field(query, opts) do
	query
	\|> Activity.with_set_thread_muted_field(opts[:muting_user] \|\| opts[:user])
	end

	defp maybe_order(query, %{order: :desc}) do
	query
	\|> order_by(desc: :id)
	end

	defp maybe_order(query, %{order: :asc}) do
	query
	\|> order_by(asc: :id)
	end

	defp maybe_order(query, _), do: query

	defp fetch_activities_query_ap_ids_ops(opts) do
	source_user = opts[:muting_user]
	ap_id_relationships = if source_user, do: [:mute, :reblog_mute], else: []

	ap_id_relationships =
	if opts[:blocking_user] && opts[:blocking_user] == source_user do
	[:block \| ap_id_relationships]
	else
	ap_id_relationships
	end

	preloaded_ap_ids = User.outgoing_relationships_ap_ids(source_user, ap_id_relationships)

	restrict_blocked_opts = Map.merge(%{blocked_users_ap_ids: preloaded_ap_ids[:block]}, opts)
	restrict_muted_opts = Map.merge(%{muted_users_ap_ids: preloaded_ap_ids[:mute]}, opts)

	restrict_muted_reblogs_opts =
	Map.merge(%{reblog_muted_users_ap_ids: preloaded_ap_ids[:reblog_mute]}, opts)

	{restrict_blocked_opts, restrict_muted_opts, restrict_muted_reblogs_opts}
	end

	def fetch_activities_query(recipients, opts \\ %{}) do
	{restrict_blocked_opts, restrict_muted_opts, restrict_muted_reblogs_opts} =
	fetch_activities_query_ap_ids_ops(opts)

	config = %{
	skip_thread_containment: Config.get([:instance, :skip_thread_containment])
	}

	Activity
	\|> maybe_preload_objects(opts)
	\|> maybe_preload_bookmarks(opts)
	\|> maybe_preload_report_notes(opts)
	\|> maybe_set_thread_muted_field(opts)
	\|> maybe_order(opts)
	\|> restrict_recipients(recipients, opts[:user])
	\|> restrict_replies(opts)
	\|> restrict_tag(opts)
	\|> restrict_tag_reject(opts)
	\|> restrict_tag_all(opts)
	\|> restrict_since(opts)
	\|> restrict_local(opts)
	\|> restrict_actor(opts)
	\|> restrict_type(opts)
	\|> restrict_state(opts)
	\|> restrict_favorited_by(opts)
	\|> restrict_blocked(restrict_blocked_opts)
	\|> restrict_muted(restrict_muted_opts)
	\|> restrict_media(opts)
	\|> restrict_visibility(opts)
	\|> restrict_thread_visibility(opts, config)
	\|> restrict_reblogs(opts)
	\|> restrict_pinned(opts)
	\|> restrict_muted_reblogs(restrict_muted_reblogs_opts)
	\|> restrict_instance(opts)
	\|> restrict_announce_object_actor(opts)
	\|> Activity.restrict_deactivated_users()
	\|> exclude_poll_votes(opts)
	\|> exclude_chat_messages(opts)
	\|> exclude_invisible_actors(opts)
	\|> exclude_visibility(opts)
	end

	def fetch_activities(recipients, opts \\ %{}, pagination \\ :keyset) do
	list_memberships = Pleroma.List.memberships(opts[:user])

	fetch_activities_query(recipients ++ list_memberships, opts)
	\|> Pagination.fetch_paginated(opts, pagination)
	\|> Enum.reverse()
	\|> maybe_update_cc(list_memberships, opts[:user])
	end

	@doc """
	Fetch favorites activities of user with order by sort adds to favorites
	"""
	@spec fetch_favourites(User.t(), map(), Pagination.type()) :: list(Activity.t())
	def fetch_favourites(user, params \\ %{}, pagination \\ :keyset) do
	user.ap_id
	\|> Activity.Queries.by_actor()
	\|> Activity.Queries.by_type("Like")
	\|> Activity.with_joined_object()
	\|> Object.with_joined_activity()
	\|> select([like, object, activity], %{activity \| object: object, pagination_id: like.id})
	\|> order_by([like, _, _], desc_nulls_last: like.id)
	\|> Pagination.fetch_paginated(
	Map.merge(params, %{skip_order: true}),
	pagination
	)
	end

	defp maybe_update_cc(activities, [_ \| _] = list_memberships, %User{ap_id: user_ap_id}) do
	Enum.map(activities, fn
	%{data: %{"bcc" => [_ \| _] = bcc}} = activity ->
	if Enum.any?(bcc, &(&1 in list_memberships)) do
	update_in(activity.data["cc"], &[user_ap_id \| &1])
	else
	activity
	end

	activity ->
	activity
	end)
	end

	defp maybe_update_cc(activities, _, _), do: activities

	defp fetch_activities_bounded_query(query, recipients, recipients_with_public) do
	from(activity in query,
	where:
	fragment("? && ?", activity.recipients, ^recipients) or
	(fragment("? && ?", activity.recipients, ^recipients_with_public) and
	^Constants.as_public() in activity.recipients)
	)
	end

	def fetch_activities_bounded(
	recipients,
	recipients_with_public,
	opts \\ %{},
	pagination \\ :keyset
	) do
	fetch_activities_query([], opts)
	\|> fetch_activities_bounded_query(recipients, recipients_with_public)
	\|> Pagination.fetch_paginated(opts, pagination)
	\|> Enum.reverse()
	end

	@spec upload(Upload.source(), keyword()) :: {:ok, Object.t()} \| {:error, any()}
	def upload(file, opts \\ []) do
	with {:ok, data} <- Upload.store(file, opts) do
	obj_data = Maps.put_if_present(data, "actor", opts[:actor])

	Repo.insert(%Object{data: obj_data})
	end
	end

	@spec get_actor_url(any()) :: binary() \| nil
	defp get_actor_url(url) when is_binary(url), do: url
	defp get_actor_url(%{"href" => href}) when is_binary(href), do: href

	defp get_actor_url(url) when is_list(url) do
	url
	\|> List.first()
	\|> get_actor_url()
	end

	defp get_actor_url(_url), do: nil

	defp object_to_user_data(data) do
	avatar =
	data["icon"]["url"] &&
	%{
	"type" => "Image",
	"url" => [%{"href" => data["icon"]["url"]}]
	}

	banner =
	data["image"]["url"] &&
	%{
	"type" => "Image",
	"url" => [%{"href" => data["image"]["url"]}]
	}

	fields =
	data
	\|> Map.get("attachment", [])
	\|> Enum.filter(fn %{"type" => t} -> t == "PropertyValue" end)
	\|> Enum.map(fn fields -> Map.take(fields, ["name", "value"]) end)

	emojis =
	data
	\|> Map.get("tag", [])
	\|> Enum.filter(fn
	%{"type" => "Emoji"} -> true
	_ -> false
	end)
	\|> Map.new(fn %{"icon" => %{"url" => url}, "name" => name} ->
	{String.trim(name, ":"), url}
	end)

	locked = data["manuallyApprovesFollowers"] \|\| false
	data = Transmogrifier.maybe_fix_user_object(data)
	discoverable = data["discoverable"] \|\| false
	invisible = data["invisible"] \|\| false
	actor_type = data["type"] \|\| "Person"

	public_key =
	if is_map(data["publicKey"]) && is_binary(data["publicKey"]["publicKeyPem"]) do
	data["publicKey"]["publicKeyPem"]
	else
	nil
	end

	shared_inbox =
	if is_map(data["endpoints"]) && is_binary(data["endpoints"]["sharedInbox"]) do
	data["endpoints"]["sharedInbox"]
	else
	nil
	end

	user_data = %{
	ap_id: data["id"],
	uri: get_actor_url(data["url"]),
	ap_enabled: true,
	banner: banner,
	fields: fields,
	emoji: emojis,
	locked: locked,
	discoverable: discoverable,
	invisible: invisible,
	avatar: avatar,
	name: data["name"],
	follower_address: data["followers"],
	following_address: data["following"],
	bio: data["summary"],
	actor_type: actor_type,
	also_known_as: Map.get(data, "alsoKnownAs", []),
	public_key: public_key,
	inbox: data["inbox"],
	shared_inbox: shared_inbox
	}

	# nickname can be nil because of virtual actors
	if data["preferredUsername"] do
	Map.put(
	user_data,
	:nickname,
	"#{data["preferredUsername"]}@#{URI.parse(data["id"]).host}"
	)
	else
	Map.put(user_data, :nickname, nil)
	end
	end

	def fetch_follow_information_for_user(user) do
	with {:ok, following_data} <-
	Fetcher.fetch_and_contain_remote_object_from_id(user.following_address),
	{:ok, hide_follows} <- collection_private(following_data),
	{:ok, followers_data} <-
	Fetcher.fetch_and_contain_remote_object_from_id(user.follower_address),
	{:ok, hide_followers} <- collection_private(followers_data) do
	{:ok,
	%{
	hide_follows: hide_follows,
	follower_count: normalize_counter(followers_data["totalItems"]),
	following_count: normalize_counter(following_data["totalItems"]),
	hide_followers: hide_followers
	}}
	else
	{:error, _} = e -> e
	e -> {:error, e}
	end
	end

	defp normalize_counter(counter) when is_integer(counter), do: counter
	defp normalize_counter(_), do: 0

	def maybe_update_follow_information(user_data) do
	with {:enabled, true} <- {:enabled, Config.get([:instance, :external_user_synchronization])},
	{_, true} <- {:user_type_check, user_data[:type] in ["Person", "Service"]},
	{_, true} <-
	{:collections_available,
	!!(user_data[:following_address] && user_data[:follower_address])},
	{:ok, info} <-
	fetch_follow_information_for_user(user_data) do
	info = Map.merge(user_data[:info] \|\| %{}, info)

	user_data
	\|> Map.put(:info, info)
	else
	{:user_type_check, false} ->
	user_data

	{:collections_available, false} ->
	user_data

	{:enabled, false} ->
	user_data

	e ->
	Logger.error(
	"Follower/Following counter update for #{user_data.ap_id} failed.\n" <> inspect(e)
	)

	user_data
	end
	end

	defp collection_private(%{"first" => %{"type" => type}})
	when type in ["CollectionPage", "OrderedCollectionPage"],
	do: {:ok, false}

	defp collection_private(%{"first" => first}) do
	with {:ok, %{"type" => type}} when type in ["CollectionPage", "OrderedCollectionPage"] <-
	Fetcher.fetch_and_contain_remote_object_from_id(first) do
	{:ok, false}
	else
	{:error, {:ok, %{status: code}}} when code in [401, 403] -> {:ok, true}
	{:error, _} = e -> e
	e -> {:error, e}
	end
	end

	defp collection_private(_data), do: {:ok, true}

	def user_data_from_user_object(data) do
	with {:ok, data} <- MRF.filter(data) do
	{:ok, object_to_user_data(data)}
	else
	e -> {:error, e}
	end
	end

	def fetch_and_prepare_user_from_ap_id(ap_id) do
	with {:ok, data} <- Fetcher.fetch_and_contain_remote_object_from_id(ap_id),
	{:ok, data} <- user_data_from_user_object(data) do
	{:ok, maybe_update_follow_information(data)}
	else
	{:error, "Object has been deleted" = e} ->
	Logger.debug("Could not decode user at fetch #{ap_id}, #{inspect(e)}")
	{:error, e}

	{:error, e} ->
	Logger.error("Could not decode user at fetch #{ap_id}, #{inspect(e)}")
	{:error, e}
	end
	end

	def make_user_from_ap_id(ap_id) do
	user = User.get_cached_by_ap_id(ap_id)

	if user && !User.ap_enabled?(user) do
	Transmogrifier.upgrade_user_from_ap_id(ap_id)
	else
	with {:ok, data} <- fetch_and_prepare_user_from_ap_id(ap_id) do
	if user do
	user
	\|> User.remote_user_changeset(data)
	\|> User.update_and_set_cache()
	else
	data
	\|> User.remote_user_changeset()
	\|> Repo.insert()
	\|> User.set_cache()
	end
	end
	end
	end

	def make_user_from_nickname(nickname) do
	with {:ok, %{"ap_id" => ap_id}} when not is_nil(ap_id) <- WebFinger.finger(nickname) do
	make_user_from_ap_id(ap_id)
	else
	_e -> {:error, "No AP id in WebFinger"}
	end
	end

	# filter out broken threads
	defp contain_broken_threads(%Activity{} = activity, %User{} = user) do
	entire_thread_visible_for_user?(activity, user)
	end

	# do post-processing on a specific activity
	def contain_activity(%Activity{} = activity, %User{} = user) do
	contain_broken_threads(activity, user)
	end

	def fetch_direct_messages_query do
	Activity
	\|> restrict_type(%{type: "Create"})
	\|> restrict_visibility(%{visibility: "direct"})
	\|> order_by([activity], asc: activity.id)
	end
	end
	diff --git a/lib/pleroma/web/activity_pub/builder.ex b/lib/pleroma/web/activity_pub/builder.ex
	index 1aac62c69..135a5c431 100644
	--- a/lib/pleroma/web/activity_pub/builder.ex
	+++ b/lib/pleroma/web/activity_pub/builder.ex
	@@ -1,183 +1,198 @@
	defmodule Pleroma.Web.ActivityPub.Builder do
	@moduledoc """
	This module builds the objects. Meant to be used for creating local objects.

	This module encodes our addressing policies and general shape of our objects.
	"""

	alias Pleroma.Emoji
	alias Pleroma.Object
	alias Pleroma.User
	alias Pleroma.Web.ActivityPub.Relay
	alias Pleroma.Web.ActivityPub.Utils
	alias Pleroma.Web.ActivityPub.Visibility

	require Pleroma.Constants

	@spec emoji_react(User.t(), Object.t(), String.t()) :: {:ok, map(), keyword()}
	def emoji_react(actor, object, emoji) do
	with {:ok, data, meta} <- object_action(actor, object) do
	data =
	data
	\|> Map.put("content", emoji)
	\|> Map.put("type", "EmojiReact")

	{:ok, data, meta}
	end
	end

	@spec undo(User.t(), Activity.t()) :: {:ok, map(), keyword()}
	def undo(actor, object) do
	{:ok,
	%{
	"id" => Utils.generate_activity_id(),
	"actor" => actor.ap_id,
	"type" => "Undo",
	"object" => object.data["id"],
	"to" => object.data["to"] \|\| [],
	"cc" => object.data["cc"] \|\| []
	}, []}
	end

	@spec delete(User.t(), String.t()) :: {:ok, map(), keyword()}
	def delete(actor, object_id) do
	object = Object.normalize(object_id, false)

	user = !object && User.get_cached_by_ap_id(object_id)

	to =
	case {object, user} do
	{%Object{}, _} ->
	# We are deleting an object, address everyone who was originally mentioned
	(object.data["to"] \|\| []) ++ (object.data["cc"] \|\| [])

	{_, %User{follower_address: follower_address}} ->
	# We are deleting a user, address the followers of that user
	[follower_address]
	end

	{:ok,
	%{
	"id" => Utils.generate_activity_id(),
	"actor" => actor.ap_id,
	"object" => object_id,
	"to" => to,
	"type" => "Delete"
	}, []}
	end

	def create(actor, object, recipients) do
	{:ok,
	%{
	"id" => Utils.generate_activity_id(),
	"actor" => actor.ap_id,
	"to" => recipients,
	"object" => object,
	"type" => "Create",
	"published" => DateTime.utc_now() \|> DateTime.to_iso8601()
	}, []}
	end

	def chat_message(actor, recipient, content, opts \\ []) do
	basic = %{
	"id" => Utils.generate_object_id(),
	"actor" => actor.ap_id,
	"type" => "ChatMessage",
	"to" => [recipient],
	"content" => content,
	"published" => DateTime.utc_now() \|> DateTime.to_iso8601(),
	"emoji" => Emoji.Formatter.get_emoji_map(content)
	}

	case opts[:attachment] do
	%Object{data: attachment_data} ->
	{
	:ok,
	Map.put(basic, "attachment", attachment_data),
	[]
	}

	_ ->
	{:ok, basic, []}
	end
	end

	@spec tombstone(String.t(), String.t()) :: {:ok, map(), keyword()}
	def tombstone(actor, id) do
	{:ok,
	%{
	"id" => id,
	"actor" => actor,
	"type" => "Tombstone"
	}, []}
	end

	@spec like(User.t(), Object.t()) :: {:ok, map(), keyword()}
	def like(actor, object) do
	with {:ok, data, meta} <- object_action(actor, object) do
	data =
	data
	\|> Map.put("type", "Like")

	{:ok, data, meta}
	end
	end

	+ # Retricted to user updates for now, always public
	+ @spec update(User.t(), Object.t()) :: {:ok, map(), keyword()}
	+ def update(actor, object) do
	+ to = [Pleroma.Constants.as_public(), actor.follower_address]
	+
	+ {:ok,
	+ %{
	+ "id" => Utils.generate_activity_id(),
	+ "type" => "Update",
	+ "actor" => actor.ap_id,
	+ "object" => object,
	+ "to" => to
	+ }, []}
	+ end
	+
	@spec announce(User.t(), Object.t(), keyword()) :: {:ok, map(), keyword()}
	def announce(actor, object, options \\ []) do
	public? = Keyword.get(options, :public, false)

	to =
	cond do
	actor.ap_id == Relay.relay_ap_id() ->
	[actor.follower_address]

	public? ->
	[actor.follower_address, object.data["actor"], Pleroma.Constants.as_public()]

	true ->
	[actor.follower_address, object.data["actor"]]
	end

	{:ok,
	%{
	"id" => Utils.generate_activity_id(),
	"actor" => actor.ap_id,
	"object" => object.data["id"],
	"to" => to,
	"context" => object.data["context"],
	"type" => "Announce",
	"published" => Utils.make_date()
	}, []}
	end

	@spec object_action(User.t(), Object.t()) :: {:ok, map(), keyword()}
	defp object_action(actor, object) do
	object_actor = User.get_cached_by_ap_id(object.data["actor"])

	# Address the actor of the object, and our actor's follower collection if the post is public.
	to =
	if Visibility.is_public?(object) do
	[actor.follower_address, object.data["actor"]]
	else
	[object.data["actor"]]
	end

	# CC everyone who's been addressed in the object, except ourself and the object actor's
	# follower collection
	cc =
	(object.data["to"] ++ (object.data["cc"] \|\| []))
	\|> List.delete(actor.ap_id)
	\|> List.delete(object_actor.follower_address)

	{:ok,
	%{
	"id" => Utils.generate_activity_id(),
	"actor" => actor.ap_id,
	"object" => object.data["id"],
	"to" => to,
	"cc" => cc,
	"context" => object.data["context"]
	}, []}
	end
	end
	diff --git a/lib/pleroma/web/activity_pub/object_validator.ex b/lib/pleroma/web/activity_pub/object_validator.ex
	index 6a83a2c33..2c657b467 100644
	--- a/lib/pleroma/web/activity_pub/object_validator.ex
	+++ b/lib/pleroma/web/activity_pub/object_validator.ex
	@@ -1,133 +1,144 @@
	# Pleroma: A lightweight social networking server
	# Copyright © 2017-2020 Pleroma Authors <https://pleroma.social/>
	# SPDX-License-Identifier: AGPL-3.0-only

	defmodule Pleroma.Web.ActivityPub.ObjectValidator do
	@moduledoc """
	This module is responsible for validating an object (which can be an activity)
	and checking if it is both well formed and also compatible with our view of
	the system.
	"""

	alias Pleroma.EctoType.ActivityPub.ObjectValidators
	alias Pleroma.Object
	alias Pleroma.User
	alias Pleroma.Web.ActivityPub.ObjectValidators.AnnounceValidator
	alias Pleroma.Web.ActivityPub.ObjectValidators.ChatMessageValidator
	alias Pleroma.Web.ActivityPub.ObjectValidators.CreateChatMessageValidator
	alias Pleroma.Web.ActivityPub.ObjectValidators.DeleteValidator
	alias Pleroma.Web.ActivityPub.ObjectValidators.EmojiReactValidator
	alias Pleroma.Web.ActivityPub.ObjectValidators.LikeValidator
	alias Pleroma.Web.ActivityPub.ObjectValidators.UndoValidator
	+ alias Pleroma.Web.ActivityPub.ObjectValidators.UpdateValidator

	@spec validate(map(), keyword()) :: {:ok, map(), keyword()} \| {:error, any()}
	def validate(object, meta)

	+ def validate(%{"type" => "Update"} = update_activity, meta) do
	+ with {:ok, update_activity} <-
	+ update_activity
	+ \|> UpdateValidator.cast_and_validate()
	+ \|> Ecto.Changeset.apply_action(:insert) do
	+ update_activity = stringify_keys(update_activity)
	+ {:ok, update_activity, meta}
	+ end
	+ end
	+
	def validate(%{"type" => "Undo"} = object, meta) do
	with {:ok, object} <-
	object
	\|> UndoValidator.cast_and_validate()
	\|> Ecto.Changeset.apply_action(:insert) do
	object = stringify_keys(object)
	{:ok, object, meta}
	end
	end

	def validate(%{"type" => "Delete"} = object, meta) do
	with cng <- DeleteValidator.cast_and_validate(object),
	do_not_federate <- DeleteValidator.do_not_federate?(cng),
	{:ok, object} <- Ecto.Changeset.apply_action(cng, :insert) do
	object = stringify_keys(object)
	meta = Keyword.put(meta, :do_not_federate, do_not_federate)
	{:ok, object, meta}
	end
	end

	def validate(%{"type" => "Like"} = object, meta) do
	with {:ok, object} <-
	object
	\|> LikeValidator.cast_and_validate()
	\|> Ecto.Changeset.apply_action(:insert) do
	object = stringify_keys(object)
	{:ok, object, meta}
	end
	end

	def validate(%{"type" => "ChatMessage"} = object, meta) do
	with {:ok, object} <-
	object
	\|> ChatMessageValidator.cast_and_validate()
	\|> Ecto.Changeset.apply_action(:insert) do
	object = stringify_keys(object)
	{:ok, object, meta}
	end
	end

	def validate(%{"type" => "EmojiReact"} = object, meta) do
	with {:ok, object} <-
	object
	\|> EmojiReactValidator.cast_and_validate()
	\|> Ecto.Changeset.apply_action(:insert) do
	object = stringify_keys(object \|> Map.from_struct())
	{:ok, object, meta}
	end
	end

	def validate(%{"type" => "Create", "object" => object} = create_activity, meta) do
	with {:ok, object_data} <- cast_and_apply(object),
	meta = Keyword.put(meta, :object_data, object_data \|> stringify_keys),
	{:ok, create_activity} <-
	create_activity
	\|> CreateChatMessageValidator.cast_and_validate(meta)
	\|> Ecto.Changeset.apply_action(:insert) do
	create_activity = stringify_keys(create_activity)
	{:ok, create_activity, meta}
	end
	end

	def validate(%{"type" => "Announce"} = object, meta) do
	with {:ok, object} <-
	object
	\|> AnnounceValidator.cast_and_validate()
	\|> Ecto.Changeset.apply_action(:insert) do
	object = stringify_keys(object \|> Map.from_struct())
	{:ok, object, meta}
	end
	end

	def cast_and_apply(%{"type" => "ChatMessage"} = object) do
	ChatMessageValidator.cast_and_apply(object)
	end

	def cast_and_apply(o), do: {:error, {:validator_not_set, o}}

	def stringify_keys(%{__struct__: _} = object) do
	object
	\|> Map.from_struct()
	\|> stringify_keys
	end

	def stringify_keys(object) when is_map(object) do
	object
	\|> Map.new(fn {key, val} -> {to_string(key), stringify_keys(val)} end)
	end

	def stringify_keys(object) when is_list(object) do
	object
	\|> Enum.map(&stringify_keys/1)
	end

	def stringify_keys(object), do: object

	def fetch_actor(object) do
	with {:ok, actor} <- ObjectValidators.ObjectID.cast(object["actor"]) do
	User.get_or_fetch_by_ap_id(actor)
	end
	end

	def fetch_actor_and_object(object) do
	fetch_actor(object)
	Object.normalize(object["object"], true)
	:ok
	end
	end
	diff --git a/lib/pleroma/web/activity_pub/object_validators/update_validator.ex b/lib/pleroma/web/activity_pub/object_validators/update_validator.ex
	new file mode 100644
	index 000000000..b4ba5ede0
	--- /dev/null
	+++ b/lib/pleroma/web/activity_pub/object_validators/update_validator.ex
	@@ -0,0 +1,59 @@
	+# Pleroma: A lightweight social networking server
	+# Copyright © 2017-2020 Pleroma Authors <https://pleroma.social/>
	+# SPDX-License-Identifier: AGPL-3.0-only
	+
	+defmodule Pleroma.Web.ActivityPub.ObjectValidators.UpdateValidator do
	+ use Ecto.Schema
	+
	+ alias Pleroma.EctoType.ActivityPub.ObjectValidators
	+
	+ import Ecto.Changeset
	+ import Pleroma.Web.ActivityPub.ObjectValidators.CommonValidations
	+
	+ @primary_key false
	+
	+ embedded_schema do
	+ field(:id, ObjectValidators.ObjectID, primary_key: true)
	+ field(:type, :string)
	+ field(:actor, ObjectValidators.ObjectID)
	+ field(:to, ObjectValidators.Recipients, default: [])
	+ field(:cc, ObjectValidators.Recipients, default: [])
	+ # In this case, we save the full object in this activity instead of just a
	+ # reference, so we can always see what was actually changed by this.
	+ field(:object, :map)
	+ end
	+
	+ def cast_data(data) do
	+ %__MODULE__{}
	+ \|> cast(data, __schema__(:fields))
	+ end
	+
	+ def validate_data(cng) do
	+ cng
	+ \|> validate_required([:id, :type, :actor, :to, :cc, :object])
	+ \|> validate_inclusion(:type, ["Update"])
	+ \|> validate_actor_presence()
	+ \|> validate_updating_rights()
	+ end
	+
	+ def cast_and_validate(data) do
	+ data
	+ \|> cast_data
	+ \|> validate_data
	+ end
	+
	+ # For now we only support updating users, and here the rule is easy:
	+ # object id == actor id
	+ def validate_updating_rights(cng) do
	+ with actor = get_field(cng, :actor),
	+ object = get_field(cng, :object),
	+ {:ok, object_id} <- ObjectValidators.ObjectID.cast(object),
	+ true <- actor == object_id do
	+ cng
	+ else
	+ _e ->
	+ cng
	+ \|> add_error(:object, "Can't be updated by this actor")
	+ end
	+ end
	+end
	diff --git a/lib/pleroma/web/activity_pub/side_effects.ex b/lib/pleroma/web/activity_pub/side_effects.ex
	index 1a1cc675c..de143b8f0 100644
	--- a/lib/pleroma/web/activity_pub/side_effects.ex
	+++ b/lib/pleroma/web/activity_pub/side_effects.ex
	@@ -1,248 +1,268 @@
	defmodule Pleroma.Web.ActivityPub.SideEffects do
	@moduledoc """
	This module looks at an inserted object and executes the side effects that it
	implies. For example, a `Like` activity will increase the like count on the
	liked object, a `Follow` activity will add the user to the follower
	collection, and so on.
	"""
	alias Pleroma.Activity
	alias Pleroma.Chat
	alias Pleroma.Chat.MessageReference
	alias Pleroma.Notification
	alias Pleroma.Object
	alias Pleroma.Repo
	alias Pleroma.User
	alias Pleroma.Web.ActivityPub.ActivityPub
	alias Pleroma.Web.ActivityPub.Pipeline
	alias Pleroma.Web.ActivityPub.Utils
	alias Pleroma.Web.Push
	alias Pleroma.Web.Streamer

	def handle(object, meta \\ [])

	+ # Tasks this handles:
	+ # - Update the user
	+ #
	+ # For a local user, we also get a changeset with the full information, so we
	+ # can update non-federating, non-activitypub settings as well.
	+ def handle(%{data: %{"type" => "Update", "object" => updated_object}} = object, meta) do
	+ if changeset = Keyword.get(meta, :user_update_changeset) do
	+ changeset
	+ \|> User.update_and_set_cache()
	+ else
	+ {:ok, new_user_data} = ActivityPub.user_data_from_user_object(updated_object)
	+
	+ User.get_by_ap_id(updated_object["id"])
	+ \|> User.remote_user_changeset(new_user_data)
	+ \|> User.update_and_set_cache()
	+ end
	+
	+ {:ok, object, meta}
	+ end
	+
	# Tasks this handles:
	# - Add like to object
	# - Set up notification
	def handle(%{data: %{"type" => "Like"}} = object, meta) do
	liked_object = Object.get_by_ap_id(object.data["object"])
	Utils.add_like_to_object(object, liked_object)

	Notification.create_notifications(object)

	{:ok, object, meta}
	end

	# Tasks this handles
	# - Actually create object
	# - Rollback if we couldn't create it
	# - Set up notifications
	def handle(%{data: %{"type" => "Create"}} = activity, meta) do
	with {:ok, _object, meta} <- handle_object_creation(meta[:object_data], meta) do
	{:ok, notifications} = Notification.create_notifications(activity, do_send: false)

	meta =
	meta
	\|> add_notifications(notifications)

	{:ok, activity, meta}
	else
	e -> Repo.rollback(e)
	end
	end

	# Tasks this handles:
	# - Add announce to object
	# - Set up notification
	# - Stream out the announce
	def handle(%{data: %{"type" => "Announce"}} = object, meta) do
	announced_object = Object.get_by_ap_id(object.data["object"])
	user = User.get_cached_by_ap_id(object.data["actor"])

	Utils.add_announce_to_object(object, announced_object)

	if !User.is_internal_user?(user) do
	Notification.create_notifications(object)
	ActivityPub.stream_out(object)
	end

	{:ok, object, meta}
	end

	def handle(%{data: %{"type" => "Undo", "object" => undone_object}} = object, meta) do
	with undone_object <- Activity.get_by_ap_id(undone_object),
	:ok <- handle_undoing(undone_object) do
	{:ok, object, meta}
	end
	end

	# Tasks this handles:
	# - Add reaction to object
	# - Set up notification
	def handle(%{data: %{"type" => "EmojiReact"}} = object, meta) do
	reacted_object = Object.get_by_ap_id(object.data["object"])
	Utils.add_emoji_reaction_to_object(object, reacted_object)

	Notification.create_notifications(object)

	{:ok, object, meta}
	end

	# Tasks this handles:
	# - Delete and unpins the create activity
	# - Replace object with Tombstone
	# - Set up notification
	# - Reduce the user note count
	# - Reduce the reply count
	# - Stream out the activity
	def handle(%{data: %{"type" => "Delete", "object" => deleted_object}} = object, meta) do
	deleted_object =
	Object.normalize(deleted_object, false) \|\| User.get_cached_by_ap_id(deleted_object)

	result =
	case deleted_object do
	%Object{} ->
	with {:ok, deleted_object, activity} <- Object.delete(deleted_object),
	%User{} = user <- User.get_cached_by_ap_id(deleted_object.data["actor"]) do
	User.remove_pinnned_activity(user, activity)

	{:ok, user} = ActivityPub.decrease_note_count_if_public(user, deleted_object)

	if in_reply_to = deleted_object.data["inReplyTo"] do
	Object.decrease_replies_count(in_reply_to)
	end

	MessageReference.delete_for_object(deleted_object)

	ActivityPub.stream_out(object)
	ActivityPub.stream_out_participations(deleted_object, user)
	:ok
	end

	%User{} ->
	with {:ok, _} <- User.delete(deleted_object) do
	:ok
	end
	end

	if result == :ok do
	Notification.create_notifications(object)
	{:ok, object, meta}
	else
	{:error, result}
	end
	end

	# Nothing to do
	def handle(object, meta) do
	{:ok, object, meta}
	end

	def handle_object_creation(%{"type" => "ChatMessage"} = object, meta) do
	with {:ok, object, meta} <- Pipeline.common_pipeline(object, meta) do
	actor = User.get_cached_by_ap_id(object.data["actor"])
	recipient = User.get_cached_by_ap_id(hd(object.data["to"]))

	streamables =
	[[actor, recipient], [recipient, actor]]
	\|> Enum.map(fn [user, other_user] ->
	if user.local do
	{:ok, chat} = Chat.bump_or_create(user.id, other_user.ap_id)
	{:ok, cm_ref} = MessageReference.create(chat, object, user.ap_id != actor.ap_id)

	{
	["user", "user:pleroma_chat"],
	{user, %{cm_ref \| chat: chat, object: object}}
	}
	end
	end)
	\|> Enum.filter(& &1)

	meta =
	meta
	\|> add_streamables(streamables)

	{:ok, object, meta}
	end
	end

	# Nothing to do
	def handle_object_creation(object) do
	{:ok, object}
	end

	def handle_undoing(%{data: %{"type" => "Like"}} = object) do
	with %Object{} = liked_object <- Object.get_by_ap_id(object.data["object"]),
	{:ok, _} <- Utils.remove_like_from_object(object, liked_object),
	{:ok, _} <- Repo.delete(object) do
	:ok
	end
	end

	def handle_undoing(%{data: %{"type" => "EmojiReact"}} = object) do
	with %Object{} = reacted_object <- Object.get_by_ap_id(object.data["object"]),
	{:ok, _} <- Utils.remove_emoji_reaction_from_object(object, reacted_object),
	{:ok, _} <- Repo.delete(object) do
	:ok
	end
	end

	def handle_undoing(%{data: %{"type" => "Announce"}} = object) do
	with %Object{} = liked_object <- Object.get_by_ap_id(object.data["object"]),
	{:ok, _} <- Utils.remove_announce_from_object(object, liked_object),
	{:ok, _} <- Repo.delete(object) do
	:ok
	end
	end

	def handle_undoing(
	%{data: %{"type" => "Block", "actor" => blocker, "object" => blocked}} = object
	) do
	with %User{} = blocker <- User.get_cached_by_ap_id(blocker),
	%User{} = blocked <- User.get_cached_by_ap_id(blocked),
	{:ok, _} <- User.unblock(blocker, blocked),
	{:ok, _} <- Repo.delete(object) do
	:ok
	end
	end

	def handle_undoing(object), do: {:error, ["don't know how to handle", object]}

	defp send_notifications(meta) do
	Keyword.get(meta, :notifications, [])
	\|> Enum.each(fn notification ->
	Streamer.stream(["user", "user:notification"], notification)
	Push.send(notification)
	end)

	meta
	end

	defp send_streamables(meta) do
	Keyword.get(meta, :streamables, [])
	\|> Enum.each(fn {topics, items} ->
	Streamer.stream(topics, items)
	end)

	meta
	end

	defp add_streamables(meta, streamables) do
	existing = Keyword.get(meta, :streamables, [])

	meta
	\|> Keyword.put(:streamables, streamables ++ existing)
	end

	defp add_notifications(meta, notifications) do
	existing = Keyword.get(meta, :notifications, [])

	meta
	\|> Keyword.put(:notifications, notifications ++ existing)
	end

	def handle_after_transaction(meta) do
	meta
	\|> send_notifications()
	\|> send_streamables()
	end
	end
	diff --git a/lib/pleroma/web/activity_pub/transmogrifier.ex b/lib/pleroma/web/activity_pub/transmogrifier.ex
	index 1c60ef8f5..4e318e89c 100644
	--- a/lib/pleroma/web/activity_pub/transmogrifier.ex
	+++ b/lib/pleroma/web/activity_pub/transmogrifier.ex
	@@ -1,1206 +1,1183 @@
	# Pleroma: A lightweight social networking server
	# Copyright © 2017-2020 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.EarmarkRenderer
	alias Pleroma.EctoType.ActivityPub.ObjectValidators
	alias Pleroma.FollowingRelationship
	alias Pleroma.Maps
	alias Pleroma.Notification
	alias Pleroma.Object
	alias Pleroma.Object.Containment
	alias Pleroma.Repo
	alias Pleroma.User
	alias Pleroma.Web.ActivityPub.ActivityPub
	alias Pleroma.Web.ActivityPub.Builder
	alias Pleroma.Web.ActivityPub.ObjectValidator
	alias Pleroma.Web.ActivityPub.Pipeline
	alias Pleroma.Web.ActivityPub.Utils
	alias Pleroma.Web.ActivityPub.Visibility
	alias Pleroma.Web.Federator
	alias Pleroma.Workers.TransmogrifierWorker

	import Ecto.Query

	require Logger
	require Pleroma.Constants

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

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

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

	def fix_summary(object), do: Map.put(object, "summary", "")

	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 = Enum.filter(to, fn x -> x in explicit_mentions end)

	explicit_cc = Enum.filter(to, 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 = Utils.determine_explicit_mentions(object)

	%User{follower_address: follower_collection} =
	object
	\|> Containment.get_actor()
	\|> User.get_cached_by_ap_id()

	explicit_mentions =
	explicit_mentions ++
	[
	Pleroma.Constants.as_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
	Pleroma.Constants.as_public() in cc ->
	to = to ++ [followers_collection]
	Map.put(object, "to", to)

	Pleroma.Constants.as_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
	Map.put(object, "actor", Containment.get_actor(%{"actor" => actor}))
	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 = prepare_in_reply_to(in_reply_to)
	object = Map.put(object, "inReplyToAtomUri", in_reply_to_id)
	depth = (options[:depth] \|\| 0) + 1

	if Federator.allowed_thread_distance?(depth) do
	with {:ok, replied_object} <- get_obj_helper(in_reply_to_id, options),
	%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("context", replied_object.data["context"] \|\| object["conversation"])
	\|> Map.drop(["conversation"])
	else
	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

	defp prepare_in_reply_to(in_reply_to) do
	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)

	true ->
	""
	end
	end

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

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

	def fix_attachments(%{"attachment" => attachment} = object) when is_list(attachment) do
	attachments =
	Enum.map(attachment, fn data ->
	url =
	cond do
	is_list(data["url"]) -> List.first(data["url"])
	is_map(data["url"]) -> data["url"]
	true -> nil
	end

	media_type =
	cond do
	is_map(url) && MIME.valid?(url["mediaType"]) -> url["mediaType"]
	MIME.valid?(data["mediaType"]) -> data["mediaType"]
	MIME.valid?(data["mimeType"]) -> data["mimeType"]
	true -> nil
	end

	href =
	cond do
	is_map(url) && is_binary(url["href"]) -> url["href"]
	is_binary(data["url"]) -> data["url"]
	is_binary(data["href"]) -> data["href"]
	end

	attachment_url =
	%{"href" => href}
	\|> Maps.put_if_present("mediaType", media_type)
	\|> Maps.put_if_present("type", Map.get(url \|\| %{}, "type"))

	%{"url" => [attachment_url]}
	\|> Maps.put_if_present("mediaType", media_type)
	\|> Maps.put_if_present("type", data["type"])
	\|> Maps.put_if_present("name", data["name"])
	end)

	Map.put(object, "attachment", attachments)
	end

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

	def fix_attachments(object), do: object

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

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

	link_element = Enum.find(url, fn x -> is_map(x) and x["mimeType"] == "text/html" end)

	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

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

	Map.put(mapping, 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)

	Map.put(object, "emoji", emoji)
	end

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

	Map.put(object, "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)

	Map.put(object, "tag", tag ++ tags)
	end

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

	Map.put(object, "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)

	Map.put(object, "content", content)
	end

	def fix_content_map(object), do: object

	def fix_type(object, options \\ [])

	def fix_type(%{"inReplyTo" => reply_id, "name" => _} = object, options)
	when is_binary(reply_id) do
	with true <- Federator.allowed_thread_distance?(options[:depth]),
	{:ok, %{data: %{"type" => "Question"} = _} = _} <- get_obj_helper(reply_id, options) do
	Map.put(object, "type", "Answer")
	else
	_ -> object
	end
	end

	def fix_type(object, _), do: object

	defp fix_content(%{"mediaType" => "text/markdown", "content" => content} = object)
	when is_binary(content) do
	html_content =
	content
	\|> Earmark.as_html!(%Earmark.Options{renderer: EarmarkRenderer})
	\|> Pleroma.HTML.filter_tags()

	Map.merge(object, %{"content" => html_content, "mediaType" => "text/html"})
	end

	defp fix_content(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

	# Reduce the object list to find the reported user.
	defp get_reported(objects) do
	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)
	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 <- get_reported(objects),
	# Remove the reported user from the object list.
	statuses <- Enum.filter(objects, fn ap_id -> ap_id != account.ap_id end) do
	%{
	actor: actor,
	context: context,
	account: account,
	statuses: statuses,
	content: content,
	additional: %{"cc" => [account.ap_id]}
	}
	\|> ActivityPub.flag()
	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 is_binary(id) and byte_size(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", "Event", "Note", "Video", "Page", "Question", "Answer", "Audio"] 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
	object = fix_object(object, options)

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

	with {:ok, created_activity} <- ActivityPub.create(params) do
	reply_depth = (options[:depth] \|\| 0) + 1

	if Federator.allowed_thread_distance?(reply_depth) do
	for reply_id <- replies(object) do
	Pleroma.Workers.RemoteFetcherWorker.enqueue("fetch_remote", %{
	"id" => reply_id,
	"depth" => reply_depth
	})
	end
	end

	{:ok, created_activity}
	end
	else
	%Activity{} = activity -> {:ok, activity}
	_e -> :error
	end
	end

	def handle_incoming(
	%{"type" => "Listen", "object" => %{"type" => "Audio"} = object} = data,
	options
	) do
	actor = Containment.get_actor(data)

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

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

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

	ActivityPub.listen(params)
	else
	_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(Containment.get_actor(%{"actor" => followed})),
	{:ok, %User{} = follower} <-
	User.get_or_fetch_by_ap_id(Containment.get_actor(%{"actor" => follower})),
	{:ok, activity} <-
	ActivityPub.follow(follower, followed, id, false, skip_notify_and_stream: true) 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")},
	{:ok, _relationship} <-
	FollowingRelationship.update(follower, followed, :follow_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")
	{:ok, _relationship} = FollowingRelationship.update(follower, followed, :follow_reject)

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

	{:follow, {:error, _}} ->
	{:ok, _} = Utils.update_follow_state_for_all(activity, "reject")
	{:ok, _relationship} = FollowingRelationship.update(follower, followed, :follow_reject)

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

	{:user_locked, true} ->
	{:ok, _relationship} = FollowingRelationship.update(follower, followed, :follow_pending)
	:noop
	end

	ActivityPub.notify_and_stream(activity)
	{: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, _relationship} <- FollowingRelationship.update(follower, followed, :follow_accept) do
	User.update_follower_count(followed)
	User.update_following_count(follower)

	Notification.update_notification_type(followed, follow_activity)

	ActivityPub.accept(%{
	to: follow_activity.data["to"],
	type: "Accept",
	actor: followed,
	object: follow_activity.data["id"],
	local: false,
	activity_id: id
	})
	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, _relationship} <- FollowingRelationship.update(follower, followed, :follow_reject),
	{:ok, activity} <-
	ActivityPub.reject(%{
	to: follow_activity.data["to"],
	type: "Reject",
	actor: followed,
	object: follow_activity.data["id"],
	local: false,
	activity_id: id
	}) do
	{:ok, activity}
	else
	_e -> :error
	end
	end

	@misskey_reactions %{
	"like" => "👍",
	"love" => "❤️",
	"laugh" => "😆",
	"hmm" => "🤔",
	"surprise" => "😮",
	"congrats" => "🎉",
	"angry" => "💢",
	"confused" => "😥",
	"rip" => "😇",
	"pudding" => "🍮",
	"star" => "⭐"
	}

	@doc "Rewrite misskey likes into EmojiReacts"
	def handle_incoming(
	%{
	"type" => "Like",
	"_misskey_reaction" => reaction
	} = data,
	options
	) do
	data
	\|> Map.put("type", "EmojiReact")
	\|> Map.put("content", @misskey_reactions[reaction] \|\| reaction)
	\|> handle_incoming(options)
	end

	def handle_incoming(
	%{"type" => "Create", "object" => %{"type" => "ChatMessage"}} = data,
	_options
	) do
	with {:ok, %User{}} <- ObjectValidator.fetch_actor(data),
	{:ok, activity, _} <- Pipeline.common_pipeline(data, local: false) do
	{:ok, activity}
	end
	end

	def handle_incoming(%{"type" => type} = data, _options)
	when type in ["Like", "EmojiReact", "Announce"] do
	with :ok <- ObjectValidator.fetch_actor_and_object(data),
	{:ok, activity, _meta} <-
	Pipeline.common_pipeline(data, local: false) do
	{:ok, activity}
	else
	e -> {:error, e}
	end
	end

	def handle_incoming(
	- %{"type" => "Update", "object" => %{"type" => object_type} = object, "actor" => actor_id} =
	- data,
	+ %{"type" => "Update"} = 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)
	-
	- actor
	- \|> User.remote_user_changeset(new_user_data)
	- \|> User.update_and_set_cache()
	-
	- ActivityPub.update(%{
	- local: false,
	- to: data["to"] \|\| [],
	- cc: data["cc"] \|\| [],
	- object: object,
	- actor: actor_id,
	- activity_id: data["id"]
	- })
	- else
	- e ->
	- Logger.error(e)
	- :error
	+ ) do
	+ with {:ok, %User{}} <- ObjectValidator.fetch_actor(data),
	+ {:ok, activity, _} <- Pipeline.common_pipeline(data, local: false) do
	+ {:ok, activity}
	end
	end

	def handle_incoming(
	%{"type" => "Delete"} = data,
	_options
	) do
	with {:ok, activity, _} <- Pipeline.common_pipeline(data, local: false) do
	{:ok, activity}
	else
	{:error, {:validate_object, _}} = e ->
	# Check if we have a create activity for this
	with {:ok, object_id} <- ObjectValidators.ObjectID.cast(data["object"]),
	%Activity{data: %{"actor" => actor}} <-
	Activity.create_by_object_ap_id(object_id) \|> Repo.one(),
	# We have one, insert a tombstone and retry
	{:ok, tombstone_data, _} <- Builder.tombstone(actor, object_id),
	{:ok, _tombstone} <- Object.create(tombstone_data) do
	handle_incoming(data)
	else
	_ -> e
	end
	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" => type}
	} = data,
	_options
	)
	when type in ["Like", "EmojiReact", "Announce", "Block"] do
	with {:ok, activity, _} <- Pipeline.common_pipeline(data, local: false) do
	{:ok, activity}
	end
	end

	# For Undos that don't have the complete object attached, try to find it in our database.
	def handle_incoming(
	%{
	"type" => "Undo",
	"object" => object
	} = activity,
	options
	)
	when is_binary(object) do
	with %Activity{data: data} <- Activity.get_by_ap_id(object) do
	activity
	\|> Map.put("object", data)
	\|> handle_incoming(options)
	else
	_e -> :error
	end
	end

	def handle_incoming(
	%{"type" => "Block", "object" => blocked, "actor" => blocker, "id" => id} = _data,
	_options
	) do
	with %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" => "Move",
	"actor" => origin_actor,
	"object" => origin_actor,
	"target" => target_actor
	},
	_options
	) do
	with %User{} = origin_user <- User.get_cached_by_ap_id(origin_actor),
	{:ok, %User{} = target_user} <- User.get_or_fetch_by_ap_id(target_actor),
	true <- origin_actor in target_user.also_known_as do
	ActivityPub.move(origin_user, target_user, false)
	else
	_e -> :error
	end
	end

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

	@spec get_obj_helper(String.t(), Keyword.t()) :: {:ok, Object.t()} \| nil
	def get_obj_helper(id, options \\ []) do
	case Object.normalize(id, true, options) do
	%Object{} = object -> {:ok, object}
	_ -> nil
	end
	end

	@spec get_embedded_obj_helper(String.t() \| Object.t(), User.t()) :: {:ok, Object.t()} \| nil
	def get_embedded_obj_helper(%{"attributedTo" => attributed_to, "id" => object_id} = data, %User{
	ap_id: ap_id
	})
	when attributed_to == ap_id do
	with {:ok, activity} <-
	handle_incoming(%{
	"type" => "Create",
	"to" => data["to"],
	"cc" => data["cc"],
	"actor" => attributed_to,
	"object" => data
	}) do
	{:ok, Object.normalize(activity)}
	else
	_ -> get_obj_helper(object_id)
	end
	end

	def get_embedded_obj_helper(object_id, _) do
	get_obj_helper(object_id)
	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

	@doc """
	Serialized Mastodon-compatible `replies` collection containing _self-replies_.
	Based on Mastodon's ActivityPub::NoteSerializer#replies.
	"""
	def set_replies(obj_data) do
	replies_uris =
	with limit when limit > 0 <-
	Pleroma.Config.get([:activitypub, :note_replies_output_limit], 0),
	%Object{} = object <- Object.get_cached_by_ap_id(obj_data["id"]) do
	object
	\|> Object.self_replies()
	\|> select([o], fragment("?->>'id'", o.data))
	\|> limit(^limit)
	\|> Repo.all()
	else
	_ -> []
	end

	set_replies(obj_data, replies_uris)
	end

	defp set_replies(obj, []) do
	obj
	end

	defp set_replies(obj, replies_uris) do
	replies_collection = %{
	"type" => "Collection",
	"items" => replies_uris
	}

	Map.merge(obj, %{"replies" => replies_collection})
	end

	def replies(%{"replies" => %{"first" => %{"items" => items}}}) when not is_nil(items) do
	items
	end

	def replies(%{"replies" => %{"items" => items}}) when not is_nil(items) do
	items
	end

	def replies(_), do: []

	# 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
	\|> prepare_attachments
	\|> set_conversation
	\|> set_reply_to_uri
	\|> set_replies
	\|> strip_internal_fields
	\|> strip_internal_tags
	\|> set_type
	end

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

	def prepare_outgoing(%{"type" => activity_type, "object" => object_id} = data)
	when activity_type in ["Create", "Listen"] do
	object =
	object_id
	\|> Object.normalize()
	\|> Map.get(:data)
	\|> prepare_object

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

	{:ok, data}
	end

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

	data =
	if Visibility.is_private?(object) && object.data["actor"] == ap_id do
	data \|> Map.put("object", object \|> Map.get(:data) \|> prepare_object)
	else
	data \|> maybe_fix_object_url
	end

	data =
	data
	\|> strip_internal_fields
	\|> Map.merge(Utils.make_json_ld_header())
	\|> Map.delete("bcc")

	{: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(%{"object" => object} = data) when is_binary(object) do
	with false <- String.starts_with?(object, "http"),
	{:fetch, {:ok, relative_object}} <- {:fetch, get_obj_helper(object)},
	%{data: %{"external_url" => external_url}} when not is_nil(external_url) <-
	relative_object do
	Map.put(data, "object", external_url)
	else
	{:fetch, e} ->
	Logger.error("Couldn't fetch #{object} #{inspect(e)}")
	data

	_ ->
	data
	end
	end

	def maybe_fix_object_url(data), do: data

	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)

	Map.put(object, "tag", tags)
	end

	# TODO These should be added on our side on insertion, it doesn't make much
	# sense to regenerate these all the time
	def add_mention_tags(object) do
	to = object["to"] \|\| []
	cc = object["cc"] \|\| []
	mentioned = User.get_users_from_set(to ++ cc, local_only: false)

	mentions = Enum.map(mentioned, &build_mention_tag/1)

	tags = object["tag"] \|\| []
	Map.put(object, "tag", tags ++ mentions)
	end

	defp build_mention_tag(%{ap_id: ap_id, nickname: nickname} = _) do
	%{"type" => "Mention", "href" => ap_id, "name" => "@#{nickname}"}
	end

	def take_emoji_tags(%User{emoji: emoji}) do
	emoji
	\|> Map.to_list()
	\|> Enum.map(&build_emoji_tag/1)
	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 = Enum.map(emoji, &build_emoji_tag/1)

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

	def add_emoji_tags(object), do: object

	defp build_emoji_tag({name, url}) do
	%{
	"icon" => %{"url" => url, "type" => "Image"},
	"name" => ":" <> name <> ":",
	"type" => "Emoji",
	"updated" => "1970-01-01T00:00:00Z",
	"id" => url
	}
	end

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

	def set_sensitive(%{"sensitive" => true} = object) do
	object
	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"]
	Map.put(object, "attributedTo", attributed_to)
	end

	# TODO: Revisit this
	def prepare_attachments(%{"type" => "ChatMessage"} = object), do: object

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

	%{
	"url" => href,
	"mediaType" => media_type,
	"name" => data["name"],
	"type" => "Document"
	}
	end)

	Map.put(object, "attachment", attachments)
	end

	def strip_internal_fields(object) do
	Map.drop(object, Pleroma.Constants.object_internal_fields())
	end

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

	Map.put(object, "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})

	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([])
	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),
	{:ok, user} <- update_user(user, data) do
	TransmogrifierWorker.enqueue("user_upgrade", %{"user_id" => user.id})
	{:ok, user}
	else
	%User{} = user -> {:ok, user}
	e -> e
	end
	end

	defp update_user(user, data) do
	user
	\|> User.remote_user_changeset(data)
	\|> User.update_and_set_cache()
	end

	def maybe_fix_user_url(%{"url" => url} = data) when is_map(url) do
	Map.put(data, "url", url["href"])
	end

	def maybe_fix_user_url(data), do: data

	def maybe_fix_user_object(data), do: maybe_fix_user_url(data)
	end
	diff --git a/lib/pleroma/web/mastodon_api/controllers/account_controller.ex b/lib/pleroma/web/mastodon_api/controllers/account_controller.ex
	index d50e7c5dd..7a88a847c 100644
	--- a/lib/pleroma/web/mastodon_api/controllers/account_controller.ex
	+++ b/lib/pleroma/web/mastodon_api/controllers/account_controller.ex
	@@ -1,428 +1,435 @@
	# Pleroma: A lightweight social networking server
	# Copyright © 2017-2020 Pleroma Authors <https://pleroma.social/>
	# SPDX-License-Identifier: AGPL-3.0-only

	defmodule Pleroma.Web.MastodonAPI.AccountController do
	use Pleroma.Web, :controller

	import Pleroma.Web.ControllerHelper,
	only: [
	add_link_headers: 2,
	truthy_param?: 1,
	assign_account_by_id: 2,
	embed_relationships?: 1,
	json_response: 3
	]

	alias Pleroma.Maps
	alias Pleroma.Plugs.EnsurePublicOrAuthenticatedPlug
	alias Pleroma.Plugs.OAuthScopesPlug
	alias Pleroma.Plugs.RateLimiter
	alias Pleroma.User
	alias Pleroma.Web.ActivityPub.ActivityPub
	+ alias Pleroma.Web.ActivityPub.Builder
	+ alias Pleroma.Web.ActivityPub.Pipeline
	alias Pleroma.Web.CommonAPI
	alias Pleroma.Web.MastodonAPI.ListView
	alias Pleroma.Web.MastodonAPI.MastodonAPI
	alias Pleroma.Web.MastodonAPI.MastodonAPIController
	alias Pleroma.Web.MastodonAPI.StatusView
	alias Pleroma.Web.OAuth.Token
	alias Pleroma.Web.TwitterAPI.TwitterAPI

	plug(Pleroma.Web.ApiSpec.CastAndValidate)

	plug(:skip_plug, [OAuthScopesPlug, EnsurePublicOrAuthenticatedPlug] when action == :create)

	plug(:skip_plug, EnsurePublicOrAuthenticatedPlug when action in [:show, :statuses])

	plug(
	OAuthScopesPlug,
	%{fallback: :proceed_unauthenticated, scopes: ["read:accounts"]}
	when action in [:show, :followers, :following]
	)

	plug(
	OAuthScopesPlug,
	%{fallback: :proceed_unauthenticated, scopes: ["read:statuses"]}
	when action == :statuses
	)

	plug(
	OAuthScopesPlug,
	%{scopes: ["read:accounts"]}
	when action in [:verify_credentials, :endorsements, :identity_proofs]
	)

	plug(OAuthScopesPlug, %{scopes: ["write:accounts"]} when action == :update_credentials)

	plug(OAuthScopesPlug, %{scopes: ["read:lists"]} when action == :lists)

	plug(
	OAuthScopesPlug,
	%{scopes: ["follow", "read:blocks"]} when action == :blocks
	)

	plug(
	OAuthScopesPlug,
	%{scopes: ["follow", "write:blocks"]} when action in [:block, :unblock]
	)

	plug(OAuthScopesPlug, %{scopes: ["read:follows"]} when action == :relationships)

	plug(
	OAuthScopesPlug,
	%{scopes: ["follow", "write:follows"]} when action in [:follow_by_uri, :follow, :unfollow]
	)

	plug(OAuthScopesPlug, %{scopes: ["follow", "read:mutes"]} when action == :mutes)

	plug(OAuthScopesPlug, %{scopes: ["follow", "write:mutes"]} when action in [:mute, :unmute])

	@relationship_actions [:follow, :unfollow]
	@needs_account ~W(followers following lists follow unfollow mute unmute block unblock)a

	plug(
	RateLimiter,
	[name: :relation_id_action, params: [:id, :uri]] when action in @relationship_actions
	)

	plug(RateLimiter, [name: :relations_actions] when action in @relationship_actions)
	plug(RateLimiter, [name: :app_account_creation] when action == :create)
	plug(:assign_account_by_id when action in @needs_account)

	action_fallback(Pleroma.Web.MastodonAPI.FallbackController)

	defdelegate open_api_operation(action), to: Pleroma.Web.ApiSpec.AccountOperation

	@doc "POST /api/v1/accounts"
	def create(%{assigns: %{app: app}, body_params: params} = conn, _params) do
	with :ok <- validate_email_param(params),
	:ok <- TwitterAPI.validate_captcha(app, params),
	{:ok, user} <- TwitterAPI.register_user(params, need_confirmation: true),
	{:ok, token} <- Token.create_token(app, user, %{scopes: app.scopes}) do
	json(conn, %{
	token_type: "Bearer",
	access_token: token.token,
	scope: app.scopes,
	created_at: Token.Utils.format_created_at(token)
	})
	else
	{:error, error} -> json_response(conn, :bad_request, %{error: error})
	end
	end

	def create(%{assigns: %{app: _app}} = conn, _) do
	render_error(conn, :bad_request, "Missing parameters")
	end

	def create(conn, _) do
	render_error(conn, :forbidden, "Invalid credentials")
	end

	defp validate_email_param(%{email: email}) when not is_nil(email), do: :ok

	defp validate_email_param(_) do
	case Pleroma.Config.get([:instance, :account_activation_required]) do
	true -> {:error, dgettext("errors", "Missing parameter: %{name}", name: "email")}
	_ -> :ok
	end
	end

	@doc "GET /api/v1/accounts/verify_credentials"
	def verify_credentials(%{assigns: %{user: user}} = conn, _) do
	chat_token = Phoenix.Token.sign(conn, "user socket", user.id)

	render(conn, "show.json",
	user: user,
	for: user,
	with_pleroma_settings: true,
	with_chat_token: chat_token
	)
	end

	@doc "PATCH /api/v1/accounts/update_credentials"
	def update_credentials(%{assigns: %{user: user}, body_params: params} = conn, _params) do
	params =
	params
	\|> Enum.filter(fn {_, value} -> not is_nil(value) end)
	\|> Enum.into(%{})

	user_params =
	[
	:no_rich_text,
	:locked,
	:hide_followers_count,
	:hide_follows_count,
	:hide_followers,
	:hide_follows,
	:hide_favorites,
	:show_role,
	:skip_thread_containment,
	:allow_following_move,
	:discoverable
	]
	\|> Enum.reduce(%{}, fn key, acc ->
	Maps.put_if_present(acc, key, params[key], &{:ok, truthy_param?(&1)})
	end)
	\|> Maps.put_if_present(:name, params[:display_name])
	\|> Maps.put_if_present(:bio, params[:note])
	\|> Maps.put_if_present(:raw_bio, params[:note])
	\|> Maps.put_if_present(:avatar, params[:avatar])
	\|> Maps.put_if_present(:banner, params[:header])
	\|> Maps.put_if_present(:background, params[:pleroma_background_image])
	\|> Maps.put_if_present(
	:raw_fields,
	params[:fields_attributes],
	&{:ok, normalize_fields_attributes(&1)}
	)
	\|> Maps.put_if_present(:pleroma_settings_store, params[:pleroma_settings_store])
	\|> Maps.put_if_present(:default_scope, params[:default_scope])
	\|> Maps.put_if_present(:default_scope, params["source"]["privacy"])
	\|> Maps.put_if_present(:actor_type, params[:bot], fn bot ->
	if bot, do: {:ok, "Service"}, else: {:ok, "Person"}
	end)
	\|> Maps.put_if_present(:actor_type, params[:actor_type])

	- changeset = User.update_changeset(user, user_params)
	-
	- with {:ok, user} <- User.update_and_set_cache(changeset) do
	- user
	- \|> build_update_activity_params()
	- \|> ActivityPub.update()
	-
	- render(conn, "show.json", user: user, for: user, with_pleroma_settings: true)
	+ # What happens here:
	+ #
	+ # We want to update the user through the pipeline, but the ActivityPub
	+ # update information is not quite enough for this, because this also
	+ # contains local settings that don't federate and don't even appear
	+ # in the Update activity.
	+ #
	+ # So we first build the normal local changeset, then apply it to the
	+ # user data, but don't persist it. With this, we generate the object
	+ # data for our update activity. We feed this and the changeset as meta
	+ # inforation into the pipeline, where they will be properly updated and
	+ # federated.
	+ with changeset <- User.update_changeset(user, user_params),
	+ {:ok, unpersisted_user} <- Ecto.Changeset.apply_action(changeset, :update),
	+ updated_object <-
	+ Pleroma.Web.ActivityPub.UserView.render("user.json", user: user)
	+ \|> Map.delete("@context"),
	+ {:ok, update_data, []} <- Builder.update(user, updated_object),
	+ {:ok, _update, _} <-
	+ Pipeline.common_pipeline(update_data,
	+ local: true,
	+ user_update_changeset: changeset
	+ ) do
	+ render(conn, "show.json",
	+ user: unpersisted_user,
	+ for: unpersisted_user,
	+ with_pleroma_settings: true
	+ )
	else
	_e -> render_error(conn, :forbidden, "Invalid request")
	end
	end

	- # Hotfix, handling will be redone with the pipeline
	- defp build_update_activity_params(user) do
	- object =
	- Pleroma.Web.ActivityPub.UserView.render("user.json", user: user)
	- \|> Map.delete("@context")
	-
	- %{
	- local: true,
	- to: [user.follower_address],
	- cc: [],
	- object: object,
	- actor: user.ap_id
	- }
	- end
	-
	defp normalize_fields_attributes(fields) do
	if Enum.all?(fields, &is_tuple/1) do
	Enum.map(fields, fn {_, v} -> v end)
	else
	Enum.map(fields, fn
	%{} = field -> %{"name" => field.name, "value" => field.value}
	field -> field
	end)
	end
	end

	@doc "GET /api/v1/accounts/relationships"
	def relationships(%{assigns: %{user: user}} = conn, %{id: id}) do
	targets = User.get_all_by_ids(List.wrap(id))

	render(conn, "relationships.json", user: user, targets: targets)
	end

	# Instead of returning a 400 when no "id" params is present, Mastodon returns an empty array.
	def relationships(%{assigns: %{user: _user}} = conn, _), do: json(conn, [])

	@doc "GET /api/v1/accounts/:id"
	def show(%{assigns: %{user: for_user}} = conn, %{id: nickname_or_id}) do
	with %User{} = user <- User.get_cached_by_nickname_or_id(nickname_or_id, for: for_user),
	:visible <- User.visible_for(user, for_user) do
	render(conn, "show.json", user: user, for: for_user)
	else
	error -> user_visibility_error(conn, error)
	end
	end

	@doc "GET /api/v1/accounts/:id/statuses"
	def statuses(%{assigns: %{user: reading_user}} = conn, params) do
	with %User{} = user <- User.get_cached_by_nickname_or_id(params.id, for: reading_user),
	:visible <- User.visible_for(user, reading_user) do
	params =
	params
	\|> Map.delete(:tagged)
	\|> Map.put(:tag, params[:tagged])

	activities = ActivityPub.fetch_user_activities(user, reading_user, params)

	conn
	\|> add_link_headers(activities)
	\|> put_view(StatusView)
	\|> render("index.json",
	activities: activities,
	for: reading_user,
	as: :activity
	)
	else
	error -> user_visibility_error(conn, error)
	end
	end

	defp user_visibility_error(conn, error) do
	case error do
	:restrict_unauthenticated ->
	render_error(conn, :unauthorized, "This API requires an authenticated user")

	_ ->
	render_error(conn, :not_found, "Can't find user")
	end
	end

	@doc "GET /api/v1/accounts/:id/followers"
	def followers(%{assigns: %{user: for_user, account: user}} = conn, params) do
	params =
	params
	\|> Enum.map(fn {key, value} -> {to_string(key), value} end)
	\|> Enum.into(%{})

	followers =
	cond do
	for_user && user.id == for_user.id -> MastodonAPI.get_followers(user, params)
	user.hide_followers -> []
	true -> MastodonAPI.get_followers(user, params)
	end

	conn
	\|> add_link_headers(followers)
	# https://git.pleroma.social/pleroma/pleroma-fe/-/issues/838#note_59223
	\|> render("index.json",
	for: for_user,
	users: followers,
	as: :user,
	embed_relationships: embed_relationships?(params)
	)
	end

	@doc "GET /api/v1/accounts/:id/following"
	def following(%{assigns: %{user: for_user, account: user}} = conn, params) do
	params =
	params
	\|> Enum.map(fn {key, value} -> {to_string(key), value} end)
	\|> Enum.into(%{})

	followers =
	cond do
	for_user && user.id == for_user.id -> MastodonAPI.get_friends(user, params)
	user.hide_follows -> []
	true -> MastodonAPI.get_friends(user, params)
	end

	conn
	\|> add_link_headers(followers)
	# https://git.pleroma.social/pleroma/pleroma-fe/-/issues/838#note_59223
	\|> render("index.json",
	for: for_user,
	users: followers,
	as: :user,
	embed_relationships: embed_relationships?(params)
	)
	end

	@doc "GET /api/v1/accounts/:id/lists"
	def lists(%{assigns: %{user: user, account: account}} = conn, _params) do
	lists = Pleroma.List.get_lists_account_belongs(user, account)

	conn
	\|> put_view(ListView)
	\|> render("index.json", lists: lists)
	end

	@doc "POST /api/v1/accounts/:id/follow"
	def follow(%{assigns: %{user: %{id: id}, account: %{id: id}}}, _params) do
	{:error, "Can not follow yourself"}
	end

	def follow(%{assigns: %{user: follower, account: followed}} = conn, params) do
	with {:ok, follower} <- MastodonAPI.follow(follower, followed, params) do
	render(conn, "relationship.json", user: follower, target: followed)
	else
	{:error, message} -> json_response(conn, :forbidden, %{error: message})
	end
	end

	@doc "POST /api/v1/accounts/:id/unfollow"
	def unfollow(%{assigns: %{user: %{id: id}, account: %{id: id}}}, _params) do
	{:error, "Can not unfollow yourself"}
	end

	def unfollow(%{assigns: %{user: follower, account: followed}} = conn, _params) do
	with {:ok, follower} <- CommonAPI.unfollow(follower, followed) do
	render(conn, "relationship.json", user: follower, target: followed)
	end
	end

	@doc "POST /api/v1/accounts/:id/mute"
	def mute(%{assigns: %{user: muter, account: muted}, body_params: params} = conn, _params) do
	with {:ok, _user_relationships} <- User.mute(muter, muted, params.notifications) do
	render(conn, "relationship.json", user: muter, target: muted)
	else
	{:error, message} -> json_response(conn, :forbidden, %{error: message})
	end
	end

	@doc "POST /api/v1/accounts/:id/unmute"
	def unmute(%{assigns: %{user: muter, account: muted}} = conn, _params) do
	with {:ok, _user_relationships} <- User.unmute(muter, muted) do
	render(conn, "relationship.json", user: muter, target: muted)
	else
	{:error, message} -> json_response(conn, :forbidden, %{error: message})
	end
	end

	@doc "POST /api/v1/accounts/:id/block"
	def block(%{assigns: %{user: blocker, account: blocked}} = conn, _params) do
	with {:ok, _user_block} <- User.block(blocker, blocked),
	{:ok, _activity} <- ActivityPub.block(blocker, blocked) do
	render(conn, "relationship.json", user: blocker, target: blocked)
	else
	{:error, message} -> json_response(conn, :forbidden, %{error: message})
	end
	end

	@doc "POST /api/v1/accounts/:id/unblock"
	def unblock(%{assigns: %{user: blocker, account: blocked}} = conn, _params) do
	with {:ok, _activity} <- CommonAPI.unblock(blocker, blocked) do
	render(conn, "relationship.json", user: blocker, target: blocked)
	else
	{:error, message} -> json_response(conn, :forbidden, %{error: message})
	end
	end

	@doc "POST /api/v1/follows"
	def follow_by_uri(%{body_params: %{uri: uri}} = conn, _) do
	case User.get_cached_by_nickname(uri) do
	%User{} = user ->
	conn
	\|> assign(:account, user)
	\|> follow(%{})

	nil ->
	{:error, :not_found}
	end
	end

	@doc "GET /api/v1/mutes"
	def mutes(%{assigns: %{user: user}} = conn, _) do
	users = User.muted_users(user, _restrict_deactivated = true)
	render(conn, "index.json", users: users, for: user, as: :user)
	end

	@doc "GET /api/v1/blocks"
	def blocks(%{assigns: %{user: user}} = conn, _) do
	users = User.blocked_users(user, _restrict_deactivated = true)
	render(conn, "index.json", users: users, for: user, as: :user)
	end

	@doc "GET /api/v1/endorsements"
	def endorsements(conn, params), do: MastodonAPIController.empty_array(conn, params)

	@doc "GET /api/v1/identity_proofs"
	def identity_proofs(conn, params), do: MastodonAPIController.empty_array(conn, params)
	end
	diff --git a/test/web/activity_pub/activity_pub_controller_test.exs b/test/web/activity_pub/activity_pub_controller_test.exs
	index e490a5744..e722f7c04 100644
	--- a/test/web/activity_pub/activity_pub_controller_test.exs
	+++ b/test/web/activity_pub/activity_pub_controller_test.exs
	@@ -1,1491 +1,1495 @@
	# Pleroma: A lightweight social networking server
	# Copyright © 2017-2020 Pleroma Authors <https://pleroma.social/>
	# SPDX-License-Identifier: AGPL-3.0-only

	defmodule Pleroma.Web.ActivityPub.ActivityPubControllerTest do
	use Pleroma.Web.ConnCase
	use Oban.Testing, repo: Pleroma.Repo

	alias Pleroma.Activity
	alias Pleroma.Config
	alias Pleroma.Delivery
	alias Pleroma.Instances
	alias Pleroma.Object
	alias Pleroma.Tests.ObanHelpers
	alias Pleroma.User
	alias Pleroma.Web.ActivityPub.ActivityPub
	alias Pleroma.Web.ActivityPub.ObjectView
	alias Pleroma.Web.ActivityPub.Relay
	alias Pleroma.Web.ActivityPub.UserView
	alias Pleroma.Web.ActivityPub.Utils
	alias Pleroma.Web.CommonAPI
	alias Pleroma.Web.Endpoint
	alias Pleroma.Workers.ReceiverWorker

	import Pleroma.Factory

	require Pleroma.Constants

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

	setup do: clear_config([:instance, :federating], true)

	describe "/relay" do
	setup do: clear_config([:instance, :allow_relay])

	test "with the relay active, it returns the relay user", %{conn: conn} do
	res =
	conn
	\|> get(activity_pub_path(conn, :relay))
	\|> json_response(200)

	assert res["id"] =~ "/relay"
	end

	test "with the relay disabled, it returns 404", %{conn: conn} do
	Config.put([:instance, :allow_relay], false)

	conn
	\|> get(activity_pub_path(conn, :relay))
	\|> json_response(404)
	end

	test "on non-federating instance, it returns 404", %{conn: conn} do
	Config.put([:instance, :federating], false)
	user = insert(:user)

	conn
	\|> assign(:user, user)
	\|> get(activity_pub_path(conn, :relay))
	\|> json_response(404)
	end
	end

	describe "/internal/fetch" do
	test "it returns the internal fetch user", %{conn: conn} do
	res =
	conn
	\|> get(activity_pub_path(conn, :internal_fetch))
	\|> json_response(200)

	assert res["id"] =~ "/fetch"
	end

	test "on non-federating instance, it returns 404", %{conn: conn} do
	Config.put([:instance, :federating], false)
	user = insert(:user)

	conn
	\|> assign(:user, user)
	\|> get(activity_pub_path(conn, :internal_fetch))
	\|> json_response(404)
	end
	end

	describe "/users/:nickname" do
	test "it returns a json representation of the user with accept application/json", %{
	conn: conn
	} do
	user = insert(:user)

	conn =
	conn
	\|> put_req_header("accept", "application/json")
	\|> get("/users/#{user.nickname}")

	user = User.get_cached_by_id(user.id)

	assert json_response(conn, 200) == UserView.render("user.json", %{user: user})
	end

	test "it returns a json representation of the user with accept application/activity+json", %{
	conn: conn
	} do
	user = insert(:user)

	conn =
	conn
	\|> put_req_header("accept", "application/activity+json")
	\|> get("/users/#{user.nickname}")

	user = User.get_cached_by_id(user.id)

	assert json_response(conn, 200) == UserView.render("user.json", %{user: user})
	end

	test "it returns a json representation of the user with accept application/ld+json", %{
	conn: conn
	} do
	user = insert(:user)

	conn =
	conn
	\|> put_req_header(
	"accept",
	"application/ld+json; profile=\"https://www.w3.org/ns/activitystreams\""
	)
	\|> get("/users/#{user.nickname}")

	user = User.get_cached_by_id(user.id)

	assert json_response(conn, 200) == UserView.render("user.json", %{user: user})
	end

	test "it returns 404 for remote users", %{
	conn: conn
	} do
	user = insert(:user, local: false, nickname: "remoteuser@example.com")

	conn =
	conn
	\|> put_req_header("accept", "application/json")
	\|> get("/users/#{user.nickname}.json")

	assert json_response(conn, 404)
	end

	test "it returns error when user is not found", %{conn: conn} do
	response =
	conn
	\|> put_req_header("accept", "application/json")
	\|> get("/users/jimm")
	\|> json_response(404)

	assert response == "Not found"
	end

	test "it requires authentication if instance is NOT federating", %{
	conn: conn
	} do
	user = insert(:user)

	conn =
	put_req_header(
	conn,
	"accept",
	"application/ld+json; profile=\"https://www.w3.org/ns/activitystreams\""
	)

	ensure_federating_or_authenticated(conn, "/users/#{user.nickname}.json", user)
	end
	end

	describe "mastodon compatibility routes" do
	test "it returns a json representation of the object with accept application/json", %{
	conn: conn
	} do
	{:ok, object} =
	%{
	"type" => "Note",
	"content" => "hey",
	"id" => Endpoint.url() <> "/users/raymoo/statuses/999999999",
	"actor" => Endpoint.url() <> "/users/raymoo",
	"to" => [Pleroma.Constants.as_public()]
	}
	\|> Object.create()

	conn =
	conn
	\|> put_req_header("accept", "application/json")
	\|> get("/users/raymoo/statuses/999999999")

	assert json_response(conn, 200) == ObjectView.render("object.json", %{object: object})
	end

	test "it returns a json representation of the activity with accept application/json", %{
	conn: conn
	} do
	{:ok, object} =
	%{
	"type" => "Note",
	"content" => "hey",
	"id" => Endpoint.url() <> "/users/raymoo/statuses/999999999",
	"actor" => Endpoint.url() <> "/users/raymoo",
	"to" => [Pleroma.Constants.as_public()]
	}
	\|> Object.create()

	{:ok, activity, _} =
	%{
	"id" => object.data["id"] <> "/activity",
	"type" => "Create",
	"object" => object.data["id"],
	"actor" => object.data["actor"],
	"to" => object.data["to"]
	}
	\|> ActivityPub.persist(local: true)

	conn =
	conn
	\|> put_req_header("accept", "application/json")
	\|> get("/users/raymoo/statuses/999999999/activity")

	assert json_response(conn, 200) == ObjectView.render("object.json", %{object: activity})
	end
	end

	describe "/objects/:uuid" do
	test "it returns a json representation of the object with accept application/json", %{
	conn: conn
	} do
	note = insert(:note)
	uuid = String.split(note.data["id"], "/") \|> List.last()

	conn =
	conn
	\|> put_req_header("accept", "application/json")
	\|> get("/objects/#{uuid}")

	assert json_response(conn, 200) == ObjectView.render("object.json", %{object: note})
	end

	test "it returns a json representation of the object with accept application/activity+json",
	%{conn: conn} do
	note = insert(:note)
	uuid = String.split(note.data["id"], "/") \|> List.last()

	conn =
	conn
	\|> put_req_header("accept", "application/activity+json")
	\|> get("/objects/#{uuid}")

	assert json_response(conn, 200) == ObjectView.render("object.json", %{object: note})
	end

	test "it returns a json representation of the object with accept application/ld+json", %{
	conn: conn
	} do
	note = insert(:note)
	uuid = String.split(note.data["id"], "/") \|> List.last()

	conn =
	conn
	\|> put_req_header(
	"accept",
	"application/ld+json; profile=\"https://www.w3.org/ns/activitystreams\""
	)
	\|> get("/objects/#{uuid}")

	assert json_response(conn, 200) == ObjectView.render("object.json", %{object: note})
	end

	test "it returns 404 for non-public messages", %{conn: conn} do
	note = insert(:direct_note)
	uuid = String.split(note.data["id"], "/") \|> List.last()

	conn =
	conn
	\|> put_req_header("accept", "application/activity+json")
	\|> get("/objects/#{uuid}")

	assert json_response(conn, 404)
	end

	test "it returns 404 for tombstone objects", %{conn: conn} do
	tombstone = insert(:tombstone)
	uuid = String.split(tombstone.data["id"], "/") \|> List.last()

	conn =
	conn
	\|> put_req_header("accept", "application/activity+json")
	\|> get("/objects/#{uuid}")

	assert json_response(conn, 404)
	end

	test "it caches a response", %{conn: conn} do
	note = insert(:note)
	uuid = String.split(note.data["id"], "/") \|> List.last()

	conn1 =
	conn
	\|> put_req_header("accept", "application/activity+json")
	\|> get("/objects/#{uuid}")

	assert json_response(conn1, :ok)
	assert Enum.any?(conn1.resp_headers, &(&1 == {"x-cache", "MISS from Pleroma"}))

	conn2 =
	conn
	\|> put_req_header("accept", "application/activity+json")
	\|> get("/objects/#{uuid}")

	assert json_response(conn1, :ok) == json_response(conn2, :ok)
	assert Enum.any?(conn2.resp_headers, &(&1 == {"x-cache", "HIT from Pleroma"}))
	end

	test "cached purged after object deletion", %{conn: conn} do
	note = insert(:note)
	uuid = String.split(note.data["id"], "/") \|> List.last()

	conn1 =
	conn
	\|> put_req_header("accept", "application/activity+json")
	\|> get("/objects/#{uuid}")

	assert json_response(conn1, :ok)
	assert Enum.any?(conn1.resp_headers, &(&1 == {"x-cache", "MISS from Pleroma"}))

	Object.delete(note)

	conn2 =
	conn
	\|> put_req_header("accept", "application/activity+json")
	\|> get("/objects/#{uuid}")

	assert "Not found" == json_response(conn2, :not_found)
	end

	test "it requires authentication if instance is NOT federating", %{
	conn: conn
	} do
	user = insert(:user)
	note = insert(:note)
	uuid = String.split(note.data["id"], "/") \|> List.last()

	conn = put_req_header(conn, "accept", "application/activity+json")

	ensure_federating_or_authenticated(conn, "/objects/#{uuid}", user)
	end
	end

	describe "/activities/:uuid" do
	test "it returns a json representation of the activity", %{conn: conn} do
	activity = insert(:note_activity)
	uuid = String.split(activity.data["id"], "/") \|> List.last()

	conn =
	conn
	\|> put_req_header("accept", "application/activity+json")
	\|> get("/activities/#{uuid}")

	assert json_response(conn, 200) == ObjectView.render("object.json", %{object: activity})
	end

	test "it returns 404 for non-public activities", %{conn: conn} do
	activity = insert(:direct_note_activity)
	uuid = String.split(activity.data["id"], "/") \|> List.last()

	conn =
	conn
	\|> put_req_header("accept", "application/activity+json")
	\|> get("/activities/#{uuid}")

	assert json_response(conn, 404)
	end

	test "it caches a response", %{conn: conn} do
	activity = insert(:note_activity)
	uuid = String.split(activity.data["id"], "/") \|> List.last()

	conn1 =
	conn
	\|> put_req_header("accept", "application/activity+json")
	\|> get("/activities/#{uuid}")

	assert json_response(conn1, :ok)
	assert Enum.any?(conn1.resp_headers, &(&1 == {"x-cache", "MISS from Pleroma"}))

	conn2 =
	conn
	\|> put_req_header("accept", "application/activity+json")
	\|> get("/activities/#{uuid}")

	assert json_response(conn1, :ok) == json_response(conn2, :ok)
	assert Enum.any?(conn2.resp_headers, &(&1 == {"x-cache", "HIT from Pleroma"}))
	end

	test "cached purged after activity deletion", %{conn: conn} do
	user = insert(:user)
	{:ok, activity} = CommonAPI.post(user, %{status: "cofe"})

	uuid = String.split(activity.data["id"], "/") \|> List.last()

	conn1 =
	conn
	\|> put_req_header("accept", "application/activity+json")
	\|> get("/activities/#{uuid}")

	assert json_response(conn1, :ok)
	assert Enum.any?(conn1.resp_headers, &(&1 == {"x-cache", "MISS from Pleroma"}))

	Activity.delete_all_by_object_ap_id(activity.object.data["id"])

	conn2 =
	conn
	\|> put_req_header("accept", "application/activity+json")
	\|> get("/activities/#{uuid}")

	assert "Not found" == json_response(conn2, :not_found)
	end

	test "it requires authentication if instance is NOT federating", %{
	conn: conn
	} do
	user = insert(:user)
	activity = insert(:note_activity)
	uuid = String.split(activity.data["id"], "/") \|> List.last()

	conn = put_req_header(conn, "accept", "application/activity+json")

	ensure_federating_or_authenticated(conn, "/activities/#{uuid}", user)
	end
	end

	describe "/inbox" do
	test "it inserts an incoming activity into the database", %{conn: conn} do
	data = File.read!("test/fixtures/mastodon-post-activity.json") \|> Poison.decode!()

	conn =
	conn
	\|> assign(:valid_signature, true)
	\|> put_req_header("content-type", "application/activity+json")
	\|> post("/inbox", data)

	assert "ok" == json_response(conn, 200)

	ObanHelpers.perform(all_enqueued(worker: ReceiverWorker))
	assert Activity.get_by_ap_id(data["id"])
	end

	@tag capture_log: true
	test "it inserts an incoming activity into the database" <>
	"even if we can't fetch the user but have it in our db",
	%{conn: conn} do
	user =
	insert(:user,
	ap_id: "https://mastodon.example.org/users/raymoo",
	ap_enabled: true,
	local: false,
	last_refreshed_at: nil
	)

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

	conn =
	conn
	\|> assign(:valid_signature, true)
	\|> put_req_header("content-type", "application/activity+json")
	\|> post("/inbox", data)

	assert "ok" == json_response(conn, 200)

	ObanHelpers.perform(all_enqueued(worker: ReceiverWorker))
	assert Activity.get_by_ap_id(data["id"])
	end

	test "it clears `unreachable` federation status of the sender", %{conn: conn} do
	data = File.read!("test/fixtures/mastodon-post-activity.json") \|> Poison.decode!()

	sender_url = data["actor"]
	Instances.set_consistently_unreachable(sender_url)
	refute Instances.reachable?(sender_url)

	conn =
	conn
	\|> assign(:valid_signature, true)
	\|> put_req_header("content-type", "application/activity+json")
	\|> post("/inbox", data)

	assert "ok" == json_response(conn, 200)
	assert Instances.reachable?(sender_url)
	end

	test "accept follow activity", %{conn: conn} do
	Pleroma.Config.put([:instance, :federating], true)
	relay = Relay.get_actor()

	assert {:ok, %Activity{} = activity} = Relay.follow("https://relay.mastodon.host/actor")

	followed_relay = Pleroma.User.get_by_ap_id("https://relay.mastodon.host/actor")
	relay = refresh_record(relay)

	accept =
	File.read!("test/fixtures/relay/accept-follow.json")
	\|> String.replace("{{ap_id}}", relay.ap_id)
	\|> String.replace("{{activity_id}}", activity.data["id"])

	assert "ok" ==
	conn
	\|> assign(:valid_signature, true)
	\|> put_req_header("content-type", "application/activity+json")
	\|> post("/inbox", accept)
	\|> json_response(200)

	ObanHelpers.perform(all_enqueued(worker: ReceiverWorker))

	assert Pleroma.FollowingRelationship.following?(
	relay,
	followed_relay
	)

	Mix.shell(Mix.Shell.Process)

	on_exit(fn ->
	Mix.shell(Mix.Shell.IO)
	end)

	:ok = Mix.Tasks.Pleroma.Relay.run(["list"])
	assert_receive {:mix_shell, :info, ["relay.mastodon.host"]}
	end

	+ @tag capture_log: true
	test "without valid signature, " <>
	"it only accepts Create activities and requires enabled federation",
	%{conn: conn} do
	data = File.read!("test/fixtures/mastodon-post-activity.json") \|> Poison.decode!()
	non_create_data = File.read!("test/fixtures/mastodon-announce.json") \|> Poison.decode!()

	conn = put_req_header(conn, "content-type", "application/activity+json")

	Config.put([:instance, :federating], false)

	conn
	\|> post("/inbox", data)
	\|> json_response(403)

	conn
	\|> post("/inbox", non_create_data)
	\|> json_response(403)

	Config.put([:instance, :federating], true)

	ret_conn = post(conn, "/inbox", data)
	assert "ok" == json_response(ret_conn, 200)

	conn
	\|> post("/inbox", non_create_data)
	\|> json_response(400)
	end
	end

	describe "/users/:nickname/inbox" do
	setup do
	data =
	File.read!("test/fixtures/mastodon-post-activity.json")
	\|> Poison.decode!()

	[data: data]
	end

	test "it inserts an incoming activity into the database", %{conn: conn, data: data} do
	user = insert(:user)
	data = Map.put(data, "bcc", [user.ap_id])

	conn =
	conn
	\|> assign(:valid_signature, true)
	\|> put_req_header("content-type", "application/activity+json")
	\|> post("/users/#{user.nickname}/inbox", data)

	assert "ok" == json_response(conn, 200)
	ObanHelpers.perform(all_enqueued(worker: ReceiverWorker))
	assert Activity.get_by_ap_id(data["id"])
	end

	test "it accepts messages with to as string instead of array", %{conn: conn, data: data} do
	user = insert(:user)

	data =
	Map.put(data, "to", user.ap_id)
	\|> Map.delete("cc")

	conn =
	conn
	\|> assign(:valid_signature, true)
	\|> put_req_header("content-type", "application/activity+json")
	\|> post("/users/#{user.nickname}/inbox", data)

	assert "ok" == json_response(conn, 200)
	ObanHelpers.perform(all_enqueued(worker: ReceiverWorker))
	assert Activity.get_by_ap_id(data["id"])
	end

	test "it accepts messages with cc as string instead of array", %{conn: conn, data: data} do
	user = insert(:user)

	data =
	Map.put(data, "cc", user.ap_id)
	\|> Map.delete("to")

	conn =
	conn
	\|> assign(:valid_signature, true)
	\|> put_req_header("content-type", "application/activity+json")
	\|> post("/users/#{user.nickname}/inbox", data)

	assert "ok" == json_response(conn, 200)
	ObanHelpers.perform(all_enqueued(worker: ReceiverWorker))
	%Activity{} = activity = Activity.get_by_ap_id(data["id"])
	assert user.ap_id in activity.recipients
	end

	test "it accepts messages with bcc as string instead of array", %{conn: conn, data: data} do
	user = insert(:user)

	data =
	Map.put(data, "bcc", user.ap_id)
	\|> Map.delete("to")
	\|> Map.delete("cc")

	conn =
	conn
	\|> assign(:valid_signature, true)
	\|> put_req_header("content-type", "application/activity+json")
	\|> post("/users/#{user.nickname}/inbox", data)

	assert "ok" == json_response(conn, 200)
	ObanHelpers.perform(all_enqueued(worker: ReceiverWorker))
	assert Activity.get_by_ap_id(data["id"])
	end

	test "it accepts announces with to as string instead of array", %{conn: conn} do
	user = insert(:user)

	+ {:ok, post} = CommonAPI.post(user, %{status: "hey"})
	+ announcer = insert(:user, local: false)
	+
	data = %{
	"@context" => "https://www.w3.org/ns/activitystreams",
	- "actor" => "http://mastodon.example.org/users/admin",
	- "id" => "http://mastodon.example.org/users/admin/statuses/19512778738411822/activity",
	- "object" => "https://mastodon.social/users/emelie/statuses/101849165031453009",
	+ "actor" => announcer.ap_id,
	+ "id" => "#{announcer.ap_id}/statuses/19512778738411822/activity",
	+ "object" => post.data["object"],
	"to" => "https://www.w3.org/ns/activitystreams#Public",
	"cc" => [user.ap_id],
	"type" => "Announce"
	}

	conn =
	conn
	\|> assign(:valid_signature, true)
	\|> put_req_header("content-type", "application/activity+json")
	\|> post("/users/#{user.nickname}/inbox", data)

	assert "ok" == json_response(conn, 200)
	ObanHelpers.perform(all_enqueued(worker: ReceiverWorker))
	%Activity{} = activity = Activity.get_by_ap_id(data["id"])
	assert "https://www.w3.org/ns/activitystreams#Public" in activity.recipients
	end

	test "it accepts messages from actors that are followed by the user", %{
	conn: conn,
	data: data
	} do
	recipient = insert(:user)
	actor = insert(:user, %{ap_id: "http://mastodon.example.org/users/actor"})

	{:ok, recipient} = User.follow(recipient, actor)

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

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

	conn =
	conn
	\|> assign(:valid_signature, true)
	\|> put_req_header("content-type", "application/activity+json")
	\|> post("/users/#{recipient.nickname}/inbox", data)

	assert "ok" == json_response(conn, 200)
	ObanHelpers.perform(all_enqueued(worker: ReceiverWorker))
	assert Activity.get_by_ap_id(data["id"])
	end

	test "it rejects reads from other users", %{conn: conn} do
	user = insert(:user)
	other_user = insert(:user)

	conn =
	conn
	\|> assign(:user, other_user)
	\|> put_req_header("accept", "application/activity+json")
	\|> get("/users/#{user.nickname}/inbox")

	assert json_response(conn, 403)
	end

	test "it returns a note activity in a collection", %{conn: conn} do
	note_activity = insert(:direct_note_activity)
	note_object = Object.normalize(note_activity)
	user = User.get_cached_by_ap_id(hd(note_activity.data["to"]))

	conn =
	conn
	\|> assign(:user, user)
	\|> put_req_header("accept", "application/activity+json")
	\|> get("/users/#{user.nickname}/inbox?page=true")

	assert response(conn, 200) =~ note_object.data["content"]
	end

	test "it clears `unreachable` federation status of the sender", %{conn: conn, data: data} do
	user = insert(:user)
	data = Map.put(data, "bcc", [user.ap_id])

	sender_host = URI.parse(data["actor"]).host
	Instances.set_consistently_unreachable(sender_host)
	refute Instances.reachable?(sender_host)

	conn =
	conn
	\|> assign(:valid_signature, true)
	\|> put_req_header("content-type", "application/activity+json")
	\|> post("/users/#{user.nickname}/inbox", data)

	assert "ok" == json_response(conn, 200)
	assert Instances.reachable?(sender_host)
	end

	test "it removes all follower collections but actor's", %{conn: conn} do
	[actor, recipient] = insert_pair(:user)

	data =
	File.read!("test/fixtures/activitypub-client-post-activity.json")
	\|> Poison.decode!()

	object = Map.put(data["object"], "attributedTo", actor.ap_id)

	data =
	data
	\|> Map.put("id", Utils.generate_object_id())
	\|> Map.put("actor", actor.ap_id)
	\|> Map.put("object", object)
	\|> Map.put("cc", [
	recipient.follower_address,
	actor.follower_address
	])
	\|> Map.put("to", [
	recipient.ap_id,
	recipient.follower_address,
	"https://www.w3.org/ns/activitystreams#Public"
	])

	conn
	\|> assign(:valid_signature, true)
	\|> put_req_header("content-type", "application/activity+json")
	\|> post("/users/#{recipient.nickname}/inbox", data)
	\|> json_response(200)

	ObanHelpers.perform(all_enqueued(worker: ReceiverWorker))

	activity = Activity.get_by_ap_id(data["id"])

	assert activity.id
	assert actor.follower_address in activity.recipients
	assert actor.follower_address in activity.data["cc"]

	refute recipient.follower_address in activity.recipients
	refute recipient.follower_address in activity.data["cc"]
	refute recipient.follower_address in activity.data["to"]
	end

	test "it requires authentication", %{conn: conn} do
	user = insert(:user)
	conn = put_req_header(conn, "accept", "application/activity+json")

	ret_conn = get(conn, "/users/#{user.nickname}/inbox")
	assert json_response(ret_conn, 403)

	ret_conn =
	conn
	\|> assign(:user, user)
	\|> get("/users/#{user.nickname}/inbox")

	assert json_response(ret_conn, 200)
	end
	end

	describe "GET /users/:nickname/outbox" do
	test "it paginates correctly", %{conn: conn} do
	user = insert(:user)
	conn = assign(conn, :user, user)
	outbox_endpoint = user.ap_id <> "/outbox"

	_posts =
	for i <- 0..25 do
	{:ok, activity} = CommonAPI.post(user, %{status: "post #{i}"})
	activity
	end

	result =
	conn
	\|> put_req_header("accept", "application/activity+json")
	\|> get(outbox_endpoint <> "?page=true")
	\|> json_response(200)

	result_ids = Enum.map(result["orderedItems"], fn x -> x["id"] end)
	assert length(result["orderedItems"]) == 20
	assert length(result_ids) == 20
	assert result["next"]
	assert String.starts_with?(result["next"], outbox_endpoint)

	result_next =
	conn
	\|> put_req_header("accept", "application/activity+json")
	\|> get(result["next"])
	\|> json_response(200)

	result_next_ids = Enum.map(result_next["orderedItems"], fn x -> x["id"] end)
	assert length(result_next["orderedItems"]) == 6
	assert length(result_next_ids) == 6
	refute Enum.find(result_next_ids, fn x -> x in result_ids end)
	refute Enum.find(result_ids, fn x -> x in result_next_ids end)
	assert String.starts_with?(result["id"], outbox_endpoint)

	result_next_again =
	conn
	\|> put_req_header("accept", "application/activity+json")
	\|> get(result_next["id"])
	\|> json_response(200)

	assert result_next == result_next_again
	end

	test "it returns 200 even if there're no activities", %{conn: conn} do
	user = insert(:user)
	outbox_endpoint = user.ap_id <> "/outbox"

	conn =
	conn
	\|> assign(:user, user)
	\|> put_req_header("accept", "application/activity+json")
	\|> get(outbox_endpoint)

	result = json_response(conn, 200)
	assert outbox_endpoint == result["id"]
	end

	test "it returns a note activity in a collection", %{conn: conn} do
	note_activity = insert(:note_activity)
	note_object = Object.normalize(note_activity)
	user = User.get_cached_by_ap_id(note_activity.data["actor"])

	conn =
	conn
	\|> assign(:user, user)
	\|> put_req_header("accept", "application/activity+json")
	\|> get("/users/#{user.nickname}/outbox?page=true")

	assert response(conn, 200) =~ note_object.data["content"]
	end

	test "it returns an announce activity in a collection", %{conn: conn} do
	announce_activity = insert(:announce_activity)
	user = User.get_cached_by_ap_id(announce_activity.data["actor"])

	conn =
	conn
	\|> assign(:user, user)
	\|> put_req_header("accept", "application/activity+json")
	\|> get("/users/#{user.nickname}/outbox?page=true")

	assert response(conn, 200) =~ announce_activity.data["object"]
	end

	test "it requires authentication if instance is NOT federating", %{
	conn: conn
	} do
	user = insert(:user)
	conn = put_req_header(conn, "accept", "application/activity+json")

	ensure_federating_or_authenticated(conn, "/users/#{user.nickname}/outbox", user)
	end
	end

	describe "POST /users/:nickname/outbox (C2S)" do
	setup do
	[
	activity: %{
	"@context" => "https://www.w3.org/ns/activitystreams",
	"type" => "Create",
	"object" => %{"type" => "Note", "content" => "AP C2S test"},
	"to" => "https://www.w3.org/ns/activitystreams#Public",
	"cc" => []
	}
	]
	end

	test "it rejects posts from other users / unauthenticated users", %{
	conn: conn,
	activity: activity
	} do
	user = insert(:user)
	other_user = insert(:user)
	conn = put_req_header(conn, "content-type", "application/activity+json")

	conn
	\|> post("/users/#{user.nickname}/outbox", activity)
	\|> json_response(403)

	conn
	\|> assign(:user, other_user)
	\|> post("/users/#{user.nickname}/outbox", activity)
	\|> json_response(403)
	end

	test "it inserts an incoming create activity into the database", %{
	conn: conn,
	activity: activity
	} do
	user = insert(:user)

	result =
	conn
	\|> assign(:user, user)
	\|> put_req_header("content-type", "application/activity+json")
	\|> post("/users/#{user.nickname}/outbox", activity)
	\|> json_response(201)

	assert Activity.get_by_ap_id(result["id"])
	assert result["object"]
	assert %Object{data: object} = Object.normalize(result["object"])
	assert object["content"] == activity["object"]["content"]
	end

	test "it rejects anything beyond 'Note' creations", %{conn: conn, activity: activity} do
	user = insert(:user)

	activity =
	activity
	\|> put_in(["object", "type"], "Benis")

	_result =
	conn
	\|> assign(:user, user)
	\|> put_req_header("content-type", "application/activity+json")
	\|> post("/users/#{user.nickname}/outbox", activity)
	\|> json_response(400)
	end

	test "it inserts an incoming sensitive activity into the database", %{
	conn: conn,
	activity: activity
	} do
	user = insert(:user)
	conn = assign(conn, :user, user)
	object = Map.put(activity["object"], "sensitive", true)
	activity = Map.put(activity, "object", object)

	response =
	conn
	\|> put_req_header("content-type", "application/activity+json")
	\|> post("/users/#{user.nickname}/outbox", activity)
	\|> json_response(201)

	assert Activity.get_by_ap_id(response["id"])
	assert response["object"]
	assert %Object{data: response_object} = Object.normalize(response["object"])
	assert response_object["sensitive"] == true
	assert response_object["content"] == activity["object"]["content"]

	representation =
	conn
	\|> put_req_header("accept", "application/activity+json")
	\|> get(response["id"])
	\|> json_response(200)

	assert representation["object"]["sensitive"] == true
	end

	test "it rejects an incoming activity with bogus type", %{conn: conn, activity: activity} do
	user = insert(:user)
	activity = Map.put(activity, "type", "BadType")

	conn =
	conn
	\|> assign(:user, user)
	\|> put_req_header("content-type", "application/activity+json")
	\|> post("/users/#{user.nickname}/outbox", activity)

	assert json_response(conn, 400)
	end

	test "it erects a tombstone when receiving a delete activity", %{conn: conn} do
	note_activity = insert(:note_activity)
	note_object = Object.normalize(note_activity)
	user = User.get_cached_by_ap_id(note_activity.data["actor"])

	data = %{
	type: "Delete",
	object: %{
	id: note_object.data["id"]
	}
	}

	conn =
	conn
	\|> assign(:user, user)
	\|> put_req_header("content-type", "application/activity+json")
	\|> post("/users/#{user.nickname}/outbox", data)

	result = json_response(conn, 201)
	assert Activity.get_by_ap_id(result["id"])

	assert object = Object.get_by_ap_id(note_object.data["id"])
	assert object.data["type"] == "Tombstone"
	end

	test "it rejects delete activity of object from other actor", %{conn: conn} do
	note_activity = insert(:note_activity)
	note_object = Object.normalize(note_activity)
	user = insert(:user)

	data = %{
	type: "Delete",
	object: %{
	id: note_object.data["id"]
	}
	}

	conn =
	conn
	\|> assign(:user, user)
	\|> put_req_header("content-type", "application/activity+json")
	\|> post("/users/#{user.nickname}/outbox", data)

	assert json_response(conn, 400)
	end

	test "it increases like count when receiving a like action", %{conn: conn} do
	note_activity = insert(:note_activity)
	note_object = Object.normalize(note_activity)
	user = User.get_cached_by_ap_id(note_activity.data["actor"])

	data = %{
	type: "Like",
	object: %{
	id: note_object.data["id"]
	}
	}

	conn =
	conn
	\|> assign(:user, user)
	\|> put_req_header("content-type", "application/activity+json")
	\|> post("/users/#{user.nickname}/outbox", data)

	result = json_response(conn, 201)
	assert Activity.get_by_ap_id(result["id"])

	assert object = Object.get_by_ap_id(note_object.data["id"])
	assert object.data["like_count"] == 1
	end
	end

	describe "/relay/followers" do
	test "it returns relay followers", %{conn: conn} do
	relay_actor = Relay.get_actor()
	user = insert(:user)
	User.follow(user, relay_actor)

	result =
	conn
	\|> get("/relay/followers")
	\|> json_response(200)

	assert result["first"]["orderedItems"] == [user.ap_id]
	end

	test "on non-federating instance, it returns 404", %{conn: conn} do
	Config.put([:instance, :federating], false)
	user = insert(:user)

	conn
	\|> assign(:user, user)
	\|> get("/relay/followers")
	\|> json_response(404)
	end
	end

	describe "/relay/following" do
	test "it returns relay following", %{conn: conn} do
	result =
	conn
	\|> get("/relay/following")
	\|> json_response(200)

	assert result["first"]["orderedItems"] == []
	end

	test "on non-federating instance, it returns 404", %{conn: conn} do
	Config.put([:instance, :federating], false)
	user = insert(:user)

	conn
	\|> assign(:user, user)
	\|> get("/relay/following")
	\|> json_response(404)
	end
	end

	describe "/users/:nickname/followers" do
	test "it returns the followers in a collection", %{conn: conn} do
	user = insert(:user)
	user_two = insert(:user)
	User.follow(user, user_two)

	result =
	conn
	\|> assign(:user, user_two)
	\|> get("/users/#{user_two.nickname}/followers")
	\|> json_response(200)

	assert result["first"]["orderedItems"] == [user.ap_id]
	end

	test "it returns a uri if the user has 'hide_followers' set", %{conn: conn} do
	user = insert(:user)
	user_two = insert(:user, hide_followers: true)
	User.follow(user, user_two)

	result =
	conn
	\|> assign(:user, user)
	\|> get("/users/#{user_two.nickname}/followers")
	\|> json_response(200)

	assert is_binary(result["first"])
	end

	test "it returns a 403 error on pages, if the user has 'hide_followers' set and the request is from another user",
	%{conn: conn} do
	user = insert(:user)
	other_user = insert(:user, hide_followers: true)

	result =
	conn
	\|> assign(:user, user)
	\|> get("/users/#{other_user.nickname}/followers?page=1")

	assert result.status == 403
	assert result.resp_body == ""
	end

	test "it renders the page, if the user has 'hide_followers' set and the request is authenticated with the same user",
	%{conn: conn} do
	user = insert(:user, hide_followers: true)
	other_user = insert(:user)
	{:ok, _other_user, user, _activity} = CommonAPI.follow(other_user, user)

	result =
	conn
	\|> assign(:user, user)
	\|> get("/users/#{user.nickname}/followers?page=1")
	\|> json_response(200)

	assert result["totalItems"] == 1
	assert result["orderedItems"] == [other_user.ap_id]
	end

	test "it works for more than 10 users", %{conn: conn} do
	user = insert(:user)

	Enum.each(1..15, fn _ ->
	other_user = insert(:user)
	User.follow(other_user, user)
	end)

	result =
	conn
	\|> assign(:user, user)
	\|> get("/users/#{user.nickname}/followers")
	\|> json_response(200)

	assert length(result["first"]["orderedItems"]) == 10
	assert result["first"]["totalItems"] == 15
	assert result["totalItems"] == 15

	result =
	conn
	\|> assign(:user, user)
	\|> get("/users/#{user.nickname}/followers?page=2")
	\|> json_response(200)

	assert length(result["orderedItems"]) == 5
	assert result["totalItems"] == 15
	end

	test "does not require authentication", %{conn: conn} do
	user = insert(:user)

	conn
	\|> get("/users/#{user.nickname}/followers")
	\|> json_response(200)
	end
	end

	describe "/users/:nickname/following" do
	test "it returns the following in a collection", %{conn: conn} do
	user = insert(:user)
	user_two = insert(:user)
	User.follow(user, user_two)

	result =
	conn
	\|> assign(:user, user)
	\|> get("/users/#{user.nickname}/following")
	\|> json_response(200)

	assert result["first"]["orderedItems"] == [user_two.ap_id]
	end

	test "it returns a uri if the user has 'hide_follows' set", %{conn: conn} do
	user = insert(:user)
	user_two = insert(:user, hide_follows: true)
	User.follow(user, user_two)

	result =
	conn
	\|> assign(:user, user)
	\|> get("/users/#{user_two.nickname}/following")
	\|> json_response(200)

	assert is_binary(result["first"])
	end

	test "it returns a 403 error on pages, if the user has 'hide_follows' set and the request is from another user",
	%{conn: conn} do
	user = insert(:user)
	user_two = insert(:user, hide_follows: true)

	result =
	conn
	\|> assign(:user, user)
	\|> get("/users/#{user_two.nickname}/following?page=1")

	assert result.status == 403
	assert result.resp_body == ""
	end

	test "it renders the page, if the user has 'hide_follows' set and the request is authenticated with the same user",
	%{conn: conn} do
	user = insert(:user, hide_follows: true)
	other_user = insert(:user)
	{:ok, user, _other_user, _activity} = CommonAPI.follow(user, other_user)

	result =
	conn
	\|> assign(:user, user)
	\|> get("/users/#{user.nickname}/following?page=1")
	\|> json_response(200)

	assert result["totalItems"] == 1
	assert result["orderedItems"] == [other_user.ap_id]
	end

	test "it works for more than 10 users", %{conn: conn} do
	user = insert(:user)

	Enum.each(1..15, fn _ ->
	user = User.get_cached_by_id(user.id)
	other_user = insert(:user)
	User.follow(user, other_user)
	end)

	result =
	conn
	\|> assign(:user, user)
	\|> get("/users/#{user.nickname}/following")
	\|> json_response(200)

	assert length(result["first"]["orderedItems"]) == 10
	assert result["first"]["totalItems"] == 15
	assert result["totalItems"] == 15

	result =
	conn
	\|> assign(:user, user)
	\|> get("/users/#{user.nickname}/following?page=2")
	\|> json_response(200)

	assert length(result["orderedItems"]) == 5
	assert result["totalItems"] == 15
	end

	test "does not require authentication", %{conn: conn} do
	user = insert(:user)

	conn
	\|> get("/users/#{user.nickname}/following")
	\|> json_response(200)
	end
	end

	describe "delivery tracking" do
	test "it tracks a signed object fetch", %{conn: conn} do
	user = insert(:user, local: false)
	activity = insert(:note_activity)
	object = Object.normalize(activity)

	object_path = String.trim_leading(object.data["id"], Pleroma.Web.Endpoint.url())

	conn
	\|> put_req_header("accept", "application/activity+json")
	\|> assign(:user, user)
	\|> get(object_path)
	\|> json_response(200)

	assert Delivery.get(object.id, user.id)
	end

	test "it tracks a signed activity fetch", %{conn: conn} do
	user = insert(:user, local: false)
	activity = insert(:note_activity)
	object = Object.normalize(activity)

	activity_path = String.trim_leading(activity.data["id"], Pleroma.Web.Endpoint.url())

	conn
	\|> put_req_header("accept", "application/activity+json")
	\|> assign(:user, user)
	\|> get(activity_path)
	\|> json_response(200)

	assert Delivery.get(object.id, user.id)
	end

	test "it tracks a signed object fetch when the json is cached", %{conn: conn} do
	user = insert(:user, local: false)
	other_user = insert(:user, local: false)
	activity = insert(:note_activity)
	object = Object.normalize(activity)

	object_path = String.trim_leading(object.data["id"], Pleroma.Web.Endpoint.url())

	conn
	\|> put_req_header("accept", "application/activity+json")
	\|> assign(:user, user)
	\|> get(object_path)
	\|> json_response(200)

	build_conn()
	\|> put_req_header("accept", "application/activity+json")
	\|> assign(:user, other_user)
	\|> get(object_path)
	\|> json_response(200)

	assert Delivery.get(object.id, user.id)
	assert Delivery.get(object.id, other_user.id)
	end

	test "it tracks a signed activity fetch when the json is cached", %{conn: conn} do
	user = insert(:user, local: false)
	other_user = insert(:user, local: false)
	activity = insert(:note_activity)
	object = Object.normalize(activity)

	activity_path = String.trim_leading(activity.data["id"], Pleroma.Web.Endpoint.url())

	conn
	\|> put_req_header("accept", "application/activity+json")
	\|> assign(:user, user)
	\|> get(activity_path)
	\|> json_response(200)

	build_conn()
	\|> put_req_header("accept", "application/activity+json")
	\|> assign(:user, other_user)
	\|> get(activity_path)
	\|> json_response(200)

	assert Delivery.get(object.id, user.id)
	assert Delivery.get(object.id, other_user.id)
	end
	end

	describe "Additional ActivityPub C2S endpoints" do
	test "GET /api/ap/whoami", %{conn: conn} do
	user = insert(:user)

	conn =
	conn
	\|> assign(:user, user)
	\|> get("/api/ap/whoami")

	user = User.get_cached_by_id(user.id)

	assert UserView.render("user.json", %{user: user}) == json_response(conn, 200)

	conn
	\|> get("/api/ap/whoami")
	\|> json_response(403)
	end

	setup do: clear_config([:media_proxy])
	setup do: clear_config([Pleroma.Upload])

	test "POST /api/ap/upload_media", %{conn: conn} do
	user = insert(:user)

	desc = "Description of the image"

	image = %Plug.Upload{
	content_type: "image/jpg",
	path: Path.absname("test/fixtures/image.jpg"),
	filename: "an_image.jpg"
	}

	object =
	conn
	\|> assign(:user, user)
	\|> post("/api/ap/upload_media", %{"file" => image, "description" => desc})
	\|> json_response(:created)

	assert object["name"] == desc
	assert object["type"] == "Document"
	assert object["actor"] == user.ap_id
	assert [%{"href" => object_href, "mediaType" => object_mediatype}] = object["url"]
	assert is_binary(object_href)
	assert object_mediatype == "image/jpeg"

	activity_request = %{
	"@context" => "https://www.w3.org/ns/activitystreams",
	"type" => "Create",
	"object" => %{
	"type" => "Note",
	"content" => "AP C2S test, attachment",
	"attachment" => [object]
	},
	"to" => "https://www.w3.org/ns/activitystreams#Public",
	"cc" => []
	}

	activity_response =
	conn
	\|> assign(:user, user)
	\|> post("/users/#{user.nickname}/outbox", activity_request)
	\|> json_response(:created)

	assert activity_response["id"]
	assert activity_response["object"]
	assert activity_response["actor"] == user.ap_id

	assert %Object{data: %{"attachment" => [attachment]}} =
	Object.normalize(activity_response["object"])

	assert attachment["type"] == "Document"
	assert attachment["name"] == desc

	assert [
	%{
	"href" => ^object_href,
	"type" => "Link",
	"mediaType" => ^object_mediatype
	}
	] = attachment["url"]

	# Fails if unauthenticated
	conn
	\|> post("/api/ap/upload_media", %{"file" => image, "description" => desc})
	\|> json_response(403)
	end
	end
	end
	diff --git a/test/web/activity_pub/activity_pub_test.exs b/test/web/activity_pub/activity_pub_test.exs
	index 1c684df1a..be7ab2ae4 100644
	--- a/test/web/activity_pub/activity_pub_test.exs
	+++ b/test/web/activity_pub/activity_pub_test.exs
	@@ -1,2072 +1,2026 @@
	# Pleroma: A lightweight social networking server
	# Copyright © 2017-2020 Pleroma Authors <https://pleroma.social/>
	# SPDX-License-Identifier: AGPL-3.0-only

	defmodule Pleroma.Web.ActivityPub.ActivityPubTest do
	use Pleroma.DataCase
	use Oban.Testing, repo: Pleroma.Repo

	alias Pleroma.Activity
	alias Pleroma.Builders.ActivityBuilder
	alias Pleroma.Config
	alias Pleroma.Notification
	alias Pleroma.Object
	alias Pleroma.User
	alias Pleroma.Web.ActivityPub.ActivityPub
	alias Pleroma.Web.ActivityPub.Utils
	alias Pleroma.Web.AdminAPI.AccountView
	alias Pleroma.Web.CommonAPI

	import ExUnit.CaptureLog
	import Mock
	import Pleroma.Factory
	import Tesla.Mock

	setup do
	mock(fn env -> apply(HttpRequestMock, :request, [env]) end)
	:ok
	end

	setup do: clear_config([:instance, :federating])

	describe "streaming out participations" do
	test "it streams them out" do
	user = insert(:user)
	{:ok, activity} = CommonAPI.post(user, %{status: ".", visibility: "direct"})

	{:ok, conversation} = Pleroma.Conversation.create_or_bump_for(activity)

	participations =
	conversation.participations
	\|> Repo.preload(:user)

	with_mock Pleroma.Web.Streamer,
	stream: fn _, _ -> nil end do
	ActivityPub.stream_out_participations(conversation.participations)

	assert called(Pleroma.Web.Streamer.stream("participation", participations))
	end
	end

	test "streams them out on activity creation" do
	user_one = insert(:user)
	user_two = insert(:user)

	with_mock Pleroma.Web.Streamer,
	stream: fn _, _ -> nil end do
	{:ok, activity} =
	CommonAPI.post(user_one, %{
	status: "@#{user_two.nickname}",
	visibility: "direct"
	})

	conversation =
	activity.data["context"]
	\|> Pleroma.Conversation.get_for_ap_id()
	\|> Repo.preload(participations: :user)

	assert called(Pleroma.Web.Streamer.stream("participation", conversation.participations))
	end
	end
	end

	describe "fetching restricted by visibility" do
	test "it restricts by the appropriate visibility" do
	user = insert(:user)

	{:ok, public_activity} = CommonAPI.post(user, %{status: ".", visibility: "public"})

	{:ok, direct_activity} = CommonAPI.post(user, %{status: ".", visibility: "direct"})

	{:ok, unlisted_activity} = CommonAPI.post(user, %{status: ".", visibility: "unlisted"})

	{:ok, private_activity} = CommonAPI.post(user, %{status: ".", visibility: "private"})

	activities = ActivityPub.fetch_activities([], %{visibility: "direct", actor_id: user.ap_id})

	assert activities == [direct_activity]

	activities =
	ActivityPub.fetch_activities([], %{visibility: "unlisted", actor_id: user.ap_id})

	assert activities == [unlisted_activity]

	activities =
	ActivityPub.fetch_activities([], %{visibility: "private", actor_id: user.ap_id})

	assert activities == [private_activity]

	activities = ActivityPub.fetch_activities([], %{visibility: "public", actor_id: user.ap_id})

	assert activities == [public_activity]

	activities =
	ActivityPub.fetch_activities([], %{
	visibility: ~w[private public],
	actor_id: user.ap_id
	})

	assert activities == [public_activity, private_activity]
	end
	end

	describe "fetching excluded by visibility" do
	test "it excludes by the appropriate visibility" do
	user = insert(:user)

	{:ok, public_activity} = CommonAPI.post(user, %{status: ".", visibility: "public"})

	{:ok, direct_activity} = CommonAPI.post(user, %{status: ".", visibility: "direct"})

	{:ok, unlisted_activity} = CommonAPI.post(user, %{status: ".", visibility: "unlisted"})

	{:ok, private_activity} = CommonAPI.post(user, %{status: ".", visibility: "private"})

	activities =
	ActivityPub.fetch_activities([], %{
	exclude_visibilities: "direct",
	actor_id: user.ap_id
	})

	assert public_activity in activities
	assert unlisted_activity in activities
	assert private_activity in activities
	refute direct_activity in activities

	activities =
	ActivityPub.fetch_activities([], %{
	exclude_visibilities: "unlisted",
	actor_id: user.ap_id
	})

	assert public_activity in activities
	refute unlisted_activity in activities
	assert private_activity in activities
	assert direct_activity in activities

	activities =
	ActivityPub.fetch_activities([], %{
	exclude_visibilities: "private",
	actor_id: user.ap_id
	})

	assert public_activity in activities
	assert unlisted_activity in activities
	refute private_activity in activities
	assert direct_activity in activities

	activities =
	ActivityPub.fetch_activities([], %{
	exclude_visibilities: "public",
	actor_id: user.ap_id
	})

	refute public_activity in activities
	assert unlisted_activity in activities
	assert private_activity in activities
	assert direct_activity in activities
	end
	end

	describe "building a user from his ap id" do
	test "it returns a user" do
	user_id = "http://mastodon.example.org/users/admin"
	{:ok, user} = ActivityPub.make_user_from_ap_id(user_id)
	assert user.ap_id == user_id
	assert user.nickname == "admin@mastodon.example.org"
	assert user.ap_enabled
	assert user.follower_address == "http://mastodon.example.org/users/admin/followers"
	end

	test "it returns a user that is invisible" do
	user_id = "http://mastodon.example.org/users/relay"
	{:ok, user} = ActivityPub.make_user_from_ap_id(user_id)
	assert User.invisible?(user)
	end

	test "it fetches the appropriate tag-restricted posts" do
	user = insert(:user)

	{:ok, status_one} = CommonAPI.post(user, %{status: ". #test"})
	{:ok, status_two} = CommonAPI.post(user, %{status: ". #essais"})
	{:ok, status_three} = CommonAPI.post(user, %{status: ". #test #reject"})

	fetch_one = ActivityPub.fetch_activities([], %{type: "Create", tag: "test"})

	fetch_two = ActivityPub.fetch_activities([], %{type: "Create", tag: ["test", "essais"]})

	fetch_three =
	ActivityPub.fetch_activities([], %{
	type: "Create",
	tag: ["test", "essais"],
	tag_reject: ["reject"]
	})

	fetch_four =
	ActivityPub.fetch_activities([], %{
	type: "Create",
	tag: ["test"],
	tag_all: ["test", "reject"]
	})

	assert fetch_one == [status_one, status_three]
	assert fetch_two == [status_one, status_two, status_three]
	assert fetch_three == [status_one, status_two]
	assert fetch_four == [status_three]
	end
	end

	describe "insertion" do
	test "drops activities beyond a certain limit" do
	limit = Config.get([:instance, :remote_limit])

	random_text =
	:crypto.strong_rand_bytes(limit + 1)
	\|> Base.encode64()
	\|> binary_part(0, limit + 1)

	data = %{
	"ok" => true,
	"object" => %{
	"content" => random_text
	}
	}

	assert {:error, {:remote_limit_error, _}} = ActivityPub.insert(data)
	end

	test "doesn't drop activities with content being null" do
	user = insert(:user)

	data = %{
	"actor" => user.ap_id,
	"to" => [],
	"object" => %{
	"actor" => user.ap_id,
	"to" => [],
	"type" => "Note",
	"content" => nil
	}
	}

	assert {:ok, _} = ActivityPub.insert(data)
	end

	test "returns the activity if one with the same id is already in" do
	activity = insert(:note_activity)
	{:ok, new_activity} = ActivityPub.insert(activity.data)

	assert activity.id == new_activity.id
	end

	test "inserts a given map into the activity database, giving it an id if it has none." do
	user = insert(:user)

	data = %{
	"actor" => user.ap_id,
	"to" => [],
	"object" => %{
	"actor" => user.ap_id,
	"to" => [],
	"type" => "Note",
	"content" => "hey"
	}
	}

	{:ok, %Activity{} = activity} = ActivityPub.insert(data)
	assert activity.data["ok"] == data["ok"]
	assert is_binary(activity.data["id"])

	given_id = "bla"

	data = %{
	"id" => given_id,
	"actor" => user.ap_id,
	"to" => [],
	"context" => "blabla",
	"object" => %{
	"actor" => user.ap_id,
	"to" => [],
	"type" => "Note",
	"content" => "hey"
	}
	}

	{:ok, %Activity{} = activity} = ActivityPub.insert(data)
	assert activity.data["ok"] == data["ok"]
	assert activity.data["id"] == given_id
	assert activity.data["context"] == "blabla"
	assert activity.data["context_id"]
	end

	test "adds a context when none is there" do
	user = insert(:user)

	data = %{
	"actor" => user.ap_id,
	"to" => [],
	"object" => %{
	"actor" => user.ap_id,
	"to" => [],
	"type" => "Note",
	"content" => "hey"
	}
	}

	{:ok, %Activity{} = activity} = ActivityPub.insert(data)
	object = Pleroma.Object.normalize(activity)

	assert is_binary(activity.data["context"])
	assert is_binary(object.data["context"])
	assert activity.data["context_id"]
	assert object.data["context_id"]
	end

	test "adds an id to a given object if it lacks one and is a note and inserts it to the object database" do
	user = insert(:user)

	data = %{
	"actor" => user.ap_id,
	"to" => [],
	"object" => %{
	"actor" => user.ap_id,
	"to" => [],
	"type" => "Note",
	"content" => "hey"
	}
	}

	{:ok, %Activity{} = activity} = ActivityPub.insert(data)
	assert object = Object.normalize(activity)
	assert is_binary(object.data["id"])
	end
	end

	describe "listen activities" do
	test "does not increase user note count" do
	user = insert(:user)

	{:ok, activity} =
	ActivityPub.listen(%{
	to: ["https://www.w3.org/ns/activitystreams#Public"],
	actor: user,
	context: "",
	object: %{
	"actor" => user.ap_id,
	"to" => ["https://www.w3.org/ns/activitystreams#Public"],
	"artist" => "lain",
	"title" => "lain radio episode 1",
	"length" => 180_000,
	"type" => "Audio"
	}
	})

	assert activity.actor == user.ap_id

	user = User.get_cached_by_id(user.id)
	assert user.note_count == 0
	end

	test "can be fetched into a timeline" do
	_listen_activity_1 = insert(:listen)
	_listen_activity_2 = insert(:listen)
	_listen_activity_3 = insert(:listen)

	timeline = ActivityPub.fetch_activities([], %{type: ["Listen"]})

	assert length(timeline) == 3
	end
	end

	describe "create activities" do
	test "it reverts create" do
	user = insert(:user)

	with_mock(Utils, [:passthrough], maybe_federate: fn _ -> {:error, :reverted} end) do
	assert {:error, :reverted} =
	ActivityPub.create(%{
	to: ["user1", "user2"],
	actor: user,
	context: "",
	object: %{
	"to" => ["user1", "user2"],
	"type" => "Note",
	"content" => "testing"
	}
	})
	end

	assert Repo.aggregate(Activity, :count, :id) == 0
	assert Repo.aggregate(Object, :count, :id) == 0
	end

	test "removes doubled 'to' recipients" do
	user = insert(:user)

	{:ok, activity} =
	ActivityPub.create(%{
	to: ["user1", "user1", "user2"],
	actor: user,
	context: "",
	object: %{
	"to" => ["user1", "user1", "user2"],
	"type" => "Note",
	"content" => "testing"
	}
	})

	assert activity.data["to"] == ["user1", "user2"]
	assert activity.actor == user.ap_id
	assert activity.recipients == ["user1", "user2", user.ap_id]
	end

	test "increases user note count only for public activities" do
	user = insert(:user)

	{:ok, _} =
	CommonAPI.post(User.get_cached_by_id(user.id), %{
	status: "1",
	visibility: "public"
	})

	{:ok, _} =
	CommonAPI.post(User.get_cached_by_id(user.id), %{
	status: "2",
	visibility: "unlisted"
	})

	{:ok, _} =
	CommonAPI.post(User.get_cached_by_id(user.id), %{
	status: "2",
	visibility: "private"
	})

	{:ok, _} =
	CommonAPI.post(User.get_cached_by_id(user.id), %{
	status: "3",
	visibility: "direct"
	})

	user = User.get_cached_by_id(user.id)
	assert user.note_count == 2
	end

	test "increases replies count" do
	user = insert(:user)
	user2 = insert(:user)

	{:ok, activity} = CommonAPI.post(user, %{status: "1", visibility: "public"})
	ap_id = activity.data["id"]
	reply_data = %{status: "1", in_reply_to_status_id: activity.id}

	# public
	{:ok, _} = CommonAPI.post(user2, Map.put(reply_data, :visibility, "public"))
	assert %{data: data, object: object} = Activity.get_by_ap_id_with_object(ap_id)
	assert object.data["repliesCount"] == 1

	# unlisted
	{:ok, _} = CommonAPI.post(user2, Map.put(reply_data, :visibility, "unlisted"))
	assert %{data: data, object: object} = Activity.get_by_ap_id_with_object(ap_id)
	assert object.data["repliesCount"] == 2

	# private
	{:ok, _} = CommonAPI.post(user2, Map.put(reply_data, :visibility, "private"))
	assert %{data: data, object: object} = Activity.get_by_ap_id_with_object(ap_id)
	assert object.data["repliesCount"] == 2

	# direct
	{:ok, _} = CommonAPI.post(user2, Map.put(reply_data, :visibility, "direct"))
	assert %{data: data, object: object} = Activity.get_by_ap_id_with_object(ap_id)
	assert object.data["repliesCount"] == 2
	end
	end

	describe "fetch activities for recipients" do
	test "retrieve the activities for certain recipients" do
	{:ok, activity_one} = ActivityBuilder.insert(%{"to" => ["someone"]})
	{:ok, activity_two} = ActivityBuilder.insert(%{"to" => ["someone_else"]})
	{:ok, _activity_three} = ActivityBuilder.insert(%{"to" => ["noone"]})

	activities = ActivityPub.fetch_activities(["someone", "someone_else"])
	assert length(activities) == 2
	assert activities == [activity_one, activity_two]
	end
	end

	describe "fetch activities in context" do
	test "retrieves activities that have a given context" do
	{:ok, activity} = ActivityBuilder.insert(%{"type" => "Create", "context" => "2hu"})
	{:ok, activity_two} = ActivityBuilder.insert(%{"type" => "Create", "context" => "2hu"})
	{:ok, _activity_three} = ActivityBuilder.insert(%{"type" => "Create", "context" => "3hu"})
	{:ok, _activity_four} = ActivityBuilder.insert(%{"type" => "Announce", "context" => "2hu"})
	activity_five = insert(:note_activity)
	user = insert(:user)

	{:ok, _user_relationship} = User.block(user, %{ap_id: activity_five.data["actor"]})

	activities = ActivityPub.fetch_activities_for_context("2hu", %{blocking_user: user})
	assert activities == [activity_two, activity]
	end
	end

	test "doesn't return blocked activities" do
	activity_one = insert(:note_activity)
	activity_two = insert(:note_activity)
	activity_three = insert(:note_activity)
	user = insert(:user)
	booster = insert(:user)
	{:ok, _user_relationship} = User.block(user, %{ap_id: activity_one.data["actor"]})

	activities = ActivityPub.fetch_activities([], %{blocking_user: user, skip_preload: true})

	assert Enum.member?(activities, activity_two)
	assert Enum.member?(activities, activity_three)
	refute Enum.member?(activities, activity_one)

	{:ok, _user_block} = User.unblock(user, %{ap_id: activity_one.data["actor"]})

	activities = ActivityPub.fetch_activities([], %{blocking_user: user, skip_preload: true})

	assert Enum.member?(activities, activity_two)
	assert Enum.member?(activities, activity_three)
	assert Enum.member?(activities, activity_one)

	{:ok, _user_relationship} = User.block(user, %{ap_id: activity_three.data["actor"]})
	{:ok, %{data: %{"object" => id}}} = CommonAPI.repeat(activity_three.id, booster)
	%Activity{} = boost_activity = Activity.get_create_by_object_ap_id(id)
	activity_three = Activity.get_by_id(activity_three.id)

	activities = ActivityPub.fetch_activities([], %{blocking_user: user, skip_preload: true})

	assert Enum.member?(activities, activity_two)
	refute Enum.member?(activities, activity_three)
	refute Enum.member?(activities, boost_activity)
	assert Enum.member?(activities, activity_one)

	activities = ActivityPub.fetch_activities([], %{blocking_user: nil, skip_preload: true})

	assert Enum.member?(activities, activity_two)
	assert Enum.member?(activities, activity_three)
	assert Enum.member?(activities, boost_activity)
	assert Enum.member?(activities, activity_one)
	end

	test "doesn't return transitive interactions concerning blocked users" do
	blocker = insert(:user)
	blockee = insert(:user)
	friend = insert(:user)

	{:ok, _user_relationship} = User.block(blocker, blockee)

	{:ok, activity_one} = CommonAPI.post(friend, %{status: "hey!"})

	{:ok, activity_two} = CommonAPI.post(friend, %{status: "hey! @#{blockee.nickname}"})

	{:ok, activity_three} = CommonAPI.post(blockee, %{status: "hey! @#{friend.nickname}"})

	{:ok, activity_four} = CommonAPI.post(blockee, %{status: "hey! @#{blocker.nickname}"})

	activities = ActivityPub.fetch_activities([], %{blocking_user: blocker})

	assert Enum.member?(activities, activity_one)
	refute Enum.member?(activities, activity_two)
	refute Enum.member?(activities, activity_three)
	refute Enum.member?(activities, activity_four)
	end

	test "doesn't return announce activities with blocked users in 'to'" do
	blocker = insert(:user)
	blockee = insert(:user)
	friend = insert(:user)

	{:ok, _user_relationship} = User.block(blocker, blockee)

	{:ok, activity_one} = CommonAPI.post(friend, %{status: "hey!"})

	{:ok, activity_two} = CommonAPI.post(blockee, %{status: "hey! @#{friend.nickname}"})

	{:ok, activity_three} = CommonAPI.repeat(activity_two.id, friend)

	activities =
	ActivityPub.fetch_activities([], %{blocking_user: blocker})
	\|> Enum.map(fn act -> act.id end)

	assert Enum.member?(activities, activity_one.id)
	refute Enum.member?(activities, activity_two.id)
	refute Enum.member?(activities, activity_three.id)
	end

	test "doesn't return announce activities with blocked users in 'cc'" do
	blocker = insert(:user)
	blockee = insert(:user)
	friend = insert(:user)

	{:ok, _user_relationship} = User.block(blocker, blockee)

	{:ok, activity_one} = CommonAPI.post(friend, %{status: "hey!"})

	{:ok, activity_two} = CommonAPI.post(blockee, %{status: "hey! @#{friend.nickname}"})

	assert object = Pleroma.Object.normalize(activity_two)

	data = %{
	"actor" => friend.ap_id,
	"object" => object.data["id"],
	"context" => object.data["context"],
	"type" => "Announce",
	"to" => ["https://www.w3.org/ns/activitystreams#Public"],
	"cc" => [blockee.ap_id]
	}

	assert {:ok, activity_three} = ActivityPub.insert(data)

	activities =
	ActivityPub.fetch_activities([], %{blocking_user: blocker})
	\|> Enum.map(fn act -> act.id end)

	assert Enum.member?(activities, activity_one.id)
	refute Enum.member?(activities, activity_two.id)
	refute Enum.member?(activities, activity_three.id)
	end

	test "doesn't return activities from blocked domains" do
	domain = "dogwhistle.zone"
	domain_user = insert(:user, %{ap_id: "https://#{domain}/@pundit"})
	note = insert(:note, %{data: %{"actor" => domain_user.ap_id}})
	activity = insert(:note_activity, %{note: note})
	user = insert(:user)
	{:ok, user} = User.block_domain(user, domain)

	activities = ActivityPub.fetch_activities([], %{blocking_user: user, skip_preload: true})

	refute activity in activities

	followed_user = insert(:user)
	ActivityPub.follow(user, followed_user)
	{:ok, repeat_activity} = CommonAPI.repeat(activity.id, followed_user)

	activities = ActivityPub.fetch_activities([], %{blocking_user: user, skip_preload: true})

	refute repeat_activity in activities
	end

	test "does return activities from followed users on blocked domains" do
	domain = "meanies.social"
	domain_user = insert(:user, %{ap_id: "https://#{domain}/@pundit"})
	blocker = insert(:user)

	{:ok, blocker} = User.follow(blocker, domain_user)
	{:ok, blocker} = User.block_domain(blocker, domain)

	assert User.following?(blocker, domain_user)
	assert User.blocks_domain?(blocker, domain_user)
	refute User.blocks?(blocker, domain_user)

	note = insert(:note, %{data: %{"actor" => domain_user.ap_id}})
	activity = insert(:note_activity, %{note: note})

	activities = ActivityPub.fetch_activities([], %{blocking_user: blocker, skip_preload: true})

	assert activity in activities

	# And check that if the guy we DO follow boosts someone else from their domain,
	# that should be hidden
	another_user = insert(:user, %{ap_id: "https://#{domain}/@meanie2"})
	bad_note = insert(:note, %{data: %{"actor" => another_user.ap_id}})
	bad_activity = insert(:note_activity, %{note: bad_note})
	{:ok, repeat_activity} = CommonAPI.repeat(bad_activity.id, domain_user)

	activities = ActivityPub.fetch_activities([], %{blocking_user: blocker, skip_preload: true})

	refute repeat_activity in activities
	end

	test "doesn't return muted activities" do
	activity_one = insert(:note_activity)
	activity_two = insert(:note_activity)
	activity_three = insert(:note_activity)
	user = insert(:user)
	booster = insert(:user)

	activity_one_actor = User.get_by_ap_id(activity_one.data["actor"])
	{:ok, _user_relationships} = User.mute(user, activity_one_actor)

	activities = ActivityPub.fetch_activities([], %{muting_user: user, skip_preload: true})

	assert Enum.member?(activities, activity_two)
	assert Enum.member?(activities, activity_three)
	refute Enum.member?(activities, activity_one)

	# Calling with 'with_muted' will deliver muted activities, too.
	activities =
	ActivityPub.fetch_activities([], %{
	muting_user: user,
	with_muted: true,
	skip_preload: true
	})

	assert Enum.member?(activities, activity_two)
	assert Enum.member?(activities, activity_three)
	assert Enum.member?(activities, activity_one)

	{:ok, _user_mute} = User.unmute(user, activity_one_actor)

	activities = ActivityPub.fetch_activities([], %{muting_user: user, skip_preload: true})

	assert Enum.member?(activities, activity_two)
	assert Enum.member?(activities, activity_three)
	assert Enum.member?(activities, activity_one)

	activity_three_actor = User.get_by_ap_id(activity_three.data["actor"])
	{:ok, _user_relationships} = User.mute(user, activity_three_actor)
	{:ok, %{data: %{"object" => id}}} = CommonAPI.repeat(activity_three.id, booster)
	%Activity{} = boost_activity = Activity.get_create_by_object_ap_id(id)
	activity_three = Activity.get_by_id(activity_three.id)

	activities = ActivityPub.fetch_activities([], %{muting_user: user, skip_preload: true})

	assert Enum.member?(activities, activity_two)
	refute Enum.member?(activities, activity_three)
	refute Enum.member?(activities, boost_activity)
	assert Enum.member?(activities, activity_one)

	activities = ActivityPub.fetch_activities([], %{muting_user: nil, skip_preload: true})

	assert Enum.member?(activities, activity_two)
	assert Enum.member?(activities, activity_three)
	assert Enum.member?(activities, boost_activity)
	assert Enum.member?(activities, activity_one)
	end

	test "doesn't return thread muted activities" do
	user = insert(:user)
	_activity_one = insert(:note_activity)
	note_two = insert(:note, data: %{"context" => "suya.."})
	activity_two = insert(:note_activity, note: note_two)

	{:ok, _activity_two} = CommonAPI.add_mute(user, activity_two)

	assert [_activity_one] = ActivityPub.fetch_activities([], %{muting_user: user})
	end

	test "returns thread muted activities when with_muted is set" do
	user = insert(:user)
	_activity_one = insert(:note_activity)
	note_two = insert(:note, data: %{"context" => "suya.."})
	activity_two = insert(:note_activity, note: note_two)

	{:ok, _activity_two} = CommonAPI.add_mute(user, activity_two)

	assert [_activity_two, _activity_one] =
	ActivityPub.fetch_activities([], %{muting_user: user, with_muted: true})
	end

	test "does include announces on request" do
	activity_three = insert(:note_activity)
	user = insert(:user)
	booster = insert(:user)

	{:ok, user} = User.follow(user, booster)

	{:ok, announce} = CommonAPI.repeat(activity_three.id, booster)

	[announce_activity] = ActivityPub.fetch_activities([user.ap_id \| User.following(user)])

	assert announce_activity.id == announce.id
	end

	test "excludes reblogs on request" do
	user = insert(:user)
	{:ok, expected_activity} = ActivityBuilder.insert(%{"type" => "Create"}, %{:user => user})
	{:ok, _} = ActivityBuilder.insert(%{"type" => "Announce"}, %{:user => user})

	[activity] = ActivityPub.fetch_user_activities(user, nil, %{exclude_reblogs: true})

	assert activity == expected_activity
	end

	describe "public fetch activities" do
	test "doesn't retrieve unlisted activities" do
	user = insert(:user)

	{:ok, _unlisted_activity} = CommonAPI.post(user, %{status: "yeah", visibility: "unlisted"})

	{:ok, listed_activity} = CommonAPI.post(user, %{status: "yeah"})

	[activity] = ActivityPub.fetch_public_activities()

	assert activity == listed_activity
	end

	test "retrieves public activities" do
	_activities = ActivityPub.fetch_public_activities()

	%{public: public} = ActivityBuilder.public_and_non_public()

	activities = ActivityPub.fetch_public_activities()
	assert length(activities) == 1
	assert Enum.at(activities, 0) == public
	end

	test "retrieves a maximum of 20 activities" do
	ActivityBuilder.insert_list(10)
	expected_activities = ActivityBuilder.insert_list(20)

	activities = ActivityPub.fetch_public_activities()

	assert collect_ids(activities) == collect_ids(expected_activities)
	assert length(activities) == 20
	end

	test "retrieves ids starting from a since_id" do
	activities = ActivityBuilder.insert_list(30)
	expected_activities = ActivityBuilder.insert_list(10)
	since_id = List.last(activities).id

	activities = ActivityPub.fetch_public_activities(%{since_id: since_id})

	assert collect_ids(activities) == collect_ids(expected_activities)
	assert length(activities) == 10
	end

	test "retrieves ids up to max_id" do
	ActivityBuilder.insert_list(10)
	expected_activities = ActivityBuilder.insert_list(20)

	%{id: max_id} =
	10
	\|> ActivityBuilder.insert_list()
	\|> List.first()

	activities = ActivityPub.fetch_public_activities(%{max_id: max_id})

	assert length(activities) == 20
	assert collect_ids(activities) == collect_ids(expected_activities)
	end

	test "paginates via offset/limit" do
	_first_part_activities = ActivityBuilder.insert_list(10)
	second_part_activities = ActivityBuilder.insert_list(10)

	later_activities = ActivityBuilder.insert_list(10)

	activities = ActivityPub.fetch_public_activities(%{page: "2", page_size: "20"}, :offset)

	assert length(activities) == 20

	assert collect_ids(activities) ==
	collect_ids(second_part_activities) ++ collect_ids(later_activities)
	end

	test "doesn't return reblogs for users for whom reblogs have been muted" do
	activity = insert(:note_activity)
	user = insert(:user)
	booster = insert(:user)
	{:ok, _reblog_mute} = CommonAPI.hide_reblogs(user, booster)

	{:ok, activity} = CommonAPI.repeat(activity.id, booster)

	activities = ActivityPub.fetch_activities([], %{muting_user: user})

	refute Enum.any?(activities, fn %{id: id} -> id == activity.id end)
	end

	test "returns reblogs for users for whom reblogs have not been muted" do
	activity = insert(:note_activity)
	user = insert(:user)
	booster = insert(:user)
	{:ok, _reblog_mute} = CommonAPI.hide_reblogs(user, booster)
	{:ok, _reblog_mute} = CommonAPI.show_reblogs(user, booster)

	{:ok, activity} = CommonAPI.repeat(activity.id, booster)

	activities = ActivityPub.fetch_activities([], %{muting_user: user})

	assert Enum.any?(activities, fn %{id: id} -> id == activity.id end)
	end
	end

	describe "uploading files" do
	test "copies the file to the configured folder" do
	file = %Plug.Upload{
	content_type: "image/jpg",
	path: Path.absname("test/fixtures/image.jpg"),
	filename: "an_image.jpg"
	}

	{:ok, %Object{} = object} = ActivityPub.upload(file)
	assert object.data["name"] == "an_image.jpg"
	end

	test "works with base64 encoded images" do
	file = %{
	img: data_uri()
	}

	{:ok, %Object{}} = ActivityPub.upload(file)
	end
	end

	describe "fetch the latest Follow" do
	test "fetches the latest Follow activity" do
	%Activity{data: %{"type" => "Follow"}} = activity = insert(:follow_activity)
	follower = Repo.get_by(User, ap_id: activity.data["actor"])
	followed = Repo.get_by(User, ap_id: activity.data["object"])

	assert activity == Utils.fetch_latest_follow(follower, followed)
	end
	end

	describe "following / unfollowing" do
	test "it reverts follow activity" do
	follower = insert(:user)
	followed = insert(:user)

	with_mock(Utils, [:passthrough], maybe_federate: fn _ -> {:error, :reverted} end) do
	assert {:error, :reverted} = ActivityPub.follow(follower, followed)
	end

	assert Repo.aggregate(Activity, :count, :id) == 0
	assert Repo.aggregate(Object, :count, :id) == 0
	end

	test "it reverts unfollow activity" do
	follower = insert(:user)
	followed = insert(:user)

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

	with_mock(Utils, [:passthrough], maybe_federate: fn _ -> {:error, :reverted} end) do
	assert {:error, :reverted} = ActivityPub.unfollow(follower, followed)
	end

	activity = Activity.get_by_id(follow_activity.id)
	assert activity.data["type"] == "Follow"
	assert activity.data["actor"] == follower.ap_id

	assert activity.data["object"] == followed.ap_id
	end

	test "creates a follow activity" do
	follower = insert(:user)
	followed = insert(:user)

	{:ok, activity} = ActivityPub.follow(follower, followed)
	assert activity.data["type"] == "Follow"
	assert activity.data["actor"] == follower.ap_id
	assert activity.data["object"] == followed.ap_id
	end

	test "creates an undo activity for the last follow" do
	follower = insert(:user)
	followed = insert(:user)

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

	assert activity.data["type"] == "Undo"
	assert activity.data["actor"] == follower.ap_id

	embedded_object = activity.data["object"]
	assert is_map(embedded_object)
	assert embedded_object["type"] == "Follow"
	assert embedded_object["object"] == followed.ap_id
	assert embedded_object["id"] == follow_activity.data["id"]
	end

	test "creates an undo activity for a pending follow request" do
	follower = insert(:user)
	followed = insert(:user, %{locked: true})

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

	assert activity.data["type"] == "Undo"
	assert activity.data["actor"] == follower.ap_id

	embedded_object = activity.data["object"]
	assert is_map(embedded_object)
	assert embedded_object["type"] == "Follow"
	assert embedded_object["object"] == followed.ap_id
	assert embedded_object["id"] == follow_activity.data["id"]
	end
	end

	describe "blocking" do
	test "reverts block activity on error" do
	[blocker, blocked] = insert_list(2, :user)

	with_mock(Utils, [:passthrough], maybe_federate: fn _ -> {:error, :reverted} end) do
	assert {:error, :reverted} = ActivityPub.block(blocker, blocked)
	end

	assert Repo.aggregate(Activity, :count, :id) == 0
	assert Repo.aggregate(Object, :count, :id) == 0
	end

	test "creates a block activity" do
	clear_config([:instance, :federating], true)
	blocker = insert(:user)
	blocked = insert(:user)

	with_mock Pleroma.Web.Federator,
	publish: fn _ -> nil end do
	{:ok, activity} = ActivityPub.block(blocker, blocked)

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

	assert called(Pleroma.Web.Federator.publish(activity))
	end
	end

	test "works with outgoing blocks disabled, but doesn't federate" do
	clear_config([:instance, :federating], true)
	clear_config([:activitypub, :outgoing_blocks], false)
	blocker = insert(:user)
	blocked = insert(:user)

	with_mock Pleroma.Web.Federator,
	publish: fn _ -> nil end do
	{:ok, activity} = ActivityPub.block(blocker, blocked)

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

	refute called(Pleroma.Web.Federator.publish(:_))
	end
	end
	end

	describe "timeline post-processing" do
	test "it filters broken threads" do
	user1 = insert(:user)
	user2 = insert(:user)
	user3 = insert(:user)

	{:ok, user1} = User.follow(user1, user3)
	assert User.following?(user1, user3)

	{:ok, user2} = User.follow(user2, user3)
	assert User.following?(user2, user3)

	{:ok, user3} = User.follow(user3, user2)
	assert User.following?(user3, user2)

	{:ok, public_activity} = CommonAPI.post(user3, %{status: "hi 1"})

	{:ok, private_activity_1} = CommonAPI.post(user3, %{status: "hi 2", visibility: "private"})

	{:ok, private_activity_2} =
	CommonAPI.post(user2, %{
	status: "hi 3",
	visibility: "private",
	in_reply_to_status_id: private_activity_1.id
	})

	{:ok, private_activity_3} =
	CommonAPI.post(user3, %{
	status: "hi 4",
	visibility: "private",
	in_reply_to_status_id: private_activity_2.id
	})

	activities =
	ActivityPub.fetch_activities([user1.ap_id \| User.following(user1)])
	\|> Enum.map(fn a -> a.id end)

	private_activity_1 = Activity.get_by_ap_id_with_object(private_activity_1.data["id"])

	assert [public_activity.id, private_activity_1.id, private_activity_3.id] == activities

	assert length(activities) == 3

	activities =
	ActivityPub.fetch_activities([user1.ap_id \| User.following(user1)], %{user: user1})
	\|> Enum.map(fn a -> a.id end)

	assert [public_activity.id, private_activity_1.id] == activities
	assert length(activities) == 2
	end
	end

	- describe "update" do
	- setup do: clear_config([:instance, :max_pinned_statuses])
	-
	- test "it creates an update activity with the new user data" do
	- user = insert(:user)
	- {:ok, user} = User.ensure_keys_present(user)
	- user_data = Pleroma.Web.ActivityPub.UserView.render("user.json", %{user: user})
	-
	- {:ok, update} =
	- ActivityPub.update(%{
	- actor: user_data["id"],
	- to: [user.follower_address],
	- cc: [],
	- object: user_data
	- })
	-
	- assert update.data["actor"] == user.ap_id
	- assert update.data["to"] == [user.follower_address]
	- assert embedded_object = update.data["object"]
	- assert embedded_object["id"] == user_data["id"]
	- assert embedded_object["type"] == user_data["type"]
	- end
	- end
	-
	- test "returned pinned statuses" do
	- Config.put([:instance, :max_pinned_statuses], 3)
	- user = insert(:user)
	-
	- {:ok, activity_one} = CommonAPI.post(user, %{status: "HI!!!"})
	- {:ok, activity_two} = CommonAPI.post(user, %{status: "HI!!!"})
	- {:ok, activity_three} = CommonAPI.post(user, %{status: "HI!!!"})
	-
	- CommonAPI.pin(activity_one.id, user)
	- user = refresh_record(user)
	-
	- CommonAPI.pin(activity_two.id, user)
	- user = refresh_record(user)
	-
	- CommonAPI.pin(activity_three.id, user)
	- user = refresh_record(user)
	-
	- activities = ActivityPub.fetch_user_activities(user, nil, %{pinned: true})
	-
	- assert 3 = length(activities)
	- end
	-
	describe "flag/1" do
	setup do
	reporter = insert(:user)
	target_account = insert(:user)
	content = "foobar"
	{:ok, activity} = CommonAPI.post(target_account, %{status: content})
	context = Utils.generate_context_id()

	reporter_ap_id = reporter.ap_id
	target_ap_id = target_account.ap_id
	activity_ap_id = activity.data["id"]

	activity_with_object = Activity.get_by_ap_id_with_object(activity_ap_id)

	{:ok,
	%{
	reporter: reporter,
	context: context,
	target_account: target_account,
	reported_activity: activity,
	content: content,
	activity_ap_id: activity_ap_id,
	activity_with_object: activity_with_object,
	reporter_ap_id: reporter_ap_id,
	target_ap_id: target_ap_id
	}}
	end

	test "it can create a Flag activity",
	%{
	reporter: reporter,
	context: context,
	target_account: target_account,
	reported_activity: reported_activity,
	content: content,
	activity_ap_id: activity_ap_id,
	activity_with_object: activity_with_object,
	reporter_ap_id: reporter_ap_id,
	target_ap_id: target_ap_id
	} do
	assert {:ok, activity} =
	ActivityPub.flag(%{
	actor: reporter,
	context: context,
	account: target_account,
	statuses: [reported_activity],
	content: content
	})

	note_obj = %{
	"type" => "Note",
	"id" => activity_ap_id,
	"content" => content,
	"published" => activity_with_object.object.data["published"],
	"actor" => AccountView.render("show.json", %{user: target_account})
	}

	assert %Activity{
	actor: ^reporter_ap_id,
	data: %{
	"type" => "Flag",
	"content" => ^content,
	"context" => ^context,
	"object" => [^target_ap_id, ^note_obj]
	}
	} = activity
	end

	test_with_mock "strips status data from Flag, before federating it",
	%{
	reporter: reporter,
	context: context,
	target_account: target_account,
	reported_activity: reported_activity,
	content: content
	},
	Utils,
	[:passthrough],
	[] do
	{:ok, activity} =
	ActivityPub.flag(%{
	actor: reporter,
	context: context,
	account: target_account,
	statuses: [reported_activity],
	content: content
	})

	new_data =
	put_in(activity.data, ["object"], [target_account.ap_id, reported_activity.data["id"]])

	assert_called(Utils.maybe_federate(%{activity \| data: new_data}))
	end
	end

	test "fetch_activities/2 returns activities addressed to a list " do
	user = insert(:user)
	member = insert(:user)
	{:ok, list} = Pleroma.List.create("foo", user)
	{:ok, list} = Pleroma.List.follow(list, member)

	{:ok, activity} = CommonAPI.post(user, %{status: "foobar", visibility: "list:#{list.id}"})

	activity = Repo.preload(activity, :bookmark)
	activity = %Activity{activity \| thread_muted?: !!activity.thread_muted?}

	assert ActivityPub.fetch_activities([], %{user: user}) == [activity]
	end

	def data_uri do
	File.read!("test/fixtures/avatar_data_uri")
	end

	describe "fetch_activities_bounded" do
	test "fetches private posts for followed users" do
	user = insert(:user)

	{:ok, activity} =
	CommonAPI.post(user, %{
	status: "thought I looked cute might delete later :3",
	visibility: "private"
	})

	[result] = ActivityPub.fetch_activities_bounded([user.follower_address], [])
	assert result.id == activity.id
	end

	test "fetches only public posts for other users" do
	user = insert(:user)
	{:ok, activity} = CommonAPI.post(user, %{status: "#cofe", visibility: "public"})

	{:ok, _private_activity} =
	CommonAPI.post(user, %{
	status: "why is tenshi eating a corndog so cute?",
	visibility: "private"
	})

	[result] = ActivityPub.fetch_activities_bounded([], [user.follower_address])
	assert result.id == activity.id
	end
	end

	describe "fetch_follow_information_for_user" do
	test "syncronizes following/followers counters" do
	user =
	insert(:user,
	local: false,
	follower_address: "http://localhost:4001/users/fuser2/followers",
	following_address: "http://localhost:4001/users/fuser2/following"
	)

	{:ok, info} = ActivityPub.fetch_follow_information_for_user(user)
	assert info.follower_count == 527
	assert info.following_count == 267
	end

	test "detects hidden followers" do
	mock(fn env ->
	case env.url do
	"http://localhost:4001/users/masto_closed/followers?page=1" ->
	%Tesla.Env{status: 403, body: ""}

	_ ->
	apply(HttpRequestMock, :request, [env])
	end
	end)

	user =
	insert(:user,
	local: false,
	follower_address: "http://localhost:4001/users/masto_closed/followers",
	following_address: "http://localhost:4001/users/masto_closed/following"
	)

	{:ok, follow_info} = ActivityPub.fetch_follow_information_for_user(user)
	assert follow_info.hide_followers == true
	assert follow_info.hide_follows == false
	end

	test "detects hidden follows" do
	mock(fn env ->
	case env.url do
	"http://localhost:4001/users/masto_closed/following?page=1" ->
	%Tesla.Env{status: 403, body: ""}

	_ ->
	apply(HttpRequestMock, :request, [env])
	end
	end)

	user =
	insert(:user,
	local: false,
	follower_address: "http://localhost:4001/users/masto_closed/followers",
	following_address: "http://localhost:4001/users/masto_closed/following"
	)

	{:ok, follow_info} = ActivityPub.fetch_follow_information_for_user(user)
	assert follow_info.hide_followers == false
	assert follow_info.hide_follows == true
	end

	test "detects hidden follows/followers for friendica" do
	user =
	insert(:user,
	local: false,
	follower_address: "http://localhost:8080/followers/fuser3",
	following_address: "http://localhost:8080/following/fuser3"
	)

	{:ok, follow_info} = ActivityPub.fetch_follow_information_for_user(user)
	assert follow_info.hide_followers == true
	assert follow_info.follower_count == 296
	assert follow_info.following_count == 32
	assert follow_info.hide_follows == true
	end

	test "doesn't crash when follower and following counters are hidden" do
	mock(fn env ->
	case env.url do
	"http://localhost:4001/users/masto_hidden_counters/following" ->
	json(%{
	"@context" => "https://www.w3.org/ns/activitystreams",
	"id" => "http://localhost:4001/users/masto_hidden_counters/followers"
	})

	"http://localhost:4001/users/masto_hidden_counters/following?page=1" ->
	%Tesla.Env{status: 403, body: ""}

	"http://localhost:4001/users/masto_hidden_counters/followers" ->
	json(%{
	"@context" => "https://www.w3.org/ns/activitystreams",
	"id" => "http://localhost:4001/users/masto_hidden_counters/following"
	})

	"http://localhost:4001/users/masto_hidden_counters/followers?page=1" ->
	%Tesla.Env{status: 403, body: ""}
	end
	end)

	user =
	insert(:user,
	local: false,
	follower_address: "http://localhost:4001/users/masto_hidden_counters/followers",
	following_address: "http://localhost:4001/users/masto_hidden_counters/following"
	)

	{:ok, follow_info} = ActivityPub.fetch_follow_information_for_user(user)

	assert follow_info.hide_followers == true
	assert follow_info.follower_count == 0
	assert follow_info.hide_follows == true
	assert follow_info.following_count == 0
	end
	end

	describe "fetch_favourites/3" do
	test "returns a favourite activities sorted by adds to favorite" do
	user = insert(:user)
	other_user = insert(:user)
	user1 = insert(:user)
	user2 = insert(:user)
	{:ok, a1} = CommonAPI.post(user1, %{status: "bla"})
	{:ok, _a2} = CommonAPI.post(user2, %{status: "traps are happy"})
	{:ok, a3} = CommonAPI.post(user2, %{status: "Trees Are "})
	{:ok, a4} = CommonAPI.post(user2, %{status: "Agent Smith "})
	{:ok, a5} = CommonAPI.post(user1, %{status: "Red or Blue "})

	{:ok, _} = CommonAPI.favorite(user, a4.id)
	{:ok, _} = CommonAPI.favorite(other_user, a3.id)
	{:ok, _} = CommonAPI.favorite(user, a3.id)
	{:ok, _} = CommonAPI.favorite(other_user, a5.id)
	{:ok, _} = CommonAPI.favorite(user, a5.id)
	{:ok, _} = CommonAPI.favorite(other_user, a4.id)
	{:ok, _} = CommonAPI.favorite(user, a1.id)
	{:ok, _} = CommonAPI.favorite(other_user, a1.id)
	result = ActivityPub.fetch_favourites(user)

	assert Enum.map(result, & &1.id) == [a1.id, a5.id, a3.id, a4.id]

	result = ActivityPub.fetch_favourites(user, %{limit: 2})
	assert Enum.map(result, & &1.id) == [a1.id, a5.id]
	end
	end

	describe "Move activity" do
	test "create" do
	%{ap_id: old_ap_id} = old_user = insert(:user)
	%{ap_id: new_ap_id} = new_user = insert(:user, also_known_as: [old_ap_id])
	follower = insert(:user)
	follower_move_opted_out = insert(:user, allow_following_move: false)

	User.follow(follower, old_user)
	User.follow(follower_move_opted_out, old_user)

	assert User.following?(follower, old_user)
	assert User.following?(follower_move_opted_out, old_user)

	assert {:ok, activity} = ActivityPub.move(old_user, new_user)

	assert %Activity{
	actor: ^old_ap_id,
	data: %{
	"actor" => ^old_ap_id,
	"object" => ^old_ap_id,
	"target" => ^new_ap_id,
	"type" => "Move"
	},
	local: true
	} = activity

	params = %{
	"op" => "move_following",
	"origin_id" => old_user.id,
	"target_id" => new_user.id
	}

	assert_enqueued(worker: Pleroma.Workers.BackgroundWorker, args: params)

	Pleroma.Workers.BackgroundWorker.perform(params, nil)

	refute User.following?(follower, old_user)
	assert User.following?(follower, new_user)

	assert User.following?(follower_move_opted_out, old_user)
	refute User.following?(follower_move_opted_out, new_user)

	activity = %Activity{activity \| object: nil}

	assert [%Notification{activity: ^activity}] = Notification.for_user(follower)

	assert [%Notification{activity: ^activity}] = Notification.for_user(follower_move_opted_out)
	end

	test "old user must be in the new user's `also_known_as` list" do
	old_user = insert(:user)
	new_user = insert(:user)

	assert {:error, "Target account must have the origin in `alsoKnownAs`"} =
	ActivityPub.move(old_user, new_user)
	end
	end

	test "doesn't retrieve replies activities with exclude_replies" do
	user = insert(:user)

	{:ok, activity} = CommonAPI.post(user, %{status: "yeah"})

	{:ok, _reply} = CommonAPI.post(user, %{status: "yeah", in_reply_to_status_id: activity.id})

	[result] = ActivityPub.fetch_public_activities(%{exclude_replies: true})

	assert result.id == activity.id

	assert length(ActivityPub.fetch_public_activities()) == 2
	end

	describe "replies filtering with public messages" do
	setup :public_messages

	test "public timeline", %{users: %{u1: user}} do
	activities_ids =
	%{}
	\|> Map.put(:type, ["Create", "Announce"])
	\|> Map.put(:local_only, false)
	\|> Map.put(:blocking_user, user)
	\|> Map.put(:muting_user, user)
	\|> Map.put(:reply_filtering_user, user)
	\|> ActivityPub.fetch_public_activities()
	\|> Enum.map(& &1.id)

	assert length(activities_ids) == 16
	end

	test "public timeline with reply_visibility `following`", %{
	users: %{u1: user},
	u1: u1,
	u2: u2,
	u3: u3,
	u4: u4,
	activities: activities
	} do
	activities_ids =
	%{}
	\|> Map.put(:type, ["Create", "Announce"])
	\|> Map.put(:local_only, false)
	\|> Map.put(:blocking_user, user)
	\|> Map.put(:muting_user, user)
	\|> Map.put(:reply_visibility, "following")
	\|> Map.put(:reply_filtering_user, user)
	\|> ActivityPub.fetch_public_activities()
	\|> Enum.map(& &1.id)

	assert length(activities_ids) == 14

	visible_ids =
	Map.values(u1) ++ Map.values(u2) ++ Map.values(u4) ++ Map.values(activities) ++ [u3[:r1]]

	assert Enum.all?(visible_ids, &(&1 in activities_ids))
	end

	test "public timeline with reply_visibility `self`", %{
	users: %{u1: user},
	u1: u1,
	u2: u2,
	u3: u3,
	u4: u4,
	activities: activities
	} do
	activities_ids =
	%{}
	\|> Map.put(:type, ["Create", "Announce"])
	\|> Map.put(:local_only, false)
	\|> Map.put(:blocking_user, user)
	\|> Map.put(:muting_user, user)
	\|> Map.put(:reply_visibility, "self")
	\|> Map.put(:reply_filtering_user, user)
	\|> ActivityPub.fetch_public_activities()
	\|> Enum.map(& &1.id)

	assert length(activities_ids) == 10
	visible_ids = Map.values(u1) ++ [u2[:r1], u3[:r1], u4[:r1]] ++ Map.values(activities)
	assert Enum.all?(visible_ids, &(&1 in activities_ids))
	end

	test "home timeline", %{
	users: %{u1: user},
	activities: activities,
	u1: u1,
	u2: u2,
	u3: u3,
	u4: u4
	} do
	params =
	%{}
	\|> Map.put(:type, ["Create", "Announce"])
	\|> Map.put(:blocking_user, user)
	\|> Map.put(:muting_user, user)
	\|> Map.put(:user, user)
	\|> Map.put(:reply_filtering_user, user)

	activities_ids =
	ActivityPub.fetch_activities([user.ap_id \| User.following(user)], params)
	\|> Enum.map(& &1.id)

	assert length(activities_ids) == 13

	visible_ids =
	Map.values(u1) ++
	Map.values(u3) ++
	[
	activities[:a1],
	activities[:a2],
	activities[:a4],
	u2[:r1],
	u2[:r3],
	u4[:r1],
	u4[:r2]
	]

	assert Enum.all?(visible_ids, &(&1 in activities_ids))
	end

	test "home timeline with reply_visibility `following`", %{
	users: %{u1: user},
	activities: activities,
	u1: u1,
	u2: u2,
	u3: u3,
	u4: u4
	} do
	params =
	%{}
	\|> Map.put(:type, ["Create", "Announce"])
	\|> Map.put(:blocking_user, user)
	\|> Map.put(:muting_user, user)
	\|> Map.put(:user, user)
	\|> Map.put(:reply_visibility, "following")
	\|> Map.put(:reply_filtering_user, user)

	activities_ids =
	ActivityPub.fetch_activities([user.ap_id \| User.following(user)], params)
	\|> Enum.map(& &1.id)

	assert length(activities_ids) == 11

	visible_ids =
	Map.values(u1) ++
	[
	activities[:a1],
	activities[:a2],
	activities[:a4],
	u2[:r1],
	u2[:r3],
	u3[:r1],
	u4[:r1],
	u4[:r2]
	]

	assert Enum.all?(visible_ids, &(&1 in activities_ids))
	end

	test "home timeline with reply_visibility `self`", %{
	users: %{u1: user},
	activities: activities,
	u1: u1,
	u2: u2,
	u3: u3,
	u4: u4
	} do
	params =
	%{}
	\|> Map.put(:type, ["Create", "Announce"])
	\|> Map.put(:blocking_user, user)
	\|> Map.put(:muting_user, user)
	\|> Map.put(:user, user)
	\|> Map.put(:reply_visibility, "self")
	\|> Map.put(:reply_filtering_user, user)

	activities_ids =
	ActivityPub.fetch_activities([user.ap_id \| User.following(user)], params)
	\|> Enum.map(& &1.id)

	assert length(activities_ids) == 9

	visible_ids =
	Map.values(u1) ++
	[
	activities[:a1],
	activities[:a2],
	activities[:a4],
	u2[:r1],
	u3[:r1],
	u4[:r1]
	]

	assert Enum.all?(visible_ids, &(&1 in activities_ids))
	end

	test "filtering out announces where the user is the actor of the announced message" do
	user = insert(:user)
	other_user = insert(:user)
	third_user = insert(:user)
	User.follow(user, other_user)

	{:ok, post} = CommonAPI.post(user, %{status: "yo"})
	{:ok, other_post} = CommonAPI.post(third_user, %{status: "yo"})
	{:ok, _announce} = CommonAPI.repeat(post.id, other_user)
	{:ok, _announce} = CommonAPI.repeat(post.id, third_user)
	{:ok, announce} = CommonAPI.repeat(other_post.id, other_user)

	params = %{
	type: ["Announce"]
	}

	results =
	[user.ap_id \| User.following(user)]
	\|> ActivityPub.fetch_activities(params)

	assert length(results) == 3

	params = %{
	type: ["Announce"],
	announce_filtering_user: user
	}

	[result] =
	[user.ap_id \| User.following(user)]
	\|> ActivityPub.fetch_activities(params)

	assert result.id == announce.id
	end
	end

	describe "replies filtering with private messages" do
	setup :private_messages

	test "public timeline", %{users: %{u1: user}} do
	activities_ids =
	%{}
	\|> Map.put(:type, ["Create", "Announce"])
	\|> Map.put(:local_only, false)
	\|> Map.put(:blocking_user, user)
	\|> Map.put(:muting_user, user)
	\|> Map.put(:user, user)
	\|> ActivityPub.fetch_public_activities()
	\|> Enum.map(& &1.id)

	assert activities_ids == []
	end

	test "public timeline with default reply_visibility `following`", %{users: %{u1: user}} do
	activities_ids =
	%{}
	\|> Map.put(:type, ["Create", "Announce"])
	\|> Map.put(:local_only, false)
	\|> Map.put(:blocking_user, user)
	\|> Map.put(:muting_user, user)
	\|> Map.put(:reply_visibility, "following")
	\|> Map.put(:reply_filtering_user, user)
	\|> Map.put(:user, user)
	\|> ActivityPub.fetch_public_activities()
	\|> Enum.map(& &1.id)

	assert activities_ids == []
	end

	test "public timeline with default reply_visibility `self`", %{users: %{u1: user}} do
	activities_ids =
	%{}
	\|> Map.put(:type, ["Create", "Announce"])
	\|> Map.put(:local_only, false)
	\|> Map.put(:blocking_user, user)
	\|> Map.put(:muting_user, user)
	\|> Map.put(:reply_visibility, "self")
	\|> Map.put(:reply_filtering_user, user)
	\|> Map.put(:user, user)
	\|> ActivityPub.fetch_public_activities()
	\|> Enum.map(& &1.id)

	assert activities_ids == []
	end

	test "home timeline", %{users: %{u1: user}} do
	params =
	%{}
	\|> Map.put(:type, ["Create", "Announce"])
	\|> Map.put(:blocking_user, user)
	\|> Map.put(:muting_user, user)
	\|> Map.put(:user, user)

	activities_ids =
	ActivityPub.fetch_activities([user.ap_id \| User.following(user)], params)
	\|> Enum.map(& &1.id)

	assert length(activities_ids) == 12
	end

	test "home timeline with default reply_visibility `following`", %{users: %{u1: user}} do
	params =
	%{}
	\|> Map.put(:type, ["Create", "Announce"])
	\|> Map.put(:blocking_user, user)
	\|> Map.put(:muting_user, user)
	\|> Map.put(:user, user)
	\|> Map.put(:reply_visibility, "following")
	\|> Map.put(:reply_filtering_user, user)

	activities_ids =
	ActivityPub.fetch_activities([user.ap_id \| User.following(user)], params)
	\|> Enum.map(& &1.id)

	assert length(activities_ids) == 12
	end

	test "home timeline with default reply_visibility `self`", %{
	users: %{u1: user},
	activities: activities,
	u1: u1,
	u2: u2,
	u3: u3,
	u4: u4
	} do
	params =
	%{}
	\|> Map.put(:type, ["Create", "Announce"])
	\|> Map.put(:blocking_user, user)
	\|> Map.put(:muting_user, user)
	\|> Map.put(:user, user)
	\|> Map.put(:reply_visibility, "self")
	\|> Map.put(:reply_filtering_user, user)

	activities_ids =
	ActivityPub.fetch_activities([user.ap_id \| User.following(user)], params)
	\|> Enum.map(& &1.id)

	assert length(activities_ids) == 10

	visible_ids =
	Map.values(u1) ++ Map.values(u4) ++ [u2[:r1], u3[:r1]] ++ Map.values(activities)

	assert Enum.all?(visible_ids, &(&1 in activities_ids))
	end
	end

	defp public_messages(_) do
	[u1, u2, u3, u4] = insert_list(4, :user)
	{:ok, u1} = User.follow(u1, u2)
	{:ok, u2} = User.follow(u2, u1)
	{:ok, u1} = User.follow(u1, u4)
	{:ok, u4} = User.follow(u4, u1)

	{:ok, u2} = User.follow(u2, u3)
	{:ok, u3} = User.follow(u3, u2)

	{:ok, a1} = CommonAPI.post(u1, %{status: "Status"})

	{:ok, r1_1} =
	CommonAPI.post(u2, %{
	status: "@#{u1.nickname} reply from u2 to u1",
	in_reply_to_status_id: a1.id
	})

	{:ok, r1_2} =
	CommonAPI.post(u3, %{
	status: "@#{u1.nickname} reply from u3 to u1",
	in_reply_to_status_id: a1.id
	})

	{:ok, r1_3} =
	CommonAPI.post(u4, %{
	status: "@#{u1.nickname} reply from u4 to u1",
	in_reply_to_status_id: a1.id
	})

	{:ok, a2} = CommonAPI.post(u2, %{status: "Status"})

	{:ok, r2_1} =
	CommonAPI.post(u1, %{
	status: "@#{u2.nickname} reply from u1 to u2",
	in_reply_to_status_id: a2.id
	})

	{:ok, r2_2} =
	CommonAPI.post(u3, %{
	status: "@#{u2.nickname} reply from u3 to u2",
	in_reply_to_status_id: a2.id
	})

	{:ok, r2_3} =
	CommonAPI.post(u4, %{
	status: "@#{u2.nickname} reply from u4 to u2",
	in_reply_to_status_id: a2.id
	})

	{:ok, a3} = CommonAPI.post(u3, %{status: "Status"})

	{:ok, r3_1} =
	CommonAPI.post(u1, %{
	status: "@#{u3.nickname} reply from u1 to u3",
	in_reply_to_status_id: a3.id
	})

	{:ok, r3_2} =
	CommonAPI.post(u2, %{
	status: "@#{u3.nickname} reply from u2 to u3",
	in_reply_to_status_id: a3.id
	})

	{:ok, r3_3} =
	CommonAPI.post(u4, %{
	status: "@#{u3.nickname} reply from u4 to u3",
	in_reply_to_status_id: a3.id
	})

	{:ok, a4} = CommonAPI.post(u4, %{status: "Status"})

	{:ok, r4_1} =
	CommonAPI.post(u1, %{
	status: "@#{u4.nickname} reply from u1 to u4",
	in_reply_to_status_id: a4.id
	})

	{:ok, r4_2} =
	CommonAPI.post(u2, %{
	status: "@#{u4.nickname} reply from u2 to u4",
	in_reply_to_status_id: a4.id
	})

	{:ok, r4_3} =
	CommonAPI.post(u3, %{
	status: "@#{u4.nickname} reply from u3 to u4",
	in_reply_to_status_id: a4.id
	})

	{:ok,
	users: %{u1: u1, u2: u2, u3: u3, u4: u4},
	activities: %{a1: a1.id, a2: a2.id, a3: a3.id, a4: a4.id},
	u1: %{r1: r1_1.id, r2: r1_2.id, r3: r1_3.id},
	u2: %{r1: r2_1.id, r2: r2_2.id, r3: r2_3.id},
	u3: %{r1: r3_1.id, r2: r3_2.id, r3: r3_3.id},
	u4: %{r1: r4_1.id, r2: r4_2.id, r3: r4_3.id}}
	end

	defp private_messages(_) do
	[u1, u2, u3, u4] = insert_list(4, :user)
	{:ok, u1} = User.follow(u1, u2)
	{:ok, u2} = User.follow(u2, u1)
	{:ok, u1} = User.follow(u1, u3)
	{:ok, u3} = User.follow(u3, u1)
	{:ok, u1} = User.follow(u1, u4)
	{:ok, u4} = User.follow(u4, u1)

	{:ok, u2} = User.follow(u2, u3)
	{:ok, u3} = User.follow(u3, u2)

	{:ok, a1} = CommonAPI.post(u1, %{status: "Status", visibility: "private"})

	{:ok, r1_1} =
	CommonAPI.post(u2, %{
	status: "@#{u1.nickname} reply from u2 to u1",
	in_reply_to_status_id: a1.id,
	visibility: "private"
	})

	{:ok, r1_2} =
	CommonAPI.post(u3, %{
	status: "@#{u1.nickname} reply from u3 to u1",
	in_reply_to_status_id: a1.id,
	visibility: "private"
	})

	{:ok, r1_3} =
	CommonAPI.post(u4, %{
	status: "@#{u1.nickname} reply from u4 to u1",
	in_reply_to_status_id: a1.id,
	visibility: "private"
	})

	{:ok, a2} = CommonAPI.post(u2, %{status: "Status", visibility: "private"})

	{:ok, r2_1} =
	CommonAPI.post(u1, %{
	status: "@#{u2.nickname} reply from u1 to u2",
	in_reply_to_status_id: a2.id,
	visibility: "private"
	})

	{:ok, r2_2} =
	CommonAPI.post(u3, %{
	status: "@#{u2.nickname} reply from u3 to u2",
	in_reply_to_status_id: a2.id,
	visibility: "private"
	})

	{:ok, a3} = CommonAPI.post(u3, %{status: "Status", visibility: "private"})

	{:ok, r3_1} =
	CommonAPI.post(u1, %{
	status: "@#{u3.nickname} reply from u1 to u3",
	in_reply_to_status_id: a3.id,
	visibility: "private"
	})

	{:ok, r3_2} =
	CommonAPI.post(u2, %{
	status: "@#{u3.nickname} reply from u2 to u3",
	in_reply_to_status_id: a3.id,
	visibility: "private"
	})

	{:ok, a4} = CommonAPI.post(u4, %{status: "Status", visibility: "private"})

	{:ok, r4_1} =
	CommonAPI.post(u1, %{
	status: "@#{u4.nickname} reply from u1 to u4",
	in_reply_to_status_id: a4.id,
	visibility: "private"
	})

	{:ok,
	users: %{u1: u1, u2: u2, u3: u3, u4: u4},
	activities: %{a1: a1.id, a2: a2.id, a3: a3.id, a4: a4.id},
	u1: %{r1: r1_1.id, r2: r1_2.id, r3: r1_3.id},
	u2: %{r1: r2_1.id, r2: r2_2.id},
	u3: %{r1: r3_1.id, r2: r3_2.id},
	u4: %{r1: r4_1.id}}
	end

	describe "maybe_update_follow_information/1" do
	setup do
	clear_config([:instance, :external_user_synchronization], true)

	user = %{
	local: false,
	ap_id: "https://gensokyo.2hu/users/raymoo",
	following_address: "https://gensokyo.2hu/users/following",
	follower_address: "https://gensokyo.2hu/users/followers",
	type: "Person"
	}

	%{user: user}
	end

	test "logs an error when it can't fetch the info", %{user: user} do
	assert capture_log(fn ->
	ActivityPub.maybe_update_follow_information(user)
	end) =~ "Follower/Following counter update for #{user.ap_id} failed"
	end

	test "just returns the input if the user type is Application", %{
	user: user
	} do
	user =
	user
	\|> Map.put(:type, "Application")

	refute capture_log(fn ->
	assert ^user = ActivityPub.maybe_update_follow_information(user)
	end) =~ "Follower/Following counter update for #{user.ap_id} failed"
	end

	test "it just returns the input if the user has no following/follower addresses", %{
	user: user
	} do
	user =
	user
	\|> Map.put(:following_address, nil)
	\|> Map.put(:follower_address, nil)

	refute capture_log(fn ->
	assert ^user = ActivityPub.maybe_update_follow_information(user)
	end) =~ "Follower/Following counter update for #{user.ap_id} failed"
	end
	end

	describe "global activity expiration" do
	setup do: clear_config([:mrf, :policies])

	test "creates an activity expiration for local Create activities" do
	Pleroma.Config.put(
	[:mrf, :policies],
	Pleroma.Web.ActivityPub.MRF.ActivityExpirationPolicy
	)

	{:ok, %{id: id_create}} = ActivityBuilder.insert(%{"type" => "Create", "context" => "3hu"})
	{:ok, _follow} = ActivityBuilder.insert(%{"type" => "Follow", "context" => "3hu"})

	assert [%{activity_id: ^id_create}] = Pleroma.ActivityExpiration \|> Repo.all()
	end
	end
	end
	diff --git a/test/web/activity_pub/object_validator_test.exs b/test/web/activity_pub/object_validator_test.exs
	index 31224abe0..770a8dcf8 100644
	--- a/test/web/activity_pub/object_validator_test.exs
	+++ b/test/web/activity_pub/object_validator_test.exs
	@@ -1,625 +1,657 @@
	defmodule Pleroma.Web.ActivityPub.ObjectValidatorTest do
	use Pleroma.DataCase

	alias Pleroma.Object
	alias Pleroma.Web.ActivityPub.ActivityPub
	alias Pleroma.Web.ActivityPub.Builder
	alias Pleroma.Web.ActivityPub.ObjectValidator
	alias Pleroma.Web.ActivityPub.ObjectValidators.AttachmentValidator
	alias Pleroma.Web.ActivityPub.ObjectValidators.LikeValidator
	alias Pleroma.Web.ActivityPub.Utils
	alias Pleroma.Web.CommonAPI

	import Pleroma.Factory

	describe "attachments" do
	test "works with honkerific attachments" do
	attachment = %{
	"mediaType" => "",
	"name" => "",
	"summary" => "298p3RG7j27tfsZ9RQ.jpg",
	"type" => "Document",
	"url" => "https://honk.tedunangst.com/d/298p3RG7j27tfsZ9RQ.jpg"
	}

	assert {:ok, attachment} =
	AttachmentValidator.cast_and_validate(attachment)
	\|> Ecto.Changeset.apply_action(:insert)

	assert attachment.mediaType == "application/octet-stream"
	end

	test "it turns mastodon attachments into our attachments" do
	attachment = %{
	"url" =>
	"http://mastodon.example.org/system/media_attachments/files/000/000/002/original/334ce029e7bfb920.jpg",
	"type" => "Document",
	"name" => nil,
	"mediaType" => "image/jpeg"
	}

	{:ok, attachment} =
	AttachmentValidator.cast_and_validate(attachment)
	\|> Ecto.Changeset.apply_action(:insert)

	assert [
	%{
	href:
	"http://mastodon.example.org/system/media_attachments/files/000/000/002/original/334ce029e7bfb920.jpg",
	type: "Link",
	mediaType: "image/jpeg"
	}
	] = attachment.url

	assert attachment.mediaType == "image/jpeg"
	end

	test "it handles our own uploads" do
	user = insert(:user)

	file = %Plug.Upload{
	content_type: "image/jpg",
	path: Path.absname("test/fixtures/image.jpg"),
	filename: "an_image.jpg"
	}

	{:ok, attachment} = ActivityPub.upload(file, actor: user.ap_id)

	{:ok, attachment} =
	attachment.data
	\|> AttachmentValidator.cast_and_validate()
	\|> Ecto.Changeset.apply_action(:insert)

	assert attachment.mediaType == "image/jpeg"
	end
	end

	describe "chat message create activities" do
	test "it is invalid if the object already exists" do
	user = insert(:user)
	recipient = insert(:user)
	{:ok, activity} = CommonAPI.post_chat_message(user, recipient, "hey")
	object = Object.normalize(activity, false)

	{:ok, create_data, _} = Builder.create(user, object.data, [recipient.ap_id])

	{:error, cng} = ObjectValidator.validate(create_data, [])

	assert {:object, {"The object to create already exists", []}} in cng.errors
	end

	test "it is invalid if the object data has a different `to` or `actor` field" do
	user = insert(:user)
	recipient = insert(:user)
	{:ok, object_data, _} = Builder.chat_message(recipient, user.ap_id, "Hey")

	{:ok, create_data, _} = Builder.create(user, object_data, [recipient.ap_id])

	{:error, cng} = ObjectValidator.validate(create_data, [])

	assert {:to, {"Recipients don't match with object recipients", []}} in cng.errors
	assert {:actor, {"Actor doesn't match with object actor", []}} in cng.errors
	end
	end

	describe "chat messages" do
	setup do
	clear_config([:instance, :remote_limit])
	user = insert(:user)
	recipient = insert(:user, local: false)

	{:ok, valid_chat_message, _} = Builder.chat_message(user, recipient.ap_id, "hey :firefox:")

	%{user: user, recipient: recipient, valid_chat_message: valid_chat_message}
	end

	test "let's through some basic html", %{user: user, recipient: recipient} do
	{:ok, valid_chat_message, _} =
	Builder.chat_message(
	user,
	recipient.ap_id,
	"hey <a href='https://example.org'>example</a> <script>alert('uguu')</script>"
	)

	assert {:ok, object, _meta} = ObjectValidator.validate(valid_chat_message, [])

	assert object["content"] ==
	"hey <a href=\"https://example.org\">example</a> alert('uguu')"
	end

	test "validates for a basic object we build", %{valid_chat_message: valid_chat_message} do
	assert {:ok, object, _meta} = ObjectValidator.validate(valid_chat_message, [])

	assert Map.put(valid_chat_message, "attachment", nil) == object
	end

	test "validates for a basic object with an attachment", %{
	valid_chat_message: valid_chat_message,
	user: user
	} do
	file = %Plug.Upload{
	content_type: "image/jpg",
	path: Path.absname("test/fixtures/image.jpg"),
	filename: "an_image.jpg"
	}

	{:ok, attachment} = ActivityPub.upload(file, actor: user.ap_id)

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

	assert {:ok, object, _meta} = ObjectValidator.validate(valid_chat_message, [])

	assert object["attachment"]
	end

	test "validates for a basic object with an attachment in an array", %{
	valid_chat_message: valid_chat_message,
	user: user
	} do
	file = %Plug.Upload{
	content_type: "image/jpg",
	path: Path.absname("test/fixtures/image.jpg"),
	filename: "an_image.jpg"
	}

	{:ok, attachment} = ActivityPub.upload(file, actor: user.ap_id)

	valid_chat_message =
	valid_chat_message
	\|> Map.put("attachment", [attachment.data])

	assert {:ok, object, _meta} = ObjectValidator.validate(valid_chat_message, [])

	assert object["attachment"]
	end

	test "validates for a basic object with an attachment but without content", %{
	valid_chat_message: valid_chat_message,
	user: user
	} do
	file = %Plug.Upload{
	content_type: "image/jpg",
	path: Path.absname("test/fixtures/image.jpg"),
	filename: "an_image.jpg"
	}

	{:ok, attachment} = ActivityPub.upload(file, actor: user.ap_id)

	valid_chat_message =
	valid_chat_message
	\|> Map.put("attachment", attachment.data)
	\|> Map.delete("content")

	assert {:ok, object, _meta} = ObjectValidator.validate(valid_chat_message, [])

	assert object["attachment"]
	end

	test "does not validate if the message has no content", %{
	valid_chat_message: valid_chat_message
	} do
	contentless =
	valid_chat_message
	\|> Map.delete("content")

	refute match?({:ok, _object, _meta}, ObjectValidator.validate(contentless, []))
	end

	test "does not validate if the message is longer than the remote_limit", %{
	valid_chat_message: valid_chat_message
	} do
	Pleroma.Config.put([:instance, :remote_limit], 2)
	refute match?({:ok, _object, _meta}, ObjectValidator.validate(valid_chat_message, []))
	end

	test "does not validate if the recipient is blocking the actor", %{
	valid_chat_message: valid_chat_message,
	user: user,
	recipient: recipient
	} do
	Pleroma.User.block(recipient, user)
	refute match?({:ok, _object, _meta}, ObjectValidator.validate(valid_chat_message, []))
	end

	test "does not validate if the actor or the recipient is not in our system", %{
	valid_chat_message: valid_chat_message
	} do
	chat_message =
	valid_chat_message
	\|> Map.put("actor", "https://raymoo.com/raymoo")

	{:error, _} = ObjectValidator.validate(chat_message, [])

	chat_message =
	valid_chat_message
	\|> Map.put("to", ["https://raymoo.com/raymoo"])

	{:error, _} = ObjectValidator.validate(chat_message, [])
	end

	test "does not validate for a message with multiple recipients", %{
	valid_chat_message: valid_chat_message,
	user: user,
	recipient: recipient
	} do
	chat_message =
	valid_chat_message
	\|> Map.put("to", [user.ap_id, recipient.ap_id])

	assert {:error, _} = ObjectValidator.validate(chat_message, [])
	end

	test "does not validate if it doesn't concern local users" do
	user = insert(:user, local: false)
	recipient = insert(:user, local: false)

	{:ok, valid_chat_message, _} = Builder.chat_message(user, recipient.ap_id, "hey")
	assert {:error, _} = ObjectValidator.validate(valid_chat_message, [])
	end
	end

	describe "EmojiReacts" do
	setup do
	user = insert(:user)
	{:ok, post_activity} = CommonAPI.post(user, %{status: "uguu"})

	object = Pleroma.Object.get_by_ap_id(post_activity.data["object"])

	{:ok, valid_emoji_react, []} = Builder.emoji_react(user, object, "👌")

	%{user: user, post_activity: post_activity, valid_emoji_react: valid_emoji_react}
	end

	test "it validates a valid EmojiReact", %{valid_emoji_react: valid_emoji_react} do
	assert {:ok, _, _} = ObjectValidator.validate(valid_emoji_react, [])
	end

	test "it is not valid without a 'content' field", %{valid_emoji_react: valid_emoji_react} do
	without_content =
	valid_emoji_react
	\|> Map.delete("content")

	{:error, cng} = ObjectValidator.validate(without_content, [])

	refute cng.valid?
	assert {:content, {"can't be blank", [validation: :required]}} in cng.errors
	end

	test "it is not valid with a non-emoji content field", %{valid_emoji_react: valid_emoji_react} do
	without_emoji_content =
	valid_emoji_react
	\|> Map.put("content", "x")

	{:error, cng} = ObjectValidator.validate(without_emoji_content, [])

	refute cng.valid?

	assert {:content, {"must be a single character emoji", []}} in cng.errors
	end
	end

	describe "Undos" do
	setup do
	user = insert(:user)
	{:ok, post_activity} = CommonAPI.post(user, %{status: "uguu"})
	{:ok, like} = CommonAPI.favorite(user, post_activity.id)
	{:ok, valid_like_undo, []} = Builder.undo(user, like)

	%{user: user, like: like, valid_like_undo: valid_like_undo}
	end

	test "it validates a basic like undo", %{valid_like_undo: valid_like_undo} do
	assert {:ok, _, _} = ObjectValidator.validate(valid_like_undo, [])
	end

	test "it does not validate if the actor of the undo is not the actor of the object", %{
	valid_like_undo: valid_like_undo
	} do
	other_user = insert(:user, ap_id: "https://gensokyo.2hu/users/raymoo")

	bad_actor =
	valid_like_undo
	\|> Map.put("actor", other_user.ap_id)

	{:error, cng} = ObjectValidator.validate(bad_actor, [])

	assert {:actor, {"not the same as object actor", []}} in cng.errors
	end

	test "it does not validate if the object is missing", %{valid_like_undo: valid_like_undo} do
	missing_object =
	valid_like_undo
	\|> Map.put("object", "https://gensokyo.2hu/objects/1")

	{:error, cng} = ObjectValidator.validate(missing_object, [])

	assert {:object, {"can't find object", []}} in cng.errors
	assert length(cng.errors) == 1
	end
	end

	describe "deletes" do
	setup do
	user = insert(:user)
	{:ok, post_activity} = CommonAPI.post(user, %{status: "cancel me daddy"})

	{:ok, valid_post_delete, _} = Builder.delete(user, post_activity.data["object"])
	{:ok, valid_user_delete, _} = Builder.delete(user, user.ap_id)

	%{user: user, valid_post_delete: valid_post_delete, valid_user_delete: valid_user_delete}
	end

	test "it is valid for a post deletion", %{valid_post_delete: valid_post_delete} do
	{:ok, valid_post_delete, _} = ObjectValidator.validate(valid_post_delete, [])

	assert valid_post_delete["deleted_activity_id"]
	end

	test "it is invalid if the object isn't in a list of certain types", %{
	valid_post_delete: valid_post_delete
	} do
	object = Object.get_by_ap_id(valid_post_delete["object"])

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

	{:ok, _object} =
	object
	\|> Ecto.Changeset.change(%{data: data})
	\|> Object.update_and_set_cache()

	{:error, cng} = ObjectValidator.validate(valid_post_delete, [])
	assert {:object, {"object not in allowed types", []}} in cng.errors
	end

	test "it is valid for a user deletion", %{valid_user_delete: valid_user_delete} do
	assert match?({:ok, _, _}, ObjectValidator.validate(valid_user_delete, []))
	end

	test "it's invalid if the id is missing", %{valid_post_delete: valid_post_delete} do
	no_id =
	valid_post_delete
	\|> Map.delete("id")

	{:error, cng} = ObjectValidator.validate(no_id, [])

	assert {:id, {"can't be blank", [validation: :required]}} in cng.errors
	end

	test "it's invalid if the object doesn't exist", %{valid_post_delete: valid_post_delete} do
	missing_object =
	valid_post_delete
	\|> Map.put("object", "http://does.not/exist")

	{:error, cng} = ObjectValidator.validate(missing_object, [])

	assert {:object, {"can't find object", []}} in cng.errors
	end

	test "it's invalid if the actor of the object and the actor of delete are from different domains",
	%{valid_post_delete: valid_post_delete} do
	valid_user = insert(:user)

	valid_other_actor =
	valid_post_delete
	\|> Map.put("actor", valid_user.ap_id)

	assert match?({:ok, _, _}, ObjectValidator.validate(valid_other_actor, []))

	invalid_other_actor =
	valid_post_delete
	\|> Map.put("actor", "https://gensokyo.2hu/users/raymoo")

	{:error, cng} = ObjectValidator.validate(invalid_other_actor, [])

	assert {:actor, {"is not allowed to delete object", []}} in cng.errors
	end

	test "it's valid if the actor of the object is a local superuser",
	%{valid_post_delete: valid_post_delete} do
	user =
	insert(:user, local: true, is_moderator: true, ap_id: "https://gensokyo.2hu/users/raymoo")

	valid_other_actor =
	valid_post_delete
	\|> Map.put("actor", user.ap_id)

	{:ok, _, meta} = ObjectValidator.validate(valid_other_actor, [])
	assert meta[:do_not_federate]
	end
	end

	describe "likes" do
	setup do
	user = insert(:user)
	{:ok, post_activity} = CommonAPI.post(user, %{status: "uguu"})

	valid_like = %{
	"to" => [user.ap_id],
	"cc" => [],
	"type" => "Like",
	"id" => Utils.generate_activity_id(),
	"object" => post_activity.data["object"],
	"actor" => user.ap_id,
	"context" => "a context"
	}

	%{valid_like: valid_like, user: user, post_activity: post_activity}
	end

	test "returns ok when called in the ObjectValidator", %{valid_like: valid_like} do
	{:ok, object, _meta} = ObjectValidator.validate(valid_like, [])

	assert "id" in Map.keys(object)
	end

	test "is valid for a valid object", %{valid_like: valid_like} do
	assert LikeValidator.cast_and_validate(valid_like).valid?
	end

	test "sets the 'to' field to the object actor if no recipients are given", %{
	valid_like: valid_like,
	user: user
	} do
	without_recipients =
	valid_like
	\|> Map.delete("to")

	{:ok, object, _meta} = ObjectValidator.validate(without_recipients, [])

	assert object["to"] == [user.ap_id]
	end

	test "sets the context field to the context of the object if no context is given", %{
	valid_like: valid_like,
	post_activity: post_activity
	} do
	without_context =
	valid_like
	\|> Map.delete("context")

	{:ok, object, _meta} = ObjectValidator.validate(without_context, [])

	assert object["context"] == post_activity.data["context"]
	end

	test "it errors when the actor is missing or not known", %{valid_like: valid_like} do
	without_actor = Map.delete(valid_like, "actor")

	refute LikeValidator.cast_and_validate(without_actor).valid?

	with_invalid_actor = Map.put(valid_like, "actor", "invalidactor")

	refute LikeValidator.cast_and_validate(with_invalid_actor).valid?
	end

	test "it errors when the object is missing or not known", %{valid_like: valid_like} do
	without_object = Map.delete(valid_like, "object")

	refute LikeValidator.cast_and_validate(without_object).valid?

	with_invalid_object = Map.put(valid_like, "object", "invalidobject")

	refute LikeValidator.cast_and_validate(with_invalid_object).valid?
	end

	test "it errors when the actor has already like the object", %{
	valid_like: valid_like,
	user: user,
	post_activity: post_activity
	} do
	_like = CommonAPI.favorite(user, post_activity.id)

	refute LikeValidator.cast_and_validate(valid_like).valid?
	end

	test "it works when actor or object are wrapped in maps", %{valid_like: valid_like} do
	wrapped_like =
	valid_like
	\|> Map.put("actor", %{"id" => valid_like["actor"]})
	\|> Map.put("object", %{"id" => valid_like["object"]})

	validated = LikeValidator.cast_and_validate(wrapped_like)

	assert validated.valid?

	assert {:actor, valid_like["actor"]} in validated.changes
	assert {:object, valid_like["object"]} in validated.changes
	end
	end

	describe "announces" do
	setup do
	user = insert(:user)
	announcer = insert(:user)
	{:ok, post_activity} = CommonAPI.post(user, %{status: "uguu"})

	object = Object.normalize(post_activity, false)
	{:ok, valid_announce, []} = Builder.announce(announcer, object)

	%{
	valid_announce: valid_announce,
	user: user,
	post_activity: post_activity,
	announcer: announcer
	}
	end

	test "returns ok for a valid announce", %{valid_announce: valid_announce} do
	assert {:ok, _object, _meta} = ObjectValidator.validate(valid_announce, [])
	end

	test "returns an error if the object can't be found", %{valid_announce: valid_announce} do
	without_object =
	valid_announce
	\|> Map.delete("object")

	{:error, cng} = ObjectValidator.validate(without_object, [])

	assert {:object, {"can't be blank", [validation: :required]}} in cng.errors

	nonexisting_object =
	valid_announce
	\|> Map.put("object", "https://gensokyo.2hu/objects/99999999")

	{:error, cng} = ObjectValidator.validate(nonexisting_object, [])

	assert {:object, {"can't find object", []}} in cng.errors
	end

	test "returns an error if we don't have the actor", %{valid_announce: valid_announce} do
	nonexisting_actor =
	valid_announce
	\|> Map.put("actor", "https://gensokyo.2hu/users/raymoo")

	{:error, cng} = ObjectValidator.validate(nonexisting_actor, [])

	assert {:actor, {"can't find user", []}} in cng.errors
	end

	test "returns an error if the actor already announced the object", %{
	valid_announce: valid_announce,
	announcer: announcer,
	post_activity: post_activity
	} do
	_announce = CommonAPI.repeat(post_activity.id, announcer)

	{:error, cng} = ObjectValidator.validate(valid_announce, [])

	assert {:actor, {"already announced this object", []}} in cng.errors
	assert {:object, {"already announced by this actor", []}} in cng.errors
	end

	test "returns an error if the actor can't announce the object", %{
	announcer: announcer,
	user: user
	} do
	{:ok, post_activity} =
	CommonAPI.post(user, %{status: "a secret post", visibility: "private"})

	object = Object.normalize(post_activity, false)

	# Another user can't announce it
	{:ok, announce, []} = Builder.announce(announcer, object, public: false)

	{:error, cng} = ObjectValidator.validate(announce, [])

	assert {:actor, {"can not announce this object", []}} in cng.errors

	# The actor of the object can announce it
	{:ok, announce, []} = Builder.announce(user, object, public: false)

	assert {:ok, _, _} = ObjectValidator.validate(announce, [])

	# The actor of the object can not announce it publicly
	{:ok, announce, []} = Builder.announce(user, object, public: true)

	{:error, cng} = ObjectValidator.validate(announce, [])

	assert {:actor, {"can not announce this object publicly", []}} in cng.errors
	end
	end
	+
	+ describe "updates" do
	+ setup do
	+ user = insert(:user)
	+
	+ object = %{
	+ "id" => user.ap_id,
	+ "name" => "A new name",
	+ "summary" => "A new bio"
	+ }
	+
	+ {:ok, valid_update, []} = Builder.update(user, object)
	+
	+ %{user: user, valid_update: valid_update}
	+ end
	+
	+ test "validates a basic object", %{valid_update: valid_update} do
	+ assert {:ok, _update, []} = ObjectValidator.validate(valid_update, [])
	+ end
	+
	+ test "returns an error if the object can't be updated by the actor", %{
	+ valid_update: valid_update
	+ } do
	+ other_user = insert(:user)
	+
	+ update =
	+ valid_update
	+ \|> Map.put("actor", other_user.ap_id)
	+
	+ assert {:error, _cng} = ObjectValidator.validate(update, [])
	+ end
	+ end
	end
	diff --git a/test/web/activity_pub/side_effects_test.exs b/test/web/activity_pub/side_effects_test.exs
	index 6bbbaae87..12c9ef1da 100644
	--- a/test/web/activity_pub/side_effects_test.exs
	+++ b/test/web/activity_pub/side_effects_test.exs
	@@ -1,534 +1,559 @@
	# Pleroma: A lightweight social networking server
	# Copyright © 2017-2020 Pleroma Authors <https://pleroma.social/>
	# SPDX-License-Identifier: AGPL-3.0-only

	defmodule Pleroma.Web.ActivityPub.SideEffectsTest do
	use Oban.Testing, repo: Pleroma.Repo
	use Pleroma.DataCase

	alias Pleroma.Activity
	alias Pleroma.Chat
	alias Pleroma.Chat.MessageReference
	alias Pleroma.Notification
	alias Pleroma.Object
	alias Pleroma.Repo
	alias Pleroma.Tests.ObanHelpers
	alias Pleroma.User
	alias Pleroma.Web.ActivityPub.ActivityPub
	alias Pleroma.Web.ActivityPub.Builder
	alias Pleroma.Web.ActivityPub.SideEffects
	alias Pleroma.Web.CommonAPI

	import Pleroma.Factory
	import Mock

	describe "handle_after_transaction" do
	test "it streams out notifications and streams" do
	author = insert(:user, local: true)
	recipient = insert(:user, local: true)

	{:ok, chat_message_data, _meta} = Builder.chat_message(author, recipient.ap_id, "hey")

	{:ok, create_activity_data, _meta} =
	Builder.create(author, chat_message_data["id"], [recipient.ap_id])

	{:ok, create_activity, _meta} = ActivityPub.persist(create_activity_data, local: false)

	{:ok, _create_activity, meta} =
	SideEffects.handle(create_activity, local: false, object_data: chat_message_data)

	assert [notification] = meta[:notifications]

	with_mocks([
	{
	Pleroma.Web.Streamer,
	[],
	[
	stream: fn _, _ -> nil end
	]
	},
	{
	Pleroma.Web.Push,
	[],
	[
	send: fn _ -> nil end
	]
	}
	]) do
	SideEffects.handle_after_transaction(meta)

	assert called(Pleroma.Web.Streamer.stream(["user", "user:notification"], notification))
	assert called(Pleroma.Web.Streamer.stream(["user", "user:pleroma_chat"], :_))
	assert called(Pleroma.Web.Push.send(notification))
	end
	end
	end

	+ describe "update users" do
	+ setup do
	+ user = insert(:user)
	+ {:ok, update_data, []} = Builder.update(user, %{"id" => user.ap_id, "name" => "new name!"})
	+ {:ok, update, _meta} = ActivityPub.persist(update_data, local: true)
	+
	+ %{user: user, update_data: update_data, update: update}
	+ end
	+
	+ test "it updates the user", %{user: user, update: update} do
	+ {:ok, _, _} = SideEffects.handle(update)
	+ user = User.get_by_id(user.id)
	+ assert user.name == "new name!"
	+ end
	+
	+ test "it uses a given changeset to update", %{user: user, update: update} do
	+ changeset = Ecto.Changeset.change(user, %{default_scope: "direct"})
	+
	+ assert user.default_scope == "public"
	+ {:ok, _, _} = SideEffects.handle(update, user_update_changeset: changeset)
	+ user = User.get_by_id(user.id)
	+ assert user.default_scope == "direct"
	+ end
	+ end
	+
	describe "delete objects" do
	setup do
	user = insert(:user)
	other_user = insert(:user)

	{:ok, op} = CommonAPI.post(other_user, %{status: "big oof"})
	{:ok, post} = CommonAPI.post(user, %{status: "hey", in_reply_to_id: op})
	{:ok, favorite} = CommonAPI.favorite(user, post.id)
	object = Object.normalize(post)
	{:ok, delete_data, _meta} = Builder.delete(user, object.data["id"])
	{:ok, delete_user_data, _meta} = Builder.delete(user, user.ap_id)
	{:ok, delete, _meta} = ActivityPub.persist(delete_data, local: true)
	{:ok, delete_user, _meta} = ActivityPub.persist(delete_user_data, local: true)

	%{
	user: user,
	delete: delete,
	post: post,
	object: object,
	delete_user: delete_user,
	op: op,
	favorite: favorite
	}
	end

	test "it handles object deletions", %{
	delete: delete,
	post: post,
	object: object,
	user: user,
	op: op,
	favorite: favorite
	} do
	with_mock Pleroma.Web.ActivityPub.ActivityPub, [:passthrough],
	stream_out: fn _ -> nil end,
	stream_out_participations: fn _, _ -> nil end do
	{:ok, delete, _} = SideEffects.handle(delete)
	user = User.get_cached_by_ap_id(object.data["actor"])

	assert called(Pleroma.Web.ActivityPub.ActivityPub.stream_out(delete))
	assert called(Pleroma.Web.ActivityPub.ActivityPub.stream_out_participations(object, user))
	end

	object = Object.get_by_id(object.id)
	assert object.data["type"] == "Tombstone"
	refute Activity.get_by_id(post.id)
	refute Activity.get_by_id(favorite.id)

	user = User.get_by_id(user.id)
	assert user.note_count == 0

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

	assert object.data["repliesCount"] == 0
	end

	test "it handles object deletions when the object itself has been pruned", %{
	delete: delete,
	post: post,
	object: object,
	user: user,
	op: op
	} do
	with_mock Pleroma.Web.ActivityPub.ActivityPub, [:passthrough],
	stream_out: fn _ -> nil end,
	stream_out_participations: fn _, _ -> nil end do
	{:ok, delete, _} = SideEffects.handle(delete)
	user = User.get_cached_by_ap_id(object.data["actor"])

	assert called(Pleroma.Web.ActivityPub.ActivityPub.stream_out(delete))
	assert called(Pleroma.Web.ActivityPub.ActivityPub.stream_out_participations(object, user))
	end

	object = Object.get_by_id(object.id)
	assert object.data["type"] == "Tombstone"
	refute Activity.get_by_id(post.id)

	user = User.get_by_id(user.id)
	assert user.note_count == 0

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

	assert object.data["repliesCount"] == 0
	end

	test "it handles user deletions", %{delete_user: delete, user: user} do
	{:ok, _delete, _} = SideEffects.handle(delete)
	ObanHelpers.perform_all()

	assert User.get_cached_by_ap_id(user.ap_id).deactivated
	end
	end

	describe "EmojiReact objects" do
	setup do
	poster = insert(:user)
	user = insert(:user)

	{:ok, post} = CommonAPI.post(poster, %{status: "hey"})

	{:ok, emoji_react_data, []} = Builder.emoji_react(user, post.object, "👌")
	{:ok, emoji_react, _meta} = ActivityPub.persist(emoji_react_data, local: true)

	%{emoji_react: emoji_react, user: user, poster: poster}
	end

	test "adds the reaction to the object", %{emoji_react: emoji_react, user: user} do
	{:ok, emoji_react, _} = SideEffects.handle(emoji_react)
	object = Object.get_by_ap_id(emoji_react.data["object"])

	assert object.data["reaction_count"] == 1
	assert ["👌", [user.ap_id]] in object.data["reactions"]
	end

	test "creates a notification", %{emoji_react: emoji_react, poster: poster} do
	{:ok, emoji_react, _} = SideEffects.handle(emoji_react)
	assert Repo.get_by(Notification, user_id: poster.id, activity_id: emoji_react.id)
	end
	end

	describe "delete users with confirmation pending" do
	setup do
	user = insert(:user, confirmation_pending: true)
	{:ok, delete_user_data, _meta} = Builder.delete(user, user.ap_id)
	{:ok, delete_user, _meta} = ActivityPub.persist(delete_user_data, local: true)
	{:ok, delete: delete_user, user: user}
	end

	test "when activation is not required", %{delete: delete, user: user} do
	clear_config([:instance, :account_activation_required], false)
	{:ok, _, _} = SideEffects.handle(delete)
	ObanHelpers.perform_all()

	assert User.get_cached_by_id(user.id).deactivated
	end

	test "when activation is required", %{delete: delete, user: user} do
	clear_config([:instance, :account_activation_required], true)
	{:ok, _, _} = SideEffects.handle(delete)
	ObanHelpers.perform_all()

	refute User.get_cached_by_id(user.id)
	end
	end

	describe "Undo objects" do
	setup do
	poster = insert(:user)
	user = insert(:user)
	{:ok, post} = CommonAPI.post(poster, %{status: "hey"})
	{:ok, like} = CommonAPI.favorite(user, post.id)
	{:ok, reaction} = CommonAPI.react_with_emoji(post.id, user, "👍")
	{:ok, announce} = CommonAPI.repeat(post.id, user)
	{:ok, block} = ActivityPub.block(user, poster)
	User.block(user, poster)

	{:ok, undo_data, _meta} = Builder.undo(user, like)
	{:ok, like_undo, _meta} = ActivityPub.persist(undo_data, local: true)

	{:ok, undo_data, _meta} = Builder.undo(user, reaction)
	{:ok, reaction_undo, _meta} = ActivityPub.persist(undo_data, local: true)

	{:ok, undo_data, _meta} = Builder.undo(user, announce)
	{:ok, announce_undo, _meta} = ActivityPub.persist(undo_data, local: true)

	{:ok, undo_data, _meta} = Builder.undo(user, block)
	{:ok, block_undo, _meta} = ActivityPub.persist(undo_data, local: true)

	%{
	like_undo: like_undo,
	post: post,
	like: like,
	reaction_undo: reaction_undo,
	reaction: reaction,
	announce_undo: announce_undo,
	announce: announce,
	block_undo: block_undo,
	block: block,
	poster: poster,
	user: user
	}
	end

	test "deletes the original block", %{block_undo: block_undo, block: block} do
	{:ok, _block_undo, _} = SideEffects.handle(block_undo)
	refute Activity.get_by_id(block.id)
	end

	test "unblocks the blocked user", %{block_undo: block_undo, block: block} do
	blocker = User.get_by_ap_id(block.data["actor"])
	blocked = User.get_by_ap_id(block.data["object"])

	{:ok, _block_undo, _} = SideEffects.handle(block_undo)
	refute User.blocks?(blocker, blocked)
	end

	test "an announce undo removes the announce from the object", %{
	announce_undo: announce_undo,
	post: post
	} do
	{:ok, _announce_undo, _} = SideEffects.handle(announce_undo)

	object = Object.get_by_ap_id(post.data["object"])

	assert object.data["announcement_count"] == 0
	assert object.data["announcements"] == []
	end

	test "deletes the original announce", %{announce_undo: announce_undo, announce: announce} do
	{:ok, _announce_undo, _} = SideEffects.handle(announce_undo)
	refute Activity.get_by_id(announce.id)
	end

	test "a reaction undo removes the reaction from the object", %{
	reaction_undo: reaction_undo,
	post: post
	} do
	{:ok, _reaction_undo, _} = SideEffects.handle(reaction_undo)

	object = Object.get_by_ap_id(post.data["object"])

	assert object.data["reaction_count"] == 0
	assert object.data["reactions"] == []
	end

	test "deletes the original reaction", %{reaction_undo: reaction_undo, reaction: reaction} do
	{:ok, _reaction_undo, _} = SideEffects.handle(reaction_undo)
	refute Activity.get_by_id(reaction.id)
	end

	test "a like undo removes the like from the object", %{like_undo: like_undo, post: post} do
	{:ok, _like_undo, _} = SideEffects.handle(like_undo)

	object = Object.get_by_ap_id(post.data["object"])

	assert object.data["like_count"] == 0
	assert object.data["likes"] == []
	end

	test "deletes the original like", %{like_undo: like_undo, like: like} do
	{:ok, _like_undo, _} = SideEffects.handle(like_undo)
	refute Activity.get_by_id(like.id)
	end
	end

	describe "like objects" do
	setup do
	poster = insert(:user)
	user = insert(:user)
	{:ok, post} = CommonAPI.post(poster, %{status: "hey"})

	{:ok, like_data, _meta} = Builder.like(user, post.object)
	{:ok, like, _meta} = ActivityPub.persist(like_data, local: true)

	%{like: like, user: user, poster: poster}
	end

	test "add the like to the original object", %{like: like, user: user} do
	{:ok, like, _} = SideEffects.handle(like)
	object = Object.get_by_ap_id(like.data["object"])
	assert object.data["like_count"] == 1
	assert user.ap_id in object.data["likes"]
	end

	test "creates a notification", %{like: like, poster: poster} do
	{:ok, like, _} = SideEffects.handle(like)
	assert Repo.get_by(Notification, user_id: poster.id, activity_id: like.id)
	end
	end

	describe "creation of ChatMessages" do
	test "notifies the recipient" do
	author = insert(:user, local: false)
	recipient = insert(:user, local: true)

	{:ok, chat_message_data, _meta} = Builder.chat_message(author, recipient.ap_id, "hey")

	{:ok, create_activity_data, _meta} =
	Builder.create(author, chat_message_data["id"], [recipient.ap_id])

	{:ok, create_activity, _meta} = ActivityPub.persist(create_activity_data, local: false)

	{:ok, _create_activity, _meta} =
	SideEffects.handle(create_activity, local: false, object_data: chat_message_data)

	assert Repo.get_by(Notification, user_id: recipient.id, activity_id: create_activity.id)
	end

	test "it streams the created ChatMessage" do
	author = insert(:user, local: true)
	recipient = insert(:user, local: true)

	{:ok, chat_message_data, _meta} = Builder.chat_message(author, recipient.ap_id, "hey")

	{:ok, create_activity_data, _meta} =
	Builder.create(author, chat_message_data["id"], [recipient.ap_id])

	{:ok, create_activity, _meta} = ActivityPub.persist(create_activity_data, local: false)

	{:ok, _create_activity, meta} =
	SideEffects.handle(create_activity, local: false, object_data: chat_message_data)

	assert [_, _] = meta[:streamables]
	end

	test "it creates a Chat and MessageReferences for the local users and bumps the unread count, except for the author" do
	author = insert(:user, local: true)
	recipient = insert(:user, local: true)

	{:ok, chat_message_data, _meta} = Builder.chat_message(author, recipient.ap_id, "hey")

	{:ok, create_activity_data, _meta} =
	Builder.create(author, chat_message_data["id"], [recipient.ap_id])

	{:ok, create_activity, _meta} = ActivityPub.persist(create_activity_data, local: false)

	with_mocks([
	{
	Pleroma.Web.Streamer,
	[],
	[
	stream: fn _, _ -> nil end
	]
	},
	{
	Pleroma.Web.Push,
	[],
	[
	send: fn _ -> nil end
	]
	}
	]) do
	{:ok, _create_activity, meta} =
	SideEffects.handle(create_activity, local: false, object_data: chat_message_data)

	# The notification gets created
	assert [notification] = meta[:notifications]
	assert notification.activity_id == create_activity.id

	# But it is not sent out
	refute called(Pleroma.Web.Streamer.stream(["user", "user:notification"], notification))
	refute called(Pleroma.Web.Push.send(notification))

	# Same for the user chat stream
	assert [{topics, _}, _] = meta[:streamables]
	assert topics == ["user", "user:pleroma_chat"]
	refute called(Pleroma.Web.Streamer.stream(["user", "user:pleroma_chat"], :_))

	chat = Chat.get(author.id, recipient.ap_id)

	[cm_ref] = MessageReference.for_chat_query(chat) \|> Repo.all()

	assert cm_ref.object.data["content"] == "hey"
	assert cm_ref.unread == false

	chat = Chat.get(recipient.id, author.ap_id)

	[cm_ref] = MessageReference.for_chat_query(chat) \|> Repo.all()

	assert cm_ref.object.data["content"] == "hey"
	assert cm_ref.unread == true
	end
	end

	test "it creates a Chat for the local users and bumps the unread count" do
	author = insert(:user, local: false)
	recipient = insert(:user, local: true)

	{:ok, chat_message_data, _meta} = Builder.chat_message(author, recipient.ap_id, "hey")

	{:ok, create_activity_data, _meta} =
	Builder.create(author, chat_message_data["id"], [recipient.ap_id])

	{:ok, create_activity, _meta} = ActivityPub.persist(create_activity_data, local: false)

	{:ok, _create_activity, _meta} =
	SideEffects.handle(create_activity, local: false, object_data: chat_message_data)

	# An object is created
	assert Object.get_by_ap_id(chat_message_data["id"])

	# The remote user won't get a chat
	chat = Chat.get(author.id, recipient.ap_id)
	refute chat

	# The local user will get a chat
	chat = Chat.get(recipient.id, author.ap_id)
	assert chat

	author = insert(:user, local: true)
	recipient = insert(:user, local: true)

	{:ok, chat_message_data, _meta} = Builder.chat_message(author, recipient.ap_id, "hey")

	{:ok, create_activity_data, _meta} =
	Builder.create(author, chat_message_data["id"], [recipient.ap_id])

	{:ok, create_activity, _meta} = ActivityPub.persist(create_activity_data, local: false)

	{:ok, _create_activity, _meta} =
	SideEffects.handle(create_activity, local: false, object_data: chat_message_data)

	# Both users are local and get the chat
	chat = Chat.get(author.id, recipient.ap_id)
	assert chat

	chat = Chat.get(recipient.id, author.ap_id)
	assert chat
	end
	end

	describe "announce objects" do
	setup do
	poster = insert(:user)
	user = insert(:user)
	{:ok, post} = CommonAPI.post(poster, %{status: "hey"})
	{:ok, private_post} = CommonAPI.post(poster, %{status: "hey", visibility: "private"})

	{:ok, announce_data, _meta} = Builder.announce(user, post.object, public: true)

	{:ok, private_announce_data, _meta} =
	Builder.announce(user, private_post.object, public: false)

	{:ok, relay_announce_data, _meta} =
	Builder.announce(Pleroma.Web.ActivityPub.Relay.get_actor(), post.object, public: true)

	{:ok, announce, _meta} = ActivityPub.persist(announce_data, local: true)
	{:ok, private_announce, _meta} = ActivityPub.persist(private_announce_data, local: true)
	{:ok, relay_announce, _meta} = ActivityPub.persist(relay_announce_data, local: true)

	%{
	announce: announce,
	user: user,
	poster: poster,
	private_announce: private_announce,
	relay_announce: relay_announce
	}
	end

	test "adds the announce to the original object", %{announce: announce, user: user} do
	{:ok, announce, _} = SideEffects.handle(announce)
	object = Object.get_by_ap_id(announce.data["object"])
	assert object.data["announcement_count"] == 1
	assert user.ap_id in object.data["announcements"]
	end

	test "does not add the announce to the original object if the actor is a service actor", %{
	relay_announce: announce
	} do
	{:ok, announce, _} = SideEffects.handle(announce)
	object = Object.get_by_ap_id(announce.data["object"])
	assert object.data["announcement_count"] == nil
	end

	test "creates a notification", %{announce: announce, poster: poster} do
	{:ok, announce, _} = SideEffects.handle(announce)
	assert Repo.get_by(Notification, user_id: poster.id, activity_id: announce.id)
	end

	test "it streams out the announce", %{announce: announce} do
	with_mock Pleroma.Web.ActivityPub.ActivityPub, [:passthrough], stream_out: fn _ -> nil end do
	{:ok, announce, _} = SideEffects.handle(announce)

	assert called(Pleroma.Web.ActivityPub.ActivityPub.stream_out(announce))
	end
	end
	end
	end
	diff --git a/test/web/activity_pub/transmogrifier/user_update_handling_test.exs b/test/web/activity_pub/transmogrifier/user_update_handling_test.exs
	new file mode 100644
	index 000000000..64636656c
	--- /dev/null
	+++ b/test/web/activity_pub/transmogrifier/user_update_handling_test.exs
	@@ -0,0 +1,159 @@
	+# Pleroma: A lightweight social networking server
	+# Copyright © 2017-2020 Pleroma Authors <https://pleroma.social/>
	+# SPDX-License-Identifier: AGPL-3.0-only
	+
	+defmodule Pleroma.Web.ActivityPub.Transmogrifier.UserUpdateHandlingTest do
	+ use Pleroma.DataCase
	+
	+ alias Pleroma.Activity
	+ alias Pleroma.User
	+ alias Pleroma.Web.ActivityPub.Transmogrifier
	+
	+ import Pleroma.Factory
	+
	+ test "it works for incoming update activities" do
	+ user = insert(:user, local: false)
	+
	+ update_data = File.read!("test/fixtures/mastodon-update.json") \|> Poison.decode!()
	+
	+ object =
	+ update_data["object"]
	+ \|> Map.put("actor", user.ap_id)
	+ \|> Map.put("id", user.ap_id)
	+
	+ update_data =
	+ update_data
	+ \|> Map.put("actor", user.ap_id)
	+ \|> Map.put("object", object)
	+
	+ {:ok, %Activity{data: data, local: false}} = Transmogrifier.handle_incoming(update_data)
	+
	+ assert data["id"] == update_data["id"]
	+
	+ 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.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 with alsoKnownAs" do
	+ %{ap_id: actor} = insert(:user, local: false)
	+
	+ assert User.get_cached_by_ap_id(actor).also_known_as == []
	+
	+ {:ok, _activity} =
	+ "test/fixtures/mastodon-update.json"
	+ \|> File.read!()
	+ \|> Poison.decode!()
	+ \|> Map.put("actor", actor)
	+ \|> Map.update!("object", fn object ->
	+ object
	+ \|> Map.put("actor", actor)
	+ \|> Map.put("id", actor)
	+ \|> Map.put("alsoKnownAs", [
	+ "http://mastodon.example.org/users/foo",
	+ "http://example.org/users/bar"
	+ ])
	+ end)
	+ \|> Transmogrifier.handle_incoming()
	+
	+ assert User.get_cached_by_ap_id(actor).also_known_as == [
	+ "http://mastodon.example.org/users/foo",
	+ "http://example.org/users/bar"
	+ ]
	+ end
	+
	+ test "it works with custom profile fields" do
	+ user = insert(:user, local: false)
	+
	+ assert user.fields == []
	+
	+ update_data = File.read!("test/fixtures/mastodon-update.json") \|> Poison.decode!()
	+
	+ object =
	+ update_data["object"]
	+ \|> Map.put("actor", user.ap_id)
	+ \|> Map.put("id", user.ap_id)
	+
	+ update_data =
	+ update_data
	+ \|> Map.put("actor", user.ap_id)
	+ \|> Map.put("object", object)
	+
	+ {:ok, _update_activity} = Transmogrifier.handle_incoming(update_data)
	+
	+ user = User.get_cached_by_ap_id(user.ap_id)
	+
	+ assert user.fields == [
	+ %{"name" => "foo", "value" => "updated"},
	+ %{"name" => "foo1", "value" => "updated"}
	+ ]
	+
	+ Pleroma.Config.put([:instance, :max_remote_account_fields], 2)
	+
	+ update_data =
	+ update_data
	+ \|> put_in(["object", "attachment"], [
	+ %{"name" => "foo", "type" => "PropertyValue", "value" => "bar"},
	+ %{"name" => "foo11", "type" => "PropertyValue", "value" => "bar11"},
	+ %{"name" => "foo22", "type" => "PropertyValue", "value" => "bar22"}
	+ ])
	+ \|> Map.put("id", update_data["id"] <> ".")
	+
	+ {:ok, _} = Transmogrifier.handle_incoming(update_data)
	+
	+ user = User.get_cached_by_ap_id(user.ap_id)
	+
	+ assert user.fields == [
	+ %{"name" => "foo", "value" => "updated"},
	+ %{"name" => "foo1", "value" => "updated"}
	+ ]
	+
	+ update_data =
	+ update_data
	+ \|> put_in(["object", "attachment"], [])
	+ \|> Map.put("id", update_data["id"] <> ".")
	+
	+ {:ok, _} = Transmogrifier.handle_incoming(update_data)
	+
	+ user = User.get_cached_by_ap_id(user.ap_id)
	+
	+ assert user.fields == []
	+ end
	+
	+ test "it works for incoming update activities which lock the account" do
	+ user = insert(:user, local: false)
	+
	+ update_data = File.read!("test/fixtures/mastodon-update.json") \|> Poison.decode!()
	+
	+ object =
	+ update_data["object"]
	+ \|> Map.put("actor", user.ap_id)
	+ \|> Map.put("id", user.ap_id)
	+ \|> Map.put("manuallyApprovesFollowers", true)
	+
	+ update_data =
	+ update_data
	+ \|> Map.put("actor", user.ap_id)
	+ \|> Map.put("object", object)
	+
	+ {:ok, %Activity{local: false}} = Transmogrifier.handle_incoming(update_data)
	+
	+ user = User.get_cached_by_ap_id(user.ap_id)
	+ assert user.locked == true
	+ end
	+end
	diff --git a/test/web/activity_pub/transmogrifier_test.exs b/test/web/activity_pub/transmogrifier_test.exs
	index 47d6e843a..100821056 100644
	--- a/test/web/activity_pub/transmogrifier_test.exs
	+++ b/test/web/activity_pub/transmogrifier_test.exs
	@@ -1,1816 +1,1660 @@
	# Pleroma: A lightweight social networking server
	# Copyright © 2017-2020 Pleroma Authors <https://pleroma.social/>
	# SPDX-License-Identifier: AGPL-3.0-only

	defmodule Pleroma.Web.ActivityPub.TransmogrifierTest do
	use Oban.Testing, repo: Pleroma.Repo
	use Pleroma.DataCase

	alias Pleroma.Activity
	alias Pleroma.Object
	alias Pleroma.Object.Fetcher
	alias Pleroma.Tests.ObanHelpers
	alias Pleroma.User
	alias Pleroma.Web.ActivityPub.ActivityPub
	alias Pleroma.Web.ActivityPub.Transmogrifier
	alias Pleroma.Web.AdminAPI.AccountView
	alias Pleroma.Web.CommonAPI

	import Mock
	import Pleroma.Factory
	import ExUnit.CaptureLog

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

	setup do: clear_config([:instance, :max_remote_account_fields])

	describe "handle_incoming" do
	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 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", Object.normalize(activity).data)

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

	assert activity == returned_activity
	end

	@tag capture_log: true
	test "it fetches reply-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, 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 reply-to activities beyond max replies depth limit" 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_thread_distance?: fn _ -> false end do
	{:ok, returned_activity} = Transmogrifier.handle_incoming(data)

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

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

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

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

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

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

	assert object_data["sensitive"] == true

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

	assert user.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 works for incoming listens" do
	data = %{
	"@context" => "https://www.w3.org/ns/activitystreams",
	"to" => ["https://www.w3.org/ns/activitystreams#Public"],
	"cc" => [],
	"type" => "Listen",
	"id" => "http://mastodon.example.org/users/admin/listens/1234/activity",
	"actor" => "http://mastodon.example.org/users/admin",
	"object" => %{
	"type" => "Audio",
	"id" => "http://mastodon.example.org/users/admin/listens/1234",
	"attributedTo" => "http://mastodon.example.org/users/admin",
	"title" => "lain radio episode 1",
	"artist" => "lain",
	"album" => "lain radio",
	"length" => 180_000
	}
	}

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

	object = Object.normalize(activity)

	assert object.data["title"] == "lain radio episode 1"
	assert object.data["artist"] == "lain"
	assert object.data["album"] == "lain radio"
	assert object.data["length"] == 180_000
	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 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", [])
	\|> Map.put("id", user.ap_id <> "/activities/12345678")

	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)
	\|> Map.put("id", user.ap_id <> "/activities/12345678")

	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 strips internal likes" do
	data =
	File.read!("test/fixtures/mastodon-post-activity.json")
	\|> Poison.decode!()

	likes = %{
	"first" =>
	"http://mastodon.example.org/objects/dbdbc507-52c8-490d-9b7c-1e1d52e5c132/likes?page=1",
	"id" => "http://mastodon.example.org/objects/dbdbc507-52c8-490d-9b7c-1e1d52e5c132/likes",
	"totalItems" => 3,
	"type" => "OrderedCollection"
	}

	object = Map.put(data["object"], "likes", likes)
	data = Map.put(data, "object", object)

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

	refute Map.has_key?(object.data, "likes")
	end

	test "it strips internal reactions" do
	user = insert(:user)
	{:ok, activity} = CommonAPI.post(user, %{status: "#cofe"})
	{:ok, _} = CommonAPI.react_with_emoji(activity.id, user, "📢")

	%{object: object} = Activity.get_by_id_with_object(activity.id)
	assert Map.has_key?(object.data, "reactions")
	assert Map.has_key?(object.data, "reaction_count")

	object_data = Transmogrifier.strip_internal_fields(object.data)
	refute Map.has_key?(object_data, "reactions")
	refute Map.has_key?(object_data, "reaction_count")
	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)
	-
	- assert data["id"] == update_data["id"]
	-
	- 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.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 with alsoKnownAs" do
	- {:ok, %Activity{data: %{"actor" => actor}}} =
	- "test/fixtures/mastodon-post-activity.json"
	- \|> File.read!()
	- \|> Poison.decode!()
	- \|> Transmogrifier.handle_incoming()
	-
	- assert User.get_cached_by_ap_id(actor).also_known_as == ["http://example.org/users/foo"]
	-
	- {:ok, _activity} =
	- "test/fixtures/mastodon-update.json"
	- \|> File.read!()
	- \|> Poison.decode!()
	- \|> Map.put("actor", actor)
	- \|> Map.update!("object", fn object ->
	- object
	- \|> Map.put("actor", actor)
	- \|> Map.put("id", actor)
	- \|> Map.put("alsoKnownAs", [
	- "http://mastodon.example.org/users/foo",
	- "http://example.org/users/bar"
	- ])
	- end)
	- \|> Transmogrifier.handle_incoming()
	-
	- assert User.get_cached_by_ap_id(actor).also_known_as == [
	- "http://mastodon.example.org/users/foo",
	- "http://example.org/users/bar"
	- ]
	- end
	-
	- test "it works with custom profile fields" do
	- {:ok, activity} =
	- "test/fixtures/mastodon-post-activity.json"
	- \|> File.read!()
	- \|> Poison.decode!()
	- \|> Transmogrifier.handle_incoming()
	-
	- user = User.get_cached_by_ap_id(activity.actor)
	-
	- assert user.fields == [
	- %{"name" => "foo", "value" => "bar"},
	- %{"name" => "foo1", "value" => "bar1"}
	- ]
	-
	- update_data = File.read!("test/fixtures/mastodon-update.json") \|> Poison.decode!()
	-
	- object =
	- update_data["object"]
	- \|> Map.put("actor", user.ap_id)
	- \|> Map.put("id", user.ap_id)
	-
	- update_data =
	- update_data
	- \|> Map.put("actor", user.ap_id)
	- \|> Map.put("object", object)
	-
	- {:ok, _update_activity} = Transmogrifier.handle_incoming(update_data)
	-
	- user = User.get_cached_by_ap_id(user.ap_id)
	-
	- assert user.fields == [
	- %{"name" => "foo", "value" => "updated"},
	- %{"name" => "foo1", "value" => "updated"}
	- ]
	-
	- Pleroma.Config.put([:instance, :max_remote_account_fields], 2)
	-
	- update_data =
	- put_in(update_data, ["object", "attachment"], [
	- %{"name" => "foo", "type" => "PropertyValue", "value" => "bar"},
	- %{"name" => "foo11", "type" => "PropertyValue", "value" => "bar11"},
	- %{"name" => "foo22", "type" => "PropertyValue", "value" => "bar22"}
	- ])
	-
	- {:ok, _} = Transmogrifier.handle_incoming(update_data)
	-
	- user = User.get_cached_by_ap_id(user.ap_id)
	-
	- assert user.fields == [
	- %{"name" => "foo", "value" => "updated"},
	- %{"name" => "foo1", "value" => "updated"}
	- ]
	-
	- update_data = put_in(update_data, ["object", "attachment"], [])
	-
	- {:ok, _} = Transmogrifier.handle_incoming(update_data)
	-
	- user = User.get_cached_by_ap_id(user.ap_id)
	-
	- assert user.fields == []
	- 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.locked == true
	- 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 follows to locked account" do
	pending_follower = insert(:user, ap_id: "http://mastodon.example.org/users/admin")
	user = insert(:user, locked: true)

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

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

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

	assert [^pending_follower] = User.get_follow_requests(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 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"]

	assert activity.data["id"] == accept_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, 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, 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

	follower = User.get_by_id(follower.id)
	assert follower.following_count == 1

	followed = User.get_by_id(followed.id)
	assert followed.follower_count == 1
	end

	test "it fails for incoming accepts which cannot be correlated" do
	follower = insert(:user)
	followed = insert(:user, 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, 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, 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
	assert activity.data["id"] == reject_data["id"]

	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, 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 "skip converting the content when it is nil" do
	object_id = "https://peertube.social/videos/watch/278d2b7c-0f38-4aaa-afe6-9ecc0c4a34fe"

	{:ok, object} = Fetcher.fetch_and_contain_remote_object_from_id(object_id)

	result =
	Pleroma.Web.ActivityPub.Transmogrifier.fix_object(Map.merge(object, %{"content" => nil}))

	assert result["content"] == nil
	end

	test "it converts content of object to html" do
	object_id = "https://peertube.social/videos/watch/278d2b7c-0f38-4aaa-afe6-9ecc0c4a34fe"

	{:ok, %{"content" => content_markdown}} =
	Fetcher.fetch_and_contain_remote_object_from_id(object_id)

	{:ok, %Pleroma.Object{data: %{"content" => content}} = object} =
	Fetcher.fetch_object_from_id(object_id)

	assert content_markdown ==
	"Support this and our other Michigan!/usr/group videos and meetings. Learn more at http://mug.org/membership\n\nTwenty Years in Jail: FreeBSD's Jails, Then and Now\n\nJails started as a limited virtualization system, but over the last two years they've..."

	assert content ==
	"<p>Support this and our other Michigan!/usr/group videos and meetings. Learn more at <a href=\"http://mug.org/membership\">http://mug.org/membership</a></p><p>Twenty Years in Jail: FreeBSD’s Jails, Then and Now</p><p>Jails started as a limited virtualization system, but over the last two years they’ve…</p>"

	assert object.data["mediaType"] == "text/html"
	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",
	"url" => [
	%{
	"href" =>
	"https://peertube.moe/static/webseed/df5f464b-be8d-46fb-ad81-2d4c2d1630e3-480.mp4",
	"mediaType" => "video/mp4"
	}
	]
	}

	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)

	note_obj = %{
	"type" => "Note",
	"id" => activity.data["id"],
	"content" => "test post",
	"published" => object.data["published"],
	"actor" => AccountView.render("show.json", %{user: user})
	}

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

	test "it correctly processes messages with non-array to field" do
	user = insert(:user)

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

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

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

	test "it correctly processes messages with non-array cc field" do
	user = insert(:user)

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

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

	assert ["https://www.w3.org/ns/activitystreams#Public"] == activity.data["cc"]
	assert [user.follower_address] == activity.data["to"]
	end

	test "it accepts Move activities" do
	old_user = insert(:user)
	new_user = insert(:user)

	message = %{
	"@context" => "https://www.w3.org/ns/activitystreams",
	"type" => "Move",
	"actor" => old_user.ap_id,
	"object" => old_user.ap_id,
	"target" => new_user.ap_id
	}

	assert :error = Transmogrifier.handle_incoming(message)

	{:ok, _new_user} = User.update_and_set_cache(new_user, %{also_known_as: [old_user.ap_id]})

	assert {:ok, %Activity{} = activity} = Transmogrifier.handle_incoming(message)
	assert activity.actor == old_user.ap_id
	assert activity.data["actor"] == old_user.ap_id
	assert activity.data["object"] == old_user.ap_id
	assert activity.data["target"] == new_user.ap_id
	assert activity.data["type"] == "Move"
	end
	end

	describe "`handle_incoming/2`, Mastodon format `replies` handling" do
	setup do: clear_config([:activitypub, :note_replies_output_limit], 5)
	setup do: clear_config([:instance, :federation_incoming_replies_max_depth])

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

	items = get_in(data, ["object", "replies", "first", "items"])
	assert length(items) > 0

	%{data: data, items: items}
	end

	test "schedules background fetching of `replies` items if max thread depth limit allows", %{
	data: data,
	items: items
	} do
	Pleroma.Config.put([:instance, :federation_incoming_replies_max_depth], 10)

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

	for id <- items do
	job_args = %{"op" => "fetch_remote", "id" => id, "depth" => 1}
	assert_enqueued(worker: Pleroma.Workers.RemoteFetcherWorker, args: job_args)
	end
	end

	test "does NOT schedule background fetching of `replies` beyond max thread depth limit allows",
	%{data: data} do
	Pleroma.Config.put([:instance, :federation_incoming_replies_max_depth], 0)

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

	assert all_enqueued(worker: Pleroma.Workers.RemoteFetcherWorker) == []
	end
	end

	describe "`handle_incoming/2`, Pleroma format `replies` handling" do
	setup do: clear_config([:activitypub, :note_replies_output_limit], 5)
	setup do: clear_config([:instance, :federation_incoming_replies_max_depth])

	setup do
	user = insert(:user)

	{:ok, activity} = CommonAPI.post(user, %{status: "post1"})

	{:ok, reply1} =
	CommonAPI.post(user, %{status: "reply1", in_reply_to_status_id: activity.id})

	{:ok, reply2} =
	CommonAPI.post(user, %{status: "reply2", in_reply_to_status_id: activity.id})

	replies_uris = Enum.map([reply1, reply2], fn a -> a.object.data["id"] end)

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

	Repo.delete(activity.object)
	Repo.delete(activity)

	%{federation_output: federation_output, replies_uris: replies_uris}
	end

	test "schedules background fetching of `replies` items if max thread depth limit allows", %{
	federation_output: federation_output,
	replies_uris: replies_uris
	} do
	Pleroma.Config.put([:instance, :federation_incoming_replies_max_depth], 1)

	{:ok, _activity} = Transmogrifier.handle_incoming(federation_output)

	for id <- replies_uris do
	job_args = %{"op" => "fetch_remote", "id" => id, "depth" => 1}
	assert_enqueued(worker: Pleroma.Workers.RemoteFetcherWorker, args: job_args)
	end
	end

	test "does NOT schedule background fetching of `replies` beyond max thread depth limit allows",
	%{federation_output: federation_output} do
	Pleroma.Config.put([:instance, :federation_incoming_replies_max_depth], 0)

	{:ok, _activity} = Transmogrifier.handle_incoming(federation_output)

	assert all_enqueued(worker: Pleroma.Workers.RemoteFetcherWorker) == []
	end
	end

	describe "prepare outgoing" do
	test "it inlines private announced objects" do
	user = insert(:user)

	{:ok, activity} = CommonAPI.post(user, %{status: "hey", visibility: "private"})

	{:ok, announce_activity} = CommonAPI.repeat(activity.id, user)

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

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

	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"})

	with_mock Pleroma.Notification,
	get_notified_from_activity: fn _, _ -> [] end do
	{: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"
	}

	refute called(Pleroma.Notification.get_notified_from_activity(:_, :_))
	assert Enum.member?(object["tag"], expected_tag)
	assert Enum.member?(object["tag"], expected_mention)
	end
	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 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"])
	assert is_nil(modified["object"]["likes"])
	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

	test "it strips BCC field" do
	user = insert(:user)
	{:ok, list} = Pleroma.List.create("foo", user)

	{:ok, activity} = CommonAPI.post(user, %{status: "foobar", visibility: "list:#{list.id}"})

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

	assert is_nil(modified["bcc"])
	end

	test "it can handle Listen activities" do
	listen_activity = insert(:listen)

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

	assert modified["type"] == "Listen"

	user = insert(:user)

	{:ok, activity} = CommonAPI.listen(user, %{"title" => "lain radio episode 1"})

	{:ok, _modified} = Transmogrifier.prepare_outgoing(activity.data)
	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)
	Pleroma.FollowingRelationship.follow(user_two, user, :follow_accept)

	{: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.note_count == 1

	{:ok, user} = Transmogrifier.upgrade_user_from_ap_id("https://niu.moe/users/rye")
	ObanHelpers.perform_all()

	assert user.ap_enabled
	assert user.note_count == 1
	assert user.follower_address == "https://niu.moe/users/rye/followers"
	assert user.following_address == "https://niu.moe/users/rye/following"

	user = User.get_cached_by_id(user.id)
	assert user.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.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.following?(user_two, user)
	refute "..." in User.following(user_two)
	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"
	}

	assert capture_log(fn ->
	{:error, _} = Transmogrifier.handle_incoming(data)
	end) =~ "Object containment failed"
	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"
	}

	assert capture_log(fn ->
	{:error, _} = Transmogrifier.handle_incoming(data)
	end) =~ "Object containment failed"
	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"
	}

	assert capture_log(fn ->
	{:error, _} = Transmogrifier.handle_incoming(data)
	end) =~ "Object containment failed"
	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

	describe "fix_summary/1" do
	test "returns fixed object" do
	assert Transmogrifier.fix_summary(%{"summary" => nil}) == %{"summary" => ""}
	assert Transmogrifier.fix_summary(%{"summary" => "ok"}) == %{"summary" => "ok"}
	assert Transmogrifier.fix_summary(%{}) == %{"summary" => ""}
	end
	end

	describe "fix_in_reply_to/2" do
	setup do: clear_config([:instance, :federation_incoming_replies_max_depth])

	setup do
	data = Poison.decode!(File.read!("test/fixtures/mastodon-post-activity.json"))
	[data: data]
	end

	test "returns not modified object when hasn't containts inReplyTo field", %{data: data} do
	assert Transmogrifier.fix_in_reply_to(data) == data
	end

	test "returns object with inReplyToAtomUri when denied incoming reply", %{data: data} do
	Pleroma.Config.put([:instance, :federation_incoming_replies_max_depth], 0)

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

	modified_object = Transmogrifier.fix_in_reply_to(object_with_reply)
	assert modified_object["inReplyTo"] == "https://shitposter.club/notice/2827873"
	assert modified_object["inReplyToAtomUri"] == "https://shitposter.club/notice/2827873"

	object_with_reply =
	Map.put(data["object"], "inReplyTo", %{"id" => "https://shitposter.club/notice/2827873"})

	modified_object = Transmogrifier.fix_in_reply_to(object_with_reply)
	assert modified_object["inReplyTo"] == %{"id" => "https://shitposter.club/notice/2827873"}
	assert modified_object["inReplyToAtomUri"] == "https://shitposter.club/notice/2827873"

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

	modified_object = Transmogrifier.fix_in_reply_to(object_with_reply)
	assert modified_object["inReplyTo"] == ["https://shitposter.club/notice/2827873"]
	assert modified_object["inReplyToAtomUri"] == "https://shitposter.club/notice/2827873"

	object_with_reply = Map.put(data["object"], "inReplyTo", [])
	modified_object = Transmogrifier.fix_in_reply_to(object_with_reply)
	assert modified_object["inReplyTo"] == []
	assert modified_object["inReplyToAtomUri"] == ""
	end

	@tag capture_log: true
	test "returns modified object when allowed incoming reply", %{data: data} do
	object_with_reply =
	Map.put(
	data["object"],
	"inReplyTo",
	"https://shitposter.club/notice/2827873"
	)

	Pleroma.Config.put([:instance, :federation_incoming_replies_max_depth], 5)
	modified_object = Transmogrifier.fix_in_reply_to(object_with_reply)

	assert modified_object["inReplyTo"] ==
	"tag:shitposter.club,2017-05-05:noticeId=2827873:objectType=comment"

	assert modified_object["inReplyToAtomUri"] == "https://shitposter.club/notice/2827873"

	assert modified_object["context"] ==
	"tag:shitposter.club,2017-05-05:objectType=thread:nonce=3c16e9c2681f6d26"
	end
	end

	describe "fix_url/1" do
	test "fixes data for object when url is map" do
	object = %{
	"url" => %{
	"type" => "Link",
	"mimeType" => "video/mp4",
	"href" => "https://peede8d-46fb-ad81-2d4c2d1630e3-480.mp4"
	}
	}

	assert Transmogrifier.fix_url(object) == %{
	"url" => "https://peede8d-46fb-ad81-2d4c2d1630e3-480.mp4"
	}
	end

	test "fixes data for video object" do
	object = %{
	"type" => "Video",
	"url" => [
	%{
	"type" => "Link",
	"mimeType" => "video/mp4",
	"href" => "https://peede8d-46fb-ad81-2d4c2d1630e3-480.mp4"
	},
	%{
	"type" => "Link",
	"mimeType" => "video/mp4",
	"href" => "https://peertube46fb-ad81-2d4c2d1630e3-240.mp4"
	},
	%{
	"type" => "Link",
	"mimeType" => "text/html",
	"href" => "https://peertube.-2d4c2d1630e3"
	},
	%{
	"type" => "Link",
	"mimeType" => "text/html",
	"href" => "https://peertube.-2d4c2d16377-42"
	}
	]
	}

	assert Transmogrifier.fix_url(object) == %{
	"attachment" => [
	%{
	"href" => "https://peede8d-46fb-ad81-2d4c2d1630e3-480.mp4",
	"mimeType" => "video/mp4",
	"type" => "Link"
	}
	],
	"type" => "Video",
	"url" => "https://peertube.-2d4c2d1630e3"
	}
	end

	test "fixes url for not Video object" do
	object = %{
	"type" => "Text",
	"url" => [
	%{
	"type" => "Link",
	"mimeType" => "text/html",
	"href" => "https://peertube.-2d4c2d1630e3"
	},
	%{
	"type" => "Link",
	"mimeType" => "text/html",
	"href" => "https://peertube.-2d4c2d16377-42"
	}
	]
	}

	assert Transmogrifier.fix_url(object) == %{
	"type" => "Text",
	"url" => "https://peertube.-2d4c2d1630e3"
	}

	assert Transmogrifier.fix_url(%{"type" => "Text", "url" => []}) == %{
	"type" => "Text",
	"url" => ""
	}
	end

	test "retunrs not modified object" do
	assert Transmogrifier.fix_url(%{"type" => "Text"}) == %{"type" => "Text"}
	end
	end

	describe "get_obj_helper/2" do
	test "returns nil when cannot normalize object" do
	assert capture_log(fn ->
	refute Transmogrifier.get_obj_helper("test-obj-id")
	end) =~ "Unsupported URI scheme"
	end

	@tag capture_log: true
	test "returns {:ok, %Object{}} for success case" do
	assert {:ok, %Object{}} =
	Transmogrifier.get_obj_helper("https://shitposter.club/notice/2827873")
	end
	end

	describe "fix_attachments/1" do
	test "returns not modified object" do
	data = Poison.decode!(File.read!("test/fixtures/mastodon-post-activity.json"))
	assert Transmogrifier.fix_attachments(data) == data
	end

	test "returns modified object when attachment is map" do
	assert Transmogrifier.fix_attachments(%{
	"attachment" => %{
	"mediaType" => "video/mp4",
	"url" => "https://peertube.moe/stat-480.mp4"
	}
	}) == %{
	"attachment" => [
	%{
	"mediaType" => "video/mp4",
	"url" => [
	%{"href" => "https://peertube.moe/stat-480.mp4", "mediaType" => "video/mp4"}
	]
	}
	]
	}
	end

	test "returns modified object when attachment is list" do
	assert Transmogrifier.fix_attachments(%{
	"attachment" => [
	%{"mediaType" => "video/mp4", "url" => "https://pe.er/stat-480.mp4"},
	%{"mimeType" => "video/mp4", "href" => "https://pe.er/stat-480.mp4"}
	]
	}) == %{
	"attachment" => [
	%{
	"mediaType" => "video/mp4",
	"url" => [
	%{"href" => "https://pe.er/stat-480.mp4", "mediaType" => "video/mp4"}
	]
	},
	%{
	"mediaType" => "video/mp4",
	"url" => [
	%{"href" => "https://pe.er/stat-480.mp4", "mediaType" => "video/mp4"}
	]
	}
	]
	}
	end
	end

	describe "fix_emoji/1" do
	test "returns not modified object when object not contains tags" do
	data = Poison.decode!(File.read!("test/fixtures/mastodon-post-activity.json"))
	assert Transmogrifier.fix_emoji(data) == data
	end

	test "returns object with emoji when object contains list tags" do
	assert Transmogrifier.fix_emoji(%{
	"tag" => [
	%{"type" => "Emoji", "name" => ":bib:", "icon" => %{"url" => "/test"}},
	%{"type" => "Hashtag"}
	]
	}) == %{
	"emoji" => %{"bib" => "/test"},
	"tag" => [
	%{"icon" => %{"url" => "/test"}, "name" => ":bib:", "type" => "Emoji"},
	%{"type" => "Hashtag"}
	]
	}
	end

	test "returns object with emoji when object contains map tag" do
	assert Transmogrifier.fix_emoji(%{
	"tag" => %{"type" => "Emoji", "name" => ":bib:", "icon" => %{"url" => "/test"}}
	}) == %{
	"emoji" => %{"bib" => "/test"},
	"tag" => %{"icon" => %{"url" => "/test"}, "name" => ":bib:", "type" => "Emoji"}
	}
	end
	end

	describe "set_replies/1" do
	setup do: clear_config([:activitypub, :note_replies_output_limit], 2)

	test "returns unmodified object if activity doesn't have self-replies" do
	data = Poison.decode!(File.read!("test/fixtures/mastodon-post-activity.json"))
	assert Transmogrifier.set_replies(data) == data
	end

	test "sets `replies` collection with a limited number of self-replies" do
	[user, another_user] = insert_list(2, :user)

	{:ok, %{id: id1} = activity} = CommonAPI.post(user, %{status: "1"})

	{:ok, %{id: id2} = self_reply1} =
	CommonAPI.post(user, %{status: "self-reply 1", in_reply_to_status_id: id1})

	{:ok, self_reply2} =
	CommonAPI.post(user, %{status: "self-reply 2", in_reply_to_status_id: id1})

	# Assuming to _not_ be present in `replies` due to :note_replies_output_limit is set to 2
	{:ok, _} = CommonAPI.post(user, %{status: "self-reply 3", in_reply_to_status_id: id1})

	{:ok, _} =
	CommonAPI.post(user, %{
	status: "self-reply to self-reply",
	in_reply_to_status_id: id2
	})

	{:ok, _} =
	CommonAPI.post(another_user, %{
	status: "another user's reply",
	in_reply_to_status_id: id1
	})

	object = Object.normalize(activity)
	replies_uris = Enum.map([self_reply1, self_reply2], fn a -> a.object.data["id"] end)

	assert %{"type" => "Collection", "items" => ^replies_uris} =
	Transmogrifier.set_replies(object.data)["replies"]
	end
	end

	test "take_emoji_tags/1" do
	user = insert(:user, %{emoji: %{"firefox" => "https://example.org/firefox.png"}})

	assert Transmogrifier.take_emoji_tags(user) == [
	%{
	"icon" => %{"type" => "Image", "url" => "https://example.org/firefox.png"},
	"id" => "https://example.org/firefox.png",
	"name" => ":firefox:",
	"type" => "Emoji",
	"updated" => "1970-01-01T00:00:00Z"
	}
	]
	end
	end

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