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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 5b45e2ca1..787b5884f 100644
	--- a/lib/pleroma/web/activity_pub/activity_pub.ex
	+++ b/lib/pleroma/web/activity_pub/activity_pub.ex
	@@ -1,1512 +1,1515 @@
	# Pleroma: A lightweight social networking server
	# Copyright © 2017-2021 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.Config
	alias Pleroma.Constants
	alias Pleroma.Conversation
	alias Pleroma.Conversation.Participation
	alias Pleroma.Filter
	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

	@behaviour Pleroma.Web.ActivityPub.ActivityPub.Persisting
	@behaviour Pleroma.Web.ActivityPub.ActivityPub.Streaming

	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_can_insert(%{"type" => "Delete"}), do: true
	+ defp check_actor_can_insert(%{"type" => "Undo"}), do: true

	- defp check_actor_is_active(actor) when is_binary(actor) do
	+ defp check_actor_can_insert(%{"actor" => actor}) when is_binary(actor) do
	case User.get_cached_by_ap_id(actor) do
	%User{is_active: true} -> true
	_ -> false
	end
	end

	+ defp check_actor_can_insert(_), do: true
	+
	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

	def 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

	@object_types ~w[ChatMessage Question Answer Audio Video Event Article]
	@impl true
	def persist(%{"type" => type} = object, meta) when type in @object_types do
	with {:ok, object} <- Object.create(object) do
	{:ok, object, meta}
	end
	end

	@impl true
	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"]
	}),
	# TODO: add tests for expired activities, when Note type will be supported in new pipeline
	{:ok, _} <- maybe_create_activity_expiration(activity) 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} <- {:actor_check, bypass_actor_check \|\| check_actor_is_active(map["actor"])},
	+ {_, true} <- {:actor_check, bypass_actor_check \|\| check_actor_can_insert(map)},
	{_, true} <- {:remote_limit_pass, 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),
	{:ok, activity} <- insert_activity_with_expiration(map, local, recipients) do
	# Splice in the child object if we have one.
	activity = Maps.put_if_present(activity, :object, object)

	ConcurrentLimiter.limit(Pleroma.Web.RichMedia.Helpers, fn ->
	Task.start(fn -> Pleroma.Web.RichMedia.Helpers.fetch_data_for_activity(activity) end)
	end)

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

	{:actor_check, _} ->
	{:error, false}

	{:containment, _} = error ->
	error

	{:error, _} = error ->
	error

	{: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}

	{:remote_limit_pass, _} ->
	{:error, :remote_limit}

	{:reject, _} = e ->
	{:error, e}
	end
	end

	defp insert_activity_with_expiration(data, local, recipients) do
	struct = %Activity{
	data: data,
	local: local,
	actor: data["actor"],
	recipients: recipients
	}

	with {:ok, activity} <- Repo.insert(struct) do
	maybe_create_activity_expiration(activity)
	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(
	%{data: %{"expires_at" => %DateTime{} = expires_at}} = activity
	) do
	with {:ok, _job} <-
	Pleroma.Workers.PurgeExpiredActivity.enqueue(%{
	activity_id: activity.id,
	expires_at: expires_at
	}) do
	{:ok, activity}
	end
	end

	defp maybe_create_activity_expiration(activity), do: {:ok, activity}

	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

	@impl true
	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

	@impl true
	def stream_out_participations(_, _), do: :noop

	@impl true
	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

	@impl true
	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),
	{: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 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 flag(map()) :: {:ok, Activity.t()} \| {:error, any()}
	def flag(params) do
	with {:ok, result} <- Repo.transaction(fn -> do_flag(params) end) do
	result
	end
	end

	defp do_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 -> user.ap_id != actor end)
	\|> 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}
	else
	{:error, error} -> Repo.rollback(error)
	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])
	\|> restrict_filtered(opts)
	\|> 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 \\ %{})

	def fetch_user_activities(user, reading_user, %{total: true} = params) do
	result = fetch_activities_for_user(user, reading_user, params)

	Keyword.put(result, :items, Enum.reverse(result[:items]))
	end

	def fetch_user_activities(user, reading_user, params) do
	user
	\|> fetch_activities_for_user(reading_user, params)
	\|> Enum.reverse()
	end

	defp fetch_activities_for_user(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

	pagination_type = Map.get(params, :pagination_type) \|\| :keyset

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

	def fetch_statuses(reading_user, %{total: true} = params) do
	result = fetch_activities_for_reading_user(reading_user, params)
	Keyword.put(result, :items, Enum.reverse(result[:items]))
	end

	def fetch_statuses(reading_user, params) do
	reading_user
	\|> fetch_activities_for_reading_user(params)
	\|> Enum.reverse()
	end

	defp fetch_activities_for_reading_user(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)
	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_remote(query, %{remote: true}) do
	from(activity in query, where: activity.local == false)
	end

	defp restrict_remote(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{} = 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{} = user,
	reply_visibility: "following"
	}) do
	from(
	[activity, object] in query,
	where:
	fragment(
	"""
	?->>'type' != 'Create' -- This isn't a Create
	OR ?->>'inReplyTo' is null -- this isn't a reply
	OR ? && array_remove(?, ?) -- The recipient is us or one of our friends,
	-- unless they are the author (because authors
	-- are also part of the recipients). This leads
	-- to a bug that self-replies by friends won't
	-- show up.
	OR ? = ? -- The actor is us
	""",
	activity.data,
	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' \\?\| ?) or ? = ?",
	activity.data,
	^mutes,
	activity.actor,
	^user.ap_id
	)
	)

	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 (? && ?)) or ? = ?)",
	activity.recipients,
	^blocked_ap_ids,
	activity.actor,
	^user.ap_id
	),
	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}) when is_binary(instance) do
	from(
	activity in query,
	where: fragment("split_part(actor::text, '/'::text, 3) = ?", ^instance)
	)
	end

	defp restrict_instance(query, _), do: query

	defp restrict_filtered(query, %{user: %User{} = user}) do
	case Filter.compose_regex(user) do
	nil ->
	query

	regex ->
	from([activity, object] in query,
	where:
	fragment("not(?->>'content' ~* ?)", object.data, ^regex) or
	activity.actor == ^user.ap_id
	)
	end
	end

	defp restrict_filtered(query, %{blocking_user: %User{} = user}) do
	restrict_filtered(query, %{user: user})
	end

	defp restrict_filtered(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_remote(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_filtered(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)
	\|> restrict_filtered(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)

	is_locked = data["manuallyApprovesFollowers"] \|\| false
	capabilities = data["capabilities"] \|\| %{}
	accepts_chat_messages = capabilities["acceptsChatMessages"]
	data = Transmogrifier.maybe_fix_user_object(data)
	is_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,
	is_locked: is_locked,
	is_discoverable: is_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,
	accepts_chat_messages: accepts_chat_messages
	}

	# 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
	# If this has been deleted, only log a debug and not an error
	{:error, "Object has been deleted" = e} ->
	Logger.debug("Could not decode user at fetch #{ap_id}, #{inspect(e)}")
	{:error, e}

	{:error, {:reject, reason} = e} ->
	Logger.info("Rejected user #{ap_id}: #{inspect(reason)}")
	{:error, e}

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

	def maybe_handle_clashing_nickname(data) do
	with nickname when is_binary(nickname) <- data[:nickname],
	%User{} = old_user <- User.get_by_nickname(nickname),
	{_, false} <- {:ap_id_comparison, data[:ap_id] == old_user.ap_id} do
	Logger.info(
	"Found an old user for #{nickname}, the old ap id is #{old_user.ap_id}, new one is #{
	data[:ap_id]
	}, renaming."
	)

	old_user
	\|> User.remote_user_changeset(%{nickname: "#{old_user.id}.#{old_user.nickname}"})
	\|> User.update_and_set_cache()
	else
	{:ap_id_comparison, true} ->
	Logger.info(
	"Found an old user for #{data[:nickname]}, but the ap id #{data[:ap_id]} is the same as the new user. Race condition? Not changing anything."
	)

	_ ->
	nil
	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
	maybe_handle_clashing_nickname(data)

	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/object_validators/delete_validator.ex b/lib/pleroma/web/activity_pub/object_validators/delete_validator.ex
	index fc1a79a72..750ea0f7f 100644
	--- a/lib/pleroma/web/activity_pub/object_validators/delete_validator.ex
	+++ b/lib/pleroma/web/activity_pub/object_validators/delete_validator.ex
	@@ -1,75 +1,85 @@
	# Pleroma: A lightweight social networking server
	# Copyright © 2017-2021 Pleroma Authors <https://pleroma.social/>
	# SPDX-License-Identifier: AGPL-3.0-only

	defmodule Pleroma.Web.ActivityPub.ObjectValidators.DeleteValidator do
	use Ecto.Schema

	alias Pleroma.Activity
	alias Pleroma.EctoType.ActivityPub.ObjectValidators
	+ alias Pleroma.User

	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: [])
	field(:deleted_activity_id, ObjectValidators.ObjectID)
	field(:object, ObjectValidators.ObjectID)
	end

	def cast_data(data) do
	%__MODULE__{}
	\|> cast(data, __schema__(:fields))
	end

	def add_deleted_activity_id(cng) do
	object =
	cng
	\|> get_field(:object)

	with %Activity{id: id} <- Activity.get_create_by_object_ap_id(object) do
	cng
	\|> put_change(:deleted_activity_id, id)
	else
	_ -> cng
	end
	end

	@deletable_types ~w{
	Answer
	Article
	Audio
	ChatMessage
	Event
	Note
	Page
	Question
	Tombstone
	Video
	}
	def validate_data(cng) do
	cng
	\|> validate_required([:id, :type, :actor, :to, :cc, :object])
	\|> validate_inclusion(:type, ["Delete"])
	- \|> validate_actor_presence()
	+ \|> validate_delete_actor(:actor)
	\|> validate_modification_rights()
	\|> validate_object_or_user_presence(allowed_types: @deletable_types)
	\|> add_deleted_activity_id()
	end

	def do_not_federate?(cng) do
	!same_domain?(cng)
	end

	def cast_and_validate(data) do
	data
	\|> cast_data
	\|> validate_data
	end
	+
	+ defp validate_delete_actor(cng, field_name) do
	+ validate_change(cng, field_name, fn field_name, actor ->
	+ case User.get_cached_by_ap_id(actor) do
	+ %User{} -> []
	+ _ -> [{field_name, "can't find user"}]
	+ end
	+ end)
	+ end
	end
	diff --git a/lib/pleroma/web/activity_pub/object_validators/undo_validator.ex b/lib/pleroma/web/activity_pub/object_validators/undo_validator.ex
	index 783a79ddb..ab29f9820 100644
	--- a/lib/pleroma/web/activity_pub/object_validators/undo_validator.ex
	+++ b/lib/pleroma/web/activity_pub/object_validators/undo_validator.ex
	@@ -1,62 +1,72 @@
	# Pleroma: A lightweight social networking server
	# Copyright © 2017-2021 Pleroma Authors <https://pleroma.social/>
	# SPDX-License-Identifier: AGPL-3.0-only

	defmodule Pleroma.Web.ActivityPub.ObjectValidators.UndoValidator do
	use Ecto.Schema

	alias Pleroma.Activity
	alias Pleroma.EctoType.ActivityPub.ObjectValidators
	+ alias Pleroma.User

	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(:object, ObjectValidators.ObjectID)
	field(:actor, ObjectValidators.ObjectID)
	field(:to, ObjectValidators.Recipients, default: [])
	field(:cc, ObjectValidators.Recipients, default: [])
	end

	def cast_and_validate(data) do
	data
	\|> cast_data()
	\|> validate_data()
	end

	def cast_data(data) do
	%__MODULE__{}
	\|> changeset(data)
	end

	def changeset(struct, data) do
	struct
	\|> cast(data, __schema__(:fields))
	end

	def validate_data(data_cng) do
	data_cng
	\|> validate_inclusion(:type, ["Undo"])
	\|> validate_required([:id, :type, :object, :actor, :to, :cc])
	- \|> validate_actor_presence()
	+ \|> validate_undo_actor(:actor)
	\|> validate_object_presence()
	\|> validate_undo_rights()
	end

	def validate_undo_rights(cng) do
	actor = get_field(cng, :actor)
	object = get_field(cng, :object)

	with %Activity{data: %{"actor" => object_actor}} <- Activity.get_by_ap_id(object),
	true <- object_actor != actor do
	cng
	\|> add_error(:actor, "not the same as object actor")
	else
	_ -> cng
	end
	end
	+
	+ defp validate_undo_actor(cng, field_name) do
	+ validate_change(cng, field_name, fn field_name, actor ->
	+ case User.get_cached_by_ap_id(actor) do
	+ %User{} -> []
	+ _ -> [{field_name, "can't find user"}]
	+ end
	+ end)
	+ end
	end
	diff --git a/test/pleroma/user_test.exs b/test/pleroma/user_test.exs
	index 60bc58a48..181990e4b 100644
	--- a/test/pleroma/user_test.exs
	+++ b/test/pleroma/user_test.exs
	@@ -1,2359 +1,2359 @@
	# Pleroma: A lightweight social networking server
	# Copyright © 2017-2021 Pleroma Authors <https://pleroma.social/>
	# SPDX-License-Identifier: AGPL-3.0-only

	defmodule Pleroma.UserTest do
	alias Pleroma.Activity
	alias Pleroma.Builders.UserBuilder
	alias Pleroma.Object
	alias Pleroma.Repo
	alias Pleroma.Tests.ObanHelpers
	alias Pleroma.User
	alias Pleroma.Web.ActivityPub.ActivityPub
	alias Pleroma.Web.CommonAPI

	use Pleroma.DataCase
	use Oban.Testing, repo: Pleroma.Repo

	import Pleroma.Factory
	import ExUnit.CaptureLog
	import Swoosh.TestAssertions

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

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

	describe "service actors" do
	test "returns updated invisible actor" do
	uri = "#{Pleroma.Web.Endpoint.url()}/relay"
	followers_uri = "#{uri}/followers"

	insert(
	:user,
	%{
	nickname: "relay",
	invisible: false,
	local: true,
	ap_id: uri,
	follower_address: followers_uri
	}
	)

	actor = User.get_or_create_service_actor_by_ap_id(uri, "relay")
	assert actor.invisible
	end

	test "returns relay user" do
	uri = "#{Pleroma.Web.Endpoint.url()}/relay"
	followers_uri = "#{uri}/followers"

	assert %User{
	nickname: "relay",
	invisible: true,
	local: true,
	ap_id: ^uri,
	follower_address: ^followers_uri
	} = User.get_or_create_service_actor_by_ap_id(uri, "relay")

	assert capture_log(fn ->
	refute User.get_or_create_service_actor_by_ap_id("/relay", "relay")
	end) =~ "Cannot create service actor:"
	end

	test "returns invisible actor" do
	uri = "#{Pleroma.Web.Endpoint.url()}/internal/fetch-test"
	followers_uri = "#{uri}/followers"
	user = User.get_or_create_service_actor_by_ap_id(uri, "internal.fetch-test")

	assert %User{
	nickname: "internal.fetch-test",
	invisible: true,
	local: true,
	ap_id: ^uri,
	follower_address: ^followers_uri
	} = user

	user2 = User.get_or_create_service_actor_by_ap_id(uri, "internal.fetch-test")
	assert user.id == user2.id
	end
	end

	describe "AP ID user relationships" do
	setup do
	{:ok, user: insert(:user)}
	end

	test "outgoing_relationships_ap_ids/1", %{user: user} do
	rel_types = [:block, :mute, :notification_mute, :reblog_mute, :inverse_subscription]

	ap_ids_by_rel =
	Enum.into(
	rel_types,
	%{},
	fn rel_type ->
	rel_records =
	insert_list(2, :user_relationship, %{source: user, relationship_type: rel_type})

	ap_ids = Enum.map(rel_records, fn rr -> Repo.preload(rr, :target).target.ap_id end)
	{rel_type, Enum.sort(ap_ids)}
	end
	)

	assert ap_ids_by_rel[:block] == Enum.sort(User.blocked_users_ap_ids(user))
	assert ap_ids_by_rel[:block] == Enum.sort(Enum.map(User.blocked_users(user), & &1.ap_id))

	assert ap_ids_by_rel[:mute] == Enum.sort(User.muted_users_ap_ids(user))
	assert ap_ids_by_rel[:mute] == Enum.sort(Enum.map(User.muted_users(user), & &1.ap_id))

	assert ap_ids_by_rel[:notification_mute] ==
	Enum.sort(User.notification_muted_users_ap_ids(user))

	assert ap_ids_by_rel[:notification_mute] ==
	Enum.sort(Enum.map(User.notification_muted_users(user), & &1.ap_id))

	assert ap_ids_by_rel[:reblog_mute] == Enum.sort(User.reblog_muted_users_ap_ids(user))

	assert ap_ids_by_rel[:reblog_mute] ==
	Enum.sort(Enum.map(User.reblog_muted_users(user), & &1.ap_id))

	assert ap_ids_by_rel[:inverse_subscription] == Enum.sort(User.subscriber_users_ap_ids(user))

	assert ap_ids_by_rel[:inverse_subscription] ==
	Enum.sort(Enum.map(User.subscriber_users(user), & &1.ap_id))

	outgoing_relationships_ap_ids = User.outgoing_relationships_ap_ids(user, rel_types)

	assert ap_ids_by_rel ==
	Enum.into(outgoing_relationships_ap_ids, %{}, fn {k, v} -> {k, Enum.sort(v)} end)
	end
	end

	describe "when tags are nil" do
	test "tagging a user" do
	user = insert(:user, %{tags: nil})
	user = User.tag(user, ["cool", "dude"])

	assert "cool" in user.tags
	assert "dude" in user.tags
	end

	test "untagging a user" do
	user = insert(:user, %{tags: nil})
	user = User.untag(user, ["cool", "dude"])

	assert user.tags == []
	end
	end

	test "ap_id returns the activity pub id for the user" do
	user = UserBuilder.build()

	expected_ap_id = "#{Pleroma.Web.base_url()}/users/#{user.nickname}"

	assert expected_ap_id == User.ap_id(user)
	end

	test "ap_followers returns the followers collection for the user" do
	user = UserBuilder.build()

	expected_followers_collection = "#{User.ap_id(user)}/followers"

	assert expected_followers_collection == User.ap_followers(user)
	end

	test "ap_following returns the following collection for the user" do
	user = UserBuilder.build()

	expected_followers_collection = "#{User.ap_id(user)}/following"

	assert expected_followers_collection == User.ap_following(user)
	end

	test "returns all pending follow requests" do
	unlocked = insert(:user)
	locked = insert(:user, is_locked: true)
	follower = insert(:user)

	CommonAPI.follow(follower, unlocked)
	CommonAPI.follow(follower, locked)

	assert [] = User.get_follow_requests(unlocked)
	assert [activity] = User.get_follow_requests(locked)

	assert activity
	end

	test "doesn't return already accepted or duplicate follow requests" do
	locked = insert(:user, is_locked: true)
	pending_follower = insert(:user)
	accepted_follower = insert(:user)

	CommonAPI.follow(pending_follower, locked)
	CommonAPI.follow(pending_follower, locked)
	CommonAPI.follow(accepted_follower, locked)

	Pleroma.FollowingRelationship.update(accepted_follower, locked, :follow_accept)

	assert [^pending_follower] = User.get_follow_requests(locked)
	end

	test "doesn't return follow requests for deactivated accounts" do
	locked = insert(:user, is_locked: true)
	pending_follower = insert(:user, %{is_active: false})

	CommonAPI.follow(pending_follower, locked)

	refute pending_follower.is_active
	assert [] = User.get_follow_requests(locked)
	end

	test "clears follow requests when requester is blocked" do
	followed = insert(:user, is_locked: true)
	follower = insert(:user)

	CommonAPI.follow(follower, followed)
	assert [_activity] = User.get_follow_requests(followed)

	{:ok, _user_relationship} = User.block(followed, follower)
	assert [] = User.get_follow_requests(followed)
	end

	test "follow_all follows mutliple users" do
	user = insert(:user)
	followed_zero = insert(:user)
	followed_one = insert(:user)
	followed_two = insert(:user)
	blocked = insert(:user)
	not_followed = insert(:user)
	reverse_blocked = insert(:user)

	{:ok, _user_relationship} = User.block(user, blocked)
	{:ok, _user_relationship} = User.block(reverse_blocked, user)

	{:ok, user, followed_zero} = User.follow(user, followed_zero)

	{:ok, user} = User.follow_all(user, [followed_one, followed_two, blocked, reverse_blocked])

	assert User.following?(user, followed_one)
	assert User.following?(user, followed_two)
	assert User.following?(user, followed_zero)
	refute User.following?(user, not_followed)
	refute User.following?(user, blocked)
	refute User.following?(user, reverse_blocked)
	end

	test "follow_all follows mutliple users without duplicating" do
	user = insert(:user)
	followed_zero = insert(:user)
	followed_one = insert(:user)
	followed_two = insert(:user)

	{:ok, user} = User.follow_all(user, [followed_zero, followed_one])
	assert length(User.following(user)) == 3

	{:ok, user} = User.follow_all(user, [followed_one, followed_two])
	assert length(User.following(user)) == 4
	end

	test "follow takes a user and another user" do
	user = insert(:user)
	followed = insert(:user)

	{:ok, user, followed} = User.follow(user, followed)

	user = User.get_cached_by_id(user.id)
	followed = User.get_cached_by_ap_id(followed.ap_id)

	assert followed.follower_count == 1
	assert user.following_count == 1

	assert User.ap_followers(followed) in User.following(user)
	end

	test "can't follow a deactivated users" do
	user = insert(:user)
	followed = insert(:user, %{is_active: false})

	{:error, _} = User.follow(user, followed)
	end

	test "can't follow a user who blocked us" do
	blocker = insert(:user)
	blockee = insert(:user)

	{:ok, _user_relationship} = User.block(blocker, blockee)

	{:error, _} = User.follow(blockee, blocker)
	end

	test "can't subscribe to a user who blocked us" do
	blocker = insert(:user)
	blocked = insert(:user)

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

	{:error, _} = User.subscribe(blocked, blocker)
	end

	test "local users do not automatically follow local locked accounts" do
	follower = insert(:user, is_locked: true)
	followed = insert(:user, is_locked: true)

	{:ok, follower, followed} = User.maybe_direct_follow(follower, followed)

	refute User.following?(follower, followed)
	end

	describe "unfollow/2" do
	setup do: clear_config([:instance, :external_user_synchronization])

	test "unfollow with syncronizes external user" do
	clear_config([:instance, :external_user_synchronization], true)

	followed =
	insert(:user,
	nickname: "fuser1",
	follower_address: "http://localhost:4001/users/fuser1/followers",
	following_address: "http://localhost:4001/users/fuser1/following",
	ap_id: "http://localhost:4001/users/fuser1"
	)

	user =
	insert(:user, %{
	local: false,
	nickname: "fuser2",
	ap_id: "http://localhost:4001/users/fuser2",
	follower_address: "http://localhost:4001/users/fuser2/followers",
	following_address: "http://localhost:4001/users/fuser2/following"
	})

	{:ok, user, followed} = User.follow(user, followed, :follow_accept)

	{:ok, user, _activity} = User.unfollow(user, followed)

	user = User.get_cached_by_id(user.id)

	assert User.following(user) == []
	end

	test "unfollow takes a user and another user" do
	followed = insert(:user)
	user = insert(:user)

	{:ok, user, followed} = User.follow(user, followed, :follow_accept)

	assert User.following(user) == [user.follower_address, followed.follower_address]

	{:ok, user, _activity} = User.unfollow(user, followed)

	assert User.following(user) == [user.follower_address]
	end

	test "unfollow doesn't unfollow yourself" do
	user = insert(:user)

	{:error, _} = User.unfollow(user, user)

	assert User.following(user) == [user.follower_address]
	end
	end

	test "test if a user is following another user" do
	followed = insert(:user)
	user = insert(:user)
	User.follow(user, followed, :follow_accept)

	assert User.following?(user, followed)
	refute User.following?(followed, user)
	end

	test "fetches correct profile for nickname beginning with number" do
	# Use old-style integer ID to try to reproduce the problem
	user = insert(:user, %{id: 1080})
	user_with_numbers = insert(:user, %{nickname: "#{user.id}garbage"})
	assert user_with_numbers == User.get_cached_by_nickname_or_id(user_with_numbers.nickname)
	end

	describe "user registration" do
	@full_user_data %{
	bio: "A guy",
	name: "my name",
	nickname: "nick",
	password: "test",
	password_confirmation: "test",
	email: "email@example.com"
	}

	setup do: clear_config([:instance, :autofollowed_nicknames])
	setup do: clear_config([:instance, :autofollowing_nicknames])
	setup do: clear_config([:welcome])
	setup do: clear_config([:instance, :account_activation_required])

	test "it autofollows accounts that are set for it" do
	user = insert(:user)
	remote_user = insert(:user, %{local: false})

	clear_config([:instance, :autofollowed_nicknames], [
	user.nickname,
	remote_user.nickname
	])

	cng = User.register_changeset(%User{}, @full_user_data)

	{:ok, registered_user} = User.register(cng)

	assert User.following?(registered_user, user)
	refute User.following?(registered_user, remote_user)
	end

	test "it adds automatic followers for new registered accounts" do
	user1 = insert(:user)
	user2 = insert(:user)

	clear_config([:instance, :autofollowing_nicknames], [
	user1.nickname,
	user2.nickname
	])

	cng = User.register_changeset(%User{}, @full_user_data)

	{:ok, registered_user} = User.register(cng)

	assert User.following?(user1, registered_user)
	assert User.following?(user2, registered_user)
	end

	test "it sends a welcome message if it is set" do
	welcome_user = insert(:user)
	clear_config([:welcome, :direct_message, :enabled], true)
	clear_config([:welcome, :direct_message, :sender_nickname], welcome_user.nickname)
	clear_config([:welcome, :direct_message, :message], "Hello, this is a direct message")

	cng = User.register_changeset(%User{}, @full_user_data)
	{:ok, registered_user} = User.register(cng)
	ObanHelpers.perform_all()

	activity = Repo.one(Pleroma.Activity)
	assert registered_user.ap_id in activity.recipients
	assert Object.normalize(activity, fetch: false).data["content"] =~ "direct message"
	assert activity.actor == welcome_user.ap_id
	end

	test "it sends a welcome chat message if it is set" do
	welcome_user = insert(:user)
	clear_config([:welcome, :chat_message, :enabled], true)
	clear_config([:welcome, :chat_message, :sender_nickname], welcome_user.nickname)
	clear_config([:welcome, :chat_message, :message], "Hello, this is a chat message")

	cng = User.register_changeset(%User{}, @full_user_data)
	{:ok, registered_user} = User.register(cng)
	ObanHelpers.perform_all()

	activity = Repo.one(Pleroma.Activity)
	assert registered_user.ap_id in activity.recipients
	assert Object.normalize(activity, fetch: false).data["content"] =~ "chat message"
	assert activity.actor == welcome_user.ap_id
	end

	setup do:
	clear_config(:mrf_simple,
	media_removal: [],
	media_nsfw: [],
	federated_timeline_removal: [],
	report_removal: [],
	reject: [],
	followers_only: [],
	accept: [],
	avatar_removal: [],
	banner_removal: [],
	reject_deletes: []
	)

	setup do:
	clear_config(:mrf,
	policies: [
	Pleroma.Web.ActivityPub.MRF.SimplePolicy
	]
	)

	test "it sends a welcome chat message when Simple policy applied to local instance" do
	clear_config([:mrf_simple, :media_nsfw], ["localhost"])

	welcome_user = insert(:user)
	clear_config([:welcome, :chat_message, :enabled], true)
	clear_config([:welcome, :chat_message, :sender_nickname], welcome_user.nickname)
	clear_config([:welcome, :chat_message, :message], "Hello, this is a chat message")

	cng = User.register_changeset(%User{}, @full_user_data)
	{:ok, registered_user} = User.register(cng)
	ObanHelpers.perform_all()

	activity = Repo.one(Pleroma.Activity)
	assert registered_user.ap_id in activity.recipients
	assert Object.normalize(activity, fetch: false).data["content"] =~ "chat message"
	assert activity.actor == welcome_user.ap_id
	end

	test "it sends a welcome email message if it is set" do
	welcome_user = insert(:user)
	clear_config([:welcome, :email, :enabled], true)
	clear_config([:welcome, :email, :sender], welcome_user.email)

	clear_config(
	[:welcome, :email, :subject],
	"Hello, welcome to cool site: <%= instance_name %>"
	)

	instance_name = Pleroma.Config.get([:instance, :name])

	cng = User.register_changeset(%User{}, @full_user_data)
	{:ok, registered_user} = User.register(cng)
	ObanHelpers.perform_all()

	assert_email_sent(
	from: {instance_name, welcome_user.email},
	to: {registered_user.name, registered_user.email},
	subject: "Hello, welcome to cool site: #{instance_name}",
	html_body: "Welcome to #{instance_name}"
	)
	end

	test "it sends a confirm email" do
	clear_config([:instance, :account_activation_required], true)

	cng = User.register_changeset(%User{}, @full_user_data)
	{:ok, registered_user} = User.register(cng)
	ObanHelpers.perform_all()

	Pleroma.Emails.UserEmail.account_confirmation_email(registered_user)
	# temporary hackney fix until hackney max_connections bug is fixed
	# https://git.pleroma.social/pleroma/pleroma/-/issues/2101
	\|> Swoosh.Email.put_private(:hackney_options, ssl_options: [versions: [:"tlsv1.2"]])
	\|> assert_email_sent()
	end

	test "sends a pending approval email" do
	clear_config([:instance, :account_approval_required], true)

	{:ok, user} =
	User.register_changeset(%User{}, @full_user_data)
	\|> User.register()

	ObanHelpers.perform_all()

	assert_email_sent(
	from: Pleroma.Config.Helpers.sender(),
	to: {user.name, user.email},
	subject: "Your account is awaiting approval"
	)
	end

	test "it sends a registration confirmed email if no others will be sent" do
	clear_config([:welcome, :email, :enabled], false)
	clear_config([:instance, :account_activation_required], false)
	clear_config([:instance, :account_approval_required], false)

	{:ok, user} =
	User.register_changeset(%User{}, @full_user_data)
	\|> User.register()

	ObanHelpers.perform_all()

	instance_name = Pleroma.Config.get([:instance, :name])
	sender = Pleroma.Config.get([:instance, :notify_email])

	assert_email_sent(
	from: {instance_name, sender},
	to: {user.name, user.email},
	subject: "Account registered on #{instance_name}"
	)
	end

	test "it requires an email, name, nickname and password, bio is optional when account_activation_required is enabled" do
	clear_config([:instance, :account_activation_required], true)

	@full_user_data
	\|> Map.keys()
	\|> Enum.each(fn key ->
	params = Map.delete(@full_user_data, key)
	changeset = User.register_changeset(%User{}, params)

	assert if key == :bio, do: changeset.valid?, else: not changeset.valid?
	end)
	end

	test "it requires an name, nickname and password, bio and email are optional when account_activation_required is disabled" do
	clear_config([:instance, :account_activation_required], false)

	@full_user_data
	\|> Map.keys()
	\|> Enum.each(fn key ->
	params = Map.delete(@full_user_data, key)
	changeset = User.register_changeset(%User{}, params)

	assert if key in [:bio, :email], do: changeset.valid?, else: not changeset.valid?
	end)
	end

	test "it restricts certain nicknames" do
	[restricted_name \| _] = Pleroma.Config.get([User, :restricted_nicknames])

	assert is_bitstring(restricted_name)

	params =
	@full_user_data
	\|> Map.put(:nickname, restricted_name)

	changeset = User.register_changeset(%User{}, params)

	refute changeset.valid?
	end

	test "it blocks blacklisted email domains" do
	clear_config([User, :email_blacklist], ["trolling.world"])

	# Block with match
	params = Map.put(@full_user_data, :email, "troll@trolling.world")
	changeset = User.register_changeset(%User{}, params)
	refute changeset.valid?

	# Block with subdomain match
	params = Map.put(@full_user_data, :email, "troll@gnomes.trolling.world")
	changeset = User.register_changeset(%User{}, params)
	refute changeset.valid?

	# Pass with different domains that are similar
	params = Map.put(@full_user_data, :email, "troll@gnomestrolling.world")
	changeset = User.register_changeset(%User{}, params)
	assert changeset.valid?

	params = Map.put(@full_user_data, :email, "troll@trolling.world.us")
	changeset = User.register_changeset(%User{}, params)
	assert changeset.valid?
	end

	test "it sets the password_hash and ap_id" do
	changeset = User.register_changeset(%User{}, @full_user_data)

	assert changeset.valid?

	assert is_binary(changeset.changes[:password_hash])
	assert changeset.changes[:ap_id] == User.ap_id(%User{nickname: @full_user_data.nickname})

	assert changeset.changes.follower_address == "#{changeset.changes.ap_id}/followers"
	end

	test "it sets the 'accepts_chat_messages' set to true" do
	changeset = User.register_changeset(%User{}, @full_user_data)
	assert changeset.valid?

	{:ok, user} = Repo.insert(changeset)

	assert user.accepts_chat_messages
	end

	test "it creates a confirmed user" do
	changeset = User.register_changeset(%User{}, @full_user_data)
	assert changeset.valid?

	{:ok, user} = Repo.insert(changeset)

	assert user.is_confirmed
	end
	end

	describe "user registration, with :account_activation_required" do
	@full_user_data %{
	bio: "A guy",
	name: "my name",
	nickname: "nick",
	password: "test",
	password_confirmation: "test",
	email: "email@example.com"
	}
	setup do: clear_config([:instance, :account_activation_required], true)

	test "it creates unconfirmed user" do
	changeset = User.register_changeset(%User{}, @full_user_data)
	assert changeset.valid?

	{:ok, user} = Repo.insert(changeset)

	refute user.is_confirmed
	assert user.confirmation_token
	end

	test "it creates confirmed user if :confirmed option is given" do
	changeset = User.register_changeset(%User{}, @full_user_data, confirmed: true)
	assert changeset.valid?

	{:ok, user} = Repo.insert(changeset)

	assert user.is_confirmed
	refute user.confirmation_token
	end
	end

	describe "user registration, with :account_approval_required" do
	@full_user_data %{
	bio: "A guy",
	name: "my name",
	nickname: "nick",
	password: "test",
	password_confirmation: "test",
	email: "email@example.com",
	registration_reason: "I'm a cool guy :)"
	}
	setup do: clear_config([:instance, :account_approval_required], true)

	test "it creates unapproved user" do
	changeset = User.register_changeset(%User{}, @full_user_data)
	assert changeset.valid?

	{:ok, user} = Repo.insert(changeset)

	refute user.is_approved
	assert user.registration_reason == "I'm a cool guy :)"
	end

	test "it restricts length of registration reason" do
	reason_limit = Pleroma.Config.get([:instance, :registration_reason_length])

	assert is_integer(reason_limit)

	params =
	@full_user_data
	\|> Map.put(
	:registration_reason,
	"Quia et nesciunt dolores numquam ipsam nisi sapiente soluta. Ullam repudiandae nisi quam porro officiis officiis ad. Consequatur animi velit ex quia. Odit voluptatem perferendis quia ut nisi. Dignissimos sit soluta atque aliquid dolorem ut dolorum ut. Labore voluptates iste iusto amet voluptatum earum. Ad fugit illum nam eos ut nemo. Pariatur ea fuga non aspernatur. Dignissimos debitis officia corporis est nisi ab et. Atque itaque alias eius voluptas minus. Accusamus numquam tempore occaecati in."
	)

	changeset = User.register_changeset(%User{}, params)

	refute changeset.valid?
	end
	end

	describe "get_or_fetch/1" do
	test "gets an existing user by nickname" do
	user = insert(:user)
	{:ok, fetched_user} = User.get_or_fetch(user.nickname)

	assert user == fetched_user
	end

	test "gets an existing user by ap_id" do
	ap_id = "http://mastodon.example.org/users/admin"

	user =
	insert(
	:user,
	local: false,
	nickname: "admin@mastodon.example.org",
	ap_id: ap_id
	)

	{:ok, fetched_user} = User.get_or_fetch(ap_id)
	freshed_user = refresh_record(user)
	assert freshed_user == fetched_user
	end
	end

	describe "fetching a user from nickname or trying to build one" do
	test "gets an existing user" do
	user = insert(:user)
	{:ok, fetched_user} = User.get_or_fetch_by_nickname(user.nickname)

	assert user == fetched_user
	end

	test "gets an existing user, case insensitive" do
	user = insert(:user, nickname: "nick")
	{:ok, fetched_user} = User.get_or_fetch_by_nickname("NICK")

	assert user == fetched_user
	end

	test "gets an existing user by fully qualified nickname" do
	user = insert(:user)

	{:ok, fetched_user} =
	User.get_or_fetch_by_nickname(user.nickname <> "@" <> Pleroma.Web.Endpoint.host())

	assert user == fetched_user
	end

	test "gets an existing user by fully qualified nickname, case insensitive" do
	user = insert(:user, nickname: "nick")
	casing_altered_fqn = String.upcase(user.nickname <> "@" <> Pleroma.Web.Endpoint.host())

	{:ok, fetched_user} = User.get_or_fetch_by_nickname(casing_altered_fqn)

	assert user == fetched_user
	end

	@tag capture_log: true
	test "returns nil if no user could be fetched" do
	{:error, fetched_user} = User.get_or_fetch_by_nickname("nonexistant@social.heldscal.la")
	assert fetched_user == "not found nonexistant@social.heldscal.la"
	end

	test "returns nil for nonexistant local user" do
	{:error, fetched_user} = User.get_or_fetch_by_nickname("nonexistant")
	assert fetched_user == "not found nonexistant"
	end

	test "updates an existing user, if stale" do
	a_week_ago = NaiveDateTime.add(NaiveDateTime.utc_now(), -604_800)

	orig_user =
	insert(
	:user,
	local: false,
	nickname: "admin@mastodon.example.org",
	ap_id: "http://mastodon.example.org/users/admin",
	last_refreshed_at: a_week_ago
	)

	assert orig_user.last_refreshed_at == a_week_ago

	{:ok, user} = User.get_or_fetch_by_ap_id("http://mastodon.example.org/users/admin")

	assert user.inbox

	refute user.last_refreshed_at == orig_user.last_refreshed_at
	end

	test "if nicknames clash, the old user gets a prefix with the old id to the nickname" do
	a_week_ago = NaiveDateTime.add(NaiveDateTime.utc_now(), -604_800)

	orig_user =
	insert(
	:user,
	local: false,
	nickname: "admin@mastodon.example.org",
	ap_id: "http://mastodon.example.org/users/harinezumigari",
	last_refreshed_at: a_week_ago
	)

	assert orig_user.last_refreshed_at == a_week_ago

	{:ok, user} = User.get_or_fetch_by_ap_id("http://mastodon.example.org/users/admin")

	assert user.inbox

	refute user.id == orig_user.id

	orig_user = User.get_by_id(orig_user.id)

	assert orig_user.nickname == "#{orig_user.id}.admin@mastodon.example.org"
	end

	@tag capture_log: true
	test "it returns the old user if stale, but unfetchable" do
	a_week_ago = NaiveDateTime.add(NaiveDateTime.utc_now(), -604_800)

	orig_user =
	insert(
	:user,
	local: false,
	nickname: "admin@mastodon.example.org",
	ap_id: "http://mastodon.example.org/users/raymoo",
	last_refreshed_at: a_week_ago
	)

	assert orig_user.last_refreshed_at == a_week_ago

	{:ok, user} = User.get_or_fetch_by_ap_id("http://mastodon.example.org/users/raymoo")

	assert user.last_refreshed_at == orig_user.last_refreshed_at
	end
	end

	test "returns an ap_id for a user" do
	user = insert(:user)

	assert User.ap_id(user) ==
	Pleroma.Web.Router.Helpers.user_feed_url(
	Pleroma.Web.Endpoint,
	:feed_redirect,
	user.nickname
	)
	end

	test "returns an ap_followers link for a user" do
	user = insert(:user)

	assert User.ap_followers(user) ==
	Pleroma.Web.Router.Helpers.user_feed_url(
	Pleroma.Web.Endpoint,
	:feed_redirect,
	user.nickname
	) <> "/followers"
	end

	describe "remote user changeset" do
	@valid_remote %{
	bio: "hello",
	name: "Someone",
	nickname: "a@b.de",
	ap_id: "http...",
	avatar: %{some: "avatar"}
	}
	setup do: clear_config([:instance, :user_bio_length])
	setup do: clear_config([:instance, :user_name_length])

	test "it confirms validity" do
	cs = User.remote_user_changeset(@valid_remote)
	assert cs.valid?
	end

	test "it sets the follower_adress" do
	cs = User.remote_user_changeset(@valid_remote)
	# remote users get a fake local follower address
	assert cs.changes.follower_address ==
	User.ap_followers(%User{nickname: @valid_remote[:nickname]})
	end

	test "it enforces the fqn format for nicknames" do
	cs = User.remote_user_changeset(%{@valid_remote \| nickname: "bla"})
	assert Ecto.Changeset.get_field(cs, :local) == false
	assert cs.changes.avatar
	refute cs.valid?
	end

	test "it has required fields" do
	[:ap_id]
	\|> Enum.each(fn field ->
	cs = User.remote_user_changeset(Map.delete(@valid_remote, field))
	refute cs.valid?
	end)
	end

	test "it is invalid given a local user" do
	user = insert(:user)
	cs = User.remote_user_changeset(user, %{name: "tom from myspace"})

	refute cs.valid?
	end
	end

	describe "followers and friends" do
	test "gets all followers for a given user" do
	user = insert(:user)
	follower_one = insert(:user)
	follower_two = insert(:user)
	not_follower = insert(:user)

	{:ok, follower_one, user} = User.follow(follower_one, user)
	{:ok, follower_two, user} = User.follow(follower_two, user)

	res = User.get_followers(user)

	assert Enum.member?(res, follower_one)
	assert Enum.member?(res, follower_two)
	refute Enum.member?(res, not_follower)
	end

	test "gets all friends (followed users) for a given user" do
	user = insert(:user)
	followed_one = insert(:user)
	followed_two = insert(:user)
	not_followed = insert(:user)

	{:ok, user, followed_one} = User.follow(user, followed_one)
	{:ok, user, followed_two} = User.follow(user, followed_two)

	res = User.get_friends(user)

	followed_one = User.get_cached_by_ap_id(followed_one.ap_id)
	followed_two = User.get_cached_by_ap_id(followed_two.ap_id)
	assert Enum.member?(res, followed_one)
	assert Enum.member?(res, followed_two)
	refute Enum.member?(res, not_followed)
	end
	end

	describe "updating note and follower count" do
	test "it sets the note_count property" do
	note = insert(:note)

	user = User.get_cached_by_ap_id(note.data["actor"])

	assert user.note_count == 0

	{:ok, user} = User.update_note_count(user)

	assert user.note_count == 1
	end

	test "it increases the note_count property" do
	note = insert(:note)
	user = User.get_cached_by_ap_id(note.data["actor"])

	assert user.note_count == 0

	{:ok, user} = User.increase_note_count(user)

	assert user.note_count == 1

	{:ok, user} = User.increase_note_count(user)

	assert user.note_count == 2
	end

	test "it decreases the note_count property" do
	note = insert(:note)
	user = User.get_cached_by_ap_id(note.data["actor"])

	assert user.note_count == 0

	{:ok, user} = User.increase_note_count(user)

	assert user.note_count == 1

	{:ok, user} = User.decrease_note_count(user)

	assert user.note_count == 0

	{:ok, user} = User.decrease_note_count(user)

	assert user.note_count == 0
	end

	test "it sets the follower_count property" do
	user = insert(:user)
	follower = insert(:user)

	User.follow(follower, user)

	assert user.follower_count == 0

	{:ok, user} = User.update_follower_count(user)

	assert user.follower_count == 1
	end
	end

	describe "mutes" do
	test "it mutes people" do
	user = insert(:user)
	muted_user = insert(:user)

	refute User.mutes?(user, muted_user)
	refute User.muted_notifications?(user, muted_user)

	{:ok, _user_relationships} = User.mute(user, muted_user)

	assert User.mutes?(user, muted_user)
	assert User.muted_notifications?(user, muted_user)
	end

	test "expiring" do
	user = insert(:user)
	muted_user = insert(:user)

	{:ok, _user_relationships} = User.mute(user, muted_user, %{expires_in: 60})
	assert User.mutes?(user, muted_user)

	worker = Pleroma.Workers.MuteExpireWorker
	args = %{"op" => "unmute_user", "muter_id" => user.id, "mutee_id" => muted_user.id}

	assert_enqueued(
	worker: worker,
	args: args
	)

	assert :ok = perform_job(worker, args)

	refute User.mutes?(user, muted_user)
	refute User.muted_notifications?(user, muted_user)
	end

	test "it unmutes users" do
	user = insert(:user)
	muted_user = insert(:user)

	{:ok, _user_relationships} = User.mute(user, muted_user)
	{:ok, _user_mute} = User.unmute(user, muted_user)

	refute User.mutes?(user, muted_user)
	refute User.muted_notifications?(user, muted_user)
	end

	test "it unmutes users by id" do
	user = insert(:user)
	muted_user = insert(:user)

	{:ok, _user_relationships} = User.mute(user, muted_user)
	{:ok, _user_mute} = User.unmute(user.id, muted_user.id)

	refute User.mutes?(user, muted_user)
	refute User.muted_notifications?(user, muted_user)
	end

	test "it mutes user without notifications" do
	user = insert(:user)
	muted_user = insert(:user)

	refute User.mutes?(user, muted_user)
	refute User.muted_notifications?(user, muted_user)

	{:ok, _user_relationships} = User.mute(user, muted_user, %{notifications: false})

	assert User.mutes?(user, muted_user)
	refute User.muted_notifications?(user, muted_user)
	end
	end

	describe "blocks" do
	test "it blocks people" do
	user = insert(:user)
	blocked_user = insert(:user)

	refute User.blocks?(user, blocked_user)

	{:ok, _user_relationship} = User.block(user, blocked_user)

	assert User.blocks?(user, blocked_user)
	end

	test "it unblocks users" do
	user = insert(:user)
	blocked_user = insert(:user)

	{:ok, _user_relationship} = User.block(user, blocked_user)
	{:ok, _user_block} = User.unblock(user, blocked_user)

	refute User.blocks?(user, blocked_user)
	end

	test "blocks tear down cyclical follow relationships" do
	blocker = insert(:user)
	blocked = insert(:user)

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

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

	{:ok, _user_relationship} = User.block(blocker, blocked)
	blocked = User.get_cached_by_id(blocked.id)

	assert User.blocks?(blocker, blocked)

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

	test "blocks tear down blocker->blocked follow relationships" do
	blocker = insert(:user)
	blocked = insert(:user)

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

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

	{:ok, _user_relationship} = User.block(blocker, blocked)
	blocked = User.get_cached_by_id(blocked.id)

	assert User.blocks?(blocker, blocked)

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

	test "blocks tear down blocked->blocker follow relationships" do
	blocker = insert(:user)
	blocked = insert(:user)

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

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

	{:ok, _user_relationship} = User.block(blocker, blocked)
	blocked = User.get_cached_by_id(blocked.id)

	assert User.blocks?(blocker, blocked)

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

	test "blocks tear down blocked->blocker subscription relationships" do
	blocker = insert(:user)
	blocked = insert(:user)

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

	assert User.subscribed_to?(blocked, blocker)
	refute User.subscribed_to?(blocker, blocked)

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

	assert User.blocks?(blocker, blocked)
	refute User.subscribed_to?(blocker, blocked)
	refute User.subscribed_to?(blocked, blocker)
	end
	end

	describe "domain blocking" do
	test "blocks domains" do
	user = insert(:user)
	collateral_user = insert(:user, %{ap_id: "https://awful-and-rude-instance.com/user/bully"})

	{:ok, user} = User.block_domain(user, "awful-and-rude-instance.com")

	assert User.blocks?(user, collateral_user)
	end

	test "does not block domain with same end" do
	user = insert(:user)

	collateral_user =
	insert(:user, %{ap_id: "https://another-awful-and-rude-instance.com/user/bully"})

	{:ok, user} = User.block_domain(user, "awful-and-rude-instance.com")

	refute User.blocks?(user, collateral_user)
	end

	test "does not block domain with same end if wildcard added" do
	user = insert(:user)

	collateral_user =
	insert(:user, %{ap_id: "https://another-awful-and-rude-instance.com/user/bully"})

	{:ok, user} = User.block_domain(user, "*.awful-and-rude-instance.com")

	refute User.blocks?(user, collateral_user)
	end

	test "blocks domain with wildcard for subdomain" do
	user = insert(:user)

	user_from_subdomain =
	insert(:user, %{ap_id: "https://subdomain.awful-and-rude-instance.com/user/bully"})

	user_with_two_subdomains =
	insert(:user, %{
	ap_id: "https://subdomain.second_subdomain.awful-and-rude-instance.com/user/bully"
	})

	user_domain = insert(:user, %{ap_id: "https://awful-and-rude-instance.com/user/bully"})

	{:ok, user} = User.block_domain(user, "*.awful-and-rude-instance.com")

	assert User.blocks?(user, user_from_subdomain)
	assert User.blocks?(user, user_with_two_subdomains)
	assert User.blocks?(user, user_domain)
	end

	test "unblocks domains" do
	user = insert(:user)
	collateral_user = insert(:user, %{ap_id: "https://awful-and-rude-instance.com/user/bully"})

	{:ok, user} = User.block_domain(user, "awful-and-rude-instance.com")
	{:ok, user} = User.unblock_domain(user, "awful-and-rude-instance.com")

	refute User.blocks?(user, collateral_user)
	end

	test "follows take precedence over domain blocks" do
	user = insert(:user)
	good_eggo = insert(:user, %{ap_id: "https://meanies.social/user/cuteposter"})

	{:ok, user} = User.block_domain(user, "meanies.social")
	{:ok, user, good_eggo} = User.follow(user, good_eggo)

	refute User.blocks?(user, good_eggo)
	end
	end

	describe "get_recipients_from_activity" do
	test "works for announces" do
	actor = insert(:user)
	user = insert(:user, local: true)

	{:ok, activity} = CommonAPI.post(actor, %{status: "hello"})
	{:ok, announce} = CommonAPI.repeat(activity.id, user)

	recipients = User.get_recipients_from_activity(announce)

	assert user in recipients
	end

	test "get recipients" do
	actor = insert(:user)
	user = insert(:user, local: true)
	user_two = insert(:user, local: false)
	addressed = insert(:user, local: true)
	addressed_remote = insert(:user, local: false)

	{:ok, activity} =
	CommonAPI.post(actor, %{
	status: "hey @#{addressed.nickname} @#{addressed_remote.nickname}"
	})

	assert Enum.map([actor, addressed], & &1.ap_id) --
	Enum.map(User.get_recipients_from_activity(activity), & &1.ap_id) == []

	{:ok, user, actor} = User.follow(user, actor)
	{:ok, _user_two, _actor} = User.follow(user_two, actor)
	recipients = User.get_recipients_from_activity(activity)
	assert length(recipients) == 3
	assert user in recipients
	assert addressed in recipients
	end

	test "has following" do
	actor = insert(:user)
	user = insert(:user)
	user_two = insert(:user)
	addressed = insert(:user, local: true)

	{:ok, activity} =
	CommonAPI.post(actor, %{
	status: "hey @#{addressed.nickname}"
	})

	assert Enum.map([actor, addressed], & &1.ap_id) --
	Enum.map(User.get_recipients_from_activity(activity), & &1.ap_id) == []

	{:ok, _actor, _user} = User.follow(actor, user)
	{:ok, _actor, _user_two} = User.follow(actor, user_two)
	recipients = User.get_recipients_from_activity(activity)
	assert length(recipients) == 2
	assert addressed in recipients
	end
	end

	describe ".set_activation" do
	test "can de-activate then re-activate a user" do
	user = insert(:user)
	assert user.is_active
	{:ok, user} = User.set_activation(user, false)
	refute user.is_active
	{:ok, user} = User.set_activation(user, true)
	assert user.is_active
	end

	test "hide a user from followers" do
	user = insert(:user)
	user2 = insert(:user)

	{:ok, user, user2} = User.follow(user, user2)
	{:ok, _user} = User.set_activation(user, false)

	user2 = User.get_cached_by_id(user2.id)

	assert user2.follower_count == 0
	assert [] = User.get_followers(user2)
	end

	test "hide a user from friends" do
	user = insert(:user)
	user2 = insert(:user)

	{:ok, user2, user} = User.follow(user2, user)
	assert user2.following_count == 1
	assert User.following_count(user2) == 1

	{:ok, _user} = User.set_activation(user, false)

	user2 = User.get_cached_by_id(user2.id)

	assert refresh_record(user2).following_count == 0
	assert user2.following_count == 0
	assert User.following_count(user2) == 0
	assert [] = User.get_friends(user2)
	end

	test "hide a user's statuses from timelines and notifications" do
	user = insert(:user)
	user2 = insert(:user)

	{:ok, user2, user} = User.follow(user2, user)

	{:ok, activity} = CommonAPI.post(user, %{status: "hey @#{user2.nickname}"})

	activity = Repo.preload(activity, :bookmark)

	[notification] = Pleroma.Notification.for_user(user2)
	assert notification.activity.id == activity.id

	assert [activity] == ActivityPub.fetch_public_activities(%{}) \|> Repo.preload(:bookmark)

	assert [%{activity \| thread_muted?: CommonAPI.thread_muted?(user2, activity)}] ==
	ActivityPub.fetch_activities([user2.ap_id \| User.following(user2)], %{
	user: user2
	})

	{:ok, _user} = User.set_activation(user, false)

	assert [] == ActivityPub.fetch_public_activities(%{})
	assert [] == Pleroma.Notification.for_user(user2)

	assert [] ==
	ActivityPub.fetch_activities([user2.ap_id \| User.following(user2)], %{
	user: user2
	})
	end
	end

	describe "approve" do
	test "approves a user" do
	user = insert(:user, is_approved: false)
	refute user.is_approved
	{:ok, user} = User.approve(user)
	assert user.is_approved
	end

	test "approves a list of users" do
	unapproved_users = [
	insert(:user, is_approved: false),
	insert(:user, is_approved: false),
	insert(:user, is_approved: false)
	]

	{:ok, users} = User.approve(unapproved_users)

	assert Enum.count(users) == 3

	Enum.each(users, fn user ->
	assert user.is_approved
	end)
	end

	test "it sends welcome email if it is set" do
	clear_config([:welcome, :email, :enabled], true)
	clear_config([:welcome, :email, :sender], "tester@test.me")

	user = insert(:user, is_approved: false)
	welcome_user = insert(:user, email: "tester@test.me")
	instance_name = Pleroma.Config.get([:instance, :name])

	User.approve(user)

	ObanHelpers.perform_all()

	assert_email_sent(
	from: {instance_name, welcome_user.email},
	to: {user.name, user.email},
	html_body: "Welcome to #{instance_name}"
	)
	end

	test "approving an approved user does not trigger post-register actions" do
	clear_config([:welcome, :email, :enabled], true)

	user = insert(:user, is_approved: true)
	User.approve(user)

	ObanHelpers.perform_all()

	assert_no_email_sent()
	end
	end

	describe "confirm" do
	test "confirms a user" do
	user = insert(:user, is_confirmed: false)
	refute user.is_confirmed
	{:ok, user} = User.confirm(user)
	assert user.is_confirmed
	end

	test "confirms a list of users" do
	unconfirmed_users = [
	insert(:user, is_confirmed: false),
	insert(:user, is_confirmed: false),
	insert(:user, is_confirmed: false)
	]

	{:ok, users} = User.confirm(unconfirmed_users)

	assert Enum.count(users) == 3

	Enum.each(users, fn user ->
	assert user.is_confirmed
	end)
	end

	test "sends approval emails when `is_approved: false`" do
	admin = insert(:user, is_admin: true)
	user = insert(:user, is_confirmed: false, is_approved: false)
	User.confirm(user)

	ObanHelpers.perform_all()

	user_email = Pleroma.Emails.UserEmail.approval_pending_email(user)
	admin_email = Pleroma.Emails.AdminEmail.new_unapproved_registration(admin, user)

	notify_email = Pleroma.Config.get([:instance, :notify_email])
	instance_name = Pleroma.Config.get([:instance, :name])

	# User approval email
	assert_email_sent(
	from: {instance_name, notify_email},
	to: {user.name, user.email},
	html_body: user_email.html_body
	)

	# Admin email
	assert_email_sent(
	from: {instance_name, notify_email},
	to: {admin.name, admin.email},
	html_body: admin_email.html_body
	)
	end

	test "confirming a confirmed user does not trigger post-register actions" do
	user = insert(:user, is_confirmed: true, is_approved: false)
	User.confirm(user)

	ObanHelpers.perform_all()

	assert_no_email_sent()
	end
	end

	describe "delete" do
	setup do
	{:ok, user} = insert(:user) \|> User.set_cache()

	[user: user]
	end

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

	test ".delete_user_activities deletes all create activities", %{user: user} do
	{:ok, activity} = CommonAPI.post(user, %{status: "2hu"})

	User.delete_user_activities(user)

	# TODO: Test removal favorites, repeats, delete activities.
	refute Activity.get_by_id(activity.id)
	end

	test "it deactivates a user, all follow relationships and all activities", %{user: user} do
	follower = insert(:user)
	{:ok, follower, user} = User.follow(follower, user)

	locked_user = insert(:user, name: "locked", is_locked: true)
	{:ok, _, _} = User.follow(user, locked_user, :follow_pending)

	object = insert(:note, user: user)
	activity = insert(:note_activity, user: user, note: object)

	object_two = insert(:note, user: follower)
	activity_two = insert(:note_activity, user: follower, note: object_two)

	{:ok, like} = CommonAPI.favorite(user, activity_two.id)
	{:ok, like_two} = CommonAPI.favorite(follower, activity.id)
	{:ok, repeat} = CommonAPI.repeat(activity_two.id, user)

	{:ok, job} = User.delete(user)
	{:ok, _user} = ObanHelpers.perform(job)

	follower = User.get_cached_by_id(follower.id)

	refute User.following?(follower, user)
	assert %{is_active: false} = User.get_by_id(user.id)

	assert [] == User.get_follow_requests(locked_user)

	user_activities =
	user.ap_id
	\|> Activity.Queries.by_actor()
	\|> Repo.all()
	\|> Enum.map(fn act -> act.data["type"] end)

	assert Enum.all?(user_activities, fn act -> act in ~w(Delete Undo) end)

	refute Activity.get_by_id(activity.id)
	refute Activity.get_by_id(like.id)
	refute Activity.get_by_id(like_two.id)
	refute Activity.get_by_id(repeat.id)
	end
	end

	test "delete/1 when confirmation is pending deletes the user" do
	clear_config([:instance, :account_activation_required], true)
	user = insert(:user, is_confirmed: false)

	{:ok, job} = User.delete(user)
	{:ok, _} = ObanHelpers.perform(job)

	refute User.get_cached_by_id(user.id)
	refute User.get_by_id(user.id)
	end

	test "delete/1 when approval is pending deletes the user" do
	user = insert(:user, is_approved: false)

	{:ok, job} = User.delete(user)
	{:ok, _} = ObanHelpers.perform(job)

	refute User.get_cached_by_id(user.id)
	refute User.get_by_id(user.id)
	end

	test "delete/1 purges a user when they wouldn't be fully deleted" do
	user =
	insert(:user, %{
	bio: "eyy lmao",
	name: "qqqqqqq",
	password_hash: "pdfk2$1b3n159001",
	keys: "RSA begin buplic key",
	public_key: "--PRIVATE KEYE--",
	avatar: %{"a" => "b"},
	tags: ["qqqqq"],
	banner: %{"a" => "b"},
	background: %{"a" => "b"},
	note_count: 9,
	follower_count: 9,
	following_count: 9001,
	is_locked: true,
	- is_confirmed: false,
	+ is_confirmed: true,
	password_reset_pending: true,
	- is_approved: false,
	+ is_approved: true,
	registration_reason: "ahhhhh",
	confirmation_token: "qqqq",
	domain_blocks: ["lain.com"],
	is_active: false,
	ap_enabled: true,
	is_moderator: true,
	is_admin: true,
	mastofe_settings: %{"a" => "b"},
	mascot: %{"a" => "b"},
	emoji: %{"a" => "b"},
	pleroma_settings_store: %{"q" => "x"},
	fields: [%{"gg" => "qq"}],
	raw_fields: [%{"gg" => "qq"}],
	is_discoverable: true,
	also_known_as: ["https://lol.olo/users/loll"]
	})

	{:ok, job} = User.delete(user)
	{:ok, _} = ObanHelpers.perform(job)
	user = User.get_by_id(user.id)

	assert %User{
	bio: "",
	raw_bio: nil,
	email: nil,
	name: nil,
	password_hash: nil,
	keys: nil,
	public_key: nil,
	avatar: %{},
	tags: [],
	last_refreshed_at: nil,
	last_digest_emailed_at: nil,
	banner: %{},
	background: %{},
	note_count: 0,
	follower_count: 0,
	following_count: 0,
	is_locked: false,
	- is_confirmed: false,
	+ is_confirmed: true,
	password_reset_pending: false,
	- is_approved: false,
	+ is_approved: true,
	registration_reason: nil,
	confirmation_token: nil,
	domain_blocks: [],
	is_active: false,
	ap_enabled: false,
	is_moderator: false,
	is_admin: false,
	mastofe_settings: nil,
	mascot: nil,
	emoji: %{},
	pleroma_settings_store: %{},
	fields: [],
	raw_fields: [],
	is_discoverable: false,
	also_known_as: []
	} = user
	end

	test "delete/1 purges a remote user" do
	user =
	insert(:user, %{
	name: "qqqqqqq",
	avatar: %{"a" => "b"},
	banner: %{"a" => "b"},
	local: false
	})

	{:ok, job} = User.delete(user)
	{:ok, _} = ObanHelpers.perform(job)
	user = User.get_by_id(user.id)

	assert user.name == nil
	assert user.avatar == %{}
	assert user.banner == %{}
	end

	test "get_public_key_for_ap_id fetches a user that's not in the db" do
	assert {:ok, _key} = User.get_public_key_for_ap_id("http://mastodon.example.org/users/admin")
	end

	describe "per-user rich-text filtering" do
	test "html_filter_policy returns default policies, when rich-text is enabled" do
	user = insert(:user)

	assert Pleroma.Config.get([:markup, :scrub_policy]) == User.html_filter_policy(user)
	end

	test "html_filter_policy returns TwitterText scrubber when rich-text is disabled" do
	user = insert(:user, no_rich_text: true)

	assert Pleroma.HTML.Scrubber.TwitterText == User.html_filter_policy(user)
	end
	end

	describe "caching" do
	test "invalidate_cache works" do
	user = insert(:user)

	User.set_cache(user)
	User.invalidate_cache(user)

	{:ok, nil} = Cachex.get(:user_cache, "ap_id:#{user.ap_id}")
	{:ok, nil} = Cachex.get(:user_cache, "nickname:#{user.nickname}")
	end

	test "User.delete() plugs any possible zombie objects" do
	user = insert(:user)

	{:ok, job} = User.delete(user)
	{:ok, _} = ObanHelpers.perform(job)

	{:ok, cached_user} = Cachex.get(:user_cache, "ap_id:#{user.ap_id}")

	assert cached_user != user

	{:ok, cached_user} = Cachex.get(:user_cache, "nickname:#{user.ap_id}")

	assert cached_user != user
	end
	end

	describe "account_status/1" do
	setup do: clear_config([:instance, :account_activation_required])

	test "return confirmation_pending for unconfirm user" do
	clear_config([:instance, :account_activation_required], true)
	user = insert(:user, is_confirmed: false)
	assert User.account_status(user) == :confirmation_pending
	end

	test "return active for confirmed user" do
	clear_config([:instance, :account_activation_required], true)
	user = insert(:user, is_confirmed: true)
	assert User.account_status(user) == :active
	end

	test "return active for remote user" do
	user = insert(:user, local: false)
	assert User.account_status(user) == :active
	end

	test "returns :password_reset_pending for user with reset password" do
	user = insert(:user, password_reset_pending: true)
	assert User.account_status(user) == :password_reset_pending
	end

	test "returns :deactivated for deactivated user" do
	user = insert(:user, local: true, is_confirmed: true, is_active: false)
	assert User.account_status(user) == :deactivated
	end

	test "returns :approval_pending for unapproved user" do
	user = insert(:user, local: true, is_approved: false)
	assert User.account_status(user) == :approval_pending

	user = insert(:user, local: true, is_confirmed: false, is_approved: false)
	assert User.account_status(user) == :approval_pending
	end
	end

	describe "superuser?/1" do
	test "returns false for unprivileged users" do
	user = insert(:user, local: true)

	refute User.superuser?(user)
	end

	test "returns false for remote users" do
	user = insert(:user, local: false)
	remote_admin_user = insert(:user, local: false, is_admin: true)

	refute User.superuser?(user)
	refute User.superuser?(remote_admin_user)
	end

	test "returns true for local moderators" do
	user = insert(:user, local: true, is_moderator: true)

	assert User.superuser?(user)
	end

	test "returns true for local admins" do
	user = insert(:user, local: true, is_admin: true)

	assert User.superuser?(user)
	end
	end

	describe "invisible?/1" do
	test "returns true for an invisible user" do
	user = insert(:user, local: true, invisible: true)

	assert User.invisible?(user)
	end

	test "returns false for a non-invisible user" do
	user = insert(:user, local: true)

	refute User.invisible?(user)
	end
	end

	describe "visible_for/2" do
	test "returns true when the account is itself" do
	user = insert(:user, local: true)

	assert User.visible_for(user, user) == :visible
	end

	test "returns false when the account is unconfirmed and confirmation is required" do
	clear_config([:instance, :account_activation_required], true)

	user = insert(:user, local: true, is_confirmed: false)
	other_user = insert(:user, local: true)

	refute User.visible_for(user, other_user) == :visible
	end

	test "returns true when the account is unconfirmed and confirmation is required but the account is remote" do
	clear_config([:instance, :account_activation_required], true)

	user = insert(:user, local: false, is_confirmed: false)
	other_user = insert(:user, local: true)

	assert User.visible_for(user, other_user) == :visible
	end

	test "returns true when the account is unconfirmed and being viewed by a privileged account (confirmation required)" do
	clear_config([:instance, :account_activation_required], true)

	user = insert(:user, local: true, is_confirmed: false)
	other_user = insert(:user, local: true, is_admin: true)

	assert User.visible_for(user, other_user) == :visible
	end
	end

	describe "parse_bio/2" do
	test "preserves hosts in user links text" do
	remote_user = insert(:user, local: false, nickname: "nick@domain.com")
	user = insert(:user)
	bio = "A.k.a. @nick@domain.com"

	expected_text =
	~s(A.k.a. <span class="h-card"><a class="u-url mention" data-user="#{remote_user.id}" href="#{
	remote_user.ap_id
	}" rel="ugc">@<span>nick@domain.com</span></a></span>)

	assert expected_text == User.parse_bio(bio, user)
	end

	test "Adds rel=me on linkbacked urls" do
	user = insert(:user, ap_id: "https://social.example.org/users/lain")

	bio = "http://example.com/rel_me/null"
	expected_text = "<a href=\"#{bio}\">#{bio}</a>"
	assert expected_text == User.parse_bio(bio, user)

	bio = "http://example.com/rel_me/link"
	expected_text = "<a href=\"#{bio}\" rel=\"me\">#{bio}</a>"
	assert expected_text == User.parse_bio(bio, user)

	bio = "http://example.com/rel_me/anchor"
	expected_text = "<a href=\"#{bio}\" rel=\"me\">#{bio}</a>"
	assert expected_text == User.parse_bio(bio, user)
	end
	end

	test "follower count is updated when a follower is blocked" do
	user = insert(:user)
	follower = insert(:user)
	follower2 = insert(:user)
	follower3 = insert(:user)

	{:ok, follower, user} = User.follow(follower, user)
	{:ok, _follower2, _user} = User.follow(follower2, user)
	{:ok, _follower3, _user} = User.follow(follower3, user)

	{:ok, _user_relationship} = User.block(user, follower)
	user = refresh_record(user)

	assert user.follower_count == 2
	end

	describe "list_inactive_users_query/1" do
	defp days_ago(days) do
	NaiveDateTime.add(
	NaiveDateTime.truncate(NaiveDateTime.utc_now(), :second),
	-days * 60 * 60 * 24,
	:second
	)
	end

	test "Users are inactive by default" do
	total = 10

	users =
	Enum.map(1..total, fn _ ->
	insert(:user, last_digest_emailed_at: days_ago(20), is_active: true)
	end)

	inactive_users_ids =
	Pleroma.User.list_inactive_users_query()
	\|> Pleroma.Repo.all()
	\|> Enum.map(& &1.id)

	Enum.each(users, fn user ->
	assert user.id in inactive_users_ids
	end)
	end

	test "Only includes users who has no recent activity" do
	total = 10

	users =
	Enum.map(1..total, fn _ ->
	insert(:user, last_digest_emailed_at: days_ago(20), is_active: true)
	end)

	{inactive, active} = Enum.split(users, trunc(total / 2))

	Enum.map(active, fn user ->
	to = Enum.random(users -- [user])

	{:ok, _} =
	CommonAPI.post(user, %{
	status: "hey @#{to.nickname}"
	})
	end)

	inactive_users_ids =
	Pleroma.User.list_inactive_users_query()
	\|> Pleroma.Repo.all()
	\|> Enum.map(& &1.id)

	Enum.each(active, fn user ->
	refute user.id in inactive_users_ids
	end)

	Enum.each(inactive, fn user ->
	assert user.id in inactive_users_ids
	end)
	end

	test "Only includes users with no read notifications" do
	total = 10

	users =
	Enum.map(1..total, fn _ ->
	insert(:user, last_digest_emailed_at: days_ago(20), is_active: true)
	end)

	[sender \| recipients] = users
	{inactive, active} = Enum.split(recipients, trunc(total / 2))

	Enum.each(recipients, fn to ->
	{:ok, _} =
	CommonAPI.post(sender, %{
	status: "hey @#{to.nickname}"
	})

	{:ok, _} =
	CommonAPI.post(sender, %{
	status: "hey again @#{to.nickname}"
	})
	end)

	Enum.each(active, fn user ->
	[n1, _n2] = Pleroma.Notification.for_user(user)
	{:ok, _} = Pleroma.Notification.read_one(user, n1.id)
	end)

	inactive_users_ids =
	Pleroma.User.list_inactive_users_query()
	\|> Pleroma.Repo.all()
	\|> Enum.map(& &1.id)

	Enum.each(active, fn user ->
	refute user.id in inactive_users_ids
	end)

	Enum.each(inactive, fn user ->
	assert user.id in inactive_users_ids
	end)
	end
	end

	describe "ensure_keys_present" do
	test "it creates keys for a user and stores them in info" do
	user = insert(:user)
	refute is_binary(user.keys)
	{:ok, user} = User.ensure_keys_present(user)
	assert is_binary(user.keys)
	end

	test "it doesn't create keys if there already are some" do
	user = insert(:user, keys: "xxx")
	{:ok, user} = User.ensure_keys_present(user)
	assert user.keys == "xxx"
	end
	end

	describe "get_ap_ids_by_nicknames" do
	test "it returns a list of AP ids for a given set of nicknames" do
	user = insert(:user)
	user_two = insert(:user)

	ap_ids = User.get_ap_ids_by_nicknames([user.nickname, user_two.nickname, "nonexistent"])
	assert length(ap_ids) == 2
	assert user.ap_id in ap_ids
	assert user_two.ap_id in ap_ids
	end
	end

	describe "sync followers count" do
	setup do
	user1 = insert(:user, local: false, ap_id: "http://localhost:4001/users/masto_closed")
	user2 = insert(:user, local: false, ap_id: "http://localhost:4001/users/fuser2")
	insert(:user, local: true)
	insert(:user, local: false, is_active: false)
	{:ok, user1: user1, user2: user2}
	end

	test "external_users/1 external active users with limit", %{user1: user1, user2: user2} do
	[fdb_user1] = User.external_users(limit: 1)

	assert fdb_user1.ap_id
	assert fdb_user1.ap_id == user1.ap_id
	assert fdb_user1.id == user1.id

	[fdb_user2] = User.external_users(max_id: fdb_user1.id, limit: 1)

	assert fdb_user2.ap_id
	assert fdb_user2.ap_id == user2.ap_id
	assert fdb_user2.id == user2.id

	assert User.external_users(max_id: fdb_user2.id, limit: 1) == []
	end
	end

	describe "is_internal_user?/1" do
	test "non-internal user returns false" do
	user = insert(:user)
	refute User.is_internal_user?(user)
	end

	test "user with no nickname returns true" do
	user = insert(:user, %{nickname: nil})
	assert User.is_internal_user?(user)
	end

	test "user with internal-prefixed nickname returns true" do
	user = insert(:user, %{nickname: "internal.test"})
	assert User.is_internal_user?(user)
	end
	end

	describe "update_and_set_cache/1" do
	test "returns error when user is stale instead Ecto.StaleEntryError" do
	user = insert(:user)

	changeset = Ecto.Changeset.change(user, bio: "test")

	Repo.delete(user)

	assert {:error, %Ecto.Changeset{errors: [id: {"is stale", [stale: true]}], valid?: false}} =
	User.update_and_set_cache(changeset)
	end

	test "performs update cache if user updated" do
	user = insert(:user)
	assert {:ok, nil} = Cachex.get(:user_cache, "ap_id:#{user.ap_id}")

	changeset = Ecto.Changeset.change(user, bio: "test-bio")

	assert {:ok, %User{bio: "test-bio"} = user} = User.update_and_set_cache(changeset)
	assert {:ok, user} = Cachex.get(:user_cache, "ap_id:#{user.ap_id}")
	assert %User{bio: "test-bio"} = User.get_cached_by_ap_id(user.ap_id)
	end
	end

	describe "following/followers synchronization" do
	setup do: clear_config([:instance, :external_user_synchronization])

	test "updates the counters normally on following/getting a follow when disabled" do
	clear_config([:instance, :external_user_synchronization], false)
	user = insert(:user)

	other_user =
	insert(:user,
	local: false,
	follower_address: "http://localhost:4001/users/masto_closed/followers",
	following_address: "http://localhost:4001/users/masto_closed/following",
	ap_enabled: true
	)

	assert other_user.following_count == 0
	assert other_user.follower_count == 0

	{:ok, user, other_user} = Pleroma.User.follow(user, other_user)

	assert user.following_count == 1
	assert other_user.follower_count == 1
	end

	test "syncronizes the counters with the remote instance for the followed when enabled" do
	clear_config([:instance, :external_user_synchronization], false)

	user = insert(:user)

	other_user =
	insert(:user,
	local: false,
	follower_address: "http://localhost:4001/users/masto_closed/followers",
	following_address: "http://localhost:4001/users/masto_closed/following",
	ap_enabled: true
	)

	assert other_user.following_count == 0
	assert other_user.follower_count == 0

	clear_config([:instance, :external_user_synchronization], true)
	{:ok, _user, other_user} = User.follow(user, other_user)

	assert other_user.follower_count == 437
	end

	test "syncronizes the counters with the remote instance for the follower when enabled" do
	clear_config([:instance, :external_user_synchronization], false)

	user = insert(:user)

	other_user =
	insert(:user,
	local: false,
	follower_address: "http://localhost:4001/users/masto_closed/followers",
	following_address: "http://localhost:4001/users/masto_closed/following",
	ap_enabled: true
	)

	assert other_user.following_count == 0
	assert other_user.follower_count == 0

	clear_config([:instance, :external_user_synchronization], true)
	{:ok, other_user, _user} = User.follow(other_user, user)

	assert other_user.following_count == 152
	end
	end

	describe "change_email/2" do
	setup do
	[user: insert(:user)]
	end

	test "blank email returns error", %{user: user} do
	assert {:error, %{errors: [email: {"can't be blank", _}]}} = User.change_email(user, "")
	assert {:error, %{errors: [email: {"can't be blank", _}]}} = User.change_email(user, nil)
	end

	test "non unique email returns error", %{user: user} do
	%{email: email} = insert(:user)

	assert {:error, %{errors: [email: {"has already been taken", _}]}} =
	User.change_email(user, email)
	end

	test "invalid email returns error", %{user: user} do
	assert {:error, %{errors: [email: {"has invalid format", _}]}} =
	User.change_email(user, "cofe")
	end

	test "changes email", %{user: user} do
	assert {:ok, %User{email: "cofe@cofe.party"}} = User.change_email(user, "cofe@cofe.party")
	end
	end

	describe "get_cached_by_nickname_or_id" do
	setup do
	local_user = insert(:user)
	remote_user = insert(:user, nickname: "nickname@example.com", local: false)

	[local_user: local_user, remote_user: remote_user]
	end

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

	test "allows getting remote users by id no matter what :limit_to_local_content is set to", %{
	remote_user: remote_user
	} do
	clear_config([:instance, :limit_to_local_content], false)
	assert %User{} = User.get_cached_by_nickname_or_id(remote_user.id)

	clear_config([:instance, :limit_to_local_content], true)
	assert %User{} = User.get_cached_by_nickname_or_id(remote_user.id)

	clear_config([:instance, :limit_to_local_content], :unauthenticated)
	assert %User{} = User.get_cached_by_nickname_or_id(remote_user.id)
	end

	test "disallows getting remote users by nickname without authentication when :limit_to_local_content is set to :unauthenticated",
	%{remote_user: remote_user} do
	clear_config([:instance, :limit_to_local_content], :unauthenticated)
	assert nil == User.get_cached_by_nickname_or_id(remote_user.nickname)
	end

	test "allows getting remote users by nickname with authentication when :limit_to_local_content is set to :unauthenticated",
	%{remote_user: remote_user, local_user: local_user} do
	clear_config([:instance, :limit_to_local_content], :unauthenticated)
	assert %User{} = User.get_cached_by_nickname_or_id(remote_user.nickname, for: local_user)
	end

	test "disallows getting remote users by nickname when :limit_to_local_content is set to true",
	%{remote_user: remote_user} do
	clear_config([:instance, :limit_to_local_content], true)
	assert nil == User.get_cached_by_nickname_or_id(remote_user.nickname)
	end

	test "allows getting local users by nickname no matter what :limit_to_local_content is set to",
	%{local_user: local_user} do
	clear_config([:instance, :limit_to_local_content], false)
	assert %User{} = User.get_cached_by_nickname_or_id(local_user.nickname)

	clear_config([:instance, :limit_to_local_content], true)
	assert %User{} = User.get_cached_by_nickname_or_id(local_user.nickname)

	clear_config([:instance, :limit_to_local_content], :unauthenticated)
	assert %User{} = User.get_cached_by_nickname_or_id(local_user.nickname)
	end
	end

	describe "update_email_notifications/2" do
	setup do
	user = insert(:user, email_notifications: %{"digest" => true})

	{:ok, user: user}
	end

	test "Notifications are updated", %{user: user} do
	true = user.email_notifications["digest"]
	assert {:ok, result} = User.update_email_notifications(user, %{"digest" => false})
	assert result.email_notifications["digest"] == false
	end
	end

	describe "local_nickname/1" do
	test "returns nickname without host" do
	assert User.local_nickname("@mentioned") == "mentioned"
	assert User.local_nickname("a_local_nickname") == "a_local_nickname"
	assert User.local_nickname("nickname@host.com") == "nickname"
	end
	end

	describe "full_nickname/1" do
	test "returns fully qualified nickname for local and remote users" do
	local_user =
	insert(:user, nickname: "local_user", ap_id: "https://somehost.com/users/local_user")

	remote_user = insert(:user, nickname: "remote@host.com", local: false)

	assert User.full_nickname(local_user) == "local_user@somehost.com"
	assert User.full_nickname(remote_user) == "remote@host.com"
	end

	test "strips leading @ from mentions" do
	assert User.full_nickname("@mentioned") == "mentioned"
	assert User.full_nickname("@nickname@host.com") == "nickname@host.com"
	end

	test "does not modify nicknames" do
	assert User.full_nickname("nickname") == "nickname"
	assert User.full_nickname("nickname@host.com") == "nickname@host.com"
	end
	end

	test "avatar fallback" do
	user = insert(:user)
	assert User.avatar_url(user) =~ "/images/avi.png"

	clear_config([:assets, :default_user_avatar], "avatar.png")

	user = User.get_cached_by_nickname_or_id(user.nickname)
	assert User.avatar_url(user) =~ "avatar.png"

	assert User.avatar_url(user, no_default: true) == nil
	end

	test "get_host/1" do
	user = insert(:user, ap_id: "https://lain.com/users/lain", nickname: "lain")
	assert User.get_host(user) == "lain.com"
	end

	test "update_last_active_at/1" do
	user = insert(:user)
	assert is_nil(user.last_active_at)

	test_started_at = NaiveDateTime.utc_now() \|> NaiveDateTime.truncate(:second)

	assert {:ok, user} = User.update_last_active_at(user)

	assert user.last_active_at >= test_started_at
	assert user.last_active_at <= NaiveDateTime.truncate(NaiveDateTime.utc_now(), :second)

	last_active_at =
	NaiveDateTime.utc_now()
	\|> NaiveDateTime.add(-:timer.hours(24), :millisecond)
	\|> NaiveDateTime.truncate(:second)

	assert {:ok, user} =
	user
	\|> cast(%{last_active_at: last_active_at}, [:last_active_at])
	\|> User.update_and_set_cache()

	assert user.last_active_at == last_active_at
	assert {:ok, user} = User.update_last_active_at(user)
	assert user.last_active_at >= test_started_at
	assert user.last_active_at <= NaiveDateTime.truncate(NaiveDateTime.utc_now(), :second)
	end

	test "active_user_count/1" do
	insert(:user)
	insert(:user, %{local: false})
	insert(:user, %{last_active_at: Timex.shift(NaiveDateTime.utc_now(), weeks: -5)})
	insert(:user, %{last_active_at: Timex.shift(NaiveDateTime.utc_now(), weeks: -3)})
	insert(:user, %{last_active_at: NaiveDateTime.utc_now()})

	assert User.active_user_count() == 2
	assert User.active_user_count(6) == 3
	assert User.active_user_count(1) == 1
	end
	end

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