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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 60e74758f..eaaaba775 100644
	--- a/lib/pleroma/web/activity_pub/activity_pub.ex
	+++ b/lib/pleroma/web/activity_pub/activity_pub.ex
	@@ -1,1552 +1,1562 @@
	# Pleroma: A lightweight social networking server
	# Copyright © 2017-2020 Pleroma Authors <https://pleroma.social/>
	# SPDX-License-Identifier: AGPL-3.0-only

	defmodule Pleroma.Web.ActivityPub.ActivityPub do
	alias Pleroma.Activity
	alias Pleroma.Activity.Ir.Topics
	alias Pleroma.Config
	alias Pleroma.Constants
	alias Pleroma.Conversation
	alias Pleroma.Conversation.Participation
	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.ActivityPub.Utils
	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

	# For Announce activities, we filter the recipients based on following status for any actors
	# that match actual users. See issue #164 for more information about why this is necessary.
	defp get_recipients(%{"type" => "Announce"} = data) do
	to = Map.get(data, "to", [])
	cc = Map.get(data, "cc", [])
	bcc = Map.get(data, "bcc", [])
	actor = User.get_cached_by_ap_id(data["actor"])

	recipients =
	Enum.filter(Enum.concat([to, cc, bcc]), fn recipient ->
	case User.get_cached_by_ap_id(recipient) do
	nil -> true
	user -> User.following?(user, actor)
	end
	end)

	{recipients, to, cc}
	end

	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(actor) do
	if not is_nil(actor) do
	with user <- User.get_cached_by_ap_id(actor),
	false <- user.deactivated do
	true
	else
	_e -> false
	end
	else
	true
	end
	end

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

	defp check_remote_limit(_), do: true

	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

	def 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

	def increase_replies_count_if_reply(_create_data), do: :noop

	def decrease_replies_count_if_reply(%Object{
	data: %{"inReplyTo" => reply_ap_id} = object
	}) do
	if is_public?(object) do
	Object.decrease_replies_count(reply_ap_id)
	end
	end

	def decrease_replies_count_if_reply(_object), do: :noop

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

	def increase_poll_votes_if_vote(_create_data), do: :noop

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

	# Splice in the child object if we have one.
	activity =
	if not is_nil(object) do
	Map.put(activity, :object, object)
	else
	activity
	end

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

	Notification.create_notifications(activity)

	conversation = create_or_bump_conversation(activity, map["actor"])
	participations = get_participations(conversation)
	stream_out(activity)
	stream_out_participations(participations)
	{:ok, activity}
	else
	%Activity{} = activity ->
	{:ok, activity}

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

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

	error ->
	{:error, error}
	end
	end

	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),
	Participation.mark_as_read(user, conversation) do
	{:ok, conversation}
	end
	end

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

	defp get_participations(_), do: []

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

	Streamer.stream("participation", participations)
	end

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

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

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

	def stream_out(_activity) do
	:noop
	end

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

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

	with create_data <-
	make_create_data(
	%{to: to, actor: actor, published: published, context: context, object: object},
	additional
	),
	{:ok, activity} <- insert(create_data, local, fake),
	{:fake, false, activity} <- {:fake, fake, activity},
	_ <- increase_replies_count_if_reply(create_data),
	_ <- increase_poll_votes_if_vote(create_data),
	{:quick_insert, false, activity} <- {:quick_insert, quick_insert?, activity},
	{:ok, _actor} <- increase_note_count_if_public(actor, activity),
	: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]

	with listen_data <-
	make_listen_data(
	%{to: to, actor: actor, published: published, context: context, object: object},
	additional
	),
	{:ok, activity} <- insert(listen_data, local),
	:ok <- maybe_federate(activity) do
	{:ok, activity}
	end
	end

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

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

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

	with data <-
	%{"to" => to, "type" => type, "actor" => actor.ap_id, "object" => object}
	\|> Utils.maybe_put("id", activity_id),
	{:ok, activity} <- insert(data, local),
	:ok <- maybe_federate(activity) do
	{:ok, activity}
	end
	end

	@spec update(map()) :: {:ok, Activity.t()} \| {:error, any()}
	def update(%{to: to, cc: cc, actor: actor, object: object} = params) do
	local = !(params[:local] == false)
	activity_id = params[:activity_id]

	with data <- %{
	"to" => to,
	"cc" => cc,
	"type" => "Update",
	"actor" => actor,
	"object" => object
	},
	data <- Utils.maybe_put(data, "id", activity_id),
	{:ok, activity} <- insert(data, local),
	:ok <- maybe_federate(activity) do
	{:ok, activity}
	end
	end

	@spec react_with_emoji(User.t(), Object.t(), String.t(), keyword()) ::
	{:ok, Activity.t(), Object.t()} \| {:error, any()}
	def react_with_emoji(user, object, emoji, options \\ []) do
	with {:ok, result} <-
	Repo.transaction(fn -> do_react_with_emoji(user, object, emoji, options) end) do
	result
	end
	end

	defp do_react_with_emoji(user, object, emoji, options) do
	with local <- Keyword.get(options, :local, true),
	activity_id <- Keyword.get(options, :activity_id, nil),
	true <- Pleroma.Emoji.is_unicode_emoji?(emoji),
	reaction_data <- make_emoji_reaction_data(user, object, emoji, activity_id),
	{:ok, activity} <- insert(reaction_data, local),
	{:ok, object} <- add_emoji_reaction_to_object(activity, object),
	:ok <- maybe_federate(activity) do
	{:ok, activity, object}
	else
	false -> {:error, false}
	{:error, error} -> Repo.rollback(error)
	end
	end

	@spec unreact_with_emoji(User.t(), String.t(), keyword()) ::
	{:ok, Activity.t(), Object.t()} \| {:error, any()}
	def unreact_with_emoji(user, reaction_id, options \\ []) do
	with {:ok, result} <-
	Repo.transaction(fn -> do_unreact_with_emoji(user, reaction_id, options) end) do
	result
	end
	end

	defp do_unreact_with_emoji(user, reaction_id, options) do
	with local <- Keyword.get(options, :local, true),
	activity_id <- Keyword.get(options, :activity_id, nil),
	user_ap_id <- user.ap_id,
	%Activity{actor: ^user_ap_id} = reaction_activity <- Activity.get_by_ap_id(reaction_id),
	object <- Object.normalize(reaction_activity),
	unreact_data <- make_undo_data(user, reaction_activity, activity_id),
	{:ok, activity} <- insert(unreact_data, local),
	{:ok, object} <- remove_emoji_reaction_from_object(reaction_activity, object),
	:ok <- maybe_federate(activity) do
	{:ok, activity, object}
	else
	{:error, error} -> Repo.rollback(error)
	end
	end

	# TODO: This is weird, maybe we shouldn't check here if we can make the activity.
	@spec like(User.t(), Object.t(), String.t() \| nil, boolean()) ::
	{:ok, Activity.t(), Object.t()} \| {:error, any()}
	def like(user, object, activity_id \\ nil, local \\ true) do
	with {:ok, result} <- Repo.transaction(fn -> do_like(user, object, activity_id, local) end) do
	result
	end
	end

	defp do_like(
	%User{ap_id: ap_id} = user,
	%Object{data: %{"id" => _}} = object,
	activity_id,
	local
	) do
	with nil <- get_existing_like(ap_id, object),
	like_data <- make_like_data(user, object, activity_id),
	{:ok, activity} <- insert(like_data, local),
	{:ok, object} <- add_like_to_object(activity, object),
	:ok <- maybe_federate(activity) do
	{:ok, activity, object}
	else
	%Activity{} = activity ->
	{:ok, activity, object}

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

	@spec unlike(User.t(), Object.t(), String.t() \| nil, boolean()) ::
	{:ok, Activity.t(), Activity.t(), Object.t()} \| {:ok, Object.t()} \| {:error, any()}
	def unlike(%User{} = actor, %Object{} = object, activity_id \\ nil, local \\ true) do
	with {:ok, result} <-
	Repo.transaction(fn -> do_unlike(actor, object, activity_id, local) end) do
	result
	end
	end

	defp do_unlike(actor, object, activity_id, local) do
	with %Activity{} = like_activity <- get_existing_like(actor.ap_id, object),
	unlike_data <- make_unlike_data(actor, like_activity, activity_id),
	{:ok, unlike_activity} <- insert(unlike_data, local),
	{:ok, _activity} <- Repo.delete(like_activity),
	{:ok, object} <- remove_like_from_object(like_activity, object),
	:ok <- maybe_federate(unlike_activity) do
	{:ok, unlike_activity, like_activity, object}
	else
	nil -> {:ok, object}
	{:error, error} -> Repo.rollback(error)
	end
	end

	@spec announce(User.t(), Object.t(), String.t() \| nil, boolean(), boolean()) ::
	{:ok, Activity.t(), Object.t()} \| {:error, any()}
	def announce(
	%User{ap_id: _} = user,
	%Object{data: %{"id" => _}} = object,
	activity_id \\ nil,
	local \\ true,
	public \\ true
	) do
	with {:ok, result} <-
	Repo.transaction(fn -> do_announce(user, object, activity_id, local, public) end) do
	result
	end
	end

	defp do_announce(user, object, activity_id, local, public) do
	with true <- is_announceable?(object, user, public),
	announce_data <- make_announce_data(user, object, activity_id, public),
	{:ok, activity} <- insert(announce_data, local),
	{:ok, object} <- add_announce_to_object(activity, object),
	:ok <- maybe_federate(activity) do
	{:ok, activity, object}
	else
	false -> {:error, false}
	{:error, error} -> Repo.rollback(error)
	end
	end

	@spec unannounce(User.t(), Object.t(), String.t() \| nil, boolean()) ::
	{:ok, Activity.t(), Object.t()} \| {:ok, Object.t()} \| {:error, any()}
	def unannounce(
	%User{} = actor,
	%Object{} = object,
	activity_id \\ nil,
	local \\ true
	) do
	with {:ok, result} <-
	Repo.transaction(fn -> do_unannounce(actor, object, activity_id, local) end) do
	result
	end
	end

	defp do_unannounce(actor, object, activity_id, local) do
	with %Activity{} = announce_activity <- get_existing_announce(actor.ap_id, object),
	unannounce_data <- make_unannounce_data(actor, announce_activity, activity_id),
	{:ok, unannounce_activity} <- insert(unannounce_data, local),
	:ok <- maybe_federate(unannounce_activity),
	{:ok, _activity} <- Repo.delete(announce_activity),
	{:ok, object} <- remove_announce_from_object(announce_activity, object) do
	{:ok, unannounce_activity, object}
	else
	nil -> {:ok, object}
	{:error, error} -> Repo.rollback(error)
	end
	end

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

	defp do_follow(follower, followed, activity_id, local) do
	with data <- make_follow_data(follower, followed, activity_id),
	{:ok, activity} <- insert(data, local),
	:ok <- maybe_federate(activity),
	_ <- User.set_follow_state_cache(follower.ap_id, followed.ap_id, activity.data["state"]) do
	{:ok, activity}
	else
	{:error, error} -> Repo.rollback(error)
	end
	end

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

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

	@spec delete(User.t() \| Object.t(), keyword()) :: {:ok, User.t() \| Object.t()} \| {:error, any()}
	def delete(entity, options \\ []) do
	with {:ok, result} <- Repo.transaction(fn -> do_delete(entity, options) end) do
	result
	end
	end

	defp do_delete(%User{ap_id: ap_id, follower_address: follower_address} = user, _) do
	with data <- %{
	"to" => [follower_address],
	"type" => "Delete",
	"actor" => ap_id,
	"object" => %{"type" => "Person", "id" => ap_id}
	},
	{:ok, activity} <- insert(data, true, true, true),
	:ok <- maybe_federate(activity) do
	{:ok, user}
	end
	end

	defp do_delete(%Object{data: %{"id" => id, "actor" => actor}} = object, options) do
	local = Keyword.get(options, :local, true)
	activity_id = Keyword.get(options, :activity_id, nil)
	actor = Keyword.get(options, :actor, actor)

	user = User.get_cached_by_ap_id(actor)
	to = (object.data["to"] \|\| []) ++ (object.data["cc"] \|\| [])

	with create_activity <- Activity.get_create_by_object_ap_id(id),
	data <-
	%{
	"type" => "Delete",
	"actor" => actor,
	"object" => id,
	"to" => to,
	"deleted_activity_id" => create_activity && create_activity.id
	}
	\|> maybe_put("id", activity_id),
	{:ok, activity} <- insert(data, local, false),
	{:ok, object, _create_activity} <- Object.delete(object),
	stream_out_participations(object, user),
	_ <- decrease_replies_count_if_reply(object),
	{:ok, _actor} <- decrease_note_count_if_public(user, object),
	:ok <- maybe_federate(activity) do
	{:ok, activity}
	else
	{:error, error} ->
	Repo.rollback(error)
	end
	end

	+ defp do_delete(%Object{data: %{"type" => "Tombstone", "id" => ap_id}}, _) do
	+ activity =
	+ ap_id
	+ \|> Activity.Queries.by_object_id()
	+ \|> Activity.Queries.by_type("Delete")
	+ \|> Repo.one()
	+
	+ {:ok, activity}
	+ end
	+
	@spec block(User.t(), User.t(), String.t() \| nil, boolean()) ::
	{:ok, Activity.t()} \| {:error, any()}
	def block(blocker, blocked, activity_id \\ nil, local \\ true) do
	with {:ok, result} <-
	Repo.transaction(fn -> do_block(blocker, blocked, activity_id, local) end) do
	result
	end
	end

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

	if unfollow_blocked do
	follow_activity = fetch_latest_follow(blocker, blocked)
	if follow_activity, do: unfollow(blocker, blocked, nil, local)
	end

	with true <- outgoing_blocks,
	block_data <- make_block_data(blocker, blocked, activity_id),
	{:ok, activity} <- insert(block_data, local),
	:ok <- maybe_federate(activity) do
	{:ok, activity}
	else
	{:error, error} -> Repo.rollback(error)
	end
	end

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

	defp do_unblock(blocker, blocked, activity_id, local) do
	with %Activity{} = block_activity <- fetch_latest_block(blocker, blocked),
	unblock_data <- make_unblock_data(blocker, blocked, block_activity, activity_id),
	{:ok, activity} <- insert(unblock_data, local),
	: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(
	%{
	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),
	:ok <- maybe_federate(stripped_activity) do
	User.all_superusers()
	\|> Enum.filter(fn user -> not is_nil(user.email) end)
	\|> Enum.each(fn superuser ->
	superuser
	\|> Pleroma.Emails.AdminEmail.report(actor, account, statuses, content)
	\|> Pleroma.Emails.Mailer.deliver_async()
	end)

	{:ok, activity}
	end
	end

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

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

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

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

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

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

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

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

	[Constants.as_public()]
	\|> fetch_activities_query(opts)
	\|> restrict_unlisted()
	\|> Pagination.fetch_paginated(opts, 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
	query =
	from(
	a in query,
	where:
	fragment(
	"activity_visibility(?, ?, ?) = ANY (?)",
	a.actor,
	a.recipients,
	a.data,
	^visibility
	)
	)

	query
	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 @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)

	recipients =
	user_activities_recipients(%{
	"godmode" => params["godmode"],
	"reading_user" => reading_user
	})

	fetch_activities(recipients, params)
	\|> Enum.reverse()
	end

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

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

	recipients =
	user_activities_recipients(%{
	"godmode" => params["godmode"],
	"reading_user" => reading_user
	})

	fetch_activities(recipients, params)
	\|> Enum.reverse()
	end

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

	recipients =
	user_activities_recipients(%{
	"godmode" => params["godmode"],
	"reading_user" => reading_user
	})

	fetch_activities(recipients, params, :offset)
	\|> Enum.reverse()
	end

	defp user_activities_recipients(%{"godmode" => true}) do
	[]
	end

	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_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})
	when is_list(tag_reject) and 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})
	when is_list(tag_all) and tag_all != [] do
	from(
	[_activity, object] in query,
	where: fragment("(?)->'tag' \\?& (?)", object.data, ^tag_all)
	)
	end

	defp restrict_tag_all(query, _), do: query

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

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

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

	defp restrict_tag(query, _), do: query

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

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

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

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

	defp restrict_local(query, _), do: query

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

	defp restrict_actor(query, _), do: query

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

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

	defp restrict_type(query, _), do: query

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

	defp restrict_state(query, _), do: query

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

	defp restrict_favorited_by(query, _), do: query

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

	defp restrict_media(query, %{"only_media" => val}) when val == "true" or val == "1" do
	from(
	[_activity, object] in query,
	where: fragment("not (?)->'attachment' = (?)", object.data, ^[])
	)
	end

	defp restrict_media(query, _), do: query

	defp restrict_replies(query, %{"exclude_replies" => val}) when val == "true" or val == "1" do
	from(
	[_activity, object] in query,
	where: fragment("?->>'inReplyTo' is null", object.data)
	)
	end

	defp restrict_replies(query, _), do: query

	defp restrict_reblogs(query, %{"exclude_reblogs" => val}) when val == "true" or val == "1" do
	from(activity in query, where: fragment("?->>'type' != 'Announce'", activity.data))
	end

	defp restrict_reblogs(query, _), do: query

	defp restrict_muted(query, %{"with_muted" => val}) when val in [true, "true", "1"], do: query

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

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

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

	defp restrict_muted(query, _), do: query

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

	following_ap_ids = User.get_friends_ap_ids(user)

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

	from(
	[activity, object: o] in query,
	where: fragment("not (? = ANY(?))", activity.actor, ^blocked_ap_ids),
	where: fragment("not (? && ?)", activity.recipients, ^blocked_ap_ids),
	where:
	fragment(
	"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) do
	from(
	activity in query,
	where:
	fragment(
	"not (coalesce(?->'cc', '{}'::jsonb) \\?\| ?)",
	activity.data,
	^[Constants.as_public()]
	)
	)
	end

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

	defp restrict_pinned(query, _), do: query

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

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

	defp restrict_muted_reblogs(query, _), do: query

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

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

	defp restrict_instance(query, _), do: query

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

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

	defp exclude_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 =
	ap_id_relationships ++
	if opts["blocking_user"] && opts["blocking_user"] == source_user do
	[:block]
	else
	[]
	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_tag(opts)
	\|> restrict_tag_reject(opts)
	\|> restrict_tag_all(opts)
	\|> restrict_since(opts)
	\|> restrict_local(opts)
	\|> restrict_actor(opts)
	\|> restrict_type(opts)
	\|> restrict_state(opts)
	\|> restrict_favorited_by(opts)
	\|> restrict_blocked(restrict_blocked_opts)
	\|> restrict_muted(restrict_muted_opts)
	\|> restrict_media(opts)
	\|> restrict_visibility(opts)
	\|> restrict_thread_visibility(opts, config)
	\|> restrict_replies(opts)
	\|> restrict_reblogs(opts)
	\|> restrict_pinned(opts)
	\|> restrict_muted_reblogs(restrict_muted_reblogs_opts)
	\|> restrict_instance(opts)
	\|> Activity.restrict_deactivated_users()
	\|> exclude_poll_votes(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})
	\|> order_by([like, _, _], desc: like.id)
	\|> Pagination.fetch_paginated(
	Map.merge(params, %{"skip_order" => true}),
	pagination,
	:object_activity
	)
	end

	defp maybe_update_cc(activities, list_memberships, %User{ap_id: user_ap_id})
	when is_list(list_memberships) and length(list_memberships) > 0 do
	Enum.map(activities, fn
	%{data: %{"bcc" => bcc}} = activity when is_list(bcc) and length(bcc) > 0 ->
	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

	def 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 =
	if opts[:actor] do
	Map.put(data, "actor", opts[:actor])
	else
	data
	end

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

	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)

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

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

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

	{:ok, user_data}
	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

	defp maybe_update_follow_information(data) do
	with {:enabled, true} <- {:enabled, Config.get([:instance, :external_user_synchronization])},
	{:ok, info} <- fetch_follow_information_for_user(data) do
	info = Map.merge(data[:info] \|\| %{}, info)
	Map.put(data, :info, info)
	else
	{:enabled, false} ->
	data

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

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

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

	def make_user_from_ap_id(ap_id) do
	if _user = User.get_cached_by_ap_id(ap_id) do
	Transmogrifier.upgrade_user_from_ap_id(ap_id)
	else
	with {:ok, data} <- fetch_and_prepare_user_from_ap_id(ap_id) do
	User.insert_or_update_user(data)
	else
	e -> {:error, e}
	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
	def 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/test/web/activity_pub/activity_pub_test.exs b/test/web/activity_pub/activity_pub_test.exs
	index 3dd3dd04d..433859dab 100644
	--- a/test/web/activity_pub/activity_pub_test.exs
	+++ b/test/web/activity_pub/activity_pub_test.exs
	@@ -1,1973 +1,1979 @@
	# Pleroma: A lightweight social networking server
	# Copyright © 2017-2020 Pleroma Authors <https://pleroma.social/>
	# SPDX-License-Identifier: AGPL-3.0-only

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

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

	import Pleroma.Factory
	import Tesla.Mock
	import Mock

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

	clear_config([:instance, :federating])

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

	assert activities == [direct_activity]

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

	assert activities == [unlisted_activity]

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

	assert activities == [private_activity]

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

	assert activities == [public_activity]

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

	assert activities == [public_activity, private_activity]
	end
	end

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

	assert activity.id == new_activity.id
	end

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

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

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

	given_id = "bla"

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

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

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

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

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

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

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

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

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

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

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

	assert activity.actor == user.ap_id

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

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

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

	assert length(timeline) == 3
	end
	end

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

	{:ok, _user_relationship} = User.block(user, %{ap_id: activity_three.data["actor"]})
	{:ok, _announce, %{data: %{"id" => id}}} = CommonAPI.repeat(activity_three.id, booster)
	%Activity{} = boost_activity = Activity.get_create_by_object_ap_id(id)
	activity_three = Activity.get_by_id(activity_three.id)

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

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

	activities =
	ActivityPub.fetch_activities([], %{"blocking_user" => nil, "skip_preload" => true})

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

	test "doesn't return transitive interactions concerning blocked users" do
	blocker = insert(:user)
	blockee = insert(:user)
	friend = insert(:user)

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

	{:ok, activity_one} = CommonAPI.post(friend, %{"status" => "hey!"})

	{:ok, activity_two} = CommonAPI.post(friend, %{"status" => "hey! @#{blockee.nickname}"})

	{:ok, activity_three} = CommonAPI.post(blockee, %{"status" => "hey! @#{friend.nickname}"})

	{:ok, activity_four} = CommonAPI.post(blockee, %{"status" => "hey! @#{blocker.nickname}"})

	activities = ActivityPub.fetch_activities([], %{"blocking_user" => blocker})

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

	test "doesn't return announce activities concerning blocked users" do
	blocker = insert(:user)
	blockee = insert(:user)
	friend = insert(:user)

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

	{:ok, activity_one} = CommonAPI.post(friend, %{"status" => "hey!"})

	{:ok, activity_two} = CommonAPI.post(blockee, %{"status" => "hey! @#{friend.nickname}"})

	{:ok, activity_three, _} = CommonAPI.repeat(activity_two.id, friend)

	activities =
	ActivityPub.fetch_activities([], %{"blocking_user" => blocker})
	\|> Enum.map(fn act -> act.id end)

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

	test "doesn't return activities from blocked domains" do
	domain = "dogwhistle.zone"
	domain_user = insert(:user, %{ap_id: "https://#{domain}/@pundit"})
	note = insert(:note, %{data: %{"actor" => domain_user.ap_id}})
	activity = insert(:note_activity, %{note: note})
	user = insert(:user)
	{:ok, user} = User.block_domain(user, domain)

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

	refute activity in activities

	followed_user = insert(:user)
	ActivityPub.follow(user, followed_user)
	{:ok, repeat_activity, _} = CommonAPI.repeat(activity.id, followed_user)

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

	refute repeat_activity in activities
	end

	test "does return activities from followed users on blocked domains" do
	domain = "meanies.social"
	domain_user = insert(:user, %{ap_id: "https://#{domain}/@pundit"})
	blocker = insert(:user)

	{:ok, blocker} = User.follow(blocker, domain_user)
	{:ok, blocker} = User.block_domain(blocker, domain)

	assert User.following?(blocker, domain_user)
	assert User.blocks_domain?(blocker, domain_user)
	refute User.blocks?(blocker, domain_user)

	note = insert(:note, %{data: %{"actor" => domain_user.ap_id}})
	activity = insert(:note_activity, %{note: note})

	activities =
	ActivityPub.fetch_activities([], %{"blocking_user" => blocker, "skip_preload" => true})

	assert activity in activities

	# And check that if the guy we DO follow boosts someone else from their domain,
	# that should be hidden
	another_user = insert(:user, %{ap_id: "https://#{domain}/@meanie2"})
	bad_note = insert(:note, %{data: %{"actor" => another_user.ap_id}})
	bad_activity = insert(:note_activity, %{note: bad_note})
	{:ok, repeat_activity, _} = CommonAPI.repeat(bad_activity.id, domain_user)

	activities =
	ActivityPub.fetch_activities([], %{"blocking_user" => blocker, "skip_preload" => true})

	refute repeat_activity in activities
	end

	test "doesn't return muted activities" do
	activity_one = insert(:note_activity)
	activity_two = insert(:note_activity)
	activity_three = insert(:note_activity)
	user = insert(:user)
	booster = insert(:user)

	activity_one_actor = User.get_by_ap_id(activity_one.data["actor"])
	{:ok, _user_relationships} = User.mute(user, activity_one_actor)

	activities =
	ActivityPub.fetch_activities([], %{"muting_user" => user, "skip_preload" => true})

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

	# Calling with 'with_muted' will deliver muted activities, too.
	activities =
	ActivityPub.fetch_activities([], %{
	"muting_user" => user,
	"with_muted" => true,
	"skip_preload" => true
	})

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

	{:ok, _user_mute} = User.unmute(user, activity_one_actor)

	activities =
	ActivityPub.fetch_activities([], %{"muting_user" => user, "skip_preload" => true})

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

	activity_three_actor = User.get_by_ap_id(activity_three.data["actor"])
	{:ok, _user_relationships} = User.mute(user, activity_three_actor)
	{:ok, _announce, %{data: %{"id" => id}}} = CommonAPI.repeat(activity_three.id, booster)
	%Activity{} = boost_activity = Activity.get_create_by_object_ap_id(id)
	activity_three = Activity.get_by_id(activity_three.id)

	activities =
	ActivityPub.fetch_activities([], %{"muting_user" => user, "skip_preload" => true})

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

	activities = ActivityPub.fetch_activities([], %{"muting_user" => nil, "skip_preload" => true})

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

	test "doesn't return thread muted activities" do
	user = insert(:user)
	_activity_one = insert(:note_activity)
	note_two = insert(:note, data: %{"context" => "suya.."})
	activity_two = insert(:note_activity, note: note_two)

	{:ok, _activity_two} = CommonAPI.add_mute(user, activity_two)

	assert [_activity_one] = ActivityPub.fetch_activities([], %{"muting_user" => user})
	end

	test "returns thread muted activities when with_muted is set" do
	user = insert(:user)
	_activity_one = insert(:note_activity)
	note_two = insert(:note, data: %{"context" => "suya.."})
	activity_two = insert(:note_activity, note: note_two)

	{:ok, _activity_two} = CommonAPI.add_mute(user, activity_two)

	assert [_activity_two, _activity_one] =
	ActivityPub.fetch_activities([], %{"muting_user" => user, "with_muted" => true})
	end

	test "does include announces on request" do
	activity_three = insert(:note_activity)
	user = insert(:user)
	booster = insert(:user)

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

	{:ok, announce, _object} = CommonAPI.repeat(activity_three.id, booster)

	[announce_activity] = ActivityPub.fetch_activities([user.ap_id \| User.following(user)])

	assert announce_activity.id == announce.id
	end

	test "excludes reblogs on request" do
	user = insert(:user)
	{:ok, expected_activity} = ActivityBuilder.insert(%{"type" => "Create"}, %{:user => user})
	{:ok, _} = ActivityBuilder.insert(%{"type" => "Announce"}, %{:user => user})

	[activity] = ActivityPub.fetch_user_activities(user, nil, %{"exclude_reblogs" => "true"})

	assert activity == expected_activity
	end

	describe "public fetch activities" do
	test "doesn't retrieve unlisted activities" do
	user = insert(:user)

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

	{:ok, listed_activity} = CommonAPI.post(user, %{"status" => "yeah"})

	[activity] = ActivityPub.fetch_public_activities()

	assert activity == listed_activity
	end

	test "retrieves public activities" do
	_activities = ActivityPub.fetch_public_activities()

	%{public: public} = ActivityBuilder.public_and_non_public()

	activities = ActivityPub.fetch_public_activities()
	assert length(activities) == 1
	assert Enum.at(activities, 0) == public
	end

	test "retrieves a maximum of 20 activities" do
	ActivityBuilder.insert_list(10)
	expected_activities = ActivityBuilder.insert_list(20)

	activities = ActivityPub.fetch_public_activities()

	assert collect_ids(activities) == collect_ids(expected_activities)
	assert length(activities) == 20
	end

	test "retrieves ids starting from a since_id" do
	activities = ActivityBuilder.insert_list(30)
	expected_activities = ActivityBuilder.insert_list(10)
	since_id = List.last(activities).id

	activities = ActivityPub.fetch_public_activities(%{"since_id" => since_id})

	assert collect_ids(activities) == collect_ids(expected_activities)
	assert length(activities) == 10
	end

	test "retrieves ids up to max_id" do
	ActivityBuilder.insert_list(10)
	expected_activities = ActivityBuilder.insert_list(20)

	%{id: max_id} =
	10
	\|> ActivityBuilder.insert_list()
	\|> List.first()

	activities = ActivityPub.fetch_public_activities(%{"max_id" => max_id})

	assert length(activities) == 20
	assert collect_ids(activities) == collect_ids(expected_activities)
	end

	test "paginates via offset/limit" do
	_first_part_activities = ActivityBuilder.insert_list(10)
	second_part_activities = ActivityBuilder.insert_list(10)

	later_activities = ActivityBuilder.insert_list(10)

	activities =
	ActivityPub.fetch_public_activities(%{"page" => "2", "page_size" => "20"}, :offset)

	assert length(activities) == 20

	assert collect_ids(activities) ==
	collect_ids(second_part_activities) ++ collect_ids(later_activities)
	end

	test "doesn't return reblogs for users for whom reblogs have been muted" do
	activity = insert(:note_activity)
	user = insert(:user)
	booster = insert(:user)
	{:ok, _reblog_mute} = CommonAPI.hide_reblogs(user, booster)

	{:ok, activity, _} = CommonAPI.repeat(activity.id, booster)

	activities = ActivityPub.fetch_activities([], %{"muting_user" => user})

	refute Enum.any?(activities, fn %{id: id} -> id == activity.id end)
	end

	test "returns reblogs for users for whom reblogs have not been muted" do
	activity = insert(:note_activity)
	user = insert(:user)
	booster = insert(:user)
	{:ok, _reblog_mute} = CommonAPI.hide_reblogs(user, booster)
	{:ok, _reblog_mute} = CommonAPI.show_reblogs(user, booster)

	{:ok, activity, _} = CommonAPI.repeat(activity.id, booster)

	activities = ActivityPub.fetch_activities([], %{"muting_user" => user})

	assert Enum.any?(activities, fn %{id: id} -> id == activity.id end)
	end
	end

	describe "react to an object" do
	test_with_mock "sends an activity to federation", Federator, [:passthrough], [] do
	Config.put([:instance, :federating], true)
	user = insert(:user)
	reactor = insert(:user)
	{:ok, activity} = CommonAPI.post(user, %{"status" => "YASSSS queen slay"})
	assert object = Object.normalize(activity)

	{:ok, reaction_activity, _object} = ActivityPub.react_with_emoji(reactor, object, "🔥")

	assert called(Federator.publish(reaction_activity))
	end

	test "adds an emoji reaction activity to the db" do
	user = insert(:user)
	reactor = insert(:user)
	third_user = insert(:user)
	fourth_user = insert(:user)
	{:ok, activity} = CommonAPI.post(user, %{"status" => "YASSSS queen slay"})
	assert object = Object.normalize(activity)

	{:ok, reaction_activity, object} = ActivityPub.react_with_emoji(reactor, object, "🔥")

	assert reaction_activity

	assert reaction_activity.data["actor"] == reactor.ap_id
	assert reaction_activity.data["type"] == "EmojiReact"
	assert reaction_activity.data["content"] == "🔥"
	assert reaction_activity.data["object"] == object.data["id"]
	assert reaction_activity.data["to"] == [User.ap_followers(reactor), activity.data["actor"]]
	assert reaction_activity.data["context"] == object.data["context"]
	assert object.data["reaction_count"] == 1
	assert object.data["reactions"] == [["🔥", [reactor.ap_id]]]

	{:ok, _reaction_activity, object} = ActivityPub.react_with_emoji(third_user, object, "☕")

	assert object.data["reaction_count"] == 2
	assert object.data["reactions"] == [["🔥", [reactor.ap_id]], ["☕", [third_user.ap_id]]]

	{:ok, _reaction_activity, object} = ActivityPub.react_with_emoji(fourth_user, object, "🔥")

	assert object.data["reaction_count"] == 3

	assert object.data["reactions"] == [
	["🔥", [fourth_user.ap_id, reactor.ap_id]],
	["☕", [third_user.ap_id]]
	]
	end

	test "reverts emoji reaction on error" do
	[user, reactor] = insert_list(2, :user)

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

	with_mock(Utils, [:passthrough], maybe_federate: fn _ -> {:error, :reverted} end) do
	assert {:error, :reverted} = ActivityPub.react_with_emoji(reactor, object, "😀")
	end

	object = Object.get_by_ap_id(object.data["id"])
	refute object.data["reaction_count"]
	refute object.data["reactions"]
	end
	end

	describe "unreacting to an object" do
	test_with_mock "sends an activity to federation", Federator, [:passthrough], [] do
	Config.put([:instance, :federating], true)
	user = insert(:user)
	reactor = insert(:user)
	{:ok, activity} = CommonAPI.post(user, %{"status" => "YASSSS queen slay"})
	assert object = Object.normalize(activity)

	{:ok, reaction_activity, _object} = ActivityPub.react_with_emoji(reactor, object, "🔥")

	assert called(Federator.publish(reaction_activity))

	{:ok, unreaction_activity, _object} =
	ActivityPub.unreact_with_emoji(reactor, reaction_activity.data["id"])

	assert called(Federator.publish(unreaction_activity))
	end

	test "adds an undo activity to the db" do
	user = insert(:user)
	reactor = insert(:user)
	{:ok, activity} = CommonAPI.post(user, %{"status" => "YASSSS queen slay"})
	assert object = Object.normalize(activity)

	{:ok, reaction_activity, _object} = ActivityPub.react_with_emoji(reactor, object, "🔥")

	{:ok, unreaction_activity, _object} =
	ActivityPub.unreact_with_emoji(reactor, reaction_activity.data["id"])

	assert unreaction_activity.actor == reactor.ap_id
	assert unreaction_activity.data["object"] == reaction_activity.data["id"]

	object = Object.get_by_ap_id(object.data["id"])
	assert object.data["reaction_count"] == 0
	assert object.data["reactions"] == []
	end

	test "reverts emoji unreact on error" do
	[user, reactor] = insert_list(2, :user)
	{:ok, activity} = CommonAPI.post(user, %{"status" => "Status"})
	object = Object.normalize(activity)

	{:ok, reaction_activity, _object} = ActivityPub.react_with_emoji(reactor, object, "😀")

	with_mock(Utils, [:passthrough], maybe_federate: fn _ -> {:error, :reverted} end) do
	assert {:error, :reverted} =
	ActivityPub.unreact_with_emoji(reactor, reaction_activity.data["id"])
	end

	object = Object.get_by_ap_id(object.data["id"])

	assert object.data["reaction_count"] == 1
	assert object.data["reactions"] == [["😀", [reactor.ap_id]]]
	end
	end

	describe "like an object" do
	test_with_mock "sends an activity to federation", Federator, [:passthrough], [] do
	Config.put([:instance, :federating], true)
	note_activity = insert(:note_activity)
	assert object_activity = Object.normalize(note_activity)

	user = insert(:user)

	{:ok, like_activity, _object} = ActivityPub.like(user, object_activity)
	assert called(Federator.publish(like_activity))
	end

	test "returns exist activity if object already liked" do
	note_activity = insert(:note_activity)
	assert object_activity = Object.normalize(note_activity)

	user = insert(:user)

	{:ok, like_activity, _object} = ActivityPub.like(user, object_activity)

	{:ok, like_activity_exist, _object} = ActivityPub.like(user, object_activity)
	assert like_activity == like_activity_exist
	end

	test "reverts like activity on error" do
	note_activity = insert(:note_activity)
	object = Object.normalize(note_activity)
	user = insert(:user)

	with_mock(Utils, [:passthrough], maybe_federate: fn _ -> {:error, :reverted} end) do
	assert {:error, :reverted} = ActivityPub.like(user, object)
	end

	assert Repo.aggregate(Activity, :count, :id) == 1
	assert Repo.get(Object, object.id) == object
	end

	test "adds a like activity to the db" do
	note_activity = insert(:note_activity)
	assert object = Object.normalize(note_activity)

	user = insert(:user)
	user_two = insert(:user)

	{:ok, like_activity, object} = ActivityPub.like(user, object)

	assert like_activity.data["actor"] == user.ap_id
	assert like_activity.data["type"] == "Like"
	assert like_activity.data["object"] == object.data["id"]
	assert like_activity.data["to"] == [User.ap_followers(user), note_activity.data["actor"]]
	assert like_activity.data["context"] == object.data["context"]
	assert object.data["like_count"] == 1
	assert object.data["likes"] == [user.ap_id]

	# Just return the original activity if the user already liked it.
	{:ok, same_like_activity, object} = ActivityPub.like(user, object)

	assert like_activity == same_like_activity
	assert object.data["likes"] == [user.ap_id]
	assert object.data["like_count"] == 1

	{:ok, _like_activity, object} = ActivityPub.like(user_two, object)
	assert object.data["like_count"] == 2
	end
	end

	describe "unliking" do
	test_with_mock "sends an activity to federation", Federator, [:passthrough], [] do
	Config.put([:instance, :federating], true)

	note_activity = insert(:note_activity)
	object = Object.normalize(note_activity)
	user = insert(:user)

	{:ok, object} = ActivityPub.unlike(user, object)
	refute called(Federator.publish())

	{:ok, _like_activity, object} = ActivityPub.like(user, object)
	assert object.data["like_count"] == 1

	{:ok, unlike_activity, _, object} = ActivityPub.unlike(user, object)
	assert object.data["like_count"] == 0

	assert called(Federator.publish(unlike_activity))
	end

	test "reverts unliking on error" do
	note_activity = insert(:note_activity)
	object = Object.normalize(note_activity)
	user = insert(:user)

	{:ok, like_activity, object} = ActivityPub.like(user, object)
	assert object.data["like_count"] == 1

	with_mock(Utils, [:passthrough], maybe_federate: fn _ -> {:error, :reverted} end) do
	assert {:error, :reverted} = ActivityPub.unlike(user, object)
	end

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

	test "unliking a previously liked object" do
	note_activity = insert(:note_activity)
	object = Object.normalize(note_activity)
	user = insert(:user)

	# Unliking something that hasn't been liked does nothing
	{:ok, object} = ActivityPub.unlike(user, object)
	assert object.data["like_count"] == 0

	{:ok, like_activity, object} = ActivityPub.like(user, object)
	assert object.data["like_count"] == 1

	{:ok, unlike_activity, _, object} = ActivityPub.unlike(user, object)
	assert object.data["like_count"] == 0

	assert Activity.get_by_id(like_activity.id) == nil
	assert note_activity.actor in unlike_activity.recipients
	end
	end

	describe "announcing an object" do
	test "adds an announce activity to the db" do
	note_activity = insert(:note_activity)
	object = Object.normalize(note_activity)
	user = insert(:user)

	{:ok, announce_activity, object} = ActivityPub.announce(user, object)
	assert object.data["announcement_count"] == 1
	assert object.data["announcements"] == [user.ap_id]

	assert announce_activity.data["to"] == [
	User.ap_followers(user),
	note_activity.data["actor"]
	]

	assert announce_activity.data["object"] == object.data["id"]
	assert announce_activity.data["actor"] == user.ap_id
	assert announce_activity.data["context"] == object.data["context"]
	end

	test "reverts annouce from object on error" do
	note_activity = insert(:note_activity)
	object = Object.normalize(note_activity)
	user = insert(:user)

	with_mock(Utils, [:passthrough], maybe_federate: fn _ -> {:error, :reverted} end) do
	assert {:error, :reverted} = ActivityPub.announce(user, object)
	end

	reloaded_object = Object.get_by_ap_id(object.data["id"])
	assert reloaded_object == object
	refute reloaded_object.data["announcement_count"]
	refute reloaded_object.data["announcements"]
	end
	end

	describe "announcing a private object" do
	test "adds an announce activity to the db if the audience is not widened" do
	user = insert(:user)
	{:ok, note_activity} = CommonAPI.post(user, %{"status" => ".", "visibility" => "private"})
	object = Object.normalize(note_activity)

	{:ok, announce_activity, object} = ActivityPub.announce(user, object, nil, true, false)

	assert announce_activity.data["to"] == [User.ap_followers(user)]

	assert announce_activity.data["object"] == object.data["id"]
	assert announce_activity.data["actor"] == user.ap_id
	assert announce_activity.data["context"] == object.data["context"]
	end

	test "does not add an announce activity to the db if the audience is widened" do
	user = insert(:user)
	{:ok, note_activity} = CommonAPI.post(user, %{"status" => ".", "visibility" => "private"})
	object = Object.normalize(note_activity)

	assert {:error, _} = ActivityPub.announce(user, object, nil, true, true)
	end

	test "does not add an announce activity to the db if the announcer is not the author" do
	user = insert(:user)
	announcer = insert(:user)
	{:ok, note_activity} = CommonAPI.post(user, %{"status" => ".", "visibility" => "private"})
	object = Object.normalize(note_activity)

	assert {:error, _} = ActivityPub.announce(announcer, object, nil, true, false)
	end
	end

	describe "unannouncing an object" do
	test "unannouncing a previously announced object" do
	note_activity = insert(:note_activity)
	object = Object.normalize(note_activity)
	user = insert(:user)

	# Unannouncing an object that is not announced does nothing
	{:ok, object} = ActivityPub.unannounce(user, object)
	refute object.data["announcement_count"]

	{:ok, announce_activity, object} = ActivityPub.announce(user, object)
	assert object.data["announcement_count"] == 1

	{:ok, unannounce_activity, object} = ActivityPub.unannounce(user, object)
	assert object.data["announcement_count"] == 0

	assert unannounce_activity.data["to"] == [
	User.ap_followers(user),
	object.data["actor"]
	]

	assert unannounce_activity.data["type"] == "Undo"
	assert unannounce_activity.data["object"] == announce_activity.data
	assert unannounce_activity.data["actor"] == user.ap_id
	assert unannounce_activity.data["context"] == announce_activity.data["context"]

	assert Activity.get_by_id(announce_activity.id) == nil
	end

	test "reverts unannouncing on error" do
	note_activity = insert(:note_activity)
	object = Object.normalize(note_activity)
	user = insert(:user)

	{:ok, _announce_activity, object} = ActivityPub.announce(user, object)
	assert object.data["announcement_count"] == 1

	with_mock(Utils, [:passthrough], maybe_federate: fn _ -> {:error, :reverted} end) do
	assert {:error, :reverted} = ActivityPub.unannounce(user, object)
	end

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

	describe "uploading files" do
	test "copies the file to the configured folder" do
	file = %Plug.Upload{
	content_type: "image/jpg",
	path: Path.absname("test/fixtures/image.jpg"),
	filename: "an_image.jpg"
	}

	{:ok, %Object{} = object} = ActivityPub.upload(file)
	assert object.data["name"] == "an_image.jpg"
	end

	test "works with base64 encoded images" do
	file = %{
	"img" => data_uri()
	}

	{:ok, %Object{}} = ActivityPub.upload(file)
	end
	end

	describe "fetch the latest Follow" do
	test "fetches the latest Follow activity" do
	%Activity{data: %{"type" => "Follow"}} = activity = insert(:follow_activity)
	follower = Repo.get_by(User, ap_id: activity.data["actor"])
	followed = Repo.get_by(User, ap_id: activity.data["object"])

	assert activity == Utils.fetch_latest_follow(follower, followed)
	end
	end

	describe "following / unfollowing" do
	test "it reverts follow activity" do
	follower = insert(:user)
	followed = insert(:user)

	with_mock(Utils, [:passthrough], maybe_federate: fn _ -> {:error, :reverted} end) do
	assert {:error, :reverted} = ActivityPub.follow(follower, followed)
	end

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

	test "it reverts unfollow activity" do
	follower = insert(:user)
	followed = insert(:user)

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

	with_mock(Utils, [:passthrough], maybe_federate: fn _ -> {:error, :reverted} end) do
	assert {:error, :reverted} = ActivityPub.unfollow(follower, followed)
	end

	activity = Activity.get_by_id(follow_activity.id)
	assert activity.data["type"] == "Follow"
	assert activity.data["actor"] == follower.ap_id

	assert activity.data["object"] == followed.ap_id
	end

	test "creates a follow activity" do
	follower = insert(:user)
	followed = insert(:user)

	{:ok, activity} = ActivityPub.follow(follower, followed)
	assert activity.data["type"] == "Follow"
	assert activity.data["actor"] == follower.ap_id
	assert activity.data["object"] == followed.ap_id
	end

	test "creates an undo activity for the last follow" do
	follower = insert(:user)
	followed = insert(:user)

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

	assert activity.data["type"] == "Undo"
	assert activity.data["actor"] == follower.ap_id

	embedded_object = activity.data["object"]
	assert is_map(embedded_object)
	assert embedded_object["type"] == "Follow"
	assert embedded_object["object"] == followed.ap_id
	assert embedded_object["id"] == follow_activity.data["id"]
	end

	test "creates an undo activity for a pending follow request" do
	follower = insert(:user)
	followed = insert(:user, %{locked: true})

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

	assert activity.data["type"] == "Undo"
	assert activity.data["actor"] == follower.ap_id

	embedded_object = activity.data["object"]
	assert is_map(embedded_object)
	assert embedded_object["type"] == "Follow"
	assert embedded_object["object"] == followed.ap_id
	assert embedded_object["id"] == follow_activity.data["id"]
	end
	end

	describe "blocking / unblocking" do
	test "reverts block activity on error" do
	[blocker, blocked] = insert_list(2, :user)

	with_mock(Utils, [:passthrough], maybe_federate: fn _ -> {:error, :reverted} end) do
	assert {:error, :reverted} = ActivityPub.block(blocker, blocked)
	end

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

	test "creates a block activity" do
	blocker = insert(:user)
	blocked = insert(:user)

	{:ok, activity} = ActivityPub.block(blocker, blocked)

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

	test "reverts unblock activity on error" do
	[blocker, blocked] = insert_list(2, :user)
	{:ok, block_activity} = ActivityPub.block(blocker, blocked)

	with_mock(Utils, [:passthrough], maybe_federate: fn _ -> {:error, :reverted} end) do
	assert {:error, :reverted} = ActivityPub.unblock(blocker, blocked)
	end

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

	assert Repo.aggregate(Activity, :count, :id) == 1
	assert Repo.aggregate(Object, :count, :id) == 1
	end

	test "creates an undo activity for the last block" do
	blocker = insert(:user)
	blocked = insert(:user)

	{:ok, block_activity} = ActivityPub.block(blocker, blocked)
	{:ok, activity} = ActivityPub.unblock(blocker, blocked)

	assert activity.data["type"] == "Undo"
	assert activity.data["actor"] == blocker.ap_id

	embedded_object = activity.data["object"]
	assert is_map(embedded_object)
	assert embedded_object["type"] == "Block"
	assert embedded_object["object"] == blocked.ap_id
	assert embedded_object["id"] == block_activity.data["id"]
	end
	end

	describe "deletion" do
	clear_config([:instance, :rewrite_policy])

	test "it reverts deletion on error" do
	note = insert(:note_activity)
	object = Object.normalize(note)

	with_mock(Utils, [:passthrough], maybe_federate: fn _ -> {:error, :reverted} end) do
	assert {:error, :reverted} = ActivityPub.delete(object)
	end

	assert Repo.aggregate(Activity, :count, :id) == 1
	assert Repo.get(Object, object.id) == object
	assert Activity.get_by_id(note.id) == note
	end

	test "it creates a delete activity and deletes the original object" do
	note = insert(:note_activity)
	object = Object.normalize(note)
	{:ok, delete} = ActivityPub.delete(object)

	assert delete.data["type"] == "Delete"
	assert delete.data["actor"] == note.data["actor"]
	assert delete.data["object"] == object.data["id"]

	assert Activity.get_by_id(delete.id) != nil

	assert Repo.get(Object, object.id).data["type"] == "Tombstone"
	end

	+ test "it doesn't fail when an activity was already deleted" do
	+ {:ok, delete} = insert(:note_activity) \|> Object.normalize() \|> ActivityPub.delete()
	+
	+ assert {:ok, ^delete} = delete \|> Object.normalize() \|> ActivityPub.delete()
	+ end
	+
	test "decrements user note count only for public activities" do
	user = insert(:user, note_count: 10)

	{:ok, a1} =
	CommonAPI.post(User.get_cached_by_id(user.id), %{
	"status" => "yeah",
	"visibility" => "public"
	})

	{:ok, a2} =
	CommonAPI.post(User.get_cached_by_id(user.id), %{
	"status" => "yeah",
	"visibility" => "unlisted"
	})

	{:ok, a3} =
	CommonAPI.post(User.get_cached_by_id(user.id), %{
	"status" => "yeah",
	"visibility" => "private"
	})

	{:ok, a4} =
	CommonAPI.post(User.get_cached_by_id(user.id), %{
	"status" => "yeah",
	"visibility" => "direct"
	})

	{:ok, _} = Object.normalize(a1) \|> ActivityPub.delete()
	{:ok, _} = Object.normalize(a2) \|> ActivityPub.delete()
	{:ok, _} = Object.normalize(a3) \|> ActivityPub.delete()
	{:ok, _} = Object.normalize(a4) \|> ActivityPub.delete()

	user = User.get_cached_by_id(user.id)
	assert user.note_count == 10
	end

	test "it creates a delete activity and checks that it is also sent to users mentioned by the deleted object" do
	user = insert(:user)
	note = insert(:note_activity)
	object = Object.normalize(note)

	{:ok, object} =
	object
	\|> Object.change(%{
	data: %{
	"actor" => object.data["actor"],
	"id" => object.data["id"],
	"to" => [user.ap_id],
	"type" => "Note"
	}
	})
	\|> Object.update_and_set_cache()

	{:ok, delete} = ActivityPub.delete(object)

	assert user.ap_id in delete.data["to"]
	end

	test "decreases reply count" do
	user = insert(:user)
	user2 = insert(:user)

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

	{:ok, public_reply} = CommonAPI.post(user2, Map.put(reply_data, "visibility", "public"))
	{:ok, unlisted_reply} = CommonAPI.post(user2, Map.put(reply_data, "visibility", "unlisted"))
	{:ok, private_reply} = CommonAPI.post(user2, Map.put(reply_data, "visibility", "private"))
	{:ok, direct_reply} = CommonAPI.post(user2, Map.put(reply_data, "visibility", "direct"))

	_ = CommonAPI.delete(direct_reply.id, user2)
	assert %{data: data, object: object} = Activity.get_by_ap_id_with_object(ap_id)
	assert object.data["repliesCount"] == 2

	_ = CommonAPI.delete(private_reply.id, user2)
	assert %{data: data, object: object} = Activity.get_by_ap_id_with_object(ap_id)
	assert object.data["repliesCount"] == 2

	_ = CommonAPI.delete(public_reply.id, user2)
	assert %{data: data, object: object} = Activity.get_by_ap_id_with_object(ap_id)
	assert object.data["repliesCount"] == 1

	_ = CommonAPI.delete(unlisted_reply.id, user2)
	assert %{data: data, object: object} = Activity.get_by_ap_id_with_object(ap_id)
	assert object.data["repliesCount"] == 0
	end

	test "it passes delete activity through MRF before deleting the object" do
	Pleroma.Config.put([:instance, :rewrite_policy], Pleroma.Web.ActivityPub.MRF.DropPolicy)

	note = insert(:note_activity)
	object = Object.normalize(note)

	{:error, {:reject, _}} = ActivityPub.delete(object)

	assert Activity.get_by_id(note.id)
	assert Repo.get(Object, object.id).data["type"] == object.data["type"]
	end
	end

	describe "timeline post-processing" do
	test "it filters broken threads" do
	user1 = insert(:user)
	user2 = insert(:user)
	user3 = insert(:user)

	{:ok, user1} = User.follow(user1, user3)
	assert User.following?(user1, user3)

	{:ok, user2} = User.follow(user2, user3)
	assert User.following?(user2, user3)

	{:ok, user3} = User.follow(user3, user2)
	assert User.following?(user3, user2)

	{:ok, public_activity} = CommonAPI.post(user3, %{"status" => "hi 1"})

	{:ok, private_activity_1} =
	CommonAPI.post(user3, %{"status" => "hi 2", "visibility" => "private"})

	{:ok, private_activity_2} =
	CommonAPI.post(user2, %{
	"status" => "hi 3",
	"visibility" => "private",
	"in_reply_to_status_id" => private_activity_1.id
	})

	{:ok, private_activity_3} =
	CommonAPI.post(user3, %{
	"status" => "hi 4",
	"visibility" => "private",
	"in_reply_to_status_id" => private_activity_2.id
	})

	activities =
	ActivityPub.fetch_activities([user1.ap_id \| User.following(user1)])
	\|> Enum.map(fn a -> a.id end)

	private_activity_1 = Activity.get_by_ap_id_with_object(private_activity_1.data["id"])

	assert [public_activity.id, private_activity_1.id, private_activity_3.id] == activities

	assert length(activities) == 3

	activities =
	ActivityPub.fetch_activities([user1.ap_id \| User.following(user1)], %{"user" => user1})
	\|> Enum.map(fn a -> a.id end)

	assert [public_activity.id, private_activity_1.id] == activities
	assert length(activities) == 2
	end
	end

	describe "update" do
	clear_config([:instance, :max_pinned_statuses])

	test "it creates an update activity with the new user data" do
	user = insert(:user)
	{:ok, user} = User.ensure_keys_present(user)
	user_data = Pleroma.Web.ActivityPub.UserView.render("user.json", %{user: user})

	{:ok, update} =
	ActivityPub.update(%{
	actor: user_data["id"],
	to: [user.follower_address],
	cc: [],
	object: user_data
	})

	assert update.data["actor"] == user.ap_id
	assert update.data["to"] == [user.follower_address]
	assert embedded_object = update.data["object"]
	assert embedded_object["id"] == user_data["id"]
	assert embedded_object["type"] == user_data["type"]
	end
	end

	test "returned pinned statuses" do
	Config.put([:instance, :max_pinned_statuses], 3)
	user = insert(:user)

	{:ok, activity_one} = CommonAPI.post(user, %{"status" => "HI!!!"})
	{:ok, activity_two} = CommonAPI.post(user, %{"status" => "HI!!!"})
	{:ok, activity_three} = CommonAPI.post(user, %{"status" => "HI!!!"})

	CommonAPI.pin(activity_one.id, user)
	user = refresh_record(user)

	CommonAPI.pin(activity_two.id, user)
	user = refresh_record(user)

	CommonAPI.pin(activity_three.id, user)
	user = refresh_record(user)

	activities = ActivityPub.fetch_user_activities(user, nil, %{"pinned" => "true"})

	assert 3 = length(activities)
	end

	describe "flag/1" do
	setup do
	reporter = insert(:user)
	target_account = insert(:user)
	content = "foobar"
	{:ok, activity} = CommonAPI.post(target_account, %{"status" => content})
	context = Utils.generate_context_id()

	reporter_ap_id = reporter.ap_id
	target_ap_id = target_account.ap_id
	activity_ap_id = activity.data["id"]

	activity_with_object = Activity.get_by_ap_id_with_object(activity_ap_id)

	{:ok,
	%{
	reporter: reporter,
	context: context,
	target_account: target_account,
	reported_activity: activity,
	content: content,
	activity_ap_id: activity_ap_id,
	activity_with_object: activity_with_object,
	reporter_ap_id: reporter_ap_id,
	target_ap_id: target_ap_id
	}}
	end

	test "it can create a Flag activity",
	%{
	reporter: reporter,
	context: context,
	target_account: target_account,
	reported_activity: reported_activity,
	content: content,
	activity_ap_id: activity_ap_id,
	activity_with_object: activity_with_object,
	reporter_ap_id: reporter_ap_id,
	target_ap_id: target_ap_id
	} do
	assert {:ok, activity} =
	ActivityPub.flag(%{
	actor: reporter,
	context: context,
	account: target_account,
	statuses: [reported_activity],
	content: content
	})

	note_obj = %{
	"type" => "Note",
	"id" => activity_ap_id,
	"content" => content,
	"published" => activity_with_object.object.data["published"],
	"actor" => AccountView.render("show.json", %{user: target_account})
	}

	assert %Activity{
	actor: ^reporter_ap_id,
	data: %{
	"type" => "Flag",
	"content" => ^content,
	"context" => ^context,
	"object" => [^target_ap_id, ^note_obj]
	}
	} = activity
	end

	test_with_mock "strips status data from Flag, before federating it",
	%{
	reporter: reporter,
	context: context,
	target_account: target_account,
	reported_activity: reported_activity,
	content: content
	},
	Utils,
	[:passthrough],
	[] do
	{:ok, activity} =
	ActivityPub.flag(%{
	actor: reporter,
	context: context,
	account: target_account,
	statuses: [reported_activity],
	content: content
	})

	new_data =
	put_in(activity.data, ["object"], [target_account.ap_id, reported_activity.data["id"]])

	assert_called(Utils.maybe_federate(%{activity \| data: new_data}))
	end
	end

	test "fetch_activities/2 returns activities addressed to a list " do
	user = insert(:user)
	member = insert(:user)
	{:ok, list} = Pleroma.List.create("foo", user)
	{:ok, list} = Pleroma.List.follow(list, member)

	{:ok, activity} =
	CommonAPI.post(user, %{"status" => "foobar", "visibility" => "list:#{list.id}"})

	activity = Repo.preload(activity, :bookmark)
	activity = %Activity{activity \| thread_muted?: !!activity.thread_muted?}

	assert ActivityPub.fetch_activities([], %{"user" => user}) == [activity]
	end

	def data_uri do
	File.read!("test/fixtures/avatar_data_uri")
	end

	describe "fetch_activities_bounded" do
	test "fetches private posts for followed users" do
	user = insert(:user)

	{:ok, activity} =
	CommonAPI.post(user, %{
	"status" => "thought I looked cute might delete later :3",
	"visibility" => "private"
	})

	[result] = ActivityPub.fetch_activities_bounded([user.follower_address], [])
	assert result.id == activity.id
	end

	test "fetches only public posts for other users" do
	user = insert(:user)
	{:ok, activity} = CommonAPI.post(user, %{"status" => "#cofe", "visibility" => "public"})

	{:ok, _private_activity} =
	CommonAPI.post(user, %{
	"status" => "why is tenshi eating a corndog so cute?",
	"visibility" => "private"
	})

	[result] = ActivityPub.fetch_activities_bounded([], [user.follower_address])
	assert result.id == activity.id
	end
	end

	describe "fetch_follow_information_for_user" do
	test "syncronizes following/followers counters" do
	user =
	insert(:user,
	local: false,
	follower_address: "http://localhost:4001/users/fuser2/followers",
	following_address: "http://localhost:4001/users/fuser2/following"
	)

	{:ok, info} = ActivityPub.fetch_follow_information_for_user(user)
	assert info.follower_count == 527
	assert info.following_count == 267
	end

	test "detects hidden followers" do
	mock(fn env ->
	case env.url do
	"http://localhost:4001/users/masto_closed/followers?page=1" ->
	%Tesla.Env{status: 403, body: ""}

	_ ->
	apply(HttpRequestMock, :request, [env])
	end
	end)

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

	{:ok, follow_info} = ActivityPub.fetch_follow_information_for_user(user)
	assert follow_info.hide_followers == true
	assert follow_info.hide_follows == false
	end

	test "detects hidden follows" do
	mock(fn env ->
	case env.url do
	"http://localhost:4001/users/masto_closed/following?page=1" ->
	%Tesla.Env{status: 403, body: ""}

	_ ->
	apply(HttpRequestMock, :request, [env])
	end
	end)

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

	{:ok, follow_info} = ActivityPub.fetch_follow_information_for_user(user)
	assert follow_info.hide_followers == false
	assert follow_info.hide_follows == true
	end

	test "detects hidden follows/followers for friendica" do
	user =
	insert(:user,
	local: false,
	follower_address: "http://localhost:8080/followers/fuser3",
	following_address: "http://localhost:8080/following/fuser3"
	)

	{:ok, follow_info} = ActivityPub.fetch_follow_information_for_user(user)
	assert follow_info.hide_followers == true
	assert follow_info.follower_count == 296
	assert follow_info.following_count == 32
	assert follow_info.hide_follows == true
	end

	test "doesn't crash when follower and following counters are hidden" do
	mock(fn env ->
	case env.url do
	"http://localhost:4001/users/masto_hidden_counters/following" ->
	json(%{
	"@context" => "https://www.w3.org/ns/activitystreams",
	"id" => "http://localhost:4001/users/masto_hidden_counters/followers"
	})

	"http://localhost:4001/users/masto_hidden_counters/following?page=1" ->
	%Tesla.Env{status: 403, body: ""}

	"http://localhost:4001/users/masto_hidden_counters/followers" ->
	json(%{
	"@context" => "https://www.w3.org/ns/activitystreams",
	"id" => "http://localhost:4001/users/masto_hidden_counters/following"
	})

	"http://localhost:4001/users/masto_hidden_counters/followers?page=1" ->
	%Tesla.Env{status: 403, body: ""}
	end
	end)

	user =
	insert(:user,
	local: false,
	follower_address: "http://localhost:4001/users/masto_hidden_counters/followers",
	following_address: "http://localhost:4001/users/masto_hidden_counters/following"
	)

	{:ok, follow_info} = ActivityPub.fetch_follow_information_for_user(user)

	assert follow_info.hide_followers == true
	assert follow_info.follower_count == 0
	assert follow_info.hide_follows == true
	assert follow_info.following_count == 0
	end
	end

	describe "fetch_favourites/3" do
	test "returns a favourite activities sorted by adds to favorite" do
	user = insert(:user)
	other_user = insert(:user)
	user1 = insert(:user)
	user2 = insert(:user)
	{:ok, a1} = CommonAPI.post(user1, %{"status" => "bla"})
	{:ok, _a2} = CommonAPI.post(user2, %{"status" => "traps are happy"})
	{:ok, a3} = CommonAPI.post(user2, %{"status" => "Trees Are "})
	{:ok, a4} = CommonAPI.post(user2, %{"status" => "Agent Smith "})
	{:ok, a5} = CommonAPI.post(user1, %{"status" => "Red or Blue "})

	{:ok, _, _} = CommonAPI.favorite(a4.id, user)
	{:ok, _, _} = CommonAPI.favorite(a3.id, other_user)
	{:ok, _, _} = CommonAPI.favorite(a3.id, user)
	{:ok, _, _} = CommonAPI.favorite(a5.id, other_user)
	{:ok, _, _} = CommonAPI.favorite(a5.id, user)
	{:ok, _, _} = CommonAPI.favorite(a4.id, other_user)
	{:ok, _, _} = CommonAPI.favorite(a1.id, user)
	{:ok, _, _} = CommonAPI.favorite(a1.id, other_user)
	result = ActivityPub.fetch_favourites(user)

	assert Enum.map(result, & &1.id) == [a1.id, a5.id, a3.id, a4.id]

	result = ActivityPub.fetch_favourites(user, %{"limit" => 2})
	assert Enum.map(result, & &1.id) == [a1.id, a5.id]
	end
	end

	describe "Move activity" do
	test "create" do
	%{ap_id: old_ap_id} = old_user = insert(:user)
	%{ap_id: new_ap_id} = new_user = insert(:user, also_known_as: [old_ap_id])
	follower = insert(:user)
	follower_move_opted_out = insert(:user, allow_following_move: false)

	User.follow(follower, old_user)
	User.follow(follower_move_opted_out, old_user)

	assert User.following?(follower, old_user)
	assert User.following?(follower_move_opted_out, old_user)

	assert {:ok, activity} = ActivityPub.move(old_user, new_user)

	assert %Activity{
	actor: ^old_ap_id,
	data: %{
	"actor" => ^old_ap_id,
	"object" => ^old_ap_id,
	"target" => ^new_ap_id,
	"type" => "Move"
	},
	local: true
	} = activity

	params = %{
	"op" => "move_following",
	"origin_id" => old_user.id,
	"target_id" => new_user.id
	}

	assert_enqueued(worker: Pleroma.Workers.BackgroundWorker, args: params)

	Pleroma.Workers.BackgroundWorker.perform(params, nil)

	refute User.following?(follower, old_user)
	assert User.following?(follower, new_user)

	assert User.following?(follower_move_opted_out, old_user)
	refute User.following?(follower_move_opted_out, new_user)

	activity = %Activity{activity \| object: nil}

	assert [%Notification{activity: ^activity}] =
	Notification.for_user(follower, %{with_move: true})

	assert [%Notification{activity: ^activity}] =
	Notification.for_user(follower_move_opted_out, %{with_move: true})
	end

	test "old user must be in the new user's `also_known_as` list" do
	old_user = insert(:user)
	new_user = insert(:user)

	assert {:error, "Target account must have the origin in `alsoKnownAs`"} =
	ActivityPub.move(old_user, new_user)
	end
	end
	end

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