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	diff --git a/lib/pleroma/gopher/server.ex b/lib/pleroma/gopher/server.ex
	index 32cb817d2..ba9614029 100644
	--- a/lib/pleroma/gopher/server.ex
	+++ b/lib/pleroma/gopher/server.ex
	@@ -1,157 +1,158 @@
	# Pleroma: A lightweight social networking server
	# Copyright © 2017-2019 Pleroma Authors <https://pleroma.social/>
	# SPDX-License-Identifier: AGPL-3.0-only

	defmodule Pleroma.Gopher.Server do
	use GenServer
	require Logger

	def start_link() do
	config = Pleroma.Config.get(:gopher, [])
	ip = Keyword.get(config, :ip, {0, 0, 0, 0})
	port = Keyword.get(config, :port, 1234)

	if Keyword.get(config, :enabled, false) do
	GenServer.start_link(__MODULE__, [ip, port], [])
	else
	Logger.info("Gopher server disabled")
	:ignore
	end
	end

	def init([ip, port]) do
	Logger.info("Starting gopher server on #{port}")

	:ranch.start_listener(
	:gopher,
	100,
	:ranch_tcp,
	[ip: ip, port: port],
	__MODULE__.ProtocolHandler,
	[]
	)

	{:ok, %{ip: ip, port: port}}
	end
	end

	defmodule Pleroma.Gopher.Server.ProtocolHandler do
	alias Pleroma.Web.ActivityPub.ActivityPub
	+ alias Pleroma.Web.ActivityPub.Visibility
	alias Pleroma.Activity
	alias Pleroma.HTML
	alias Pleroma.User
	alias Pleroma.Repo

	def start_link(ref, socket, transport, opts) do
	pid = spawn_link(__MODULE__, :init, [ref, socket, transport, opts])
	{:ok, pid}
	end

	def init(ref, socket, transport, [] = _Opts) do
	:ok = :ranch.accept_ack(ref)
	loop(socket, transport)
	end

	def info(text) do
	text = String.replace(text, ~r/[\t\n]/, "")

	String.split(text, "\r")
	\|> Enum.map(fn text ->
	"i#{text}\tfake\t(NULL)\t0\r\n"
	end)
	\|> Enum.join("")
	end

	def link(name, selector, type \\ 1) do
	address = Pleroma.Web.Endpoint.host()
	port = Pleroma.Config.get([:gopher, :port], 1234)
	"#{type}#{name}\t#{selector}\t#{address}\t#{port}\r\n"
	end

	def render_activities(activities) do
	activities
	\|> Enum.reverse()
	\|> Enum.map(fn activity ->
	user = User.get_cached_by_ap_id(activity.data["actor"])

	object = activity.data["object"]
	like_count = object["like_count"] \|\| 0
	announcement_count = object["announcement_count"] \|\| 0

	link("Post ##{activity.id} by #{user.nickname}", "/notices/#{activity.id}") <>
	info("#{like_count} likes, #{announcement_count} repeats") <>
	"i\tfake\t(NULL)\t0\r\n" <>
	info(HTML.strip_tags(String.replace(activity.data["object"]["content"], "<br>", "\r")))
	end)
	\|> Enum.join("i\tfake\t(NULL)\t0\r\n")
	end

	def response("") do
	info("Welcome to #{Pleroma.Config.get([:instance, :name], "Pleroma")}!") <>
	link("Public Timeline", "/main/public") <>
	link("Federated Timeline", "/main/all") <> ".\r\n"
	end

	def response("/main/public") do
	posts =
	ActivityPub.fetch_public_activities(%{"type" => ["Create"], "local_only" => true})
	\|> render_activities

	info("Welcome to the Public Timeline!") <> posts <> ".\r\n"
	end

	def response("/main/all") do
	posts =
	ActivityPub.fetch_public_activities(%{"type" => ["Create"]})
	\|> render_activities

	info("Welcome to the Federated Timeline!") <> posts <> ".\r\n"
	end

	def response("/notices/" <> id) do
	with %Activity{} = activity <- Repo.get(Activity, id),
	- true <- ActivityPub.is_public?(activity) do
	+ true <- Visibility.is_public?(activity) do
	activities =
	ActivityPub.fetch_activities_for_context(activity.data["context"])
	\|> render_activities

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

	info("Post #{activity.id} by #{user.nickname}") <>
	link("More posts by #{user.nickname}", "/users/#{user.nickname}") <> activities <> ".\r\n"
	else
	_e ->
	info("Not public") <> ".\r\n"
	end
	end

	def response("/users/" <> nickname) do
	with %User{} = user <- User.get_cached_by_nickname(nickname) do
	params = %{
	"type" => ["Create"],
	"actor_id" => user.ap_id
	}

	activities =
	ActivityPub.fetch_public_activities(params)
	\|> render_activities

	info("Posts by #{user.nickname}") <> activities <> ".\r\n"
	else
	_e ->
	info("No such user") <> ".\r\n"
	end
	end

	def loop(socket, transport) do
	case transport.recv(socket, 0, 5000) do
	{:ok, data} ->
	data = String.trim_trailing(data, "\r\n")
	transport.send(socket, response(data))
	:ok = transport.close(socket)

	_ ->
	:ok = transport.close(socket)
	end
	end
	end
	diff --git a/lib/pleroma/web/activity_pub/activity_pub.ex b/lib/pleroma/web/activity_pub/activity_pub.ex
	index 7e153f396..cc255cc9e 100644
	--- a/lib/pleroma/web/activity_pub/activity_pub.ex
	+++ b/lib/pleroma/web/activity_pub/activity_pub.ex
	@@ -1,983 +1,933 @@
	# Pleroma: A lightweight social networking server
	# Copyright © 2017-2019 Pleroma Authors <https://pleroma.social/>
	# SPDX-License-Identifier: AGPL-3.0-only

	defmodule Pleroma.Web.ActivityPub.ActivityPub do
	alias Pleroma.Activity
	alias Pleroma.Repo
	alias Pleroma.Object
	alias Pleroma.Upload
	alias Pleroma.User
	alias Pleroma.Notification
	alias Pleroma.Instances
	alias Pleroma.Web.ActivityPub.Transmogrifier
	alias Pleroma.Web.ActivityPub.MRF
	alias Pleroma.Web.WebFinger
	alias Pleroma.Web.Federator
	alias Pleroma.Web.OStatus

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

	require Logger

	@httpoison Application.get_env(:pleroma, :httpoison)

	# 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 = data["to"] \|\| []
	cc = data["cc"] \|\| []
	actor = User.get_cached_by_ap_id(data["actor"])

	recipients =
	(to ++ cc)
	\|> Enum.filter(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 = data["to"] \|\| []
	cc = data["cc"] \|\| []
	actor = data["actor"] \|\| []
	recipients = (to ++ cc ++ [actor]) \|> Enum.uniq()
	{recipients, to, cc}
	end

	defp get_recipients(data) do
	to = data["to"] \|\| []
	cc = data["cc"] \|\| []
	recipients = to ++ cc
	{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.info.deactivated do
	:ok
	else
	_e -> :reject
	end
	else
	:ok
	end
	end

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

	defp check_remote_limit(_), do: true

	def insert(map, local \\ true) when is_map(map) do
	with nil <- Activity.normalize(map),
	map <- lazy_put_activity_defaults(map),
	:ok <- check_actor_is_active(map["actor"]),
	{_, true} <- {:remote_limit_error, check_remote_limit(map)},
	{:ok, map} <- MRF.filter(map),
	:ok <- insert_full_object(map) do
	{recipients, _, _} = get_recipients(map)

	{:ok, activity} =
	Repo.insert(%Activity{
	data: map,
	local: local,
	actor: map["actor"],
	recipients: recipients
	})

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

	Notification.create_notifications(activity)
	stream_out(activity)
	{:ok, activity}
	else
	%Activity{} = activity -> {:ok, activity}
	error -> {:error, error}
	end
	end

	def stream_out(activity) do
	public = "https://www.w3.org/ns/activitystreams#Public"

	if activity.data["type"] in ["Create", "Announce", "Delete"] do
	Pleroma.Web.Streamer.stream("user", activity)
	Pleroma.Web.Streamer.stream("list", activity)

	if Enum.member?(activity.data["to"], public) do
	Pleroma.Web.Streamer.stream("public", activity)

	if activity.local do
	Pleroma.Web.Streamer.stream("public:local", activity)
	end

	if activity.data["type"] in ["Create"] do
	activity.data["object"]
	\|> Map.get("tag", [])
	\|> Enum.filter(fn tag -> is_bitstring(tag) end)
	\|> Enum.each(fn tag -> Pleroma.Web.Streamer.stream("hashtag:" <> tag, activity) end)

	if activity.data["object"]["attachment"] != [] do
	Pleroma.Web.Streamer.stream("public:media", activity)

	if activity.local do
	Pleroma.Web.Streamer.stream("public:local:media", activity)
	end
	end
	end
	else
	if !Enum.member?(activity.data["cc"] \|\| [], public) &&
	!Enum.member?(
	activity.data["to"],
	User.get_by_ap_id(activity.data["actor"]).follower_address
	),
	do: Pleroma.Web.Streamer.stream("direct", activity)
	end
	end
	end

	def create(%{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 create_data <-
	make_create_data(
	%{to: to, actor: actor, published: published, context: context, object: object},
	additional
	),
	{:ok, activity} <- insert(create_data, local),
	# Changing note count prior to enqueuing federation task in order to avoid race conditions on updating user.info
	{:ok, _actor} <- User.increase_note_count(actor),
	:ok <- maybe_federate(activity) do
	{:ok, activity}
	end
	end

	def accept(%{to: to, actor: actor, object: object} = params) do
	# only accept false as false value
	local = !(params[:local] == false)

	with data <- %{"to" => to, "type" => "Accept", "actor" => actor.ap_id, "object" => object},
	{:ok, activity} <- insert(data, local),
	:ok <- maybe_federate(activity),
	_ <- User.update_follow_request_count(actor) do
	{:ok, activity}
	end
	end

	def reject(%{to: to, actor: actor, object: object} = params) do
	# only accept false as false value
	local = !(params[:local] == false)

	with data <- %{"to" => to, "type" => "Reject", "actor" => actor.ap_id, "object" => object},
	{:ok, activity} <- insert(data, local),
	:ok <- maybe_federate(activity),
	_ <- User.update_follow_request_count(actor) do
	{:ok, activity}
	end
	end

	def update(%{to: to, cc: cc, actor: actor, object: object} = params) do
	# only accept false as false value
	local = !(params[:local] == false)

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

	# TODO: This is weird, maybe we shouldn't check here if we can make the activity.
	def like(
	%User{ap_id: ap_id} = user,
	%Object{data: %{"id" => _}} = object,
	activity_id \\ nil,
	local \\ true
	) 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, error}
	end
	end

	def unlike(
	%User{} = actor,
	%Object{} = object,
	activity_id \\ nil,
	local \\ true
	) 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
	_e -> {:ok, object}
	end
	end

	def announce(
	%User{ap_id: _} = user,
	%Object{data: %{"id" => _}} = object,
	activity_id \\ nil,
	local \\ true,
	public \\ true
	) do
	with true <- is_public?(object),
	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
	error -> {:error, error}
	end
	end

	def unannounce(
	%User{} = actor,
	%Object{} = object,
	activity_id \\ nil,
	local \\ true
	) 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
	_e -> {:ok, object}
	end
	end

	def follow(follower, followed, activity_id \\ nil, local \\ true) do
	with data <- make_follow_data(follower, followed, activity_id),
	{:ok, activity} <- insert(data, local),
	:ok <- maybe_federate(activity),
	_ <- User.update_follow_request_count(followed) do
	{:ok, activity}
	end
	end

	def unfollow(follower, followed, activity_id \\ nil, local \\ true) 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),
	_ <- User.update_follow_request_count(followed) do
	{:ok, activity}
	end
	end

	def delete(%Object{data: %{"id" => id, "actor" => actor}} = object, local \\ true) do
	user = User.get_cached_by_ap_id(actor)

	data = %{
	"type" => "Delete",
	"actor" => actor,
	"object" => id,
	"to" => [user.follower_address, "https://www.w3.org/ns/activitystreams#Public"]
	}

	with {:ok, _} <- Object.delete(object),
	{:ok, activity} <- insert(data, local),
	# Changing note count prior to enqueuing federation task in order to avoid race conditions on updating user.info
	{:ok, _actor} <- User.decrease_note_count(user),
	:ok <- maybe_federate(activity) do
	{:ok, activity}
	end
	end

	def block(blocker, blocked, activity_id \\ nil, local \\ true) do
	ap_config = Application.get_env(:pleroma, :activitypub)
	unfollow_blocked = Keyword.get(ap_config, :unfollow_blocked)
	outgoing_blocks = Keyword.get(ap_config, :outgoing_blocks)

	with true <- unfollow_blocked do
	follow_activity = fetch_latest_follow(blocker, blocked)

	if follow_activity do
	unfollow(blocker, blocked, nil, local)
	end
	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
	_e -> {:ok, nil}
	end
	end

	def unblock(blocker, blocked, activity_id \\ nil, local \\ true) 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}
	end
	end

	def flag(
	%{
	actor: actor,
	context: context,
	account: account,
	statuses: statuses,
	content: content
	} = params
	) do
	additional = params[:additional] \|\| %{}

	# only accept false as false value
	local = !(params[:local] == false)

	%{
	actor: actor,
	context: context,
	account: account,
	statuses: statuses,
	content: content
	}
	\|> make_flag_data(additional)
	\|> insert(local)
	end

	def fetch_activities_for_context(context, opts \\ %{}) do
	public = ["https://www.w3.org/ns/activitystreams#Public"]

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

	query = from(activity in Activity)

	query =
	query
	\|> restrict_blocked(opts)
	\|> restrict_recipients(recipients, opts["user"])

	query =
	from(
	activity in query,
	where:
	fragment(
	"?->>'type' = ? and ?->>'context' = ?",
	activity.data,
	"Create",
	activity.data,
	^context
	),
	order_by: [desc: :id]
	)

	Repo.all(query)
	end

	def fetch_public_activities(opts \\ %{}) do
	q = fetch_activities_query(["https://www.w3.org/ns/activitystreams#Public"], opts)

	q
	\|> restrict_unlisted()
	\|> Repo.all()
	\|> Enum.reverse()
	end

	@valid_visibilities ~w[direct unlisted public private]

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

	Ecto.Adapters.SQL.to_sql(:all, Repo, query)

	query
	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

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

	recipients =
	if reading_user do
	["https://www.w3.org/ns/activitystreams#Public"] ++
	[reading_user.ap_id \| reading_user.following]
	else
	["https://www.w3.org/ns/activitystreams#Public"]
	end

	fetch_activities(recipients, params)
	\|> Enum.reverse()
	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})
	when is_list(tag_reject) and tag_reject != [] do
	from(
	activity in query,
	where: fragment("(not (? #> '{\"object\",\"tag\"}') \\?\| ?)", activity.data, ^tag_reject)
	)
	end

	defp restrict_tag_reject(query, _), do: query

	defp restrict_tag_all(query, %{"tag_all" => tag_all})
	when is_list(tag_all) and tag_all != [] do
	from(
	activity in query,
	where: fragment("(? #> '{\"object\",\"tag\"}') \\?& ?", activity.data, ^tag_all)
	)
	end

	defp restrict_tag_all(query, _), do: query

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

	defp restrict_tag(query, %{"tag" => tag}) when is_binary(tag) do
	from(
	activity in query,
	where: fragment("? <@ (? #> '{\"object\",\"tag\"}')", ^tag, activity.data)
	)
	end

	defp restrict_tag(query, _), do: query

	defp restrict_to_cc(query, recipients_to, recipients_cc) do
	from(
	activity in query,
	where:
	fragment(
	"(?->'to' \\?\| ?) or (?->'cc' \\?\| ?)",
	activity.data,
	^recipients_to,
	activity.data,
	^recipients_cc
	)
	)
	end

	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_limit(query, %{"limit" => limit}) do
	from(activity in query, limit: ^limit)
	end

	defp restrict_limit(query, _), do: query

	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_max(query, %{"max_id" => ""}), do: query

	defp restrict_max(query, %{"max_id" => max_id}) do
	from(activity in query, where: activity.id < ^max_id)
	end

	defp restrict_max(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_favorited_by(query, %{"favorited_by" => ap_id}) do
	from(
	activity in query,
	where: fragment("? <@ (? #> '{\"object\",\"likes\"}')", ^ap_id, activity.data)
	)
	end

	defp restrict_favorited_by(query, _), do: query

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

	defp restrict_media(query, _), do: query

	defp restrict_replies(query, %{"exclude_replies" => val}) when val == "true" or val == "1" do
	from(
	activity in query,
	where: fragment("?->'object'->>'inReplyTo' is null", activity.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, %{"muting_user" => %User{info: info}}) do
	mutes = info.mutes

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

	defp restrict_muted(query, _), do: query

	defp restrict_blocked(query, %{"blocking_user" => %User{info: info}}) do
	blocks = info.blocks \|\| []
	domain_blocks = info.domain_blocks \|\| []

	from(
	activity in query,
	where: fragment("not (? = ANY(?))", activity.actor, ^blocks),
	where: fragment("not (?->'to' \\?\| ?)", activity.data, ^blocks),
	where: fragment("not (split_part(?, '/', 3) = ANY(?))", activity.actor, ^domain_blocks)
	)
	end

	defp restrict_blocked(query, _), do: query

	defp restrict_unlisted(query) do
	from(
	activity in query,
	where:
	fragment(
	"not (coalesce(?->'cc', '{}'::jsonb) \\?\| ?)",
	activity.data,
	^["https://www.w3.org/ns/activitystreams#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

	def fetch_activities_query(recipients, opts \\ %{}) do
	base_query =
	from(
	activity in Activity,
	limit: 20,
	order_by: [fragment("? desc nulls last", activity.id)]
	)

	base_query
	\|> restrict_recipients(recipients, opts["user"])
	\|> restrict_tag(opts)
	\|> restrict_tag_reject(opts)
	\|> restrict_tag_all(opts)
	\|> restrict_since(opts)
	\|> restrict_local(opts)
	\|> restrict_limit(opts)
	\|> restrict_max(opts)
	\|> restrict_actor(opts)
	\|> restrict_type(opts)
	\|> restrict_favorited_by(opts)
	\|> restrict_blocked(opts)
	\|> restrict_muted(opts)
	\|> restrict_media(opts)
	\|> restrict_visibility(opts)
	\|> restrict_replies(opts)
	\|> restrict_reblogs(opts)
	\|> restrict_pinned(opts)
	end

	def fetch_activities(recipients, opts \\ %{}) do
	fetch_activities_query(recipients, opts)
	\|> Repo.all()
	\|> Enum.reverse()
	end

	def fetch_activities_bounded(recipients_to, recipients_cc, opts \\ %{}) do
	fetch_activities_query([], opts)
	\|> restrict_to_cc(recipients_to, recipients_cc)
	\|> Repo.all()
	\|> Enum.reverse()
	end

	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

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

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

	locked = data["manuallyApprovesFollowers"] \|\| false
	data = Transmogrifier.maybe_fix_user_object(data)

	user_data = %{
	ap_id: data["id"],
	info: %{
	"ap_enabled" => true,
	"source_data" => data,
	"banner" => banner,
	"locked" => locked
	},
	avatar: avatar,
	name: data["name"],
	follower_address: data["followers"],
	bio: data["summary"]
	}

	# 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_and_prepare_user_from_ap_id(ap_id) do
	with {:ok, data} <- fetch_and_contain_remote_object_from_id(ap_id) do
	user_data_from_user_object(data)
	else
	e -> Logger.error("Could not decode user at fetch #{ap_id}, #{inspect(e)}")
	end
	end

	def make_user_from_ap_id(ap_id) do
	if _user = User.get_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

	def should_federate?(inbox, public) do
	if public do
	true
	else
	inbox_info = URI.parse(inbox)
	!Enum.member?(Pleroma.Config.get([:instance, :quarantined_instances], []), inbox_info.host)
	end
	end

	def publish(actor, activity) do
	remote_followers =
	if actor.follower_address in activity.recipients do
	{:ok, followers} = User.get_followers(actor)
	followers \|> Enum.filter(&(!&1.local))
	else
	[]
	end

	public = is_public?(activity)

	{:ok, data} = Transmogrifier.prepare_outgoing(activity.data)
	json = Jason.encode!(data)

	(Pleroma.Web.Salmon.remote_users(activity) ++ remote_followers)
	\|> Enum.filter(fn user -> User.ap_enabled?(user) end)
	\|> Enum.map(fn %{info: %{source_data: data}} ->
	(is_map(data["endpoints"]) && Map.get(data["endpoints"], "sharedInbox")) \|\| data["inbox"]
	end)
	\|> Enum.uniq()
	\|> Enum.filter(fn inbox -> should_federate?(inbox, public) end)
	\|> Instances.filter_reachable()
	\|> Enum.each(fn {inbox, unreachable_since} ->
	Federator.publish_single_ap(%{
	inbox: inbox,
	json: json,
	actor: actor,
	id: activity.data["id"],
	unreachable_since: unreachable_since
	})
	end)
	end

	def publish_one(%{inbox: inbox, json: json, actor: actor, id: id} = params) do
	Logger.info("Federating #{id} to #{inbox}")
	host = URI.parse(inbox).host

	digest = "SHA-256=" <> (:crypto.hash(:sha256, json) \|> Base.encode64())

	date =
	NaiveDateTime.utc_now()
	\|> Timex.format!("{WDshort}, {D} {Mshort} {YYYY} {h24}:{m}:{s} GMT")

	signature =
	Pleroma.Web.HTTPSignatures.sign(actor, %{
	host: host,
	"content-length": byte_size(json),
	digest: digest,
	date: date
	})

	with {:ok, %{status: code}} when code in 200..299 <-
	result =
	@httpoison.post(
	inbox,
	json,
	[
	{"Content-Type", "application/activity+json"},
	{"Date", date},
	{"signature", signature},
	{"digest", digest}
	]
	) do
	if !Map.has_key?(params, :unreachable_since) \|\| params[:unreachable_since],
	do: Instances.set_reachable(inbox)

	result
	else
	{_post_result, response} ->
	unless params[:unreachable_since], do: Instances.set_unreachable(inbox)
	{:error, response}
	end
	end

	# TODO:
	# This will create a Create activity, which we need internally at the moment.
	def fetch_object_from_id(id) do
	if object = Object.get_cached_by_ap_id(id) do
	{:ok, object}
	else
	with {:ok, data} <- fetch_and_contain_remote_object_from_id(id),
	nil <- Object.normalize(data),
	params <- %{
	"type" => "Create",
	"to" => data["to"],
	"cc" => data["cc"],
	"actor" => data["actor"] \|\| data["attributedTo"],
	"object" => data
	},
	:ok <- Transmogrifier.contain_origin(id, params),
	{:ok, activity} <- Transmogrifier.handle_incoming(params) do
	{:ok, Object.normalize(activity.data["object"])}
	else
	{:error, {:reject, nil}} ->
	{:reject, nil}

	object = %Object{} ->
	{:ok, object}

	_e ->
	Logger.info("Couldn't get object via AP, trying out OStatus fetching...")

	case OStatus.fetch_activity_from_url(id) do
	{:ok, [activity \| _]} -> {:ok, Object.normalize(activity.data["object"])}
	e -> e
	end
	end
	end
	end

	def fetch_and_contain_remote_object_from_id(id) do
	Logger.info("Fetching object #{id} via AP")

	with true <- String.starts_with?(id, "http"),
	{:ok, %{body: body, status: code}} when code in 200..299 <-
	@httpoison.get(
	id,
	[{:Accept, "application/activity+json"}]
	),
	{:ok, data} <- Jason.decode(body),
	:ok <- Transmogrifier.contain_origin_from_id(id, data) do
	{:ok, data}
	else
	e ->
	{:error, e}
	end
	end

	- def is_public?(%Object{data: %{"type" => "Tombstone"}}), do: false
	- def is_public?(%Object{data: data}), do: is_public?(data)
	- def is_public?(%Activity{data: data}), do: is_public?(data)
	- def is_public?(%{"directMessage" => true}), do: false
	-
	- def is_public?(data) do
	- "https://www.w3.org/ns/activitystreams#Public" in (data["to"] ++ (data["cc"] \|\| []))
	- end
	-
	- def is_private?(activity) do
	- unless is_public?(activity) do
	- follower_address = User.get_cached_by_ap_id(activity.data["actor"]).follower_address
	- Enum.any?(activity.data["to"], &(&1 == follower_address))
	- else
	- false
	- end
	- end
	-
	- def is_direct?(%Activity{data: %{"directMessage" => true}}), do: true
	- def is_direct?(%Object{data: %{"directMessage" => true}}), do: true
	-
	- def is_direct?(activity) do
	- !is_public?(activity) && !is_private?(activity)
	- end
	-
	- def visible_for_user?(activity, nil) do
	- is_public?(activity)
	- end
	-
	- def visible_for_user?(activity, user) do
	- x = [user.ap_id \| user.following]
	- y = activity.data["to"] ++ (activity.data["cc"] \|\| [])
	- visible_for_user?(activity, nil) \|\| Enum.any?(x, &(&1 in y))
	- end
	-
	- # guard
	- def entire_thread_visible_for_user?(nil, _user), do: false
	-
	- # child
	- def entire_thread_visible_for_user?(
	- %Activity{data: %{"object" => %{"inReplyTo" => parent_id}}} = tail,
	- user
	- )
	- when is_binary(parent_id) do
	- parent = Activity.get_in_reply_to_activity(tail)
	- visible_for_user?(tail, user) && entire_thread_visible_for_user?(parent, user)
	- end
	-
	- # root
	- def entire_thread_visible_for_user?(tail, user), do: visible_for_user?(tail, user)
	-
	# 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

	# do post-processing on a timeline
	def contain_timeline(timeline, user) do
	timeline
	\|> Enum.filter(fn activity ->
	contain_activity(activity, user)
	end)
	end
	end
	diff --git a/lib/pleroma/web/activity_pub/activity_pub_controller.ex b/lib/pleroma/web/activity_pub/activity_pub_controller.ex
	index 2bea51311..ff924a536 100644
	--- a/lib/pleroma/web/activity_pub/activity_pub_controller.ex
	+++ b/lib/pleroma/web/activity_pub/activity_pub_controller.ex
	@@ -1,314 +1,315 @@
	# Pleroma: A lightweight social networking server
	# Copyright © 2017-2019 Pleroma Authors <https://pleroma.social/>
	# SPDX-License-Identifier: AGPL-3.0-only

	defmodule Pleroma.Web.ActivityPub.ActivityPubController do
	use Pleroma.Web, :controller

	alias Pleroma.Activity
	alias Pleroma.User
	alias Pleroma.Object
	alias Pleroma.Web.ActivityPub.ObjectView
	alias Pleroma.Web.ActivityPub.UserView
	alias Pleroma.Web.ActivityPub.ActivityPub
	+ alias Pleroma.Web.ActivityPub.Visibility
	alias Pleroma.Web.ActivityPub.Relay
	alias Pleroma.Web.ActivityPub.Transmogrifier
	alias Pleroma.Web.ActivityPub.Utils
	alias Pleroma.Web.Federator

	require Logger

	action_fallback(:errors)

	plug(Pleroma.Web.FederatingPlug when action in [:inbox, :relay])
	plug(:set_requester_reachable when action in [:inbox])
	plug(:relay_active? when action in [:relay])

	def relay_active?(conn, _) do
	if Keyword.get(Application.get_env(:pleroma, :instance), :allow_relay) do
	conn
	else
	conn
	\|> put_status(404)
	\|> json(%{error: "not found"})
	\|> halt
	end
	end

	def user(conn, %{"nickname" => nickname}) do
	with %User{} = user <- User.get_cached_by_nickname(nickname),
	{:ok, user} <- Pleroma.Web.WebFinger.ensure_keys_present(user) do
	conn
	\|> put_resp_header("content-type", "application/activity+json")
	\|> json(UserView.render("user.json", %{user: user}))
	else
	nil -> {:error, :not_found}
	end
	end

	def object(conn, %{"uuid" => uuid}) do
	with ap_id <- o_status_url(conn, :object, uuid),
	%Object{} = object <- Object.get_cached_by_ap_id(ap_id),
	- {_, true} <- {:public?, ActivityPub.is_public?(object)} do
	+ {_, true} <- {:public?, Visibility.is_public?(object)} do
	conn
	\|> put_resp_header("content-type", "application/activity+json")
	\|> json(ObjectView.render("object.json", %{object: object}))
	else
	{:public?, false} ->
	{:error, :not_found}
	end
	end

	def object_likes(conn, %{"uuid" => uuid, "page" => page}) do
	with ap_id <- o_status_url(conn, :object, uuid),
	%Object{} = object <- Object.get_cached_by_ap_id(ap_id),
	- {_, true} <- {:public?, ActivityPub.is_public?(object)},
	+ {_, true} <- {:public?, Visibility.is_public?(object)},
	likes <- Utils.get_object_likes(object) do
	{page, _} = Integer.parse(page)

	conn
	\|> put_resp_header("content-type", "application/activity+json")
	\|> json(ObjectView.render("likes.json", ap_id, likes, page))
	else
	{:public?, false} ->
	{:error, :not_found}
	end
	end

	def object_likes(conn, %{"uuid" => uuid}) do
	with ap_id <- o_status_url(conn, :object, uuid),
	%Object{} = object <- Object.get_cached_by_ap_id(ap_id),
	- {_, true} <- {:public?, ActivityPub.is_public?(object)},
	+ {_, true} <- {:public?, Visibility.is_public?(object)},
	likes <- Utils.get_object_likes(object) do
	conn
	\|> put_resp_header("content-type", "application/activity+json")
	\|> json(ObjectView.render("likes.json", ap_id, likes))
	else
	{:public?, false} ->
	{:error, :not_found}
	end
	end

	def activity(conn, %{"uuid" => uuid}) do
	with ap_id <- o_status_url(conn, :activity, uuid),
	%Activity{} = activity <- Activity.normalize(ap_id),
	- {_, true} <- {:public?, ActivityPub.is_public?(activity)} do
	+ {_, true} <- {:public?, Visibility.is_public?(activity)} do
	conn
	\|> put_resp_header("content-type", "application/activity+json")
	\|> json(ObjectView.render("object.json", %{object: activity}))
	else
	{:public?, false} ->
	{:error, :not_found}
	end
	end

	def following(conn, %{"nickname" => nickname, "page" => page}) do
	with %User{} = user <- User.get_cached_by_nickname(nickname),
	{:ok, user} <- Pleroma.Web.WebFinger.ensure_keys_present(user) do
	{page, _} = Integer.parse(page)

	conn
	\|> put_resp_header("content-type", "application/activity+json")
	\|> json(UserView.render("following.json", %{user: user, page: page}))
	end
	end

	def following(conn, %{"nickname" => nickname}) do
	with %User{} = user <- User.get_cached_by_nickname(nickname),
	{:ok, user} <- Pleroma.Web.WebFinger.ensure_keys_present(user) do
	conn
	\|> put_resp_header("content-type", "application/activity+json")
	\|> json(UserView.render("following.json", %{user: user}))
	end
	end

	def followers(conn, %{"nickname" => nickname, "page" => page}) do
	with %User{} = user <- User.get_cached_by_nickname(nickname),
	{:ok, user} <- Pleroma.Web.WebFinger.ensure_keys_present(user) do
	{page, _} = Integer.parse(page)

	conn
	\|> put_resp_header("content-type", "application/activity+json")
	\|> json(UserView.render("followers.json", %{user: user, page: page}))
	end
	end

	def followers(conn, %{"nickname" => nickname}) do
	with %User{} = user <- User.get_cached_by_nickname(nickname),
	{:ok, user} <- Pleroma.Web.WebFinger.ensure_keys_present(user) do
	conn
	\|> put_resp_header("content-type", "application/activity+json")
	\|> json(UserView.render("followers.json", %{user: user}))
	end
	end

	def outbox(conn, %{"nickname" => nickname} = params) do
	with %User{} = user <- User.get_cached_by_nickname(nickname),
	{:ok, user} <- Pleroma.Web.WebFinger.ensure_keys_present(user) do
	conn
	\|> put_resp_header("content-type", "application/activity+json")
	\|> json(UserView.render("outbox.json", %{user: user, max_id: params["max_id"]}))
	end
	end

	def inbox(%{assigns: %{valid_signature: true}} = conn, %{"nickname" => nickname} = params) do
	with %User{} = user <- User.get_cached_by_nickname(nickname),
	true <- Utils.recipient_in_message(user.ap_id, params),
	params <- Utils.maybe_splice_recipient(user.ap_id, params) do
	Federator.incoming_ap_doc(params)
	json(conn, "ok")
	end
	end

	def inbox(%{assigns: %{valid_signature: true}} = conn, params) do
	Federator.incoming_ap_doc(params)
	json(conn, "ok")
	end

	# only accept relayed Creates
	def inbox(conn, %{"type" => "Create"} = params) do
	Logger.info(
	"Signature missing or not from author, relayed Create message, fetching object from source"
	)

	ActivityPub.fetch_object_from_id(params["object"]["id"])

	json(conn, "ok")
	end

	def inbox(conn, params) do
	headers = Enum.into(conn.req_headers, %{})

	if String.contains?(headers["signature"], params["actor"]) do
	Logger.info(
	"Signature validation error for: #{params["actor"]}, make sure you are forwarding the HTTP Host header!"
	)

	Logger.info(inspect(conn.req_headers))
	end

	json(conn, "error")
	end

	def relay(conn, _params) do
	with %User{} = user <- Relay.get_actor(),
	{:ok, user} <- Pleroma.Web.WebFinger.ensure_keys_present(user) do
	conn
	\|> put_resp_header("content-type", "application/activity+json")
	\|> json(UserView.render("user.json", %{user: user}))
	else
	nil -> {:error, :not_found}
	end
	end

	def whoami(%{assigns: %{user: %User{} = user}} = conn, _params) do
	conn
	\|> put_resp_header("content-type", "application/activity+json")
	\|> json(UserView.render("user.json", %{user: user}))
	end

	def whoami(_conn, _params), do: {:error, :not_found}

	def read_inbox(%{assigns: %{user: user}} = conn, %{"nickname" => nickname} = params) do
	if nickname == user.nickname do
	conn
	\|> put_resp_header("content-type", "application/activity+json")
	\|> json(UserView.render("inbox.json", %{user: user, max_id: params["max_id"]}))
	else
	conn
	\|> put_status(:forbidden)
	\|> json("can't read inbox of #{nickname} as #{user.nickname}")
	end
	end

	def handle_user_activity(user, %{"type" => "Create"} = params) do
	object =
	params["object"]
	\|> Map.merge(Map.take(params, ["to", "cc"]))
	\|> Map.put("attributedTo", user.ap_id())
	\|> Transmogrifier.fix_object()

	ActivityPub.create(%{
	to: params["to"],
	actor: user,
	context: object["context"],
	object: object,
	additional: Map.take(params, ["cc"])
	})
	end

	def handle_user_activity(user, %{"type" => "Delete"} = params) do
	with %Object{} = object <- Object.normalize(params["object"]),
	true <- user.info.is_moderator \|\| user.ap_id == object.data["actor"],
	{:ok, delete} <- ActivityPub.delete(object) do
	{:ok, delete}
	else
	_ -> {:error, "Can't delete object"}
	end
	end

	def handle_user_activity(user, %{"type" => "Like"} = params) do
	with %Object{} = object <- Object.normalize(params["object"]),
	{:ok, activity, _object} <- ActivityPub.like(user, object) do
	{:ok, activity}
	else
	_ -> {:error, "Can't like object"}
	end
	end

	def handle_user_activity(_, _) do
	{:error, "Unhandled activity type"}
	end

	def update_outbox(
	%{assigns: %{user: user}} = conn,
	%{"nickname" => nickname} = params
	) do
	if nickname == user.nickname do
	actor = user.ap_id()

	params =
	params
	\|> Map.drop(["id"])
	\|> Map.put("actor", actor)
	\|> Transmogrifier.fix_addressing()

	with {:ok, %Activity{} = activity} <- handle_user_activity(user, params) do
	conn
	\|> put_status(:created)
	\|> put_resp_header("location", activity.data["id"])
	\|> json(activity.data)
	else
	{:error, message} ->
	conn
	\|> put_status(:bad_request)
	\|> json(message)
	end
	else
	conn
	\|> put_status(:forbidden)
	\|> json("can't update outbox of #{nickname} as #{user.nickname}")
	end
	end

	def errors(conn, {:error, :not_found}) do
	conn
	\|> put_status(404)
	\|> json("Not found")
	end

	def errors(conn, _e) do
	conn
	\|> put_status(500)
	\|> json("error")
	end

	defp set_requester_reachable(%Plug.Conn{} = conn, _) do
	with actor <- conn.params["actor"],
	true <- is_binary(actor) do
	Pleroma.Instances.set_reachable(actor)
	end

	conn
	end
	end
	diff --git a/lib/pleroma/web/activity_pub/transmogrifier.ex b/lib/pleroma/web/activity_pub/transmogrifier.ex
	index 41d89a02b..88007aa16 100644
	--- a/lib/pleroma/web/activity_pub/transmogrifier.ex
	+++ b/lib/pleroma/web/activity_pub/transmogrifier.ex
	@@ -1,982 +1,983 @@
	# Pleroma: A lightweight social networking server
	# Copyright © 2017-2019 Pleroma Authors <https://pleroma.social/>
	# SPDX-License-Identifier: AGPL-3.0-only

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

	import Ecto.Query

	require Logger

	def get_actor(%{"actor" => actor}) when is_binary(actor) do
	actor
	end

	def get_actor(%{"actor" => actor}) when is_list(actor) do
	if is_binary(Enum.at(actor, 0)) do
	Enum.at(actor, 0)
	else
	Enum.find(actor, fn %{"type" => type} -> type in ["Person", "Service", "Application"] end)
	\|> Map.get("id")
	end
	end

	def get_actor(%{"actor" => %{"id" => id}}) when is_bitstring(id) do
	id
	end

	def get_actor(%{"actor" => nil, "attributedTo" => actor}) when not is_nil(actor) do
	get_actor(%{"actor" => actor})
	end

	@doc """
	Checks that an imported AP object's actor matches the domain it came from.
	"""
	def contain_origin(_id, %{"actor" => nil}), do: :error

	def contain_origin(id, %{"actor" => _actor} = params) do
	id_uri = URI.parse(id)
	actor_uri = URI.parse(get_actor(params))

	if id_uri.host == actor_uri.host do
	:ok
	else
	:error
	end
	end

	def contain_origin_from_id(_id, %{"id" => nil}), do: :error

	def contain_origin_from_id(id, %{"id" => other_id} = _params) do
	id_uri = URI.parse(id)
	other_uri = URI.parse(other_id)

	if id_uri.host == other_uri.host do
	:ok
	else
	:error
	end
	end

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

	def fix_addressing_list(map, field) do
	if is_binary(map[field]) do
	map
	\|> Map.put(field, [map[field]])
	else
	map
	end
	end

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

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

	final_cc =
	(cc ++ explicit_cc)
	\|> Enum.uniq()

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

	def fix_explicit_addressing(object, _explicit_mentions), do: object

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

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

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

	object
	\|> fix_explicit_addressing(explicit_mentions)
	end

	def fix_addressing(object) do
	object
	\|> fix_addressing_list("to")
	\|> fix_addressing_list("cc")
	\|> fix_addressing_list("bto")
	\|> fix_addressing_list("bcc")
	\|> fix_explicit_addressing
	end

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

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

	def fix_likes(object) do
	object
	end

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

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

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

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

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

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

	def fix_in_reply_to(object), do: object

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

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

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

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

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

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

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

	def fix_attachments(object), do: object

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

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

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

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

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

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

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

	def fix_url(object), do: object

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

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

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

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

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

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

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

	def fix_emoji(object), do: object

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

	combined = tag ++ tags

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

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

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

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

	def fix_tag(object), do: object

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

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

	def fix_content_map(object), do: object

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

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

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

	_ ->
	{:error, nil}
	end
	end

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

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

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

	with nil <- Activity.get_create_by_object_ap_id(object["id"]),
	%User{} = user <- User.get_or_fetch_by_ap_id(data["actor"]) do
	object = fix_object(data["object"])

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

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

	def handle_incoming(
	%{"type" => "Follow", "object" => followed, "actor" => follower, "id" => id} = data
	) do
	with %User{local: true} = followed <- User.get_cached_by_ap_id(followed),
	%User{} = follower <- User.get_or_fetch_by_ap_id(follower),
	{:ok, activity} <- ActivityPub.follow(follower, followed, id, false) do
	if not User.locked?(followed) do
	ActivityPub.accept(%{
	to: [follower.ap_id],
	actor: followed,
	object: data,
	local: true
	})

	User.follow(follower, followed)
	end

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

	def handle_incoming(
	%{"type" => "Accept", "object" => follow_object, "actor" => _actor, "id" => _id} = data
	) do
	with actor <- get_actor(data),
	%User{} = followed <- User.get_or_fetch_by_ap_id(actor),
	{:ok, follow_activity} <- get_follow_activity(follow_object, followed),
	{:ok, follow_activity} <- Utils.update_follow_state(follow_activity, "accept"),
	%User{local: true} = follower <- User.get_cached_by_ap_id(follow_activity.data["actor"]),
	{:ok, activity} <-
	ActivityPub.accept(%{
	to: follow_activity.data["to"],
	type: "Accept",
	actor: followed,
	object: follow_activity.data["id"],
	local: false
	}) do
	if not User.following?(follower, followed) do
	{:ok, _follower} = User.follow(follower, followed)
	end

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

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

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

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

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

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

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

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

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

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

	# TODO: We presently assume that any actor on the same origin domain as the object being
	# deleted has the rights to delete that object. A better way to validate whether or not
	# the object should be deleted is to refetch the object URI, which should return either
	# an error or a tombstone. This would allow us to verify that a deletion actually took
	# place.
	def handle_incoming(
	%{"type" => "Delete", "object" => object_id, "actor" => _actor, "id" => _id} = data
	) do
	object_id = Utils.get_ap_id(object_id)

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

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

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

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

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

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

	def handle_incoming(_), do: :error

	def fetch_obj_helper(id) when is_bitstring(id), do: ActivityPub.fetch_object_from_id(id)
	def fetch_obj_helper(obj) when is_map(obj), do: ActivityPub.fetch_object_from_id(obj["id"])

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

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

	def set_reply_to_uri(obj), do: obj

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

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

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

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

	{:ok, data}
	end

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

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

	{:ok, data}
	end
	end

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

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

	{:ok, data}
	end
	end

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

	{:ok, data}
	end

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

	def add_likes(object) do
	object
	end

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

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

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

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

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

	defp strip_internal_tags(object), do: object

	defp user_upgrade_task(user) do
	old_follower_address = User.ap_followers(user)

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

	Repo.update_all(q, [])

	maybe_retire_websub(user.ap_id)

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

	Repo.update_all(q, [])
	end

	def upgrade_user_from_ap_id(ap_id, async \\ true) do
	with %User{local: false} = user <- User.get_by_ap_id(ap_id),
	{:ok, data} <- ActivityPub.fetch_and_prepare_user_from_ap_id(ap_id) do
	already_ap = User.ap_enabled?(user)

	{:ok, user} =
	User.upgrade_changeset(user, data)
	\|> Repo.update()

	if !already_ap do
	# This could potentially take a long time, do it in the background
	if async do
	Task.start(fn ->
	user_upgrade_task(user)
	end)
	else
	user_upgrade_task(user)
	end
	end

	{:ok, user}
	else
	e -> e
	end
	end

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

	Repo.delete_all(q)
	end
	end

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

	def maybe_fix_user_object(data) do
	data
	\|> maybe_fix_user_url
	end
	end
	diff --git a/lib/pleroma/web/activity_pub/visibility.ex b/lib/pleroma/web/activity_pub/visibility.ex
	new file mode 100644
	index 000000000..db52fe933
	--- /dev/null
	+++ b/lib/pleroma/web/activity_pub/visibility.ex
	@@ -0,0 +1,56 @@
	+defmodule Pleroma.Web.ActivityPub.Visibility do
	+ alias Pleroma.Activity
	+ alias Pleroma.Object
	+ alias Pleroma.User
	+
	+ def is_public?(%Object{data: %{"type" => "Tombstone"}}), do: false
	+ def is_public?(%Object{data: data}), do: is_public?(data)
	+ def is_public?(%Activity{data: data}), do: is_public?(data)
	+ def is_public?(%{"directMessage" => true}), do: false
	+
	+ def is_public?(data) do
	+ "https://www.w3.org/ns/activitystreams#Public" in (data["to"] ++ (data["cc"] \|\| []))
	+ end
	+
	+ def is_private?(activity) do
	+ unless is_public?(activity) do
	+ follower_address = User.get_cached_by_ap_id(activity.data["actor"]).follower_address
	+ Enum.any?(activity.data["to"], &(&1 == follower_address))
	+ else
	+ false
	+ end
	+ end
	+
	+ def is_direct?(%Activity{data: %{"directMessage" => true}}), do: true
	+ def is_direct?(%Object{data: %{"directMessage" => true}}), do: true
	+
	+ def is_direct?(activity) do
	+ !is_public?(activity) && !is_private?(activity)
	+ end
	+
	+ def visible_for_user?(activity, nil) do
	+ is_public?(activity)
	+ end
	+
	+ def visible_for_user?(activity, user) do
	+ x = [user.ap_id \| user.following]
	+ y = [activity.actor] ++ activity.data["to"] ++ (activity.data["cc"] \|\| [])
	+ visible_for_user?(activity, nil) \|\| Enum.any?(x, &(&1 in y))
	+ end
	+
	+ # guard
	+ def entire_thread_visible_for_user?(nil, _user), do: false
	+
	+ # child
	+ def entire_thread_visible_for_user?(
	+ %Activity{data: %{"object" => %{"inReplyTo" => parent_id}}} = tail,
	+ user
	+ )
	+ when is_binary(parent_id) do
	+ parent = Activity.get_in_reply_to_activity(tail)
	+ visible_for_user?(tail, user) && entire_thread_visible_for_user?(parent, user)
	+ end
	+
	+ # root
	+ def entire_thread_visible_for_user?(tail, user), do: visible_for_user?(tail, user)
	+end
	diff --git a/lib/pleroma/web/federator/federator.ex b/lib/pleroma/web/federator/federator.ex
	index d4e2a9742..fbfe97dbc 100644
	--- a/lib/pleroma/web/federator/federator.ex
	+++ b/lib/pleroma/web/federator/federator.ex
	@@ -1,196 +1,197 @@
	# Pleroma: A lightweight social networking server
	# Copyright © 2017-2019 Pleroma Authors <https://pleroma.social/>
	# SPDX-License-Identifier: AGPL-3.0-only

	defmodule Pleroma.Web.Federator do
	alias Pleroma.Activity
	alias Pleroma.User
	alias Pleroma.Web.WebFinger
	alias Pleroma.Web.Websub
	alias Pleroma.Web.Salmon
	alias Pleroma.Web.ActivityPub.ActivityPub
	+ alias Pleroma.Web.ActivityPub.Visibility
	alias Pleroma.Web.ActivityPub.Relay
	alias Pleroma.Web.ActivityPub.Transmogrifier
	alias Pleroma.Web.ActivityPub.Utils
	alias Pleroma.Web.Federator.RetryQueue
	alias Pleroma.Web.OStatus
	alias Pleroma.Jobs

	require Logger

	@websub Application.get_env(:pleroma, :websub)
	@ostatus Application.get_env(:pleroma, :ostatus)

	def init() do
	# 1 minute
	Process.sleep(1000 * 60 * 1)
	refresh_subscriptions()
	end

	# Client API

	def incoming_doc(doc) do
	Jobs.enqueue(:federator_incoming, __MODULE__, [:incoming_doc, doc])
	end

	def incoming_ap_doc(params) do
	Jobs.enqueue(:federator_incoming, __MODULE__, [:incoming_ap_doc, params])
	end

	def publish(activity, priority \\ 1) do
	Jobs.enqueue(:federator_outgoing, __MODULE__, [:publish, activity], priority)
	end

	def publish_single_ap(params) do
	Jobs.enqueue(:federator_outgoing, __MODULE__, [:publish_single_ap, params])
	end

	def publish_single_websub(websub) do
	Jobs.enqueue(:federator_outgoing, __MODULE__, [:publish_single_websub, websub])
	end

	def verify_websub(websub) do
	Jobs.enqueue(:federator_outgoing, __MODULE__, [:verify_websub, websub])
	end

	def request_subscription(sub) do
	Jobs.enqueue(:federator_outgoing, __MODULE__, [:request_subscription, sub])
	end

	def refresh_subscriptions() do
	Jobs.enqueue(:federator_outgoing, __MODULE__, [:refresh_subscriptions])
	end

	def publish_single_salmon(params) do
	Jobs.enqueue(:federator_outgoing, __MODULE__, [:publish_single_salmon, params])
	end

	# Job Worker Callbacks

	def perform(:refresh_subscriptions) do
	Logger.debug("Federator running refresh subscriptions")
	Websub.refresh_subscriptions()

	spawn(fn ->
	# 6 hours
	Process.sleep(1000 * 60 * 60 * 6)
	refresh_subscriptions()
	end)
	end

	def perform(:request_subscription, websub) do
	Logger.debug("Refreshing #{websub.topic}")

	with {:ok, websub} <- Websub.request_subscription(websub) do
	Logger.debug("Successfully refreshed #{websub.topic}")
	else
	_e -> Logger.debug("Couldn't refresh #{websub.topic}")
	end
	end

	def perform(:publish, activity) do
	Logger.debug(fn -> "Running publish for #{activity.data["id"]}" end)

	with actor when not is_nil(actor) <- User.get_cached_by_ap_id(activity.data["actor"]) do
	{:ok, actor} = WebFinger.ensure_keys_present(actor)

	- if ActivityPub.is_public?(activity) do
	+ if Visibility.is_public?(activity) do
	if OStatus.is_representable?(activity) do
	Logger.info(fn -> "Sending #{activity.data["id"]} out via WebSub" end)
	Websub.publish(Pleroma.Web.OStatus.feed_path(actor), actor, activity)

	Logger.info(fn -> "Sending #{activity.data["id"]} out via Salmon" end)
	Pleroma.Web.Salmon.publish(actor, activity)
	end

	if Keyword.get(Application.get_env(:pleroma, :instance), :allow_relay) do
	Logger.info(fn -> "Relaying #{activity.data["id"]} out" end)
	Relay.publish(activity)
	end
	end

	Logger.info(fn -> "Sending #{activity.data["id"]} out via AP" end)
	Pleroma.Web.ActivityPub.ActivityPub.publish(actor, activity)
	end
	end

	def perform(:verify_websub, websub) do
	Logger.debug(fn ->
	"Running WebSub verification for #{websub.id} (#{websub.topic}, #{websub.callback})"
	end)

	@websub.verify(websub)
	end

	def perform(:incoming_doc, doc) do
	Logger.info("Got document, trying to parse")
	@ostatus.handle_incoming(doc)
	end

	def perform(:incoming_ap_doc, params) do
	Logger.info("Handling incoming AP activity")

	params = Utils.normalize_params(params)

	# NOTE: we use the actor ID to do the containment, this is fine because an
	# actor shouldn't be acting on objects outside their own AP server.
	with {:ok, _user} <- ap_enabled_actor(params["actor"]),
	nil <- Activity.normalize(params["id"]),
	:ok <- Transmogrifier.contain_origin_from_id(params["actor"], params),
	{:ok, activity} <- Transmogrifier.handle_incoming(params) do
	{:ok, activity}
	else
	%Activity{} ->
	Logger.info("Already had #{params["id"]}")
	:error

	_e ->
	# Just drop those for now
	Logger.info("Unhandled activity")
	Logger.info(Poison.encode!(params, pretty: 2))
	:error
	end
	end

	def perform(:publish_single_salmon, params) do
	Salmon.send_to_user(params)
	end

	def perform(:publish_single_ap, params) do
	case ActivityPub.publish_one(params) do
	{:ok, _} ->
	:ok

	{:error, _} ->
	RetryQueue.enqueue(params, ActivityPub)
	end
	end

	def perform(
	:publish_single_websub,
	%{xml: _xml, topic: _topic, callback: _callback, secret: _secret} = params
	) do
	case Websub.publish_one(params) do
	{:ok, _} ->
	:ok

	{:error, _} ->
	RetryQueue.enqueue(params, Websub)
	end
	end

	def perform(type, _) do
	Logger.debug(fn -> "Unknown task: #{type}" end)
	{:error, "Don't know what to do with this"}
	end

	def ap_enabled_actor(id) do
	user = User.get_by_ap_id(id)

	if User.ap_enabled?(user) do
	{:ok, user}
	else
	ActivityPub.make_user_from_ap_id(id)
	end
	end
	end
	diff --git a/lib/pleroma/web/mastodon_api/mastodon_api_controller.ex b/lib/pleroma/web/mastodon_api/mastodon_api_controller.ex
	index 60738301b..12987442a 100644
	--- a/lib/pleroma/web/mastodon_api/mastodon_api_controller.ex
	+++ b/lib/pleroma/web/mastodon_api/mastodon_api_controller.ex
	@@ -1,1573 +1,1574 @@
	# Pleroma: A lightweight social networking server
	# Copyright © 2017-2019 Pleroma Authors <https://pleroma.social/>
	# SPDX-License-Identifier: AGPL-3.0-only

	defmodule Pleroma.Web.MastodonAPI.MastodonAPIController do
	use Pleroma.Web, :controller
	alias Pleroma.Activity
	alias Pleroma.Config
	alias Pleroma.Filter
	alias Pleroma.Notification
	alias Pleroma.Object
	alias Pleroma.Repo
	alias Pleroma.Stats
	alias Pleroma.User
	alias Pleroma.Web
	alias Pleroma.Web.CommonAPI
	alias Pleroma.Web.MediaProxy
	alias Pleroma.Web.Push
	alias Push.Subscription

	alias Pleroma.Web.MastodonAPI.AccountView
	alias Pleroma.Web.MastodonAPI.FilterView
	alias Pleroma.Web.MastodonAPI.ListView
	alias Pleroma.Web.MastodonAPI.MastodonView
	alias Pleroma.Web.MastodonAPI.PushSubscriptionView
	alias Pleroma.Web.MastodonAPI.StatusView
	alias Pleroma.Web.MastodonAPI.ReportView
	alias Pleroma.Web.ActivityPub.ActivityPub
	alias Pleroma.Web.ActivityPub.Utils
	+ alias Pleroma.Web.ActivityPub.Visibility
	alias Pleroma.Web.OAuth.App
	alias Pleroma.Web.OAuth.Authorization
	alias Pleroma.Web.OAuth.Token

	import Pleroma.Web.ControllerHelper, only: [oauth_scopes: 2]
	import Ecto.Query

	require Logger

	@httpoison Application.get_env(:pleroma, :httpoison)
	@local_mastodon_name "Mastodon-Local"

	action_fallback(:errors)

	def create_app(conn, params) do
	scopes = oauth_scopes(params, ["read"])

	app_attrs =
	params
	\|> Map.drop(["scope", "scopes"])
	\|> Map.put("scopes", scopes)

	with cs <- App.register_changeset(%App{}, app_attrs),
	false <- cs.changes[:client_name] == @local_mastodon_name,
	{:ok, app} <- Repo.insert(cs) do
	res = %{
	id: app.id \|> to_string,
	name: app.client_name,
	client_id: app.client_id,
	client_secret: app.client_secret,
	redirect_uri: app.redirect_uris,
	website: app.website
	}

	json(conn, res)
	end
	end

	defp add_if_present(
	map,
	params,
	params_field,
	map_field,
	value_function \\ fn x -> {:ok, x} end
	) do
	if Map.has_key?(params, params_field) do
	case value_function.(params[params_field]) do
	{:ok, new_value} -> Map.put(map, map_field, new_value)
	:error -> map
	end
	else
	map
	end
	end

	def update_credentials(%{assigns: %{user: user}} = conn, params) do
	original_user = user

	user_params =
	%{}
	\|> add_if_present(params, "display_name", :name)
	\|> add_if_present(params, "note", :bio, fn value -> {:ok, User.parse_bio(value)} end)
	\|> add_if_present(params, "avatar", :avatar, fn value ->
	with %Plug.Upload{} <- value,
	{:ok, object} <- ActivityPub.upload(value, type: :avatar) do
	{:ok, object.data}
	else
	_ -> :error
	end
	end)

	info_params =
	%{}
	\|> add_if_present(params, "locked", :locked, fn value -> {:ok, value == "true"} end)
	\|> add_if_present(params, "header", :banner, fn value ->
	with %Plug.Upload{} <- value,
	{:ok, object} <- ActivityPub.upload(value, type: :banner) do
	{:ok, object.data}
	else
	_ -> :error
	end
	end)

	info_cng = User.Info.mastodon_profile_update(user.info, info_params)

	with changeset <- User.update_changeset(user, user_params),
	changeset <- Ecto.Changeset.put_embed(changeset, :info, info_cng),
	{:ok, user} <- User.update_and_set_cache(changeset) do
	if original_user != user do
	CommonAPI.update(user)
	end

	json(conn, AccountView.render("account.json", %{user: user, for: user}))
	else
	_e ->
	conn
	\|> put_status(403)
	\|> json(%{error: "Invalid request"})
	end
	end

	def verify_credentials(%{assigns: %{user: user}} = conn, _) do
	account = AccountView.render("account.json", %{user: user, for: user})
	json(conn, account)
	end

	def user(%{assigns: %{user: for_user}} = conn, %{"id" => id}) do
	with %User{} = user <- Repo.get(User, id),
	true <- User.auth_active?(user) \|\| user.id == for_user.id \|\| User.superuser?(for_user) do
	account = AccountView.render("account.json", %{user: user, for: for_user})
	json(conn, account)
	else
	_e ->
	conn
	\|> put_status(404)
	\|> json(%{error: "Can't find user"})
	end
	end

	@mastodon_api_level "2.5.0"

	def masto_instance(conn, _params) do
	instance = Config.get(:instance)

	response = %{
	uri: Web.base_url(),
	title: Keyword.get(instance, :name),
	description: Keyword.get(instance, :description),
	version: "#{@mastodon_api_level} (compatible; #{Pleroma.Application.named_version()})",
	email: Keyword.get(instance, :email),
	urls: %{
	streaming_api: Pleroma.Web.Endpoint.websocket_url()
	},
	stats: Stats.get_stats(),
	thumbnail: Web.base_url() <> "/instance/thumbnail.jpeg",
	max_toot_chars: Keyword.get(instance, :limit)
	}

	json(conn, response)
	end

	def peers(conn, _params) do
	json(conn, Stats.get_peers())
	end

	defp mastodonized_emoji do
	Pleroma.Emoji.get_all()
	\|> Enum.map(fn {shortcode, relative_url} ->
	url = to_string(URI.merge(Web.base_url(), relative_url))

	%{
	"shortcode" => shortcode,
	"static_url" => url,
	"visible_in_picker" => true,
	"url" => url
	}
	end)
	end

	def custom_emojis(conn, _params) do
	mastodon_emoji = mastodonized_emoji()
	json(conn, mastodon_emoji)
	end

	defp add_link_headers(conn, method, activities, param \\ nil, params \\ %{}) do
	last = List.last(activities)
	first = List.first(activities)

	if last do
	min = last.id
	max = first.id

	{next_url, prev_url} =
	if param do
	{
	mastodon_api_url(
	Pleroma.Web.Endpoint,
	method,
	param,
	Map.merge(params, %{max_id: min})
	),
	mastodon_api_url(
	Pleroma.Web.Endpoint,
	method,
	param,
	Map.merge(params, %{since_id: max})
	)
	}
	else
	{
	mastodon_api_url(
	Pleroma.Web.Endpoint,
	method,
	Map.merge(params, %{max_id: min})
	),
	mastodon_api_url(
	Pleroma.Web.Endpoint,
	method,
	Map.merge(params, %{since_id: max})
	)
	}
	end

	conn
	\|> put_resp_header("link", "<#{next_url}>; rel=\"next\", <#{prev_url}>; rel=\"prev\"")
	else
	conn
	end
	end

	def home_timeline(%{assigns: %{user: user}} = conn, params) do
	params =
	params
	\|> Map.put("type", ["Create", "Announce"])
	\|> Map.put("blocking_user", user)
	\|> Map.put("muting_user", user)
	\|> Map.put("user", user)

	activities =
	[user.ap_id \| user.following]
	\|> ActivityPub.fetch_activities(params)
	\|> ActivityPub.contain_timeline(user)
	\|> Enum.reverse()

	conn
	\|> add_link_headers(:home_timeline, activities)
	\|> put_view(StatusView)
	\|> render("index.json", %{activities: activities, for: user, as: :activity})
	end

	def public_timeline(%{assigns: %{user: user}} = conn, params) do
	local_only = params["local"] in [true, "True", "true", "1"]

	activities =
	params
	\|> Map.put("type", ["Create", "Announce"])
	\|> Map.put("local_only", local_only)
	\|> Map.put("blocking_user", user)
	\|> Map.put("muting_user", user)
	\|> ActivityPub.fetch_public_activities()
	\|> Enum.reverse()

	conn
	\|> add_link_headers(:public_timeline, activities, false, %{"local" => local_only})
	\|> put_view(StatusView)
	\|> render("index.json", %{activities: activities, for: user, as: :activity})
	end

	def user_statuses(%{assigns: %{user: reading_user}} = conn, params) do
	with %User{} = user <- Repo.get(User, params["id"]) do
	activities = ActivityPub.fetch_user_activities(user, reading_user, params)

	conn
	\|> add_link_headers(:user_statuses, activities, params["id"])
	\|> put_view(StatusView)
	\|> render("index.json", %{
	activities: activities,
	for: reading_user,
	as: :activity
	})
	end
	end

	def dm_timeline(%{assigns: %{user: user}} = conn, params) do
	query =
	ActivityPub.fetch_activities_query(
	[user.ap_id],
	Map.merge(params, %{"type" => "Create", visibility: "direct"})
	)

	activities = Repo.all(query)

	conn
	\|> add_link_headers(:dm_timeline, activities)
	\|> put_view(StatusView)
	\|> render("index.json", %{activities: activities, for: user, as: :activity})
	end

	def get_status(%{assigns: %{user: user}} = conn, %{"id" => id}) do
	with %Activity{} = activity <- Repo.get(Activity, id),
	- true <- ActivityPub.visible_for_user?(activity, user) do
	+ true <- Visibility.visible_for_user?(activity, user) do
	conn
	\|> put_view(StatusView)
	\|> try_render("status.json", %{activity: activity, for: user})
	end
	end

	def get_context(%{assigns: %{user: user}} = conn, %{"id" => id}) do
	with %Activity{} = activity <- Repo.get(Activity, id),
	activities <-
	ActivityPub.fetch_activities_for_context(activity.data["context"], %{
	"blocking_user" => user,
	"user" => user
	}),
	activities <-
	activities \|> Enum.filter(fn %{id: aid} -> to_string(aid) != to_string(id) end),
	activities <-
	activities \|> Enum.filter(fn %{data: %{"type" => type}} -> type == "Create" end),
	grouped_activities <- Enum.group_by(activities, fn %{id: id} -> id < activity.id end) do
	result = %{
	ancestors:
	StatusView.render(
	"index.json",
	for: user,
	activities: grouped_activities[true] \|\| [],
	as: :activity
	)
	\|> Enum.reverse(),
	# credo:disable-for-previous-line Credo.Check.Refactor.PipeChainStart
	descendants:
	StatusView.render(
	"index.json",
	for: user,
	activities: grouped_activities[false] \|\| [],
	as: :activity
	)
	\|> Enum.reverse()
	# credo:disable-for-previous-line Credo.Check.Refactor.PipeChainStart
	}

	json(conn, result)
	end
	end

	def post_status(conn, %{"status" => "", "media_ids" => media_ids} = params)
	when length(media_ids) > 0 do
	params =
	params
	\|> Map.put("status", ".")

	post_status(conn, params)
	end

	def post_status(%{assigns: %{user: user}} = conn, %{"status" => _} = params) do
	params =
	params
	\|> Map.put("in_reply_to_status_id", params["in_reply_to_id"])

	idempotency_key =
	case get_req_header(conn, "idempotency-key") do
	[key] -> key
	_ -> Ecto.UUID.generate()
	end

	{:ok, activity} =
	Cachex.fetch!(:idempotency_cache, idempotency_key, fn _ -> CommonAPI.post(user, params) end)

	conn
	\|> put_view(StatusView)
	\|> try_render("status.json", %{activity: activity, for: user, as: :activity})
	end

	def delete_status(%{assigns: %{user: user}} = conn, %{"id" => id}) do
	with {:ok, %Activity{}} <- CommonAPI.delete(id, user) do
	json(conn, %{})
	else
	_e ->
	conn
	\|> put_status(403)
	\|> json(%{error: "Can't delete this post"})
	end
	end

	def reblog_status(%{assigns: %{user: user}} = conn, %{"id" => ap_id_or_id}) do
	with {:ok, announce, _activity} <- CommonAPI.repeat(ap_id_or_id, user) do
	conn
	\|> put_view(StatusView)
	\|> try_render("status.json", %{activity: announce, for: user, as: :activity})
	end
	end

	def unreblog_status(%{assigns: %{user: user}} = conn, %{"id" => ap_id_or_id}) do
	with {:ok, _unannounce, %{data: %{"id" => id}}} <- CommonAPI.unrepeat(ap_id_or_id, user),
	%Activity{} = activity <- Activity.get_create_by_object_ap_id(id) do
	conn
	\|> put_view(StatusView)
	\|> try_render("status.json", %{activity: activity, for: user, as: :activity})
	end
	end

	def fav_status(%{assigns: %{user: user}} = conn, %{"id" => ap_id_or_id}) do
	with {:ok, _fav, %{data: %{"id" => id}}} <- CommonAPI.favorite(ap_id_or_id, user),
	%Activity{} = activity <- Activity.get_create_by_object_ap_id(id) do
	conn
	\|> put_view(StatusView)
	\|> try_render("status.json", %{activity: activity, for: user, as: :activity})
	end
	end

	def unfav_status(%{assigns: %{user: user}} = conn, %{"id" => ap_id_or_id}) do
	with {:ok, _, _, %{data: %{"id" => id}}} <- CommonAPI.unfavorite(ap_id_or_id, user),
	%Activity{} = activity <- Activity.get_create_by_object_ap_id(id) do
	conn
	\|> put_view(StatusView)
	\|> try_render("status.json", %{activity: activity, for: user, as: :activity})
	end
	end

	def pin_status(%{assigns: %{user: user}} = conn, %{"id" => ap_id_or_id}) do
	with {:ok, activity} <- CommonAPI.pin(ap_id_or_id, user) do
	conn
	\|> put_view(StatusView)
	\|> try_render("status.json", %{activity: activity, for: user, as: :activity})
	else
	{:error, reason} ->
	conn
	\|> put_resp_content_type("application/json")
	\|> send_resp(:bad_request, Jason.encode!(%{"error" => reason}))
	end
	end

	def unpin_status(%{assigns: %{user: user}} = conn, %{"id" => ap_id_or_id}) do
	with {:ok, activity} <- CommonAPI.unpin(ap_id_or_id, user) do
	conn
	\|> put_view(StatusView)
	\|> try_render("status.json", %{activity: activity, for: user, as: :activity})
	end
	end

	def bookmark_status(%{assigns: %{user: user}} = conn, %{"id" => id}) do
	with %Activity{} = activity <- Repo.get(Activity, id),
	%User{} = user <- User.get_by_nickname(user.nickname),
	- true <- ActivityPub.visible_for_user?(activity, user),
	+ true <- Visibility.visible_for_user?(activity, user),
	{:ok, user} <- User.bookmark(user, activity.data["object"]["id"]) do
	conn
	\|> put_view(StatusView)
	\|> try_render("status.json", %{activity: activity, for: user, as: :activity})
	end
	end

	def unbookmark_status(%{assigns: %{user: user}} = conn, %{"id" => id}) do
	with %Activity{} = activity <- Repo.get(Activity, id),
	%User{} = user <- User.get_by_nickname(user.nickname),
	- true <- ActivityPub.visible_for_user?(activity, user),
	+ true <- Visibility.visible_for_user?(activity, user),
	{:ok, user} <- User.unbookmark(user, activity.data["object"]["id"]) do
	conn
	\|> put_view(StatusView)
	\|> try_render("status.json", %{activity: activity, for: user, as: :activity})
	end
	end

	def mute_conversation(%{assigns: %{user: user}} = conn, %{"id" => id}) do
	activity = Activity.get_by_id(id)

	with {:ok, activity} <- CommonAPI.add_mute(user, activity) do
	conn
	\|> put_view(StatusView)
	\|> try_render("status.json", %{activity: activity, for: user, as: :activity})
	else
	{:error, reason} ->
	conn
	\|> put_resp_content_type("application/json")
	\|> send_resp(:bad_request, Jason.encode!(%{"error" => reason}))
	end
	end

	def unmute_conversation(%{assigns: %{user: user}} = conn, %{"id" => id}) do
	activity = Activity.get_by_id(id)

	with {:ok, activity} <- CommonAPI.remove_mute(user, activity) do
	conn
	\|> put_view(StatusView)
	\|> try_render("status.json", %{activity: activity, for: user, as: :activity})
	end
	end

	def notifications(%{assigns: %{user: user}} = conn, params) do
	notifications = Notification.for_user(user, params)

	result =
	notifications
	\|> Enum.map(fn x -> render_notification(user, x) end)
	\|> Enum.filter(& &1)

	conn
	\|> add_link_headers(:notifications, notifications)
	\|> json(result)
	end

	def get_notification(%{assigns: %{user: user}} = conn, %{"id" => id} = _params) do
	with {:ok, notification} <- Notification.get(user, id) do
	json(conn, render_notification(user, notification))
	else
	{:error, reason} ->
	conn
	\|> put_resp_content_type("application/json")
	\|> send_resp(403, Jason.encode!(%{"error" => reason}))
	end
	end

	def clear_notifications(%{assigns: %{user: user}} = conn, _params) do
	Notification.clear(user)
	json(conn, %{})
	end

	def dismiss_notification(%{assigns: %{user: user}} = conn, %{"id" => id} = _params) do
	with {:ok, _notif} <- Notification.dismiss(user, id) do
	json(conn, %{})
	else
	{:error, reason} ->
	conn
	\|> put_resp_content_type("application/json")
	\|> send_resp(403, Jason.encode!(%{"error" => reason}))
	end
	end

	def relationships(%{assigns: %{user: user}} = conn, %{"id" => id}) do
	id = List.wrap(id)
	q = from(u in User, where: u.id in ^id)
	targets = Repo.all(q)

	conn
	\|> put_view(AccountView)
	\|> render("relationships.json", %{user: user, targets: targets})
	end

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

	def update_media(%{assigns: %{user: user}} = conn, data) do
	with %Object{} = object <- Repo.get(Object, data["id"]),
	true <- Object.authorize_mutation(object, user),
	true <- is_binary(data["description"]),
	description <- data["description"] do
	new_data = %{object.data \| "name" => description}

	{:ok, _} =
	object
	\|> Object.change(%{data: new_data})
	\|> Repo.update()

	attachment_data = Map.put(new_data, "id", object.id)

	conn
	\|> put_view(StatusView)
	\|> render("attachment.json", %{attachment: attachment_data})
	end
	end

	def upload(%{assigns: %{user: user}} = conn, %{"file" => file} = data) do
	with {:ok, object} <-
	ActivityPub.upload(
	file,
	actor: User.ap_id(user),
	description: Map.get(data, "description")
	) do
	attachment_data = Map.put(object.data, "id", object.id)

	conn
	\|> put_view(StatusView)
	\|> render("attachment.json", %{attachment: attachment_data})
	end
	end

	def favourited_by(conn, %{"id" => id}) do
	with %Activity{data: %{"object" => %{"likes" => likes}}} <- Repo.get(Activity, id) do
	q = from(u in User, where: u.ap_id in ^likes)
	users = Repo.all(q)

	conn
	\|> put_view(AccountView)
	\|> render(AccountView, "accounts.json", %{users: users, as: :user})
	else
	_ -> json(conn, [])
	end
	end

	def reblogged_by(conn, %{"id" => id}) do
	with %Activity{data: %{"object" => %{"announcements" => announces}}} <- Repo.get(Activity, id) do
	q = from(u in User, where: u.ap_id in ^announces)
	users = Repo.all(q)

	conn
	\|> put_view(AccountView)
	\|> render("accounts.json", %{users: users, as: :user})
	else
	_ -> json(conn, [])
	end
	end

	def hashtag_timeline(%{assigns: %{user: user}} = conn, params) do
	local_only = params["local"] in [true, "True", "true", "1"]

	tags =
	[params["tag"], params["any"]]
	\|> List.flatten()
	\|> Enum.uniq()
	\|> Enum.filter(& &1)
	\|> Enum.map(&String.downcase(&1))

	tag_all =
	params["all"] \|\|
	[]
	\|> Enum.map(&String.downcase(&1))

	tag_reject =
	params["none"] \|\|
	[]
	\|> Enum.map(&String.downcase(&1))

	activities =
	params
	\|> Map.put("type", "Create")
	\|> Map.put("local_only", local_only)
	\|> Map.put("blocking_user", user)
	\|> Map.put("muting_user", user)
	\|> Map.put("tag", tags)
	\|> Map.put("tag_all", tag_all)
	\|> Map.put("tag_reject", tag_reject)
	\|> ActivityPub.fetch_public_activities()
	\|> Enum.reverse()

	conn
	\|> add_link_headers(:hashtag_timeline, activities, params["tag"], %{"local" => local_only})
	\|> put_view(StatusView)
	\|> render("index.json", %{activities: activities, for: user, as: :activity})
	end

	def followers(%{assigns: %{user: for_user}} = conn, %{"id" => id}) do
	with %User{} = user <- Repo.get(User, id),
	{:ok, followers} <- User.get_followers(user) do
	followers =
	cond do
	for_user && user.id == for_user.id -> followers
	user.info.hide_followers -> []
	true -> followers
	end

	conn
	\|> put_view(AccountView)
	\|> render("accounts.json", %{users: followers, as: :user})
	end
	end

	def following(%{assigns: %{user: for_user}} = conn, %{"id" => id}) do
	with %User{} = user <- Repo.get(User, id),
	{:ok, followers} <- User.get_friends(user) do
	followers =
	cond do
	for_user && user.id == for_user.id -> followers
	user.info.hide_follows -> []
	true -> followers
	end

	conn
	\|> put_view(AccountView)
	\|> render("accounts.json", %{users: followers, as: :user})
	end
	end

	def follow_requests(%{assigns: %{user: followed}} = conn, _params) do
	with {:ok, follow_requests} <- User.get_follow_requests(followed) do
	conn
	\|> put_view(AccountView)
	\|> render("accounts.json", %{users: follow_requests, as: :user})
	end
	end

	def authorize_follow_request(%{assigns: %{user: followed}} = conn, %{"id" => id}) do
	with %User{} = follower <- Repo.get(User, id),
	{:ok, follower} <- User.maybe_follow(follower, followed),
	%Activity{} = follow_activity <- Utils.fetch_latest_follow(follower, followed),
	{:ok, follow_activity} <- Utils.update_follow_state(follow_activity, "accept"),
	{:ok, _activity} <-
	ActivityPub.accept(%{
	to: [follower.ap_id],
	actor: followed,
	object: follow_activity.data["id"],
	type: "Accept"
	}) do
	conn
	\|> put_view(AccountView)
	\|> render("relationship.json", %{user: followed, target: follower})
	else
	{:error, message} ->
	conn
	\|> put_resp_content_type("application/json")
	\|> send_resp(403, Jason.encode!(%{"error" => message}))
	end
	end

	def reject_follow_request(%{assigns: %{user: followed}} = conn, %{"id" => id}) do
	with %User{} = follower <- Repo.get(User, id),
	%Activity{} = follow_activity <- Utils.fetch_latest_follow(follower, followed),
	{:ok, follow_activity} <- Utils.update_follow_state(follow_activity, "reject"),
	{:ok, _activity} <-
	ActivityPub.reject(%{
	to: [follower.ap_id],
	actor: followed,
	object: follow_activity.data["id"],
	type: "Reject"
	}) do
	conn
	\|> put_view(AccountView)
	\|> render("relationship.json", %{user: followed, target: follower})
	else
	{:error, message} ->
	conn
	\|> put_resp_content_type("application/json")
	\|> send_resp(403, Jason.encode!(%{"error" => message}))
	end
	end

	def follow(%{assigns: %{user: follower}} = conn, %{"id" => id}) do
	with %User{} = followed <- Repo.get(User, id),
	{:ok, follower} <- User.maybe_direct_follow(follower, followed),
	{:ok, _activity} <- ActivityPub.follow(follower, followed),
	{:ok, follower, followed} <-
	User.wait_and_refresh(
	Config.get([:activitypub, :follow_handshake_timeout]),
	follower,
	followed
	) do
	conn
	\|> put_view(AccountView)
	\|> render("relationship.json", %{user: follower, target: followed})
	else
	{:error, message} ->
	conn
	\|> put_resp_content_type("application/json")
	\|> send_resp(403, Jason.encode!(%{"error" => message}))
	end
	end

	def follow(%{assigns: %{user: follower}} = conn, %{"uri" => uri}) do
	with %User{} = followed <- Repo.get_by(User, nickname: uri),
	{:ok, follower} <- User.maybe_direct_follow(follower, followed),
	{:ok, _activity} <- ActivityPub.follow(follower, followed) do
	conn
	\|> put_view(AccountView)
	\|> render("account.json", %{user: followed, for: follower})
	else
	{:error, message} ->
	conn
	\|> put_resp_content_type("application/json")
	\|> send_resp(403, Jason.encode!(%{"error" => message}))
	end
	end

	def unfollow(%{assigns: %{user: follower}} = conn, %{"id" => id}) do
	with %User{} = followed <- Repo.get(User, id),
	{:ok, _activity} <- ActivityPub.unfollow(follower, followed),
	{:ok, follower, _} <- User.unfollow(follower, followed) do
	conn
	\|> put_view(AccountView)
	\|> render("relationship.json", %{user: follower, target: followed})
	end
	end

	def mute(%{assigns: %{user: muter}} = conn, %{"id" => id}) do
	with %User{} = muted <- Repo.get(User, id),
	{:ok, muter} <- User.mute(muter, muted) do
	conn
	\|> put_view(AccountView)
	\|> render("relationship.json", %{user: muter, target: muted})
	else
	{:error, message} ->
	conn
	\|> put_resp_content_type("application/json")
	\|> send_resp(403, Jason.encode!(%{"error" => message}))
	end
	end

	def unmute(%{assigns: %{user: muter}} = conn, %{"id" => id}) do
	with %User{} = muted <- Repo.get(User, id),
	{:ok, muter} <- User.unmute(muter, muted) do
	conn
	\|> put_view(AccountView)
	\|> render("relationship.json", %{user: muter, target: muted})
	else
	{:error, message} ->
	conn
	\|> put_resp_content_type("application/json")
	\|> send_resp(403, Jason.encode!(%{"error" => message}))
	end
	end

	def mutes(%{assigns: %{user: user}} = conn, _) do
	with muted_accounts <- User.muted_users(user) do
	res = AccountView.render("accounts.json", users: muted_accounts, for: user, as: :user)
	json(conn, res)
	end
	end

	def block(%{assigns: %{user: blocker}} = conn, %{"id" => id}) do
	with %User{} = blocked <- Repo.get(User, id),
	{:ok, blocker} <- User.block(blocker, blocked),
	{:ok, _activity} <- ActivityPub.block(blocker, blocked) do
	conn
	\|> put_view(AccountView)
	\|> render("relationship.json", %{user: blocker, target: blocked})
	else
	{:error, message} ->
	conn
	\|> put_resp_content_type("application/json")
	\|> send_resp(403, Jason.encode!(%{"error" => message}))
	end
	end

	def unblock(%{assigns: %{user: blocker}} = conn, %{"id" => id}) do
	with %User{} = blocked <- Repo.get(User, id),
	{:ok, blocker} <- User.unblock(blocker, blocked),
	{:ok, _activity} <- ActivityPub.unblock(blocker, blocked) do
	conn
	\|> put_view(AccountView)
	\|> render("relationship.json", %{user: blocker, target: blocked})
	else
	{:error, message} ->
	conn
	\|> put_resp_content_type("application/json")
	\|> send_resp(403, Jason.encode!(%{"error" => message}))
	end
	end

	def blocks(%{assigns: %{user: user}} = conn, _) do
	with blocked_accounts <- User.blocked_users(user) do
	res = AccountView.render("accounts.json", users: blocked_accounts, for: user, as: :user)
	json(conn, res)
	end
	end

	def domain_blocks(%{assigns: %{user: %{info: info}}} = conn, _) do
	json(conn, info.domain_blocks \|\| [])
	end

	def block_domain(%{assigns: %{user: blocker}} = conn, %{"domain" => domain}) do
	User.block_domain(blocker, domain)
	json(conn, %{})
	end

	def unblock_domain(%{assigns: %{user: blocker}} = conn, %{"domain" => domain}) do
	User.unblock_domain(blocker, domain)
	json(conn, %{})
	end

	def status_search(user, query) do
	fetched =
	if Regex.match?(~r/https?:/, query) do
	with {:ok, object} <- ActivityPub.fetch_object_from_id(query),
	%Activity{} = activity <- Activity.get_create_by_object_ap_id(object.data["id"]),
	- true <- ActivityPub.visible_for_user?(activity, user) do
	+ true <- Visibility.visible_for_user?(activity, user) do
	[activity]
	else
	_e -> []
	end
	end \|\| []

	q =
	from(
	a in Activity,
	where: fragment("?->>'type' = 'Create'", a.data),
	where: "https://www.w3.org/ns/activitystreams#Public" in a.recipients,
	where:
	fragment(
	"to_tsvector('english', ?->'object'->>'content') @@ plainto_tsquery('english', ?)",
	a.data,
	^query
	),
	limit: 20,
	order_by: [desc: :id]
	)

	Repo.all(q) ++ fetched
	end

	def search2(%{assigns: %{user: user}} = conn, %{"q" => query} = params) do
	accounts = User.search(query, params["resolve"] == "true", user)

	statuses = status_search(user, query)

	tags_path = Web.base_url() <> "/tag/"

	tags =
	query
	\|> String.split()
	\|> Enum.uniq()
	\|> Enum.filter(fn tag -> String.starts_with?(tag, "#") end)
	\|> Enum.map(fn tag -> String.slice(tag, 1..-1) end)
	\|> Enum.map(fn tag -> %{name: tag, url: tags_path <> tag} end)

	res = %{
	"accounts" => AccountView.render("accounts.json", users: accounts, for: user, as: :user),
	"statuses" =>
	StatusView.render("index.json", activities: statuses, for: user, as: :activity),
	"hashtags" => tags
	}

	json(conn, res)
	end

	def search(%{assigns: %{user: user}} = conn, %{"q" => query} = params) do
	accounts = User.search(query, params["resolve"] == "true", user)

	statuses = status_search(user, query)

	tags =
	query
	\|> String.split()
	\|> Enum.uniq()
	\|> Enum.filter(fn tag -> String.starts_with?(tag, "#") end)
	\|> Enum.map(fn tag -> String.slice(tag, 1..-1) end)

	res = %{
	"accounts" => AccountView.render("accounts.json", users: accounts, for: user, as: :user),
	"statuses" =>
	StatusView.render("index.json", activities: statuses, for: user, as: :activity),
	"hashtags" => tags
	}

	json(conn, res)
	end

	def account_search(%{assigns: %{user: user}} = conn, %{"q" => query} = params) do
	accounts = User.search(query, params["resolve"] == "true", user)

	res = AccountView.render("accounts.json", users: accounts, for: user, as: :user)

	json(conn, res)
	end

	def favourites(%{assigns: %{user: user}} = conn, params) do
	activities =
	params
	\|> Map.put("type", "Create")
	\|> Map.put("favorited_by", user.ap_id)
	\|> Map.put("blocking_user", user)
	\|> ActivityPub.fetch_public_activities()
	\|> Enum.reverse()

	conn
	\|> add_link_headers(:favourites, activities)
	\|> put_view(StatusView)
	\|> render("index.json", %{activities: activities, for: user, as: :activity})
	end

	def bookmarks(%{assigns: %{user: user}} = conn, _) do
	user = Repo.get(User, user.id)

	activities =
	user.bookmarks
	\|> Enum.map(fn id -> Activity.get_create_by_object_ap_id(id) end)
	\|> Enum.reverse()

	conn
	\|> put_view(StatusView)
	\|> render("index.json", %{activities: activities, for: user, as: :activity})
	end

	def get_lists(%{assigns: %{user: user}} = conn, opts) do
	lists = Pleroma.List.for_user(user, opts)
	res = ListView.render("lists.json", lists: lists)
	json(conn, res)
	end

	def get_list(%{assigns: %{user: user}} = conn, %{"id" => id}) do
	with %Pleroma.List{} = list <- Pleroma.List.get(id, user) do
	res = ListView.render("list.json", list: list)
	json(conn, res)
	else
	_e ->
	conn
	\|> put_status(404)
	\|> json(%{error: "Record not found"})
	end
	end

	def account_lists(%{assigns: %{user: user}} = conn, %{"id" => account_id}) do
	lists = Pleroma.List.get_lists_account_belongs(user, account_id)
	res = ListView.render("lists.json", lists: lists)
	json(conn, res)
	end

	def delete_list(%{assigns: %{user: user}} = conn, %{"id" => id}) do
	with %Pleroma.List{} = list <- Pleroma.List.get(id, user),
	{:ok, _list} <- Pleroma.List.delete(list) do
	json(conn, %{})
	else
	_e ->
	json(conn, "error")
	end
	end

	def create_list(%{assigns: %{user: user}} = conn, %{"title" => title}) do
	with {:ok, %Pleroma.List{} = list} <- Pleroma.List.create(title, user) do
	res = ListView.render("list.json", list: list)
	json(conn, res)
	end
	end

	def add_to_list(%{assigns: %{user: user}} = conn, %{"id" => id, "account_ids" => accounts}) do
	accounts
	\|> Enum.each(fn account_id ->
	with %Pleroma.List{} = list <- Pleroma.List.get(id, user),
	%User{} = followed <- Repo.get(User, account_id) do
	Pleroma.List.follow(list, followed)
	end
	end)

	json(conn, %{})
	end

	def remove_from_list(%{assigns: %{user: user}} = conn, %{"id" => id, "account_ids" => accounts}) do
	accounts
	\|> Enum.each(fn account_id ->
	with %Pleroma.List{} = list <- Pleroma.List.get(id, user),
	%User{} = followed <- Repo.get(Pleroma.User, account_id) do
	Pleroma.List.unfollow(list, followed)
	end
	end)

	json(conn, %{})
	end

	def list_accounts(%{assigns: %{user: user}} = conn, %{"id" => id}) do
	with %Pleroma.List{} = list <- Pleroma.List.get(id, user),
	{:ok, users} = Pleroma.List.get_following(list) do
	conn
	\|> put_view(AccountView)
	\|> render("accounts.json", %{users: users, as: :user})
	end
	end

	def rename_list(%{assigns: %{user: user}} = conn, %{"id" => id, "title" => title}) do
	with %Pleroma.List{} = list <- Pleroma.List.get(id, user),
	{:ok, list} <- Pleroma.List.rename(list, title) do
	res = ListView.render("list.json", list: list)
	json(conn, res)
	else
	_e ->
	json(conn, "error")
	end
	end

	def list_timeline(%{assigns: %{user: user}} = conn, %{"list_id" => id} = params) do
	with %Pleroma.List{title: _title, following: following} <- Pleroma.List.get(id, user) do
	params =
	params
	\|> Map.put("type", "Create")
	\|> Map.put("blocking_user", user)
	\|> Map.put("muting_user", user)

	# we must filter the following list for the user to avoid leaking statuses the user
	# does not actually have permission to see (for more info, peruse security issue #270).
	activities =
	following
	\|> Enum.filter(fn x -> x in user.following end)
	\|> ActivityPub.fetch_activities_bounded(following, params)
	\|> Enum.reverse()

	conn
	\|> put_view(StatusView)
	\|> render("index.json", %{activities: activities, for: user, as: :activity})
	else
	_e ->
	conn
	\|> put_status(403)
	\|> json(%{error: "Error."})
	end
	end

	def index(%{assigns: %{user: user}} = conn, _params) do
	token =
	conn
	\|> get_session(:oauth_token)

	if user && token do
	mastodon_emoji = mastodonized_emoji()

	limit = Config.get([:instance, :limit])

	accounts =
	Map.put(%{}, user.id, AccountView.render("account.json", %{user: user, for: user}))

	flavour = get_user_flavour(user)

	initial_state =
	%{
	meta: %{
	streaming_api_base_url:
	String.replace(Pleroma.Web.Endpoint.static_url(), "http", "ws"),
	access_token: token,
	locale: "en",
	domain: Pleroma.Web.Endpoint.host(),
	admin: "1",
	me: "#{user.id}",
	unfollow_modal: false,
	boost_modal: false,
	delete_modal: true,
	auto_play_gif: false,
	display_sensitive_media: false,
	reduce_motion: false,
	max_toot_chars: limit
	},
	rights: %{
	delete_others_notice: present?(user.info.is_moderator),
	admin: present?(user.info.is_admin)
	},
	compose: %{
	me: "#{user.id}",
	default_privacy: user.info.default_scope,
	default_sensitive: false
	},
	media_attachments: %{
	accept_content_types: [
	".jpg",
	".jpeg",
	".png",
	".gif",
	".webm",
	".mp4",
	".m4v",
	"image\/jpeg",
	"image\/png",
	"image\/gif",
	"video\/webm",
	"video\/mp4"
	]
	},
	settings:
	user.info.settings \|\|
	%{
	onboarded: true,
	home: %{
	shows: %{
	reblog: true,
	reply: true
	}
	},
	notifications: %{
	alerts: %{
	follow: true,
	favourite: true,
	reblog: true,
	mention: true
	},
	shows: %{
	follow: true,
	favourite: true,
	reblog: true,
	mention: true
	},
	sounds: %{
	follow: true,
	favourite: true,
	reblog: true,
	mention: true
	}
	}
	},
	push_subscription: nil,
	accounts: accounts,
	custom_emojis: mastodon_emoji,
	char_limit: limit
	}
	\|> Jason.encode!()

	conn
	\|> put_layout(false)
	\|> put_view(MastodonView)
	\|> render("index.html", %{initial_state: initial_state, flavour: flavour})
	else
	conn
	\|> redirect(to: "/web/login")
	end
	end

	def put_settings(%{assigns: %{user: user}} = conn, %{"data" => settings} = _params) do
	info_cng = User.Info.mastodon_settings_update(user.info, settings)

	with changeset <- Ecto.Changeset.change(user),
	changeset <- Ecto.Changeset.put_embed(changeset, :info, info_cng),
	{:ok, _user} <- User.update_and_set_cache(changeset) do
	json(conn, %{})
	else
	e ->
	conn
	\|> put_resp_content_type("application/json")
	\|> send_resp(500, Jason.encode!(%{"error" => inspect(e)}))
	end
	end

	@supported_flavours ["glitch", "vanilla"]

	def set_flavour(%{assigns: %{user: user}} = conn, %{"flavour" => flavour} = _params)
	when flavour in @supported_flavours do
	flavour_cng = User.Info.mastodon_flavour_update(user.info, flavour)

	with changeset <- Ecto.Changeset.change(user),
	changeset <- Ecto.Changeset.put_embed(changeset, :info, flavour_cng),
	{:ok, user} <- User.update_and_set_cache(changeset),
	flavour <- user.info.flavour do
	json(conn, flavour)
	else
	e ->
	conn
	\|> put_resp_content_type("application/json")
	\|> send_resp(500, Jason.encode!(%{"error" => inspect(e)}))
	end
	end

	def set_flavour(conn, _params) do
	conn
	\|> put_status(400)
	\|> json(%{error: "Unsupported flavour"})
	end

	def get_flavour(%{assigns: %{user: user}} = conn, _params) do
	json(conn, get_user_flavour(user))
	end

	defp get_user_flavour(%User{info: %{flavour: flavour}}) when flavour in @supported_flavours do
	flavour
	end

	defp get_user_flavour(_) do
	"glitch"
	end

	def login(conn, %{"code" => code}) do
	with {:ok, app} <- get_or_make_app(),
	%Authorization{} = auth <- Repo.get_by(Authorization, token: code, app_id: app.id),
	{:ok, token} <- Token.exchange_token(app, auth) do
	conn
	\|> put_session(:oauth_token, token.token)
	\|> redirect(to: "/web/getting-started")
	end
	end

	def login(conn, _) do
	with {:ok, app} <- get_or_make_app() do
	path =
	o_auth_path(
	conn,
	:authorize,
	response_type: "code",
	client_id: app.client_id,
	redirect_uri: ".",
	scope: Enum.join(app.scopes, " ")
	)

	conn
	\|> redirect(to: path)
	end
	end

	defp get_or_make_app() do
	find_attrs = %{client_name: @local_mastodon_name, redirect_uris: "."}
	scopes = ["read", "write", "follow", "push"]

	with %App{} = app <- Repo.get_by(App, find_attrs) do
	{:ok, app} =
	if app.scopes == scopes do
	{:ok, app}
	else
	app
	\|> Ecto.Changeset.change(%{scopes: scopes})
	\|> Repo.update()
	end

	{:ok, app}
	else
	_e ->
	cs =
	App.register_changeset(
	%App{},
	Map.put(find_attrs, :scopes, scopes)
	)

	Repo.insert(cs)
	end
	end

	def logout(conn, _) do
	conn
	\|> clear_session
	\|> redirect(to: "/")
	end

	def relationship_noop(%{assigns: %{user: user}} = conn, %{"id" => id}) do
	Logger.debug("Unimplemented, returning unmodified relationship")

	with %User{} = target <- Repo.get(User, id) do
	conn
	\|> put_view(AccountView)
	\|> render("relationship.json", %{user: user, target: target})
	end
	end

	def empty_array(conn, _) do
	Logger.debug("Unimplemented, returning an empty array")
	json(conn, [])
	end

	def empty_object(conn, _) do
	Logger.debug("Unimplemented, returning an empty object")
	json(conn, %{})
	end

	def render_notification(user, %{id: id, activity: activity, inserted_at: created_at} = _params) do
	actor = User.get_cached_by_ap_id(activity.data["actor"])
	parent_activity = Activity.get_create_by_object_ap_id(activity.data["object"])
	mastodon_type = Activity.mastodon_notification_type(activity)

	response = %{
	id: to_string(id),
	type: mastodon_type,
	created_at: CommonAPI.Utils.to_masto_date(created_at),
	account: AccountView.render("account.json", %{user: actor, for: user})
	}

	case mastodon_type do
	"mention" ->
	response
	\|> Map.merge(%{
	status: StatusView.render("status.json", %{activity: activity, for: user})
	})

	"favourite" ->
	response
	\|> Map.merge(%{
	status: StatusView.render("status.json", %{activity: parent_activity, for: user})
	})

	"reblog" ->
	response
	\|> Map.merge(%{
	status: StatusView.render("status.json", %{activity: parent_activity, for: user})
	})

	"follow" ->
	response

	_ ->
	nil
	end
	end

	def get_filters(%{assigns: %{user: user}} = conn, _) do
	filters = Filter.get_filters(user)
	res = FilterView.render("filters.json", filters: filters)
	json(conn, res)
	end

	def create_filter(
	%{assigns: %{user: user}} = conn,
	%{"phrase" => phrase, "context" => context} = params
	) do
	query = %Filter{
	user_id: user.id,
	phrase: phrase,
	context: context,
	hide: Map.get(params, "irreversible", nil),
	whole_word: Map.get(params, "boolean", true)
	# expires_at
	}

	{:ok, response} = Filter.create(query)
	res = FilterView.render("filter.json", filter: response)
	json(conn, res)
	end

	def get_filter(%{assigns: %{user: user}} = conn, %{"id" => filter_id}) do
	filter = Filter.get(filter_id, user)
	res = FilterView.render("filter.json", filter: filter)
	json(conn, res)
	end

	def update_filter(
	%{assigns: %{user: user}} = conn,
	%{"phrase" => phrase, "context" => context, "id" => filter_id} = params
	) do
	query = %Filter{
	user_id: user.id,
	filter_id: filter_id,
	phrase: phrase,
	context: context,
	hide: Map.get(params, "irreversible", nil),
	whole_word: Map.get(params, "boolean", true)
	# expires_at
	}

	{:ok, response} = Filter.update(query)
	res = FilterView.render("filter.json", filter: response)
	json(conn, res)
	end

	def delete_filter(%{assigns: %{user: user}} = conn, %{"id" => filter_id}) do
	query = %Filter{
	user_id: user.id,
	filter_id: filter_id
	}

	{:ok, _} = Filter.delete(query)
	json(conn, %{})
	end

	def create_push_subscription(%{assigns: %{user: user, token: token}} = conn, params) do
	true = Push.enabled()
	Subscription.delete_if_exists(user, token)
	{:ok, subscription} = Subscription.create(user, token, params)
	view = PushSubscriptionView.render("push_subscription.json", subscription: subscription)
	json(conn, view)
	end

	def get_push_subscription(%{assigns: %{user: user, token: token}} = conn, _params) do
	true = Push.enabled()
	subscription = Subscription.get(user, token)
	view = PushSubscriptionView.render("push_subscription.json", subscription: subscription)
	json(conn, view)
	end

	def update_push_subscription(
	%{assigns: %{user: user, token: token}} = conn,
	params
	) do
	true = Push.enabled()
	{:ok, subscription} = Subscription.update(user, token, params)
	view = PushSubscriptionView.render("push_subscription.json", subscription: subscription)
	json(conn, view)
	end

	def delete_push_subscription(%{assigns: %{user: user, token: token}} = conn, _params) do
	true = Push.enabled()
	{:ok, _response} = Subscription.delete(user, token)
	json(conn, %{})
	end

	def errors(conn, _) do
	conn
	\|> put_status(500)
	\|> json("Something went wrong")
	end

	def suggestions(%{assigns: %{user: user}} = conn, _) do
	suggestions = Config.get(:suggestions)

	if Keyword.get(suggestions, :enabled, false) do
	api = Keyword.get(suggestions, :third_party_engine, "")
	timeout = Keyword.get(suggestions, :timeout, 5000)
	limit = Keyword.get(suggestions, :limit, 23)

	host = Config.get([Pleroma.Web.Endpoint, :url, :host])

	user = user.nickname

	url =
	api
	\|> String.replace("{{host}}", host)
	\|> String.replace("{{user}}", user)

	with {:ok, %{status: 200, body: body}} <-
	@httpoison.get(
	url,
	[],
	adapter: [
	timeout: timeout,
	recv_timeout: timeout,
	pool: :default
	]
	),
	{:ok, data} <- Jason.decode(body) do
	data =
	data
	\|> Enum.slice(0, limit)
	\|> Enum.map(fn x ->
	Map.put(
	x,
	"id",
	case User.get_or_fetch(x["acct"]) do
	%{id: id} -> id
	_ -> 0
	end
	)
	end)
	\|> Enum.map(fn x ->
	Map.put(x, "avatar", MediaProxy.url(x["avatar"]))
	end)
	\|> Enum.map(fn x ->
	Map.put(x, "avatar_static", MediaProxy.url(x["avatar_static"]))
	end)

	conn
	\|> json(data)
	else
	e -> Logger.error("Could not retrieve suggestions at fetch #{url}, #{inspect(e)}")
	end
	else
	json(conn, [])
	end
	end

	- def status_card(conn, %{"id" => status_id}) do
	+ def status_card(%{assigns: %{user: user}} = conn, %{"id" => status_id}) do
	with %Activity{} = activity <- Repo.get(Activity, status_id),
	- true <- ActivityPub.is_public?(activity) do
	+ true <- Visibility.visible_for_user?(activity, user) do
	data =
	StatusView.render(
	"card.json",
	Pleroma.Web.RichMedia.Helpers.fetch_data_for_activity(activity)
	)

	json(conn, data)
	else
	_e ->
	%{}
	end
	end

	def reports(%{assigns: %{user: user}} = conn, params) do
	case CommonAPI.report(user, params) do
	{:ok, activity} ->
	conn
	\|> put_view(ReportView)
	\|> try_render("report.json", %{activity: activity})

	{:error, err} ->
	conn
	\|> put_status(:bad_request)
	\|> json(%{error: err})
	end
	end

	def try_render(conn, target, params)
	when is_binary(target) do
	res = render(conn, target, params)

	if res == nil do
	conn
	\|> put_status(501)
	\|> json(%{error: "Can't display this activity"})
	else
	res
	end
	end

	def try_render(conn, _, _) do
	conn
	\|> put_status(501)
	\|> json(%{error: "Can't display this activity"})
	end

	defp present?(nil), do: false
	defp present?(false), do: false
	defp present?(_), do: true
	end
	diff --git a/lib/pleroma/web/ostatus/ostatus_controller.ex b/lib/pleroma/web/ostatus/ostatus_controller.ex
	index df723f638..4e963774a 100644
	--- a/lib/pleroma/web/ostatus/ostatus_controller.ex
	+++ b/lib/pleroma/web/ostatus/ostatus_controller.ex
	@@ -1,256 +1,257 @@
	# Pleroma: A lightweight social networking server
	# Copyright © 2017-2019 Pleroma Authors <https://pleroma.social/>
	# SPDX-License-Identifier: AGPL-3.0-only

	defmodule Pleroma.Web.OStatus.OStatusController do
	use Pleroma.Web, :controller

	alias Pleroma.Activity
	alias Pleroma.Object
	alias Pleroma.User
	alias Pleroma.Web.ActivityPub.ActivityPub
	+ alias Pleroma.Web.ActivityPub.Visibility
	alias Pleroma.Web.ActivityPub.ActivityPubController
	alias Pleroma.Web.ActivityPub.ObjectView
	alias Pleroma.Web.OStatus.ActivityRepresenter
	alias Pleroma.Web.OStatus.FeedRepresenter
	alias Pleroma.Web.Federator
	alias Pleroma.Web.OStatus
	alias Pleroma.Web.XML

	plug(Pleroma.Web.FederatingPlug when action in [:salmon_incoming])

	action_fallback(:errors)

	def feed_redirect(conn, %{"nickname" => nickname}) do
	case get_format(conn) do
	"html" ->
	with %User{} = user <- User.get_cached_by_nickname_or_id(nickname) do
	Fallback.RedirectController.redirector_with_meta(conn, %{user: user})
	else
	nil -> {:error, :not_found}
	end

	"activity+json" ->
	ActivityPubController.call(conn, :user)

	"json" ->
	ActivityPubController.call(conn, :user)

	_ ->
	with %User{} = user <- User.get_cached_by_nickname(nickname) do
	redirect(conn, external: OStatus.feed_path(user))
	else
	nil -> {:error, :not_found}
	end
	end
	end

	def feed(conn, %{"nickname" => nickname} = params) do
	with %User{} = user <- User.get_cached_by_nickname(nickname) do
	query_params =
	Map.take(params, ["max_id"])
	\|> Map.merge(%{"whole_db" => true, "actor_id" => user.ap_id})

	activities =
	ActivityPub.fetch_public_activities(query_params)
	\|> Enum.reverse()

	response =
	user
	\|> FeedRepresenter.to_simple_form(activities, [user])
	\|> :xmerl.export_simple(:xmerl_xml)
	\|> to_string

	conn
	\|> put_resp_content_type("application/atom+xml")
	\|> send_resp(200, response)
	else
	nil -> {:error, :not_found}
	end
	end

	defp decode_or_retry(body) do
	with {:ok, magic_key} <- Pleroma.Web.Salmon.fetch_magic_key(body),
	{:ok, doc} <- Pleroma.Web.Salmon.decode_and_validate(magic_key, body) do
	{:ok, doc}
	else
	_e ->
	with [decoded \| _] <- Pleroma.Web.Salmon.decode(body),
	doc <- XML.parse_document(decoded),
	uri when not is_nil(uri) <- XML.string_from_xpath("/entry/author[1]/uri", doc),
	{:ok, _} <- Pleroma.Web.OStatus.make_user(uri, true),
	{:ok, magic_key} <- Pleroma.Web.Salmon.fetch_magic_key(body),
	{:ok, doc} <- Pleroma.Web.Salmon.decode_and_validate(magic_key, body) do
	{:ok, doc}
	end
	end
	end

	def salmon_incoming(conn, _) do
	{:ok, body, _conn} = read_body(conn)
	{:ok, doc} = decode_or_retry(body)

	Federator.incoming_doc(doc)

	conn
	\|> send_resp(200, "")
	end

	def object(conn, %{"uuid" => uuid}) do
	if get_format(conn) in ["activity+json", "json"] do
	ActivityPubController.call(conn, :object)
	else
	with id <- o_status_url(conn, :object, uuid),
	{_, %Activity{} = activity} <- {:activity, Activity.get_create_by_object_ap_id(id)},
	- {_, true} <- {:public?, ActivityPub.is_public?(activity)},
	+ {_, true} <- {:public?, Visibility.is_public?(activity)},
	%User{} = user <- User.get_cached_by_ap_id(activity.data["actor"]) do
	case get_format(conn) do
	"html" -> redirect(conn, to: "/notice/#{activity.id}")
	_ -> represent_activity(conn, nil, activity, user)
	end
	else
	{:public?, false} ->
	{:error, :not_found}

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

	e ->
	e
	end
	end
	end

	def activity(conn, %{"uuid" => uuid}) do
	if get_format(conn) in ["activity+json", "json"] do
	ActivityPubController.call(conn, :activity)
	else
	with id <- o_status_url(conn, :activity, uuid),
	{_, %Activity{} = activity} <- {:activity, Activity.normalize(id)},
	- {_, true} <- {:public?, ActivityPub.is_public?(activity)},
	+ {_, true} <- {:public?, Visibility.is_public?(activity)},
	%User{} = user <- User.get_cached_by_ap_id(activity.data["actor"]) do
	case format = get_format(conn) do
	"html" -> redirect(conn, to: "/notice/#{activity.id}")
	_ -> represent_activity(conn, format, activity, user)
	end
	else
	{:public?, false} ->
	{:error, :not_found}

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

	e ->
	e
	end
	end
	end

	def notice(conn, %{"id" => id}) do
	with {_, %Activity{} = activity} <- {:activity, Activity.get_by_id(id)},
	- {_, true} <- {:public?, ActivityPub.is_public?(activity)},
	+ {_, true} <- {:public?, Visibility.is_public?(activity)},
	%User{} = user <- User.get_cached_by_ap_id(activity.data["actor"]) do
	case format = get_format(conn) do
	"html" ->
	if activity.data["type"] == "Create" do
	%Object{} = object = Object.normalize(activity.data["object"])

	Fallback.RedirectController.redirector_with_meta(conn, %{
	activity_id: activity.id,
	object: object,
	url:
	Pleroma.Web.Router.Helpers.o_status_url(
	Pleroma.Web.Endpoint,
	:notice,
	activity.id
	),
	user: user
	})
	else
	Fallback.RedirectController.redirector(conn, nil)
	end

	_ ->
	represent_activity(conn, format, activity, user)
	end
	else
	{:public?, false} ->
	conn
	\|> put_status(404)
	\|> Fallback.RedirectController.redirector(nil, 404)

	{:activity, nil} ->
	conn
	\|> Fallback.RedirectController.redirector(nil, 404)

	e ->
	e
	end
	end

	# Returns an HTML embedded <audio> or <video> player suitable for embed iframes.
	def notice_player(conn, %{"id" => id}) do
	with %Activity{data: %{"type" => "Create"}} = activity <- Activity.get_by_id(id),
	- true <- ActivityPub.is_public?(activity),
	+ true <- Visibility.is_public?(activity),
	%Object{} = object <- Object.normalize(activity.data["object"]),
	%{data: %{"attachment" => [%{"url" => [url \| _]} \| _]}} <- object,
	true <- String.starts_with?(url["mediaType"], ["audio", "video"]) do
	conn
	\|> put_layout(:metadata_player)
	\|> put_resp_header("x-frame-options", "ALLOW")
	\|> put_resp_header(
	"content-security-policy",
	"default-src 'none';style-src 'self' 'unsafe-inline';img-src 'self' data: https:; media-src 'self' https:;"
	)
	\|> put_view(Pleroma.Web.Metadata.PlayerView)
	\|> render("player.html", url)
	else
	_error ->
	conn
	\|> put_status(404)
	\|> Fallback.RedirectController.redirector(nil, 404)
	end
	end

	defp represent_activity(
	conn,
	"activity+json",
	%Activity{data: %{"type" => "Create"}} = activity,
	_user
	) do
	object = Object.normalize(activity.data["object"])

	conn
	\|> put_resp_header("content-type", "application/activity+json")
	\|> json(ObjectView.render("object.json", %{object: object}))
	end

	defp represent_activity(_conn, "activity+json", _, _) do
	{:error, :not_found}
	end

	defp represent_activity(conn, _, activity, user) do
	response =
	activity
	\|> ActivityRepresenter.to_simple_form(user, true)
	\|> ActivityRepresenter.wrap_with_entry()
	\|> :xmerl.export_simple(:xmerl_xml)
	\|> to_string

	conn
	\|> put_resp_content_type("application/atom+xml")
	\|> send_resp(200, response)
	end

	def errors(conn, {:error, :not_found}) do
	conn
	\|> put_status(404)
	\|> text("Not found")
	end

	def errors(conn, _) do
	conn
	\|> put_status(500)
	\|> text("Something went wrong")
	end
	end
	diff --git a/lib/pleroma/web/streamer.ex b/lib/pleroma/web/streamer.ex
	index 4de7608e4..477481bb9 100644
	--- a/lib/pleroma/web/streamer.ex
	+++ b/lib/pleroma/web/streamer.ex
	@@ -1,242 +1,242 @@
	# Pleroma: A lightweight social networking server
	# Copyright © 2017-2019 Pleroma Authors <https://pleroma.social/>
	# SPDX-License-Identifier: AGPL-3.0-only

	defmodule Pleroma.Web.Streamer do
	use GenServer
	require Logger
	alias Pleroma.User
	alias Pleroma.Notification
	alias Pleroma.Activity
	alias Pleroma.Object
	alias Pleroma.Repo
	- alias Pleroma.Web.ActivityPub.ActivityPub
	+ alias Pleroma.Web.ActivityPub.Visibility

	@keepalive_interval :timer.seconds(30)

	def start_link do
	GenServer.start_link(__MODULE__, %{}, name: __MODULE__)
	end

	def add_socket(topic, socket) do
	GenServer.cast(__MODULE__, %{action: :add, socket: socket, topic: topic})
	end

	def remove_socket(topic, socket) do
	GenServer.cast(__MODULE__, %{action: :remove, socket: socket, topic: topic})
	end

	def stream(topic, item) do
	GenServer.cast(__MODULE__, %{action: :stream, topic: topic, item: item})
	end

	def init(args) do
	spawn(fn ->
	# 30 seconds
	Process.sleep(@keepalive_interval)
	GenServer.cast(__MODULE__, %{action: :ping})
	end)

	{:ok, args}
	end

	def handle_cast(%{action: :ping}, topics) do
	Map.values(topics)
	\|> List.flatten()
	\|> Enum.each(fn socket ->
	Logger.debug("Sending keepalive ping")
	send(socket.transport_pid, {:text, ""})
	end)

	spawn(fn ->
	# 30 seconds
	Process.sleep(@keepalive_interval)
	GenServer.cast(__MODULE__, %{action: :ping})
	end)

	{:noreply, topics}
	end

	def handle_cast(%{action: :stream, topic: "direct", item: item}, topics) do
	recipient_topics =
	User.get_recipients_from_activity(item)
	\|> Enum.map(fn %{id: id} -> "direct:#{id}" end)

	Enum.each(recipient_topics \|\| [], fn user_topic ->
	Logger.debug("Trying to push direct message to #{user_topic}\n\n")
	push_to_socket(topics, user_topic, item)
	end)

	{:noreply, topics}
	end

	def handle_cast(%{action: :stream, topic: "list", item: item}, topics) do
	# filter the recipient list if the activity is not public, see #270.
	recipient_lists =
	- case ActivityPub.is_public?(item) do
	+ case Visibility.is_public?(item) do
	true ->
	Pleroma.List.get_lists_from_activity(item)

	_ ->
	Pleroma.List.get_lists_from_activity(item)
	\|> Enum.filter(fn list ->
	owner = Repo.get(User, list.user_id)

	- ActivityPub.visible_for_user?(item, owner)
	+ Visibility.visible_for_user?(item, owner)
	end)
	end

	recipient_topics =
	recipient_lists
	\|> Enum.map(fn %{id: id} -> "list:#{id}" end)

	Enum.each(recipient_topics \|\| [], fn list_topic ->
	Logger.debug("Trying to push message to #{list_topic}\n\n")
	push_to_socket(topics, list_topic, item)
	end)

	{:noreply, topics}
	end

	def handle_cast(%{action: :stream, topic: "user", item: %Notification{} = item}, topics) do
	topic = "user:#{item.user_id}"

	Enum.each(topics[topic] \|\| [], fn socket ->
	json =
	%{
	event: "notification",
	payload:
	Pleroma.Web.MastodonAPI.MastodonAPIController.render_notification(
	socket.assigns["user"],
	item
	)
	\|> Jason.encode!()
	}
	\|> Jason.encode!()

	send(socket.transport_pid, {:text, json})
	end)

	{:noreply, topics}
	end

	def handle_cast(%{action: :stream, topic: "user", item: item}, topics) do
	Logger.debug("Trying to push to users")

	recipient_topics =
	User.get_recipients_from_activity(item)
	\|> Enum.map(fn %{id: id} -> "user:#{id}" end)

	Enum.each(recipient_topics, fn topic ->
	push_to_socket(topics, topic, item)
	end)

	{:noreply, topics}
	end

	def handle_cast(%{action: :stream, topic: topic, item: item}, topics) do
	Logger.debug("Trying to push to #{topic}")
	Logger.debug("Pushing item to #{topic}")
	push_to_socket(topics, topic, item)
	{:noreply, topics}
	end

	def handle_cast(%{action: :add, topic: topic, socket: socket}, sockets) do
	topic = internal_topic(topic, socket)
	sockets_for_topic = sockets[topic] \|\| []
	sockets_for_topic = Enum.uniq([socket \| sockets_for_topic])
	sockets = Map.put(sockets, topic, sockets_for_topic)
	Logger.debug("Got new conn for #{topic}")
	{:noreply, sockets}
	end

	def handle_cast(%{action: :remove, topic: topic, socket: socket}, sockets) do
	topic = internal_topic(topic, socket)
	sockets_for_topic = sockets[topic] \|\| []
	sockets_for_topic = List.delete(sockets_for_topic, socket)
	sockets = Map.put(sockets, topic, sockets_for_topic)
	Logger.debug("Removed conn for #{topic}")
	{:noreply, sockets}
	end

	def handle_cast(m, state) do
	Logger.info("Unknown: #{inspect(m)}, #{inspect(state)}")
	{:noreply, state}
	end

	defp represent_update(%Activity{} = activity, %User{} = user) do
	%{
	event: "update",
	payload:
	Pleroma.Web.MastodonAPI.StatusView.render(
	"status.json",
	activity: activity,
	for: user
	)
	\|> Jason.encode!()
	}
	\|> Jason.encode!()
	end

	defp represent_update(%Activity{} = activity) do
	%{
	event: "update",
	payload:
	Pleroma.Web.MastodonAPI.StatusView.render(
	"status.json",
	activity: activity
	)
	\|> Jason.encode!()
	}
	\|> Jason.encode!()
	end

	def push_to_socket(topics, topic, %Activity{data: %{"type" => "Announce"}} = item) do
	Enum.each(topics[topic] \|\| [], fn socket ->
	# Get the current user so we have up-to-date blocks etc.
	if socket.assigns[:user] do
	user = User.get_cached_by_ap_id(socket.assigns[:user].ap_id)
	blocks = user.info.blocks \|\| []

	parent = Object.normalize(item.data["object"])

	unless is_nil(parent) or item.actor in blocks or parent.data["actor"] in blocks do
	send(socket.transport_pid, {:text, represent_update(item, user)})
	end
	else
	send(socket.transport_pid, {:text, represent_update(item)})
	end
	end)
	end

	def push_to_socket(topics, topic, %Activity{id: id, data: %{"type" => "Delete"}}) do
	Enum.each(topics[topic] \|\| [], fn socket ->
	send(
	socket.transport_pid,
	{:text, %{event: "delete", payload: to_string(id)} \|> Jason.encode!()}
	)
	end)
	end

	def push_to_socket(topics, topic, item) do
	Enum.each(topics[topic] \|\| [], fn socket ->
	# Get the current user so we have up-to-date blocks etc.
	if socket.assigns[:user] do
	user = User.get_cached_by_ap_id(socket.assigns[:user].ap_id)
	blocks = user.info.blocks \|\| []

	unless item.actor in blocks do
	send(socket.transport_pid, {:text, represent_update(item, user)})
	end
	else
	send(socket.transport_pid, {:text, represent_update(item)})
	end
	end)
	end

	defp internal_topic(topic, socket) when topic in ~w[user direct] do
	"#{topic}:#{socket.assigns[:user].id}"
	end

	defp internal_topic(topic, _), do: topic
	end
	diff --git a/lib/pleroma/web/twitter_api/twitter_api_controller.ex b/lib/pleroma/web/twitter_api/twitter_api_controller.ex
	index b815379fd..0d74c30c3 100644
	--- a/lib/pleroma/web/twitter_api/twitter_api_controller.ex
	+++ b/lib/pleroma/web/twitter_api/twitter_api_controller.ex
	@@ -1,754 +1,755 @@
	# Pleroma: A lightweight social networking server
	# Copyright © 2017-2019 Pleroma Authors <https://pleroma.social/>
	# SPDX-License-Identifier: AGPL-3.0-only

	defmodule Pleroma.Web.TwitterAPI.Controller do
	use Pleroma.Web, :controller

	import Pleroma.Web.ControllerHelper, only: [json_response: 3]

	alias Ecto.Changeset
	alias Pleroma.Web.TwitterAPI.{TwitterAPI, UserView, ActivityView, NotificationView, TokenView}
	alias Pleroma.Web.CommonAPI
	alias Pleroma.{Repo, Activity, Object, User, Notification}
	alias Pleroma.Web.OAuth.Token
	alias Pleroma.Web.ActivityPub.ActivityPub
	+ alias Pleroma.Web.ActivityPub.Visibility
	alias Pleroma.Web.ActivityPub.Utils
	alias Pleroma.Web.CommonAPI
	alias Pleroma.Web.TwitterAPI.ActivityView
	alias Pleroma.Web.TwitterAPI.NotificationView
	alias Pleroma.Web.TwitterAPI.TwitterAPI
	alias Pleroma.Web.TwitterAPI.UserView
	alias Pleroma.Activity
	alias Pleroma.Object
	alias Pleroma.Notification
	alias Pleroma.Repo
	alias Pleroma.User

	require Logger

	plug(:only_if_public_instance when action in [:public_timeline, :public_and_external_timeline])
	action_fallback(:errors)

	def verify_credentials(%{assigns: %{user: user}} = conn, _params) do
	token = Phoenix.Token.sign(conn, "user socket", user.id)

	conn
	\|> put_view(UserView)
	\|> render("show.json", %{user: user, token: token, for: user})
	end

	def status_update(%{assigns: %{user: user}} = conn, %{"status" => _} = status_data) do
	with media_ids <- extract_media_ids(status_data),
	{:ok, activity} <-
	TwitterAPI.create_status(user, Map.put(status_data, "media_ids", media_ids)) do
	conn
	\|> json(ActivityView.render("activity.json", activity: activity, for: user))
	else
	_ -> empty_status_reply(conn)
	end
	end

	def status_update(conn, _status_data) do
	empty_status_reply(conn)
	end

	defp empty_status_reply(conn) do
	bad_request_reply(conn, "Client must provide a 'status' parameter with a value.")
	end

	defp extract_media_ids(status_data) do
	with media_ids when not is_nil(media_ids) <- status_data["media_ids"],
	split_ids <- String.split(media_ids, ","),
	clean_ids <- Enum.reject(split_ids, fn id -> String.length(id) == 0 end) do
	clean_ids
	else
	_e -> []
	end
	end

	def public_and_external_timeline(%{assigns: %{user: user}} = conn, params) do
	params =
	params
	\|> Map.put("type", ["Create", "Announce"])
	\|> Map.put("blocking_user", user)

	activities = ActivityPub.fetch_public_activities(params)

	conn
	\|> put_view(ActivityView)
	\|> render("index.json", %{activities: activities, for: user})
	end

	def public_timeline(%{assigns: %{user: user}} = conn, params) do
	params =
	params
	\|> Map.put("type", ["Create", "Announce"])
	\|> Map.put("local_only", true)
	\|> Map.put("blocking_user", user)

	activities = ActivityPub.fetch_public_activities(params)

	conn
	\|> put_view(ActivityView)
	\|> render("index.json", %{activities: activities, for: user})
	end

	def friends_timeline(%{assigns: %{user: user}} = conn, params) do
	params =
	params
	\|> Map.put("type", ["Create", "Announce", "Follow", "Like"])
	\|> Map.put("blocking_user", user)
	\|> Map.put("user", user)

	activities =
	ActivityPub.fetch_activities([user.ap_id \| user.following], params)
	\|> ActivityPub.contain_timeline(user)

	conn
	\|> put_view(ActivityView)
	\|> render("index.json", %{activities: activities, for: user})
	end

	def show_user(conn, params) do
	for_user = conn.assigns.user

	with {:ok, shown} <- TwitterAPI.get_user(params),
	true <-
	User.auth_active?(shown) \|\|
	(for_user && (for_user.id == shown.id \|\| User.superuser?(for_user))) do
	params =
	if for_user do
	%{user: shown, for: for_user}
	else
	%{user: shown}
	end

	conn
	\|> put_view(UserView)
	\|> render("show.json", params)
	else
	{:error, msg} ->
	bad_request_reply(conn, msg)

	false ->
	conn
	\|> put_status(404)
	\|> json(%{error: "Unconfirmed user"})
	end
	end

	def user_timeline(%{assigns: %{user: user}} = conn, params) do
	case TwitterAPI.get_user(user, params) do
	{:ok, target_user} ->
	# Twitter and ActivityPub use a different name and sense for this parameter.
	{include_rts, params} = Map.pop(params, "include_rts")

	params =
	case include_rts do
	x when x == "false" or x == "0" -> Map.put(params, "exclude_reblogs", "true")
	_ -> params
	end

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

	conn
	\|> put_view(ActivityView)
	\|> render("index.json", %{activities: activities, for: user})

	{:error, msg} ->
	bad_request_reply(conn, msg)
	end
	end

	def mentions_timeline(%{assigns: %{user: user}} = conn, params) do
	params =
	params
	\|> Map.put("type", ["Create", "Announce", "Follow", "Like"])
	\|> Map.put("blocking_user", user)

	activities = ActivityPub.fetch_activities([user.ap_id], params)

	conn
	\|> put_view(ActivityView)
	\|> render("index.json", %{activities: activities, for: user})
	end

	def dm_timeline(%{assigns: %{user: user}} = conn, params) do
	query =
	ActivityPub.fetch_activities_query(
	[user.ap_id],
	Map.merge(params, %{"type" => "Create", "user" => user, visibility: "direct"})
	)

	activities = Repo.all(query)

	conn
	\|> put_view(ActivityView)
	\|> render("index.json", %{activities: activities, for: user})
	end

	def notifications(%{assigns: %{user: user}} = conn, params) do
	notifications = Notification.for_user(user, params)

	conn
	\|> put_view(NotificationView)
	\|> render("notification.json", %{notifications: notifications, for: user})
	end

	def notifications_read(%{assigns: %{user: user}} = conn, %{"latest_id" => latest_id} = params) do
	Notification.set_read_up_to(user, latest_id)

	notifications = Notification.for_user(user, params)

	conn
	\|> put_view(NotificationView)
	\|> render("notification.json", %{notifications: notifications, for: user})
	end

	def notifications_read(%{assigns: %{user: _user}} = conn, _) do
	bad_request_reply(conn, "You need to specify latest_id")
	end

	def follow(%{assigns: %{user: user}} = conn, params) do
	case TwitterAPI.follow(user, params) do
	{:ok, user, followed, _activity} ->
	conn
	\|> put_view(UserView)
	\|> render("show.json", %{user: followed, for: user})

	{:error, msg} ->
	forbidden_json_reply(conn, msg)
	end
	end

	def block(%{assigns: %{user: user}} = conn, params) do
	case TwitterAPI.block(user, params) do
	{:ok, user, blocked} ->
	conn
	\|> put_view(UserView)
	\|> render("show.json", %{user: blocked, for: user})

	{:error, msg} ->
	forbidden_json_reply(conn, msg)
	end
	end

	def unblock(%{assigns: %{user: user}} = conn, params) do
	case TwitterAPI.unblock(user, params) do
	{:ok, user, blocked} ->
	conn
	\|> put_view(UserView)
	\|> render("show.json", %{user: blocked, for: user})

	{:error, msg} ->
	forbidden_json_reply(conn, msg)
	end
	end

	def delete_post(%{assigns: %{user: user}} = conn, %{"id" => id}) do
	with {:ok, activity} <- TwitterAPI.delete(user, id) do
	conn
	\|> put_view(ActivityView)
	\|> render("activity.json", %{activity: activity, for: user})
	end
	end

	def unfollow(%{assigns: %{user: user}} = conn, params) do
	case TwitterAPI.unfollow(user, params) do
	{:ok, user, unfollowed} ->
	conn
	\|> put_view(UserView)
	\|> render("show.json", %{user: unfollowed, for: user})

	{:error, msg} ->
	forbidden_json_reply(conn, msg)
	end
	end

	def fetch_status(%{assigns: %{user: user}} = conn, %{"id" => id}) do
	with %Activity{} = activity <- Repo.get(Activity, id),
	- true <- ActivityPub.visible_for_user?(activity, user) do
	+ true <- Visibility.visible_for_user?(activity, user) do
	conn
	\|> put_view(ActivityView)
	\|> render("activity.json", %{activity: activity, for: user})
	end
	end

	def fetch_conversation(%{assigns: %{user: user}} = conn, %{"id" => id}) do
	with context when is_binary(context) <- TwitterAPI.conversation_id_to_context(id),
	activities <-
	ActivityPub.fetch_activities_for_context(context, %{
	"blocking_user" => user,
	"user" => user
	}) do
	conn
	\|> put_view(ActivityView)
	\|> render("index.json", %{activities: activities, for: user})
	end
	end

	@doc """
	Updates metadata of uploaded media object.
	Derived from [Twitter API endpoint](https://developer.twitter.com/en/docs/media/upload-media/api-reference/post-media-metadata-create).
	"""
	def update_media(%{assigns: %{user: user}} = conn, %{"media_id" => id} = data) do
	object = Repo.get(Object, id)
	description = get_in(data, ["alt_text", "text"]) \|\| data["name"] \|\| data["description"]

	{conn, status, response_body} =
	cond do
	!object ->
	{halt(conn), :not_found, ""}

	!Object.authorize_mutation(object, user) ->
	{halt(conn), :forbidden, "You can only update your own uploads."}

	!is_binary(description) ->
	{conn, :not_modified, ""}

	true ->
	new_data = Map.put(object.data, "name", description)

	{:ok, _} =
	object
	\|> Object.change(%{data: new_data})
	\|> Repo.update()

	{conn, :no_content, ""}
	end

	conn
	\|> put_status(status)
	\|> json(response_body)
	end

	def upload(%{assigns: %{user: user}} = conn, %{"media" => media}) do
	response = TwitterAPI.upload(media, user)

	conn
	\|> put_resp_content_type("application/atom+xml")
	\|> send_resp(200, response)
	end

	def upload_json(%{assigns: %{user: user}} = conn, %{"media" => media}) do
	response = TwitterAPI.upload(media, user, "json")

	conn
	\|> json_reply(200, response)
	end

	def get_by_id_or_ap_id(id) do
	activity = Repo.get(Activity, id) \|\| Activity.get_create_by_object_ap_id(id)

	if activity.data["type"] == "Create" do
	activity
	else
	Activity.get_create_by_object_ap_id(activity.data["object"])
	end
	end

	def favorite(%{assigns: %{user: user}} = conn, %{"id" => id}) do
	with {:ok, activity} <- TwitterAPI.fav(user, id) do
	conn
	\|> put_view(ActivityView)
	\|> render("activity.json", %{activity: activity, for: user})
	else
	_ -> json_reply(conn, 400, Jason.encode!(%{}))
	end
	end

	def unfavorite(%{assigns: %{user: user}} = conn, %{"id" => id}) do
	with {:ok, activity} <- TwitterAPI.unfav(user, id) do
	conn
	\|> put_view(ActivityView)
	\|> render("activity.json", %{activity: activity, for: user})
	else
	_ -> json_reply(conn, 400, Jason.encode!(%{}))
	end
	end

	def retweet(%{assigns: %{user: user}} = conn, %{"id" => id}) do
	with {:ok, activity} <- TwitterAPI.repeat(user, id) do
	conn
	\|> put_view(ActivityView)
	\|> render("activity.json", %{activity: activity, for: user})
	else
	_ -> json_reply(conn, 400, Jason.encode!(%{}))
	end
	end

	def unretweet(%{assigns: %{user: user}} = conn, %{"id" => id}) do
	with {:ok, activity} <- TwitterAPI.unrepeat(user, id) do
	conn
	\|> put_view(ActivityView)
	\|> render("activity.json", %{activity: activity, for: user})
	else
	_ -> json_reply(conn, 400, Jason.encode!(%{}))
	end
	end

	def pin(%{assigns: %{user: user}} = conn, %{"id" => id}) do
	with {:ok, activity} <- TwitterAPI.pin(user, id) do
	conn
	\|> put_view(ActivityView)
	\|> render("activity.json", %{activity: activity, for: user})
	else
	{:error, message} -> bad_request_reply(conn, message)
	err -> err
	end
	end

	def unpin(%{assigns: %{user: user}} = conn, %{"id" => id}) do
	with {:ok, activity} <- TwitterAPI.unpin(user, id) do
	conn
	\|> put_view(ActivityView)
	\|> render("activity.json", %{activity: activity, for: user})
	else
	{:error, message} -> bad_request_reply(conn, message)
	err -> err
	end
	end

	def register(conn, params) do
	with {:ok, user} <- TwitterAPI.register_user(params) do
	conn
	\|> put_view(UserView)
	\|> render("show.json", %{user: user})
	else
	{:error, errors} ->
	conn
	\|> json_reply(400, Jason.encode!(errors))
	end
	end

	def password_reset(conn, params) do
	nickname_or_email = params["email"] \|\| params["nickname"]

	with {:ok, _} <- TwitterAPI.password_reset(nickname_or_email) do
	json_response(conn, :no_content, "")
	end
	end

	def confirm_email(conn, %{"user_id" => uid, "token" => token}) do
	with %User{} = user <- Repo.get(User, uid),
	true <- user.local,
	true <- user.info.confirmation_pending,
	true <- user.info.confirmation_token == token,
	info_change <- User.Info.confirmation_changeset(user.info, :confirmed),
	changeset <- Changeset.change(user) \|> Changeset.put_embed(:info, info_change),
	{:ok, _} <- User.update_and_set_cache(changeset) do
	conn
	\|> redirect(to: "/")
	end
	end

	def resend_confirmation_email(conn, params) do
	nickname_or_email = params["email"] \|\| params["nickname"]

	with %User{} = user <- User.get_by_nickname_or_email(nickname_or_email),
	{:ok, _} <- User.try_send_confirmation_email(user) do
	conn
	\|> json_response(:no_content, "")
	end
	end

	def update_avatar(%{assigns: %{user: user}} = conn, params) do
	{:ok, object} = ActivityPub.upload(params, type: :avatar)
	change = Changeset.change(user, %{avatar: object.data})
	{:ok, user} = User.update_and_set_cache(change)
	CommonAPI.update(user)

	conn
	\|> put_view(UserView)
	\|> render("show.json", %{user: user, for: user})
	end

	def update_banner(%{assigns: %{user: user}} = conn, params) do
	with {:ok, object} <- ActivityPub.upload(%{"img" => params["banner"]}, type: :banner),
	new_info <- %{"banner" => object.data},
	info_cng <- User.Info.profile_update(user.info, new_info),
	changeset <- Ecto.Changeset.change(user) \|> Ecto.Changeset.put_embed(:info, info_cng),
	{:ok, user} <- User.update_and_set_cache(changeset) do
	CommonAPI.update(user)
	%{"url" => [%{"href" => href} \| _]} = object.data
	response = %{url: href} \|> Jason.encode!()

	conn
	\|> json_reply(200, response)
	end
	end

	def update_background(%{assigns: %{user: user}} = conn, params) do
	with {:ok, object} <- ActivityPub.upload(params, type: :background),
	new_info <- %{"background" => object.data},
	info_cng <- User.Info.profile_update(user.info, new_info),
	changeset <- Ecto.Changeset.change(user) \|> Ecto.Changeset.put_embed(:info, info_cng),
	{:ok, _user} <- User.update_and_set_cache(changeset) do
	%{"url" => [%{"href" => href} \| _]} = object.data
	response = %{url: href} \|> Jason.encode!()

	conn
	\|> json_reply(200, response)
	end
	end

	def external_profile(%{assigns: %{user: current_user}} = conn, %{"profileurl" => uri}) do
	with {:ok, user_map} <- TwitterAPI.get_external_profile(current_user, uri),
	response <- Jason.encode!(user_map) do
	conn
	\|> json_reply(200, response)
	else
	_e ->
	conn
	\|> put_status(404)
	\|> json(%{error: "Can't find user"})
	end
	end

	def followers(%{assigns: %{user: for_user}} = conn, params) do
	{:ok, page} = Ecto.Type.cast(:integer, params["page"] \|\| 1)

	with {:ok, user} <- TwitterAPI.get_user(for_user, params),
	{:ok, followers} <- User.get_followers(user, page) do
	followers =
	cond do
	for_user && user.id == for_user.id -> followers
	user.info.hide_followers -> []
	true -> followers
	end

	conn
	\|> put_view(UserView)
	\|> render("index.json", %{users: followers, for: conn.assigns[:user]})
	else
	_e -> bad_request_reply(conn, "Can't get followers")
	end
	end

	def friends(%{assigns: %{user: for_user}} = conn, params) do
	{:ok, page} = Ecto.Type.cast(:integer, params["page"] \|\| 1)
	{:ok, export} = Ecto.Type.cast(:boolean, params["all"] \|\| false)

	page = if export, do: nil, else: page

	with {:ok, user} <- TwitterAPI.get_user(conn.assigns[:user], params),
	{:ok, friends} <- User.get_friends(user, page) do
	friends =
	cond do
	for_user && user.id == for_user.id -> friends
	user.info.hide_follows -> []
	true -> friends
	end

	conn
	\|> put_view(UserView)
	\|> render("index.json", %{users: friends, for: conn.assigns[:user]})
	else
	_e -> bad_request_reply(conn, "Can't get friends")
	end
	end

	def oauth_tokens(%{assigns: %{user: user}} = conn, _params) do
	with oauth_tokens <- Token.get_user_tokens(user) do
	conn
	\|> put_view(TokenView)
	\|> render("index.json", %{tokens: oauth_tokens})
	end
	end

	def revoke_token(%{assigns: %{user: user}} = conn, %{"id" => id} = _params) do
	Token.delete_user_token(user, id)

	json_reply(conn, 201, "")
	end

	def blocks(%{assigns: %{user: user}} = conn, _params) do
	with blocked_users <- User.blocked_users(user) do
	conn
	\|> put_view(UserView)
	\|> render("index.json", %{users: blocked_users, for: user})
	end
	end

	def friend_requests(conn, params) do
	with {:ok, user} <- TwitterAPI.get_user(conn.assigns[:user], params),
	{:ok, friend_requests} <- User.get_follow_requests(user) do
	conn
	\|> put_view(UserView)
	\|> render("index.json", %{users: friend_requests, for: conn.assigns[:user]})
	else
	_e -> bad_request_reply(conn, "Can't get friend requests")
	end
	end

	def approve_friend_request(conn, %{"user_id" => uid} = _params) do
	with followed <- conn.assigns[:user],
	%User{} = follower <- Repo.get(User, uid),
	{:ok, follower} <- User.maybe_follow(follower, followed),
	%Activity{} = follow_activity <- Utils.fetch_latest_follow(follower, followed),
	{:ok, follow_activity} <- Utils.update_follow_state(follow_activity, "accept"),
	{:ok, _activity} <-
	ActivityPub.accept(%{
	to: [follower.ap_id],
	actor: followed,
	object: follow_activity.data["id"],
	type: "Accept"
	}) do
	conn
	\|> put_view(UserView)
	\|> render("show.json", %{user: follower, for: followed})
	else
	e -> bad_request_reply(conn, "Can't approve user: #{inspect(e)}")
	end
	end

	def deny_friend_request(conn, %{"user_id" => uid} = _params) do
	with followed <- conn.assigns[:user],
	%User{} = follower <- Repo.get(User, uid),
	%Activity{} = follow_activity <- Utils.fetch_latest_follow(follower, followed),
	{:ok, follow_activity} <- Utils.update_follow_state(follow_activity, "reject"),
	{:ok, _activity} <-
	ActivityPub.reject(%{
	to: [follower.ap_id],
	actor: followed,
	object: follow_activity.data["id"],
	type: "Reject"
	}) do
	conn
	\|> put_view(UserView)
	\|> render("show.json", %{user: follower, for: followed})
	else
	e -> bad_request_reply(conn, "Can't deny user: #{inspect(e)}")
	end
	end

	def friends_ids(%{assigns: %{user: user}} = conn, _params) do
	with {:ok, friends} <- User.get_friends(user) do
	ids =
	friends
	\|> Enum.map(fn x -> x.id end)
	\|> Jason.encode!()

	json(conn, ids)
	else
	_e -> bad_request_reply(conn, "Can't get friends")
	end
	end

	def empty_array(conn, _params) do
	json(conn, Jason.encode!([]))
	end

	def raw_empty_array(conn, _params) do
	json(conn, [])
	end

	defp build_info_cng(user, params) do
	info_params =
	["no_rich_text", "locked", "hide_followers", "hide_follows", "show_role"]
	\|> Enum.reduce(%{}, fn key, res ->
	if value = params[key] do
	Map.put(res, key, value == "true")
	else
	res
	end
	end)

	info_params =
	if value = params["default_scope"] do
	Map.put(info_params, "default_scope", value)
	else
	info_params
	end

	User.Info.profile_update(user.info, info_params)
	end

	defp parse_profile_bio(user, params) do
	if bio = params["description"] do
	Map.put(params, "bio", User.parse_bio(bio, user))
	else
	params
	end
	end

	def update_profile(%{assigns: %{user: user}} = conn, params) do
	params = parse_profile_bio(user, params)
	info_cng = build_info_cng(user, params)

	with changeset <- User.update_changeset(user, params),
	changeset <- Ecto.Changeset.put_embed(changeset, :info, info_cng),
	{:ok, user} <- User.update_and_set_cache(changeset) do
	CommonAPI.update(user)

	conn
	\|> put_view(UserView)
	\|> render("user.json", %{user: user, for: user})
	else
	error ->
	Logger.debug("Can't update user: #{inspect(error)}")
	bad_request_reply(conn, "Can't update user")
	end
	end

	def search(%{assigns: %{user: user}} = conn, %{"q" => _query} = params) do
	activities = TwitterAPI.search(user, params)

	conn
	\|> put_view(ActivityView)
	\|> render("index.json", %{activities: activities, for: user})
	end

	def search_user(%{assigns: %{user: user}} = conn, %{"query" => query}) do
	users = User.search(query, true, user)

	conn
	\|> put_view(UserView)
	\|> render("index.json", %{users: users, for: user})
	end

	defp bad_request_reply(conn, error_message) do
	json = error_json(conn, error_message)
	json_reply(conn, 400, json)
	end

	defp json_reply(conn, status, json) do
	conn
	\|> put_resp_content_type("application/json")
	\|> send_resp(status, json)
	end

	defp forbidden_json_reply(conn, error_message) do
	json = error_json(conn, error_message)
	json_reply(conn, 403, json)
	end

	def only_if_public_instance(%{assigns: %{user: %User{}}} = conn, _), do: conn

	def only_if_public_instance(conn, _) do
	if Keyword.get(Application.get_env(:pleroma, :instance), :public) do
	conn
	else
	conn
	\|> forbidden_json_reply("Invalid credentials.")
	\|> halt()
	end
	end

	defp error_json(conn, error_message) do
	%{"error" => error_message, "request" => conn.request_path} \|> Jason.encode!()
	end

	def errors(conn, {:param_cast, _}) do
	conn
	\|> put_status(400)
	\|> json("Invalid parameters")
	end

	def errors(conn, _) do
	conn
	\|> put_status(500)
	\|> json("Something went wrong")
	end
	end
	diff --git a/test/web/activity_pub/visibilty_test.exs b/test/web/activity_pub/visibilty_test.exs
	new file mode 100644
	index 000000000..1172b7455
	--- /dev/null
	+++ b/test/web/activity_pub/visibilty_test.exs
	@@ -0,0 +1,98 @@
	+defmodule Pleroma.Web.ActivityPub.VisibilityTest do
	+ use Pleroma.DataCase
	+
	+ alias Pleroma.Web.CommonAPI
	+ alias Pleroma.Web.ActivityPub.Visibility
	+ import Pleroma.Factory
	+
	+ setup do
	+ user = insert(:user)
	+ mentioned = insert(:user)
	+ following = insert(:user)
	+ unrelated = insert(:user)
	+ {:ok, following} = Pleroma.User.follow(following, user)
	+
	+ {:ok, public} =
	+ CommonAPI.post(user, %{"status" => "@#{mentioned.nickname}", "visibility" => "public"})
	+
	+ {:ok, private} =
	+ CommonAPI.post(user, %{"status" => "@#{mentioned.nickname}", "visibility" => "private"})
	+
	+ {:ok, direct} =
	+ CommonAPI.post(user, %{"status" => "@#{mentioned.nickname}", "visibility" => "direct"})
	+
	+ {:ok, unlisted} =
	+ CommonAPI.post(user, %{"status" => "@#{mentioned.nickname}", "visibility" => "unlisted"})
	+
	+ %{
	+ public: public,
	+ private: private,
	+ direct: direct,
	+ unlisted: unlisted,
	+ user: user,
	+ mentioned: mentioned,
	+ following: following,
	+ unrelated: unrelated
	+ }
	+ end
	+
	+ test "is_direct?", %{public: public, private: private, direct: direct, unlisted: unlisted} do
	+ assert Visibility.is_direct?(direct)
	+ refute Visibility.is_direct?(public)
	+ refute Visibility.is_direct?(private)
	+ refute Visibility.is_direct?(unlisted)
	+ end
	+
	+ test "is_public?", %{public: public, private: private, direct: direct, unlisted: unlisted} do
	+ refute Visibility.is_public?(direct)
	+ assert Visibility.is_public?(public)
	+ refute Visibility.is_public?(private)
	+ assert Visibility.is_public?(unlisted)
	+ end
	+
	+ test "is_private?", %{public: public, private: private, direct: direct, unlisted: unlisted} do
	+ refute Visibility.is_private?(direct)
	+ refute Visibility.is_private?(public)
	+ assert Visibility.is_private?(private)
	+ refute Visibility.is_private?(unlisted)
	+ end
	+
	+ test "visible_for_user?", %{
	+ public: public,
	+ private: private,
	+ direct: direct,
	+ unlisted: unlisted,
	+ user: user,
	+ mentioned: mentioned,
	+ following: following,
	+ unrelated: unrelated
	+ } do
	+ # All visible to author
	+
	+ assert Visibility.visible_for_user?(public, user)
	+ assert Visibility.visible_for_user?(private, user)
	+ assert Visibility.visible_for_user?(unlisted, user)
	+ assert Visibility.visible_for_user?(direct, user)
	+
	+ # All visible to a mentioned user
	+
	+ assert Visibility.visible_for_user?(public, mentioned)
	+ assert Visibility.visible_for_user?(private, mentioned)
	+ assert Visibility.visible_for_user?(unlisted, mentioned)
	+ assert Visibility.visible_for_user?(direct, mentioned)
	+
	+ # DM not visible for just follower
	+
	+ assert Visibility.visible_for_user?(public, following)
	+ assert Visibility.visible_for_user?(private, following)
	+ assert Visibility.visible_for_user?(unlisted, following)
	+ refute Visibility.visible_for_user?(direct, following)
	+
	+ # Public and unlisted visible for unrelated user
	+
	+ assert Visibility.visible_for_user?(public, unrelated)
	+ assert Visibility.visible_for_user?(unlisted, unrelated)
	+ refute Visibility.visible_for_user?(private, unrelated)
	+ refute Visibility.visible_for_user?(direct, unrelated)
	+ end
	+end
	diff --git a/test/web/mastodon_api/mastodon_api_controller_test.exs b/test/web/mastodon_api/mastodon_api_controller_test.exs
	index 3dfbc8669..b52c2b805 100644
	--- a/test/web/mastodon_api/mastodon_api_controller_test.exs
	+++ b/test/web/mastodon_api/mastodon_api_controller_test.exs
	@@ -1,1923 +1,1935 @@
	# Pleroma: A lightweight social networking server
	# Copyright © 2017-2019 Pleroma Authors <https://pleroma.social/>
	# SPDX-License-Identifier: AGPL-3.0-only

	defmodule Pleroma.Web.MastodonAPI.MastodonAPIControllerTest do
	use Pleroma.Web.ConnCase

	alias Pleroma.Web.TwitterAPI.TwitterAPI
	alias Pleroma.Repo
	alias Pleroma.User
	alias Pleroma.Object
	alias Pleroma.Activity
	alias Pleroma.Notification
	alias Pleroma.Web.OStatus
	alias Pleroma.Web.CommonAPI
	alias Pleroma.Web.ActivityPub.ActivityPub
	alias Pleroma.Web.MastodonAPI.FilterView
	alias Ecto.Changeset
	import Pleroma.Factory
	import ExUnit.CaptureLog
	import Tesla.Mock

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

	test "the home timeline", %{conn: conn} do
	user = insert(:user)
	following = insert(:user)

	{:ok, _activity} = TwitterAPI.create_status(following, %{"status" => "test"})

	conn =
	conn
	\|> assign(:user, user)
	\|> get("/api/v1/timelines/home")

	assert Enum.empty?(json_response(conn, 200))

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

	conn =
	build_conn()
	\|> assign(:user, user)
	\|> get("/api/v1/timelines/home")

	assert [%{"content" => "test"}] = json_response(conn, 200)
	end

	test "the public timeline", %{conn: conn} do
	following = insert(:user)

	capture_log(fn ->
	{:ok, _activity} = TwitterAPI.create_status(following, %{"status" => "test"})

	{:ok, [_activity]} =
	OStatus.fetch_activity_from_url("https://shitposter.club/notice/2827873")

	conn =
	conn
	\|> get("/api/v1/timelines/public", %{"local" => "False"})

	assert length(json_response(conn, 200)) == 2

	conn =
	build_conn()
	\|> get("/api/v1/timelines/public", %{"local" => "True"})

	assert [%{"content" => "test"}] = json_response(conn, 200)

	conn =
	build_conn()
	\|> get("/api/v1/timelines/public", %{"local" => "1"})

	assert [%{"content" => "test"}] = json_response(conn, 200)
	end)
	end

	test "posting a status", %{conn: conn} do
	user = insert(:user)

	idempotency_key = "Pikachu rocks!"

	conn_one =
	conn
	\|> assign(:user, user)
	\|> put_req_header("idempotency-key", idempotency_key)
	\|> post("/api/v1/statuses", %{
	"status" => "cofe",
	"spoiler_text" => "2hu",
	"sensitive" => "false"
	})

	{:ok, ttl} = Cachex.ttl(:idempotency_cache, idempotency_key)
	# Six hours
	assert ttl > :timer.seconds(6 * 60 * 60 - 1)

	assert %{"content" => "cofe", "id" => id, "spoiler_text" => "2hu", "sensitive" => false} =
	json_response(conn_one, 200)

	assert Repo.get(Activity, id)

	conn_two =
	conn
	\|> assign(:user, user)
	\|> put_req_header("idempotency-key", idempotency_key)
	\|> post("/api/v1/statuses", %{
	"status" => "cofe",
	"spoiler_text" => "2hu",
	"sensitive" => "false"
	})

	assert %{"id" => second_id} = json_response(conn_two, 200)

	assert id == second_id

	conn_three =
	conn
	\|> assign(:user, user)
	\|> post("/api/v1/statuses", %{
	"status" => "cofe",
	"spoiler_text" => "2hu",
	"sensitive" => "false"
	})

	assert %{"id" => third_id} = json_response(conn_three, 200)

	refute id == third_id
	end

	test "posting a sensitive status", %{conn: conn} do
	user = insert(:user)

	conn =
	conn
	\|> assign(:user, user)
	\|> post("/api/v1/statuses", %{"status" => "cofe", "sensitive" => true})

	assert %{"content" => "cofe", "id" => id, "sensitive" => true} = json_response(conn, 200)
	assert Repo.get(Activity, id)
	end

	test "posting a status with OGP link preview", %{conn: conn} do
	Pleroma.Config.put([:rich_media, :enabled], true)
	user = insert(:user)

	conn =
	conn
	\|> assign(:user, user)
	\|> post("/api/v1/statuses", %{
	"status" => "http://example.com/ogp"
	})

	assert %{"id" => id, "card" => %{"title" => "The Rock"}} = json_response(conn, 200)
	assert Repo.get(Activity, id)
	Pleroma.Config.put([:rich_media, :enabled], false)
	end

	test "posting a direct status", %{conn: conn} do
	user1 = insert(:user)
	user2 = insert(:user)
	content = "direct cofe @#{user2.nickname}"

	conn =
	conn
	\|> assign(:user, user1)
	\|> post("api/v1/statuses", %{"status" => content, "visibility" => "direct"})

	assert %{"id" => id, "visibility" => "direct"} = json_response(conn, 200)
	assert activity = Repo.get(Activity, id)
	assert activity.recipients == [user2.ap_id, user1.ap_id]
	assert activity.data["to"] == [user2.ap_id]
	assert activity.data["cc"] == []
	end

	test "direct timeline", %{conn: conn} do
	user_one = insert(:user)
	user_two = insert(:user)

	{:ok, user_two} = User.follow(user_two, user_one)

	{:ok, direct} =
	CommonAPI.post(user_one, %{
	"status" => "Hi @#{user_two.nickname}!",
	"visibility" => "direct"
	})

	{:ok, _follower_only} =
	CommonAPI.post(user_one, %{
	"status" => "Hi @#{user_two.nickname}!",
	"visibility" => "private"
	})

	# Only direct should be visible here
	res_conn =
	conn
	\|> assign(:user, user_two)
	\|> get("api/v1/timelines/direct")

	[status] = json_response(res_conn, 200)

	assert %{"visibility" => "direct"} = status
	assert status["url"] != direct.data["id"]

	# User should be able to see his own direct message
	res_conn =
	build_conn()
	\|> assign(:user, user_one)
	\|> get("api/v1/timelines/direct")

	[status] = json_response(res_conn, 200)

	assert %{"visibility" => "direct"} = status

	# Both should be visible here
	res_conn =
	conn
	\|> assign(:user, user_two)
	\|> get("api/v1/timelines/home")

	[_s1, _s2] = json_response(res_conn, 200)

	# Test pagination
	Enum.each(1..20, fn _ ->
	{:ok, _} =
	CommonAPI.post(user_one, %{
	"status" => "Hi @#{user_two.nickname}!",
	"visibility" => "direct"
	})
	end)

	res_conn =
	conn
	\|> assign(:user, user_two)
	\|> get("api/v1/timelines/direct")

	statuses = json_response(res_conn, 200)
	assert length(statuses) == 20

	res_conn =
	conn
	\|> assign(:user, user_two)
	\|> get("api/v1/timelines/direct", %{max_id: List.last(statuses)["id"]})

	[status] = json_response(res_conn, 200)

	assert status["url"] != direct.data["id"]
	end

	test "replying to a status", %{conn: conn} do
	user = insert(:user)

	{:ok, replied_to} = TwitterAPI.create_status(user, %{"status" => "cofe"})

	conn =
	conn
	\|> assign(:user, user)
	\|> post("/api/v1/statuses", %{"status" => "xD", "in_reply_to_id" => replied_to.id})

	assert %{"content" => "xD", "id" => id} = json_response(conn, 200)

	activity = Repo.get(Activity, id)

	assert activity.data["context"] == replied_to.data["context"]
	assert activity.data["object"]["inReplyToStatusId"] == replied_to.id
	end

	test "posting a status with an invalid in_reply_to_id", %{conn: conn} do
	user = insert(:user)

	conn =
	conn
	\|> assign(:user, user)
	\|> post("/api/v1/statuses", %{"status" => "xD", "in_reply_to_id" => ""})

	assert %{"content" => "xD", "id" => id} = json_response(conn, 200)

	activity = Repo.get(Activity, id)

	assert activity
	end

	test "verify_credentials", %{conn: conn} do
	user = insert(:user)

	conn =
	conn
	\|> assign(:user, user)
	\|> get("/api/v1/accounts/verify_credentials")

	assert %{"id" => id, "source" => %{"privacy" => "public"}} = json_response(conn, 200)
	assert id == to_string(user.id)
	end

	test "verify_credentials default scope unlisted", %{conn: conn} do
	user = insert(:user, %{info: %Pleroma.User.Info{default_scope: "unlisted"}})

	conn =
	conn
	\|> assign(:user, user)
	\|> get("/api/v1/accounts/verify_credentials")

	assert %{"id" => id, "source" => %{"privacy" => "unlisted"}} = json_response(conn, 200)
	assert id == to_string(user.id)
	end

	test "get a status", %{conn: conn} do
	activity = insert(:note_activity)

	conn =
	conn
	\|> get("/api/v1/statuses/#{activity.id}")

	assert %{"id" => id} = json_response(conn, 200)
	assert id == to_string(activity.id)
	end

	describe "deleting a status" do
	test "when you created it", %{conn: conn} do
	activity = insert(:note_activity)
	author = User.get_by_ap_id(activity.data["actor"])

	conn =
	conn
	\|> assign(:user, author)
	\|> delete("/api/v1/statuses/#{activity.id}")

	assert %{} = json_response(conn, 200)

	refute Repo.get(Activity, activity.id)
	end

	test "when you didn't create it", %{conn: conn} do
	activity = insert(:note_activity)
	user = insert(:user)

	conn =
	conn
	\|> assign(:user, user)
	\|> delete("/api/v1/statuses/#{activity.id}")

	assert %{"error" => _} = json_response(conn, 403)

	assert Repo.get(Activity, activity.id) == activity
	end
	end

	describe "filters" do
	test "creating a filter", %{conn: conn} do
	user = insert(:user)

	filter = %Pleroma.Filter{
	phrase: "knights",
	context: ["home"]
	}

	conn =
	conn
	\|> assign(:user, user)
	\|> post("/api/v1/filters", %{"phrase" => filter.phrase, context: filter.context})

	assert response = json_response(conn, 200)
	assert response["phrase"] == filter.phrase
	assert response["context"] == filter.context
	assert response["id"] != nil
	assert response["id"] != ""
	end

	test "fetching a list of filters", %{conn: conn} do
	user = insert(:user)

	query_one = %Pleroma.Filter{
	user_id: user.id,
	filter_id: 1,
	phrase: "knights",
	context: ["home"]
	}

	query_two = %Pleroma.Filter{
	user_id: user.id,
	filter_id: 2,
	phrase: "who",
	context: ["home"]
	}

	{:ok, filter_one} = Pleroma.Filter.create(query_one)
	{:ok, filter_two} = Pleroma.Filter.create(query_two)

	response =
	conn
	\|> assign(:user, user)
	\|> get("/api/v1/filters")
	\|> json_response(200)

	assert response ==
	render_json(
	FilterView,
	"filters.json",
	filters: [filter_two, filter_one]
	)
	end

	test "get a filter", %{conn: conn} do
	user = insert(:user)

	query = %Pleroma.Filter{
	user_id: user.id,
	filter_id: 2,
	phrase: "knight",
	context: ["home"]
	}

	{:ok, filter} = Pleroma.Filter.create(query)

	conn =
	conn
	\|> assign(:user, user)
	\|> get("/api/v1/filters/#{filter.filter_id}")

	assert _response = json_response(conn, 200)
	end

	test "update a filter", %{conn: conn} do
	user = insert(:user)

	query = %Pleroma.Filter{
	user_id: user.id,
	filter_id: 2,
	phrase: "knight",
	context: ["home"]
	}

	{:ok, _filter} = Pleroma.Filter.create(query)

	new = %Pleroma.Filter{
	phrase: "nii",
	context: ["home"]
	}

	conn =
	conn
	\|> assign(:user, user)
	\|> put("/api/v1/filters/#{query.filter_id}", %{
	phrase: new.phrase,
	context: new.context
	})

	assert response = json_response(conn, 200)
	assert response["phrase"] == new.phrase
	assert response["context"] == new.context
	end

	test "delete a filter", %{conn: conn} do
	user = insert(:user)

	query = %Pleroma.Filter{
	user_id: user.id,
	filter_id: 2,
	phrase: "knight",
	context: ["home"]
	}

	{:ok, filter} = Pleroma.Filter.create(query)

	conn =
	conn
	\|> assign(:user, user)
	\|> delete("/api/v1/filters/#{filter.filter_id}")

	assert response = json_response(conn, 200)
	assert response == %{}
	end
	end

	describe "lists" do
	test "creating a list", %{conn: conn} do
	user = insert(:user)

	conn =
	conn
	\|> assign(:user, user)
	\|> post("/api/v1/lists", %{"title" => "cuties"})

	assert %{"title" => title} = json_response(conn, 200)
	assert title == "cuties"
	end

	test "adding users to a list", %{conn: conn} do
	user = insert(:user)
	other_user = insert(:user)
	{:ok, list} = Pleroma.List.create("name", user)

	conn =
	conn
	\|> assign(:user, user)
	\|> post("/api/v1/lists/#{list.id}/accounts", %{"account_ids" => [other_user.id]})

	assert %{} == json_response(conn, 200)
	%Pleroma.List{following: following} = Pleroma.List.get(list.id, user)
	assert following == [other_user.follower_address]
	end

	test "removing users from a list", %{conn: conn} do
	user = insert(:user)
	other_user = insert(:user)
	third_user = insert(:user)
	{:ok, list} = Pleroma.List.create("name", user)
	{:ok, list} = Pleroma.List.follow(list, other_user)
	{:ok, list} = Pleroma.List.follow(list, third_user)

	conn =
	conn
	\|> assign(:user, user)
	\|> delete("/api/v1/lists/#{list.id}/accounts", %{"account_ids" => [other_user.id]})

	assert %{} == json_response(conn, 200)
	%Pleroma.List{following: following} = Pleroma.List.get(list.id, user)
	assert following == [third_user.follower_address]
	end

	test "listing users in a list", %{conn: conn} do
	user = insert(:user)
	other_user = insert(:user)
	{:ok, list} = Pleroma.List.create("name", user)
	{:ok, list} = Pleroma.List.follow(list, other_user)

	conn =
	conn
	\|> assign(:user, user)
	\|> get("/api/v1/lists/#{list.id}/accounts", %{"account_ids" => [other_user.id]})

	assert [%{"id" => id}] = json_response(conn, 200)
	assert id == to_string(other_user.id)
	end

	test "retrieving a list", %{conn: conn} do
	user = insert(:user)
	{:ok, list} = Pleroma.List.create("name", user)

	conn =
	conn
	\|> assign(:user, user)
	\|> get("/api/v1/lists/#{list.id}")

	assert %{"id" => id} = json_response(conn, 200)
	assert id == to_string(list.id)
	end

	test "renaming a list", %{conn: conn} do
	user = insert(:user)
	{:ok, list} = Pleroma.List.create("name", user)

	conn =
	conn
	\|> assign(:user, user)
	\|> put("/api/v1/lists/#{list.id}", %{"title" => "newname"})

	assert %{"title" => name} = json_response(conn, 200)
	assert name == "newname"
	end

	test "deleting a list", %{conn: conn} do
	user = insert(:user)
	{:ok, list} = Pleroma.List.create("name", user)

	conn =
	conn
	\|> assign(:user, user)
	\|> delete("/api/v1/lists/#{list.id}")

	assert %{} = json_response(conn, 200)
	assert is_nil(Repo.get(Pleroma.List, list.id))
	end

	test "list timeline", %{conn: conn} do
	user = insert(:user)
	other_user = insert(:user)
	{:ok, _activity_one} = TwitterAPI.create_status(user, %{"status" => "Marisa is cute."})
	{:ok, activity_two} = TwitterAPI.create_status(other_user, %{"status" => "Marisa is cute."})
	{:ok, list} = Pleroma.List.create("name", user)
	{:ok, list} = Pleroma.List.follow(list, other_user)

	conn =
	conn
	\|> assign(:user, user)
	\|> get("/api/v1/timelines/list/#{list.id}")

	assert [%{"id" => id}] = json_response(conn, 200)

	assert id == to_string(activity_two.id)
	end

	test "list timeline does not leak non-public statuses for unfollowed users", %{conn: conn} do
	user = insert(:user)
	other_user = insert(:user)
	{:ok, activity_one} = TwitterAPI.create_status(other_user, %{"status" => "Marisa is cute."})

	{:ok, _activity_two} =
	TwitterAPI.create_status(other_user, %{
	"status" => "Marisa is cute.",
	"visibility" => "private"
	})

	{:ok, list} = Pleroma.List.create("name", user)
	{:ok, list} = Pleroma.List.follow(list, other_user)

	conn =
	conn
	\|> assign(:user, user)
	\|> get("/api/v1/timelines/list/#{list.id}")

	assert [%{"id" => id}] = json_response(conn, 200)

	assert id == to_string(activity_one.id)
	end
	end

	describe "notifications" do
	test "list of notifications", %{conn: conn} do
	user = insert(:user)
	other_user = insert(:user)

	{:ok, activity} =
	TwitterAPI.create_status(other_user, %{"status" => "hi @#{user.nickname}"})

	{:ok, [_notification]} = Notification.create_notifications(activity)

	conn =
	conn
	\|> assign(:user, user)
	\|> get("/api/v1/notifications")

	expected_response =
	"hi <span class=\"h-card\"><a data-user=\"#{user.id}\" class=\"u-url mention\" href=\"#{
	user.ap_id
	}\">@<span>#{user.nickname}</span></a></span>"

	assert [%{"status" => %{"content" => response}} \| _rest] = json_response(conn, 200)
	assert response == expected_response
	end

	test "getting a single notification", %{conn: conn} do
	user = insert(:user)
	other_user = insert(:user)

	{:ok, activity} =
	TwitterAPI.create_status(other_user, %{"status" => "hi @#{user.nickname}"})

	{:ok, [notification]} = Notification.create_notifications(activity)

	conn =
	conn
	\|> assign(:user, user)
	\|> get("/api/v1/notifications/#{notification.id}")

	expected_response =
	"hi <span class=\"h-card\"><a data-user=\"#{user.id}\" class=\"u-url mention\" href=\"#{
	user.ap_id
	}\">@<span>#{user.nickname}</span></a></span>"

	assert %{"status" => %{"content" => response}} = json_response(conn, 200)
	assert response == expected_response
	end

	test "dismissing a single notification", %{conn: conn} do
	user = insert(:user)
	other_user = insert(:user)

	{:ok, activity} =
	TwitterAPI.create_status(other_user, %{"status" => "hi @#{user.nickname}"})

	{:ok, [notification]} = Notification.create_notifications(activity)

	conn =
	conn
	\|> assign(:user, user)
	\|> post("/api/v1/notifications/dismiss", %{"id" => notification.id})

	assert %{} = json_response(conn, 200)
	end

	test "clearing all notifications", %{conn: conn} do
	user = insert(:user)
	other_user = insert(:user)

	{:ok, activity} =
	TwitterAPI.create_status(other_user, %{"status" => "hi @#{user.nickname}"})

	{:ok, [_notification]} = Notification.create_notifications(activity)

	conn =
	conn
	\|> assign(:user, user)
	\|> post("/api/v1/notifications/clear")

	assert %{} = json_response(conn, 200)

	conn =
	build_conn()
	\|> assign(:user, user)
	\|> get("/api/v1/notifications")

	assert all = json_response(conn, 200)
	assert all == []
	end
	end

	describe "reblogging" do
	test "reblogs and returns the reblogged status", %{conn: conn} do
	activity = insert(:note_activity)
	user = insert(:user)

	conn =
	conn
	\|> assign(:user, user)
	\|> post("/api/v1/statuses/#{activity.id}/reblog")

	assert %{"reblog" => %{"id" => id, "reblogged" => true, "reblogs_count" => 1}} =
	json_response(conn, 200)

	assert to_string(activity.id) == id
	end
	end

	describe "unreblogging" do
	test "unreblogs and returns the unreblogged status", %{conn: conn} do
	activity = insert(:note_activity)
	user = insert(:user)

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

	conn =
	conn
	\|> assign(:user, user)
	\|> post("/api/v1/statuses/#{activity.id}/unreblog")

	assert %{"id" => id, "reblogged" => false, "reblogs_count" => 0} = json_response(conn, 200)

	assert to_string(activity.id) == id
	end
	end

	describe "favoriting" do
	test "favs a status and returns it", %{conn: conn} do
	activity = insert(:note_activity)
	user = insert(:user)

	conn =
	conn
	\|> assign(:user, user)
	\|> post("/api/v1/statuses/#{activity.id}/favourite")

	assert %{"id" => id, "favourites_count" => 1, "favourited" => true} =
	json_response(conn, 200)

	assert to_string(activity.id) == id
	end

	test "returns 500 for a wrong id", %{conn: conn} do
	user = insert(:user)

	resp =
	conn
	\|> assign(:user, user)
	\|> post("/api/v1/statuses/1/favourite")
	\|> json_response(500)

	assert resp == "Something went wrong"
	end
	end

	describe "unfavoriting" do
	test "unfavorites a status and returns it", %{conn: conn} do
	activity = insert(:note_activity)
	user = insert(:user)

	{:ok, _, _} = CommonAPI.favorite(activity.id, user)

	conn =
	conn
	\|> assign(:user, user)
	\|> post("/api/v1/statuses/#{activity.id}/unfavourite")

	assert %{"id" => id, "favourites_count" => 0, "favourited" => false} =
	json_response(conn, 200)

	assert to_string(activity.id) == id
	end
	end

	describe "user timelines" do
	test "gets a users statuses", %{conn: conn} do
	user_one = insert(:user)
	user_two = insert(:user)
	user_three = insert(:user)

	{:ok, user_three} = User.follow(user_three, user_one)

	{:ok, activity} = CommonAPI.post(user_one, %{"status" => "HI!!!"})

	{:ok, direct_activity} =
	CommonAPI.post(user_one, %{
	"status" => "Hi, @#{user_two.nickname}.",
	"visibility" => "direct"
	})

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

	resp =
	conn
	\|> get("/api/v1/accounts/#{user_one.id}/statuses")

	assert [%{"id" => id}] = json_response(resp, 200)
	assert id == to_string(activity.id)

	resp =
	conn
	\|> assign(:user, user_two)
	\|> get("/api/v1/accounts/#{user_one.id}/statuses")

	assert [%{"id" => id_one}, %{"id" => id_two}] = json_response(resp, 200)
	assert id_one == to_string(direct_activity.id)
	assert id_two == to_string(activity.id)

	resp =
	conn
	\|> assign(:user, user_three)
	\|> get("/api/v1/accounts/#{user_one.id}/statuses")

	assert [%{"id" => id_one}, %{"id" => id_two}] = json_response(resp, 200)
	assert id_one == to_string(private_activity.id)
	assert id_two == to_string(activity.id)
	end

	test "unimplemented pinned statuses feature", %{conn: conn} do
	note = insert(:note_activity)
	user = User.get_by_ap_id(note.data["actor"])

	conn =
	conn
	\|> get("/api/v1/accounts/#{user.id}/statuses?pinned=true")

	assert json_response(conn, 200) == []
	end

	test "gets an users media", %{conn: conn} do
	note = insert(:note_activity)
	user = User.get_by_ap_id(note.data["actor"])

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

	media =
	TwitterAPI.upload(file, user, "json")
	\|> Poison.decode!()

	{:ok, image_post} =
	TwitterAPI.create_status(user, %{"status" => "cofe", "media_ids" => [media["media_id"]]})

	conn =
	conn
	\|> get("/api/v1/accounts/#{user.id}/statuses", %{"only_media" => "true"})

	assert [%{"id" => id}] = json_response(conn, 200)
	assert id == to_string(image_post.id)

	conn =
	build_conn()
	\|> get("/api/v1/accounts/#{user.id}/statuses", %{"only_media" => "1"})

	assert [%{"id" => id}] = json_response(conn, 200)
	assert id == to_string(image_post.id)
	end

	test "gets a user's statuses without reblogs", %{conn: conn} do
	user = insert(:user)
	{:ok, post} = CommonAPI.post(user, %{"status" => "HI!!!"})
	{:ok, _, _} = CommonAPI.repeat(post.id, user)

	conn =
	conn
	\|> get("/api/v1/accounts/#{user.id}/statuses", %{"exclude_reblogs" => "true"})

	assert [%{"id" => id}] = json_response(conn, 200)
	assert id == to_string(post.id)

	conn =
	conn
	\|> get("/api/v1/accounts/#{user.id}/statuses", %{"exclude_reblogs" => "1"})

	assert [%{"id" => id}] = json_response(conn, 200)
	assert id == to_string(post.id)
	end
	end

	describe "user relationships" do
	test "returns the relationships for the current user", %{conn: conn} do
	user = insert(:user)
	other_user = insert(:user)
	{:ok, user} = User.follow(user, other_user)

	conn =
	conn
	\|> assign(:user, user)
	\|> get("/api/v1/accounts/relationships", %{"id" => [other_user.id]})

	assert [relationship] = json_response(conn, 200)

	assert to_string(other_user.id) == relationship["id"]
	end
	end

	describe "locked accounts" do
	test "/api/v1/follow_requests works" do
	user = insert(:user, %{info: %Pleroma.User.Info{locked: true}})
	other_user = insert(:user)

	{:ok, _activity} = ActivityPub.follow(other_user, user)

	user = Repo.get(User, user.id)
	other_user = Repo.get(User, other_user.id)

	assert User.following?(other_user, user) == false

	conn =
	build_conn()
	\|> assign(:user, user)
	\|> get("/api/v1/follow_requests")

	assert [relationship] = json_response(conn, 200)
	assert to_string(other_user.id) == relationship["id"]
	end

	test "/api/v1/follow_requests/:id/authorize works" do
	user = insert(:user, %{info: %User.Info{locked: true}})
	other_user = insert(:user)

	{:ok, _activity} = ActivityPub.follow(other_user, user)

	user = Repo.get(User, user.id)
	other_user = Repo.get(User, other_user.id)

	assert User.following?(other_user, user) == false
	assert user.info.follow_request_count == 1

	conn =
	build_conn()
	\|> assign(:user, user)
	\|> post("/api/v1/follow_requests/#{other_user.id}/authorize")

	assert relationship = json_response(conn, 200)
	assert to_string(other_user.id) == relationship["id"]

	user = Repo.get(User, user.id)
	other_user = Repo.get(User, other_user.id)

	assert User.following?(other_user, user) == true
	assert user.info.follow_request_count == 0
	end

	test "verify_credentials", %{conn: conn} do
	user = insert(:user, %{info: %Pleroma.User.Info{default_scope: "private"}})

	conn =
	conn
	\|> assign(:user, user)
	\|> get("/api/v1/accounts/verify_credentials")

	assert %{"id" => id, "source" => %{"privacy" => "private"}} = json_response(conn, 200)
	assert id == to_string(user.id)
	end

	test "/api/v1/follow_requests/:id/reject works" do
	user = insert(:user, %{info: %Pleroma.User.Info{locked: true}})
	other_user = insert(:user)

	{:ok, _activity} = ActivityPub.follow(other_user, user)

	user = Repo.get(User, user.id)
	assert user.info.follow_request_count == 1

	conn =
	build_conn()
	\|> assign(:user, user)
	\|> post("/api/v1/follow_requests/#{other_user.id}/reject")

	assert relationship = json_response(conn, 200)
	assert to_string(other_user.id) == relationship["id"]

	user = Repo.get(User, user.id)
	other_user = Repo.get(User, other_user.id)

	assert User.following?(other_user, user) == false
	assert user.info.follow_request_count == 0
	end
	end

	test "account fetching", %{conn: conn} do
	user = insert(:user)

	conn =
	conn
	\|> get("/api/v1/accounts/#{user.id}")

	assert %{"id" => id} = json_response(conn, 200)
	assert id == to_string(user.id)

	conn =
	build_conn()
	\|> get("/api/v1/accounts/-1")

	assert %{"error" => "Can't find user"} = json_response(conn, 404)
	end

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

	desc = "Description of the image"

	user = insert(:user)

	conn =
	conn
	\|> assign(:user, user)
	\|> post("/api/v1/media", %{"file" => file, "description" => desc})

	assert media = json_response(conn, 200)

	assert media["type"] == "image"
	assert media["description"] == desc
	assert media["id"]

	object = Repo.get(Object, media["id"])
	assert object.data["actor"] == User.ap_id(user)
	end

	test "hashtag timeline", %{conn: conn} do
	following = insert(:user)

	capture_log(fn ->
	{:ok, activity} = TwitterAPI.create_status(following, %{"status" => "test #2hu"})

	{:ok, [_activity]} =
	OStatus.fetch_activity_from_url("https://shitposter.club/notice/2827873")

	nconn =
	conn
	\|> get("/api/v1/timelines/tag/2hu")

	assert [%{"id" => id}] = json_response(nconn, 200)

	assert id == to_string(activity.id)

	# works for different capitalization too
	nconn =
	conn
	\|> get("/api/v1/timelines/tag/2HU")

	assert [%{"id" => id}] = json_response(nconn, 200)

	assert id == to_string(activity.id)
	end)
	end

	test "multi-hashtag timeline", %{conn: conn} do
	user = insert(:user)

	{:ok, activity_test} = CommonAPI.post(user, %{"status" => "#test"})
	{:ok, activity_test1} = CommonAPI.post(user, %{"status" => "#test #test1"})
	{:ok, activity_none} = CommonAPI.post(user, %{"status" => "#test #none"})

	any_test =
	conn
	\|> get("/api/v1/timelines/tag/test", %{"any" => ["test1"]})

	[status_none, status_test1, status_test] = json_response(any_test, 200)

	assert to_string(activity_test.id) == status_test["id"]
	assert to_string(activity_test1.id) == status_test1["id"]
	assert to_string(activity_none.id) == status_none["id"]

	restricted_test =
	conn
	\|> get("/api/v1/timelines/tag/test", %{"all" => ["test1"], "none" => ["none"]})

	assert [status_test1] == json_response(restricted_test, 200)

	all_test = conn \|> get("/api/v1/timelines/tag/test", %{"all" => ["none"]})

	assert [status_none] == json_response(all_test, 200)
	end

	test "getting followers", %{conn: conn} do
	user = insert(:user)
	other_user = insert(:user)
	{:ok, user} = User.follow(user, other_user)

	conn =
	conn
	\|> get("/api/v1/accounts/#{other_user.id}/followers")

	assert [%{"id" => id}] = json_response(conn, 200)
	assert id == to_string(user.id)
	end

	test "getting followers, hide_followers", %{conn: conn} do
	user = insert(:user)
	other_user = insert(:user, %{info: %{hide_followers: true}})
	{:ok, _user} = User.follow(user, other_user)

	conn =
	conn
	\|> get("/api/v1/accounts/#{other_user.id}/followers")

	assert [] == json_response(conn, 200)
	end

	test "getting followers, hide_followers, same user requesting", %{conn: conn} do
	user = insert(:user)
	other_user = insert(:user, %{info: %{hide_followers: true}})
	{:ok, _user} = User.follow(user, other_user)

	conn =
	conn
	\|> assign(:user, other_user)
	\|> get("/api/v1/accounts/#{other_user.id}/followers")

	refute [] == json_response(conn, 200)
	end

	test "getting following", %{conn: conn} do
	user = insert(:user)
	other_user = insert(:user)
	{:ok, user} = User.follow(user, other_user)

	conn =
	conn
	\|> get("/api/v1/accounts/#{user.id}/following")

	assert [%{"id" => id}] = json_response(conn, 200)
	assert id == to_string(other_user.id)
	end

	test "getting following, hide_follows", %{conn: conn} do
	user = insert(:user, %{info: %{hide_follows: true}})
	other_user = insert(:user)
	{:ok, user} = User.follow(user, other_user)

	conn =
	conn
	\|> get("/api/v1/accounts/#{user.id}/following")

	assert [] == json_response(conn, 200)
	end

	test "getting following, hide_follows, same user requesting", %{conn: conn} do
	user = insert(:user, %{info: %{hide_follows: true}})
	other_user = insert(:user)
	{:ok, user} = User.follow(user, other_user)

	conn =
	conn
	\|> assign(:user, user)
	\|> get("/api/v1/accounts/#{user.id}/following")

	refute [] == json_response(conn, 200)
	end

	test "following / unfollowing a user", %{conn: conn} do
	user = insert(:user)
	other_user = insert(:user)

	conn =
	conn
	\|> assign(:user, user)
	\|> post("/api/v1/accounts/#{other_user.id}/follow")

	assert %{"id" => _id, "following" => true} = json_response(conn, 200)

	user = Repo.get(User, user.id)

	conn =
	build_conn()
	\|> assign(:user, user)
	\|> post("/api/v1/accounts/#{other_user.id}/unfollow")

	assert %{"id" => _id, "following" => false} = json_response(conn, 200)

	user = Repo.get(User, user.id)

	conn =
	build_conn()
	\|> assign(:user, user)
	\|> post("/api/v1/follows", %{"uri" => other_user.nickname})

	assert %{"id" => id} = json_response(conn, 200)
	assert id == to_string(other_user.id)
	end

	test "muting / unmuting a user", %{conn: conn} do
	user = insert(:user)
	other_user = insert(:user)

	conn =
	conn
	\|> assign(:user, user)
	\|> post("/api/v1/accounts/#{other_user.id}/mute")

	assert %{"id" => _id, "muting" => true} = json_response(conn, 200)

	user = Repo.get(User, user.id)

	conn =
	build_conn()
	\|> assign(:user, user)
	\|> post("/api/v1/accounts/#{other_user.id}/unmute")

	assert %{"id" => _id, "muting" => false} = json_response(conn, 200)
	end

	test "getting a list of mutes", %{conn: conn} do
	user = insert(:user)
	other_user = insert(:user)

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

	conn =
	conn
	\|> assign(:user, user)
	\|> get("/api/v1/mutes")

	other_user_id = to_string(other_user.id)
	assert [%{"id" => ^other_user_id}] = json_response(conn, 200)
	end

	test "blocking / unblocking a user", %{conn: conn} do
	user = insert(:user)
	other_user = insert(:user)

	conn =
	conn
	\|> assign(:user, user)
	\|> post("/api/v1/accounts/#{other_user.id}/block")

	assert %{"id" => _id, "blocking" => true} = json_response(conn, 200)

	user = Repo.get(User, user.id)

	conn =
	build_conn()
	\|> assign(:user, user)
	\|> post("/api/v1/accounts/#{other_user.id}/unblock")

	assert %{"id" => _id, "blocking" => false} = json_response(conn, 200)
	end

	test "getting a list of blocks", %{conn: conn} do
	user = insert(:user)
	other_user = insert(:user)

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

	conn =
	conn
	\|> assign(:user, user)
	\|> get("/api/v1/blocks")

	other_user_id = to_string(other_user.id)
	assert [%{"id" => ^other_user_id}] = json_response(conn, 200)
	end

	test "blocking / unblocking a domain", %{conn: conn} do
	user = insert(:user)
	other_user = insert(:user, %{ap_id: "https://dogwhistle.zone/@pundit"})

	conn =
	conn
	\|> assign(:user, user)
	\|> post("/api/v1/domain_blocks", %{"domain" => "dogwhistle.zone"})

	assert %{} = json_response(conn, 200)
	user = User.get_cached_by_ap_id(user.ap_id)
	assert User.blocks?(user, other_user)

	conn =
	build_conn()
	\|> assign(:user, user)
	\|> delete("/api/v1/domain_blocks", %{"domain" => "dogwhistle.zone"})

	assert %{} = json_response(conn, 200)
	user = User.get_cached_by_ap_id(user.ap_id)
	refute User.blocks?(user, other_user)
	end

	test "getting a list of domain blocks", %{conn: conn} do
	user = insert(:user)

	{:ok, user} = User.block_domain(user, "bad.site")
	{:ok, user} = User.block_domain(user, "even.worse.site")

	conn =
	conn
	\|> assign(:user, user)
	\|> get("/api/v1/domain_blocks")

	domain_blocks = json_response(conn, 200)

	assert "bad.site" in domain_blocks
	assert "even.worse.site" in domain_blocks
	end

	test "unimplemented follow_requests, blocks, domain blocks" do
	user = insert(:user)

	["blocks", "domain_blocks", "follow_requests"]
	\|> Enum.each(fn endpoint ->
	conn =
	build_conn()
	\|> assign(:user, user)
	\|> get("/api/v1/#{endpoint}")

	assert [] = json_response(conn, 200)
	end)
	end

	test "account search", %{conn: conn} do
	user = insert(:user)
	user_two = insert(:user, %{nickname: "shp@shitposter.club"})
	user_three = insert(:user, %{nickname: "shp@heldscal.la", name: "I love 2hu"})

	results =
	conn
	\|> assign(:user, user)
	\|> get("/api/v1/accounts/search", %{"q" => "shp"})
	\|> json_response(200)

	result_ids = for result <- results, do: result["acct"]

	assert user_two.nickname in result_ids
	assert user_three.nickname in result_ids

	results =
	conn
	\|> assign(:user, user)
	\|> get("/api/v1/accounts/search", %{"q" => "2hu"})
	\|> json_response(200)

	result_ids = for result <- results, do: result["acct"]

	assert user_three.nickname in result_ids
	end

	test "search", %{conn: conn} do
	user = insert(:user)
	user_two = insert(:user, %{nickname: "shp@shitposter.club"})
	user_three = insert(:user, %{nickname: "shp@heldscal.la", name: "I love 2hu"})

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

	{:ok, _activity} =
	CommonAPI.post(user, %{
	"status" => "This is about 2hu, but private",
	"visibility" => "private"
	})

	{:ok, _} = CommonAPI.post(user_two, %{"status" => "This isn't"})

	conn =
	conn
	\|> get("/api/v1/search", %{"q" => "2hu"})

	assert results = json_response(conn, 200)

	[account \| _] = results["accounts"]
	assert account["id"] == to_string(user_three.id)

	assert results["hashtags"] == []

	[status] = results["statuses"]
	assert status["id"] == to_string(activity.id)
	end

	test "search fetches remote statuses", %{conn: conn} do
	capture_log(fn ->
	conn =
	conn
	\|> get("/api/v1/search", %{"q" => "https://shitposter.club/notice/2827873"})

	assert results = json_response(conn, 200)

	[status] = results["statuses"]
	assert status["uri"] == "tag:shitposter.club,2017-05-05:noticeId=2827873:objectType=comment"
	end)
	end

	test "search doesn't show statuses that it shouldn't", %{conn: conn} do
	{:ok, activity} =
	CommonAPI.post(insert(:user), %{
	"status" => "This is about 2hu, but private",
	"visibility" => "private"
	})

	capture_log(fn ->
	conn =
	conn
	\|> get("/api/v1/search", %{"q" => activity.data["object"]["id"]})

	assert results = json_response(conn, 200)

	[] = results["statuses"]
	end)
	end

	test "search fetches remote accounts", %{conn: conn} do
	conn =
	conn
	\|> get("/api/v1/search", %{"q" => "shp@social.heldscal.la", "resolve" => "true"})

	assert results = json_response(conn, 200)
	[account] = results["accounts"]
	assert account["acct"] == "shp@social.heldscal.la"
	end

	test "returns the favorites of a user", %{conn: conn} do
	user = insert(:user)
	other_user = insert(:user)

	{:ok, _} = CommonAPI.post(other_user, %{"status" => "bla"})
	{:ok, activity} = CommonAPI.post(other_user, %{"status" => "traps are happy"})

	{:ok, _, _} = CommonAPI.favorite(activity.id, user)

	first_conn =
	conn
	\|> assign(:user, user)
	\|> get("/api/v1/favourites")

	assert [status] = json_response(first_conn, 200)
	assert status["id"] == to_string(activity.id)

	assert [{"link", _link_header}] =
	Enum.filter(first_conn.resp_headers, fn element -> match?({"link", _}, element) end)

	# Honours query params
	{:ok, second_activity} =
	CommonAPI.post(other_user, %{
	"status" =>
	"Trees Are Never Sad Look At Them Every Once In Awhile They're Quite Beautiful."
	})

	{:ok, _, _} = CommonAPI.favorite(second_activity.id, user)

	last_like = status["id"]

	second_conn =
	conn
	\|> assign(:user, user)
	\|> get("/api/v1/favourites?since_id=#{last_like}")

	assert [second_status] = json_response(second_conn, 200)
	assert second_status["id"] == to_string(second_activity.id)

	third_conn =
	conn
	\|> assign(:user, user)
	\|> get("/api/v1/favourites?limit=0")

	assert [] = json_response(third_conn, 200)
	end

	describe "updating credentials" do
	test "updates the user's bio", %{conn: conn} do
	user = insert(:user)
	user2 = insert(:user)

	conn =
	conn
	\|> assign(:user, user)
	\|> patch("/api/v1/accounts/update_credentials", %{
	"note" => "I drink #cofe with @#{user2.nickname}"
	})

	assert user = json_response(conn, 200)

	assert user["note"] ==
	"I drink <a class=\"hashtag\" data-tag=\"cofe\" href=\"http://localhost:4001/tag/cofe\">#cofe</a> with <span class=\"h-card\"><a data-user=\"#{
	user2.id
	}\" class=\"u-url mention\" href=\"#{user2.ap_id}\">@<span>#{user2.nickname}</span></a></span>"
	end

	test "updates the user's locking status", %{conn: conn} do
	user = insert(:user)

	conn =
	conn
	\|> assign(:user, user)
	\|> patch("/api/v1/accounts/update_credentials", %{locked: "true"})

	assert user = json_response(conn, 200)
	assert user["locked"] == true
	end

	test "updates the user's name", %{conn: conn} do
	user = insert(:user)

	conn =
	conn
	\|> assign(:user, user)
	\|> patch("/api/v1/accounts/update_credentials", %{"display_name" => "markorepairs"})

	assert user = json_response(conn, 200)
	assert user["display_name"] == "markorepairs"
	end

	test "updates the user's avatar", %{conn: conn} do
	user = insert(:user)

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

	conn =
	conn
	\|> assign(:user, user)
	\|> patch("/api/v1/accounts/update_credentials", %{"avatar" => new_avatar})

	assert user_response = json_response(conn, 200)
	assert user_response["avatar"] != User.avatar_url(user)
	end

	test "updates the user's banner", %{conn: conn} do
	user = insert(:user)

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

	conn =
	conn
	\|> assign(:user, user)
	\|> patch("/api/v1/accounts/update_credentials", %{"header" => new_header})

	assert user_response = json_response(conn, 200)
	assert user_response["header"] != User.banner_url(user)
	end

	test "requires 'write' permission", %{conn: conn} do
	token1 = insert(:oauth_token, scopes: ["read"])
	token2 = insert(:oauth_token, scopes: ["write", "follow"])

	for token <- [token1, token2] do
	conn =
	conn
	\|> put_req_header("authorization", "Bearer #{token.token}")
	\|> patch("/api/v1/accounts/update_credentials", %{})

	if token == token1 do
	assert %{"error" => "Insufficient permissions: write."} == json_response(conn, 403)
	else
	assert json_response(conn, 200)
	end
	end
	end
	end

	test "get instance information", %{conn: conn} do
	user = insert(:user, %{local: true})

	user2 = insert(:user, %{local: true})
	{:ok, _user2} = User.deactivate(user2, !user2.info.deactivated)

	insert(:user, %{local: false, nickname: "u@peer1.com"})
	insert(:user, %{local: false, nickname: "u@peer2.com"})

	{:ok, _} = TwitterAPI.create_status(user, %{"status" => "cofe"})

	# Stats should count users with missing or nil `info.deactivated` value
	user = Repo.get(User, user.id)
	info_change = Changeset.change(user.info, %{deactivated: nil})

	{:ok, _user} =
	user
	\|> Changeset.change()
	\|> Changeset.put_embed(:info, info_change)
	\|> User.update_and_set_cache()

	Pleroma.Stats.update_stats()

	conn = get(conn, "/api/v1/instance")

	assert result = json_response(conn, 200)

	stats = result["stats"]

	assert stats
	assert stats["user_count"] == 1
	assert stats["status_count"] == 1
	assert stats["domain_count"] == 2
	end

	test "get peers", %{conn: conn} do
	insert(:user, %{local: false, nickname: "u@peer1.com"})
	insert(:user, %{local: false, nickname: "u@peer2.com"})

	Pleroma.Stats.update_stats()

	conn = get(conn, "/api/v1/instance/peers")

	assert result = json_response(conn, 200)

	assert ["peer1.com", "peer2.com"] == Enum.sort(result)
	end

	test "put settings", %{conn: conn} do
	user = insert(:user)

	conn =
	conn
	\|> assign(:user, user)
	\|> put("/api/web/settings", %{"data" => %{"programming" => "socks"}})

	assert _result = json_response(conn, 200)

	user = User.get_cached_by_ap_id(user.ap_id)
	assert user.info.settings == %{"programming" => "socks"}
	end

	describe "pinned statuses" do
	setup do
	Pleroma.Config.put([:instance, :max_pinned_statuses], 1)

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

	[user: user, activity: activity]
	end

	test "returns pinned statuses", %{conn: conn, user: user, activity: activity} do
	{:ok, _} = CommonAPI.pin(activity.id, user)

	result =
	conn
	\|> assign(:user, user)
	\|> get("/api/v1/accounts/#{user.id}/statuses?pinned=true")
	\|> json_response(200)

	id_str = to_string(activity.id)

	assert [%{"id" => ^id_str, "pinned" => true}] = result
	end

	test "pin status", %{conn: conn, user: user, activity: activity} do
	id_str = to_string(activity.id)

	assert %{"id" => ^id_str, "pinned" => true} =
	conn
	\|> assign(:user, user)
	\|> post("/api/v1/statuses/#{activity.id}/pin")
	\|> json_response(200)

	assert [%{"id" => ^id_str, "pinned" => true}] =
	conn
	\|> assign(:user, user)
	\|> get("/api/v1/accounts/#{user.id}/statuses?pinned=true")
	\|> json_response(200)
	end

	test "unpin status", %{conn: conn, user: user, activity: activity} do
	{:ok, _} = CommonAPI.pin(activity.id, user)

	id_str = to_string(activity.id)
	user = refresh_record(user)

	assert %{"id" => ^id_str, "pinned" => false} =
	conn
	\|> assign(:user, user)
	\|> post("/api/v1/statuses/#{activity.id}/unpin")
	\|> json_response(200)

	assert [] =
	conn
	\|> assign(:user, user)
	\|> get("/api/v1/accounts/#{user.id}/statuses?pinned=true")
	\|> json_response(200)
	end

	test "max pinned statuses", %{conn: conn, user: user, activity: activity_one} do
	{:ok, activity_two} = CommonAPI.post(user, %{"status" => "HI!!!"})

	id_str_one = to_string(activity_one.id)

	assert %{"id" => ^id_str_one, "pinned" => true} =
	conn
	\|> assign(:user, user)
	\|> post("/api/v1/statuses/#{id_str_one}/pin")
	\|> json_response(200)

	user = refresh_record(user)

	assert %{"error" => "You have already pinned the maximum number of statuses"} =
	conn
	\|> assign(:user, user)
	\|> post("/api/v1/statuses/#{activity_two.id}/pin")
	\|> json_response(400)
	end

	test "Status rich-media Card", %{conn: conn, user: user} do
	Pleroma.Config.put([:rich_media, :enabled], true)
	{:ok, activity} = CommonAPI.post(user, %{"status" => "http://example.com/ogp"})

	response =
	conn
	\|> get("/api/v1/statuses/#{activity.id}/card")
	\|> json_response(200)

	assert response == %{
	"image" => "http://ia.media-imdb.com/images/rock.jpg",
	"provider_name" => "www.imdb.com",
	"provider_url" => "http://www.imdb.com",
	"title" => "The Rock",
	"type" => "link",
	"url" => "http://www.imdb.com/title/tt0117500/",
	"description" => nil,
	"pleroma" => %{
	"opengraph" => %{
	"image" => "http://ia.media-imdb.com/images/rock.jpg",
	"title" => "The Rock",
	"type" => "video.movie",
	"url" => "http://www.imdb.com/title/tt0117500/"
	}
	}
	}

	+ # works with private posts
	+ {:ok, activity} =
	+ CommonAPI.post(user, %{"status" => "http://example.com/ogp", "visibility" => "direct"})
	+
	+ response_two =
	+ conn
	+ \|> assign(:user, user)
	+ \|> get("/api/v1/statuses/#{activity.id}/card")
	+ \|> json_response(200)
	+
	+ assert response_two == response
	+
	Pleroma.Config.put([:rich_media, :enabled], false)
	end
	end

	test "bookmarks" do
	user = insert(:user)
	for_user = insert(:user)

	{:ok, activity1} =
	CommonAPI.post(user, %{
	"status" => "heweoo?"
	})

	{:ok, activity2} =
	CommonAPI.post(user, %{
	"status" => "heweoo!"
	})

	response1 =
	build_conn()
	\|> assign(:user, for_user)
	\|> post("/api/v1/statuses/#{activity1.id}/bookmark")

	assert json_response(response1, 200)["bookmarked"] == true

	response2 =
	build_conn()
	\|> assign(:user, for_user)
	\|> post("/api/v1/statuses/#{activity2.id}/bookmark")

	assert json_response(response2, 200)["bookmarked"] == true

	bookmarks =
	build_conn()
	\|> assign(:user, for_user)
	\|> get("/api/v1/bookmarks")

	assert [json_response(response2, 200), json_response(response1, 200)] ==
	json_response(bookmarks, 200)

	response1 =
	build_conn()
	\|> assign(:user, for_user)
	\|> post("/api/v1/statuses/#{activity1.id}/unbookmark")

	assert json_response(response1, 200)["bookmarked"] == false

	bookmarks =
	build_conn()
	\|> assign(:user, for_user)
	\|> get("/api/v1/bookmarks")

	assert [json_response(response2, 200)] == json_response(bookmarks, 200)
	end

	describe "conversation muting" do
	setup do
	user = insert(:user)
	{:ok, activity} = CommonAPI.post(user, %{"status" => "HIE"})

	[user: user, activity: activity]
	end

	test "mute conversation", %{conn: conn, user: user, activity: activity} do
	id_str = to_string(activity.id)

	assert %{"id" => ^id_str, "muted" => true} =
	conn
	\|> assign(:user, user)
	\|> post("/api/v1/statuses/#{activity.id}/mute")
	\|> json_response(200)
	end

	test "unmute conversation", %{conn: conn, user: user, activity: activity} do
	{:ok, _} = CommonAPI.add_mute(user, activity)

	id_str = to_string(activity.id)
	user = refresh_record(user)

	assert %{"id" => ^id_str, "muted" => false} =
	conn
	\|> assign(:user, user)
	\|> post("/api/v1/statuses/#{activity.id}/unmute")
	\|> json_response(200)
	end
	end

	test "flavours switching (Pleroma Extension)", %{conn: conn} do
	user = insert(:user)

	get_old_flavour =
	conn
	\|> assign(:user, user)
	\|> get("/api/v1/pleroma/flavour")

	assert "glitch" == json_response(get_old_flavour, 200)

	set_flavour =
	conn
	\|> assign(:user, user)
	\|> post("/api/v1/pleroma/flavour/vanilla")

	assert "vanilla" == json_response(set_flavour, 200)

	get_new_flavour =
	conn
	\|> assign(:user, user)
	\|> post("/api/v1/pleroma/flavour/vanilla")

	assert json_response(set_flavour, 200) == json_response(get_new_flavour, 200)
	end

	describe "reports" do
	setup do
	reporter = insert(:user)
	target_user = insert(:user)

	{:ok, activity} = CommonAPI.post(target_user, %{"status" => "foobar"})

	[reporter: reporter, target_user: target_user, activity: activity]
	end

	test "submit a basic report", %{conn: conn, reporter: reporter, target_user: target_user} do
	assert %{"action_taken" => false, "id" => _} =
	conn
	\|> assign(:user, reporter)
	\|> post("/api/v1/reports", %{"account_id" => target_user.id})
	\|> json_response(200)
	end

	test "submit a report with statuses and comment", %{
	conn: conn,
	reporter: reporter,
	target_user: target_user,
	activity: activity
	} do
	assert %{"action_taken" => false, "id" => _} =
	conn
	\|> assign(:user, reporter)
	\|> post("/api/v1/reports", %{
	"account_id" => target_user.id,
	"status_ids" => [activity.id],
	"comment" => "bad status!"
	})
	\|> json_response(200)
	end

	test "accound_id is required", %{
	conn: conn,
	reporter: reporter,
	activity: activity
	} do
	assert %{"error" => "Valid `account_id` required"} =
	conn
	\|> assign(:user, reporter)
	\|> post("/api/v1/reports", %{"status_ids" => [activity.id]})
	\|> json_response(400)
	end

	test "comment must be up to the size specified in the config", %{
	conn: conn,
	reporter: reporter,
	target_user: target_user
	} do
	max_size = Pleroma.Config.get([:instance, :max_report_comment_size], 1000)
	comment = String.pad_trailing("a", max_size + 1, "a")

	error = %{"error" => "Comment must be up to #{max_size} characters"}

	assert ^error =
	conn
	\|> assign(:user, reporter)
	\|> post("/api/v1/reports", %{"account_id" => target_user.id, "comment" => comment})
	\|> json_response(400)
	end
	end
	end

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