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	diff --git a/lib/pleroma/user.ex b/lib/pleroma/user.ex
	index 681280539..52638b446 100644
	--- a/lib/pleroma/user.ex
	+++ b/lib/pleroma/user.ex
	@@ -1,1043 +1,1100 @@
	# Pleroma: A lightweight social networking server
	# Copyright © 2017-2019 Pleroma Authors <https://pleroma.social/>
	# SPDX-License-Identifier: AGPL-3.0-only

	defmodule Pleroma.User do
	use Ecto.Schema

	import Ecto.{Changeset, Query}
	alias Pleroma.{Repo, User, Object, Web, Activity, Notification}
	alias Comeonin.Pbkdf2
	alias Pleroma.Formatter
	alias Pleroma.Web.CommonAPI.Utils, as: CommonUtils
	alias Pleroma.Web.{OStatus, Websub, OAuth}
	alias Pleroma.Web.ActivityPub.{Utils, ActivityPub}

	require Logger

	@type t :: %__MODULE__{}

	@email_regex ~r/^[a-zA-Z0-9.!#$%&'+\/=?^_`{\|}~-]+@[a-zA-Z0-9](?:[a-zA-Z0-9-]{0,61}[a-zA-Z0-9])?(?:\.[a-zA-Z0-9](?:[a-zA-Z0-9-]{0,61}[a-zA-Z0-9])?)$/

	@strict_local_nickname_regex ~r/^[a-zA-Z\d]+$/
	@extended_local_nickname_regex ~r/^[a-zA-Z\d_-]+$/

	schema "users" do
	field(:bio, :string)
	field(:email, :string)
	field(:name, :string)
	field(:nickname, :string)
	field(:password_hash, :string)
	field(:password, :string, virtual: true)
	field(:password_confirmation, :string, virtual: true)
	field(:following, {:array, :string}, default: [])
	field(:ap_id, :string)
	field(:avatar, :map)
	field(:local, :boolean, default: true)
	field(:follower_address, :string)
	- field(:search_distance, :float, virtual: true)
	+ field(:search_rank, :float, virtual: true)
	field(:tags, {:array, :string}, default: [])
	field(:last_refreshed_at, :naive_datetime)
	has_many(:notifications, Notification)
	embeds_one(:info, Pleroma.User.Info)

	timestamps()
	end

	def auth_active?(%User{local: false}), do: true

	def auth_active?(%User{info: %User.Info{confirmation_pending: false}}), do: true

	def auth_active?(%User{info: %User.Info{confirmation_pending: true}}),
	do: !Pleroma.Config.get([:instance, :account_activation_required])

	def auth_active?(_), do: false

	def visible_for?(user, for_user \\ nil)

	def visible_for?(%User{id: user_id}, %User{id: for_id}) when user_id == for_id, do: true

	def visible_for?(%User{} = user, for_user) do
	auth_active?(user) \|\| superuser?(for_user)
	end

	def visible_for?(_, _), do: false

	def superuser?(%User{local: true, info: %User.Info{is_admin: true}}), do: true
	def superuser?(%User{local: true, info: %User.Info{is_moderator: true}}), do: true
	def superuser?(_), do: false

	def avatar_url(user) do
	case user.avatar do
	%{"url" => [%{"href" => href} \| _]} -> href
	_ -> "#{Web.base_url()}/images/avi.png"
	end
	end

	def banner_url(user) do
	case user.info.banner do
	%{"url" => [%{"href" => href} \| _]} -> href
	_ -> "#{Web.base_url()}/images/banner.png"
	end
	end

	def profile_url(%User{info: %{source_data: %{"url" => url}}}), do: url
	def profile_url(%User{ap_id: ap_id}), do: ap_id
	def profile_url(_), do: nil

	def ap_id(%User{nickname: nickname}) do
	"#{Web.base_url()}/users/#{nickname}"
	end

	def ap_followers(%User{} = user) do
	"#{ap_id(user)}/followers"
	end

	def follow_changeset(struct, params \\ %{}) do
	struct
	\|> cast(params, [:following])
	\|> validate_required([:following])
	end

	def user_info(%User{} = user) do
	oneself = if user.local, do: 1, else: 0

	%{
	following_count: length(user.following) - oneself,
	note_count: user.info.note_count,
	follower_count: user.info.follower_count,
	locked: user.info.locked,
	confirmation_pending: user.info.confirmation_pending,
	default_scope: user.info.default_scope
	}
	end

	def remote_user_creation(params) do
	params =
	params
	\|> Map.put(:info, params[:info] \|\| %{})

	info_cng = User.Info.remote_user_creation(%User.Info{}, params[:info])

	changes =
	%User{}
	\|> cast(params, [:bio, :name, :ap_id, :nickname, :avatar])
	\|> validate_required([:name, :ap_id])
	\|> unique_constraint(:nickname)
	\|> validate_format(:nickname, @email_regex)
	\|> validate_length(:bio, max: 5000)
	\|> validate_length(:name, max: 100)
	\|> put_change(:local, false)
	\|> put_embed(:info, info_cng)

	if changes.valid? do
	case info_cng.changes[:source_data] do
	%{"followers" => followers} ->
	changes
	\|> put_change(:follower_address, followers)

	_ ->
	followers = User.ap_followers(%User{nickname: changes.changes[:nickname]})

	changes
	\|> put_change(:follower_address, followers)
	end
	else
	changes
	end
	end

	def update_changeset(struct, params \\ %{}) do
	struct
	\|> cast(params, [:bio, :name, :avatar])
	\|> unique_constraint(:nickname)
	\|> validate_format(:nickname, local_nickname_regex())
	\|> validate_length(:bio, max: 5000)
	\|> validate_length(:name, min: 1, max: 100)
	end

	def upgrade_changeset(struct, params \\ %{}) do
	params =
	params
	\|> Map.put(:last_refreshed_at, NaiveDateTime.utc_now())

	info_cng =
	struct.info
	\|> User.Info.user_upgrade(params[:info])

	struct
	\|> cast(params, [:bio, :name, :follower_address, :avatar, :last_refreshed_at])
	\|> unique_constraint(:nickname)
	\|> validate_format(:nickname, local_nickname_regex())
	\|> validate_length(:bio, max: 5000)
	\|> validate_length(:name, max: 100)
	\|> put_embed(:info, info_cng)
	end

	def password_update_changeset(struct, params) do
	changeset =
	struct
	\|> cast(params, [:password, :password_confirmation])
	\|> validate_required([:password, :password_confirmation])
	\|> validate_confirmation(:password)

	OAuth.Token.delete_user_tokens(struct)
	OAuth.Authorization.delete_user_authorizations(struct)

	if changeset.valid? do
	hashed = Pbkdf2.hashpwsalt(changeset.changes[:password])

	changeset
	\|> put_change(:password_hash, hashed)
	else
	changeset
	end
	end

	def reset_password(user, data) do
	update_and_set_cache(password_update_changeset(user, data))
	end

	def register_changeset(struct, params \\ %{}, opts \\ []) do
	confirmation_status =
	if opts[:confirmed] \|\| !Pleroma.Config.get([:instance, :account_activation_required]) do
	:confirmed
	else
	:unconfirmed
	end

	info_change = User.Info.confirmation_changeset(%User.Info{}, confirmation_status)

	changeset =
	struct
	\|> cast(params, [:bio, :email, :name, :nickname, :password, :password_confirmation])
	\|> validate_required([:email, :name, :nickname, :password, :password_confirmation])
	\|> validate_confirmation(:password)
	\|> unique_constraint(:email)
	\|> unique_constraint(:nickname)
	\|> validate_exclusion(:nickname, Pleroma.Config.get([Pleroma.User, :restricted_nicknames]))
	\|> validate_format(:nickname, local_nickname_regex())
	\|> validate_format(:email, @email_regex)
	\|> validate_length(:bio, max: 1000)
	\|> validate_length(:name, min: 1, max: 100)
	\|> put_change(:info, info_change)

	if changeset.valid? do
	hashed = Pbkdf2.hashpwsalt(changeset.changes[:password])
	ap_id = User.ap_id(%User{nickname: changeset.changes[:nickname]})
	followers = User.ap_followers(%User{nickname: changeset.changes[:nickname]})

	changeset
	\|> put_change(:password_hash, hashed)
	\|> put_change(:ap_id, ap_id)
	\|> put_change(:following, [followers])
	\|> put_change(:follower_address, followers)
	else
	changeset
	end
	end

	defp autofollow_users(user) do
	candidates = Pleroma.Config.get([:instance, :autofollowed_nicknames])

	autofollowed_users =
	from(u in User,
	where: u.local == true,
	where: u.nickname in ^candidates
	)
	\|> Repo.all()

	follow_all(user, autofollowed_users)
	end

	@doc "Inserts provided changeset, performs post-registration actions (confirmation email sending etc.)"
	def register(%Ecto.Changeset{} = changeset) do
	with {:ok, user} <- Repo.insert(changeset),
	{:ok, _} <- try_send_confirmation_email(user),
	{:ok, user} <- autofollow_users(user) do
	{:ok, user}
	end
	end

	def try_send_confirmation_email(%User{} = user) do
	if user.info.confirmation_pending &&
	Pleroma.Config.get([:instance, :account_activation_required]) do
	user
	\|> Pleroma.UserEmail.account_confirmation_email()
	\|> Pleroma.Mailer.deliver()
	else
	{:ok, :noop}
	end
	end

	def needs_update?(%User{local: true}), do: false

	def needs_update?(%User{local: false, last_refreshed_at: nil}), do: true

	def needs_update?(%User{local: false} = user) do
	NaiveDateTime.diff(NaiveDateTime.utc_now(), user.last_refreshed_at) >= 86400
	end

	def needs_update?(_), do: true

	def maybe_direct_follow(%User{} = follower, %User{local: true, info: %{locked: true}}) do
	{:ok, follower}
	end

	def maybe_direct_follow(%User{} = follower, %User{local: true} = followed) do
	follow(follower, followed)
	end

	def maybe_direct_follow(%User{} = follower, %User{} = followed) do
	if not User.ap_enabled?(followed) do
	follow(follower, followed)
	else
	{:ok, follower}
	end
	end

	def maybe_follow(%User{} = follower, %User{info: _info} = followed) do
	if not following?(follower, followed) do
	follow(follower, followed)
	else
	{:ok, follower}
	end
	end

	@doc "A mass follow for local users. Ignores blocks and has no side effects"
	@spec follow_all(User.t(), list(User.t())) :: {atom(), User.t()}
	def follow_all(follower, followeds) do
	following =
	(follower.following ++ Enum.map(followeds, fn %{follower_address: fa} -> fa end))
	\|> Enum.uniq()

	{:ok, follower} =
	follower
	\|> follow_changeset(%{following: following})
	\|> update_and_set_cache

	Enum.each(followeds, fn followed ->
	update_follower_count(followed)
	end)

	{:ok, follower}
	end

	def follow(%User{} = follower, %User{info: info} = followed) do
	user_config = Application.get_env(:pleroma, :user)
	deny_follow_blocked = Keyword.get(user_config, :deny_follow_blocked)

	ap_followers = followed.follower_address

	cond do
	following?(follower, followed) or info.deactivated ->
	{:error, "Could not follow user: #{followed.nickname} is already on your list."}

	deny_follow_blocked and blocks?(followed, follower) ->
	{:error, "Could not follow user: #{followed.nickname} blocked you."}

	true ->
	if !followed.local && follower.local && !ap_enabled?(followed) do
	Websub.subscribe(follower, followed)
	end

	following =
	[ap_followers \| follower.following]
	\|> Enum.uniq()

	follower =
	follower
	\|> follow_changeset(%{following: following})
	\|> update_and_set_cache

	{:ok, _} = update_follower_count(followed)

	follower
	end
	end

	def unfollow(%User{} = follower, %User{} = followed) do
	ap_followers = followed.follower_address

	if following?(follower, followed) and follower.ap_id != followed.ap_id do
	following =
	follower.following
	\|> List.delete(ap_followers)

	{:ok, follower} =
	follower
	\|> follow_changeset(%{following: following})
	\|> update_and_set_cache

	{:ok, followed} = update_follower_count(followed)

	{:ok, follower, Utils.fetch_latest_follow(follower, followed)}
	else
	{:error, "Not subscribed!"}
	end
	end

	@spec following?(User.t(), User.t()) :: boolean
	def following?(%User{} = follower, %User{} = followed) do
	Enum.member?(follower.following, followed.follower_address)
	end

	def follow_import(%User{} = follower, followed_identifiers)
	when is_list(followed_identifiers) do
	Enum.map(
	followed_identifiers,
	fn followed_identifier ->
	with %User{} = followed <- get_or_fetch(followed_identifier),
	{:ok, follower} <- maybe_direct_follow(follower, followed),
	{:ok, _} <- ActivityPub.follow(follower, followed) do
	followed
	else
	err ->
	Logger.debug("follow_import failed for #{followed_identifier} with: #{inspect(err)}")
	err
	end
	end
	)
	end

	def locked?(%User{} = user) do
	user.info.locked \|\| false
	end

	def get_by_ap_id(ap_id) do
	Repo.get_by(User, ap_id: ap_id)
	end

	# This is mostly an SPC migration fix. This guesses the user nickname (by taking the last part of the ap_id and the domain) and tries to get that user
	def get_by_guessed_nickname(ap_id) do
	domain = URI.parse(ap_id).host
	name = List.last(String.split(ap_id, "/"))
	nickname = "#{name}@#{domain}"

	get_by_nickname(nickname)
	end

	def update_and_set_cache(changeset) do
	with {:ok, user} <- Repo.update(changeset) do
	Cachex.put(:user_cache, "ap_id:#{user.ap_id}", user)
	Cachex.put(:user_cache, "nickname:#{user.nickname}", user)
	Cachex.put(:user_cache, "user_info:#{user.id}", user_info(user))
	{:ok, user}
	else
	e -> e
	end
	end

	def invalidate_cache(user) do
	Cachex.del(:user_cache, "ap_id:#{user.ap_id}")
	Cachex.del(:user_cache, "nickname:#{user.nickname}")
	Cachex.del(:user_cache, "user_info:#{user.id}")
	end

	def get_cached_by_ap_id(ap_id) do
	key = "ap_id:#{ap_id}"
	Cachex.fetch!(:user_cache, key, fn _ -> get_by_ap_id(ap_id) end)
	end

	def get_cached_by_nickname(nickname) do
	key = "nickname:#{nickname}"
	Cachex.fetch!(:user_cache, key, fn _ -> get_or_fetch_by_nickname(nickname) end)
	end

	def get_by_nickname(nickname) do
	Repo.get_by(User, nickname: nickname) \|\|
	if Regex.match?(~r(@#{Pleroma.Web.Endpoint.host()})i, nickname) do
	[local_nickname, _] = String.split(nickname, "@")
	Repo.get_by(User, nickname: local_nickname)
	end
	end

	def get_by_nickname_or_email(nickname_or_email) do
	case user = Repo.get_by(User, nickname: nickname_or_email) do
	%User{} -> user
	nil -> Repo.get_by(User, email: nickname_or_email)
	end
	end

	def get_cached_user_info(user) do
	key = "user_info:#{user.id}"
	Cachex.fetch!(:user_cache, key, fn _ -> user_info(user) end)
	end

	def fetch_by_nickname(nickname) do
	ap_try = ActivityPub.make_user_from_nickname(nickname)

	case ap_try do
	{:ok, user} -> {:ok, user}
	_ -> OStatus.make_user(nickname)
	end
	end

	def get_or_fetch_by_nickname(nickname) do
	with %User{} = user <- get_by_nickname(nickname) do
	user
	else
	_e ->
	with [_nick, _domain] <- String.split(nickname, "@"),
	{:ok, user} <- fetch_by_nickname(nickname) do
	user
	else
	_e -> nil
	end
	end
	end

	def get_followers_query(%User{id: id, follower_address: follower_address}, nil) do
	from(
	u in User,
	where: fragment("? <@ ?", ^[follower_address], u.following),
	where: u.id != ^id
	)
	end

	def get_followers_query(user, page) do
	from(
	u in get_followers_query(user, nil),
	limit: 20,
	offset: ^((page - 1) * 20)
	)
	end

	def get_followers_query(user), do: get_followers_query(user, nil)

	def get_followers(user, page \\ nil) do
	q = get_followers_query(user, page)

	{:ok, Repo.all(q)}
	end

	+ def get_followers_ids(user, page \\ nil) do
	+ q = get_followers_query(user, page)
	+
	+ Repo.all(from(u in q, select: u.id))
	+ end
	+
	def get_friends_query(%User{id: id, following: following}, nil) do
	from(
	u in User,
	where: u.follower_address in ^following,
	where: u.id != ^id
	)
	end

	def get_friends_query(user, page) do
	from(
	u in get_friends_query(user, nil),
	limit: 20,
	offset: ^((page - 1) * 20)
	)
	end

	def get_friends_query(user), do: get_friends_query(user, nil)

	def get_friends(user, page \\ nil) do
	q = get_friends_query(user, page)

	{:ok, Repo.all(q)}
	end

	+ def get_friends_ids(user, page \\ nil) do
	+ q = get_friends_query(user, page)
	+
	+ Repo.all(from(u in q, select: u.id))
	+ end
	+
	def get_follow_requests_query(%User{} = user) do
	from(
	a in Activity,
	where:
	fragment(
	"? ->> 'type' = 'Follow'",
	a.data
	),
	where:
	fragment(
	"? ->> 'state' = 'pending'",
	a.data
	),
	where:
	fragment(
	"? @> ?",
	a.data,
	^%{"object" => user.ap_id}
	)
	)
	end

	def get_follow_requests(%User{} = user) do
	q = get_follow_requests_query(user)
	reqs = Repo.all(q)

	users =
	Enum.map(reqs, fn req -> req.actor end)
	\|> Enum.uniq()
	\|> Enum.map(fn ap_id -> get_by_ap_id(ap_id) end)
	\|> Enum.filter(fn u -> !is_nil(u) end)
	\|> Enum.filter(fn u -> !following?(u, user) end)

	{:ok, users}
	end

	def increase_note_count(%User{} = user) do
	info_cng = User.Info.add_to_note_count(user.info, 1)

	cng =
	change(user)
	\|> put_embed(:info, info_cng)

	update_and_set_cache(cng)
	end

	def decrease_note_count(%User{} = user) do
	info_cng = User.Info.add_to_note_count(user.info, -1)

	cng =
	change(user)
	\|> put_embed(:info, info_cng)

	update_and_set_cache(cng)
	end

	def update_note_count(%User{} = user) do
	note_count_query =
	from(
	a in Object,
	where: fragment("?->>'actor' = ? and ?->>'type' = 'Note'", a.data, ^user.ap_id, a.data),
	select: count(a.id)
	)

	note_count = Repo.one(note_count_query)

	info_cng = User.Info.set_note_count(user.info, note_count)

	cng =
	change(user)
	\|> put_embed(:info, info_cng)

	update_and_set_cache(cng)
	end

	def update_follower_count(%User{} = user) do
	follower_count_query =
	from(
	u in User,
	where: ^user.follower_address in u.following,
	where: u.id != ^user.id,
	select: count(u.id)
	)

	follower_count = Repo.one(follower_count_query)

	info_cng =
	user.info
	\|> User.Info.set_follower_count(follower_count)

	cng =
	change(user)
	\|> put_embed(:info, info_cng)

	update_and_set_cache(cng)
	end

	def get_users_from_set_query(ap_ids, false) do
	from(
	u in User,
	where: u.ap_id in ^ap_ids
	)
	end

	def get_users_from_set_query(ap_ids, true) do
	query = get_users_from_set_query(ap_ids, false)

	from(
	u in query,
	where: u.local == true
	)
	end

	def get_users_from_set(ap_ids, local_only \\ true) do
	get_users_from_set_query(ap_ids, local_only)
	\|> Repo.all()
	end

	def get_recipients_from_activity(%Activity{recipients: to}) do
	query =
	from(
	u in User,
	where: u.ap_id in ^to,
	or_where: fragment("? && ?", u.following, ^to)
	)

	query = from(u in query, where: u.local == true)

	Repo.all(query)
	end

	- def search(query, resolve \\ false) do
	+ def search(query, resolve \\ false, for_user \\ nil) do
	# strip the beginning @ off if there is a query
	query = String.trim_leading(query, "@")

	if resolve do
	User.get_or_fetch_by_nickname(query)
	end

	+ processed_query =
	+ query
	+ \|> String.replace(~r/\W+/, " ")
	+ \|> String.trim()
	+ \|> String.split()
	+ \|> Enum.map(&(&1 <> ":*"))
	+ \|> Enum.join(" \| ")
	+
	inner =
	from(
	u in User,
	select_merge: %{
	- search_distance:
	+ search_rank:
	fragment(
	- "? <-> (? \|\| coalesce(?, ''))",
	- ^query,
	- u.nickname,
	- u.name
	+ """
	+ ts_rank_cd(
	+ setweight(to_tsvector('simple', regexp_replace(nickname, '\\W', ' ', 'g')), 'A') \|\|
	+ setweight(to_tsvector('simple', regexp_replace(coalesce(name, ''), '\\W', ' ', 'g')), 'B'),
	+ to_tsquery('simple', ?)
	+ )
	+ """,
	+ ^processed_query
	)
	},
	where: not is_nil(u.nickname)
	)

	q =
	from(
	s in subquery(inner),
	- order_by: s.search_distance,
	+ order_by: [desc: s.search_rank],
	limit: 20
	)

	- Repo.all(q)
	+ results =
	+ q
	+ \|> Repo.all()
	+ \|> Enum.filter(&(&1.search_rank > 0))
	+
	+ weighted_results =
	+ if for_user do
	+ friends_ids = get_friends_ids(for_user)
	+ followers_ids = get_followers_ids(for_user)
	+
	+ Enum.map(
	+ results,
	+ fn u ->
	+ search_rank_coef =
	+ cond do
	+ u.id in friends_ids ->
	+ 1.2
	+
	+ u.id in followers_ids ->
	+ 1.1
	+
	+ true ->
	+ 1
	+ end
	+
	+ Map.put(u, :search_rank, u.search_rank * search_rank_coef)
	+ end
	+ )
	+ \|> Enum.sort_by(&(-&1.search_rank))
	+ else
	+ results
	+ end
	+
	+ weighted_results
	end

	def blocks_import(%User{} = blocker, blocked_identifiers) when is_list(blocked_identifiers) do
	Enum.map(
	blocked_identifiers,
	fn blocked_identifier ->
	with %User{} = blocked <- get_or_fetch(blocked_identifier),
	{:ok, blocker} <- block(blocker, blocked),
	{:ok, _} <- ActivityPub.block(blocker, blocked) do
	blocked
	else
	err ->
	Logger.debug("blocks_import failed for #{blocked_identifier} with: #{inspect(err)}")
	err
	end
	end
	)
	end

	def block(blocker, %User{ap_id: ap_id} = blocked) do
	# sever any follow relationships to prevent leaks per activitypub (Pleroma issue #213)
	blocker =
	if following?(blocker, blocked) do
	{:ok, blocker, _} = unfollow(blocker, blocked)
	blocker
	else
	blocker
	end

	if following?(blocked, blocker) do
	unfollow(blocked, blocker)
	end

	info_cng =
	blocker.info
	\|> User.Info.add_to_block(ap_id)

	cng =
	change(blocker)
	\|> put_embed(:info, info_cng)

	update_and_set_cache(cng)
	end

	# helper to handle the block given only an actor's AP id
	def block(blocker, %{ap_id: ap_id}) do
	block(blocker, User.get_by_ap_id(ap_id))
	end

	def unblock(blocker, %{ap_id: ap_id}) do
	info_cng =
	blocker.info
	\|> User.Info.remove_from_block(ap_id)

	cng =
	change(blocker)
	\|> put_embed(:info, info_cng)

	update_and_set_cache(cng)
	end

	def blocks?(user, %{ap_id: ap_id}) do
	blocks = user.info.blocks
	domain_blocks = user.info.domain_blocks
	%{host: host} = URI.parse(ap_id)

	Enum.member?(blocks, ap_id) \|\|
	Enum.any?(domain_blocks, fn domain ->
	host == domain
	end)
	end

	def blocked_users(user),
	do: Repo.all(from(u in User, where: u.ap_id in ^user.info.blocks))

	def block_domain(user, domain) do
	info_cng =
	user.info
	\|> User.Info.add_to_domain_block(domain)

	cng =
	change(user)
	\|> put_embed(:info, info_cng)

	update_and_set_cache(cng)
	end

	def unblock_domain(user, domain) do
	info_cng =
	user.info
	\|> User.Info.remove_from_domain_block(domain)

	cng =
	change(user)
	\|> put_embed(:info, info_cng)

	update_and_set_cache(cng)
	end

	def local_user_query() do
	from(
	u in User,
	where: u.local == true,
	where: not is_nil(u.nickname)
	)
	end

	def moderator_user_query() do
	from(
	u in User,
	where: u.local == true,
	where: fragment("?->'is_moderator' @> 'true'", u.info)
	)
	end

	def deactivate(%User{} = user, status \\ true) do
	info_cng = User.Info.set_activation_status(user.info, status)

	cng =
	change(user)
	\|> put_embed(:info, info_cng)

	update_and_set_cache(cng)
	end

	def delete(%User{} = user) do
	{:ok, user} = User.deactivate(user)

	# Remove all relationships
	{:ok, followers} = User.get_followers(user)

	followers
	\|> Enum.each(fn follower -> User.unfollow(follower, user) end)

	{:ok, friends} = User.get_friends(user)

	friends
	\|> Enum.each(fn followed -> User.unfollow(user, followed) end)

	query = from(a in Activity, where: a.actor == ^user.ap_id)

	Repo.all(query)
	\|> Enum.each(fn activity ->
	case activity.data["type"] do
	"Create" ->
	ActivityPub.delete(Object.normalize(activity.data["object"]))

	# TODO: Do something with likes, follows, repeats.
	_ ->
	"Doing nothing"
	end
	end)

	{:ok, user}
	end

	def html_filter_policy(%User{info: %{no_rich_text: true}}) do
	Pleroma.HTML.Scrubber.TwitterText
	end

	@default_scrubbers Pleroma.Config.get([:markup, :scrub_policy])

	def html_filter_policy(_), do: @default_scrubbers

	def get_or_fetch_by_ap_id(ap_id) do
	user = get_by_ap_id(ap_id)

	if !is_nil(user) and !User.needs_update?(user) do
	user
	else
	ap_try = ActivityPub.make_user_from_ap_id(ap_id)

	case ap_try do
	{:ok, user} ->
	user

	_ ->
	case OStatus.make_user(ap_id) do
	{:ok, user} -> user
	_ -> {:error, "Could not fetch by AP id"}
	end
	end
	end
	end

	def get_or_create_instance_user do
	relay_uri = "#{Pleroma.Web.Endpoint.url()}/relay"

	if user = get_by_ap_id(relay_uri) do
	user
	else
	changes =
	%User{info: %User.Info{}}
	\|> cast(%{}, [:ap_id, :nickname, :local])
	\|> put_change(:ap_id, relay_uri)
	\|> put_change(:nickname, nil)
	\|> put_change(:local, true)
	\|> put_change(:follower_address, relay_uri <> "/followers")

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

	# AP style
	def public_key_from_info(%{
	source_data: %{"publicKey" => %{"publicKeyPem" => public_key_pem}}
	}) do
	key =
	public_key_pem
	\|> :public_key.pem_decode()
	\|> hd()
	\|> :public_key.pem_entry_decode()

	{:ok, key}
	end

	# OStatus Magic Key
	def public_key_from_info(%{magic_key: magic_key}) do
	{:ok, Pleroma.Web.Salmon.decode_key(magic_key)}
	end

	def get_public_key_for_ap_id(ap_id) do
	with %User{} = user <- get_or_fetch_by_ap_id(ap_id),
	{:ok, public_key} <- public_key_from_info(user.info) do
	{:ok, public_key}
	else
	_ -> :error
	end
	end

	defp blank?(""), do: nil
	defp blank?(n), do: n

	def insert_or_update_user(data) do
	data =
	data
	\|> Map.put(:name, blank?(data[:name]) \|\| data[:nickname])

	cs = User.remote_user_creation(data)

	Repo.insert(cs, on_conflict: :replace_all, conflict_target: :nickname)
	end

	def ap_enabled?(%User{local: true}), do: true
	def ap_enabled?(%User{info: info}), do: info.ap_enabled
	def ap_enabled?(_), do: false

	@doc "Gets or fetch a user by uri or nickname."
	@spec get_or_fetch(String.t()) :: User.t()
	def get_or_fetch("http" <> _host = uri), do: get_or_fetch_by_ap_id(uri)
	def get_or_fetch(nickname), do: get_or_fetch_by_nickname(nickname)

	# wait a period of time and return newest version of the User structs
	# this is because we have synchronous follow APIs and need to simulate them
	# with an async handshake
	def wait_and_refresh(_, %User{local: true} = a, %User{local: true} = b) do
	with %User{} = a <- Repo.get(User, a.id),
	%User{} = b <- Repo.get(User, b.id) do
	{:ok, a, b}
	else
	_e ->
	:error
	end
	end

	def wait_and_refresh(timeout, %User{} = a, %User{} = b) do
	with :ok <- :timer.sleep(timeout),
	%User{} = a <- Repo.get(User, a.id),
	%User{} = b <- Repo.get(User, b.id) do
	{:ok, a, b}
	else
	_e ->
	:error
	end
	end

	def parse_bio(bio, user \\ %User{info: %{source_data: %{}}})
	def parse_bio(nil, _user), do: ""
	def parse_bio(bio, _user) when bio == "", do: bio

	def parse_bio(bio, user) do
	mentions = Formatter.parse_mentions(bio)
	tags = Formatter.parse_tags(bio)

	emoji =
	(user.info.source_data["tag"] \|\| [])
	\|> Enum.filter(fn %{"type" => t} -> t == "Emoji" end)
	\|> Enum.map(fn %{"icon" => %{"url" => url}, "name" => name} ->
	{String.trim(name, ":"), url}
	end)

	bio
	\|> CommonUtils.format_input(mentions, tags, "text/plain")
	\|> Formatter.emojify(emoji)
	end

	def tag(user_identifiers, tags) when is_list(user_identifiers) do
	Repo.transaction(fn ->
	for user_identifier <- user_identifiers, do: tag(user_identifier, tags)
	end)
	end

	def tag(nickname, tags) when is_binary(nickname),
	do: tag(User.get_by_nickname(nickname), tags)

	def tag(%User{} = user, tags),
	do: update_tags(user, Enum.uniq((user.tags \|\| []) ++ normalize_tags(tags)))

	def untag(user_identifiers, tags) when is_list(user_identifiers) do
	Repo.transaction(fn ->
	for user_identifier <- user_identifiers, do: untag(user_identifier, tags)
	end)
	end

	def untag(nickname, tags) when is_binary(nickname),
	do: untag(User.get_by_nickname(nickname), tags)

	def untag(%User{} = user, tags),
	do: update_tags(user, (user.tags \|\| []) -- normalize_tags(tags))

	defp update_tags(%User{} = user, new_tags) do
	{:ok, updated_user} =
	user
	\|> change(%{tags: new_tags})
	\|> Repo.update()

	updated_user
	end

	defp normalize_tags(tags) do
	[tags]
	\|> List.flatten()
	\|> Enum.map(&String.downcase(&1))
	end

	defp local_nickname_regex() do
	if Pleroma.Config.get([:instance, :extended_nickname_format]) do
	@extended_local_nickname_regex
	else
	@strict_local_nickname_regex
	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 a8fe9d708..54367f586 100644
	--- a/lib/pleroma/web/mastodon_api/mastodon_api_controller.ex
	+++ b/lib/pleroma/web/mastodon_api/mastodon_api_controller.ex
	@@ -1,1345 +1,1345 @@
	# 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.{Repo, Object, Activity, User, Notification, Stats}
	alias Pleroma.Web

	alias Pleroma.Web.MastodonAPI.{
	StatusView,
	AccountView,
	MastodonView,
	ListView,
	FilterView,
	PushSubscriptionView
	}

	alias Pleroma.Web.ActivityPub.ActivityPub
	alias Pleroma.Web.ActivityPub.Utils
	alias Pleroma.Web.CommonAPI
	alias Pleroma.Web.OAuth.{Authorization, Token, App}
	alias Pleroma.Web.MediaProxy

	import Ecto.Query
	require Logger

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

	action_fallback(:errors)

	def create_app(conn, params) do
	with cs <- App.register_changeset(%App{}, params) \|> IO.inspect(),
	{:ok, app} <- Repo.insert(cs) \|> IO.inspect() 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 = Pleroma.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: String.replace(Pleroma.Web.Endpoint.static_url(), "http", "ws")
	},
	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("user", user)

	activities =
	ActivityPub.fetch_activities([user.ap_id \| user.following], 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"]

	params =
	params
	\|> Map.put("type", ["Create", "Announce"])
	\|> Map.put("local_only", local_only)
	\|> Map.put("blocking_user", user)

	activities =
	ActivityPub.fetch_public_activities(params)
	\|> 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
	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(),
	descendants:
	StatusView.render(
	"index.json",
	for: user,
	activities: grouped_activities[false] \|\| [],
	as: :activity
	)
	\|> Enum.reverse()
	}

	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"])
	\|> Map.put("no_attachment_links", true)

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

	result =
	Enum.map(notifications, 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"]

	params =
	params
	\|> Map.put("type", "Create")
	\|> Map.put("local_only", local_only)
	\|> Map.put("blocking_user", user)
	\|> Map.put("tag", String.downcase(params["tag"]))

	activities =
	ActivityPub.fetch_public_activities(params)
	\|> 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_network -> []
	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_network -> []
	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.ap_id,
	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.ap_id,
	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(
	Pleroma.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 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_activity_by_object_ap_id(object.data["id"]),
	true <- ActivityPub.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")
	+ accounts = User.search(query, params["resolve"] == "true", user)

	statuses = status_search(user, query)

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

	tags =
	String.split(query)
	\|> 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")
	+ accounts = User.search(query, params["resolve"] == "true", user)

	statuses = status_search(user, query)

	tags =
	String.split(query)
	\|> 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")
	+ 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
	params =
	params
	\|> Map.put("type", "Create")
	\|> Map.put("favorited_by", user.ap_id)
	\|> Map.put("blocking_user", user)

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

	conn
	\|> add_link_headers(:favourites, activities)
	\|> 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 -> json(conn, "error")
	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)

	# 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).
	following_to =
	following
	\|> Enum.filter(fn x -> x in user.following end)

	activities =
	ActivityPub.fetch_activities_bounded(following_to, 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 = Pleroma.Config.get([:instance, :limit])

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

	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: app.scopes
	)

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

	defp get_or_make_app() do
	with %App{} = app <- Repo.get_by(App, client_name: "Mastodon-Local") do
	{:ok, app}
	else
	_e ->
	cs =
	App.register_changeset(%App{}, %{
	client_name: "Mastodon-Local",
	redirect_uris: ".",
	scopes: "read,write,follow"
	})

	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_activity_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 = Pleroma.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 = %Pleroma.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} = Pleroma.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 = Pleroma.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 = %Pleroma.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} = Pleroma.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 = %Pleroma.Filter{
	user_id: user.id,
	filter_id: filter_id
	}

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

	def create_push_subscription(%{assigns: %{user: user, token: token}} = conn, params) do
	true = Pleroma.Web.Push.enabled()
	Pleroma.Web.Push.Subscription.delete_if_exists(user, token)
	{:ok, subscription} = Pleroma.Web.Push.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 = Pleroma.Web.Push.enabled()
	subscription = Pleroma.Web.Push.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 = Pleroma.Web.Push.enabled()
	{:ok, subscription} = Pleroma.Web.Push.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 = Pleroma.Web.Push.enabled()
	{:ok, _response} = Pleroma.Web.Push.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 = Pleroma.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 = Pleroma.Config.get([Pleroma.Web.Endpoint, :url, :host])

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

	with {:ok, %{status: 200, body: body}} <-
	@httpoison.get(
	url,
	[],
	adapter: [
	timeout: timeout,
	recv_timeout: timeout
	]
	),
	{:ok, data} <- Jason.decode(body) do
	data2 =
	Enum.slice(data, 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(data2)
	else
	e -> Logger.error("Could not retrieve suggestions at fetch #{url}, #{inspect(e)}")
	end
	else
	json(conn, [])
	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
	end
	diff --git a/lib/pleroma/web/twitter_api/twitter_api_controller.ex b/lib/pleroma/web/twitter_api/twitter_api_controller.ex
	index 1c728166c..ede079963 100644
	--- a/lib/pleroma/web/twitter_api/twitter_api_controller.ex
	+++ b/lib/pleroma/web/twitter_api/twitter_api_controller.ex
	@@ -1,728 +1,728 @@
	# 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 Pleroma.Web.TwitterAPI.{TwitterAPI, UserView, ActivityView, NotificationView}
	alias Pleroma.Web.CommonAPI
	alias Pleroma.{Repo, Activity, Object, User, Notification}
	alias Pleroma.Web.ActivityPub.ActivityPub
	alias Pleroma.Web.ActivityPub.Utils
	alias Ecto.Changeset

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

	def fetch_conversation(%{assigns: %{user: user}} = conn, %{"id" => id}) do
	id = String.to_integer(id)

	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_activity_by_object_ap_id(id)

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

	def favorite(%{assigns: %{user: user}} = conn, %{"id" => id}) do
	with {_, {:ok, id}} <- {:param_cast, Ecto.Type.cast(:integer, id)},
	{:ok, activity} <- TwitterAPI.fav(user, id) do
	conn
	\|> put_view(ActivityView)
	\|> render("activity.json", %{activity: activity, for: user})
	end
	end

	def unfavorite(%{assigns: %{user: user}} = conn, %{"id" => id}) do
	with {_, {:ok, id}} <- {:param_cast, Ecto.Type.cast(:integer, id)},
	{:ok, activity} <- TwitterAPI.unfav(user, id) do
	conn
	\|> put_view(ActivityView)
	\|> render("activity.json", %{activity: activity, for: user})
	end
	end

	def retweet(%{assigns: %{user: user}} = conn, %{"id" => id}) do
	with {_, {:ok, id}} <- {:param_cast, Ecto.Type.cast(:integer, id)},
	{:ok, activity} <- TwitterAPI.repeat(user, id) do
	conn
	\|> put_view(ActivityView)
	\|> render("activity.json", %{activity: activity, for: user})
	end
	end

	def unretweet(%{assigns: %{user: user}} = conn, %{"id" => id}) do
	with {_, {:ok, id}} <- {:param_cast, Ecto.Type.cast(:integer, id)},
	{:ok, activity} <- TwitterAPI.unrepeat(user, id) do
	conn
	\|> put_view(ActivityView)
	\|> render("activity.json", %{activity: activity, for: user})
	end
	end

	def pin(%{assigns: %{user: user}} = conn, %{"id" => id}) do
	with {_, {:ok, id}} <- {:param_cast, Ecto.Type.cast(:integer, id)},
	{: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, id}} <- {:param_cast, Ecto.Type.cast(:integer, id)},
	{: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_network -> []
	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)

	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_network -> []
	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 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],
	uid when is_number(uid) <- String.to_integer(uid),
	%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.ap_id,
	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],
	uid when is_number(uid) <- String.to_integer(uid),
	%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.ap_id,
	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_network"]
	\|> 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)
	+ 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/user_test.exs b/test/user_test.exs
	index cfccce8d1..efa7937bc 100644
	--- a/test/user_test.exs
	+++ b/test/user_test.exs
	@@ -1,877 +1,876 @@
	# Pleroma: A lightweight social networking server
	# Copyright © 2017-2018 Pleroma Authors <https://pleroma.social/>
	# SPDX-License-Identifier: AGPL-3.0-only

	defmodule Pleroma.UserTest do
	alias Pleroma.Builders.UserBuilder
	alias Pleroma.{User, Repo, Activity}
	alias Pleroma.Web.CommonAPI
	use Pleroma.DataCase

	import Pleroma.Factory

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

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

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

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

	assert user.tags == []
	end
	end

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

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

	assert expected_ap_id == User.ap_id(user)
	end

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

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

	assert expected_followers_collection == User.ap_followers(user)
	end

	test "follow_all follows mutliple users" do
	user = insert(:user)
	followed_one = insert(:user)
	followed_two = insert(:user)

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

	assert User.following?(user, followed_one)
	assert User.following?(user, followed_two)
	end

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

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

	user = Repo.get(User, user.id)

	followed = User.get_by_ap_id(followed.ap_id)
	assert followed.info.follower_count == 1

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

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

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

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

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

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

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

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

	refute User.following?(follower, followed)
	end

	# This is a somewhat useless test.
	# test "following a remote user will ensure a websub subscription is present" do
	# user = insert(:user)
	# {:ok, followed} = OStatus.make_user("shp@social.heldscal.la")

	# assert followed.local == false

	# {:ok, user} = User.follow(user, followed)
	# assert User.ap_followers(followed) in user.following

	# query = from w in WebsubClientSubscription,
	# where: w.topic == ^followed.info["topic"]
	# websub = Repo.one(query)

	# assert websub
	# end

	test "unfollow takes a user and another user" do
	followed = insert(:user)
	user = insert(:user, %{following: [User.ap_followers(followed)]})

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

	user = Repo.get(User, user.id)

	assert user.following == []
	end

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

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

	user = Repo.get(User, user.id)
	assert user.following == [user.ap_id]
	end

	test "test if a user is following another user" do
	followed = insert(:user)
	user = insert(:user, %{following: [User.ap_followers(followed)]})

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

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

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

	Pleroma.Config.put([:instance, :autofollowed_nicknames], [
	user.nickname,
	remote_user.nickname
	])

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

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

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

	test "it requires an email, name, nickname and password, bio is optional" do
	@full_user_data
	\|> Map.keys()
	\|> Enum.each(fn key ->
	params = Map.delete(@full_user_data, key)
	changeset = User.register_changeset(%User{}, params)

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

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

	assert is_bitstring(restricted_name)

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

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

	refute changeset.valid?
	end

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

	assert changeset.valid?

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

	assert changeset.changes[:following] == [
	User.ap_followers(%User{nickname: @full_user_data.nickname})
	]

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

	test "it ensures info is not nil" do
	changeset = User.register_changeset(%User{}, @full_user_data)

	assert changeset.valid?

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

	refute is_nil(user.info)
	end
	end

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

	setup do
	setting = Pleroma.Config.get([:instance, :account_activation_required])

	unless setting do
	Pleroma.Config.put([:instance, :account_activation_required], true)
	on_exit(fn -> Pleroma.Config.put([:instance, :account_activation_required], setting) end)
	end

	:ok
	end

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

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

	assert user.info.confirmation_pending
	assert user.info.confirmation_token
	end

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

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

	refute user.info.confirmation_pending
	refute user.info.confirmation_token
	end
	end

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

	assert user == fetched_user
	end

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

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

	fetched_user = User.get_or_fetch(ap_id)
	freshed_user = refresh_record(user)
	assert freshed_user == fetched_user
	end
	end

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

	assert user == fetched_user
	end

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

	assert user == fetched_user
	end

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

	fetched_user =
	User.get_or_fetch_by_nickname(user.nickname <> "@" <> Pleroma.Web.Endpoint.host())

	assert user == fetched_user
	end

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

	fetched_user = User.get_or_fetch_by_nickname(casing_altered_fqn)

	assert user == fetched_user
	end

	test "fetches an external user via ostatus if no user exists" do
	fetched_user = User.get_or_fetch_by_nickname("shp@social.heldscal.la")
	assert fetched_user.nickname == "shp@social.heldscal.la"
	end

	test "returns nil if no user could be fetched" do
	fetched_user = User.get_or_fetch_by_nickname("nonexistant@social.heldscal.la")
	assert fetched_user == nil
	end

	test "returns nil for nonexistant local user" do
	fetched_user = User.get_or_fetch_by_nickname("nonexistant")
	assert fetched_user == nil
	end

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

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

	assert orig_user.last_refreshed_at == a_week_ago

	user = User.get_or_fetch_by_ap_id("http://mastodon.example.org/users/admin")
	assert user.info.source_data["endpoints"]

	refute user.last_refreshed_at == orig_user.last_refreshed_at
	end
	end

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

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

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

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

	describe "remote user creation changeset" do
	@valid_remote %{
	bio: "hello",
	name: "Someone",
	nickname: "a@b.de",
	ap_id: "http...",
	info: %{some: "info"},
	avatar: %{some: "avatar"}
	}

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

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

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

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

	test "it restricts some sizes" do
	[bio: 5000, name: 100]
	\|> Enum.each(fn {field, size} ->
	string = String.pad_leading(".", size)
	cs = User.remote_user_creation(Map.put(@valid_remote, field, string))
	assert cs.valid?

	string = String.pad_leading(".", size + 1)
	cs = User.remote_user_creation(Map.put(@valid_remote, field, string))
	refute cs.valid?
	end)
	end
	end

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

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

	{:ok, res} = User.get_followers(user)

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

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

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

	{:ok, res} = User.get_friends(user)

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

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

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

	assert user.info.note_count == 0

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

	assert user.info.note_count == 1
	end

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

	assert user.info.note_count == 0

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

	assert user.info.note_count == 1

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

	assert user.info.note_count == 2
	end

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

	assert user.info.note_count == 0

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

	assert user.info.note_count == 1

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

	assert user.info.note_count == 0

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

	assert user.info.note_count == 0
	end

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

	User.follow(follower, user)

	assert user.info.follower_count == 0

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

	assert user.info.follower_count == 1
	end
	end

	describe "follow_import" do
	test "it imports user followings from list" do
	[user1, user2, user3] = insert_list(3, :user)

	identifiers = [
	user2.ap_id,
	user3.nickname
	]

	result = User.follow_import(user1, identifiers)
	assert is_list(result)
	assert result == [user2, user3]
	end
	end

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

	refute User.blocks?(user, blocked_user)

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

	assert User.blocks?(user, blocked_user)
	end

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

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

	refute User.blocks?(user, blocked_user)
	end

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

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

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

	{:ok, blocker} = User.block(blocker, blocked)
	blocked = Repo.get(User, blocked.id)

	assert User.blocks?(blocker, blocked)

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

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

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

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

	{:ok, blocker} = User.block(blocker, blocked)
	blocked = Repo.get(User, blocked.id)

	assert User.blocks?(blocker, blocked)

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

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

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

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

	{:ok, blocker} = User.block(blocker, blocked)
	blocked = Repo.get(User, blocked.id)

	assert User.blocks?(blocker, blocked)

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

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

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

	assert User.blocks?(user, collateral_user)
	end

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

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

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

	describe "blocks_import" do
	test "it imports user blocks from list" do
	[user1, user2, user3] = insert_list(3, :user)

	identifiers = [
	user2.ap_id,
	user3.nickname
	]

	result = User.blocks_import(user1, identifiers)
	assert is_list(result)
	assert result == [user2, user3]
	end
	end

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

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

	assert [addressed] == User.get_recipients_from_activity(activity)

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

	test ".deactivate can de-activate then re-activate a user" do
	user = insert(:user)
	assert false == user.info.deactivated
	{:ok, user} = User.deactivate(user)
	assert true == user.info.deactivated
	{:ok, user} = User.deactivate(user, false)
	assert false == user.info.deactivated
	end

	test ".delete deactivates a user, all follow relationships and all create activities" do
	user = insert(:user)
	followed = insert(:user)
	follower = insert(:user)

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

	{:ok, activity} = CommonAPI.post(user, %{"status" => "2hu"})
	{:ok, activity_two} = CommonAPI.post(follower, %{"status" => "3hu"})

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

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

	followed = Repo.get(User, followed.id)
	follower = Repo.get(User, follower.id)
	user = Repo.get(User, user.id)

	assert user.info.deactivated

	refute User.following?(user, followed)
	refute User.following?(followed, follower)

	# TODO: Remove favorites, repeats, delete activities.

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

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

	test "insert or update a user from given data" do
	user = insert(:user, %{nickname: "nick@name.de"})
	data = %{ap_id: user.ap_id <> "xxx", name: user.name, nickname: user.nickname}

	assert {:ok, %User{}} = User.insert_or_update_user(data)
	end

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

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

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

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

	describe "caching" do
	test "invalidate_cache works" do
	user = insert(:user)
	_user_info = User.get_cached_user_info(user)

	User.invalidate_cache(user)

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

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

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

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

	assert cached_user != user

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

	assert cached_user != user
	end
	end

	describe "User.search" do
	test "finds a user, ranking by similarity" do
	_user = insert(:user, %{name: "lain"})
	_user_two = insert(:user, %{name: "ean"})
	_user_three = insert(:user, %{name: "ebn", nickname: "lain@mastodon.social"})
	user_four = insert(:user, %{nickname: "lain@pleroma.soykaf.com"})

	- assert user_four ==
	- User.search("lain@ple") \|> List.first() \|> Map.put(:search_distance, nil)
	+ assert user_four == User.search("lain@ple") \|> List.first() \|> Map.put(:search_rank, nil)
	end

	test "finds a user whose name is nil" do
	_user = insert(:user, %{name: "notamatch", nickname: "testuser@pleroma.amplifie.red"})
	user_two = insert(:user, %{name: nil, nickname: "lain@pleroma.soykaf.com"})

	assert user_two ==
	User.search("lain@pleroma.soykaf.com")
	\|> List.first()
	- \|> Map.put(:search_distance, nil)
	+ \|> Map.put(:search_rank, nil)
	end
	end

	test "auth_active?/1 works correctly" do
	Pleroma.Config.put([:instance, :account_activation_required], true)

	local_user = insert(:user, local: true, info: %{confirmation_pending: true})
	confirmed_user = insert(:user, local: true, info: %{confirmation_pending: false})
	remote_user = insert(:user, local: false)

	refute User.auth_active?(local_user)
	assert User.auth_active?(confirmed_user)
	assert User.auth_active?(remote_user)

	Pleroma.Config.put([:instance, :account_activation_required], false)
	end

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

	refute User.superuser?(user)
	end

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

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

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

	assert User.superuser?(user)
	end

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

	assert User.superuser?(user)
	end
	end

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

	assert User.visible_for?(user, user)
	end

	test "returns false when the account is unauthenticated and auth is required" do
	Pleroma.Config.put([:instance, :account_activation_required], true)

	user = insert(:user, local: true, info: %{confirmation_pending: true})
	other_user = insert(:user, local: true)

	refute User.visible_for?(user, other_user)

	Pleroma.Config.put([:instance, :account_activation_required], false)
	end

	test "returns true when the account is unauthenticated and auth is not required" do
	user = insert(:user, local: true, info: %{confirmation_pending: true})
	other_user = insert(:user, local: true)

	assert User.visible_for?(user, other_user)
	end

	test "returns true when the account is unauthenticated and being viewed by a privileged account (auth required)" do
	Pleroma.Config.put([:instance, :account_activation_required], true)

	user = insert(:user, local: true, info: %{confirmation_pending: true})
	other_user = insert(:user, local: true, info: %{is_admin: true})

	assert User.visible_for?(user, other_user)

	Pleroma.Config.put([:instance, :account_activation_required], false)
	end
	end
	end

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