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	diff --git a/lib/pleroma/user.ex b/lib/pleroma/user.ex
	index 1ce9882f6..692ae836c 100644
	--- a/lib/pleroma/user.ex
	+++ b/lib/pleroma/user.ex
	@@ -1,1388 +1,1392 @@
	# 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
	import Ecto.Query

	alias Comeonin.Pbkdf2
	alias Pleroma.Activity
	alias Pleroma.Formatter
	alias Pleroma.Notification
	alias Pleroma.Object
	alias Pleroma.Repo
	alias Pleroma.User
	alias Pleroma.Web
	alias Pleroma.Web.ActivityPub.ActivityPub
	alias Pleroma.Web.ActivityPub.Utils
	alias Pleroma.Web.CommonAPI.Utils, as: CommonUtils
	alias Pleroma.Web.OAuth
	alias Pleroma.Web.OStatus
	alias Pleroma.Web.RelMe
	alias Pleroma.Web.Websub

	require Logger

	@type t :: %__MODULE__{}

	@primary_key {:id, Pleroma.FlakeId, autogenerate: true}

	# credo:disable-for-next-line Credo.Check.Readability.MaxLineLength
	@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_rank, :float, virtual: true)
	field(:tags, {:array, :string}, default: [])
	field(:bookmarks, {: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 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)
	\|> unique_constraint(: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, user} <- autofollow_users(user),
	{:ok, _} <- Pleroma.User.WelcomeMessage.post_welcome_message_to_user(user),
	{:ok, _} <- try_send_confirmation_email(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_async()
	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) >= 86_400
	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. Respects blocks in both directions but does not create activities."
	@spec follow_all(User.t(), list(User.t())) :: {atom(), User.t()}
	def follow_all(follower, followeds) do
	followed_addresses =
	followeds
	\|> Enum.reject(fn followed -> blocks?(follower, followed) \|\| blocks?(followed, follower) end)
	\|> Enum.map(fn %{follower_address: fa} -> fa end)

	q =
	from(u in User,
	where: u.id == ^follower.id,
	update: [
	set: [
	following:
	fragment(
	"array(select distinct unnest (array_cat(?, ?)))",
	u.following,
	^followed_addresses
	)
	]
	]
	)

	{1, [follower]} = Repo.update_all(q, [], returning: true)

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

	set_cache(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

	q =
	from(u in User,
	where: u.id == ^follower.id,
	update: [push: [following: ^ap_followers]]
	)

	{1, [follower]} = Repo.update_all(q, [], returning: true)

	{:ok, _} = update_follower_count(followed)

	set_cache(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
	q =
	from(u in User,
	where: u.id == ^follower.id,
	update: [pull: [following: ^ap_followers]]
	)

	{1, [follower]} = Repo.update_all(q, [], returning: true)

	{:ok, followed} = update_follower_count(followed)

	set_cache(follower)

	{: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_id(id) do
	Repo.get_by(User, id: id)
	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 set_cache(user) 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}
	end

	def update_and_set_cache(changeset) do
	with {:ok, user} <- Repo.update(changeset) do
	set_cache(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_id(id) do
	key = "id:#{id}"

	ap_id =
	Cachex.fetch!(:user_cache, key, fn _ ->
	user = get_by_id(id)

	if user do
	Cachex.put(:user_cache, "ap_id:#{user.ap_id}", user)
	{:commit, user.ap_id}
	else
	{:ignore, ""}
	end
	end)

	get_cached_by_ap_id(ap_id)
	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_cached_by_nickname_or_id(nickname_or_id) do
	get_cached_by_id(nickname_or_id) \|\| get_cached_by_nickname(nickname_or_id)
	end

	def get_by_nickname(nickname) do
	Repo.get_by(User, nickname: nickname) \|\|
	if Regex.match?(~r(@#{Pleroma.Web.Endpoint.host()})i, nickname) do
	Repo.get_by(User, nickname: local_nickname(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
	if Pleroma.Config.get([:fetch_initial_posts, :enabled]) do
	{:ok, _} = Task.start(__MODULE__, :fetch_initial_posts, [user])
	end

	user
	else
	_e -> nil
	end
	end
	end

	@doc "Fetch some posts when the user has just been federated with"
	def fetch_initial_posts(user) do
	pages = Pleroma.Config.get!([:fetch_initial_posts, :pages])

	Enum.each(
	# Insert all the posts in reverse order, so they're in the right order on the timeline
	Enum.reverse(Utils.fetch_ordered_collection(user.info.source_data["outbox"], pages)),
	&Pleroma.Web.Federator.incoming_ap_doc/1
	)
	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))
	\|> paginate(page, 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))
	\|> paginate(page, 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(
	"coalesce((?)->'object'->>'id', (?)->>'object') = ?",
	a.data,
	a.data,
	^user.ap_id
	)
	)
	end

	def get_follow_requests(%User{} = user) do
	users =
	user
	\|> User.get_follow_requests_query()
	\|> join(:inner, [a], u in User, a.actor == u.ap_id)
	\|> where([a, u], not fragment("? @> ?", u.following, ^[user.follower_address]))
	\|> group_by([a, u], u.id)
	\|> select([a, u], u)
	\|> Repo.all()

	{:ok, users}
	end

	def increase_note_count(%User{} = user) do
	User
	\|> where(id: ^user.id)
	\|> update([u],
	set: [
	info:
	fragment(
	"jsonb_set(?, '{note_count}', ((?->>'note_count')::int + 1)::varchar::jsonb, true)",
	u.info,
	u.info
	)
	]
	)
	\|> Repo.update_all([], returning: true)
	\|> case do
	{1, [user]} -> set_cache(user)
	_ -> {:error, user}
	end
	end

	def decrease_note_count(%User{} = user) do
	User
	\|> where(id: ^user.id)
	\|> update([u],
	set: [
	info:
	fragment(
	"jsonb_set(?, '{note_count}', (greatest(0, (?->>'note_count')::int - 1))::varchar::jsonb, true)",
	u.info,
	u.info
	)
	]
	)
	\|> Repo.update_all([], returning: true)
	\|> case do
	{1, [user]} -> set_cache(user)
	_ -> {:error, user}
	end
	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 =
	User
	\|> where([u], ^user.follower_address in u.following)
	\|> where([u], u.id != ^user.id)
	\|> select([u], %{count: count(u.id)})

	User
	\|> where(id: ^user.id)
	\|> join(:inner, [u], s in subquery(follower_count_query))
	\|> update([u, s],
	set: [
	info:
	fragment(
	"jsonb_set(?, '{follower_count}', ?::varchar::jsonb, true)",
	u.info,
	s.count
	)
	]
	)
	\|> Repo.update_all([], returning: true)
	\|> case do
	{1, [user]} -> set_cache(user)
	_ -> {:error, user}
	end
	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

	@spec search_for_admin(%{
	local: boolean(),
	page: number(),
	page_size: number()
	}) :: {:ok, [Pleroma.User.t()], number()}
	def search_for_admin(%{query: nil, local: local, page: page, page_size: page_size}) do
	query =
	from(u in User, order_by: u.id)
	\|> maybe_local_user_query(local)

	paginated_query =
	query
	\|> paginate(page, page_size)

	count =
	query
	\|> Repo.aggregate(:count, :id)

	{:ok, Repo.all(paginated_query), count}
	end

	@spec search_for_admin(%{
	query: binary(),
	admin: Pleroma.User.t(),
	local: boolean(),
	page: number(),
	page_size: number()
	}) :: {:ok, [Pleroma.User.t()], number()}
	def search_for_admin(%{
	query: term,
	admin: admin,
	local: local,
	page: page,
	page_size: page_size
	}) do
	term = String.trim_leading(term, "@")

	local_paginated_query =
	User
	\|> maybe_local_user_query(local)
	\|> paginate(page, page_size)

	search_query = fts_search_subquery(term, local_paginated_query)

	count =
	term
	\|> fts_search_subquery()
	\|> maybe_local_user_query(local)
	\|> Repo.aggregate(:count, :id)

	{:ok, do_search(search_query, admin), count}
	end

	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: get_or_fetch(query)

	fts_results = do_search(fts_search_subquery(query), for_user)

	{:ok, trigram_results} =
	Repo.transaction(fn ->
	Ecto.Adapters.SQL.query(Repo, "select set_limit(0.25)", [])
	do_search(trigram_search_subquery(query), for_user)
	end)

	Enum.uniq_by(fts_results ++ trigram_results, & &1.id)
	end

	defp do_search(subquery, for_user, options \\ []) do
	q =
	from(
	s in subquery(subquery),
	order_by: [desc: s.search_rank],
	limit: ^(options[:limit] \|\| 20)
	)

	results =
	q
	\|> Repo.all()
	\|> Enum.filter(&(&1.search_rank > 0))

	boost_search_results(results, for_user)
	end

	defp fts_search_subquery(term, query \\ User) do
	processed_query =
	term
	\|> String.replace(~r/\W+/, " ")
	\|> String.trim()
	\|> String.split()
	\|> Enum.map(&(&1 <> ":*"))
	\|> Enum.join(" \| ")

	from(
	u in query,
	select_merge: %{
	search_rank:
	fragment(
	"""
	ts_rank_cd(
	setweight(to_tsvector('simple', regexp_replace(?, '\\W', ' ', 'g')), 'A') \|\|
	setweight(to_tsvector('simple', regexp_replace(coalesce(?, ''), '\\W', ' ', 'g')), 'B'),
	to_tsquery('simple', ?),
	32
	)
	""",
	u.nickname,
	u.name,
	^processed_query
	)
	},
	where:
	fragment(
	"""
	(setweight(to_tsvector('simple', regexp_replace(?, '\\W', ' ', 'g')), 'A') \|\|
	setweight(to_tsvector('simple', regexp_replace(coalesce(?, ''), '\\W', ' ', 'g')), 'B')) @@ to_tsquery('simple', ?)
	""",
	u.nickname,
	u.name,
	^processed_query
	)
	)
	end

	defp trigram_search_subquery(term) do
	from(
	u in User,
	select_merge: %{
	search_rank:
	fragment(
	"similarity(?, trim(? \|\| ' ' \|\| coalesce(?, '')))",
	^term,
	u.nickname,
	u.name
	)
	},
	where: fragment("trim(? \|\| ' ' \|\| coalesce(?, '')) % ?", u.nickname, u.name, ^term)
	)
	end

	defp boost_search_results(results, nil), do: results

	defp boost_search_results(results, 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))
	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 mute(muter, %User{ap_id: ap_id}) do
	info_cng =
	muter.info
	\|> User.Info.add_to_mutes(ap_id)

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

	update_and_set_cache(cng)
	end

	def unmute(muter, %{ap_id: ap_id}) do
	info_cng =
	muter.info
	\|> User.Info.remove_from_mutes(ap_id)

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

	update_and_set_cache(cng)
	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 mutes?(nil, _), do: false
	def mutes?(user, %{ap_id: ap_id}), do: Enum.member?(user.info.mutes, ap_id)

	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 muted_users(user),
	do: Repo.all(from(u in User, where: u.ap_id in ^user.info.mutes))

	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 maybe_local_user_query(query, local) do
	if local, do: local_user_query(query), else: query
	end

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

	def active_local_user_query do
	from(
	u in local_user_query(),
	where: fragment("not (?->'deactivated' @> 'true')", u.info)
	)
	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 fetch_by_ap_id(ap_id) do
	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

	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
	user = fetch_by_ap_id(ap_id)

	if Pleroma.Config.get([:fetch_initial_posts, :enabled]) do
	with %User{} = user do
	{:ok, _} = Task.start(__MODULE__, :fetch_initial_posts, [user])
	end
	end

	user
	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
	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)

	# TODO: get profile URLs other than user.ap_id
	profile_urls = [user.ap_id]

	bio
	\|> CommonUtils.format_input("text/plain",
	mentions_format: :full,
	rel: &RelMe.maybe_put_rel_me(&1, profile_urls)
	)
	\|> elem(0)
	\|> 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})
	\|> update_and_set_cache()

	updated_user
	end

	def bookmark(%User{} = user, status_id) do
	bookmarks = Enum.uniq(user.bookmarks ++ [status_id])
	update_bookmarks(user, bookmarks)
	end

	def unbookmark(%User{} = user, status_id) do
	bookmarks = Enum.uniq(user.bookmarks -- [status_id])
	update_bookmarks(user, bookmarks)
	end

	def update_bookmarks(%User{} = user, bookmarks) do
	user
	\|> change(%{bookmarks: bookmarks})
	\|> update_and_set_cache
	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

	def local_nickname(nickname_or_mention) do
	nickname_or_mention
	\|> full_nickname()
	\|> String.split("@")
	\|> hd()
	end

	def full_nickname(nickname_or_mention),
	do: String.trim_leading(nickname_or_mention, "@")

	def error_user(ap_id) do
	%User{
	name: ap_id,
	ap_id: ap_id,
	info: %User.Info{},
	nickname: "erroruser@example.com",
	inserted_at: NaiveDateTime.utc_now()
	}
	end

	def all_superusers do
	from(
	u in User,
	where: u.local == true,
	where: fragment("?->'is_admin' @> 'true' OR ?->'is_moderator' @> 'true'", u.info, u.info)
	)
	\|> Repo.all()
	end

	defp paginate(query, page, page_size) do
	from(u in query,
	limit: ^page_size,
	offset: ^((page - 1) * page_size)
	)
	end
	+
	+ def showing_reblogs?(%User{} = user, %User{} = target) do
	+ target.ap_id not in user.info.muted_reblogs
	+ end
	end
	diff --git a/lib/pleroma/user/info.ex b/lib/pleroma/user/info.ex
	index e3fd65a6e..740a46727 100644
	--- a/lib/pleroma/user/info.ex
	+++ b/lib/pleroma/user/info.ex
	@@ -1,262 +1,275 @@
	# Pleroma: A lightweight social networking server
	# Copyright © 2017-2019 Pleroma Authors <https://pleroma.social/>
	# SPDX-License-Identifier: AGPL-3.0-only

	defmodule Pleroma.User.Info do
	use Ecto.Schema
	import Ecto.Changeset

	alias Pleroma.User.Info

	embedded_schema do
	field(:banner, :map, default: %{})
	field(:background, :map, default: %{})
	field(:source_data, :map, default: %{})
	field(:note_count, :integer, default: 0)
	field(:follower_count, :integer, default: 0)
	field(:locked, :boolean, default: false)
	field(:confirmation_pending, :boolean, default: false)
	field(:confirmation_token, :string, default: nil)
	field(:default_scope, :string, default: "public")
	field(:blocks, {:array, :string}, default: [])
	field(:domain_blocks, {:array, :string}, default: [])
	field(:mutes, {:array, :string}, default: [])
	+ field(:muted_reblogs, {:array, :string}, default: [])
	field(:deactivated, :boolean, default: false)
	field(:no_rich_text, :boolean, default: false)
	field(:ap_enabled, :boolean, default: false)
	field(:is_moderator, :boolean, default: false)
	field(:is_admin, :boolean, default: false)
	field(:show_role, :boolean, default: true)
	field(:keys, :string, default: nil)
	field(:settings, :map, default: nil)
	field(:magic_key, :string, default: nil)
	field(:uri, :string, default: nil)
	field(:topic, :string, default: nil)
	field(:hub, :string, default: nil)
	field(:salmon, :string, default: nil)
	field(:hide_followers, :boolean, default: false)
	field(:hide_follows, :boolean, default: false)
	field(:pinned_activities, {:array, :string}, default: [])
	field(:flavour, :string, default: nil)

	# Found in the wild
	# ap_id -> Where is this used?
	# bio -> Where is this used?
	# avatar -> Where is this used?
	# fqn -> Where is this used?
	# host -> Where is this used?
	# subject _> Where is this used?
	end

	def set_activation_status(info, deactivated) do
	params = %{deactivated: deactivated}

	info
	\|> cast(params, [:deactivated])
	\|> validate_required([:deactivated])
	end

	def add_to_note_count(info, number) do
	set_note_count(info, info.note_count + number)
	end

	def set_note_count(info, number) do
	params = %{note_count: Enum.max([0, number])}

	info
	\|> cast(params, [:note_count])
	\|> validate_required([:note_count])
	end

	def set_follower_count(info, number) do
	params = %{follower_count: Enum.max([0, number])}

	info
	\|> cast(params, [:follower_count])
	\|> validate_required([:follower_count])
	end

	def set_mutes(info, mutes) do
	params = %{mutes: mutes}

	info
	\|> cast(params, [:mutes])
	\|> validate_required([:mutes])
	end

	def set_blocks(info, blocks) do
	params = %{blocks: blocks}

	info
	\|> cast(params, [:blocks])
	\|> validate_required([:blocks])
	end

	def add_to_mutes(info, muted) do
	set_mutes(info, Enum.uniq([muted \| info.mutes]))
	end

	def remove_from_mutes(info, muted) do
	set_mutes(info, List.delete(info.mutes, muted))
	end

	def add_to_block(info, blocked) do
	set_blocks(info, Enum.uniq([blocked \| info.blocks]))
	end

	def remove_from_block(info, blocked) do
	set_blocks(info, List.delete(info.blocks, blocked))
	end

	def set_domain_blocks(info, domain_blocks) do
	params = %{domain_blocks: domain_blocks}

	info
	\|> cast(params, [:domain_blocks])
	\|> validate_required([:domain_blocks])
	end

	def add_to_domain_block(info, domain_blocked) do
	set_domain_blocks(info, Enum.uniq([domain_blocked \| info.domain_blocks]))
	end

	def remove_from_domain_block(info, domain_blocked) do
	set_domain_blocks(info, List.delete(info.domain_blocks, domain_blocked))
	end

	def set_keys(info, keys) do
	params = %{keys: keys}

	info
	\|> cast(params, [:keys])
	\|> validate_required([:keys])
	end

	def remote_user_creation(info, params) do
	info
	\|> cast(params, [
	:ap_enabled,
	:source_data,
	:banner,
	:locked,
	:magic_key,
	:uri,
	:hub,
	:topic,
	:salmon
	])
	end

	def user_upgrade(info, params) do
	info
	\|> cast(params, [
	:ap_enabled,
	:source_data,
	:banner,
	:locked,
	:magic_key
	])
	end

	def profile_update(info, params) do
	info
	\|> cast(params, [
	:locked,
	:no_rich_text,
	:default_scope,
	:banner,
	:hide_follows,
	:hide_followers,
	:background,
	:show_role
	])
	end

	def confirmation_changeset(info, :confirmed) do
	confirmation_changeset(info, %{
	confirmation_pending: false,
	confirmation_token: nil
	})
	end

	def confirmation_changeset(info, :unconfirmed) do
	confirmation_changeset(info, %{
	confirmation_pending: true,
	confirmation_token: :crypto.strong_rand_bytes(32) \|> Base.url_encode64()
	})
	end

	def confirmation_changeset(info, params) do
	cast(info, params, [:confirmation_pending, :confirmation_token])
	end

	def mastodon_profile_update(info, params) do
	info
	\|> cast(params, [
	:locked,
	:banner
	])
	end

	def mastodon_settings_update(info, settings) do
	params = %{settings: settings}

	info
	\|> cast(params, [:settings])
	\|> validate_required([:settings])
	end

	def mastodon_flavour_update(info, flavour) do
	params = %{flavour: flavour}

	info
	\|> cast(params, [:flavour])
	\|> validate_required([:flavour])
	end

	def set_source_data(info, source_data) do
	params = %{source_data: source_data}

	info
	\|> cast(params, [:source_data])
	\|> validate_required([:source_data])
	end

	def admin_api_update(info, params) do
	info
	\|> cast(params, [
	:is_moderator,
	:is_admin,
	:show_role
	])
	end

	def add_pinnned_activity(info, %Pleroma.Activity{id: id}) do
	if id not in info.pinned_activities do
	max_pinned_statuses = Pleroma.Config.get([:instance, :max_pinned_statuses], 0)
	params = %{pinned_activities: info.pinned_activities ++ [id]}

	info
	\|> cast(params, [:pinned_activities])
	\|> validate_length(:pinned_activities,
	max: max_pinned_statuses,
	message: "You have already pinned the maximum number of statuses"
	)
	else
	change(info)
	end
	end

	def remove_pinnned_activity(info, %Pleroma.Activity{id: id}) do
	params = %{pinned_activities: List.delete(info.pinned_activities, id)}

	cast(info, params, [:pinned_activities])
	end

	def roles(%Info{is_moderator: is_moderator, is_admin: is_admin}) do
	%{
	admin: is_admin,
	moderator: is_moderator
	}
	end
	+
	+ def add_reblog_mute(info, ap_id) do
	+ params = %{muted_reblogs: info.muted_reblogs ++ [ap_id]}
	+
	+ cast(info, params, [:muted_reblogs])
	+ end
	+
	+ def remove_reblog_mute(info, ap_id) do
	+ params = %{muted_reblogs: List.delete(info.muted_reblogs, ap_id)}
	+
	+ cast(info, params, [:muted_reblogs])
	+ end
	end
	diff --git a/lib/pleroma/web/activity_pub/activity_pub.ex b/lib/pleroma/web/activity_pub/activity_pub.ex
	index 70db419ca..a65d6e020 100644
	--- a/lib/pleroma/web/activity_pub/activity_pub.ex
	+++ b/lib/pleroma/web/activity_pub/activity_pub.ex
	@@ -1,966 +1,979 @@
	# Pleroma: A lightweight social networking server
	# Copyright © 2017-2019 Pleroma Authors <https://pleroma.social/>
	# SPDX-License-Identifier: AGPL-3.0-only

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

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

	require Logger

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

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

	recipients =
	(to ++ cc)
	\|> Enum.filter(fn recipient ->
	case User.get_cached_by_ap_id(recipient) do
	nil ->
	true

	user ->
	User.following?(user, actor)
	end
	end)

	{recipients, to, cc}
	end

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

	defp get_recipients(data) do
	to = data["to"] \|\| []
	cc = data["cc"] \|\| []
	recipients = to ++ cc
	{recipients, to, cc}
	end

	defp check_actor_is_active(actor) do
	if not is_nil(actor) do
	with user <- User.get_cached_by_ap_id(actor),
	false <- user.info.deactivated do
	:ok
	else
	_e -> :reject
	end
	else
	:ok
	end
	end

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

	defp check_remote_limit(_), do: true

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

	# TODO: This is weird, maybe we shouldn't check here if we can make the activity.
	def like(
	%User{ap_id: ap_id} = user,
	%Object{data: %{"id" => _}} = object,
	activity_id \\ nil,
	local \\ true
	) do
	with nil <- get_existing_like(ap_id, object),
	like_data <- make_like_data(user, object, activity_id),
	{:ok, activity} <- insert(like_data, local),
	{:ok, object} <- add_like_to_object(activity, object),
	:ok <- maybe_federate(activity) do
	{:ok, activity, object}
	else
	%Activity{} = activity -> {:ok, activity, object}
	error -> {:error, error}
	end
	end

	def unlike(
	%User{} = actor,
	%Object{} = object,
	activity_id \\ nil,
	local \\ true
	) do
	with %Activity{} = like_activity <- get_existing_like(actor.ap_id, object),
	unlike_data <- make_unlike_data(actor, like_activity, activity_id),
	{:ok, unlike_activity} <- insert(unlike_data, local),
	{:ok, _activity} <- Repo.delete(like_activity),
	{:ok, object} <- remove_like_from_object(like_activity, object),
	:ok <- maybe_federate(unlike_activity) do
	{:ok, unlike_activity, like_activity, object}
	else
	_e -> {:ok, object}
	end
	end

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

	def unannounce(
	%User{} = actor,
	%Object{} = object,
	activity_id \\ nil,
	local \\ true
	) do
	with %Activity{} = announce_activity <- get_existing_announce(actor.ap_id, object),
	unannounce_data <- make_unannounce_data(actor, announce_activity, activity_id),
	{:ok, unannounce_activity} <- insert(unannounce_data, local),
	:ok <- maybe_federate(unannounce_activity),
	{:ok, _activity} <- Repo.delete(announce_activity),
	{:ok, object} <- remove_announce_from_object(announce_activity, object) do
	{:ok, unannounce_activity, object}
	else
	_e -> {:ok, object}
	end
	end

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

	def unfollow(follower, followed, activity_id \\ nil, local \\ true) do
	with %Activity{} = follow_activity <- fetch_latest_follow(follower, followed),
	{:ok, follow_activity} <- update_follow_state(follow_activity, "cancelled"),
	unfollow_data <- make_unfollow_data(follower, followed, follow_activity, activity_id),
	{:ok, activity} <- insert(unfollow_data, local),
	:ok <- maybe_federate(activity) do
	{:ok, activity}
	end
	end

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

	with {:ok, object, activity} <- Object.delete(object),
	data <- %{
	"type" => "Delete",
	"actor" => actor,
	"object" => id,
	"to" => to,
	"deleted_activity_id" => activity && activity.id
	},
	{:ok, activity} <- insert(data, local),
	# Changing note count prior to enqueuing federation task in order to avoid
	# race conditions on updating user.info
	{:ok, _actor} <- decrease_note_count_if_public(user, object),
	:ok <- maybe_federate(activity) do
	{:ok, activity}
	end
	end

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

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

	if follow_activity do
	unfollow(blocker, blocked, nil, local)
	end
	end

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

	def unblock(blocker, blocked, activity_id \\ nil, local \\ true) do
	with %Activity{} = block_activity <- fetch_latest_block(blocker, blocked),
	unblock_data <- make_unblock_data(blocker, blocked, block_activity, activity_id),
	{:ok, activity} <- insert(unblock_data, local),
	:ok <- maybe_federate(activity) do
	{:ok, activity}
	end
	end

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

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

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

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

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

	query = from(activity in Activity)

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

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

	Repo.all(query)
	end

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

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

	@valid_visibilities ~w[direct unlisted public private]

	defp restrict_visibility(query, %{visibility: visibility})
	when is_list(visibility) do
	if Enum.all?(visibility, &(&1 in @valid_visibilities)) do
	query =
	from(
	a in query,
	where:
	fragment(
	"activity_visibility(?, ?, ?) = ANY (?)",
	a.actor,
	a.recipients,
	a.data,
	^visibility
	)
	)

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

	query
	else
	Logger.error("Could not restrict visibility to #{visibility}")
	end
	end

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

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

	query
	end

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

	defp restrict_visibility(query, _visibility), do: query

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

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

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

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

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

	defp restrict_since(query, _), do: query

	defp restrict_tag_reject(query, %{"tag_reject" => tag_reject})
	when is_list(tag_reject) and tag_reject != [] do
	from(
	activity in query,
	where: fragment(~s($not \(? #> '{"object","tag"}'$ \\?\| ?\)), activity.data, ^tag_reject)
	)
	end

	defp restrict_tag_reject(query, _), do: query

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

	defp restrict_tag_all(query, _), do: query

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

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

	defp restrict_tag(query, _), do: query

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

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

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

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

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

	defp restrict_limit(query, _), do: query

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

	defp restrict_local(query, _), do: query

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

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

	defp restrict_max(query, _), do: query

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

	defp restrict_actor(query, _), do: query

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

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

	defp restrict_type(query, _), do: query

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

	defp restrict_favorited_by(query, _), do: query

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

	defp restrict_media(query, _), do: query

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

	defp restrict_replies(query, _), do: query

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

	defp restrict_reblogs(query, _), do: query

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

	defp restrict_muted(query, %{"muting_user" => %User{info: info}}) do
	mutes = info.mutes

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

	defp restrict_muted(query, _), do: query

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

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

	defp restrict_blocked(query, _), do: query

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

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

	defp restrict_pinned(query, _), do: query

	+ defp restrict_muted_reblogs(query, %{"muting_user" => %User{info: info}}) do
	+ muted_reblogs = info.muted_reblogs \|\| []
	+
	+ from(
	+ activity in query,
	+ where: fragment("not ?->>'type' = 'Announce'", activity.data),
	+ where: fragment("not ? = ANY(?)", activity.actor, ^muted_reblogs)
	+ )
	+ end
	+
	+ defp restrict_muted_reblogs(query, _), do: query
	+
	def fetch_activities_query(recipients, opts \\ %{}) do
	base_query =
	from(
	activity in Activity,
	limit: 20,
	order_by: [fragment("? desc nulls last", activity.id)]
	)

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

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

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

	def upload(file, opts \\ []) do
	with {:ok, data} <- Upload.store(file, opts) do
	obj_data =
	if opts[:actor] do
	Map.put(data, "actor", opts[:actor])
	else
	data
	end

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

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

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

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

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

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

	{:ok, user_data}
	end

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

	def make_user_from_ap_id(ap_id) do
	if _user = User.get_by_ap_id(ap_id) do
	Transmogrifier.upgrade_user_from_ap_id(ap_id)
	else
	with {:ok, data} <- fetch_and_prepare_user_from_ap_id(ap_id) do
	User.insert_or_update_user(data)
	else
	e -> {:error, e}
	end
	end
	end

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

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

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

	public = is_public?(activity)

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

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

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

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

	date =
	NaiveDateTime.utc_now()
	\|> Timex.format!("{WDshort}, {0D} {Mshort} {YYYY} {h24}:{m}:{s} GMT")

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

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

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

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

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

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

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

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

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

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

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

	# do post-processing on a timeline
	def contain_timeline(timeline, user) do
	timeline
	\|> Enum.filter(fn activity ->
	contain_activity(activity, user)
	end)
	end
	end
	diff --git a/lib/pleroma/web/common_api/common_api.ex b/lib/pleroma/web/common_api/common_api.ex
	index de0759fb0..84d66efc9 100644
	--- a/lib/pleroma/web/common_api/common_api.ex
	+++ b/lib/pleroma/web/common_api/common_api.ex
	@@ -1,302 +1,322 @@
	# Pleroma: A lightweight social networking server
	# Copyright © 2017-2019 Pleroma Authors <https://pleroma.social/>
	# SPDX-License-Identifier: AGPL-3.0-only

	defmodule Pleroma.Web.CommonAPI do
	alias Pleroma.Activity
	alias Pleroma.Formatter
	alias Pleroma.Object
	alias Pleroma.Repo
	alias Pleroma.ThreadMute
	alias Pleroma.User
	alias Pleroma.Web.ActivityPub.ActivityPub
	alias Pleroma.Web.ActivityPub.Utils

	import Pleroma.Web.CommonAPI.Utils

	def follow(follower, followed) do
	with {: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
	{:ok, follower, followed, activity}
	end
	end

	def unfollow(follower, unfollowed) do
	with {:ok, follower, _follow_activity} <- User.unfollow(follower, unfollowed),
	{:ok, _activity} <- ActivityPub.unfollow(follower, unfollowed) do
	{:ok, follower}
	end
	end

	def accept_follow_request(follower, followed) do
	with {:ok, follower} <- User.maybe_follow(follower, followed),
	%Activity{} = follow_activity <- Utils.fetch_latest_follow(follower, followed),
	{:ok, follow_activity} <- Utils.update_follow_state(follow_activity, "accept"),
	{:ok, _activity} <-
	ActivityPub.accept(%{
	to: [follower.ap_id],
	actor: followed,
	object: follow_activity.data["id"],
	type: "Accept"
	}) do
	{:ok, follower}
	end
	end

	def reject_follow_request(follower, followed) do
	with %Activity{} = follow_activity <- Utils.fetch_latest_follow(follower, followed),
	{:ok, follow_activity} <- Utils.update_follow_state(follow_activity, "reject"),
	{:ok, _activity} <-
	ActivityPub.reject(%{
	to: [follower.ap_id],
	actor: followed,
	object: follow_activity.data["id"],
	type: "Reject"
	}) do
	{:ok, follower}
	end
	end

	def delete(activity_id, user) do
	with %Activity{data: %{"object" => %{"id" => object_id}}} <- Repo.get(Activity, activity_id),
	%Object{} = object <- Object.normalize(object_id),
	true <- User.superuser?(user) \|\| user.ap_id == object.data["actor"],
	{:ok, _} <- unpin(activity_id, user),
	{:ok, delete} <- ActivityPub.delete(object) do
	{:ok, delete}
	end
	end

	def repeat(id_or_ap_id, user) do
	with %Activity{} = activity <- get_by_id_or_ap_id(id_or_ap_id),
	object <- Object.normalize(activity.data["object"]["id"]),
	nil <- Utils.get_existing_announce(user.ap_id, object) do
	ActivityPub.announce(user, object)
	else
	_ ->
	{:error, "Could not repeat"}
	end
	end

	def unrepeat(id_or_ap_id, user) do
	with %Activity{} = activity <- get_by_id_or_ap_id(id_or_ap_id),
	object <- Object.normalize(activity.data["object"]["id"]) do
	ActivityPub.unannounce(user, object)
	else
	_ ->
	{:error, "Could not unrepeat"}
	end
	end

	def favorite(id_or_ap_id, user) do
	with %Activity{} = activity <- get_by_id_or_ap_id(id_or_ap_id),
	object <- Object.normalize(activity.data["object"]["id"]),
	nil <- Utils.get_existing_like(user.ap_id, object) do
	ActivityPub.like(user, object)
	else
	_ ->
	{:error, "Could not favorite"}
	end
	end

	def unfavorite(id_or_ap_id, user) do
	with %Activity{} = activity <- get_by_id_or_ap_id(id_or_ap_id),
	object <- Object.normalize(activity.data["object"]["id"]) do
	ActivityPub.unlike(user, object)
	else
	_ ->
	{:error, "Could not unfavorite"}
	end
	end

	def get_visibility(%{"visibility" => visibility})
	when visibility in ~w{public unlisted private direct},
	do: visibility

	def get_visibility(%{"in_reply_to_status_id" => status_id}) when not is_nil(status_id) do
	case get_replied_to_activity(status_id) do
	nil ->
	"public"

	in_reply_to ->
	Pleroma.Web.MastodonAPI.StatusView.get_visibility(in_reply_to.data["object"])
	end
	end

	def get_visibility(_), do: "public"

	def post(user, %{"status" => status} = data) do
	visibility = get_visibility(data)
	limit = Pleroma.Config.get([:instance, :limit])

	with status <- String.trim(status),
	attachments <- attachments_from_ids(data),
	in_reply_to <- get_replied_to_activity(data["in_reply_to_status_id"]),
	{content_html, mentions, tags} <-
	make_content_html(
	status,
	attachments,
	data
	),
	{to, cc} <- to_for_user_and_mentions(user, mentions, in_reply_to, visibility),
	context <- make_context(in_reply_to),
	cw <- data["spoiler_text"],
	full_payload <- String.trim(status <> (data["spoiler_text"] \|\| "")),
	length when length in 1..limit <- String.length(full_payload),
	object <-
	make_note_data(
	user.ap_id,
	to,
	context,
	content_html,
	attachments,
	in_reply_to,
	tags,
	cw,
	cc
	),
	object <-
	Map.put(
	object,
	"emoji",
	(Formatter.get_emoji(status) ++ Formatter.get_emoji(data["spoiler_text"]))
	\|> Enum.reduce(%{}, fn {name, file}, acc ->
	Map.put(acc, name, "#{Pleroma.Web.Endpoint.static_url()}#{file}")
	end)
	) do
	res =
	ActivityPub.create(%{
	to: to,
	actor: user,
	context: context,
	object: object,
	additional: %{"cc" => cc, "directMessage" => visibility == "direct"}
	})

	res
	end
	end

	# Updates the emojis for a user based on their profile
	def update(user) do
	user =
	with emoji <- emoji_from_profile(user),
	source_data <- (user.info.source_data \|\| %{}) \|> Map.put("tag", emoji),
	info_cng <- Pleroma.User.Info.set_source_data(user.info, source_data),
	change <- Ecto.Changeset.change(user) \|> Ecto.Changeset.put_embed(:info, info_cng),
	{:ok, user} <- User.update_and_set_cache(change) do
	user
	else
	_e ->
	user
	end

	ActivityPub.update(%{
	local: true,
	to: [user.follower_address],
	cc: [],
	actor: user.ap_id,
	object: Pleroma.Web.ActivityPub.UserView.render("user.json", %{user: user})
	})
	end

	def pin(id_or_ap_id, %{ap_id: user_ap_id} = user) do
	with %Activity{
	actor: ^user_ap_id,
	data: %{
	"type" => "Create",
	"object" => %{
	"to" => object_to,
	"type" => "Note"
	}
	}
	} = activity <- get_by_id_or_ap_id(id_or_ap_id),
	true <- Enum.member?(object_to, "https://www.w3.org/ns/activitystreams#Public"),
	%{valid?: true} = info_changeset <-
	Pleroma.User.Info.add_pinnned_activity(user.info, activity),
	changeset <-
	Ecto.Changeset.change(user) \|> Ecto.Changeset.put_embed(:info, info_changeset),
	{:ok, _user} <- User.update_and_set_cache(changeset) do
	{:ok, activity}
	else
	%{errors: [pinned_activities: {err, _}]} ->
	{:error, err}

	_ ->
	{:error, "Could not pin"}
	end
	end

	def unpin(id_or_ap_id, user) do
	with %Activity{} = activity <- get_by_id_or_ap_id(id_or_ap_id),
	%{valid?: true} = info_changeset <-
	Pleroma.User.Info.remove_pinnned_activity(user.info, activity),
	changeset <-
	Ecto.Changeset.change(user) \|> Ecto.Changeset.put_embed(:info, info_changeset),
	{:ok, _user} <- User.update_and_set_cache(changeset) do
	{:ok, activity}
	else
	%{errors: [pinned_activities: {err, _}]} ->
	{:error, err}

	_ ->
	{:error, "Could not unpin"}
	end
	end

	def add_mute(user, activity) do
	with {:ok, _} <- ThreadMute.add_mute(user.id, activity.data["context"]) do
	{:ok, activity}
	else
	{:error, _} -> {:error, "conversation is already muted"}
	end
	end

	def remove_mute(user, activity) do
	ThreadMute.remove_mute(user.id, activity.data["context"])
	{:ok, activity}
	end

	def thread_muted?(%{id: nil} = _user, _activity), do: false

	def thread_muted?(user, activity) do
	with [] <- ThreadMute.check_muted(user.id, activity.data["context"]) do
	false
	else
	_ -> true
	end
	end

	def report(user, data) do
	with {:account_id, %{"account_id" => account_id}} <- {:account_id, data},
	{:account, %User{} = account} <- {:account, User.get_by_id(account_id)},
	{:ok, {content_html, _, _}} <- make_report_content_html(data["comment"]),
	{:ok, statuses} <- get_report_statuses(account, data),
	{:ok, activity} <-
	ActivityPub.flag(%{
	context: Utils.generate_context_id(),
	actor: user,
	account: account,
	statuses: statuses,
	content: content_html
	}) do
	Enum.each(User.all_superusers(), fn superuser ->
	superuser
	\|> Pleroma.AdminEmail.report(user, account, statuses, content_html)
	\|> Pleroma.Mailer.deliver_async()
	end)

	{:ok, activity}
	else
	{:error, err} -> {:error, err}
	{:account_id, %{}} -> {:error, "Valid `account_id` required"}
	{:account, nil} -> {:error, "Account not found"}
	end
	end
	+
	+ def hide_reblogs(user, muted) do
	+ ap_id = muted.ap_id
	+
	+ if ap_id not in user.info.muted_reblogs do
	+ info_changeset = User.Info.add_reblog_mute(user.info, ap_id)
	+ changeset = Ecto.Changeset.change(user) \|> Ecto.Changeset.put_embed(:info, info_changeset)
	+ User.update_and_set_cache(changeset)
	+ end
	+ end
	+
	+ def show_reblogs(user, muted) do
	+ ap_id = muted.ap_id
	+
	+ if ap_id in user.info.muted_reblogs do
	+ info_changeset = User.Info.remove_reblog_mute(user.info, ap_id)
	+ changeset = Ecto.Changeset.change(user) \|> Ecto.Changeset.put_embed(:info, info_changeset)
	+ User.update_and_set_cache(changeset)
	+ 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 265bf837e..952aa2453 100644
	--- a/lib/pleroma/web/mastodon_api/mastodon_api_controller.ex
	+++ b/lib/pleroma/web/mastodon_api/mastodon_api_controller.ex
	@@ -1,1487 +1,1501 @@
	# Pleroma: A lightweight social networking server
	# Copyright © 2017-2019 Pleroma Authors <https://pleroma.social/>
	# SPDX-License-Identifier: AGPL-3.0-only

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

	alias Pleroma.Activity
	alias Pleroma.Config
	alias Pleroma.Filter
	alias Pleroma.Notification
	alias Pleroma.Object
	alias Pleroma.Repo
	alias Pleroma.Stats
	alias Pleroma.User
	alias Pleroma.Web
	alias Pleroma.Web.ActivityPub.ActivityPub
	alias Pleroma.Web.ActivityPub.Visibility
	alias Pleroma.Web.CommonAPI
	alias Pleroma.Web.MastodonAPI.AccountView
	alias Pleroma.Web.MastodonAPI.FilterView
	alias Pleroma.Web.MastodonAPI.ListView
	alias Pleroma.Web.MastodonAPI.MastodonAPI
	alias Pleroma.Web.MastodonAPI.MastodonView
	alias Pleroma.Web.MastodonAPI.NotificationView
	alias Pleroma.Web.MastodonAPI.ReportView
	alias Pleroma.Web.MastodonAPI.StatusView
	alias Pleroma.Web.MediaProxy
	alias Pleroma.Web.OAuth.App
	alias Pleroma.Web.OAuth.Authorization
	alias Pleroma.Web.OAuth.Token

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

	require Logger

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

	action_fallback(:errors)

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

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

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

	json(conn, res)
	end
	end

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

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

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

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

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

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

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

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

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

	@mastodon_api_level "2.5.0"

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

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

	json(conn, response)
	end

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

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

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

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

	defp add_link_headers(conn, method, activities, param \\ nil, params \\ %{}) do
	params =
	conn.params
	\|> Map.drop(["since_id", "max_id"])
	\|> Map.merge(params)

	last = List.last(activities)
	first = List.first(activities)

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

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

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

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

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

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

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

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

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

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

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

	def dm_timeline(%{assigns: %{user: user}} = conn, params) do
	params =
	params
	\|> Map.put("type", "Create")
	\|> Map.put("blocking_user", user)
	\|> Map.put("user", user)
	\|> Map.put(:visibility, "direct")

	activities =
	[user.ap_id]
	\|> ActivityPub.fetch_activities_query(params)
	\|> Repo.all()

	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 <- Visibility.visible_for_user?(activity, user) do
	conn
	\|> put_view(StatusView)
	\|> try_render("status.json", %{activity: activity, for: user})
	end
	end

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

	json(conn, result)
	end
	end

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

	post_status(conn, params)
	end

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

	conn
	\|> add_link_headers(:following, followers, user)
	\|> 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} <- CommonAPI.accept_follow_request(follower, followed) 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),
	{:ok, follower} <- CommonAPI.reject_follow_request(follower, followed) 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),
	+ false <- User.following?(follower, followed),
	{:ok, follower, followed, _} <- CommonAPI.follow(follower, followed) do
	conn
	\|> put_view(AccountView)
	\|> render("relationship.json", %{user: follower, target: followed})
	else
	+ true ->
	+ followed = User.get_cached_by_id(id)
	+
	+ {:ok, follower} =
	+ case conn.params["reblogs"] do
	+ true -> CommonAPI.show_reblogs(follower, followed)
	+ false -> CommonAPI.hide_reblogs(follower, followed)
	+ end
	+
	+ conn
	+ \|> put_view(AccountView)
	+ \|> render("relationship.json", %{user: follower, target: followed})
	+
	{: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, followed, _} <- CommonAPI.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, follower} <- CommonAPI.unfollow(follower, followed) do
	conn
	\|> put_view(AccountView)
	\|> render("relationship.json", %{user: follower, target: followed})
	end
	end

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

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

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

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

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

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

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

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

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

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

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

	Repo.all(q) ++ fetched
	end

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

	statuses = status_search(user, query)

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

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

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

	json(conn, res)
	end

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

	statuses = status_search(user, query)

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

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

	json(conn, res)
	end

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

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

	json(conn, res)
	end

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

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

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

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

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

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

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

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

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

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

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

	json(conn, %{})
	end

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

	json(conn, %{})
	end

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

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

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

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

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

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

	if user && token do
	mastodon_emoji = mastodonized_emoji()

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

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

	flavour = get_user_flavour(user)

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

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

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

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

	@supported_flavours ["glitch", "vanilla"]

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

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

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

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

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

	defp get_user_flavour(_) do
	"glitch"
	end

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

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

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

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

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

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

	Repo.insert(cs)
	end
	end

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

	user = user.nickname

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

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

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

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

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

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

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

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

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

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

	defp present?(nil), do: false
	defp present?(false), do: false
	defp present?(_), do: true
	end
	diff --git a/lib/pleroma/web/mastodon_api/views/account_view.ex b/lib/pleroma/web/mastodon_api/views/account_view.ex
	index c32f27be2..b5f3bbb9d 100644
	--- a/lib/pleroma/web/mastodon_api/views/account_view.ex
	+++ b/lib/pleroma/web/mastodon_api/views/account_view.ex
	@@ -1,135 +1,135 @@
	# 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.AccountView do
	use Pleroma.Web, :view

	alias Pleroma.HTML
	alias Pleroma.User
	alias Pleroma.Web.CommonAPI.Utils
	alias Pleroma.Web.MastodonAPI.AccountView
	alias Pleroma.Web.MediaProxy

	def render("accounts.json", %{users: users} = opts) do
	users
	\|> render_many(AccountView, "account.json", opts)
	\|> Enum.filter(&Enum.any?/1)
	end

	def render("account.json", %{user: user} = opts) do
	if User.visible_for?(user, opts[:for]),
	do: do_render("account.json", opts),
	else: %{}
	end

	def render("mention.json", %{user: user}) do
	%{
	id: to_string(user.id),
	acct: user.nickname,
	username: username_from_nickname(user.nickname),
	url: user.ap_id
	}
	end

	def render("relationship.json", %{user: nil, target: _target}) do
	%{}
	end

	def render("relationship.json", %{user: %User{} = user, target: %User{} = target}) do
	follow_activity = Pleroma.Web.ActivityPub.Utils.fetch_latest_follow(user, target)

	requested =
	if follow_activity do
	follow_activity.data["state"] == "pending"
	else
	false
	end

	%{
	id: to_string(target.id),
	following: User.following?(user, target),
	followed_by: User.following?(target, user),
	blocking: User.blocks?(user, target),
	muting: User.mutes?(user, target),
	muting_notifications: false,
	requested: requested,
	domain_blocking: false,
	- showing_reblogs: false,
	+ showing_reblogs: User.showing_reblogs?(user, target),
	endorsed: false
	}
	end

	def render("relationships.json", %{user: user, targets: targets}) do
	render_many(targets, AccountView, "relationship.json", user: user, as: :target)
	end

	defp do_render("account.json", %{user: user} = opts) do
	image = User.avatar_url(user) \|> MediaProxy.url()
	header = User.banner_url(user) \|> MediaProxy.url()
	user_info = User.user_info(user)
	bot = (user.info.source_data["type"] \|\| "Person") in ["Application", "Service"]

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

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

	bio = HTML.filter_tags(user.bio, User.html_filter_policy(opts[:for]))

	relationship = render("relationship.json", %{user: opts[:for], target: user})

	%{
	id: to_string(user.id),
	username: username_from_nickname(user.nickname),
	acct: user.nickname,
	display_name: user.name \|\| user.nickname,
	locked: user_info.locked,
	created_at: Utils.to_masto_date(user.inserted_at),
	followers_count: user_info.follower_count,
	following_count: user_info.following_count,
	statuses_count: user_info.note_count,
	note: bio \|\| "",
	url: user.ap_id,
	avatar: image,
	avatar_static: image,
	header: header,
	header_static: header,
	emojis: emojis,
	fields: fields,
	bot: bot,
	source: %{
	note: "",
	privacy: user_info.default_scope,
	sensitive: false
	},

	# Pleroma extension
	pleroma: %{
	confirmation_pending: user_info.confirmation_pending,
	tags: user.tags,
	is_moderator: user.info.is_moderator,
	is_admin: user.info.is_admin,
	relationship: relationship
	}
	}
	end

	defp username_from_nickname(string) when is_binary(string) do
	hd(String.split(string, "@"))
	end

	defp username_from_nickname(_), do: nil
	end
	diff --git a/lib/pleroma/web/streamer.ex b/lib/pleroma/web/streamer.ex
	index 5850a9579..7425bfb54 100644
	--- a/lib/pleroma/web/streamer.ex
	+++ b/lib/pleroma/web/streamer.ex
	@@ -1,250 +1,254 @@
	# Pleroma: A lightweight social networking server
	# Copyright © 2017-2019 Pleroma Authors <https://pleroma.social/>
	# SPDX-License-Identifier: AGPL-3.0-only

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

	@keepalive_interval :timer.seconds(30)

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

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

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

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

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

	{:ok, args}
	end

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

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

	{:noreply, topics}
	end

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

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

	{:noreply, topics}
	end

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

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

	Visibility.visible_for_user?(item, owner)
	end)
	end

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

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

	{:noreply, topics}
	end

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

	Enum.each(topics[topic] \|\| [], fn socket ->
	json =
	%{
	event: "notification",
	payload:
	NotificationView.render("show.json", %{
	notification: item,
	for: socket.assigns["user"]
	})
	\|> Jason.encode!()
	}
	\|> Jason.encode!()

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

	{:noreply, topics}
	end

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

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

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

	{:noreply, topics}
	end

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

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

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

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

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

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

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

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

	unless is_nil(parent) or item.actor in blocks or item.actor in mutes or
	+ item.actor in reblog_mutes or not ActivityPub.contain_activity(item, user) or
	parent.data["actor"] in blocks or parent.data["actor"] in mutes do
	send(socket.transport_pid, {:text, represent_update(item, user)})
	end
	else
	send(socket.transport_pid, {:text, represent_update(item)})
	end
	end)
	end

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

	def push_to_socket(_topics, _topic, %Activity{data: %{"type" => "Delete"}}), do: :noop

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

	- unless item.actor in blocks or item.actor in mutes do
	+ unless item.actor in blocks or item.actor in mutes or
	+ not ActivityPub.contain_activity(item, user) do
	send(socket.transport_pid, {:text, represent_update(item, user)})
	end
	else
	send(socket.transport_pid, {:text, represent_update(item)})
	end
	end)
	end

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

	defp internal_topic(topic, _), do: topic
	end
	diff --git a/test/web/activity_pub/activity_pub_test.exs b/test/web/activity_pub/activity_pub_test.exs
	index 2b83bfb1d..035778218 100644
	--- a/test/web/activity_pub/activity_pub_test.exs
	+++ b/test/web/activity_pub/activity_pub_test.exs
	@@ -1,967 +1,980 @@
	# Pleroma: A lightweight social networking server
	# Copyright © 2017-2019 Pleroma Authors <https://pleroma.social/>
	# SPDX-License-Identifier: AGPL-3.0-only

	defmodule Pleroma.Web.ActivityPub.ActivityPubTest do
	use Pleroma.DataCase
	alias Pleroma.Activity
	alias Pleroma.Builders.ActivityBuilder
	alias Pleroma.Instances
	alias Pleroma.Object
	alias Pleroma.User
	alias Pleroma.Web.ActivityPub.ActivityPub
	alias Pleroma.Web.ActivityPub.Utils
	alias Pleroma.Web.CommonAPI

	import Pleroma.Factory
	import Tesla.Mock
	import Mock

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

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

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

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

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

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

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

	assert activities == [direct_activity]

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

	assert activities == [unlisted_activity]

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

	assert activities == [private_activity]

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

	assert activities == [public_activity]

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

	assert activities == [public_activity, private_activity]
	end
	end

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

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

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

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

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

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

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

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

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

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

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

	test "doesn't drop activities with content being null" do
	data = %{
	"ok" => true,
	"object" => %{
	"content" => nil
	}
	}

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

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

	assert activity == new_activity
	end

	test "inserts a given map into the activity database, giving it an id if it has none." do
	data = %{
	"ok" => true
	}

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

	given_id = "bla"

	data = %{
	"ok" => true,
	"id" => given_id,
	"context" => "blabla"
	}

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

	test "adds a context when none is there" do
	data = %{
	"id" => "some_id",
	"object" => %{
	"id" => "object_id"
	}
	}

	{:ok, %Activity{} = activity} = ActivityPub.insert(data)

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

	test "adds an id to a given object if it lacks one and is a note and inserts it to the object database" do
	data = %{
	"object" => %{
	"type" => "Note",
	"ok" => true
	}
	}

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

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

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

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

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

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

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

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

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

	user = Repo.get(User, user.id)
	assert user.info.note_count == 2
	end
	end

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

	assert activity == expected_activity
	end

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

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

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

	[activity] = ActivityPub.fetch_public_activities()

	assert activity == listed_activity
	end

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

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

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

	test "retrieves a maximum of 20 activities" do
	activities = ActivityBuilder.insert_list(30)
	last_expected = List.last(activities)

	activities = ActivityPub.fetch_public_activities()
	last = List.last(activities)

	assert length(activities) == 20
	assert last == last_expected
	end

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

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

	assert length(activities) == 10
	assert last == last_expected
	end

	test "retrieves ids up to max_id" do
	_first_activities = ActivityBuilder.insert_list(10)
	activities = ActivityBuilder.insert_list(20)
	later_activities = ActivityBuilder.insert_list(10)
	max_id = List.first(later_activities).id
	last_expected = List.last(activities)

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

	assert length(activities) == 20
	assert last == last_expected
	end
	+
	+ test "doesn't return reblogs for users for whom reblogs have been muted" do
	+ activity = insert(:note_activity)
	+ user = insert(:user)
	+ booster = insert(:user)
	+ {:ok, user} = CommonAPI.hide_reblogs(user, booster)
	+
	+ {:ok, activity, _} = CommonAPI.repeat(activity.id, booster)
	+
	+ activities = ActivityPub.fetch_activities([], %{"muting_user" => user})
	+
	+ refute Enum.member?(activities, activity)
	+ end
	end

	describe "like an object" do
	test "adds a like activity to the db" do
	note_activity = insert(:note_activity)
	object = Object.get_by_ap_id(note_activity.data["object"]["id"])
	user = insert(:user)
	user_two = insert(:user)

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

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

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

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

	[note_activity] = Activity.get_all_create_by_object_ap_id(object.data["id"])
	assert note_activity.data["object"]["like_count"] == 1

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

	describe "unliking" do
	test "unliking a previously liked object" do
	note_activity = insert(:note_activity)
	object = Object.get_by_ap_id(note_activity.data["object"]["id"])
	user = insert(:user)

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

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

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

	assert Repo.get(Activity, like_activity.id) == nil
	end
	end

	describe "announcing an object" do
	test "adds an announce activity to the db" do
	note_activity = insert(:note_activity)
	object = Object.get_by_ap_id(note_activity.data["object"]["id"])
	user = insert(:user)

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

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

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

	describe "unannouncing an object" do
	test "unannouncing a previously announced object" do
	note_activity = insert(:note_activity)
	object = Object.get_by_ap_id(note_activity.data["object"]["id"])
	user = insert(:user)

	# Unannouncing an object that is not announced does nothing
	# {:ok, object} = ActivityPub.unannounce(user, object)
	# assert object.data["announcement_count"] == 0

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

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

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

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

	assert Repo.get(Activity, announce_activity.id) == nil
	end
	end

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

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

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

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

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

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

	describe "fetching an object" do
	test "it fetches an object" do
	{:ok, object} =
	ActivityPub.fetch_object_from_id("http://mastodon.example.org/@admin/99541947525187367")

	assert activity = Activity.get_create_by_object_ap_id(object.data["id"])
	assert activity.data["id"]

	{:ok, object_again} =
	ActivityPub.fetch_object_from_id("http://mastodon.example.org/@admin/99541947525187367")

	assert [attachment] = object.data["attachment"]
	assert is_list(attachment["url"])

	assert object == object_again
	end

	test "it works with objects only available via Ostatus" do
	{:ok, object} = ActivityPub.fetch_object_from_id("https://shitposter.club/notice/2827873")
	assert activity = Activity.get_create_by_object_ap_id(object.data["id"])
	assert activity.data["id"]

	{:ok, object_again} =
	ActivityPub.fetch_object_from_id("https://shitposter.club/notice/2827873")

	assert object == object_again
	end

	test "it correctly stitches up conversations between ostatus and ap" do
	last = "https://mstdn.io/users/mayuutann/statuses/99568293732299394"
	{:ok, object} = ActivityPub.fetch_object_from_id(last)

	object = Object.get_by_ap_id(object.data["inReplyTo"])
	assert object
	end
	end

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

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

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

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

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

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

	describe "blocking / unblocking" do
	test "creates a block activity" do
	blocker = insert(:user)
	blocked = insert(:user)

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

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

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

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

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

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

	describe "deletion" do
	test "it creates a delete activity and deletes the original object" do
	note = insert(:note_activity)
	object = Object.get_by_ap_id(note.data["object"]["id"])
	{:ok, delete} = ActivityPub.delete(object)

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

	assert Repo.get(Activity, delete.id) != nil

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

	test "decrements user note count only for public activities" do
	user = insert(:user, info: %{note_count: 10})

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

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

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

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

	{:ok, _} = a1.data["object"]["id"] \|> Object.get_by_ap_id() \|> ActivityPub.delete()
	{:ok, _} = a2.data["object"]["id"] \|> Object.get_by_ap_id() \|> ActivityPub.delete()
	{:ok, _} = a3.data["object"]["id"] \|> Object.get_by_ap_id() \|> ActivityPub.delete()
	{:ok, _} = a4.data["object"]["id"] \|> Object.get_by_ap_id() \|> ActivityPub.delete()

	user = Repo.get(User, user.id)
	assert user.info.note_count == 10
	end

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

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

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

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

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

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

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

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

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

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

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

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

	activities = ActivityPub.fetch_activities([user1.ap_id \| user1.following])

	assert [public_activity, private_activity_1, private_activity_3] == activities
	assert length(activities) == 3

	activities = ActivityPub.contain_timeline(activities, user1)

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

	test "it can fetch plume articles" do
	{:ok, object} =
	ActivityPub.fetch_object_from_id(
	"https://baptiste.gelez.xyz/~/PlumeDevelopment/this-month-in-plume-june-2018/"
	)

	assert object
	end

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

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

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

	test "it can fetch peertube videos" do
	{:ok, object} =
	ActivityPub.fetch_object_from_id(
	"https://peertube.moe/videos/watch/df5f464b-be8d-46fb-ad81-2d4c2d1630e3"
	)

	assert object
	end

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

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

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

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

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

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

	assert 3 = length(activities)
	end

	test "it can create a Flag activity" do
	reporter = insert(:user)
	target_account = insert(:user)
	{:ok, activity} = CommonAPI.post(target_account, %{"status" => "foobar"})
	context = Utils.generate_context_id()
	content = "foobar"

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

	assert {:ok, activity} =
	ActivityPub.flag(%{
	actor: reporter,
	context: context,
	account: target_account,
	statuses: [activity],
	content: content
	})

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

	describe "publish_one/1" do
	test_with_mock "calls `Instances.set_reachable` on successful federation if `unreachable_since` is not specified",
	Instances,
	[:passthrough],
	[] do
	actor = insert(:user)
	inbox = "http://200.site/users/nick1/inbox"

	assert {:ok, _} = ActivityPub.publish_one(%{inbox: inbox, json: "{}", actor: actor, id: 1})

	assert called(Instances.set_reachable(inbox))
	end

	test_with_mock "calls `Instances.set_reachable` on successful federation if `unreachable_since` is set",
	Instances,
	[:passthrough],
	[] do
	actor = insert(:user)
	inbox = "http://200.site/users/nick1/inbox"

	assert {:ok, _} =
	ActivityPub.publish_one(%{
	inbox: inbox,
	json: "{}",
	actor: actor,
	id: 1,
	unreachable_since: NaiveDateTime.utc_now()
	})

	assert called(Instances.set_reachable(inbox))
	end

	test_with_mock "does NOT call `Instances.set_reachable` on successful federation if `unreachable_since` is nil",
	Instances,
	[:passthrough],
	[] do
	actor = insert(:user)
	inbox = "http://200.site/users/nick1/inbox"

	assert {:ok, _} =
	ActivityPub.publish_one(%{
	inbox: inbox,
	json: "{}",
	actor: actor,
	id: 1,
	unreachable_since: nil
	})

	refute called(Instances.set_reachable(inbox))
	end

	test_with_mock "calls `Instances.set_unreachable` on target inbox on non-2xx HTTP response code",
	Instances,
	[:passthrough],
	[] do
	actor = insert(:user)
	inbox = "http://404.site/users/nick1/inbox"

	assert {:error, _} =
	ActivityPub.publish_one(%{inbox: inbox, json: "{}", actor: actor, id: 1})

	assert called(Instances.set_unreachable(inbox))
	end

	test_with_mock "it calls `Instances.set_unreachable` on target inbox on request error of any kind",
	Instances,
	[:passthrough],
	[] do
	actor = insert(:user)
	inbox = "http://connrefused.site/users/nick1/inbox"

	assert {:error, _} =
	ActivityPub.publish_one(%{inbox: inbox, json: "{}", actor: actor, id: 1})

	assert called(Instances.set_unreachable(inbox))
	end

	test_with_mock "does NOT call `Instances.set_unreachable` if target is reachable",
	Instances,
	[:passthrough],
	[] do
	actor = insert(:user)
	inbox = "http://200.site/users/nick1/inbox"

	assert {:ok, _} = ActivityPub.publish_one(%{inbox: inbox, json: "{}", actor: actor, id: 1})

	refute called(Instances.set_unreachable(inbox))
	end

	test_with_mock "does NOT call `Instances.set_unreachable` if target instance has non-nil `unreachable_since`",
	Instances,
	[:passthrough],
	[] do
	actor = insert(:user)
	inbox = "http://connrefused.site/users/nick1/inbox"

	assert {:error, _} =
	ActivityPub.publish_one(%{
	inbox: inbox,
	json: "{}",
	actor: actor,
	id: 1,
	unreachable_since: NaiveDateTime.utc_now()
	})

	refute called(Instances.set_unreachable(inbox))
	end
	end

	def data_uri do
	File.read!("test/fixtures/avatar_data_uri")
	end
	end
	diff --git a/test/web/common_api/common_api_test.exs b/test/web/common_api/common_api_test.exs
	index 181813c76..f83f80b40 100644
	--- a/test/web/common_api/common_api_test.exs
	+++ b/test/web/common_api/common_api_test.exs
	@@ -1,224 +1,247 @@
	# Pleroma: A lightweight social networking server
	# Copyright © 2017-2019 Pleroma Authors <https://pleroma.social/>
	# SPDX-License-Identifier: AGPL-3.0-only

	defmodule Pleroma.Web.CommonAPITest do
	use Pleroma.DataCase
	alias Pleroma.Activity
	alias Pleroma.User
	alias Pleroma.Web.CommonAPI

	import Pleroma.Factory

	test "it de-duplicates tags" do
	user = insert(:user)
	{:ok, activity} = CommonAPI.post(user, %{"status" => "#2hu #2HU"})

	assert activity.data["object"]["tag"] == ["2hu"]
	end

	test "it adds emoji in the object" do
	user = insert(:user)
	{:ok, activity} = CommonAPI.post(user, %{"status" => ":moominmamma:"})

	assert activity.data["object"]["emoji"]["moominmamma"]
	end

	test "it adds emoji when updating profiles" do
	user = insert(:user, %{name: ":karjalanpiirakka:"})

	CommonAPI.update(user)
	user = User.get_cached_by_ap_id(user.ap_id)
	[karjalanpiirakka] = user.info.source_data["tag"]

	assert karjalanpiirakka["name"] == ":karjalanpiirakka:"
	end

	describe "posting" do
	test "it filters out obviously bad tags when accepting a post as HTML" do
	user = insert(:user)

	post = "<p><b>2hu</b></p><script>alert('xss')</script>"

	{:ok, activity} =
	CommonAPI.post(user, %{
	"status" => post,
	"content_type" => "text/html"
	})

	content = activity.data["object"]["content"]
	assert content == "<p><b>2hu</b></p>alert('xss')"
	end

	test "it filters out obviously bad tags when accepting a post as Markdown" do
	user = insert(:user)

	post = "<p><b>2hu</b></p><script>alert('xss')</script>"

	{:ok, activity} =
	CommonAPI.post(user, %{
	"status" => post,
	"content_type" => "text/markdown"
	})

	content = activity.data["object"]["content"]
	assert content == "<p><b>2hu</b></p>alert('xss')"
	end
	end

	describe "reactions" do
	test "repeating a status" do
	user = insert(:user)
	other_user = insert(:user)

	{:ok, activity} = CommonAPI.post(other_user, %{"status" => "cofe"})

	{:ok, %Activity{}, _} = CommonAPI.repeat(activity.id, user)
	end

	test "favoriting a status" do
	user = insert(:user)
	other_user = insert(:user)

	{:ok, activity} = CommonAPI.post(other_user, %{"status" => "cofe"})

	{:ok, %Activity{}, _} = CommonAPI.favorite(activity.id, user)
	end

	test "retweeting a status twice returns an error" do
	user = insert(:user)
	other_user = insert(:user)

	{:ok, activity} = CommonAPI.post(other_user, %{"status" => "cofe"})
	{:ok, %Activity{}, _object} = CommonAPI.repeat(activity.id, user)
	{:error, _} = CommonAPI.repeat(activity.id, user)
	end

	test "favoriting a status twice returns an error" do
	user = insert(:user)
	other_user = insert(:user)

	{:ok, activity} = CommonAPI.post(other_user, %{"status" => "cofe"})
	{:ok, %Activity{}, _object} = CommonAPI.favorite(activity.id, user)
	{:error, _} = CommonAPI.favorite(activity.id, user)
	end
	end

	describe "pinned statuses" do
	setup do
	Pleroma.Config.put([:instance, :max_pinned_statuses], 1)

	user = insert(:user)
	{:ok, activity} = CommonAPI.post(user, %{"status" => "HI!!!"})

	[user: user, activity: activity]
	end

	test "pin status", %{user: user, activity: activity} do
	assert {:ok, ^activity} = CommonAPI.pin(activity.id, user)

	id = activity.id
	user = refresh_record(user)

	assert %User{info: %{pinned_activities: [^id]}} = user
	end

	test "only self-authored can be pinned", %{activity: activity} do
	user = insert(:user)

	assert {:error, "Could not pin"} = CommonAPI.pin(activity.id, user)
	end

	test "max pinned statuses", %{user: user, activity: activity_one} do
	{:ok, activity_two} = CommonAPI.post(user, %{"status" => "HI!!!"})

	assert {:ok, ^activity_one} = CommonAPI.pin(activity_one.id, user)

	user = refresh_record(user)

	assert {:error, "You have already pinned the maximum number of statuses"} =
	CommonAPI.pin(activity_two.id, user)
	end

	test "unpin status", %{user: user, activity: activity} do
	{:ok, activity} = CommonAPI.pin(activity.id, user)

	user = refresh_record(user)

	assert {:ok, ^activity} = CommonAPI.unpin(activity.id, user)

	user = refresh_record(user)

	assert %User{info: %{pinned_activities: []}} = user
	end

	test "should unpin when deleting a status", %{user: user, activity: activity} do
	{:ok, activity} = CommonAPI.pin(activity.id, user)

	user = refresh_record(user)

	assert {:ok, _} = CommonAPI.delete(activity.id, user)

	user = refresh_record(user)

	assert %User{info: %{pinned_activities: []}} = user
	end
	end

	describe "mute tests" do
	setup do
	user = insert(:user)

	activity = insert(:note_activity)

	[user: user, activity: activity]
	end

	test "add mute", %{user: user, activity: activity} do
	{:ok, _} = CommonAPI.add_mute(user, activity)
	assert CommonAPI.thread_muted?(user, activity)
	end

	test "remove mute", %{user: user, activity: activity} do
	CommonAPI.add_mute(user, activity)
	{:ok, _} = CommonAPI.remove_mute(user, activity)
	refute CommonAPI.thread_muted?(user, activity)
	end

	test "check that mutes can't be duplicate", %{user: user, activity: activity} do
	CommonAPI.add_mute(user, activity)
	{:error, _} = CommonAPI.add_mute(user, activity)
	end
	end

	describe "reports" do
	test "creates a report" do
	reporter = insert(:user)
	target_user = insert(:user)

	{:ok, activity} = CommonAPI.post(target_user, %{"status" => "foobar"})

	reporter_ap_id = reporter.ap_id
	target_ap_id = target_user.ap_id
	activity_ap_id = activity.data["id"]
	comment = "foobar"

	report_data = %{
	"account_id" => target_user.id,
	"comment" => comment,
	"status_ids" => [activity.id]
	}

	assert {:ok, flag_activity} = CommonAPI.report(reporter, report_data)

	assert %Activity{
	actor: ^reporter_ap_id,
	data: %{
	"type" => "Flag",
	"content" => ^comment,
	"object" => [^target_ap_id, ^activity_ap_id]
	}
	} = flag_activity
	end
	end
	+
	+ describe "reblog muting" do
	+ setup do
	+ muter = insert(:user)
	+
	+ muted = insert(:user)
	+
	+ [muter: muter, muted: muted]
	+ end
	+
	+ test "add a reblog mute", %{muter: muter, muted: muted} do
	+ {:ok, muter} = CommonAPI.hide_reblogs(muter, muted)
	+
	+ assert Pleroma.User.showing_reblogs?(muter, muted) == false
	+ end
	+
	+ test "remove a reblog mute", %{muter: muter, muted: muted} do
	+ {:ok, muter} = CommonAPI.hide_reblogs(muter, muted)
	+ {:ok, muter} = CommonAPI.show_reblogs(muter, muted)
	+
	+ assert Pleroma.User.showing_reblogs?(muter, muted) == true
	+ end
	+ end
	end
	diff --git a/test/web/mastodon_api/account_view_test.exs b/test/web/mastodon_api/account_view_test.exs
	index c2ffc21da..6dc60afe9 100644
	--- a/test/web/mastodon_api/account_view_test.exs
	+++ b/test/web/mastodon_api/account_view_test.exs
	@@ -1,213 +1,213 @@
	# Pleroma: A lightweight social networking server
	# Copyright © 2017-2018 Pleroma Authors <https://pleroma.social/>
	# SPDX-License-Identifier: AGPL-3.0-only

	defmodule Pleroma.Web.MastodonAPI.AccountViewTest do
	use Pleroma.DataCase
	import Pleroma.Factory
	alias Pleroma.User
	alias Pleroma.Web.MastodonAPI.AccountView

	test "Represent a user account" do
	source_data = %{
	"tag" => [
	%{
	"type" => "Emoji",
	"icon" => %{"url" => "/file.png"},
	"name" => ":karjalanpiirakka:"
	}
	]
	}

	user =
	insert(:user, %{
	info: %{note_count: 5, follower_count: 3, source_data: source_data},
	nickname: "shp@shitposter.club",
	name: ":karjalanpiirakka: shp",
	bio: "<script src=\"invalid-html\"></script><span>valid html</span>",
	inserted_at: ~N[2017-08-15 15:47:06.597036]
	})

	expected = %{
	id: to_string(user.id),
	username: "shp",
	acct: user.nickname,
	display_name: user.name,
	locked: false,
	created_at: "2017-08-15T15:47:06.000Z",
	followers_count: 3,
	following_count: 0,
	statuses_count: 5,
	note: "<span>valid html</span>",
	url: user.ap_id,
	avatar: "http://localhost:4001/images/avi.png",
	avatar_static: "http://localhost:4001/images/avi.png",
	header: "http://localhost:4001/images/banner.png",
	header_static: "http://localhost:4001/images/banner.png",
	emojis: [
	%{
	"static_url" => "/file.png",
	"url" => "/file.png",
	"shortcode" => "karjalanpiirakka",
	"visible_in_picker" => false
	}
	],
	fields: [],
	bot: false,
	source: %{
	note: "",
	privacy: "public",
	sensitive: false
	},
	pleroma: %{
	confirmation_pending: false,
	tags: [],
	is_admin: false,
	is_moderator: false,
	relationship: %{}
	}
	}

	assert expected == AccountView.render("account.json", %{user: user})
	end

	test "Represent a Service(bot) account" do
	user =
	insert(:user, %{
	info: %{note_count: 5, follower_count: 3, source_data: %{"type" => "Service"}},
	nickname: "shp@shitposter.club",
	inserted_at: ~N[2017-08-15 15:47:06.597036]
	})

	expected = %{
	id: to_string(user.id),
	username: "shp",
	acct: user.nickname,
	display_name: user.name,
	locked: false,
	created_at: "2017-08-15T15:47:06.000Z",
	followers_count: 3,
	following_count: 0,
	statuses_count: 5,
	note: user.bio,
	url: user.ap_id,
	avatar: "http://localhost:4001/images/avi.png",
	avatar_static: "http://localhost:4001/images/avi.png",
	header: "http://localhost:4001/images/banner.png",
	header_static: "http://localhost:4001/images/banner.png",
	emojis: [],
	fields: [],
	bot: true,
	source: %{
	note: "",
	privacy: "public",
	sensitive: false
	},
	pleroma: %{
	confirmation_pending: false,
	tags: [],
	is_admin: false,
	is_moderator: false,
	relationship: %{}
	}
	}

	assert expected == AccountView.render("account.json", %{user: user})
	end

	test "Represent a smaller mention" do
	user = insert(:user)

	expected = %{
	id: to_string(user.id),
	acct: user.nickname,
	username: user.nickname,
	url: user.ap_id
	}

	assert expected == AccountView.render("mention.json", %{user: user})
	end

	test "represent a relationship" do
	user = insert(:user)
	other_user = insert(:user)

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

	expected = %{
	id: to_string(other_user.id),
	following: false,
	followed_by: false,
	blocking: true,
	muting: false,
	muting_notifications: false,
	requested: false,
	domain_blocking: false,
	- showing_reblogs: false,
	+ showing_reblogs: true,
	endorsed: false
	}

	assert expected == AccountView.render("relationship.json", %{user: user, target: other_user})
	end

	test "represent an embedded relationship" do
	user =
	insert(:user, %{
	info: %{note_count: 5, follower_count: 3, source_data: %{"type" => "Service"}},
	nickname: "shp@shitposter.club",
	inserted_at: ~N[2017-08-15 15:47:06.597036]
	})

	other_user = insert(:user)

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

	expected = %{
	id: to_string(user.id),
	username: "shp",
	acct: user.nickname,
	display_name: user.name,
	locked: false,
	created_at: "2017-08-15T15:47:06.000Z",
	followers_count: 3,
	following_count: 0,
	statuses_count: 5,
	note: user.bio,
	url: user.ap_id,
	avatar: "http://localhost:4001/images/avi.png",
	avatar_static: "http://localhost:4001/images/avi.png",
	header: "http://localhost:4001/images/banner.png",
	header_static: "http://localhost:4001/images/banner.png",
	emojis: [],
	fields: [],
	bot: true,
	source: %{
	note: "",
	privacy: "public",
	sensitive: false
	},
	pleroma: %{
	confirmation_pending: false,
	tags: [],
	is_admin: false,
	is_moderator: false,
	relationship: %{
	id: to_string(user.id),
	following: false,
	followed_by: false,
	blocking: true,
	muting: false,
	muting_notifications: false,
	requested: false,
	domain_blocking: false,
	- showing_reblogs: false,
	+ showing_reblogs: true,
	endorsed: false
	}
	}
	}

	assert expected == AccountView.render("account.json", %{user: user, for: other_user})
	end
	end
	diff --git a/test/web/streamer_test.exs b/test/web/streamer_test.exs
	index 0a2e91298..bfe18cb7f 100644
	--- a/test/web/streamer_test.exs
	+++ b/test/web/streamer_test.exs
	@@ -1,205 +1,235 @@
	# Pleroma: A lightweight social networking server
	# Copyright © 2017-2018 Pleroma Authors <https://pleroma.social/>
	# SPDX-License-Identifier: AGPL-3.0-only

	defmodule Pleroma.Web.StreamerTest do
	use Pleroma.DataCase

	alias Pleroma.List
	alias Pleroma.User
	alias Pleroma.Web.CommonAPI
	alias Pleroma.Web.Streamer
	import Pleroma.Factory

	test "it sends to public" do
	user = insert(:user)
	other_user = insert(:user)

	task =
	Task.async(fn ->
	assert_receive {:text, _}, 4_000
	end)

	fake_socket = %{
	transport_pid: task.pid,
	assigns: %{
	user: user
	}
	}

	{:ok, activity} = CommonAPI.post(other_user, %{"status" => "Test"})

	topics = %{
	"public" => [fake_socket]
	}

	Streamer.push_to_socket(topics, "public", activity)

	Task.await(task)

	task =
	Task.async(fn ->
	expected_event =
	%{
	"event" => "delete",
	"payload" => activity.id
	}
	\|> Jason.encode!()

	assert_receive {:text, received_event}, 4_000
	assert received_event == expected_event
	end)

	fake_socket = %{
	transport_pid: task.pid,
	assigns: %{
	user: user
	}
	}

	{:ok, activity} = CommonAPI.delete(activity.id, other_user)

	topics = %{
	"public" => [fake_socket]
	}

	Streamer.push_to_socket(topics, "public", activity)

	Task.await(task)
	end

	test "it doesn't send to blocked users" do
	user = insert(:user)
	blocked_user = insert(:user)
	{:ok, user} = User.block(user, blocked_user)

	task =
	Task.async(fn ->
	refute_receive {:text, _}, 1_000
	end)

	fake_socket = %{
	transport_pid: task.pid,
	assigns: %{
	user: user
	}
	}

	{:ok, activity} = CommonAPI.post(blocked_user, %{"status" => "Test"})

	topics = %{
	"public" => [fake_socket]
	}

	Streamer.push_to_socket(topics, "public", activity)

	Task.await(task)
	end

	test "it doesn't send unwanted DMs to list" do
	user_a = insert(:user)
	user_b = insert(:user)
	user_c = insert(:user)

	{:ok, user_a} = User.follow(user_a, user_b)

	{:ok, list} = List.create("Test", user_a)
	{:ok, list} = List.follow(list, user_b)

	task =
	Task.async(fn ->
	refute_receive {:text, _}, 1_000
	end)

	fake_socket = %{
	transport_pid: task.pid,
	assigns: %{
	user: user_a
	}
	}

	{:ok, activity} =
	CommonAPI.post(user_b, %{
	"status" => "@#{user_c.nickname} Test",
	"visibility" => "direct"
	})

	topics = %{
	"list:#{list.id}" => [fake_socket]
	}

	Streamer.handle_cast(%{action: :stream, topic: "list", item: activity}, topics)

	Task.await(task)
	end

	test "it doesn't send unwanted private posts to list" do
	user_a = insert(:user)
	user_b = insert(:user)

	{:ok, list} = List.create("Test", user_a)
	{:ok, list} = List.follow(list, user_b)

	task =
	Task.async(fn ->
	refute_receive {:text, _}, 1_000
	end)

	fake_socket = %{
	transport_pid: task.pid,
	assigns: %{
	user: user_a
	}
	}

	{:ok, activity} =
	CommonAPI.post(user_b, %{
	"status" => "Test",
	"visibility" => "private"
	})

	topics = %{
	"list:#{list.id}" => [fake_socket]
	}

	Streamer.handle_cast(%{action: :stream, topic: "list", item: activity}, topics)

	Task.await(task)
	end

	test "it send wanted private posts to list" do
	user_a = insert(:user)
	user_b = insert(:user)

	{:ok, user_a} = User.follow(user_a, user_b)

	{:ok, list} = List.create("Test", user_a)
	{:ok, list} = List.follow(list, user_b)

	task =
	Task.async(fn ->
	assert_receive {:text, _}, 1_000
	end)

	fake_socket = %{
	transport_pid: task.pid,
	assigns: %{
	user: user_a
	}
	}

	{:ok, activity} =
	CommonAPI.post(user_b, %{
	"status" => "Test",
	"visibility" => "private"
	})

	topics = %{
	"list:#{list.id}" => [fake_socket]
	}

	Streamer.handle_cast(%{action: :stream, topic: "list", item: activity}, topics)

	Task.await(task)
	end
	+
	+ test "it doesn't send muted reblogs" do
	+ user1 = insert(:user)
	+ user2 = insert(:user)
	+ user3 = insert(:user)
	+ CommonAPI.hide_reblogs(user1, user2)
	+
	+ task =
	+ Task.async(fn ->
	+ refute_receive {:text, _}, 1_000
	+ end)
	+
	+ fake_socket = %{
	+ transport_pid: task.pid,
	+ assigns: %{
	+ user: user1
	+ }
	+ }
	+
	+ {:ok, create_activity} = CommonAPI.post(user3, %{"status" => "I'm kawen"})
	+ {:ok, announce_activity, _} = CommonAPI.repeat(create_activity.id, user2)
	+
	+ topics = %{
	+ "public" => [fake_socket]
	+ }
	+
	+ Streamer.push_to_socket(topics, "public", announce_activity)
	+
	+ Task.await(task)
	+ end
	end

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