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	diff --git a/config/config.exs b/config/config.exs
	index 7a1a875c9..c0a936b17 100644
	--- a/config/config.exs
	+++ b/config/config.exs
	@@ -1,283 +1,283 @@
	# This file is responsible for configuring your application
	# and its dependencies with the aid of the Mix.Config module.
	#
	# This configuration file is loaded before any dependency and
	# is restricted to this project.
	use Mix.Config

	# General application configuration
	config :pleroma, ecto_repos: [Pleroma.Repo]

	config :pleroma, Pleroma.Repo, types: Pleroma.PostgresTypes

	config :pleroma, Pleroma.Captcha,
	enabled: false,
	seconds_valid: 60,
	method: Pleroma.Captcha.Kocaptcha

	config :pleroma, Pleroma.Captcha.Kocaptcha, endpoint: "https://captcha.kotobank.ch"

	# Upload configuration
	config :pleroma, Pleroma.Upload,
	uploader: Pleroma.Uploaders.Local,
	filters: [],
	proxy_remote: false,
	proxy_opts: []

	config :pleroma, Pleroma.Uploaders.Local, uploads: "uploads"

	config :pleroma, Pleroma.Uploaders.S3,
	bucket: nil,
	public_endpoint: "https://s3.amazonaws.com"

	config :pleroma, Pleroma.Uploaders.MDII,
	cgi: "https://mdii.sakura.ne.jp/mdii-post.cgi",
	files: "https://mdii.sakura.ne.jp"

	config :pleroma, :emoji, shortcode_globs: ["/emoji/custom/*/.png"]

	config :pleroma, :uri_schemes,
	valid_schemes: [
	"https",
	"http",
	"dat",
	"dweb",
	"gopher",
	"ipfs",
	"ipns",
	"irc",
	"ircs",
	"magnet",
	"mailto",
	"mumble",
	"ssb",
	"xmpp"
	]

	websocket_config = [
	path: "/websocket",
	serializer: [
	{Phoenix.Socket.V1.JSONSerializer, "~> 1.0.0"},
	{Phoenix.Socket.V2.JSONSerializer, "~> 2.0.0"}
	],
	timeout: 60_000,
	transport_log: false,
	compress: false
	]

	# Configures the endpoint
	config :pleroma, Pleroma.Web.Endpoint,
	url: [host: "localhost"],
	http: [
	dispatch: [
	{:_,
	[
	{"/api/v1/streaming", Elixir.Pleroma.Web.MastodonAPI.WebsocketHandler, []},
	{"/socket/websocket", Phoenix.Endpoint.CowboyWebSocket,
	{nil, {Pleroma.Web.Endpoint, Pleroma.Web.UserSocket, websocket_config}}},
	{:_, Plug.Adapters.Cowboy.Handler, {Pleroma.Web.Endpoint, []}}
	]}
	]
	],
	protocol: "https",
	secret_key_base: "aK4Abxf29xU9TTDKre9coZPUgevcVCFQJe/5xP/7Lt4BEif6idBIbjupVbOrbKxl",
	signing_salt: "CqaoopA2",
	render_errors: [view: Pleroma.Web.ErrorView, accepts: ~w(json)],
	pubsub: [name: Pleroma.PubSub, adapter: Phoenix.PubSub.PG2],
	secure_cookie_flag: true

	# Configures Elixir's Logger
	config :logger, :console,
	format: "$time $metadata[$level] $message\n",
	metadata: [:request_id]

	config :logger, :ex_syslogger,
	level: :debug,
	ident: "Pleroma",
	format: "$date $time $metadata[$level] $message",
	metadata: [:request_id]

	config :mime, :types, %{
	"application/xml" => ["xml"],
	"application/xrd+xml" => ["xrd+xml"],
	"application/jrd+json" => ["jrd+json"],
	"application/activity+json" => ["activity+json"],
	"application/ld+json" => ["activity+json"]
	}

	config :pleroma, :websub, Pleroma.Web.Websub
	config :pleroma, :ostatus, Pleroma.Web.OStatus
	config :pleroma, :httpoison, Pleroma.HTTP
	config :tesla, adapter: Tesla.Adapter.Hackney

	# Configures http settings, upstream proxy etc.
	config :pleroma, :http, proxy_url: nil

	config :pleroma, :instance,
	name: "Pleroma",
	email: "example@example.com",
	description: "A Pleroma instance, an alternative fediverse server",
	limit: 5_000,
	remote_limit: 100_000,
	upload_limit: 16_000_000,
	avatar_upload_limit: 2_000_000,
	background_upload_limit: 4_000_000,
	banner_upload_limit: 4_000_000,
	registrations_open: true,
	federating: true,
	- federation_reachability_timeout_days: 90,
	+ federation_reachability_timeout_days: 7,
	allow_relay: true,
	rewrite_policy: Pleroma.Web.ActivityPub.MRF.NoOpPolicy,
	public: true,
	quarantined_instances: [],
	managed_config: true,
	static_dir: "instance/static/",
	allowed_post_formats: [
	"text/plain",
	"text/html",
	"text/markdown"
	],
	finmoji_enabled: true,
	mrf_transparency: true,
	autofollowed_nicknames: [],
	max_pinned_statuses: 1,
	no_attachment_links: false

	config :pleroma, :markup,
	# XXX - unfortunately, inline images must be enabled by default right now, because
	# of custom emoji. Issue #275 discusses defanging that somehow.
	allow_inline_images: true,
	allow_headings: false,
	allow_tables: false,
	allow_fonts: false,
	scrub_policy: [
	Pleroma.HTML.Transform.MediaProxy,
	Pleroma.HTML.Scrubber.Default
	]

	config :pleroma, :fe,
	theme: "pleroma-dark",
	logo: "/static/logo.png",
	logo_mask: true,
	logo_margin: "0.1em",
	background: "/static/aurora_borealis.jpg",
	redirect_root_no_login: "/main/all",
	redirect_root_login: "/main/friends",
	show_instance_panel: true,
	scope_options_enabled: false,
	formatting_options_enabled: false,
	collapse_message_with_subject: false,
	hide_post_stats: false,
	hide_user_stats: false,
	scope_copy: true,
	subject_line_behavior: "email",
	always_show_subject_input: true

	config :pleroma, :activitypub,
	accept_blocks: true,
	unfollow_blocked: true,
	outgoing_blocks: true,
	follow_handshake_timeout: 500

	config :pleroma, :user, deny_follow_blocked: true

	config :pleroma, :mrf_normalize_markup, scrub_policy: Pleroma.HTML.Scrubber.Default

	config :pleroma, :mrf_rejectnonpublic,
	allow_followersonly: false,
	allow_direct: false

	config :pleroma, :mrf_hellthread, threshold: 10

	config :pleroma, :mrf_simple,
	media_removal: [],
	media_nsfw: [],
	federated_timeline_removal: [],
	reject: [],
	accept: []

	config :pleroma, :media_proxy, enabled: false

	config :pleroma, :chat, enabled: true

	config :ecto, json_library: Jason

	config :phoenix, :format_encoders, json: Jason

	config :pleroma, :gopher,
	enabled: false,
	ip: {0, 0, 0, 0},
	port: 9999

	config :pleroma, :suggestions,
	enabled: false,
	third_party_engine:
	"http://vinayaka.distsn.org/cgi-bin/vinayaka-user-match-suggestions-api.cgi?{{host}}+{{user}}",
	timeout: 300_000,
	limit: 23,
	web: "https://vinayaka.distsn.org/?{{host}}+{{user}}"

	config :pleroma, :http_security,
	enabled: true,
	sts: false,
	sts_max_age: 31_536_000,
	ct_max_age: 2_592_000,
	referrer_policy: "same-origin"

	config :cors_plug,
	max_age: 86_400,
	methods: ["POST", "PUT", "DELETE", "GET", "PATCH", "OPTIONS"],
	expose: [
	"Link",
	"X-RateLimit-Reset",
	"X-RateLimit-Limit",
	"X-RateLimit-Remaining",
	"X-Request-Id",
	"Idempotency-Key"
	],
	credentials: true,
	headers: ["Authorization", "Content-Type", "Idempotency-Key"]

	config :pleroma, Pleroma.User,
	restricted_nicknames: [
	".well-known",
	"~",
	"about",
	"activities",
	"api",
	"auth",
	"dev",
	"friend-requests",
	"inbox",
	"internal",
	"main",
	"media",
	"nodeinfo",
	"notice",
	"oauth",
	"objects",
	"ostatus_subscribe",
	"pleroma",
	"proxy",
	"push",
	"registration",
	"relay",
	"settings",
	"status",
	"tag",
	"user-search",
	"users",
	"web"
	]

	config :pleroma, Pleroma.Web.Federator, max_jobs: 50

	config :pleroma, Pleroma.Web.Federator.RetryQueue,
	enabled: false,
	max_jobs: 20,
	initial_timeout: 30,
	max_retries: 5

	# Import environment specific config. This must remain at the bottom
	# of this file so it overrides the configuration defined above.
	import_config "#{Mix.env()}.exs"
	diff --git a/lib/pleroma/instances.ex b/lib/pleroma/instances.ex
	index 0b08f0eb8..5e107f4c9 100644
	--- a/lib/pleroma/instances.ex
	+++ b/lib/pleroma/instances.ex
	@@ -1,33 +1,36 @@
	defmodule Pleroma.Instances do
	@moduledoc "Instances context."

	@adapter Pleroma.Instances.Instance

	- defdelegate filter_reachable(urls), to: @adapter
	- defdelegate reachable?(url), to: @adapter
	- defdelegate set_reachable(url), to: @adapter
	- defdelegate set_unreachable(url, unreachable_since \\ nil), to: @adapter
	+ defdelegate filter_reachable(urls_or_hosts), to: @adapter
	+ defdelegate reachable?(url_or_host), to: @adapter
	+ defdelegate set_reachable(url_or_host), to: @adapter
	+ defdelegate set_unreachable(url_or_host, unreachable_since \\ nil), to: @adapter
	+
	+ def set_consistently_unreachable(url_or_host),
	+ do: set_unreachable(url_or_host, reachability_datetime_threshold())

	def reachability_datetime_threshold do
	federation_reachability_timeout_days =
	- Pleroma.Config.get(:instance)[:federation_reachability_timeout_days] \|\| 90
	+ Pleroma.Config.get(:instance)[:federation_reachability_timeout_days] \|\| 0

	if federation_reachability_timeout_days > 0 do
	NaiveDateTime.add(
	NaiveDateTime.utc_now(),
	-federation_reachability_timeout_days * 24 * 3600,
	:second
	)
	else
	~N[0000-01-01 00:00:00]
	end
	end

	def host(url_or_host) when is_binary(url_or_host) do
	if url_or_host =~ ~r/^http/i do
	URI.parse(url_or_host).host
	else
	url_or_host
	end
	end
	end
	diff --git a/lib/pleroma/instances/instance.ex b/lib/pleroma/instances/instance.ex
	index e3af4a8a7..a87590d8b 100644
	--- a/lib/pleroma/instances/instance.ex
	+++ b/lib/pleroma/instances/instance.ex
	@@ -1,102 +1,102 @@
	defmodule Pleroma.Instances.Instance do
	@moduledoc "Instance."

	alias Pleroma.Instances
	alias Pleroma.Instances.Instance

	use Ecto.Schema

	import Ecto.{Query, Changeset}

	alias Pleroma.Repo

	schema "instances" do
	field(:host, :string)
	field(:unreachable_since, :naive_datetime)

	timestamps()
	end

	- defdelegate host(url), to: Instances
	+ defdelegate host(url_or_host), to: Instances

	def changeset(struct, params \\ %{}) do
	struct
	\|> cast(params, [:host, :unreachable_since])
	\|> validate_required([:host])
	\|> unique_constraint(:host)
	end

	def filter_reachable([]), do: []

	- def filter_reachable(urls) when is_list(urls) do
	+ def filter_reachable(urls_or_hosts) when is_list(urls_or_hosts) do
	hosts =
	- urls
	+ urls_or_hosts
	\|> Enum.map(&(&1 && host(&1)))
	\|> Enum.filter(&(to_string(&1) != ""))

	unreachable_hosts =
	Repo.all(
	from(i in Instance,
	where:
	i.host in ^hosts and
	i.unreachable_since <= ^Instances.reachability_datetime_threshold(),
	select: i.host
	)
	)

	- Enum.filter(urls, &(&1 && host(&1) not in unreachable_hosts))
	+ Enum.filter(urls_or_hosts, &(&1 && host(&1) not in unreachable_hosts))
	end

	- def reachable?(url) when is_binary(url) do
	+ def reachable?(url_or_host) when is_binary(url_or_host) do
	!Repo.one(
	from(i in Instance,
	where:
	- i.host == ^host(url) and
	+ i.host == ^host(url_or_host) and
	i.unreachable_since <= ^Instances.reachability_datetime_threshold(),
	select: true
	)
	)
	end

	def reachable?(_), do: true

	- def set_reachable(url) when is_binary(url) do
	- with host <- host(url),
	+ def set_reachable(url_or_host) when is_binary(url_or_host) do
	+ with host <- host(url_or_host),
	%Instance{} = existing_record <- Repo.get_by(Instance, %{host: host}) do
	{:ok, _instance} =
	existing_record
	\|> changeset(%{unreachable_since: nil})
	\|> Repo.update()
	end
	end

	- def set_reachable(_), do: {0, :noop}
	+ def set_reachable(_), do: {:error, nil}

	- def set_unreachable(url, unreachable_since \\ nil)
	+ def set_unreachable(url_or_host, unreachable_since \\ nil)

	- def set_unreachable(url, unreachable_since) when is_binary(url) do
	+ def set_unreachable(url_or_host, unreachable_since) when is_binary(url_or_host) do
	unreachable_since = unreachable_since \|\| DateTime.utc_now()
	- host = host(url)
	+ host = host(url_or_host)
	existing_record = Repo.get_by(Instance, %{host: host})

	changes = %{unreachable_since: unreachable_since}

	cond do
	is_nil(existing_record) ->
	%Instance{}
	\|> changeset(Map.put(changes, :host, host))
	\|> Repo.insert()

	existing_record.unreachable_since &&
	NaiveDateTime.compare(existing_record.unreachable_since, unreachable_since) != :gt ->
	- {:noop, existing_record}
	+ {:ok, existing_record}

	true ->
	existing_record
	\|> changeset(changes)
	\|> Repo.update()
	end
	end

	- def set_unreachable(_, _), do: {0, :noop}
	+ def set_unreachable(_, _), do: {:error, nil}
	end
	diff --git a/lib/pleroma/web/activity_pub/activity_pub.ex b/lib/pleroma/web/activity_pub/activity_pub.ex
	index 4232d6c0a..6cad02da6 100644
	--- a/lib/pleroma/web/activity_pub/activity_pub.ex
	+++ b/lib/pleroma/web/activity_pub/activity_pub.ex
	@@ -1,878 +1,878 @@
	# 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, Repo, Object, Upload, User, Notification, Instances}
	alias Pleroma.Web.ActivityPub.{Transmogrifier, MRF}
	alias Pleroma.Web.WebFinger
	alias Pleroma.Web.Federator
	alias Pleroma.Web.OStatus
	import Ecto.Query
	import Pleroma.Web.ActivityPub.Utils
	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"] \|\| []
	recipients = to ++ cc
	actor = User.get_cached_by_ap_id(data["actor"])

	recipients
	\|> 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(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}}) do
	limit = Pleroma.Config.get([:instance, :remote_limit])
	String.length(content) <= limit
	end

	defp check_remote_limit(_), do: true

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

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

	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.map(fn tag -> Pleroma.Web.Streamer.stream("hashtag:" <> tag, activity) end)

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

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

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

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

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

	with data <- %{"to" => to, "type" => "Accept", "actor" => actor, "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, "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)

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

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

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

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

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

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

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

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

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

	query = from(activity in Activity)

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

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

	Repo.all(query)
	end

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

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

	@valid_visibilities ~w[direct unlisted public private]

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

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

	query
	end

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

	defp restrict_visibility(query, _visibility), do: query

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

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

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

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

	defp restrict_since(query, _), do: query

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

	defp restrict_tag(query, _), do: query

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

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

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

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

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

	defp restrict_limit(query, _), do: query

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

	defp restrict_local(query, _), do: query

	defp restrict_max(query, %{"max_id" => 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
	restrict_type(query, %{"type" => [type]})
	end

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

	defp restrict_type(query, _), do: query

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

	defp restrict_favorited_by(query, _), do: query

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

	defp restrict_media(query, _), do: query

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

	defp restrict_replies(query, _), do: query

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

	defp restrict_reblogs(query, _), do: query

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

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

	defp restrict_blocked(query, _), do: query

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

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

	defp restrict_pinned(query, _), do: query

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

	base_query
	\|> restrict_recipients(recipients, opts["user"])
	\|> restrict_tag(opts)
	\|> restrict_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_media(opts)
	\|> restrict_visibility(opts)
	\|> restrict_replies(opts)
	\|> restrict_reblogs(opts)
	\|> restrict_pinned(opts)
	end

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

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

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

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

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

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

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

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

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

	{:ok, user_data}
	end

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

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

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

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

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

	public = is_public?(activity)

	remote_inboxes =
	(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()

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

	Enum.each(remote_inboxes, fn inbox ->
	Federator.enqueue(:publish_single_ap, %{
	inbox: inbox,
	json: json,
	actor: actor,
	id: activity.data["id"]
	})
	end)
	end

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

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

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

	with {:ok, %{status: code}} when code in 200..299 <-
	result =
	@httpoison.post(
	inbox,
	json,
	[
	{"Content-Type", "application/activity+json"},
	{"signature", signature},
	{"digest", digest},
	{"referer", Pleroma.Web.Endpoint.url()}
	]
	) do
	Instances.set_reachable(inbox)
	result
	else
	- e ->
	+ {_post_result, response} ->
	Instances.set_unreachable(inbox)
	- e
	+ {: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
	Logger.info("Fetching #{id} via AP")

	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 #{id} via AP")

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

	def is_public?(%Object{data: %{"type" => "Tombstone"}}), do: false
	def is_public?(%Object{data: data}), do: is_public?(data)
	def is_public?(%Activity{data: data}), do: is_public?(data)
	def is_public?(%{"directMessage" => true}), do: false

	def is_public?(data) do
	"https://www.w3.org/ns/activitystreams#Public" in (data["to"] ++ (data["cc"] \|\| []))
	end

	def is_private?(activity) do
	!is_public?(activity) && Enum.any?(activity.data["to"], &String.contains?(&1, "/followers"))
	end

	def is_direct?(%Activity{data: %{"directMessage" => true}}), do: true
	def is_direct?(%Object{data: %{"directMessage" => true}}), do: true

	def is_direct?(activity) do
	!is_public?(activity) && !is_private?(activity)
	end

	def visible_for_user?(activity, nil) do
	is_public?(activity)
	end

	def visible_for_user?(activity, user) do
	x = [user.ap_id \| user.following]
	y = activity.data["to"] ++ (activity.data["cc"] \|\| [])
	visible_for_user?(activity, nil) \|\| Enum.any?(x, &(&1 in y))
	end

	# guard
	def entire_thread_visible_for_user?(nil, _user), do: false

	# child
	def entire_thread_visible_for_user?(
	%Activity{data: %{"object" => %{"inReplyTo" => parent_id}}} = tail,
	user
	)
	when is_binary(parent_id) do
	parent = Activity.get_in_reply_to_activity(tail)
	visible_for_user?(tail, user) && entire_thread_visible_for_user?(parent, user)
	end

	# root
	def entire_thread_visible_for_user?(tail, user), do: visible_for_user?(tail, user)

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

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

	# do post-processing on a timeline
	def contain_timeline(timeline, user) do
	timeline
	\|> Enum.filter(fn activity ->
	contain_activity(activity, user)
	end)
	end
	end
	diff --git a/lib/pleroma/web/salmon/salmon.ex b/lib/pleroma/web/salmon/salmon.ex
	index 80023127c..e96455423 100644
	--- a/lib/pleroma/web/salmon/salmon.ex
	+++ b/lib/pleroma/web/salmon/salmon.ex
	@@ -1,240 +1,236 @@
	# Pleroma: A lightweight social networking server
	# Copyright © 2017-2019 Pleroma Authors <https://pleroma.social/>
	# SPDX-License-Identifier: AGPL-3.0-only

	defmodule Pleroma.Web.Salmon do
	@httpoison Application.get_env(:pleroma, :httpoison)

	use Bitwise
	alias Pleroma.Instances
	alias Pleroma.Web.XML
	alias Pleroma.Web.OStatus.ActivityRepresenter
	alias Pleroma.User
	require Logger

	def decode(salmon) do
	doc = XML.parse_document(salmon)

	{:xmlObj, :string, data} = :xmerl_xpath.string('string(//me:data[1])', doc)
	{:xmlObj, :string, sig} = :xmerl_xpath.string('string(//me:sig[1])', doc)
	{:xmlObj, :string, alg} = :xmerl_xpath.string('string(//me:alg[1])', doc)
	{:xmlObj, :string, encoding} = :xmerl_xpath.string('string(//me:encoding[1])', doc)
	{:xmlObj, :string, type} = :xmerl_xpath.string('string(//me:data[1]/@type)', doc)

	{:ok, data} = Base.url_decode64(to_string(data), ignore: :whitespace)
	{:ok, sig} = Base.url_decode64(to_string(sig), ignore: :whitespace)
	alg = to_string(alg)
	encoding = to_string(encoding)
	type = to_string(type)

	[data, type, encoding, alg, sig]
	end

	def fetch_magic_key(salmon) do
	with [data, _, _, _, _] <- decode(salmon),
	doc <- XML.parse_document(data),
	uri when not is_nil(uri) <- XML.string_from_xpath("/entry/author[1]/uri", doc),
	{:ok, public_key} <- User.get_public_key_for_ap_id(uri),
	magic_key <- encode_key(public_key) do
	{:ok, magic_key}
	end
	end

	def decode_and_validate(magickey, salmon) do
	[data, type, encoding, alg, sig] = decode(salmon)

	signed_text =
	[data, type, encoding, alg]
	\|> Enum.map(&Base.url_encode64/1)
	\|> Enum.join(".")

	key = decode_key(magickey)

	verify = :public_key.verify(signed_text, :sha256, sig, key)

	if verify do
	{:ok, data}
	else
	:error
	end
	end

	def decode_key("RSA." <> magickey) do
	make_integer = fn bin ->
	list = :erlang.binary_to_list(bin)
	Enum.reduce(list, 0, fn el, acc -> acc <<< 8 \|\|\| el end)
	end

	[modulus, exponent] =
	magickey
	\|> String.split(".")
	\|> Enum.map(fn n -> Base.url_decode64!(n, padding: false) end)
	\|> Enum.map(make_integer)

	{:RSAPublicKey, modulus, exponent}
	end

	def encode_key({:RSAPublicKey, modulus, exponent}) do
	modulus_enc = :binary.encode_unsigned(modulus) \|> Base.url_encode64()
	exponent_enc = :binary.encode_unsigned(exponent) \|> Base.url_encode64()

	"RSA.#{modulus_enc}.#{exponent_enc}"
	end

	# Native generation of RSA keys is only available since OTP 20+ and in default build conditions
	# We try at compile time to generate natively an RSA key otherwise we fallback on the old way.
	try do
	_ = :public_key.generate_key({:rsa, 2048, 65537})

	def generate_rsa_pem do
	key = :public_key.generate_key({:rsa, 2048, 65537})
	entry = :public_key.pem_entry_encode(:RSAPrivateKey, key)
	pem = :public_key.pem_encode([entry]) \|> String.trim_trailing()
	{:ok, pem}
	end
	rescue
	_ ->
	def generate_rsa_pem do
	port = Port.open({:spawn, "openssl genrsa"}, [:binary])

	{:ok, pem} =
	receive do
	{^port, {:data, pem}} -> {:ok, pem}
	end

	Port.close(port)

	if Regex.match?(~r/RSA PRIVATE KEY/, pem) do
	{:ok, pem}
	else
	:error
	end
	end
	end

	def keys_from_pem(pem) do
	[private_key_code] = :public_key.pem_decode(pem)
	private_key = :public_key.pem_entry_decode(private_key_code)
	{:RSAPrivateKey, _, modulus, exponent, _, _, _, _, _, _, _} = private_key
	public_key = {:RSAPublicKey, modulus, exponent}
	{:ok, private_key, public_key}
	end

	def encode(private_key, doc) do
	type = "application/atom+xml"
	encoding = "base64url"
	alg = "RSA-SHA256"

	signed_text =
	[doc, type, encoding, alg]
	\|> Enum.map(&Base.url_encode64/1)
	\|> Enum.join(".")

	signature =
	signed_text
	\|> :public_key.sign(:sha256, private_key)
	\|> to_string
	\|> Base.url_encode64()

	doc_base64 =
	doc
	\|> Base.url_encode64()

	# Don't need proper xml building, these strings are safe to leave unescaped
	salmon = """
	<?xml version="1.0" encoding="UTF-8"?>
	<me:env xmlns:me="http://salmon-protocol.org/ns/magic-env">
	<me:data type="application/atom+xml">#{doc_base64}</me:data>
	<me:encoding>#{encoding}</me:encoding>
	<me:alg>#{alg}</me:alg>
	<me:sig>#{signature}</me:sig>
	</me:env>
	"""

	{:ok, salmon}
	end

	def remote_users(%{data: %{"to" => to} = data}) do
	to = to ++ (data["cc"] \|\| [])

	to
	\|> Enum.map(fn id -> User.get_cached_by_ap_id(id) end)
	\|> Enum.filter(fn user -> user && !user.local end)
	end

	# push an activity to remote accounts
	#
	def send_to_user(%{info: %{salmon: salmon}}, feed, poster),
	do: send_to_user(salmon, feed, poster)

	def send_to_user(url, feed, poster) when is_binary(url) do
	with {:ok, %{status: code}} when code in 200..299 <-
	poster.(
	url,
	feed,
	[
	{"Content-Type", "application/magic-envelope+xml"},
	{"referer", Pleroma.Web.Endpoint.url()}
	]
	) do
	Instances.set_reachable(url)
	Logger.debug(fn -> "Pushed to #{url}, code #{code}" end)
	:ok
	else
	- {:reachable, false} ->
	- Logger.debug(fn -> "Pushing Salmon to #{url} skipped as marked unreachable)" end)
	- :noop
	-
	e ->
	Instances.set_unreachable(url)
	Logger.debug(fn -> "Pushing Salmon to #{url} failed, #{inspect(e)}" end)
	:error
	end
	end

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

	@supported_activities [
	"Create",
	"Follow",
	"Like",
	"Announce",
	"Undo",
	"Delete"
	]

	@doc """
	Publishes an activity to remote accounts
	"""
	@spec publish(User.t(), Pleroma.Activity.t(), Pleroma.HTTP.t()) :: none
	def publish(user, activity, poster \\ &@httpoison.post/3)

	def publish(%{info: %{keys: keys}} = user, %{data: %{"type" => type}} = activity, poster)
	when type in @supported_activities do
	feed = ActivityRepresenter.to_simple_form(activity, user, true)

	if feed do
	feed =
	ActivityRepresenter.wrap_with_entry(feed)
	\|> :xmerl.export_simple(:xmerl_xml)
	\|> to_string

	{:ok, private, _} = keys_from_pem(keys)
	{:ok, feed} = encode(private, feed)

	remote_users = remote_users(activity)

	salmon_urls = Enum.map(remote_users, & &1.info.salmon)
	reachable_salmon_urls = Instances.filter_reachable(salmon_urls)

	remote_users
	\|> Enum.filter(&(&1.info.salmon in reachable_salmon_urls))
	\|> Enum.each(fn remote_user ->
	Logger.debug(fn -> "Sending Salmon to #{remote_user.ap_id}" end)
	Pleroma.Web.Federator.enqueue(:publish_single_salmon, {remote_user, feed, poster})
	end)
	end
	end

	def publish(%{id: id}, _, _), do: Logger.debug(fn -> "Keys missing for user #{id}" end)
	end
	diff --git a/lib/pleroma/web/websub/websub.ex b/lib/pleroma/web/websub/websub.ex
	index 64eba7221..abe148270 100644
	--- a/lib/pleroma/web/websub/websub.ex
	+++ b/lib/pleroma/web/websub/websub.ex
	@@ -1,299 +1,295 @@
	# Pleroma: A lightweight social networking server
	# Copyright © 2017-2019 Pleroma Authors <https://pleroma.social/>
	# SPDX-License-Identifier: AGPL-3.0-only

	defmodule Pleroma.Web.Websub do
	alias Ecto.Changeset
	alias Pleroma.Repo
	alias Pleroma.Instances
	alias Pleroma.Web.Websub.{WebsubServerSubscription, WebsubClientSubscription}
	alias Pleroma.Web.OStatus.FeedRepresenter
	alias Pleroma.Web.{XML, Endpoint, OStatus}
	alias Pleroma.Web.Router.Helpers
	require Logger

	import Ecto.Query

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

	def verify(subscription, getter \\ &@httpoison.get/3) do
	challenge = Base.encode16(:crypto.strong_rand_bytes(8))
	lease_seconds = NaiveDateTime.diff(subscription.valid_until, subscription.updated_at)
	lease_seconds = lease_seconds \|> to_string

	params = %{
	"hub.challenge": challenge,
	"hub.lease_seconds": lease_seconds,
	"hub.topic": subscription.topic,
	"hub.mode": "subscribe"
	}

	url = hd(String.split(subscription.callback, "?"))
	query = URI.parse(subscription.callback).query \|\| ""
	params = Map.merge(params, URI.decode_query(query))

	with {:ok, response} <- getter.(url, [], params: params),
	^challenge <- response.body do
	changeset = Changeset.change(subscription, %{state: "active"})
	Repo.update(changeset)
	else
	e ->
	Logger.debug("Couldn't verify subscription")
	Logger.debug(inspect(e))
	{:error, subscription}
	end
	end

	@supported_activities [
	"Create",
	"Follow",
	"Like",
	"Announce",
	"Undo",
	"Delete"
	]
	def publish(topic, user, %{data: %{"type" => type}} = activity)
	when type in @supported_activities do
	response =
	user
	\|> FeedRepresenter.to_simple_form([activity], [user])
	\|> :xmerl.export_simple(:xmerl_xml)
	\|> to_string

	query =
	from(
	sub in WebsubServerSubscription,
	where: sub.topic == ^topic and sub.state == "active",
	where: fragment("? > (NOW() at time zone 'UTC')", sub.valid_until)
	)

	subscriptions = Repo.all(query)

	callbacks = Enum.map(subscriptions, & &1.callback)
	reachable_callbacks = Instances.filter_reachable(callbacks)

	subscriptions
	\|> Enum.filter(&(&1.callback in reachable_callbacks))
	\|> Enum.each(fn sub ->
	data = %{
	xml: response,
	topic: topic,
	callback: sub.callback,
	secret: sub.secret
	}

	Pleroma.Web.Federator.enqueue(:publish_single_websub, data)
	end)
	end

	def publish(_, _, _), do: ""

	def sign(secret, doc) do
	:crypto.hmac(:sha, secret, to_string(doc)) \|> Base.encode16() \|> String.downcase()
	end

	def incoming_subscription_request(user, %{"hub.mode" => "subscribe"} = params) do
	with {:ok, topic} <- valid_topic(params, user),
	{:ok, lease_time} <- lease_time(params),
	secret <- params["hub.secret"],
	callback <- params["hub.callback"] do
	subscription = get_subscription(topic, callback)

	data = %{
	state: subscription.state \|\| "requested",
	topic: topic,
	secret: secret,
	callback: callback
	}

	change = Changeset.change(subscription, data)
	websub = Repo.insert_or_update!(change)

	change =
	Changeset.change(websub, %{valid_until: NaiveDateTime.add(websub.updated_at, lease_time)})

	websub = Repo.update!(change)

	Pleroma.Web.Federator.enqueue(:verify_websub, websub)

	{:ok, websub}
	else
	{:error, reason} ->
	Logger.debug("Couldn't create subscription")
	Logger.debug(inspect(reason))

	{:error, reason}
	end
	end

	def incoming_subscription_request(user, params) do
	Logger.info("Unhandled WebSub request for #{user.nickname}: #{inspect(params)}")

	{:error, "Invalid WebSub request"}
	end

	defp get_subscription(topic, callback) do
	Repo.get_by(WebsubServerSubscription, topic: topic, callback: callback) \|\|
	%WebsubServerSubscription{}
	end

	# Temp hack for mastodon.
	defp lease_time(%{"hub.lease_seconds" => ""}) do
	# three days
	{:ok, 60 * 60 * 24 * 3}
	end

	defp lease_time(%{"hub.lease_seconds" => lease_seconds}) do
	{:ok, String.to_integer(lease_seconds)}
	end

	defp lease_time(_) do
	# three days
	{:ok, 60 * 60 * 24 * 3}
	end

	defp valid_topic(%{"hub.topic" => topic}, user) do
	if topic == OStatus.feed_path(user) do
	{:ok, OStatus.feed_path(user)}
	else
	{:error, "Wrong topic requested, expected #{OStatus.feed_path(user)}, got #{topic}"}
	end
	end

	def subscribe(subscriber, subscribed, requester \\ &request_subscription/1) do
	topic = subscribed.info.topic
	# FIXME: Race condition, use transactions
	{:ok, subscription} =
	with subscription when not is_nil(subscription) <-
	Repo.get_by(WebsubClientSubscription, topic: topic) do
	subscribers = [subscriber.ap_id \| subscription.subscribers] \|> Enum.uniq()
	change = Ecto.Changeset.change(subscription, %{subscribers: subscribers})
	Repo.update(change)
	else
	_e ->
	subscription = %WebsubClientSubscription{
	topic: topic,
	hub: subscribed.info.hub,
	subscribers: [subscriber.ap_id],
	state: "requested",
	secret: :crypto.strong_rand_bytes(8) \|> Base.url_encode64(),
	user: subscribed
	}

	Repo.insert(subscription)
	end

	requester.(subscription)
	end

	def gather_feed_data(topic, getter \\ &@httpoison.get/1) do
	with {:ok, response} <- getter.(topic),
	status when status in 200..299 <- response.status,
	body <- response.body,
	doc <- XML.parse_document(body),
	uri when not is_nil(uri) <- XML.string_from_xpath("/feed/author[1]/uri", doc),
	hub when not is_nil(hub) <- XML.string_from_xpath(~S{/feed/link[@rel="hub"]/@href}, doc) do
	name = XML.string_from_xpath("/feed/author[1]/name", doc)
	preferredUsername = XML.string_from_xpath("/feed/author[1]/poco:preferredUsername", doc)
	displayName = XML.string_from_xpath("/feed/author[1]/poco:displayName", doc)
	avatar = OStatus.make_avatar_object(doc)
	bio = XML.string_from_xpath("/feed/author[1]/summary", doc)

	{:ok,
	%{
	"uri" => uri,
	"hub" => hub,
	"nickname" => preferredUsername \|\| name,
	"name" => displayName \|\| name,
	"host" => URI.parse(uri).host,
	"avatar" => avatar,
	"bio" => bio
	}}
	else
	e ->
	{:error, e}
	end
	end

	def request_subscription(websub, poster \\ &@httpoison.post/3, timeout \\ 10_000) do
	data = [
	"hub.mode": "subscribe",
	"hub.topic": websub.topic,
	"hub.secret": websub.secret,
	"hub.callback": Helpers.websub_url(Endpoint, :websub_subscription_confirmation, websub.id)
	]

	# This checks once a second if we are confirmed yet
	websub_checker = fn ->
	helper = fn helper ->
	:timer.sleep(1000)
	websub = Repo.get_by(WebsubClientSubscription, id: websub.id, state: "accepted")
	if websub, do: websub, else: helper.(helper)
	end

	helper.(helper)
	end

	task = Task.async(websub_checker)

	with {:ok, %{status: 202}} <-
	poster.(websub.hub, {:form, data}, "Content-type": "application/x-www-form-urlencoded"),
	{:ok, websub} <- Task.yield(task, timeout) do
	{:ok, websub}
	else
	e ->
	Task.shutdown(task)

	change = Ecto.Changeset.change(websub, %{state: "rejected"})
	{:ok, websub} = Repo.update(change)

	Logger.debug(fn -> "Couldn't confirm subscription: #{inspect(websub)}" end)
	Logger.debug(fn -> "error: #{inspect(e)}" end)

	{:error, websub}
	end
	end

	def refresh_subscriptions(delta \\ 60 * 60 * 24) do
	Logger.debug("Refreshing subscriptions")

	cut_off = NaiveDateTime.add(NaiveDateTime.utc_now(), delta)

	query = from(sub in WebsubClientSubscription, where: sub.valid_until < ^cut_off)

	subs = Repo.all(query)

	Enum.each(subs, fn sub ->
	Pleroma.Web.Federator.enqueue(:request_subscription, sub)
	end)
	end

	def publish_one(%{xml: xml, topic: topic, callback: callback, secret: secret}) do
	signature = sign(secret \|\| "", xml)
	Logger.info(fn -> "Pushing #{topic} to #{callback}" end)

	with {:ok, %{status: code}} when code in 200..299 <-
	@httpoison.post(
	callback,
	xml,
	[
	{"Content-Type", "application/atom+xml"},
	{"X-Hub-Signature", "sha1=#{signature}"},
	{"referer", Pleroma.Web.Endpoint.url()}
	]
	) do
	Instances.set_reachable(callback)
	Logger.info(fn -> "Pushed to #{callback}, code #{code}" end)
	{:ok, code}
	else
	- {:reachable, false} ->
	- Logger.debug(fn -> "Pushing to #{callback} skipped as marked unreachable)" end)
	- {:error, :noop}
	-
	- e ->
	+ {_post_result, response} ->
	Instances.set_unreachable(callback)
	- Logger.debug(fn -> "Couldn't push to #{callback}, #{inspect(e)}" end)
	- {:error, e}
	+ Logger.debug(fn -> "Couldn't push to #{callback}, #{inspect(response)}" end)
	+ {:error, response}
	end
	end
	end
	diff --git a/test/support/factory.ex b/test/support/factory.ex
	index 964b2b61c..0c21093ce 100644
	--- a/test/support/factory.ex
	+++ b/test/support/factory.ex
	@@ -1,223 +1,230 @@
	# Pleroma: A lightweight social networking server
	# Copyright © 2017-2018 Pleroma Authors <https://pleroma.social/>
	# SPDX-License-Identifier: AGPL-3.0-only

	defmodule Pleroma.Factory do
	use ExMachina.Ecto, repo: Pleroma.Repo

	def user_factory do
	user = %Pleroma.User{
	name: sequence(:name, &"Test テスト User #{&1}"),
	email: sequence(:email, &"user#{&1}@example.com"),
	nickname: sequence(:nickname, &"nick#{&1}"),
	password_hash: Comeonin.Pbkdf2.hashpwsalt("test"),
	bio: sequence(:bio, &"Tester Number #{&1}"),
	info: %{}
	}

	%{
	user
	\| ap_id: Pleroma.User.ap_id(user),
	follower_address: Pleroma.User.ap_followers(user),
	following: [Pleroma.User.ap_id(user)]
	}
	end

	def note_factory do
	text = sequence(:text, &"This is :moominmamma: note #{&1}")

	user = insert(:user)

	data = %{
	"type" => "Note",
	"content" => text,
	"id" => Pleroma.Web.ActivityPub.Utils.generate_object_id(),
	"actor" => user.ap_id,
	"to" => ["https://www.w3.org/ns/activitystreams#Public"],
	"published" => DateTime.utc_now() \|> DateTime.to_iso8601(),
	"likes" => [],
	"like_count" => 0,
	"context" => "2hu",
	"summary" => "2hu",
	"tag" => ["2hu"],
	"emoji" => %{
	"2hu" => "corndog.png"
	}
	}

	%Pleroma.Object{
	data: data
	}
	end

	def direct_note_factory do
	user2 = insert(:user)

	%Pleroma.Object{data: data} = note_factory()
	%Pleroma.Object{data: Map.merge(data, %{"to" => [user2.ap_id]})}
	end

	def article_factory do
	note_factory()
	\|> Map.put("type", "Article")
	end

	def tombstone_factory do
	data = %{
	"type" => "Tombstone",
	"id" => Pleroma.Web.ActivityPub.Utils.generate_object_id(),
	"formerType" => "Note",
	"deleted" => DateTime.utc_now() \|> DateTime.to_iso8601()
	}

	%Pleroma.Object{
	data: data
	}
	end

	def direct_note_activity_factory do
	dm = insert(:direct_note)

	data = %{
	"id" => Pleroma.Web.ActivityPub.Utils.generate_activity_id(),
	"type" => "Create",
	"actor" => dm.data["actor"],
	"to" => dm.data["to"],
	"object" => dm.data,
	"published" => DateTime.utc_now() \|> DateTime.to_iso8601(),
	"context" => dm.data["context"]
	}

	%Pleroma.Activity{
	data: data,
	actor: data["actor"],
	recipients: data["to"]
	}
	end

	def note_activity_factory do
	note = insert(:note)

	data = %{
	"id" => Pleroma.Web.ActivityPub.Utils.generate_activity_id(),
	"type" => "Create",
	"actor" => note.data["actor"],
	"to" => note.data["to"],
	"object" => note.data,
	"published" => DateTime.utc_now() \|> DateTime.to_iso8601(),
	"context" => note.data["context"]
	}

	%Pleroma.Activity{
	data: data,
	actor: data["actor"],
	recipients: data["to"]
	}
	end

	def article_activity_factory do
	article = insert(:article)

	data = %{
	"id" => Pleroma.Web.ActivityPub.Utils.generate_activity_id(),
	"type" => "Create",
	"actor" => article.data["actor"],
	"to" => article.data["to"],
	"object" => article.data,
	"published" => DateTime.utc_now() \|> DateTime.to_iso8601(),
	"context" => article.data["context"]
	}

	%Pleroma.Activity{
	data: data,
	actor: data["actor"],
	recipients: data["to"]
	}
	end

	def announce_activity_factory do
	note_activity = insert(:note_activity)
	user = insert(:user)

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

	%Pleroma.Activity{
	data: data,
	actor: user.ap_id,
	recipients: data["to"]
	}
	end

	def like_activity_factory do
	note_activity = insert(:note_activity)
	user = insert(:user)

	data = %{
	"id" => Pleroma.Web.ActivityPub.Utils.generate_activity_id(),
	"actor" => user.ap_id,
	"type" => "Like",
	"object" => note_activity.data["object"]["id"],
	"published_at" => DateTime.utc_now() \|> DateTime.to_iso8601()
	}

	%Pleroma.Activity{
	data: data
	}
	end

	def follow_activity_factory do
	follower = insert(:user)
	followed = insert(:user)

	data = %{
	"id" => Pleroma.Web.ActivityPub.Utils.generate_activity_id(),
	"actor" => follower.ap_id,
	"type" => "Follow",
	"object" => followed.ap_id,
	"published_at" => DateTime.utc_now() \|> DateTime.to_iso8601()
	}

	%Pleroma.Activity{
	data: data,
	actor: follower.ap_id
	}
	end

	def websub_subscription_factory do
	%Pleroma.Web.Websub.WebsubServerSubscription{
	topic: "http://example.org",
	callback: "http://example.org/callback",
	secret: "here's a secret",
	valid_until: NaiveDateTime.add(NaiveDateTime.utc_now(), 100),
	state: "requested"
	}
	end

	def websub_client_subscription_factory do
	%Pleroma.Web.Websub.WebsubClientSubscription{
	topic: "http://example.org",
	secret: "here's a secret",
	valid_until: nil,
	state: "requested",
	subscribers: []
	}
	end

	def oauth_app_factory do
	%Pleroma.Web.OAuth.App{
	client_name: "Some client",
	redirect_uris: "https://example.com/callback",
	scopes: "read",
	website: "https://example.com",
	client_id: "aaabbb==",
	client_secret: "aaa;/&bbb"
	}
	end
	+
	+ def instance_factory do
	+ %Pleroma.Instances.Instance{
	+ host: "domain.com",
	+ unreachable_since: nil
	+ }
	+ end
	end
	diff --git a/test/support/http_request_mock.ex b/test/support/http_request_mock.ex
	index e4279e14d..3d6efd52c 100644
	--- a/test/support/http_request_mock.ex
	+++ b/test/support/http_request_mock.ex
	@@ -1,679 +1,707 @@
	# Pleroma: A lightweight social networking server
	# Copyright © 2017-2018 Pleroma Authors <https://pleroma.social/>
	# SPDX-License-Identifier: AGPL-3.0-only

	defmodule HttpRequestMock do
	require Logger

	def request(
	%Tesla.Env{
	url: url,
	method: method,
	headers: headers,
	query: query,
	body: body
	} = _env
	) do
	with {:ok, res} <- apply(__MODULE__, method, [url, query, body, headers]) do
	res
	else
	{_, _r} = error ->
	# Logger.warn(r)
	error
	end
	end

	# GET Requests
	#
	def get(url, query \\ [], body \\ [], headers \\ [])

	def get("https://osada.macgirvin.com/channel/mike", _, _, _) do
	{:ok,
	%Tesla.Env{
	status: 200,
	body:
	File.read!("test/fixtures/httpoison_mock/https___osada.macgirvin.com_channel_mike.json")
	}}
	end

	def get(
	"https://osada.macgirvin.com/.well-known/webfinger?resource=acct:mike@osada.macgirvin.com",
	_,
	_,
	Accept: "application/xrd+xml,application/jrd+json"
	) do
	{:ok,
	%Tesla.Env{
	status: 200,
	body: File.read!("test/fixtures/httpoison_mock/mike@osada.macgirvin.com.json")
	}}
	end

	def get(
	"https://social.heldscal.la/.well-known/webfinger?resource=https://social.heldscal.la/user/29191",
	_,
	_,
	Accept: "application/xrd+xml,application/jrd+json"
	) do
	{:ok,
	%Tesla.Env{
	status: 200,
	body: File.read!("test/fixtures/httpoison_mock/https___social.heldscal.la_user_29191.xml")
	}}
	end

	def get("https://pawoo.net/users/pekorino.atom", _, _, _) do
	{:ok,
	%Tesla.Env{
	status: 200,
	body: File.read!("test/fixtures/httpoison_mock/https___pawoo.net_users_pekorino.atom")
	}}
	end

	def get(
	"https://pawoo.net/.well-known/webfinger?resource=acct:https://pawoo.net/users/pekorino",
	_,
	_,
	Accept: "application/xrd+xml,application/jrd+json"
	) do
	{:ok,
	%Tesla.Env{
	status: 200,
	body: File.read!("test/fixtures/httpoison_mock/https___pawoo.net_users_pekorino.xml")
	}}
	end

	def get(
	"https://social.stopwatchingus-heidelberg.de/api/statuses/user_timeline/18330.atom",
	_,
	_,
	_
	) do
	{:ok,
	%Tesla.Env{
	status: 200,
	body: File.read!("test/fixtures/httpoison_mock/atarifrosch_feed.xml")
	}}
	end

	def get(
	"https://social.stopwatchingus-heidelberg.de/.well-known/webfinger?resource=acct:https://social.stopwatchingus-heidelberg.de/user/18330",
	_,
	_,
	Accept: "application/xrd+xml,application/jrd+json"
	) do
	{:ok,
	%Tesla.Env{
	status: 200,
	body: File.read!("test/fixtures/httpoison_mock/atarifrosch_webfinger.xml")
	}}
	end

	def get("https://mamot.fr/users/Skruyb.atom", _, _, _) do
	{:ok,
	%Tesla.Env{
	status: 200,
	body: File.read!("test/fixtures/httpoison_mock/https___mamot.fr_users_Skruyb.atom")
	}}
	end

	def get(
	"https://mamot.fr/.well-known/webfinger?resource=acct:https://mamot.fr/users/Skruyb",
	_,
	_,
	Accept: "application/xrd+xml,application/jrd+json"
	) do
	{:ok,
	%Tesla.Env{
	status: 200,
	body: File.read!("test/fixtures/httpoison_mock/skruyb@mamot.fr.atom")
	}}
	end

	def get(
	"https://social.heldscal.la/.well-known/webfinger?resource=nonexistant@social.heldscal.la",
	_,
	_,
	Accept: "application/xrd+xml,application/jrd+json"
	) do
	{:ok,
	%Tesla.Env{
	status: 200,
	body: File.read!("test/fixtures/httpoison_mock/nonexistant@social.heldscal.la.xml")
	}}
	end

	def get("https://squeet.me/xrd/?uri=lain@squeet.me", _, _,
	Accept: "application/xrd+xml,application/jrd+json"
	) do
	{:ok,
	%Tesla.Env{
	status: 200,
	body: File.read!("test/fixtures/httpoison_mock/lain_squeet.me_webfinger.xml")
	}}
	end

	def get("https://mst3k.interlinked.me/users/luciferMysticus", _, _,
	Accept: "application/activity+json"
	) do
	{:ok,
	%Tesla.Env{
	status: 200,
	body: File.read!("test/fixtures/httpoison_mock/lucifermysticus.json")
	}}
	end

	def get("https://prismo.news/@mxb", _, _, _) do
	{:ok,
	%Tesla.Env{
	status: 200,
	body: File.read!("test/fixtures/httpoison_mock/https___prismo.news__mxb.json")
	}}
	end

	def get("https://hubzilla.example.org/channel/kaniini", _, _,
	Accept: "application/activity+json"
	) do
	{:ok,
	%Tesla.Env{
	status: 200,
	body: File.read!("test/fixtures/httpoison_mock/kaniini@hubzilla.example.org.json")
	}}
	end

	def get("https://niu.moe/users/rye", _, _, Accept: "application/activity+json") do
	{:ok,
	%Tesla.Env{
	status: 200,
	body: File.read!("test/fixtures/httpoison_mock/rye.json")
	}}
	end

	def get("http://mastodon.example.org/users/admin/statuses/100787282858396771", _, _, _) do
	{:ok,
	%Tesla.Env{
	status: 200,
	body:
	File.read!(
	"test/fixtures/httpoison_mock/http___mastodon.example.org_users_admin_status_1234.json"
	)
	}}
	end

	def get("https://puckipedia.com/", _, _, Accept: "application/activity+json") do
	{:ok,
	%Tesla.Env{
	status: 200,
	body: File.read!("test/fixtures/httpoison_mock/puckipedia.com.json")
	}}
	end

	def get("https://peertube.moe/accounts/7even", _, _, _) do
	{:ok,
	%Tesla.Env{
	status: 200,
	body: File.read!("test/fixtures/httpoison_mock/7even.json")
	}}
	end

	def get("https://peertube.moe/videos/watch/df5f464b-be8d-46fb-ad81-2d4c2d1630e3", _, _, _) do
	{:ok,
	%Tesla.Env{
	status: 200,
	body: File.read!("test/fixtures/httpoison_mock/peertube.moe-vid.json")
	}}
	end

	def get("https://baptiste.gelez.xyz/@/BaptisteGelez", _, _, _) do
	{:ok,
	%Tesla.Env{
	status: 200,
	body: File.read!("test/fixtures/httpoison_mock/baptiste.gelex.xyz-user.json")
	}}
	end

	def get("https://baptiste.gelez.xyz/~/PlumeDevelopment/this-month-in-plume-june-2018/", _, _, _) do
	{:ok,
	%Tesla.Env{
	status: 200,
	body: File.read!("test/fixtures/httpoison_mock/baptiste.gelex.xyz-article.json")
	}}
	end

	def get("http://mastodon.example.org/users/admin", _, _, Accept: "application/activity+json") do
	{:ok,
	%Tesla.Env{
	status: 200,
	body: File.read!("test/fixtures/httpoison_mock/admin@mastdon.example.org.json")
	}}
	end

	def get("http://mastodon.example.org/@admin/99541947525187367", _, _,
	Accept: "application/activity+json"
	) do
	{:ok,
	%Tesla.Env{
	status: 200,
	body: File.read!("test/fixtures/mastodon-note-object.json")
	}}
	end

	def get("https://shitposter.club/notice/7369654", _, _, _) do
	{:ok,
	%Tesla.Env{
	status: 200,
	body: File.read!("test/fixtures/httpoison_mock/7369654.html")
	}}
	end

	def get("https://mstdn.io/users/mayuutann", _, _, Accept: "application/activity+json") do
	{:ok,
	%Tesla.Env{
	status: 200,
	body: File.read!("test/fixtures/httpoison_mock/mayumayu.json")
	}}
	end

	def get("https://mstdn.io/users/mayuutann/statuses/99568293732299394", _, _,
	Accept: "application/activity+json"
	) do
	{:ok,
	%Tesla.Env{
	status: 200,
	body: File.read!("test/fixtures/httpoison_mock/mayumayupost.json")
	}}
	end

	def get("https://pleroma.soykaf.com/users/lain/feed.atom", _, _, _) do
	{:ok,
	%Tesla.Env{
	status: 200,
	body:
	File.read!(
	"test/fixtures/httpoison_mock/https___pleroma.soykaf.com_users_lain_feed.atom.xml"
	)
	}}
	end

	def get(url, _, _, Accept: "application/xrd+xml,application/jrd+json")
	when url in [
	"https://pleroma.soykaf.com/.well-known/webfinger?resource=acct:https://pleroma.soykaf.com/users/lain",
	"https://pleroma.soykaf.com/.well-known/webfinger?resource=https://pleroma.soykaf.com/users/lain"
	] do
	{:ok,
	%Tesla.Env{
	status: 200,
	body: File.read!("test/fixtures/httpoison_mock/https___pleroma.soykaf.com_users_lain.xml")
	}}
	end

	def get("https://shitposter.club/api/statuses/user_timeline/1.atom", _, _, _) do
	{:ok,
	%Tesla.Env{
	status: 200,
	body:
	File.read!(
	"test/fixtures/httpoison_mock/https___shitposter.club_api_statuses_user_timeline_1.atom.xml"
	)
	}}
	end

	def get(
	"https://shitposter.club/.well-known/webfinger?resource=https://shitposter.club/user/1",
	_,
	_,
	Accept: "application/xrd+xml,application/jrd+json"
	) do
	{:ok,
	%Tesla.Env{
	status: 200,
	body: File.read!("test/fixtures/httpoison_mock/https___shitposter.club_user_1.xml")
	}}
	end

	def get("https://shitposter.club/notice/2827873", _, _, _) do
	{:ok,
	%Tesla.Env{
	status: 200,
	body:
	File.read!("test/fixtures/httpoison_mock/https___shitposter.club_notice_2827873.html")
	}}
	end

	def get("https://shitposter.club/api/statuses/show/2827873.atom", _, _, _) do
	{:ok,
	%Tesla.Env{
	status: 200,
	body:
	File.read!(
	"test/fixtures/httpoison_mock/https___shitposter.club_api_statuses_show_2827873.atom.xml"
	)
	}}
	end

	def get("https://testing.pleroma.lol/objects/b319022a-4946-44c5-9de9-34801f95507b", _, _, _) do
	{:ok, %Tesla.Env{status: 200}}
	end

	def get("https://shitposter.club/api/statuses/user_timeline/5381.atom", _, _, _) do
	{:ok,
	%Tesla.Env{
	status: 200,
	body: File.read!("test/fixtures/httpoison_mock/spc_5381.atom")
	}}
	end

	def get(
	"https://shitposter.club/.well-known/webfinger?resource=https://shitposter.club/user/5381",
	_,
	_,
	Accept: "application/xrd+xml,application/jrd+json"
	) do
	{:ok,
	%Tesla.Env{
	status: 200,
	body: File.read!("test/fixtures/httpoison_mock/spc_5381_xrd.xml")
	}}
	end

	def get("http://shitposter.club/.well-known/host-meta", _, _, _) do
	{:ok,
	%Tesla.Env{
	status: 200,
	body: File.read!("test/fixtures/httpoison_mock/shitposter.club_host_meta")
	}}
	end

	def get("https://shitposter.club/api/statuses/show/7369654.atom", _, _, _) do
	{:ok,
	%Tesla.Env{
	status: 200,
	body: File.read!("test/fixtures/httpoison_mock/7369654.atom")
	}}
	end

	def get("https://shitposter.club/notice/4027863", _, _, _) do
	{:ok,
	%Tesla.Env{
	status: 200,
	body: File.read!("test/fixtures/httpoison_mock/7369654.html")
	}}
	end

	def get("https://social.sakamoto.gq/users/eal/feed.atom", _, _, _) do
	{:ok,
	%Tesla.Env{
	status: 200,
	body: File.read!("test/fixtures/httpoison_mock/sakamoto_eal_feed.atom")
	}}
	end

	def get("http://social.sakamoto.gq/.well-known/host-meta", _, _, _) do
	{:ok,
	%Tesla.Env{
	status: 200,
	body: File.read!("test/fixtures/httpoison_mock/social.sakamoto.gq_host_meta")
	}}
	end

	def get(
	"https://social.sakamoto.gq/.well-known/webfinger?resource=https://social.sakamoto.gq/users/eal",
	_,
	_,
	Accept: "application/xrd+xml,application/jrd+json"
	) do
	{:ok,
	%Tesla.Env{
	status: 200,
	body: File.read!("test/fixtures/httpoison_mock/eal_sakamoto.xml")
	}}
	end

	def get("https://social.sakamoto.gq/objects/0ccc1a2c-66b0-4305-b23a-7f7f2b040056", _, _,
	Accept: "application/atom+xml"
	) do
	{:ok, %Tesla.Env{status: 200, body: File.read!("test/fixtures/httpoison_mock/sakamoto.atom")}}
	end

	def get("http://mastodon.social/.well-known/host-meta", _, _, _) do
	{:ok,
	%Tesla.Env{
	status: 200,
	body: File.read!("test/fixtures/httpoison_mock/mastodon.social_host_meta")
	}}
	end

	def get(
	"https://mastodon.social/.well-known/webfinger?resource=https://mastodon.social/users/lambadalambda",
	_,
	_,
	Accept: "application/xrd+xml,application/jrd+json"
	) do
	{:ok,
	%Tesla.Env{
	status: 200,
	body:
	File.read!(
	"test/fixtures/httpoison_mock/https___mastodon.social_users_lambadalambda.xml"
	)
	}}
	end

	def get("http://gs.example.org/.well-known/host-meta", _, _, _) do
	{:ok,
	%Tesla.Env{
	status: 200,
	body: File.read!("test/fixtures/httpoison_mock/gs.example.org_host_meta")
	}}
	end

	def get(
	"http://gs.example.org/.well-known/webfinger?resource=http://gs.example.org:4040/index.php/user/1",
	_,
	_,
	Accept: "application/xrd+xml,application/jrd+json"
	) do
	{:ok,
	%Tesla.Env{
	status: 200,
	body:
	File.read!(
	"test/fixtures/httpoison_mock/http___gs.example.org_4040_index.php_user_1.xml"
	)
	}}
	end

	def get("http://gs.example.org/index.php/api/statuses/user_timeline/1.atom", _, _, _) do
	{:ok,
	%Tesla.Env{
	status: 200,
	body:
	File.read!(
	"test/fixtures/httpoison_mock/http__gs.example.org_index.php_api_statuses_user_timeline_1.atom.xml"
	)
	}}
	end

	def get("https://social.heldscal.la/api/statuses/user_timeline/29191.atom", _, _, _) do
	{:ok,
	%Tesla.Env{
	status: 200,
	body:
	File.read!(
	"test/fixtures/httpoison_mock/https___social.heldscal.la_api_statuses_user_timeline_29191.atom.xml"
	)
	}}
	end

	def get("http://squeet.me/.well-known/host-meta", _, _, _) do
	{:ok,
	%Tesla.Env{status: 200, body: File.read!("test/fixtures/httpoison_mock/squeet.me_host_meta")}}
	end

	def get("https://squeet.me/xrd?uri=lain@squeet.me", _, _,
	Accept: "application/xrd+xml,application/jrd+json"
	) do
	{:ok,
	%Tesla.Env{
	status: 200,
	body: File.read!("test/fixtures/httpoison_mock/lain_squeet.me_webfinger.xml")
	}}
	end

	def get(
	"https://social.heldscal.la/.well-known/webfinger?resource=shp@social.heldscal.la",
	_,
	_,
	Accept: "application/xrd+xml,application/jrd+json"
	) do
	{:ok,
	%Tesla.Env{
	status: 200,
	body: File.read!("test/fixtures/httpoison_mock/shp@social.heldscal.la.xml")
	}}
	end

	def get("http://framatube.org/.well-known/host-meta", _, _, _) do
	{:ok,
	%Tesla.Env{
	status: 200,
	body: File.read!("test/fixtures/httpoison_mock/framatube.org_host_meta")
	}}
	end

	def get("http://framatube.org/main/xrd?uri=framasoft@framatube.org", _, _,
	Accept: "application/xrd+xml,application/jrd+json"
	) do
	{:ok,
	%Tesla.Env{
	status: 200,
	headers: [{"content-type", "application/json"}],
	body: File.read!("test/fixtures/httpoison_mock/framasoft@framatube.org.json")
	}}
	end

	def get("http://gnusocial.de/.well-known/host-meta", _, _, _) do
	{:ok,
	%Tesla.Env{
	status: 200,
	body: File.read!("test/fixtures/httpoison_mock/gnusocial.de_host_meta")
	}}
	end

	def get("http://gnusocial.de/main/xrd?uri=winterdienst@gnusocial.de", _, _,
	Accept: "application/xrd+xml,application/jrd+json"
	) do
	{:ok,
	%Tesla.Env{
	status: 200,
	body: File.read!("test/fixtures/httpoison_mock/winterdienst_webfinger.json")
	}}
	end

	def get("http://status.alpicola.com/.well-known/host-meta", _, _, _) do
	{:ok,
	%Tesla.Env{
	status: 200,
	body: File.read!("test/fixtures/httpoison_mock/status.alpicola.com_host_meta")
	}}
	end

	def get("http://macgirvin.com/.well-known/host-meta", _, _, _) do
	{:ok,
	%Tesla.Env{
	status: 200,
	body: File.read!("test/fixtures/httpoison_mock/macgirvin.com_host_meta")
	}}
	end

	def get("http://gerzilla.de/.well-known/host-meta", _, _, _) do
	{:ok,
	%Tesla.Env{
	status: 200,
	body: File.read!("test/fixtures/httpoison_mock/gerzilla.de_host_meta")
	}}
	end

	def get("https://gerzilla.de/xrd/?uri=kaniini@gerzilla.de", _, _,
	Accept: "application/xrd+xml,application/jrd+json"
	) do
	{:ok,
	%Tesla.Env{
	status: 200,
	headers: [{"content-type", "application/json"}],
	body: File.read!("test/fixtures/httpoison_mock/kaniini@gerzilla.de.json")
	}}
	end

	def get("https://social.heldscal.la/api/statuses/user_timeline/23211.atom", _, _, _) do
	{:ok,
	%Tesla.Env{
	status: 200,
	body:
	File.read!(
	"test/fixtures/httpoison_mock/https___social.heldscal.la_api_statuses_user_timeline_23211.atom.xml"
	)
	}}
	end

	def get(
	"https://social.heldscal.la/.well-known/webfinger?resource=https://social.heldscal.la/user/23211",
	_,
	_,
	_
	) do
	{:ok,
	%Tesla.Env{
	status: 200,
	body: File.read!("test/fixtures/httpoison_mock/https___social.heldscal.la_user_23211.xml")
	}}
	end

	def get("http://social.heldscal.la/.well-known/host-meta", _, _, _) do
	{:ok,
	%Tesla.Env{
	status: 200,
	body: File.read!("test/fixtures/httpoison_mock/social.heldscal.la_host_meta")
	}}
	end

	def get("https://social.heldscal.la/.well-known/host-meta", _, _, _) do
	{:ok,
	%Tesla.Env{
	status: 200,
	body: File.read!("test/fixtures/httpoison_mock/social.heldscal.la_host_meta")
	}}
	end

	def get("https://mastodon.social/users/lambadalambda.atom", _, _, _) do
	{:ok, %Tesla.Env{status: 200, body: File.read!("test/fixtures/lambadalambda.atom")}}
	end

	def get("https://social.heldscal.la/user/23211", _, _, Accept: "application/activity+json") do
	{:ok, Tesla.Mock.json(%{"id" => "https://social.heldscal.la/user/23211"}, status: 200)}
	end

	+ def get("http://404.site" <> _, _, _, _) do
	+ {:ok,
	+ %Tesla.Env{
	+ status: 404,
	+ body: ""
	+ }}
	+ end
	+
	def get(url, query, body, headers) do
	{:error,
	"Not implemented the mock response for get #{inspect(url)}, #{query}, #{inspect(body)}, #{
	inspect(headers)
	}"}
	end

	# POST Requests
	#

	def post(url, query \\ [], body \\ [], headers \\ [])

	def post("http://example.org/needs_refresh", _, _, _) do
	{:ok,
	%Tesla.Env{
	status: 200,
	body: ""
	}}
	end

	+ def post("http://200.site" <> _, _, _, _) do
	+ {:ok,
	+ %Tesla.Env{
	+ status: 200,
	+ body: ""
	+ }}
	+ end
	+
	+ def post("http://connrefused.site" <> _, _, _, _) do
	+ {:error, :connrefused}
	+ end
	+
	+ def post("http://404.site" <> _, _, _, _) do
	+ {:ok,
	+ %Tesla.Env{
	+ status: 404,
	+ body: ""
	+ }}
	+ end
	+
	def post(url, _query, _body, _headers) do
	{:error, "Not implemented the mock response for post #{inspect(url)}"}
	end
	end
	diff --git a/test/web/activity_pub/activity_pub_controller_test.exs b/test/web/activity_pub/activity_pub_controller_test.exs
	index 1b704330f..eca5c134d 100644
	--- a/test/web/activity_pub/activity_pub_controller_test.exs
	+++ b/test/web/activity_pub/activity_pub_controller_test.exs
	@@ -1,487 +1,487 @@
	# Pleroma: A lightweight social networking server
	# Copyright © 2017-2018 Pleroma Authors <https://pleroma.social/>
	# SPDX-License-Identifier: AGPL-3.0-only

	defmodule Pleroma.Web.ActivityPub.ActivityPubControllerTest do
	use Pleroma.Web.ConnCase
	import Pleroma.Factory
	alias Pleroma.Web.ActivityPub.{UserView, ObjectView}
	alias Pleroma.{Object, Repo, Activity, User, Instances}

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

	describe "/relay" do
	test "with the relay active, it returns the relay user", %{conn: conn} do
	res =
	conn
	\|> get(activity_pub_path(conn, :relay))
	\|> json_response(200)

	assert res["id"] =~ "/relay"
	end

	test "with the relay disabled, it returns 404", %{conn: conn} do
	Pleroma.Config.put([:instance, :allow_relay], false)

	conn
	\|> get(activity_pub_path(conn, :relay))
	\|> json_response(404)
	\|> assert

	Pleroma.Config.put([:instance, :allow_relay], true)
	end
	end

	describe "/users/:nickname" do
	test "it returns a json representation of the user", %{conn: conn} do
	user = insert(:user)

	conn =
	conn
	\|> put_req_header("accept", "application/activity+json")
	\|> get("/users/#{user.nickname}")

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

	assert json_response(conn, 200) == UserView.render("user.json", %{user: user})
	end
	end

	describe "/object/:uuid" do
	test "it returns a json representation of the object", %{conn: conn} do
	note = insert(:note)
	uuid = String.split(note.data["id"], "/") \|> List.last()

	conn =
	conn
	\|> put_req_header("accept", "application/activity+json")
	\|> get("/objects/#{uuid}")

	assert json_response(conn, 200) == ObjectView.render("object.json", %{object: note})
	end

	test "it returns 404 for non-public messages", %{conn: conn} do
	note = insert(:direct_note)
	uuid = String.split(note.data["id"], "/") \|> List.last()

	conn =
	conn
	\|> put_req_header("accept", "application/activity+json")
	\|> get("/objects/#{uuid}")

	assert json_response(conn, 404)
	end

	test "it returns 404 for tombstone objects", %{conn: conn} do
	tombstone = insert(:tombstone)
	uuid = String.split(tombstone.data["id"], "/") \|> List.last()

	conn =
	conn
	\|> put_req_header("accept", "application/activity+json")
	\|> get("/objects/#{uuid}")

	assert json_response(conn, 404)
	end
	end

	describe "/object/:uuid/likes" do
	test "it returns the like activities in a collection", %{conn: conn} do
	like = insert(:like_activity)
	uuid = String.split(like.data["object"], "/") \|> List.last()

	result =
	conn
	\|> put_req_header("accept", "application/activity+json")
	\|> get("/objects/#{uuid}/likes")
	\|> json_response(200)

	assert List.first(result["first"]["orderedItems"])["id"] == like.data["id"]
	end
	end

	describe "/activities/:uuid" do
	test "it returns a json representation of the activity", %{conn: conn} do
	activity = insert(:note_activity)
	uuid = String.split(activity.data["id"], "/") \|> List.last()

	conn =
	conn
	\|> put_req_header("accept", "application/activity+json")
	\|> get("/activities/#{uuid}")

	assert json_response(conn, 200) == ObjectView.render("object.json", %{object: activity})
	end

	test "it returns 404 for non-public activities", %{conn: conn} do
	activity = insert(:direct_note_activity)
	uuid = String.split(activity.data["id"], "/") \|> List.last()

	conn =
	conn
	\|> put_req_header("accept", "application/activity+json")
	\|> get("/activities/#{uuid}")

	assert json_response(conn, 404)
	end
	end

	describe "/inbox" do
	test "it inserts an incoming activity into the database", %{conn: conn} do
	data = File.read!("test/fixtures/mastodon-post-activity.json") \|> Poison.decode!()

	conn =
	conn
	\|> assign(:valid_signature, true)
	\|> put_req_header("content-type", "application/activity+json")
	\|> post("/inbox", data)

	assert "ok" == json_response(conn, 200)
	:timer.sleep(500)
	assert Activity.get_by_ap_id(data["id"])
	end

	test "it clears `unreachable` federation status of the sender", %{conn: conn} do
	sender_url = "https://pleroma.soykaf.com"
	- Instances.set_unreachable(sender_url, Instances.reachability_datetime_threshold())
	+ Instances.set_consistently_unreachable(sender_url)
	refute Instances.reachable?(sender_url)

	data = File.read!("test/fixtures/mastodon-post-activity.json") \|> Poison.decode!()

	conn =
	conn
	\|> assign(:valid_signature, true)
	\|> put_req_header("content-type", "application/activity+json")
	\|> put_req_header("referer", sender_url)
	\|> post("/inbox", data)

	assert "ok" == json_response(conn, 200)
	assert Instances.reachable?(sender_url)
	end
	end

	describe "/users/:nickname/inbox" do
	test "it inserts an incoming activity into the database", %{conn: conn} do
	user = insert(:user)

	data =
	File.read!("test/fixtures/mastodon-post-activity.json")
	\|> Poison.decode!()
	\|> Map.put("bcc", [user.ap_id])

	conn =
	conn
	\|> assign(:valid_signature, true)
	\|> put_req_header("content-type", "application/activity+json")
	\|> post("/users/#{user.nickname}/inbox", data)

	assert "ok" == json_response(conn, 200)
	:timer.sleep(500)
	assert Activity.get_by_ap_id(data["id"])
	end

	test "it rejects reads from other users", %{conn: conn} do
	user = insert(:user)
	otheruser = insert(:user)

	conn =
	conn
	\|> assign(:user, otheruser)
	\|> put_req_header("accept", "application/activity+json")
	\|> get("/users/#{user.nickname}/inbox")

	assert json_response(conn, 403)
	end

	test "it returns a note activity in a collection", %{conn: conn} do
	note_activity = insert(:direct_note_activity)
	user = User.get_cached_by_ap_id(hd(note_activity.data["to"]))

	conn =
	conn
	\|> assign(:user, user)
	\|> put_req_header("accept", "application/activity+json")
	\|> get("/users/#{user.nickname}/inbox")

	assert response(conn, 200) =~ note_activity.data["object"]["content"]
	end

	test "it clears `unreachable` federation status of the sender", %{conn: conn} do
	sender_host = "pleroma.soykaf.com"
	- Instances.set_unreachable(sender_host, Instances.reachability_datetime_threshold())
	+ Instances.set_consistently_unreachable(sender_host)
	refute Instances.reachable?(sender_host)

	user = insert(:user)

	data =
	File.read!("test/fixtures/mastodon-post-activity.json")
	\|> Poison.decode!()
	\|> Map.put("bcc", [user.ap_id])

	conn =
	conn
	\|> assign(:valid_signature, true)
	\|> put_req_header("content-type", "application/activity+json")
	\|> put_req_header("referer", "https://#{sender_host}")
	\|> post("/users/#{user.nickname}/inbox", data)

	assert "ok" == json_response(conn, 200)
	assert Instances.reachable?(sender_host)
	end
	end

	describe "/users/:nickname/outbox" do
	test "it returns a note activity in a collection", %{conn: conn} do
	note_activity = insert(:note_activity)
	user = User.get_cached_by_ap_id(note_activity.data["actor"])

	conn =
	conn
	\|> put_req_header("accept", "application/activity+json")
	\|> get("/users/#{user.nickname}/outbox")

	assert response(conn, 200) =~ note_activity.data["object"]["content"]
	end

	test "it returns an announce activity in a collection", %{conn: conn} do
	announce_activity = insert(:announce_activity)
	user = User.get_cached_by_ap_id(announce_activity.data["actor"])

	conn =
	conn
	\|> put_req_header("accept", "application/activity+json")
	\|> get("/users/#{user.nickname}/outbox")

	assert response(conn, 200) =~ announce_activity.data["object"]
	end

	test "it rejects posts from other users", %{conn: conn} do
	data = File.read!("test/fixtures/activitypub-client-post-activity.json") \|> Poison.decode!()
	user = insert(:user)
	otheruser = insert(:user)

	conn =
	conn
	\|> assign(:user, otheruser)
	\|> put_req_header("content-type", "application/activity+json")
	\|> post("/users/#{user.nickname}/outbox", data)

	assert json_response(conn, 403)
	end

	test "it inserts an incoming create activity into the database", %{conn: conn} do
	data = File.read!("test/fixtures/activitypub-client-post-activity.json") \|> Poison.decode!()
	user = insert(:user)

	conn =
	conn
	\|> assign(:user, user)
	\|> put_req_header("content-type", "application/activity+json")
	\|> post("/users/#{user.nickname}/outbox", data)

	result = json_response(conn, 201)
	assert Activity.get_by_ap_id(result["id"])
	end

	test "it rejects an incoming activity with bogus type", %{conn: conn} do
	data = File.read!("test/fixtures/activitypub-client-post-activity.json") \|> Poison.decode!()
	user = insert(:user)

	data =
	data
	\|> Map.put("type", "BadType")

	conn =
	conn
	\|> assign(:user, user)
	\|> put_req_header("content-type", "application/activity+json")
	\|> post("/users/#{user.nickname}/outbox", data)

	assert json_response(conn, 400)
	end

	test "it erects a tombstone when receiving a delete activity", %{conn: conn} do
	note_activity = insert(:note_activity)
	user = User.get_cached_by_ap_id(note_activity.data["actor"])

	data = %{
	type: "Delete",
	object: %{
	id: note_activity.data["object"]["id"]
	}
	}

	conn =
	conn
	\|> assign(:user, user)
	\|> put_req_header("content-type", "application/activity+json")
	\|> post("/users/#{user.nickname}/outbox", data)

	result = json_response(conn, 201)
	assert Activity.get_by_ap_id(result["id"])

	object = Object.get_by_ap_id(note_activity.data["object"]["id"])
	assert object
	assert object.data["type"] == "Tombstone"
	end

	test "it rejects delete activity of object from other actor", %{conn: conn} do
	note_activity = insert(:note_activity)
	user = insert(:user)

	data = %{
	type: "Delete",
	object: %{
	id: note_activity.data["object"]["id"]
	}
	}

	conn =
	conn
	\|> assign(:user, user)
	\|> put_req_header("content-type", "application/activity+json")
	\|> post("/users/#{user.nickname}/outbox", data)

	assert json_response(conn, 400)
	end

	test "it increases like count when receiving a like action", %{conn: conn} do
	note_activity = insert(:note_activity)
	user = User.get_cached_by_ap_id(note_activity.data["actor"])

	data = %{
	type: "Like",
	object: %{
	id: note_activity.data["object"]["id"]
	}
	}

	conn =
	conn
	\|> assign(:user, user)
	\|> put_req_header("content-type", "application/activity+json")
	\|> post("/users/#{user.nickname}/outbox", data)

	result = json_response(conn, 201)
	assert Activity.get_by_ap_id(result["id"])

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

	describe "/users/:nickname/followers" do
	test "it returns the followers in a collection", %{conn: conn} do
	user = insert(:user)
	user_two = insert(:user)
	User.follow(user, user_two)

	result =
	conn
	\|> get("/users/#{user_two.nickname}/followers")
	\|> json_response(200)

	assert result["first"]["orderedItems"] == [user.ap_id]
	end

	test "it returns returns empty if the user has 'hide_network' set", %{conn: conn} do
	user = insert(:user)
	user_two = insert(:user, %{info: %{hide_network: true}})
	User.follow(user, user_two)

	result =
	conn
	\|> get("/users/#{user_two.nickname}/followers")
	\|> json_response(200)

	assert result["first"]["orderedItems"] == []
	assert result["totalItems"] == 1
	end

	test "it works for more than 10 users", %{conn: conn} do
	user = insert(:user)

	Enum.each(1..15, fn _ ->
	other_user = insert(:user)
	User.follow(other_user, user)
	end)

	result =
	conn
	\|> get("/users/#{user.nickname}/followers")
	\|> json_response(200)

	assert length(result["first"]["orderedItems"]) == 10
	assert result["first"]["totalItems"] == 15
	assert result["totalItems"] == 15

	result =
	conn
	\|> get("/users/#{user.nickname}/followers?page=2")
	\|> json_response(200)

	assert length(result["orderedItems"]) == 5
	assert result["totalItems"] == 15
	end
	end

	describe "/users/:nickname/following" do
	test "it returns the following in a collection", %{conn: conn} do
	user = insert(:user)
	user_two = insert(:user)
	User.follow(user, user_two)

	result =
	conn
	\|> get("/users/#{user.nickname}/following")
	\|> json_response(200)

	assert result["first"]["orderedItems"] == [user_two.ap_id]
	end

	test "it returns returns empty if the user has 'hide_network' set", %{conn: conn} do
	user = insert(:user, %{info: %{hide_network: true}})
	user_two = insert(:user)
	User.follow(user, user_two)

	result =
	conn
	\|> get("/users/#{user.nickname}/following")
	\|> json_response(200)

	assert result["first"]["orderedItems"] == []
	assert result["totalItems"] == 1
	end

	test "it works for more than 10 users", %{conn: conn} do
	user = insert(:user)

	Enum.each(1..15, fn _ ->
	user = Repo.get(User, user.id)
	other_user = insert(:user)
	User.follow(user, other_user)
	end)

	result =
	conn
	\|> get("/users/#{user.nickname}/following")
	\|> json_response(200)

	assert length(result["first"]["orderedItems"]) == 10
	assert result["first"]["totalItems"] == 15
	assert result["totalItems"] == 15

	result =
	conn
	\|> get("/users/#{user.nickname}/following?page=2")
	\|> json_response(200)

	assert length(result["orderedItems"]) == 5
	assert result["totalItems"] == 15
	end
	end
	end
	diff --git a/test/web/activity_pub/activity_pub_test.exs b/test/web/activity_pub/activity_pub_test.exs
	index 18f094379..d517c7aa7 100644
	--- a/test/web/activity_pub/activity_pub_test.exs
	+++ b/test/web/activity_pub/activity_pub_test.exs
	@@ -1,665 +1,706 @@
	# Pleroma: A lightweight social networking server
	# Copyright © 2017-2018 Pleroma Authors <https://pleroma.social/>
	# SPDX-License-Identifier: AGPL-3.0-only

	defmodule Pleroma.Web.ActivityPub.ActivityPubTest do
	use Pleroma.DataCase
	alias Pleroma.Web.ActivityPub.ActivityPub
	alias Pleroma.Web.ActivityPub.Utils
	alias Pleroma.Web.CommonAPI
	- alias Pleroma.{Activity, Object, User}
	+ alias Pleroma.{Activity, Object, User, Instances}
	alias Pleroma.Builders.ActivityBuilder

	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]
	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
	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 "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"]
	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 "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
	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
	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
	})

	assert user1.following == [user3.ap_id <> "/followers", user1.ap_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

	+ describe "publish_one/1" do
	+ test_with_mock "it 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 "it 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
	+ end
	+
	def data_uri do
	File.read!("test/fixtures/avatar_data_uri")
	end
	end
	diff --git a/test/web/federator_test.exs b/test/web/federator_test.exs
	index f4234aea8..c6d10ef78 100644
	--- a/test/web/federator_test.exs
	+++ b/test/web/federator_test.exs
	@@ -1,208 +1,208 @@
	# Pleroma: A lightweight social networking server
	# Copyright © 2017-2018 Pleroma Authors <https://pleroma.social/>
	# SPDX-License-Identifier: AGPL-3.0-only

	defmodule Pleroma.Web.FederatorTest do
	alias Pleroma.Web.{CommonAPI, Federator}
	alias Pleroma.Instances
	use Pleroma.DataCase
	import Pleroma.Factory
	import Mock

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

	test "enqueues an element according to priority" do
	queue = [%{item: 1, priority: 2}]

	new_queue = Federator.enqueue_sorted(queue, 2, 1)
	assert new_queue == [%{item: 2, priority: 1}, %{item: 1, priority: 2}]

	new_queue = Federator.enqueue_sorted(queue, 2, 3)
	assert new_queue == [%{item: 1, priority: 2}, %{item: 2, priority: 3}]
	end

	test "pop first item" do
	queue = [%{item: 2, priority: 1}, %{item: 1, priority: 2}]

	assert {2, [%{item: 1, priority: 2}]} = Federator.queue_pop(queue)
	end

	describe "Publish an activity" do
	setup do
	user = insert(:user)
	{:ok, activity} = CommonAPI.post(user, %{"status" => "HI"})

	relay_mock = {
	Pleroma.Web.ActivityPub.Relay,
	[],
	[publish: fn _activity -> send(self(), :relay_publish) end]
	}

	%{activity: activity, relay_mock: relay_mock}
	end

	test "with relays active, it publishes to the relay", %{
	activity: activity,
	relay_mock: relay_mock
	} do
	with_mocks([relay_mock]) do
	Federator.handle(:publish, activity)
	end

	assert_received :relay_publish
	end

	test "with relays deactivated, it does not publish to the relay", %{
	activity: activity,
	relay_mock: relay_mock
	} do
	Pleroma.Config.put([:instance, :allow_relay], false)

	with_mocks([relay_mock]) do
	Federator.handle(:publish, activity)
	end

	refute_received :relay_publish

	Pleroma.Config.put([:instance, :allow_relay], true)
	end
	end

	describe "Targets reachability filtering in `publish`" do
	test_with_mock "it federates only to reachable instances via AP",
	Federator,
	[:passthrough],
	[] do
	user = insert(:user)

	{inbox1, inbox2} =
	{"https://domain.com/users/nick1/inbox", "https://domain2.com/users/nick2/inbox"}

	insert(:user, %{
	local: false,
	nickname: "nick1@domain.com",
	ap_id: "https://domain.com/users/nick1",
	info: %{ap_enabled: true, source_data: %{"inbox" => inbox1}}
	})

	insert(:user, %{
	local: false,
	nickname: "nick2@domain2.com",
	ap_id: "https://domain2.com/users/nick2",
	info: %{ap_enabled: true, source_data: %{"inbox" => inbox2}}
	})

	Instances.set_unreachable(
	URI.parse(inbox2).host,
	Instances.reachability_datetime_threshold()
	)

	{:ok, _activity} =
	CommonAPI.post(user, %{"status" => "HI @nick1@domain.com, @nick2@domain2.com!"})

	assert called(Federator.enqueue(:publish_single_ap, %{inbox: inbox1}))
	refute called(Federator.enqueue(:publish_single_ap, %{inbox: inbox2}))
	end

	test_with_mock "it federates only to reachable instances via Websub",
	Federator,
	[:passthrough],
	[] do
	user = insert(:user)
	websub_topic = Pleroma.Web.OStatus.feed_path(user)

	sub1 =
	insert(:websub_subscription, %{
	topic: websub_topic,
	state: "active",
	callback: "http://pleroma.soykaf.com/cb"
	})

	sub2 =
	insert(:websub_subscription, %{
	topic: websub_topic,
	state: "active",
	callback: "https://pleroma2.soykaf.com/cb"
	})

	- Instances.set_unreachable(sub1.callback, Instances.reachability_datetime_threshold())
	+ Instances.set_consistently_unreachable(sub1.callback)

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

	assert called(Federator.enqueue(:publish_single_websub, %{callback: sub2.callback}))
	refute called(Federator.enqueue(:publish_single_websub, %{callback: sub1.callback}))
	end

	test_with_mock "it federates only to reachable instances via Salmon",
	Federator,
	[:passthrough],
	[] do
	user = insert(:user)

	remote_user1 =
	insert(:user, %{
	local: false,
	nickname: "nick1@domain.com",
	ap_id: "https://domain.com/users/nick1",
	info: %{salmon: "https://domain.com/salmon"}
	})

	remote_user2 =
	insert(:user, %{
	local: false,
	nickname: "nick2@domain2.com",
	ap_id: "https://domain2.com/users/nick2",
	info: %{salmon: "https://domain2.com/salmon"}
	})

	- Instances.set_unreachable("domain.com", Instances.reachability_datetime_threshold())
	+ Instances.set_consistently_unreachable("domain.com")

	{:ok, _activity} =
	CommonAPI.post(user, %{"status" => "HI @nick1@domain.com, @nick2@domain2.com!"})

	assert called(Federator.enqueue(:publish_single_salmon, {remote_user2, :_, :_}))
	refute called(Federator.enqueue(:publish_single_websub, {remote_user1, :_, :_}))
	end
	end

	describe "Receive an activity" do
	test "successfully processes incoming AP docs with correct origin" do
	params = %{
	"@context" => "https://www.w3.org/ns/activitystreams",
	"actor" => "http://mastodon.example.org/users/admin",
	"type" => "Create",
	"id" => "http://mastodon.example.org/users/admin/activities/1",
	"object" => %{
	"type" => "Note",
	"content" => "hi world!",
	"id" => "http://mastodon.example.org/users/admin/objects/1",
	"attributedTo" => "http://mastodon.example.org/users/admin"
	},
	"to" => ["https://www.w3.org/ns/activitystreams#Public"]
	}

	{:ok, _activity} = Federator.handle(:incoming_ap_doc, params)
	end

	test "rejects incoming AP docs with incorrect origin" do
	params = %{
	"@context" => "https://www.w3.org/ns/activitystreams",
	"actor" => "https://niu.moe/users/rye",
	"type" => "Create",
	"id" => "http://mastodon.example.org/users/admin/activities/1",
	"object" => %{
	"type" => "Note",
	"content" => "hi world!",
	"id" => "http://mastodon.example.org/users/admin/objects/1",
	"attributedTo" => "http://mastodon.example.org/users/admin"
	},
	"to" => ["https://www.w3.org/ns/activitystreams#Public"]
	}

	:error = Federator.handle(:incoming_ap_doc, params)
	end
	end
	end
	diff --git a/test/web/instances/instance_test.exs b/test/web/instances/instance_test.exs
	new file mode 100644
	index 000000000..a158c0a42
	--- /dev/null
	+++ b/test/web/instances/instance_test.exs
	@@ -0,0 +1,107 @@
	+# Pleroma: A lightweight social networking server
	+# Copyright © 2017-2018 Pleroma Authors <https://pleroma.social/>
	+# SPDX-License-Identifier: AGPL-3.0-only
	+
	+defmodule Pleroma.Instances.InstanceTest do
	+ alias Pleroma.Repo
	+ alias Pleroma.Instances.Instance
	+
	+ use Pleroma.DataCase
	+
	+ import Pleroma.Factory
	+
	+ setup_all do
	+ config_path = [:instance, :federation_reachability_timeout_days]
	+ initial_setting = Pleroma.Config.get(config_path)
	+
	+ Pleroma.Config.put(config_path, 1)
	+ on_exit(fn -> Pleroma.Config.put(config_path, initial_setting) end)
	+
	+ :ok
	+ end
	+
	+ describe "set_reachable/1" do
	+ test "clears `unreachable_since` of existing matching Instance record having non-nil `unreachable_since`" do
	+ instance = insert(:instance, unreachable_since: NaiveDateTime.utc_now())
	+
	+ assert {:ok, instance} = Instance.set_reachable(instance.host)
	+ refute instance.unreachable_since
	+ end
	+
	+ test "keeps nil `unreachable_since` of existing matching Instance record having nil `unreachable_since`" do
	+ instance = insert(:instance, unreachable_since: nil)
	+
	+ assert {:ok, instance} = Instance.set_reachable(instance.host)
	+ refute instance.unreachable_since
	+ end
	+
	+ test "does NOT create an Instance record in case of no existing matching record" do
	+ host = "domain.org"
	+ assert nil == Instance.set_reachable(host)
	+
	+ assert [] = Repo.all(Ecto.Query.from(i in Instance))
	+ assert Instance.reachable?(host)
	+ end
	+ end
	+
	+ describe "set_unreachable/1" do
	+ test "creates new record having `unreachable_since` to current time if record does not exist" do
	+ assert {:ok, instance} = Instance.set_unreachable("https://domain.com/path")
	+
	+ instance = Repo.get(Instance, instance.id)
	+ assert instance.unreachable_since
	+ assert "domain.com" == instance.host
	+ end
	+
	+ test "sets `unreachable_since` of existing record having nil `unreachable_since`" do
	+ instance = insert(:instance, unreachable_since: nil)
	+ refute instance.unreachable_since
	+
	+ assert {:ok, _} = Instance.set_unreachable(instance.host)
	+
	+ instance = Repo.get(Instance, instance.id)
	+ assert instance.unreachable_since
	+ end
	+
	+ test "does NOT modify `unreachable_since` value of existing record in case it's present" do
	+ instance =
	+ insert(:instance, unreachable_since: NaiveDateTime.add(NaiveDateTime.utc_now(), -10))
	+
	+ assert instance.unreachable_since
	+ initial_value = instance.unreachable_since
	+
	+ assert {:ok, _} = Instance.set_unreachable(instance.host)
	+
	+ instance = Repo.get(Instance, instance.id)
	+ assert initial_value == instance.unreachable_since
	+ end
	+ end
	+
	+ describe "set_unreachable/2" do
	+ test "sets `unreachable_since` value of existing record in case it's newer than supplied value" do
	+ instance =
	+ insert(:instance, unreachable_since: NaiveDateTime.add(NaiveDateTime.utc_now(), -10))
	+
	+ assert instance.unreachable_since
	+
	+ past_value = NaiveDateTime.add(NaiveDateTime.utc_now(), -100)
	+ assert {:ok, _} = Instance.set_unreachable(instance.host, past_value)
	+
	+ instance = Repo.get(Instance, instance.id)
	+ assert past_value == instance.unreachable_since
	+ end
	+
	+ test "does NOT modify `unreachable_since` value of existing record in case it's equal to or older than supplied value" do
	+ instance =
	+ insert(:instance, unreachable_since: NaiveDateTime.add(NaiveDateTime.utc_now(), -10))
	+
	+ assert instance.unreachable_since
	+ initial_value = instance.unreachable_since
	+
	+ assert {:ok, _} = Instance.set_unreachable(instance.host, NaiveDateTime.utc_now())
	+
	+ instance = Repo.get(Instance, instance.id)
	+ assert initial_value == instance.unreachable_since
	+ end
	+ end
	+end
	diff --git a/test/web/instances/instances_test.exs b/test/web/instances/instances_test.exs
	new file mode 100644
	index 000000000..a2fdf1019
	--- /dev/null
	+++ b/test/web/instances/instances_test.exs
	@@ -0,0 +1,94 @@
	+# Pleroma: A lightweight social networking server
	+# Copyright © 2017-2018 Pleroma Authors <https://pleroma.social/>
	+# SPDX-License-Identifier: AGPL-3.0-only
	+
	+defmodule Pleroma.InstancesTest do
	+ alias Pleroma.Instances
	+
	+ use Pleroma.DataCase
	+
	+ setup_all do
	+ config_path = [:instance, :federation_reachability_timeout_days]
	+ initial_setting = Pleroma.Config.get(config_path)
	+
	+ Pleroma.Config.put(config_path, 1)
	+ on_exit(fn -> Pleroma.Config.put(config_path, initial_setting) end)
	+
	+ :ok
	+ end
	+
	+ describe "reachable?/1" do
	+ test "returns `true` for host / url with unknown reachability status" do
	+ assert Instances.reachable?("unknown.site")
	+ assert Instances.reachable?("http://unknown.site")
	+ end
	+
	+ test "returns `false` for host / url marked unreachable for at least `reachability_datetime_threshold()`" do
	+ host = "consistently-unreachable.name"
	+ Instances.set_consistently_unreachable(host)
	+
	+ refute Instances.reachable?(host)
	+ refute Instances.reachable?("http://#{host}/path")
	+ end
	+
	+ test "returns `true` for host / url marked unreachable for less than `reachability_datetime_threshold()`" do
	+ url = "http://eventually-unreachable.name/path"
	+
	+ Instances.set_unreachable(url)
	+
	+ assert Instances.reachable?(url)
	+ assert Instances.reachable?(URI.parse(url).host)
	+ end
	+ end
	+
	+ describe "filter_reachable/1" do
	+ test "keeps only reachable elements of supplied list" do
	+ host = "consistently-unreachable.name"
	+ url1 = "http://eventually-unreachable.com/path"
	+ url2 = "http://domain.com/path"
	+
	+ Instances.set_consistently_unreachable(host)
	+ Instances.set_unreachable(url1)
	+
	+ assert [url1, url2] == Instances.filter_reachable([host, url1, url2])
	+ end
	+ end
	+
	+ describe "set_reachable/1" do
	+ test "sets unreachable url or host reachable" do
	+ host = "domain.com"
	+ Instances.set_consistently_unreachable(host)
	+ refute Instances.reachable?(host)
	+
	+ Instances.set_reachable(host)
	+ assert Instances.reachable?(host)
	+ end
	+
	+ test "keeps reachable url or host reachable" do
	+ url = "https://site.name?q="
	+ assert Instances.reachable?(url)
	+
	+ Instances.set_reachable(url)
	+ assert Instances.reachable?(url)
	+ end
	+ end
	+
	+ describe "set_consistently_unreachable/1" do
	+ test "sets reachable url or host unreachable" do
	+ url = "http://domain.com?q="
	+ assert Instances.reachable?(url)
	+
	+ Instances.set_consistently_unreachable(url)
	+ refute Instances.reachable?(url)
	+ end
	+
	+ test "keeps unreachable url or host unreachable" do
	+ host = "site.name"
	+ Instances.set_consistently_unreachable(host)
	+ refute Instances.reachable?(host)
	+
	+ Instances.set_consistently_unreachable(host)
	+ refute Instances.reachable?(host)
	+ end
	+ end
	+end
	diff --git a/test/web/ostatus/ostatus_controller_test.exs b/test/web/ostatus/ostatus_controller_test.exs
	index ca447aa5d..ad9bc418a 100644
	--- a/test/web/ostatus/ostatus_controller_test.exs
	+++ b/test/web/ostatus/ostatus_controller_test.exs
	@@ -1,253 +1,253 @@
	# Pleroma: A lightweight social networking server
	# Copyright © 2017-2018 Pleroma Authors <https://pleroma.social/>
	# SPDX-License-Identifier: AGPL-3.0-only

	defmodule Pleroma.Web.OStatus.OStatusControllerTest do
	use Pleroma.Web.ConnCase
	import Pleroma.Factory
	alias Pleroma.{User, Repo, Object, Instances}
	alias Pleroma.Web.CommonAPI
	alias Pleroma.Web.OStatus.ActivityRepresenter

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

	describe "salmon_incoming" do
	test "decodes a salmon", %{conn: conn} do
	user = insert(:user)
	salmon = File.read!("test/fixtures/salmon.xml")

	conn =
	conn
	\|> put_req_header("content-type", "application/atom+xml")
	\|> post("/users/#{user.nickname}/salmon", salmon)

	assert response(conn, 200)
	end

	test "decodes a salmon with a changed magic key", %{conn: conn} do
	user = insert(:user)
	salmon = File.read!("test/fixtures/salmon.xml")

	conn =
	conn
	\|> put_req_header("content-type", "application/atom+xml")
	\|> post("/users/#{user.nickname}/salmon", salmon)

	assert response(conn, 200)

	# Set a wrong magic-key for a user so it has to refetch
	salmon_user = User.get_by_ap_id("http://gs.example.org:4040/index.php/user/1")
	# Wrong key
	info_cng =
	User.Info.remote_user_creation(salmon_user.info, %{
	magic_key:
	"RSA.pu0s-halox4tu7wmES1FVSx6u-4wc0YrUFXcqWXZG4-27UmbCOpMQftRCldNRfyA-qLbz-eqiwrong1EwUvjsD4cYbAHNGHwTvDOyx5AKthQUP44ykPv7kjKGh3DWKySJvcs9tlUG87hlo7AvnMo9pwRS_Zz2CacQ-MKaXyDepk=.AQAB"
	})

	salmon_user
	\|> Ecto.Changeset.change()
	\|> Ecto.Changeset.put_embed(:info, info_cng)
	\|> Repo.update()

	conn =
	build_conn()
	\|> put_req_header("content-type", "application/atom+xml")
	\|> post("/users/#{user.nickname}/salmon", salmon)

	assert response(conn, 200)
	end

	test "it clears `unreachable` federation status of the sender", %{conn: conn} do
	sender_url = "https://pleroma.soykaf.com"
	- Instances.set_unreachable(sender_url, Instances.reachability_datetime_threshold())
	+ Instances.set_consistently_unreachable(sender_url)
	refute Instances.reachable?(sender_url)

	user = insert(:user)
	salmon = File.read!("test/fixtures/salmon.xml")

	conn =
	conn
	\|> put_req_header("content-type", "application/atom+xml")
	\|> put_req_header("referer", sender_url)
	\|> post("/users/#{user.nickname}/salmon", salmon)

	assert response(conn, 200)
	assert Instances.reachable?(sender_url)
	end
	end

	test "gets a feed", %{conn: conn} do
	note_activity = insert(:note_activity)
	user = User.get_cached_by_ap_id(note_activity.data["actor"])

	conn =
	conn
	\|> put_req_header("content-type", "application/atom+xml")
	\|> get("/users/#{user.nickname}/feed.atom")

	assert response(conn, 200) =~ note_activity.data["object"]["content"]
	end

	test "returns 404 for a missing feed", %{conn: conn} do
	conn =
	conn
	\|> put_req_header("content-type", "application/atom+xml")
	\|> get("/users/nonexisting/feed.atom")

	assert response(conn, 404)
	end

	test "gets an object", %{conn: conn} do
	note_activity = insert(:note_activity)
	user = User.get_by_ap_id(note_activity.data["actor"])
	[_, uuid] = hd(Regex.scan(~r/.+\/([\w-]+)$/, note_activity.data["object"]["id"]))
	url = "/objects/#{uuid}"

	conn =
	conn
	\|> get(url)

	expected =
	ActivityRepresenter.to_simple_form(note_activity, user, true)
	\|> ActivityRepresenter.wrap_with_entry()
	\|> :xmerl.export_simple(:xmerl_xml)
	\|> to_string

	assert response(conn, 200) == expected
	end

	test "404s on private objects", %{conn: conn} do
	note_activity = insert(:direct_note_activity)
	[_, uuid] = hd(Regex.scan(~r/.+\/([\w-]+)$/, note_activity.data["object"]["id"]))

	conn
	\|> get("/objects/#{uuid}")
	\|> response(404)
	end

	test "404s on nonexisting objects", %{conn: conn} do
	conn
	\|> get("/objects/123")
	\|> response(404)
	end

	test "404s on deleted objects", %{conn: conn} do
	note_activity = insert(:note_activity)
	[_, uuid] = hd(Regex.scan(~r/.+\/([\w-]+)$/, note_activity.data["object"]["id"]))
	object = Object.get_by_ap_id(note_activity.data["object"]["id"])

	conn
	\|> get("/objects/#{uuid}")
	\|> response(200)

	Object.delete(object)

	conn
	\|> get("/objects/#{uuid}")
	\|> response(404)
	end

	test "gets an activity", %{conn: conn} do
	note_activity = insert(:note_activity)
	[_, uuid] = hd(Regex.scan(~r/.+\/([\w-]+)$/, note_activity.data["id"]))

	conn
	\|> get("/activities/#{uuid}")
	\|> response(200)
	end

	test "404s on private activities", %{conn: conn} do
	note_activity = insert(:direct_note_activity)
	[_, uuid] = hd(Regex.scan(~r/.+\/([\w-]+)$/, note_activity.data["id"]))

	conn
	\|> get("/activities/#{uuid}")
	\|> response(404)
	end

	test "404s on nonexistent activities", %{conn: conn} do
	conn
	\|> get("/activities/123")
	\|> response(404)
	end

	test "gets a notice", %{conn: conn} do
	note_activity = insert(:note_activity)

	conn
	\|> get("/notice/#{note_activity.id}")
	\|> response(200)
	end

	test "gets a notice in AS2 format", %{conn: conn} do
	note_activity = insert(:note_activity)

	conn
	\|> put_req_header("accept", "application/activity+json")
	\|> get("/notice/#{note_activity.id}")
	\|> json_response(200)
	end

	test "only gets a notice in AS2 format for Create messages", %{conn: conn} do
	note_activity = insert(:note_activity)
	url = "/notice/#{note_activity.id}"

	conn =
	conn
	\|> put_req_header("accept", "application/activity+json")
	\|> get(url)

	assert json_response(conn, 200)

	user = insert(:user)

	{:ok, like_activity, _} = CommonAPI.favorite(note_activity.id, user)
	url = "/notice/#{like_activity.id}"

	assert like_activity.data["type"] == "Like"

	conn =
	build_conn()
	\|> put_req_header("accept", "application/activity+json")
	\|> get(url)

	assert response(conn, 404)
	end

	test "gets an activity in AS2 format", %{conn: conn} do
	note_activity = insert(:note_activity)
	[_, uuid] = hd(Regex.scan(~r/.+\/([\w-]+)$/, note_activity.data["id"]))
	url = "/activities/#{uuid}"

	conn =
	conn
	\|> put_req_header("accept", "application/activity+json")
	\|> get(url)

	assert json_response(conn, 200)
	end

	test "404s a private notice", %{conn: conn} do
	note_activity = insert(:direct_note_activity)
	url = "/notice/#{note_activity.id}"

	conn =
	conn
	\|> get(url)

	assert response(conn, 404)
	end

	test "404s a nonexisting notice", %{conn: conn} do
	url = "/notice/123"

	conn =
	conn
	\|> get(url)

	assert response(conn, 404)
	end
	end
	diff --git a/test/web/websub/websub_controller_test.exs b/test/web/websub/websub_controller_test.exs
	index c445ed676..cb19d6fe6 100644
	--- a/test/web/websub/websub_controller_test.exs
	+++ b/test/web/websub/websub_controller_test.exs
	@@ -1,106 +1,106 @@
	# Pleroma: A lightweight social networking server
	# Copyright © 2017-2018 Pleroma Authors <https://pleroma.social/>
	# SPDX-License-Identifier: AGPL-3.0-only

	defmodule Pleroma.Web.Websub.WebsubControllerTest do
	use Pleroma.Web.ConnCase
	import Pleroma.Factory
	alias Pleroma.Web.Websub.WebsubClientSubscription
	alias Pleroma.{Repo, Activity, Instances}
	alias Pleroma.Web.Websub

	test "websub subscription request", %{conn: conn} do
	user = insert(:user)

	path = Pleroma.Web.OStatus.pubsub_path(user)

	data = %{
	"hub.callback": "http://example.org/sub",
	"hub.mode": "subscribe",
	"hub.topic": Pleroma.Web.OStatus.feed_path(user),
	"hub.secret": "a random secret",
	"hub.lease_seconds": "100"
	}

	conn =
	conn
	\|> post(path, data)

	assert response(conn, 202) == "Accepted"
	end

	test "websub subscription confirmation", %{conn: conn} do
	websub = insert(:websub_client_subscription)

	params = %{
	"hub.mode" => "subscribe",
	"hub.topic" => websub.topic,
	"hub.challenge" => "some challenge",
	"hub.lease_seconds" => "100"
	}

	conn =
	conn
	\|> get("/push/subscriptions/#{websub.id}", params)

	websub = Repo.get(WebsubClientSubscription, websub.id)

	assert response(conn, 200) == "some challenge"
	assert websub.state == "accepted"
	assert_in_delta NaiveDateTime.diff(websub.valid_until, NaiveDateTime.utc_now()), 100, 5
	end

	describe "websub_incoming" do
	test "handles incoming feed updates", %{conn: conn} do
	websub = insert(:websub_client_subscription)
	doc = "some stuff"
	signature = Websub.sign(websub.secret, doc)

	conn =
	conn
	\|> put_req_header("x-hub-signature", "sha1=" <> signature)
	\|> put_req_header("content-type", "application/atom+xml")
	\|> post("/push/subscriptions/#{websub.id}", doc)

	assert response(conn, 200) == "OK"

	assert length(Repo.all(Activity)) == 1
	end

	test "rejects incoming feed updates with the wrong signature", %{conn: conn} do
	websub = insert(:websub_client_subscription)
	doc = "some stuff"
	signature = Websub.sign("wrong secret", doc)

	conn =
	conn
	\|> put_req_header("x-hub-signature", "sha1=" <> signature)
	\|> put_req_header("content-type", "application/atom+xml")
	\|> post("/push/subscriptions/#{websub.id}", doc)

	assert response(conn, 500) == "Error"

	assert length(Repo.all(Activity)) == 0
	end

	test "it clears `unreachable` federation status of the sender", %{conn: conn} do
	sender_url = "https://pleroma.soykaf.com"
	- Instances.set_unreachable(sender_url, Instances.reachability_datetime_threshold())
	+ Instances.set_consistently_unreachable(sender_url)
	refute Instances.reachable?(sender_url)

	websub = insert(:websub_client_subscription)
	doc = "some stuff"
	signature = Websub.sign(websub.secret, doc)

	conn =
	conn
	\|> put_req_header("x-hub-signature", "sha1=" <> signature)
	\|> put_req_header("content-type", "application/atom+xml")
	\|> put_req_header("referer", sender_url)
	\|> post("/push/subscriptions/#{websub.id}", doc)

	assert response(conn, 200) == "OK"
	assert Instances.reachable?(sender_url)
	end
	end
	end

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