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	diff --git a/lib/pleroma/web/mastodon_api/mastodon_api_controller.ex b/lib/pleroma/web/mastodon_api/mastodon_api_controller.ex
	index fbf8c1915..0d84308e7 100644
	--- a/lib/pleroma/web/mastodon_api/mastodon_api_controller.ex
	+++ b/lib/pleroma/web/mastodon_api/mastodon_api_controller.ex
	@@ -1,635 +1,645 @@
	defmodule Pleroma.Web.MastodonAPI.MastodonAPIController do
	use Pleroma.Web, :controller
	alias Pleroma.{Repo, Activity, User, Notification, Stats}
	alias Pleroma.Web
	alias Pleroma.Web.MastodonAPI.{StatusView, AccountView, MastodonView}
	alias Pleroma.Web.ActivityPub.ActivityPub
	alias Pleroma.Web.{CommonAPI, OStatus}
	alias Pleroma.Web.OAuth.{Authorization, Token, App}
	alias Comeonin.Pbkdf2
	import Ecto.Query
	require Logger

	def create_app(conn, params) do
	with cs <- App.register_changeset(%App{}, params) \|> IO.inspect,
	{:ok, app} <- Repo.insert(cs) \|> IO.inspect do
	res = %{
	id: app.id,
	client_id: app.client_id,
	client_secret: app.client_secret
	}

	json(conn, res)
	end
	end

	def update_credentials(%{assigns: %{user: user}} = conn, params) do
	original_user = user
	params = if bio = params["note"] do
	Map.put(params, "bio", bio)
	else
	params
	end

	params = if name = params["display_name"] do
	Map.put(params, "name", name)
	else
	params
	end

	user = if avatar = params["avatar"] do
	with %Plug.Upload{} <- avatar,
	{:ok, object} <- ActivityPub.upload(avatar),
	change = Ecto.Changeset.change(user, %{avatar: object.data}),
	{:ok, user} = User.update_and_set_cache(change) do
	user
	else
	_e -> user
	end
	else
	user
	end

	user = if banner = params["header"] do
	with %Plug.Upload{} <- banner,
	{:ok, object} <- ActivityPub.upload(banner),
	new_info <- Map.put(user.info, "banner", object.data),
	change <- User.info_changeset(user, %{info: new_info}),
	{:ok, user} <- User.update_and_set_cache(change) do
	user
	else
	_e -> user
	end
	else
	user
	end

	with changeset <- User.update_changeset(user, params),
	{:ok, user} <- User.update_and_set_cache(changeset) do
	if original_user != user do
	CommonAPI.update(user)
	end
	json conn, AccountView.render("account.json", %{user: user})
	else
	_e ->
	conn
	\|> put_status(403)
	\|> json(%{error: "Invalid request"})
	end
	end

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

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

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

	def masto_instance(conn, _params) do
	response = %{
	uri: Web.base_url,
	title: Keyword.get(@instance, :name),
	description: "A Pleroma instance, an alternative fediverse server",
	version: Keyword.get(@instance, :version),
	email: Keyword.get(@instance, :email),
	urls: %{
	streaming_api: String.replace(Web.base_url, ["http","https"], "wss")
	},
	stats: Stats.get_stats,
	thumbnail: Web.base_url <> "/instance/thumbnail.jpeg",
	max_toot_chars: Keyword.get(@instance, :limit)
	}

	json(conn, response)
	end

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

	defp mastodonized_emoji do
	Pleroma.Formatter.get_custom_emoji()
	\|> Enum.map(fn {shortcode, relative_url} ->
	url = to_string URI.merge(Web.base_url(), relative_url)
	%{
	"shortcode" => shortcode,
	"static_url" => url,
	"url" => url
	}
	end)
	end

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

	- defp add_link_headers(conn, method, activities) do
	+ defp add_link_headers(conn, method, activities, param \\ false) do
	last = List.last(activities)
	first = List.first(activities)
	if last do
	min = last.id
	max = first.id
	- next_url = mastodon_api_url(Pleroma.Web.Endpoint, method, max_id: min)
	- prev_url = mastodon_api_url(Pleroma.Web.Endpoint, method, since_id: max)
	+ {next_url, prev_url} = if param do
	+ {
	+ mastodon_api_url(Pleroma.Web.Endpoint, method, param, max_id: min),
	+ mastodon_api_url(Pleroma.Web.Endpoint, method, param, since_id: max)
	+ }
	+ else
	+ {
	+ mastodon_api_url(Pleroma.Web.Endpoint, method, max_id: min),
	+ mastodon_api_url(Pleroma.Web.Endpoint, method, since_id: max)
	+ }
	+ end
	conn
	\|> put_resp_header("link", "<#{next_url}>; rel=\"next\", <#{prev_url}>; rel=\"prev\"")
	else
	conn
	end
	end

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

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

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

	def public_timeline(%{assigns: %{user: user}} = conn, params) do
	params = params
	\|> Map.put("type", ["Create", "Announce"])
	\|> Map.put("local_only", params["local"] in [true, "True", "true", "1"])
	\|> Map.put("blocking_user", user)

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

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

	- # TODO: Link headers
	def user_statuses(%{assigns: %{user: user}} = conn, params) do
	with %User{ap_id: ap_id} <- Repo.get(User, params["id"]) do
	params = params
	\|> Map.put("type", ["Create", "Announce"])
	\|> Map.put("actor_id", ap_id)
	\|> Map.put("whole_db", true)

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

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

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

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

	json(conn, result)
	end
	end

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

	{:ok, activity} = CommonAPI.post(user, params)
	render conn, StatusView, "status.json", %{activity: activity, for: user, as: :activity}
	end

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

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

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

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

	def notifications(%{assigns: %{user: user}} = conn, params) do
	notifications = Notification.for_user(user, params)
	result = Enum.map(notifications, fn x ->
	render_notification(user, x)
	end)
	\|> Enum.filter(&(&1))

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

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

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

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

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

	def upload(%{assigns: %{user: _}} = conn, %{"file" => file}) do
	with {:ok, object} <- ActivityPub.upload(file) do
	data = object.data
	\|> Map.put("id", object.id)

	render conn, StatusView, "attachment.json", %{attachment: data}
	end
	end

	def favourited_by(conn, %{"id" => id}) do
	with %Activity{data: %{"object" => %{"likes" => likes}}} <- Repo.get(Activity, id) do
	q = from u in User,
	where: u.ap_id in ^likes
	users = Repo.all(q)
	render conn, AccountView, "accounts.json", %{users: users, as: :user}
	else
	_ -> json(conn, [])
	end
	end

	def reblogged_by(conn, %{"id" => id}) do
	with %Activity{data: %{"object" => %{"announcements" => announces}}} <- Repo.get(Activity, id) do
	q = from u in User,
	where: u.ap_id in ^announces
	users = Repo.all(q)
	render conn, AccountView, "accounts.json", %{users: users, as: :user}
	else
	_ -> json(conn, [])
	end
	end

	- # TODO: Link headers
	def hashtag_timeline(%{assigns: %{user: user}} = conn, params) do
	params = params
	\|> Map.put("type", "Create")
	\|> Map.put("local_only", !!params["local"])
	\|> Map.put("blocking_user", user)

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

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

	# TODO: Pagination
	def followers(conn, %{"id" => id}) do
	with %User{} = user <- Repo.get(User, id),
	{:ok, followers} <- User.get_followers(user) do
	render conn, AccountView, "accounts.json", %{users: followers, as: :user}
	end
	end

	def following(conn, %{"id" => id}) do
	with %User{} = user <- Repo.get(User, id),
	{:ok, followers} <- User.get_friends(user) do
	render conn, AccountView, "accounts.json", %{users: followers, as: :user}
	end
	end

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

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

	# TODO: Clean up and unify
	def unfollow(%{assigns: %{user: follower}} = conn, %{"id" => id}) do
	with %User{} = followed <- Repo.get(User, id),
	{ :ok, follower, follow_activity } <- User.unfollow(follower, followed),
	{ :ok, _activity } <- ActivityPub.insert(%{
	"type" => "Undo",
	"actor" => follower.ap_id,
	"object" => follow_activity.data["id"] # get latest Follow for these users
	}) do
	render conn, AccountView, "relationship.json", %{user: follower, target: followed}
	end
	end

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

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

	# TODO: Use proper query
	def blocks(%{assigns: %{user: user}} = conn, _) do
	with blocked_users <- user.info["blocks"] \|\| [],
	accounts <- Enum.map(blocked_users, fn (ap_id) -> User.get_cached_by_ap_id(ap_id) end) do
	res = AccountView.render("accounts.json", users: accounts, for: user, as: :user)
	json(conn, res)
	end
	end

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

	fetched = if Regex.match?(~r/https?:/, query) do
	with {:ok, activities} <- OStatus.fetch_activity_from_url(query) do
	activities
	else
	_e -> []
	end
	end \|\| []

	q = from a in Activity,
	where: fragment("?->>'type' = 'Create'", a.data),
	where: fragment("to_tsvector('english', ?->'object'->>'content') @@ plainto_tsquery('english', ?)", a.data, ^query),
	limit: 20
	statuses = Repo.all(q) ++ fetched

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

	json(conn, res)
	end

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

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

	json(conn, res)
	end

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

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

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

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

	if user && token do
	mastodon_emoji = mastodonized_emoji()
	accounts = Map.put(%{}, user.id, AccountView.render("account.json", %{user: user}))
	initial_state = %{
	meta: %{
	streaming_api_base_url: String.replace(Pleroma.Web.Endpoint.static_url(), "http", "ws"),
	access_token: token,
	locale: "en",
	domain: Pleroma.Web.Endpoint.host(),
	admin: "1",
	me: "#{user.id}",
	unfollow_modal: false,
	boost_modal: false,
	delete_modal: true,
	auto_play_gif: false,
	reduce_motion: false
	},
	compose: %{
	me: "#{user.id}",
	default_privacy: "public",
	default_sensitive: false
	},
	media_attachments: %{
	accept_content_types: [
	".jpg",
	".jpeg",
	".png",
	".gif",
	".webm",
	".mp4",
	".m4v",
	"image\/jpeg",
	"image\/png",
	"image\/gif",
	"video\/webm",
	"video\/mp4"
	]
	},
	settings: %{
	onboarded: true,
	home: %{
	shows: %{
	reblog: true,
	reply: true
	}
	},
	notifications: %{
	alerts: %{
	follow: true,
	favourite: true,
	reblog: true,
	mention: true
	},
	shows: %{
	follow: true,
	favourite: true,
	reblog: true,
	mention: true
	},
	sounds: %{
	follow: true,
	favourite: true,
	reblog: true,
	mention: true
	}
	}
	},
	push_subscription: nil,
	accounts: accounts,
	custom_emojis: mastodon_emoji
	} \|> Poison.encode!
	conn
	\|> put_layout(false)
	\|> render(MastodonView, "index.html", %{initial_state: initial_state})
	else
	conn
	\|> redirect(to: "/web/login")
	end
	end

	def login(conn, _) do
	conn
	\|> render(MastodonView, "login.html", %{error: false})
	end

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

	def login_post(conn, %{"authorization" => %{ "name" => name, "password" => password}}) do
	with %User{} = user <- User.get_cached_by_nickname(name),
	true <- Pbkdf2.checkpw(password, user.password_hash),
	{:ok, app} <- get_or_make_app(),
	{:ok, auth} <- Authorization.create_authorization(app, user),
	{:ok, token} <- Token.exchange_token(app, auth) do
	conn
	\|> put_session(:oauth_token, token.token)
	\|> redirect(to: "/web/getting-started")
	else
	_e ->
	conn
	\|> render(MastodonView, "login.html", %{error: "Wrong username or password"})
	end
	end

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

	def relationship_noop(%{assigns: %{user: user}} = conn, %{"id" => id}) do
	Logger.debug("Unimplemented, returning unmodified relationship")
	with %User{} = target <- Repo.get(User, id) do
	render conn, AccountView, "relationship.json", %{user: user, target: target}
	end
	end

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

	def render_notification(user, %{id: id, activity: activity, inserted_at: created_at} = _params) do
	actor = User.get_cached_by_ap_id(activity.data["actor"])
	created_at = NaiveDateTime.to_iso8601(created_at)
	\|> String.replace(~r/(\.\d+)?$/, ".000Z", global: false)
	case activity.data["type"] do
	"Create" ->
	%{id: id, type: "mention", created_at: created_at, account: AccountView.render("account.json", %{user: actor}), status: StatusView.render("status.json", %{activity: activity, for: user})}
	"Like" ->
	liked_activity = Activity.get_create_activity_by_object_ap_id(activity.data["object"])
	%{id: id, type: "favourite", created_at: created_at, account: AccountView.render("account.json", %{user: actor}), status: StatusView.render("status.json", %{activity: liked_activity, for: user})}
	"Announce" ->
	announced_activity = Activity.get_create_activity_by_object_ap_id(activity.data["object"])
	%{id: id, type: "reblog", created_at: created_at, account: AccountView.render("account.json", %{user: actor}), status: StatusView.render("status.json", %{activity: announced_activity, for: user})}
	"Follow" ->
	%{id: id, type: "follow", created_at: created_at, account: AccountView.render("account.json", %{user: actor})}
	_ -> nil
	end
	end
	end

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