defmodule Mobilizon.Web.PageController do @moduledoc """ Controller to load our webapp """ use Mobilizon.Web, :controller alias Mobilizon.Discussions.Comment alias Mobilizon.Events.Event alias Mobilizon.Federation.ActivityPub alias Mobilizon.Tombstone alias Mobilizon.Web.{ActivityPubController, Cache} plug(:put_layout, false) action_fallback(Mobilizon.Web.FallbackController) @spec index(Plug.Conn.t(), any) :: Plug.Conn.t() def index(conn, _params), do: render(conn, :index) @spec actor(Plug.Conn.t(), map) :: {:error, :not_found} | Plug.Conn.t() def actor(conn, %{"name" => name}) do {status, actor} = Cache.get_local_actor_by_name(name) render_or_error(conn, &ok_status?/3, status, :actor, actor) end @spec event(Plug.Conn.t(), map) :: {:error, :not_found} | Plug.Conn.t() def event(conn, %{"uuid" => uuid}) do {status, event} = Cache.get_public_event_by_uuid_with_preload(uuid) render_or_error(conn, &checks?/3, status, :event, event) end @spec comment(Plug.Conn.t(), map) :: {:error, :not_found} | Plug.Conn.t() def comment(conn, %{"uuid" => uuid}) do {status, comment} = Cache.get_comment_by_uuid_with_preload(uuid) render_or_error(conn, &checks?/3, status, :comment, comment) end @spec resource(Plug.Conn.t(), map()) :: Plug.Conn.t() | {:error, :not_found} def resource(conn, %{"uuid" => uuid}) do {status, resource} = Cache.get_resource_by_uuid_with_preload(uuid) render_or_error(conn, &checks?/3, status, :resource, resource) end @spec post(Plug.Conn.t(), map()) :: Plug.Conn.t() | {:error, :not_found} def post(conn, %{"slug" => slug}) do {status, post} = Cache.get_post_by_slug_with_preload(slug) render_or_error(conn, &checks?/3, status, :post, post) end @spec discussion(Plug.Conn.t(), map()) :: Plug.Conn.t() | {:error, :not_found} def discussion(conn, %{"slug" => slug}) do {status, discussion} = Cache.get_discussion_by_slug_with_preload(slug) render_or_error(conn, &checks?/3, status, :discussion, discussion) end def resources(conn, %{"name" => _name}) do handle_collection_route(conn, :resources) end def posts(conn, %{"name" => _name}) do handle_collection_route(conn, :posts) end def discussions(conn, %{"name" => _name}) do handle_collection_route(conn, :discussions) end def events(conn, %{"name" => _name}) do handle_collection_route(conn, :events) end def todos(conn, %{"name" => _name}) do handle_collection_route(conn, :todos) end @spec todo_list(Plug.Conn.t(), map) :: {:error, :not_found} | Plug.Conn.t() def todo_list(conn, %{"uuid" => uuid}) do {status, todo_list} = Cache.get_todo_list_by_uuid_with_preload(uuid) render_or_error(conn, &checks?/3, status, :todo_list, todo_list) end @spec todo(Plug.Conn.t(), map) :: {:error, :not_found} | Plug.Conn.t() def todo(conn, %{"uuid" => uuid}) do {status, todo} = Cache.get_todo_by_uuid_with_preload(uuid) render_or_error(conn, &checks?/3, status, :todo, todo) end @spec interact(Plug.Conn.t(), map()) :: Plug.Conn.t() | {:error, :not_found} def interact(conn, %{"uri" => uri}) do case ActivityPub.fetch_object_from_url(uri) do {:ok, %Event{uuid: uuid}} -> redirect(conn, to: "/events/#{uuid}") {:ok, %Comment{uuid: uuid}} -> redirect(conn, to: "/comments/#{uuid}") _ -> {:error, :not_found} end end defp handle_collection_route(conn, collection) do case get_format(conn) do "html" -> render(conn, :index) "activity-json" -> ActivityPubController.call(conn, collection) end end defp render_or_error(conn, check_fn, status, object_type, object) do case check_fn.(conn, status, object) do true -> case object do %Tombstone{} -> conn |> put_status(:gone) |> render(object_type, object: object) _ -> render(conn, object_type, object: object) end :remote -> redirect(conn, external: object.url) false -> {:error, :not_found} end end defp is_visible?(%{visibility: v}), do: v in [:public, :unlisted] defp is_visible?(%Tombstone{}), do: true defp is_visible?(_), do: true defp ok_status?(status), do: status in [:ok, :commit] defp ok_status?(_conn, status, _), do: ok_status?(status) defp ok_status_and_is_visible?(_conn, status, o), do: ok_status?(status) and is_visible?(o) defp checks?(conn, status, o) do if ok_status_and_is_visible?(conn, status, o) do if is_local?(o) == :remote && get_format(conn) == "activity-json", do: :remote, else: true else false end end defp is_local?(%{local: local}), do: if(local, do: true, else: :remote) defp is_local?(_), do: false end