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   1 # Pleroma: A lightweight social networking server
   2 # Copyright © 2017-2021 Pleroma Authors <https://pleroma.social/>
   3 # SPDX-License-Identifier: AGPL-3.0-only
   4
   5 defmodule Pleroma.Web.Plugs.EnsureAuthenticatedPlug do
   6   @moduledoc """
   7   Ensures _user_ authentication (app-bound user-unbound tokens are not accepted).
   8   """
   9
  10   import Plug.Conn
  11   import Pleroma.Web.TranslationHelpers
  12
  13   alias Pleroma.User
  14
  15   use Pleroma.Web, :plug
  16
  17   def init(options) do
  18     options
  19   end
  20
  21   @impl true
  22   def perform(
  23         %{
  24           assigns: %{
  25             auth_credentials: %{password: _},
  26             user: %User{multi_factor_authentication_settings: %{enabled: true}}
  27           }
  28         } = conn,
  29         _
  30       ) do
  31     conn
  32     |> render_error(:forbidden, "Two-factor authentication enabled, you must use a access token.")
  33     |> halt()
  34   end
  35
  36   def perform(%{assigns: %{user: %User{}}} = conn, _) do
  37     conn
  38   end
  39
  40   def perform(conn, _) do
  41     conn
  42     |> render_error(:forbidden, "Invalid credentials.")
  43     |> halt()
  44   end
  45 end