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   1 # Pleroma: A lightweight social networking server
   2 # Copyright © 2017-2020 Pleroma Authors <https://pleroma.social/>
   3 # SPDX-License-Identifier: AGPL-3.0-only
   4
   5 defmodule Pleroma.Web.Plugs.EnsurePublicOrAuthenticatedPlug do
   6   import Pleroma.Web.TranslationHelpers
   7   import Plug.Conn
   8
   9   alias Pleroma.Config
  10   alias Pleroma.User
  11
  12   use Pleroma.Web, :plug
  13
  14   def init(options) do
  15     options
  16   end
  17
  18   @impl true
  19   def perform(conn, _) do
  20     public? = Config.get!([:instance, :public])
  21
  22     case {public?, conn} do
  23       {true, _} ->
  24         conn
  25
  26       {false, %{assigns: %{user: %User{}}}} ->
  27         conn
  28
  29       {false, _} ->
  30         conn
  31         |> render_error(:forbidden, "This resource requires authentication.")
  32         |> halt
  33     end
  34   end
  35 end