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   1 # Pleroma: A lightweight social networking server
   2 # Copyright © 2017-2019 Pleroma Authors <https://pleroma.social/>
   3 # SPDX-License-Identifier: AGPL-3.0-only
   4
   5 defmodule Pleroma.Plugs.EnsurePublicOrAuthenticatedPlug do
   6   import Plug.Conn
   7   alias Pleroma.Config
   8   alias Pleroma.User
   9
  10   def init(options) do
  11     options
  12   end
  13
  14   def call(conn, _) do
  15     public? = Config.get!([:instance, :public])
  16
  17     case {public?, conn} do
  18       {true, _} ->
  19         conn
  20
  21       {false, %{assigns: %{user: %User{}}}} ->
  22         conn
  23
  24       {false, _} ->
  25         conn
  26         |> put_resp_content_type("application/json")
  27         |> send_resp(403, Jason.encode!(%{error: "This resource requires authentication."}))
  28         |> halt
  29     end
  30   end
  31 end