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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.Helpers.AuthHelper do
   6   alias Pleroma.Web.Plugs.OAuthScopesPlug
   7   alias Plug.Conn
   8
   9   import Plug.Conn
  10
  11   @oauth_token_session_key :oauth_token
  12
  13   @doc """
  14   Skips OAuth permissions (scopes) checks, assigns nil `:token`.
  15   Intended to be used with explicit authentication and only when OAuth token cannot be determined.
  16   """
  17   def skip_oauth(conn) do
  18     conn
  19     |> assign(:token, nil)
  20     |> OAuthScopesPlug.skip_plug()
  21   end
  22
  23   def drop_auth_info(conn) do
  24     conn
  25     |> assign(:user, nil)
  26     |> assign(:token, nil)
  27   end
  28
  29   def get_session_token(%Conn{} = conn) do
  30     get_session(conn, @oauth_token_session_key)
  31   end
  32
  33   def put_session_token(%Conn{} = conn, token) when is_binary(token) do
  34     put_session(conn, @oauth_token_session_key, token)
  35   end
  36
  37   def delete_session_token(%Conn{} = conn) do
  38     delete_session(conn, @oauth_token_session_key)
  39   end
  40 end