git.squeep.com Git - akkoma/blob - lib/pleroma/web/oauth/token/strategy/refresh_token.ex

   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.Web.OAuth.Token.Strategy.RefreshToken do
   6   @moduledoc """
   7   Functions for dealing with refresh token strategy.
   8   """
   9
  10   alias Pleroma.Config
  11   alias Pleroma.Repo
  12   alias Pleroma.Web.OAuth.Token
  13   alias Pleroma.Web.OAuth.Token.Strategy.Revoke
  14
  15   @doc """
  16   Will grant access token by refresh token.
  17   """
  18   @spec grant(Token.t()) :: {:ok, Token.t()} | {:error, any()}
  19   def grant(token) do
  20     access_token = Repo.preload(token, [:user, :app])
  21
  22     result =
  23       Repo.transaction(fn ->
  24         token_params = %{
  25           app: access_token.app,
  26           user: access_token.user,
  27           scopes: access_token.scopes
  28         }
  29
  30         access_token
  31         |> revoke_access_token()
  32         |> create_access_token(token_params)
  33       end)
  34
  35     case result do
  36       {:ok, {:error, reason}} -> {:error, reason}
  37       {:ok, {:ok, token}} -> {:ok, token}
  38       {:error, reason} -> {:error, reason}
  39     end
  40   end
  41
  42   defp revoke_access_token(token) do
  43     Revoke.revoke(token)
  44   end
  45
  46   defp create_access_token({:error, error}, _), do: {:error, error}
  47
  48   defp create_access_token({:ok, token}, %{app: app, user: user} = token_params) do
  49     Token.create_token(app, user, add_refresh_token(token_params, token.refresh_token))
  50   end
  51
  52   defp add_refresh_token(params, token) do
  53     case Config.get([:oauth2, :issue_new_refresh_token], false) do
  54       true -> Map.put(params, :refresh_token, token)
  55       false -> params
  56     end
  57   end
  58 end