Pleroma/lib/pleroma/web/oauth/token/strategy/refresh_token.ex

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# Pleroma: A lightweight social networking server
# Copyright © 2017-2019 Pleroma Authors <https://pleroma.social/>
# SPDX-License-Identifier: AGPL-3.0-only
defmodule Pleroma.Web.OAuth.Token.Strategy.RefreshToken do
@moduledoc """
Functions for dealing with refresh token strategy.
"""
alias Pleroma.Config
alias Pleroma.Repo
alias Pleroma.Web.OAuth.Token
alias Pleroma.Web.OAuth.Token.Strategy.Revoke
@doc """
Will grant access token by refresh token.
"""
@spec grant(Token.t()) :: {:ok, Token.t()} | {:error, any()}
def grant(token) do
access_token = Repo.preload(token, [:user, :app])
result =
Repo.transaction(fn ->
token_params = %{
app: access_token.app,
user: access_token.user,
scopes: access_token.scopes
}
access_token
|> revoke_access_token()
|> create_access_token(token_params)
end)
case result do
{:ok, {:error, reason}} -> {:error, reason}
{:ok, {:ok, token}} -> {:ok, token}
{:error, reason} -> {:error, reason}
end
end
defp revoke_access_token(token) do
Revoke.revoke(token)
end
defp create_access_token({:error, error}, _), do: {:error, error}
defp create_access_token({:ok, token}, %{app: app, user: user} = token_params) do
Token.create_token(app, user, add_refresh_token(token_params, token.refresh_token))
end
defp add_refresh_token(params, token) do
case Config.get([:oauth2, :issue_new_refresh_token], false) do
true -> Map.put(params, :refresh_token, token)
false -> params
end
end
end