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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.Web.OAuth.Token do
   6   use Ecto.Schema
   7
   8   import Ecto.Query
   9
  10   alias Pleroma.{User, Repo}
  11   alias Pleroma.Web.OAuth.{Token, App, Authorization}
  12
  13   schema "oauth_tokens" do
  14     field(:token, :string)
  15     field(:refresh_token, :string)
  16     field(:valid_until, :naive_datetime)
  17     belongs_to(:user, Pleroma.User)
  18     belongs_to(:app, App)
  19
  20     timestamps()
  21   end
  22
  23   def exchange_token(app, auth) do
  24     with {:ok, auth} <- Authorization.use_token(auth),
  25          true <- auth.app_id == app.id do
  26       create_token(app, Repo.get(User, auth.user_id))
  27     end
  28   end
  29
  30   def create_token(%App{} = app, %User{} = user) do
  31     token = :crypto.strong_rand_bytes(32) |> Base.url_encode64()
  32     refresh_token = :crypto.strong_rand_bytes(32) |> Base.url_encode64()
  33
  34     token = %Token{
  35       token: token,
  36       refresh_token: refresh_token,
  37       user_id: user.id,
  38       app_id: app.id,
  39       valid_until: NaiveDateTime.add(NaiveDateTime.utc_now(), 60 * 10)
  40     }
  41
  42     Repo.insert(token)
  43   end
  44
  45   def delete_user_tokens(%User{id: user_id}) do
  46     from(
  47       t in Pleroma.Web.OAuth.Token,
  48       where: t.user_id == ^user_id
  49     )
  50     |> Repo.delete_all()
  51   end
  52 end