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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.Plugs.LegacyAuthenticationPlug do
   6   import Plug.Conn
   7
   8   alias Pleroma.Plugs.OAuthScopesPlug
   9   alias Pleroma.User
  10
  11   def init(options) do
  12     options
  13   end
  14
  15   def call(%{assigns: %{user: %User{}}} = conn, _), do: conn
  16
  17   def call(
  18         %{
  19           assigns: %{
  20             auth_user: %{password_hash: "$6$" <> _ = password_hash} = auth_user,
  21             auth_credentials: %{password: password}
  22           }
  23         } = conn,
  24         _
  25       ) do
  26     with ^password_hash <- :crypt.crypt(password, password_hash),
  27          {:ok, user} <-
  28            User.reset_password(auth_user, %{password: password, password_confirmation: password}) do
  29       conn
  30       |> assign(:auth_user, user)
  31       |> assign(:user, user)
  32       |> OAuthScopesPlug.skip_plug()
  33     else
  34       _ ->
  35         conn
  36     end
  37   end
  38
  39   def call(conn, _) do
  40     conn
  41   end
  42 end