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