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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.Auth.PleromaAuthenticator do
   6   alias Comeonin.Pbkdf2
   7   alias Pleroma.User
   8
   9   @behaviour Pleroma.Web.Auth.Authenticator
  10
  11   def get_user(%Plug.Conn{} = conn) do
  12     {name, password} =
  13       case conn.params do
  14         %{"authorization" => %{"name" => name, "password" => password}} ->
  15           {name, password}
  16
  17         %{"grant_type" => "password", "username" => name, "password" => password} ->
  18           {name, password}
  19       end
  20
  21     with {_, %User{} = user} <- {:user, User.get_by_nickname_or_email(name)},
  22          {_, true} <- {:checkpw, Pbkdf2.checkpw(password, user.password_hash)} do
  23       {:ok, user}
  24     else
  25       error ->
  26         {:error, error}
  27     end
  28   end
  29
  30   def handle_error(%Plug.Conn{} = _conn, error) do
  31     error
  32   end
  33
  34   def auth_template, do: nil
  35 end