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   1 # Pleroma: A lightweight social networking server
   2 # Copyright © 2017-2018 Pleroma Authors <https://pleroma.social/>
   3 # SPDX-License-Identifier: AGPL-3.0-only
   4
   5 defmodule Pleroma.Plugs.AuthenticationPlug do
   6   alias Comeonin.Pbkdf2
   7   import Plug.Conn
   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: password_hash} = auth_user,
  20             auth_credentials: %{password: password}
  21           }
  22         } = conn,
  23         _
  24       ) do
  25     if Pbkdf2.checkpw(password, password_hash) do
  26       conn
  27       |> assign(:user, auth_user)
  28     else
  29       conn
  30     end
  31   end
  32
  33   def call(%{assigns: %{auth_credentials: %{password: _}}} = conn, _) do
  34     Pbkdf2.dummy_checkpw()
  35     conn
  36   end
  37
  38   def call(conn, _), do: conn
  39 end