# Pleroma: A lightweight social networking server # Copyright © 2017-2020 Pleroma Authors <https://pleroma.social/> # SPDX-License-Identifier: AGPL-3.0-only defmodule Pleroma.Web.Plugs.AuthenticationPlug do alias Pleroma.User import Plug.Conn require Logger def init(options), do: options def checkpw(password, "$6" <> _ = password_hash) do :crypt.crypt(password, password_hash) == password_hash end def checkpw(password, "$2" <> _ = password_hash) do # Handle bcrypt passwords for Mastodon migration Bcrypt.verify_pass(password, password_hash) end def checkpw(password, "$pbkdf2" <> _ = password_hash) do Pbkdf2.verify_pass(password, password_hash) end def checkpw(_password, _password_hash) do Logger.error("Password hash not recognized") false end def maybe_update_password(%User{password_hash: "$2" <> _} = user, password) do do_update_password(user, password) end def maybe_update_password(%User{password_hash: "$6" <> _} = user, password) do do_update_password(user, password) end def maybe_update_password(user, _), do: {:ok, user} defp do_update_password(user, password) do user |> User.password_update_changeset(%{ "password" => password, "password_confirmation" => password }) |> Pleroma.Repo.update() end def call(%{assigns: %{user: %User{}}} = conn, _), do: conn def call( %{ assigns: %{ auth_user: %{password_hash: password_hash} = auth_user, auth_credentials: %{password: password} } } = conn, _ ) do if checkpw(password, password_hash) do {:ok, auth_user} = maybe_update_password(auth_user, password) conn |> assign(:user, auth_user) |> Pleroma.Web.Plugs.OAuthScopesPlug.skip_plug() else conn end end def call(%{assigns: %{auth_credentials: %{password: _}}} = conn, _) do Pbkdf2.no_user_verify() conn end def call(conn, _), do: conn end