authentication_plug.ex (2020B)
- # Pleroma: A lightweight social networking server
- # Copyright © 2017-2020 Pleroma Authors <https://pleroma.social/>
- # SPDX-License-Identifier: AGPL-3.0-only
- defmodule Pleroma.Plugs.AuthenticationPlug do
- alias Pleroma.Plugs.OAuthScopesPlug
- 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)
- |> 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