73 lines
1.8 KiB
Elixir
73 lines
1.8 KiB
Elixir
# 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
|
|
@moduledoc "Password authentication plug."
|
|
|
|
alias Pleroma.Helpers.AuthHelper
|
|
alias Pleroma.User
|
|
|
|
import Plug.Conn
|
|
|
|
require Logger
|
|
|
|
def init(options), do: options
|
|
|
|
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)
|
|
|> AuthHelper.skip_oauth()
|
|
else
|
|
conn
|
|
end
|
|
end
|
|
|
|
def call(conn, _), do: conn
|
|
|
|
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.reset_password(user, %{password: password, password_confirmation: password})
|
|
end
|
|
end
|