distraction.party/lib/pleroma/web/plugs/authentication_plug.ex

73 lines
1.8 KiB
Elixir
Raw Normal View History

# Pleroma: A lightweight social networking server
# Copyright © 2017-2021 Pleroma Authors <https://pleroma.social/>
# SPDX-License-Identifier: AGPL-3.0-only
2020-06-24 08:16:09 +00:00
defmodule Pleroma.Web.Plugs.AuthenticationPlug do
@moduledoc "Password authentication plug."
alias Pleroma.Helpers.AuthHelper
2017-05-16 13:31:11 +00:00
alias Pleroma.User
import Plug.Conn
require Logger
2017-03-20 16:45:47 +00:00
2019-07-18 20:29:51 +00:00
def init(options), do: options
2017-03-20 16:45:47 +00:00
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
2019-07-18 20:29:51 +00:00
def checkpw(password, "$6" <> _ = password_hash) do
:crypt.crypt(password, password_hash) == password_hash
end
2019-07-15 15:36:51 +00:00
def checkpw(password, "$2" <> _ = password_hash) do
# Handle bcrypt passwords for Mastodon migration
Bcrypt.verify_pass(password, password_hash)
end
2019-07-18 20:29:51 +00:00
def checkpw(password, "$pbkdf2" <> _ = password_hash) do
2021-01-14 14:06:16 +00:00
Pleroma.Password.Pbkdf2.verify_pass(password, password_hash)
2019-07-18 20:29:51 +00:00
end
2019-07-15 15:36:51 +00:00
2019-07-18 20:29:51 +00:00
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
2017-03-20 16:45:47 +00:00
end