clacks/lib/clacks_web/plug/web_authenticate.ex

42 lines
1.1 KiB
Elixir

defmodule ClacksWeb.Plug.WebAuthenticate do
import Plug.Conn
alias Clacks.{Repo, User}
alias ClacksWeb.Router.Helpers, as: Routes
alias ClacksWeb.Endpoint
def init(%{on_failure: on_failure_action} = opts)
when on_failure_action in [:redirect_to_login, :pass],
do: opts
def init(_), do: %{on_failure: :redirect_to_login}
def call(conn, %{on_failure: on_failure_action}) do
user_token = get_session(conn, :user_token)
case Phoenix.Token.verify(Endpoint, "user token", user_token, max_age: 7 * 24 * 60 * 60) do
{:error, _reason} ->
on_failure(conn, on_failure_action)
{:ok, user_id} ->
case Repo.get(User, user_id) do
nil ->
on_failure(conn, on_failure_action)
user ->
user = Repo.preload(user, :actor)
assign(conn, :user, user)
end
end
end
defp on_failure(conn, :redirect_to_login) do
conn
|> Phoenix.Controller.redirect(to: Routes.login_path(Endpoint, :login))
|> halt()
end
defp on_failure(conn, :pass) do
conn
end
end