meta/lib/meta_web/controllers/user_confirmation_controller.ex
2021-04-12 15:44:12 +02:00

53 lines
1.6 KiB
Elixir

defmodule MetaWeb.UserConfirmationController do
use MetaWeb, :controller
alias Meta.Accounts
def new(conn, _params) do
render(conn, "new.html")
end
def create(conn, %{"user" => %{"username" => username}}) do
if user = Accounts.get_user_by_username(username) do
Accounts.deliver_user_confirmation_instructions(
user,
&Routes.user_confirmation_url(conn, :confirm, &1)
)
end
# Regardless of the outcome, show an impartial success/error message.
conn
|> put_flash(
:info,
"If your email is in our system and it has not been confirmed yet, " <>
"you will receive an email with instructions shortly."
)
|> redirect(to: "/")
end
# Do not log in the user after confirmation to avoid a
# leaked token giving the user access to the account.
def confirm(conn, %{"token" => token}) do
case Accounts.confirm_user(token) do
{:ok, _} ->
conn
|> put_flash(:info, "Account confirmed successfully.")
|> redirect(to: "/")
:error ->
# If there is a current user and the account was already confirmed,
# then odds are that the confirmation link was already visited, either
# by some automation or by the user themselves, so we redirect without
# a warning message.
case conn.assigns do
%{current_user: %{confirmed_at: confirmed_at}} when not is_nil(confirmed_at) ->
redirect(conn, to: "/")
%{} ->
conn
|> put_flash(:error, "Account confirmation link is invalid or it has expired.")
|> redirect(to: "/")
end
end
end
end