philomena/lib/philomena_web/plugs/captcha_plug.ex
2020-01-10 23:20:19 -05:00

32 lines
699 B
Elixir

defmodule PhilomenaWeb.CaptchaPlug do
alias Philomena.Captcha
alias Phoenix.Controller
alias Plug.Conn
def init([]), do: false
def call(conn, _opts) do
user = conn |> Pow.Plug.current_user()
conn
|> maybe_check_captcha(user)
end
defp maybe_check_captcha(conn, nil) do
case Captcha.valid_solution?(conn.params) do
true ->
conn
false ->
conn
|> Controller.put_flash(
:error,
"There was an error verifying you're not a robot. Please try again."
)
|> Controller.redirect(external: conn.assigns.referrer)
|> Conn.halt()
end
end
defp maybe_check_captcha(conn, _user), do: conn
end