# Pleroma: A lightweight social networking server # Copyright © 2017-2020 Pleroma Authors <https://pleroma.social/> # SPDX-License-Identifier: AGPL-3.0-only defmodule Pleroma.Captcha.Native do import Pleroma.Web.Gettext alias Pleroma.Captcha.Service @behaviour Service @impl Service def new do case Captcha.get() do :error -> %{error: dgettext("errors", "Captcha error")} {:ok, answer_data, img_binary} -> %{ type: :native, token: token(), url: "data:image/png;base64," <> Base.encode64(img_binary), answer_data: answer_data } end end @impl Service def validate(_token, captcha, captcha) when not is_nil(captcha), do: :ok def validate(_token, _captcha, _answer), do: {:error, dgettext("errors", "Invalid CAPTCHA")} defp token do 10 |> :crypto.strong_rand_bytes() |> Base.url_encode64(padding: false) end end