- def validate(token, captcha) do
- with false <- is_nil(captcha),
- [{^token, saved_md5, _}] <- :ets.lookup(@ets, token),
- true <- :crypto.hash(:md5, captcha) |> Base.encode16() == String.upcase(saved_md5) do
- # Clear the saved value
- :ets.delete(@ets, token)
-
- true
- else
- _ -> false
- end
- end
-
- @impl Service
- def cleanup() do
- seconds_retained = Pleroma.Config.get!([Pleroma.Captcha, :seconds_retained])
-
- # Go through captchas and remove expired ones
- :ets.tab2list(@ets)
- |> Enum.each(fn {token, _, time_inserted} ->
- # time created + expiration time = time when the captcha should be removed
- remove_time = DateTime.add!(time_inserted, seconds_retained)
- if DateTime.after?(DateTime.now_utc(), remove_time), do: :ets.delete(@ets, token)
- end)
-
- :ok
+ def validate(_token, captcha, answer_data) do
+ # Here the token is unsed, because the unencrypted captcha answer is just passed to method
+ if not is_nil(captcha) and
+ :crypto.hash(:md5, captcha) |> Base.encode16() == String.upcase(answer_data),
+ do: :ok,
+ else: {:error, "Invalid CAPTCHA"}