- json_resp = Poison.decode!(res.body)
-
- token = json_resp["token"]
-
- true =
- :ets.insert(
- @ets,
- {token, json_resp["md5"], DateTime.now_utc() |> DateTime.Format.unix()}
- )
-
- %{type: :kocaptcha, token: token, url: endpoint <> json_resp["url"]}
- end
- end
-
- @impl Service
- 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)