2019-12-11 15:29:31 +00:00
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# Pleroma: A lightweight social networking server
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# Copyright © 2017-2019 Pleroma Authors <https://pleroma.social/>
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# SPDX-License-Identifier: AGPL-3.0-only
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defmodule Pleroma.Captcha.Native do
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import Pleroma.Web.Gettext
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alias Pleroma.Captcha.Service
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@behaviour Service
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@impl Service
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def new do
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case Captcha.get() do
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2020-02-25 14:34:56 +00:00
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:error ->
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%{error: dgettext("errors", "Captcha error")}
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2019-12-11 15:29:31 +00:00
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{:ok, answer_data, img_binary} ->
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%{
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type: :native,
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token: token(),
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url: "data:image/png;base64," <> Base.encode64(img_binary),
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answer_data: answer_data
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}
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end
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end
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@impl Service
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def validate(_token, captcha, captcha) when not is_nil(captcha), do: :ok
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def validate(_token, _captcha, _answer), do: {:error, dgettext("errors", "Invalid CAPTCHA")}
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defp token do
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10
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|> :crypto.strong_rand_bytes()
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|> Base.url_encode64(padding: false)
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end
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end
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