39 lines
1.1 KiB
Elixir
39 lines
1.1 KiB
Elixir
# 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.Kocaptcha 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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endpoint = Pleroma.Config.get!([__MODULE__, :endpoint])
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case Tesla.get(endpoint <> "/new") do
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{:error, _} ->
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%{error: dgettext("errors", "Kocaptcha service unavailable")}
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{:ok, res} ->
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json_resp = Jason.decode!(res.body)
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%{
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type: :kocaptcha,
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token: json_resp["token"],
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url: endpoint <> json_resp["url"],
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answer_data: json_resp["md5"]
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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, answer_data) do
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# Here the token is unsed, because the unencrypted captcha answer is just passed to method
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if not is_nil(captcha) and
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:crypto.hash(:md5, captcha) |> Base.encode16() == String.upcase(answer_data),
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do: :ok,
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else: {:error, dgettext("errors", "Invalid CAPTCHA")}
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end
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end
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