37 lines
1 KiB
Elixir
37 lines
1 KiB
Elixir
# Pleroma: A lightweight social networking server
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# Copyright © 2017-2020 Pleroma Authors <https://pleroma.social/>
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# SPDX-License-Identifier: AGPL-3.0-only
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defmodule Pleroma.Captcha.Service do
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@doc """
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Request new captcha from a captcha service.
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Returns:
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Type/Name of the service, the token to identify the captcha,
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the data of the answer and service-specific data to use the newly created captcha
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"""
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@callback new() :: %{
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type: atom(),
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token: String.t(),
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answer_data: any()
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}
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@doc """
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Validated the provided captcha solution.
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Arguments:
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* `token` the captcha is associated with
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* `captcha` solution of the captcha to validate
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* `answer_data` is the data needed to validate the answer (presumably encrypted)
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Returns:
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`true` if captcha is valid, `false` if not
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"""
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@callback validate(
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token :: String.t(),
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captcha :: String.t(),
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answer_data :: any()
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) :: :ok | {:error, String.t()}
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end
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