honkoma/lib/pleroma/captcha/captcha_service.ex

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# Pleroma: A lightweight social networking server
2018-12-31 15:41:47 +00:00
# Copyright © 2017-2019 Pleroma Authors <https://pleroma.social/>
# SPDX-License-Identifier: AGPL-3.0-only
defmodule Pleroma.Captcha.Service do
@doc """
Request new captcha from a captcha service.
Returns:
Type/Name of the service, the token to identify the captcha,
the data of the answer and service-specific data to use the newly created captcha
"""
@callback new() :: %{
type: atom(),
token: String.t(),
answer_data: any()
}
@doc """
Validated the provided captcha solution.
Arguments:
* `token` the captcha is associated with
* `captcha` solution of the captcha to validate
* `answer_data` is the data needed to validate the answer (presumably encrypted)
Returns:
`true` if captcha is valid, `false` if not
"""
@callback validate(
token :: String.t(),
captcha :: String.t(),
answer_data :: any()
) :: :ok | {:error, String.t()}
end