add license boilerplate to pleroma core

[akkoma] / lib / pleroma / captcha / captcha_service.ex

diff --git a/lib/pleroma/captcha/captcha_service.ex b/lib/pleroma/captcha/captcha_service.ex
index 907a73ad06477bdda81f40a2a3442f67b9ade15e..6037b708709ef4c0d4ce336eb22f371d61626651 100644 (file)
--- a/lib/pleroma/captcha/captcha_service.ex
+++ b/lib/pleroma/captcha/captcha_service.ex
@@ -1,3 +1,7 @@
+# Pleroma: A lightweight social networking server
+# Copyright © 2017-2018 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.
@@ -20,4 +24,9 @@ defmodule Pleroma.Captcha.Service do
   `true` if captcha is valid, `false` if not
   """
   @callback validate(token :: String.t(), captcha :: String.t()) :: boolean
+
+  @doc """
+  This function is called periodically to clean up old captchas
+  """
+  @callback cleanup() :: :ok
 end