+# Pleroma: A lightweight social networking server
+# Copyright © 2017-2018 Pleroma Authors <https://pleroma.social/>
+# SPDX-License-Identifier: AGPL-3.0-only
+
defmodule Pleroma.Captcha.Kocaptcha do
+ alias Calendar.DateTime
+
alias Pleroma.Captcha.Service
@behaviour Service
token = json_resp["token"]
- true = :ets.insert(@ets, {token, json_resp["md5"]})
+ true =
+ :ets.insert(
+ @ets,
+ {token, json_resp["md5"], DateTime.now_utc() |> DateTime.Format.unix()}
+ )
%{type: :kocaptcha, token: token, url: endpoint <> json_resp["url"]}
end
@impl Service
def validate(token, captcha) do
with false <- is_nil(captcha),
- [{^token, saved_md5}] <- :ets.lookup(@ets, token),
+ [{^token, saved_md5, _}] <- :ets.lookup(@ets, token),
true <- :crypto.hash(:md5, captcha) |> Base.encode16() == String.upcase(saved_md5) do
# Clear the saved value
:ets.delete(@ets, token)
_ -> false
end
end
+
+ @impl Service
+ def cleanup() do
+ seconds_retained = Pleroma.Config.get!([Pleroma.Captcha, :seconds_retained])
+ # If the time in ETS is less than current_time - seconds_retained, then the time has
+ # already passed
+ delete_after =
+ DateTime.subtract!(DateTime.now_utc(), seconds_retained) |> DateTime.Format.unix()
+
+ :ets.select_delete(
+ @ets,
+ [
+ {
+ {:_, :_, :"$1"},
+ [{:<, :"$1", {:const, delete_after}}],
+ [true]
+ }
+ ]
+ )
+
+ :ok
+ end
end