forked from AkkomaGang/akkoma
66 lines
1.6 KiB
Elixir
66 lines
1.6 KiB
Elixir
defmodule Pleroma.Captcha do
|
|
use GenServer
|
|
|
|
@ets_options [:ordered_set, :private, :named_table, {:read_concurrency, true}]
|
|
|
|
@doc false
|
|
def start_link() do
|
|
GenServer.start_link(__MODULE__, [], name: __MODULE__)
|
|
end
|
|
|
|
@doc false
|
|
def init(_) do
|
|
# Create a ETS table to store captchas
|
|
ets_name = Module.concat(method(), Ets)
|
|
^ets_name = :ets.new(Module.concat(method(), Ets), @ets_options)
|
|
|
|
# Clean up old captchas every few minutes
|
|
seconds_retained = Pleroma.Config.get!([__MODULE__, :seconds_retained])
|
|
Process.send_after(self(), :cleanup, 1000 * seconds_retained)
|
|
|
|
{:ok, nil}
|
|
end
|
|
|
|
@doc """
|
|
Ask the configured captcha service for a new captcha
|
|
"""
|
|
def new() do
|
|
GenServer.call(__MODULE__, :new)
|
|
end
|
|
|
|
@doc """
|
|
Ask the configured captcha service to validate the captcha
|
|
"""
|
|
def validate(token, captcha) do
|
|
GenServer.call(__MODULE__, {:validate, token, captcha})
|
|
end
|
|
|
|
@doc false
|
|
def handle_call(:new, _from, state) do
|
|
enabled = Pleroma.Config.get([__MODULE__, :enabled])
|
|
|
|
if !enabled do
|
|
{:reply, %{type: :none}, state}
|
|
else
|
|
{:reply, method().new(), state}
|
|
end
|
|
end
|
|
|
|
@doc false
|
|
def handle_call({:validate, token, captcha}, _from, state) do
|
|
{:reply, method().validate(token, captcha), state}
|
|
end
|
|
|
|
@doc false
|
|
def handle_info(:cleanup, state) do
|
|
:ok = method().cleanup()
|
|
|
|
seconds_retained = Pleroma.Config.get!([__MODULE__, :seconds_retained])
|
|
# Schedule the next clenup
|
|
Process.send_after(self(), :cleanup, 1000 * seconds_retained)
|
|
|
|
{:noreply, state}
|
|
end
|
|
|
|
defp method, do: Pleroma.Config.get!([__MODULE__, :method])
|
|
end
|