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ext.php
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<?php
/**
* hCaptcha extension for phpBB.
* @author Alfredo Ramos <[email protected]>
* @copyright 2021 Alfredo Ramos
* @license GPL-2.0-only
*/
namespace alfredoramos\hcaptcha;
use phpbb\extension\base;
class ext extends base
{
/**
* {@inheritdoc}
*/
public function is_enableable()
{
return phpbb_version_compare(PHPBB_VERSION, '3.3.0', '>=');
}
/**
* {@inheritdoc}
*/
public function enable_step($old_state)
{
$parent_state = parent::enable_step($old_state);
if ($parent_state === false)
{
$this->handle_hcaptcha('enable');
}
return $parent_state;
}
/**
* {@inheritdoc}
*/
public function disable_step($old_state)
{
switch ($old_state)
{
case '':
$state = $this->handle_hcaptcha('disable');
break;
default:
$state = parent::disable_step($old_state);
break;
}
return $state;
}
/**
* {@inheritdoc}
*/
public function purge_step($old_state)
{
switch ($old_state)
{
case '':
$state = $this->handle_hcaptcha('purge');
break;
default:
$state = parent::purge_step($old_state);
break;
}
return $state;
}
/**
* hCaptcha step configuration handler.
*
* @param string $step The name of the step.
*
* @return bool|string
*/
private function handle_hcaptcha($step = '')
{
if (empty($step))
{
return false;
}
$config = $this->container->get('config');
$fallback_service = 'core.captcha.plugins.gd';
$hcaptcha_service = 'alfredoramos.hcaptcha.captcha.hcaptcha';
switch ($step)
{
case 'enable':
$old_captcha = !empty($config->offsetGet('old_captcha_plugin')) ? $config->offsetGet('old_captcha_plugin') : $fallback_service;
$current_captcha = $config->offsetGet('captcha_plugin');
$config->set('old_captcha_plugin', $current_captcha);
if ($old_captcha === $hcaptcha_service)
{
$config->set('captcha_plugin', $hcaptcha_service);
}
break;
case 'disable':
$old_captcha = !empty($config->offsetGet('old_captcha_plugin')) ? $config->offsetGet('old_captcha_plugin') : $fallback_service;
$old_captcha = ($old_captcha !== $hcaptcha_service) ? $old_captcha : $fallback_service;
$current_captcha = $config->offsetGet('captcha_plugin');
$config->set('old_captcha_plugin', $current_captcha);
if ($current_captcha === $hcaptcha_service)
{
$config->set('captcha_plugin', $old_captcha);
}
break;
case 'purge':
$config->delete('old_captcha_plugin');
break;
}
return 'hcaptcha_handled';
}
}