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<?php
/**
* @package Joomla
* @subpackage Membership Pro
* @author Tuan Pham Ngoc
* @copyright Copyright (C) 2012 - 2026 Ossolution Team
* @license GNU/GPL, see LICENSE.php
*/
namespace JoomDonation\MembershipPro\Plugin\System\URLsRestriction\Extension;
use Joomla\CMS\Component\ComponentHelper;
use Joomla\CMS\Language\Text;
use Joomla\CMS\Plugin\CMSPlugin;
use Joomla\CMS\Plugin\PluginHelper;
use Joomla\CMS\Uri\Uri;
use Joomla\Database\DatabaseAwareTrait;
use Joomla\Event\DispatcherInterface;
use Joomla\Event\Event;
use Joomla\Event\SubscriberInterface;
use MPFEventResult;
defined('_JEXEC') or die;
class URLsRestriction extends CMSPlugin implements SubscriberInterface
{
use DatabaseAwareTrait;
use MPFEventResult;
public static function getSubscribedEvents(): array
{
return [
'onAfterInitialise' => 'onAfterInitialise',
'onEditSubscriptionPlan' => 'onEditSubscriptionPlan',
'onPlansAfterDelete' => 'onPlansAfterDelete',
'onAfterSaveSubscriptionPlan' => 'onAfterSaveSubscriptionPlan',
'onProfileDisplay' => 'onProfileDisplay',
];
}
/**
* Constructor.
*
* @param DispatcherInterface $dispatcher The dispatcher
* @param array $config An optional associative array of configuration settings
*/
public function __construct(DispatcherInterface $dispatcher, array $config)
{
parent::__construct($dispatcher, $config);
}
/**
* Register listeners
*
* @return void
*/
public function registerListeners()
{
if (!ComponentHelper::isEnabled('com_osmembership'))
{
return;
}
parent::registerListeners();
}
/**
* Render settings form
*
* @param Event $event
*
* @return void
*/
public function onEditSubscriptionPlan(Event $event): void
{
/* @var \OSMembershipTablePlan $row */
[$row] = array_values($event->getArguments());
if (!$this->isExecutable())
{
return;
}
ob_start();
$this->loadLanguage();
$this->drawSettingForm($row);
$form = ob_get_contents();
ob_end_clean();
$result = [
'title' => Text::_('PLG_OSMEMBERSHIP_JOOMLA_URLS_SETTINGS'),
'form' => $form,
];
$this->addResult($event, $result);
}
/**
* Store setting into database
*
* @param Event $event
*
* @return void
*/
public function onAfterSaveSubscriptionPlan(Event $event): void
{
/**
* @var string $context
* @var \OSMembershipTablePlan $row
* @var array $data
* @var $isNew
*/
[$context, $row, $data, $isNew] = array_values($event->getArguments());
if (!$this->isExecutable())
{
return;
}
$db = $this->getDatabase();
$query = $db->getQuery(true);
$urls = array_filter(explode("\r\n", $data['urls']));
$titles = array_filter(explode("\r\n", $data['titles']));
if (!$isNew)
{
$query->delete('#__osmembership_urls')
->where('plan_id = ' . $row->id);
$db->setQuery($query);
$db->execute();
$query->clear();
}
if (count($urls))
{
$query->insert('#__osmembership_urls')
->columns('plan_id, url, title');
foreach ($urls as $i => $url)
{
$url = trim($url);
if ($url)
{
$title = !empty($titles[$i]) ? $titles[$i] : '';
$url = $db->quote($url);
$title = $db->quote($title);
$query->values("$row->id, $url, $title");
}
}
$db->setQuery($query);
$db->execute();
}
}
/**
* Delete URLs settings from plans when plans deleted
*
* @param Event $event
*
* @return void
*/
public function onPlansAfterDelete(Event $event): void
{
/**
* @var string $context
* @var array $pks
*/
[$context, $pks] = array_values($event->getArguments());
if (!count($pks))
{
return;
}
$db = $this->getDatabase();
$query = $db->getQuery(true)
->delete('#__osmembership_urls')
->whereIn('plan_id', $pks);
$db->setQuery($query)
->execute();
}
/**
* Display form allows users to change setting for this subscription plan
*
* @param object $row
*/
private function drawSettingForm($row)
{
$urls = [];
$titles = [];
if ($row->id > 0)
{
$db = $this->getDatabase();
$query = $db->getQuery(true);
$query->select('title, url')
->from('#__osmembership_urls')
->where('plan_id = ' . $row->id);
$db->setQuery($query);
$rows = $db->loadObjectList();
foreach ($rows as $row)
{
$urls[] = $row->url;
$titles[] = $row->title;
}
}
require PluginHelper::getLayoutPath($this->_type, $this->_name, 'form');
}
/**
* Restrict access to the current URL if it is needed
*
* @param Event $event
*
* @return void
* @throws \Exception
*/
public function onAfterInitialise(Event $event): void
{
$app = $this->getApplication();
if (!$app->isClient('site'))
{
return;
}
if ($app->getIdentity()->authorise('core.admin'))
{
return;
}
$currentUrl = trim(Uri::getInstance()->toString());
//remove www in the url
$currentUrl = str_replace('www.', '', $currentUrl);
$siteUrl = Uri::root();
$siteUrl = str_replace('www.', '', $siteUrl);
if ($siteUrl == $currentUrl)
{
//Don't prevent access to homepage
return;
}
$planIds = $this->getRequiredPlanIds($currentUrl);
$db = $this->getDatabase();
$query = $db->getQuery(true);
$query->select('id')
->from('#__osmembership_plans')
->where('published = 0');
$db->setQuery($query);
$unpublishedPlanIds = $db->loadColumn();
$planIds = array_diff($planIds, $unpublishedPlanIds);
if (count($planIds))
{
//Check to see the current user has an active subscription plans
$activePlans = \OSMembershipHelperSubscription::getActiveMembershipPlans();
if (!count(array_intersect($planIds, $activePlans)))
{
//Load language file
\OSMembershipHelper::loadLanguage();
//Get title of these subscription plans
$query->clear()
->select('title')
->from('#__osmembership_plans')
->whereIn('id', $planIds)
->where('published = 1')
->order('ordering');
$db->setQuery($query);
$planTitles = implode(' ' . Text::_('OSM_OR') . ' ', $db->loadColumn());
$msg = Text::_('OS_MEMBERSHIP_URL_ACCESS_RESITRICTED');
$msg = str_replace('[PLAN_TITLES]', $planTitles, $msg);
// Try to find the best redirect URL
$redirectUrl = \OSMembershipHelper::callOverridableHelperMethod(
'Helper',
'getPluginRestrictionRedirectUrl',
[$this->params, $planIds]
);
// Store URL of this page to redirect user back after user logged in if they have active subscription of this plan
$session = $app->getSession();
$session->set('osm_return_url', Uri::getInstance()->toString());
$session->set('required_plan_ids', $planIds);
$app->enqueueMessage($msg);
$app->redirect($redirectUrl);
}
}
}
/**
* Display list of accessible URLs on profile page
*
* @param Event $event
*
* @return void
*/
public function onProfileDisplay(Event $event): void
{
/* @var \OSMembershipTableSubscriber $row */
[$row] = array_values($event->getArguments());
if (!$this->params->get('display_urls_in_profile'))
{
return;
}
ob_start();
$this->displayUrls($row);
$form = ob_get_clean();
$result = [
'title' => Text::_('OSM_MY_PAGES'),
'form' => $form,
];
$this->addResult($event, $result);
}
/**
* Method to get the required plan Ids to access to the given URLs
*
* @param string $url
*
* @return array
*/
protected function getRequiredPlanIds($url)
{
$db = $this->getDatabase();
$query = $db->getQuery(true);
$planIds = [];
switch ($this->params->get('compare_method', 0))
{
case 0:
$query->select('a.id')
->from('#__osmembership_plans As a')
->innerJoin('#__osmembership_urls AS b ON a.id = b.plan_id')
->where('a.published = 1')
->where($db->quoteName('b.url') . ' = ' . $db->quote($url));
$db->setQuery($query);
return $db->loadColumn();
case 1:
$query->select('a.id, b.url')
->from('#__osmembership_plans As a')
->innerJoin('#__osmembership_urls AS b ON a.id = b.plan_id')
->where('a.published = 1');
$db->setQuery($query);
$rows = $db->loadObjectList();
foreach ($rows as $row)
{
$matches = [];
if (preg_match('~' . preg_quote($row->url) . '~', $url, $matches))
{
$planIds[] = $row->id;
}
}
break;
case 2:
$query->select('a.id, b.url')
->from('#__osmembership_plans As a')
->innerJoin('#__osmembership_urls AS b ON a.id = b.plan_id')
->where('a.published = 1');
$db->setQuery($query);
$rows = $db->loadObjectList();
foreach ($rows as $row)
{
$matches = [];
if (preg_match('~' . $row->url . '~', $url, $matches))
{
$planIds[] = $row->id;
}
}
break;
}
return $planIds;
}
/**
* Display pages which subscriber can access to
*
* @throws \Exception
*/
protected function displayUrls()
{
$db = $this->getDatabase();
$query = $db->getQuery(true);
$activePlanIds = \OSMembershipHelperSubscription::getActiveMembershipPlans();
$query->select('title, url')
->from('#__osmembership_urls')
->whereIn('plan_id', $activePlanIds)
->order('id');
$db->setQuery($query);
$urls = $db->loadObjectList();
if (empty($urls))
{
return;
}
echo \OSMembershipHelperHtml::loadCommonLayout('plugins/tmpl/osmembershipurls.php', ['urls' => $urls]);
}
/**
* Method to check if the plugin is executable
*
* @return bool
*/
private function isExecutable()
{
if ($this->getApplication()->isClient('site') && !$this->params->get('show_on_frontend'))
{
return false;
}
return true;
}
}