BootService.php

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<?php
 
declare(strict_types=1);
 
/*
 * This file is part of the TYPO3 CMS project.
 *
 * It is free software; you can redistribute it and/or modify it under
 * the terms of the GNU General Public License, either version 2
 * of the License, or any later version.
 *
 * For the full copyright and license information, please read the
 * LICENSE.txt file that was distributed with this source code.
 *
 * The TYPO3 project - inspiring people to share!
 */
 
namespace ‪TYPO3\CMS\Core\Core;
 
use Psr\Container\ContainerInterface;
use Psr\EventDispatcher\EventDispatcherInterface;
use ‪TYPO3\CMS\Core\Configuration\Extension\ExtLocalconfFactory;
use ‪TYPO3\CMS\Core\Configuration\Extension\ExtTablesFactory;
use ‪TYPO3\CMS\Core\Configuration\Tca\TcaFactory;
use ‪TYPO3\CMS\Core\Core\Event\BootCompletedEvent;
use TYPO3\CMS\Core\DependencyInjection\ContainerBuilder;
use TYPO3\CMS\Core\Package\PackageManager;
use ‪TYPO3\CMS\Core\Utility\ExtensionManagementUtility;
use ‪TYPO3\CMS\Core\Utility\GeneralUtility;
 
class ‪BootService
{
    private ContainerBuilder ‪$containerBuilder;
 
    private ContainerInterface ‪$failsafeContainer;
 
    private ?ContainerInterface ‪$container = null;
 
    public function ‪__construct(ContainerBuilder ‪$containerBuilder, ContainerInterface ‪$failsafeContainer)
    {
        $this->containerBuilder = ‪$containerBuilder;
        $this->failsafeContainer = ‪$failsafeContainer;
    }
 
    public function ‪getContainer(bool $allowCaching = true): ContainerInterface
    {
        return $this->container ?? $this->‪prepareContainer($allowCaching);
    }
 
    private function ‪prepareContainer(bool $allowCaching = true): ContainerInterface
    {
        $packageManager = $this->failsafeContainer->get(PackageManager::class);
        $dependencyInjectionContainerCache = $this->failsafeContainer->get('cache.di');
 
        $failsafe = false;
 
        // Build a non-failsafe container which is required for loading ext_localconf
        $this->container = $this->containerBuilder->createDependencyInjectionContainer($packageManager, $dependencyInjectionContainerCache, $failsafe);
        $this->container->set('_early.boot-service', $this);
        if ($allowCaching) {
            $this->container->get('boot.state')->cacheDisabled = false;
            $coreCache = ‪Bootstrap::createCache('core');
            // Core cache is initialized with a NullBackend in failsafe mode.
            // Replace it with a new cache that uses the real backend.
            $this->container->set('_early.cache.core', $coreCache);
            $this->container->set('_early.cache.assets', ‪Bootstrap::createCache('assets'));
            if (!‪Environment::isComposerMode()) {
                $this->container->get(PackageManager::class)->setPackageCache(‪Bootstrap::createPackageCache($coreCache));
            }
        }
 
        return ‪$this->container;
    }
 
    public function ‪makeCurrent(ContainerInterface ‪$container = null, array $backup = []): array
    {
        ‪$container = ‪$container ?? $backup['container'] ?? ‪$this->failsafeContainer;
 
        $newBackup = [
            'singletonInstances' => GeneralUtility::getSingletonInstances(),
            'container' => GeneralUtility::getContainer(),
        ];
 
        GeneralUtility::purgeInstances();
 
        // Set global state to the non-failsafe container and it's instances
        GeneralUtility::setContainer(‪$container);
        ‪ExtensionManagementUtility::setPackageManager(‪$container->get(PackageManager::class));
 
        $backupSingletonInstances = $backup['singletonInstances'] ?? [];
        foreach ($backupSingletonInstances as $className => $instance) {
            GeneralUtility::setSingletonInstance($className, $instance);
        }
 
        return $newBackup;
    }
 
    public function ‪loadExtLocalconfDatabaseAndExtTables(bool $resetContainer = false, bool $allowCaching = true, bool $loadExtTables = true): ContainerInterface
    {
        ‪$container = $this->‪getContainer($allowCaching);
 
        $backup = $this->‪makeCurrent($container);
        $beUserBackup = ‪$GLOBALS['BE_USER'] ?? null;
 
        ‪$container->get('boot.state')->complete = false;
        $eventDispatcher = ‪$container->get(EventDispatcherInterface::class);
        $tcaFactory = ‪$container->get(TcaFactory::class);
        if ($allowCaching) {
            ‪$container->get(ExtLocalconfFactory::class)->load();
        } else {
            ‪$container->get(ExtLocalconfFactory::class)->loadUncached();
        }
        ‪Bootstrap::unsetReservedGlobalVariables();
        ‪$GLOBALS['BE_USER'] = $beUserBackup;
        if ($allowCaching) {
            ‪$GLOBALS['TCA'] = $tcaFactory->get();
        } else {
            ‪$GLOBALS['TCA'] = $tcaFactory->create();
        }
        ‪$container->get('boot.state')->complete = true;
        $eventDispatcher->dispatch(new ‪BootCompletedEvent($allowCaching));
        if ($loadExtTables) {
            if ($allowCaching) {
                ‪$container->get(ExtTablesFactory::class)->load();
            } else {
                ‪$container->get(ExtTablesFactory::class)->loadUncached();
            }
        }
 
        if ($resetContainer) {
            $this->‪makeCurrent(null, $backup);
        }
 
        return ‪$container;
    }
 
    public function ‪resetGlobalContainer(): void
    {
        $this->‪makeCurrent(null, []);
    }
 
    public function ‪getFailsafeContainer(): ContainerInterface
    {
        return ‪$this->failsafeContainer;
    }
}