InstallUtility.php

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<?php
namespace TYPO3\CMS\Extensionmanager\Utility;

/*
 * 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!
 */

use TYPO3\CMS\Core\Service\OpcodeCacheService;
use TYPO3\CMS\Core\Utility\GeneralUtility;
use TYPO3\CMS\Extensionmanager\Domain\Model\Extension;
use TYPO3\CMS\Extensionmanager\Exception\ExtensionManagerException;
use TYPO3\CMS\Impexp\Utility\ImportExportUtility;

class InstallUtility implements \TYPO3\CMS\Core\SingletonInterface
{
    public $objectManager;

    public $installToolSqlParser;

    protected $dependencyUtility;

    protected $fileHandlingUtility;

    protected $listUtility;

    protected $databaseUtility;

    public $extensionRepository;

    protected $packageManager;

    protected $cacheManager;

    protected $signalSlotDispatcher;

    protected $registry;

    public function injectObjectManager(\TYPO3\CMS\Extbase\Object\ObjectManager $objectManager)
    {
        $this->objectManager = $objectManager;
    }

    public function injectInstallToolSqlParser(\TYPO3\CMS\Install\Service\SqlSchemaMigrationService $installToolSqlParser)
    {
        $this->installToolSqlParser = $installToolSqlParser;
    }

    public function injectDependencyUtility(\TYPO3\CMS\Extensionmanager\Utility\DependencyUtility $dependencyUtility)
    {
        $this->dependencyUtility = $dependencyUtility;
    }

    public function injectFileHandlingUtility(\TYPO3\CMS\Extensionmanager\Utility\FileHandlingUtility $fileHandlingUtility)
    {
        $this->fileHandlingUtility = $fileHandlingUtility;
    }

    public function injectListUtility(\TYPO3\CMS\Extensionmanager\Utility\ListUtility $listUtility)
    {
        $this->listUtility = $listUtility;
    }

    public function injectDatabaseUtility(\TYPO3\CMS\Extensionmanager\Utility\DatabaseUtility $databaseUtility)
    {
        $this->databaseUtility = $databaseUtility;
    }

    public function injectExtensionRepository(\TYPO3\CMS\Extensionmanager\Domain\Repository\ExtensionRepository $extensionRepository)
    {
        $this->extensionRepository = $extensionRepository;
    }

    public function injectPackageManager(\TYPO3\CMS\Core\Package\PackageManager $packageManager)
    {
        $this->packageManager = $packageManager;
    }

    public function injectCacheManager(\TYPO3\CMS\Core\Cache\CacheManager $cacheManager)
    {
        $this->cacheManager = $cacheManager;
    }

    public function injectSignalSlotDispatcher(\TYPO3\CMS\Extbase\SignalSlot\Dispatcher $signalSlotDispatcher)
    {
        $this->signalSlotDispatcher = $signalSlotDispatcher;
    }

    public function injectRegistry(\TYPO3\CMS\Core\Registry $registry)
    {
        $this->registry = $registry;
    }

    public function install($extensionKey)
    {
        $extension = $this->enrichExtensionWithDetails($extensionKey);
        $this->ensureConfiguredDirectoriesExist($extension);
        $this->loadExtension($extensionKey);
        if (!empty($extension['clearcacheonload']) || !empty($extension['clearCacheOnLoad'])) {
            $this->cacheManager->flushCaches();
        } else {
            $this->cacheManager->flushCachesInGroup('system');
        }
        $this->reloadCaches();
        $this->processExtensionSetup($extensionKey);

        $this->emitAfterExtensionInstallSignal($extensionKey);
    }

    public function processExtensionSetup($extensionKey)
    {
        $extension = $this->getExtensionArray($extensionKey);
        $this->importInitialFiles($extension['siteRelPath'], $extensionKey);
        $this->processDatabaseUpdates($extension);
        $this->processRuntimeDatabaseUpdates($extensionKey);
        $this->saveDefaultConfiguration($extensionKey);
    }

    public function uninstall($extensionKey)
    {
        $dependentExtensions = $this->dependencyUtility->findInstalledExtensionsThatDependOnMe($extensionKey);
        if (is_array($dependentExtensions) && !empty($dependentExtensions)) {
            throw new ExtensionManagerException(
                \TYPO3\CMS\Extbase\Utility\LocalizationUtility::translate(
                    'extensionList.uninstall.dependencyError',
                    'extensionmanager',
                    array($extensionKey, implode(',', $dependentExtensions))
                ),
                1342554622
            );
        } else {
            $this->unloadExtension($extensionKey);
        }
    }

    public function isLoaded($extensionKey)
    {
        return $this->packageManager->isPackageActive($extensionKey);
    }

    public function reloadAvailableExtensions() {
        $this->listUtility->reloadAvailableExtensions();
    }

    protected function loadExtension($extensionKey)
    {
        $this->packageManager->activatePackage($extensionKey);
    }

    protected function unloadExtension($extensionKey)
    {
        $this->packageManager->deactivatePackage($extensionKey);
        $this->emitAfterExtensionUninstallSignal($extensionKey);
        $this->cacheManager->flushCachesInGroup('system');
    }

    protected function emitAfterExtensionInstallSignal($extensionKey)
    {
        $this->signalSlotDispatcher->dispatch(__CLASS__, 'afterExtensionInstall', array($extensionKey, $this));
    }

    protected function emitAfterExtensionUninstallSignal($extensionKey)
    {
        $this->signalSlotDispatcher->dispatch(__CLASS__, 'afterExtensionUninstall', array($extensionKey, $this));
    }

    public function isAvailable($extensionKey)
    {
        return $this->packageManager->isPackageAvailable($extensionKey);
    }

    public function reloadPackageInformation($extensionKey)
    {
        if ($this->packageManager->isPackageAvailable($extensionKey)) {
            $this->reloadOpcache();
            $this->packageManager->reloadPackageInformation($extensionKey);
        }
    }

    public function enrichExtensionWithDetails($extensionKey)
    {
        $extension = $this->getExtensionArray($extensionKey);
        $availableAndInstalledExtensions = $this->listUtility->enrichExtensionsWithEmConfAndTerInformation(array($extensionKey => $extension));

        if (!isset($availableAndInstalledExtensions[$extensionKey])) {
            throw new ExtensionManagerException(
                'Please check your uploaded extension "' . $extensionKey . '". The configuration file "ext_emconf.php" seems to be invalid.',
                1391432222
            );
        }

        return $availableAndInstalledExtensions[$extensionKey];
    }

    protected function getExtensionArray($extensionKey)
    {
        $availableExtensions = $this->listUtility->getAvailableExtensions();
        if (isset($availableExtensions[$extensionKey])) {
            return $availableExtensions[$extensionKey];
        } else {
            throw new ExtensionManagerException('Extension ' . $extensionKey . ' is not available', 1342864081);
        }
    }

    protected function ensureConfiguredDirectoriesExist(array $extension)
    {
        $this->fileHandlingUtility->ensureConfiguredDirectoriesExist($extension);
    }

    public function processDatabaseUpdates(array $extension)
    {
        $extTablesSqlFile = PATH_site . $extension['siteRelPath'] . 'ext_tables.sql';
        $extTablesSqlContent = '';
        if (file_exists($extTablesSqlFile)) {
            $extTablesSqlContent .= GeneralUtility::getUrl($extTablesSqlFile);
        }
        if ($extTablesSqlContent !== '') {
            $this->updateDbWithExtTablesSql($extTablesSqlContent);
        }

        $this->importStaticSqlFile($extension['siteRelPath']);
        $this->importT3DFile($extension['siteRelPath']);
    }

    protected function processRuntimeDatabaseUpdates($extensionKey)
    {
        $sqlString = $this->emitTablesDefinitionIsBeingBuiltSignal($extensionKey);
        if (!empty($sqlString)) {
            $this->updateDbWithExtTablesSql(implode(LF . LF . LF . LF, $sqlString));
        }
    }

    protected function emitTablesDefinitionIsBeingBuiltSignal($extensionKey)
    {
        $signalReturn = $this->signalSlotDispatcher->dispatch(__CLASS__, 'tablesDefinitionIsBeingBuilt', array(array(), $extensionKey));
        // This is important to support old associated returns
        $signalReturn = array_values($signalReturn);
        $sqlString = $signalReturn[0];
        if (!is_array($sqlString)) {
            throw new ExtensionManagerException(
                sprintf(
                    'The signal %s of class %s returned a value of type %s, but array was expected.',
                    'tablesDefinitionIsBeingBuilt',
                    __CLASS__,
                    gettype($sqlString)
                ),
                1382360258
            );
        }
        return $sqlString;
    }

    public function reloadCaches()
    {
        $this->reloadOpcache();
        \TYPO3\CMS\Core\Utility\ExtensionManagementUtility::loadExtLocalconf(false);
        \TYPO3\CMS\Core\Core\Bootstrap::getInstance()->loadExtensionTables(false);
    }

    protected function reloadOpcache()
    {
        GeneralUtility::makeInstance(OpcodeCacheService::class)->clearAllActive();
    }

    protected function saveDefaultConfiguration($extensionKey)
    {
        $configUtility = $this->objectManager->get(\TYPO3\CMS\Extensionmanager\Utility\ConfigurationUtility::class);
        $configUtility->saveDefaultConfiguration($extensionKey);
    }

    public function updateDbWithExtTablesSql($rawDefinitions)
    {
        $fieldDefinitionsFromFile = $this->installToolSqlParser->getFieldDefinitions_fileContent($rawDefinitions);
        if (!empty($fieldDefinitionsFromFile)) {
            $fieldDefinitionsFromCurrentDatabase = $this->installToolSqlParser->getFieldDefinitions_database();
            $diff = $this->installToolSqlParser->getDatabaseExtra($fieldDefinitionsFromFile, $fieldDefinitionsFromCurrentDatabase);
            $updateStatements = $this->installToolSqlParser->getUpdateSuggestions($diff);
            $db = $this->getDatabaseConnection();
            foreach ((array)$updateStatements['add'] as $string) {
                $db->admin_query($string);
            }
            foreach ((array)$updateStatements['change'] as $string) {
                $db->admin_query($string);
            }
            foreach ((array)$updateStatements['create_table'] as $string) {
                $db->admin_query($string);
            }
        }
    }

    public function importStaticSql($rawDefinitions)
    {
        $statements = $this->installToolSqlParser->getStatementarray($rawDefinitions, 1);
        list($statementsPerTable, $insertCount) = $this->installToolSqlParser->getCreateTables($statements, 1);
        $db = $this->getDatabaseConnection();
        // Traverse the tables
        foreach ($statementsPerTable as $table => $query) {
            $db->admin_query('DROP TABLE IF EXISTS ' . $table);
            $db->admin_query($query);
            if ($insertCount[$table]) {
                $insertStatements = $this->installToolSqlParser->getTableInsertStatements($statements, $table);
                foreach ($insertStatements as $statement) {
                    $db->admin_query($statement);
                }
            }
        }
    }

    public function removeExtension($extension)
    {
        $absolutePath = $this->fileHandlingUtility->getAbsoluteExtensionPath($extension);
        if ($this->fileHandlingUtility->isValidExtensionPath($absolutePath)) {
            if ($this->packageManager->isPackageAvailable($extension)) {
                // Package manager deletes the extension and removes the entry from PackageStates.php
                $this->packageManager->deletePackage($extension);
            } else {
                // The extension is not listed in PackageStates.php, we can safely remove it
                $this->fileHandlingUtility->removeDirectory($absolutePath);
            }
        } else {
            throw new ExtensionManagerException('No valid extension path given.', 1342875724);
        }
    }

    public function getExtensionSqlDataDump($extension)
    {
        $extension = $this->enrichExtensionWithDetails($extension);
        $filePrefix = PATH_site . $extension['siteRelPath'];
        $sqlData['extTables'] = $this->getSqlDataDumpForFile($filePrefix . 'ext_tables.sql');
        $sqlData['staticSql'] = $this->getSqlDataDumpForFile($filePrefix . 'ext_tables_static+adt.sql');
        return $sqlData;
    }

    protected function getSqlDataDumpForFile($sqlFile)
    {
        $sqlData = '';
        if (file_exists($sqlFile)) {
            $sqlContent = GeneralUtility::getUrl($sqlFile);
            $fieldDefinitions = $this->installToolSqlParser->getFieldDefinitions_fileContent($sqlContent);
            $sqlData = $this->databaseUtility->dumpStaticTables($fieldDefinitions);
        }
        return $sqlData;
    }


    public function isUpdateAvailable(Extension $extensionData)
    {
        return (bool)$this->getUpdateableVersion($extensionData);
    }

    public function getUpdateableVersion(Extension $extensionData)
    {
        // Only check for update for TER extensions
        $version = $extensionData->getIntegerVersion();

        $extensionUpdates = $this->extensionRepository->findByVersionRangeAndExtensionKeyOrderedByVersion(
            $extensionData->getExtensionKey(),
            $version,
            0,
            false
        );
        if ($extensionUpdates->count() > 0) {
            foreach ($extensionUpdates as $extensionUpdate) {
                try {
                    $this->dependencyUtility->checkDependencies($extensionUpdate);
                    if (!$this->dependencyUtility->hasDependencyErrors()) {
                        return $extensionUpdate;
                    }
                } catch (ExtensionManagerException $e) {
                }
            }
        }
        return false;
    }

    protected function importT3DFile($extensionSiteRelPath)
    {
        $registryKeysToCheck = array(
            $extensionSiteRelPath . 'Initialisation/data.t3d',
            $extensionSiteRelPath . 'Initialisation/dataImported',
        );
        foreach ($registryKeysToCheck as $registryKeyToCheck) {
            if ($this->registry->get('extensionDataImport', $registryKeyToCheck)) {
                // Data was imported before => early return
                return;
            }
        }
        $importFileToUse = null;
        $possibleImportFiles = array(
            $extensionSiteRelPath . 'Initialisation/data.t3d',
            $extensionSiteRelPath . 'Initialisation/data.xml'
        );
        foreach ($possibleImportFiles as $possibleImportFile) {
            if (!file_exists(PATH_site . $possibleImportFile)) {
                continue;
            }
            $importFileToUse = $possibleImportFile;
        }
        if ($importFileToUse !== null) {
            $importExportUtility = $this->objectManager->get(ImportExportUtility::class);
            try {
                $importResult = $importExportUtility->importT3DFile(PATH_site . $importFileToUse, 0);
                $this->registry->set('extensionDataImport', $extensionSiteRelPath . 'Initialisation/dataImported', 1);
                $this->emitAfterExtensionT3DImportSignal($importFileToUse, $importResult);
            } catch (\ErrorException $e) {
                $logger = $this->objectManager->get(\TYPO3\CMS\Core\Log\LogManager::class)->getLogger(__CLASS__);
                $logger->log(\TYPO3\CMS\Core\Log\LogLevel::WARNING, $e->getMessage());
            }
        }
    }

    protected function emitAfterExtensionT3DImportSignal($importFileToUse, $importResult)
    {
        $this->signalSlotDispatcher->dispatch(__CLASS__, 'afterExtensionT3DImport', array($importFileToUse, $importResult, $this));
    }

    protected function importStaticSqlFile($extensionSiteRelPath)
    {
        $extTablesStaticSqlRelFile = $extensionSiteRelPath . 'ext_tables_static+adt.sql';
        if (!$this->registry->get('extensionDataImport', $extTablesStaticSqlRelFile)) {
            $extTablesStaticSqlFile = PATH_site . $extTablesStaticSqlRelFile;
            if (file_exists($extTablesStaticSqlFile)) {
                $extTablesStaticSqlContent = GeneralUtility::getUrl($extTablesStaticSqlFile);
                $this->importStaticSql($extTablesStaticSqlContent);
            }
            $this->registry->set('extensionDataImport', $extTablesStaticSqlRelFile, 1);
            $this->emitAfterExtensionStaticSqlImportSignal($extTablesStaticSqlRelFile);
        }
    }

    protected function emitAfterExtensionStaticSqlImportSignal($extTablesStaticSqlRelFile)
    {
        $this->signalSlotDispatcher->dispatch(__CLASS__, 'afterExtensionStaticSqlImport', array($extTablesStaticSqlRelFile, $this));
    }

    protected function importInitialFiles($extensionSiteRelPath, $extensionKey)
    {
        $importRelFolder = $extensionSiteRelPath . 'Initialisation/Files';
        if (!$this->registry->get('extensionDataImport', $importRelFolder)) {
            $importFolder = PATH_site . $importRelFolder;
            if (file_exists($importFolder)) {
                $destinationRelPath = $GLOBALS['TYPO3_CONF_VARS']['BE']['fileadminDir'] . $extensionKey;
                $destinationAbsolutePath = PATH_site . $destinationRelPath;
                if (!file_exists($destinationAbsolutePath) &&
                    GeneralUtility::isAllowedAbsPath($destinationAbsolutePath)
                ) {
                    GeneralUtility::mkdir($destinationAbsolutePath);
                }
                GeneralUtility::copyDirectory($importRelFolder, $destinationRelPath);
                $this->registry->set('extensionDataImport', $importRelFolder, 1);
                $this->emitAfterExtensionFileImportSignal($destinationAbsolutePath);
            }
        }
    }

    protected function emitAfterExtensionFileImportSignal($destinationAbsolutePath)
    {
        $this->signalSlotDispatcher->dispatch(__CLASS__, 'afterExtensionFileImport', array($destinationAbsolutePath, $this));
    }

    protected function getDatabaseConnection()
    {
        return $GLOBALS['TYPO3_DB'];
    }
}