Completed
Push — master ( 21b79b...0ac850 )
by
unknown
13:25
created

FileHandlingUtility::createZipFileFromExtension()   B

Complexity

Conditions 6
Paths 24

Size

Total Lines 53
Code Lines 29

Duplication

Lines 0
Ratio 0 %

Importance

Changes 0
Metric Value
cc 6
eloc 29
nc 24
nop 1
dl 0
loc 53
rs 8.8337
c 0
b 0
f 0

How to fix   Long Method   

Long Method

Small methods make your code easier to understand, in particular if combined with a good name. Besides, if your method is small, finding a good name is usually much easier.

For example, if you find yourself adding comments to a method's body, this is usually a good sign to extract the commented part to a new method, and use the comment as a starting point when coming up with a good name for this new method.

Commonly applied refactorings include:

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<?php
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/*
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 * This file is part of the TYPO3 CMS project.
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 *
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 * It is free software; you can redistribute it and/or modify it under
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 * the terms of the GNU General Public License, either version 2
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 * of the License, or any later version.
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 *
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 * For the full copyright and license information, please read the
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 * LICENSE.txt file that was distributed with this source code.
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 *
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 * The TYPO3 project - inspiring people to share!
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 */
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namespace TYPO3\CMS\Extensionmanager\Utility;
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use Psr\Log\LoggerAwareInterface;
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use Psr\Log\LoggerAwareTrait;
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use TYPO3\CMS\Core\Core\Environment;
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use TYPO3\CMS\Core\Exception\Archive\ExtractException;
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use TYPO3\CMS\Core\Localization\LanguageService;
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use TYPO3\CMS\Core\Service\Archive\ZipService;
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use TYPO3\CMS\Core\SingletonInterface;
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use TYPO3\CMS\Core\Utility\GeneralUtility;
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use TYPO3\CMS\Core\Utility\PathUtility;
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use TYPO3\CMS\Extensionmanager\Domain\Model\Extension;
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use TYPO3\CMS\Extensionmanager\Exception\ExtensionManagerException;
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/**
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 * Utility for dealing with files and folders
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 * @internal This class is a specific ExtensionManager implementation and is not part of the Public TYPO3 API.
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 */
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class FileHandlingUtility implements SingletonInterface, LoggerAwareInterface
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{
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    use LoggerAwareTrait;
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    /**
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     * @var EmConfUtility
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     */
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    protected $emConfUtility;
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    /**
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     * @var InstallUtility
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     */
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    protected $installUtility;
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    /**
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     * @var LanguageService
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     */
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    protected $languageService;
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    /**
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     * @param EmConfUtility $emConfUtility
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     */
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    public function injectEmConfUtility(EmConfUtility $emConfUtility)
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    {
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        $this->emConfUtility = $emConfUtility;
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    }
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    /**
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     * @param InstallUtility $installUtility
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     */
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    public function injectInstallUtility(InstallUtility $installUtility)
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    {
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        $this->installUtility = $installUtility;
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    }
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    /**
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     * @param LanguageService $languageService
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     */
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    public function injectLanguageService(LanguageService $languageService)
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    {
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        $this->languageService = $languageService;
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    }
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    /**
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     * Initialize method - loads language file
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     */
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    public function initializeObject()
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    {
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        $this->languageService->includeLLFile('EXT:extensionmanager/Resources/Private/Language/locallang.xlf');
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    }
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    /**
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     * Unpack an extension in t3x data format and write files
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     *
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     * @param array $extensionData
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     * @param Extension|null $extension
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     * @param string $pathType
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     */
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    public function unpackExtensionFromExtensionDataArray(array $extensionData, Extension $extension = null, $pathType = 'Local')
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    {
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        $extensionDir = $this->makeAndClearExtensionDir($extensionData['extKey'], $pathType);
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        $files = $this->extractFilesArrayFromExtensionData($extensionData);
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        $directories = $this->extractDirectoriesFromExtensionData($files);
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        $files = array_diff_key($files, array_flip($directories));
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        $this->createDirectoriesForExtensionFiles($directories, $extensionDir);
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        $this->writeExtensionFiles($files, $extensionDir);
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        $this->writeEmConfToFile($extensionData, $extensionDir, $extension);
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        $this->reloadPackageInformation($extensionData['extKey']);
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    }
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    /**
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     * Extract needed directories from given extensionDataFilesArray
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     *
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     * @param array $files
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     * @return array
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     */
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    protected function extractDirectoriesFromExtensionData(array $files)
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    {
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        $directories = [];
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        foreach ($files as $filePath => $file) {
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            preg_match('/(.*)\\//', $filePath, $matches);
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            if (!empty($matches[0])) {
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                $directories[] = $matches[0];
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            }
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        }
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        return array_unique($directories);
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    }
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    /**
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     * Returns the "FILES" part from the data array
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     *
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     * @param array $extensionData
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     * @return mixed
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     */
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    protected function extractFilesArrayFromExtensionData(array $extensionData)
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    {
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        return $extensionData['FILES'];
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    }
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    /**
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     * Loops over an array of directories and creates them in the given root path
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     * It also creates nested directory structures
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     *
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     * @param array $directories
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     * @param string $rootPath
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     */
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    protected function createDirectoriesForExtensionFiles(array $directories, $rootPath)
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    {
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        foreach ($directories as $directory) {
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            $this->createNestedDirectory($rootPath . $directory);
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        }
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    }
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    /**
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     * Wrapper for utility method to create directory recursively
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     *
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     * @param string $directory Absolute path
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     * @throws ExtensionManagerException
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     */
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    protected function createNestedDirectory($directory)
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    {
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        try {
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            GeneralUtility::mkdir_deep($directory);
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        } catch (\RuntimeException $exception) {
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            throw new ExtensionManagerException(
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                sprintf($this->languageService->getLL('fileHandling.couldNotCreateDirectory'), $this->getRelativePath($directory)),
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                1337280416
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            );
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        }
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    }
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    /**
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     * Loops over an array of files and writes them to the given rootPath
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     *
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     * @param array $files
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     * @param string $rootPath
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     */
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    protected function writeExtensionFiles(array $files, $rootPath)
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    {
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        foreach ($files as $file) {
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            GeneralUtility::writeFile($rootPath . $file['name'], $file['content']);
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        }
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    }
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    /**
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     * Removes the current extension of $type and creates the base folder for
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     * the new one (which is going to be imported)
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     *
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     * @param string $extensionKey
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     * @param string $pathType Extension installation scope (Local,Global,System)
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     * @throws ExtensionManagerException
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     * @return string
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     */
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    protected function makeAndClearExtensionDir($extensionKey, $pathType = 'Local')
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    {
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        $extDirPath = $this->getExtensionDir($extensionKey, $pathType);
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        if (is_dir($extDirPath)) {
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            $this->removeDirectory($extDirPath);
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        }
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        $this->addDirectory($extDirPath);
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        return $extDirPath;
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    }
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    /**
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     * Returns the installation directory for an extension depending on the installation scope
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     *
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     * @param string $extensionKey
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     * @param string $pathType Extension installation scope (Local,Global,System)
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     * @return string
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     * @throws ExtensionManagerException
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     */
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    public function getExtensionDir($extensionKey, $pathType = 'Local')
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    {
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        $paths = Extension::returnInstallPaths();
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        $path = $paths[$pathType] ?? '';
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        if (!$path || !is_dir($path) || !$extensionKey) {
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            throw new ExtensionManagerException(
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                sprintf($this->languageService->getLL('fileHandling.installPathWasNoDirectory'), $this->getRelativePath($path)),
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                1337280417
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            );
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        }
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        return $path . $extensionKey . '/';
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    }
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    /**
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     * Add specified directory
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     *
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     * @param string $extDirPath
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     * @throws ExtensionManagerException
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     */
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    protected function addDirectory($extDirPath)
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    {
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        GeneralUtility::mkdir($extDirPath);
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        if (!is_dir($extDirPath)) {
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            throw new ExtensionManagerException(
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                sprintf($this->languageService->getLL('fileHandling.couldNotCreateDirectory'), $this->getRelativePath($extDirPath)),
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                1337280418
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            );
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        }
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    }
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    /**
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     * Remove specified directory
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     *
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     * @param string $extDirPath
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     * @throws ExtensionManagerException
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     */
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    public function removeDirectory($extDirPath)
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    {
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        $extDirPath = GeneralUtility::fixWindowsFilePath($extDirPath);
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        $extensionPathWithoutTrailingSlash = rtrim($extDirPath, '/');
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        if (is_link($extensionPathWithoutTrailingSlash) && !Environment::isWindows()) {
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            $result = unlink($extensionPathWithoutTrailingSlash);
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        } else {
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            $result = GeneralUtility::rmdir($extDirPath, true);
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        }
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        if ($result === false) {
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            throw new ExtensionManagerException(
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                sprintf($this->languageService->getLL('fileHandling.couldNotRemoveDirectory'), $this->getRelativePath($extDirPath)),
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                1337280415
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            );
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        }
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    }
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    /**
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     * Constructs emConf and writes it to corresponding file
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     * In case the file has been extracted already, the properties of the meta data take precedence but are merged with the present ext_emconf.php
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     *
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     * @param array $extensionData
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     * @param string $rootPath
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     * @param Extension|null $extension
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     */
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    protected function writeEmConfToFile(array $extensionData, $rootPath, Extension $extension = null)
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    {
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        $emConfFileData = [];
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        if (file_exists($rootPath . 'ext_emconf.php')) {
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            $emConfFileData = $this->emConfUtility->includeEmConf(
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                $extensionData['extKey'],
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                [
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                    'packagePath' => $rootPath
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                ]
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            );
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            $emConfFileData = is_array($emConfFileData) ? $emConfFileData : [];
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        }
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        $extensionData['EM_CONF'] = array_replace_recursive($emConfFileData, $extensionData['EM_CONF']);
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        $emConfContent = $this->emConfUtility->constructEmConf($extensionData, $extension);
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        GeneralUtility::writeFile($rootPath . 'ext_emconf.php', $emConfContent);
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    }
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    /**
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     * Is the given path a valid path for extension installation
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     *
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     * @param string $path the absolute (!) path in question
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     * @return bool
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     */
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    public function isValidExtensionPath($path)
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    {
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        $allowedPaths = Extension::returnAllowedInstallPaths();
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        foreach ($allowedPaths as $allowedPath) {
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            if (GeneralUtility::isFirstPartOfStr($path, $allowedPath)) {
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                return true;
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            }
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        }
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        return false;
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    }
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    /**
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     * Returns relative path
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     *
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     * @param string $absolutePath
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     * @return string
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     */
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    protected function getRelativePath(string $absolutePath): string
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    {
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        return PathUtility::stripPathSitePrefix($absolutePath);
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    }
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    /**
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     * Unzip an extension.zip.
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     *
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     * @param string $file path to zip file
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     * @param string $fileName file name
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     * @param string $pathType path type (Local, Global, System)
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     * @throws ExtensionManagerException
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     */
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    public function unzipExtensionFromFile($file, $fileName, $pathType = 'Local')
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    {
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        $extensionDir = $this->makeAndClearExtensionDir($fileName, $pathType);
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        try {
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            $zipService = GeneralUtility::makeInstance(ZipService::class);
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            if ($zipService->verify($file)) {
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                $zipService->extract($file, $extensionDir);
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            }
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        } catch (ExtractException $e) {
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            $this->logger->error('Extracting the extension archive failed', ['exception' => $e]);
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            throw new ExtensionManagerException('Extracting the extension archive failed: ' . $e->getMessage(), 1565777179, $e);
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        }
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        GeneralUtility::fixPermissions($extensionDir, true);
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    }
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    /**
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     * @param string $extensionKey
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     */
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    protected function reloadPackageInformation($extensionKey)
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    {
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        $this->installUtility->reloadPackageInformation($extensionKey);
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    }
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}
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