FileHandlingUtilityTest.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\Extensionmanager\Tests\Unit\Utility;
 
use ‪TYPO3\CMS\Core\Core\Environment;
use ‪TYPO3\CMS\Core\Localization\LanguageService;
use ‪TYPO3\CMS\Core\Utility\GeneralUtility;
use ‪TYPO3\CMS\Core\Utility\StringUtility;
use ‪TYPO3\CMS\Extensionmanager\Exception\ExtensionManagerException;
use TYPO3\CMS\Extensionmanager\Utility\EmConfUtility;
use ‪TYPO3\CMS\Extensionmanager\Utility\FileHandlingUtility;
use TYPO3\TestingFramework\Core\Unit\UnitTestCase;
 
class ‪FileHandlingUtilityTest extends UnitTestCase
{
    protected ‪$fakedExtensions = [];
 
    protected function ‪createFakeExtension($extkeyOnly = false)
    {
        $extKey = strtolower(‪StringUtility::getUniqueId('testing'));
        $absExtPath = ‪Environment::getVarPath() . '/tests/ext-' . $extKey . '/';
        $relPath = 'typo3temp/var/tests/ext-' . $extKey . '/';
        $this->fakedExtensions[$extKey] = [
            'siteRelPath' => $relPath,
            'siteAbsPath' => $absExtPath
        ];
        if ($extkeyOnly === true) {
            return $extKey;
        }
        ‪GeneralUtility::mkdir($absExtPath);
        $this->testFilesToDelete[] = ‪Environment::getVarPath() . '/tests/ext-' . $extKey;
        return $extKey;
    }
 
    public function ‪makeAndClearExtensionDirRemovesExtensionDirIfAlreadyExists()
    {
        $extKey = $this->‪createFakeExtension();
        $fileHandlerMock = $this->getAccessibleMock(FileHandlingUtility::class, ['removeDirectory', 'addDirectory', 'getExtensionDir'], [], '', false);
        $fileHandlerMock->expects(self::once())
            ->method('removeDirectory')
            ->with(‪Environment::getVarPath() . '/tests/ext-' . $extKey . '/');
        $fileHandlerMock->expects(self::any())
            ->method('getExtensionDir')
            ->willReturn(‪Environment::getVarPath() . '/tests/ext-' . $extKey . '/');
        $fileHandlerMock->_call('makeAndClearExtensionDir', $extKey);
    }
 
    public function ‪invalidRelativePathDataProvider()
    {
        return [
            ['../../'],
            ['/foo/bar'],
            ['foo//bar'],
            ['foo/bar' . "\0"],
        ];
    }
 
    public function ‪getAbsolutePathThrowsExceptionForInvalidRelativePaths($invalidRelativePath)
    {
        $this->expectException(ExtensionManagerException::class);
        $this->expectExceptionCode(1350742864);
        $fileHandlerMock = $this->getAccessibleMock(FileHandlingUtility::class, ['dummy'], []);
        $fileHandlerMock->_call('getAbsolutePath', $invalidRelativePath);
    }
 
    public function ‪validRelativePathDataProvider()
    {
        return [
            ['foo/../bar', ‪Environment::getPublicPath() . '/bar'],
            ['bas', ‪Environment::getPublicPath() . '/bas'],
        ];
    }
 
    public function ‪getAbsolutePathReturnsAbsolutePathForValidRelativePaths($validRelativePath, $expectedAbsolutePath)
    {
        $fileHandlerMock = $this->getAccessibleMock(FileHandlingUtility::class, ['dummy']);
        self::assertSame($expectedAbsolutePath, $fileHandlerMock->_call('getAbsolutePath', $validRelativePath));
    }
 
    public function ‪makeAndClearExtensionDirAddsDir()
    {
        $extKey = $this->‪createFakeExtension();
        $fileHandlerMock = $this->getAccessibleMock(FileHandlingUtility::class, ['removeDirectory', 'addDirectory', 'getExtensionDir']);
        $fileHandlerMock->expects(self::once())
            ->method('addDirectory')
            ->with(‪Environment::getVarPath() . '/tests/ext-' . $extKey . '/');
        $fileHandlerMock->expects(self::any())
            ->method('getExtensionDir')
            ->willReturn(‪Environment::getVarPath() . '/tests/ext-' . $extKey . '/');
        $fileHandlerMock->_call('makeAndClearExtensionDir', $extKey);
    }
 
    public function ‪makeAndClearExtensionDirThrowsExceptionOnInvalidPath()
    {
        $this->expectException(ExtensionManagerException::class);
        $this->expectExceptionCode(1337280417);
        $fileHandlerMock = $this->getAccessibleMock(FileHandlingUtility::class, ['removeDirectory', 'addDirectory']);
        $languageServiceMock = $this->getMockBuilder(LanguageService::class)->disableOriginalConstructor()->getMock();
        $fileHandlerMock->_set('languageService', $languageServiceMock);
        $fileHandlerMock->_call('makeAndClearExtensionDir', 'testing123', 'fakepath');
    }
 
    public function ‪addDirectoryAddsDirectory()
    {
        $extDirPath = ‪Environment::getVarPath() . '/tests/' . ‪StringUtility::getUniqueId('test-extensions-');
        $this->testFilesToDelete[] = $extDirPath;
        $fileHandlerMock = $this->getAccessibleMock(FileHandlingUtility::class, ['dummy']);
        $fileHandlerMock->_call('addDirectory', $extDirPath);
        self::assertTrue(is_dir($extDirPath));
    }
 
    public function ‪removeDirectoryRemovesDirectory()
    {
        $extDirPath = ‪Environment::getVarPath() . '/tests/' . ‪StringUtility::getUniqueId('test-extensions-');
        @mkdir($extDirPath);
        $fileHandlerMock = $this->getAccessibleMock(FileHandlingUtility::class, ['dummy']);
        $fileHandlerMock->_call('removeDirectory', $extDirPath);
        self::assertFalse(is_dir($extDirPath));
    }
 
    public function ‪removeDirectoryRemovesSymlink()
    {
        $absoluteSymlinkPath = ‪Environment::getVarPath() . '/tests/' . ‪StringUtility::getUniqueId('test_symlink_');
        $absoluteFilePath = ‪Environment::getVarPath() . '/tests/' . ‪StringUtility::getUniqueId('test_file_');
        touch($absoluteFilePath);
        $this->testFilesToDelete[] = $absoluteFilePath;
        symlink($absoluteFilePath, $absoluteSymlinkPath);
        $fileHandler = new ‪FileHandlingUtility();
        $fileHandler->removeDirectory($absoluteSymlinkPath);
        self::assertFalse(is_link($absoluteSymlinkPath));
    }
 
    public function ‪removeDirectoryDoesNotRemoveContentOfSymlinkedTargetDirectory()
    {
        $absoluteSymlinkPath = ‪Environment::getVarPath() . '/tests/' . ‪StringUtility::getUniqueId('test_symlink_');
        $absoluteDirectoryPath = ‪Environment::getVarPath() . '/tests/' . ‪StringUtility::getUniqueId('test_dir_') . '/';
        $relativeFilePath = ‪StringUtility::getUniqueId('test_file_');
 
        mkdir($absoluteDirectoryPath);
        touch($absoluteDirectoryPath . $relativeFilePath);
 
        $this->testFilesToDelete[] = $absoluteDirectoryPath . $relativeFilePath;
        $this->testFilesToDelete[] = $absoluteDirectoryPath;
 
        symlink($absoluteDirectoryPath, $absoluteSymlinkPath);
 
        $fileHandler = new ‪FileHandlingUtility();
        $fileHandler->removeDirectory($absoluteSymlinkPath);
        self::assertTrue(is_file($absoluteDirectoryPath . $relativeFilePath));
    }
 
    public function ‪unpackExtensionFromExtensionDataArrayCreatesTheExtensionDirectory()
    {
        $extensionData = [
            'extKey' => 'test'
        ];
        $fileHandlerMock = $this->getAccessibleMock(FileHandlingUtility::class, [
            'makeAndClearExtensionDir',
            'writeEmConfToFile',
            'extractFilesArrayFromExtensionData',
            'extractDirectoriesFromExtensionData',
            'createDirectoriesForExtensionFiles',
            'writeExtensionFiles',
            'reloadPackageInformation',
        ]);
        $fileHandlerMock->expects(self::once())->method('extractFilesArrayFromExtensionData')->willReturn([]);
        $fileHandlerMock->expects(self::once())->method('extractDirectoriesFromExtensionData')->willReturn([]);
        $fileHandlerMock->expects(self::once())->method('makeAndClearExtensionDir')->with($extensionData['extKey']);
        $fileHandlerMock->_call('unpackExtensionFromExtensionDataArray', $extensionData);
    }
 
    public function ‪unpackExtensionFromExtensionDataArrayStripsDirectoriesFromFilesArray()
    {
        $extensionData = [
            'extKey' => 'test'
        ];
        $files = [
            'ChangeLog' => [
                'name' => 'ChangeLog',
                'size' => 4559,
                'mtime' => 1219448527,
                'is_executable' => false,
                'content' => 'some content to write'
            ],
            'doc/' => [
                'name' => 'doc/',
                'size' => 0,
                'mtime' => 1219448527,
                'is_executable' => false,
                'content' => ''
            ],
            'doc/ChangeLog' => [
                'name' => 'ChangeLog',
                'size' => 4559,
                'mtime' => 1219448527,
                'is_executable' => false,
                'content' => 'some content to write'
            ],
        ];
        $cleanedFiles = [
            'ChangeLog' => [
                'name' => 'ChangeLog',
                'size' => 4559,
                'mtime' => 1219448527,
                'is_executable' => false,
                'content' => 'some content to write'
            ],
            'doc/ChangeLog' => [
                'name' => 'ChangeLog',
                'size' => 4559,
                'mtime' => 1219448527,
                'is_executable' => false,
                'content' => 'some content to write'
            ],
        ];
        $directories = [
            'doc/',
            'mod/doc/'
        ];
 
        $fileHandlerMock = $this->getAccessibleMock(FileHandlingUtility::class, [
            'makeAndClearExtensionDir',
            'writeEmConfToFile',
            'extractFilesArrayFromExtensionData',
            'extractDirectoriesFromExtensionData',
            'createDirectoriesForExtensionFiles',
            'writeExtensionFiles',
            'reloadPackageInformation',
        ]);
        $fileHandlerMock->expects(self::once())->method('extractFilesArrayFromExtensionData')->willReturn($files);
        $fileHandlerMock->expects(self::once())->method('extractDirectoriesFromExtensionData')->willReturn($directories);
        $fileHandlerMock->expects(self::once())->method('createDirectoriesForExtensionFiles')->with($directories);
        $fileHandlerMock->expects(self::once())->method('writeExtensionFiles')->with($cleanedFiles);
        $fileHandlerMock->expects(self::once())->method('reloadPackageInformation')->with('test');
        $fileHandlerMock->_call('unpackExtensionFromExtensionDataArray', $extensionData);
    }
 
    public function ‪extractFilesArrayFromExtensionDataReturnsFileArray()
    {
        $extensionData = [
            'key' => 'test',
            'FILES' => [
                'filename1' => 'dummycontent',
                'filename2' => 'dummycontent2'
            ]
        ];
        $fileHandlerMock = $this->getAccessibleMock(FileHandlingUtility::class, ['makeAndClearExtensionDir']);
        $extractedFiles = $fileHandlerMock->_call('extractFilesArrayFromExtensionData', $extensionData);
        self::assertArrayHasKey('filename1', $extractedFiles);
        self::assertArrayHasKey('filename2', $extractedFiles);
    }
 
    public function ‪writeExtensionFilesWritesFiles()
    {
        $files = [
            'ChangeLog' => [
                'name' => 'ChangeLog',
                'size' => 4559,
                'mtime' => 1219448527,
                'is_executable' => false,
                'content' => 'some content to write'
            ],
            'README' => [
                'name' => 'README',
                'size' => 4566,
                'mtime' => 1219448533,
                'is_executable' => false,
                'content' => 'FEEL FREE TO ADD SOME DOCUMENTATION HERE'
            ]
        ];
        $rootPath = ($extDirPath = $this->fakedExtensions[$this->‪createFakeExtension()]['siteAbsPath']);
        $fileHandlerMock = $this->getAccessibleMock(FileHandlingUtility::class, ['makeAndClearExtensionDir']);
        $fileHandlerMock->_call('writeExtensionFiles', $files, $rootPath);
        self::assertTrue(file_exists($rootPath . 'ChangeLog'));
    }
 
    public function ‪extractDirectoriesFromExtensionDataExtractsDirectories()
    {
        $files = [
            'ChangeLog' => [
                'name' => 'ChangeLog',
                'size' => 4559,
                'mtime' => 1219448527,
                'is_executable' => false,
                'content' => 'some content to write'
            ],
            'doc/' => [
                'name' => 'doc/',
                'size' => 0,
                'mtime' => 1219448527,
                'is_executable' => false,
                'content' => ''
            ],
            'doc/ChangeLog' => [
                'name' => 'ChangeLog',
                'size' => 4559,
                'mtime' => 1219448527,
                'is_executable' => false,
                'content' => 'some content to write'
            ],
            'doc/README' => [
                'name' => 'README',
                'size' => 4566,
                'mtime' => 1219448533,
                'is_executable' => false,
                'content' => 'FEEL FREE TO ADD SOME DOCUMENTATION HERE'
            ],
            'mod/doc/README' => [
                'name' => 'README',
                'size' => 4566,
                'mtime' => 1219448533,
                'is_executable' => false,
                'content' => 'FEEL FREE TO ADD SOME DOCUMENTATION HERE'
            ]
        ];
        $fileHandlerMock = $this->getAccessibleMock(FileHandlingUtility::class, ['makeAndClearExtensionDir']);
        $extractedDirectories = $fileHandlerMock->_call('extractDirectoriesFromExtensionData', $files);
        $expected = [
            'doc/',
            'mod/doc/'
        ];
        self::assertSame($expected, array_values($extractedDirectories));
    }
 
    public function ‪createDirectoriesForExtensionFilesCreatesDirectories()
    {
        $rootPath = $this->fakedExtensions[$this->‪createFakeExtension()]['siteAbsPath'];
        $directories = [
            'doc/',
            'mod/doc/'
        ];
        $fileHandlerMock = $this->getAccessibleMock(FileHandlingUtility::class, ['makeAndClearExtensionDir']);
        self::assertFalse(is_dir($rootPath . 'doc/'));
        self::assertFalse(is_dir($rootPath . 'mod/doc/'));
        $fileHandlerMock->_call('createDirectoriesForExtensionFiles', $directories, $rootPath);
        self::assertTrue(is_dir($rootPath . 'doc/'));
        self::assertTrue(is_dir($rootPath . 'mod/doc/'));
    }
 
    public function ‪writeEmConfWritesEmConfFile()
    {
        $extKey = $this->‪createFakeExtension();
        $extensionData = [
            'extKey' => $extKey,
            'EM_CONF' => [
                'title' => 'Plugin cache engine',
                'description' => 'Provides an interface to cache plugin content elements based on 4.3 caching framework',
                'category' => 'Frontend',
            ]
        ];
        $rootPath = $this->fakedExtensions[$extKey]['siteAbsPath'];
        $emConfUtilityMock = $this->getAccessibleMock(EmConfUtility::class, ['constructEmConf']);
        $emConfUtilityMock->expects(self::once())->method('constructEmConf')->with($extensionData)->willReturn(var_export($extensionData['EM_CONF'], true));
        $fileHandlerMock = $this->getAccessibleMock(FileHandlingUtility::class, ['makeAndClearExtensionDir']);
        $fileHandlerMock->_set('emConfUtility', $emConfUtilityMock);
        $fileHandlerMock->_call('writeEmConfToFile', $extensionData, $rootPath);
        self::assertTrue(file_exists($rootPath . 'ext_emconf.php'));
    }
 
    protected function ‪getPreparedFileHandlingMockForDirectoryCreationTests()
    {
        $fileHandlerMock = $this->getMockBuilder(FileHandlingUtility::class)
            ->setMethods(['createNestedDirectory', 'getAbsolutePath', 'directoryExists'])
            ->getMock();
        $fileHandlerMock->expects(self::any())
            ->method('getAbsolutePath')
            ->willReturnArgument(0);
        return $fileHandlerMock;
    }
 
    public function ‪createZipFileFromExtensionGeneratesCorrectArchive()
    {
        // 42 second of first day in 1970 - used to have achieve stable file names
        ‪$GLOBALS['EXEC_TIME'] = 42;
 
        // Create extension for testing:
        $extKey = $this->‪createFakeExtension();
        $extensionRoot = $this->fakedExtensions[$extKey]['siteAbsPath'];
 
        // Build mocked fileHandlingUtility:
        $fileHandlerMock = $this->getAccessibleMock(
            FileHandlingUtility::class,
            ['getAbsoluteExtensionPath', 'getExtensionVersion']
        );
        $fileHandlerMock->expects(self::any())
            ->method('getAbsoluteExtensionPath')
            ->willReturn($extensionRoot);
        $fileHandlerMock->expects(self::any())
            ->method('getExtensionVersion')
            ->willReturn('0.0.0');
 
        // Add files and directories to extension:
        touch($extensionRoot . 'emptyFile.txt');
        file_put_contents($extensionRoot . 'notEmptyFile.txt', 'content');
        touch($extensionRoot . '.hiddenFile');
        mkdir($extensionRoot . 'emptyDir');
        mkdir($extensionRoot . 'notEmptyDir');
        touch($extensionRoot . 'notEmptyDir/file.txt');
 
        // Create zip-file from extension
        $filename = $fileHandlerMock->_call('createZipFileFromExtension', $extKey);
 
        $expectedFilename = ‪Environment::getVarPath() . '/transient/' . $extKey . '_0.0.0_' . date('YmdHi', 42) . '.zip';
        $this->testFilesToDelete[] = $filename;
        self::assertEquals($expectedFilename, $filename, 'Archive file name differs from expectation');
 
        // File was created
        self::assertTrue(file_exists($filename), 'Zip file not created');
 
        // Read archive and check its contents
        $archive = new \ZipArchive();
        self::assertTrue($archive->open($filename), 'Unable to open archive');
        self::assertEquals($archive->statName('emptyFile.txt')['size'], 0, 'Empty file not in archive');
        self::assertEquals($archive->getFromName('notEmptyFile.txt'), 'content', 'Expected content not found');
        self::assertFalse($archive->statName('.hiddenFile'), 'Hidden file not in archive');
        self::assertTrue(is_array($archive->statName('emptyDir/')), 'Empty directory not in archive');
        self::assertTrue(is_array($archive->statName('notEmptyDir/')), 'Not empty directory not in archive');
        self::assertTrue(is_array($archive->statName('notEmptyDir/file.txt')), 'File within directory not in archive');
 
        // Check that the archive has no additional content
        self::assertEquals($archive->numFiles, 5, 'Too many or too less files in archive');
    }
}