SimpleLockStrategyTest.php

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<?php
namespace ‪TYPO3\CMS\Core\Tests\Unit\Locking;
 
/*
 * 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 PHPUnit\Framework\SkippedTestError;
use ‪TYPO3\CMS\Core\Core\Environment;
use ‪TYPO3\CMS\Core\Locking\SimpleLockStrategy;
use ‪TYPO3\CMS\Core\Utility\GeneralUtility;
use TYPO3\TestingFramework\Core\Unit\UnitTestCase;
 
class ‪SimpleLockStrategyTest extends UnitTestCase
{
    public function ‪constructorCreatesLockDirectoryIfNotExisting()
    {
        GeneralUtility::rmdir(‪Environment::getVarPath() . '/' . ‪SimpleLockStrategy::FILE_LOCK_FOLDER, true);
        new ‪SimpleLockStrategy('999999999');
        $this->assertTrue(is_dir(‪Environment::getVarPath() . '/' . ‪SimpleLockStrategy::FILE_LOCK_FOLDER));
    }
 
    public function ‪constructorSetsResourceToPathWithIdIfUsingSimpleLocking()
    {
        $lock = $this->getAccessibleMock(SimpleLockStrategy::class, ['dummy'], ['999999999']);
        $this->assertSame(‪Environment::getVarPath() . '/' . ‪SimpleLockStrategy::FILE_LOCK_FOLDER . 'simple_' . md5('999999999'), $lock->_get('filePath'));
    }
 
    public function ‪acquireFixesPermissionsOnLockFile()
    {
        if (‪Environment::isWindows()) {
            $this->markTestSkipped('Test not available on Windows.');
        }
        // Use a very high id to be unique
        $lock = $this->getAccessibleMock(SimpleLockStrategy::class, ['dummy'], ['999999999']);
 
        $pathOfLockFile = $lock->_get('filePath');
 
        ‪$GLOBALS['TYPO3_CONF_VARS']['SYS']['fileCreateMask'] = '0777';
 
        // Acquire lock, get actual file permissions and clean up
        $lock->acquire();
        clearstatcache();
        $resultFilePermissions = substr(decoct(fileperms($pathOfLockFile)), 2);
        $lock->release();
        $this->assertEquals($resultFilePermissions, '0777');
    }
 
    public function ‪releaseRemovesLockfileInTypo3TempLocks()
    {
        $lock = $this->getAccessibleMock(SimpleLockStrategy::class, ['dummy'], ['999999999']);
 
        $pathOfLockFile = $lock->_get('filePath');
 
        $lock->acquire();
        $lock->release();
 
        $this->assertFalse(is_file($pathOfLockFile));
    }
 
    public function ‪invalidFileReferences()
    {
        return [
            'not within project path' => [tempnam(sys_get_temp_dir(), 'foo')],
            'directory traversal' => [‪Environment::getVarPath() . '/../var/lock/foo'],
            'directory traversal 2' => [‪Environment::getVarPath() . '/lock/../../var/lock/foo'],
            'within uploads' => [‪Environment::getPublicPath() . '/uploads/TYPO3-Lock-Test']
        ];
    }
 
    public function ‪releaseDoesNotRemoveFilesNotWithinTypo3TempLocksDirectory($file)
    {
        // Create test file
        @touch($file);
        if (!is_file($file)) {
            $this->markTestIncomplete('releaseDoesNotRemoveFilesNotWithinTypo3TempLocksDirectory() skipped: Test file could not be created');
        }
        // Create instance, set lock file to invalid path
        $lock = $this->getAccessibleMock(SimpleLockStrategy::class, ['dummy'], ['999999999']);
        $lock->_set('filePath', $file);
        $lock->_set('isAcquired', true);
 
        // Call release method
        $lock->release();
        // Check if file is still there and clean up
        $fileExists = is_file($file);
        if (is_file($file)) {
            unlink($file);
        }
        $this->assertTrue($fileExists);
    }
}