/**
* Checks whether a file resides within a real storage in local file system.
* If no match is found, uid 0 is returned which is a fallback storage pointing to PATH_site.
*
* The file identifier is adapted accordingly to match the new storage's base path.
*
* @param string $localPath
*
* @return integer
*/
protected function findBestMatchingStorageByLocalPath(&$localPath)
{
if ($this->localDriverStorageCache === NULL) {
$this->initializeLocalStorageCache();
}
$bestMatchStorageUid = 0;
$bestMatchLength = 0;
foreach ($this->localDriverStorageCache as $storageUid => $basePath) {
$matchLength = strlen(PathUtility::getCommonPrefix(array($basePath, $localPath)));
$basePathLength = strlen($basePath);
if ($matchLength >= $basePathLength && $matchLength > $bestMatchLength) {
$bestMatchStorageUid = (int) $storageUid;
$bestMatchLength = $matchLength;
}
}
if ($bestMatchStorageUid !== 0) {
$localPath = substr($localPath, $bestMatchLength);
}
return $bestMatchStorageUid;
}
/**
* @param array $paths
* @param string $expected
* @dataProvider isCommonPrefixResolvedCorrectlyDataProvider
* @test
*/
public function isCommonPrefixResolvedCorrectly(array $paths, $expected)
{
$commonPrefix = \TYPO3\CMS\Core\Utility\PathUtility::getCommonPrefix($paths);
$this->assertEquals($expected, $commonPrefix);
}
/**
* Creates the log file with correct permissions
* and parent directories, if needed
*
* @return void
*/
protected function createLogFile()
{
if (file_exists($this->logFile)) {
return;
}
$logFileDirectory = dirname($this->logFile);
if (!@is_dir($logFileDirectory)) {
GeneralUtility::mkdir_deep($logFileDirectory);
// create .htaccess file if log file is within the site path
if (PathUtility::getCommonPrefix([PATH_site, $logFileDirectory]) === PATH_site) {
// only create .htaccess, if we created the directory on our own
$this->createHtaccessFile($logFileDirectory . '/.htaccess');
}
}
// create the log file
GeneralUtility::writeFile($this->logFile, '');
}