mirror of
https://github.com/OpenXE-org/OpenXE.git
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452 lines
14 KiB
PHP
452 lines
14 KiB
PHP
<?php
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namespace Xentral\Components\Backup;
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use PHPUnit\Runner\Exception;
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use Xentral\Components\Backup\Logger\BackupLog;
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use Xentral\Components\Backup\Exception\BackupException;
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use ZipArchive;
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final class FileBackup implements FileBackupInterface
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{
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/** @var string backup path */
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private $sUserPath;
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/** @var BackupLog $logger */
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private $logger;
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/** @var string $cacheTmp */
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private $cacheTmp;
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/**
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* @param BackupLog $logger
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* @param string $cacheTmp
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*/
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public function __construct(BackupLog $logger, $cacheTmp)
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{
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$this->logger = $logger;
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$this->cacheTmp = $cacheTmp;
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}
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/**
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* @return string
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*/
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protected function getMainPath()
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{
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$asPath = explode(DIRECTORY_SEPARATOR, $this->sUserPath);
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array_pop($asPath);
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return implode(DIRECTORY_SEPARATOR, $asPath) . DIRECTORY_SEPARATOR;
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}
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/**
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* returns the full file name path
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*
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* @param string $filename
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* @param bool $bIsSnapshots
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* @param null $userPath
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*
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* @throws BackupException
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* @return string
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*/
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public function getLocalPath($filename, $userPath = null, $bIsSnapshots = true)
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{
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if (null !== $userPath) {
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$this->sUserPath = $userPath;
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}
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$path = $this->getMainPath();
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if ($bIsSnapshots === true) {
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$path .= FileBackupInterface::SNAPSHOTS_FOLDER . DIRECTORY_SEPARATOR;
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}
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if (!file_exists($path) && !@mkdir($path) && !is_dir($path)) {
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$this->logger->writePersistent(sprintf('Directory "%s" was not created', $path));
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throw new BackupException(sprintf('Directory "%s" was not created', $path));
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}
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return $path . $filename;
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}
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/**
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* @return string
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*/
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private function tmpDir()
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{
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return $this->getMainPath() . 'backup/.backup' . DIRECTORY_SEPARATOR;
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}
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/**
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* @return string
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*/
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public function getSnapshotsDir()
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{
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return $this->getMainPath() . FileBackupInterface::SNAPSHOTS_FOLDER . DIRECTORY_SEPARATOR;
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}
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/**
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* @param $path
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*
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* @return false|int
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*/
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protected function addLock($path)
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{
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return $this->logger->write(time(), $path, FileBackupInterface::PID_FILE, false, false);
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}
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/**
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* @return bool
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*/
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private function tryPurgePidFile()
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{
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$pidFile = $this->tmpDir() . FileBackupInterface::PID_FILE;
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$time = file_get_contents($pidFile);
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if ((time() - (int)$time > FileBackupInterface::TIME_OUT)) {
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return unlink($pidFile);
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}
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return false;
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}
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/**
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* @param string|null $userPath
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*
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* @throws BackupException
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* @return string|null
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*/
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public function begin($userPath = null)
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{
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if (null !== $userPath) {
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$this->sUserPath = $userPath;
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}
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$path = $this->tmpDir();
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if (is_dir($path)) {
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@exec('rm -rf ' . $path);
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}
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$backupDir = $this->getMainPath() . 'backup';
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if (file_exists($backupDir . DIRECTORY_SEPARATOR . 'status.txt')) {
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@unlink($backupDir . DIRECTORY_SEPARATOR . 'status.txt');
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}
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if (file_exists($backupDir . DIRECTORY_SEPARATOR . 'session.txt')) {
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@unlink($backupDir . DIRECTORY_SEPARATOR . 'session.txt');
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}
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if (!file_exists($path) && !@mkdir($path, 0777, true) && !is_dir($path)) {
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$this->logger->writePersistent(sprintf('Directory "%s" was not created', $path));
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throw new BackupException(sprintf('Directory "%s" was not created', $path));
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}
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if ($this->getLockStatus() === FileBackupInterface::STATUS_WORKING && $this->tryPurgePidFile() === false) {
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return null;
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//throw new BackupException(sprintf('Backup is Running'));
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}
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if ($this->addLock($path) === false) {
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$this->logger->writePersistent('Failed start backup');
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throw new BackupException('Failed start backup');
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}
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return $path;
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}
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/**
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* @param string $file
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*
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* @return bool
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*/
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protected function cleanUp($file)
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{
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$path = $this->tmpDir();
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if ($this->moveDir($path . $file, $this->getLocalPath($file)) === true) {
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return $this->deleteDir($path);
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}
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$this->logger->writePersistent(sprintf('Clean Up of %s failed', $path));
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throw new BackupException(sprintf('Clean Up of %s failed', $path));
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}
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/**
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* @param string $class_name
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*
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* @return bool
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*/
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protected function classExists($class_name)
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{
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return class_exists($class_name);
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}
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/**
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* @param ZipArchive $oZip
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* @param string $fileName
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* @param int $flags
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*
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* @return mixed
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*/
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protected function openZipObject($oZip, $fileName, $flags = 0)
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{
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return $oZip->open($fileName, $flags);
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}
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/**
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* @param string $oldDir
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* @param string $newDir
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*
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* @return bool
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*/
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protected function moveDir($oldDir, $newDir)
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{
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return @rename($oldDir, $newDir);
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}
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/**
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* @param string $dir
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*
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* @return bool
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*/
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protected function isDir($dir)
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{
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return @mkdir($dir) || is_dir($dir);
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}
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/**
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* @return string
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*/
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public function getBackupExtension()
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{
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return FileBackupInterface::COMPRESS_EXTENSION;
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}
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/**
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* @param string $filename Zipped file name
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* @param string $userPath local directory to backup
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* @param string|null $sMySQLFile MySQL Backup file
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*
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* @return bool
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*/
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public function createBackup($filename, $userPath, $sMySQLFile = null)
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{
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$this->sUserPath = $userPath;
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$rootPath = realpath($userPath);
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if (!file_exists($userPath)) {
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$this->logger->writePersistent(sprintf('Directory "%s" was not found', $userPath));
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throw new BackupException(sprintf('Directory "%s" was not found', $userPath));
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}
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$tmpFilename = $this->tmpDir() . $filename;
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$sMySQLFullPath = $this->tmpDir() . $sMySQLFile;
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if (null !== $sMySQLFile && is_file($sMySQLFullPath) && filesize($sMySQLFullPath) > 1024) {
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$this->logger->write('Add MySQL file to Zip');
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exec('cd ' . $rootPath . ' && mv ' . $sMySQLFullPath . ' ' . $sMySQLFile);
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}
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exec('cd ' . $rootPath . ' && zip -r -9 ' . $tmpFilename . ' * .[^.]* -x "wiki/*"');
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if (null !== $sMySQLFile) {
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exec('cd ' . $rootPath . ' && rm -f ' . $sMySQLFile);
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}
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return $this->cleanUp($filename);
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}
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/**
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* @param string $dirPath
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*
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* @return bool
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*/
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private function deleteDir($dirPath)
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{
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if (is_dir($dirPath)) {
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if (substr($dirPath, strlen($dirPath) - 1, 1) !== '/') {
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$dirPath .= '/';
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}
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$files = glob($dirPath . '*', GLOB_MARK);
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foreach ($files as $file) {
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if (is_dir($file)) {
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$this->deleteDir($file);
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} else {
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unlink($file);
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}
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}
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return rmdir($dirPath);
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}
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$this->logger->writePersistent(sprintf('Deleted DIR %s failed', $dirPath));
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throw new BackupException(sprintf('Deleted DIR %s failed', $dirPath));
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}
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/**
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* @param string $backupFile
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* @param string $userPath
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* @param array $options
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*
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* @return bool
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*/
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public function restoreFileSystem($backupFile, $userPath, $options = [])
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{
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$default = ['template_file_dir' => null, 'exclude_dir' => ['wiki']];
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$options = array_merge($default, $options);
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$templateFileDir = $options['template_file_dir'];
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$this->sUserPath = $userPath;
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$bIsSnapshots = null === $templateFileDir;
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$this->sUserPath = null === $templateFileDir ? $userPath : $templateFileDir;
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if (file_exists($file = $this->getLocalPath($backupFile, null, $bIsSnapshots))) {
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$userDataPath = realpath($userPath);
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$tmpExtract = $this->tmpDir() . FileBackupInterface::LOCAL_FILES_DIR_NAME . 'tmp';
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if (!file_exists($tmpExtract) && !@mkdir($tmpExtract) && !is_dir($tmpExtract)) {
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$this->logger->writePersistent(sprintf('Directory "%s" was not created', $tmpExtract));
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throw new BackupException(sprintf('Directory "%s" was not created', $tmpExtract));
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}
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if (!$this->classExists('ZipArchive')) {
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$this->logger->writePersistent('Class ZipArchive is missing!');
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throw new BackupException('Class ZipArchive is missing!');
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}
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$oZip = new ZipArchive();
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if ($this->openZipObject($oZip, $file, ZipArchive::CHECKCONS) !== true) {
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$this->logger->writePersistent(sprintf('Failure to open file in "%s"', $file));
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throw new BackupException(sprintf('Failure to open file in "%s"', $file));
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}
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$oZip->extractTo($tmpExtract);
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$oZip->close();
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// move user data
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$shortTmp = rtrim(sys_get_temp_dir(), DIRECTORY_SEPARATOR) . DIRECTORY_SEPARATOR . '.rmTmp';
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$sBeforeTmp = $shortTmp . uniqid('', true) . 'before';
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if (!$this->isDir($sBeforeTmp)) {
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$this->logger->writePersistent(sprintf('Directory "%s" was not created', $sBeforeTmp));
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throw new BackupException(sprintf('Directory "%s" was not created', $sBeforeTmp));
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}
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$this->logger->write('Moving userdata away');
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if (!$this->moveDir($userDataPath, $sBeforeTmp)) {
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$this->logger->writePersistent(sprintf('Moving %s into %s failed! ', $userDataPath, $sBeforeTmp));
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throw new BackupException(sprintf('Moving %s into %s failed! ', $userDataPath, $sBeforeTmp));
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}
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if (array_key_exists('exclude_dir', $options) && is_array($options['exclude_dir'])) {
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$this->excludeDirectory($options['exclude_dir'], $tmpExtract, $sBeforeTmp);
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}
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$this->logger->write('Recovering userData');
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if (!$this->moveDir($tmpExtract, $userDataPath)) {
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$this->logger->writePersistent(sprintf('Moving %s into %s failed!', $tmpExtract, $userDataPath));
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throw new BackupException(sprintf('Moving %s into %s failed!', $tmpExtract, $userDataPath));
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}
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// FIX TMP ISSUE
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if (!empty($this->cacheTmp) && is_dir($this->cacheTmp)) {
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$this->logger->write('Delete DB tmp');
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$this->deleteDir($this->cacheTmp);
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}
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// remove DB if exists
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$backupFileExploded = explode('.', $backupFile);
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array_pop($backupFileExploded);
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$tmpSql = implode('.', $backupFileExploded) . '.sql.gz';
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if (is_file($userDataPath . DIRECTORY_SEPARATOR . $tmpSql)) {
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exec('cd ' . $userDataPath . ' && rm -f ' . $tmpSql);
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}
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return $this->deleteDir($this->tmpDir()) && $this->deleteDir($sBeforeTmp);
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}
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return false;
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}
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/**
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* @param array $excludeDir
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* @param string $tmpDir extracted temporally directory
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* @param string $oldUserDataDir
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*/
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protected function excludeDirectory($excludeDir = [], $tmpDir, $oldUserDataDir)
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{
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foreach ($excludeDir as $directory) {
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// EXCLUDE WIKI DIRECTORY
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$keepPath = $tmpDir . DIRECTORY_SEPARATOR . $directory;
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$keepDirTmp = $oldUserDataDir . DIRECTORY_SEPARATOR . $directory;
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if (!is_dir($keepPath) && $directory !== 'wiki') {
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$this->logger->writePersistent(sprintf('Directory "%s" cannot be skipped', $keepPath));
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throw new BackupException(sprintf('Directory "%s" cannot be skipped', $keepPath));
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}
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if ($directory !== 'wiki') {
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$this->deleteDir($keepPath);
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}
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if (file_exists($keepDirTmp)) {
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$oldDirTmp = rtrim(
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sys_get_temp_dir(),
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DIRECTORY_SEPARATOR
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) . DIRECTORY_SEPARATOR . '.' . $directory . 'Tmp' . uniqid('', true);
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if (!$this->isDir($oldDirTmp)) {
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$this->logger->writePersistent(sprintf('Directory "%s" was not created', $oldDirTmp));
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throw new BackupException(sprintf('Directory "%s" was not created', $oldDirTmp));
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}
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$oldDir = $oldDirTmp . DIRECTORY_SEPARATOR . $directory;
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if (!$this->moveDir($keepDirTmp, $oldDir)) {
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$this->logger->writePersistent(sprintf('Could not move %s directory into "%s"', $directory,
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$oldDir));
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throw new BackupException(sprintf('Could not move %s directory into "%s"', $directory,
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$oldDir));
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}
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}
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// Reset Latest WIKI Directory
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if (isset($oldDir) && is_dir($oldDir)) {
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$this->logger->write('Reset Wiki Directory');
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if (!$this->moveDir($oldDir, $keepPath)) {
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$this->logger->writePersistent(sprintf('Could not move %s directory into "%s"', $oldDir,
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$keepPath));
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throw new BackupException(sprintf('Could not move %s directory into "%s"', $oldDir, $keepPath));
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}
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}
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}
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}
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/**
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* @param string|null $userDataDir
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*
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* @return string
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*/
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public function getLockStatus($userDataDir = null)
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{
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if (null !== $userDataDir) {
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$this->sUserPath = $userDataDir;
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}
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$path = $this->tmpDir();
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if (file_exists($path . FileBackupInterface::PID_FILE) &&
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($time = file_get_contents($path . FileBackupInterface::PID_FILE)) &&
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(time() - (int)$time < FileBackupInterface::TIME_OUT)
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) {
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return FileBackupInterface::STATUS_WORKING;
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}
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return FileBackupInterface::STATUS_WAITING;
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}
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/**
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* Clean everything without files move. This might be used, when breaking started backup job
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*
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* @return bool
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*/
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public function breakCleanUp()
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{
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return $this->deleteDir($this->tmpDir());
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}
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}
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