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<?php
/**
* Copyright © 2013-2017 Magento, Inc. All rights reserved.
* See COPYING.txt for license details.
*/
namespace Magento\Update\Backup;
/**
* Data object, which stores information about files to be archived.
*/
class BackupInfo
{
/**#@+
* Types of backup
*/
const BACKUP_CODE = 'code';
const BACKUP_MEDIA = 'media';
const BACKUP_DB = 'db';
/**#@-*/
/**
* @var string
*/
protected $blacklistFilePath;
/**
* @var string[]
*/
protected $blacklist;
/**
* Init backup info
*
* @param string $blacklistFilePath
*/
public function __construct($blacklistFilePath = null)
{
$this->blacklistFilePath = $blacklistFilePath ? $blacklistFilePath : __DIR__ . '/../etc/backup_blacklist.txt';
}
/**
* Generate backup filename based on current timestamp.
*
* @return string
*/
public function generateBackupFilename()
{
$currentDate = gmdate('Y-m-d-H-i-s', time());
return 'backup-' . $currentDate . '.zip';
}
/**
* Return files/directories, which need to be excluded from backup
*
* @throws \RuntimeException
* @return string[]
*/
public function getBlacklist()
{
if (null === $this->blacklist) {
$blacklistContent = file_get_contents($this->blacklistFilePath);
if ($blacklistContent === FALSE) {
throw new \RuntimeException('Could not read the blacklist file: ' . $this->blacklistFilePath);
}
/** Ignore commented and empty lines */
$blacklistArray = explode("\n", $blacklistContent);
$blacklistArray = array_filter(
$blacklistArray,
function ($value) {
$value = trim($value);
return (empty($value) || strpos($value, '#') === 0) ? false : true;
}
);
$this->blacklist = $blacklistArray;
}
return $this->blacklist;
}
/**
* Return path to a directory, which need to be archived
*
* @return string
*/
public function getArchivedDirectory()
{
return MAGENTO_BP;
}
/**
* Return path, where backup have to be saved
*
* @return string
*/
public function getBackupPath()
{
return BACKUP_DIR;
}
/**
* Returns list of backup file paths
*
* @return array
*/
public function getBackupFilePaths()
{
$timeStamp = $this->getLastBackupFileTimestamp();
$backupTypes = [self::BACKUP_CODE, self::BACKUP_MEDIA];
$backupPaths = [];
foreach ($backupTypes as $backupType) {
$fileName = BACKUP_DIR . $timeStamp . '_filesystem_' . $backupType .'.tgz';
if (!file_exists($fileName)) {
$backupPaths['error'][] = 'Backup file does not exist for "' . $backupType . '"';
} else {
$backupPaths[$backupType]['filename'] = $fileName;
$backupPaths[$backupType]['type'] = 'rollback';
}
}
$fileName = BACKUP_DIR . $timeStamp .'_' . self::BACKUP_DB .'.gz';
if (!file_exists($fileName)) {
$backupPaths['error'][] = 'Backup file does not exist for "' . self::BACKUP_DB . '"';
} else {
$backupPaths[self::BACKUP_DB]['filename'] = $fileName;
$backupPaths[self::BACKUP_DB]['type'] = 'setup:rollback';
}
return $backupPaths;
}
/**
* Find the timestamp of the last backup file from backup directory.
*
* @throws \RuntimeException
* @return string
*/
private function getLastBackupFileTimestamp()
{
$allFileList = scandir(BACKUP_DIR, SCANDIR_SORT_DESCENDING);
$backupFileName = '';
if (isset($allFileList) && !empty($allFileList)) {
$backupFileName = explode('_', $allFileList[0])[0];
}
if (empty($backupFileName)) {
throw new \RuntimeException('Backup directory is empty');
}
return $backupFileName;
}
}