public static function getInstance()
{
if (self::$instance === null) {
self::$instance = new self();
}
return self::$instance;
}
public function addFileFromPath($filename, $path, $stateData)
{
$fp = fopen($path, 'rb');
$chunk = isset($stateData['chunk']) ? (int) $stateData['chunk'] : 0;
$deflate = sgfun('zlib.deflate');
if ($chunk > 0) {
fseek($fp, $chunk * self::CHUNK_SIZE);
$zlen = new Math_BigInteger($stateData['zlen']);
} else {
$zlen = new Math_BigInteger(0);
}
$notificationCenter = SGNotificationCenter::getInstance();
//read file in small chunks
while (!feof($fp)) {
if ($notificationCenter->postAskNotification(SG_NOTIFICATION_SHOULD_CONTINUE_ACTION) === false) {
$data = $deflate();
$this->write($data);
if ($chunk > 0) {
$zlen = $zlen->add(new Math_BigInteger(strlen($data)));
}
$this->totalWrittenBytes = $this->totalWrittenBytes->add(new Math_BigInteger(strlen($data)));
fclose($fp);
fclose($this->fileHandle);
$this->zoffsets[] = $this->totalWrittenBytes->toString();
$notificationCenter->postDoNotification(SG_NOTIFICATION_SAVE_FILES_ACTION_STATE, array('chunk' => $chunk, 'filename' => $filename, 'path' => $path, 'cdrSize' => $this->cdrFilesCount, 'zoffsets' => $this->zoffsets, 'zlen' => $zlen->toString()));
throw new SGExceptionPause();
}
$data = fread($fp, self::CHUNK_SIZE);
$data = $deflate($data);
$this->write($data);
$zlen = $zlen->add(new Math_BigInteger(strlen($data)));
$this->totalWrittenBytes = $this->totalWrittenBytes->add(new Math_BigInteger(strlen($data)));
$chunk++;
}
$data = $deflate();
$this->write($data);
$zlen = $zlen->add(new Math_BigInteger(strlen($data)));
$this->totalWrittenBytes = $this->totalWrittenBytes->add(new Math_BigInteger(strlen($data)));
fclose($fp);
$len = new Math_BigInteger(0);
$this->addFileToCdr($filename, $zlen, $len);
}
public function saveActionState($data)
{
$data['totalRowCount'] = $this->totalRowCount;
$data['currentRowCount'] = $this->currentRowCount;
$data['nextProgressUpdate'] = $this->nextProgressUpdate;
$notificationCenter = SGNotificationCenter::getInstance();
$notificationCenter->postDoNotification(SG_NOTIFICATION_SAVE_ACTION_STATE, array('databaseBackup' => $data));
}
public function backup()
{
$stateData = self::loadStateData();
if ($stateData) {
$this->continueBackupWithStateData($stateData);
} else {
$this->fileName = self::getBackupFileName();
$this->prepareBackupFolder(SG_BACKUP_DIRECTORY . $this->fileName);
}
$shouldContinue = true;
try {
if (!$stateData) {
$this->prepareForBackup();
}
if ($this->databaseBackupAvailable) {
$this->backupDatabase->setFilePath($this->databaseBackupPath);
$this->backupFiles->addDontExclude(realpath($this->databaseBackupPath));
if (!$stateData || isset($stateData['databaseBackup'])) {
if (!$this->filesBackupAvailable) {
SGConfig::set('SG_BACKUP_FILE_PATHS', '', false);
}
$this->backupDatabase->backup($this->databaseBackupPath, $stateData);
$stateData = array();
$rootDirectory = realpath(SGConfig::get('SG_APP_ROOT_DIRECTORY')) . '/';
$path = substr(realpath($this->databaseBackupPath), strlen($rootDirectory));
$this->backupFiles->addDontExclude(realpath($this->databaseBackupPath));
$backupItems = SGConfig::get('SG_BACKUP_FILE_PATHS');
$allItems = $backupItems ? explode(',', $backupItems) : array();
$allItems[] = $path;
SGConfig::set('SG_BACKUP_FILE_PATHS', implode(',', $allItems), false);
$currentStatus = $this->getCurrentActionStatus();
if ($currentStatus == SG_ACTION_STATUS_CANCELLING || $currentStatus == SG_ACTION_STATUS_CANCELLED) {
$this->cancel();
}
self::changeActionStatus($this->actionId, SG_ACTION_STATUS_IN_PROGRESS_FILES);
}
}
if (!$stateData || isset($stateData['filesBackup'])) {
$this->backupFiles->backup($this->filesBackupPath, $stateData);
$this->didFinishBackup();
}
} catch (SGException $exception) {
if ($exception instanceof SGExceptionSkip) {
$this->setCurrentActionStatusCancelled();
} else {
if ($exception instanceof SGExceptionPause) {
return;
} else {
SGBackupLog::writeExceptionObject($exception);
if ($this->databaseBackupAvailable) {
$this->backupDatabase->cancel();
}
$this->backupFiles->cancel();
if (SGBoot::isFeatureAvailable('NOTIFICATIONS')) {
SGBackupMailNotification::sendBackupNotification(false);
}
self::changeActionStatus($this->actionId, SG_ACTION_STATUS_ERROR);
}
}
$shouldContinue = false;
}
//check if should continue uploading backup to storages
if ($shouldContinue) {
try {
$this->backupUploadToStorages();
} catch (SGException $exception) {
if ($exception instanceof SGExceptionPause) {
return;
}
SGBackupLog::writeExceptionObject($exception);
}
}
$notificationCenter = SGNotificationCenter::getInstance();
$notificationCenter->postNotification(SG_NOTIFICATION_DID_FINISH_BACKUP);
}
public function saveActionState($data)
{
$data['nextProgressUpdate'] = $this->nextProgressUpdate;
$data['totalBackupFilesCount'] = $this->totalBackupFilesCount;
$data['currentBackupFileCount'] = $this->currentBackupFileCount;
$data['warningsFound'] = $this->warningsFound;
$data['stateOffset'] = ftell($this->stateFileHandle);
$notificationCenter = SGNotificationCenter::getInstance();
$notificationCenter->postDoNotification(SG_NOTIFICATION_SAVE_ACTION_STATE, array('filesBackup' => $data));
}
/**
* Table rows extractor
*
* @param string $tableName Name of table to export
*
* @return null
*/
private function listValues($tableName, $data)
{
if (empty($data)) {
$this->prepareListValues($tableName);
$onlyOnce = true;
$lineSize = 0;
$offset = 0;
$chunk = 0;
} else {
$onlyOnce = (int) @$data['onlyOnce'];
$lineSize = (int) @$data['lineSize'];
$chunk = (int) @$data['chunk'];
$offset = (int) @$data['offset'];
$offset += $chunk;
}
$colStmt = $this->getColumnStmt($tableName);
$stmt = "SELECT {$colStmt} FROM `{$tableName}`";
if ($this->dumpSettings['where']) {
$stmt .= " WHERE {$this->dumpSettings['where']}";
}
$limit = SG_BACKUP_DATABASE_INSERT_LIMIT;
$notificationCenter = SGNotificationCenter::getInstance();
while (true) {
$st = $this->dbHandler->exec($stmt . ' LIMIT ' . $offset . ',' . $limit);
$row = $this->dbHandler->fetch($st);
if (!$row) {
break;
}
while ($row) {
if ($notificationCenter->postAskNotification(SG_NOTIFICATION_SHOULD_CONTINUE_ACTION) === false) {
$notificationCenter->postDoNotification(SG_NOTIFICATION_SAVE_DB_ACTION_STATE, array('onlyOnce' => $onlyOnce, 'lineSize' => $lineSize, 'offset' => $offset, 'chunk' => $chunk, 'excludeTables' => $this->excludeTables, 'tables' => $this->tables, 'views' => $this->views, 'triggers' => $this->triggers));
$this->compressManager->close();
throw new SGExceptionPause();
}
$vals = $this->escape($tableName, $row);
if ($onlyOnce) {
$lineSize += $this->compressManager->write("INSERT INTO `{$tableName}` VALUES (" . implode(",", $vals) . ")");
$onlyOnce = false;
} else {
$lineSize += $this->compressManager->write(",(" . implode(",", $vals) . ")");
}
if ($lineSize > self::MAXLINESIZE) {
$onlyOnce = true;
$this->compressManager->write(";/*SGEnd*/" . PHP_EOL);
$lineSize = 0;
}
if ($this->delegate) {
$this->delegate->didExportRow();
}
$row = $this->dbHandler->fetch($st);
$chunk++;
}
$offset += $limit;
$chunk = 0;
}
if (!$onlyOnce) {
$this->compressManager->write(";/*SGEnd*/" . PHP_EOL);
}
$this->endListValues($tableName);
}
$options['directory'] = array('wp-content');
}
if (@$options['backupType'] == SG_BACKUP_TYPE_FULL) {
}
setManualBackupOptions($options);
} else {
$options = json_decode(SGConfig::get('SG_ACTIVE_BACKUP_OPTIONS'), true);
setManualBackupOptions($options);
}
$wpContent = basename(WP_CONTENT_DIR);
$upload_dir = wp_upload_dir();
$wpUploads = basename($upload_dir['basedir']);
$reloadHandler = new SGReloadHandler();
if ($reloadHandler->canReload()) {
$pauseHandler = new SGPauseHandler();
$notificationCenter = SGNotificationCenter::getInstance();
$notificationCenter->addObserver(SG_NOTIFICATION_SHOULD_CONTINUE_ACTION, $pauseHandler, 'shouldPause', true);
$notificationCenter->addObserver(SG_NOTIFICATION_DID_FINISH_BACKUP, $pauseHandler, 'didFinishBackup');
}
$b = new SGBackup();
$b->backup();
if ($reloadHandler->canReload()) {
$b->setReloading(true);
$reloadHandler->reload();
}
die(json_encode($success));
} catch (SGException $exception) {
array_push($error, $exception->getMessage());
die(json_encode($error));
}
function setManualBackupOptions($options)