mirror of
https://github.com/nuxsmin/sysPass.git
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316 lines
10 KiB
PHP
316 lines
10 KiB
PHP
<?php
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/**
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* sysPass
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*
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* @author nuxsmin
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* @link http://syspass.org
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* @copyright 2012-2018, Rubén Domínguez nuxsmin@$syspass.org
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*
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* This file is part of sysPass.
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*
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* sysPass is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* sysPass is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with sysPass. If not, see <http://www.gnu.org/licenses/>.
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*/
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namespace SP\Services\Backup;
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use Psr\Container\ContainerExceptionInterface;
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use Psr\Container\NotFoundExceptionInterface;
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use SP\Bootstrap;
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use SP\Config\ConfigData;
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use SP\Core\Events\Event;
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use SP\Core\Events\EventMessage;
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use SP\Core\Exceptions\SPException;
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use SP\Services\Service;
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use SP\Services\ServiceException;
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use SP\Storage\Database;
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use SP\Storage\DBUtil;
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use SP\Storage\DbWrapper;
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use SP\Storage\FileHandler;
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use SP\Storage\QueryData;
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use SP\Util\Checks;
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use SP\Util\Util;
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defined('APP_ROOT') || die();
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/**
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* Esta clase es la encargada de realizar la copia de sysPass.
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*/
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class FileBackupService extends Service
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{
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/**
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* @var ConfigData
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*/
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protected $configData;
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/**
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* Realizar backup de la BBDD y aplicación.
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*
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* @throws ContainerExceptionInterface
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* @throws NotFoundExceptionInterface
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* @throws ServiceException
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*/
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public function doBackup()
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{
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$siteName = Util::getAppInfo('appname');
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// Generar hash unico para evitar descargas no permitidas
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$backupUniqueHash = sha1(uniqid('sysPassBackup', true));
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$this->configData->setBackupHash($backupUniqueHash);
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$this->config->saveConfig();
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$bakFileApp = BACKUP_PATH . DIRECTORY_SEPARATOR . $siteName . '-' . $backupUniqueHash . '.tar';
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$bakFileDB = BACKUP_PATH . DIRECTORY_SEPARATOR . $siteName . '_db-' . $backupUniqueHash . '.sql';
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try {
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$this->checkBackupDir();
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$this->deleteOldBackups();
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$this->eventDispatcher->notifyEvent('run.backup.start',
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new Event($this,
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EventMessage::factory()->addDescription(__u('Realizar Backup'))));
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$this->backupTables('*', new FileHandler($bakFileDB));
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$this->backupApp($bakFileApp);
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} catch (ServiceException $e) {
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throw $e;
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} catch (\Exception $e) {
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throw new ServiceException(
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__u('Error al realizar el backup'),
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SPException::ERROR,
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__u('Revise el registro de eventos para más detalles'),
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$e->getCode(),
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$e
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);
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}
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}
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/**
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* Comprobar y crear el directorio de backups.
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*
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* @throws ServiceException
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* @return bool
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*/
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private function checkBackupDir()
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{
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if (@mkdir(BACKUP_PATH, 0750) === false && is_dir(BACKUP_PATH) === false) {
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throw new ServiceException(
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sprintf(__('No es posible crear el directorio de backups ("%s")'), BACKUP_PATH));
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}
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if (!is_writable(BACKUP_PATH)) {
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throw new ServiceException(
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__u('Compruebe los permisos del directorio de backups'));
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}
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return true;
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}
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/**
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* Eliminar las copias de seguridad anteriores
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*/
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private function deleteOldBackups()
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{
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array_map('unlink', glob(BACKUP_PATH . DIRECTORY_SEPARATOR . '*.tar.gz'));
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array_map('unlink', glob(BACKUP_PATH . DIRECTORY_SEPARATOR . '*.sql'));
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}
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/**
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* Backup de las tablas de la BBDD.
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* Utilizar '*' para toda la BBDD o 'table1 table2 table3...'
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*
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* @param string|array $tables
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* @param FileHandler $fileHandler
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* @throws ContainerExceptionInterface
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* @throws NotFoundExceptionInterface
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* @throws SPException
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* @throws \SP\Core\Dic\ContainerException
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* @throws \SP\Storage\FileException
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*/
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private function backupTables($tables = '*', FileHandler $fileHandler)
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{
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$this->eventDispatcher->notifyEvent('run.backup.process',
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new Event($this,
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EventMessage::factory()->addDescription(__u('Copiando base de datos')))
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);
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$fileHandler->open('w');
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$db = $this->dic->get(Database::class);
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$queryData = new QueryData();
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if ($tables === '*') {
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$resTables = DBUtil::$tables;
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} else {
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$resTables = is_array($tables) ? $tables : explode(',', $tables);
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}
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$lineSeparator = PHP_EOL . PHP_EOL;
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$dbname = $this->configData->getDbName();
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$sqlOut = '--' . PHP_EOL;
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$sqlOut .= '-- sysPass DB dump generated on ' . time() . ' (START)' . PHP_EOL;
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$sqlOut .= '--' . PHP_EOL;
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$sqlOut .= '-- Please, do not alter this file, it could break your DB' . PHP_EOL;
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$sqlOut .= '--' . PHP_EOL . PHP_EOL;
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$sqlOut .= 'CREATE DATABASE IF NOT EXISTS `' . $dbname . '`;' . PHP_EOL . PHP_EOL;
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$sqlOut .= 'USE `' . $dbname . '`;' . PHP_EOL . PHP_EOL;
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$fileHandler->write($sqlOut);
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$sqlOutViews = '';
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// Recorrer las tablas y almacenar los datos
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foreach ($resTables as $table) {
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$tableName = is_object($table) ? $table->{'Tables_in_' . $dbname} : $table;
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$queryData->setQuery('SHOW CREATE TABLE ' . $tableName);
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// Consulta para crear la tabla
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$txtCreate = DbWrapper::getResults($queryData, $db);
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if (isset($txtCreate->{'Create Table'})) {
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$sqlOut = '-- ' . PHP_EOL;
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$sqlOut .= '-- Table ' . strtoupper($tableName) . PHP_EOL;
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$sqlOut .= '-- ' . PHP_EOL;
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$sqlOut .= 'DROP TABLE IF EXISTS `' . $tableName . '`;' . PHP_EOL . PHP_EOL;
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$sqlOut .= $txtCreate->{'Create Table'} . ';' . PHP_EOL . PHP_EOL;
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$fileHandler->write($sqlOut);
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} elseif ($txtCreate->{'Create View'}) {
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$sqlOutViews .= '-- ' . PHP_EOL;
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$sqlOutViews .= '-- View ' . strtoupper($tableName) . PHP_EOL;
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$sqlOutViews .= '-- ' . PHP_EOL;
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$sqlOutViews .= 'DROP TABLE IF EXISTS `' . $tableName . '`;' . PHP_EOL . PHP_EOL;
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$sqlOutViews .= $txtCreate->{'Create View'} . ';' . PHP_EOL . PHP_EOL;
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}
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$fileHandler->write($lineSeparator);
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}
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// Guardar las vistas
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$fileHandler->write($sqlOutViews);
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// Guardar los datos
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foreach ($resTables as $tableName) {
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// No guardar las vistas!
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if (strrpos($tableName, '_v') !== false) {
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continue;
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}
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$queryData->setQuery('SELECT * FROM `' . $tableName . '`');
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// Consulta para obtener los registros de la tabla
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$queryRes = DbWrapper::getResultsRaw($queryData, $db);
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$numColumns = $queryRes->columnCount();
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while ($row = $queryRes->fetch(\PDO::FETCH_NUM)) {
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$fileHandler->write('INSERT INTO `' . $tableName . '` VALUES(');
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$field = 1;
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foreach ($row as $value) {
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if (is_numeric($value)) {
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$fileHandler->write($value);
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} else {
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$fileHandler->write(DBUtil::escape($value, $db->getDbHandler()));
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}
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if ($field < $numColumns) {
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$fileHandler->write(',');
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}
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$field++;
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}
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$fileHandler->write(');' . PHP_EOL);
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}
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}
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$sqlOut = '--' . PHP_EOL;
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$sqlOut .= '-- sysPass DB dump generated on ' . time() . ' (END)' . PHP_EOL;
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$sqlOut .= '--' . PHP_EOL;
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$sqlOut .= '-- Please, do not alter this file, it could break your DB' . PHP_EOL;
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$sqlOut .= '--' . PHP_EOL . PHP_EOL;
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$fileHandler->write($sqlOut);
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$fileHandler->close();
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}
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/**
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* Realizar un backup de la aplicación y comprimirlo.
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*
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* @param string $backupFile nombre del archivo de backup
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* @return bool
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* @throws ServiceException
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*/
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private function backupApp($backupFile)
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{
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$this->eventDispatcher->notifyEvent('run.backup.process',
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new Event($this,
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EventMessage::factory()->addDescription(__u('Copiando aplicación')))
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);
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if (!class_exists(\PharData::class)) {
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if (Checks::checkIsWindows()) {
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throw new ServiceException(
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__u('Esta operación sólo es posible en entornos Linux'), ServiceException::INFO);
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}
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if (!$this->backupAppLegacyLinux($backupFile)) {
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throw new ServiceException(
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__u('Error al realizar backup en modo compatibilidad'));
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}
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}
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$compressedFile = $backupFile . '.gz';
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if (file_exists($compressedFile)) {
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unlink($compressedFile);
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}
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$archive = new \PharData($backupFile);
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$archive->buildFromDirectory(Bootstrap::$SERVERROOT, '/^(?!backup).*$/');
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$archive->compress(\Phar::GZ);
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unlink($backupFile);
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return file_exists($backupFile);
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}
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/**
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* Realizar un backup de la aplicación y comprimirlo usando aplicaciones del SO Linux.
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*
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* @param string $backupFile nombre del archivo de backup
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* @return int Con el código de salida del comando ejecutado
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*/
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private function backupAppLegacyLinux($backupFile)
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{
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$compressedFile = $backupFile . '.gz';
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$command = 'tar czf ' . $compressedFile . ' ' . BASE_PATH . ' --exclude "' . BACKUP_PATH . '" 2>&1';
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exec($command, $resOut, $resBakApp);
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return $resBakApp;
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}
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/**
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* @throws \Psr\Container\ContainerExceptionInterface
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* @throws \Psr\Container\NotFoundExceptionInterface
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*/
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protected function initialize()
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{
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$this->configData = $this->config->getConfigData();
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}
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} |