Files
2024-07-15 11:28:08 +02:00

364 lines
9.4 KiB
PHP

<?php
/**
* @package solo
* @copyright Copyright (c)2014-2019 Nicholas K. Dionysopoulos / Akeeba Ltd
* @license GNU GPL version 3 or later
*/
namespace Solo\Model;
use Akeeba\Engine\Archiver\Directftp;
use Akeeba\Engine\Factory;
use Akeeba\Engine\Platform;
use Awf\Html\Select;
use Awf\Mvc\Model;
use Awf\Session\Randval;
use Awf\Text\Text;
use Solo\Helper\Escape;
class Restore extends Model
{
/** @var array The backup record being restored */
private $data = array();
/** @var string The extension of the archive being restored */
private $extension = null;
/** @var string Absolute path to the archive being restored */
private $path = null;
/** @var string Random password, used to secure the restoration */
public $password;
/**
* Validates the data passed to the request.
*
* @return void
*
* @throws \RuntimeException
*/
function validateRequest()
{
// Is this a valid backup entry?
$id = $this->getState('id', 0);
$profile_id = $this->getState('profileid', 0);
if (empty($id) && ($profile_id <= 0))
{
throw new \RuntimeException(Text::_('COM_AKEEBA_RESTORE_ERROR_INVALID_RECORD'), 500);
}
if (empty($id))
{
$id = $this->getLatestBackupForProfile($profile_id);
}
$data = Platform::getInstance()->get_statistics($id);
if (empty($data))
{
throw new \RuntimeException(Text::_('COM_AKEEBA_RESTORE_ERROR_INVALID_RECORD'), 500);
}
if ($data['status'] != 'complete')
{
throw new \RuntimeException(Text::_('COM_AKEEBA_RESTORE_ERROR_INVALID_RECORD'), 500);
}
// Load the profile ID (so that we can find out the output directory)
$profile_id = $data['profile_id'];
Platform::getInstance()->load_configuration($profile_id);
$path = $data['absolute_path'];
$exists = @file_exists($path);
if (!$exists)
{
// Let's try figuring out an alternative path
$config = Factory::getConfiguration();
$path = $config->get('akeeba.basic.output_directory', '') . '/' . $data['archivename'];
$exists = @file_exists($path);
}
if (!$exists)
{
throw new \RuntimeException(Text::_('COM_AKEEBA_RESTORE_ERROR_ARCHIVE_MISSING'), 500);
}
$filename = basename($path);
$lastDot = strrpos($filename, '.');
$extension = strtoupper(substr($filename, $lastDot + 1));
if (!in_array($extension, array('JPS', 'JPA', 'ZIP')))
{
throw new \RuntimeException(Text::_('COM_AKEEBA_RESTORE_ERROR_INVALID_TYPE'), 500);
}
$this->data = $data;
$this->path = $path;
$this->extension = $extension;
$this->setState('extension', $extension);
}
/**
* Finds the latest backup for a given backup profile with an "OK" status (the archive file exists on your server).
* If none is found a RuntimeException is thrown.
*
* This method uses the code from the Transfers model for DRY reasons.
*
* @param int $profileID The profile in which to locate the latest valid backup
*
* @return int
*
* @throws \RuntimeException
*
* @since 5.3.0
*/
public function getLatestBackupForProfile($profileID)
{
/** @var Transfers $transferModel */
$transferModel = new Transfers($this->container);
$latestBackup = $transferModel->getLatestBackupInformation($profileID);
if (empty($latestBackup))
{
throw new \RuntimeException(Text::sprintf('COM_AKEEBA_RESTORE_ERROR_NO_LATEST', $profileID));
}
return $latestBackup['id'];
}
/**
* Creates the restoration.php file with the restoration engine parameters
*
* @return void
*
* @throws \RuntimeException
*/
function createRestorationFile()
{
// Get a password
$randVal = new Randval(new \Awf\Utils\Phpfunc());
$this->password = base64_encode($randVal->generate(32));
$this->setState('password', $this->password);
// Do we have to use FTP?
$procEngine = $this->getState('procengine', 'direct');
// Get the absolute path to site's root
$configuration = Factory::getConfiguration();
if ($configuration->get('akeeba.platform.override_root', 0))
{
$siteRoot = $configuration->get('akeeba.platform.newroot', '[SITEROOT]');
}
else
{
$siteRoot = '[SITEROOT]';
}
if (stristr($siteRoot, '['))
{
$siteRoot = Factory::getFilesystemTools()->translateStockDirs($siteRoot);
}
if (empty($siteRoot))
{
throw new \RuntimeException(Text::_('SOLO_RESTORE_ERR_NOSITEROOT'), 500);
}
// Get the JPS password
$password = Escape::escapeJS($this->getState('jps_key'));
// Get min / max execution time
$min_exec = $this->getState('min_exec', 0, 'int');
$max_exec = $this->getState('max_exec', 5, 'int');
$bias = 75;
// Used for tests
if (defined('AKEEBA_TESTS_SLOW_RESTORATION'))
{
$max_exec = 2;
$min_exec = 1;
$bias = 75;
}
$data = "<?php\ndefined('_AKEEBA_RESTORATION') or die();\n";
$data .= '$restoration_setup = array(' . "\n";
$data .= <<<ENDDATA
'kickstart.security.password' => '{$this->password}',
'kickstart.tuning.max_exec_time' => '$max_exec',
'kickstart.tuning.run_time_bias' => '$bias',
'kickstart.tuning.min_exec_time' => '$min_exec',
'kickstart.procengine' => '$procEngine',
'kickstart.setup.sourcefile' => '{$this->path}',
'kickstart.setup.destdir' => '$siteRoot',
'kickstart.setup.restoreperms' => '0',
'kickstart.setup.filetype' => '{$this->extension}',
'kickstart.setup.dryrun' => '0',
'kickstart.jps.password' => '$password'
ENDDATA;
/**
* Should I enable the “Delete everything before extraction” option?
*
* This requires TWO conditions to be true:
*
* 1. The application-level configuration option showDeleteOnRestore was enabled to show the option to the user
* 2. The user has enabled this option (the Controller sets it in the zapbefore model variable)
*/
$shownDeleteOnRestore = $this->container->appConfig->get('showDeleteOnRestore', 0) == 1;
if ($shownDeleteOnRestore && ($this->getState('zapbefore', 0, 'int') == 1))
{
$data .= ",\n\t'kickstart.setup.zapbefore' => '1'";
}
// If we're using the FTP or Hybrid engine we need to set up the FTP parameters
if (in_array($procEngine, array('ftp', 'hybrid')))
{
$ftp_host = $this->getState('ftp_host', '');
$ftp_port = $this->getState('ftp_port', '21');
$ftp_user = $this->getState('ftp_user', '');
$ftp_pass = addcslashes($this->getState('ftp_pass', ''), "'\\");
$ftp_root = $this->getState('ftp_root', '');
$ftp_ssl = $this->getState('ftp_ssl', 0);
$ftp_pasv = $this->getState('ftp_root', 1);
$tempdir = $this->getState('tmp_path', '');
$data .= <<<ENDDATA
,
'kickstart.ftp.ssl' => '$ftp_ssl',
'kickstart.ftp.passive' => '$ftp_pasv',
'kickstart.ftp.host' => '$ftp_host',
'kickstart.ftp.port' => '$ftp_port',
'kickstart.ftp.user' => '$ftp_user',
'kickstart.ftp.pass' => '$ftp_pass',
'kickstart.ftp.dir' => '$ftp_root',
'kickstart.ftp.tempdir' => '$tempdir'
ENDDATA;
}
$data .= ');';
// Remove the old file, if it's there...
$configPath = APATH_BASE . '/restoration.php';
$fs = $this->container->fileSystem;
clearstatcache(true, $configPath);
if (@file_exists($configPath))
{
$fs->delete($configPath);
}
// Write new file
$fs->write($configPath, $data);
// Clear opcode caches for the generated .php file
if (function_exists('opcache_invalidate'))
{
opcache_invalidate($configPath);
}
if (function_exists('apc_compile_file'))
{
apc_compile_file($configPath);
}
if (function_exists('wincache_refresh_if_changed'))
{
wincache_refresh_if_changed(array($configPath));
}
if (function_exists('xcache_asm'))
{
xcache_asm($configPath);
}
}
/**
* Returns the default FTP parameters
*
* @return array
*/
function getFTPParams()
{
$config = $this->container->appConfig;
return array(
'procengine' => $config->get('fs.driver', 'file') == 'ftp' ? 'hybrid' : 'direct',
'ftp_host' => $config->get('fs.host', 'localhost'),
'ftp_port' => $config->get('fs.port', '21'),
'ftp_user' => $config->get('fs.username', ''),
'ftp_pass' => $config->get('fs.password', ''),
'ftp_root' => $config->get('fs.directory', ''),
'tempdir' => APATH_BASE . '/tmp'
);
}
/**
* Gets the options for the extraction mode drop-down
*
* @return array
*/
function getExtractionModes()
{
$options = array();
$options[] = Select::option('hybrid', Text::_('COM_AKEEBA_RESTORE_LABEL_EXTRACTIONMETHOD_HYBRID'));
$options[] = Select::option('direct', Text::_('COM_AKEEBA_RESTORE_LABEL_EXTRACTIONMETHOD_DIRECT'));
$options[] = Select::option('ftp', Text::_('COM_AKEEBA_RESTORE_LABEL_EXTRACTIONMETHOD_FTP'));
return $options;
}
/**
* AJAX request proxy
*
* @return boolean
*/
function doAjax()
{
$ajax = $this->getState('ajax');
switch ($ajax)
{
// FTP Connection test for DirectFTP
case 'testftp':
// Grab request parameters
$config = array(
'host' => $this->input->get('host', '', 'none', 2),
'port' => $this->input->get('port', 21, 'int'),
'user' => $this->input->get('user', '', 'none', 2),
'pass' => $this->input->get('pass', '', 'none', 2),
'initdir' => $this->input->get('initdir', '', 'none', 2),
'usessl' => $this->input->get('usessl', 'cmd') == 'true',
'passive' => $this->input->get('passive', 'cmd') == 'true'
);
// Perform the FTP connection test
$test = new Directftp();
$test->initialize('', $config);
$errors = $test->getError();
if (empty($errors))
{
$result = true;
}
else
{
$result = $errors;
}
break;
// Unrecognized AJAX task
default:
$result = false;
break;
}
return $result;
}
}