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<?php
/**
* Akeeba Engine
*
* @package akeebaengine
* @copyright Copyright (c)2006-2022 Nicholas K. Dionysopoulos / Akeeba Ltd
* @license GNU General Public License version 3, or later
*/
namespace Akeeba\Engine\Core\Domain;
defined('AKEEBAENGINE') || die();
use Akeeba\Engine\Base\Part;
use Akeeba\Engine\Factory;
use Akeeba\Engine\Platform;
/**
* Installer deployment
*/
class Installer extends Part
{
/** @var int Installer image file offset last read */
private $offset;
/** @var int How much installer data I have processed yet */
private $runningSize = 0;
/** @var int Installer image file index last read */
private $xformIndex = 0;
/** @var int Percentage of process done */
private $progress = 0;
/**
* Public constructor
*
* @return void
*/
public function __construct()
{
parent::__construct();
Factory::getLog()->debug(__CLASS__ . " :: New instance");
}
/**
* Implements the _prepare abstract method
*
*/
function _prepare()
{
$archive = Factory::getArchiverEngine();
// Add the backup description and comment in a README.html file in the
// installation directory. This makes it the first file in the archive.
if (!empty($this->installerSettings->readme ?? ''))
{
$data = $this->createReadme();
$archive->addFileVirtual('README.html', $this->installerSettings->installerroot, $data);
}
if (!empty($this->installerSettings->extrainfo ?? ''))
{
$data = $this->createExtrainfo();
$archive->addFileVirtual('extrainfo.json', $this->installerSettings->installerroot, $data);
}
if (!empty($this->installerSettings->password ?? ''))
{
$data = $this->createPasswordFile();
if (!empty($data))
{
$archive->addFileVirtual('password.php', $this->installerSettings->installerroot, $data);
}
}
$this->progress = 0;
// Set our state to prepared
$this->setState(self::STATE_PREPARED);
}
/**
* Implements the _run() abstract method
*/
function _run()
{
if ($this->getState() == self::STATE_POSTRUN)
{
Factory::getLog()->debug(__CLASS__ . " :: Already finished");
$this->setStep('');
$this->setSubstep('');
}
else
{
$this->setState(self::STATE_RUNNING);
}
// Try to step the archiver
$archive = Factory::getArchiverEngine();
$ret = $archive->transformJPA($this->xformIndex, $this->offset);
if ($ret !== false)
{
$this->offset = $ret['offset'];
$this->xformIndex = $ret['index'];
$this->setStep($ret['filename']);
}
// Check for completion
if ($ret['done'])
{
Factory::getLog()->debug(__CLASS__ . ":: archive is initialized");
$this->setState(self::STATE_FINISHED);
}
// Calculate percentage
$this->runningSize += $ret['chunkProcessed'] ?? 0;
if ($ret['filesize'] > 0)
{
$this->progress = $this->runningSize / $ret['filesize'];
}
}
/**
* Implements the _finalize() abstract method
*
*/
function _finalize()
{
$this->setState(self::STATE_FINISHED);
$this->progress = 1;
}
/**
* Implements the progress calculation based on how much of the installer image
* archive we have processed so far.
*/
public function getProgress()
{
return $this->progress;
}
/**
* Creates the contents of an HTML file with the description and comment of
* the backup. This file will be saved as README.html in the installer's root
* directory, as specified by the embedded installer's settings.
*
* @return string The contents of the HTML file.
*/
protected function createReadme()
{
$config = Factory::getConfiguration();
$version = defined('AKEEBABACKUP_VERSION') ? AKEEBABACKUP_VERSION : AKEEBA_VERSION;
$date = defined('AKEEBABACKUP_DATE') ? AKEEBABACKUP_DATE : AKEEBA_DATE;
$pro = defined('AKEEBABACKUP_PRO') ? AKEEBABACKUP_PRO : AKEEBA_PRO;
$lbl_version = $version . ' (' . $date . ')';
$lbl_coreorpro = ($pro == 1) ? 'Professional' : 'Core';
$description = $config->get('volatile.core.description', '');
$comment = $config->get('volatile.core.comment', '');
$config->set('volatile.core.description', null);
$config->set('volatile.core.comment', null);
return <<<ENDHTML
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>Akeeba Backup Archive Identity</title>
</head>
<body>
<h1>Backup Description</h1>
<p id="description"><![CDATA[$description]]></p>
<h1>Backup Comment</h1>
<div id="comment">
$comment
</div>
<hr/>
<p>
Akeeba Backup $lbl_coreorpro $lbl_version
</p>
</body>
</html>
ENDHTML;
}
protected function createExtrainfo()
{
$abversion = defined('AKEEBABACKUP_VERSION') ? AKEEBABACKUP_VERSION : AKEEBA_VERSION;
$host = Platform::getInstance()->get_host();
$backupdate = gmdate('Y-m-d H:i:s');
$phpversion = PHP_VERSION;
$rootPath = Platform::getInstance()->get_site_root();
$data = [
'host' => $host,
'backup_date' => $backupdate,
'akeeba_version' => $abversion,
'php_version' => $phpversion,
'root' => $rootPath,
];
$ret = json_encode($data, JSON_PRETTY_PRINT);
return $ret;
}
protected function createPasswordFile()
{
$config = Factory::getConfiguration();
$ret = '';
$password = $config->get('engine.installer.angie.key', '');
if (empty($password))
{
return $ret;
}
$randVal = Factory::getRandval();
$salt = $randVal->generateString(32);
$passhash = md5($password . $salt) . ':' . $salt;
$ret = "<?php\n";
$ret .= "define('AKEEBA_PASSHASH', '" . $passhash . "');\n";
return $ret;
}
}