Files
sysPass/lib/SP/Services/Import/XmlFileImport.php
Rubén D e4e6e04c57 * [MOD] Updated copyright
Signed-off-by: Rubén D <nuxsmin@syspass.org>
2020-12-07 19:42:41 +01:00

145 lines
3.7 KiB
PHP

<?php
/*
* sysPass
*
* @author nuxsmin
* @link https://syspass.org
* @copyright 2012-2020, Rubén Domínguez nuxsmin@$syspass.org
*
* This file is part of sysPass.
*
* sysPass is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* sysPass is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with sysPass. If not, see <http://www.gnu.org/licenses/>.
*/
namespace SP\Services\Import;
use DOMDocument;
use SP\Storage\File\FileException;
/**
* Class XmlFileImport
*
* @package Import
*/
final class XmlFileImport
{
/**
* @var FileImport
*/
protected $fileImport;
/**
* @var DOMDocument
*/
protected $xmlDOM;
/**
* XmlFileImport constructor.
*
* @param FileImport $fileImport
*
* @throws ImportException
* @throws FileException
*/
public function __construct(FileImport $fileImport)
{
$this->fileImport = $fileImport;
$this->readXMLFile();
}
/**
* Leer el archivo a un objeto XML.
*
* @throws ImportException
* @throws FileException
*/
protected function readXMLFile()
{
libxml_use_internal_errors(true);
// Cargar el XML con DOM
$this->xmlDOM = new DOMDocument();
$this->xmlDOM->formatOutput = false;
$this->xmlDOM->preserveWhiteSpace = false;
if ($this->xmlDOM->loadXML($this->fileImport->readFileToString(), LIBXML_PARSEHUGE) === false) {
foreach (libxml_get_errors() as $error) {
logger(__METHOD__ . ' - ' . $error->message);
}
throw new ImportException(
__u('Internal error'),
ImportException::ERROR,
__u('Unable to process the XML file')
);
}
}
/**
* Detectar la aplicación que generó el XML.
*
* @return string
* @throws ImportException
*/
public function detectXMLFormat()
{
$nodes = $this->xmlDOM->getElementsByTagName('Generator');
if ($nodes->length > 0) {
$value = strtolower($nodes->item(0)->nodeValue);
if ($value === 'keepass' || $value === 'syspass') {
return $value;
}
}
throw new ImportException(
__u('XML file not supported'),
ImportException::ERROR,
__u('Unable to guess the application which data was exported from')
);
}
/**
* @return DOMDocument
*/
public function getXmlDOM()
{
return $this->xmlDOM;
}
/**
* Leer la cabecera del archivo XML y obtener patrones de aplicaciones conocidas.
*/
protected function parseFileHeader()
{
if (($handle = @fopen($this->fileImport->getFilePath(), 'r')) !== false) {
// No. de líneas a leer como máximo
$maxLines = 5;
$count = 0;
while (($buffer = fgets($handle, 4096)) !== false && $count <= $maxLines) {
if (preg_match('/(?P<header>KEEPASSX_DATABASE|revelationdata)/i', $buffer, $matches)) {
fclose($handle);
return strtolower($matches['header']);
}
$count++;
}
fclose($handle);
}
return null;
}
}