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Viewing File: /home/astoriaah/www/old15/administrator/components/com_akeeba/assets/xmlslurp/xmlslurp.php
<?php
/**
* @package LiveUpdate
* @copyright Copyright (c)2010-2013 Nicholas K. Dionysopoulos / AkeebaBackup.com
* @license GNU GPLv3 or later <https://www.gnu.org/licenses/gpl.html>
*/
defined('_JEXEC') or die();
class LiveUpdateXMLSlurp extends JObject
{
private $_info = array();
public function getInfo($extensionName, $xmlName)
{
if (!array_key_exists($extensionName, $this->_info))
{
$this->_info[$extensionName] = $this->fetchInfo($extensionName, $xmlName);
}
return $this->_info[$extensionName];
}
/**
* Gets the version information of an extension by reading its XML file
*
* @param string $extensionName The name of the extension, e.g. com_foobar, mod_foobar, plg_foobar or tpl_foobar.
* @param string $xmlName The name of the XML manifest filename. If empty uses $extensionName.xml
*/
private function fetchInfo($extensionName, $xmlName)
{
$type = strtolower(substr($extensionName, 0, 3));
switch ($type)
{
case 'com':
return $this->getComponentData($extensionName, $xmlName);
break;
case 'mod':
return $this->getModuleData($extensionName, $xmlName);
break;
case 'plg':
return $this->getPluginData($extensionName, $xmlName);
break;
case 'tpl':
return $this->getTemplateData($extensionName, $xmlName);
break;
case 'pkg':
return $this->getGenericManifest($extensionName, $xmlName, 'packages');
break;
case 'lib':
return $this->getGenericManifest($extensionName, $xmlName, 'libraries');
break;
default:
if (strtolower(substr($extensionName, 0, 4)) == 'file')
{
return $this->getGenericManifest($extensionName, $xmlName, 'files');
}
else
{
return array('version' => '', 'date' => '');
}
}
}
/**
* Gets the version information of a component by reading its XML file
*
* @param string $extensionName The name of the extension, e.g. com_foobar
* @param string $xmlName The name of the XML manifest filename. If empty uses $extensionName.xml
*/
private function getComponentData($extensionName, $xmlName)
{
$extensionName = strtolower($extensionName);
$path = JPATH_ADMINISTRATOR . '/components/' . $extensionName;
$altExtensionName = substr($extensionName, 4);
JLoader::import('joomla.filesystem.file');
if (JFile::exists("$path/$xmlName"))
{
$filename = "$path/$xmlName";
}
elseif (JFile::exists("$path/$extensionName.xml"))
{
$filename = "$path/$extensionName.xml";
}
elseif (JFile::exists("$path/$altExtensionName.xml"))
{
$filename = "$path/$altExtensionName.xml";
}
elseif (JFile::exists("$path/manifest.xml"))
{
$filename = "$path/manifest.xml";
}
else
{
$filename = $this->searchForManifest($path);
if ($filename === false)
{
$filename = null;
}
}
if (empty($filename))
{
return array('version' => '', 'date' => '', 'xmlfile' => '');
}
try
{
$xml = new SimpleXMLElement($filename, LIBXML_NONET, true);
}
catch (Exception $e)
{
return array('version' => '', 'date' => '', 'xmlfile' => '');
}
// Need to check for extension (since 1.6) and install (supported through 2.5)
if ($xml->getName() != 'extension' && $xml->getName() != 'install')
{
unset($xml);
return array('version' => '', 'date' => '', 'xmlfile' => '');
}
$data['version'] = $xml->version ? (string)$xml->version : '';
$data['date'] = $xml->creationDate ? (string)$xml->creationDate : '';
$data['xmlfile'] = $filename;
return $data;
}
/**
* Gets the version information of a module by reading its XML file
*
* @param string $extensionName The name of the extension, e.g. mod_foobar
* @param string $xmlName The name of the XML manifest filename. If empty uses $extensionName.xml
*/
private function getModuleData($extensionName, $xmlName)
{
$extensionName = strtolower($extensionName);
$altExtensionName = substr($extensionName, 4);
JLoader::import('joomla.filesystem.folder');
JLoader::import('joomla.filesystem.file');
$path = JPATH_SITE . '/modules/' . $extensionName;
if (!JFolder::exists($path))
{
$path = JPATH_ADMINISTRATOR . '/modules/' . $extensionName;
}
if (!JFolder::exists($path))
{
// Joomla! 1.5
// 1. Check front-end
$path = JPATH_ADMINISTRATOR . '/modules';
$filename = "$path/$xmlName";
if (!JFile::exists($filename))
{
$filename = "$path/$extensionName.xml";
}
if (!JFile::exists($filename))
{
$filename = "$path/$altExtensionName.xml";
}
// 2. Check front-end
if (!JFile::exists($filename))
{
$path = JPATH_SITE . '/modules';
$filename = "$path/$xmlName";
if (!JFile::exists($filename))
{
$filename = "$path/$extensionName.xml";
}
if (!JFile::exists($filename))
{
$filename = "$path/$altExtensionName.xml";
}
if (!JFile::exists($filename))
{
return array('version' => '', 'date' => '');
}
}
}
else
{
// Joomla! 1.6
$filename = "$path/$xmlName";
if (!JFile::exists($filename))
{
$filename = "$path/$extensionName.xml";
}
if (!JFile::exists($filename))
{
$filename = "$path/$altExtensionName.xml";
}
if (!JFile::exists($filename))
{
return array('version' => '', 'date' => '');
}
}
if (empty($filename))
{
return array('version' => '', 'date' => '', 'xmlfile' => '');
}
try
{
$xml = new SimpleXMLElement($filename, LIBXML_NONET, true);
}
catch (Exception $e)
{
return array('version' => '', 'date' => '', 'xmlfile' => '');
}
// Need to check for extension (since 1.6) and install (supported through 2.5)
if ($xml->getName() != 'extension' && $xml->getName() != 'install')
{
unset($xml);
return array('version' => '', 'date' => '', 'xmlfile' => '');
}
$data['version'] = $xml->version ? (string)$xml->version : '';
$data['date'] = $xml->creationDate ? (string)$xml->creationDate : '';
$data['xmlfile'] = $filename;
return $data;
}
/**
* Gets the version information of a plugin by reading its XML file
*
* @param string $extensionName The name of the plugin, e.g. plg_foobar
* @param string $xmlName The name of the XML manifest filename. If empty uses $extensionName.xml
*/
private function getPluginData($extensionName, $xmlName)
{
$extensionName = strtolower($extensionName);
$altExtensionName = substr($extensionName, 4);
JLoader::import('joomla.filesystem.folder');
JLoader::import('joomla.filesystem.file');
$base = JPATH_PLUGINS;
// Get a list of directories
$stack = JFolder::folders($base, '.', true, true);
foreach ($stack as $path)
{
$filename = "$path/$xmlName";
if (JFile::exists($filename))
{
break;
}
$filename = "$path/$extensionName.xml";
if (JFile::exists($filename))
{
break;
}
$filename = "$path/$altExtensionName.xml";
if (JFile::exists($filename))
{
break;
}
}
if (!JFile::exists($filename))
{
return array('version' => '', 'date' => '', 'xmlfile' => '');
}
try
{
$xml = new SimpleXMLElement($filename, LIBXML_NONET, true);
}
catch (Exception $e)
{
return array('version' => '', 'date' => '', 'xmlfile' => '');
}
// Need to check for extension (since 1.6) and install (supported through 2.5)
if ($xml->getName() != 'extension' && $xml->getName() != 'install')
{
unset($xml);
return array('version' => '', 'date' => '', 'xmlfile' => '');
}
$data['version'] = $xml->version ? (string)$xml->version : '';
$data['date'] = $xml->creationDate ? (string)$xml->creationDate : '';
$data['xmlfile'] = $filename;
return $data;
}
/**
* Gets the version information of a template by reading its XML file
*
* @param string $extensionName The name of the template, e.g. tpl_foobar
* @param string $xmlName The name of the XML manifest filename. If empty uses $extensionName.xml or templateDetails.xml
*/
private function getTemplateData($extensionName, $xmlName)
{
$extensionName = strtolower($extensionName);
$altExtensionName = substr($extensionName, 4);
JLoader::import('joomla.filesystem.folder');
JLoader::import('joomla.filesystem.file');
// First look for administrator templates
$path = JPATH_THEMES . '/' . $altExtensionName;
if (!JFolder::exists($path))
{
// Then look for front-end templates
$path = JPATH_SITE . '/templates/' . $altExtensionName;
if (!JFolder::exists($path))
{
return array('version' => '', 'date' => '');
}
}
$filename = "$path/$xmlName";
if (!JFile::exists($filename))
{
$filename = "$path/templateDetails.xml";
}
if (!JFile::exists($filename))
{
$filename = "$path/$extensionName.xml";
}
if (!JFile::exists($filename))
{
$filename = "$path/$altExtensionName.xml";
}
if (!JFile::exists($filename))
{
return array('version' => '', 'date' => '', 'xmlfile' => '');
}
try
{
$xml = new SimpleXMLElement($filename, LIBXML_NONET, true);
}
catch (Exception $e)
{
return array('version' => '', 'date' => '', 'xmlfile' => '');
}
// Need to check for extension (since 1.6) and install (supported through 2.5)
if ($xml->getName() != 'extension' && $xml->getName() != 'install')
{
unset($xml);
return array('version' => '', 'date' => '', 'xmlfile' => '');
}
$data['version'] = $xml->version ? (string)$xml->version : '';
$data['date'] = $xml->creationDate ? (string)$xml->creationDate : '';
$data['xmlfile'] = $filename;
return $data;
}
/**
* Generic function to get a manifest file stored inside the administrator/manifests folder.
* At the moment this applies to files, packages and libraries extensions.
*
* @param string $extensionName Extension name
* @param string $xmlName XML filename
* @param string $folder Folder inside the manifests one
*
* @return array
*/
private function getGenericManifest($extensionName, $xmlName, $folder)
{
$extensionName = strtolower($extensionName);
$altExtensionName = substr($extensionName, 4);
JLoader::import('joomla.filesystem.folder');
JLoader::import('joomla.filesystem.file');
$path = JPATH_ADMINISTRATOR . '/manifests/' . $folder;
$filename = "$path/$xmlName";
if (!JFile::exists($filename))
{
$filename = "$path/$extensionName.xml";
}
if (!JFile::exists($filename))
{
$filename = "$path/$altExtensionName.xml";
}
if (!JFile::exists($filename))
{
return array('version' => '', 'date' => '');
}
if (empty($filename))
{
return array('version' => '', 'date' => '', 'xmlfile' => '');
}
try
{
$xml = new SimpleXMLElement($filename, LIBXML_NONET, true);
}
catch (Exception $e)
{
return array('version' => '', 'date' => '', 'xmlfile' => '');
}
if ($xml->getName() != 'extension')
{
unset($xml);
return array('version' => '', 'date' => '', 'xmlfile' => '');
}
$data['version'] = $xml->version ? (string)$xml->version : '';
$data['date'] = $xml->creationDate ? (string)$xml->creationDate : '';
$data['xmlfile'] = $filename;
return $data;
}
/**
* Scans a directory for XML manifest files. The first XML file to be a
* manifest wins.
*
* @var $path string The path to look into
*
* @return string|bool The full path to a manifest file or false if not found
*/
private function searchForManifest($path)
{
JLoader::import('joomla.filesystem.folder');
$files = JFolder::files($path, '\.xml$', false, true);
if (!empty($files))
{
foreach ($files as $filename)
{
try
{
$xml = new SimpleXMLElement($filename, LIBXML_NONET, true);
}
catch (Exception $e)
{
continue;
}
// Check for extension (since 1.6) and install (supported through 2.5)
if (($xml->getName() != 'extension' && $xml->getName() != 'install'))
{
continue;
}
unset($xml);
return $filename;
}
}
return false;
}
}