Skip to content
Fetching contributors…
Cannot retrieve contributors at this time
343 lines (304 sloc) 6.68 KB
<?php
/**
* @package Joomla.Platform
* @subpackage Updater
*
* @copyright Copyright (C) 2005 - 2012 Open Source Matters, Inc. All rights reserved.
* @license GNU General Public License version 2 or later; see LICENSE
*/
defined('JPATH_PLATFORM') or die;
/**
* Update class.
*
* @package Joomla.Platform
* @subpackage Updater
* @since 11.1
*/
class JUpdate extends JObject
{
/**
* @var string
* @since 11.1
*/
protected $name;
/**
* @var string
* @since 11.1
*/
protected $description;
/**
* @var string
* @since 11.1
*/
protected $element;
/**
* @var string
* @since 11.1
*/
protected $type;
/**
* @var string
* @since 11.1
*/
protected $version;
/**
* @var string
* @since 11.1
*/
protected $infourl;
/**
* @var string
* @since 11.1
*/
protected $client;
/**
* @var string
* @since 11.1
*/
protected $group;
/**
* @var string
* @since 11.1
*/
protected $downloads;
/**
* @var string
* @since 11.1
*/
protected $tags;
/**
* @var string
* @since 11.1
*/
protected $maintainer;
/**
* @var string
* @since 11.1
*/
protected $maintainerurl;
/**
* @var string
* @since 11.1
*/
protected $category;
/**
* @var string
* @since 11.1
*/
protected $relationships;
/**
* @var string
* @since 11.1
*/
protected $targetplatform;
/**
* @var string
* @since 12.1
*/
protected $xmlParser;
/**
* @var array
* @since 12.1
*/
protected $stack = array('base');
/**
* @var array
* @since 12.1
*/
protected $stateStore = array();
/**
* @var stdClass
* @since 12.1
*/
protected $currentUpdate;
/**
* @var stdClass
* @since 12.1
*/
protected $latest;
/**
* Gets the reference to the current direct parent
*
* @return object
*
* @since 11.1
*/
protected function _getStackLocation()
{
return implode('->', $this->stack);
}
/**
* Get the last position in stack count
*
* @return string
*
* @since 11.1
*/
protected function _getLastTag()
{
return $this->stack[count($this->stack) - 1];
}
/**
* XML Start Element callback
*
* @param object $parser Parser object
* @param string $name Name of the tag found
* @param array $attrs Attributes of the tag
*
* @return void
*
* @note This is public because it is called externally
* @since 11.1
*/
public function _startElement($parser, $name, $attrs = array())
{
array_push($this->stack, $name);
$tag = $this->_getStackLocation();
// Reset the data
if (isset($this->$tag))
{
$this->$tag->_data = "";
}
switch ($name)
{
// This is a new update; create a current update
case 'UPDATE':
$this->currentUpdate = new stdClass;
break;
// Don't do anything
case 'UPDATES':
break;
// For everything else there's...the default!
default:
$name = strtolower($name);
if (!isset($this->currentUpdate->$name))
{
$this->currentUpdate->$name = new stdClass;
}
$this->currentUpdate->$name->_data = '';
foreach ($attrs as $key => $data)
{
$key = strtolower($key);
$this->currentUpdate->$name->$key = $data;
}
break;
}
}
/**
* Callback for closing the element
*
* @param object $parser Parser object
* @param string $name Name of element that was closed
*
* @return void
*
* @note This is public because it is called externally
* @since 11.1
*/
public function _endElement($parser, $name)
{
array_pop($this->stack);
switch ($name)
{
// Closing update, find the latest version and check
case 'UPDATE':
$ver = new JVersion;
$product = strtolower(JFilterInput::getInstance()->clean($ver->PRODUCT, 'cmd'));
// Check for optional min_dev_level and max_dev_level attributes to further specify targetplatform (e.g., 3.0.1)
if (isset($this->currentUpdate->targetplatform->name)
&& $product == $this->currentUpdate->targetplatform->name
&& preg_match('/' . $this->currentUpdate->targetplatform->version . '/', $ver->RELEASE)
&& ((!isset($this->currentUpdate->targetplatform->min_dev_level)) || $ver->DEV_LEVEL >= $this->currentUpdate->targetplatform->min_dev_level)
&& ((!isset($this->currentUpdate->targetplatform->max_dev_level)) || $ver->DEV_LEVEL <= $this->currentUpdate->targetplatform->max_dev_level))
{
if (isset($this->latest))
{
if (version_compare($this->currentUpdate->version->_data, $this->latest->version->_data, '>') == 1)
{
$this->latest = $this->currentUpdate;
}
}
else
{
$this->latest = $this->currentUpdate;
}
}
break;
case 'UPDATES':
// If the latest item is set then we transfer it to where we want to
if (isset($this->latest))
{
foreach (get_object_vars($this->latest) as $key => $val)
{
$this->$key = $val;
}
unset($this->latest);
unset($this->currentUpdate);
}
elseif (isset($this->currentUpdate))
{
// The update might be for an older version of j!
unset($this->currentUpdate);
}
break;
}
}
/**
* Character Parser Function
*
* @param object $parser Parser object.
* @param object $data The data.
*
* @return void
*
* @note This is public because its called externally.
* @since 11.1
*/
public function _characterData($parser, $data)
{
$tag = $this->_getLastTag();
// @todo remove code: if(!isset($this->$tag->_data)) $this->$tag->_data = '';
// @todo remove code: $this->$tag->_data .= $data;
// Throw the data for this item together
$tag = strtolower($tag);
if (isset($this->currentUpdate->$tag))
{
$this->currentUpdate->$tag->_data .= $data;
}
}
/**
* Loads an XML file from a URL.
*
* @param string $url The URL.
*
* @return boolean True on success
*
* @since 11.1
*/
public function loadFromXML($url)
{
$http = JHttpFactory::getHttp();
$response = $http->get($url);
if (200 != $response->code)
{
// TODO: Add a 'mark bad' setting here somehow
JLog::add(JText::sprintf('JLIB_UPDATER_ERROR_EXTENSION_OPEN_URL', $url), JLog::WARNING, 'jerror');
return false;
}
$this->xmlParser = xml_parser_create('');
xml_set_object($this->xmlParser, $this);
xml_set_element_handler($this->xmlParser, '_startElement', '_endElement');
xml_set_character_data_handler($this->xmlParser, '_characterData');
if (!xml_parse($this->xmlParser, $response->body))
{
die(
sprintf(
"XML error: %s at line %d", xml_error_string(xml_get_error_code($this->xmlParser)),
xml_get_current_line_number($this->xmlParser)
)
);
}
xml_parser_free($this->xmlParser);
return true;
}
}
Jump to Line
Something went wrong with that request. Please try again.