128 lines
3.3 KiB
PHP
128 lines
3.3 KiB
PHP
<?php
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/**
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* @package FrameworkOnFramework
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* @subpackage utils
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* @copyright Copyright (C) 2010-2016 Nicholas K. Dionysopoulos / Akeeba Ltd. All rights reserved.
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* @license GNU General Public License version 2 or later; see LICENSE.txt
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*/
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// Protect from unauthorized access
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defined('F0F_INCLUDED') or die;
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/**
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* A helper class to read and parse "extension" update XML files over the web
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*/
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class F0FUtilsUpdateExtension
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{
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/**
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* Reads an "extension" XML update source and returns all listed update entries.
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*
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* If you have a "collection" XML update source you should do something like this:
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* $collection = new F0FUtilsUpdateCollection();
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* $extensionUpdateURL = $collection->getExtensionUpdateSource($url, 'component', 'com_foobar', JVERSION);
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* $extension = new F0FUtilsUpdateExtension();
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* $updates = $extension->getUpdatesFromExtension($extensionUpdateURL);
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*
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* @param string $url The extension XML update source URL to read from
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*
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* @return array An array of update entries
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*/
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public function getUpdatesFromExtension($url)
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{
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// Initialise
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$ret = array();
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// Get and parse the XML source
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$downloader = new F0FDownload();
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$xmlSource = $downloader->getFromURL($url);
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try
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{
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$xml = new SimpleXMLElement($xmlSource, LIBXML_NONET);
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}
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catch(Exception $e)
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{
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return $ret;
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}
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// Sanity check
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if (($xml->getName() != 'updates'))
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{
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unset($xml);
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return $ret;
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}
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// Let's populate the list of updates
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/** @var SimpleXMLElement $update */
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foreach ($xml->children() as $update)
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{
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// Sanity check
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if ($update->getName() != 'update')
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{
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continue;
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}
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$entry = array(
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'infourl' => array('title' => '', 'url' => ''),
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'downloads' => array(),
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'tags' => array(),
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'targetplatform' => array(),
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);
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$properties = get_object_vars($update);
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foreach ($properties as $nodeName => $nodeContent)
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{
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switch ($nodeName)
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{
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default:
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$entry[$nodeName] = $nodeContent;
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break;
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case 'infourl':
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case 'downloads':
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case 'tags':
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case 'targetplatform':
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break;
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}
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}
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$infourlNode = $update->xpath('infourl');
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$entry['infourl']['title'] = (string)$infourlNode[0]['title'];
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$entry['infourl']['url'] = (string)$infourlNode[0];
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$downloadNodes = $update->xpath('downloads/downloadurl');
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foreach ($downloadNodes as $downloadNode)
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{
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$entry['downloads'][] = array(
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'type' => (string)$downloadNode['type'],
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'format' => (string)$downloadNode['format'],
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'url' => (string)$downloadNode,
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);
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}
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$tagNodes = $update->xpath('tags/tag');
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foreach ($tagNodes as $tagNode)
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{
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$entry['tags'][] = (string)$tagNode;
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}
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/** @var SimpleXMLElement $targetPlatformNode */
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$targetPlatformNode = $update->xpath('targetplatform');
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$entry['targetplatform']['name'] = (string)$targetPlatformNode[0]['name'];
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$entry['targetplatform']['version'] = (string)$targetPlatformNode[0]['version'];
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$client = $targetPlatformNode[0]->xpath('client');
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$entry['targetplatform']['client'] = (is_array($client) && count($client)) ? (string)$client[0] : '';
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$folder = $targetPlatformNode[0]->xpath('folder');
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$entry['targetplatform']['folder'] = is_array($folder) && count($folder) ? (string)$folder[0] : '';
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$ret[] = $entry;
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}
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unset($xml);
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return $ret;
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}
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} |