public function __construct()
{
// Find the best fitting adapter
$allAdapters = AcuDownload::getFiles(dirname(__FILE__) . '/adapter', array(), array('abstract.php'));
$priority = 0;
foreach ($allAdapters as $adapterInfo) {
$adapter = new $adapterInfo['classname']();
if (!$adapter->isSupported()) {
continue;
}
if ($adapter->priority > $priority) {
$this->adapter = $adapter;
$priority = $adapter->priority;
}
}
}
/**
* I tick over to download the correct package file
*/
public function downloadFile()
{
// Use Akeeba - We love you Nicolas!
$api = new AcuDownload();
// init array
$params = array();
// tell it which file to use
$params['file'] = $this->_dataObj->fileUrl;
// make sure we resume a part downloaded file if any
if ($this->_dataObj->frag) {
$params['frag'] = $this->_dataObj->frag;
} else {
$params['frag'] = -1;
}
// get the frag needed
$retArray = $api->importFromURL($params);
// tock back to myjoomla
bfEncrypt::reply('success', json_encode($retArray));
}
/**
* Reads a "collection" XML update source and returns the complete tree of categories
* and extensions applicable for platform version $jVersion
*
* @param string $url The collection XML update source URL to read from
* @param string $jVersion Joomla! version to fetch updates for, or null to use JVERSION
*
* @return array A list of update sources applicable to $jVersion
*/
public function getAllUpdates($url, $jVersion = NULL)
{
// Get the target platform
if (is_null($jVersion)) {
$jVersion = JVERSION;
}
// Initialise return value
$updates = array('metadata' => array('name' => '', 'description' => ''), 'categories' => array(), 'extensions' => array());
// Download and parse the XML file
$donwloader = new AcuDownload();
$xmlSource = $donwloader->getFromURL($url);
try {
$xml = new SimpleXMLElement($xmlSource, LIBXML_NONET);
} catch (Exception $e) {
return $updates;
}
// Sanity check
if ($xml->getName() != 'extensionset') {
unset($xml);
return $updates;
}
// Initialise return value with the stream metadata (name, description)
$rootAttributes = $xml->attributes();
foreach ($rootAttributes as $k => $v) {
$updates['metadata'][$k] = (string) $v;
}
// Initialise the raw list of updates
$rawUpdates = array('categories' => array(), 'extensions' => array());
// Segregate the raw list to a hierarchy of extension and category entries
foreach ($xml->children() as $extension) {
switch ($extension->getName()) {
case 'category':
// These are the parameters we expect in a category
$params = array('name' => '', 'description' => '', 'category' => '', 'ref' => '', 'targetplatformversion' => $jVersion);
// These are the attributes of the element
$attributes = $extension->attributes();
// Merge them all
foreach ($attributes as $k => $v) {
$params[$k] = (string) $v;
}
// We can't have a category with an empty category name
if (empty($params['category'])) {
continue;
}
// We can't have a category with an empty ref
if (empty($params['ref'])) {
continue;
}
if (empty($params['description'])) {
$params['description'] = $params['category'];
}
if (!array_key_exists($params['category'], $rawUpdates['categories'])) {
$rawUpdates['categories'][$params['category']] = array();
}
$rawUpdates['categories'][$params['category']][] = $params;
break;
case 'extension':
// These are the parameters we expect in a category
$params = array('element' => '', 'type' => '', 'version' => '', 'name' => '', 'detailsurl' => '', 'targetplatformversion' => $jVersion);
// These are the attributes of the element
$attributes = $extension->attributes();
// Merge them all
foreach ($attributes as $k => $v) {
$params[$k] = (string) $v;
}
// We can't have an extension with an empty element
if (empty($params['element'])) {
continue;
}
// We can't have an extension with an empty type
if (empty($params['type'])) {
continue;
}
// We can't have an extension with an empty version
if (empty($params['version'])) {
continue;
}
if (empty($params['name'])) {
$params['name'] = $params['element'] . ' ' . $params['version'];
}
if (!array_key_exists($params['type'], $rawUpdates['extensions'])) {
$rawUpdates['extensions'][$params['type']] = array();
}
if (!array_key_exists($params['element'], $rawUpdates['extensions'][$params['type']])) {
$rawUpdates['extensions'][$params['type']][$params['element']] = array();
}
$rawUpdates['extensions'][$params['type']][$params['element']][] = $params;
break;
default:
break;
}
}
unset($xml);
if (!empty($rawUpdates['categories'])) {
foreach ($rawUpdates['categories'] as $category => $entries) {
$update = $this->filterListByPlatform($entries, $jVersion);
$updates['categories'][$category] = $update;
}
}
if (!empty($rawUpdates['extensions'])) {
foreach ($rawUpdates['extensions'] as $type => $extensions) {
$updates['extensions'][$type] = array();
if (!empty($extensions)) {
foreach ($extensions as $element => $entries) {
$update = $this->filterListByPlatform($entries, $jVersion);
$updates['extensions'][$type][$element] = $update;
}
}
}
}
return $updates;
}
/**
* Reads an "extension" XML update source and returns all listed update
* entries.
*
* @param string $url The extension XML update source URL to read from
*
* @return array An array of update entries
*/
public function getUpdatesFromExtension($url)
{
// Initialise
$ret = array();
// Get and parse the XML source
$donwloader = new AcuDownload();
$xmlSource = $donwloader->getFromURL($url);
try {
$xml = new SimpleXMLElement($xmlSource, LIBXML_NONET);
} catch (Exception $e) {
return $ret;
}
// Sanity check
if ($xml->getName() != 'updates') {
unset($xml);
return $ret;
}
// Let's populate the list of updates
foreach ($xml->children() as $update) {
// Sanity check
if ($update->getName() != 'update') {
continue;
}
$entry = array('infourl' => array('title' => '', 'url' => ''), 'downloads' => array(), 'tags' => array(), 'targetplatform' => array());
$properties = get_object_vars($update);
foreach ($properties as $nodeName => $nodeContent) {
switch ($nodeName) {
default:
$entry[$nodeName] = $nodeContent;
break;
case 'infourl':
case 'downloads':
case 'tags':
case 'targetplatform':
break;
}
}
$infourlNode = $update->xpath('infourl');
$entry['infourl']['title'] = (string) $infourlNode[0]['title'];
$entry['infourl']['url'] = (string) $infourlNode[0];
$downloadNodes = $update->xpath('downloads/downloadurl');
foreach ($downloadNodes as $downloadNode) {
$entry['downloads'][] = array('type' => (string) $downloadNode['type'], 'format' => (string) $downloadNode['format'], 'url' => (string) $downloadNode);
}
$tagNodes = $update->xpath('tags/tag');
foreach ($tagNodes as $tagNode) {
$entry['tags'][] = (string) $tagNode;
}
$targetPlatformNode = $update->xpath('targetplatform');
$entry['targetplatform']['name'] = (string) $targetPlatformNode[0]['name'];
$entry['targetplatform']['version'] = (string) $targetPlatformNode[0]['version'];
$ret[] = $entry;
}
unset($xml);
return $ret;
}