$data = file_get_contents($updatesDirectory . basename($installRevision['url']));
$publicKey = file_get_contents(dirname(__FILE__) . '/public.pem');
$sigStartOffset = strpos($data, $sigStart) + strlen($sigStart);
$sigEndOffset = strpos($data, $sigEnd);
$asciiSignature = substr($data, $sigStartOffset, $sigEndOffset - $sigStartOffset);
$binarySignature = base64_decode(str_replace(array($sigStart, $sigEnd, "\n"), '', $asciiSignature));
// Strip away stub
$data = substr($data, strpos($data, '__halt_compiler();') + 18);
if (!(bool) openssl_verify($data, $binarySignature, $publicKey, OPENSSL_ALGO_SHA1)) {
// Bad package signature
$koala->queueScript('Koala.yg_updaterOnError(\'' . $installRevision['rev'] . '\', \'' . $itext['TXT_UPDATER_BAD_SIGNATURE'] . '\');');
} else {
// Read out package information
$updatePath = $this->approot . sConfig()->getVar('CONFIG/DIRECTORIES/UPDATES');
$updatePackage = $updatePath . basename($installRevision['url']);
$currArchive = new PayloadTar($updatePackage, true);
$metaData = $currArchive->extractInString('installer/config.xml');
$metaDataXML = new SimpleXMLElement($metaData);
// Check if all dependencies are installed/available
$dependencyError = false;
$versionInfo = new Updater();
$currVersion = $versionInfo->current_version;
$dependencies = array();
foreach ($metaDataXML->dependencies->version as $dependencyItem) {
$dependencyItemVersion = (int) implode('.', (string) $dependencyItem);
if ($currVersion < $dependencyItemVersion) {
$dependencies[] = (string) $dependencyItem;
}
}
foreach ($dependencies as $dependency) {
if (count(glob($updatePath . 'yeager_' . $dependency . '_r*.php')) == 0) {
/**
* Gets all outstanding updates
*
* @return array Array containing update information with version/revision/date information
*/
function getUpdates()
{
$currVersionNumeric = $this->current_version;
$postFields = array('INFO' => serialize($_SERVER), 'VERSION' => $currVersionNumeric);
$xmlString = getStringFromURL(YEAGER_UPDATER_URL . '?' . http_build_query($postFields), (int) YEAGER_UPDATER_TIMEOUT);
if ($xmlString !== false) {
// Online Mode
$updateDataXML = new SimpleXMLElement($xmlString);
$updatesArray = array();
foreach ($updateDataXML->update as $updateItem) {
$currDate = explode('-', (string) $updateItem->date);
$currDate = gmmktime(0, 0, 0, $currDate[1], $currDate[2], $currDate[0]);
$updateVersion = prettifyVersionString((string) $updateItem->version);
$updateVersionNumeric = (int) str_replace('.', '', (string) $updateItem->version);
$updatesArrayItem = array('TITLE' => stripCDATA((string) $updateItem->title), 'DATE' => $currDate, 'VERSION' => $updateVersion, 'VERSION_NUMERIC' => $updateVersionNumeric, 'REVISION' => (string) $updateItem->revision, 'DESCRIPTION' => stripCDATA((string) $updateItem->description), 'URL' => (string) $updateItem->url_update);
foreach ($updateItem->dependencies->version as $dependencyItem) {
$updatesArrayItem['DEPENDENCIES'][] = (string) $dependencyItem;
}
$updatesArray[] = $updatesArrayItem;
}
} else {
// Offline Mode
$updatesDirectory = sApp()->approot . sConfig()->getVar('CONFIG/DIRECTORIES/UPDATES');
$updatePackages = glob($updatesDirectory . 'yeager_*_r*.php');
// Read out package information
$updatesArray = array();
foreach ($updatePackages as $updatePackage) {
$currArchive = new PayloadTar($updatePackage, true);
$metaData = $currArchive->extractInString('installer/config.xml');
$metaDataXML = new SimpleXMLElement($metaData);
$currDate = explode('-', (string) $metaDataXML->date);
$currDate = gmmktime(0, 0, 0, $currDate[1], $currDate[2], $currDate[0]);
$updateVersion = prettifyVersionString((string) $metaDataXML->version);
$updateVersionNumeric = (int) str_replace('.', '', (string) $metaDataXML->version);
$updatesArrayItem = array('TITLE' => stripCDATA((string) $metaDataXML->title), 'DATE' => $currDate, 'VERSION' => $updateVersion, 'VERSION_NUMERIC' => $updateVersionNumeric, 'REVISION' => (string) $metaDataXML->revision, 'DESCRIPTION' => str_replace('\\n', "\n", stripCDATA((string) $metaDataXML->description)), 'URL' => 'file://' . $updatePackage);
foreach ($metaDataXML->dependencies->version as $dependencyItem) {
$updatesArrayItem['DEPENDENCIES'][] = (string) $dependencyItem;
}
$updatesArray[] = $updatesArrayItem;
}
}
$neededUpdates = array();
foreach ($updatesArray as $allUpdatesItem) {
if ($allUpdatesItem['VERSION_NUMERIC'] > $currVersionNumeric) {
$neededUpdates[] = $allUpdatesItem;
}
}
$updatesArray = $neededUpdates;
usort($updatesArray, function ($a, $b) {
if ($a['REVISION'] == $b['REVISION']) {
return 0;
}
return version_compare($b['VERSION'], $a['VERSION'], '>=') ? -1 : 1;
/*return true;*/
});
return $updatesArray;
}