primo commit

administrator/components/com_jem/models/updatecheck.php

@@ -0,0 +1,86 @@
+<?php
+/**
+ * @package    JEM
+ * @copyright  (C) 2013-2024 joomlaeventmanager.net
+ * @copyright  (C) 2005-2009 Christoph Lukes
+ * @license    https://www.gnu.org/licenses/gpl-3.0 GNU/GPL
+ */
+
+defined('_JEXEC') or die;
+
+use Joomla\CMS\MVC\Model\BaseDatabaseModel;
+use Joomla\CMS\Filesystem\File;
+
+
+/**
+ * Model-Updatecheck
+ */
+class JemModelUpdatecheck extends BaseDatabaseModel
+{
+	protected $_updatedata = null;
+
+	/**
+	 * Constructor
+	 */
+	public function __construct()
+	{
+		parent::__construct();
+	}
+
+	/**
+	 * Retrieval of update-data
+	 */
+	public function getUpdatedata()
+	{
+		$installedversion = JemHelper::getParam(1, 'version', 1, 'com_jem');
+		$updateFile       = "https://www.joomlaeventmanager.net/updatecheck/update_pkg_jem.xml";
+		$checkFile        = self::CheckFile($updateFile);
+		$updatedata       = new stdClass();
+
+		if ($checkFile) {
+			$xml = simplexml_load_string(file_get_contents($updateFile));
+			$jversion = JVERSION;
+			foreach($xml->update as $updatexml) {
+				$version = $updatexml->targetplatform["version"]->__toString();
+				if (preg_match('/^' . $version . '/', $jversion)) {
+					//version to check, not visible in table
+					$updatedata->version = $updatexml->version;
+
+					//in table
+					$updatedata->versiondetail    = $updatexml->version;
+					$updatedata->date             = JemOutput::formatdate($updatexml->date);
+					$updatedata->info             = $updatexml->infourl;
+					$updatedata->download         = $updatexml->downloads->downloadurl;
+					$updatedata->notes            = explode(';', $updatexml->notes);
+					$updatedata->changes          = explode(';', $updatexml->changes);
+					$updatedata->failed           = 0;
+					$updatedata->installedversion = $installedversion;
+					$updatedata->current          = version_compare($installedversion, $updatedata->version);
+				}
+			}
+		} else {
+			$updatedata->failed           = 1;
+			$updatedata->installedversion = $installedversion;
+		}
+
+		return $updatedata;
+	}
+
+	/**
+	 * Check to see if update-file exists
+	 */
+	protected static function CheckFile($filename)
+	{
+		$ext =  File::getExt($filename);
+		if ($ext == 'xml') {
+			if (@file_get_contents($filename, 0, null, 0, 1)) {
+				return true;
+			} else {
+				return false;
+			}
+		} else {
+			return false;
+		}
+	}
+}
+?>