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plugins/system/nrframework/NRFramework/Helpers/License.php

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+<?php
+
+/**
+ * @author          Tassos Marinos <info@tassos.gr>
+ * @link            http://www.tassos.gr
+ * @copyright       Copyright © 2022 Tassos Marinos All Rights Reserved
+ * @license         GNU GPLv3 <http://www.gnu.org/licenses/gpl.html> or later
+ */
+
+namespace NRFramework\Helpers;
+
+defined('_JEXEC') or die;
+
+class License
+{
+	/**
+	 * Returns the remote license data from the server for the given download key.
+	 * 
+	 * @return  array
+	 */
+	public static function getRemoteLicenseData($download_key = null)
+	{
+		if (!$download_key)
+		{
+			return;
+		}
+		
+		// License Check Endpoint
+		$url = TF_CHECK_LICENSE;
+		// Set Download Key
+		$url = str_replace('{{DOWNLOAD_KEY}}', $download_key, $url);
+		
+		// No response, abort
+		if (!$response = CURL::exec($url))
+		{
+			return;
+		}
+
+		return json_decode($response, true);
+	}
+}