primo commit

components/com_jem/helpers/mailtohelper.php

@@ -0,0 +1,78 @@
+<?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\Factory;
+
+class JemMailtoHelper {
+    public static function addLink($url)
+	{
+		$hash = sha1($url);
+		self::cleanHashes();
+
+        $app = Factory::getApplication();
+		$session      = $app->getSession();
+		$mailto_links = $session->get('com_jem.links', array());
+
+		if (!isset($mailto_links[$hash]))
+		{
+			$mailto_links[$hash] = new stdClass;
+		}
+
+		$mailto_links[$hash]->link   = $url;
+		$mailto_links[$hash]->expiry = time();
+		$session->set('com_jem.links', $mailto_links);
+
+		return $hash;
+	}
+
+	public static function cleanHashes($lifetime = 1440)
+	{
+		// Flag for if we've cleaned on this cycle
+		static $cleaned = false;
+
+		if (!$cleaned)
+		{
+			$past         = time() - $lifetime;
+            $app = Factory::getApplication();
+			$session      = $app->getSession();
+			$mailto_links = $session->get('com_jem.links', array());
+
+			foreach ($mailto_links as $index => $link)
+			{
+				if ($link->expiry < $past)
+				{
+					unset($mailto_links[$index]);
+				}
+			}
+
+			$session->set('com_jem.links', $mailto_links);
+			$cleaned = true;
+		}
+	}
+
+	public static function validateHash($hash)
+	{
+		$retval  = false;
+        $app = Factory::getApplication();
+		$session = $app->getSession();
+
+		self::cleanHashes();
+		$mailto_links = $session->get('com_jem.links', array());
+
+		if (isset($mailto_links[$hash]))
+		{
+			$retval = $mailto_links[$hash]->link;
+		}
+
+		return $retval;
+	}
+}
+
+?>