From 9237f254c78d6e5e36cd7ffff444cc92ffd6f802 Mon Sep 17 00:00:00 2001
From: Cameron <e107inc@gmail.com>
Date: Wed, 23 Jan 2019 14:21:59 -0800
Subject: [PATCH] Filter social network tracking queries when determining SEF
 route.

---
 e107_handlers/application.php | 29 ++++++++++++++++++++++++++---
 1 file changed, 26 insertions(+), 3 deletions(-)

diff --git a/e107_handlers/application.php b/e107_handlers/application.php
index 4b80f1f5f..654dada4a 100644
--- a/e107_handlers/application.php
+++ b/e107_handlers/application.php
@@ -524,7 +524,7 @@ class eFront
 			if(!empty($status[0]) && ($status[0] === '{'))
 			{
 				$status = e107::getParser()->replaceConstants($status);
-			} 
+			}
 			self::$_legacy = $status;
 		}
 		return self::$_legacy;
@@ -1027,6 +1027,9 @@ class eRouter
 	 * @var string
 	 */
 	public $notFoundUrl = 'system/error/404?type=routeError';
+
+	protected $_trackers = array('fbclid','utm_source','utm_medium','utm_content','utm_campaign');
+
 	
 	public function __construct()
 	{
@@ -1085,6 +1088,12 @@ class eRouter
 	{
 		return $this->_urlFormat;
 	}
+
+
+	public function getTrackers()
+	{
+		return $this->_trackers;
+	}
 	
 	/**
 	 * Load config and url rules, if not available - build it on the fly
@@ -1792,9 +1801,23 @@ class eRouter
 			$rawPathInfo = rawurldecode($request->getPathInfo());
 			//$this->_urlFormat = self::FORMAT_PATH;
 		}
-		
+
+
+
+		// Ignore social trackers when determining route.
+		$get = $_GET;
+		$trackers = $this->getTrackers();
+
+		foreach($trackers as $val)
+		{
+			if(isset($get[$val]))
+			{
+				unset($get[$val]);
+			}
+		}
+
 		// Route to front page - index/index/index route
-		if(!$rawPathInfo && (!$this->getMainModule() || empty($_GET)))
+		if(!$rawPathInfo && (!$this->getMainModule() || empty($get)))
 		{
 			// front page settings will be detected and front page will be rendered
 			$request->setRoute('index/index/index');