From: Brian Quinion <openstreetmap@brian.quinion.co.uk>
Date: Mon, 17 Dec 2012 15:00:49 +0000 (+0000)
Subject: only add Access-Control-Allow-Headers if needed
X-Git-Tag: v2.2.0~153
X-Git-Url: https://git.openstreetmap.org./nominatim.git/commitdiff_plain/490190b8739241b84ead87ed47f8a3c65553fe10

only add Access-Control-Allow-Headers if needed
---

diff --git a/lib/init-website.php b/lib/init-website.php
index 94dba6f4..bcf3ebf7 100644
--- a/lib/init-website.php
+++ b/lib/init-website.php
@@ -5,7 +5,10 @@
 	{
 		header("Access-Control-Allow-Origin: *");
 		header("Access-Control-Allow-Methods: OPTIONS,GET");
-		header("Access-Control-Allow-Headers: ".$_SERVER['HTTP_ACCESS_CONTROL_REQUEST_HEADERS']);
+		if (!empty($_SERVER['HTTP_ACCESS_CONTROL_REQUEST_HEADERS']))
+		{
+			header("Access-Control-Allow-Headers: ".$_SERVER['HTTP_ACCESS_CONTROL_REQUEST_HEADERS']);
+		}
 	}
 	if ($_SERVER['REQUEST_METHOD'] == 'OPTIONS') exit;