From 0749db6e8f15683dfced7a41e7c4b3346a34fa6f Mon Sep 17 00:00:00 2001
From: Jean Paul Galea <jp@galea.se>
Date: Tue, 21 Jul 2015 20:47:30 +0000
Subject: [PATCH] More robust https check.

---
 ykval-verify.php | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/ykval-verify.php b/ykval-verify.php
index 89e0fe9..15d0555 100644
--- a/ykval-verify.php
+++ b/ykval-verify.php
@@ -34,7 +34,9 @@ require_once 'ykval-synclib.php';
 header('content-type: text/plain');
 
 $ipaddr = $_SERVER['REMOTE_ADDR'];
-$https = (isset($_SERVER["HTTPS"]) && $_SERVER["HTTPS"] == "on" ? TRUE : FALSE);
+
+$https = (array_key_exists('HTTPS', $_SERVER) === TRUE
+			&& strtolower($_SERVER['HTTPS']) !== 'off' ? TRUE : FALSE);
 
 $myLog = new Log('ykval-verify');
 $myLog->addField('ip', $ipaddr);