From f0e0af58259aa9046eaa832e8b10cdf1de33e51f Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Piere=20W=C3=B6hl?= <pierew@users.noreply.github.com>
Date: Thu, 3 Nov 2016 18:16:56 +0100
Subject: [PATCH] Adding Support for Servers behind a Reverse Proxy

---
 resources/DirectoryLister.php | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/resources/DirectoryLister.php b/resources/DirectoryLister.php
index c038008d8..a90450cdd 100644
--- a/resources/DirectoryLister.php
+++ b/resources/DirectoryLister.php
@@ -798,7 +798,11 @@ protected function _getAppUrl() {
         }
 
         // Get the server hostname
-        $host = $_SERVER['HTTP_HOST'];
+        if (isset($_SERVER['HTTP_X_FORWARDED_HOST'])) {
+	        $host = $_SERVER['HTTP_X_FORWARDED_HOST'];
+	    } else {
+	        $host = $_SERVER['HTTP_HOST'];
+	    }
 
         // Get the URL path
         $pathParts = pathinfo($_SERVER['PHP_SELF']);