From b9ca2ac13dac402502dcad0629638d692c1a1b21 Mon Sep 17 00:00:00 2001
From: Pierre Goiffon <pierre.goiffon@combodo.com>
Date: Wed, 2 Dec 2020 15:44:58 +0100
Subject: [PATCH] =?UTF-8?q?N=C2=B03416=20Fix=20DocumentFile=20preview=20no?=
 =?UTF-8?q?t=20working=20anymore=20Was=20caused=20by=20X-Frame-Options=20h?=
 =?UTF-8?q?ttp=20header=20added=20with=20N=C2=B03317?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

(cherry picked from commit 35d77ff64292e4f3e8be00b0bef7da254e1ee6ab)

# Conflicts:
#	pages/ajax.render.php
---
 pages/ajax.render.php | 1 +
 1 file changed, 1 insertion(+)

diff --git a/pages/ajax.render.php b/pages/ajax.render.php
index 9db4992a7..41373f279 100644
--- a/pages/ajax.render.php
+++ b/pages/ajax.render.php
@@ -902,6 +902,7 @@ try
 			$sField = utils::ReadParam('field', '');
 			if (!empty($sClass) && ($sClass != 'InlineImage') && !empty($id) && !empty($sField))
 			{
+				$oPage->add_header('X-Frame-Options:'); // resets header, see N°3416
 				ormDocument::DownloadDocument($oPage, $sClass, $id, $sField, 'inline');
 			}
 			break;