From e0d0f411cf1b263f89021fef3287c6a200f8b40a Mon Sep 17 00:00:00 2001
From: Zig Tan <zig@moodle.com>
Date: Fri, 15 Dec 2017 09:19:26 +0800
Subject: [PATCH] MDL-54967 backup: Fix IMS CC import URL decoding for XML
 format

HTML encoding special characters to avoid XML compatibility issues during
Course backup restoration and avoid double encoding.
---
 backup/cc/entity11.resource.class.php | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/backup/cc/entity11.resource.class.php b/backup/cc/entity11.resource.class.php
index bc5bb5aab07..7bb6da78d02 100644
--- a/backup/cc/entity11.resource.class.php
+++ b/backup/cc/entity11.resource.class.php
@@ -99,7 +99,7 @@ class cc11_resource extends entities11 {
                                 $link = 'http://invalidurldetected/';
                             }
                         } else {
-                            $link = $rawlink;
+                            $link = htmlspecialchars(trim($rawlink), ENT_COMPAT, 'UTF-8', false);
                         }
                     }
                 }