From daa1750bd6944f5202ccb7bc41c57a3f32be766e Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Caol=C3=A1n=20McNamara?= <caolanm@redhat.com>
Date: Tue, 1 May 2018 12:57:02 +0100
Subject: [PATCH] set Referer on link mediadescriptor

to allow determining if the source document is from a trusted/untrusted
location

Change-Id: I780568652d2ef0cc8543c27ba26289277b5d9d0c
Reviewed-on: https://gerrit.libreoffice.org/53693
Tested-by: Jenkins <ci@libreoffice.org>
Reviewed-by: Stephan Bergmann <sbergman@redhat.com>
---
 sw/source/filter/xml/xmltexti.cxx | 13 +++++++++----
 1 file changed, 9 insertions(+), 4 deletions(-)

diff --git a/sw/source/filter/xml/xmltexti.cxx b/sw/source/filter/xml/xmltexti.cxx
index 06a6bbe..83d7734 100644
--- a/sw/source/filter/xml/xmltexti.cxx
+++ b/sw/source/filter/xml/xmltexti.cxx
@@ -575,17 +575,22 @@ uno::Reference< XPropertySet > SwXMLTextImportHelper::createAndInsertOOoLink(
 
         uno::Sequence< beans::PropertyValue > aMediaDescriptor( 1 );
         aMediaDescriptor[0].Name = "URL";
-        aMediaDescriptor[0].Value <<= OUString( aURLObj.GetMainURL( INetURLObject::NO_DECODE ) );
-        if ( pDoc->GetDocShell() && pDoc->GetDocShell()->GetMedium() )
+        aMediaDescriptor[0].Value <<= aURLObj.GetMainURL( INetURLObject::NO_DECODE );
+
+        if (SfxMedium* pMedium = pDoc->GetDocShell() ? pDoc->GetDocShell()->GetMedium() : nullptr)
         {
-            uno::Reference< task::XInteractionHandler > xInteraction =
-                                        pDoc->GetDocShell()->GetMedium()->GetInteractionHandler();
+            uno::Reference< task::XInteractionHandler > xInteraction = pMedium->GetInteractionHandler();
             if ( xInteraction.is() )
             {
                 aMediaDescriptor.realloc( 2 );
                 aMediaDescriptor[1].Name = "InteractionHandler";
                 aMediaDescriptor[1].Value <<= xInteraction;
             }
+
+            const auto nLen = aMediaDescriptor.getLength() + 1;
+            aMediaDescriptor.realloc(nLen);
+            aMediaDescriptor[nLen - 1].Name = "Referer";
+            aMediaDescriptor[nLen - 1].Value <<= pMedium->GetName();
         }
 
         uno::Reference < embed::XEmbeddedObject > xObj(
-- 
2.14.3