tdf#115933 set document read-only on presence of hashValue attribute

Though there's currently no way (password dialog) to edit the
document other than saving it to a different file, this seems to
be what is expected.

Change-Id: Iafa8ac9f6e41c3011ed0ad4b19cc57382c9f2a75

sc/source/filter/oox/workbooksettings.cxx

@@ -192,15 +192,31 @@ void WorkbookSettings::finalizeImport()
     aPropSet.setProperty( PROP_Wildcards,           true );     // always in Excel
 
     // write protection
-    if( maFileSharing.mbRecommendReadOnly || (maFileSharing.mnPasswordHash != 0) ) try
+    if (maFileSharing.mbRecommendReadOnly || (maFileSharing.mnPasswordHash != 0) ||
+            !maFileSharing.maHashValue.isEmpty()) try
     {
         getBaseFilter().getMediaDescriptor()[ "ReadOnly" ] <<= true;
 
         Reference< XPropertySet > xDocumentSettings( getBaseFilter().getModelFactory()->createInstance(
             "com.sun.star.document.Settings" ), UNO_QUERY_THROW );
         PropertySet aSettingsProp( xDocumentSettings );
-        if( maFileSharing.mbRecommendReadOnly )
+
+        /* TODO: not setting read-only if only mnPasswordHash ('password'
+         * attribute) is present looks a bit silly, any reason for that?
+         * 'readOnlyRecommended' is defined as "indicates on open, whether the
+         * application alerts the user that the file be marked as read-only",
+         * which sounds silly in itself and seems not to be present if the
+         * 'password' attribute isn't present, but.. */
+        if (maFileSharing.mbRecommendReadOnly || !maFileSharing.maHashValue.isEmpty())
             aSettingsProp.setProperty( PROP_LoadReadonly, true );
+
+        /* TODO: setting ModifyPasswordHash was commented out with commit
+         * 1a842832cd174d5ccfd832fdb94c93ae42e8eacc of which the filter
+         * fragment parts meanwhile contain PASSWORDTOMODIFY again, also for
+         * calc_OOXML.xcu, but setting the property doesn't raise a dialog. If
+         * it worked, a Sequence<PropertyValue> should be used for
+         * algorithmName,hashValue,... see also
+         * SfxObjectShell::SetModifyPasswordInfo() */
 //        if( maFileSharing.mnPasswordHash != 0 )
 //            aSettingsProp.setProperty( PROP_ModifyPasswordHash, static_cast< sal_Int32 >( maFileSharing.mnPasswordHash ) );
     }