GuestPrintShipment.patch

Index: vendor/fooman/pdfcustomiser-implementation-m2/src/Plugin/Order/GuestPrintShipment.php
IDEA additional info:
Subsystem: com.intellij.openapi.diff.impl.patch.CharsetEP
<+>UTF-8
===================================================================
--- vendor/fooman/pdfcustomiser-implementation-m2/src/Plugin/Order/GuestPrintShipment.php	(date 1555328863000)
+++ vendor/fooman/pdfcustomiser-implementation-m2/src/Plugin/Order/GuestPrintShipment.php	(date 1555328863000)
@@ -34,8 +34,11 @@
 
                 if ($shipmentId) {
                     $shipment = $this->shipmentRepository->get($shipmentId);
-                    
-                    if ($shipment) {
+                    $shipmentOrder = $shipment->getOrder();
+
+                    if ($shipment &&
+                        $this->orderViewAuthorization->canView($shipmentOrder)
+                    ) {
                         $document = $this->shipmentDocumentFactory->create(
                             ['data' => ['shipment' => $shipment]]
                         );