🐛 force referrerPolicy for OpenStreetMap tile access

1 files changed, 11 insertions, 1 deletions

diff --git a/ishtar_common/static/js/ishtar-map.js b/ishtar_common/static/js/ishtar-map.js
index 46a31c28e..b28f5fe0e 100644
--- a/ishtar_common/static/js/ishtar-map.js
+++ b/ishtar_common/static/js/ishtar-map.js
@@ -192,7 +192,17 @@ var TrackPositionControl = (function (Control) {
 /* base layers */
 
 var source_osm = function(options){
-    options["source"] = new ol.source.OSM();
+    options["source"] = new ol.source.OSM({
+        // remove in when switching to OL>= 10.6.1 -> new ol.source.OSM()
+        tileLoadFunction: (imageTile, src) => {
+            const img = imageTile.getImage();
+            // Set the per-image referrer policy before assigning the src
+            if (img && 'referrerPolicy' in img) {
+                img.referrerPolicy = 'origin-when-cross-origin';
+            }
+            img.src = src;
+        }
+    });
     return new ol.layer.Tile(options);
 };