Update docker/web_nginx.conf

Co-authored-by: Drini Cami <cdrini@gmail.com>
internetarchive · May 12, 2021 · b7be22c · b7be22c
1 parent 7ae0228
commit b7be22c
Showing 1 changed file with 7 additions and 0 deletions.
diff --git a/docker/web_nginx.conf b/docker/web_nginx.conf
@@ -23,6 +23,13 @@ server {
 
     include /run/secrets/petabox_seed;
 
+    # Set the referrer policy so browsers send referrers to our own servers
+    # In July 2020, Chrome changed its default referrer policy so any cross-origin
+    # requests only sent the root referrer `/`. Since openlibrary.org
+    # has a different "origin" than analytics.archive.org, the full referrer
+    # path is not sent. This changes the behavior back to the pre-July 2020 change.
+    add_header Referrer-Policy "no-referrer-when-downgrade";
+
     root        /openlibrary;
 
     # Show closed-library page on errors.