1 files changed, 16 insertions, 0 deletions
diff --git a/app/controllers/concerns/static_object_external_storage_csp.rb b/app/controllers/concerns/static_object_external_storage_csp.rb
new file mode 100644
index 00000000000..0be83e31d8b
--- /dev/null
+++ b/app/controllers/concerns/static_object_external_storage_csp.rb
@@ -0,0 +1,16 @@
+# frozen_string_literal: true
+
+module StaticObjectExternalStorageCSP
+  extend ActiveSupport::Concern
+
+  included do
+    content_security_policy do |p|
+      next if p.directives.blank?
+      next unless Gitlab::CurrentSettings.static_objects_external_storage_enabled?
+
+      default_connect_src = p.directives['connect-src'] || p.directives['default-src']
+      connect_src_values = Array.wrap(default_connect_src) | [Gitlab::CurrentSettings.static_objects_external_storage_url]
+      p.connect_src(*connect_src_values)
+    end
+  end
+end