1 files changed, 24 insertions, 0 deletions
diff --git a/lib/gitlab/middleware/sidekiq_web_static.rb b/lib/gitlab/middleware/sidekiq_web_static.rb
new file mode 100644
index 00000000000..61b5fb9e0c6
--- /dev/null
+++ b/lib/gitlab/middleware/sidekiq_web_static.rb
@@ -0,0 +1,24 @@
+# frozen_string_literal: true
+
+# This module removes the X-Sendfile-Type header for /admin/sidekiq
+# assets since Workhorse isn't always guaranteed to have the assets
+# present on disk, such as when using Cloud Native GitLab
+# containers. These assets are also small and served infrequently so it
+# should be fine to do this.
+module Gitlab
+  module Middleware
+    class SidekiqWebStatic
+      SIDEKIQ_REGEX = %r{\A/admin/sidekiq/}.freeze
+
+      def initialize(app)
+        @app = app
+      end
+
+      def call(env)
+        env.delete('HTTP_X_SENDFILE_TYPE') if env['PATH_INFO'] =~ SIDEKIQ_REGEX
+
+        @app.call(env)
+      end
+    end
+  end
+end