3 files changed, 5 insertions, 3 deletions
diff --git a/lib/gitlab/etag_caching/middleware.rb b/lib/gitlab/etag_caching/middleware.rb
index 7f884183bb1..1d6f5bb5e1c 100644
--- a/lib/gitlab/etag_caching/middleware.rb
+++ b/lib/gitlab/etag_caching/middleware.rb
@@ -7,7 +7,7 @@ module Gitlab
 
       def call(env)
         request = Rack::Request.new(env)
-        route = Gitlab::EtagCaching::Router.match(request)
+        route = Gitlab::EtagCaching::Router.match(request.path_info)
         return @app.call(env) unless route
 
         track_event(:etag_caching_middleware_used, route)
diff --git a/lib/gitlab/etag_caching/router.rb b/lib/gitlab/etag_caching/router.rb
index dccc66b3918..75167a6b088 100644
--- a/lib/gitlab/etag_caching/router.rb
+++ b/lib/gitlab/etag_caching/router.rb
@@ -53,8 +53,8 @@ module Gitlab
         )
       ].freeze
 
-      def self.match(request)
-        ROUTES.find { |route| route.regexp.match(request.path_info) }
+      def self.match(path)
+        ROUTES.find { |route| route.regexp.match(path) }
       end
     end
   end
diff --git a/lib/gitlab/etag_caching/store.rb b/lib/gitlab/etag_caching/store.rb
index 0039fc01c8f..072fcfc65e6 100644
--- a/lib/gitlab/etag_caching/store.rb
+++ b/lib/gitlab/etag_caching/store.rb
@@ -25,6 +25,8 @@ module Gitlab
       end
 
       def redis_key(key)
+        raise 'Invalid key' if !Rails.env.production? && !Gitlab::EtagCaching::Router.match(key)
+
         "#{REDIS_NAMESPACE}#{key}"
       end
     end