Check IF_NONE_MATCH header for directory listings

2016-01-23 14:29:37 -05:00
parent bec9f7a6cc
commit 15196ca4b9
2 changed files with 9 additions and 1 deletions
--- a/lib/remote_storage/swift.rb
+++ b/lib/remote_storage/swift.rb
@@ -75,9 +75,10 @@ module RemoteStorage
    end

    def get_directory_listing(user, directory)
-      # TODO check IF_NONE_MATCH header
      etag = redis.hget "rs_meta:#{user}:#{directory}/", "etag"

+      none_match = (server.env["HTTP_IF_NONE_MATCH"] || "").split(",").map(&:strip)
+      server.halt 304 if none_match.include? etag

      server.headers["Content-Type"] = "application/json"
      server.headers["ETag"] = %Q("#{etag}")