$ abort Forbidden [] Nothing
-- 讀める
tag <- liftIO $ generateETagFromFile path
- lastMod <- return $ posixSecondsToUTCTime $ toEnum $ fromEnum $ modificationTime stat
+ lastMod <- return $ posixSecondsToUTCTime $ fromRational $ toRational $ modificationTime stat
foundEntity tag lastMod
-- MIME Type を推定