Imports github.com/dimchansky/utfbom github.com/google/uuid github.com/pkg/errors github.com/sirupsen/logrus github.com/tealeg/xlsx Standard library imports bufio bytes context crypto/hmac crypto/md5 crypto/sha1 crypto/subtle encoding/hex encoding/json errors fmt io io/ioutil log mime/multipart net/http net/url os reflect regexp strconv strings time unicode