Imports gopkg.in/jcmturner/gokrb5.v7/client gopkg.in/jcmturner/gokrb5.v7/config gopkg.in/jcmturner/gokrb5.v7/keytab gopkg.in/jcmturner/gokrb5.v7/spnego Standard library imports fmt io/ioutil log net/http net/url strings