Imports code.cloudfoundry.org/gunk/urljoiner code.cloudfoundry.org/lager github.com/concourse/atc/auth/verifier github.com/concourse/atc/db github.com/dgrijalva/jwt-go golang.org/x/net/context golang.org/x/oauth2 Standard library imports crypto/tls crypto/x509 encoding/json errors fmt net/http strings