Imports github.com/beevik/etree github.com/crewjam/saml github.com/sirupsen/logrus github.com/slok/go-http-metrics/metrics/prometheus github.com/slok/go-http-metrics/middleware github.com/slok/go-http-metrics/middleware/std Standard library imports bytes crypto/rsa crypto/x509 crypto/x509/pkix encoding/base64 encoding/hex encoding/pem encoding/xml fmt html io math/big math/rand net/http net/url os sort strings time