Imports github.com/gorilla/mux github.com/gorilla/websocket github.com/msteinert/pam github.com/pkg/errors golang.org/x/crypto/acme/autocert golang.org/x/crypto/ssh golang.org/x/crypto/ssh/knownhosts Standard library imports bytes context crypto/sha256 crypto/subtle crypto/tls encoding/json errors fmt html/template io io/ioutil log math/rand net net/http net/url os os/exec os/user path regexp strconv strings sync time