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package main
import (
"context"
"fmt"
"net/http"
"os"
"time"
"github.com/smallstep/certificates/ca"
)
func main() {
if len(os.Args) != 2 {
fmt.Fprintf(os.Stderr, "Usage: %s <token>\n", os.Args[0])
os.Exit(1)
}
token := os.Args[1]
// make sure to cancel the renew goroutine
ctx, cancel := context.WithCancel(context.Background())
defer cancel()
srv, err := ca.BootstrapServer(ctx, token, &http.Server{
Addr: ":8443",
Handler: http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
name := "nobody"
if r.TLS != nil && len(r.TLS.PeerCertificates) > 0 {
name = r.TLS.PeerCertificates[0].Subject.CommonName
}
w.Write([]byte(fmt.Sprintf("Hello %s at %s!!!", name, time.Now().UTC())))
}),
})
if err != nil {
panic(err)
}
fmt.Println("Listening on :8443 ...")
if err := srv.ListenAndServeTLS("", ""); err != nil {
panic(err)
}
}