tailscale/tsnet/example/tsnet-funnel/tsnet-funnel.go

56 lines
1.2 KiB
Go

// Copyright (c) 2021 Tailscale Inc & AUTHORS All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// The tshello server demonstrates how to use Tailscale as a library.
package main
import (
"crypto/tls"
"flag"
"fmt"
"log"
"net/http"
"tailscale.com/tsnet"
)
var (
addr = flag.String("addr", ":443", "address to listen on")
)
func main() {
flag.Parse()
s := new(tsnet.Server)
defer s.Close()
publicLis, err := s.ExposeHTTPS()
if err != nil {
log.Fatal(err)
}
ln, err := s.Listen("tcp", *addr)
if err != nil {
log.Fatal(err)
}
defer ln.Close()
lc, err := s.LocalClient()
if err != nil {
log.Fatal(err)
}
ln = tls.NewListener(ln, &tls.Config{
GetCertificate: lc.GetCertificate,
})
go log.Fatal(http.Serve(publicLis, http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
fmt.Fprintln(w, "<html><body><h1>Hello, internet!</h1>")
fmt.Fprintln(w, "<p>You are connected over the internet!</p></html>")
})))
log.Fatal(http.Serve(ln, http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
fmt.Fprintln(w, "<html><body><h1>Hello, tailnet!</h1>")
fmt.Fprintln(w, "<p>You are connected over the tailnet!</p></html>")
})))
}