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path: root/solve_tls.go
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package acme

import (
	"crypto/rand"
	"crypto/rsa"
	"crypto/x509"
	"crypto/x509/pkix"
	"log"
	"math/big"
	"net/http"
	"time"
)

const tlsKeySize = 2048

type tlsSolver struct {
	http.Server
}

func NewTLSSolver(addr string) Solver {
	s := new(tlsSolver)
	s.Server = http.Server{Addr: addr}
	go s.ListenAndServe()
	return s
}

func (s *tlsSolver) Solve(token, keyAuth string) error {
	log.Println("solve tls")
	tlsKey, err := rsa.GenerateKey(rand.Reader, tlsKeySize)
	if err != nil {
		return err
	}
	serialMax := new(big.Int).Lsh(big.NewInt(1), 128)
	serial, err := rand.Int(rand.Reader, serialMax)
	if err != nil {
		return err
	}
	tmpl := x509.Certificate{
		SerialNumber: serial,
		Subject: pkix.Name{
			Organization: []string{"Acme Co"},
		},
		NotBefore:             time.Now(),
		NotAfter:              time.Now().Add(time.Hour),
		KeyUsage:              x509.KeyUsageKeyEncipherment | x509.KeyUsageDigitalSignature,
		ExtKeyUsage:           []x509.ExtKeyUsage{x509.ExtKeyUsageServerAuth},
		BasicConstraintsValid: true,
	}
	_, _ = tlsKey, tmpl
	return nil
}

func (s *tlsSolver) Solved() error {
	return nil
}