Initial commit

This commit is contained in:
Yuzuki616
2024-09-12 06:04:32 +09:00
commit 3f58fa7f0d
31 changed files with 2814 additions and 0 deletions

40
acme/acme.go Normal file
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package acme
import (
"Ratte/conf"
"fmt"
"path"
"github.com/go-acme/lego/v4/certcrypto"
"github.com/go-acme/lego/v4/lego"
)
type Acme struct {
client *lego.Client
c *conf.ACME
}
func NewAcme(c *conf.ACME) (*Acme, error) {
user, err := NewLegoUser(
path.Join(c.Storage, "user", fmt.Sprintf("user-%s.json", c.Email)),
c.Email)
if err != nil {
return nil, fmt.Errorf("create user error: %s", err)
}
lc := lego.NewConfig(user)
//c.CADirURL = "http://192.168.99.100:4000/directory"
lc.Certificate.KeyType = certcrypto.RSA2048
client, err := lego.NewClient(lc)
if err != nil {
return nil, err
}
l := Acme{
client: client,
c: c,
}
err = l.SetProvider()
if err != nil {
return nil, fmt.Errorf("set provider error: %s", err)
}
return &l, nil
}

119
acme/cert.go Normal file
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package acme
import (
"Ratte/common/file"
"fmt"
"github.com/go-acme/lego/v4/certcrypto"
"github.com/go-acme/lego/v4/certificate"
"github.com/go-acme/lego/v4/challenge/http01"
"github.com/go-acme/lego/v4/providers/dns"
"os"
"path"
"time"
)
func checkPath(p string) error {
if !file.IsExist(path.Dir(p)) {
err := os.MkdirAll(path.Dir(p), 0755)
if err != nil {
return fmt.Errorf("create dir error: %s", err)
}
}
return nil
}
func (l *Acme) SetProvider() error {
switch l.c.Provider {
case "http":
err := l.client.Challenge.SetHTTP01Provider(http01.NewProviderServer("", "80"))
if err != nil {
return err
}
case "dns":
for k, v := range l.c.DNSEnv {
os.Setenv(k, v)
}
p, err := dns.NewDNSChallengeProviderByName(l.c.Provider)
if err != nil {
return fmt.Errorf("create dns challenge provider error: %s", err)
}
err = l.client.Challenge.SetDNS01Provider(p)
if err != nil {
return fmt.Errorf("set dns provider error: %s", err)
}
default:
return fmt.Errorf("unsupported provider %s", l.c.Provider)
}
return nil
}
func (l *Acme) CreateCert(certPath, keyPath, domain string) (err error) {
if certPath == "" || keyPath == "" {
return fmt.Errorf("cert file path or key file path not exist")
}
if file.IsExist(certPath) && file.IsExist(keyPath) {
return l.RenewCert(certPath, keyPath, domain)
}
request := certificate.ObtainRequest{
Domains: []string{domain},
Bundle: true,
}
certificates, err := l.client.Certificate.Obtain(request)
if err != nil {
return fmt.Errorf("obtain certificate error: %s", err)
}
err = l.writeCert(certPath, keyPath, certificates)
return nil
}
func (l *Acme) RenewCert(certPath, keyPath, domain string) error {
file, err := os.ReadFile(certPath)
if err != nil {
return fmt.Errorf("read cert file error: %s", err)
}
if e, err := l.CheckCert(file); !e {
return nil
} else if err != nil {
return fmt.Errorf("check cert error: %s", err)
}
res, err := l.client.Certificate.Renew(certificate.Resource{
Domain: domain,
Certificate: file,
}, true, false, "")
if err != nil {
return err
}
err = l.writeCert(certPath, keyPath, res)
return nil
}
func (l *Acme) CheckCert(file []byte) (bool, error) {
cert, err := certcrypto.ParsePEMCertificate(file)
if err != nil {
return false, err
}
notAfter := int(time.Until(cert.NotAfter).Hours() / 24.0)
if notAfter > 30 {
return false, nil
}
return true, nil
}
func (l *Acme) writeCert(cert, key string, certificates *certificate.Resource) error {
err := checkPath(cert)
if err != nil {
return fmt.Errorf("check path error: %s", err)
}
err = os.WriteFile(cert, certificates.Certificate, 0644)
if err != nil {
return err
}
err = checkPath(key)
if err != nil {
return fmt.Errorf("check path error: %s", err)
}
err = os.WriteFile(key, certificates.PrivateKey, 0644)
if err != nil {
return err
}
return nil
}

129
acme/user.go Normal file
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package acme
import (
"Ratte/common/file"
"crypto"
"crypto/ecdsa"
"crypto/elliptic"
"crypto/rand"
"crypto/x509"
"encoding/pem"
"fmt"
"github.com/go-acme/lego/v4/lego"
"github.com/go-acme/lego/v4/registration"
"github.com/goccy/go-json"
"os"
)
type User struct {
Email string `json:"Email"`
Registration *registration.Resource `json:"Registration"`
key crypto.PrivateKey
KeyEncoded string `json:"Key"`
}
func (u *User) GetEmail() string {
return u.Email
}
func (u *User) GetRegistration() *registration.Resource {
return u.Registration
}
func (u *User) GetPrivateKey() crypto.PrivateKey {
return u.key
}
func NewLegoUser(path string, email string) (*User, error) {
var user User
if file.IsExist(path) {
err := user.Load(path)
if err != nil {
return nil, err
}
if user.Email != email {
user.Registration = nil
user.Email = email
err := registerUser(&user, path)
if err != nil {
return nil, err
}
}
} else {
user.Email = email
err := registerUser(&user, path)
if err != nil {
return nil, err
}
}
return &user, nil
}
func registerUser(user *User, path string) error {
privateKey, err := ecdsa.GenerateKey(elliptic.P256(), rand.Reader)
if err != nil {
return fmt.Errorf("generate key error: %s", err)
}
user.key = privateKey
c := lego.NewConfig(user)
client, err := lego.NewClient(c)
if err != nil {
return fmt.Errorf("create lego client error: %s", err)
}
reg, err := client.Registration.Register(registration.RegisterOptions{TermsOfServiceAgreed: true})
if err != nil {
return err
}
user.Registration = reg
err = user.Save(path)
if err != nil {
return fmt.Errorf("save user error: %s", err)
}
return nil
}
func EncodePrivate(privKey *ecdsa.PrivateKey) (string, error) {
encoded, err := x509.MarshalECPrivateKey(privKey)
if err != nil {
return "", err
}
pemEncoded := pem.EncodeToMemory(&pem.Block{Type: "EC PRIVATE KEY", Bytes: encoded})
return string(pemEncoded), nil
}
func (u *User) Save(path string) error {
err := checkPath(path)
if err != nil {
return fmt.Errorf("check path error: %s", err)
}
u.KeyEncoded, _ = EncodePrivate(u.key.(*ecdsa.PrivateKey))
f, err := os.OpenFile(path, os.O_CREATE|os.O_TRUNC|os.O_WRONLY, 0644)
if err != nil {
return err
}
err = json.NewEncoder(f).Encode(u)
if err != nil {
return fmt.Errorf("marshal json error: %s", err)
}
u.KeyEncoded = ""
return nil
}
func (u *User) DecodePrivate(pemEncodedPriv string) (*ecdsa.PrivateKey, error) {
blockPriv, _ := pem.Decode([]byte(pemEncodedPriv))
x509EncodedPriv := blockPriv.Bytes
privateKey, err := x509.ParseECPrivateKey(x509EncodedPriv)
return privateKey, err
}
func (u *User) Load(path string) error {
f, err := os.Open(path)
if err != nil {
return fmt.Errorf("open file error: %s", err)
}
err = json.NewDecoder(f).Decode(u)
if err != nil {
return fmt.Errorf("unmarshal json error: %s", err)
}
u.key, err = u.DecodePrivate(u.KeyEncoded)
if err != nil {
return fmt.Errorf("decode private key error: %s", err)
}
return nil
}