add conversion from account V1 to V2 (#9)

dumper/kv/convert.go

@@ -0,0 +1,65 @@
+package kv
+
+import (
+	"github.com/go-acme/lego/certcrypto"
+	"github.com/go-acme/lego/registration"
+	"github.com/ldez/traefik-certs-dumper/dumper"
+)
+
+// CertificateV1 is used to store certificate info
+type CertificateV1 struct {
+	Domain        string
+	CertURL       string
+	CertStableURL string
+	PrivateKey    []byte
+	Certificate   []byte
+}
+
+// AccountV1 is used to store lets encrypt registration info
+type AccountV1 struct {
+	Email              string
+	Registration       *registration.Resource
+	PrivateKey         []byte
+	KeyType            certcrypto.KeyType
+	DomainsCertificate DomainsCertificates
+	ChallengeCerts     map[string]*ChallengeCert
+	HTTPChallenge      map[string]map[string][]byte
+}
+
+// DomainsCertificates stores a certificate for multiple domains
+type DomainsCertificates struct {
+	Certs []*DomainsCertificate
+}
+
+// ChallengeCert stores a challenge certificate
+type ChallengeCert struct {
+	Certificate []byte
+	PrivateKey  []byte
+}
+
+// DomainsCertificate contains a certificate for multiple domains
+type DomainsCertificate struct {
+	Domains     dumper.Domain
+	Certificate *CertificateV1
+}
+
+// convertAccountV1ToV2 converts account information from version 1 to 2
+func convertAccountV1ToV2(account *AccountV1) *dumper.StoredData {
+	storedData := &dumper.StoredData{}
+	storedData.Account = &dumper.Account{
+		PrivateKey:   account.PrivateKey,
+		Registration: account.Registration,
+		Email:        account.Email,
+		KeyType:      account.KeyType,
+	}
+	var certs []*dumper.Certificate
+	for _, oldCert := range account.DomainsCertificate.Certs {
+		certs = append(certs, &dumper.Certificate{
+			Certificate: oldCert.Certificate.Certificate,
+			Domain:      oldCert.Domains,
+			Key:         oldCert.Certificate.PrivateKey,
+		})
+	}
+	storedData.Certificates = certs
+	return storedData
+}

dumper/kv/kv.go

@@ -78,10 +78,10 @@ func getStoredDataFromGzip(pair *store.KVPair) (*dumper.StoredData, error) {
 		return data, err
 	}
 
-	storedData := &dumper.StoredData{}
-	if err := json.Unmarshal(acmeData, &storedData); err != nil {
+	account := &AccountV1{}
+	if err := json.Unmarshal(acmeData, &account); err != nil {
 		return data, err
 	}
 
-	return storedData, nil
+	return convertAccountV1ToV2(account), nil
 }