fix: move v2 pkgs (#1331)

* fix: move eventstore pkgs

* fix: move eventstore pkgs

* fix: remove v2 view

* fix: remove v2 view

internal/domain/human_otp.go

@@ -0,0 +1,43 @@
+package domain
+
+import (
+	"github.com/caos/zitadel/internal/crypto"
+	caos_errs "github.com/caos/zitadel/internal/errors"
+	es_models "github.com/caos/zitadel/internal/eventstore/v1/models"
+	"github.com/pquerna/otp"
+	"github.com/pquerna/otp/totp"
+)
+
+type OTP struct {
+	es_models.ObjectRoot
+
+	Secret       *crypto.CryptoValue
+	SecretString string
+	Url          string
+	State        MFAState
+}
+
+func NewOTPKey(issuer, accountName string, cryptoAlg crypto.EncryptionAlgorithm) (*otp.Key, *crypto.CryptoValue, error) {
+	key, err := totp.Generate(totp.GenerateOpts{Issuer: issuer, AccountName: accountName})
+	if err != nil {
+		return nil, nil, err
+	}
+	encryptedSecret, err := crypto.Encrypt([]byte(key.Secret()), cryptoAlg)
+	if err != nil {
+		return nil, nil, err
+	}
+	return key, encryptedSecret, nil
+}
+
+func VerifyMFAOTP(code string, secret *crypto.CryptoValue, cryptoAlg crypto.EncryptionAlgorithm) error {
+	decrypt, err := crypto.DecryptString(secret, cryptoAlg)
+	if err != nil {
+		return err
+	}
+
+	valid := totp.Validate(code, decrypt)
+	if !valid {
+		return caos_errs.ThrowInvalidArgument(nil, "EVENT-8isk2", "Errors.User.MFA.OTP.InvalidCode")
+	}
+	return nil
+}