fix passkey

internal/service/webauth.go

@@ -272,11 +272,22 @@ func (s *WebAuthnService) FinishLogin(challenge string, response *http.Request)
 	// 	return nil, err
 	// }
 	var user *WebAuthnUser
-	_, err = s.WebAuthn.FinishDiscoverableLogin(s.GetWebAuthnUser(&user), *sessionData, response)
+	wc, err := s.WebAuthn.FinishDiscoverableLogin(s.GetWebAuthnUser(&user), *sessionData, response)
 	if err != nil {
 		return nil, err
 	}
-	// 更新Passkey的LastUsedAt
+	// 更新Passkey 这里SignCount应该是由验证器上传，但可能为0，手动+1
+	var pk model.Passkey
+	if err := s.DB.Model(&model.Passkey{}).Where("credential_id = ?", base64.StdEncoding.EncodeToString(wc.ID)).First(&pk).Error; err == nil {
+		if err := s.DB.Model(&model.Passkey{}).Where("id = ?", pk.ID, time.Now().Unix()).Updates(map[string]interface{}{
+			"sign_count":   pk.SignCount + 1,
+			"last_used_at": time.Now().Unix(),
+		}).Error; err != nil {
+			fmt.Println(err)
+		}
+
+	}
+
 	return user, nil
 }