add models / services / handlers of user / token / 2fa, add web server command

pkg/services/twofactor_authorizations.go

@@ -0,0 +1,204 @@
+package services
+
+import (
+	"time"
+	"xorm.io/xorm"
+
+	"github.com/pquerna/otp"
+	"github.com/pquerna/otp/totp"
+
+	"github.com/mayswind/lab/pkg/datastore"
+	"github.com/mayswind/lab/pkg/errs"
+	"github.com/mayswind/lab/pkg/models"
+	"github.com/mayswind/lab/pkg/settings"
+	"github.com/mayswind/lab/pkg/utils"
+	"github.com/mayswind/lab/pkg/uuid"
+)
+
+const (
+	TWOFACTOR_PERIOD               uint = 30 // seconds
+	TWOFACTOR_SECRET_SIZE          uint = 20 // bytes
+	TWOFACTOR_RECOVERY_CODE_COUNT  int  = 10
+	TWOFACTOR_RECOVERY_CODE_LENGTH int  = 10 // bytes
+)
+
+type TwoFactorAuthorizationService struct {
+	ServiceUsingDB
+	ServiceUsingConfig
+	ServiceUsingUuid
+}
+
+var (
+	TwoFactorAuthorizations = &TwoFactorAuthorizationService{
+		ServiceUsingDB: ServiceUsingDB{
+			container: datastore.Container,
+		},
+		ServiceUsingConfig: ServiceUsingConfig{
+			container: settings.Container,
+		},
+		ServiceUsingUuid: ServiceUsingUuid{
+			container: uuid.Container,
+		},
+	}
+)
+
+func (s *TwoFactorAuthorizationService) GetUserTwoFactorSettingByUid(uid int64) (*models.TwoFactor, error) {
+	if uid <= 0 {
+		return nil, errs.ErrUserIdInvalid
+	}
+
+	twoFactor := &models.TwoFactor{}
+	has, err := s.UserDB().Where("uid=?", uid).Get(twoFactor)
+
+	if err != nil {
+		return nil, err
+	} else if !has {
+		return nil, errs.ErrTwoFactorKeyIsNotEnabled
+	}
+
+	twoFactor.Secret, err = utils.DecryptSecret(twoFactor.Secret, s.CurrentConfig().SecretKey)
+
+	if err != nil {
+		return nil, err
+	}
+
+	return twoFactor, nil
+}
+
+func (s *TwoFactorAuthorizationService) GenerateTwoFactorSecret(user *models.User) (*otp.Key, error) {
+	if user == nil {
+		return nil, errs.ErrUserNotFound
+	}
+
+	key, err := totp.Generate(totp.GenerateOpts{
+		Issuer:      s.CurrentConfig().AppName,
+		AccountName: user.Username,
+		Period:      TWOFACTOR_PERIOD,
+		SecretSize:  TWOFACTOR_SECRET_SIZE,
+	})
+
+	return key, err
+}
+
+func (s *TwoFactorAuthorizationService) CreateTwoFactorSetting(twoFactor *models.TwoFactor) error {
+	if twoFactor.Uid <= 0 {
+		return errs.ErrUserIdInvalid
+	}
+
+	var err error
+	twoFactor.Secret, err = utils.EncyptSecret(twoFactor.Secret, s.CurrentConfig().SecretKey)
+
+	if err != nil {
+		return err
+	}
+
+	twoFactor.CreatedUnixTime = time.Now().Unix()
+
+	return s.UserDB().DoTranscation(func(sess *xorm.Session) error {
+		_, err := sess.Insert(twoFactor)
+		return err
+	})
+}
+
+func (s *TwoFactorAuthorizationService) DeleteTwoFactorSetting(uid int64) error {
+	if uid <= 0 {
+		return errs.ErrUserIdInvalid
+	}
+
+	return s.UserDB().DoTranscation(func(sess *xorm.Session) error {
+		deletedRows, err := sess.Where("uid=?", uid).Delete(&models.TwoFactor{})
+
+		if deletedRows < 1 {
+			return errs.ErrTwoFactorKeyIsNotEnabled
+		}
+
+		return err
+	})
+}
+
+func (s *TwoFactorAuthorizationService) ExistsTwoFactorSetting(uid int64) (bool, error) {
+	if uid <= 0 {
+		return false, errs.ErrUserIdInvalid
+	}
+
+	return s.UserDB().Cols("uid").Where("uid=?", uid).Exist(&models.TwoFactor{})
+}
+
+func (s *TwoFactorAuthorizationService) GetAndUseUserTwoFactorRecoveryCode(uid int64, recoveryCode string, salt string) error {
+	if uid <= 0 {
+		return errs.ErrUserIdInvalid
+	}
+
+	recoveryCode = utils.EncodePassword(recoveryCode, salt)
+	exists, err := s.UserDB().Cols("uid", "recovery_code").Where("uid=? AND recovery_code=? AND used=?", uid, recoveryCode, false).Exist(&models.TwoFactorRecoveryCode{})
+
+	if err != nil {
+		return err
+	} else if !exists {
+		return errs.ErrTwoFactorRecoveryCodeNotExist
+	}
+
+	return s.UserDB().DoTranscation(func(sess *xorm.Session) error {
+		_, err := sess.Cols("used", "used_unix_time").Where("uid=? AND recovery_code=?", uid, recoveryCode).Update(&models.TwoFactorRecoveryCode{Used: true, UsedUnixTime: time.Now().Unix()})
+		return err
+	})
+}
+
+func (s *TwoFactorAuthorizationService) GenerateTwoFactorRecoveryCodes() ([]string, error) {
+	recoveryCodes := make([]string, TWOFACTOR_RECOVERY_CODE_COUNT)
+
+	for i := 0; i < TWOFACTOR_RECOVERY_CODE_COUNT; i++ {
+		recoveryCode, err := utils.GetRandomNumberOrLetter(TWOFACTOR_RECOVERY_CODE_LENGTH)
+
+		if err != nil {
+			return nil, err
+		}
+
+		recoveryCodes[i] = recoveryCode[:5] + "-" + recoveryCode[5:]
+	}
+
+	return recoveryCodes, nil
+}
+
+func (s *TwoFactorAuthorizationService) CreateTwoFactorRecoveryCodes(uid int64, recoveryCodes []string, salt string) error {
+	twoFactorRecoveryCodes := make([]*models.TwoFactorRecoveryCode, len(recoveryCodes))
+
+	for i := 0; i < len(recoveryCodes); i++ {
+		twoFactorRecoveryCodes[i] = &models.TwoFactorRecoveryCode{
+			Uid:             uid,
+			Used:            false,
+			RecoveryCode:    utils.EncodePassword(recoveryCodes[i], salt),
+			CreatedUnixTime: time.Now().Unix(),
+		}
+	}
+
+	return s.UserDB().DoTranscation(func(sess *xorm.Session) error {
+		_, err := sess.Where("uid=?", uid).Delete(&models.TwoFactorRecoveryCode{})
+
+		if err != nil {
+			return err
+		}
+
+		for i := 0; i < len(twoFactorRecoveryCodes); i++ {
+			twoFactorRecoveryCode := twoFactorRecoveryCodes[i]
+			_, err := sess.Insert(twoFactorRecoveryCode)
+
+			if err != nil {
+				return err
+			}
+		}
+
+		return nil
+	})
+}
+
+func (s *TwoFactorAuthorizationService) DeleteTwoFactorRecoveryCodes(uid int64) error {
+	if uid <= 0 {
+		return errs.ErrUserIdInvalid
+	}
+
+	return s.UserDB().DoTranscation(func(sess *xorm.Session) error {
+		_, err := sess.Where("uid=?", uid).Delete(&models.TwoFactorRecoveryCode{})
+		return err
+	})
+}