api/internal/provider/auth/service.go
2025-07-07 17:45:58 +03:00

76 lines
1.8 KiB
Go

package auth
import (
"errors"
"github.com/google/uuid"
"gorm.io/gorm"
"merch-parser-api/internal/interfaces"
"merch-parser-api/internal/shared"
"time"
)
type Service struct {
repo Repository
jwtProvider interfaces.JWTProvider
}
func newService(repo Repository, jwtProvider interfaces.JWTProvider) *Service {
return &Service{
repo: repo,
jwtProvider: jwtProvider,
}
}
func (s *Service) Login(userUuid string) (shared.AuthData, error) {
return s.generateTokens(userUuid)
}
func (s *Service) Refresh(userUuid string, refreshUuid string) (shared.AuthData, error) {
var err error
tokenData, err := s.repo.ReadRefreshToken(userUuid, refreshUuid)
if err != nil {
if errors.Is(err, gorm.ErrRecordNotFound) {
return shared.AuthData{}, errors.New("refresh token is not valid or doesn't exist")
}
return shared.AuthData{}, err
}
if tokenData.Expires < time.Now().UTC().Unix() {
return shared.AuthData{}, errors.New("token expired")
}
err = s.repo.InvalidateRefreshToken(userUuid, refreshUuid)
if err != nil {
return shared.AuthData{}, err
}
return s.generateTokens(userUuid)
}
func (s *Service) Logout(userUuid string, refreshUuid string) error {
return s.repo.InvalidateRefreshToken(userUuid, refreshUuid)
}
func (s *Service) generateTokens(userUuid string) (shared.AuthData, error) {
accessToken, err := s.jwtProvider.CreateAccessToken(userUuid)
if err != nil {
return shared.AuthData{}, err
}
refreshTokenUuid := uuid.NewString()
refreshToken, exp, err := s.jwtProvider.CreateRefreshToken(userUuid, refreshTokenUuid)
if err != nil {
return shared.AuthData{}, err
}
err = s.repo.CreateRefreshToken(&RefreshToken{
Expires: exp,
UserUuid: userUuid,
TokenUuid: refreshTokenUuid,
})
return shared.AuthData{
AccessToken: accessToken,
RefreshToken: refreshToken,
}, nil
}