131 lines
3.2 KiB
Go
131 lines
3.2 KiB
Go
package service
|
|
|
|
import (
|
|
"context"
|
|
"errors"
|
|
"time"
|
|
|
|
"go-backend-template/internal/contract"
|
|
"go-backend-template/internal/entities"
|
|
"go-backend-template/internal/repository"
|
|
"go-backend-template/internal/transformer"
|
|
|
|
"github.com/golang-jwt/jwt/v5"
|
|
"github.com/google/uuid"
|
|
"golang.org/x/crypto/bcrypt"
|
|
)
|
|
|
|
type AuthServiceImpl struct {
|
|
userRepo *repository.UserRepositoryImpl
|
|
jwtSecret string
|
|
}
|
|
|
|
func NewAuthService(userRepo *repository.UserRepositoryImpl, jwtSecret string) *AuthServiceImpl {
|
|
return &AuthServiceImpl{
|
|
userRepo: userRepo,
|
|
jwtSecret: jwtSecret,
|
|
}
|
|
}
|
|
|
|
func (s *AuthServiceImpl) Login(ctx context.Context, req *contract.LoginRequest) (*contract.LoginResponse, error) {
|
|
user, err := s.userRepo.GetByEmail(ctx, req.Email)
|
|
if err != nil {
|
|
return nil, errors.New("invalid credentials")
|
|
}
|
|
|
|
if !user.IsActive {
|
|
return nil, errors.New("user account is inactive")
|
|
}
|
|
|
|
if err := bcrypt.CompareHashAndPassword([]byte(user.PasswordHash), []byte(req.Password)); err != nil {
|
|
return nil, errors.New("invalid credentials")
|
|
}
|
|
|
|
token, err := s.generateToken(user)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
|
|
expiresAt := time.Now().Add(24 * time.Hour)
|
|
|
|
return &contract.LoginResponse{
|
|
Token: token,
|
|
ExpiresAt: expiresAt,
|
|
User: transformer.EntityToContract(user),
|
|
}, nil
|
|
}
|
|
|
|
func (s *AuthServiceImpl) RefreshToken(ctx context.Context, req *contract.RefreshTokenRequest) (*contract.LoginResponse, error) {
|
|
claims, err := s.ValidateToken(req.RefreshToken)
|
|
if err != nil {
|
|
return nil, errors.New("invalid refresh token")
|
|
}
|
|
|
|
userID, err := uuid.Parse(claims.Subject)
|
|
if err != nil {
|
|
return nil, errors.New("invalid user ID in token")
|
|
}
|
|
|
|
user, err := s.userRepo.GetByID(ctx, userID)
|
|
if err != nil {
|
|
return nil, errors.New("user not found")
|
|
}
|
|
|
|
if !user.IsActive {
|
|
return nil, errors.New("user account is inactive")
|
|
}
|
|
|
|
token, err := s.generateToken(user)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
|
|
expiresAt := time.Now().Add(24 * time.Hour)
|
|
|
|
return &contract.LoginResponse{
|
|
Token: token,
|
|
ExpiresAt: expiresAt,
|
|
User: transformer.EntityToContract(user),
|
|
}, nil
|
|
}
|
|
|
|
func (s *AuthServiceImpl) GetProfile(ctx context.Context, userID uuid.UUID) (*contract.UserResponse, error) {
|
|
user, err := s.userRepo.GetByID(ctx, userID)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
|
|
return transformer.EntityToContract(user), nil
|
|
}
|
|
|
|
func (s *AuthServiceImpl) generateToken(user *entities.User) (string, error) {
|
|
claims := jwt.RegisteredClaims{
|
|
Subject: user.ID.String(),
|
|
ExpiresAt: jwt.NewNumericDate(time.Now().Add(24 * time.Hour)),
|
|
IssuedAt: jwt.NewNumericDate(time.Now()),
|
|
}
|
|
|
|
token := jwt.NewWithClaims(jwt.SigningMethodHS256, claims)
|
|
return token.SignedString([]byte(s.jwtSecret))
|
|
}
|
|
|
|
func (s *AuthServiceImpl) ValidateToken(tokenString string) (*jwt.RegisteredClaims, error) {
|
|
token, err := jwt.ParseWithClaims(tokenString, &jwt.RegisteredClaims{}, func(token *jwt.Token) (interface{}, error) {
|
|
return []byte(s.jwtSecret), nil
|
|
})
|
|
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
|
|
if claims, ok := token.Claims.(*jwt.RegisteredClaims); ok && token.Valid {
|
|
return claims, nil
|
|
}
|
|
|
|
return nil, errors.New("invalid token")
|
|
}
|
|
|
|
func (s *AuthServiceImpl) GetUserByID(ctx context.Context, userID uuid.UUID) (*entities.User, error) {
|
|
return s.userRepo.GetByID(ctx, userID)
|
|
}
|