MIF_E31222379_BE/internal/services/auth.go

81 lines
1.9 KiB
Go

package services
import (
"errors"
"os"
"time"
"github.com/golang-jwt/jwt/v5"
"github.com/pahmiudahgede/senggoldong/domain"
"github.com/pahmiudahgede/senggoldong/internal/repositories"
"golang.org/x/crypto/bcrypt"
)
func RegisterUser(username, name, email, phone, password, roleId string) error {
if repositories.IsEmailExist(email) {
return errors.New("email is already registered")
}
if repositories.IsUsernameExist(username) {
return errors.New("username is already registered")
}
if repositories.IsPhoneExist(phone) {
return errors.New("phone number is already registered")
}
hashedPassword, err := bcrypt.GenerateFromPassword([]byte(password), bcrypt.DefaultCost)
if err != nil {
return errors.New("failed to hash password")
}
err = repositories.CreateUser(username, name, email, phone, string(hashedPassword), roleId)
if err != nil {
return err
}
return nil
}
func LoginUser(emailOrUsername, password string) (string, error) {
if emailOrUsername == "" || password == "" {
return "", errors.New("email/username and password must be provided")
}
user, err := repositories.GetUserByEmailOrUsername(emailOrUsername)
if err != nil {
return "", errors.New("invalid email/username or password")
}
if err := bcrypt.CompareHashAndPassword([]byte(user.Password), []byte(password)); err != nil {
return "", errors.New("invalid email/username or password")
}
token := generateJWT(user.ID)
return token, nil
}
func generateJWT(userID string) string {
claims := jwt.MapClaims{
"sub": userID,
"exp": time.Now().Add(time.Hour * 24).Unix(),
}
token := jwt.NewWithClaims(jwt.SigningMethodHS256, claims)
t, err := token.SignedString([]byte(os.Getenv("API_KEY")))
if err != nil {
return ""
}
return t
}
func GetUserByID(userID string) (domain.User, error) {
user, err := repositories.GetUserByID(userID)
if err != nil {
return user, errors.New("user not found")
}
return user, nil
}