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package auth
import (
"fmt"
"nexus/config"
"nexus/models"
"nexus/repositories/account"
"nexus/repositories/session"
"nexus/types/auth"
"nexus/utils/logger"
"nexus/utils/shortcuts"
"nexus/utils/token"
"time"
"github.com/gofiber/fiber/v2"
"github.com/google/uuid"
)
func Register(req auth.RegisterRequest) (*models.Account, *fiber.Error) {
if existing, _ := account.FindByEmail(req.Email); existing != nil {
return nil, shortcuts.ServiceError(fiber.StatusConflict, ErrEmailTaken)
}
if existing, _ := account.FindByUsername(req.Username); existing != nil {
return nil, shortcuts.ServiceError(fiber.StatusConflict, ErrUsernameTaken)
}
a := &models.Account{
Username: req.Username,
Email: req.Email,
}
if err := a.SetPassword(req.Password); err != nil {
logger.Errorf(LogPrefix, PasswordHashFailed, err)
return nil, shortcuts.ServiceError(fiber.StatusInternalServerError, fmt.Sprintf(PasswordHashFailed, err))
}
if err := account.Create(a); err != nil {
logger.Errorf(LogPrefix, AccountCreateFailed, err)
return nil, shortcuts.ServiceError(fiber.StatusInternalServerError, fmt.Sprintf(AccountCreateFailed, err))
}
logger.Successf(LogPrefix, AccountCreated, a.Username)
return a, nil
}
func Login(req auth.LoginRequest, ip string, userAgent string) (*models.Session, *fiber.Error) {
a, err := account.FindByEmail(req.Email)
if err != nil || a == nil {
return nil, shortcuts.ServiceError(fiber.StatusUnauthorized, ErrInvalidCredentials)
}
if !a.IsActive {
return nil, shortcuts.ServiceError(fiber.StatusForbidden, ErrAccountDisabled)
}
if !a.CheckPassword(req.Password) {
return nil, shortcuts.ServiceError(fiber.StatusUnauthorized, ErrInvalidCredentials)
}
s, sessionErr := createSession(a.ID, ip, userAgent)
if sessionErr != nil {
return nil, sessionErr
}
logger.Successf(LogPrefix, LoginSuccess, a.Username)
return s, nil
}
func Refresh(refreshToken string, ip string, userAgent string) (*models.Session, *fiber.Error) {
s, err := session.FindByRefreshToken(refreshToken)
if err != nil || s == nil {
return nil, shortcuts.ServiceError(fiber.StatusUnauthorized, ErrInvalidToken)
}
if s.IsRefreshExpired() {
_ = session.Delete(s.ID)
return nil, shortcuts.ServiceError(fiber.StatusUnauthorized, ErrTokenExpired)
}
_ = session.Delete(s.ID)
return createSession(s.AccountID, ip, userAgent)
}
func Logout(authToken string) *fiber.Error {
s, err := session.FindByAuthToken(authToken)
if err != nil || s == nil {
return shortcuts.ServiceError(fiber.StatusUnauthorized, ErrInvalidToken)
}
if err := session.Delete(s.ID); err != nil {
logger.Errorf(LogPrefix, LogoutFailed, err)
return shortcuts.ServiceError(fiber.StatusInternalServerError, fmt.Sprintf(LogoutFailed, err))
}
return nil
}
func createSession(accountID uuid.UUID, ip string, userAgent string) (*models.Session, *fiber.Error) {
authToken, err := token.Generate()
if err != nil {
logger.Errorf(LogPrefix, TokenGenerateFailed, err)
return nil, shortcuts.ServiceError(fiber.StatusInternalServerError, fmt.Sprintf(TokenGenerateFailed, err))
}
refreshToken, err := token.Generate()
if err != nil {
logger.Errorf(LogPrefix, TokenGenerateFailed, err)
return nil, shortcuts.ServiceError(fiber.StatusInternalServerError, fmt.Sprintf(TokenGenerateFailed, err))
}
s := &models.Session{
AccountID: accountID,
AuthToken: authToken,
RefreshToken: refreshToken,
AuthExpiry: time.Now().Add(time.Duration(config.Token.AuthExpiry) * time.Minute),
RefreshExpiry: time.Now().Add(time.Duration(config.Token.RefreshExpiry) * 24 * time.Hour),
IPAddress: ip,
UserAgent: userAgent,
}
if err := session.Create(s); err != nil {
logger.Errorf(LogPrefix, SessionCreateFailed, err)
return nil, shortcuts.ServiceError(fiber.StatusInternalServerError, fmt.Sprintf(SessionCreateFailed, err))
}
return s, nil
}
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