mirror of
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100 lines
2.9 KiB
Go
100 lines
2.9 KiB
Go
package auth
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import (
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"fmt"
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"novamd/internal/db"
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"novamd/internal/models"
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"time"
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"github.com/google/uuid"
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)
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// SessionService manages user sessions in the database
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type SessionService struct {
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db db.SessionStore // Database store for sessions
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jwtManager JWTManager // JWT Manager for token operations
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}
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// NewSessionService creates a new session service with the given database and JWT manager
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func NewSessionService(db db.SessionStore, jwtManager JWTManager) *SessionService {
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return &SessionService{
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db: db,
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jwtManager: jwtManager,
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}
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}
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// CreateSession creates a new user session for a user with the given userID and role
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func (s *SessionService) CreateSession(userID int, role string) (*models.Session, string, error) {
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// Generate both access and refresh tokens
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accessToken, err := s.jwtManager.GenerateAccessToken(userID, role)
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if err != nil {
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return nil, "", fmt.Errorf("failed to generate access token: %w", err)
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}
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refreshToken, err := s.jwtManager.GenerateRefreshToken(userID, role)
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if err != nil {
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return nil, "", fmt.Errorf("failed to generate refresh token: %w", err)
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}
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// Validate the refresh token to get its expiry time
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claims, err := s.jwtManager.ValidateToken(refreshToken)
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if err != nil {
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return nil, "", fmt.Errorf("failed to validate refresh token: %w", err)
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}
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// Create a new session record
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session := &models.Session{
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ID: uuid.New().String(),
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UserID: userID,
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RefreshToken: refreshToken,
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ExpiresAt: claims.ExpiresAt.Time,
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CreatedAt: time.Now(),
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}
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// Store the session
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if err := s.db.CreateSession(session); err != nil {
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return nil, "", err
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}
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return session, accessToken, nil
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}
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// RefreshSession creates a new access token using a refreshToken
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func (s *SessionService) RefreshSession(refreshToken string) (string, error) {
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// Get session from database first
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session, err := s.db.GetSessionByRefreshToken(refreshToken)
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if err != nil {
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return "", fmt.Errorf("invalid session: %w", err)
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}
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// Validate the refresh token
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claims, err := s.jwtManager.ValidateToken(refreshToken)
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if err != nil {
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return "", fmt.Errorf("invalid refresh token: %w", err)
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}
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// Double check that the claims match the session
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if claims.UserID != session.UserID {
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return "", fmt.Errorf("token does not match session")
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}
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// Generate a new access token
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return s.jwtManager.GenerateAccessToken(claims.UserID, claims.Role)
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}
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// InvalidateSession removes a session with the given sessionID from the database
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func (s *SessionService) InvalidateSession(token string) error {
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// Parse the JWT to get the session info
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claims, err := s.jwtManager.ValidateToken(token)
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if err != nil {
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return fmt.Errorf("invalid token: %w", err)
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}
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return s.db.DeleteSession(claims.ID)
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}
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// CleanExpiredSessions removes all expired sessions from the database
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func (s *SessionService) CleanExpiredSessions() error {
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return s.db.CleanExpiredSessions()
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}
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