Method GetByID

middleware/session/store.go:302–343

GetByID retrieves a session by its ID from the storage. If the session is not found, it returns nil and an error. Unlike session middleware methods, this function does not automatically: - Load the session into the request context. - Save the session data to the storage or update the client cooki

(ctx context.Context, id string)

//	    // handle error
//	}
func (s *Store) GetByID(ctx context.Context, id string) (*Session, error) {
	if id == "" {
		return nil, ErrEmptySessionID
	}

	rawData, err := s.Storage.GetWithContext(ctx, id)
	if err != nil {
		return nil, err
	}
	if rawData == nil {
		return nil, ErrSessionIDNotFoundInStore
	}

	sess := acquireSession()

	sess.mu.Lock()

	sess.config = s
	sess.id = id
	sess.isFresh = false

	sess.data.Lock()
	decodeErr := sess.decodeSessionData(rawData)
	sess.data.Unlock()
	sess.mu.Unlock()
	if decodeErr != nil {
		sess.Release()
		return nil, fmt.Errorf("failed to decode session data: %w", decodeErr)
	}

	if s.AbsoluteTimeout > 0 {
		if sess.isAbsExpired() {
			if err := sess.Destroy(); err != nil { //nolint:contextcheck // it is not right
				sess.Release()
				log.Errorf("failed to destroy session: %v", err)
			}
			return nil, ErrSessionIDNotFoundInStore
		}
	}

	return sess, nil
}