oidckit

type StateCache interface {
	Put(ctx context.Context, state string, data StateData) error
	Get(ctx context.Context, state string) (StateData, bool, error)
	Del(ctx context.Context, state string) error
}

type StateData struct {
	Provider            string
	Verifier            string
	Nonce               string
	RedirectURI         string
	LinkUserID          string
	LinkSessionID       string
	LinkAuthenticatedAt time.Time
	ReturnTo            string
	AccountInviteToken  string
	// StepUp* fields identify a step-up authentication flow for an existing
	// session. Login/link flows leave these empty.
	StepUpUserID    string
	StepUpSessionID string
	StepUpReturnTo  string
	StepUpStartedAt time.Time
	UI              string // "popup" to trigger popup HTML callback; else redirect
	PopupNonce      string // echoed in popup postMessage for opener validation
}