RefreshTokenData (service/refresh_token_cache.go)

Defines a Redis‑backed cache for JWT refresh tokens with replay protection and token family management.

// Source: https://github.com/Wei-Shaw/sub2api | License: LGPL-3.0 | Modified files must remain under LGPL-3.0
// Modifications to this file must remain under LGPL-3.0.
// Provided via justclaw.it.com; keep this notice with the code.
package service

import (
	"context"
	"errors"
	"time"
)

// ErrRefreshTokenNotFound is returned when a refresh token is not found in cache.
// This is used to abstract away the underlying cache implementation (e.g., redis.Nil).
var ErrRefreshTokenNotFound = errors.New("refresh token not found")

// RefreshTokenData 存储在Redis中的Refresh Token数据
type RefreshTokenData struct {
	UserID       int64     `json:"user_id"`
	TokenVersion int64     `json:"token_version"`          // 用于检测密码更改后的Token失效
	FamilyID     string    `json:"family_id"`              // Token家族ID，用于防重

... (truncated -- full source via MCP)