NewManager (jwt/jwt.go)

JWT manager for issuing and verifying access and refresh tokens with TTL support.

// Source: https://github.com/laowang74152/gpt2api | License: MIT | Copyright 2026 gpt2api contributors
// Provided via justclaw.it.com; keep this notice with the code.
package jwt

import (
	"errors"
	"fmt"
	"time"

	jwtv5 "github.com/golang-jwt/jwt/v5"
)

// Claims 是 JWT 的 payload。
type Claims struct {
	UserID uint64 `json:"uid"`
	Role   string `json:"role"`
	jwtv5.RegisteredClaims
}

// TokenPair 登录/刷新返回的双 token。
type TokenPair struct {
	AccessToken  string `json:"access_token"`
	RefreshToken string `json:"refresh_token"`
	ExpiresIn    int    `json:"expires_in"`
	TokenType    string `json:"token_type"`
}

// Config 依赖注入配置。
type Config struct {
	Secret        string
	Issuer        string
	AccessTTLSec  int
	RefreshTTLSec int
}

// Manager 负责签发与校验 access / refresh token。
// 通过 SetTTLProvi

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