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53 lines
1.6 KiB
Go

8 months ago
package utils
import (
"github.com/golang-jwt/jwt/v5"
"gold-shop/global"
"time"
)
type MyClaims struct {
Identity int `json:"identity"`
Role string `json:"role"`
jwt.RegisteredClaims
}
func GenerateToken(identity int, role string) (string, error) {
SetClaims := MyClaims{
Identity: identity,
Role: role,
RegisteredClaims: jwt.RegisteredClaims{
ExpiresAt: jwt.NewNumericDate(time.Now().Add(3 * time.Hour)), // 有效时间
IssuedAt: jwt.NewNumericDate(time.Now()), // 签发时间
NotBefore: jwt.NewNumericDate(time.Now()), // 生效时间
Issuer: global.Config.Jwt.Issuer, // 签发人
Subject: "somebody", // 主题
ID: "1", // JWT ID用于标识该JWT
Audience: []string{"somebody_else"}, // 用户
},
}
// 使用指定的加密方式和声明类型创建新令牌
tokenStruct := jwt.NewWithClaims(jwt.SigningMethodHS256, SetClaims)
// 获得完整的、签名的令牌
token, err := tokenStruct.SignedString([]byte(global.Config.Jwt.Key))
return token, err
}
func CheckToken(token string) (*MyClaims, bool) {
//解析、验证并返回token。
tokenObj, err := jwt.ParseWithClaims(token, &MyClaims{}, func(token *jwt.Token) (interface{}, error) {
return []byte(global.Config.Jwt.Key), nil
})
if err != nil {
return nil, false
}
if claims, ok := tokenObj.Claims.(*MyClaims); ok && tokenObj.Valid {
return claims, true
} else {
return nil, false
}
}