/*
* @Description:
* @version: 1.0.0
* @Author: 吴文周
* @Date: 2021-08-28 14:47:00
* @LastEditors: 吴文周
* @LastEditTime: 2021-10-07 17:40:57
*/
package jwt
import (
"fmt"
"time"
"github.com/dgrijalva/jwt-go"
"github.com/fodelf/cssbattle/models/InterfaceEntity"
)
//自定义Claims
type CustomClaims struct {
UserName string
UserId string
UserIcon string
jwt.StandardClaims
}
const (
SECRETKEY = "woshidashuaige" //私钥
)
// 生成token
func GenerateToken(user InterfaceEntity.UserInfo) (string, error) {
maxAge := 60 * 60 * 24 * 7
fmt.Println("userid", user.Id)
customClaims := &CustomClaims{
UserName: user.UserName, //用户姓名
UserIcon: user.UserIcon,
UserId: user.Id,
StandardClaims: jwt.StandardClaims{
ExpiresAt: time.Now().Add(time.Duration(maxAge) * time.Second).Unix(), // 过期时间,必须设置
Issuer: user.UserName, // 非必须,也可以填充用户名,
},
}
//采用HMAC SHA256加密算法
token := jwt.NewWithClaims(jwt.SigningMethodHS256, customClaims)
tokenString, err := token.SignedString([]byte(SECRETKEY))
if err != nil {
return "", err
} else {
return tokenString, err
}
}
//解析token
func ParseToken(tokenString string) (*CustomClaims, error) {
token, err := jwt.ParseWithClaims(tokenString, &CustomClaims{}, func(token *jwt.Token) (interface{}, error) {
if _, ok := token.Method.(*jwt.SigningMethodHMAC); !ok {
return nil, fmt.Errorf("Unexpected signing method: %v", token.Header["alg"])
}
return []byte(SECRETKEY), nil
})
if claims, ok := token.Claims.(*CustomClaims); ok && token.Valid {
return claims, nil
} else {
return nil, err
}
}