cc_test/jwt.go

package main

import (
	"time"

	"github.com/dgrijalva/jwt-go"
)

const JWT_SECRET = "abcd1234asdfqwer!@#!@#53.abcd1234asdfqwer!@#!@#53."

// type customClaims struct {
// 	Uid string `json:"uid"`
// 	jwt.StandardClaims
// }
func createToken(uid int) (string, error) {
	at := jwt.NewWithClaims(jwt.SigningMethodHS256, jwt.MapClaims{
		"uid": uid,
		"exp": time.Now().Add(time.Hour * 24).Unix(),
	})
	return at.SignedString([]byte(JWT_SECRET))
}

func parseToken(token string) (int, error) {
	claim, err := jwt.Parse(token, func(token *jwt.Token) (interface{}, error) {
		return []byte(JWT_SECRET), nil
	})
	if err != nil {
		return 0, err
	}
	return int(claim.Claims.(jwt.MapClaims)["uid"].(float64)), nil
}