rest/token_generator.go

package rest

import (
	"time"

	"git.ali33.ru/fcg-xvii/go-tools/json"
	"github.com/dgrijalva/jwt-go"
)

func NewTokenGenerator(secret string) *TokenGenerator {
	return &TokenGenerator{
		secret: secret,
	}
}

type TokenGenerator struct {
	secret string
}

func (s *TokenGenerator) Generate(m json.Map, expire int64) (string, error) {
	token := jwt.New(jwt.SigningMethodHS256)

	claims := token.Claims.(jwt.MapClaims)
	for key, val := range m {
		claims[key] = val
	}
	if expire > 0 {
		claims["exp"] = time.Now().Add(time.Minute * 30).Unix()
	}

	tokenString, err := token.SignedString(s.secret)
	return tokenString, err
}