potato/utils/jwt.go

68 lines
1.7 KiB
Go

/*
* @Date: 2021-03-22 17:16:46
* @LastEditors: viletyy
* @LastEditTime: 2021-03-23 09:24:08
* @FilePath: /potato/utils/jwt.go
*/
package utils
import (
"fmt"
"time"
"github.com/dgrijalva/jwt-go"
"github.com/google/uuid"
"github.com/viletyy/potato/global"
)
type CustomClaims struct {
UserId int64
jwt.StandardClaims
}
func GenerateToken(userId int64) (string, error) {
nowTime := time.Now()
expireTime := nowTime.Add(time.Minute * 30)
loginUUID := uuid.New().String()
claims := CustomClaims{
UserId: userId,
StandardClaims: jwt.StandardClaims{
ExpiresAt: expireTime.Unix(),
Issuer: "data_govern",
Id: loginUUID,
},
}
tokenClaims := jwt.NewWithClaims(jwt.SigningMethodHS256, claims)
tokenString, err := tokenClaims.SignedString([]byte(global.GO_CONFIG.App.JwtSecret))
if err != nil {
global.GO_LOG.Error(fmt.Sprintf("General Token Error: %v", err))
}
global.GO_LOG.Info("General Token:" + tokenString)
result, err := global.GO_REDIS.Set("login:"+loginUUID, userId, 1*time.Hour).Result()
if err != nil {
global.GO_LOG.Error(fmt.Sprintf("General Token Set To Redis Error: %v", err))
}
global.GO_LOG.Info("Set Token To Redis:" + result)
return tokenString, err
}
func ParseToken(tokenString string) (*CustomClaims, error) {
tokenClaims, 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(global.GO_CONFIG.App.JwtSecret), nil
})
if tokenClaims != nil {
if claims, ok := tokenClaims.Claims.(*CustomClaims); ok && tokenClaims.Valid {
return claims, nil
}
}
return nil, err
}