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jwt.go
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jwt.go
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/*
* Copyright 2020 opensourceai
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package util
import (
"time"
"github.com/dgrijalva/jwt-go"
)
var jwtSecret []byte
type Claims struct {
Id int
Username string `json:"username"`
jwt.StandardClaims
}
// 为用户生成JWT认证信息
func GenerateToken(id int, username string) (string, error) {
nowTime := time.Now()
expireTime := nowTime.Add(3 * time.Hour)
claims := Claims{
id,
username,
jwt.StandardClaims{
ExpiresAt: expireTime.Unix(),
Issuer: "hive",
},
}
tokenClaims := jwt.NewWithClaims(jwt.SigningMethodHS512, claims)
token, err := tokenClaims.SignedString(jwtSecret)
return token, err
}
// 解析token
func ParseToken(token string) (*Claims, error) {
tokenClaims, err := jwt.ParseWithClaims(token, &Claims{}, func(token *jwt.Token) (interface{}, error) {
return jwtSecret, nil
})
if tokenClaims != nil {
if claims, ok := tokenClaims.Claims.(*Claims); ok && tokenClaims.Valid {
return claims, nil
}
}
return nil, err
}