65 lines
1.4 KiB
Go
65 lines
1.4 KiB
Go
package auth
|
|
|
|
import (
|
|
"encoding/json"
|
|
"errors"
|
|
"github.com/golang-jwt/jwt"
|
|
"net/http"
|
|
"time"
|
|
)
|
|
|
|
type UserInfo struct {
|
|
UserId int64 `json:"user_id"`
|
|
}
|
|
|
|
// 签名key
|
|
var signKey = "FushenFGbhgfhgKgGH556HGlXrsfJKhhjYFGKLO=="
|
|
var expireTime = int64(3600)
|
|
|
|
// 生成token
|
|
func GenJwtToken(userInfo UserInfo) (token string, err error) {
|
|
t := jwt.NewWithClaims(jwt.SigningMethodHS256, jwt.MapClaims{
|
|
"user_id": userInfo.UserId,
|
|
"exp": time.Now().Add(time.Second * time.Duration(expireTime)).Unix(), //过期时间
|
|
"iss": "fusen",
|
|
})
|
|
token, err = t.SignedString([]byte(signKey))
|
|
if err != nil {
|
|
return "", err
|
|
}
|
|
return
|
|
}
|
|
|
|
// 解释token
|
|
func ParseJwtToken(token string) (UserInfo, error) {
|
|
t, err := jwt.ParseWithClaims(token, jwt.MapClaims{}, func(token *jwt.Token) (interface{}, error) {
|
|
return []byte(signKey), nil
|
|
})
|
|
if err != nil {
|
|
return UserInfo{}, err
|
|
}
|
|
d, err := json.Marshal(t.Claims)
|
|
if err != nil {
|
|
return UserInfo{}, err
|
|
}
|
|
var userInfo UserInfo
|
|
if err = json.Unmarshal(d, &userInfo); err != nil {
|
|
return UserInfo{}, err
|
|
}
|
|
return userInfo, nil
|
|
}
|
|
|
|
// 检测授权
|
|
func CheckAuth(r *http.Request) (UserInfo, error) {
|
|
token := r.Header.Get("Authorization")
|
|
if token == "" {
|
|
return UserInfo{}, errors.New("token is required")
|
|
}
|
|
//解析token
|
|
userInfo, err := ParseJwtToken(token)
|
|
if err != nil {
|
|
return UserInfo{}, err
|
|
}
|
|
return userInfo, nil
|
|
}
|