71 lines
1.6 KiB
Go
71 lines
1.6 KiB
Go
package auth
|
|
|
|
import (
|
|
"errors"
|
|
"time"
|
|
|
|
"github.com/golang-jwt/jwt/v5"
|
|
)
|
|
|
|
// JWTService JWT服务
|
|
type JWTService struct {
|
|
secretKey string
|
|
expireHours int
|
|
}
|
|
|
|
// NewJWTService 创建新的JWT服务
|
|
func NewJWTService(secretKey string, expireHours int) *JWTService {
|
|
return &JWTService{
|
|
secretKey: secretKey,
|
|
expireHours: expireHours,
|
|
}
|
|
}
|
|
|
|
// Claims JWT声明
|
|
type Claims struct {
|
|
UserID int64 `json:"user_id"`
|
|
Username string `json:"username"`
|
|
Role string `json:"role"`
|
|
jwt.RegisteredClaims
|
|
}
|
|
|
|
// GenerateToken 生成JWT Token (使用UserID和基本信息)
|
|
func (j *JWTService) GenerateToken(userID int64, username, role string) (string, error) {
|
|
claims := Claims{
|
|
UserID: userID,
|
|
Username: username,
|
|
Role: role,
|
|
RegisteredClaims: jwt.RegisteredClaims{
|
|
ExpiresAt: jwt.NewNumericDate(time.Now().Add(time.Duration(j.expireHours) * time.Hour)),
|
|
IssuedAt: jwt.NewNumericDate(time.Now()),
|
|
NotBefore: jwt.NewNumericDate(time.Now()),
|
|
Issuer: "carrotskin",
|
|
},
|
|
}
|
|
|
|
token := jwt.NewWithClaims(jwt.SigningMethodHS256, claims)
|
|
tokenString, err := token.SignedString([]byte(j.secretKey))
|
|
if err != nil {
|
|
return "", err
|
|
}
|
|
|
|
return tokenString, nil
|
|
}
|
|
|
|
// ValidateToken 验证JWT Token
|
|
func (j *JWTService) ValidateToken(tokenString string) (*Claims, error) {
|
|
token, err := jwt.ParseWithClaims(tokenString, &Claims{}, func(token *jwt.Token) (interface{}, error) {
|
|
return []byte(j.secretKey), nil
|
|
})
|
|
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
|
|
if claims, ok := token.Claims.(*Claims); ok && token.Valid {
|
|
return claims, nil
|
|
}
|
|
|
|
return nil, errors.New("无效的token")
|
|
}
|