Files
workspace/code/go-project/base-farmework/pkg/utils/jwt/jwt.go
T
2025-08-13 22:00:31 +08:00

71 lines
1.6 KiB
Go

package jwt
import (
commonConfig "base-framework/pkg/config"
"errors"
"fmt"
"time"
"github.com/golang-jwt/jwt"
)
var (
ErrTokenExpired = errors.New("token expired")
ErrTokenInvalid = errors.New("token invalid")
)
// CustomClaims 定义自己的 payload 结构
type CustomClaims struct {
OrgID string `json:"org_id"`
UserID string `json:"user_id"`
jwt.StandardClaims
}
// CreateToken 创建一个 JWT token
func CreateToken(orgID, userID string) (string, error) {
expireAt := time.Now().Add(commonConfig.JWT.Expiry)
fmt.Println("Token 过期时间:", expireAt.Format(time.RFC3339))
claims := CustomClaims{
OrgID: orgID,
UserID: userID,
StandardClaims: jwt.StandardClaims{
ExpiresAt: expireAt.Unix(),
IssuedAt: time.Now().Unix(),
},
}
token := jwt.NewWithClaims(jwt.SigningMethodHS256, claims)
return token.SignedString([]byte(commonConfig.JWT.Secret))
}
// VerifyToken 验证并解析 JWT token
func VerifyToken(tokenString string) (*CustomClaims, error) {
signKey := []byte(commonConfig.JWT.Secret)
token, err := jwt.ParseWithClaims(tokenString, &CustomClaims{}, func(token *jwt.Token) (interface{}, error) {
// 校验签名算法
if _, ok := token.Method.(*jwt.SigningMethodHMAC); !ok {
return nil, ErrTokenInvalid
}
return signKey, nil
})
if err != nil {
// 判断是否过期错误
var ve *jwt.ValidationError
if errors.As(err, &ve) {
if ve.Errors&jwt.ValidationErrorExpired != 0 {
return nil, ErrTokenExpired
}
}
return nil, ErrTokenInvalid
}
if claims, ok := token.Claims.(*CustomClaims); ok && token.Valid {
return claims, nil
}
return nil, ErrTokenInvalid
}