projectx/internal/pkg/token/payload.go
2025-03-21 11:05:42 +08:00

44 lines
1.1 KiB
Go

package token
import (
"errors"
"time"
tk "github.com/golang-jwt/jwt/v5"
)
// Different types of error returned by the VerifyToken function
var (
ErrInvalidToken = errors.New("token is invalid")
ErrExpiredToken = errors.New("token has expired")
)
// Payload contains the payload data of the token
type Payload struct {
ID string `json:"id"`
Username string `json:"username"`
tk.RegisteredClaims // v5版本新加的方法
}
// NewPayload creates a new token payload with a specific username and duration
func NewPayload(id string, username string, duration time.Duration) (*Payload, error) {
payload := &Payload{
id,
username,
tk.RegisteredClaims{
ExpiresAt: tk.NewNumericDate(time.Now().Add(duration)), // 过期时间24小时
IssuedAt: tk.NewNumericDate(time.Now()), // 签发时间
NotBefore: tk.NewNumericDate(time.Now()), // 生效时间
},
}
return payload, nil
}
// Valid checks if the token payload is valid or not
func (payload *Payload) Valid() error {
if time.Now().After(payload.ExpiresAt.Time) {
return ErrExpiredToken
}
return nil
}