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package auth
import (
"time"
"github.com/golang-jwt/jwt/v5"
)
type Authenticator struct {
secretKey []byte
parser *jwt.Parser
}
func NewAuthenticator(secretKey []byte) *Authenticator {
parser := jwt.NewParser(jwt.WithIssuer("scrapbook"), jwt.WithExpirationRequired())
a := &Authenticator{
secretKey: secretKey,
parser: parser,
}
return a
}
func (a *Authenticator) NewJwt() (string, error) {
t := jwt.NewWithClaims(jwt.SigningMethodHS256,
jwt.MapClaims{
"iss": "scrapbook",
"exp": jwt.NewNumericDate(time.Now().Add(time.Hour * 2)),
})
return t.SignedString(a.secretKey)
}
func (a *Authenticator) VerifyJwt(token string) error {
_, err := a.parser.Parse(token, func(t *jwt.Token) (interface{}, error) { return a.secretKey, nil })
return err
}
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