netbird/relay/auth/hmac/validator.go

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package hmac
import (
"fmt"
"hash"
"time"
log "github.com/sirupsen/logrus"
)
type TimedHMACValidator struct {
*TimedHMAC
}
func NewTimedHMACValidator(secret string, duration time.Duration) *TimedHMACValidator {
ta := NewTimedHMAC(secret, duration)
return &TimedHMACValidator{
ta,
}
}
func (a *TimedHMACValidator) Validate(algo func() hash.Hash, credentials any) error {
b, ok := credentials.([]byte)
if !ok {
return fmt.Errorf("invalid credentials type")
}
c, err := unmarshalToken(b)
if err != nil {
log.Debugf("failed to unmarshal token: %s", err)
return err
}
return a.TimedHMAC.Validate(algo, c)
}