nuclei/v2/pkg/executer/dns_utils.go

39 lines
812 B
Go

package executer
import (
"net/url"
"github.com/asaskevich/govalidator"
)
// isURL tests a string to determine if it is a well-structured url or not.
func isURL(toTest string) bool {
_, err := url.ParseRequestURI(toTest)
if err != nil {
return false
}
u, err := url.Parse(toTest)
if err != nil || u.Scheme == "" || u.Host == "" {
return false
}
return true
}
// extractDomain extracts the domain name of a URL
func extractDomain(URL string) string {
u, err := url.Parse(URL)
if err != nil {
return ""
}
hostname := u.Hostname()
return hostname
}
// isDNS tests a string to determine if it is a well-structured dns or not
// even if it's oneliner, we leave it wrapped in a function call for
// future improvements
func isDNS(toTest string) bool {
return govalidator.IsDNSName(toTest)
}