armbian-router/util/certificates.go

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package util
import (
"crypto/x509"
"github.com/gwatts/rootcerts/certparse"
log "github.com/sirupsen/logrus"
"net/http"
)
const (
defaultDownloadURL = "https://github.com/mozilla/gecko-dev/blob/master/security/nss/lib/ckfw/builtins/certdata.txt?raw=true"
)
func LoadCACerts() (*x509.CertPool, error) {
res, err := http.Get(defaultDownloadURL)
if err != nil {
return nil, err
}
defer res.Body.Close()
certs, err := certparse.ReadTrustedCerts(res.Body)
if err != nil {
return nil, err
}
pool := x509.NewCertPool()
var count int
for _, cert := range certs {
if cert.Trust&certparse.ServerTrustedDelegator == 0 {
continue
}
count++
pool.AddCert(cert.Cert)
}
log.WithField("certs", count).Info("Loaded root cas")
return pool, nil
}