static string?GetUri(string accessMethodOid, ref AccessDescriptionAsn desc)
{
if (string.Equals(accessMethodOid, desc.AccessMethod))
{
return(desc.AccessLocation.Uri);
}
return(null);
}
internal static string FindHttpAiaRecord(byte[] authorityInformationAccess, string recordTypeOid)
{
AsnReader reader = new AsnReader(authorityInformationAccess, AsnEncodingRules.DER);
AsnReader sequenceReader = reader.ReadSequence();
reader.ThrowIfNotEmpty();
while (sequenceReader.HasData)
{
AccessDescriptionAsn.Decode(sequenceReader, out AccessDescriptionAsn description);
if (StringComparer.Ordinal.Equals(description.AccessMethod, recordTypeOid))
{
GeneralNameAsn name = description.AccessLocation;
if (name.Uri != null &&
Uri.TryCreate(name.Uri, UriKind.Absolute, out Uri uri) &&
uri.Scheme == "http")
{
return(name.Uri);
}
}
}
return(null);
}
