static String getEntryName(X509CRL2 crl)
{
X509PublishedCrlLocationsExtension pubCrl = (X509PublishedCrlLocationsExtension)crl.Extensions[X509CertExtensions.X509PublishedCrlLocations];
return(pubCrl == null
? getEntryNameFromIssuer(crl)
: getEntryNameFromUrl(pubCrl));
}
static String getEntryNameFromUrl(X509PublishedCrlLocationsExtension pubCrl)
{
String[] urls = pubCrl.GetUrLs().Where(x => x.ToUpper().Contains("LDAP://")).ToArray();
if (urls.Length == 0)
{
throw new ArgumentException("Cannot find target location.");
}
String[] tokens = urls[0].Split(new[] { "CN=" }, StringSplitOptions.RemoveEmptyEntries);
return(HttpUtility.UrlDecode(tokens[1].TrimEnd(',')));
}
static String getHostName(String suggestedHostName, X509CRL2 crl)
{
if (String.IsNullOrWhiteSpace(suggestedHostName))
{
X509PublishedCrlLocationsExtension pubCrl = (X509PublishedCrlLocationsExtension)crl.Extensions[X509CertExtensions.X509PublishedCrlLocations];
if (pubCrl == null)
{
throw new ArgumentException("Cannot find target location.");
}
String[] urls = pubCrl.GetUrLs().Where(x => x.ToUpper().Contains("LDAP://")).ToArray();
if (urls.Length == 0)
{
throw new ArgumentException("Cannot find target location.");
}
var tokens = urls[0].ToUpper().Split(new[] { "CN=" }, StringSplitOptions.RemoveEmptyEntries);
suggestedHostName = tokens[2];
}
return(suggestedHostName);
}