public static ISet <string> GetRoles(this WindowsIdentity windowsIdentity, WindowsRolesOptions options = null)
{
if (windowsIdentity == null)
{
throw new ArgumentNullException(nameof(windowsIdentity));
}
return(windowsIdentity.Groups.AsRoles(options));
}
public static ISet <string> AsRoles(this IdentityReferenceCollection identityReferences, WindowsRolesOptions options = null)
{
if (identityReferences == null)
{
throw new ArgumentNullException(nameof(identityReferences));
}
options ??= new WindowsRolesOptions();
// ReSharper disable AssignNullToNotNullAttribute
var securityIdentifiers = identityReferences.Cast <SecurityIdentifier>();
// ReSharper restore AssignNullToNotNullAttribute
if (!options.BuiltInRolesEnabled)
{
securityIdentifiers = securityIdentifiers.Where(securityIdentifier => securityIdentifier.AccountDomainSid != null);
}
identityReferences = new IdentityReferenceCollection();
foreach (var securityIdentifier in securityIdentifiers)
{
identityReferences.Add(securityIdentifier);
}
// ReSharper disable AssignNullToNotNullAttribute
var roles = identityReferences.Translate(typeof(NTAccount)).Select(ntAccount => ntAccount.Value);
// ReSharper restore AssignNullToNotNullAttribute
if (!options.MachineRolesEnabled)
{
roles = roles.Where(role => !role.StartsWith($"{Environment.MachineName}\\", StringComparison.OrdinalIgnoreCase));
}
return(new SortedSet <string>(roles, StringComparer.OrdinalIgnoreCase));
}
