/// <summary>
/// This property verifies whether the current machine was prepared for consuming and producing RM protected content.
/// If property returns true it could be used as an indication that Init function call will not result in a network transaction.
/// </summary>
public static bool IsUserActivated(ContentUser user)
{
SecurityHelper.DemandRightsManagementPermission();
if (user == null)
{
throw new ArgumentNullException("user");
}
// we only let specifically identified users to be used here
if ((user.AuthenticationType != AuthenticationType.Windows) &&
(user.AuthenticationType != AuthenticationType.Passport))
{
throw new ArgumentOutOfRangeException("user", SR.Get(SRID.OnlyPassportOrWindowsAuthenticatedUsersAreAllowed));
}
using (ClientSession userClientSession = new ClientSession(user))
{
// if machine activation is not present we can return false right away
return (userClientSession.IsMachineActivated() && userClientSession.IsUserActivated());
}
}
/// <summary>
/// This function returns a read only collection of the activated users.
/// </summary>
static public ReadOnlyCollection<ContentUser> GetActivatedUsers()
{
SecurityHelper.DemandRightsManagementPermission();
//build user with the default authentication type and a default name
// neither name not authentication type is important in this case
//ContentUser tempUser = new ContentUser(_defaultUserName, AuthenticationType.Windows);
// Generic client session to enumerate user certificates
using(ClientSession genericClientSession =
ClientSession.DefaultUserClientSession(AuthenticationType.Windows))
{
List<ContentUser> userList = new List<ContentUser>();
// if machine activation is not present we can return empty list right away
if (genericClientSession.IsMachineActivated())
{
int index =0;
while(true)
{
// we get a string which can be parsed to get the ID and type
string userCertificate = genericClientSession.EnumerateLicense(EnumerateLicenseFlags.GroupIdentity, index);
if (userCertificate == null)
break;
// we need to parse the information out of the string
ContentUser user = ClientSession.ExtractUserFromCertificateChain(userCertificate);
// User specific client session to check it's status
using(ClientSession userClientSession = new ClientSession(user))
{
if (userClientSession.IsUserActivated())
{
userList.Add(user);
}
}
index ++;
}
}
return new ReadOnlyCollection<ContentUser>(userList);
}
}
