// Static Methods
/// <summary>
/// Creates a new <see cref="ISecurityProvider"/> based on the settings in the config file.
/// </summary>
/// <param name="username">Username of the user for whom the <see cref="ISecurityProvider"/> is to be created.</param>
/// <returns>An object that implements <see cref="ISecurityProvider"/>.</returns>
public static ISecurityProvider CreateProvider(string username)
{
// Initialize the username
if (string.IsNullOrEmpty(username))
{
username = Thread.CurrentPrincipal.Identity.Name;
}
// If an application is being launched from an installer it will have the NT AUTHORITY\System Identity which
// will not have available user information - so we pickup username from Environment instead
if (username.StartsWith("NT AUTHORITY\\", StringComparison.OrdinalIgnoreCase))
{
username = Environment.UserDomainName + "\\" + Environment.UserName;
}
// Instantiate the provider
// ReSharper disable once AssignNullToNotNullAttribute
ISecurityProvider provider = ProviderFactory(username);
// Initialize the provider
provider.LoadSettings();
if (provider.CanRefreshData)
{
provider.RefreshData();
}
// Return initialized provider
return(provider);
}
/// <summary>
/// Refreshes the provider managed by this <see cref="CacheContext"/>.
/// </summary>
public bool Refresh()
{
try
{
ISecurityProvider provider = _Provider;
if ((object)provider == null)
{
return(false);
}
if (provider.CanRefreshData)
{
provider.RefreshData();
}
provider.Authenticate();
LastRefreshTime = DateTime.UtcNow;
return(true);
}
catch (ObjectDisposedException)
{
m_disposed = true;
return(false);
}
}
/// <summary>
/// Refreshes the provider managed by this <see cref="CacheContext"/>.
/// </summary>
public bool Refresh()
{
ISecurityProvider provider = Provider;
if ((object)provider == null)
{
return(false);
}
provider.RefreshData();
provider.Authenticate();
m_lastRefreshTime = DateTime.UtcNow;
return(true);
}