/// <summary>
/// Determines whether or the access is near expiration.
/// </summary>
/// <returns><c>true</c> if near expiration; otherwise <c>false</c>.</returns>
public bool IsNearExpiry()
{
return(DateTime.UtcNow > ExpiresOn.AddMinutes(-1));
}
/// <summary>
/// Update token if token has been expired.
/// </summary>
public void UpdateToken()
{
if (ExpiresOn > DateTime.UtcNow)
{
return;
}
Debug.WriteLine("Need new token");
lock (lockUpdateProcess)
{
Debug.WriteLine("Enter to critical section of getting token");
if (ExpiresOn <= DateTime.UtcNow && !IsProcessing)
{
Debug.WriteLine("Start getting token");
string newToken = null;
Exception exception = null;
try
{
if (_authenticationService != null)
{
IsProcessing = true;
#if DEBUG
//Thread.Sleep(3000);
#endif
//get url for scope authenticate
var dataServicesBaseUri = new Uri(BaseUrl);
// get new token
newToken = _authenticationService.AuthenticateUser(UserName, Password, dataServicesBaseUri);
Debug.WriteLine("Token updated");
if (!String.IsNullOrEmpty(newToken))
{
// Parse token
var swToken =
Foundation.Security.Swt.SimpleWebToken.Parse(newToken);
Token = newToken;
ExpiresOn = swToken.ExpiresOn;
ExpiresOn = ExpiresOn.AddMinutes(-(ExpiresOn - DateTime.UtcNow).TotalMinutes / 2);
CurrentUserId =
swToken.Claims.Where(x => x.Key == ClaimTypes.NameIdentifier)
.Select(x => x.Value)
.FirstOrDefault();
CurrentUserName =
swToken.Claims.Where(x => x.Key == ClaimTypes.Name)
.Select(x => x.Value)
.FirstOrDefault();
var registrationType = swToken.Claims.Where(x => x.Key == SecurityClaims.AccountRegistrationType).Select(x => x.Value).FirstOrDefault();
if (!String.IsNullOrEmpty(registrationType))
{
RegistrationType = (RegisterType)Enum.Parse(typeof(RegisterType), registrationType);
}
var permissions = swToken.Claims.Where(x => x.Key == SecurityClaims.AccountPermission)
.Select(x => x.Value)
.ToArray();
Permissions = permissions;
}
}
}
catch (Exception e)
{
exception = new GetTokenException(e.Message);
}
finally
{
IsProcessing = false;
}
if (exception == null && String.IsNullOrEmpty(newToken))
{
exception = new GetTokenException(Resources.Login_or_password_is_incorrect);
}
if (exception != null)
{
throw exception;
}
}
Debug.WriteLine("Exit from critical section of getting token");
}
}