///<inheritdoc/>
protected override async Task RenewAccessTokenAsync()
{
AuthenticationResult result;
try
{
result = await PublicClient.AcquireTokenSilent(ApiTokenAccessArgs.Scopes, ApiTokenAccessArgs.UserAccount).ExecuteAsync();
if (string.IsNullOrEmpty(result.AccessToken))
{
throw new MsalUiRequiredException("404", "Access token was null");
}
}
catch (MsalUiRequiredException)
{
result = await PublicClient.AcquireTokenInteractive(ApiTokenAccessArgs.Scopes)
.WithB2CAuthority(AuthoritySUSI)
.WithAccount(ApiTokenAccessArgs.UserAccount)
.WithParentActivityOrWindow(Context.GetMainWindow())
.ExecuteAsync()
.ConfigureAwait(false);
}
catch
{
throw;
}
AccessToken = AccessToken.Bearer(result.AccessToken, result.ExpiresOn);
IdToken = result.IdToken;
TokenRenewed?.Invoke(result);
}
private async Task <bool> RenewTokensAsync(CancellationToken cancellationToken)
{
if (await _lock.WaitAsync(Timeout, cancellationToken).ConfigureAwait(false))
{
try
{
var response = await _tokenClient.RequestClientCredentialsAsync(_scope, cancellationToken : cancellationToken).ConfigureAwait(false);
if (!response.IsError)
{
_accessToken = response.AccessToken;
#pragma warning disable 4014
Task.Run(() =>
{
foreach (EventHandler <TokenRenewedEventArgs> del in TokenRenewed.GetInvocationList())
{
try
{
del(this, new TokenRenewedEventArgs(response.AccessToken, response.ExpiresIn));
}
catch { }
}
}).ConfigureAwait(false);
#pragma warning restore 4014
return(true);
}
}
finally
{
_lock.Release();
}
}
return(false);
}
/// <summary>
/// Fire the <see cref="TokenRenewed"/> event.
/// </summary>
/// <param name="e"></param>
protected virtual void OnTokenRenewed(TokenRenewedEventArgs e)
{
TokenRenewed?.Invoke(this, e);
}
