public async Task <bool> LoginAsync(string userName, string password) =>
(await OAuthClient.GetAccessToken(userName, password))
.OnFailure(result =>
{
GetAccessTokenFailed?.Invoke(result.Error);
_authParameters = AuthParameters.Empty;
})
.OnSuccess(result => GetAccessTokenSucceed?.Invoke(result.Value.AccessToken.Value))
.OnSuccess(result => _authParameters = AuthParameters.Create(
accessToken: result.Value.AccessToken.Value,
accessTokenExpiration: result.Value.AccessToken.ExpireInSeconds,
refreshToken: result.Value.RefreshToken.Value))
.OnSuccess(() =>
{
_refreshCancellationTokenSource = new CancellationTokenSource();
BeginTokenRefreshLoop(_refreshCancellationTokenSource.Token);
}).IsSuccess;
private void BeginTokenRefreshLoop(CancellationToken ct)
{
_loopReference = Task.Run(async() =>
{
TokenRefreshLoopStatusChanged?.Invoke(RefreshLoopStatus.Started, LoopTimeout);
try
{
while (true)
{
await Task.Delay(LoopTimeout, ct);
(await RefreshAccessToken(_authParameters.RefreshToken))
.OnSuccess(() => TokenRefreshLoopStatusChanged?.Invoke(RefreshLoopStatus.Running, LoopTimeout))
.OnSuccess(result =>
{
_authParameters = result.Value;
GetAccessTokenSucceed?.Invoke($"Access Token Refreshed: {result.Value.AccessToken}");
})
.OnFailure(result =>
{
GetAccessTokenFailed?.Invoke(result.Error);
_refreshCancellationTokenSource.Cancel();
});
}
}
catch (OperationCanceledException)
{
//no-op: refresh loop manually stopped, all ok.
}
catch (Exception exception)
{
GetAccessTokenFailed?.Invoke(exception.Message);
_refreshCancellationTokenSource.Cancel();
}
finally
{
TokenRefreshLoopStatusChanged?.Invoke(RefreshLoopStatus.Stopped, LoopTimeout);
}
}, ct);
}
