private static async Task SignInUserAndGetTokenUsingMSAL()

in DeviceProfileSample/Program.cs [60:96]
22 lines of code
2 McCabe index (conditional complexity)

        private static async Task<AuthenticationResult> SignInUserAndGetTokenUsingMSAL(string[] scopes)
        {
            // Initialize the MSAL library by building a public client application
            application = PublicClientApplicationBuilder.Create(clientId)
                                                    .WithAuthority(authority)
                                                    .WithDefaultRedirectUri()
                                                    .Build();


            AuthenticationResult result;

            try
            {
                var accounts = await application.GetAccountsAsync();
                // Try to acquire an access token from the cache. If device code is required, Exception will be thrown.
                result = await application.AcquireTokenSilent(scopes, accounts.FirstOrDefault()).ExecuteAsync();
            }
            catch (MsalUiRequiredException)
            {
                result = await application.AcquireTokenWithDeviceCode(scopes, deviceCodeResult =>
                {
                    // This will print the message on the console which tells the user where to go sign-in using
                    // a separate browser and the code to enter once they sign in.
                    // The AcquireTokenWithDeviceCode() method will poll the server after firing this
                    // device code callback to look for the successful login of the user via that browser.
                    // This background polling (whose interval and timeout data is also provided as fields in the
                    // deviceCodeCallback class) will occur until:
                    // * The user has successfully logged in via browser and entered the proper code
                    // * The timeout specified by the server for the lifetime of this code (typically ~15 minutes) has been reached
                    // * The developing application calls the Cancel() method on a CancellationToken sent into the method.
                    //   If this occurs, an OperationCanceledException will be thrown (see catch below for more details).
                    Console.WriteLine(deviceCodeResult.Message);
                    return Task.FromResult(0);
                }).ExecuteAsync();
            }
            return result;
        }