private async Task <AuthenticationResult> GetNewAccessTokenAsync(AuthenticationProviderOption msalAuthProviderOption)
{
AuthenticationResult authenticationResult = null;
int retryCount = 0;
do
{
try
{
if (!string.IsNullOrEmpty(msalAuthProviderOption.UserAccount?.Email))
{
authenticationResult = await ClientApplication.AcquireTokenByIntegratedWindowsAuth(msalAuthProviderOption.Scopes)
.WithUsername(msalAuthProviderOption.UserAccount.Email)
.ExecuteAsync();
}
else
{
authenticationResult = await ClientApplication.AcquireTokenByIntegratedWindowsAuth(Scopes)
.ExecuteAsync();
}
break;
}
catch (MsalServiceException serviceException)
{
if (serviceException.ErrorCode == ErrorConstants.Codes.TemporarilyUnavailable)
{
TimeSpan delay = this.GetRetryAfter(serviceException);
retryCount++;
// pause execution
await Task.Delay(delay);
}
else
{
throw new AuthenticationException(
new Error
{
Code = ErrorConstants.Codes.GeneralException,
Message = ErrorConstants.Message.UnexpectedMsalException
},
serviceException);
}
}
catch (Exception exception)
{
throw new AuthenticationException(
new Error
{
Code = ErrorConstants.Codes.GeneralException,
Message = ErrorConstants.Message.UnexpectedException
},
exception);
}
} while (retryCount < msalAuthProviderOption.MaxRetry);
return(authenticationResult);
}
