async Task <RegisterOperationResult?> TryOneRequest(IKey key, KeyRegisterRequest request,
CancellationToken cancellationToken)
{
try
{
var result = await key.RegisterAsync(request, cancellationToken);
log.Info(result.Status.ToString());
switch (result.Status)
{
case KeyResponseStatus.Success:
return(RegisterOperationResult.Success(request, result.Data));
}
}
catch (KeyGoneException)
{
// No sense in continuing with this signer, the key isn't physically present anymore
log.DebugFormat("Key '{0}' is gone", keyId);
throw;
}
catch (TaskCanceledException)
{
// Let cancellation bubble up
throw;
}
catch (KeyBusyException)
{
// Maybe it won't be busy later
}
catch (Exception exception)
{
log.Error("Authenticate request failed", exception);
}
return(null);
}
async Task <RegisterOperationResult?> TryRegisteringOnceAsync(IKey key, CancellationToken cancellationToken)
{
int challengesTried = 0;
foreach (var request in requests)
{
challengesTried += 1;
var requestSignResult = await TryOneRequest(key, request, cancellationToken);
if (requestSignResult.HasValue)
{
return(requestSignResult.Value);
}
}
if (challengesTried == 0)
{
return(RegisterOperationResult.Failure(KeyResponseStatus.Failure));
}
return(null);
}
