/// <exception cref="AuthenticationException" />
private async Task <Response> Authenticate(byte[] token, IAuthenticator authenticator)
{
var request = new AuthResponseRequest(token);
var response = await Send(request).ConfigureAwait(false);
if (response is AuthSuccessResponse)
{
// It is now authenticated, dispose Authenticator if it implements IDisposable()
// ReSharper disable once SuspiciousTypeConversion.Global
var disposableAuthenticator = authenticator as IDisposable;
if (disposableAuthenticator != null)
{
disposableAuthenticator.Dispose();
}
return(response);
}
if (response is AuthChallengeResponse)
{
token = authenticator.EvaluateChallenge(((AuthChallengeResponse)response).Token);
if (token == null)
{
// If we get a null response, then authentication has completed
// return without sending a further response back to the server.
return(response);
}
return(await Authenticate(token, authenticator).ConfigureAwait(false));
}
throw new ProtocolErrorException("Expected SASL response, obtained " + response.GetType().Name);
}
/// <exception cref="AuthenticationException" />
private Task<Response> Authenticate(byte[] token, IAuthenticator authenticator)
{
var request = new AuthResponseRequest(ProtocolVersion, token);
return Send(request)
.Then(response =>
{
if (response is AuthSuccessResponse)
{
//It is now authenticated
return TaskHelper.ToTask(response);
}
if (response is AuthChallengeResponse)
{
token = authenticator.EvaluateChallenge(((AuthChallengeResponse)response).Token);
if (token == null)
{
// If we get a null response, then authentication has completed
//return without sending a further response back to the server.
return TaskHelper.ToTask(response);
}
return Authenticate(token, authenticator);
}
throw new ProtocolErrorException("Expected SASL response, obtained " + response.GetType().Name);
});
}
