private ISaslStep Transition(
SaslConversation conversation,
ISaslStep currentStep,
BsonDocument result,
out BsonDocument command)
{
// we might be done here if the client is not expecting a reply from the server
if (result.GetValue("done", false).ToBoolean() && currentStep.IsComplete)
{
command = null;
return(null);
}
currentStep = currentStep.Transition(conversation, result["payload"].AsByteArray);
// we might be done here if the client had some final verification it needed to do
if (result.GetValue("done", false).ToBoolean() && currentStep.IsComplete)
{
command = null;
return(null);
}
command = CreateContinueCommand(currentStep, result);
return(currentStep);
}
private protected override BsonDocument CreateStartCommand(ISaslStep currentStep)
{
var startCommand = base.CreateStartCommand(currentStep);
startCommand.Add("options", new BsonDocument("skipEmptyExchange", true));
return(startCommand);
}
private BsonDocument CreateContinueCommand(ISaslStep currentStep, BsonDocument result)
{
return(new BsonDocument
{
{ "saslContinue", 1 },
{ "conversationId", result["conversationId"].AsInt32 },
{ "payload", currentStep.BytesToSendToServer }
});
}
private BsonDocument CreateStartCommand(ISaslStep currentStep)
{
return(new BsonDocument
{
{ "saslStart", 1 },
{ "mechanism", _mechanism.Name },
{ "payload", currentStep.BytesToSendToServer }
});
}
private protected virtual BsonDocument CreateStartCommand(ISaslStep currentStep)
{
var startCommand = new BsonDocument
{
{ "saslStart", 1 },
{ "mechanism", _mechanism.Name },
{ "payload", currentStep.BytesToSendToServer }
};
return(startCommand);
}
public AuthenticationState GenericTest(ISaslStep clientStep, ISaslStep serverStep)
{
if (clientStep.BytesToSend != null)
serverStep = serverStep.Next(clientStep.BytesToSend);
while (clientStep.State == AuthenticationState.Pending && serverStep.State == AuthenticationState.Pending)
{
clientStep = clientStep.Next(serverStep.BytesToSend);
serverStep = serverStep.Next(clientStep.BytesToSend);
}
return serverStep.State;
}
public AuthenticationState GenericTest(ISaslStep clientStep, ISaslStep serverStep)
{
if (clientStep.BytesToSend != null)
{
serverStep = serverStep.Next(clientStep.BytesToSend);
}
while (clientStep.State == AuthenticationState.Pending && serverStep.State == AuthenticationState.Pending)
{
clientStep = clientStep.Next(serverStep.BytesToSend);
serverStep = serverStep.Next(clientStep.BytesToSend);
}
return(serverStep.State);
}
private BsonDocument CreateStartCommand(ISaslStep currentStep)
{
var startCommand = new BsonDocument
{
{ "saslStart", 1 },
{ "mechanism", _mechanism.Name },
{ "payload", currentStep.BytesToSendToServer }
};
if (_mechanism.Name.StartsWith("SCRAM", StringComparison.OrdinalIgnoreCase))
{
startCommand.Add("options", new BsonDocument("skipEmptyExchange", true));
}
return(startCommand);
}
protected CramMd5(ISaslStep initialStep)
{
InitialStep = initialStep;
}
protected ScramSha1(ISaslStep initialStep)
{
InitialStep = initialStep;
}
private BsonDocument CreateStartCommand(ISaslStep currentStep)
{
return new BsonDocument
{
{ "saslStart", 1 },
{ "mechanism", _mechanism.Name },
{ "payload", currentStep.BytesToSendToServer }
};
}
private BsonDocument CreateContinueCommand(ISaslStep currentStep, BsonDocument result)
{
return new BsonDocument
{
{ "saslContinue", 1 },
{ "conversationId", result["conversationId"].AsInt32 },
{ "payload", currentStep.BytesToSendToServer }
};
}
protected Plain(ISaslStep initialStep)
{
InitialStep = initialStep;
}
protected CramMd5(ISaslStep initialStep)
{
InitialStep = initialStep;
}
private ISaslStep Transition(SaslConversation conversation, ISaslStep currentStep, BsonDocument result)
{
// we might be done here if the client is not expecting a reply from the server
if (result.GetValue("done", false).ToBoolean() && currentStep.IsComplete)
{
return null;
}
currentStep = currentStep.Transition(conversation, result["payload"].AsByteArray);
// we might be done here if the client had some final verification it needed to do
if (result.GetValue("done", false).ToBoolean() && currentStep.IsComplete)
{
return null;
}
return currentStep;
}
protected Login(ISaslStep initialStep)
{
InitialStep = initialStep;
}
protected ScramSha1(ISaslStep initialStep)
{
InitialStep = initialStep;
}
protected Plain(ISaslStep initialStep)
{
InitialStep = initialStep;
}
protected Login(ISaslStep initialStep)
{
InitialStep = initialStep;
}
