// tries to authenticate
// returns a result if successful
// returns null if failed due to credentials (may want to retry)
// throws if anything else went wrong
private async ValueTask <AuthenticationResult> TryAuthenticateAsync(MemberConnection client, string clusterName, Guid clusterClientId, string clusterClientName, ISet <string> labels, ICredentialsFactory credentialsFactory, ISerializationService serializationService, CancellationToken cancellationToken)
{
const string clientType = "CSP"; // CSharp
var serializationVersion = serializationService.GetVersion();
var clientVersion = ClientVersion;
var credentials = credentialsFactory.NewCredentials();
ClientMessage requestMessage;
switch (credentials)
{
case IPasswordCredentials passwordCredentials:
requestMessage = ClientAuthenticationCodec.EncodeRequest(clusterName, passwordCredentials.Name, passwordCredentials.Password, clusterClientId, clientType, serializationVersion, clientVersion, clusterClientName, labels);
break;
case ITokenCredentials tokenCredentials:
requestMessage = ClientAuthenticationCustomCodec.EncodeRequest(clusterName, tokenCredentials.GetToken(), clusterClientId, clientType, serializationVersion, clientVersion, clusterClientName, labels);
break;
default:
var bytes = serializationService.ToData(credentials).ToByteArray();
requestMessage = ClientAuthenticationCustomCodec.EncodeRequest(clusterName, bytes, clusterClientId, clientType, serializationVersion, clientVersion, clusterClientName, labels);
break;
}
cancellationToken.ThrowIfCancellationRequested();
HConsole.WriteLine(this, "Send auth request");
var responseMessage = await client.SendAsync(requestMessage, cancellationToken).CAF();
HConsole.WriteLine(this, "Rcvd auth response");
var response = ClientAuthenticationCodec.DecodeResponse(responseMessage);
return((AuthenticationStatus)response.Status switch
{
AuthenticationStatus.Authenticated
=> new AuthenticationResult(response.ClusterId, response.MemberUuid, response.Address, response.ServerHazelcastVersion, response.FailoverSupported, response.PartitionCount, response.SerializationVersion),
AuthenticationStatus.CredentialsFailed
=> null, // could want to retry
AuthenticationStatus.NotAllowedInCluster
=> throw new AuthenticationException("Client is not allowed in cluster."),
AuthenticationStatus.SerializationVersionMismatch
=> throw new AuthenticationException("Serialization mismatch."),
_ => throw new AuthenticationException($"Received unsupported status code {response.Status}.")
});
