@Override
public void authenticate(String username, String password)
throws NntpClientAuthenticationException {
NntpFuture<GenericResponse> future =
this.sendCommand(Response.ResponseType.AUTHINFO, "USER", username);
GenericResponse resp = Futures.getUnchecked(future);
if (resp.getCode() == 281) {
// Well ... that was easy.
return;
}
if (resp.getCode() == 381) {
future = this.sendCommand(Response.ResponseType.AUTHINFO, "PASS", password);
resp = Futures.getUnchecked(future);
if (resp.getCode() == 281) {
return;
}
if (resp.getCode() == 481) {
throw new NntpClientAuthenticationException(new NntpInvalidLoginException());
}
}
throw new NntpClientAuthenticationException(new NntpClientException("Unknown login error."));
}
@Override
public void connect() throws NntpClientConnectionError {
// We'll be waiting for the connection message.
NntpFuture<GenericResponse> welcomeFuture = new NntpFuture<>(Response.ResponseType.WELCOME);
this.pipeline.add(welcomeFuture);
// Connect to the server now.
ChannelFuture future = this.initializeChannel(new InetSocketAddress(this.host, this.port));
if (!future.isSuccess()) {
throw new NntpClientConnectionError(future.getCause());
}
this.channel = future.getChannel();
if (this.ssl) {
ChannelFuture handshakeFuture =
this.channel.getPipeline().get(SslHandler.class).handshake().awaitUninterruptibly();
if (!handshakeFuture.isSuccess()) {
throw new NntpClientConnectionError(handshakeFuture.getCause());
}
}
GenericResponse response = Futures.getUnchecked(welcomeFuture);
boolean temporarilyUnavailable = false;
switch (response.getCode()) {
case 200:
this.canPost = true;
case 201:
return;
case 400:
temporarilyUnavailable = true;
case 502:
throw new NntpClientConnectionError(
new NntpServerUnavailableException(temporarilyUnavailable));
default:
// FIXME: typed exception here mebbe?
throw new NntpClientConnectionError(
new RuntimeException(
"Unexpected status code "
+ response.getCode()
+ " returned on initial connection."));
}
}