/*
* JBoss, Home of Professional Open Source.
* Copyright 2014 Red Hat, Inc., and individual contributors
* as indicated by the @author tags.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package io.undertow.websockets.jsr;
import io.undertow.servlet.api.InstanceFactory;
import io.undertow.servlet.api.InstanceHandle;
import io.undertow.servlet.handlers.ServletRequestContext;
import io.undertow.servlet.util.ImmediateInstanceHandle;
import io.undertow.websockets.WebSocketConnectionCallback;
import io.undertow.websockets.core.WebSocketChannel;
import io.undertow.websockets.jsr.annotated.AnnotatedEndpoint;
import io.undertow.websockets.jsr.handshake.HandshakeUtil;
import io.undertow.websockets.spi.WebSocketHttpExchange;
import org.xnio.IoUtils;
import javax.servlet.http.HttpServletRequest;
import javax.websocket.Endpoint;
import javax.websocket.Extension;
import javax.websocket.server.ServerEndpointConfig;
import java.net.URI;
import java.security.Principal;
import java.util.Collections;
/**
* {@link WebSocketConnectionCallback} implementation which will setuo the {@link UndertowSession} and notify
* the {@link Endpoint} about the new session.
*
* @author <a href="mailto:nmaurer@redhat.com">Norman Maurer</a>
*/
public final class EndpointSessionHandler implements WebSocketConnectionCallback {
private final ServerWebSocketContainer container;
public EndpointSessionHandler(ServerWebSocketContainer container) {
this.container = container;
}
/**
* Returns the {@link ServerWebSocketContainer} which was used for this {@link WebSocketConnectionCallback}.
*/
ServerWebSocketContainer getContainer() {
return container;
}
@Override
public void onConnect(WebSocketHttpExchange exchange, WebSocketChannel channel) {
ConfiguredServerEndpoint config = HandshakeUtil.getConfig(channel);
try {
InstanceFactory<?> endpointFactory = config.getEndpointFactory();
ServerEndpointConfig.Configurator configurator = config.getEndpointConfiguration().getConfigurator();
final InstanceHandle<?> instance;
DefaultContainerConfigurator.setCurrentInstanceFactory(endpointFactory);
final Object instanceFromConfigurator = configurator.getEndpointInstance(config.getEndpointConfiguration().getEndpointClass());
final InstanceHandle<?> factoryInstance = DefaultContainerConfigurator.clearCurrentInstanceFactory();
if (factoryInstance == null) {
instance = new ImmediateInstanceHandle<>(instanceFromConfigurator);
} else if (factoryInstance.getInstance() == instanceFromConfigurator) {
instance = factoryInstance;
} else {
//the default instance has been wrapped
instance = new InstanceHandle<Object>() {
@Override
public Object getInstance() {
return instanceFromConfigurator;
}
@Override
public void release() {
factoryInstance.release();
}
};
}
ServletRequestContext src = exchange.getAttachment(ServletRequestContext.ATTACHMENT_KEY);
Principal principal;
if(src.getServletRequest() instanceof HttpServletRequest) {
principal = ((HttpServletRequest)src.getServletRequest()).getUserPrincipal();
} else {
principal = src.getOriginalRequest().getUserPrincipal();
}
final InstanceHandle<Endpoint> endpointInstance;
if(config.getAnnotatedEndpointFactory() != null) {
final AnnotatedEndpoint annotated = config.getAnnotatedEndpointFactory().createInstance(instance);
endpointInstance = new InstanceHandle<Endpoint>() {
@Override
public Endpoint getInstance() {
return annotated;
}
@Override
public void release() {
instance.release();
}
};
} else {
endpointInstance = (InstanceHandle<Endpoint>) instance;
}
UndertowSession session = new UndertowSession(channel, URI.create(exchange.getRequestURI()), exchange.getAttachment(HandshakeUtil.PATH_PARAMS), exchange.getRequestParameters(), this, principal, endpointInstance, config.getEndpointConfiguration(), exchange.getQueryString(), config.getEncodingFactory().createEncoding(config.getEndpointConfiguration()), config.getOpenSessions(), channel.getSubProtocol(), Collections.<Extension>emptyList());
config.getOpenSessions().add(session);
session.setMaxBinaryMessageBufferSize(getContainer().getDefaultMaxBinaryMessageBufferSize());
session.setMaxTextMessageBufferSize(getContainer().getDefaultMaxTextMessageBufferSize());
session.setMaxIdleTimeout(getContainer().getDefaultMaxSessionIdleTimeout());
session.getAsyncRemote().setSendTimeout(getContainer().getDefaultAsyncSendTimeout());
try {
endpointInstance.getInstance().onOpen(session, config.getEndpointConfiguration());
} catch (Exception e) {
endpointInstance.getInstance().onError(session, e);
IoUtils.safeClose(session);
}
channel.resumeReceives();
} catch (Exception e) {
JsrWebSocketLogger.REQUEST_LOGGER.endpointCreationFailed(e);
IoUtils.safeClose(channel);
}
}
}