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/*
* JBoss, Home of Professional Open Source.
* Copyright 2015, Red Hat Middleware LLC, and individual contributors
* as indicated by the @author tags. See the copyright.txt file in the
* distribution for a full listing of individual contributors.
*
* This is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as
* published by the Free Software Foundation; either version 2.1 of
* the License, or (at your option) any later version.
*
* This software is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this software; if not, write to the Free
* Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
* 02110-1301 USA, or see the FSF site: http://www.fsf.org.
*/
package org.jboss.wsf.stack.cxf;
import java.io.IOException;
import java.io.Writer;
import java.net.MalformedURLException;
import java.net.URL;
import java.security.AccessController;
import java.util.Collection;
import java.util.regex.Pattern;
import javax.servlet.ServletConfig;
import javax.servlet.ServletContext;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpServletResponseWrapper;
import org.apache.cxf.Bus;
import org.apache.cxf.BusException;
import org.apache.cxf.frontend.WSDLGetUtils;
import org.apache.cxf.service.model.EndpointInfo;
import org.apache.cxf.transport.DestinationFactory;
import org.apache.cxf.transport.DestinationFactoryManager;
import org.apache.cxf.transport.http.AbstractHTTPDestination;
import org.apache.cxf.transport.http.DestinationRegistry;
import org.apache.cxf.transport.http.HTTPTransportFactory;
import org.jboss.ws.common.management.AbstractServerConfig;
import org.jboss.wsf.spi.deployment.Deployment;
import org.jboss.wsf.spi.deployment.Endpoint;
import org.jboss.wsf.spi.invocation.RequestHandler;
import org.jboss.wsf.spi.management.EndpointMetrics;
import org.jboss.wsf.spi.management.ServerConfig;
import org.jboss.wsf.spi.metadata.config.SOAPAddressRewriteMetadata;
import org.jboss.wsf.stack.cxf.addressRewrite.SoapAddressRewriteHelper;
import org.jboss.wsf.stack.cxf.configuration.BusHolder;
import org.jboss.wsf.stack.cxf.i18n.Messages;
import org.jboss.logging.Logger;
/**
* A request handler
*
* @author [email protected]
* @author [email protected]
* @since 21-May-2007
*/
public class RequestHandlerImpl implements RequestHandler
{
private static final RequestHandlerImpl me = new RequestHandlerImpl();
private static final Pattern pathPattern = Pattern.compile("/{2,}");
RequestHandlerImpl()
{
//NOOP
}
static RequestHandlerImpl getInstance()
{
return me;
}
public void handleHttpRequest(Endpoint ep, HttpServletRequest req, HttpServletResponse res, ServletContext context) throws ServletException, IOException
{
final boolean isGet = "GET".equals(req.getMethod());
final boolean isGetWithQueryString = isGet && hasQueryString(req);
if (isGet && !isGetWithQueryString)
{
//reject HTTP GET without query string (only support messages sent w/ POST)
res.setStatus(405);
res.setContentType("text/plain");
Writer out = res.getWriter();
out.write("HTTP GET not supported");
out.close();
return;
}
final boolean statisticsEnabled = getServerConfig().isStatisticsEnabled();
final Long beginTime = statisticsEnabled == true ? initRequestMetrics(ep) : 0;
final Deployment dep = ep.getService().getDeployment();
final AbstractHTTPDestination dest = findDestination(req, dep.getAttachment(BusHolder.class).getBus());
final HttpServletResponseWrapper response = new HttpServletResponseWrapper(res);
try
{
ServletConfig cfg = (ServletConfig)context.getAttribute(ServletConfig.class.getName());
if (isGetWithQueryString) {
final EndpointInfo endpointInfo = dest.getEndpointInfo();
final boolean autoRewrite = SoapAddressRewriteHelper.isAutoRewriteOn(dep.getAttachment(SOAPAddressRewriteMetadata.class));
endpointInfo.setProperty(WSDLGetUtils.AUTO_REWRITE_ADDRESS, autoRewrite);
endpointInfo.setProperty(WSDLGetUtils.AUTO_REWRITE_ADDRESS_ALL, autoRewrite);
}
dest.invoke(cfg, context, req, response);
}
catch (IOException e)
{
throw new ServletException(e);
}
if (statisticsEnabled && response.getStatus() < 500)
{
processResponseMetrics(ep, beginTime);
}
if (statisticsEnabled && response.getStatus() >= 500)
{
processFaultMetrics(ep, beginTime);
}
}
private boolean hasQueryString(HttpServletRequest req)
{
final String queryString = req.getQueryString();
return ((null != queryString) && (queryString.length() > 0));
}
/**
* Finds destination based on request URI
* @param requestURI to be recognized
* @return destination associated with the request URI
* @throws ServletException when destination wasn't found
*/
private AbstractHTTPDestination findDestination(HttpServletRequest req, Bus bus) throws ServletException
{
// Find destination based on request URI
String requestURI = req.getRequestURI();
DestinationRegistry destRegistry = getDestinationRegistryFromBus(bus);
if (destRegistry == null)
{
throw Messages.MESSAGES.cannotObtainRegistry(DestinationRegistry.class.getName());
}
requestURI = pathPattern.matcher(requestURI).replaceAll("/");
//first try looking up the destination in the registry map
final AbstractHTTPDestination dest = destRegistry.getDestinationForPath(requestURI, true);
if (dest != null) {
return dest;
}
//if there's no direct match, iterate on the destinations to see if there's valid "catch-all" destination
//(servlet-based endpoints, with "/*" url-pattern in web.xml)
Collection destinations = destRegistry.getDestinations();
AbstractHTTPDestination returnValue = null;
for (AbstractHTTPDestination destination : destinations)
{
String path = destination.getEndpointInfo().getAddress();
try
{
path = new URL(path).getPath();
}
catch (MalformedURLException ex)
{
// ignore
Logger.getLogger(RequestHandlerImpl.class).trace(ex);
}
if (path != null && requestURI.startsWith(path)) {
returnValue = destination;
}
}
if (returnValue == null)
throw Messages.MESSAGES.cannotObtainDestinationFor(requestURI);
return returnValue;
}
private static DestinationRegistry getDestinationRegistryFromBus(Bus bus) throws ServletException {
DestinationFactoryManager dfm = bus.getExtension(DestinationFactoryManager.class);
try {
DestinationFactory df = dfm
.getDestinationFactory("http://cxf.apache.org/transports/http/configuration");
if (df instanceof HTTPTransportFactory) {
HTTPTransportFactory transportFactory = (HTTPTransportFactory)df;
return transportFactory.getRegistry();
}
} catch (BusException e) {
throw Messages.MESSAGES.cannotObtainDestinationFactoryForHttpTransport(e);
}
return null;
}
private static ServerConfig getServerConfig()
{
if (System.getSecurityManager() == null)
{
return AbstractServerConfig.getServerIntegrationServerConfig();
}
return AccessController.doPrivileged(AbstractServerConfig.GET_SERVER_INTEGRATION_SERVER_CONFIG);
}
private long initRequestMetrics(Endpoint endpoint)
{
long beginTime = 0;
EndpointMetrics metrics = endpoint.getEndpointMetrics();
if (metrics != null)
beginTime = metrics.processRequestMessage();
return beginTime;
}
private void processResponseMetrics(Endpoint endpoint, long beginTime)
{
EndpointMetrics metrics = endpoint.getEndpointMetrics();
if (metrics != null)
metrics.processResponseMessage(beginTime);
}
private void processFaultMetrics(Endpoint endpoint, long beginTime)
{
EndpointMetrics metrics = endpoint.getEndpointMetrics();
if (metrics != null)
metrics.processFaultMessage(beginTime);
}
}
