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org.apache.cxf.transport.http_osgi.OsgiServletController Maven / Gradle / Ivy
/**
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you 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 org.apache.cxf.transport.http_osgi;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.security.Principal;
import java.util.ArrayList;
import java.util.Collection;
import java.util.List;
import java.util.Set;
import java.util.logging.Level;
import java.util.logging.Logger;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import org.apache.cxf.Bus;
import org.apache.cxf.common.logging.LogUtils;
import org.apache.cxf.common.util.StringUtils;
import org.apache.cxf.helpers.HttpHeaderHelper;
import org.apache.cxf.message.ExchangeImpl;
import org.apache.cxf.message.Message;
import org.apache.cxf.message.MessageImpl;
import org.apache.cxf.resource.ResourceManager;
import org.apache.cxf.security.SecurityContext;
import org.apache.cxf.service.model.EndpointInfo;
import org.apache.cxf.service.model.OperationInfo;
import org.apache.cxf.transport.http.AbstractHTTPDestination;
import org.apache.cxf.transport.http.HTTPSession;
import org.apache.cxf.transport.https.SSLUtils;
import org.apache.cxf.transport.servlet.AbstractServletController;
import org.apache.cxf.transports.http.QueryHandler;
import org.apache.cxf.transports.http.QueryHandlerRegistry;
import org.apache.cxf.wsdl.http.AddressType;
public class OsgiServletController extends AbstractServletController {
private static final Logger LOG = LogUtils.getL7dLogger(OsgiServlet.class);
private OsgiServlet servlet;
public OsgiServletController(OsgiServlet servlet) {
super(servlet.getServletConfig());
this.servlet = servlet;
}
private synchronized void updateDests(HttpServletRequest request) {
if (disableAddressUpdates) {
return;
}
String base = forcedBaseAddress == null ? getBaseURL(request) : forcedBaseAddress;
Set paths = servlet.getTransport().getDestinationsPaths();
for (String path : paths) {
OsgiDestination d2 = servlet.getTransport().getDestinationForPath(path);
String ad = d2.getEndpointInfo().getAddress();
if (ad.equals(path)) {
d2.getEndpointInfo().setAddress(base + path);
if (d2.getEndpointInfo().getExtensor(AddressType.class) != null) {
d2.getEndpointInfo().getExtensor(AddressType.class).setLocation(base + path);
}
}
}
}
public void invoke(HttpServletRequest request, HttpServletResponse res) throws ServletException {
try {
EndpointInfo ei = new EndpointInfo();
String address = request.getPathInfo() == null ? "" : request.getPathInfo();
ei.setAddress(address);
OsgiDestination d =
(OsgiDestination)servlet.getTransport().getDestinationForPath(ei.getAddress());
if (d == null) {
if (!isHideServiceList && (request.getRequestURI().endsWith(serviceListRelativePath)
|| request.getRequestURI().endsWith(serviceListRelativePath + "/"))
|| StringUtils.isEmpty(request.getPathInfo())
|| "/".equals(request.getPathInfo())) {
updateDests(request);
generateServiceList(request, res);
} else {
d = checkRestfulRequest(request);
if (d == null || d.getMessageObserver() == null) {
LOG.warning("Can't find the the request for "
+ request.getRequestURL() + "'s Observer ");
generateNotFound(request, res);
} else { // the request should be a restful service request
updateDests(request);
invokeDestination(request, res, d);
}
}
} else {
ei = d.getEndpointInfo();
Bus bus = d.getBus();
ClassLoader orig = Thread.currentThread().getContextClassLoader();
try {
ResourceManager manager = bus.getExtension(ResourceManager.class);
if (manager != null) {
ClassLoader loader = manager.resolveResource("", ClassLoader.class);
if (loader != null) {
//need to set the context classloader to the loader of the bundle
Thread.currentThread().setContextClassLoader(loader);
}
}
if (null != request.getQueryString()
&& request.getQueryString().length() > 0
&& bus.getExtension(QueryHandlerRegistry.class) != null) {
String ctxUri = request.getPathInfo();
String baseUri = request.getRequestURL().toString()
+ "?" + request.getQueryString();
// update the EndPoint Address with request url
if ("GET".equals(request.getMethod())) {
updateDests(request);
}
for (QueryHandler qh : bus.getExtension(QueryHandlerRegistry.class).getHandlers()) {
if (qh.isRecognizedQuery(baseUri, ctxUri, ei)) {
res.setContentType(qh.getResponseContentType(baseUri, ctxUri));
OutputStream out = res.getOutputStream();
try {
qh.writeResponse(baseUri, ctxUri, ei, out);
out.flush();
return;
} catch (Exception e) {
LOG.warning(qh.getClass().getName()
+ " Exception caught writing response: "
+ e.getMessage());
throw new ServletException(e);
}
}
}
} else if ("/".equals(address) || address.length() == 0) {
updateDests(request);
}
invokeDestination(request, res, d);
} finally {
Thread.currentThread().setContextClassLoader(orig);
}
}
} catch (IOException e) {
throw new ServletException(e);
}
}
private OsgiDestination checkRestfulRequest(HttpServletRequest request) throws IOException {
int len = -1;
OsgiDestination ret = null;
String address = request.getPathInfo() == null ? "" : request.getPathInfo();
for (String path : servlet.getTransport().getDestinationsPaths()) {
if ((address.equals(path)
|| "/".equals(path)
|| (address.length() > path.length()
&& address.startsWith(path) && address.charAt(path.length()) == '/'))
&& path.length() > len) {
ret = servlet.getTransport().getDestinationForPath(path);
len = path.length();
}
}
return ret;
}
protected void generateServiceList(HttpServletRequest request, HttpServletResponse response)
throws IOException {
response.setContentType("text/html; charset=UTF-8");
response.getWriter().write("");
response.getWriter().write("");
if (serviceListStyleSheet != null) {
response.getWriter().write(
"CXF - Service list ");
response.getWriter().write("");
Collection destinations = servlet.getTransport().getDestinations();
if (destinations.size() > 0) {
writeSOAPEndpoints(response, destinations);
writeRESTfulEndpoints(response, destinations);
} else {
response.getWriter().write("No services have been found. ");
}
response.getWriter().write("");
}
private void writeSOAPEndpoints(HttpServletResponse response, Collection destinations)
throws IOException {
response.getWriter().write("Available SOAP services: ");
for (OsgiDestination sd : destinations) {
if (null != sd.getEndpointInfo().getName()
&& null != sd.getEndpointInfo().getInterface()) {
response.getWriter().write("");
response.getWriter().write(""
+ sd.getEndpointInfo().getInterface().getName().getLocalPart()
+ " ");
response.getWriter().write("");
for (OperationInfo oi : sd.getEndpointInfo().getInterface().getOperations()) {
response.getWriter().write("" + oi.getName().getLocalPart() + " ");
}
response.getWriter().write(" ");
response.getWriter().write(" ");
String address = sd.getEndpointInfo().getAddress();
response.getWriter().write("Endpoint address: "
+ "" + address + " ");
response.getWriter().write("WSDL : "
+ ""
+ sd.getEndpointInfo().getService().getName() + " ");
response.getWriter().write("Target namespace: "
+ ""
+ sd.getEndpointInfo().getService().getTargetNamespace() + " ");
response.getWriter().write("
destinations)
throws IOException {
List restfulDests = new ArrayList();
for (OsgiDestination sd : destinations) {
// use some more reasonable check - though this one seems to be the only option at the moment
if (null == sd.getEndpointInfo().getInterface()) {
restfulDests.add(sd);
}
}
if (restfulDests.size() == 0) {
return;
}
response.getWriter().write("Available RESTful services: ");
for (OsgiDestination sd : destinations) {
if (null == sd.getEndpointInfo().getInterface()) {
response.getWriter().write("");
String address = sd.getEndpointInfo().getAddress();
response.getWriter().write("Endpoint address: "
+ "" + address + " ");
response.getWriter().write("WADL : "
+ ""
+ address + "?_wadl&type=xml" + " ");
response.getWriter().write("
");
}
protected void generateNotFound(HttpServletRequest request, HttpServletResponse res) throws IOException {
res.setStatus(404);
res.setContentType("text/html");
res.getWriter().write("No service was found.");
}
public void invokeDestination(final HttpServletRequest request,
HttpServletResponse response,
OsgiDestination d) throws ServletException {
if (LOG.isLoggable(Level.FINE)) {
LOG.fine("Service http request on thread: " + Thread.currentThread());
}
try {
MessageImpl inMessage = servlet.createInMessage();
inMessage.setContent(InputStream.class, request.getInputStream());
inMessage.put(AbstractHTTPDestination.HTTP_REQUEST, request);
inMessage.put(AbstractHTTPDestination.HTTP_RESPONSE, response);
inMessage.put(AbstractHTTPDestination.HTTP_CONTEXT, servlet.getServletContext());
inMessage.put(AbstractHTTPDestination.HTTP_CONFIG, servlet.getServletConfig());
inMessage.put(Message.HTTP_REQUEST_METHOD, request.getMethod());
inMessage.put(Message.REQUEST_URI, request.getRequestURI());
inMessage.put(Message.PATH_INFO, request.getPathInfo());
inMessage.put(Message.QUERY_STRING, request.getQueryString());
inMessage.put(Message.CONTENT_TYPE, request.getContentType());
inMessage.put(Message.ACCEPT_CONTENT_TYPE, request.getHeader("Accept"));
inMessage.put(Message.BASE_PATH, d.getAddress().getAddress().getValue());
inMessage.put(SecurityContext.class, new SecurityContext() {
public Principal getUserPrincipal() {
return request.getUserPrincipal();
}
public boolean isUserInRole(String role) {
return request.isUserInRole(role);
}
});
// work around a bug with Jetty which results in the character
// encoding not being trimmed correctly.
String enc = request.getCharacterEncoding();
if (enc != null && enc.endsWith("\"")) {
enc = enc.substring(0, enc.length() - 1);
}
String normalizedEncoding = HttpHeaderHelper.mapCharset(enc);
if (normalizedEncoding == null) {
String m = new org.apache.cxf.common.i18n.Message("INVALID_ENCODING_MSG",
LOG, enc).toString();
LOG.log(Level.WARNING, m);
throw new IOException(m);
}
inMessage.put(Message.ENCODING, normalizedEncoding);
SSLUtils.propogateSecureSession(request, inMessage);
ExchangeImpl exchange = servlet.createExchange();
exchange.setInMessage(inMessage);
exchange.setSession(new HTTPSession(request));
d.doMessage(inMessage);
} catch (IOException e) {
throw new ServletException(e);
}
}
}
