/*
* Copyright 2004,2006 The Apache Software Foundation.
*
* 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 org.apache.axis2.transport.http;
import org.apache.axis2.AxisFault;
import org.apache.axis2.Constants;
import org.apache.axis2.deployment.DeploymentConstants;
import org.apache.axis2.addressing.EndpointReference;
import org.apache.axis2.context.ConfigurationContext;
import org.apache.axis2.description.AxisDescription;
import org.apache.axis2.description.AxisService;
import org.apache.axis2.description.PolicyInclude;
import org.apache.axis2.description.TransportInDescription;
import org.apache.axis2.transport.TransportListener;
import org.apache.axis2.util.ExternalPolicySerializer;
import org.apache.neethi.Policy;
import org.apache.neethi.PolicyRegistry;
import org.apache.ws.commons.schema.XmlSchema;
import org.apache.axiom.attachments.utils.IOUtils;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.xml.namespace.QName;
import javax.xml.stream.FactoryConfigurationError;
import javax.xml.stream.XMLOutputFactory;
import javax.xml.stream.XMLStreamException;
import javax.xml.stream.XMLStreamWriter;
import java.io.IOException;
import java.io.OutputStream;
import java.io.InputStream;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.Iterator;
import java.util.List;
import java.util.Map;
public class ListingAgent extends AbstractAgent {
private static final String LIST_MULTIPLE_SERVICE_JSP_NAME =
"listServices.jsp";
private static final String LIST_SINGLE_SERVICE_JSP_NAME =
"listSingleService.jsp";
private static final String LIST_FAULTY_SERVICES_JSP_NAME = "listFaultyService.jsp";
public static final String RUNNING_PORT = "RUNNING_PORT";
public ListingAgent(ConfigurationContext aConfigContext) {
super(aConfigContext);
}
private void addTransportListner(String schema, int port) {
try {
TransportInDescription trsIn =
configContext.getAxisConfiguration().getTransportIn(
new QName(schema));
if (trsIn == null) {
trsIn = new TransportInDescription(new QName(schema));
trsIn.setReceiver(new HTTPSListener(port, schema));
configContext.getListenerManager().addListener(trsIn, true);
}
} catch (AxisFault axisFault) {
//
}
}
public void handle(HttpServletRequest httpServletRequest,
HttpServletResponse httpServletResponse)
throws IOException, ServletException {
// httpServletRequest.getLocalPort() , giving me a build error so I had to use the followin
String filePart = httpServletRequest.getRequestURL().toString();
int ipindex = filePart.indexOf("//");
String ip;
if (ipindex >= 0) {
ip = filePart.substring(ipindex + 2, filePart.length());
int seperatorIndex = ip.indexOf(":");
int slashIndex = ip.indexOf("/");
String portstr = ip.substring(seperatorIndex + 1,
slashIndex);
try {
addTransportListner(httpServletRequest.getScheme(), Integer.parseInt(portstr));
} catch (NumberFormatException e) {
//
}
}
String query = httpServletRequest.getQueryString();
if (query != null) {
if (query.indexOf("?wsdl2") > 0 || query.indexOf("?wsdl") > 0 || query.indexOf("?xsd") > 0) {
processListService(httpServletRequest, httpServletResponse);
} else {
super.handle(httpServletRequest, httpServletResponse);
}
} else {
super.handle(httpServletRequest, httpServletResponse);
}
}
protected void processListFaultyServices(HttpServletRequest req, HttpServletResponse res)
throws IOException, ServletException {
String serviceName = req.getParameter("serviceName");
if (serviceName != null) {
AxisService service = configContext.getAxisConfiguration().getService(serviceName);
req.getSession().setAttribute(Constants.SINGLE_SERVICE, service);
}
renderView(LIST_FAULTY_SERVICES_JSP_NAME, req, res);
}
protected void processIndex(HttpServletRequest httpServletRequest,
HttpServletResponse httpServletResponse)
throws IOException, ServletException {
processListServices(httpServletRequest, httpServletResponse);
}
private String extractHostAndPort(String filePart, boolean isHttp) {
int ipindex = filePart.indexOf("//");
String ip = null;
if (ipindex >= 0) {
ip = filePart.substring(ipindex + 2, filePart.length());
int seperatorIndex = ip.indexOf(":");
int slashIndex = ip.indexOf("/");
String port;
if (seperatorIndex >= 0) {
port = ip.substring(seperatorIndex + 1, slashIndex);
ip = ip.substring(0, seperatorIndex);
} else {
ip = ip.substring(0, slashIndex);
port = "80";
}
if (isHttp) {
configContext.setProperty(RUNNING_PORT, port);
}
}
return ip;
}
public void processListService(HttpServletRequest req,
HttpServletResponse res)
throws IOException, ServletException {
String filePart = req.getRequestURL().toString();
String serviceName = filePart.substring(filePart.lastIndexOf("/") + 1,
filePart.length());
HashMap services = configContext.getAxisConfiguration().getServices();
String query = req.getQueryString();
int wsdl2 = query.indexOf("wsdl2");
int wsdl = query.indexOf("wsdl");
int xsd = query.indexOf("xsd");
int policy = query.indexOf("policy");
if ((services != null) && !services.isEmpty()) {
Object serviceObj = services.get(serviceName);
if (serviceObj != null) {
boolean isHttp = "http".equals(req.getScheme());
if (wsdl2 >= 0) {
OutputStream out = res.getOutputStream();
res.setContentType("text/xml");
String ip = extractHostAndPort(filePart, isHttp);
((AxisService) serviceObj).printWSDL2(out, ip, configContext.getServiceContextPath());
out.flush();
out.close();
return;
} else if (wsdl >= 0) {
OutputStream out = res.getOutputStream();
res.setContentType("text/xml");
String ip = extractHostAndPort(filePart, isHttp);
((AxisService) serviceObj).printWSDL(out, ip, configContext.getServicePath());
out.flush();
out.close();
return;
} else if (xsd >= 0) {
OutputStream out = res.getOutputStream();
res.setContentType("text/xml");
AxisService axisService = (AxisService) serviceObj;
//call the populator
axisService.populateSchemaMappings();
Map schemaMappingtable =
axisService.getSchemaMappingTable();
ArrayList schemas = axisService.getSchema();
//a name is present - try to pump the requested schema
String xsds = req.getParameter("xsd");
if (!"".equals(xsds)) {
XmlSchema schema =
(XmlSchema) schemaMappingtable.get(xsds);
if (schema != null) {
//schema is there - pump it outs
schema.write(out);
out.flush();
out.close();
} else {
InputStream in = axisService.getClassLoader().getResourceAsStream(DeploymentConstants.META_INF + "/" + xsds);
if(in != null) {
out.write(IOUtils.getStreamAsByteArray(in));
out.flush();
out.close();
} else {
res.sendError(HttpServletResponse.SC_NOT_FOUND);
}
}
//multiple schemas are present and the user specified
//no name - in this case we cannot possibly pump a schema
//so redirect to the service root
} else if (schemas.size() > 1) {
res.sendRedirect("");
//user specified no name and there is only one schema
//so pump that out
} else {
XmlSchema schema = axisService.getSchema(0);
if (schema != null) {
schema.write(out);
out.flush();
out.close();
}
}
return;
} else if (policy >= 0) {
OutputStream out = res.getOutputStream();
ExternalPolicySerializer serializer = new ExternalPolicySerializer();
serializer.setAssertionsToFilter(configContext
.getAxisConfiguration().getLocalPolicyAssertions());
// check whether Id is set
String idParam = req.getParameter("id");
if (idParam != null) {
// Id is set
Policy targetPolicy = findPolicy(idParam, (AxisService) serviceObj);
if (targetPolicy != null) {
XMLStreamWriter writer;
try {
writer = XMLOutputFactory.newInstance()
.createXMLStreamWriter(out);
res.setContentType("text/xml");
targetPolicy.serialize(writer);
writer.flush();
} catch (XMLStreamException e) {
throw new ServletException(
"Error occured when serializing the Policy",
e);
} catch (FactoryConfigurationError e) {
throw new ServletException(
"Error occured when serializing the Policy",
e);
}
} else {
res.setContentType("text/html");
String outStr = "<b>No policy found for id="
+ idParam + "</b>";
out.write(outStr.getBytes());
}
} else {
PolicyInclude policyInclude = ((AxisService) serviceObj).getPolicyInclude();
Policy effecPolicy = policyInclude.getEffectivePolicy();
if (effecPolicy != null) {
XMLStreamWriter writer;
try {
writer = XMLOutputFactory.newInstance()
.createXMLStreamWriter(out);
res.setContentType("text/xml");
effecPolicy.serialize(writer);
writer.flush();
} catch (XMLStreamException e) {
throw new ServletException(
"Error occured when serializing the Policy",
e);
} catch (FactoryConfigurationError e) {
throw new ServletException(
"Error occured when serializing the Policy",
e);
}
} else {
res.setContentType("text/html");
String outStr = "<b>No effective policy for "
+ serviceName + " servcie</b>";
out.write(outStr.getBytes());
}
}
return;
} else {
req.getSession().setAttribute(Constants.SINGLE_SERVICE,
serviceObj);
}
} else {
req.getSession().setAttribute(Constants.SINGLE_SERVICE, null);
}
}
renderView(LIST_SINGLE_SERVICE_JSP_NAME, req, res);
}
protected void processListServices(HttpServletRequest req,
HttpServletResponse res)
throws IOException, ServletException {
populateSessionInformation(req);
req.getSession().setAttribute(Constants.ERROR_SERVICE_MAP,
configContext.getAxisConfiguration().getFaultyServices());
renderView(LIST_MULTIPLE_SERVICE_JSP_NAME, req, res);
}
private Policy findPolicy(String id, AxisDescription des) {
List policyElements = des.getPolicyInclude().getPolicyElements();
PolicyRegistry registry = des.getPolicyInclude().getPolicyRegistry();
Object policyComponent = null;
Policy policy = registry.lookup(id);
if (policy != null) {
return policy;
}
for (Iterator iterator = policyElements.iterator(); iterator.hasNext();) {
policyComponent = iterator.next();
if (policyComponent instanceof Policy) {
// policy found for the id
if (id.equals(((Policy) policyComponent).getId())) {
return (Policy) policyComponent;
}
}
}
AxisDescription child;
for (Iterator iterator = des.getChildren(); iterator.hasNext();) {
child = (AxisDescription) iterator.next();
policy = findPolicy(id, child);
if (policy != null) {
return policy;
}
}
return null;
}
/**
* This class is just to add tarnsport at the runtime if user send requet using
* diffrent schemes , simly to handle http/https seperetaly
*/
private class HTTPSListener implements TransportListener {
private int port;
private String schema;
private ConfigurationContext axisConf;
public HTTPSListener(int port, String schema) {
this.port = port;
this.schema = schema;
}
public void init(ConfigurationContext axisConf,
TransportInDescription transprtIn) throws AxisFault {
this.axisConf = axisConf;
}
public void start() throws AxisFault {
}
public void stop() throws AxisFault {
}
public EndpointReference[] getEPRsForService(String serviceName, String ip) throws AxisFault {
return new EndpointReference[]{new EndpointReference(schema + "://" + ip + ":" + port + "/" + axisConf.getServiceContextPath() + "/" + serviceName)}; //To change body of implemented methods use File | Settings | File Templates.
}
public EndpointReference getEPRForService(String serviceName, String ip) throws AxisFault {
return getEPRsForService(serviceName, ip)[0];
}
}
}