/*
* 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.catalina.core;
import java.io.File;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.net.URL;
import java.util.Arrays;
import java.util.List;
import javax.naming.directory.DirContext;
import javax.servlet.ServletContext;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertTrue;
import org.junit.Assert;
import org.junit.Test;
import org.apache.catalina.Context;
import org.apache.catalina.Lifecycle;
import org.apache.catalina.LifecycleEvent;
import org.apache.catalina.LifecycleListener;
import org.apache.catalina.deploy.WebXml;
import org.apache.catalina.startup.Constants;
import org.apache.catalina.startup.ContextConfig;
import org.apache.catalina.startup.Tomcat;
import org.apache.catalina.startup.TomcatBaseTest;
import org.apache.naming.resources.ProxyDirContext;
import org.apache.tomcat.util.buf.ByteChunk;
public class TestStandardContextResources extends TomcatBaseTest {
@Override
public void setUp() throws Exception {
super.setUp();
Tomcat tomcat = getTomcatInstance();
// BZ 49218: The test fails if JreMemoryLeakPreventionListener is not
// present. The listener affects the JVM, and thus not only the current,
// but also the subsequent tests that are run in the same JVM. So it is
// fair to add it in every test.
tomcat.getServer().addLifecycleListener(
new JreMemoryLeakPreventionListener());
}
@Test
public void testResources() throws Exception {
Tomcat tomcat = getTomcatInstance();
File appDir = new File("test/webapp-3.0-fragments");
// app dir is relative to server home
Context ctx = tomcat.addWebapp(null, "/test", appDir.getAbsolutePath());
tomcat.start();
assertPageContains("/test/resourceA.jsp",
"<p>resourceA.jsp in the web application</p>");
assertPageContains("/test/resourceB.jsp",
"<p>resourceB.jsp in resources.jar</p>");
assertPageContains("/test/folder/resourceC.jsp",
"<p>resourceC.jsp in the web application</p>");
assertPageContains("/test/folder/resourceD.jsp",
"<p>resourceD.jsp in resources.jar</p>");
assertPageContains("/test/folder/resourceE.jsp",
"<p>resourceE.jsp in the web application</p>");
assertPageContains("/test/resourceG.jsp",
"<p>resourceG.jsp in WEB-INF/classes</p>", 404);
// For BZ 54391. Relative ordering is specified in resources2.jar.
// It is not absolute-ordering, so there may be other jars in the list
@SuppressWarnings("unchecked")
List<String> orderedLibs = (List<String>) ctx.getServletContext()
.getAttribute(ServletContext.ORDERED_LIBS);
if (orderedLibs.size() > 2) {
log.warn("testResources(): orderedLibs: " + orderedLibs);
}
int index = orderedLibs.indexOf("resources.jar");
int index2 = orderedLibs.indexOf("resources2.jar");
assertTrue(orderedLibs.toString(), index >= 0 && index2 >= 0
&& index < index2);
}
@Test
public void testResourcesWebInfClasses() throws Exception {
Tomcat tomcat = getTomcatInstance();
// app dir is relative to server home
File appDir = new File("test/webapp-3.0-fragments");
// Need to cast to be able to set StandardContext specific attribute
StandardContext ctxt = (StandardContext)
tomcat.addWebapp(null, "/test", appDir.getAbsolutePath());
ctxt.setAddWebinfClassesResources(true);
tomcat.start();
assertPageContains("/test/resourceA.jsp",
"<p>resourceA.jsp in the web application</p>");
assertPageContains("/test/resourceB.jsp",
"<p>resourceB.jsp in resources.jar</p>");
assertPageContains("/test/folder/resourceC.jsp",
"<p>resourceC.jsp in the web application</p>");
assertPageContains("/test/folder/resourceD.jsp",
"<p>resourceD.jsp in resources.jar</p>");
assertPageContains("/test/folder/resourceE.jsp",
"<p>resourceE.jsp in the web application</p>");
assertPageContains("/test/resourceG.jsp",
"<p>resourceG.jsp in WEB-INF/classes</p>");
}
@Test
public void testResourcesAbsoluteOrdering() throws Exception {
Tomcat tomcat = getTomcatInstance();
File appDir = new File("test/webapp-3.0-fragments");
// app dir is relative to server home
StandardContext ctx = (StandardContext) tomcat.addWebapp(null, "/test",
appDir.getAbsolutePath());
LifecycleListener[] listener = ctx.findLifecycleListeners();
assertEquals(3,listener.length);
assertTrue(listener[1] instanceof ContextConfig);
ContextConfig config = new ContextConfig() {
@Override
protected WebXml createWebXml() {
WebXml wxml = new WebXml();
wxml.addAbsoluteOrdering("resources");
wxml.addAbsoluteOrdering("resources2");
return wxml;
}
};
// prevent it from looking ( if it finds one - it'll have dup error )
config.setDefaultWebXml(Constants.NoDefaultWebXml);
listener[1] = config;
Tomcat.addServlet(ctx, "getresource", new GetResourceServlet());
ctx.addServletMapping("/getresource", "getresource");
tomcat.start();
assertPageContains("/test/getresource?path=/resourceF.jsp",
"<p>resourceF.jsp in resources2.jar</p>");
assertPageContains("/test/getresource?path=/resourceB.jsp",
"<p>resourceB.jsp in resources.jar</p>");
// Check ordering, for BZ 54391
assertEquals(Arrays.asList("resources.jar", "resources2.jar"), ctx
.getServletContext().getAttribute(ServletContext.ORDERED_LIBS));
ctx.stop();
LifecycleListener[] listener1 = ctx.findLifecycleListeners();
// change ordering and reload
ContextConfig config1 = new ContextConfig() {
@Override
protected WebXml createWebXml() {
WebXml wxml = new WebXml();
wxml.addAbsoluteOrdering("resources2");
wxml.addAbsoluteOrdering("resources");
return wxml;
}
};
// prevent it from looking ( if it finds one - it'll have dup error )
config1.setDefaultWebXml(Constants.NoDefaultWebXml);
listener1[1] = config1;
// Need to init since context won't call init
config1.lifecycleEvent(
new LifecycleEvent(ctx, Lifecycle.AFTER_INIT_EVENT, null));
Tomcat.addServlet(ctx, "getresource", new GetResourceServlet());
ctx.addServletMapping("/getresource", "getresource");
ctx.start();
assertPageContains("/test/getresource?path=/resourceF.jsp",
"<p>resourceF.jsp in resources2.jar</p>");
assertPageContains("/test/getresource?path=/resourceB.jsp",
"<p>resourceB.jsp in resources2.jar</p>");
// Check ordering, for BZ 54391
assertEquals(Arrays.asList("resources2.jar", "resources.jar"), ctx
.getServletContext().getAttribute(ServletContext.ORDERED_LIBS));
}
@Test
public void testResources2() throws Exception {
Tomcat tomcat = getTomcatInstance();
File appDir = new File("test/webapp-3.0-fragments");
// app dir is relative to server home
StandardContext ctx = (StandardContext) tomcat.addWebapp(null, "/test",
appDir.getAbsolutePath());
Tomcat.addServlet(ctx, "getresource", new GetResourceServlet());
ctx.addServletMapping("/getresource", "getresource");
tomcat.start();
assertPageContains("/test/getresource?path=/resourceF.jsp",
"<p>resourceF.jsp in resources2.jar</p>");
assertPageContains("/test/getresource?path=/resourceA.jsp",
"<p>resourceA.jsp in the web application</p>");
assertPageContains("/test/getresource?path=/resourceB.jsp",
"<p>resourceB.jsp in resources.jar</p>");
assertPageContains("/test/getresource?path=/folder/resourceC.jsp",
"<p>resourceC.jsp in the web application</p>");
assertPageContains("/test/getresource?path=/folder/resourceD.jsp",
"<p>resourceD.jsp in resources.jar</p>");
assertPageContains("/test/getresource?path=/folder/resourceE.jsp",
"<p>resourceE.jsp in the web application</p>");
}
@Test
public void testResourceCaching() throws Exception {
Tomcat tomcat = getTomcatInstance();
File appDir = new File("test/webapp-3.0-fragments");
// app dir is relative to server home
StandardContext ctx = (StandardContext) tomcat.addWebapp(
null, "/test", appDir.getAbsolutePath());
ctx.setCachingAllowed(false);
tomcat.start();
DirContext resources = ctx.getResources();
Assert.assertTrue(resources instanceof ProxyDirContext);
ProxyDirContext proxyResources = (ProxyDirContext) resources;
// Caching should be disabled
Assert.assertNull(proxyResources.getCache());
ctx.stop();
ctx.start();
// Caching should still be disabled
Assert.assertNull(proxyResources.getCache());
}
/**
* A servlet that prints the requested resource. The path to the requested
* resource is passed as a parameter, <code>path</code>.
*/
public static class GetResourceServlet extends HttpServlet {
private static final long serialVersionUID = 1L;
@Override
protected void doGet(HttpServletRequest req, HttpServletResponse resp)
throws ServletException, IOException {
resp.setContentType("text/plain");
ServletContext context = getServletContext();
// Check resources individually
URL url = context.getResource(req.getParameter("path"));
if (url == null) {
resp.getWriter().println("Not found");
return;
}
InputStream input = url.openStream();
OutputStream output = resp.getOutputStream();
try {
byte[] buffer = new byte[4000];
for (int len; (len = input.read(buffer)) > 0;) {
output.write(buffer, 0, len);
}
} finally {
input.close();
output.close();
}
}
}
private void assertPageContains(String pageUrl, String expectedBody)
throws IOException {
assertPageContains(pageUrl, expectedBody, 200);
}
private void assertPageContains(String pageUrl, String expectedBody,
int expectedStatus) throws IOException {
ByteChunk res = new ByteChunk();
int sc = getUrl("http://localhost:" + getPort() + pageUrl, res, null);
assertEquals(expectedStatus, sc);
if (expectedStatus == 200) {
String result = res.toString();
assertTrue(result, result.indexOf(expectedBody) > 0);
}
}
}