107 lines
3.8 KiB
Java
107 lines
3.8 KiB
Java
/*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed with
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* this work for additional information regarding copyright ownership.
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* The ASF licenses this file to You under the Apache License, Version 2.0
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* (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package org.apache.catalina.webresources;
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import java.io.File;
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import java.io.FileOutputStream;
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import java.io.IOException;
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import java.io.InputStream;
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import java.io.OutputStream;
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import javax.servlet.ServletContext;
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import org.apache.catalina.LifecycleException;
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import org.apache.catalina.WebResource;
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import org.apache.catalina.startup.ExpandWar;
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import org.apache.catalina.util.IOTools;
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import org.apache.tomcat.util.res.StringManager;
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/**
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* If the main resources are packaged as a WAR file then any JARs will be
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* extracted to the work directory and used from there.
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*/
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public class ExtractingRoot extends StandardRoot {
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private static final StringManager sm = StringManager.getManager(ExtractingRoot.class);
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private static final String APPLICATION_JARS_DIR = "application-jars";
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@Override
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protected void processWebInfLib() throws LifecycleException {
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// Don't extract JAR files unless the application is deployed as a
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// packed WAR file.
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if (!super.isPackedWarFile()) {
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super.processWebInfLib();
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return;
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}
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File expansionTarget = getExpansionTarget();
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if (!expansionTarget.isDirectory()) {
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if (!expansionTarget.mkdirs()) {
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throw new LifecycleException(
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sm.getString("extractingRoot.targetFailed", expansionTarget));
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}
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}
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WebResource[] possibleJars = listResources("/WEB-INF/lib", false);
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for (WebResource possibleJar : possibleJars) {
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if (possibleJar.isFile() && possibleJar.getName().endsWith(".jar")) {
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try {
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File dest = new File(expansionTarget, possibleJar.getName());
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dest = dest.getCanonicalFile();
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try (InputStream sourceStream = possibleJar.getInputStream();
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OutputStream destStream= new FileOutputStream(dest)) {
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IOTools.flow(sourceStream, destStream);
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}
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createWebResourceSet(ResourceSetType.CLASSES_JAR,
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"/WEB-INF/classes", dest.toURI().toURL(), "/");
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} catch (IOException ioe) {
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throw new LifecycleException(
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sm.getString("extractingRoot.jarFailed", possibleJar.getName()), ioe);
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}
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}
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}
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}
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private File getExpansionTarget() {
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File tmpDir = (File) getContext().getServletContext().getAttribute(ServletContext.TEMPDIR);
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File expansionTarget = new File(tmpDir, APPLICATION_JARS_DIR);
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return expansionTarget;
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}
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@Override
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protected boolean isPackedWarFile() {
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return false;
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}
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@Override
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protected void stopInternal() throws LifecycleException {
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super.stopInternal();
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if (super.isPackedWarFile()) {
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// Remove the extracted JARs from the work directory
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File expansionTarget = getExpansionTarget();
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ExpandWar.delete(expansionTarget);
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}
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}
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}
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