| /* |
| * 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.webresources; |
| |
| import java.io.File; |
| import java.io.IOException; |
| import java.io.InputStream; |
| import java.net.MalformedURLException; |
| import java.util.HashMap; |
| import java.util.jar.JarEntry; |
| import java.util.jar.JarFile; |
| import java.util.jar.JarInputStream; |
| import java.util.jar.Manifest; |
| |
| import org.apache.catalina.LifecycleException; |
| import org.apache.catalina.WebResource; |
| import org.apache.catalina.WebResourceRoot; |
| import org.apache.tomcat.util.buf.UriUtil; |
| |
| /** |
| * Represents a {@link org.apache.catalina.WebResourceSet} based on a JAR file |
| * that is nested inside a packed WAR file. This is only intended for internal |
| * use within Tomcat and therefore cannot be created via configuration. |
| */ |
| public class JarWarResourceSet extends AbstractArchiveResourceSet { |
| |
| private final String archivePath; |
| |
| /** |
| * Creates a new {@link org.apache.catalina.WebResourceSet} based on a JAR |
| * file that is nested inside a WAR. |
| * |
| * @param root The {@link WebResourceRoot} this new |
| * {@link org.apache.catalina.WebResourceSet} will |
| * be added to. |
| * @param webAppMount The path within the web application at which this |
| * {@link org.apache.catalina.WebResourceSet} will |
| * be mounted. |
| * @param base The absolute path to the WAR file on the file system |
| * in which the JAR is located. |
| * @param archivePath The path within the WAR file where the JAR file is |
| * located. |
| * @param internalPath The path within this new {@link |
| * org.apache.catalina.WebResourceSet} where |
| * resources will be served from. E.g. for a |
| * resource JAR, this would be "META-INF/resources" |
| * |
| * @throws IllegalArgumentException if the webAppMount or internalPath is |
| * not valid (valid paths must start with '/') |
| */ |
| public JarWarResourceSet(WebResourceRoot root, String webAppMount, |
| String base, String archivePath, String internalPath) |
| throws IllegalArgumentException { |
| setRoot(root); |
| setWebAppMount(webAppMount); |
| setBase(base); |
| this.archivePath = archivePath; |
| setInternalPath(internalPath); |
| |
| if (getRoot().getState().isAvailable()) { |
| try { |
| start(); |
| } catch (LifecycleException e) { |
| throw new IllegalStateException(e); |
| } |
| } |
| } |
| |
| @Override |
| protected WebResource createArchiveResource(JarEntry jarEntry, |
| String webAppPath, Manifest manifest) { |
| return new JarWarResource(this, webAppPath, getBaseUrlString(), jarEntry, archivePath); |
| } |
| |
| |
| /** |
| * {@inheritDoc} |
| * <p> |
| * JarWar can't optimise for a single resource so the Map is always |
| * returned. |
| */ |
| @Override |
| protected HashMap<String,JarEntry> getArchiveEntries(boolean single) { |
| synchronized (archiveLock) { |
| if (archiveEntries == null) { |
| JarFile warFile = null; |
| InputStream jarFileIs = null; |
| archiveEntries = new HashMap<>(); |
| try { |
| warFile = openJarFile(); |
| JarEntry jarFileInWar = warFile.getJarEntry(archivePath); |
| jarFileIs = warFile.getInputStream(jarFileInWar); |
| |
| try (JarInputStream jarIs = new JarInputStream(jarFileIs)) { |
| JarEntry entry = jarIs.getNextJarEntry(); |
| boolean hasMetaInf = false; |
| while (entry != null) { |
| if (!hasMetaInf && entry.getName().startsWith("META-INF/")) { |
| hasMetaInf = true; |
| } |
| archiveEntries.put(entry.getName(), entry); |
| entry = jarIs.getNextJarEntry(); |
| } |
| setManifest(jarIs.getManifest()); |
| // Hacks to work-around JarInputStream swallowing these |
| // entries. The attributes for these entries will be |
| // incomplete. Making the attributes available would |
| // require (re-)reading the stream as a ZipInputStream |
| // and creating JarEntry objects from the ZipEntries. |
| if (hasMetaInf) { |
| JarEntry metaInfDir = new JarEntry("META-INF/"); |
| archiveEntries.put(metaInfDir.getName(), metaInfDir); |
| } |
| if (jarIs.getManifest() != null) { |
| JarEntry manifest = new JarEntry("META-INF/MANIFEST.MF"); |
| archiveEntries.put(manifest.getName(), manifest); |
| } |
| } |
| } catch (IOException ioe) { |
| // Should never happen |
| archiveEntries = null; |
| throw new IllegalStateException(ioe); |
| } finally { |
| if (warFile != null) { |
| closeJarFile(); |
| } |
| if (jarFileIs != null) { |
| try { |
| jarFileIs.close(); |
| } catch (IOException e) { |
| // Ignore |
| } |
| } |
| } |
| } |
| return archiveEntries; |
| } |
| } |
| |
| |
| /** |
| * {@inheritDoc} |
| * <p> |
| * Should never be called since {@link #getArchiveEntries(boolean)} always |
| * returns a Map. |
| */ |
| @Override |
| protected JarEntry getArchiveEntry(String pathInArchive) { |
| throw new IllegalStateException("Coding error"); |
| } |
| |
| |
| //-------------------------------------------------------- Lifecycle methods |
| @Override |
| protected void initInternal() throws LifecycleException { |
| |
| try (JarFile warFile = new JarFile(getBase())) { |
| JarEntry jarFileInWar = warFile.getJarEntry(archivePath); |
| InputStream jarFileIs = warFile.getInputStream(jarFileInWar); |
| |
| try (JarInputStream jarIs = new JarInputStream(jarFileIs)) { |
| setManifest(jarIs.getManifest()); |
| } |
| } catch (IOException ioe) { |
| throw new IllegalArgumentException(ioe); |
| } |
| |
| try { |
| setBaseUrl(UriUtil.buildJarSafeUrl(new File(getBase()))); |
| } catch (MalformedURLException e) { |
| throw new IllegalArgumentException(e); |
| } |
| } |
| } |