/* * Copyright (c) 2001, 2011, Oracle and/or its affiliates. All rights reserved. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * * This code is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License version 2 only, as * published by the Free Software Foundation. Oracle designates this * particular file as subject to the "Classpath" exception as provided * by Oracle in the LICENSE file that accompanied this code. * * This code is distributed in the hope that it will be useful, but WITHOUT * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License * version 2 for more details (a copy is included in the LICENSE file that * accompanied this code). * * You should have received a copy of the GNU General Public License version * 2 along with this work; if not, write to the Free Software Foundation, * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. * * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA * or visit www.oracle.com if you need additional information or have any * questions. */package sun.net.www.protocol.jar;import java.io.*;import java.net.*;import java.nio.file.Files;import java.nio.file.Path;import java.nio.file.StandardCopyOption;import java.util.*;import java.util.jar.*;import java.util.zip.ZipFile;import java.util.zip.ZipEntry;import java.security.CodeSigner;import java.security.cert.Certificate;import java.security.AccessController;import java.security.PrivilegedAction;import java.security.PrivilegedExceptionAction;import java.security.PrivilegedActionException;import sun.net.www.ParseUtil;/* URL jar file is a common JarFile subtype used for JarURLConnection */public class URLJarFile extends JarFile { /* * Interface to be able to call retrieve() in plugin if * this variable is set. */ private static URLJarFileCallBack callback = null; /* Controller of the Jar File's closing */ private URLJarFileCloseController closeController = null; private static int BUF_SIZE = 2048; private Manifest superMan; private Attributes superAttr; private Map<String, Attributes> superEntries; static JarFile getJarFile(URL url) throws IOException { return getJarFile(url, null); } static JarFile getJarFile(URL url, URLJarFileCloseController closeController) throws IOException { if (isFileURL(url)) return new URLJarFile(url, closeController); else { return retrieve(url, closeController); } } /* * Changed modifier from private to public in order to be able * to instantiate URLJarFile from sun.plugin package. */ public URLJarFile(File file) throws IOException { this(file, null); } /* * Changed modifier from private to public in order to be able * to instantiate URLJarFile from sun.plugin package. */ public URLJarFile(File file, URLJarFileCloseController closeController) throws IOException { super(file, true, ZipFile.OPEN_READ | ZipFile.OPEN_DELETE); this.closeController = closeController; } private URLJarFile(URL url, URLJarFileCloseController closeController) throws IOException { super(ParseUtil.decode(url.getFile())); this.closeController = closeController; } private static boolean isFileURL(URL url) { if (url.getProtocol().equalsIgnoreCase("file")) { /* * Consider this a 'file' only if it's a LOCAL file, because * 'file:' URLs can be accessible through ftp. */ String host = url.getHost(); if (host == null || host.equals("") || host.equals("~") || host.equalsIgnoreCase("localhost")) return true; } return false; } /* * close the jar file. */ protected void finalize() throws IOException { close(); } /** * Returns the <code>ZipEntry</code> for the given entry name or * <code>null</code> if not found. * * @param name the JAR file entry name * @return the <code>ZipEntry</code> for the given entry name or * <code>null</code> if not found * @see java.util.zip.ZipEntry */ public ZipEntry getEntry(String name) { ZipEntry ze = super.getEntry(name); if (ze != null) { if (ze instanceof JarEntry) return new URLJarFileEntry((JarEntry)ze); else throw new InternalError(super.getClass() + " returned unexpected entry type " + ze.getClass()); } return null; } public Manifest getManifest() throws IOException { if (!isSuperMan()) { return null; } Manifest man = new Manifest(); Attributes attr = man.getMainAttributes(); attr.putAll((Map)superAttr.clone()); // now deep copy the manifest entries if (superEntries != null) { Map<String, Attributes> entries = man.getEntries(); for (String key : superEntries.keySet()) { Attributes at = superEntries.get(key); entries.put(key, (Attributes) at.clone()); } } return man; } /* If close controller is set the notify the controller about the pending close */ public void close() throws IOException { if (closeController != null) { closeController.close(this); } super.close(); } // optimal side-effects private synchronized boolean isSuperMan() throws IOException { if (superMan == null) { superMan = super.getManifest(); } if (superMan != null) { superAttr = superMan.getMainAttributes(); superEntries = superMan.getEntries(); return true; } else return false; } /** * Given a URL, retrieves a JAR file, caches it to disk, and creates a * cached JAR file object. */ private static JarFile retrieve(final URL url) throws IOException { return retrieve(url, null); } /** * Given a URL, retrieves a JAR file, caches it to disk, and creates a * cached JAR file object. */ private static JarFile retrieve(final URL url, final URLJarFileCloseController closeController) throws IOException { /* * See if interface is set, then call retrieve function of the class * that implements URLJarFileCallBack interface (sun.plugin - to * handle the cache failure for JARJAR file.) */ if (callback != null) { return callback.retrieve(url); } else { JarFile result = null; /* get the stream before asserting privileges */ try (final InputStream in = url.openConnection().getInputStream()) { result = AccessController.doPrivileged( new PrivilegedExceptionAction<JarFile>() { public JarFile run() throws IOException { Path tmpFile = Files.createTempFile("jar_cache", null); try { Files.copy(in, tmpFile, StandardCopyOption.REPLACE_EXISTING); JarFile jarFile = new URLJarFile(tmpFile.toFile(), closeController); tmpFile.toFile().deleteOnExit(); return jarFile; } catch (Throwable thr) { try { Files.delete(tmpFile); } catch (IOException ioe) { thr.addSuppressed(ioe); } throw thr; } } }); } catch (PrivilegedActionException pae) { throw (IOException) pae.getException(); } return result; } } /* * Set the call back interface to call retrive function in sun.plugin * package if plugin is running. */ public static void setCallBack(URLJarFileCallBack cb) { callback = cb; } private class URLJarFileEntry extends JarEntry { private JarEntry je; URLJarFileEntry(JarEntry je) { super(je); this.je=je; } public Attributes getAttributes() throws IOException { if (URLJarFile.this.isSuperMan()) { Map<String, Attributes> e = URLJarFile.this.superEntries; if (e != null) { Attributes a = e.get(getName()); if (a != null) return (Attributes)a.clone(); } } return null; } public java.security.cert.Certificate[] getCertificates() { Certificate[] certs = je.getCertificates(); return certs == null? null: certs.clone(); } public CodeSigner[] getCodeSigners() { CodeSigner[] csg = je.getCodeSigners(); return csg == null? null: csg.clone(); } } public interface URLJarFileCloseController { public void close(JarFile jarFile); }}
/*
* Copyright (c) 2001, 2011, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation. Oracle designates this
* particular file as subject to the "Classpath" exception as provided
* by Oracle in the LICENSE file that accompanied this code.
*
* This code is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
* or visit www.oracle.com if you need additional information or have any
* questions.
*/
package sun.net.www.protocol.jar;
import java.io.*;
import java.net.*;
import java.nio.file.Files;
import java.nio.file.Path;
import java.nio.file.StandardCopyOption;
import java.util.*;
import java.util.jar.*;
import java.util.zip.ZipFile;
import java.util.zip.ZipEntry;
import java.security.CodeSigner;
import java.security.cert.Certificate;
import java.security.AccessController;
import java.security.PrivilegedAction;
import java.security.PrivilegedExceptionAction;
import java.security.PrivilegedActionException;
import sun.net.www.ParseUtil;
/* URL jar file is a common JarFile subtype used for JarURLConnection */
public class URLJarFile extends JarFile {
/*
* Interface to be able to call retrieve() in plugin if
* this variable is set.
*/
private static URLJarFileCallBack callback = null;
/* Controller of the Jar File's closing */
private URLJarFileCloseController closeController = null;
private static int BUF_SIZE = 2048;
private Manifest superMan;
private Attributes superAttr;
private Map<String, Attributes> superEntries;
static JarFile getJarFile(URL url) throws IOException {
return getJarFile(url, null);
}
static JarFile getJarFile(URL url, URLJarFileCloseController closeController) throws IOException {
if (isFileURL(url))
return new URLJarFile(url, closeController);
else {
return retrieve(url, closeController);
}
}
/*
* Changed modifier from private to public in order to be able
* to instantiate URLJarFile from sun.plugin package.
*/
public URLJarFile(File file) throws IOException {
this(file, null);
}
/*
* Changed modifier from private to public in order to be able
* to instantiate URLJarFile from sun.plugin package.
*/
public URLJarFile(File file, URLJarFileCloseController closeController) throws IOException {
super(file, true, ZipFile.OPEN_READ | ZipFile.OPEN_DELETE);
this.closeController = closeController;
}
private URLJarFile(URL url, URLJarFileCloseController closeController) throws IOException {
super(ParseUtil.decode(url.getFile()));
this.closeController = closeController;
}
private static boolean isFileURL(URL url) {
if (url.getProtocol().equalsIgnoreCase("file")) {
/*
* Consider this a 'file' only if it's a LOCAL file, because
* 'file:' URLs can be accessible through ftp.
*/
String host = url.getHost();
if (host == null || host.equals("") || host.equals("~") ||
host.equalsIgnoreCase("localhost"))
return true;
}
return false;
}
/*
* close the jar file.
*/
protected void finalize() throws IOException {
close();
}
/**
* Returns the <code>ZipEntry</code> for the given entry name or
* <code>null</code> if not found.
*
* @param name the JAR file entry name
* @return the <code>ZipEntry</code> for the given entry name or
* <code>null</code> if not found
* @see java.util.zip.ZipEntry
*/
public ZipEntry getEntry(String name) {
ZipEntry ze = super.getEntry(name);
if (ze != null) {
if (ze instanceof JarEntry)
return new URLJarFileEntry((JarEntry)ze);
else
throw new InternalError(super.getClass() +
" returned unexpected entry type " +
ze.getClass());
}
return null;
}
public Manifest getManifest() throws IOException {
if (!isSuperMan()) {
return null;
}
Manifest man = new Manifest();
Attributes attr = man.getMainAttributes();
attr.putAll((Map)superAttr.clone());
// now deep copy the manifest entries
if (superEntries != null) {
Map<String, Attributes> entries = man.getEntries();
for (String key : superEntries.keySet()) {
Attributes at = superEntries.get(key);
entries.put(key, (Attributes) at.clone());
}
}
return man;
}
/* If close controller is set the notify the controller about the pending close */
public void close() throws IOException {
if (closeController != null) {
closeController.close(this);
}
super.close();
}
// optimal side-effects
private synchronized boolean isSuperMan() throws IOException {
if (superMan == null) {
superMan = super.getManifest();
}
if (superMan != null) {
superAttr = superMan.getMainAttributes();
superEntries = superMan.getEntries();
return true;
} else
return false;
}
/**
* Given a URL, retrieves a JAR file, caches it to disk, and creates a
* cached JAR file object.
*/
private static JarFile retrieve(final URL url) throws IOException {
return retrieve(url, null);
}
/**
* Given a URL, retrieves a JAR file, caches it to disk, and creates a
* cached JAR file object.
*/
private static JarFile retrieve(final URL url, final URLJarFileCloseController closeController) throws IOException {
/*
* See if interface is set, then call retrieve function of the class
* that implements URLJarFileCallBack interface (sun.plugin - to
* handle the cache failure for JARJAR file.)
*/
if (callback != null)
{
return callback.retrieve(url);
}
else
{
JarFile result = null;
/* get the stream before asserting privileges */
try (final InputStream in = url.openConnection().getInputStream()) {
result = AccessController.doPrivileged(
new PrivilegedExceptionAction<JarFile>() {
public JarFile run() throws IOException {
Path tmpFile = Files.createTempFile("jar_cache", null);
try {
Files.copy(in, tmpFile, StandardCopyOption.REPLACE_EXISTING);
JarFile jarFile = new URLJarFile(tmpFile.toFile(), closeController);
tmpFile.toFile().deleteOnExit();
return jarFile;
} catch (Throwable thr) {
try {
Files.delete(tmpFile);
} catch (IOException ioe) {
thr.addSuppressed(ioe);
}
throw thr;
}
}
});
} catch (PrivilegedActionException pae) {
throw (IOException) pae.getException();
}
return result;
}
}
/*
* Set the call back interface to call retrive function in sun.plugin
* package if plugin is running.
*/
public static void setCallBack(URLJarFileCallBack cb)
{
callback = cb;
}
private class URLJarFileEntry extends JarEntry {
private JarEntry je;
URLJarFileEntry(JarEntry je) {
super(je);
this.je=je;
}
public Attributes getAttributes() throws IOException {
if (URLJarFile.this.isSuperMan()) {
Map<String, Attributes> e = URLJarFile.this.superEntries;
if (e != null) {
Attributes a = e.get(getName());
if (a != null)
return (Attributes)a.clone();
}
}
return null;
}
public java.security.cert.Certificate[] getCertificates() {
Certificate[] certs = je.getCertificates();
return certs == null? null: certs.clone();
}
public CodeSigner[] getCodeSigners() {
CodeSigner[] csg = je.getCodeSigners();
return csg == null? null: csg.clone();
}
}
public interface URLJarFileCloseController {
public void close(JarFile jarFile);
}
}