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Micro Distribution of the Payara Project for IBM JDK
/*
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*
* Copyright (c) 1997-2016 Oracle and/or its affiliates. All rights reserved.
*
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* and Distribution License("CDDL") (collectively, the "License"). You
* may not use this file except in compliance with the License. You can
* obtain a copy of the License at
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* permission notice:
*
* Copyright 2004 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
*
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package org.apache.catalina.startup;
import org.apache.catalina.Host;
import org.apache.catalina.LogFacade;
import java.io.*;
import java.net.JarURLConnection;
import java.net.URL;
import java.nio.channels.FileChannel;
import java.text.MessageFormat;
import java.util.Enumeration;
import java.util.ResourceBundle;
import java.util.jar.JarEntry;
import java.util.jar.JarFile;
import java.util.logging.Level;
import java.util.logging.Logger;
/**
* Expand out a WAR in a Host's appBase.
*
* @author Craig R. McClanahan
* @author Remy Maucherat
* @author Glenn L. Nielsen
* @version $Revision: 1.3 $
*/
public class ExpandWar {
private static final Logger log = LogFacade.getLogger();
private static final ResourceBundle rb = log.getResourceBundle();
/**
* Expand the WAR file found at the specified URL into an unpacked
* directory structure, and return the absolute pathname to the expanded
* directory.
*
* @param host Host war is being installed for
* @param war URL of the web application archive to be expanded
* (must start with "jar:")
*
* @exception IllegalArgumentException if this is not a "jar:" URL
* @exception IOException if an input/output error was encountered
* during expansion
*/
public static String expand(Host host, URL war)
throws IOException {
// Calculate the directory name of the expanded directory
String pathname = war.toString().replace('\\', '/');
if (pathname.endsWith("!/")) {
pathname = pathname.substring(0, pathname.length() - 2);
}
int period = pathname.lastIndexOf('.');
if (period >= pathname.length() - 4)
pathname = pathname.substring(0, period);
int slash = pathname.lastIndexOf('/');
if (slash >= 0) {
pathname = pathname.substring(slash + 1);
}
return expand(host, war, pathname);
}
/**
* Expand the WAR file found at the specified URL into an unpacked
* directory structure, and return the absolute pathname to the expanded
* directory.
*
* @param host Host war is being installed for
* @param war URL of the web application archive to be expanded
* (must start with "jar:")
* @param pathname Context path name for web application
*
* @exception IllegalArgumentException if this is not a "jar:" URL or if the
* WAR file is invalid
* @exception IOException if an input/output error was encountered
* during expansion
*/
public static String expand(Host host, URL war, String pathname)
throws IOException {
// Make sure that there is no such directory already existing
File appBase = new File(host.getAppBase());
if (!appBase.isAbsolute()) {
appBase = new File(System.getProperty("catalina.base"),
host.getAppBase());
}
if (!appBase.exists() || !appBase.isDirectory()) {
String msg = MessageFormat.format(rb.getString(LogFacade.APP_NOT_EXIST_EXCEPTION),
appBase.getAbsolutePath());
throw new IOException(msg);
}
File docBase = new File(appBase, pathname);
if (docBase.exists()) {
// War file is already installed
return (docBase.getAbsolutePath());
}
// Create the new document base directory
if (!docBase.mkdir()) {
String msg = MessageFormat.format(rb.getString(LogFacade.UNABLE_CREATE_DIRECTORY_EXCEPTION),
docBase);
throw new IOException(msg);
}
// Expand the WAR into the new document base directory
String canonicalDocBasePrefix = docBase.getCanonicalPath();
if (!canonicalDocBasePrefix.endsWith(File.separator)) {
canonicalDocBasePrefix += File.separator;
}
JarURLConnection juc = (JarURLConnection) war.openConnection();
juc.setUseCaches(false);
JarFile jarFile = null;
InputStream input = null;
boolean success = false;
try {
jarFile = juc.getJarFile();
Enumeration jarEntries = jarFile.entries();
while (jarEntries.hasMoreElements()) {
JarEntry jarEntry = (JarEntry) jarEntries.nextElement();
String name = jarEntry.getName();
File expandedFile = new File(docBase, name);
if (!expandedFile.getCanonicalPath().startsWith(
canonicalDocBasePrefix)) {
// Trying to expand outside the docBase
// Throw an exception to stop the deployment
String msg = MessageFormat.format(rb.getString(LogFacade.ARCHIVE_IS_MALFORMED_EXCEPTION),
new Object[] {war, name});
throw new IllegalArgumentException(msg);
}
int last = name.lastIndexOf('/');
if (last >= 0) {
File parent = new File(docBase,
name.substring(0, last));
if (!parent.mkdirs() && !parent.isDirectory()) {
String msg = MessageFormat.format(rb.getString(LogFacade.UNABLE_CREATE_DIRECTORY_EXCEPTION),
parent);
throw new IOException(msg);
}
}
if (name.endsWith("/")) {
continue;
}
input = jarFile.getInputStream(jarEntry);
expand(input, expandedFile);
long lastModified = jarEntry.getTime();
if ((lastModified != -1) && (lastModified != 0)) {
if (!expandedFile.setLastModified(lastModified)) {
if (log.isLoggable(Level.WARNING)) {
log.log(Level.WARNING, LogFacade.FAILED_SET_LAST_MODIFIED_TIME_EXCEPTION,
expandedFile.getAbsolutePath());
}
}
}
input.close();
input = null;
}
success = true;
} catch (IOException e) {
throw e;
} finally {
if (!success) {
// If something went wrong, delete expanded dir to keep things
// clean
deleteDir(docBase);
}
if (input != null) {
try {
input.close();
} catch (Throwable t) {
;
}
input = null;
}
if (jarFile != null) {
try {
jarFile.close();
} catch (Throwable t) {
;
}
jarFile = null;
}
}
// Return the absolute path to our new document base directory
return (docBase.getAbsolutePath());
}
/**
* Validate the WAR file found at the specified URL.
*
* @param host Host war is being installed for
* @param war URL of the web application archive to be validated
* (must start with "jar:")
* @param pathname Context path name for web application
*
* @exception IllegalArgumentException if this is not a "jar:" URL or if the
* WAR file is invalid
* @exception IOException if an input/output error was encountered
* during validation
*/
public static void validate(Host host, URL war, String pathname)
throws IOException {
// Make the appBase absolute
File appBase = new File(host.getAppBase());
if (!appBase.isAbsolute()) {
appBase = new File(System.getProperty("catalina.base"),
host.getAppBase());
}
File docBase = new File(appBase, pathname);
// Calculate the document base directory
String canonicalDocBasePrefix = docBase.getCanonicalPath();
if (!canonicalDocBasePrefix.endsWith(File.separator)) {
canonicalDocBasePrefix += File.separator;
}
JarURLConnection juc = (JarURLConnection) war.openConnection();
juc.setUseCaches(false);
JarFile jarFile = null;
try {
jarFile = juc.getJarFile();
Enumeration jarEntries = jarFile.entries();
while (jarEntries.hasMoreElements()) {
JarEntry jarEntry = jarEntries.nextElement();
String name = jarEntry.getName();
File expandedFile = new File(docBase, name);
if (!expandedFile.getCanonicalPath().startsWith(
canonicalDocBasePrefix)) {
// Entry located outside the docBase
// Throw an exception to stop the deployment
String msg = MessageFormat.format(rb.getString(LogFacade.ARCHIVE_IS_MALFORMED_EXCEPTION),
new Object[] {war, name});
throw new IllegalArgumentException(msg);
}
}
} catch (IOException e) {
throw e;
} finally {
if (jarFile != null) {
try {
jarFile.close();
} catch (Throwable t) {
// Ignore
}
jarFile = null;
}
}
}
/**
* Copy the specified file or directory to the destination.
*
* @param src File object representing the source
* @param dest File object representing the destination
*/
public static boolean copy(File src, File dest) {
boolean result = true;
String files[] = null;
if (src.isDirectory()) {
files = src.list();
result = dest.mkdir();
} else {
files = new String[1];
files[0] = "";
}
if (files == null) {
files = new String[0];
}
for (int i = 0; (i < files.length) && result; i++) {
File fileSrc = new File(src, files[i]);
File fileDest = new File(dest, files[i]);
if (fileSrc.isDirectory()) {
result = copy(fileSrc, fileDest);
} else {
FileChannel ic = null;
FileChannel oc = null;
try {
ic = (new FileInputStream(fileSrc)).getChannel();
oc = (new FileOutputStream(fileDest)).getChannel();
ic.transferTo(0, ic.size(), oc);
} catch (IOException e) {
String msg = MessageFormat.format(rb.getString(LogFacade.ERROR_COPYING_EXCEPTION),
new Object[] {fileSrc, fileDest});
log.log(Level.SEVERE, msg, e);
result = false;
} finally {
if (ic != null) {
try {
ic.close();
} catch (IOException e) {
}
}
if (oc != null) {
try {
oc.close();
} catch (IOException e) {
}
}
}
}
}
return result;
}
/**
* Delete the specified directory, including all of its contents and
* sub-directories recursively. Any failure will be logged.
*
* @param dir File object representing the directory to be deleted
*/
public static boolean delete(File dir) {
// Log failure by default
return delete(dir, true);
}
/**
* Delete the specified directory, including all of its contents and
* sub-directories recursively.
*
* @param dir File object representing the directory to be deleted
* @param logFailure true if failure to delete the resource
* should be logged
*/
public static boolean delete(File dir, boolean logFailure) {
boolean result;
if (dir.isDirectory()) {
result = deleteDir(dir, logFailure);
} else {
if (dir.exists()) {
result = dir.delete();
} else {
result = true;
}
}
if (logFailure && !result) {
log.log(Level.SEVERE, LogFacade.DELETE_DIR_EXCEPTION, dir.getAbsolutePath());
}
return result;
}
/**
* Delete the specified directory, including all of its contents and
* sub-directories recursively. Any failure will be logged.
*
* @param dir File object representing the directory to be deleted
*/
public static boolean deleteDir(File dir) {
return deleteDir(dir, true);
}
/**
* Delete the specified directory, including all of its contents and
* sub-directories recursively.
*
* @param dir File object representing the directory to be deleted
* @param logFailure true if failure to delete the resource
* should be logged
*/
public static boolean deleteDir(File dir, boolean logFailure) {
String files[] = dir.list();
if (files == null) {
files = new String[0];
}
for (int i = 0; i < files.length; i++) {
File file = new File(dir, files[i]);
if (file.isDirectory()) {
deleteDir(file, logFailure);
} else {
if (!file.delete() && logFailure) {
log.log(Level.SEVERE, LogFacade.DELETE_DIR_EXCEPTION, file.getAbsolutePath());
}
}
}
boolean result;
if (dir.exists()) {
result = dir.delete();
} else {
result = true;
}
if (logFailure && !result) {
log.log(Level.SEVERE, LogFacade.DELETE_DIR_EXCEPTION, dir.getAbsolutePath());
}
return result;
}
/**
* Expand the specified input stream into the specified directory, creating
* a file named from the specified relative path.
*
* @param input InputStream to be copied
* @param docBase Document base directory into which we are expanding
* @param name Relative pathname of the file to be created
*
* @exception IOException if an input/output error occurs
*
* @deprecated
*/
protected static void expand(InputStream input, File docBase, String name)
throws IOException {
File file = new File(docBase, name);
expand(input, file);
}
/**
* Expand the specified input stream into the specified file.
*
* @param input InputStream to be copied
* @param file The file to be created
*
* @exception IOException if an input/output error occurs
*/
private static void expand(InputStream input, File file)
throws IOException {
BufferedOutputStream output = null;
try {
output =
new BufferedOutputStream(new FileOutputStream(file));
byte buffer[] = new byte[2048];
while (true) {
int n = input.read(buffer);
if (n <= 0)
break;
output.write(buffer, 0, n);
}
} finally {
if (output != null) {
try {
output.close();
} catch (IOException e) {
// Ignore
}
}
}
}
}
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