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[Java-game-lib-cvs] SF.net SVN: java-game-lib: [2951] trunk/LWJGL/src/java/org/lwjgl
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From: <ma...@us...> - 2008-01-21 22:07:50
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Revision: 2951
http://java-game-lib.svn.sourceforge.net/java-game-lib/?rev=2951&view=rev
Author: matzon
Date: 2008-01-21 14:07:48 -0800 (Mon, 21 Jan 2008)
Log Message:
-----------
removing as per request of elias
Removed Paths:
-------------
trunk/LWJGL/src/java/org/lwjgl/test/applet/AppletTest.java
trunk/LWJGL/src/java/org/lwjgl/util/applet/LWJGLInstaller.java
Deleted: trunk/LWJGL/src/java/org/lwjgl/test/applet/AppletTest.java
===================================================================
--- trunk/LWJGL/src/java/org/lwjgl/test/applet/AppletTest.java 2008-01-21 22:03:45 UTC (rev 2950)
+++ trunk/LWJGL/src/java/org/lwjgl/test/applet/AppletTest.java 2008-01-21 22:07:48 UTC (rev 2951)
@@ -1,83 +0,0 @@
-/*
- * Copyright (c) 2006 LWJGL Project
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions are
- * met:
- *
- * * Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- *
- * * Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in the
- * documentation and/or other materials provided with the distribution.
- *
- * * Neither the name of 'LWJGL' nor the names of
- * its contributors may be used to endorse or promote products derived
- * from this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
- * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
- * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
- * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
- * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
- * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
- * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
- * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
- * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
- * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- */
-package org.lwjgl.test.applet;
-
-import java.applet.Applet;
-import java.awt.BorderLayout;
-import java.awt.Canvas;
-
-import org.lwjgl.util.applet.LWJGLInstaller;
-import org.lwjgl.opengl.AWTInputAdapter;
-
-public class AppletTest extends Applet {
-
- Test test = null;
-
- public void destroy() {
- super.destroy();
- System.out.println("*** destroy ***");
- AWTInputAdapter.destroy();
- }
-
- public void start() {
- super.start();
- System.out.println("*** start ***");
- }
-
- public void stop() {
- super.stop();
- System.out.println("*** stop ***");
- test.stop();
- }
-
- public void init() {
- System.out.println("*** init ***");
-
- try {
- LWJGLInstaller.tempInstall();
- } catch (Exception le) {
- /* screwed */
- le.printStackTrace();
- }
-
- setLayout(new BorderLayout());
- try {
- test = (Test) Class.forName(getParameter("test")).newInstance();
- Canvas canvas = (Canvas) test;
- canvas.setSize(getWidth(), getHeight());
- add(canvas);
- } catch (Exception e) {
- e.printStackTrace();
- }
- test.start();
- }
-}
Deleted: trunk/LWJGL/src/java/org/lwjgl/util/applet/LWJGLInstaller.java
===================================================================
--- trunk/LWJGL/src/java/org/lwjgl/util/applet/LWJGLInstaller.java 2008-01-21 22:03:45 UTC (rev 2950)
+++ trunk/LWJGL/src/java/org/lwjgl/util/applet/LWJGLInstaller.java 2008-01-21 22:07:48 UTC (rev 2951)
@@ -1,356 +0,0 @@
-/*
- * Copyright (c) 2006 LWJGL Project
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions are
- * met:
- *
- * * Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- *
- * * Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in the
- * documentation and/or other materials provided with the distribution.
- *
- * * Neither the name of 'LWJGL' nor the names of
- * its contributors may be used to endorse or promote products derived
- * from this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
- * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
- * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
- * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
- * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
- * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
- * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
- * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
- * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
- * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- */
-package org.lwjgl.util.applet;
-
-import java.io.BufferedOutputStream;
-import java.io.ByteArrayInputStream;
-import java.io.ByteArrayOutputStream;
-import java.io.File;
-import java.io.FileFilter;
-import java.io.FileOutputStream;
-import java.io.IOException;
-import java.io.InputStream;
-import java.io.OutputStream;
-import java.security.AccessController;
-import java.security.PrivilegedAction;
-import java.security.PrivilegedExceptionAction;
-import java.security.cert.Certificate;
-import java.util.HashMap;
-import java.util.Iterator;
-import java.util.jar.JarEntry;
-import java.util.Enumeration;
-import java.util.jar.JarFile;
-
-import org.lwjgl.LWJGLUtil;
-
-/**
- * <p>
- * Installer class for installing LWJGL temporarily into a temp directory.
- * This class is used for installing LWJGL for use with applets.
- * </p>
- * @author Brian Matzon <br...@ma...>
- * @version $Revision$
- * $Id$
- */
-public class LWJGLInstaller {
- /** Whether the installer has been called */
- private static boolean installed;
-
- /** Directory all lwjgl installations go into */
- private static final String MASTER_INSTALL_DIR = ".lwjglinstall";
-
- /** Name of file that we use to tag 'live' installations */
- private static final String WATERMARK_FILE = ".lwjglinuse";
-
- /** Name of the native jar we're expected to load and install */
- private static final String NATIVES_PLATFORM_JAR = "/" + LWJGLUtil.getPlatformName() + "_natives.jar";
-
- private LWJGLInstaller() {
- /* Unused */
- }
-
- /**
- * Create a temporary installation of LWJGL.
- * This will extract the relevant native files (for the platform) into
- * the user's temp directory, and instruct the LWJGL subsystem to load its
- * native files from there.
- * The file required by the installer, is gotten from the classloader via its
- * getResource command, and is expected to be named <windows | linux | macosx>_natives.jar.
- * Note: Due to the nature of native libraries, we cannot actually uninstall the currently
- * loaded files, but rather the "last" installed. This means that the most recent install of LWJGL
- * will always be present in the users temp dir. When invoking the tempInstall method, all old installations
- * will be uninstalled first.
- *
- * @see java.lang.ClassLoader#getResource(String)
- */
- public synchronized static void tempInstall() throws Exception {
- // only need to install once
- if (installed) {
- return;
- }
-
- try {
- // Validate the certificates of the platform native jar
- HashMap files = (HashMap)
- AccessController.doPrivileged(new PrivilegedExceptionAction() {
- public Object run() throws Exception {
- return validateCertificates();
- }
- });
-
- AccessController.doPrivileged(new PrivilegedAction() {
- public Object run() {
- uninstall();
- return null;
- }
- });
-
- // create a temporary dir for the native files
- String user_temp_dir = getPriviledgedString("java.io.tmpdir");
- final String path = createTemporaryDir(user_temp_dir);
-
- // extract natives from jar
- writeFiles(files, path);
-
- AccessController.doPrivileged(new PrivilegedAction() {
- public Object run() {
- System.setProperty("org.lwjgl.librarypath", path);
- // Make sure jinput knows about the new path too
- System.setProperty("net.java.games.input.librarypath", path);
- return null;
- }
- });
-
- installed = true;
- } catch (Exception e) {
- LWJGLUtil.log("Failed extraction e = " + e.getMessage());
- uninstall();
- throw e;
- }
- }
-
- /**
- * Validates the certificates of the native libraries.
- * When installing native libraries, it is imperative that we also check the certficates.
- * The reson for this, is that a user may inject a malicious jar to the classpath
- * before the "real" LWJGL jar, containing native libraries with unwanted code.
- * By forcing all the native libraries to have the same certificate as the signed
- * installer, we can also be sure that the native libraries indeed are correct.
- * @throws Exception If we encounter a certificate mismatch
- */
- private static HashMap validateCertificates() throws Exception {
- // get our certificate chain
- Certificate[] ownCerts = LWJGLInstaller.class.getProtectionDomain().getCodeSource().getCertificates();
- if(ownCerts == null || ownCerts.length == 0) {
- throw new Exception("Unable to get certificate chain for LWJGLInstaller");
- }
-
- // check that each of the entries in the jar is signed by same certificate as LWJGLInstaller
- InputStream is = LWJGLInstaller.class.getResourceAsStream(NATIVES_PLATFORM_JAR);
- if(is == null) {
- throw new Exception("Unable to open " + NATIVES_PLATFORM_JAR + ", which was expected to be on the classpath");
- }
-
- /* Copy the jar containing the natives to a tmp file and unpack and verify it from there.
- * A better way would have been to use JarInputStream, but there's a bug with JIS and
- * JarEntry.getCertificates() on java 1.5 (bug id. 6284489, duplicate id: 6348368).
- * JarEntry.getCodeSigners() does work on java 1.5 with JIS, but that API was introduced
- * in 1.5, and can't be relied upon for java 1.4.
- */
- File tmp_jar_file = File.createTempFile("lwjgl", ".jar");
- copyFile(is, new FileOutputStream(tmp_jar_file));
- is.close();
-
- JarFile jar_file = new JarFile(tmp_jar_file);
-
- JarEntry native_entry;
- HashMap files = new HashMap();
- Enumeration jar_entries = jar_file.entries();
- while (jar_entries.hasMoreElements()) {
- native_entry = (JarEntry)jar_entries.nextElement();
- // skip directories and anything in directories
- // conveniently ignores the manifest
- if(native_entry.isDirectory() || native_entry.getName().indexOf('/') != -1) {
- continue;
- }
-
- // need to read the file, before the certificate is retrievable
- // since we dont want to do two reads, we store it in memory for later use
- ByteArrayOutputStream baos = new ByteArrayOutputStream();
- InputStream jis = jar_file.getInputStream(native_entry);
- copyFile(jis, baos);
- files.put(native_entry.getName(), baos.toByteArray());
-
- // now check the chain of an actual file
- validateCertificateChain(ownCerts, native_entry.getCertificates());
- }
-
- return files;
- }
-
- /**
- * Validates the certificate chain for a single file
- * @param ownCerts Chain of certificates to check against
- * @param native_certs Chain of certificates to check
- * @return true if the chains match
- */
- private static void validateCertificateChain(Certificate[] ownCerts, Certificate[] native_certs) throws Exception {
- if(native_certs == null)
- throw new Exception("Unable to validate certificate chain. Native entry did not have a certificate chain at all");
-
- if(ownCerts.length != native_certs.length)
- throw new Exception("Unable to validate certificate chain. Chain differs in length [" + ownCerts.length + " vs " + native_certs.length + "]");
-
- for(int i=0; i<ownCerts.length; i++) {
- if(!ownCerts[i].equals(native_certs[i])) {
- throw new Exception("Certificate mismatch: " + ownCerts[i] + " != " + native_certs[i]);
- }
- }
- }
-
- /**
- * Extracts a file in the classpath to a specified dir
- *
- * @param file File to extract
- * @param path Path to extract to
- */
- private static void writeFiles(final HashMap files, final String path) throws Exception {
- AccessController.doPrivileged(new PrivilegedExceptionAction() {
- public Object run() throws IOException {
- for(Iterator i = files.keySet().iterator(); i.hasNext();) {
- String key = (String) i.next();
- File out = new File(path + File.separator + key);
- out.createNewFile();
- InputStream is = new ByteArrayInputStream((byte[]) files.get(key));
- OutputStream os = new BufferedOutputStream(new FileOutputStream(out));
- copyFile(is, os);
- is.close();
- }
- return null;
- }
- });
- }
-
- /**
- * Copies an inputstream to an outputstream
- * @param is InputStream to read from
- * @param os OutputStream to write to
- * @throws IOException if the copy process fail in any way
- */
- private static void copyFile(InputStream is, OutputStream os) throws IOException {
- byte[] copy_buffer = new byte[4096];
-
- int len;
- while ((len = is.read(copy_buffer)) > 0) {
- os.write(copy_buffer, 0, len);
- }
-
- os.close();
- }
-
- /**
- * Creates the temporary dir to store lwjgl files in.
- * The temporary dir will be created in a subdirectory of '.lwjglinstall' in
- * the users temp dir. The subdirectory will be named the current time in milliseconds.
- * A watermark file called '.lwjglinuse' will also be created in the directory.
- * @return Name of temp directory or null if directory creation failed
- */
- private static String createTemporaryDir(final String user_temp_dir) throws Exception {
- return (String) AccessController.doPrivileged(new PrivilegedExceptionAction() {
- public Object run() throws Exception {
- // create the temp directory
- File tempDir = new File(user_temp_dir + File.separator + MASTER_INSTALL_DIR + File.separator + System.currentTimeMillis());
- if(!tempDir.mkdirs()) {
- throw new IOException("Failed to create directory: " + tempDir);
- }
-
- // add the watermark file
- // TODO: Write some info to the file ?
- File watermark = new File(tempDir.getAbsolutePath() + File.separator + WATERMARK_FILE);
- watermark.createNewFile();
- watermark.deleteOnExit();
- return tempDir.getAbsolutePath();
- }
- });
- }
-
-
- /**
- * Gets a property as a privileged action.
- */
- private static String getPriviledgedString(final String property) {
- return (String) AccessController.doPrivileged(new PrivilegedAction() {
- public Object run() {
- return System.getProperty(property);
- }
- });
- }
-
- /**
- * Uninstalls any PREVIOUS installations
- * We cannot uninstall the current installation, since the files are locked
- * by the VM.
- */
- private static void uninstall() {
- LWJGLUtil.log("running LWJGL uninstaller");
-
- // locate all installer dirs and uninstall them
- AccessController.doPrivileged(new PrivilegedAction() {
- public Object run() {
- String temp = System.getProperty("java.io.tmpdir");
- File tempDir = new File(temp + File.separator + MASTER_INSTALL_DIR);
- File[] files = tempDir.listFiles(new FileFilter() {
-
- /*
- * @see java.io.FileFilter#accept(java.io.File)
- */
- public boolean accept(File pathname) {
- return isStale(pathname);
- }
-
- /**
- * Checks whether the specified directory is an install directory.
- * This is done by checking for the watermark file
- * @param directory Directory to check
- * @return true if the directory is an install directory
- */
- private boolean isStale(File directory) {
- File installFile = new File(directory.getAbsolutePath() + File.separator + WATERMARK_FILE);
- return !installFile.exists();
- }
-
- });
-
- if (files != null) {
- // uninstall each of the dirs
- for (int i = 0; i < files.length; i++) {
- uninstall(files[i]);
- }
- }
- return null;
- }
- });
- }
-
- /**
- * Uninstall LWJGL from a directory. This deletes all the files in the directory
- * and deletes the directory too.
- * @param file directory to uninstall LWJGL from
- */
- private static void uninstall(File file) {
- File[] files = file.listFiles();
- for (int i = 0; i < files.length; i++) {
- files[i].delete();
- }
- file.delete();
- }
-}
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