/* */ package net.minecraft;
/* */
/* */ import java.applet.Applet;
/* */ import java.io.DataInputStream;
/* */ import java.io.DataOutputStream;
/* */ import java.io.File;
/* */ import java.io.FileInputStream;
/* */ import java.io.FileOutputStream;
/* */ import java.io.FilePermission;
/* */ import java.io.IOException;
/* */ import java.io.InputStream;
/* */ import java.io.OutputStream;
/* */ import java.io.PrintStream;
/* */ import java.io.PrintWriter;
/* */ import java.io.StringWriter;
/* */ import java.io.Writer;
/* */ import java.lang.reflect.Constructor;
/* */ import java.lang.reflect.Field;
/* */ import java.lang.reflect.Method;
/* */ import java.net.HttpURLConnection;
/* */ import java.net.JarURLConnection;
/* */ import java.net.SocketPermission;
/* */ import java.net.URI;
/* */ import java.net.URL;
/* */ import java.net.URLClassLoader;
/* */ import java.net.URLConnection;
/* */ import java.security.AccessControlException;
/* */ import java.security.AccessController;
/* */ import java.security.CodeSource;
/* */ import java.security.PermissionCollection;
/* */ import java.security.PrivilegedExceptionAction;
/* */ import java.security.ProtectionDomain;
/* */ import java.security.SecureClassLoader;
/* */ import java.security.cert.Certificate;
/* */ import java.util.Enumeration;
/* */ import java.util.StringTokenizer;
/* */ import java.util.Vector;
/* */ import java.util.jar.JarEntry;
/* */ import java.util.jar.JarFile;
/* */ import java.util.jar.JarOutputStream;
/* */ import java.util.jar.Pack200;
/* */ import java.util.jar.Pack200.Unpacker;
/* */
/* */ public class GameUpdater
/* */ implements Runnable
/* */ {
/* */ public static final int STATE_INIT = 1;
/* */ public static final int STATE_DETERMINING_PACKAGES = 2;
/* */ public static final int STATE_CHECKING_CACHE = 3;
/* */ public static final int STATE_DOWNLOADING = 4;
/* */ public static final int STATE_EXTRACTING_PACKAGES = 5;
/* */ public static final int STATE_UPDATING_CLASSPATH = 6;
/* */ public static final int STATE_SWITCHING_APPLET = 7;
/* */ public static final int STATE_INITIALIZE_REAL_APPLET = 8;
/* */ public static final int STATE_START_REAL_APPLET = 9;
/* */ public static final int STATE_DONE = 10;
/* */ public int percentage;
/* */ public int currentSizeDownload;
/* */ public int totalSizeDownload;
/* */ public int currentSizeExtract;
/* */ public int totalSizeExtract;
/* */ protected URL[] urlList;
/* */ private static ClassLoader classLoader;
/* */ protected Thread loaderThread;
/* */ protected Thread animationThread;
/* */ public boolean fatalError;
/* */ public String fatalErrorDescription;
/* 80 */ protected String subtaskMessage = "";
/* 81 */ protected int state = 1;
/* */
/* 83 */ protected boolean lzmaSupported = false;
/* 84 */ protected boolean pack200Supported = false;
/* */
/* 86 */ protected String[] genericErrorMessage = { "An error occured while loading the applet.", "Please contact support to resolve this issue.", "<placeholder for error message>" };
/* */ protected boolean certificateRefused;
/* 90 */ protected String[] certificateRefusedMessage = { "Permissions for Applet Refused.", "Please accept the permissions dialog to allow", "the applet to continue the loading process." };
/* */
/* 92 */ protected static boolean natives_loaded = false;
/* */ private String latestVersion;
/* */ private String mainGameUrl;
/* */
/* */ public GameUpdater(String latestVersion, String mainGameUrl)
/* */ {
/* 97 */ this.latestVersion = latestVersion;
/* 98 */ this.mainGameUrl = mainGameUrl;
/* */ }
/* */
/* */ public void init() {
/* 102 */ this.state = 1;
/* */ try
/* */ {
/* 105 */ Class.forName("LZMA.LzmaInputStream");
/* 106 */ this.lzmaSupported = true;
/* */ }
/* */ catch (Throwable localThrowable) {
/* */ }
/* */ try {
/* 111 */ Pack200.class.getSimpleName();
/* 112 */ this.pack200Supported = true;
/* */ } catch (Throwable localThrowable1) {
/* */ }
/* */ }
/* */
/* */ private String generateStacktrace(Exception exception) {
/* 118 */ Writer result = new StringWriter();
/* 119 */ PrintWriter printWriter = new PrintWriter(result);
/* 120 */ exception.printStackTrace(printWriter);
/* 121 */ return result.toString();
/* */ }
/* */
/* */ protected String getDescriptionForState()
/* */ {
/* 129 */ switch (this.state) {
/* */ case 1:
/* 131 */ return "Initializing loader";
/* */ case 2:
/* 133 */ return "Determining packages to load";
/* */ case 3:
/* 135 */ return "Checking cache for existing files";
/* */ case 4:
/* 137 */ return "Downloading packages";
/* */ case 5:
/* 139 */ return "Extracting downloaded packages";
/* */ case 6:
/* 141 */ return "Updating classpath";
/* */ case 7:
/* 143 */ return "Switching applet";
/* */ case 8:
/* 145 */ return "Initializing real applet";
/* */ case 9:
/* 147 */ return "Starting real applet";
/* */ case 10:
/* 149 */ return "Done loading";
/* */ }
/* 151 */ return "unknown state";
/* */ }
/* */
/* */ protected String trimExtensionByCapabilities(String file)
/* */ {
/* 156 */ if (!this.pack200Supported) {
/* 157 */ file = file.replaceAll(".pack", "");
/* */ }
/* */
/* 160 */ if (!this.lzmaSupported) {
/* 161 */ file = file.replaceAll(".lzma", "");
/* */ }
/* 163 */ return file;
/* */ }
/* */
/* */ protected void loadJarURLs() throws Exception {
/* 167 */ this.state = 2;
/* 168 */ String jarList = "lwjgl.jar, jinput.jar, lwjgl_util.jar, " + this.mainGameUrl;
/* 169 */ jarList = trimExtensionByCapabilities(jarList);
/* */
/* 171 */ StringTokenizer jar = new StringTokenizer(jarList, ", ");
/* 172 */ int jarCount = jar.countTokens() + 1;
/* */
/* 174 */ this.urlList = new URL[jarCount];
/* */
/* 176 */ URL path = new URL("http://s3.amazonaws.com/MinecraftDownload/");
/* */
/* 178 */ for (int i = 0; i < jarCount - 1; i++) {
/* 179 */ this.urlList[i] = new URL(path, jar.nextToken());
/* */ }
/* */
/* 182 */ String osName = System.getProperty("os.name");
/* 183 */ String nativeJar = null;
/* */
/* 185 */ if (osName.startsWith("Win"))
/* 186 */ nativeJar = "windows_natives.jar.lzma";
/* 187 */ else if (osName.startsWith("Linux"))
/* 188 */ nativeJar = "linux_natives.jar.lzma";
/* 189 */ else if (osName.startsWith("Mac"))
/* 190 */ nativeJar = "macosx_natives.jar.lzma";
/* 191 */ else if ((osName.startsWith("Solaris")) || (osName.startsWith("SunOS")))
/* 192 */ nativeJar = "solaris_natives.jar.lzma";
/* */ else {
/* 194 */ fatalErrorOccured("OS (" + osName + ") not supported", null);
/* */ }
/* */
/* 197 */ if (nativeJar == null) {
/* 198 */ fatalErrorOccured("no lwjgl natives files found", null);
/* */ } else {
/* 200 */ nativeJar = trimExtensionByCapabilities(nativeJar);
/* 201 */ this.urlList[(jarCount - 1)] = new URL(path, nativeJar);
/* */ }
/* */ }
/* */
/* */ public void run()
/* */ {
/* 207 */ init();
/* 208 */ this.state = 3;
/* */
/* 210 */ this.percentage = 5;
/* */ try
/* */ {
/* 213 */ loadJarURLs();
/* */
/* 215 */ String path = (String)AccessController.doPrivileged(new PrivilegedExceptionAction() {
/* */ public Object run() throws Exception {
/* 217 */ return Util.getWorkingDirectory() + File.separator + "bin" + File.separator;
/* */ }
/* */ });
/* 221 */ File dir = new File(path);
/* */
/* 223 */ if (!dir.exists()) {
/* 224 */ dir.mkdirs();
/* */ }
/* */
/* 227 */ if (this.latestVersion != null) {
/* 228 */ File versionFile = new File(dir, "version");
/* */
/* 230 */ boolean cacheAvailable = false;
/* 231 */ if ((versionFile.exists()) && (
/* 232 */ (this.latestVersion.equals("-1")) || (this.latestVersion.equals(readVersionFile(versionFile))))) {
/* 233 */ cacheAvailable = true;
/* 234 */ this.percentage = 90;
/* */ }
/* */
/* 238 */ if (!cacheAvailable) {
/* 239 */ downloadJars(path);
/* 240 */ extractJars(path);
/* 241 */ extractNatives(path);
/* */
/* 243 */ if (this.latestVersion != null) {
/* 244 */ this.percentage = 90;
/* 245 */ writeVersionFile(versionFile, this.latestVersion);
/* */ }
/* */ }
/* */ }
/* */
/* 250 */ updateClassPath(dir);
/* 251 */ this.state = 10;
/* */ } catch (AccessControlException ace) {
/* 253 */ fatalErrorOccured(ace.getMessage(), ace);
/* 254 */ this.certificateRefused = true;
/* */ } catch (Exception e) {
/* 256 */ fatalErrorOccured(e.getMessage(), e);
/* */ } finally {
/* 258 */ this.loaderThread = null;
/* */ }
/* */ }
/* */
/* */ protected String readVersionFile(File file) throws Exception {
/* 263 */ DataInputStream dis = new DataInputStream(new FileInputStream(file));
/* 264 */ String version = dis.readUTF();
/* 265 */ dis.close();
/* 266 */ return version;
/* */ }
/* */
/* */ protected void writeVersionFile(File file, String version) throws Exception {
/* 270 */ DataOutputStream dos = new DataOutputStream(new FileOutputStream(file));
/* 271 */ dos.writeUTF(version);
/* 272 */ dos.close();
/* */ }
/* */
/* */ protected void updateClassPath(File dir)
/* */ throws Exception
/* */ {
/* 278 */ this.state = 6;
/* */
/* 280 */ this.percentage = 95;
/* */
/* 282 */ URL[] urls = new URL[this.urlList.length];
/* 283 */ for (int i = 0; i < this.urlList.length; i++) {
/* 284 */ urls[i] = new File(dir, getJarName(this.urlList[i])).toURI().toURL();
/* */ }
/* */
/* 287 */ if (classLoader == null) {
/* 288 */ classLoader = new URLClassLoader(urls) {
/* */ protected PermissionCollection getPermissions(CodeSource codesource) {
/* 290 */ PermissionCollection perms = null;
/* */ try
/* */ {
/* 294 */ Method method = SecureClassLoader.class.getDeclaredMethod("getPermissions", new Class[] { CodeSource.class });
/* 295 */ method.setAccessible(true);
/* 296 */ perms = (PermissionCollection)method.invoke(getClass().getClassLoader(), new Object[] { codesource });
/* */
/* 298 */ String host = "www.minecraft.net";
/* */
/* 300 */ if ((host != null) && (host.length() > 0))
/* */ {
/* 302 */ perms.add(new SocketPermission(host, "connect,accept"));
/* */ } else codesource.getLocation().getProtocol().equals("file");
/* */
/* 306 */ perms.add(new FilePermission("<<ALL FILES>>", "read"));
/* */ }
/* */ catch (Exception e) {
/* 309 */ e.printStackTrace();
/* */ }
/* */
/* 312 */ return perms;
/* */ }
/* */ };
/* */ }
/* 317 */ String path = dir.getAbsolutePath();
/* 318 */ if (!path.endsWith(File.separator)) path = path + File.separator;
/* 319 */ unloadNatives(path);
/* */
/* 321 */ System.setProperty("org.lwjgl.librarypath", path + "natives");
/* 322 */ System.setProperty("net.java.games.input.librarypath", path + "natives");
/* */
/* 324 */ natives_loaded = true;
/* */ }
/* */
/* */ private void unloadNatives(String nativePath)
/* */ {
/* 329 */ if (!natives_loaded) {
/* 330 */ return;
/* */ }
/* */ try
/* */ {
/* 334 */ Field field = ClassLoader.class.getDeclaredField("loadedLibraryNames");
/* 335 */ field.setAccessible(true);
/* 336 */ Vector libs = (Vector)field.get(getClass().getClassLoader());
/* */
/* 338 */ String path = new File(nativePath).getCanonicalPath();
/* */
/* 340 */ for (int i = 0; i < libs.size(); i++) {
/* 341 */ String s = (String)libs.get(i);
/* */
/* 343 */ if (s.startsWith(path)) {
/* 344 */ libs.remove(i);
/* 345 */ i--;
/* */ }
/* */ }
/* */ } catch (Exception e) {
/* 349 */ e.printStackTrace();
/* */ }
/* */ }
/* */
/* */ public Applet createApplet() throws ClassNotFoundException, InstantiationException, IllegalAccessException
/* */ {
/* 355 */ Class appletClass = classLoader.loadClass("net.minecraft.client.MinecraftApplet");
/* 356 */ return (Applet)appletClass.newInstance();
/* */ }
/* */
/* */ protected void downloadJars(String path)
/* */ throws Exception
/* */ {
/* 384 */ this.state = 4;
/* */
/* 389 */ int[] fileSizes = new int[this.urlList.length];
/* */
/* 392 */ for (int i = 0; i < this.urlList.length; i++) {
/* 393 */ System.out.println(this.urlList[i]);
/* 394 */ URLConnection urlconnection = this.urlList[i].openConnection();
/* 395 */ urlconnection.setDefaultUseCaches(false);
/* 396 */ if ((urlconnection instanceof HttpURLConnection)) {
/* 397 */ ((HttpURLConnection)urlconnection).setRequestMethod("HEAD");
/* */ }
/* 399 */ fileSizes[i] = urlconnection.getContentLength();
/* 400 */ this.totalSizeDownload += fileSizes[i];
/* */ }
/* */
/* 403 */ int initialPercentage = this.percentage = 10;
/* */
/* 406 */ byte[] buffer = new byte[65536];
/* 407 */ for (int i = 0; i < this.urlList.length; i++)
/* */ {
/* 409 */ int unsuccessfulAttempts = 0;
/* 410 */ int maxUnsuccessfulAttempts = 3;
/* 411 */ boolean downloadFile = true;
/* */
/* 414 */ while (downloadFile) {
/* 415 */ downloadFile = false;
/* */
/* 417 */ URLConnection urlconnection = this.urlList[i].openConnection();
/* */
/* 419 */ if ((urlconnection instanceof HttpURLConnection)) {
/* 420 */ urlconnection.setRequestProperty("Cache-Control", "no-cache");
/* 421 */ urlconnection.connect();
/* */ }
/* */
/* 424 */ String currentFile = getFileName(this.urlList[i]);
/* 425 */ InputStream inputstream = getJarInputStream(currentFile, urlconnection);
/* 426 */ FileOutputStream fos = new FileOutputStream(path + currentFile);
/* */
/* 430 */ long downloadStartTime = System.currentTimeMillis();
/* 431 */ int downloadedAmount = 0;
/* 432 */ int fileSize = 0;
/* 433 */ String downloadSpeedMessage = "";
/* */ int bufferSize;
/* 435 */ while ((bufferSize = inputstream.read(buffer, 0, buffer.length)) != -1)
/* */ {
/* 436 */ fos.write(buffer, 0, bufferSize);
/* 437 */ this.currentSizeDownload += bufferSize;
/* 438 */ fileSize += bufferSize;
/* 439 */ this.percentage = (initialPercentage + this.currentSizeDownload * 45 / this.totalSizeDownload);
/* 440 */ this.subtaskMessage = ("Retrieving: " + currentFile + " " + this.currentSizeDownload * 100 / this.totalSizeDownload + "%");
/* */
/* 442 */ downloadedAmount += bufferSize;
/* 443 */ long timeLapse = System.currentTimeMillis() - downloadStartTime;
/* */
/* 445 */ if (timeLapse >= 1000L)
/* */ {
/* 447 */ float downloadSpeed = downloadedAmount / (float)timeLapse;
/* */
/* 449 */ downloadSpeed = (int)(downloadSpeed * 100.0F) / 100.0F;
/* */
/* 451 */ downloadSpeedMessage = " @ " + downloadSpeed + " KB/sec";
/* */
/* 453 */ downloadedAmount = 0;
/* */
/* 455 */ downloadStartTime += 1000L;
/* */ }
/* */
/* 458 */ this.subtaskMessage += downloadSpeedMessage;
/* */ }
/* */
/* 461 */ inputstream.close();
/* 462 */ fos.close();
/* */
/* 465 */ if ((!(urlconnection instanceof HttpURLConnection)) ||
/* 466 */ (fileSize == fileSizes[i]))
/* */ continue;
/* 468 */ if (fileSizes[i] <= 0)
/* */ {
/* */ continue;
/* */ }
/* 472 */ unsuccessfulAttempts++;
/* */
/* 474 */ if (unsuccessfulAttempts < maxUnsuccessfulAttempts) {
/* 475 */ downloadFile = true;
/* 476 */ this.currentSizeDownload -= fileSize;
/* */ }
/* */ else {
/* 479 */ throw new Exception("failed to download " + currentFile);
/* */ }
/* */ }
/* */
/* */ }
/* */
/* 485 */ this.subtaskMessage = "";
/* */ }
/* */
/* */ protected InputStream getJarInputStream(String currentFile, final URLConnection urlconnection)
/* */ throws Exception
/* */ {
/* 496 */ final InputStream[] is = new InputStream[1];
/* */
/* 500 */ for (int j = 0; (j < 3) && (is[0] == null); j++) {
/* 501 */ Thread t = new Thread() {
/* */ public void run() {
/* */ try {
/* 504 */ is[0] = urlconnection.getInputStream();
/* */ }
/* */ catch (IOException localIOException)
/* */ {
/* */ }
/* */ }
/* */ };
/* 510 */ t.setName("JarInputStreamThread");
/* 511 */ t.start();
/* */
/* 513 */ int iterationCount = 0;
/* 514 */ while ((is[0] == null) && (iterationCount++ < 5)) {
/* */ try {
/* 516 */ t.join(1000L);
/* */ }
/* */ catch (InterruptedException localInterruptedException)
/* */ {
/* */ }
/* */ }
/* 522 */ if (is[0] != null) continue;
/* */ try {
/* 524 */ t.interrupt();
/* 525 */ t.join();
/* */ }
/* */ catch (InterruptedException localInterruptedException1)
/* */ {
/* */ }
/* */ }
/* */
/* 532 */ if (is[0] == null) {
/* 533 */ if (currentFile.equals("minecraft.jar")) {
/* 534 */ throw new Exception("Unable to download " + currentFile);
/* */ }
/* 536 */ throw new Exception("Unable to download " + currentFile);
/* */ }
/* */
/* 541 */ return is[0];
/* */ }
/* */
/* */ protected void extractLZMA(String in, String out)
/* */ throws Exception
/* */ {
/* 553 */ File f = new File(in);
/* 554 */ FileInputStream fileInputHandle = new FileInputStream(f);
/* */
/* 557 */ Class clazz = Class.forName("LZMA.LzmaInputStream");
/* 558 */ Constructor constructor = clazz.getDeclaredConstructor(new Class[] { InputStream.class });
/* 559 */ InputStream inputHandle = (InputStream)constructor.newInstance(new Object[] { fileInputHandle });
/* */
/* 562 */ OutputStream outputHandle = new FileOutputStream(out);
/* */
/* 564 */ byte[] buffer = new byte[16384];
/* */
/* 566 */ int ret = inputHandle.read(buffer);
/* 567 */ while (ret >= 1) {
/* 568 */ outputHandle.write(buffer, 0, ret);
/* 569 */ ret = inputHandle.read(buffer);
/* */ }
/* */
/* 572 */ inputHandle.close();
/* 573 */ outputHandle.close();
/* */
/* 575 */ outputHandle = null;
/* 576 */ inputHandle = null;
/* */
/* 579 */ f.delete();
/* */ }
/* */
/* */ protected void extractPack(String in, String out)
/* */ throws Exception
/* */ {
/* 590 */ File f = new File(in);
/* 591 */ FileOutputStream fostream = new FileOutputStream(out);
/* 592 */ JarOutputStream jostream = new JarOutputStream(fostream);
/* */
/* 594 */ Pack200.Unpacker unpacker = Pack200.newUnpacker();
/* 595 */ unpacker.unpack(f, jostream);
/* 596 */ jostream.close();
/* */
/* 599 */ f.delete();
/* */ }
/* */
/* */ protected void extractJars(String path)
/* */ throws Exception
/* */ {
/* 609 */ this.state = 5;
/* */
/* 611 */ float increment = 10.0F / this.urlList.length;
/* */
/* 613 */ for (int i = 0; i < this.urlList.length; i++) {
/* 614 */ this.percentage = (55 + (int)(increment * (i + 1)));
/* 615 */ String filename = getFileName(this.urlList[i]);
/* */
/* 617 */ if (filename.endsWith(".pack.lzma")) {
/* 618 */ this.subtaskMessage = ("Extracting: " + filename + " to " + filename.replaceAll(".lzma", ""));
/* 619 */ extractLZMA(path + filename, path + filename.replaceAll(".lzma", ""));
/* */
/* 621 */ this.subtaskMessage = ("Extracting: " + filename.replaceAll(".lzma", "") + " to " + filename.replaceAll(".pack.lzma", ""));
/* 622 */ extractPack(path + filename.replaceAll(".lzma", ""), path + filename.replaceAll(".pack.lzma", ""));
/* 623 */ } else if (filename.endsWith(".pack")) {
/* 624 */ this.subtaskMessage = ("Extracting: " + filename + " to " + filename.replace(".pack", ""));
/* 625 */ extractPack(path + filename, path + filename.replace(".pack", ""));
/* 626 */ } else if (filename.endsWith(".lzma")) {
/* 627 */ this.subtaskMessage = ("Extracting: " + filename + " to " + filename.replace(".lzma", ""));
/* 628 */ extractLZMA(path + filename, path + filename.replace(".lzma", ""));
/* */ }
/* */ }
/* */ }
/* */
/* */ protected void extractNatives(String path) throws Exception
/* */ {
/* 635 */ this.state = 5;
/* */
/* 637 */ int initialPercentage = this.percentage;
/* */
/* 639 */ String nativeJar = getJarName(this.urlList[(this.urlList.length - 1)]);
/* */
/* 641 */ Certificate[] certificate = Launcher.class.getProtectionDomain().getCodeSource().getCertificates();
/* */
/* 643 */ if (certificate == null) {
/* 644 */ URL location = Launcher.class.getProtectionDomain().getCodeSource().getLocation();
/* */
/* 646 */ JarURLConnection jurl = (JarURLConnection)new URL("jar:" + location.toString() + "!/net/minecraft/Launcher.class").openConnection();
/* 647 */ jurl.setDefaultUseCaches(true);
/* */ try {
/* 649 */ certificate = jurl.getCertificates();
/* */ }
/* */ catch (Exception localException)
/* */ {
/* */ }
/* */ }
/* 655 */ File nativeFolder = new File(path + "natives");
/* 656 */ if (!nativeFolder.exists()) {
/* 657 */ nativeFolder.mkdir();
/* */ }
/* */
/* 660 */ JarFile jarFile = new JarFile(path + nativeJar, true);
/* 661 */ Enumeration entities = jarFile.entries();
/* */
/* 663 */ this.totalSizeExtract = 0;
/* */
/* 666 */ while (entities.hasMoreElements()) {
/* 667 */ JarEntry entry = (JarEntry)entities.nextElement();
/* */
/* 671 */ if ((entry.isDirectory()) || (entry.getName().indexOf('/') != -1)) {
/* */ continue;
/* */ }
/* 674 */ this.totalSizeExtract = (int)(this.totalSizeExtract + entry.getSize());
/* */ }
/* */
/* 677 */ this.currentSizeExtract = 0;
/* */
/* 679 */ entities = jarFile.entries();
/* */
/* 681 */ while (entities.hasMoreElements()) {
/* 682 */ JarEntry entry = (JarEntry)entities.nextElement();
/* */
/* 684 */ if ((entry.isDirectory()) || (entry.getName().indexOf('/') != -1))
/* */ {
/* */ continue;
/* */ }
/* 688 */ File f = new File(path + "natives" + File.separator + entry.getName());
/* 689 */ if ((f.exists()) &&
/* 690 */ (!f.delete()))
/* */ {
/* */ continue;
/* */ }
/* */
/* 695 */ InputStream in = jarFile.getInputStream(jarFile.getEntry(entry.getName()));
/* 696 */ OutputStream out = new FileOutputStream(path + "natives" + File.separator + entry.getName());
/* */
/* 699 */ byte[] buffer = new byte[65536];
/* */ int bufferSize;
/* 701 */ while ((bufferSize = in.read(buffer, 0, buffer.length)) != -1)
/* */ {
/* 702 */ out.write(buffer, 0, bufferSize);
/* 703 */ this.currentSizeExtract += bufferSize;
/* */
/* 705 */ this.percentage = (initialPercentage + this.currentSizeExtract * 20 / this.totalSizeExtract);
/* 706 */ this.subtaskMessage = ("Extracting: " + entry.getName() + " " + this.currentSizeExtract * 100 / this.totalSizeExtract + "%");
/* */ }
/* */
/* 709 */ validateCertificateChain(certificate, entry.getCertificates());
/* */
/* 711 */ in.close();
/* 712 */ out.close();
/* */ }
/* 714 */ this.subtaskMessage = "";
/* */
/* 716 */ jarFile.close();
/* */
/* 718 */ File f = new File(path + nativeJar);
/* 719 */ f.delete();
/* */ }
/* */
/* */ protected static void validateCertificateChain(Certificate[] ownCerts, Certificate[] native_certs)
/* */ throws Exception
/* */ {
/* 729 */ if (ownCerts == null) return;
/* 730 */ if (native_certs == null) throw new Exception("Unable to validate certificate chain. Native entry did not have a certificate chain at all");
/* */
/* 732 */ if (ownCerts.length != native_certs.length) throw new Exception("Unable to validate certificate chain. Chain differs in length [" + ownCerts.length + " vs " + native_certs.length + "]");
/* */
/* 734 */ for (int i = 0; i < ownCerts.length; i++)
/* 735 */ if (!ownCerts[i].equals(native_certs[i]))
/* 736 */ throw new Exception("Certificate mismatch: " + ownCerts[i] + " != " + native_certs[i]);
/* */ }
/* */
/* */ protected String getJarName(URL url)
/* */ {
/* 742 */ String fileName = url.getFile();
/* */
/* 744 */ if (fileName.contains("?")) {
/* 745 */ fileName = fileName.substring(0, fileName.indexOf("?"));
/* */ }
/* 747 */ if (fileName.endsWith(".pack.lzma"))
/* 748 */ fileName = fileName.replaceAll(".pack.lzma", "");
/* 749 */ else if (fileName.endsWith(".pack"))
/* 750 */ fileName = fileName.replaceAll(".pack", "");
/* 751 */ else if (fileName.endsWith(".lzma")) {
/* 752 */ fileName = fileName.replaceAll(".lzma", "");
/* */ }
/* */
/* 755 */ return fileName.substring(fileName.lastIndexOf('/') + 1);
/* */ }
/* */
/* */ protected String getFileName(URL url) {
/* 759 */ String fileName = url.getFile();
/* 760 */ if (fileName.contains("?")) {
/* 761 */ fileName = fileName.substring(0, fileName.indexOf("?"));
/* */ }
/* 763 */ return fileName.substring(fileName.lastIndexOf('/') + 1);
/* */ }
/* */
/* */ protected void fatalErrorOccured(String error, Exception e) {
/* 767 */ e.printStackTrace();
/* 768 */ this.fatalError = true;
/* 769 */ this.fatalErrorDescription = ("Fatal error occured (" + this.state + "): " + error);
/* 770 */ System.out.println(this.fatalErrorDescription);
/* 771 */ if (e != null)
/* 772 */ System.out.println(generateStacktrace(e));
/* */ }
/* */
/* */ public boolean canPlayOffline()
/* */ {
/* */ try
/* */ {
/* 779 */ String path = (String)AccessController.doPrivileged(new PrivilegedExceptionAction() {
/* */ public Object run() throws Exception {
/* 781 */ return Util.getWorkingDirectory() + File.separator + "bin" + File.separator;
/* */ }
/* */ });
/* 785 */ File dir = new File(path);
/* 786 */ if (!dir.exists()) return false;
/* */
/* 788 */ dir = new File(dir, "version");
/* 789 */ if (!dir.exists()) return false;
/* */
/* 791 */ if (dir.exists()) {
/* 792 */ String version = readVersionFile(dir);
/* 793 */ if ((version != null) && (version.length() > 0))
/* 794 */ return true;
/* */ }
/* */ }
/* */ catch (Exception e) {
/* 798 */ e.printStackTrace();
/* 799 */ return false;
/* */ }
/* 801 */ return false;
/* */ }
/* */ }
