private boolean compareMD5(String expected, File file) {
String actual = MD5Utils.getMD5(file);
Launcher.debug(
"Checking MD5 of "
+ file.getName()
+ ". Expected MD5: "
+ expected
+ " | Actual MD5: "
+ actual);
if (expected == null || actual == null) {
return false;
}
return expected.equals(actual);
}
public static Download downloadFile(
String url, String output, String cacheName, String md5, DownloadListener listener)
throws IOException {
int tries = Settings.getLoginTries();
File outputFile = null;
Download download = null;
while (tries > 0) {
System.out.println("Starting download of " + url + ", with " + tries + " tries remaining");
tries--;
download = new Download(url, output);
download.setListener(listener);
download.run();
if (!download.isSuccess()) {
if (download.getOutFile() != null) {
download.getOutFile().delete();
}
System.err.println("Download of " + url + " Failed!");
if (listener != null)
listener.stateChanged("Download Failed, retries remaining: " + tries, 0F);
} else {
if (md5 != null) {
String resultMD5 = MD5Utils.getMD5(download.getOutFile());
System.out.println("Expected MD5: " + md5 + " Calculated MD5: " + resultMD5);
if (resultMD5.equals(md5)) {
outputFile = download.getOutFile();
break;
}
} else {
outputFile = download.getOutFile();
break;
}
}
}
if (outputFile == null) {
throw new IOException("Failed to download " + url);
}
if (cacheName != null) {
Utils.copy(outputFile, new File(Launcher.getGameUpdater().getBinCacheDir(), cacheName));
}
return download;
}
/**
* Returns true if validation completed without errors, false if something went wrong deleting
* files
*
* @return true on validation completion, false on failure
* @throws RestfulAPIException
*/
private boolean validate(SpoutcraftData build) throws RestfulAPIException {
File minecraftJar = new File(Launcher.getGameUpdater().getBinDir(), "minecraft.jar");
if (minecraftJar.exists()) {
if (!compareMD5(build.getMinecraft().getMd5(), minecraftJar)) {
// Launcher.err("Invalid minecraft.jar");
return minecraftJar.delete();
}
} else {
Launcher.err("There is no minecraft.jar!");
return true;
}
File spoutcraft = new File(Launcher.getGameUpdater().getBinDir(), "spoutcraft.jar");
if (spoutcraft.exists()) {
if (!compareMD5(build.getMD5(), spoutcraft)) {
Launcher.err("Invalid spoutcraft.jar");
return spoutcraft.delete();
}
} else {
Launcher.err("There is no spoutcraft.jar");
return true;
}
final Minecraft minecraft = build.getMinecraft();
final String jinputMD5 = UpdateThread.findMd5("jinput", null, minecraft.getLibraries());
File jinputJar = new File(Launcher.getGameUpdater().getBinDir(), "jinput.jar");
if (jinputJar.exists()) {
if (!compareMD5(jinputMD5, jinputJar)) {
Launcher.err("Invalid jinput.jar");
return jinputJar.delete();
}
} else {
Launcher.err("There is no jinput.jar");
return true;
}
final String lwjglMD5 = UpdateThread.findMd5("lwjgl", null, minecraft.getLibraries());
File lwjglJar = new File(Launcher.getGameUpdater().getBinDir(), "lwjgl.jar");
if (lwjglJar.exists()) {
if (!compareMD5(lwjglMD5, lwjglJar)) {
Launcher.err("Invalid lwjgl.jar");
return lwjglJar.delete();
}
} else {
Launcher.err("There is no lwjgl.jar");
return true;
}
final String lwjgl_utilMD5 = UpdateThread.findMd5("lwjgl_util", null, minecraft.getLibraries());
File lwjgl_utilJar = new File(Launcher.getGameUpdater().getBinDir(), "lwjgl_util.jar");
if (lwjgl_utilJar.exists()) {
if (!compareMD5(lwjgl_utilMD5, lwjgl_utilJar)) {
Launcher.err("Invalid lwjgl_util.jar");
return lwjgl_utilJar.delete();
}
} else {
Launcher.err("There is no lwjgl_util.jar");
return true;
}
File libDir = new File(Launcher.getGameUpdater().getBinDir(), "lib");
List<Library> libraries = build.getLibraries();
for (Library lib : libraries) {
File libraryFile = new File(libDir, lib.name() + ".jar");
if (libraryFile.exists()) {
String md5 = MD5Utils.getMD5(libraryFile);
if (!lib.valid(md5)) {
Launcher.err("Invalid " + libraryFile.getName());
return libraryFile.delete();
}
} else {
Launcher.err("There is no " + libraryFile.getName());
return true;
}
}
passed = true;
return true;
}