Files
i2p.firefox/java/net/i2p/router/ZipUpdateProcess.java

126 lines
3.8 KiB
Java

package net.i2p.router;
import java.io.*;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.IOException;
import java.util.Map;
import java.util.function.*;
import java.util.zip.ZipEntry;
import java.util.zip.ZipInputStream;
import net.i2p.I2PAppContext;
import net.i2p.router.*;
import net.i2p.util.Log;
public class ZipUpdateProcess implements Runnable {
private final RouterContext ctx;
private final Supplier<String> versionSupplier;
private final Supplier<File> fileSupplier;
private final Log _log;
ZipUpdateProcess(RouterContext ctx, Supplier<String> versionSupplier,
Supplier<File> fileSupplier) {
this.ctx = ctx;
this.versionSupplier = versionSupplier;
this.fileSupplier = fileSupplier;
this._log = ctx.logManager().getLog(ZipUpdateProcess.class);
}
private File workDir() throws IOException {
if (ctx != null) {
File workDir =
new File(ctx.getConfigDir().getAbsolutePath(), "i2p_update_win");
if (workDir.exists()) {
if (workDir.isFile())
throw new IOException(workDir +
" exists but is a file, get it out of the way");
return workDir;
} else {
workDir.mkdirs();
}
return workDir;
}
return null;
}
private void unzipUpdateInstaller() throws IOException {
String version = versionSupplier.get();
File file = fileSupplier.get();
if (file == null)
return;
File workingDir = workDir();
File logFile = new File(workingDir, "log-" + version + ".txt");
// check if we can write to the log file. If we can, use the
// ProcessBuilder to run the installer.
// ProcessBuilder pb = new ProcessBuilder(
// file.getAbsolutePath(), "/S", "/D=" + workingDir.getAbsolutePath());
// Map<String, String> env = pb.environment();
// env.put("OLD_I2P_VERSION", version);
// env.remove("RESTART_I2P");
int exitCode = ctx.router().scheduledGracefulExitCode();
// if (exitCode == Router.EXIT_HARD_RESTART ||
// exitCode == Router.EXIT_GRACEFUL_RESTART)
// env.put("RESTART_I2P", "true");
/*try {
pb.directory(workingDir)
.redirectErrorStream(true)
.redirectOutput(logFile)
.start();
} catch (IOException ex) {
_log.error(
"Unable to run update-program in background. Update will fail.", ex);
}*/
}
@Override
public void run() {
try {
unzipUpdateInstaller();
} catch (IOException ioe) {
_log.error("Error running updater, update may fail." + ioe);
}
}
private static void unzip(String zipFilePath, String destDir) {
File dir = new File(destDir);
// create output directory if it doesn't exist
if (!dir.exists())
dir.mkdirs();
FileInputStream fis;
// buffer for read and write data to file
byte[] buffer = new byte[1024];
try {
fis = new FileInputStream(zipFilePath);
ZipInputStream zis = new ZipInputStream(fis);
ZipEntry ze = zis.getNextEntry();
while (ze != null) {
String fileName = ze.getName();
File newFile = new File(destDir + File.separator + fileName);
System.out.println("Unzipping to " + newFile.getAbsolutePath());
// create directories for sub directories in zip
new File(newFile.getParent()).mkdirs();
FileOutputStream fos = new FileOutputStream(newFile);
int len;
while ((len = zis.read(buffer)) > 0) {
fos.write(buffer, 0, len);
}
fos.close();
// close this ZipEntry
zis.closeEntry();
ze = zis.getNextEntry();
}
// close last ZipEntry
zis.closeEntry();
zis.close();
fis.close();
} catch (IOException e) {
e.printStackTrace();
}
}
}