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/* Copyright (c) 2009, Nathan Freitas, Orbot / The Guardian Project - http://openideals.com/guardian */
/* See LICENSE for licensing information */
package se.leap.bitmaskclient.pluggableTransports;
import android.content.Context;
import android.util.Log;
import java.io.DataInputStream;
import java.io.DataOutputStream;
import java.io.File;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.util.concurrent.TimeoutException;
import java.util.zip.ZipEntry;
import java.util.zip.ZipInputStream;
public class BinaryInstaller {
File installFolder;
Context context;
public BinaryInstaller(Context context, File installFolder)
{
this.installFolder = installFolder;
this.context = context;
}
public void deleteDirectory(File file) {
if( file.exists() ) {
if (file.isDirectory()) {
File[] files = file.listFiles();
for(int i=0; i<files.length; i++) {
if(files[i].isDirectory()) {
deleteDirectory(files[i]);
}
else {
files[i].delete();
}
}
}
file.delete();
}
}
private final static String COMMAND_RM_FORCE = "rm -f ";
private final static String MP3_EXT = ".mp3";
//
/*
* Extract the resources from the APK file using ZIP
*/
public File installResource (String basePath, String assetKey, boolean overwrite) throws IOException, FileNotFoundException, TimeoutException
{
InputStream is;
File outFile;
outFile = new File(installFolder, assetKey);
if (outFile.exists() && (!overwrite)) {
Log.d("BINARY_INSTALLER", "Binary already exists! Using " + outFile.getCanonicalPath());
return outFile;
}
deleteDirectory(installFolder);
installFolder.mkdirs();
Log.d("BINARY_INSTALLER", "Search asset in " + basePath + "/" + assetKey);
is = context.getAssets().open(basePath + '/' + assetKey);
streamToFile(is,outFile, false, false);
setExecutable(outFile);
Log.d("BINARY_INSTALLER", "Asset copied from " + basePath + "/" + assetKey + " to: " + outFile.getCanonicalPath());
return outFile;
}
private final static int FILE_WRITE_BUFFER_SIZE = 1024*8;
/*
* Write the inputstream contents to the file
*/
public static boolean streamToFile(InputStream stm, File outFile, boolean append, boolean zip) throws IOException
{
byte[] buffer = new byte[FILE_WRITE_BUFFER_SIZE];
int bytecount;
OutputStream stmOut = new FileOutputStream(outFile.getAbsolutePath(), append);
ZipInputStream zis = null;
if (zip)
{
zis = new ZipInputStream(stm);
ZipEntry ze = zis.getNextEntry();
stm = zis;
}
while ((bytecount = stm.read(buffer)) > 0)
{
stmOut.write(buffer, 0, bytecount);
}
stmOut.close();
stm.close();
if (zis != null)
zis.close();
return true;
}
//copy the file from inputstream to File output - alternative impl
public static boolean copyFile (InputStream is, File outputFile)
{
try {
if (outputFile.exists())
outputFile.delete();
boolean newFile = outputFile.createNewFile();
DataOutputStream out = new DataOutputStream(new FileOutputStream(outputFile));
DataInputStream in = new DataInputStream(is);
int b = -1;
byte[] data = new byte[1024];
while ((b = in.read(data)) != -1) {
out.write(data);
}
if (b == -1); //rejoice
//
out.flush();
out.close();
in.close();
// chmod?
return newFile;
} catch (IOException ex) {
Log.e("Binaryinstaller", "error copying binary", ex);
return false;
}
}
/**
* Copies a raw resource file, given its ID to the given location
* @param ctx context
* @param resid resource id
* @param file destination file
* @param mode file permissions (E.g.: "755")
* @throws IOException on error
* @throws InterruptedException when interrupted
*/
public static void copyRawFile(Context ctx, int resid, File file, String mode, boolean isZipd) throws IOException, InterruptedException
{
final String abspath = file.getAbsolutePath();
// Write the iptables binary
final FileOutputStream out = new FileOutputStream(file);
InputStream is = ctx.getResources().openRawResource(resid);
if (isZipd)
{
ZipInputStream zis = new ZipInputStream(is);
ZipEntry ze = zis.getNextEntry();
is = zis;
}
byte buf[] = new byte[1024];
int len;
while ((len = is.read(buf)) > 0) {
out.write(buf, 0, len);
}
out.close();
is.close();
// Change the permissions
Runtime.getRuntime().exec("chmod "+mode+" "+abspath).waitFor();
}
private void setExecutable(File fileBin) {
fileBin.setReadable(true);
fileBin.setExecutable(true);
fileBin.setWritable(false);
fileBin.setWritable(true, true);
}
}
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