tor-android/tor-android-binary/src/main/java/org/torproject/android/binary/NativeLoader.java

123 lines
3.6 KiB
Java

package org.torproject.android.binary;
import android.content.Context;
import android.content.pm.ApplicationInfo;
import android.os.Build;
import android.util.Log;
import java.io.File;
import java.io.FileOutputStream;
import java.io.InputStream;
import java.io.OutputStream;
import java.util.zip.ZipEntry;
import java.util.zip.ZipFile;
import java.util.zip.ZipInputStream;
public class NativeLoader {
private final static String LIB_NAME = "tor";
private final static String LIB_SO_NAME = "tor.so";
private final static String TAG = "TorNativeLoader";
private static boolean loadFromZip(Context context, File destLocalFile, String folder) {
ZipFile zipFile = null;
ZipInputStream stream = null;
try {
zipFile = new ZipFile(context.getApplicationInfo().sourceDir);
ZipEntry entry = zipFile.getEntry("lib/" + folder + "/" + LIB_SO_NAME);
if (entry == null) {
throw new Exception("Unable to find file in apk:" + "lib/" + folder + "/" + LIB_NAME);
}
//how we wrap this in another stream because the native .so is zipped itself
stream = new ZipInputStream(zipFile.getInputStream(entry));
ZipEntry ze = stream.getNextEntry();
OutputStream out = new FileOutputStream(destLocalFile);
byte[] buf = new byte[4096];
int len;
while ((len = stream.read(buf)) > 0) {
Thread.yield();
out.write(buf, 0, len);
}
out.close();
if (Build.VERSION.SDK_INT >= 9) {
destLocalFile.setReadable(true, false);
destLocalFile.setExecutable(true, false);
destLocalFile.setWritable(true);
}
return true;
} catch (Exception e) {
Log.e(TAG, e.getMessage());
} finally {
if (stream != null) {
try {
stream.close();
} catch (Exception e) {
Log.e(TAG, e.getMessage());
}
}
if (zipFile != null) {
try {
zipFile.close();
} catch (Exception e) {
Log.e(TAG, e.getMessage());
}
}
}
return false;
}
public static synchronized boolean initNativeLibs(Context context, File destLocalFile) {
try {
String folder = null;
try {
if (Build.CPU_ABI.equalsIgnoreCase("armeabi-v7a")) {
folder = "armeabi-v7a";
}
else if (Build.CPU_ABI.equalsIgnoreCase("armeabi")) {
folder = "armeabi";
} else if (Build.CPU_ABI.equalsIgnoreCase("x86")) {
folder = "x86";
} else if (Build.CPU_ABI.equalsIgnoreCase("mips")) {
folder = "mips";
} else {
folder = "armeabi";
//FileLog.e("tmessages", "Unsupported arch: " + Build.CPU_ABI);
}
} catch (Exception e) {
// FileLog.e("tmessages", e);
Log.e(TAG, e.getMessage(),e);
folder = "armeabi";
}
String javaArch = System.getProperty("os.arch");
if (javaArch != null && javaArch.contains("686")) {
folder = "x86";
}
if (loadFromZip(context, destLocalFile, folder)) {
return true;
}
} catch (Throwable e) {
Log.e(TAG, e.getMessage(),e);
}
return false;
}
}