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Add zipadjust JNI code

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topjohnwu
2016-11-23 13:46:52 +08:00
parent f58c73b7f1
commit 403e30feba
6 changed files with 335 additions and 9 deletions
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10
app/src/main/java/com/topjohnwu/magisk/adapters/ReposAdapter.java
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@ -30,7 +30,6 @@ import com.topjohnwu.magisk.utils.ZipUtils;
import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.util.List;
@ -113,16 +112,15 @@ public class ReposAdapter extends RecyclerView.Adapter<ReposAdapter.ViewHolder>
// First remove top folder (the folder with the repo name) in Github source zip
ZipUtils.removeTopFolder(mContext.getContentResolver().openInputStream(uri), outBuffer);
inBuffer = new ByteArrayInputStream(outBuffer.toByteArray().clone());
inBuffer = new ByteArrayInputStream(outBuffer.toByteArray());
outBuffer.reset();
// Then sign the zip for the first time
ZipUtils.signZip(mContext, inBuffer, outBuffer, false);
inBuffer = new ByteArrayInputStream(outBuffer.toByteArray().clone());
outBuffer.reset();
// ZipAdjust to be placed here
// Call JNI for zipadjust...
// Call zipadjust through JNI
inBuffer = new ByteArrayInputStream(ZipUtils.zipAdjust(outBuffer.toByteArray(), outBuffer.size()));
outBuffer.reset();
// Finally, sign the whole zip file again
ZipUtils.signZip(mContext, inBuffer, outBuffer, true);

11
app/src/main/java/com/topjohnwu/magisk/utils/ZipUtils.java
View File

@ -23,7 +23,6 @@ import org.spongycastle.util.encoders.Base64;
import java.io.ByteArrayOutputStream;
import java.io.File;
import java.io.FileInputStream;
import java.io.FilterOutputStream;
import java.io.IOException;
import java.io.InputStream;
@ -74,6 +73,14 @@ public class ZipUtils {
private static final int USE_SHA1 = 1;
private static final int USE_SHA256 = 2;
static {
System.loadLibrary("zipadjust");
sBouncyCastleProvider = new BouncyCastleProvider();
Security.insertProviderAt(sBouncyCastleProvider, 1);
}
public native static byte[] zipAdjust(byte[] bytes, int size);
public static void removeTopFolder(InputStream in, OutputStream out) {
try {
JarInputStream source = new JarInputStream(in);
@ -106,8 +113,6 @@ public class ZipUtils {
public static void signZip(Context context, InputStream inputStream,
OutputStream outputStream, boolean signWholeFile) {
sBouncyCastleProvider = new BouncyCastleProvider();
Security.insertProviderAt(sBouncyCastleProvider, 1);
JarMap inputJar;
int hashes = 0;
try {