2017-11-21 00:34:25 +08:00

264 lines
10 KiB
Java

package com.topjohnwu.magisk.asyncs;
import android.app.Activity;
import android.content.res.AssetManager;
import android.net.Uri;
import android.os.Build;
import android.text.TextUtils;
import android.view.View;
import com.topjohnwu.crypto.SignBoot;
import com.topjohnwu.magisk.FlashActivity;
import com.topjohnwu.magisk.MagiskManager;
import com.topjohnwu.magisk.container.TarEntry;
import com.topjohnwu.magisk.utils.Const;
import com.topjohnwu.magisk.utils.Shell;
import com.topjohnwu.magisk.utils.Utils;
import com.topjohnwu.magisk.utils.ZipUtils;
import org.kamranzafar.jtar.TarInputStream;
import org.kamranzafar.jtar.TarOutputStream;
import java.io.BufferedInputStream;
import java.io.BufferedOutputStream;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.util.Arrays;
import java.util.List;
public class InstallMagisk extends ParallelTask<Void, Void, Boolean> {
private static final int PATCH_MODE = 0;
private static final int DIRECT_MODE = 1;
private Uri mBootImg, mZip;
private List<String> console, logs;
private String mBootLocation;
private boolean mKeepEnc, mKeepVerity;
private int mode;
private InstallMagisk(Activity context, List<String> console, List<String> logs, Uri zip, boolean enc, boolean verity) {
super(context);
this.console = console;
this.logs = logs;
mZip = zip;
mKeepEnc = enc;
mKeepVerity = verity;
}
public InstallMagisk(Activity context, List<String> console, List<String> logs, Uri zip, boolean enc, boolean verity, Uri boot) {
this(context, console, logs, zip, enc, verity);
mBootImg = boot;
mode = PATCH_MODE;
}
public InstallMagisk(Activity context, List<String> console, List<String> logs, Uri zip, boolean enc, boolean verity, String boot) {
this(context, console, logs, zip, enc, verity);
mBootLocation = boot;
mode = DIRECT_MODE;
}
@Override
protected Boolean doInBackground(Void... voids) {
MagiskManager mm = MagiskManager.get();
File install = new File(
(Build.VERSION.SDK_INT >= Build.VERSION_CODES.N ?
mm.createDeviceProtectedStorageContext() :
mm).getFilesDir().getParent()
, "install");
Shell.sh_raw("rm -rf " + install);
List<String> abis = Arrays.asList(Build.SUPPORTED_ABIS);
String arch;
if (abis.contains("x86_64")) arch = "x64";
else if (abis.contains("arm64-v8a")) arch = "arm64";
else if (abis.contains("x86")) arch = "x86";
else arch = "arm";
console.add("- Device platform: " + arch);
try {
// Unzip files
console.add("- Extracting files");
try (InputStream in = mm.getContentResolver().openInputStream(mZip)) {
if (in == null) throw new FileNotFoundException();
BufferedInputStream buf = new BufferedInputStream(in);
buf.mark(Integer.MAX_VALUE);
ZipUtils.unzip(buf, install, arch + "/", true);
buf.reset();
ZipUtils.unzip(buf, install, "common/", true);
buf.reset();
ZipUtils.unzip(buf, install, "chromeos/", false);
buf.reset();
ZipUtils.unzip(buf, install, "META-INF/com/google/android/update-binary", true);
buf.close();
} catch (FileNotFoundException e) {
console.add("! Invalid Uri");
throw e;
} catch (Exception e) {
console.add("! Cannot unzip zip");
throw e;
}
File boot = new File(install, "boot.img");
switch (mode) {
case PATCH_MODE:
console.add("- Use boot image: " + boot);
// Copy boot image to local
try (
InputStream in = mm.getContentResolver().openInputStream(mBootImg);
OutputStream out = new FileOutputStream(boot)
) {
InputStream source;
if (in == null) throw new FileNotFoundException();
if (Utils.getNameFromUri(mm, mBootImg).endsWith(".tar")) {
// Extract boot.img from tar
TarInputStream tar = new TarInputStream(new BufferedInputStream(in));
org.kamranzafar.jtar.TarEntry entry;
while ((entry = tar.getNextEntry()) != null) {
if (entry.getName().equals("boot.img"))
break;
}
source = tar;
} else {
// Direct copy raw image
source = new BufferedInputStream(in);
}
Utils.inToOut(source, out);
} catch (FileNotFoundException e) {
console.add("! Invalid Uri");
throw e;
} catch (IOException e) {
console.add("! Copy failed");
throw e;
}
break;
case DIRECT_MODE:
console.add("- Use boot image: " + mBootLocation);
if (boot.createNewFile()) {
Shell.su("cat " + mBootLocation + " > " + boot);
} else {
console.add("! Dump boot image failed");
return false;
}
break;
default:
return false;
}
boolean isSigned;
try (InputStream in = new FileInputStream(boot)) {
isSigned = SignBoot.verifySignature(in, null);
if (isSigned) {
console.add("- Signed boot image detected");
}
} catch (Exception e) {
console.add("! Unable to check signature");
throw e;
}
// Force non-root shell
Shell shell;
if (Shell.rootAccess())
shell = new Shell("sh");
else
shell = Shell.getShell();
// Patch boot image
shell.run(console, logs,
"cd " + install,
"KEEPFORCEENCRYPT=" + mKeepEnc + " KEEPVERITY=" + mKeepVerity + " sh " +
"update-binary indep boot_patch.sh " + boot + " || echo 'Failed!'");
if (TextUtils.equals(console.get(console.size() - 1), "Failed!"))
return false;
shell.run(null, null,
"mv -f new-boot.img ../",
"mv bin/busybox busybox",
"rm -rf bin *.img update-binary",
"cd /");
File patched_boot = new File(install.getParent(), "new-boot.img");
if (isSigned) {
console.add("- Signing boot image");
File signed = new File(install.getParent(), "signed.img");
AssetManager assets = mm.getAssets();
try (
InputStream in = new FileInputStream(patched_boot);
OutputStream out = new BufferedOutputStream(new FileOutputStream(signed));
InputStream keyIn = assets.open(Const.PRIVATE_KEY_NAME);
InputStream certIn = assets.open(Const.PUBLIC_KEY_NAME)
) {
SignBoot.doSignature("/boot", in, out, keyIn, certIn);
}
shell.run_raw(false, false, "mv -f " + signed + " " + patched_boot);
}
switch (mode) {
case PATCH_MODE:
File dest = new File(Const.EXTERNAL_PATH, "patched_boot" + mm.bootFormat);
dest.getParentFile().mkdirs();
OutputStream out;
switch (mm.bootFormat) {
case ".img.tar":
out = new TarOutputStream(new BufferedOutputStream(new FileOutputStream(dest)));
((TarOutputStream) out).putNextEntry(new TarEntry(patched_boot, "boot.img"));
break;
default:
case ".img":
out = new BufferedOutputStream(new FileOutputStream(dest));
break;
}
try (InputStream in = new BufferedInputStream(new FileInputStream(patched_boot))) {
Utils.inToOut(in, out);
out.close();
}
console.add("");
console.add("*********************************");
console.add(" Patched Boot Image is placed in ");
console.add(" " + dest + " ");
console.add("*********************************");
break;
case DIRECT_MODE:
// Direct flash boot image and patch dtbo if possible
Shell.getShell().run(console, logs,
"rm -rf /data/magisk/*",
"mkdir -p /data/magisk 2>/dev/null",
"mv -f " + install + "/* /data/magisk",
"rm -rf " + install,
"flash_boot_image " + patched_boot + " " + mBootLocation,
"patch_dtbo_image");
break;
default:
return false;
}
patched_boot.delete();
console.add("- All done!");
} catch (Exception e) {
e.printStackTrace();
return false;
}
return true;
}
@Override
protected void onPostExecute(Boolean result) {
FlashActivity activity = (FlashActivity) getActivity();
if (!result) {
console.add("! Installation failed");
activity.reboot.setVisibility(View.GONE);
}
activity.buttonPanel.setVisibility(View.VISIBLE);
}
}