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Support restarting app when obfuscated

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This commit is contained in:
topjohnwu 2019-11-03 02:55:12 -05:00
parent 14ba002cbc
commit 0c9feedb37
14 changed files with 46 additions and 57 deletions
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15
app/src/main/java/com/topjohnwu/magisk/Hacks.kt
View File

@ -53,18 +53,12 @@ fun Context.wrapJob(): Context = object : GlobalResContext(this) {
}
}
fun Class<*>.cmp(pkg: String = BuildConfig.APPLICATION_ID): ComponentName {
fun Class<*>.cmp(pkg: String): ComponentName {
val name = ClassMap[this].name
return ComponentName(pkg, Info.stub?.componentMap?.get(name) ?: name)
}
fun Context.intent(c: Class<*>): Intent {
val cls = ClassMap[c]
return Info.stub?.let {
val className = it.componentMap.getOrElse(cls.name) { cls.name }
Intent().setComponent(ComponentName(this, className))
} ?: Intent(this, cls)
}
inline fun <reified T> Context.intent() = Intent().setComponent(T::class.java.cmp(packageName))
private open class GlobalResContext(base: Context) : ContextWrapper(base) {
open val mRes: Resources get() = ResourceMgr.resource
@ -192,8 +186,9 @@ object ClassMap {
UpdateCheckService::class.java to a.g::class.java,
GeneralReceiver::class.java to a.h::class.java,
DownloadService::class.java to a.j::class.java,
SuRequestActivity::class.java to a.m::class.java
SuRequestActivity::class.java to a.m::class.java,
ProcessPhoenix::class.java to a.r::class.java
)
operator fun get(c: Class<*>) = map.getOrElse(c) { throw IllegalArgumentException() }
operator fun get(c: Class<*>) = map.getOrElse(c) { c }
}

2
app/src/main/java/com/topjohnwu/magisk/model/download/DownloadService.kt
View File

@ -140,7 +140,7 @@ open class DownloadService : RemoteFileService() {
inline operator fun invoke(context: Context, argBuilder: Builder.() -> Unit) {
val app = context.applicationContext
val builder = Builder().apply(argBuilder)
val intent = app.intent(DownloadService::class.java).putExtra(ARG_URL, builder.subject)
val intent = app.intent<DownloadService>().putExtra(ARG_URL, builder.subject)
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.O) {
app.startForegroundService(intent)

2
app/src/main/java/com/topjohnwu/magisk/model/download/ManagerUpgrade.kt
View File

@ -38,7 +38,7 @@ private fun RemoteFileService.upgrade(apk: File, id: Int) {
patch(apk, id)
} else {
// Simply relaunch the app
ProcessPhoenix.triggerRebirth(this)
ProcessPhoenix.triggerRebirth(this, intent<ProcessPhoenix>())
}
} else {
patch(apk, id)

2
app/src/main/java/com/topjohnwu/magisk/model/receiver/GeneralReceiver.kt
View File

@ -63,7 +63,7 @@ open class GeneralReceiver : BaseReceiver() {
}
when (action) {
REQUEST -> {
val i = context.intent(SuRequestActivity::class.java)
val i = context.intent<SuRequestActivity>()
.setAction(action)
.putExtra("socket", intent.getStringExtra("socket"))
.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK)

2
app/src/main/java/com/topjohnwu/magisk/ui/MainActivity.kt
View File

@ -60,7 +60,7 @@ open class MainActivity : BaseActivity<MainViewModel, ActivityMainBinding>(), Na
override fun onCreate(savedInstanceState: Bundle?) {
if (!SplashActivity.DONE) {
startActivity(intent(SplashActivity::class.java))
startActivity(intent<SplashActivity>())
finish()
}

7
app/src/main/java/com/topjohnwu/magisk/ui/SplashActivity.kt
View File

@ -40,7 +40,7 @@ open class SplashActivity : Activity() {
Config.suManager = ""
Shell.su("pm uninstall $pkg").submit()
}
if (TextUtils.equals(pkg, packageName)) {
if (pkg == packageName) {
runCatching {
// We are the manager, remove com.topjohnwu.magisk as it could be malware
packageManager.getApplicationInfo(BuildConfig.APPLICATION_ID, 0)
@ -60,10 +60,9 @@ open class SplashActivity : Activity() {
// Setup shortcuts
Shortcuts.setup(this)
val intent = intent(MainActivity::class.java)
intent.putExtra(Const.Key.OPEN_SECTION, getIntent().getStringExtra(Const.Key.OPEN_SECTION))
DONE = true
startActivity(intent)
startActivity(intent<MainActivity>().apply { intent?.also { putExtras(it) } })
finish()
}

2
app/src/main/java/com/topjohnwu/magisk/ui/flash/FlashActivity.kt
View File

@ -60,7 +60,7 @@ open class FlashActivity : BaseActivity<FlashViewModel, ActivityFlashBinding>()
companion object {
private fun intent(context: Context) = context.intent(FlashActivity::class.java)
private fun intent(context: Context) = context.intent<FlashActivity>()
.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK)
private fun intent(context: Context, file: File) = intent(context).setData(file.toUri())

2
app/src/main/java/com/topjohnwu/magisk/ui/module/ModulesFragment.kt
View File

@ -28,7 +28,7 @@ class ModulesFragment : BaseFragment<ModuleViewModel, FragmentModulesBinding>()
override fun onActivityResult(requestCode: Int, resultCode: Int, data: Intent?) {
if (requestCode == Const.ID.FETCH_ZIP && resultCode == Activity.RESULT_OK && data != null) {
// Get the URI of the selected file
val intent = activity.intent(FlashActivity::class.java)
val intent = activity.intent<FlashActivity>()
intent.setData(data.data).putExtra(Const.Key.FLASH_ACTION, Const.Value.FLASH_ZIP)
startActivity(intent)
}

6
app/src/main/java/com/topjohnwu/magisk/view/Notifications.kt
View File

@ -47,7 +47,7 @@ object Notifications {
}
fun magiskUpdate(context: Context) {
val intent = context.intent(SplashActivity::class.java)
val intent = context.intent<SplashActivity>()
.putExtra(Const.Key.OPEN_SECTION, "magisk")
val stackBuilder = TaskStackBuilder.create(context)
stackBuilder.addParentStack(SplashActivity::class.java.cmp(context.packageName))
@ -65,7 +65,7 @@ object Notifications {
}
fun managerUpdate(context: Context) {
val intent = context.intent(GeneralReceiver::class.java)
val intent = context.intent<GeneralReceiver>()
.setAction(Const.Key.BROADCAST_MANAGER_UPDATE)
.putExtra(Const.Key.INTENT_SET_APP, Info.remote.app)
@ -82,7 +82,7 @@ object Notifications {
}
fun dtboPatched(context: Context) {
val intent = context.intent(GeneralReceiver::class.java)
val intent = context.intent<GeneralReceiver>()
.setAction(Const.Key.BROADCAST_REBOOT)
val pendingIntent = PendingIntent.getBroadcast(context,
Const.ID.DTBO_NOTIFICATION_ID, intent, PendingIntent.FLAG_UPDATE_CURRENT)

5
app/src/main/java/com/topjohnwu/magisk/view/Shortcuts.kt
View File

@ -7,6 +7,7 @@ import android.content.pm.ShortcutManager
import android.graphics.drawable.Icon
import android.os.Build
import androidx.annotation.RequiresApi
import androidx.core.content.getSystemService
import androidx.core.graphics.drawable.toAdaptiveIcon
import androidx.core.graphics.drawable.toIcon
import com.topjohnwu.magisk.*
@ -19,7 +20,7 @@ object Shortcuts {
fun setup(context: Context) {
if (Build.VERSION.SDK_INT >= 25) {
val manager = context.getSystemService(ShortcutManager::class.java)
val manager = context.getSystemService<ShortcutManager>()
manager?.dynamicShortcuts = getShortCuts(context)
}
}
@ -28,7 +29,7 @@ object Shortcuts {
private fun getShortCuts(context: Context): List<ShortcutInfo> {
val shortCuts = mutableListOf<ShortcutInfo>()
val root = Shell.rootAccess()
val intent = context.intent(SplashActivity::class.java)
val intent = context.intent<SplashActivity>()
fun getIcon(id: Int): Icon {
return if (Build.VERSION.SDK_INT >= 26)

2
shared/src/main/java/com/topjohnwu/magisk/DynAPK.java
View File

@ -11,7 +11,7 @@ import static android.os.Build.VERSION.SDK_INT;
public class DynAPK {
private static final int STUB_VERSION = 3;
private static final int STUB_VERSION = 4;
// Indices of the object array
private static final int STUB_VERSION_ENTRY = 0;

31
shared/src/main/java/com/topjohnwu/magisk/ProcessPhoenix.java
View File

@ -22,7 +22,6 @@ import android.content.Intent;
import android.os.Bundle;
import java.util.ArrayList;
import java.util.Arrays;
import static android.content.Intent.FLAG_ACTIVITY_CLEAR_TASK;
import static android.content.Intent.FLAG_ACTIVITY_NEW_TASK;
@ -37,27 +36,11 @@ import static android.content.Intent.FLAG_ACTIVITY_NEW_TASK;
* Trigger process recreation by calling {@link #triggerRebirth} with a {@link Context} instance.
*/
public class ProcessPhoenix extends Activity {
private static final String KEY_RESTART_INTENTS = "phoenix_restart_intents";
private static final String KEY_RESTART_INTENT = "phoenix_restart_intent";
/**
* Call to restart the application process using the {@linkplain Intent#CATEGORY_DEFAULT default}
* activity as an intent.
* <p>
* Behavior of the current process after invoking this method is undefined.
*/
public static void triggerRebirth(Context context) {
triggerRebirth(context, getRestartIntent(context));
}
/**
* Call to restart the application process using the specified intents.
* <p>
* Behavior of the current process after invoking this method is undefined.
*/
public static void triggerRebirth(Context context, Intent... nextIntents) {
Intent intent = new Intent(context, a.r.class);
public static void triggerRebirth(Context context, Intent intent) {
intent.addFlags(FLAG_ACTIVITY_NEW_TASK); // In case we are called with non-Activity context.
intent.putParcelableArrayListExtra(KEY_RESTART_INTENTS, new ArrayList<>(Arrays.asList(nextIntents)));
intent.putExtra(KEY_RESTART_INTENT, getRestartIntent(context));
context.startActivity(intent);
if (context instanceof Activity) {
((Activity) context).finish();
@ -73,17 +56,15 @@ public class ProcessPhoenix extends Activity {
return defaultIntent;
}
throw new IllegalStateException("Unable to determine default activity for "
+ packageName
+ ". Does an activity specify the DEFAULT category in its intent filter?");
throw new IllegalStateException();
}
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
ArrayList<Intent> intents = getIntent().getParcelableArrayListExtra(KEY_RESTART_INTENTS);
startActivities(intents.toArray(new Intent[0]));
Intent intent = getIntent().getParcelableExtra(KEY_RESTART_INTENT);
startActivity(intent);
finish();
Runtime.getRuntime().exit(0);
}

9
stub/src/main/java/com/topjohnwu/magisk/DownloadActivity.java
View File

@ -4,6 +4,8 @@ import android.app.Activity;
import android.app.AlertDialog;
import android.app.Application;
import android.app.ProgressDialog;
import android.content.ComponentName;
import android.content.Intent;
import android.os.Build;
import android.os.Bundle;
import android.util.Log;
@ -11,6 +13,7 @@ import android.util.Log;
import com.topjohnwu.magisk.net.ErrorHandler;
import com.topjohnwu.magisk.net.Networking;
import com.topjohnwu.magisk.net.ResponseListener;
import com.topjohnwu.magisk.obfuscate.Mapping;
import com.topjohnwu.magisk.obfuscate.RawData;
import com.topjohnwu.magisk.utils.APKInstall;
@ -48,7 +51,11 @@ public class DownloadActivity extends Activity {
// Download and relaunch the app
Networking.get(apkLink)
.setErrorHandler(err)
.getAsFile(MANAGER_APK, f -> ProcessPhoenix.triggerRebirth(this));
.getAsFile(MANAGER_APK, apk -> {
Intent intent = new Intent()
.setComponent(new ComponentName(this, Mapping.inverse("a.r")));
ProcessPhoenix.triggerRebirth(this, intent);
});
} else {
// Download and upgrade the app
Application app = getApplication();

16
stub/src/main/java/com/topjohnwu/magisk/obfuscate/Mapping.java
View File

@ -7,9 +7,14 @@ import static com.topjohnwu.magisk.DynAPK.Data;
public class Mapping {
private static Map<String, String> map = new HashMap<>();
private static Map<String, String> inverseMap;
static {
map.put("a.x", "androidx.work.impl.background.systemjob.SystemJobService");
inverseMap = new HashMap<>(map.size());
for (Map.Entry<String, String> e : map.entrySet()) {
inverseMap.put(e.getValue(), e.getKey());
}
}
public static String get(String name) {
@ -17,13 +22,14 @@ public class Mapping {
return n != null ? n : name;
}
public static String inverse(String name) {
String n = inverseMap.get(name);
return n != null ? n : name;
}
public static Data data() {
Map<String, String> componentMap = new HashMap<>(map.size());
for (Map.Entry<String, String> e : map.entrySet()) {
componentMap.put(e.getValue(), e.getKey());
}
Data data = new Data();
data.componentMap = componentMap;
data.componentMap = inverseMap;
return data;
}