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Code Issues Packages Projects Releases Wiki Activity

initialize Dhizuku, get DevicePolicyManager using binder wrapper

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BinTianqi
2024-07-20 19:07:25 +08:00
parent 7adac7a11d
commit b6d7844732
9 changed files with 103 additions and 0 deletions
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31
app/src/main/java/com/bintianqi/owndroid/dpm/DPM.kt
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@@ -1,14 +1,22 @@
package com.bintianqi.owndroid.dpm
import android.annotation.SuppressLint
import android.app.PendingIntent
import android.app.admin.DevicePolicyManager
import android.app.admin.IDevicePolicyManager
import android.content.ComponentName
import android.content.Context
import android.content.Intent
import android.content.pm.PackageInstaller
import android.content.pm.PackageManager
import android.os.Build.VERSION
import androidx.activity.ComponentActivity.CONTEXT_IGNORE_SECURITY
import androidx.activity.ComponentActivity.DEVICE_POLICY_SERVICE
import androidx.activity.result.ActivityResultLauncher
import com.bintianqi.owndroid.PackageInstallerReceiver
import com.rosan.dhizuku.api.Dhizuku
import com.rosan.dhizuku.api.Dhizuku.binderWrapper
import com.rosan.dhizuku.api.DhizukuBinderWrapper
import kotlinx.coroutines.flow.MutableStateFlow
import java.io.IOException
import java.io.InputStream
@@ -46,3 +54,26 @@ fun installPackage(context: Context, inputStream: InputStream) {
val pendingIntent = PendingIntent.getBroadcast(context, sessionId, intent, PendingIntent.FLAG_IMMUTABLE).intentSender
session.commit(pendingIntent)
}
@SuppressLint("PrivateApi")
fun binderWrapperDevicePolicyManager(appContext: Context): DevicePolicyManager {
try {
val context = appContext.createPackageContext(Dhizuku.getOwnerComponent().packageName, CONTEXT_IGNORE_SECURITY)
val manager = context.getSystemService(DEVICE_POLICY_SERVICE) as DevicePolicyManager
val field = manager.javaClass.getDeclaredField("mService")
field.isAccessible = true
val oldInterface = field[manager] as IDevicePolicyManager
if (oldInterface is DhizukuBinderWrapper) return manager
val oldBinder = oldInterface.asBinder()
val newBinder = binderWrapper(oldBinder)
val newInterface = IDevicePolicyManager.Stub.asInterface(newBinder)
field[manager] = newInterface
return manager
} catch (e: NoSuchFieldException) {
throw RuntimeException(e)
} catch (e: IllegalAccessException) {
throw RuntimeException(e)
} catch (e: PackageManager.NameNotFoundException) {
throw RuntimeException(e)
}
}