Better stub hiding experience

2020-10-17 03:40:43 -07:00 · 2020-10-17 03:40:43 -07:00 · 2e4dc91b96
parent aaaaa3d044
commit 2e4dc91b96
16 changed files with 162 additions and 134 deletions
--- a/app/src/main/java/com/topjohnwu/magisk/core/Config.kt
+++ b/app/src/main/java/com/topjohnwu/magisk/core/Config.kt
@ -1,5 +1,6 @@
 package com.topjohnwu.magisk.core

+import android.annotation.SuppressLint
 import android.content.Context
 import android.content.SharedPreferences
 import android.util.Xml
@ -9,19 +10,16 @@ import com.topjohnwu.magisk.BuildConfig
 import com.topjohnwu.magisk.core.magiskdb.SettingsDao
 import com.topjohnwu.magisk.core.magiskdb.StringDao
 import com.topjohnwu.magisk.core.utils.BiometricHelper
-import com.topjohnwu.magisk.core.utils.defaultLocale
 import com.topjohnwu.magisk.core.utils.refreshLocale
 import com.topjohnwu.magisk.data.preference.PreferenceModel
 import com.topjohnwu.magisk.data.repository.DBConfig
 import com.topjohnwu.magisk.di.Protected
-import com.topjohnwu.magisk.ktx.get
 import com.topjohnwu.magisk.ktx.inject
 import com.topjohnwu.magisk.ui.theme.Theme
-import com.topjohnwu.superuser.Shell
-import com.topjohnwu.superuser.io.SuFile
-import com.topjohnwu.superuser.io.SuFileInputStream
 import org.xmlpull.v1.XmlPullParser
 import java.io.File
+import java.io.IOException
+import java.io.InputStream

 object Config : PreferenceModel, DBConfig {

@ -29,6 +27,15 @@ object Config : PreferenceModel, DBConfig {
    override val settingsDao: SettingsDao by inject()
    override val context: Context by inject(Protected)

+    @get:SuppressLint("ApplySharedPref")
+    val prefsFile: File get() {
+        // Flush prefs to disk
+        prefs.edit().apply {
+            remove(Key.ASKED_HOME)
+        }.commit()
+        return File("${context.filesDir.parent}/shared_prefs", "${fileName}.xml")
+    }
+
    object Key {
        // db configs
        const val ROOT_ACCESS = "root_access"
@ -119,7 +126,7 @@ object Config : PreferenceModel, DBConfig {
    var repoOrder by preference(Key.REPO_ORDER, Value.ORDER_DATE)

    var suDefaultTimeout by preferenceStrInt(Key.SU_REQUEST_TIMEOUT, 10)
-    var suAutoReponse by preferenceStrInt(Key.SU_AUTO_RESPONSE, Value.SU_PROMPT)
+    var suAutoResponse by preferenceStrInt(Key.SU_AUTO_RESPONSE, Value.SU_PROMPT)
    var suNotification by preferenceStrInt(Key.SU_NOTIFICATION, Value.NOTIFICATION_TOAST)
    var updateChannel by preferenceStrInt(Key.UPDATE_CHANNEL, defaultChannel)

@ -150,8 +157,12 @@ object Config : PreferenceModel, DBConfig {

    private const val SU_FINGERPRINT = "su_fingerprint"

-    fun initialize() {
-        prefs.edit { parsePrefs() }
+    fun load(pkg: String) {
+        try {
+            context.contentResolver.openInputStream(Provider.PREFS_URI(pkg))?.use {
+                prefs.edit { parsePrefs(it) }
+            }
+        } catch (e: IOException) {}

        prefs.edit {
            // Settings migration
@ -173,10 +184,8 @@ object Config : PreferenceModel, DBConfig {
        }
    }

-    private fun SharedPreferences.Editor.parsePrefs() {
-        val config = SuFile.open("/data/adb", Const.MANAGER_CONFIGS)
-        if (config.exists()) runCatching {
-            val input = SuFileInputStream(config)
+    private fun SharedPreferences.Editor.parsePrefs(input: InputStream) {
+        runCatching {
            val parser = Xml.newPullParser()
            parser.setFeature(XmlPullParser.FEATURE_PROCESS_NAMESPACES, false)
            parser.setInput(input, "UTF-8")
@ -220,21 +229,6 @@ object Config : PreferenceModel, DBConfig {
                    else -> parser.next()
                }
            }
-            config.delete()
        }
    }
-
-    fun export() {
-        // Flush prefs to disk
-        prefs.edit().apply {
-            remove(Key.ASKED_HOME)
-        }.commit()
-        val context = get<Context>(Protected)
-        val xml = File(
-            "${context.filesDir.parent}/shared_prefs",
-            "${context.packageName}_preferences.xml"
-        )
-        Shell.su("cat $xml > /data/adb/${Const.MANAGER_CONFIGS}").exec()
-    }
-
 }
--- a/app/src/main/java/com/topjohnwu/magisk/core/Const.kt
+++ b/app/src/main/java/com/topjohnwu/magisk/core/Const.kt
@ -46,7 +46,6 @@ object Const {
    }

    object Url {
-        const val ZIP_URL = "https://github.com/Magisk-Modules-Repo/%s/archive/master.zip"
        const val PATREON_URL = "https://www.patreon.com/topjohnwu"
        const val SOURCE_CODE_URL = "https://github.com/topjohnwu/Magisk"

@ -58,11 +57,9 @@ object Const {
    }

    object Key {
-        // others
-        const val LINK_KEY = "Link"
-        const val ETAG_KEY = "ETag"
        // intents
        const val OPEN_SECTION = "section"
+        const val HIDDEN_PKG = "hidden_pkg"
    }

    object Value {
--- a/app/src/main/java/com/topjohnwu/magisk/core/Provider.kt
+++ b/app/src/main/java/com/topjohnwu/magisk/core/Provider.kt
@ -2,9 +2,13 @@ package com.topjohnwu.magisk.core

 import android.content.Context
 import android.content.pm.ProviderInfo
+import android.net.Uri
 import android.os.Bundle
+import android.os.ParcelFileDescriptor
+import android.os.ParcelFileDescriptor.MODE_READ_ONLY
 import com.topjohnwu.magisk.FileProvider
 import com.topjohnwu.magisk.core.su.SuCallbackHandler
+import java.io.File

 open class Provider : FileProvider() {

@ -16,4 +20,20 @@ open class Provider : FileProvider() {
        SuCallbackHandler(context!!, method, extras)
        return Bundle.EMPTY
    }
+
+    override fun openFile(uri: Uri, mode: String): ParcelFileDescriptor? {
+        return when (uri.encodedPath ?: return null) {
+            "/apk_file" -> ParcelFileDescriptor.open(File(context!!.packageCodePath), MODE_READ_ONLY)
+            "/prefs_file" -> ParcelFileDescriptor.open(Config.prefsFile, MODE_READ_ONLY)
+            else -> super.openFile(uri, mode)
+        }
+    }
+
+    companion object {
+        fun APK_URI(pkg: String) =
+            Uri.Builder().scheme("content").authority("$pkg.provider").path("apk_file").build()
+
+        fun PREFS_URI(pkg: String) =
+            Uri.Builder().scheme("content").authority("$pkg.provider").path("prefs_file").build()
+    }
 }
--- a/app/src/main/java/com/topjohnwu/magisk/core/SplashActivity.kt
+++ b/app/src/main/java/com/topjohnwu/magisk/core/SplashActivity.kt
@ -3,9 +3,9 @@ package com.topjohnwu.magisk.core
 import android.app.Activity
 import android.content.Context
 import android.os.Bundle
-import com.topjohnwu.magisk.BuildConfig
+import com.topjohnwu.magisk.BuildConfig.APPLICATION_ID
 import com.topjohnwu.magisk.R
-import com.topjohnwu.magisk.data.network.RawServices
+import com.topjohnwu.magisk.data.repository.NetworkService
 import com.topjohnwu.magisk.ktx.get
 import com.topjohnwu.magisk.ui.MainActivity
 import com.topjohnwu.magisk.view.Notifications
@ -29,18 +29,18 @@ open class SplashActivity : Activity() {
        }
    }

-    private fun handleRepackage() {
-        val pkg = Config.suManager
-        if (Config.suManager.isNotEmpty() && packageName == BuildConfig.APPLICATION_ID) {
-            Config.suManager = ""
-            Shell.su("(pm uninstall $pkg)& >/dev/null 2>&1").exec()
-        }
-        if (pkg == packageName) {
+    private fun handleRepackage(pkg: String?) {
+        if (packageName != APPLICATION_ID) {
            runCatching {
-                // We are the manager, remove com.topjohnwu.magisk as it could be malware
-                packageManager.getApplicationInfo(BuildConfig.APPLICATION_ID, 0)
-                Shell.su("(pm uninstall ${BuildConfig.APPLICATION_ID})& >/dev/null 2>&1").exec()
+                // Hidden, remove com.topjohnwu.magisk if exist as it could be malware
+                packageManager.getApplicationInfo(APPLICATION_ID, 0)
+                Shell.su("(pm uninstall $APPLICATION_ID)& >/dev/null 2>&1").exec()
            }
+        } else {
+            if (Config.suManager.isNotEmpty())
+                Config.suManager = ""
+            pkg ?: return
+            Shell.su("(pm uninstall $pkg)& >/dev/null 2>&1").exec()
        }
    }

@ -48,14 +48,16 @@ open class SplashActivity : Activity() {
        // Pre-initialize root shell
        Shell.getShell()

-        Config.initialize()
-        handleRepackage()
+        val hiddenPackage = intent.getStringExtra(Const.Key.HIDDEN_PKG)
+
+        Config.load(hiddenPackage ?: APPLICATION_ID)
+        handleRepackage(hiddenPackage)
        Notifications.setup(this)
        UpdateCheckService.schedule(this)
        Shortcuts.setupDynamic(this)

-        // Pre-fetch network stuffs
-        get<RawServices>()
+        // Pre-fetch network services
+        get<NetworkService>()

        DONE = true

--- a/app/src/main/java/com/topjohnwu/magisk/core/download/BaseDownloader.kt
+++ b/app/src/main/java/com/topjohnwu/magisk/core/download/BaseDownloader.kt
@ -69,8 +69,8 @@ abstract class BaseDownloader : BaseService(), KoinComponent {
    // -- Download logic

    private suspend fun Subject.startDownload() {
-        val skip = this is Subject.Magisk && file.checkSum("MD5", magisk.md5)
-        if (!skip) {
+        val skipDl = this is Subject.Magisk && file.checkSum("MD5", magisk.md5)
+        if (!skipDl) {
            val stream = service.fetchFile(url).toProgressStream(this)
            when (this) {
                is Subject.Module ->  // Download and process on-the-fly
--- a/app/src/main/java/com/topjohnwu/magisk/core/download/ManagerHandler.kt
+++ b/app/src/main/java/com/topjohnwu/magisk/core/download/ManagerHandler.kt
@ -5,20 +5,16 @@ import androidx.core.net.toFile
 import com.topjohnwu.magisk.BuildConfig
 import com.topjohnwu.magisk.DynAPK
 import com.topjohnwu.magisk.R
-import com.topjohnwu.magisk.core.Config
 import com.topjohnwu.magisk.core.Info
-import com.topjohnwu.magisk.core.download.Action.APK.Restore
-import com.topjohnwu.magisk.core.download.Action.APK.Upgrade
 import com.topjohnwu.magisk.core.isRunningAsStub
-import com.topjohnwu.magisk.core.tasks.PatchAPK
+import com.topjohnwu.magisk.core.tasks.HideAPK
 import com.topjohnwu.magisk.ktx.relaunchApp
 import com.topjohnwu.magisk.ktx.writeTo
-import com.topjohnwu.superuser.Shell
 import java.io.File

 private fun Context.patch(apk: File) {
    val patched = File(apk.parent, "patched.apk")
-    PatchAPK.patch(this, apk.path, patched.path, packageName, applicationInfo.nonLocalizedLabel)
+    HideAPK.patch(this, apk.path, patched.path, packageName, applicationInfo.nonLocalizedLabel)
    apk.delete()
    patched.renameTo(apk)
 }
@ -31,7 +27,7 @@ private fun BaseDownloader.notifyHide(id: Int) {
    }
 }

-private suspend fun BaseDownloader.upgrade(subject: Subject.Manager) {
+suspend fun BaseDownloader.handleAPK(subject: Subject.Manager) {
    val apk = subject.file.toFile()
    val id = subject.notifyID()
    if (isRunningAsStub) {
@ -53,20 +49,3 @@ private suspend fun BaseDownloader.upgrade(subject: Subject.Manager) {
        patch(apk)
    }
 }
-
-private fun BaseDownloader.restore(apk: File, id: Int) {
-    update(id) {
-        it.setProgress(0, 0, true)
-            .setProgress(0, 0, true)
-            .setContentTitle(getString(R.string.restore_img_msg))
-            .setContentText("")
-    }
-    Config.export()
-    Shell.su("pm install $apk && pm uninstall $packageName").exec()
-}
-
-suspend fun BaseDownloader.handleAPK(subject: Subject.Manager) =
-    when (subject.action) {
-        is Upgrade -> upgrade(subject)
-        is Restore -> restore(subject.file.toFile(), subject.notifyID())
-    }
--- a/app/src/main/java/com/topjohnwu/magisk/core/download/Subject.kt
+++ b/app/src/main/java/com/topjohnwu/magisk/core/download/Subject.kt
@ -40,16 +40,12 @@ sealed class Subject : Parcelable {

    @Parcelize
    class Manager(
-        override val action: Action.APK,
        private val app: ManagerJson = Info.remote.app,
        val stub: StubJson = Info.remote.stub
    ) : Subject() {
-
-        override val title: String
-            get() = "MagiskManager-${app.version}(${app.versionCode})"
-
-        override val url: String
-            get() = app.link
+        override val action get() = Action.Download
+        override val title: String get() = "MagiskManager-${app.version}(${app.versionCode})"
+        override val url: String get() = app.link

        @IgnoredOnParcel
        override val file by lazy {
--- a/app/src/main/java/com/topjohnwu/magisk/core/su/SuRequestHandler.kt
+++ b/app/src/main/java/com/topjohnwu/magisk/core/su/SuRequestHandler.kt
@ -36,7 +36,7 @@ class SuRequestHandler(
        if (policy.packageName == BuildConfig.APPLICATION_ID)
            return false

-        when (Config.suAutoReponse) {
+        when (Config.suAutoResponse) {
            Config.Value.SU_AUTO_DENY -> {
                respond(SuPolicy.DENY, 0)
                return false
--- a/app/src/main/java/com/topjohnwu/magisk/core/tasks/PatchAPK.kt
+++ b/app/src/main/java/com/topjohnwu/magisk/core/tasks/PatchAPK.kt
@ -1,20 +1,20 @@
 package com.topjohnwu.magisk.core.tasks

+import android.app.ProgressDialog
 import android.content.Context
+import android.content.Intent
 import android.os.Build.VERSION.SDK_INT
 import android.widget.Toast
+import com.topjohnwu.magisk.BuildConfig.APPLICATION_ID
+import com.topjohnwu.magisk.DynAPK
 import com.topjohnwu.magisk.R
-import com.topjohnwu.magisk.core.Config
-import com.topjohnwu.magisk.core.Const
-import com.topjohnwu.magisk.core.Info
-import com.topjohnwu.magisk.core.isRunningAsStub
+import com.topjohnwu.magisk.core.*
 import com.topjohnwu.magisk.core.utils.AXML
 import com.topjohnwu.magisk.core.utils.Keygen
 import com.topjohnwu.magisk.data.repository.NetworkService
-import com.topjohnwu.magisk.ktx.get
+import com.topjohnwu.magisk.ktx.inject
 import com.topjohnwu.magisk.ktx.writeTo
 import com.topjohnwu.magisk.utils.Utils
-import com.topjohnwu.magisk.view.Notifications
 import com.topjohnwu.signing.JarMap
 import com.topjohnwu.signing.SignApk
 import com.topjohnwu.superuser.Shell
@ -28,18 +28,20 @@ import java.io.FileOutputStream
 import java.io.IOException
 import java.security.SecureRandom

-object PatchAPK {
+object HideAPK {

    private const val ALPHA = "abcdefghijklmnopqrstuvwxyz"
    private const val ALPHADOTS = "$ALPHA....."
-
-    private const val APP_ID = "com.topjohnwu.magisk"
    private const val APP_NAME = "Magisk Manager"

    // Some arbitrary limit
    const val MAX_LABEL_LENGTH = 32

-    private fun genPackageName(): CharSequence {
+    private val svc: NetworkService by inject()
+    private val Context.APK_URI get() = Provider.APK_URI(packageName)
+    private val Context.PREFS_URI get() = Provider.PREFS_URI(packageName)
+
+    private fun genPackageName(): String {
        val random = SecureRandom()
        val len = 5 + random.nextInt(15)
        val builder = StringBuilder(len)
@ -59,20 +61,20 @@ object PatchAPK {
            val idx = random.nextInt(len - 1)
            builder[idx] = '.'
        }
-        return builder
+        return builder.toString()
    }

    fun patch(
        context: Context,
        apk: String, out: String,
-        pkg: CharSequence, label: CharSequence
+        pkg: String, label: CharSequence
    ): Boolean {
        try {
            val jar = JarMap.open(apk)
            val je = jar.getJarEntry(Const.ANDROID_MANIFEST)
            val xml = AXML(jar.getRawData(je))

-            if (!xml.findAndPatch(APP_ID to pkg.toString(), APP_NAME to label.toString()))
+            if (!xml.findAndPatch(APPLICATION_ID to pkg, APP_NAME to label.toString()))
                return false

            // Write apk changes
@ -91,7 +93,6 @@ object PatchAPK {
        val dlStub = !isRunningAsStub && SDK_INT >= 28 && Const.Version.atLeast_20_2()
        val src = if (dlStub) {
            val stub = File(context.cacheDir, "stub.apk")
-            val svc = get<NetworkService>()
            try {
                svc.fetchFile(Info.remote.stub.link).byteStream().use {
                    it.writeTo(stub)
@ -117,23 +118,73 @@ object PatchAPK {
        if (!Shell.su("adb_pm_install $repack").exec().isSuccess)
            return false

-        Config.suManager = pkg.toString()
-        Config.export()
-        Shell.su("pm uninstall $APP_ID").submit()
+        context.apply {
+            val intent = packageManager.getLaunchIntentForPackage(pkg) ?: return false
+            Config.suManager = pkg
+            grantUriPermission(pkg, APK_URI, Intent.FLAG_GRANT_READ_URI_PERMISSION)
+            grantUriPermission(pkg, PREFS_URI, Intent.FLAG_GRANT_READ_URI_PERMISSION)
+            startActivity(intent)
+        }

        return true
    }

-    fun hideManager(context: Context, label: String) {
-        val progress = Notifications.progress(context, context.getString(R.string.hide_manager_title))
-        Notifications.mgr.notify(Const.ID.HIDE_MANAGER_NOTIFICATION_ID, progress.build())
+    @Suppress("DEPRECATION")
+    fun hide(context: Context, label: String) {
+        val dialog = ProgressDialog.show(context, context.getString(R.string.hide_manager_title), "", true)
        GlobalScope.launch {
            val result = withContext(Dispatchers.IO) {
                patchAndHide(context, label)
            }
-            if (!result)
+            if (!result) {
                Utils.toast(R.string.hide_manager_fail_toast, Toast.LENGTH_LONG)
-            Notifications.mgr.cancel(Const.ID.HIDE_MANAGER_NOTIFICATION_ID)
+                dialog.dismiss()
+            }
+        }
+    }
+
+    private suspend fun downloadAndRestore(context: Context): Boolean {
+        val apk = if (isRunningAsStub) {
+            DynAPK.current(context)
+        } else {
+            File(context.cacheDir, "manager.apk").also { apk ->
+                try {
+                    svc.fetchFile(Info.remote.app.link).byteStream().use {
+                        it.writeTo(apk)
+                    }
+                } catch (e: IOException) {
+                    Timber.e(e)
+                    return false
+                }
+            }
+        }
+
+        if (!Shell.su("adb_pm_install $apk").exec().isSuccess)
+            return false
+
+        context.apply {
+            val intent = packageManager.getLaunchIntentForPackage(APPLICATION_ID) ?: return false
+            Config.suManager = ""
+            grantUriPermission(APPLICATION_ID, APK_URI, Intent.FLAG_GRANT_READ_URI_PERMISSION)
+            grantUriPermission(APPLICATION_ID, PREFS_URI, Intent.FLAG_GRANT_READ_URI_PERMISSION)
+            intent.putExtra(Const.Key.HIDDEN_PKG, packageName)
+            startActivity(intent)
+        }
+
+        return true
+    }
+
+    @Suppress("DEPRECATION")
+    fun restore(context: Context) {
+        val dialog = ProgressDialog.show(context, context.getString(R.string.restore_img_msg), "", true)
+        GlobalScope.launch {
+            val result = withContext(Dispatchers.IO) {
+                downloadAndRestore(context)
+            }
+            if (!result) {
+                Utils.toast(R.string.restore_manager_fail_toast, Toast.LENGTH_LONG)
+                dialog.dismiss()
+            }
        }
    }
 }
--- a/app/src/main/java/com/topjohnwu/magisk/data/preference/PreferenceModel.kt
+++ b/app/src/main/java/com/topjohnwu/magisk/data/preference/PreferenceModel.kt
@ -11,16 +11,14 @@ interface PreferenceModel {

    val fileName: String
        get() = "${context.packageName}_preferences"
-    val commitPrefs: Boolean
-        get() = false
+
    val prefs: SharedPreferences
        get() = context.getSharedPreferences(fileName, Context.MODE_PRIVATE)

    fun preferenceStrInt(
        name: String,
        default: Int,
-        writeDefault: Boolean = false,
-        commit: Boolean = commitPrefs
+        commit: Boolean = false
    ) = object: ReadWriteProperty<PreferenceModel, Int> {
        val base = StringProperty(name, default.toString(), commit)
        override fun getValue(thisRef: PreferenceModel, property: KProperty<*>): Int =
@ -33,37 +31,37 @@ interface PreferenceModel {
    fun preference(
        name: String,
        default: Boolean,
-        commit: Boolean = commitPrefs
+        commit: Boolean = false
    ) = BooleanProperty(name, default, commit)

    fun preference(
        name: String,
        default: Float,
-        commit: Boolean = commitPrefs
+        commit: Boolean = false
    ) = FloatProperty(name, default, commit)

    fun preference(
        name: String,
        default: Int,
-        commit: Boolean = commitPrefs
+        commit: Boolean = false
    ) = IntProperty(name, default, commit)

    fun preference(
        name: String,
        default: Long,
-        commit: Boolean = commitPrefs
+        commit: Boolean = false
    ) = LongProperty(name, default, commit)

    fun preference(
        name: String,
        default: String,
-        commit: Boolean = commitPrefs
+        commit: Boolean = false
    ) = StringProperty(name, default, commit)

    fun preference(
        name: String,
        default: Set<String>,
-        commit: Boolean = commitPrefs
+        commit: Boolean = false
    ) = StringSetProperty(name, default, commit)

 }
--- a/app/src/main/java/com/topjohnwu/magisk/events/dialog/ManagerInstallDialog.kt
+++ b/app/src/main/java/com/topjohnwu/magisk/events/dialog/ManagerInstallDialog.kt
@ -2,7 +2,6 @@ package com.topjohnwu.magisk.events.dialog

 import com.topjohnwu.magisk.R
 import com.topjohnwu.magisk.core.Info
-import com.topjohnwu.magisk.core.download.Action
 import com.topjohnwu.magisk.core.download.DownloadService
 import com.topjohnwu.magisk.core.download.Subject
 import com.topjohnwu.magisk.ktx.res
@ -16,7 +15,7 @@ class ManagerInstallDialog : DialogEvent() {

    override fun build(dialog: MagiskDialog) {
        with(dialog) {
-            val subject = Subject.Manager(Action.APK.Upgrade)
+            val subject = Subject.Manager()

            applyTitle(R.string.repo_install_title.res(R.string.app_name.res()))
            applyMessage(R.string.repo_install_msg.res(subject.title))
--- a/app/src/main/java/com/topjohnwu/magisk/ui/settings/SettingsItems.kt
+++ b/app/src/main/java/com/topjohnwu/magisk/ui/settings/SettingsItems.kt
@ -11,7 +11,7 @@ import com.topjohnwu.magisk.core.Config
 import com.topjohnwu.magisk.core.Const
 import com.topjohnwu.magisk.core.Info
 import com.topjohnwu.magisk.core.UpdateCheckService
-import com.topjohnwu.magisk.core.tasks.PatchAPK
+import com.topjohnwu.magisk.core.tasks.HideAPK
 import com.topjohnwu.magisk.core.utils.BiometricHelper
 import com.topjohnwu.magisk.core.utils.MediaStoreUtils
 import com.topjohnwu.magisk.core.utils.availableLocales
@ -90,7 +90,7 @@ object Hide : BaseSettingsItem.Input() {
        set(value) = set(value, field, { field = it }, BR.result, BR.error)

    val maxLength
-        get() = PatchAPK.MAX_LABEL_LENGTH
+        get() = HideAPK.MAX_LABEL_LENGTH

    @get:Bindable
    val isError
@ -288,9 +288,9 @@ object AutomaticResponse : BaseSettingsItem.Selector() {
    override val entryRes = R.array.auto_response
    override val entryValRes = R.array.value_array

-    override var value = Config.suAutoReponse
+    override var value = Config.suAutoResponse
        set(value) = setV(value, field, { field = it }) {
-            Config.suAutoReponse = entryValues[it].toInt()
+            Config.suAutoResponse = entryValues[it].toInt()
        }
 }

--- a/app/src/main/java/com/topjohnwu/magisk/ui/settings/SettingsViewModel.kt
+++ b/app/src/main/java/com/topjohnwu/magisk/ui/settings/SettingsViewModel.kt
@ -15,11 +15,8 @@ import com.topjohnwu.magisk.arch.diffListOf
 import com.topjohnwu.magisk.arch.itemBindingOf
 import com.topjohnwu.magisk.core.Const
 import com.topjohnwu.magisk.core.Info
-import com.topjohnwu.magisk.core.download.Action
-import com.topjohnwu.magisk.core.download.DownloadService
-import com.topjohnwu.magisk.core.download.Subject
 import com.topjohnwu.magisk.core.isRunningAsStub
-import com.topjohnwu.magisk.core.tasks.PatchAPK
+import com.topjohnwu.magisk.core.tasks.HideAPK
 import com.topjohnwu.magisk.data.database.RepoDao
 import com.topjohnwu.magisk.events.AddHomeIconEvent
 import com.topjohnwu.magisk.events.RecreateEvent
@ -104,7 +101,7 @@ class SettingsViewModel(
        is Theme -> SettingsFragmentDirections.actionSettingsFragmentToThemeFragment().publish()
        is ClearRepoCache -> clearRepoCache()
        is SystemlessHosts -> createHosts()
-        is Restore -> restoreManager()
+        is Restore -> HideAPK.restore(view.context)
        is AddShortcut -> AddHomeIconEvent().publish()
        else -> callback()
    }
@ -112,7 +109,7 @@ class SettingsViewModel(
    override fun onItemChanged(view: View, item: BaseSettingsItem) = when (item) {
        is Language -> RecreateEvent().publish()
        is UpdateChannel -> openUrlIfNecessary(view)
-        is Hide -> PatchAPK.hideManager(view.context, item.value)
+        is Hide -> HideAPK.hide(view.context, item.value)
        else -> Unit
    }

@ -142,9 +139,4 @@ class SettingsViewModel(
            Utils.toast(R.string.settings_hosts_toast, Toast.LENGTH_SHORT)
        }
    }
-
-    private fun restoreManager() {
-        DownloadService.start(get(), Subject.Manager(Action.APK.Restore))
-    }
-
 }
--- a/app/src/main/java/com/topjohnwu/magisk/view/Notifications.kt
+++ b/app/src/main/java/com/topjohnwu/magisk/view/Notifications.kt
@ -15,7 +15,6 @@ import com.topjohnwu.magisk.core.Const.ID.PROGRESS_NOTIFICATION_CHANNEL
 import com.topjohnwu.magisk.core.Const.ID.UPDATE_NOTIFICATION_CHANNEL
 import com.topjohnwu.magisk.core.SplashActivity
 import com.topjohnwu.magisk.core.cmp
-import com.topjohnwu.magisk.core.download.Action
 import com.topjohnwu.magisk.core.download.DownloadService
 import com.topjohnwu.magisk.core.download.Subject
 import com.topjohnwu.magisk.core.intent
@ -70,7 +69,7 @@ object Notifications {
    }

    fun managerUpdate(context: Context) {
-        val intent = DownloadService.pendingIntent(context, Subject.Manager(Action.APK.Upgrade))
+        val intent = DownloadService.pendingIntent(context, Subject.Manager())

        val builder = updateBuilder(context)
            .setContentTitle(context.getString(R.string.manager_update_title))
--- a/app/src/main/res/raw/manager.sh
+++ b/app/src/main/res/raw/manager.sh
@ -90,7 +90,7 @@ EOF
 }

 adb_pm_install() {
-  local tmp=/data/local/tmp/patched.apk
+  local tmp=/data/local/tmp/temp.apk
  cp -f "$1" $tmp
  chmod 644 $tmp
  su 2000 -c pm install $tmp || pm install $tmp
--- a/app/src/main/res/values/strings.xml
+++ b/app/src/main/res/values/strings.xml
@ -217,7 +217,8 @@
    <string name="done">Done!</string>
    <string name="failure">Failed</string>
    <string name="hide_manager_title">Hiding Magisk Manager…</string>
-    <string name="hide_manager_fail_toast">Hide Magisk Manager failed.</string>
+    <string name="hide_manager_fail_toast">Hide Magisk Manager failed</string>
+    <string name="restore_manager_fail_toast">Restoring Magisk Manager failed</string>
    <string name="open_link_failed_toast">No application found to open the link</string>
    <string name="complete_uninstall">Complete Uninstall</string>
    <string name="restore_img">Restore Images</string>