Update documentations

Close #1607

.gitattributes

@@ -11,7 +11,7 @@
 *.bat text eol=crlf
 
 # Denote all files that are truly binary and should not be modified.
-chromeos/** binary
+tools/** binary
 *.jar binary
 *.exe binary
 *.apk binary

.gitmodules

@@ -19,3 +19,9 @@
 [submodule "nanopb"]
 	path = native/jni/external/nanopb
 	url = https://github.com/nanopb/nanopb.git
+[submodule "mincrypt"]
+	path = native/jni/external/mincrypt
+	url = https://github.com/topjohnwu/mincrypt.git
+[submodule "termux-elf-cleaner"]
+	path = tools/termux-elf-cleaner
+	url = https://github.com/termux/termux-elf-cleaner.git

README.MD

@@ -10,7 +10,7 @@ Furthermore, Magisk provides a **Systemless Interface** to alter the system (or
 
 ## Bug Reports
 
-**Make sure to install the latest [Canary Build](https://forum.xda-developers.com/apps/magisk/dev-magisk-canary-channel-bleeding-edge-t3839337) before reporting any bugs!** **DO NOT** report bugs that is already fixed upstream. Follow the instructions in the [Canary Channel XDA Thread](https://forum.xda-developers.com/apps/magisk/dev-magisk-canary-channel-bleeding-edge-t3839337), and report a bug either by opening an issue on GitHub or directly in the thread.
+**Make sure to install the latest [Canary Build](https://forum.xda-developers.com/apps/magisk/dev-magisk-canary-channel-bleeding-edge-t3839337) before reporting any bugs!** **DO NOT** report bugs that are already fixed upstream. Follow the instructions in the [Canary Channel XDA Thread](https://forum.xda-developers.com/apps/magisk/dev-magisk-canary-channel-bleeding-edge-t3839337), and report a bug either by [opening an issue on GitHub](https://github.com/topjohnwu/Magisk/issues) or directly in the thread.
 
 ## Building Environment Requirements
 

app/build.gradle

@@ -17,18 +17,16 @@ android {
         applicationId 'com.topjohnwu.magisk'
         vectorDrawables.useSupportLibrary = true
         multiDexEnabled true
-        versionName configProps['appVersion']
-        versionCode configProps['appVersionCode'] as Integer
-        javaCompileOptions {
-            annotationProcessorOptions {
-                argument('butterknife.debuggable', 'false')
-            }
-        }
+        versionName props['appVersion']
+        versionCode props['appVersionCode'] as Integer
     }
 
     buildTypes {
         release {
-            proguardFiles getDefaultProguardFile('proguard-android-optimize.txt'), 'proguard-rules.pro'
+            minifyEnabled true
+            shrinkResources true
+            proguardFiles getDefaultProguardFile('proguard-android-optimize.txt'),
+                    'proguard-rules.pro', 'proguard-kotlin.pro'
         }
     }
 
@@ -41,15 +39,22 @@ android {
         exclude '/META-INF/*.kotlin_module'
         exclude '/META-INF/rxkotlin.properties'
         exclude '/androidsupportmultidexversion.txt'
-        exclude '/org/**'
+        exclude '/org/bouncycastle/**'
         exclude '/kotlin/**'
         exclude '/kotlinx/**'
     }
+
+    kotlinOptions {
+        jvmTarget = '1.8'
+    }
+}
+
+androidExtensions {
+    experimental = true
 }
 
 dependencies {
     implementation fileTree(include: ['*.jar'], dir: 'libs')
-    implementation project(':net')
     implementation project(':shared')
     implementation project(':signing')
 
@@ -57,27 +62,58 @@ dependencies {
     implementation 'com.jakewharton.timber:timber:4.7.1'
     implementation 'com.github.skoumalcz:teanity:0.3.3'
     implementation 'com.ncapdevi:frag-nav:3.2.0'
+    implementation 'com.github.pwittchen:reactivenetwork-rx2:3.0.6'
 
-    def markwonVersion = '3.0.1'
-    implementation "ru.noties.markwon:core:${markwonVersion}"
-    implementation "ru.noties.markwon:html:${markwonVersion}"
-    implementation "ru.noties.markwon:image-svg:${markwonVersion}"
+    def vMarkwon = '3.1.0'
+    implementation "ru.noties.markwon:core:${vMarkwon}"
+    implementation "ru.noties.markwon:html:${vMarkwon}"
+    implementation "ru.noties.markwon:image-svg:${vMarkwon}"
 
-    def libsuVersion = '2.5.0'
-    implementation "com.github.topjohnwu.libsu:core:${libsuVersion}"
-    implementation "com.github.topjohnwu.libsu:io:${libsuVersion}"
+    def vLibsu = '2.5.1'
+    implementation "com.github.topjohnwu.libsu:core:${vLibsu}"
+    implementation "com.github.topjohnwu.libsu:io:${vLibsu}"
 
-    def koin = "2.0.0-rc-2"
-    implementation "org.koin:koin-core:${koin}"
-    implementation "org.koin:koin-android:${koin}"
-    implementation "org.koin:koin-androidx-viewmodel:${koin}"
+    def vKoin = "2.0.1"
+    implementation "org.koin:koin-core:${vKoin}"
+    implementation "org.koin:koin-android:${vKoin}"
+    implementation "org.koin:koin-androidx-viewmodel:${vKoin}"
+
+    def vRetrofit = '2.6.1'
+    implementation "com.squareup.retrofit2:retrofit:${vRetrofit}"
+    implementation "com.squareup.retrofit2:converter-moshi:${vRetrofit}"
+    implementation "com.squareup.retrofit2:converter-scalars:${vRetrofit}"
+    implementation "com.squareup.retrofit2:adapter-rxjava2:${vRetrofit}"
+
+    def vOkHttp = '3.12.2'
+    implementation "com.squareup.okhttp3:okhttp:${vOkHttp}"
+    implementation "com.squareup.okhttp3:logging-interceptor:${vOkHttp}"
+
+    def vMoshi = "1.8.0"
+    implementation "com.squareup.moshi:moshi:${vMoshi}"
+
+    def vKotshi = "2.0.1"
+    implementation "se.ansman.kotshi:api:${vKotshi}"
+    kapt "se.ansman.kotshi:compiler:${vKotshi}"
+
+    modules {
+        module('androidx.room:room-runtime') {
+            replacedBy('com.github.topjohnwu:room-runtime')
+        }
+    }
+    def vRoom = "2.1.0"
+    implementation "com.github.topjohnwu:room-runtime:${vRoom}"
+    kapt "androidx.room:room-compiler:${vRoom}"
+
+    implementation "org.jetbrains.kotlin:kotlin-stdlib:${kotlinVer}"
+    implementation "org.jetbrains.kotlin:kotlin-stdlib-jdk7:${kotlinVer}"
 
     implementation 'androidx.constraintlayout:constraintlayout:1.1.3'
-    implementation 'androidx.preference:preference:1.0.0'
-    implementation 'androidx.recyclerview:recyclerview:1.1.0-alpha05'
+    implementation 'androidx.browser:browser:1.0.0'
+    implementation 'androidx.preference:preference:1.1.0'
+    implementation 'androidx.recyclerview:recyclerview:1.1.0-beta04'
     implementation 'androidx.cardview:cardview:1.0.0'
-    implementation 'com.google.android.material:material:1.1.0-alpha06'
-    implementation 'androidx.work:work-runtime:2.0.1'
-    implementation 'androidx.transition:transition:1.2.0-alpha01'
+    implementation 'androidx.work:work-runtime:2.2.0'
+    implementation 'androidx.transition:transition:1.2.0-rc01'
     implementation 'androidx.multidex:multidex:2.0.1'
+    implementation 'com.google.android.material:material:1.1.0-alpha10'
 }

app/proguard-kotlin.pro

@@ -0,0 +1,20 @@
+## So every class is case insensitive to avoid some bizare problems
+-dontusemixedcaseclassnames
+
+## If reflection issues come up uncomment this, that should temporarily fix it
+#-keep class kotlin.** { *; }
+#-keep class kotlin.Metadata { *; }
+#-keepclassmembers class kotlin.Metadata {
+#    public <methods>;
+#}
+
+## Never warn about Kotlin, it should work as-is
+-dontwarn kotlin.**
+
+## Removes runtime null checks - doesn't really matter if it crashes on kotlin or java NPE
+-assumenosideeffects class kotlin.jvm.internal.Intrinsics {
+    static void checkParameterIsNotNull(java.lang.Object, java.lang.String);
+}
+
+## Useless option for dex
+-dontpreverify

app/proguard-rules.pro

@@ -17,9 +17,9 @@
 #}
 
 # Snet
--keepclassmembers class com.topjohnwu.magisk.utils.ISafetyNetHelper { *; }
--keep,allowobfuscation interface com.topjohnwu.magisk.utils.ISafetyNetHelper$Callback
--keepclassmembers class * implements com.topjohnwu.magisk.utils.ISafetyNetHelper$Callback {
+-keepclassmembers class com.topjohnwu.magisk.utils.SafetyNetHelper { *; }
+-keep,allowobfuscation interface com.topjohnwu.magisk.utils.SafetyNetHelper$Callback
+-keepclassmembers class * implements com.topjohnwu.magisk.utils.SafetyNetHelper$Callback {
   void onResponse(int);
 }
 
@@ -35,9 +35,7 @@
 -keepclassmembers class com.topjohnwu.signing.BootSigner { *; }
 
 # Strip logging
--assumenosideeffects class com.topjohnwu.magisk.utils.Logger {
-  public *** debug(...);
-}
+-assumenosideeffects class timber.log.Timber.Tree { *; }
 
 # Excessive obfuscation
 -repackageclasses 'a'

app/src/main/AndroidManifest.xml

@@ -3,14 +3,15 @@
     xmlns:tools="http://schemas.android.com/tools"
     package="com.topjohnwu.magisk">
 
+    <uses-permission android:name="android.permission.INTERNET"/>
     <uses-permission android:name="android.permission.VIBRATE" />
     <uses-permission android:name="android.permission.RECEIVE_BOOT_COMPLETED" />
     <uses-permission android:name="android.permission.FOREGROUND_SERVICE" />
     <uses-permission android:name="android.permission.USE_FINGERPRINT" />
 
     <application
-        android:allowBackup="true"
         android:name="a.e"
+        android:allowBackup="true"
         android:theme="@style/MagiskTheme"
         android:usesCleartextTraffic="true"
         tools:ignore="UnusedAttribute,GoogleAppIndexingWarning">
@@ -41,9 +42,9 @@
 
         <activity
             android:name="a.m"
-            android:exported="false"
             android:directBootAware="true"
             android:excludeFromRecents="true"
+            android:exported="false"
             android:theme="@style/MagiskTheme.SU" />
 
         <!-- Receiver -->
@@ -65,7 +66,8 @@
 
         <!-- Service -->
 
-        <service android:name="a.j" />
+        <service android:name="a.j"
+            android:exported="false" />
 
         <!-- Hardcode GMS version -->
         <meta-data

app/src/main/java/a/j.java

@@ -1,7 +1,7 @@
 package a;
 
-import com.topjohnwu.magisk.model.download.DownloadModuleService;
+import com.topjohnwu.magisk.model.download.DownloadService;
 
-public class j extends DownloadModuleService {
+public class j extends DownloadService {
     /* stub */
 }

app/src/main/java/a/w.java

@@ -2,14 +2,14 @@ package a;
 
 import android.content.Context;
 
-import com.topjohnwu.magisk.model.worker.DelegateWorker;
-
-import java.lang.reflect.ParameterizedType;
-
 import androidx.annotation.NonNull;
 import androidx.work.Worker;
 import androidx.work.WorkerParameters;
 
+import com.topjohnwu.magisk.model.worker.DelegateWorker;
+
+import java.lang.reflect.ParameterizedType;
+
 public abstract class w<T extends DelegateWorker> extends Worker {
 
     /* Wrapper class to workaround Proguard -keep class * extends Worker */
@@ -22,7 +22,7 @@ public abstract class w<T extends DelegateWorker> extends Worker {
         try {
             base = ((Class<T>) ((ParameterizedType) getClass().getGenericSuperclass())
                     .getActualTypeArguments()[0]).newInstance();
-            base.setActualWorker(this);
+            base.attachWorker(this);
         } catch (Exception ignored) {}
     }
 

app/src/main/java/com/topjohnwu/magisk/App.kt

@@ -1,43 +1,42 @@
 package com.topjohnwu.magisk
 
-import android.annotation.SuppressLint
-import android.app.Activity
 import android.app.Application
 import android.content.Context
-import android.content.SharedPreferences
 import android.content.res.Configuration
-import android.os.AsyncTask
-import android.os.Build
-import android.os.Bundle
 import androidx.appcompat.app.AppCompatDelegate
 import androidx.multidex.MultiDex
-import com.topjohnwu.magisk.data.database.MagiskDB
-import com.topjohnwu.magisk.data.database.RepoDatabaseHelper
+import androidx.room.Room
+import androidx.work.impl.WorkDatabase
+import androidx.work.impl.WorkDatabase_Impl
+import com.topjohnwu.magisk.data.database.RepoDatabase
+import com.topjohnwu.magisk.data.database.RepoDatabase_Impl
+import com.topjohnwu.magisk.di.ActivityTracker
 import com.topjohnwu.magisk.di.koinModules
+import com.topjohnwu.magisk.extensions.get
+import com.topjohnwu.magisk.net.Networking
 import com.topjohnwu.magisk.utils.LocaleManager
 import com.topjohnwu.magisk.utils.RootUtils
-import com.topjohnwu.magisk.utils.inject
-import com.topjohnwu.net.Networking
 import com.topjohnwu.superuser.Shell
-import org.koin.android.ext.android.inject
 import org.koin.android.ext.koin.androidContext
 import org.koin.core.context.startKoin
 import timber.log.Timber
-import java.util.concurrent.ThreadPoolExecutor
 
-open class App : Application(), Application.ActivityLifecycleCallbacks {
+open class App : Application() {
 
-    lateinit var protectedContext: Context
-
-    @Deprecated("Use dependency injection")
-    val prefs: SharedPreferences by inject()
-    @Deprecated("Use dependency injection")
-    val DB: MagiskDB by inject()
-    @Deprecated("Use dependency injection")
-    val repoDB: RepoDatabaseHelper by inject()
-
-    @Volatile
-    private var foreground: Activity? = null
+    init {
+        AppCompatDelegate.setCompatVectorFromResourcesEnabled(true)
+        Shell.Config.setFlags(Shell.FLAG_MOUNT_MASTER or Shell.FLAG_USE_MAGISK_BUSYBOX)
+        Shell.Config.verboseLogging(BuildConfig.DEBUG)
+        Shell.Config.addInitializers(RootUtils::class.java)
+        Shell.Config.setTimeout(2)
+        Room.setFactory {
+            when (it) {
+                WorkDatabase::class.java -> WorkDatabase_Impl()
+                RepoDatabase::class.java -> RepoDatabase_Impl()
+                else -> null
+            }
+        }
+    }
 
     override fun attachBaseContext(base: Context) {
         super.attachBaseContext(base)
@@ -50,17 +49,7 @@ open class App : Application(), Application.ActivityLifecycleCallbacks {
             modules(koinModules)
         }
 
-        protectedContext = baseContext
-        self = this
-        deContext = base
-
-        if (Build.VERSION.SDK_INT >= 24) {
-            protectedContext = base.createDeviceProtectedStorageContext()
-            deContext = protectedContext
-            deContext.moveSharedPreferencesFrom(base, base.defaultPrefsName)
-        }
-
-        registerActivityLifecycleCallbacks(this)
+        registerActivityLifecycleCallbacks(get<ActivityTracker>())
 
         Networking.init(base)
         LocaleManager.setLocale(this)
@@ -70,61 +59,4 @@ open class App : Application(), Application.ActivityLifecycleCallbacks {
         super.onConfigurationChanged(newConfig)
         LocaleManager.setLocale(this)
     }
-
-    //region ActivityLifecycleCallbacks
-    override fun onActivityCreated(activity: Activity, bundle: Bundle?) {}
-
-    override fun onActivityStarted(activity: Activity) {}
-
-    @Synchronized
-    override fun onActivityResumed(activity: Activity) {
-        foreground = activity
-    }
-
-    @Synchronized
-    override fun onActivityPaused(activity: Activity) {
-        foreground = null
-    }
-
-    override fun onActivityStopped(activity: Activity) {}
-
-    override fun onActivitySaveInstanceState(activity: Activity, bundle: Bundle) {}
-
-    override fun onActivityDestroyed(activity: Activity) {}
-    //endregion
-
-    private val Context.defaultPrefsName get() = "${packageName}_preferences"
-
-    companion object {
-
-        @SuppressLint("StaticFieldLeak")
-        @Deprecated("Use dependency injection")
-        @JvmStatic
-        lateinit var self: App
-
-        @SuppressLint("StaticFieldLeak")
-        @Deprecated("Use dependency injection; replace with protectedContext")
-        @JvmStatic
-        lateinit var deContext: Context
-
-        @Deprecated("Use Rx or similar")
-        @JvmField
-        var THREAD_POOL: ThreadPoolExecutor
-
-        init {
-            AppCompatDelegate.setCompatVectorFromResourcesEnabled(true)
-            Shell.Config.setFlags(Shell.FLAG_MOUNT_MASTER or Shell.FLAG_USE_MAGISK_BUSYBOX)
-            Shell.Config.verboseLogging(BuildConfig.DEBUG)
-            Shell.Config.addInitializers(RootUtils::class.java)
-            Shell.Config.setTimeout(2)
-            THREAD_POOL = AsyncTask.THREAD_POOL_EXECUTOR as ThreadPoolExecutor
-        }
-
-        @Deprecated("")
-        @JvmStatic
-        fun foreground(): Activity? {
-            val app: App by inject()
-            return app.foreground
-        }
-    }
 }

app/src/main/java/com/topjohnwu/magisk/ClassMap.java

@@ -1,31 +0,0 @@
-package com.topjohnwu.magisk;
-
-import com.topjohnwu.magisk.model.download.DownloadModuleService;
-import com.topjohnwu.magisk.model.receiver.GeneralReceiver;
-import com.topjohnwu.magisk.model.update.UpdateCheckService;
-import com.topjohnwu.magisk.ui.MainActivity;
-import com.topjohnwu.magisk.ui.SplashActivity;
-import com.topjohnwu.magisk.ui.flash.FlashActivity;
-import com.topjohnwu.magisk.ui.surequest.SuRequestActivity;
-
-import java.util.HashMap;
-import java.util.Map;
-
-public class ClassMap {
-    private static Map<Class, Class> classMap = new HashMap<>();
-
-    static {
-        classMap.put(App.class, a.e.class);
-        classMap.put(MainActivity.class, a.b.class);
-        classMap.put(SplashActivity.class, a.c.class);
-        classMap.put(FlashActivity.class, a.f.class);
-        classMap.put(UpdateCheckService.class, a.g.class);
-        classMap.put(GeneralReceiver.class, a.h.class);
-        classMap.put(DownloadModuleService.class, a.j.class);
-        classMap.put(SuRequestActivity.class, a.m.class);
-    }
-    
-    public static <T> Class<T> get(Class c) {
-        return classMap.get(c);
-    }
-}

app/src/main/java/com/topjohnwu/magisk/ClassMap.kt

@@ -0,0 +1,26 @@
+package com.topjohnwu.magisk
+
+import com.topjohnwu.magisk.model.download.DownloadService
+import com.topjohnwu.magisk.model.receiver.GeneralReceiver
+import com.topjohnwu.magisk.model.update.UpdateCheckService
+import com.topjohnwu.magisk.ui.MainActivity
+import com.topjohnwu.magisk.ui.SplashActivity
+import com.topjohnwu.magisk.ui.flash.FlashActivity
+import com.topjohnwu.magisk.ui.surequest.SuRequestActivity
+
+object ClassMap {
+    private val map = mapOf(
+        App::class.java to a.e::class.java,
+        MainActivity::class.java to a.b::class.java,
+        SplashActivity::class.java to a.c::class.java,
+        FlashActivity::class.java to a.f::class.java,
+        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
+    )
+
+    operator fun <T : Class<*>>get(c: Class<*>): T {
+        return map.getOrElse(c) { throw IllegalArgumentException() } as T
+    }
+}

app/src/main/java/com/topjohnwu/magisk/Config.java

@@ -1,396 +0,0 @@
-package com.topjohnwu.magisk;
-
-import android.content.SharedPreferences;
-import android.util.Xml;
-
-import com.topjohnwu.magisk.utils.Utils;
-import com.topjohnwu.superuser.Shell;
-import com.topjohnwu.superuser.ShellUtils;
-import com.topjohnwu.superuser.io.SuFile;
-import com.topjohnwu.superuser.io.SuFileInputStream;
-
-import org.xmlpull.v1.XmlPullParser;
-import org.xmlpull.v1.XmlPullParserException;
-
-import java.io.File;
-import java.io.IOException;
-
-import androidx.collection.ArrayMap;
-
-public class Config {
-
-    // Current status
-    public static String magiskVersionString;
-    public static int magiskVersionCode = -1;
-    private static boolean magiskHide;
-
-    // Update Info
-    public static String remoteMagiskVersionString;
-    public static int remoteMagiskVersionCode = -1;
-    public static String magiskLink;
-    public static String magiskNoteLink;
-    public static String magiskMD5;
-    public static String remoteManagerVersionString;
-    public static int remoteManagerVersionCode = -1;
-    public static String managerLink;
-    public static String managerNoteLink;
-    public static String uninstallerLink;
-
-    // Install flags
-    public static boolean keepVerity = false;
-    public static boolean keepEnc = false;
-    public static boolean recovery = false;
-
-    public static int suLogTimeout = 14;
-
-    public static class Key {
-        // su configs
-        public static final String ROOT_ACCESS = "root_access";
-        public static final String SU_MULTIUSER_MODE = "multiuser_mode";
-        public static final String SU_MNT_NS = "mnt_ns";
-        public static final String SU_MANAGER = "requester";
-        public static final String SU_REQUEST_TIMEOUT = "su_request_timeout";
-        public static final String SU_AUTO_RESPONSE = "su_auto_response";
-        public static final String SU_NOTIFICATION = "su_notification";
-        public static final String SU_REAUTH = "su_reauth";
-        public static final String SU_FINGERPRINT = "su_fingerprint";
-
-        // prefs
-        public static final String CHECK_UPDATES = "check_update";
-        public static final String UPDATE_CHANNEL = "update_channel";
-        public static final String CUSTOM_CHANNEL = "custom_channel";
-        public static final String LOCALE = "locale";
-        public static final String DARK_THEME = "dark_theme";
-        public static final String ETAG_KEY = "ETag";
-        public static final String REPO_ORDER = "repo_order";
-        public static final String SHOW_SYSTEM_APP = "show_system";
-
-        // system state
-        public static final String UPDATE_SERVICE_VER = "update_service_version";
-        public static final String MAGISKHIDE = "magiskhide";
-        public static final String COREONLY = "disable";
-    }
-
-    public static class Value {
-        public static final int DEFAULT_CHANNEL = -1;
-        public static final int STABLE_CHANNEL = 0;
-        public static final int BETA_CHANNEL = 1;
-        public static final int CUSTOM_CHANNEL = 2;
-        public static final int CANARY_CHANNEL = 3;
-        public static final int CANARY_DEBUG_CHANNEL = 4;
-        public static final int ROOT_ACCESS_DISABLED = 0;
-        public static final int ROOT_ACCESS_APPS_ONLY = 1;
-        public static final int ROOT_ACCESS_ADB_ONLY = 2;
-        public static final int ROOT_ACCESS_APPS_AND_ADB = 3;
-        public static final int MULTIUSER_MODE_OWNER_ONLY = 0;
-        public static final int MULTIUSER_MODE_OWNER_MANAGED = 1;
-        public static final int MULTIUSER_MODE_USER = 2;
-        public static final int NAMESPACE_MODE_GLOBAL = 0;
-        public static final int NAMESPACE_MODE_REQUESTER = 1;
-        public static final int NAMESPACE_MODE_ISOLATE = 2;
-        public static final int NO_NOTIFICATION = 0;
-        public static final int NOTIFICATION_TOAST = 1;
-        public static final int SU_PROMPT = 0;
-        public static final int SU_AUTO_DENY = 1;
-        public static final int SU_AUTO_ALLOW = 2;
-        public static final int[] TIMEOUT_LIST = {0, -1, 10, 20, 30, 60};
-        public static final int ORDER_NAME = 0;
-        public static final int ORDER_DATE = 1;
-    }
-
-    public static void loadMagiskInfo() {
-        try {
-            magiskVersionString = ShellUtils.fastCmd("magisk -v").split(":")[0];
-            magiskVersionCode = Integer.parseInt(ShellUtils.fastCmd("magisk -V"));
-            magiskHide = Shell.su("magiskhide --status").exec().isSuccess();
-        } catch (NumberFormatException ignored) {}
-    }
-
-    public static void export() {
-        // Flush prefs to disk
-        App app = App.self;
-        app.getPrefs().edit().commit();
-        File xml = new File(App.deContext.getFilesDir().getParent() + "/shared_prefs",
-                app.getPackageName() + "_preferences.xml");
-        Shell.su(Utils.fmt("cat %s > /data/adb/%s", xml, Const.MANAGER_CONFIGS)).exec();
-    }
-
-    public static void initialize() {
-        SharedPreferences pref = App.self.getPrefs();
-        SharedPreferences.Editor editor = pref.edit();
-        File config = SuFile.open("/data/adb", Const.MANAGER_CONFIGS);
-        if (config.exists()) {
-            try {
-                SuFileInputStream is = new SuFileInputStream(config);
-                XmlPullParser parser = Xml.newPullParser();
-                parser.setFeature(XmlPullParser.FEATURE_PROCESS_NAMESPACES, false);
-                parser.setInput(is, "UTF-8");
-                parser.nextTag();
-                parser.require(XmlPullParser.START_TAG, null, "map");
-                while (parser.next() != XmlPullParser.END_TAG) {
-                    if (parser.getEventType() != XmlPullParser.START_TAG)
-                        continue;
-                    String key = parser.getAttributeValue(null, "name");
-                    String value = parser.getAttributeValue(null, "value");
-                    switch (parser.getName()) {
-                        case "string":
-                            parser.require(XmlPullParser.START_TAG, null, "string");
-                            editor.putString(key, parser.nextText());
-                            parser.require(XmlPullParser.END_TAG, null, "string");
-                            break;
-                        case "boolean":
-                            parser.require(XmlPullParser.START_TAG, null, "boolean");
-                            editor.putBoolean(key, Boolean.parseBoolean(value));
-                            parser.nextTag();
-                            parser.require(XmlPullParser.END_TAG, null, "boolean");
-                            break;
-                        case "int":
-                            parser.require(XmlPullParser.START_TAG, null, "int");
-                            editor.putInt(key, Integer.parseInt(value));
-                            parser.nextTag();
-                            parser.require(XmlPullParser.END_TAG, null, "int");
-                            break;
-                        case "long":
-                            parser.require(XmlPullParser.START_TAG, null, "long");
-                            editor.putLong(key, Long.parseLong(value));
-                            parser.nextTag();
-                            parser.require(XmlPullParser.END_TAG, null, "long");
-                            break;
-                        case "float":
-                            parser.require(XmlPullParser.START_TAG, null, "int");
-                            editor.putFloat(key, Float.parseFloat(value));
-                            parser.nextTag();
-                            parser.require(XmlPullParser.END_TAG, null, "int");
-                            break;
-                        default:
-                            parser.next();
-                    }
-                }
-            } catch (IOException | XmlPullParserException e) {
-                e.printStackTrace();
-            }
-            editor.remove(Key.ETAG_KEY);
-            editor.apply();
-            editor = pref.edit();
-            config.delete();
-        }
-
-        // Set defaults if not set
-        setDefs(pref, editor);
-
-        // These settings are from actual device state
-        editor.putBoolean(Key.MAGISKHIDE, magiskHide)
-                .putBoolean(Key.COREONLY, Const.MAGISK_DISABLE_FILE.exists())
-                .putInt(Key.UPDATE_SERVICE_VER, Const.UPDATE_SERVICE_VER)
-                .apply();
-    }
-
-    private static final int PREF_INT = 0;
-    private static final int PREF_STR_INT = 1;
-    private static final int PREF_BOOL = 2;
-    private static final int PREF_STR = 3;
-    private static final int DB_INT = 4;
-    private static final int DB_BOOL = 5;
-    private static final int DB_STR = 6;
-
-    private static int getConfigType(String key) {
-        switch (key) {
-            case Key.REPO_ORDER:
-                return PREF_INT;
-
-            case Key.SU_REQUEST_TIMEOUT:
-            case Key.SU_AUTO_RESPONSE:
-            case Key.SU_NOTIFICATION:
-            case Key.UPDATE_CHANNEL:
-                return PREF_STR_INT;
-
-            case Key.DARK_THEME:
-            case Key.SU_REAUTH:
-            case Key.CHECK_UPDATES:
-            case Key.MAGISKHIDE:
-            case Key.COREONLY:
-            case Key.SHOW_SYSTEM_APP:
-                return PREF_BOOL;
-
-            case Key.CUSTOM_CHANNEL:
-            case Key.LOCALE:
-            case Key.ETAG_KEY:
-                return PREF_STR;
-
-            case Key.ROOT_ACCESS:
-            case Key.SU_MNT_NS:
-            case Key.SU_MULTIUSER_MODE:
-                return DB_INT;
-
-            case Key.SU_FINGERPRINT:
-                return DB_BOOL;
-
-            case Key.SU_MANAGER:
-                return DB_STR;
-
-            default:
-                throw new IllegalArgumentException();
-        }
-    }
-
-    @SuppressWarnings("unchecked")
-    public static <T> T get(String key) {
-        App app = App.self;
-        switch (getConfigType(key)) {
-            case PREF_INT:
-                return (T) (Integer) app.getPrefs().getInt(key, getDef(key));
-            case PREF_STR_INT:
-                return (T) (Integer) Utils.getPrefsInt(app.getPrefs(), key, getDef(key));
-            case PREF_BOOL:
-                return (T) (Boolean) app.getPrefs().getBoolean(key, getDef(key));
-            case PREF_STR:
-                return (T) app.getPrefs().getString(key, getDef(key));
-            case DB_INT:
-                return (T) (Integer) app.getDB().getSettings(key, getDef(key));
-            case DB_BOOL:
-                return (T) (Boolean) (app.getDB().getSettings(key, getDef(key) ? 1 : 0) != 0);
-            case DB_STR:
-                return (T) app.getDB().getStrings(key, getDef(key));
-        }
-        /* Will never get here (IllegalArgumentException in getConfigType) */
-        return null;
-    }
-
-    public static void set(String key, Object val) {
-        App app = App.self;
-        switch (getConfigType(key)) {
-            case PREF_INT:
-                app.getPrefs().edit().putInt(key, (int) val).apply();
-                break;
-            case PREF_STR_INT:
-                app.getPrefs().edit().putString(key, String.valueOf(val)).apply();
-                break;
-            case PREF_BOOL:
-                app.getPrefs().edit().putBoolean(key, (boolean) val).apply();
-                break;
-            case PREF_STR:
-                app.getPrefs().edit().putString(key, (String) val).apply();
-                break;
-            case DB_INT:
-                app.getDB().setSettings(key, (int) val);
-                break;
-            case DB_BOOL:
-                app.getDB().setSettings(key, (boolean) val ? 1 : 0);
-                break;
-            case DB_STR:
-                app.getDB().setStrings(key, (String) val);
-                break;
-        }
-    }
-
-    public static void remove(String key) {
-        App app = App.self;
-        switch (getConfigType(key)) {
-            case PREF_INT:
-            case PREF_STR_INT:
-            case PREF_BOOL:
-            case PREF_STR:
-                app.getPrefs().edit().remove(key).apply();
-                break;
-            case DB_BOOL:
-            case DB_INT:
-                app.getDB().rmSettings(key);
-                break;
-            case DB_STR:
-                app.getDB().setStrings(key, null);
-                break;
-        }
-    }
-
-    private static ArrayMap<String, Object> defs = new ArrayMap<>();
-
-    static {
-        /* Set default configurations */
-
-        // prefs int
-        defs.put(Key.REPO_ORDER, Value.ORDER_DATE);
-
-        // prefs string int
-        defs.put(Key.SU_REQUEST_TIMEOUT, 10);
-        defs.put(Key.SU_AUTO_RESPONSE, Value.SU_PROMPT);
-        defs.put(Key.SU_NOTIFICATION, Value.NOTIFICATION_TOAST);
-        defs.put(Key.UPDATE_CHANNEL, Utils.isCanary() ?
-                Value.CANARY_DEBUG_CHANNEL : Value.DEFAULT_CHANNEL);
-
-        // prefs bool
-        defs.put(Key.CHECK_UPDATES, true);
-        defs.put(Key.DARK_THEME, true);
-        //defs.put(Key.SU_REAUTH, false);
-        //defs.put(Key.SHOW_SYSTEM_APP, false);
-
-        // prefs string
-        defs.put(Key.CUSTOM_CHANNEL, "");
-        defs.put(Key.LOCALE, "");
-        //defs.put(Key.ETAG_KEY, null);
-
-        // db int
-        defs.put(Key.ROOT_ACCESS, Value.ROOT_ACCESS_APPS_AND_ADB);
-        defs.put(Key.SU_MNT_NS, Value.NAMESPACE_MODE_REQUESTER);
-        defs.put(Key.SU_MULTIUSER_MODE, Value.MULTIUSER_MODE_OWNER_ONLY);
-
-        // db bool
-        //defs.put(Key.SU_FINGERPRINT, false);
-
-        // db strings
-        //defs.put(Key.SU_MANAGER, null);
-    }
-
-    private static <T> T getDef(String key) {
-        Object val = defs.get(key);
-        switch (getConfigType(key)) {
-            case PREF_INT:
-            case DB_INT:
-            case PREF_STR_INT:
-                return val != null ? (T) val : (T) (Integer) 0;
-            case DB_BOOL:
-            case PREF_BOOL:
-                return val != null ? (T) val : (T) (Boolean) false;
-            case DB_STR:
-            case PREF_STR:
-                return (T) val;
-        }
-        /* Will never get here (IllegalArgumentException in getConfigType) */
-        return null;
-    }
-
-    private static void setDefs(SharedPreferences pref, SharedPreferences.Editor editor) {
-        App app = App.self;
-        for (String key : defs.keySet()) {
-            int type = getConfigType(key);
-            switch (type) {
-                case DB_INT:
-                    editor.putString(key, String.valueOf(
-                            app.getDB().getSettings(key, (Integer) defs.get(key))));
-                    continue;
-                case DB_STR:
-                    editor.putString(key, app.getDB().getStrings(key, (String) defs.get(key)));
-                    continue;
-                case DB_BOOL:
-                    int bs = app.getDB().getSettings(key, -1);
-                    editor.putBoolean(key, bs < 0 ? (Boolean) defs.get(key) : bs != 0);
-                    continue;
-            }
-            if (pref.contains(key))
-                continue;
-            switch (type) {
-                case PREF_INT:
-                    editor.putInt(key, (Integer) defs.get(key));
-                    break;
-                case PREF_STR_INT:
-                    editor.putString(key, String.valueOf(defs.get(key)));
-                    break;
-                case PREF_STR:
-                    editor.putString(key, (String) defs.get(key));
-                    break;
-                case PREF_BOOL:
-                    editor.putBoolean(key, (Boolean) defs.get(key));
-                    break;
-            }
-        }
-    }
-}

app/src/main/java/com/topjohnwu/magisk/Config.kt

@@ -0,0 +1,208 @@
+package com.topjohnwu.magisk
+
+import android.content.Context
+import android.content.SharedPreferences
+import android.os.Environment
+import android.util.Xml
+import androidx.core.content.edit
+import com.topjohnwu.magisk.data.database.SettingsDao
+import com.topjohnwu.magisk.data.database.StringDao
+import com.topjohnwu.magisk.data.repository.DBConfig
+import com.topjohnwu.magisk.di.Protected
+import com.topjohnwu.magisk.extensions.get
+import com.topjohnwu.magisk.extensions.inject
+import com.topjohnwu.magisk.extensions.packageName
+import com.topjohnwu.magisk.model.preference.PreferenceModel
+import com.topjohnwu.magisk.utils.FingerprintHelper
+import com.topjohnwu.magisk.utils.Utils
+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
+
+object Config : PreferenceModel, DBConfig {
+
+    override val stringDao: StringDao by inject()
+    override val settingsDao: SettingsDao by inject()
+    override val context: Context by inject(Protected)
+
+    object Key {
+        // db configs
+        const val ROOT_ACCESS = "root_access"
+        const val SU_MULTIUSER_MODE = "multiuser_mode"
+        const val SU_MNT_NS = "mnt_ns"
+        const val SU_MANAGER = "requester"
+        const val SU_FINGERPRINT = "su_fingerprint"
+
+        // prefs
+        const val SU_REQUEST_TIMEOUT = "su_request_timeout"
+        const val SU_AUTO_RESPONSE = "su_auto_response"
+        const val SU_NOTIFICATION = "su_notification"
+        const val SU_REAUTH = "su_reauth"
+        const val CHECK_UPDATES = "check_update"
+        const val UPDATE_CHANNEL = "update_channel"
+        const val CUSTOM_CHANNEL = "custom_channel"
+        const val LOCALE = "locale"
+        const val DARK_THEME = "dark_theme"
+        const val REPO_ORDER = "repo_order"
+        const val SHOW_SYSTEM_APP = "show_system"
+        const val DOWNLOAD_PATH = "download_path"
+
+        // system state
+        const val MAGISKHIDE = "magiskhide"
+        const val COREONLY = "disable"
+    }
+
+    object Value {
+        // Update channels
+        const val DEFAULT_CHANNEL = -1
+        const val STABLE_CHANNEL = 0
+        const val BETA_CHANNEL = 1
+        const val CUSTOM_CHANNEL = 2
+        const val CANARY_CHANNEL = 3
+        const val CANARY_DEBUG_CHANNEL = 4
+
+        // root access mode
+        const val ROOT_ACCESS_DISABLED = 0
+        const val ROOT_ACCESS_APPS_ONLY = 1
+        const val ROOT_ACCESS_ADB_ONLY = 2
+        const val ROOT_ACCESS_APPS_AND_ADB = 3
+
+        // su multiuser
+        const val MULTIUSER_MODE_OWNER_ONLY = 0
+        const val MULTIUSER_MODE_OWNER_MANAGED = 1
+        const val MULTIUSER_MODE_USER = 2
+
+        // su mnt ns
+        const val NAMESPACE_MODE_GLOBAL = 0
+        const val NAMESPACE_MODE_REQUESTER = 1
+        const val NAMESPACE_MODE_ISOLATE = 2
+
+        // su notification
+        const val NO_NOTIFICATION = 0
+        const val NOTIFICATION_TOAST = 1
+
+        // su auto response
+        const val SU_PROMPT = 0
+        const val SU_AUTO_DENY = 1
+        const val SU_AUTO_ALLOW = 2
+
+        // su timeout
+        val TIMEOUT_LIST = intArrayOf(0, -1, 10, 20, 30, 60)
+
+        // repo order
+        const val ORDER_NAME = 0
+        const val ORDER_DATE = 1
+    }
+
+    private val defaultChannel =
+        if (Utils.isCanary) Value.CANARY_DEBUG_CHANNEL
+        else Value.DEFAULT_CHANNEL
+
+    var downloadPath by preference(Key.DOWNLOAD_PATH, Environment.DIRECTORY_DOWNLOADS)
+    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 suNotification by preferenceStrInt(Key.SU_NOTIFICATION, Value.NOTIFICATION_TOAST)
+    var updateChannel by preferenceStrInt(Key.UPDATE_CHANNEL, defaultChannel)
+
+    var darkTheme by preference(Key.DARK_THEME, true)
+    var suReAuth by preference(Key.SU_REAUTH, false)
+    var checkUpdate by preference(Key.CHECK_UPDATES, true)
+    var magiskHide by preference(Key.MAGISKHIDE, true)
+    var coreOnly by preference(Key.COREONLY, false)
+    var showSystemApp by preference(Key.SHOW_SYSTEM_APP, false)
+
+    var customChannelUrl by preference(Key.CUSTOM_CHANNEL, "")
+    var locale by preference(Key.LOCALE, "")
+
+    var rootMode by dbSettings(Key.ROOT_ACCESS, Value.ROOT_ACCESS_APPS_AND_ADB)
+    var suMntNamespaceMode by dbSettings(Key.SU_MNT_NS, Value.NAMESPACE_MODE_REQUESTER)
+    var suMultiuserMode by dbSettings(Key.SU_MULTIUSER_MODE, Value.MULTIUSER_MODE_OWNER_ONLY)
+    var suFingerprint by dbSettings(Key.SU_FINGERPRINT, false)
+    var suManager by dbStrings(Key.SU_MANAGER, "", true)
+
+    // Always return a path in external storage where we can write
+    val downloadDirectory get() =
+        Utils.ensureDownloadPath(downloadPath) ?: get<Context>().getExternalFilesDir(null)!!
+
+    fun initialize() = prefs.edit {
+        parsePrefs(this)
+
+        if (!prefs.contains(Key.UPDATE_CHANNEL))
+            putString(Key.UPDATE_CHANNEL, defaultChannel.toString())
+
+        // Get actual state
+        putBoolean(Key.COREONLY, Const.MAGISK_DISABLE_FILE.exists())
+
+        // Write database configs
+        putString(Key.ROOT_ACCESS, rootMode.toString())
+        putString(Key.SU_MNT_NS, suMntNamespaceMode.toString())
+        putString(Key.SU_MULTIUSER_MODE, suMultiuserMode.toString())
+        putBoolean(Key.SU_FINGERPRINT, FingerprintHelper.useFingerprint())
+    }
+
+    private fun parsePrefs(editor: SharedPreferences.Editor) = editor.apply {
+        val config = SuFile.open("/data/adb", Const.MANAGER_CONFIGS)
+        if (config.exists()) runCatching {
+            val input = SuFileInputStream(config).buffered()
+            val parser = Xml.newPullParser()
+            parser.setFeature(XmlPullParser.FEATURE_PROCESS_NAMESPACES, false)
+            parser.setInput(input, "UTF-8")
+            parser.nextTag()
+            parser.require(XmlPullParser.START_TAG, null, "map")
+            while (parser.next() != XmlPullParser.END_TAG) {
+                if (parser.eventType != XmlPullParser.START_TAG)
+                    continue
+                val key: String = parser.getAttributeValue(null, "name")
+                fun value() = parser.getAttributeValue(null, "value")!!
+                when (parser.name) {
+                    "string" -> {
+                        parser.require(XmlPullParser.START_TAG, null, "string")
+                        putString(key, parser.nextText())
+                        parser.require(XmlPullParser.END_TAG, null, "string")
+                    }
+                    "boolean" -> {
+                        parser.require(XmlPullParser.START_TAG, null, "boolean")
+                        putBoolean(key, value().toBoolean())
+                        parser.nextTag()
+                        parser.require(XmlPullParser.END_TAG, null, "boolean")
+                    }
+                    "int" -> {
+                        parser.require(XmlPullParser.START_TAG, null, "int")
+                        putInt(key, value().toInt())
+                        parser.nextTag()
+                        parser.require(XmlPullParser.END_TAG, null, "int")
+                    }
+                    "long" -> {
+                        parser.require(XmlPullParser.START_TAG, null, "long")
+                        putLong(key, value().toLong())
+                        parser.nextTag()
+                        parser.require(XmlPullParser.END_TAG, null, "long")
+                    }
+                    "float" -> {
+                        parser.require(XmlPullParser.START_TAG, null, "int")
+                        putFloat(key, value().toFloat())
+                        parser.nextTag()
+                        parser.require(XmlPullParser.END_TAG, null, "int")
+                    }
+                    else -> parser.next()
+                }
+            }
+            config.delete()
+        }
+    }
+
+    fun export() {
+        // Flush prefs to disk
+        prefs.edit().commit()
+        val xml = File(
+            "${get<Context>(Protected).filesDir.parent}/shared_prefs",
+            "${packageName}_preferences.xml"
+        )
+        Shell.su("cat $xml > /data/adb/${Const.MANAGER_CONFIGS}").exec()
+    }
+
+}

app/src/main/java/com/topjohnwu/magisk/Const.java

@@ -1,102 +0,0 @@
-package com.topjohnwu.magisk;
-
-import android.os.Environment;
-import android.os.Process;
-
-import java.io.File;
-
-public class Const {
-
-    public static final String DEBUG_TAG = "MagiskManager";
-
-    // APK content
-    public static final String ANDROID_MANIFEST = "AndroidManifest.xml";
-
-    public static final String SU_KEYSTORE_KEY = "su_key";
-
-    // Paths
-    public static final String MAGISK_PATH = "/sbin/.magisk/img";
-    public static final File EXTERNAL_PATH;
-    public static File MAGISK_DISABLE_FILE;
-
-    static {
-        MAGISK_DISABLE_FILE = new File("xxx");
-        EXTERNAL_PATH = Environment.getExternalStoragePublicDirectory(Environment.DIRECTORY_DOWNLOADS);
-        EXTERNAL_PATH.mkdirs();
-    }
-
-    public static final String TMP_FOLDER_PATH = "/dev/tmp";
-    public static final String MAGISK_LOG = "/cache/magisk.log";
-    public static final String MANAGER_CONFIGS = ".tmp.magisk.config";
-
-    // Versions
-    public static final int UPDATE_SERVICE_VER = 1;
-    public static final int SNET_EXT_VER = 12;
-
-    public static final int USER_ID = Process.myUid() / 100000;
-
-    // Generic
-    public static final String MAGISK_INSTALL_LOG_FILENAME = "magisk_install_log_%s.log";
-
-    public static final class MAGISK_VER {
-        public static final int MIN_SUPPORT = 18000;
-    }
-
-    public static class ID {
-        public static final int FETCH_ZIP = 2;
-        public static final int SELECT_BOOT = 3;
-
-        // notifications
-        public static final int MAGISK_UPDATE_NOTIFICATION_ID = 4;
-        public static final int APK_UPDATE_NOTIFICATION_ID = 5;
-        public static final int DTBO_NOTIFICATION_ID = 7;
-        public static final int HIDE_MANAGER_NOTIFICATION_ID = 8;
-        public static final String UPDATE_NOTIFICATION_CHANNEL = "update";
-        public static final String PROGRESS_NOTIFICATION_CHANNEL = "progress";
-        public static final String CHECK_MAGISK_UPDATE_WORKER_ID = "magisk_update";
-    }
-
-    public static class Url {
-        private static String getRaw(String where, String name) {
-            return String.format("https://raw.githubusercontent.com/topjohnwu/magisk_files/%s/%s", where, name);
-        }
-        public static final String STABLE_URL = getRaw("master", "stable.json");
-        public static final String BETA_URL = getRaw("master", "beta.json");
-        public static final String CANARY_URL = getRaw("master", "canary_builds/release.json");
-        public static final String CANARY_DEBUG_URL = getRaw("master", "canary_builds/canary.json");
-        public static final String REPO_URL = "https://api.github.com/users/Magisk-Modules-Repo/repos?per_page=100&sort=pushed&page=%d";
-        public static final String FILE_URL = "https://raw.githubusercontent.com/Magisk-Modules-Repo/%s/master/%s";
-        public static final String ZIP_URL = "https://github.com/Magisk-Modules-Repo/%s/archive/master.zip";
-        public static final String MODULE_INSTALLER = "https://raw.githubusercontent.com/topjohnwu/Magisk/master/scripts/module_installer.sh";
-        public static final String PAYPAL_URL = "https://www.paypal.me/topjohnwu";
-        public static final String PATREON_URL = "https://www.patreon.com/topjohnwu";
-        public static final String TWITTER_URL = "https://twitter.com/topjohnwu";
-        public static final String XDA_THREAD = "http://forum.xda-developers.com/showthread.php?t=3432382";
-        public static final String SOURCE_CODE_URL = "https://github.com/topjohnwu/Magisk";
-        public static final String SNET_URL = getRaw("b66b1a914978e5f4c4bbfd74a59f4ad371bac107", "snet.apk");
-        public static final String BOOTCTL_URL = getRaw("9c5dfc1b8245c0b5b524901ef0ff0f8335757b77", "bootctl");
-    }
-
-    public static class Key {
-        // others
-        public static final String LINK_KEY = "Link";
-        public static final String IF_NONE_MATCH = "If-None-Match";
-        // intents
-        public static final String OPEN_SECTION = "section";
-        public static final String INTENT_SET_NAME = "filename";
-        public static final String INTENT_SET_LINK = "link";
-        public static final String FLASH_ACTION = "action";
-        public static final String BROADCAST_MANAGER_UPDATE = "manager_update";
-        public static final String BROADCAST_REBOOT = "reboot";
-    }
-
-    public static class Value {
-        public static final String FLASH_ZIP = "flash";
-        public static final String PATCH_FILE = "patch";
-        public static final String FLASH_MAGISK = "magisk";
-        public static final String FLASH_INACTIVE_SLOT = "slot";
-        public static final String UNINSTALL = "uninstall";
-    }
-
-
-}

app/src/main/java/com/topjohnwu/magisk/Const.kt

@@ -0,0 +1,78 @@
+package com.topjohnwu.magisk
+
+import android.os.Process
+import java.io.File
+
+object Const {
+
+    // Paths
+    const val MAGISK_PATH = "/sbin/.magisk/img"
+    var MAGISK_DISABLE_FILE = File("xxx")
+    const val TMP_FOLDER_PATH = "/dev/tmp"
+    const val MAGISK_LOG = "/cache/magisk.log"
+
+    // Versions
+    const val SNET_EXT_VER = 13
+    const val SNET_REVISION = "5adbc435ce93ded953c30ebe587edfd50b5503bc"
+    const val BOOTCTL_REVISION = "9c5dfc1b8245c0b5b524901ef0ff0f8335757b77"
+
+    // Misc
+    const val ANDROID_MANIFEST = "AndroidManifest.xml"
+    const val MAGISK_INSTALL_LOG_FILENAME = "magisk_install_log_%s.log"
+    const val MANAGER_CONFIGS = ".tmp.magisk.config"
+    val USER_ID = Process.myUid() / 100000
+
+    object MagiskVersion {
+        const val MIN_SUPPORT = 18000
+    }
+
+    object ID {
+        const val FETCH_ZIP = 2
+        const val SELECT_BOOT = 3
+
+        // notifications
+        const val MAGISK_UPDATE_NOTIFICATION_ID = 4
+        const val APK_UPDATE_NOTIFICATION_ID = 5
+        const val DTBO_NOTIFICATION_ID = 7
+        const val HIDE_MANAGER_NOTIFICATION_ID = 8
+        const val UPDATE_NOTIFICATION_CHANNEL = "update"
+        const val PROGRESS_NOTIFICATION_CHANNEL = "progress"
+        const val CHECK_MAGISK_UPDATE_WORKER_ID = "magisk_update"
+    }
+
+    object Url {
+        const val ZIP_URL = "https://github.com/Magisk-Modules-Repo/%s/archive/master.zip"
+        const val PAYPAL_URL = "https://www.paypal.me/topjohnwu"
+        const val PATREON_URL = "https://www.patreon.com/topjohnwu"
+        const val TWITTER_URL = "https://twitter.com/topjohnwu"
+        const val XDA_THREAD = "http://forum.xda-developers.com/showthread.php?t=3432382"
+        const val SOURCE_CODE_URL = "https://github.com/topjohnwu/Magisk"
+
+        const val GITHUB_RAW_URL = "https://raw.githubusercontent.com/"
+        const val GITHUB_API_URL = "https://api.github.com/users/Magisk-Modules-Repo/"
+    }
+
+    object Key {
+        // others
+        const val LINK_KEY = "Link"
+        const val IF_NONE_MATCH = "If-None-Match"
+        const val ETAG_KEY = "ETag"
+        // intents
+        const val OPEN_SECTION = "section"
+        const val INTENT_SET_APP = "app_json"
+        const val FLASH_ACTION = "action"
+        const val FLASH_DATA = "additional_data"
+        const val DISMISS_ID = "dismiss_id"
+        const val BROADCAST_MANAGER_UPDATE = "manager_update"
+        const val BROADCAST_REBOOT = "reboot"
+    }
+
+    object Value {
+        const val FLASH_ZIP = "flash"
+        const val PATCH_FILE = "patch"
+        const val FLASH_MAGISK = "magisk"
+        const val FLASH_INACTIVE_SLOT = "slot"
+        const val UNINSTALL = "uninstall"
+    }
+
+}

app/src/main/java/com/topjohnwu/magisk/Info.kt

@@ -0,0 +1,26 @@
+package com.topjohnwu.magisk
+
+import com.topjohnwu.magisk.model.entity.UpdateInfo
+import com.topjohnwu.superuser.Shell
+import com.topjohnwu.superuser.ShellUtils
+
+object Info {
+
+    var magiskVersionCode = -1
+
+    var magiskVersionString = ""
+
+    var remote = UpdateInfo()
+
+    var keepVerity = false
+    var keepEnc = false
+    var recovery = false
+
+    fun loadMagiskInfo() {
+        runCatching {
+            magiskVersionString = ShellUtils.fastCmd("magisk -v").split(":".toRegex())[0]
+            magiskVersionCode = ShellUtils.fastCmd("magisk -V").toInt()
+            Config.magiskHide = Shell.su("magiskhide --status").exec().isSuccess
+        }
+    }
+}

app/src/main/java/com/topjohnwu/magisk/data/database/LogDao.kt

@@ -0,0 +1,33 @@
+package com.topjohnwu.magisk.data.database
+
+import com.topjohnwu.magisk.data.database.base.*
+import com.topjohnwu.magisk.model.entity.MagiskLog
+import com.topjohnwu.magisk.model.entity.toLog
+import com.topjohnwu.magisk.model.entity.toMap
+import java.util.concurrent.TimeUnit
+
+class LogDao : BaseDao() {
+
+    override val table = DatabaseDefinition.Table.LOG
+
+    fun deleteOutdated(
+        suTimeout: Long = TimeUnit.DAYS.toMillis(14)
+    ) = query<Delete> {
+        condition {
+            lessThan("time", suTimeout.toString())
+        }
+    }.ignoreElement()
+
+    fun deleteAll() = query<Delete> {}.ignoreElement()
+
+    fun fetchAll() = query<Select> {
+        orderBy("time", Order.DESC)
+    }.flattenAsFlowable { it }
+        .map { it.toLog() }
+        .toList()
+
+    fun put(log: MagiskLog) = query<Insert> {
+        values(log.toMap())
+    }.ignoreElement()
+
+}

app/src/main/java/com/topjohnwu/magisk/data/database/MagiskDB.java

@@ -1,190 +0,0 @@
-package com.topjohnwu.magisk.data.database;
-
-import android.content.ContentValues;
-import android.content.Context;
-import android.content.pm.PackageManager;
-import android.text.TextUtils;
-
-import com.topjohnwu.magisk.Config;
-import com.topjohnwu.magisk.Const;
-import com.topjohnwu.magisk.model.entity.Policy;
-import com.topjohnwu.magisk.model.entity.SuLogEntry;
-import com.topjohnwu.magisk.utils.LocaleManager;
-import com.topjohnwu.magisk.utils.Utils;
-import com.topjohnwu.superuser.Shell;
-
-import java.text.DateFormat;
-import java.util.ArrayList;
-import java.util.Collections;
-import java.util.Date;
-import java.util.List;
-import java.util.Map;
-
-public class MagiskDB {
-
-    private static final String POLICY_TABLE = "policies";
-    private static final String LOG_TABLE = "logs";
-    private static final String SETTINGS_TABLE = "settings";
-    private static final String STRINGS_TABLE = "strings";
-
-    private PackageManager pm;
-
-    public MagiskDB(Context context) {
-        pm = context.getPackageManager();
-    }
-
-    public void deletePolicy(Policy policy) {
-        deletePolicy(policy.uid);
-    }
-
-    private List<String> rawSQL(String fmt, Object... args) {
-        return Shell.su("magisk --sqlite '" + Utils.fmt(fmt, args) + "'").exec().getOut();
-    }
-
-    private List<ContentValues> SQL(String fmt, Object... args) {
-        List<ContentValues> list = new ArrayList<>();
-        for (String raw : rawSQL(fmt, args)) {
-            ContentValues values = new ContentValues();
-            String[] cols = raw.split("\\|");
-            for (String col : cols) {
-                String[] pair = col.split("=", 2);
-                if (pair.length != 2)
-                    continue;
-                values.put(pair[0], pair[1]);
-            }
-            list.add(values);
-        }
-        return list;
-    }
-
-    private String toSQL(ContentValues values) {
-        StringBuilder keys = new StringBuilder(), vals = new StringBuilder();
-        keys.append('(');
-        vals.append("VALUES(");
-        boolean first = true;
-        for (Map.Entry<String, Object> entry : values.valueSet()) {
-            if (!first) {
-                keys.append(',');
-                vals.append(',');
-            } else {
-                first = false;
-            }
-            keys.append(entry.getKey());
-            vals.append('"');
-            vals.append(entry.getValue());
-            vals.append('"');
-        }
-        keys.append(')');
-        vals.append(')');
-        keys.append(vals);
-        return keys.toString();
-    }
-
-    public void clearOutdated() {
-        rawSQL(
-                "DELETE FROM %s WHERE until > 0 AND until < %d;" +
-                        "DELETE FROM %s WHERE time < %d",
-                POLICY_TABLE, System.currentTimeMillis() / 1000,
-                LOG_TABLE, System.currentTimeMillis() - Config.suLogTimeout * 86400000
-        );
-    }
-
-    public void deletePolicy(String pkg) {
-        rawSQL("DELETE FROM %s WHERE package_name=\"%s\"", POLICY_TABLE, pkg);
-    }
-
-    public void deletePolicy(int uid) {
-        rawSQL("DELETE FROM %s WHERE uid=%d", POLICY_TABLE, uid);
-    }
-
-    public Policy getPolicy(int uid) {
-        List<ContentValues> res =
-                SQL("SELECT * FROM %s WHERE uid=%d", POLICY_TABLE, uid);
-        if (!res.isEmpty()) {
-            try {
-                return new Policy(res.get(0), pm);
-            } catch (PackageManager.NameNotFoundException e) {
-                deletePolicy(uid);
-            }
-        }
-        return null;
-    }
-
-    public void updatePolicy(Policy policy) {
-        rawSQL("REPLACE INTO %s %s", POLICY_TABLE, toSQL(policy.getContentValues()));
-    }
-
-    public List<Policy> getPolicyList() {
-        List<Policy> list = new ArrayList<>();
-        for (ContentValues values : SQL("SELECT * FROM %s WHERE uid/100000=%d", POLICY_TABLE, Const.USER_ID)) {
-            try {
-                list.add(new Policy(values, pm));
-            } catch (PackageManager.NameNotFoundException e) {
-                deletePolicy(values.getAsInteger("uid"));
-            }
-        }
-        Collections.sort(list);
-        return list;
-    }
-
-    public List<List<SuLogEntry>> getLogs() {
-        List<List<SuLogEntry>> ret = new ArrayList<>();
-        List<SuLogEntry> list = null;
-        String dateString = null, newString;
-        for (ContentValues values : SQL("SELECT * FROM %s ORDER BY time DESC", LOG_TABLE)) {
-            Date date = new Date(values.getAsLong("time"));
-            newString = DateFormat.getDateInstance(DateFormat.MEDIUM, LocaleManager.locale).format(date);
-            if (!TextUtils.equals(dateString, newString)) {
-                dateString = newString;
-                list = new ArrayList<>();
-                ret.add(list);
-            }
-            list.add(new SuLogEntry(values));
-        }
-        return ret;
-    }
-
-    public void addLog(SuLogEntry log) {
-        rawSQL("INSERT INTO %s %s", LOG_TABLE, toSQL(log.getContentValues()));
-    }
-
-    public void clearLogs() {
-        rawSQL("DELETE FROM %s", LOG_TABLE);
-    }
-
-    public void rmSettings(String key) {
-        rawSQL("DELETE FROM %s WHERE key=\"%s\"", SETTINGS_TABLE, key);
-    }
-
-    public void setSettings(String key, int value) {
-        ContentValues data = new ContentValues();
-        data.put("key", key);
-        data.put("value", value);
-        rawSQL("REPLACE INTO %s %s", SETTINGS_TABLE, toSQL(data));
-    }
-
-    public int getSettings(String key, int defaultValue) {
-        List<ContentValues> res = SQL("SELECT value FROM %s WHERE key=\"%s\"", SETTINGS_TABLE, key);
-        if (res.isEmpty())
-            return defaultValue;
-        return res.get(0).getAsInteger("value");
-    }
-
-    public void setStrings(String key, String value) {
-        if (value == null) {
-            rawSQL("DELETE FROM %s WHERE key=\"%s\"", STRINGS_TABLE, key);
-            return;
-        }
-        ContentValues data = new ContentValues();
-        data.put("key", key);
-        data.put("value", value);
-        rawSQL("REPLACE INTO %s %s", STRINGS_TABLE, toSQL(data));
-    }
-
-    public String getStrings(String key, String defaultValue) {
-        List<ContentValues> res = SQL("SELECT value FROM %s WHERE key=\"%s\"", STRINGS_TABLE, key);
-        if (res.isEmpty())
-            return defaultValue;
-        return res.get(0).getAsString("value");
-    }
-}

app/src/main/java/com/topjohnwu/magisk/data/database/PolicyDao.kt

@@ -0,0 +1,75 @@
+package com.topjohnwu.magisk.data.database
+
+import android.content.Context
+import android.content.pm.PackageManager
+import com.topjohnwu.magisk.Const
+import com.topjohnwu.magisk.data.database.base.*
+import com.topjohnwu.magisk.extensions.now
+import com.topjohnwu.magisk.model.entity.MagiskPolicy
+import com.topjohnwu.magisk.model.entity.toMap
+import com.topjohnwu.magisk.model.entity.toPolicy
+import timber.log.Timber
+import java.util.concurrent.TimeUnit
+
+
+class PolicyDao(
+    private val context: Context
+) : BaseDao() {
+
+    override val table: String = DatabaseDefinition.Table.POLICY
+
+    fun deleteOutdated(
+        nowSeconds: Long = TimeUnit.MILLISECONDS.toSeconds(now)
+    ) = query<Delete> {
+        condition {
+            greaterThan("until", "0")
+            and {
+                lessThan("until", nowSeconds.toString())
+            }
+            or {
+                lessThan("until", "0")
+            }
+        }
+    }.ignoreElement()
+
+    fun delete(packageName: String) = query<Delete> {
+        condition {
+            equals("package_name", packageName)
+        }
+    }.ignoreElement()
+
+    fun delete(uid: Int) = query<Delete> {
+        condition {
+            equals("uid", uid)
+        }
+    }.ignoreElement()
+
+    fun fetch(uid: Int) = query<Select> {
+        condition {
+            equals("uid", uid)
+        }
+    }.map { it.first().toPolicySafe() }
+
+    fun update(policy: MagiskPolicy) = query<Replace> {
+        values(policy.toMap())
+    }.ignoreElement()
+
+    fun fetchAll() = query<Select> {
+        condition {
+            equals("uid/100000", Const.USER_ID)
+        }
+    }.map { it.mapNotNull { it.toPolicySafe() } }
+
+
+    private fun Map<String, String>.toPolicySafe(): MagiskPolicy? {
+        return runCatching { toPolicy(context.packageManager) }.getOrElse {
+            Timber.e(it)
+            if (it is PackageManager.NameNotFoundException) {
+                val uid = getOrElse("uid") { null } ?: return null
+                delete(uid).subscribe()
+            }
+            null
+        }
+    }
+
+}

app/src/main/java/com/topjohnwu/magisk/data/database/RepoDao.kt

@@ -0,0 +1,72 @@
+package com.topjohnwu.magisk.data.database
+
+import androidx.room.*
+import com.topjohnwu.magisk.Config
+import com.topjohnwu.magisk.model.entity.module.Repo
+
+@Dao
+abstract class RepoDao {
+
+    val repoIDList get() = getRepoID().map { it.id }
+
+    val repos: List<Repo> get() = when (Config.repoOrder) {
+            Config.Value.ORDER_NAME -> getReposNameOrder()
+            else -> getReposDateOrder()
+        }
+
+    var etagKey: String
+        set(etag) = addEtagRaw(RepoEtag(0, etag))
+        get() = etagRaw()?.key.orEmpty()
+
+    fun clear() {
+        clearRepos()
+        clearEtag()
+    }
+
+    @Query("SELECT * FROM repos ORDER BY last_update DESC")
+    protected abstract fun getReposDateOrder(): List<Repo>
+
+    @Query("SELECT * FROM repos ORDER BY name COLLATE NOCASE")
+    protected abstract fun getReposNameOrder(): List<Repo>
+
+    @Insert(onConflict = OnConflictStrategy.REPLACE)
+    abstract fun addRepo(repo: Repo)
+
+    @Query("SELECT * FROM repos WHERE id = :id")
+    abstract fun getRepo(id: String): Repo?
+
+    @Query("SELECT id FROM repos")
+    protected abstract fun getRepoID(): List<RepoID>
+
+    @Delete
+    abstract fun removeRepo(repo: Repo)
+
+    @Query("DELETE FROM repos WHERE id = :id")
+    abstract fun removeRepo(id: String)
+
+    @Query("DELETE FROM repos WHERE id IN (:idList)")
+    abstract fun removeRepos(idList: Collection<String>)
+
+    @Query("SELECT * FROM etag")
+    protected abstract fun etagRaw(): RepoEtag?
+
+    @Insert(onConflict = OnConflictStrategy.REPLACE)
+    protected abstract fun addEtagRaw(etag: RepoEtag)
+
+    @Query("DELETE FROM repos")
+    protected abstract fun clearRepos()
+
+    @Query("DELETE FROM etag")
+    protected abstract fun clearEtag()
+}
+
+data class RepoID(
+    @PrimaryKey val id: String
+)
+
+@Entity(tableName = "etag")
+data class RepoEtag(
+    @PrimaryKey val id: Int,
+    val key: String
+)
+

app/src/main/java/com/topjohnwu/magisk/data/database/RepoDatabase.kt

@@ -0,0 +1,11 @@
+package com.topjohnwu.magisk.data.database
+
+import androidx.room.Database
+import androidx.room.RoomDatabase
+import com.topjohnwu.magisk.model.entity.module.Repo
+
+@Database(version = 6, entities = [Repo::class, RepoEtag::class])
+abstract class RepoDatabase : RoomDatabase() {
+
+    abstract fun repoDao() : RepoDao
+}

app/src/main/java/com/topjohnwu/magisk/data/database/RepoDatabaseHelper.java

@@ -1,107 +0,0 @@
-package com.topjohnwu.magisk.data.database;
-
-import android.content.Context;
-import android.database.Cursor;
-import android.database.sqlite.SQLiteDatabase;
-import android.database.sqlite.SQLiteOpenHelper;
-
-import com.topjohnwu.magisk.Config;
-import com.topjohnwu.magisk.model.entity.Repo;
-
-import java.util.HashSet;
-import java.util.Set;
-
-public class RepoDatabaseHelper extends SQLiteOpenHelper {
-
-    private static final int DATABASE_VER = 5;
-    private static final String TABLE_NAME = "repos";
-
-    private SQLiteDatabase mDb;
-
-    public RepoDatabaseHelper(Context context) {
-        super(context, "repo.db", null, DATABASE_VER);
-        mDb = getWritableDatabase();
-    }
-
-    @Override
-    public void onCreate(SQLiteDatabase db) {
-        onUpgrade(db, 0, DATABASE_VER);
-    }
-
-    @Override
-    public void onUpgrade(SQLiteDatabase db, int oldVersion, int newVersion) {
-        if (oldVersion != newVersion) {
-            // Nuke old DB and create new table
-            db.execSQL("DROP TABLE IF EXISTS " + TABLE_NAME);
-            db.execSQL(
-                    "CREATE TABLE IF NOT EXISTS " + TABLE_NAME + " " +
-                            "(id TEXT, name TEXT, version TEXT, versionCode INT, " +
-                            "author TEXT, description TEXT, last_update INT, PRIMARY KEY(id))");
-            Config.remove(Config.Key.ETAG_KEY);
-        }
-    }
-
-    @Override
-    public void onDowngrade(SQLiteDatabase db, int oldVersion, int newVersion) {
-        onUpgrade(db, 0, DATABASE_VER);
-    }
-
-    public void clearRepo() {
-        mDb.delete(TABLE_NAME, null, null);
-    }
-
-
-    public void removeRepo(String id) {
-        mDb.delete(TABLE_NAME, "id=?", new String[] { id });
-    }
-
-    public void removeRepo(Repo repo) {
-        removeRepo(repo.getId());
-    }
-
-    public void removeRepo(Iterable<String> list) {
-        for (String id : list) {
-            if (id == null) continue;
-            mDb.delete(TABLE_NAME, "id=?", new String[] { id });
-        }
-    }
-
-    public void addRepo(Repo repo) {
-        mDb.replace(TABLE_NAME, null, repo.getContentValues());
-    }
-
-    public Repo getRepo(String id) {
-        try (Cursor c = mDb.query(TABLE_NAME, null, "id=?", new String[] { id }, null, null, null)) {
-            if (c.moveToNext()) {
-                return new Repo(c);
-            }
-        }
-        return null;
-    }
-
-    public Cursor getRawCursor() {
-        return mDb.query(TABLE_NAME, null, null, null, null, null, null);
-    }
-
-    public Cursor getRepoCursor() {
-        String orderBy = null;
-        switch ((int) Config.get(Config.Key.REPO_ORDER)) {
-            case Config.Value.ORDER_NAME:
-                orderBy = "name COLLATE NOCASE";
-                break;
-            case Config.Value.ORDER_DATE:
-                orderBy = "last_update DESC";
-        }
-        return mDb.query(TABLE_NAME, null, null, null, null, null, orderBy);
-    }
-
-    public Set<String> getRepoIDSet() {
-        HashSet<String> set = new HashSet<>(300);
-        try (Cursor c = mDb.query(TABLE_NAME, null, null, null, null, null, null)) {
-            while (c.moveToNext()) {
-                set.add(c.getString(c.getColumnIndex("id")));
-            }
-        }
-        return set;
-    }
-}

app/src/main/java/com/topjohnwu/magisk/data/database/SettingsDao.kt

@@ -0,0 +1,22 @@
+package com.topjohnwu.magisk.data.database
+
+import com.topjohnwu.magisk.data.database.base.*
+
+class SettingsDao : BaseDao() {
+
+    override val table = DatabaseDefinition.Table.SETTINGS
+
+    fun delete(key: String) = query<Delete> {
+        condition { equals("key", key) }
+    }.ignoreElement()
+
+    fun put(key: String, value: Int) = query<Replace> {
+        values("key" to key, "value" to value)
+    }.ignoreElement()
+
+    fun fetch(key: String, default: Int = -1) = query<Select> {
+        fields("value")
+        condition { equals("key", key) }
+    }.map { it.firstOrNull()?.values?.firstOrNull()?.toIntOrNull() ?: default }
+
+}

app/src/main/java/com/topjohnwu/magisk/data/database/StringDao.kt

@@ -0,0 +1,22 @@
+package com.topjohnwu.magisk.data.database
+
+import com.topjohnwu.magisk.data.database.base.*
+
+class StringDao : BaseDao() {
+
+    override val table = DatabaseDefinition.Table.STRINGS
+
+    fun delete(key: String) = query<Delete> {
+        condition { equals("key", key) }
+    }.ignoreElement()
+
+    fun put(key: String, value: String) = query<Replace> {
+        values("key" to key, "value" to value)
+    }.ignoreElement()
+
+    fun fetch(key: String, default: String = "") = query<Select> {
+        fields("value")
+        condition { equals("key", key) }
+    }.map { it.firstOrNull()?.values?.firstOrNull() ?: default }
+
+}

app/src/main/java/com/topjohnwu/magisk/data/database/base/BaseDao.kt

@@ -0,0 +1,15 @@
+package com.topjohnwu.magisk.data.database.base
+
+abstract class BaseDao {
+
+    abstract val table: String
+
+    inline fun <reified Builder : MagiskQueryBuilder> query(builder: Builder.() -> Unit) =
+        Builder::class.java.newInstance()
+            .apply { table = this@BaseDao.table }
+            .apply(builder)
+            .toString()
+            .let { MagiskQuery(it) }
+            .query()
+
+}

app/src/main/java/com/topjohnwu/magisk/data/database/base/DatabaseDefinition.kt

@@ -0,0 +1,30 @@
+package com.topjohnwu.magisk.data.database.base
+
+import androidx.annotation.AnyThread
+import com.topjohnwu.superuser.Shell
+import io.reactivex.Single
+
+object DatabaseDefinition {
+
+    object Table {
+        const val POLICY = "policies"
+        const val LOG = "logs"
+        const val SETTINGS = "settings"
+        const val STRINGS = "strings"
+    }
+
+}
+
+@AnyThread
+fun MagiskQuery.query() = query.su()
+
+fun String.suRaw() = Single.fromCallable { Shell.su(this).exec().out }
+fun String.su() = suRaw().map { it.toMap() }
+
+fun List<String>.toMap() = map { it.split(Regex("\\|")) }
+    .map { it.toMapInternal() }
+
+private fun List<String>.toMapInternal() = map { it.split("=", limit = 2) }
+    .filter { it.size == 2 }
+    .map { Pair(it[0], it[1]) }
+    .toMap()

app/src/main/java/com/topjohnwu/magisk/data/database/base/MagiskQuery.kt

@@ -0,0 +1,5 @@
+package com.topjohnwu.magisk.data.database.base
+
+inline class MagiskQuery(private val _query: String) {
+    val query get() = "magisk --sqlite '$_query'"
+}

app/src/main/java/com/topjohnwu/magisk/data/database/base/MagiskQueryBuilder.kt

@@ -0,0 +1,155 @@
+package com.topjohnwu.magisk.data.database.base
+
+import androidx.annotation.StringDef
+import com.topjohnwu.magisk.data.database.base.Order.Companion.ASC
+import com.topjohnwu.magisk.data.database.base.Order.Companion.DESC
+
+interface MagiskQueryBuilder {
+
+    val requestType: String
+    var table: String
+
+    companion object {
+        inline operator fun <reified Builder : MagiskQueryBuilder> invoke(builder: Builder.() -> Unit): MagiskQuery =
+            Builder::class.java.newInstance()
+                .apply(builder)
+                .toString()
+                .let {
+                    MagiskQuery(it)
+                }
+    }
+
+}
+
+class Delete : MagiskQueryBuilder {
+    override val requestType: String = "DELETE FROM"
+    override var table = ""
+
+    private var condition = ""
+
+    fun condition(builder: Condition.() -> Unit) {
+        condition = Condition().apply(builder).toString()
+    }
+
+    override fun toString(): String {
+        return listOf(requestType, table, condition).joinToString(" ")
+    }
+}
+
+class Select : MagiskQueryBuilder {
+    override val requestType: String get() = "SELECT $fields FROM"
+    override lateinit var table: String
+
+    private var fields = "*"
+    private var condition = ""
+    private var orderField = ""
+
+    fun fields(vararg newFields: String) {
+        if (newFields.isEmpty()) {
+            fields = "*"
+            return
+        }
+        fields = newFields.joinToString(", ")
+    }
+
+    fun condition(builder: Condition.() -> Unit) {
+        condition = Condition().apply(builder).toString()
+    }
+
+    fun orderBy(field: String, @OrderStrict order: String) {
+        orderField = "ORDER BY $field $order"
+    }
+
+    override fun toString(): String {
+        return listOf(requestType, table, condition, orderField).joinToString(" ")
+    }
+}
+
+class Replace : Insert() {
+    override val requestType: String = "REPLACE INTO"
+}
+
+open class Insert : MagiskQueryBuilder {
+    override val requestType: String = "INSERT INTO"
+    override lateinit var table: String
+
+    private val keys get() = _values.keys.joinToString(",")
+    private val values get() = _values.values.joinToString(",") {
+        when (it) {
+            is Boolean -> if (it) "1" else "0"
+            is Number -> it.toString()
+            else -> "\"$it\""
+        }
+    }
+    private var _values: Map<String, Any> = mapOf()
+
+    fun values(vararg pairs: Pair<String, Any>) {
+        _values = pairs.toMap()
+    }
+
+    fun values(values: Map<String, Any>) {
+        _values = values
+    }
+
+    override fun toString(): String {
+        return listOf(requestType, table, "($keys) VALUES($values)").joinToString(" ")
+    }
+}
+
+class Condition {
+
+    private val conditionWord = "WHERE %s"
+    private var condition: String = ""
+
+    fun equals(field: String, value: Any) {
+        condition = when (value) {
+            is String -> "$field=\"$value\""
+            else -> "$field=$value"
+        }
+    }
+
+    fun greaterThan(field: String, value: String) {
+        condition = "$field > $value"
+    }
+
+    fun lessThan(field: String, value: String) {
+        condition = "$field < $value"
+    }
+
+    fun greaterOrEqualTo(field: String, value: String) {
+        condition = "$field >= $value"
+    }
+
+    fun lessOrEqualTo(field: String, value: String) {
+        condition = "$field <= $value"
+    }
+
+    fun and(builder: Condition.() -> Unit) {
+        condition = "($condition AND ${Condition().apply(builder).condition})"
+    }
+
+    fun or(builder: Condition.() -> Unit) {
+        condition = "($condition OR ${Condition().apply(builder).condition})"
+    }
+
+    override fun toString(): String {
+        return conditionWord.format(condition)
+    }
+}
+
+class Order {
+
+    @set:OrderStrict
+    var order = DESC
+    var field = ""
+
+    companion object {
+        const val ASC = "ASC"
+        const val DESC = "DESC"
+    }
+
+}
+
+@StringDef(ASC, DESC)
+@Retention(AnnotationRetention.SOURCE)
+annotation class OrderStrict

app/src/main/java/com/topjohnwu/magisk/data/network/GithubServices.kt

@@ -0,0 +1,81 @@
+package com.topjohnwu.magisk.data.network
+
+import com.topjohnwu.magisk.Const
+import com.topjohnwu.magisk.model.entity.UpdateInfo
+import com.topjohnwu.magisk.tasks.GithubRepoInfo
+import io.reactivex.Flowable
+import io.reactivex.Single
+import okhttp3.ResponseBody
+import retrofit2.adapter.rxjava2.Result
+import retrofit2.http.*
+
+interface GithubRawServices {
+
+    //region topjohnwu/magisk_files
+
+    @GET("$MAGISK_FILES/master/stable.json")
+    fun fetchStableUpdate(): Single<UpdateInfo>
+
+    @GET("$MAGISK_FILES/master/beta.json")
+    fun fetchBetaUpdate(): Single<UpdateInfo>
+
+    @GET("$MAGISK_FILES/master/canary_builds/release.json")
+    fun fetchCanaryUpdate(): Single<UpdateInfo>
+
+    @GET("$MAGISK_FILES/master/canary_builds/canary.json")
+    fun fetchCanaryDebugUpdate(): Single<UpdateInfo>
+
+    @GET
+    fun fetchCustomUpdate(@Url url: String): Single<UpdateInfo>
+
+    @GET("$MAGISK_FILES/{$REVISION}/snet.jar")
+    @Streaming
+    fun fetchSafetynet(@Path(REVISION) revision: String = Const.SNET_REVISION): Single<ResponseBody>
+
+    @GET("$MAGISK_FILES/{$REVISION}/bootctl")
+    @Streaming
+    fun fetchBootctl(@Path(REVISION) revision: String = Const.BOOTCTL_REVISION): Single<ResponseBody>
+
+    @GET("$MAGISK_MASTER/scripts/module_installer.sh")
+    @Streaming
+    fun fetchInstaller(): Single<ResponseBody>
+
+    @GET("$MAGISK_MODULES/{$MODULE}/master/{$FILE}")
+    fun fetchModuleInfo(@Path(MODULE) id: String, @Path(FILE) file: String): Single<String>
+
+    //endregion
+
+    /**
+     * This method shall be used exclusively for fetching files from urls from previous requests.
+     * Him, who uses it in a wrong way, shall die in an eternal flame.
+     * */
+    @GET
+    @Streaming
+    fun fetchFile(@Url url: String): Single<ResponseBody>
+
+    @GET
+    fun fetchString(@Url url: String): Single<String>
+
+
+    companion object {
+        private const val REVISION = "revision"
+        private const val MODULE = "module"
+        private const val FILE = "file"
+
+
+        private const val MAGISK_FILES = "topjohnwu/magisk_files"
+        private const val MAGISK_MASTER = "topjohnwu/Magisk/master"
+        private const val MAGISK_MODULES = "Magisk-Modules-Repo"
+    }
+
+}
+
+interface GithubApiServices {
+
+    @GET("repos")
+    fun fetchRepos(@Query("page") page: Int,
+                   @Header(Const.Key.IF_NONE_MATCH) etag: String,
+                   @Query("sort") sort: String = "pushed",
+                   @Query("per_page") count: Int = 100): Flowable<Result<List<GithubRepoInfo>>>
+
+}

app/src/main/java/com/topjohnwu/magisk/data/repository/DBConfig.kt

@@ -0,0 +1,106 @@
+package com.topjohnwu.magisk.data.repository
+
+import com.topjohnwu.magisk.data.database.SettingsDao
+import com.topjohnwu.magisk.data.database.StringDao
+import io.reactivex.schedulers.Schedulers
+import kotlin.properties.ReadWriteProperty
+import kotlin.reflect.KProperty
+
+interface DBConfig {
+    val settingsDao: SettingsDao
+    val stringDao: StringDao
+
+    fun dbSettings(
+        name: String,
+        default: Int
+    ) = DBSettingsValue(name, default)
+
+    fun dbSettings(
+        name: String,
+        default: Boolean
+    ) = DBBoolSettings(name, default)
+
+    fun dbStrings(
+        name: String,
+        default: String,
+        sync: Boolean = false
+    ) = DBStringsValue(name, default, sync)
+
+}
+
+class DBSettingsValue(
+        private val name: String,
+        private val default: Int
+) : ReadWriteProperty<DBConfig, Int> {
+
+    private var value: Int? = null
+
+    @Synchronized
+    override fun getValue(thisRef: DBConfig, property: KProperty<*>): Int {
+        if (value == null)
+            value = thisRef.settingsDao.fetch(name, default).blockingGet()
+        return value!!
+    }
+
+    override fun setValue(thisRef: DBConfig, property: KProperty<*>, value: Int) {
+        synchronized(this) {
+            this.value = value
+        }
+        thisRef.settingsDao.put(name, value)
+                .subscribeOn(Schedulers.io())
+                .subscribe()
+    }
+}
+
+class DBBoolSettings(
+        name: String,
+        default: Boolean
+) : ReadWriteProperty<DBConfig, Boolean> {
+
+    val base = DBSettingsValue(name, if (default) 1 else 0)
+
+    override fun getValue(thisRef: DBConfig, property: KProperty<*>): Boolean
+            = base.getValue(thisRef, property) != 0
+
+    override fun setValue(thisRef: DBConfig, property: KProperty<*>, value: Boolean) =
+            base.setValue(thisRef, property, if (value) 1 else 0)
+}
+
+class DBStringsValue(
+        private val name: String,
+        private val default: String,
+        private val sync: Boolean
+) : ReadWriteProperty<DBConfig, String> {
+
+    private var value: String? = null
+
+    @Synchronized
+    override fun getValue(thisRef: DBConfig, property: KProperty<*>): String {
+        if (value == null)
+            value = thisRef.stringDao.fetch(name, default).blockingGet()
+        return value!!
+    }
+
+    override fun setValue(thisRef: DBConfig, property: KProperty<*>, value: String) {
+        synchronized(this) {
+            this.value = value
+        }
+        if (value.isEmpty()) {
+            if (sync) {
+                thisRef.stringDao.delete(name).blockingAwait()
+            } else {
+                thisRef.stringDao.delete(name)
+                        .subscribeOn(Schedulers.io())
+                        .subscribe()
+            }
+        } else {
+            if (sync) {
+                thisRef.stringDao.put(name, value).blockingAwait()
+            } else {
+                thisRef.stringDao.put(name, value)
+                        .subscribeOn(Schedulers.io())
+                        .subscribe()
+            }
+        }
+    }
+}

app/src/main/java/com/topjohnwu/magisk/data/repository/LogRepository.kt

@@ -0,0 +1,40 @@
+package com.topjohnwu.magisk.data.repository
+
+import com.topjohnwu.magisk.Const
+import com.topjohnwu.magisk.data.database.LogDao
+import com.topjohnwu.magisk.data.database.base.suRaw
+import com.topjohnwu.magisk.extensions.toSingle
+import com.topjohnwu.magisk.model.entity.MagiskLog
+import com.topjohnwu.magisk.model.entity.WrappedMagiskLog
+import com.topjohnwu.superuser.Shell
+import java.util.concurrent.TimeUnit
+
+
+class LogRepository(
+    private val logDao: LogDao
+) {
+
+    fun fetchLogs() = logDao.fetchAll()
+        .map { it.sortByDescending { it.date.time }; it }
+        .map { it.wrap() }
+
+    fun fetchMagiskLogs() = "tail -n 5000 ${Const.MAGISK_LOG}".suRaw()
+        .filter { it.isNotEmpty() }
+
+    fun clearLogs() = logDao.deleteAll()
+    fun clearOutdated() = logDao.deleteOutdated()
+
+    fun clearMagiskLogs() = Shell.su("echo -n > " + Const.MAGISK_LOG)
+        .toSingle()
+        .map { it.exec() }
+
+    fun put(log: MagiskLog) = logDao.put(log)
+
+    private fun List<MagiskLog>.wrap(): List<WrappedMagiskLog> {
+        val day = TimeUnit.DAYS.toMillis(1)
+        return groupBy { it.date.time / day }
+            .map { WrappedMagiskLog(it.key * day, it.value) }
+    }
+
+
+}

app/src/main/java/com/topjohnwu/magisk/data/repository/MagiskRepository.kt

@@ -0,0 +1,77 @@
+package com.topjohnwu.magisk.data.repository
+
+import android.content.pm.PackageManager
+import com.topjohnwu.magisk.Config
+import com.topjohnwu.magisk.Info
+import com.topjohnwu.magisk.data.database.base.su
+import com.topjohnwu.magisk.data.network.GithubRawServices
+import com.topjohnwu.magisk.extensions.getLabel
+import com.topjohnwu.magisk.extensions.packageName
+import com.topjohnwu.magisk.extensions.toSingle
+import com.topjohnwu.magisk.model.entity.HideAppInfo
+import com.topjohnwu.magisk.model.entity.HideTarget
+import com.topjohnwu.superuser.Shell
+import io.reactivex.Single
+
+class MagiskRepository(
+        private val apiRaw: GithubRawServices,
+        private val packageManager: PackageManager
+) {
+
+    fun fetchSafetynet() = apiRaw.fetchSafetynet()
+
+    fun fetchUpdate() = when (Config.updateChannel) {
+        Config.Value.DEFAULT_CHANNEL, Config.Value.STABLE_CHANNEL -> apiRaw.fetchStableUpdate()
+        Config.Value.BETA_CHANNEL -> apiRaw.fetchBetaUpdate()
+        Config.Value.CANARY_CHANNEL -> apiRaw.fetchCanaryUpdate()
+        Config.Value.CANARY_DEBUG_CHANNEL -> apiRaw.fetchCanaryDebugUpdate()
+        Config.Value.CUSTOM_CHANNEL -> apiRaw.fetchCustomUpdate(Config.customChannelUrl)
+        else -> throw IllegalArgumentException()
+    }.flatMap {
+        // If remote version is lower than current installed, try switching to beta
+        if (it.magisk.versionCode < Info.magiskVersionCode
+                && Config.updateChannel == Config.Value.DEFAULT_CHANNEL) {
+            Config.updateChannel = Config.Value.BETA_CHANNEL
+            apiRaw.fetchBetaUpdate()
+        } else {
+            Single.just(it)
+        }
+    }.doOnSuccess { Info.remote = it }
+
+    fun fetchApps() =
+        Single.fromCallable { packageManager.getInstalledApplications(0) }
+            .flattenAsFlowable { it }
+            .filter { it.enabled && !blacklist.contains(it.packageName) }
+            .map {
+                val label = it.getLabel(packageManager)
+                val icon = it.loadIcon(packageManager)
+                HideAppInfo(it, label, icon)
+            }
+            .filter { it.processes.isNotEmpty() }
+            .toList()
+
+    fun fetchHideTargets() = Shell.su("magiskhide --ls").toSingle()
+        .map { it.exec().out }
+        .flattenAsFlowable { it }
+        .map { HideTarget(it) }
+        .toList()
+
+    fun toggleHide(isEnabled: Boolean, packageName: String, process: String) =
+        "magiskhide --%s %s %s".format(isEnabled.state, packageName, process).su().ignoreElement()
+
+    private val Boolean.state get() = if (this) "add" else "rm"
+
+    companion object {
+        private val blacklist by lazy { listOf(
+            packageName,
+            "android",
+            "com.android.chrome",
+            "com.chrome.beta",
+            "com.chrome.dev",
+            "com.chrome.canary",
+            "com.android.webview",
+            "com.google.android.webview"
+        ) }
+    }
+
+}

app/src/main/java/com/topjohnwu/magisk/data/repository/StringRepository.kt

@@ -0,0 +1,15 @@
+package com.topjohnwu.magisk.data.repository
+
+import com.topjohnwu.magisk.data.network.GithubRawServices
+import com.topjohnwu.magisk.model.entity.module.Repo
+
+class StringRepository(
+    private val api: GithubRawServices
+) {
+
+    fun getString(url: String) = api.fetchString(url)
+
+    fun getMetadata(repo: Repo) = api.fetchModuleInfo(repo.id, "module.prop")
+
+    fun getReadme(repo: Repo) = api.fetchModuleInfo(repo.id, "README.md")
+}

app/src/main/java/com/topjohnwu/magisk/di/ApplicationModule.kt

@@ -1,19 +1,61 @@
 package com.topjohnwu.magisk.di
 
+import android.annotation.SuppressLint
+import android.app.Activity
+import android.app.Application
 import android.content.Context
+import android.os.Build
+import android.os.Bundle
 import androidx.preference.PreferenceManager
 import com.skoumal.teanity.rxbus.RxBus
-import com.topjohnwu.magisk.App
+import org.koin.core.qualifier.named
 import org.koin.dsl.module
 
+val SUTimeout = named("su_timeout")
+val Protected = named("protected")
 
 val applicationModule = module {
     single { RxBus() }
     factory { get<Context>().resources }
-    factory { get<Context>() as App }
     factory { get<Context>().packageManager }
-    single(SUTimeout) {
-        get<App>().protectedContext.getSharedPreferences("su_timeout", 0)
-    }
-    single { PreferenceManager.getDefaultSharedPreferences(get<App>().protectedContext) }
+    factory(Protected) { createDEContext(get()) }
+    single(SUTimeout) { get<Context>(Protected).getSharedPreferences("su_timeout", 0) }
+    single { PreferenceManager.getDefaultSharedPreferences(get<Context>(Protected)) }
+    single { ActivityTracker() }
+    factory { get<ActivityTracker>().foreground ?: NullActivity }
 }
+
+private fun createDEContext(context: Context): Context {
+    return if (Build.VERSION.SDK_INT >= 24)
+        context.createDeviceProtectedStorageContext()
+    else context
+}
+
+class ActivityTracker : Application.ActivityLifecycleCallbacks {
+
+    @Volatile
+    var foreground: Activity? = null
+
+    override fun onActivityCreated(activity: Activity, bundle: Bundle?) {}
+
+    override fun onActivityStarted(activity: Activity) {}
+
+    @Synchronized
+    override fun onActivityResumed(activity: Activity) {
+        foreground = activity
+    }
+
+    @Synchronized
+    override fun onActivityPaused(activity: Activity) {
+        foreground = null
+    }
+
+    override fun onActivityStopped(activity: Activity) {}
+
+    override fun onActivitySaveInstanceState(activity: Activity, bundle: Bundle) {}
+
+    override fun onActivityDestroyed(activity: Activity) {}
+}
+
+@SuppressLint("Registered")
+object NullActivity : Activity()

app/src/main/java/com/topjohnwu/magisk/di/DatabaseModule.kt

@@ -1,12 +1,23 @@
 package com.topjohnwu.magisk.di
 
-import com.topjohnwu.magisk.App
-import com.topjohnwu.magisk.data.database.MagiskDB
-import com.topjohnwu.magisk.data.database.RepoDatabaseHelper
+import android.content.Context
+import androidx.room.Room
+import com.topjohnwu.magisk.data.database.*
+import com.topjohnwu.magisk.tasks.RepoUpdater
 import org.koin.dsl.module
 
 
 val databaseModule = module {
-    single { MagiskDB(get<App>().protectedContext) }
-    single { RepoDatabaseHelper(get()) }
+    single { LogDao() }
+    single { PolicyDao(get()) }
+    single { SettingsDao() }
+    single { StringDao() }
+    single { createRepoDatabase(get()) }
+    single { get<RepoDatabase>().repoDao() }
+    single { RepoUpdater(get(), get()) }
 }
+
+fun createRepoDatabase(context: Context) =
+        Room.databaseBuilder(context, RepoDatabase::class.java, "repo.db")
+            .fallbackToDestructiveMigration()
+            .build()

app/src/main/java/com/topjohnwu/magisk/di/MiscModule.kt

@@ -1,10 +0,0 @@
-package com.topjohnwu.magisk.di
-
-import org.koin.dsl.module
-
-
-val miscModule = module {
-
-    // define miscs here
-
-}

app/src/main/java/com/topjohnwu/magisk/di/Modules.kt

@@ -5,6 +5,5 @@ val koinModules = listOf(
     networkingModule,
     databaseModule,
     repositoryModule,
-    viewModelModules,
-    miscModule
+    viewModelModules
 )

app/src/main/java/com/topjohnwu/magisk/di/NamedInjection.kt

@@ -1,5 +0,0 @@
-package com.topjohnwu.magisk.di
-
-import org.koin.core.qualifier.named
-
-val SUTimeout = named("su_timeout")

app/src/main/java/com/topjohnwu/magisk/di/NetworkingModule.kt

@@ -1,6 +1,65 @@
 package com.topjohnwu.magisk.di
 
+import com.squareup.moshi.JsonAdapter
+import com.squareup.moshi.Moshi
+import com.topjohnwu.magisk.BuildConfig
+import com.topjohnwu.magisk.Const
+import com.topjohnwu.magisk.data.network.GithubApiServices
+import com.topjohnwu.magisk.data.network.GithubRawServices
+import okhttp3.OkHttpClient
+import okhttp3.logging.HttpLoggingInterceptor
 import org.koin.dsl.module
+import retrofit2.Retrofit
+import retrofit2.adapter.rxjava2.RxJava2CallAdapterFactory
+import retrofit2.converter.moshi.MoshiConverterFactory
+import retrofit2.converter.scalars.ScalarsConverterFactory
+import se.ansman.kotshi.KotshiJsonAdapterFactory
 
+val networkingModule = module {
+    single { createOkHttpClient() }
+    single { createMoshiConverterFactory() }
+    single { createRetrofit(get(), get()) }
+    single { createApiService<GithubRawServices>(get(), Const.Url.GITHUB_RAW_URL) }
+    single { createApiService<GithubApiServices>(get(), Const.Url.GITHUB_API_URL) }
+}
 
-val networkingModule = module {}
+fun createOkHttpClient(): OkHttpClient {
+    val builder = OkHttpClient.Builder()
+
+    if (BuildConfig.DEBUG) {
+        val httpLoggingInterceptor = HttpLoggingInterceptor().apply {
+            level = HttpLoggingInterceptor.Level.HEADERS
+        }
+        builder.addInterceptor(httpLoggingInterceptor)
+    }
+
+    return builder.build()
+}
+
+fun createMoshiConverterFactory(): MoshiConverterFactory {
+    val moshi = Moshi.Builder()
+            .add(KotshiJsonAdapterFactory)
+            .build()
+    return MoshiConverterFactory.create(moshi)
+}
+
+fun createRetrofit(
+    okHttpClient: OkHttpClient,
+    converterFactory: MoshiConverterFactory
+): Retrofit.Builder {
+    return Retrofit.Builder()
+        .addConverterFactory(ScalarsConverterFactory.create())
+        .addConverterFactory(converterFactory)
+        .addCallAdapterFactory(RxJava2CallAdapterFactory.create())
+        .client(okHttpClient)
+}
+
+@KotshiJsonAdapterFactory
+abstract class JsonAdapterFactory : JsonAdapter.Factory
+
+inline fun <reified T> createApiService(retrofitBuilder: Retrofit.Builder, baseUrl: String): T {
+    return retrofitBuilder
+        .baseUrl(baseUrl)
+        .build()
+        .create(T::class.java)
+}

app/src/main/java/com/topjohnwu/magisk/di/RepositoryModule.kt

@@ -1,6 +1,13 @@
 package com.topjohnwu.magisk.di
 
+import com.topjohnwu.magisk.data.repository.LogRepository
+import com.topjohnwu.magisk.data.repository.MagiskRepository
+import com.topjohnwu.magisk.data.repository.StringRepository
 import org.koin.dsl.module
 
 
-val repositoryModule = module {}
+val repositoryModule = module {
+    single { MagiskRepository(get(), get()) }
+    single { LogRepository(get()) }
+    single { StringRepository(get()) }
+}

app/src/main/java/com/topjohnwu/magisk/di/ViewModelsModule.kt

@@ -18,8 +18,10 @@ val viewModelModules = module {
     viewModel { HomeViewModel(get()) }
     viewModel { SuperuserViewModel(get(), get(), get(), get()) }
     viewModel { HideViewModel(get(), get()) }
-    viewModel { ModuleViewModel(get(), get()) }
+    viewModel { ModuleViewModel(get(), get(), get()) }
     viewModel { LogViewModel(get(), get()) }
-    viewModel { (action: String, uri: Uri?) -> FlashViewModel(action, uri, get()) }
+    viewModel { (action: String, file: Uri, additional: Uri) ->
+        FlashViewModel(action, file, additional, get())
+    }
     viewModel { SuRequestViewModel(get(), get(), get(SUTimeout), get()) }
 }

app/src/main/java/com/topjohnwu/magisk/extensions/XAndroid.kt

@@ -0,0 +1,121 @@
+package com.topjohnwu.magisk.extensions
+
+import android.content.Context
+import android.content.Intent
+import android.content.pm.ApplicationInfo
+import android.content.pm.ComponentInfo
+import android.content.pm.PackageInfo
+import android.content.pm.PackageManager
+import android.content.pm.PackageManager.*
+import android.content.res.Configuration
+import android.database.Cursor
+import android.net.Uri
+import android.provider.OpenableColumns
+import com.topjohnwu.magisk.utils.FileProvider
+import com.topjohnwu.magisk.utils.currentLocale
+import java.io.File
+import java.io.FileNotFoundException
+
+val packageName: String get() = get<Context>().packageName
+
+val PackageInfo.processes
+    get() = activities?.processNames.orEmpty() +
+            services?.processNames.orEmpty() +
+            receivers?.processNames.orEmpty() +
+            providers?.processNames.orEmpty()
+
+val Array<out ComponentInfo>.processNames get() = mapNotNull { it.processName }
+
+val ApplicationInfo.packageInfo: PackageInfo?
+    get() {
+        val pm: PackageManager by inject()
+
+        return try {
+            val request = GET_ACTIVITIES or
+                    GET_SERVICES or
+                    GET_RECEIVERS or
+                    GET_PROVIDERS
+            pm.getPackageInfo(packageName, request)
+        } catch (e1: Exception) {
+            try {
+                pm.activities(packageName).apply {
+                    services = pm.services(packageName)
+                    receivers = pm.receivers(packageName)
+                    providers = pm.providers(packageName)
+                }
+            } catch (e2: Exception) {
+                null
+            }
+        }
+    }
+
+val Uri.fileName: String
+    get() {
+        var name: String? = null
+        get<Context>().contentResolver.query(this, null, null, null, null)?.use { c ->
+            val nameIndex = c.getColumnIndex(OpenableColumns.DISPLAY_NAME)
+            if (nameIndex != -1) {
+                c.moveToFirst()
+                name = c.getString(nameIndex)
+            }
+        }
+        if (name == null && path != null) {
+            val idx = path!!.lastIndexOf('/')
+            name = path!!.substring(idx + 1)
+        }
+        return name.orEmpty()
+    }
+
+fun PackageManager.activities(packageName: String) =
+    getPackageInfo(packageName, GET_ACTIVITIES)
+
+fun PackageManager.services(packageName: String) =
+    getPackageInfo(packageName, GET_SERVICES).services
+
+fun PackageManager.receivers(packageName: String) =
+    getPackageInfo(packageName, GET_RECEIVERS).receivers
+
+fun PackageManager.providers(packageName: String) =
+    getPackageInfo(packageName, GET_PROVIDERS).providers
+
+fun Context.rawResource(id: Int) = resources.openRawResource(id)
+
+fun Context.readUri(uri: Uri) =
+    contentResolver.openInputStream(uri) ?: throw FileNotFoundException()
+
+fun Intent.startActivity(context: Context) = context.startActivity(this)
+
+fun File.provide(context: Context = get()): Uri {
+    return FileProvider.getUriForFile(context, context.packageName + ".provider", this)
+}
+
+fun File.mv(destination: File) {
+    inputStream().writeTo(destination)
+    deleteRecursively()
+}
+
+fun String.toFile() = File(this)
+
+fun Intent.chooser(title: String = "Pick an app") = Intent.createChooser(this, title)
+
+fun Context.cachedFile(name: String) = File(cacheDir, name)
+
+fun <Result> Cursor.toList(transformer: (Cursor) -> Result): List<Result> {
+    val out = mutableListOf<Result>()
+    while (moveToNext()) out.add(transformer(this))
+    return out
+}
+
+fun ApplicationInfo.getLabel(pm: PackageManager): String {
+    runCatching {
+        if (labelRes > 0) {
+            val res = pm.getResourcesForApplication(this)
+            val config = Configuration()
+            config.setLocale(currentLocale)
+            res.updateConfiguration(config, res.displayMetrics)
+            return res.getString(labelRes)
+        }
+    }
+
+    return loadLabel(pm).toString()
+}

app/src/main/java/com/topjohnwu/magisk/extensions/XBinding.kt

@@ -1,4 +1,4 @@
-package com.topjohnwu.magisk.utils
+package com.topjohnwu.magisk.extensions
 
 import com.skoumal.teanity.util.KObservableField
 

app/src/main/java/com/topjohnwu/magisk/extensions/XJava.kt

@@ -0,0 +1,103 @@
+package com.topjohnwu.magisk.extensions
+
+import android.net.Uri
+import android.os.Build
+import androidx.core.net.toFile
+import java.io.File
+import java.io.InputStream
+import java.io.OutputStream
+import java.util.*
+import java.util.zip.ZipEntry
+import java.util.zip.ZipInputStream
+import kotlin.NoSuchElementException
+
+fun ZipInputStream.forEach(callback: (ZipEntry) -> Unit) {
+    var entry: ZipEntry? = nextEntry
+    while (entry != null) {
+        callback(entry)
+        entry = nextEntry
+    }
+}
+
+fun Uri.writeTo(file: File) = toFile().copyTo(file)
+
+fun InputStream.writeTo(file: File) =
+        withStreams(this, file.outputStream()) { reader, writer -> reader.copyTo(writer) }
+
+inline fun <In : InputStream, Out : OutputStream> withStreams(
+    inStream: In,
+    outStream: Out,
+    withBoth: (In, Out) -> Unit
+) {
+    inStream.use { reader ->
+        outStream.use { writer ->
+            withBoth(reader, writer)
+        }
+    }
+}
+
+inline fun <T, R> List<T>.firstMap(mapper: (T) -> R?): R {
+    for (item: T in this) {
+        return mapper(item) ?: continue
+    }
+    throw NoSuchElementException("Collection contains no element matching the predicate.")
+}
+
+fun String.langTagToLocale(): Locale {
+    if (Build.VERSION.SDK_INT >= 21) {
+        return Locale.forLanguageTag(this)
+    } else {
+        val tok = split("-".toRegex()).dropLastWhile { it.isEmpty() }.toTypedArray()
+        if (tok.isEmpty()) {
+            return Locale("")
+        }
+        val language = when (tok[0]) {
+            "und" -> "" // Undefined
+            "fil" -> "tl" // Filipino
+            else -> tok[0]
+        }
+        if (language.length != 2 && language.length != 3)
+            return Locale("")
+        if (tok.size == 1)
+            return Locale(language)
+        val country = tok[1]
+
+        return if (country.length != 2 && country.length != 3) Locale(language)
+        else Locale(language, country)
+    }
+}
+
+fun Locale.toLangTag(): String {
+    if (Build.VERSION.SDK_INT >= 21) {
+        return toLanguageTag()
+    } else {
+        var language = language
+        var country = country
+        var variant = variant
+        when {
+            language.isEmpty() || !language.matches("\\p{Alpha}{2,8}".toRegex()) ->
+                language = "und"       // Follow the Locale#toLanguageTag() implementation
+            language == "iw" -> language = "he"        // correct deprecated "Hebrew"
+            language == "in" -> language = "id"        // correct deprecated "Indonesian"
+            language == "ji" -> language = "yi"        // correct deprecated "Yiddish"
+        }
+        // ensure valid country code, if not well formed, it's omitted
+
+        // variant subtags that begin with a letter must be at least 5 characters long
+        // ensure valid country code, if not well formed, it's omitted
+        if (!country.matches("\\p{Alpha}{2}|\\p{Digit}{3}".toRegex())) {
+            country = ""
+        }
+
+        // variant subtags that begin with a letter must be at least 5 characters long
+        if (!variant.matches("\\p{Alnum}{5,8}|\\p{Digit}\\p{Alnum}{3}".toRegex())) {
+            variant = ""
+        }
+        val tag = StringBuilder(language)
+        if (country.isNotEmpty())
+            tag.append('-').append(country)
+        if (variant.isNotEmpty())
+            tag.append('-').append(variant)
+        return tag.toString()
+    }
+}

app/src/main/java/com/topjohnwu/magisk/extensions/XKoin.kt

@@ -1,20 +1,17 @@
-package com.topjohnwu.magisk.utils
+package com.topjohnwu.magisk.extensions
 
 import org.koin.core.context.GlobalContext
 import org.koin.core.parameter.ParametersDefinition
 import org.koin.core.qualifier.Qualifier
-import org.koin.core.scope.Scope
 
 fun getKoin() = GlobalContext.get().koin
 
-inline fun <reified T : Any> inject(
+inline fun <reified T> inject(
     qualifier: Qualifier? = null,
-    scope: Scope? = null,
     noinline parameters: ParametersDefinition? = null
-) = lazy { get<T>(qualifier, scope, parameters) }
+) = lazy { get<T>(qualifier, parameters) }
 
-inline fun <reified T : Any> get(
+inline fun <reified T> get(
     qualifier: Qualifier? = null,
-    scope: Scope? = null,
     noinline parameters: ParametersDefinition? = null
-): T = getKoin().get(qualifier, scope, parameters)
+): T = getKoin().get(qualifier, parameters)

app/src/main/java/com/topjohnwu/magisk/extensions/XList.kt

@@ -1,5 +1,6 @@
-package com.topjohnwu.magisk.utils
+package com.topjohnwu.magisk.extensions
 
+import androidx.collection.SparseArrayCompat
 import androidx.databinding.ObservableList
 import com.skoumal.teanity.extensions.subscribeK
 import com.skoumal.teanity.util.DiffObservableList
@@ -76,4 +77,8 @@ fun <T1> ObservableList<T1>.copyNewInputInto(
         val addedValues = sender?.slice(positionStart until positionEnd).orEmpty()
         target.addAll(addedValues)
     }
-})
+})
+
+operator fun <E> SparseArrayCompat<E>.set(key: Int, value: E) {
+    put(key, value)
+}

app/src/main/java/com/topjohnwu/magisk/extensions/XRx.kt

@@ -1,4 +1,4 @@
-package com.topjohnwu.magisk.utils
+package com.topjohnwu.magisk.extensions
 
 import io.reactivex.Single
 import io.reactivex.functions.BiFunction

app/src/main/java/com/topjohnwu/magisk/extensions/XSU.kt

@@ -0,0 +1,14 @@
+package com.topjohnwu.magisk.extensions
+
+import com.topjohnwu.magisk.Info
+import com.topjohnwu.superuser.Shell
+import com.topjohnwu.superuser.io.SuFileInputStream
+import com.topjohnwu.superuser.io.SuFileOutputStream
+import java.io.File
+
+fun reboot(reason: String = if (Info.recovery) "recovery" else "") {
+    Shell.su("/system/bin/svc power reboot $reason || /system/bin/reboot $reason").submit()
+}
+
+fun File.suOutputStream() = SuFileOutputStream(this)
+fun File.suInputStream() = SuFileInputStream(this)

app/src/main/java/com/topjohnwu/magisk/extensions/XString.kt

@@ -0,0 +1,27 @@
+package com.topjohnwu.magisk.extensions
+
+import android.content.res.Resources
+
+val specialChars = arrayOf('!', '@', '#', '$', '%', '&', '?')
+
+fun String.replaceRandomWithSpecial(): String {
+    var random: Char
+    do {
+        random = random()
+    } while (random == '.')
+    return replace(random, specialChars.random())
+}
+
+fun StringBuilder.appendIf(condition: Boolean, builder: StringBuilder.() -> Unit) =
+    if (condition) apply(builder) else this
+
+fun Int.res(vararg args: Any): String {
+    val resources: Resources by inject()
+    return resources.getString(this, *args)
+}
+
+fun String.trimEmptyToNull(): String? = if (isBlank()) null else this
+
+fun String.legalFilename() = replace(" ", "_").replace("'", "").replace("\"", "")
+        .replace("$", "").replace("`", "").replace("*", "").replace("/", "_")
+        .replace("#", "").replace("@", "").replace("\\", "_")

app/src/main/java/com/topjohnwu/magisk/extensions/XTime.kt

@@ -0,0 +1,20 @@
+package com.topjohnwu.magisk.extensions
+
+import com.topjohnwu.magisk.utils.currentLocale
+import java.text.DateFormat
+import java.text.ParseException
+import java.text.SimpleDateFormat
+
+val now get() = System.currentTimeMillis()
+
+fun Long.toTime(format: DateFormat) = format.format(this).orEmpty()
+fun String.toTime(format: DateFormat) = try {
+    format.parse(this)?.time ?: -1
+} catch (e: ParseException) {
+    -1L
+}
+
+val timeFormatFull by lazy { SimpleDateFormat("yyyy/MM/dd_HH:mm:ss", currentLocale) }
+val timeFormatStandard by lazy { SimpleDateFormat("yyyy-MM-dd'T'HH:mm:ss'Z'", currentLocale) }
+val timeFormatMedium by lazy { DateFormat.getDateInstance(DateFormat.MEDIUM, currentLocale) }
+val timeFormatTime by lazy { SimpleDateFormat("h:mm a", currentLocale) }

app/src/main/java/com/topjohnwu/magisk/extensions/XView.kt

@@ -0,0 +1,14 @@
+package com.topjohnwu.magisk.extensions
+
+import android.view.View
+import android.view.ViewTreeObserver
+
+fun View.setOnViewReadyListener(callback: () -> Unit) = addOnGlobalLayoutListener(true, callback)
+
+fun View.addOnGlobalLayoutListener(oneShot: Boolean = false, callback: () -> Unit) =
+    viewTreeObserver.addOnGlobalLayoutListener(object : ViewTreeObserver.OnGlobalLayoutListener {
+        override fun onGlobalLayout() {
+            if (oneShot) viewTreeObserver.removeOnGlobalLayoutListener(this)
+            callback()
+        }
+    })

app/src/main/java/com/topjohnwu/magisk/model/binding/BindingAdapter.kt

@@ -0,0 +1,37 @@
+package com.topjohnwu.magisk.model.binding
+
+import androidx.databinding.ViewDataBinding
+import androidx.recyclerview.widget.RecyclerView
+import com.skoumal.teanity.databinding.ComparableRvItem
+import com.topjohnwu.magisk.model.entity.recycler.LenientRvItem
+import me.tatarka.bindingcollectionadapter2.BindingRecyclerViewAdapter
+
+class BindingAdapter : BindingRecyclerViewAdapter<ComparableRvItem<*>>() {
+
+    private var recyclerView: RecyclerView? = null
+
+    override fun onBindBinding(
+        binding: ViewDataBinding,
+        variableId: Int,
+        layoutRes: Int,
+        position: Int,
+        item: ComparableRvItem<*>
+    ) {
+        super.onBindBinding(binding, variableId, layoutRes, position, item)
+
+        when (item) {
+            is LenientRvItem -> {
+                val recycler = recyclerView ?: return
+                item.onBindingBound(binding)
+                item.onBindingBound(binding, recycler)
+            }
+            else -> item.onBindingBound(binding)
+        }
+    }
+
+    override fun onAttachedToRecyclerView(recyclerView: RecyclerView) {
+        super.onAttachedToRecyclerView(recyclerView)
+        this.recyclerView = recyclerView
+    }
+
+}

app/src/main/java/com/topjohnwu/magisk/model/download/DownloadModuleService.java

@@ -1,156 +0,0 @@
-package com.topjohnwu.magisk.model.download;
-
-import android.app.PendingIntent;
-import android.app.Service;
-import android.content.Intent;
-import android.net.Uri;
-import android.os.IBinder;
-
-import com.topjohnwu.magisk.App;
-import com.topjohnwu.magisk.ClassMap;
-import com.topjohnwu.magisk.Const;
-import com.topjohnwu.magisk.model.entity.Repo;
-import com.topjohnwu.magisk.ui.flash.FlashActivity;
-import com.topjohnwu.magisk.view.Notifications;
-import com.topjohnwu.magisk.view.ProgressNotification;
-import com.topjohnwu.net.Networking;
-import com.topjohnwu.superuser.Shell;
-import com.topjohnwu.superuser.ShellUtils;
-
-import java.io.BufferedOutputStream;
-import java.io.File;
-import java.io.FileOutputStream;
-import java.io.IOException;
-import java.io.InputStream;
-import java.io.OutputStream;
-import java.util.ArrayList;
-import java.util.List;
-import java.util.zip.ZipEntry;
-import java.util.zip.ZipInputStream;
-import java.util.zip.ZipOutputStream;
-
-import androidx.annotation.Nullable;
-
-public class DownloadModuleService extends Service {
-
-    private List<ProgressNotification> notifications;
-
-    @Nullable
-    @Override
-    public IBinder onBind(Intent intent) {
-        return null;
-    }
-
-    @Override
-    public void onCreate() {
-        notifications = new ArrayList<>();
-    }
-
-    @Override
-    public int onStartCommand(Intent intent, int flags, int startId) {
-        Shell.EXECUTOR.execute(() -> {
-            Repo repo = intent.getParcelableExtra("repo");
-            boolean install = intent.getBooleanExtra("install", false);
-            dlProcessInstall(repo, install);
-        });
-        return START_REDELIVER_INTENT;
-    }
-
-    @Override
-    public synchronized void onTaskRemoved(Intent rootIntent) {
-        for (ProgressNotification n : notifications) {
-            Notifications.mgr.cancel(n.hashCode());
-        }
-        notifications.clear();
-    }
-
-    private synchronized void addNotification(ProgressNotification n) {
-        if (notifications.isEmpty()) {
-            // Start foreground
-            startForeground(n.hashCode(), n.getNotification());
-        }
-        notifications.add(n);
-    }
-
-    private synchronized void removeNotification(ProgressNotification n) {
-        notifications.remove(n);
-        if (notifications.isEmpty()) {
-            // No more tasks, stop service
-            stopForeground(true);
-            stopSelf();
-        } else {
-            // Pick another notification as our foreground notification
-            n = notifications.get(0);
-            startForeground(n.hashCode(), n.getNotification());
-        }
-    }
-
-    private void dlProcessInstall(Repo repo, boolean install) {
-        File output = new File(Const.EXTERNAL_PATH, repo.getDownloadFilename());
-        ProgressNotification progress = new ProgressNotification(output.getName());
-        addNotification(progress);
-        try {
-            InputStream in = Networking.get(repo.getZipUrl())
-                    .setDownloadProgressListener(progress)
-                    .execForInputStream().getResult();
-            OutputStream out = new BufferedOutputStream(new FileOutputStream(output));
-            processZip(in, out);
-            Intent intent = new Intent(this, ClassMap.get(FlashActivity.class));
-            intent.setData(Uri.fromFile(output))
-                    .addFlags(Intent.FLAG_ACTIVITY_NEW_TASK)
-                    .putExtra(Const.Key.FLASH_ACTION, Const.Value.FLASH_ZIP);
-            synchronized (getApplication()) {
-                if (install && App.foreground() != null &&
-                        !(App.foreground() instanceof FlashActivity)) {
-                    /* Only start flashing if there is a foreground activity and the
-                     * user is not also flashing another module at the same time */
-                    App.foreground().startActivity(intent);
-                } else {
-                    /* Or else we preset a notification notifying that we are done */
-                    PendingIntent pi = PendingIntent.getActivity(this, progress.hashCode(), intent,
-                            PendingIntent.FLAG_UPDATE_CURRENT);
-                    progress.dlDone(pi);
-                }
-            }
-        } catch (Exception e) {
-            e.printStackTrace();
-            progress.dlFail();
-        }
-        removeNotification(progress);
-    }
-
-    private void processZip(InputStream in, OutputStream out)
-            throws IOException {
-        try (ZipInputStream zin = new ZipInputStream(in);
-             ZipOutputStream zout = new ZipOutputStream(out)) {
-
-            // Inject latest module-installer.sh as update-binary
-            zout.putNextEntry(new ZipEntry("META-INF/"));
-            zout.putNextEntry(new ZipEntry("META-INF/com/"));
-            zout.putNextEntry(new ZipEntry("META-INF/com/google/"));
-            zout.putNextEntry(new ZipEntry("META-INF/com/google/android/"));
-            zout.putNextEntry(new ZipEntry("META-INF/com/google/android/update-binary"));
-            try (InputStream update_bin = Networking.get(Const.Url.MODULE_INSTALLER)
-                    .execForInputStream().getResult()) {
-                ShellUtils.pump(update_bin, zout);
-            }
-            zout.putNextEntry(new ZipEntry("META-INF/com/google/android/updater-script"));
-            zout.write("#MAGISK\n".getBytes("UTF-8"));
-
-            int off = -1;
-            ZipEntry entry;
-            while ((entry = zin.getNextEntry()) != null) {
-                if (off < 0)
-                    off = entry.getName().indexOf('/') + 1;
-                String path = entry.getName().substring(off);
-                if (path.isEmpty())
-                    continue;
-                if (path.startsWith("META-INF"))
-                    continue;
-                zout.putNextEntry(new ZipEntry(path));
-                if (!entry.isDirectory())
-                    ShellUtils.pump(zin, zout);
-            }
-        }
-    }
-}

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

@@ -0,0 +1,142 @@
+package com.topjohnwu.magisk.model.download
+
+import android.annotation.SuppressLint
+import android.app.PendingIntent
+import android.content.Context
+import android.content.Intent
+import android.os.Build
+import android.webkit.MimeTypeMap
+import androidx.core.app.NotificationCompat
+import com.topjohnwu.magisk.ClassMap
+import com.topjohnwu.magisk.R
+import com.topjohnwu.magisk.extensions.chooser
+import com.topjohnwu.magisk.extensions.provide
+import com.topjohnwu.magisk.model.entity.internal.Configuration.*
+import com.topjohnwu.magisk.model.entity.internal.Configuration.Flash.Secondary
+import com.topjohnwu.magisk.model.entity.internal.DownloadSubject
+import com.topjohnwu.magisk.model.entity.internal.DownloadSubject.*
+import com.topjohnwu.magisk.ui.flash.FlashActivity
+import com.topjohnwu.magisk.utils.APKInstall
+import java.io.File
+import kotlin.random.Random.Default.nextInt
+
+/* More of a facade for [RemoteFileService], but whatever... */
+@SuppressLint("Registered")
+open class DownloadService : RemoteFileService() {
+
+    private val context get() = this
+    private val File.type
+        get() = MimeTypeMap.getSingleton()
+            .getMimeTypeFromExtension(extension)
+            ?: "resource/folder"
+
+    override fun onFinished(subject: DownloadSubject, id: Int) = when (subject) {
+        is Magisk -> onFinishedInternal(subject, id)
+        is Module -> onFinishedInternal(subject, id)
+        is Manager -> onFinishedInternal(subject, id)
+    }
+
+    private fun onFinishedInternal(
+        subject: Magisk,
+        id: Int
+    ) = when (val conf = subject.configuration) {
+        Uninstall -> FlashActivity.uninstall(this, subject.file, id)
+        is Patch -> FlashActivity.patch(this, subject.file, conf.fileUri, id)
+        is Flash -> FlashActivity.flash(this, subject.file, conf is Secondary, id)
+        else -> Unit
+    }
+
+    private fun onFinishedInternal(
+        subject: Module,
+        id: Int
+    ) = when (subject.configuration) {
+        is Flash -> FlashActivity.install(this, subject.file, id)
+        else -> Unit
+    }
+
+    private fun onFinishedInternal(
+        subject: Manager,
+        id: Int
+    ) {
+        remove(id)
+        when (subject.configuration)  {
+            is APK.Upgrade -> APKInstall.install(this, subject.file)
+            else -> Unit
+        }
+    }
+
+    // ---
+
+    override fun NotificationCompat.Builder.addActions(subject: DownloadSubject)
+    = when (subject) {
+        is Magisk -> addActionsInternal(subject)
+        is Module -> addActionsInternal(subject)
+        is Manager -> addActionsInternal(subject)
+    }
+
+    private fun NotificationCompat.Builder.addActionsInternal(subject: Magisk)
+    = when (val conf = subject.configuration) {
+        Download -> addAction(0, R.string.download_open_parent, fileIntent(subject.file.parentFile!!))
+            .addAction(0, R.string.download_open_self, fileIntent(subject.file))
+        Uninstall -> setContentIntent(FlashActivity.uninstallIntent(context, subject.file))
+        is Flash -> setContentIntent(FlashActivity.flashIntent(context, subject.file, conf is Secondary))
+        is Patch -> setContentIntent(FlashActivity.patchIntent(context, subject.file, conf.fileUri))
+        else -> this
+    }
+
+    private fun NotificationCompat.Builder.addActionsInternal(subject: Module)
+    = when (subject.configuration) {
+        Download -> addAction(0, R.string.download_open_parent, fileIntent(subject.file.parentFile!!))
+            .addAction(0, R.string.download_open_self, fileIntent(subject.file))
+        is Flash -> setContentIntent(FlashActivity.installIntent(context, subject.file))
+        else -> this
+    }
+
+    private fun NotificationCompat.Builder.addActionsInternal(subject: Manager)
+    = when (subject.configuration) {
+        APK.Upgrade -> setContentIntent(APKInstall.installIntent(context, subject.file))
+        else -> this
+    }
+
+    @Suppress("ReplaceSingleLineLet")
+    private fun NotificationCompat.Builder.setContentIntent(intent: Intent) =
+        PendingIntent.getActivity(context, nextInt(), intent, PendingIntent.FLAG_ONE_SHOT)
+            .let { setContentIntent(it) }
+
+    @Suppress("ReplaceSingleLineLet")
+    private fun NotificationCompat.Builder.addAction(icon: Int, title: Int, intent: Intent) =
+        PendingIntent.getActivity(context, nextInt(), intent, PendingIntent.FLAG_ONE_SHOT)
+            .let { addAction(icon, getString(title), it) }
+
+    // ---
+
+    private fun fileIntent(file: File): Intent {
+        return Intent(Intent.ACTION_VIEW)
+            .setDataAndType(file.provide(this), file.type)
+            .addFlags(Intent.FLAG_ACTIVITY_NEW_TASK)
+            .addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION)
+            .chooser()
+    }
+
+    class Builder {
+        lateinit var subject: DownloadSubject
+    }
+
+    companion object {
+
+        inline operator fun invoke(context: Context, argBuilder: Builder.() -> Unit) {
+            val app = context.applicationContext
+            val builder = Builder().apply(argBuilder)
+            val intent = Intent(app, ClassMap[DownloadService::class.java])
+                .putExtra(ARG_URL, builder.subject)
+
+            if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.O) {
+                app.startForegroundService(intent)
+            } else {
+                app.startService(intent)
+            }
+        }
+
+    }
+
+}

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

@@ -0,0 +1,65 @@
+package com.topjohnwu.magisk.model.download
+
+import android.content.ComponentName
+import com.topjohnwu.magisk.BuildConfig
+import com.topjohnwu.magisk.ClassMap
+import com.topjohnwu.magisk.Config
+import com.topjohnwu.magisk.R
+import com.topjohnwu.magisk.model.entity.internal.Configuration.APK.Restore
+import com.topjohnwu.magisk.model.entity.internal.Configuration.APK.Upgrade
+import com.topjohnwu.magisk.model.entity.internal.DownloadSubject
+import com.topjohnwu.magisk.ui.SplashActivity
+import com.topjohnwu.magisk.utils.DynamicClassLoader
+import com.topjohnwu.magisk.utils.PatchAPK
+import com.topjohnwu.magisk.utils.RootUtils
+import com.topjohnwu.superuser.Shell
+import timber.log.Timber
+import java.io.File
+
+private fun RemoteFileService.patchPackage(apk: File, id: Int) {
+    if (packageName != BuildConfig.APPLICATION_ID) {
+        update(id) { notification ->
+            notification.setProgress(0, 0, true)
+                    .setProgress(0, 0, true)
+                    .setContentTitle(getString(R.string.hide_manager_title))
+                    .setContentText("")
+        }
+        val patched = File(apk.parent, "patched.apk")
+        try {
+            // Try using the new APK to patch itself
+            val loader = DynamicClassLoader(apk)
+            loader.loadClass("a.a")
+                    .getMethod("patchAPK", String::class.java, String::class.java, String::class.java)
+                    .invoke(null, apk.path, patched.path, packageName)
+        } catch (e: Exception) {
+            Timber.e(e)
+            // Fallback to use the current implementation
+            PatchAPK.patch(apk.path, patched.path, packageName)
+        }
+        apk.delete()
+        patched.renameTo(apk)
+    }
+}
+
+private fun RemoteFileService.restore(apk: File, id: Int) {
+    update(id) { notification ->
+        notification.setProgress(0, 0, true)
+                .setProgress(0, 0, true)
+                .setContentTitle(getString(R.string.restore_img_msg))
+                .setContentText("")
+    }
+    Config.export()
+    // Make it world readable
+    apk.setReadable(true, false)
+    if (Shell.su("pm install $apk").exec().isSuccess) {
+        val component = ComponentName(BuildConfig.APPLICATION_ID,
+                ClassMap.get<Class<*>>(SplashActivity::class.java).name)
+        RootUtils.rmAndLaunch(packageName, component)
+    }
+}
+
+fun RemoteFileService.handleAPK(subject: DownloadSubject.Manager)
+    = when (subject.configuration) {
+        is Upgrade -> patchPackage(subject.file, subject.hashCode())
+        is Restore -> restore(subject.file, subject.hashCode())
+    }

app/src/main/java/com/topjohnwu/magisk/model/download/ModuleProcessor.kt

@@ -0,0 +1,44 @@
+package com.topjohnwu.magisk.model.download
+
+import com.topjohnwu.magisk.extensions.withStreams
+import java.io.File
+import java.io.InputStream
+import java.util.zip.ZipEntry
+import java.util.zip.ZipInputStream
+import java.util.zip.ZipOutputStream
+
+fun InputStream.toModule(file: File, installer: InputStream) {
+
+    val input = ZipInputStream(buffered())
+    val output = ZipOutputStream(file.outputStream().buffered())
+
+    withStreams(input, output) { zin, zout ->
+        zout.putNextEntry(ZipEntry("META-INF/"))
+        zout.putNextEntry(ZipEntry("META-INF/com/"))
+        zout.putNextEntry(ZipEntry("META-INF/com/google/"))
+        zout.putNextEntry(ZipEntry("META-INF/com/google/android/"))
+        zout.putNextEntry(ZipEntry("META-INF/com/google/android/update-binary"))
+        installer.copyTo(zout)
+
+        zout.putNextEntry(ZipEntry("META-INF/com/google/android/updater-script"))
+        zout.write("#MAGISK\n".toByteArray(charset("UTF-8")))
+
+        var off = -1
+        var entry: ZipEntry? = zin.nextEntry
+        while (entry != null) {
+            if (off < 0) {
+                off = entry.name.indexOf('/') + 1
+            }
+
+            val path = entry.name.substring(off)
+            if (path.isNotEmpty() && !path.startsWith("META-INF")) {
+                zout.putNextEntry(ZipEntry(path))
+                if (!entry.isDirectory) {
+                    zin.copyTo(zout)
+                }
+            }
+
+            entry = zin.nextEntry
+        }
+    }
+}

app/src/main/java/com/topjohnwu/magisk/model/download/NotificationService.kt

@@ -0,0 +1,86 @@
+package com.topjohnwu.magisk.model.download
+
+import android.app.Notification
+import android.app.Service
+import android.content.Intent
+import android.os.IBinder
+import androidx.core.app.NotificationCompat
+import androidx.core.app.NotificationManagerCompat
+import java.util.*
+import kotlin.random.Random.Default.nextInt
+
+abstract class NotificationService : Service() {
+
+    abstract val defaultNotification: NotificationCompat.Builder
+
+    private val manager by lazy { NotificationManagerCompat.from(this) }
+    private val hasNotifications get() = notifications.isNotEmpty()
+
+    private val notifications =
+        Collections.synchronizedMap(mutableMapOf<Int, NotificationCompat.Builder>())
+
+    override fun onTaskRemoved(rootIntent: Intent?) {
+        super.onTaskRemoved(rootIntent)
+        notifications.forEach { cancel(it.key) }
+        notifications.clear()
+    }
+
+    // --
+
+    fun update(
+        id: Int,
+        body: (NotificationCompat.Builder) -> Unit = {}
+    ) {
+        val notification = notifications.getOrPut(id) { defaultNotification }
+
+        notify(id, notification.also(body).build())
+
+        if (notifications.size == 1) {
+            updateForeground()
+        }
+    }
+
+    protected fun finishNotify(
+        id: Int,
+        editBody: (NotificationCompat.Builder) -> NotificationCompat.Builder? = { null }
+    ) : Int {
+        val currentNotification = remove(id)?.run(editBody)
+
+        var newId = -1
+        currentNotification?.let {
+            newId = nextInt(Int.MAX_VALUE)
+            notify(newId, it.build())
+        }
+
+        if (!hasNotifications) {
+            stopSelf()
+        }
+        return newId
+    }
+
+    // ---
+
+    private fun notify(id: Int, notification: Notification) {
+        manager.notify(id, notification)
+    }
+
+    private fun cancel(id: Int) {
+        manager.cancel(id)
+    }
+
+    protected fun remove(id: Int) = notifications.remove(id).also {
+        cancel(id)
+        updateForeground()
+    }
+
+    private fun updateForeground() {
+        if (hasNotifications)
+            startForeground(notifications.keys.first(), notifications.values.first().build())
+        else
+            stopForeground(true)
+    }
+
+    // --
+
+    override fun onBind(p0: Intent?): IBinder? = null
+}

app/src/main/java/com/topjohnwu/magisk/model/download/RemoteFileService.kt

@@ -0,0 +1,118 @@
+package com.topjohnwu.magisk.model.download
+
+import android.app.Activity
+import android.content.Intent
+import androidx.core.app.NotificationCompat
+import com.skoumal.teanity.extensions.subscribeK
+import com.topjohnwu.magisk.R
+import com.topjohnwu.magisk.data.network.GithubRawServices
+import com.topjohnwu.magisk.di.NullActivity
+import com.topjohnwu.magisk.extensions.get
+import com.topjohnwu.magisk.extensions.writeTo
+import com.topjohnwu.magisk.model.entity.internal.DownloadSubject
+import com.topjohnwu.magisk.model.entity.internal.DownloadSubject.*
+import com.topjohnwu.magisk.utils.ProgressInputStream
+import com.topjohnwu.magisk.view.Notifications
+import com.topjohnwu.superuser.ShellUtils
+import io.reactivex.Completable
+import okhttp3.ResponseBody
+import org.koin.android.ext.android.inject
+import timber.log.Timber
+import java.io.InputStream
+
+abstract class RemoteFileService : NotificationService() {
+
+    private val service: GithubRawServices by inject()
+
+    override val defaultNotification: NotificationCompat.Builder
+        get() = Notifications.progress(this, "")
+
+    override fun onStartCommand(intent: Intent?, flags: Int, startId: Int): Int {
+        intent?.getParcelableExtra<DownloadSubject>(ARG_URL)?.let { start(it) }
+        return START_REDELIVER_INTENT
+    }
+
+    // ---
+
+    private fun start(subject: DownloadSubject) = checkExisting(subject)
+        .onErrorResumeNext { download(subject) }
+        .doOnSubscribe { update(subject.hashCode()) { it.setContentTitle(subject.title) } }
+        .subscribeK(onError = {
+            Timber.e(it)
+            finishNotify(subject.hashCode()) { notification ->
+                notification.setContentText(getString(R.string.download_file_error))
+                        .setSmallIcon(android.R.drawable.stat_notify_error)
+                        .setOngoing(false)
+            }
+        }) {
+            val newId = finishNotify(subject)
+            if (get<Activity>() !is NullActivity) {
+                onFinished(subject, newId)
+            }
+        }
+
+    private fun checkExisting(subject: DownloadSubject) = Completable.fromAction {
+        check(subject is Magisk) { "Download cache is disabled" }
+
+        subject.file.also {
+            check(it.exists() && ShellUtils.checkSum("MD5", it, subject.magisk.md5)) {
+                "The given file does not match checksum"
+            }
+        }
+    }
+
+    private fun download(subject: DownloadSubject) = service.fetchFile(subject.url)
+        .map { it.toStream(subject.hashCode()) }
+        .flatMapCompletable { stream ->
+            when (subject) {
+                is Module -> service.fetchInstaller()
+                        .doOnSuccess { stream.toModule(subject.file, it.byteStream()) }
+                        .ignoreElement()
+                else -> Completable.fromAction { stream.writeTo(subject.file) }
+            }
+        }.doOnComplete {
+            if (subject is Manager)
+                handleAPK(subject)
+        }
+
+    private fun ResponseBody.toStream(id: Int): InputStream {
+        val maxRaw = contentLength()
+        val max = maxRaw / 1_000_000f
+
+        return ProgressInputStream(byteStream()) {
+            val progress = it / 1_000_000f
+            update(id) { notification ->
+                if (maxRaw > 0) {
+                    notification
+                            .setProgress(maxRaw.toInt(), it.toInt(), false)
+                            .setContentText("%.2f / %.2f MB".format(progress, max))
+                } else {
+                    notification.setContentText("%.2f MB / ??".format(progress))
+                }
+            }
+        }
+    }
+
+    private fun finishNotify(subject: DownloadSubject) = finishNotify(subject.hashCode()) {
+        it.addActions(subject)
+            .setContentText(getString(R.string.download_complete))
+            .setSmallIcon(android.R.drawable.stat_sys_download_done)
+            .setProgress(0, 0, false)
+            .setOngoing(false)
+            .setAutoCancel(true)
+    }
+
+    // ---
+
+
+    @Throws(Throwable::class)
+    protected abstract fun onFinished(subject: DownloadSubject, id: Int)
+
+    protected abstract fun NotificationCompat.Builder.addActions(subject: DownloadSubject)
+            : NotificationCompat.Builder
+
+    companion object {
+        const val ARG_URL = "arg_url"
+    }
+
+}

app/src/main/java/com/topjohnwu/magisk/model/entity/BaseModule.java

@@ -1,144 +0,0 @@
-package com.topjohnwu.magisk.model.entity;
-
-import android.content.ContentValues;
-import android.database.Cursor;
-import android.os.Parcel;
-import android.os.Parcelable;
-
-import java.util.List;
-
-import androidx.annotation.NonNull;
-
-public abstract class BaseModule implements Comparable<BaseModule>, Parcelable {
-
-    private String mId, mName, mVersion, mAuthor, mDescription;
-    private int mVersionCode = -1;
-
-    protected BaseModule() {
-        mId = mName = mVersion = mAuthor = mDescription = "";
-    }
-
-    protected BaseModule(Cursor c) {
-        mId = nonNull(c.getString(c.getColumnIndex("id")));
-        mName = nonNull(c.getString(c.getColumnIndex("name")));
-        mVersion = nonNull(c.getString(c.getColumnIndex("version")));
-        mVersionCode = c.getInt(c.getColumnIndex("versionCode"));
-        mAuthor = nonNull(c.getString(c.getColumnIndex("author")));
-        mDescription = nonNull(c.getString(c.getColumnIndex("description")));
-    }
-
-    protected BaseModule(Parcel p) {
-        mId = p.readString();
-        mName = p.readString();
-        mVersion = p.readString();
-        mAuthor = p.readString();
-        mDescription = p.readString();
-        mVersionCode = p.readInt();
-    }
-
-    @Override
-    public int compareTo(@NonNull BaseModule module) {
-        return this.getName().toLowerCase().compareTo(module.getName().toLowerCase());
-    }
-
-    @Override
-    public int describeContents() {
-        return 0;
-    }
-
-    @Override
-    public void writeToParcel(Parcel dest, int flags) {
-        dest.writeString(mId);
-        dest.writeString(mName);
-        dest.writeString(mVersion);
-        dest.writeString(mAuthor);
-        dest.writeString(mDescription);
-        dest.writeInt(mVersionCode);
-    }
-
-    private String nonNull(String s) {
-        return s == null ? "" : s;
-    }
-
-    public ContentValues getContentValues() {
-        ContentValues values = new ContentValues();
-        values.put("id", mId);
-        values.put("name", mName);
-        values.put("version", mVersion);
-        values.put("versionCode", mVersionCode);
-        values.put("author", mAuthor);
-        values.put("description", mDescription);
-        return values;
-    }
-
-    protected void parseProps(List<String> props) { parseProps(props.toArray(new String[0])); }
-
-    protected void parseProps(String[] props) throws NumberFormatException {
-        for (String line : props) {
-            String[] prop = line.split("=", 2);
-            if (prop.length != 2)
-                continue;
-
-            String key = prop[0].trim();
-            String value = prop[1].trim();
-            if (key.isEmpty() || key.charAt(0) == '#')
-                continue;
-
-            switch (key) {
-                case "id":
-                    mId = value;
-                    break;
-                case "name":
-                    mName = value;
-                    break;
-                case "version":
-                    mVersion = value;
-                    break;
-                case "versionCode":
-                    mVersionCode = Integer.parseInt(value);
-                    break;
-                case "author":
-                    mAuthor = value;
-                    break;
-                case "description":
-                    mDescription = value;
-                    break;
-                default:
-                    break;
-            }
-        }
-    }
-
-    public String getName() {
-        return mName;
-    }
-
-    public void setName(String name) {
-        mName = name;
-    }
-
-    public String getVersion() {
-        return mVersion;
-    }
-
-    public String getAuthor() {
-        return mAuthor;
-    }
-
-    public String getId() {
-        return mId;
-    }
-
-    public void setId(String id) {
-        mId = id;
-    }
-
-    public String getDescription() {
-        return mDescription;
-    }
-
-    public int getVersionCode() {
-        return mVersionCode;
-    }
-
-}

app/src/main/java/com/topjohnwu/magisk/model/entity/HideAppInfo.kt

@@ -2,8 +2,8 @@ package com.topjohnwu.magisk.model.entity
 
 import android.content.pm.ApplicationInfo
 import android.graphics.drawable.Drawable
-import com.topjohnwu.magisk.utils.packageInfo
-import com.topjohnwu.magisk.utils.processes
+import com.topjohnwu.magisk.extensions.packageInfo
+import com.topjohnwu.magisk.extensions.processes
 
 class HideAppInfo(
     val info: ApplicationInfo,

app/src/main/java/com/topjohnwu/magisk/model/entity/MagiskLog.kt

@@ -0,0 +1,57 @@
+package com.topjohnwu.magisk.model.entity
+
+import com.topjohnwu.magisk.extensions.timeFormatTime
+import com.topjohnwu.magisk.extensions.toTime
+import com.topjohnwu.magisk.model.entity.MagiskPolicy.Companion.ALLOW
+import java.util.*
+
+data class MagiskLog(
+    val fromUid: Int,
+    val toUid: Int,
+    val fromPid: Int,
+    val packageName: String,
+    val appName: String,
+    val command: String,
+    val action: Boolean,
+    val date: Date
+) {
+    val timeString = date.time.toTime(timeFormatTime)
+}
+
+data class WrappedMagiskLog(
+    val time: Long,
+    val items: List<MagiskLog>
+)
+
+fun Map<String, String>.toLog(): MagiskLog {
+    return MagiskLog(
+        fromUid = get("from_uid")?.toIntOrNull() ?: -1,
+        toUid = get("to_uid")?.toIntOrNull() ?: -1,
+        fromPid = get("from_pid")?.toIntOrNull() ?: -1,
+        packageName = get("package_name").orEmpty(),
+        appName = get("app_name").orEmpty(),
+        command = get("command").orEmpty(),
+        action = get("action")?.toIntOrNull() != 0,
+        date = get("time")?.toLongOrNull()?.toDate() ?: Date()
+    )
+}
+
+fun Long.toDate() = Date(this)
+
+fun MagiskLog.toMap() = mapOf(
+    "from_uid" to fromUid,
+    "to_uid" to toUid,
+    "from_pid" to fromPid,
+    "package_name" to packageName,
+    "app_name" to appName,
+    "command" to command,
+    "action" to action,
+    "time" to date.time
+)
+
+fun MagiskPolicy.toLog(
+    toUid: Int,
+    fromPid: Int,
+    command: String,
+    date: Date
+) = MagiskLog(uid, toUid, fromPid, packageName, appName, command, policy == ALLOW, date)

app/src/main/java/com/topjohnwu/magisk/model/entity/MagiskPolicy.kt

@@ -0,0 +1,69 @@
+package com.topjohnwu.magisk.model.entity
+
+import android.content.pm.ApplicationInfo
+import android.content.pm.PackageManager
+import com.topjohnwu.magisk.extensions.getLabel
+import com.topjohnwu.magisk.model.entity.MagiskPolicy.Companion.INTERACTIVE
+
+
+data class MagiskPolicy(
+    val uid: Int,
+    val packageName: String,
+    val appName: String,
+    val policy: Int = INTERACTIVE,
+    val until: Long = -1L,
+    val logging: Boolean = true,
+    val notification: Boolean = true,
+    val applicationInfo: ApplicationInfo
+) {
+
+    companion object {
+        const val INTERACTIVE = 0
+        const val DENY = 1
+        const val ALLOW = 2
+    }
+
+}
+
+fun MagiskPolicy.toMap() = mapOf(
+    "uid" to uid,
+    "package_name" to packageName,
+    "policy" to policy,
+    "until" to until,
+    "logging" to logging,
+    "notification" to notification
+)
+
+@Throws(PackageManager.NameNotFoundException::class)
+fun Map<String, String>.toPolicy(pm: PackageManager): MagiskPolicy {
+    val uid = get("uid")?.toIntOrNull() ?: -1
+    val packageName = get("package_name").orEmpty()
+    val info = pm.getApplicationInfo(packageName, 0)
+
+    if (info.uid != uid)
+        throw PackageManager.NameNotFoundException()
+
+    return MagiskPolicy(
+        uid = uid,
+        packageName = packageName,
+        policy = get("policy")?.toIntOrNull() ?: INTERACTIVE,
+        until = get("until")?.toLongOrNull() ?: -1L,
+        logging = get("logging")?.toIntOrNull() != 0,
+        notification = get("notification")?.toIntOrNull() != 0,
+        applicationInfo = info,
+        appName = info.getLabel(pm)
+    )
+}
+
+@Throws(PackageManager.NameNotFoundException::class)
+fun Int.toPolicy(pm: PackageManager): MagiskPolicy {
+    val pkg = pm.getPackagesForUid(this)?.firstOrNull()
+        ?: throw PackageManager.NameNotFoundException()
+    val info = pm.getApplicationInfo(pkg, 0)
+    return MagiskPolicy(
+        uid = this,
+        packageName = pkg,
+        applicationInfo = info,
+        appName = info.loadLabel(pm).toString()
+    )
+}

app/src/main/java/com/topjohnwu/magisk/model/entity/Module.java

@@ -1,79 +0,0 @@
-package com.topjohnwu.magisk.model.entity;
-
-import android.os.Parcel;
-import android.os.Parcelable;
-
-import com.topjohnwu.superuser.Shell;
-import com.topjohnwu.superuser.io.SuFile;
-
-public class Module extends BaseModule {
-
-    private SuFile mRemoveFile, mDisableFile, mUpdateFile;
-    private boolean mEnable, mRemove, mUpdated;
-
-    public Module(String path) {
-
-        try {
-            parseProps(Shell.su("dos2unix <  " + path + "/module.prop").exec().getOut());
-        } catch (NumberFormatException ignored) {}
-
-        mRemoveFile = new SuFile(path, "remove");
-        mDisableFile = new SuFile(path, "disable");
-        mUpdateFile = new SuFile(path, "update");
-
-        if (getId().isEmpty()) {
-            int sep = path.lastIndexOf('/');
-            setId(path.substring(sep + 1));
-        }
-
-        if (getName().isEmpty()) {
-            setName(getId());
-        }
-
-        mEnable = !mDisableFile.exists();
-        mRemove = mRemoveFile.exists();
-        mUpdated = mUpdateFile.exists();
-    }
-
-    public static final Parcelable.Creator<Module> CREATOR = new Creator<Module>() {
-        /* It won't be used at any place */
-        @Override
-        public Module createFromParcel(Parcel source) {
-            return null;
-        }
-
-        @Override
-        public Module[] newArray(int size) {
-            return null;
-        }
-    };
-
-    public void createDisableFile() {
-        mEnable = !mDisableFile.createNewFile();
-    }
-
-    public void removeDisableFile() {
-        mEnable = mDisableFile.delete();
-    }
-
-    public boolean isEnabled() {
-        return mEnable;
-    }
-
-    public void createRemoveFile() {
-        mRemove = mRemoveFile.createNewFile();
-    }
-
-    public void deleteRemoveFile() {
-        mRemove = !mRemoveFile.delete();
-    }
-
-    public boolean willBeRemoved() {
-        return mRemove;
-    }
-
-    public boolean isUpdated() {
-        return mUpdated;
-    }
-
-}

app/src/main/java/com/topjohnwu/magisk/model/entity/Policy.java

@@ -1,61 +0,0 @@
-package com.topjohnwu.magisk.model.entity;
-
-import android.content.ContentValues;
-import android.content.pm.ApplicationInfo;
-import android.content.pm.PackageManager;
-
-import com.topjohnwu.magisk.utils.Utils;
-
-import androidx.annotation.NonNull;
-
-
-public class Policy implements Comparable<Policy>{
-    public static final int INTERACTIVE = 0;
-    public static final int DENY = 1;
-    public static final int ALLOW = 2;
-
-    public int uid, policy = INTERACTIVE;
-    public long until;
-    public boolean logging = true, notification = true;
-    public String packageName, appName;
-    public ApplicationInfo info;
-
-    public Policy(int uid, PackageManager pm) throws PackageManager.NameNotFoundException {
-        String[] pkgs = pm.getPackagesForUid(uid);
-        if (pkgs == null || pkgs.length == 0)
-            throw new PackageManager.NameNotFoundException();
-        this.uid = uid;
-        packageName = pkgs[0];
-        info = pm.getApplicationInfo(packageName, 0);
-        appName = Utils.getAppLabel(info, pm);
-    }
-
-    public Policy(ContentValues values, PackageManager pm) throws PackageManager.NameNotFoundException {
-        uid = values.getAsInteger("uid");
-        packageName = values.getAsString("package_name");
-        policy = values.getAsInteger("policy");
-        until = values.getAsInteger("until");
-        logging = values.getAsInteger("logging") != 0;
-        notification = values.getAsInteger("notification") != 0;
-        info = pm.getApplicationInfo(packageName, 0);
-        if (info.uid != uid)
-            throw new PackageManager.NameNotFoundException();
-        appName = info.loadLabel(pm).toString();
-    }
-
-    public ContentValues getContentValues() {
-        ContentValues values = new ContentValues();
-        values.put("uid", uid);
-        values.put("package_name", packageName);
-        values.put("policy", policy);
-        values.put("until", until);
-        values.put("logging", logging ? 1 : 0);
-        values.put("notification", notification ? 1 : 0);
-        return values;
-    }
-
-    @Override
-    public int compareTo(@NonNull Policy policy) {
-        return appName.toLowerCase().compareTo(policy.appName.toLowerCase());
-    }
-}

app/src/main/java/com/topjohnwu/magisk/model/entity/Repo.java

@@ -1,109 +0,0 @@
-package com.topjohnwu.magisk.model.entity;
-
-import android.content.ContentValues;
-import android.database.Cursor;
-import android.os.Parcel;
-import android.os.Parcelable;
-
-import com.topjohnwu.magisk.Const;
-import com.topjohnwu.magisk.utils.Utils;
-
-import java.text.DateFormat;
-import java.util.Date;
-
-public class Repo extends BaseModule {
-
-    private Date mLastUpdate;
-
-    public Repo(String id) {
-        setId(id);
-    }
-
-    public Repo(Cursor c) {
-        super(c);
-        mLastUpdate = new Date(c.getLong(c.getColumnIndex("last_update")));
-    }
-
-    public Repo(Parcel p) {
-        super(p);
-        mLastUpdate = new Date(p.readLong());
-    }
-
-    public static final Parcelable.Creator<Repo> CREATOR = new Parcelable.Creator<Repo>() {
-
-        @Override
-        public Repo createFromParcel(Parcel source) {
-            return new Repo(source);
-        }
-
-        @Override
-        public Repo[] newArray(int size) {
-            return new Repo[size];
-        }
-    };
-
-    @Override
-    public void writeToParcel(Parcel dest, int flags) {
-        super.writeToParcel(dest, flags);
-        dest.writeLong(mLastUpdate.getTime());
-    }
-
-    public void update() throws IllegalRepoException {
-        String props[] = Utils.dlString(getPropUrl()).split("\\n");
-        try {
-            parseProps(props);
-        } catch (NumberFormatException e) {
-            throw new IllegalRepoException("Repo [" + getId() + "] parse error: " + e.getMessage());
-        }
-
-        if (getVersionCode() < 0) {
-            throw new IllegalRepoException("Repo [" + getId() + "] does not contain versionCode");
-        }
-    }
-
-    public void update(Date lastUpdate) throws IllegalRepoException {
-        mLastUpdate = lastUpdate;
-        update();
-    }
-
-    @Override
-    public ContentValues getContentValues() {
-        ContentValues values = super.getContentValues();
-        values.put("last_update", mLastUpdate.getTime());
-        return values;
-    }
-
-    public String getZipUrl() {
-        return String.format(Const.Url.ZIP_URL, getId());
-    }
-
-    public String getPropUrl() {
-        return getFileUrl("module.prop");
-    }
-
-    public String getDetailUrl() {
-        return getFileUrl("README.md");
-    }
-
-    public String getFileUrl(String file) {
-        return String.format(Const.Url.FILE_URL, getId(), file);
-    }
-
-    public String getLastUpdateString() {
-        return DateFormat.getDateTimeInstance(DateFormat.MEDIUM, DateFormat.MEDIUM).format(mLastUpdate);
-    }
-
-    public Date getLastUpdate() {
-        return mLastUpdate;
-    }
-
-    public String getDownloadFilename() {
-        return Utils.getLegalFilename(getName() + "-" + getVersion() + ".zip");
-    }
-
-    public class IllegalRepoException extends Exception {
-        IllegalRepoException(String message) {
-            super(message);
-        }
-    }
-}

app/src/main/java/com/topjohnwu/magisk/model/entity/SuLogEntry.java

@@ -1,56 +0,0 @@
-package com.topjohnwu.magisk.model.entity;
-
-import android.content.ContentValues;
-
-import com.topjohnwu.magisk.utils.LocaleManager;
-
-import java.text.DateFormat;
-import java.text.SimpleDateFormat;
-import java.util.Date;
-
-public class SuLogEntry {
-
-    public int fromUid, toUid, fromPid;
-    public String packageName, appName, command;
-    public boolean action;
-    public Date date;
-
-    public SuLogEntry(Policy policy) {
-        fromUid = policy.uid;
-        packageName = policy.packageName;
-        appName = policy.appName;
-        action = policy.policy == Policy.ALLOW;
-    }
-
-    public SuLogEntry(ContentValues values) {
-        fromUid = values.getAsInteger("from_uid");
-        packageName = values.getAsString("package_name");
-        appName = values.getAsString("app_name");
-        fromPid = values.getAsInteger("from_pid");
-        command = values.getAsString("command");
-        toUid = values.getAsInteger("to_uid");
-        action = values.getAsInteger("action") != 0;
-        date = new Date(values.getAsLong("time"));
-    }
-
-    public ContentValues getContentValues() {
-        ContentValues values = new ContentValues();
-        values.put("from_uid", fromUid);
-        values.put("package_name", packageName);
-        values.put("app_name", appName);
-        values.put("from_pid", fromPid);
-        values.put("command", command);
-        values.put("to_uid", toUid);
-        values.put("action", action ? 1 : 0);
-        values.put("time", date.getTime());
-        return values;
-    }
-
-    public String getDateString() {
-        return DateFormat.getDateInstance(DateFormat.MEDIUM, LocaleManager.locale).format(date);
-    }
-
-    public String getTimeString() {
-        return new SimpleDateFormat("h:mm a", LocaleManager.locale).format(date);
-    }
-}

app/src/main/java/com/topjohnwu/magisk/model/entity/UpdateInfo.kt

@@ -0,0 +1,35 @@
+package com.topjohnwu.magisk.model.entity
+
+import android.os.Parcelable
+import kotlinx.android.parcel.Parcelize
+import se.ansman.kotshi.JsonSerializable
+
+@JsonSerializable
+data class UpdateInfo(
+    val app: ManagerJson = ManagerJson(),
+    val uninstaller: UninstallerJson = UninstallerJson(),
+    val magisk: MagiskJson = MagiskJson()
+)
+
+@JsonSerializable
+data class UninstallerJson(
+    val link: String = ""
+)
+
+@JsonSerializable
+data class MagiskJson(
+    val version: String = "",
+    val versionCode: Int = -1,
+    val link: String = "",
+    val note: String = "",
+    val md5: String = ""
+)
+
+@Parcelize
+@JsonSerializable
+data class ManagerJson(
+    val version: String = "",
+    val versionCode: Int = -1,
+    val link: String = "",
+    val note: String = ""
+) : Parcelable

app/src/main/java/com/topjohnwu/magisk/model/entity/Version.kt

@@ -0,0 +1,3 @@
+package com.topjohnwu.magisk.model.entity
+
+data class Version(val version: String, val versionCode: Int)

app/src/main/java/com/topjohnwu/magisk/model/entity/internal/Configuration.kt

@@ -0,0 +1,37 @@
+package com.topjohnwu.magisk.model.entity.internal
+
+import android.net.Uri
+import android.os.Parcelable
+import kotlinx.android.parcel.Parcelize
+
+sealed class Configuration : Parcelable {
+
+    sealed class Flash : Configuration() {
+
+        @Parcelize
+        object Primary : Flash()
+
+        @Parcelize
+        object Secondary : Flash()
+
+    }
+
+    sealed class APK : Configuration() {
+
+        @Parcelize
+        object Upgrade : APK()
+
+        @Parcelize
+        object Restore : APK()
+    }
+
+    @Parcelize
+    object Download : Configuration()
+
+    @Parcelize
+    object Uninstall : Configuration()
+
+    @Parcelize
+    data class Patch(val fileUri: Uri) : Configuration()
+
+}

app/src/main/java/com/topjohnwu/magisk/model/entity/internal/DownloadSubject.kt

@@ -0,0 +1,106 @@
+package com.topjohnwu.magisk.model.entity.internal
+
+import android.content.Context
+import android.os.Parcelable
+import com.topjohnwu.magisk.Config
+import com.topjohnwu.magisk.Info
+import com.topjohnwu.magisk.extensions.cachedFile
+import com.topjohnwu.magisk.extensions.get
+import com.topjohnwu.magisk.model.entity.MagiskJson
+import com.topjohnwu.magisk.model.entity.ManagerJson
+import com.topjohnwu.magisk.model.entity.module.Repo
+import kotlinx.android.parcel.IgnoredOnParcel
+import kotlinx.android.parcel.Parcelize
+import java.io.File
+
+sealed class DownloadSubject : Parcelable {
+
+    abstract val url: String
+    abstract val file: File
+    open val title: String get() = file.name
+
+    @Parcelize
+    data class Module(
+        val module: Repo,
+        val configuration: Configuration
+    ) : DownloadSubject() {
+        override val url: String get() = module.zipUrl
+
+        @IgnoredOnParcel
+        override val file by lazy {
+            File(Config.downloadDirectory, module.downloadFilename)
+        }
+    }
+
+    @Parcelize
+    data class Manager(
+        val configuration: Configuration.APK
+    ) : DownloadSubject() {
+
+        @IgnoredOnParcel
+        val manager: ManagerJson = Info.remote.app
+
+        override val title: String
+            get() = "MagiskManager-v${manager.version}(${manager.versionCode})"
+
+        override val url: String
+            get() = manager.link
+
+        @IgnoredOnParcel
+        override val file by lazy {
+            get<Context>().cachedFile("manager.apk")
+        }
+
+    }
+
+    sealed class Magisk : DownloadSubject() {
+
+        abstract val configuration: Configuration
+        val magisk: MagiskJson = Info.remote.magisk
+
+        @Parcelize
+        protected data class Flash(
+            override val configuration: Configuration
+        ) : Magisk() {
+            override val url: String get() = magisk.link
+            override val title: String get() = "Magisk-v${magisk.version}(${magisk.versionCode})"
+
+            @IgnoredOnParcel
+            override val file by lazy {
+                get<Context>().cachedFile("magisk.zip")
+            }
+        }
+
+        @Parcelize
+        protected class Uninstall : Magisk() {
+            override val configuration: Configuration get() = Configuration.Uninstall
+            override val url: String get() = Info.remote.uninstaller.link
+
+            @IgnoredOnParcel
+            override val file by lazy {
+                get<Context>().cachedFile("uninstall.zip")
+            }
+        }
+
+        @Parcelize
+        protected class Download : Magisk() {
+            override val configuration: Configuration get() = Configuration.Download
+            override val url: String get() = magisk.link
+
+            @IgnoredOnParcel
+            override val file by lazy {
+                File(Config.downloadDirectory, "Magisk-v${magisk.version}(${magisk.versionCode}).zip")
+            }
+        }
+
+        companion object {
+            operator fun invoke(configuration: Configuration) = when (configuration) {
+                Configuration.Download -> Download()
+                Configuration.Uninstall -> Uninstall()
+                else -> Flash(configuration)
+            }
+        }
+
+    }
+
+}

app/src/main/java/com/topjohnwu/magisk/model/entity/module/BaseModule.kt

@@ -0,0 +1,41 @@
+package com.topjohnwu.magisk.model.entity.module
+
+abstract class BaseModule : Comparable<BaseModule> {
+    abstract var id: String
+        protected set
+    abstract var name: String
+        protected set
+    abstract var author: String
+        protected set
+    abstract var version: String
+        protected set
+    abstract var versionCode: Int
+        protected set
+    abstract var description: String
+        protected set
+
+    @Throws(NumberFormatException::class)
+    protected fun parseProps(props: List<String>) {
+        for (line in props) {
+            val prop = line.split("=".toRegex(), 2).map { it.trim() }
+            if (prop.size != 2)
+                continue
+
+            val key = prop[0]
+            val value = prop[1]
+            if (key.isEmpty() || key[0] == '#')
+                continue
+
+            when (key) {
+                "id" -> id = value
+                "name" -> name = value
+                "version" -> version = value
+                "versionCode" -> versionCode = value.toInt()
+                "author" -> author = value
+                "description" -> description = value
+            }
+        }
+    }
+
+    override operator fun compareTo(other: BaseModule) = name.compareTo(other.name, true)
+}

app/src/main/java/com/topjohnwu/magisk/model/entity/module/Module.kt

@@ -0,0 +1,71 @@
+package com.topjohnwu.magisk.model.entity.module
+
+import androidx.annotation.WorkerThread
+import com.topjohnwu.magisk.Const
+import com.topjohnwu.superuser.Shell
+import com.topjohnwu.superuser.io.SuFile
+
+class Module(path: String) : BaseModule() {
+    override var id: String = ""
+    override var name: String = ""
+    override var author: String = ""
+    override var version: String = ""
+    override var versionCode: Int = -1
+    override var description: String = ""
+
+    private val removeFile: SuFile = SuFile(path, "remove")
+    private val disableFile: SuFile = SuFile(path, "disable")
+    private val updateFile: SuFile = SuFile(path, "update")
+
+    val updated: Boolean = updateFile.exists()
+
+    var enable: Boolean = !disableFile.exists()
+        set(enable) {
+            field = if (enable) {
+                disableFile.delete()
+            } else {
+                !disableFile.createNewFile()
+            }
+        }
+
+    var remove: Boolean = removeFile.exists()
+        set(remove) {
+            field = if (remove) {
+                removeFile.createNewFile()
+            } else {
+                !removeFile.delete()
+            }
+        }
+
+    init {
+        runCatching {
+            parseProps(Shell.su("dos2unix < $path/module.prop").exec().out)
+        }
+
+        if (id.isEmpty()) {
+            val sep = path.lastIndexOf('/')
+            id = path.substring(sep + 1)
+        }
+
+        if (name.isEmpty()) {
+            name = id;
+        }
+    }
+
+    companion object {
+
+        @WorkerThread
+        fun loadModules(): List<Module> {
+            val moduleList = mutableListOf<Module>()
+            val path = SuFile(Const.MAGISK_PATH)
+            val modules =
+                    path.listFiles { _, name -> name != "lost+found" && name != ".core" }.orEmpty()
+            for (file in modules) {
+                if (file.isFile) continue
+                val module = Module(Const.MAGISK_PATH + "/" + file.name)
+                moduleList.add(module)
+            }
+            return moduleList
+        }
+    }
+}

app/src/main/java/com/topjohnwu/magisk/model/entity/module/Repo.kt

@@ -0,0 +1,71 @@
+package com.topjohnwu.magisk.model.entity.module
+
+import android.os.Parcelable
+import androidx.room.Entity
+import androidx.room.PrimaryKey
+import com.topjohnwu.magisk.Const
+import com.topjohnwu.magisk.data.repository.StringRepository
+import com.topjohnwu.magisk.extensions.get
+import com.topjohnwu.magisk.extensions.legalFilename
+import kotlinx.android.parcel.Parcelize
+import java.text.DateFormat
+import java.util.*
+
+@Entity(tableName = "repos")
+@Parcelize
+data class Repo(
+    @PrimaryKey override var id: String,
+    override var name: String,
+    override var author: String,
+    override var version: String,
+    override var versionCode: Int,
+    override var description: String,
+    var last_update: Long
+) : BaseModule(), Parcelable {
+
+    private val stringRepo: StringRepository get() = get()
+
+    val lastUpdate get() = Date(last_update)
+
+    val lastUpdateString: String get() = dateFormat.format(lastUpdate)
+
+    val downloadFilename: String get() = "$name-$version($versionCode).zip".legalFilename()
+
+    val readme get() = stringRepo.getReadme(this)
+
+    val zipUrl: String get() = Const.Url.ZIP_URL.format(id)
+
+    constructor(id: String) : this(id, "", "", "", -1, "", 0)
+
+    @Throws(IllegalRepoException::class)
+    fun update() {
+        val props = runCatching {
+            stringRepo.getMetadata(this).blockingGet()
+                    .orEmpty().split("\\n".toRegex()).dropLastWhile { it.isEmpty() }
+        }.getOrElse {
+            throw IllegalRepoException("Repo [$id] module.prop download error: " + it.message)
+        }
+
+        props.runCatching {
+            parseProps(this)
+        }.onFailure {
+            throw IllegalRepoException("Repo [$id] parse error: " + it.message)
+        }
+
+        if (versionCode < 0) {
+            throw IllegalRepoException("Repo [$id] does not contain versionCode")
+        }
+    }
+
+    @Throws(IllegalRepoException::class)
+    fun update(lastUpdate: Date) {
+        last_update = lastUpdate.time
+        update()
+    }
+
+    class IllegalRepoException(message: String) : Exception(message)
+
+    companion object {
+        val dateFormat = DateFormat.getDateTimeInstance(DateFormat.MEDIUM, DateFormat.MEDIUM)!!
+    }
+}

app/src/main/java/com/topjohnwu/magisk/model/entity/recycler/ConsoleRvItem.kt

@@ -1,11 +1,26 @@
 package com.topjohnwu.magisk.model.entity.recycler
 
-import com.skoumal.teanity.databinding.ComparableRvItem
+import android.widget.TextView
+import androidx.core.view.updateLayoutParams
+import androidx.databinding.ViewDataBinding
+import androidx.recyclerview.widget.RecyclerView
 import com.topjohnwu.magisk.R
 
-class ConsoleRvItem(val item: String) : ComparableRvItem<ConsoleRvItem>() {
+class ConsoleRvItem(val item: String) : LenientRvItem<ConsoleRvItem>() {
     override val layoutRes: Int = R.layout.item_console
 
+    override fun onBindingBound(binding: ViewDataBinding, recyclerView: RecyclerView) {
+        val view = binding.root as TextView
+        view.measure(0, 0)
+        val desiredWidth = view.measuredWidth
+
+        view.updateLayoutParams { width = desiredWidth }
+
+        if (recyclerView.width < desiredWidth) {
+            recyclerView.requestLayout()
+        }
+    }
+
     override fun contentSameAs(other: ConsoleRvItem) = itemSameAs(other)
     override fun itemSameAs(other: ConsoleRvItem) = item == other.item
 }

app/src/main/java/com/topjohnwu/magisk/model/entity/recycler/HideRvItem.kt

@@ -6,12 +6,12 @@ import com.skoumal.teanity.rxbus.RxBus
 import com.skoumal.teanity.util.DiffObservableList
 import com.skoumal.teanity.util.KObservableField
 import com.topjohnwu.magisk.R
+import com.topjohnwu.magisk.extensions.inject
+import com.topjohnwu.magisk.extensions.toggle
 import com.topjohnwu.magisk.model.entity.HideAppInfo
 import com.topjohnwu.magisk.model.entity.HideTarget
 import com.topjohnwu.magisk.model.entity.state.IndeterminateState
 import com.topjohnwu.magisk.model.events.HideProcessEvent
-import com.topjohnwu.magisk.utils.inject
-import com.topjohnwu.magisk.utils.toggle
 
 class HideRvItem(val item: HideAppInfo, targets: List<HideTarget>) :
     ComparableRvItem<HideRvItem>() {

app/src/main/java/com/topjohnwu/magisk/model/entity/recycler/LenientRvItem.kt

@@ -0,0 +1,16 @@
+package com.topjohnwu.magisk.model.entity.recycler
+
+import androidx.databinding.ViewDataBinding
+import androidx.recyclerview.widget.RecyclerView
+import com.skoumal.teanity.databinding.ComparableRvItem
+
+/**
+ * This item addresses issues where enclosing recycler has to be invalidated or generally
+ * manipulated with. This shouldn't be however necessary for 99.9% of use-cases. Refrain from using
+ * this item as it provides virtually no additional functionality. Stick with ComparableRvItem.
+ * */
+abstract class LenientRvItem<in T> : ComparableRvItem<T>() {
+
+    open fun onBindingBound(binding: ViewDataBinding, recyclerView: RecyclerView) {}
+
+}

app/src/main/java/com/topjohnwu/magisk/model/entity/recycler/LogRvItem.kt

@@ -1,12 +1,14 @@
 package com.topjohnwu.magisk.model.entity.recycler
 
-import androidx.databinding.ObservableList
 import com.skoumal.teanity.databinding.ComparableRvItem
 import com.skoumal.teanity.util.DiffObservableList
 import com.skoumal.teanity.util.KObservableField
 import com.topjohnwu.magisk.R
-import com.topjohnwu.magisk.model.entity.SuLogEntry
-import com.topjohnwu.magisk.utils.toggle
+import com.topjohnwu.magisk.extensions.timeFormatMedium
+import com.topjohnwu.magisk.extensions.toTime
+import com.topjohnwu.magisk.extensions.toggle
+import com.topjohnwu.magisk.model.entity.MagiskLog
+import com.topjohnwu.magisk.model.entity.WrappedMagiskLog
 
 class LogRvItem : ComparableRvItem<LogRvItem>() {
     override val layoutRes: Int = R.layout.item_page_log
@@ -25,12 +27,12 @@ class LogRvItem : ComparableRvItem<LogRvItem>() {
 }
 
 class LogItemRvItem(
-    val items: ObservableList<ComparableRvItem<*>>
+    item: WrappedMagiskLog
 ) : ComparableRvItem<LogItemRvItem>() {
     override val layoutRes: Int = R.layout.item_superuser_log
 
-    val date = items.filterIsInstance<LogItemEntryRvItem>().firstOrNull()
-        ?.item?.dateString.orEmpty()
+    val date = item.time.toTime(timeFormatMedium)
+    val items: List<ComparableRvItem<*>> = item.items.map { LogItemEntryRvItem(it) }
     val isExpanded = KObservableField(false)
 
     fun toggle() = isExpanded.toggle()
@@ -41,7 +43,7 @@ class LogItemRvItem(
     override fun itemSameAs(other: LogItemRvItem): Boolean = date == other.date
 }
 
-class LogItemEntryRvItem(val item: SuLogEntry) : ComparableRvItem<LogItemEntryRvItem>() {
+class LogItemEntryRvItem(val item: MagiskLog) : ComparableRvItem<LogItemEntryRvItem>() {
     override val layoutRes: Int = R.layout.item_superuser_log_entry
 
     val isExpanded = KObservableField(false)

app/src/main/java/com/topjohnwu/magisk/model/entity/recycler/ModuleRvItem.kt

@@ -6,61 +6,70 @@ import com.skoumal.teanity.databinding.ComparableRvItem
 import com.skoumal.teanity.extensions.addOnPropertyChangedCallback
 import com.skoumal.teanity.util.KObservableField
 import com.topjohnwu.magisk.R
-import com.topjohnwu.magisk.model.entity.Module
-import com.topjohnwu.magisk.model.entity.Repo
-import com.topjohnwu.magisk.utils.get
-import com.topjohnwu.magisk.utils.toggle
+import com.topjohnwu.magisk.extensions.get
+import com.topjohnwu.magisk.extensions.toggle
+import com.topjohnwu.magisk.model.entity.module.Module
+import com.topjohnwu.magisk.model.entity.module.Repo
 
 class ModuleRvItem(val item: Module) : ComparableRvItem<ModuleRvItem>() {
 
     override val layoutRes: Int = R.layout.item_module
 
     val lastActionNotice = KObservableField("")
-    val isChecked = KObservableField(item.isEnabled)
-    val isDeletable = KObservableField(item.willBeRemoved())
+    val isChecked = KObservableField(item.enable)
+    val isDeletable = KObservableField(item.remove)
 
     init {
         isChecked.addOnPropertyChangedCallback {
             when (it) {
-                true -> item.removeDisableFile().notice(R.string.disable_file_removed)
-                false -> item.createDisableFile().notice(R.string.disable_file_created)
+                true -> {
+                    item.enable = true
+                    notice(R.string.disable_file_removed)
+                }
+                false -> {
+                    item.enable = false
+                    notice(R.string.disable_file_created)
+                }
             }
         }
         isDeletable.addOnPropertyChangedCallback {
             when (it) {
-                true -> item.createRemoveFile().notice(R.string.remove_file_created)
-                false -> item.deleteRemoveFile().notice(R.string.remove_file_deleted)
+                true -> {
+                    item.remove = true
+                    notice(R.string.remove_file_created)
+                }
+                false -> {
+                    item.remove = false
+                    notice(R.string.remove_file_deleted)
+                }
             }
         }
         when {
-            item.isUpdated -> notice(R.string.update_file_created)
-            item.willBeRemoved() -> notice(R.string.remove_file_created)
+            item.updated -> notice(R.string.update_file_created)
+            item.remove -> notice(R.string.remove_file_created)
         }
     }
 
     fun toggle() = isChecked.toggle()
     fun toggleDelete() = isDeletable.toggle()
 
-    @Suppress("unused")
-    private fun Any.notice(@StringRes info: Int) {
+    private fun notice(@StringRes info: Int) {
         lastActionNotice.value = get<Resources>().getString(info)
     }
 
     override fun contentSameAs(other: ModuleRvItem): Boolean = item.version == other.item.version
             && item.versionCode == other.item.versionCode
             && item.description == other.item.description
+            && item.name == other.item.name
 
-    override fun itemSameAs(other: ModuleRvItem): Boolean = item.name == other.item.name
+    override fun itemSameAs(other: ModuleRvItem): Boolean = item.id == other.item.id
 }
 
 class RepoRvItem(val item: Repo) : ComparableRvItem<RepoRvItem>() {
 
     override val layoutRes: Int = R.layout.item_repo
 
-    override fun contentSameAs(other: RepoRvItem): Boolean = item.version == other.item.version
-            && item.lastUpdate == other.item.lastUpdate
-            && item.versionCode == other.item.versionCode
-            && item.description == other.item.description
+    override fun contentSameAs(other: RepoRvItem): Boolean = item == other.item
 
-    override fun itemSameAs(other: RepoRvItem): Boolean = item.detailUrl == other.item.detailUrl
+    override fun itemSameAs(other: RepoRvItem): Boolean = item.id == other.item.id
 }

app/src/main/java/com/topjohnwu/magisk/model/entity/recycler/PolicyRvItem.kt

@@ -6,18 +6,18 @@ import com.skoumal.teanity.extensions.addOnPropertyChangedCallback
 import com.skoumal.teanity.rxbus.RxBus
 import com.skoumal.teanity.util.KObservableField
 import com.topjohnwu.magisk.R
-import com.topjohnwu.magisk.model.entity.Policy
+import com.topjohnwu.magisk.extensions.inject
+import com.topjohnwu.magisk.extensions.toggle
+import com.topjohnwu.magisk.model.entity.MagiskPolicy
 import com.topjohnwu.magisk.model.events.PolicyEnableEvent
 import com.topjohnwu.magisk.model.events.PolicyUpdateEvent
-import com.topjohnwu.magisk.utils.inject
-import com.topjohnwu.magisk.utils.toggle
 
-class PolicyRvItem(val item: Policy, val icon: Drawable) : ComparableRvItem<PolicyRvItem>() {
+class PolicyRvItem(val item: MagiskPolicy, val icon: Drawable) : ComparableRvItem<PolicyRvItem>() {
 
     override val layoutRes: Int = R.layout.item_policy
 
     val isExpanded = KObservableField(false)
-    val isEnabled = KObservableField(item.policy == Policy.ALLOW)
+    val isEnabled = KObservableField(item.policy == MagiskPolicy.ALLOW)
     val shouldNotify = KObservableField(item.notification)
     val shouldLog = KObservableField(item.logging)
 
@@ -25,6 +25,13 @@ class PolicyRvItem(val item: Policy, val icon: Drawable) : ComparableRvItem<Poli
 
     private val rxBus: RxBus by inject()
 
+    private val currentStateItem
+        get() = item.copy(
+            policy = if (isEnabled.value) MagiskPolicy.ALLOW else MagiskPolicy.DENY,
+            notification = shouldNotify.value,
+            logging = shouldLog.value
+        )
+
     init {
         isEnabled.addOnPropertyChangedCallback {
             it ?: return@addOnPropertyChangedCallback
@@ -32,13 +39,11 @@ class PolicyRvItem(val item: Policy, val icon: Drawable) : ComparableRvItem<Poli
         }
         shouldNotify.addOnPropertyChangedCallback {
             it ?: return@addOnPropertyChangedCallback
-            item.notification = it
-            rxBus.post(PolicyUpdateEvent.Notification(this@PolicyRvItem))
+            rxBus.post(PolicyUpdateEvent.Notification(currentStateItem))
         }
         shouldLog.addOnPropertyChangedCallback {
             it ?: return@addOnPropertyChangedCallback
-            item.logging = it
-            rxBus.post(PolicyUpdateEvent.Log(this@PolicyRvItem))
+            rxBus.post(PolicyUpdateEvent.Log(currentStateItem))
         }
     }
 

app/src/main/java/com/topjohnwu/magisk/model/events/RxEvents.kt

@@ -1,6 +1,7 @@
 package com.topjohnwu.magisk.model.events
 
 import com.skoumal.teanity.rxbus.RxBus
+import com.topjohnwu.magisk.model.entity.MagiskPolicy
 import com.topjohnwu.magisk.model.entity.recycler.HideProcessRvItem
 import com.topjohnwu.magisk.model.entity.recycler.ModuleRvItem
 import com.topjohnwu.magisk.model.entity.recycler.PolicyRvItem
@@ -8,9 +9,9 @@ import com.topjohnwu.magisk.model.entity.recycler.PolicyRvItem
 class HideProcessEvent(val item: HideProcessRvItem) : RxBus.Event
 
 class PolicyEnableEvent(val item: PolicyRvItem, val enable: Boolean) : RxBus.Event
-sealed class PolicyUpdateEvent(val item: PolicyRvItem) : RxBus.Event {
-    class Notification(item: PolicyRvItem) : PolicyUpdateEvent(item)
-    class Log(item: PolicyRvItem) : PolicyUpdateEvent(item)
+sealed class PolicyUpdateEvent(val item: MagiskPolicy) : RxBus.Event {
+    class Notification(item: MagiskPolicy) : PolicyUpdateEvent(item)
+    class Log(item: MagiskPolicy) : PolicyUpdateEvent(item)
 }
 
 class ModuleUpdatedEvent(val item: ModuleRvItem) : RxBus.Event

app/src/main/java/com/topjohnwu/magisk/model/events/ViewEvents.kt

@@ -2,8 +2,7 @@ package com.topjohnwu.magisk.model.events
 
 import android.app.Activity
 import com.skoumal.teanity.viewevents.ViewEvent
-import com.topjohnwu.magisk.model.entity.Policy
-import com.topjohnwu.magisk.model.entity.Repo
+import com.topjohnwu.magisk.model.entity.module.Repo
 import io.reactivex.subjects.PublishSubject
 
 
@@ -36,5 +35,4 @@ class PermissionEvent(
 
 class BackPressEvent : ViewEvent()
 
-class SuDialogEvent(val policy: Policy) : ViewEvent()
 class DieEvent : ViewEvent()

app/src/main/java/com/topjohnwu/magisk/model/flash/Flashing.kt

@@ -3,9 +3,8 @@ package com.topjohnwu.magisk.model.flash
 import android.content.Context
 import android.net.Uri
 import androidx.core.os.postDelayed
+import com.topjohnwu.magisk.extensions.inject
 import com.topjohnwu.magisk.tasks.FlashZip
-import com.topjohnwu.magisk.utils.Utils
-import com.topjohnwu.magisk.utils.inject
 import com.topjohnwu.superuser.Shell
 import com.topjohnwu.superuser.internal.UiThreadHandler
 
@@ -33,7 +32,7 @@ sealed class Flashing(
 
         override fun onResult(success: Boolean) {
             if (success) {
-                Utils.loadModules()
+                //Utils.loadModules()
             }
             super.onResult(success)
         }

app/src/main/java/com/topjohnwu/magisk/model/flash/Patching.kt

@@ -5,10 +5,11 @@ import com.topjohnwu.magisk.tasks.MagiskInstaller
 import com.topjohnwu.superuser.Shell
 
 sealed class Patching(
+    file: Uri,
     private val console: MutableList<String>,
     logs: MutableList<String>,
     private val resultListener: FlashResultListener
-) : MagiskInstaller(console, logs) {
+) : MagiskInstaller(file, console, logs) {
 
     override fun onResult(success: Boolean) {
         if (success) {
@@ -21,29 +22,32 @@ sealed class Patching(
     }
 
     class File(
+        file: Uri,
         private val uri: Uri,
         console: MutableList<String>,
         logs: MutableList<String>,
         resultListener: FlashResultListener
-    ) : Patching(console, logs, resultListener) {
+    ) : Patching(file, console, logs, resultListener) {
         override fun operations() =
             extractZip() && handleFile(uri) && patchBoot() && storeBoot()
     }
 
     class SecondSlot(
+        file: Uri,
         console: MutableList<String>,
         logs: MutableList<String>,
         resultListener: FlashResultListener
-    ) : Patching(console, logs, resultListener) {
+    ) : Patching(file, console, logs, resultListener) {
         override fun operations() =
             findSecondaryImage() && extractZip() && patchBoot() && flashBoot() && postOTA()
     }
 
     class Direct(
+        file: Uri,
         console: MutableList<String>,
         logs: MutableList<String>,
         resultListener: FlashResultListener
-    ) : Patching(console, logs, resultListener) {
+    ) : Patching(file, console, logs, resultListener) {
         override fun operations() =
             findImage() && extractZip() && patchBoot() && flashBoot()
     }

app/src/main/java/com/topjohnwu/magisk/model/preference/BooleanProperty.kt

@@ -0,0 +1,30 @@
+package com.topjohnwu.magisk.model.preference
+
+import androidx.core.content.edit
+import com.topjohnwu.magisk.extensions.trimEmptyToNull
+import kotlin.properties.ReadWriteProperty
+import kotlin.reflect.KProperty
+
+class BooleanProperty(
+    private val name: String,
+    private val default: Boolean,
+    private val commit: Boolean
+) : Property(), ReadWriteProperty<PreferenceModel, Boolean> {
+
+    override operator fun getValue(
+        thisRef: PreferenceModel,
+        property: KProperty<*>
+    ): Boolean {
+        val prefName = name.trimEmptyToNull() ?: property.name
+        return thisRef.prefs.get(prefName, default)
+    }
+
+    override operator fun setValue(
+        thisRef: PreferenceModel,
+        property: KProperty<*>,
+        value: Boolean
+    ) {
+        val prefName = name.trimEmptyToNull() ?: property.name
+        thisRef.prefs.edit(commit) { put(prefName, value) }
+    }
+}

app/src/main/java/com/topjohnwu/magisk/model/preference/FloatProperty.kt

@@ -0,0 +1,30 @@
+package com.topjohnwu.magisk.model.preference
+
+import androidx.core.content.edit
+import com.topjohnwu.magisk.extensions.trimEmptyToNull
+import kotlin.properties.ReadWriteProperty
+import kotlin.reflect.KProperty
+
+class FloatProperty(
+    private val name: String,
+    private val default: Float,
+    private val commit: Boolean
+) : Property(), ReadWriteProperty<PreferenceModel, Float> {
+
+    override operator fun getValue(
+        thisRef: PreferenceModel,
+        property: KProperty<*>
+    ): Float {
+        val prefName = name.trimEmptyToNull() ?: property.name
+        return thisRef.prefs.get(prefName, default)
+    }
+
+    override operator fun setValue(
+        thisRef: PreferenceModel,
+        property: KProperty<*>,
+        value: Float
+    ) {
+        val prefName = name.trimEmptyToNull() ?: property.name
+        thisRef.prefs.edit(commit) { put(prefName, value) }
+    }
+}

app/src/main/java/com/topjohnwu/magisk/model/preference/IntProperty.kt

@@ -0,0 +1,30 @@
+package com.topjohnwu.magisk.model.preference
+
+import androidx.core.content.edit
+import com.topjohnwu.magisk.extensions.trimEmptyToNull
+import kotlin.properties.ReadWriteProperty
+import kotlin.reflect.KProperty
+
+class IntProperty(
+    private val name: String,
+    private val default: Int,
+    private val commit: Boolean
+) : Property(), ReadWriteProperty<PreferenceModel, Int> {
+
+    override operator fun getValue(
+        thisRef: PreferenceModel,
+        property: KProperty<*>
+    ): Int {
+        val prefName = name.trimEmptyToNull() ?: property.name
+        return thisRef.prefs.get(prefName, default)
+    }
+
+    override operator fun setValue(
+        thisRef: PreferenceModel,
+        property: KProperty<*>,
+        value: Int
+    ) {
+        val prefName = name.trimEmptyToNull() ?: property.name
+        thisRef.prefs.edit(commit) { put(prefName, value) }
+    }
+}

app/src/main/java/com/topjohnwu/magisk/model/preference/LongProperty.kt

@@ -0,0 +1,30 @@
+package com.topjohnwu.magisk.model.preference
+
+import androidx.core.content.edit
+import com.topjohnwu.magisk.extensions.trimEmptyToNull
+import kotlin.properties.ReadWriteProperty
+import kotlin.reflect.KProperty
+
+class LongProperty(
+    private val name: String,
+    private val default: Long,
+    private val commit: Boolean
+) : Property(), ReadWriteProperty<PreferenceModel, Long> {
+
+    override operator fun getValue(
+        thisRef: PreferenceModel,
+        property: KProperty<*>
+    ): Long {
+        val prefName = name.trimEmptyToNull() ?: property.name
+        return thisRef.prefs.get(prefName, default)
+    }
+
+    override operator fun setValue(
+        thisRef: PreferenceModel,
+        property: KProperty<*>,
+        value: Long
+    ) {
+        val prefName = name.trimEmptyToNull() ?: property.name
+        thisRef.prefs.edit(commit) { put(prefName, value) }
+    }
+}

app/src/main/java/com/topjohnwu/magisk/model/preference/PreferenceModel.kt

@@ -0,0 +1,69 @@
+package com.topjohnwu.magisk.model.preference
+
+import android.content.Context
+import android.content.SharedPreferences
+import kotlin.properties.ReadWriteProperty
+import kotlin.reflect.KProperty
+
+interface PreferenceModel {
+
+    val context: Context
+
+    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
+    ) = object: ReadWriteProperty<PreferenceModel, Int> {
+        val base = StringProperty(name, default.toString(), commit)
+        override fun getValue(thisRef: PreferenceModel, property: KProperty<*>): Int =
+                base.getValue(thisRef, property).toInt()
+
+        override fun setValue(thisRef: PreferenceModel, property: KProperty<*>, value: Int) =
+                base.setValue(thisRef, property, value.toString())
+    }
+
+    fun preference(
+        name: String,
+        default: Boolean,
+        commit: Boolean = commitPrefs
+    ) = BooleanProperty(name, default, commit)
+
+    fun preference(
+        name: String,
+        default: Float,
+        commit: Boolean = commitPrefs
+    ) = FloatProperty(name, default, commit)
+
+    fun preference(
+        name: String,
+        default: Int,
+        commit: Boolean = commitPrefs
+    ) = IntProperty(name, default, commit)
+
+    fun preference(
+        name: String,
+        default: Long,
+        commit: Boolean = commitPrefs
+    ) = LongProperty(name, default, commit)
+
+    fun preference(
+        name: String,
+        default: String,
+        commit: Boolean = commitPrefs
+    ) = StringProperty(name, default, commit)
+
+    fun preference(
+        name: String,
+        default: Set<String>,
+        commit: Boolean = commitPrefs
+    ) = StringSetProperty(name, default, commit)
+
+}

app/src/main/java/com/topjohnwu/magisk/model/preference/Property.kt

@@ -0,0 +1,21 @@
+package com.topjohnwu.magisk.model.preference
+
+import android.content.SharedPreferences
+
+abstract class Property {
+
+    fun SharedPreferences.Editor.put(name: String, value: Boolean) = putBoolean(name, value)
+    fun SharedPreferences.Editor.put(name: String, value: Float) = putFloat(name, value)
+    fun SharedPreferences.Editor.put(name: String, value: Int) = putInt(name, value)
+    fun SharedPreferences.Editor.put(name: String, value: Long) = putLong(name, value)
+    fun SharedPreferences.Editor.put(name: String, value: String) = putString(name, value)
+    fun SharedPreferences.Editor.put(name: String, value: Set<String>) = putStringSet(name, value)
+
+    fun SharedPreferences.get(name: String, value: Boolean) = getBoolean(name, value)
+    fun SharedPreferences.get(name: String, value: Float) = getFloat(name, value)
+    fun SharedPreferences.get(name: String, value: Int) = getInt(name, value)
+    fun SharedPreferences.get(name: String, value: Long) = getLong(name, value)
+    fun SharedPreferences.get(name: String, value: String) = getString(name, value) ?: value
+    fun SharedPreferences.get(name: String, value: Set<String>) = getStringSet(name, value) ?: value
+
+}

app/src/main/java/com/topjohnwu/magisk/model/preference/StringProperty.kt

@@ -0,0 +1,30 @@
+package com.topjohnwu.magisk.model.preference
+
+import androidx.core.content.edit
+import com.topjohnwu.magisk.extensions.trimEmptyToNull
+import kotlin.properties.ReadWriteProperty
+import kotlin.reflect.KProperty
+
+class StringProperty(
+    private val name: String,
+    private val default: String,
+    private val commit: Boolean
+) : Property(), ReadWriteProperty<PreferenceModel, String> {
+
+    override operator fun getValue(
+        thisRef: PreferenceModel,
+        property: KProperty<*>
+    ): String {
+        val prefName = name.trimEmptyToNull() ?: property.name
+        return thisRef.prefs.get(prefName, default)
+    }
+
+    override operator fun setValue(
+        thisRef: PreferenceModel,
+        property: KProperty<*>,
+        value: String
+    ) {
+        val prefName = name.trimEmptyToNull() ?: property.name
+        thisRef.prefs.edit(commit) { put(prefName, value) }
+    }
+}

app/src/main/java/com/topjohnwu/magisk/model/preference/StringSetProperty.kt

@@ -0,0 +1,30 @@
+package com.topjohnwu.magisk.model.preference
+
+import androidx.core.content.edit
+import com.topjohnwu.magisk.extensions.trimEmptyToNull
+import kotlin.properties.ReadWriteProperty
+import kotlin.reflect.KProperty
+
+class StringSetProperty(
+    private val name: String,
+    private val default: Set<String>,
+    private val commit: Boolean
+) : Property(), ReadWriteProperty<PreferenceModel, Set<String>> {
+
+    override operator fun getValue(
+        thisRef: PreferenceModel,
+        property: KProperty<*>
+    ): Set<String> {
+        val prefName = name.trimEmptyToNull() ?: property.name
+        return thisRef.prefs.get(prefName, default)
+    }
+
+    override operator fun setValue(
+        thisRef: PreferenceModel,
+        property: KProperty<*>,
+        value: Set<String>
+    ) {
+        val prefName = name.trimEmptyToNull() ?: property.name
+        thisRef.prefs.edit(commit) { put(prefName, value) }
+    }
+}

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

@@ -6,18 +6,25 @@ import android.content.Intent
 import com.topjohnwu.magisk.ClassMap
 import com.topjohnwu.magisk.Config
 import com.topjohnwu.magisk.Const
-import com.topjohnwu.magisk.data.database.MagiskDB
+import com.topjohnwu.magisk.Info
+import com.topjohnwu.magisk.data.database.PolicyDao
+import com.topjohnwu.magisk.data.database.base.su
+import com.topjohnwu.magisk.extensions.inject
+import com.topjohnwu.magisk.extensions.reboot
+import com.topjohnwu.magisk.model.download.DownloadService
+import com.topjohnwu.magisk.model.entity.ManagerJson
+import com.topjohnwu.magisk.model.entity.internal.Configuration
+import com.topjohnwu.magisk.model.entity.internal.DownloadSubject
 import com.topjohnwu.magisk.ui.surequest.SuRequestActivity
-import com.topjohnwu.magisk.utils.DownloadApp
-import com.topjohnwu.magisk.utils.RootUtils
 import com.topjohnwu.magisk.utils.SuLogger
-import com.topjohnwu.magisk.utils.get
 import com.topjohnwu.magisk.view.Notifications
 import com.topjohnwu.magisk.view.Shortcuts
 import com.topjohnwu.superuser.Shell
 
 open class GeneralReceiver : BroadcastReceiver() {
 
+    private val policyDB: PolicyDao by inject()
+
     companion object {
         const val REQUEST = "request"
         const val LOG = "log"
@@ -26,28 +33,25 @@ open class GeneralReceiver : BroadcastReceiver() {
     }
 
     private fun getPkg(intent: Intent): String {
-        return intent.data?.encodedSchemeSpecificPart ?: ""
+        return intent.data?.encodedSchemeSpecificPart.orEmpty()
     }
 
     override fun onReceive(context: Context, intent: Intent?) {
-        if (intent == null)
-            return
-        val mDB: MagiskDB = get()
-        var action: String? = intent.action ?: return
-        when (action) {
+        intent ?: return
+        when (intent.action ?: return) {
             Intent.ACTION_REBOOT, Intent.ACTION_BOOT_COMPLETED -> {
-                action = intent.getStringExtra("action")
+                val action = intent.getStringExtra("action")
                 if (action == null) {
                     // Actual boot completed event
-                    Shell.su("mm_patch_dtbo").submit { result ->
-                        if (result.isSuccess)
-                            Notifications.dtboPatched()
+                    Shell.su("mm_patch_dtbo").submit {
+                        if (it.isSuccess)
+                            Notifications.dtboPatched(context)
                     }
                     return
                 }
                 when (action) {
                     REQUEST -> {
-                        val i = Intent(context, ClassMap.get<Any>(SuRequestActivity::class.java))
+                        val i = Intent(context, ClassMap[SuRequestActivity::class.java])
                                 .setAction(action)
                                 .putExtra("socket", intent.getStringExtra("socket"))
                                 .addFlags(Intent.FLAG_ACTIVITY_NEW_TASK)
@@ -61,20 +65,23 @@ open class GeneralReceiver : BroadcastReceiver() {
             }
             Intent.ACTION_PACKAGE_REPLACED ->
                 // This will only work pre-O
-                if (Config.get<Boolean>(Config.Key.SU_REAUTH)!!) {
-                    mDB.deletePolicy(getPkg(intent))
-                }
+                if (Config.suReAuth)
+                    policyDB.delete(getPkg(intent)).blockingGet()
             Intent.ACTION_PACKAGE_FULLY_REMOVED -> {
                 val pkg = getPkg(intent)
-                mDB.deletePolicy(pkg)
-                Shell.su("magiskhide --rm $pkg").submit()
+                policyDB.delete(pkg).blockingGet()
+                "magiskhide --rm $pkg".su().blockingGet()
             }
             Intent.ACTION_LOCALE_CHANGED -> Shortcuts.setup(context)
             Const.Key.BROADCAST_MANAGER_UPDATE -> {
-                Config.managerLink = intent.getStringExtra(Const.Key.INTENT_SET_LINK)
-                DownloadApp.upgrade(intent.getStringExtra(Const.Key.INTENT_SET_NAME))
+                intent.getParcelableExtra<ManagerJson>(Const.Key.INTENT_SET_APP)?.let {
+                    Info.remote = Info.remote.copy(app = it)
+                }
+                DownloadService(context) {
+                    subject = DownloadSubject.Manager(Configuration.APK.Upgrade)
+                }
             }
-            Const.Key.BROADCAST_REBOOT -> RootUtils.reboot()
+            Const.Key.BROADCAST_REBOOT -> reboot()
         }
     }
 }

app/src/main/java/com/topjohnwu/magisk/model/update/UpdateCheckService.java

@@ -1,33 +0,0 @@
-package com.topjohnwu.magisk.model.update;
-
-import androidx.annotation.NonNull;
-import androidx.work.ListenableWorker;
-
-import com.topjohnwu.magisk.App;
-import com.topjohnwu.magisk.BuildConfig;
-import com.topjohnwu.magisk.Config;
-import com.topjohnwu.magisk.model.worker.DelegateWorker;
-import com.topjohnwu.magisk.tasks.CheckUpdates;
-import com.topjohnwu.magisk.view.Notifications;
-import com.topjohnwu.superuser.Shell;
-
-public class UpdateCheckService extends DelegateWorker {
-
-    @NonNull
-    @Override
-    public ListenableWorker.Result doWork() {
-        if (App.foreground() == null) {
-            Shell.getShell();
-            CheckUpdates.check(this::onCheckDone);
-        }
-        return ListenableWorker.Result.success();
-    }
-
-    private void onCheckDone() {
-        if (BuildConfig.VERSION_CODE < Config.remoteManagerVersionCode) {
-            Notifications.managerUpdate();
-        } else if (Config.magiskVersionCode < Config.remoteMagiskVersionCode) {
-            Notifications.magiskUpdate();
-        }
-    }
-}

app/src/main/java/com/topjohnwu/magisk/model/update/UpdateCheckService.kt

@@ -0,0 +1,30 @@
+package com.topjohnwu.magisk.model.update
+
+import androidx.work.ListenableWorker
+import com.topjohnwu.magisk.BuildConfig
+import com.topjohnwu.magisk.Info
+import com.topjohnwu.magisk.data.repository.MagiskRepository
+import com.topjohnwu.magisk.extensions.inject
+import com.topjohnwu.magisk.model.worker.DelegateWorker
+import com.topjohnwu.magisk.view.Notifications
+import com.topjohnwu.superuser.Shell
+
+class UpdateCheckService : DelegateWorker() {
+
+    private val magiskRepo: MagiskRepository by inject()
+
+    override fun doWork(): ListenableWorker.Result {
+        // Make sure shell initializer was ran
+        Shell.getShell()
+        return runCatching {
+            magiskRepo.fetchUpdate().blockingGet()
+            if (BuildConfig.VERSION_CODE < Info.remote.app.versionCode)
+                Notifications.managerUpdate(applicationContext)
+            else if (Info.magiskVersionCode < Info.remote.magisk.versionCode)
+                Notifications.magiskUpdate(applicationContext)
+            ListenableWorker.Result.success()
+        }.getOrElse {
+            ListenableWorker.Result.failure()
+        }
+    }
+}

app/src/main/java/com/topjohnwu/magisk/model/worker/DelegateWorker.java

@@ -1,84 +0,0 @@
-package com.topjohnwu.magisk.model.worker;
-
-import android.content.Context;
-import android.net.Network;
-import android.net.Uri;
-
-import com.google.common.util.concurrent.ListenableFuture;
-
-import java.util.List;
-import java.util.Set;
-import java.util.UUID;
-
-import androidx.annotation.MainThread;
-import androidx.annotation.NonNull;
-import androidx.annotation.Nullable;
-import androidx.annotation.RequiresApi;
-import androidx.work.Data;
-import androidx.work.ListenableWorker;
-
-public abstract class DelegateWorker {
-
-    private ListenableWorker worker;
-
-    @NonNull
-    public abstract ListenableWorker.Result doWork();
-
-    public void onStopped() {}
-
-    public void setActualWorker(ListenableWorker w) {
-        worker = w;
-    }
-
-    @NonNull
-    public Context getApplicationContext() {
-        return worker.getApplicationContext();
-    }
-
-    @NonNull
-    public UUID getId() {
-        return worker.getId();
-    }
-
-    @NonNull
-    public Data getInputData() {
-        return worker.getInputData();
-    }
-
-    @NonNull
-    public Set<String> getTags() {
-        return worker.getTags();
-    }
-
-    @NonNull
-    @RequiresApi(24)
-    public List<Uri> getTriggeredContentUris() {
-        return worker.getTriggeredContentUris();
-    }
-
-    @NonNull
-    @RequiresApi(24)
-    public List<String> getTriggeredContentAuthorities() {
-        return worker.getTriggeredContentAuthorities();
-    }
-
-    @Nullable
-    @RequiresApi(28)
-    public Network getNetwork() {
-        return worker.getNetwork();
-    }
-
-    public int getRunAttemptCount() {
-        return worker.getRunAttemptCount();
-    }
-
-    @NonNull
-    @MainThread
-    public ListenableFuture<ListenableWorker.Result> startWork() {
-        return worker.startWork();
-    }
-
-    public boolean isStopped() {
-        return worker.isStopped();
-    }
-}

app/src/main/java/com/topjohnwu/magisk/model/worker/DelegateWorker.kt

@@ -0,0 +1,59 @@
+package com.topjohnwu.magisk.model.worker
+
+import android.content.Context
+import android.net.Network
+import android.net.Uri
+import androidx.annotation.MainThread
+import androidx.annotation.RequiresApi
+import androidx.work.Data
+import androidx.work.ListenableWorker
+import com.google.common.util.concurrent.ListenableFuture
+import java.util.*
+
+abstract class DelegateWorker {
+
+    private lateinit var worker: ListenableWorker
+
+    val applicationContext: Context
+        get() = worker.applicationContext
+
+    val id: UUID
+        get() = worker.id
+
+    val inputData: Data
+        get() = worker.inputData
+
+    val tags: Set<String>
+        get() = worker.tags
+
+    val triggeredContentUris: List<Uri>
+        @RequiresApi(24)
+        get() = worker.triggeredContentUris
+
+    val triggeredContentAuthorities: List<String>
+        @RequiresApi(24)
+        get() = worker.triggeredContentAuthorities
+
+    val network: Network?
+        @RequiresApi(28)
+        get() = worker.network
+
+    val runAttemptCount: Int
+        get() = worker.runAttemptCount
+
+    val isStopped: Boolean
+        get() = worker.isStopped
+
+    abstract fun doWork(): ListenableWorker.Result
+
+    fun onStopped() {}
+
+    fun attachWorker(w: ListenableWorker) {
+        worker = w
+    }
+
+    @MainThread
+    fun startWork(): ListenableFuture<ListenableWorker.Result> {
+        return worker.startWork()
+    }
+}

app/src/main/java/com/topjohnwu/magisk/model/zip/Zip.kt

@@ -0,0 +1,75 @@
+package com.topjohnwu.magisk.model.zip
+
+import com.topjohnwu.magisk.extensions.forEach
+import com.topjohnwu.magisk.extensions.withStreams
+import com.topjohnwu.superuser.io.SuFile
+import java.io.File
+import java.util.zip.ZipInputStream
+
+
+class Zip private constructor(private val values: Builder) {
+
+    companion object {
+        operator fun invoke(builder: Builder.() -> Unit): Zip {
+            return Zip(Builder().apply(builder))
+        }
+    }
+
+    class Builder {
+        lateinit var zip: File
+        lateinit var destination: File
+        var excludeDirs = true
+    }
+
+    data class Path(val path: String, val pullFromDir: Boolean = true)
+
+    fun unzip(vararg paths: Pair<String, Boolean>) =
+        unzip(*paths.map { Path(it.first, it.second) }.toTypedArray())
+
+    @Suppress("RedundantLambdaArrow")
+    fun unzip(vararg paths: Path) {
+        ensureRequiredParams()
+
+        values.zip.zipStream().use {
+            it.forEach { e ->
+                val currentPath = paths.firstOrNull { e.name.startsWith(it.path) }
+                val isDirectory = values.excludeDirs && e.isDirectory
+                if (currentPath == null || isDirectory) {
+                    // Ignore directories, only create files
+                    return@forEach
+                }
+
+                val name = if (currentPath.pullFromDir) {
+                    e.name.substring(e.name.lastIndexOf('/') + 1)
+                } else {
+                    e.name
+                }
+
+                val out = File(values.destination, name)
+                    .ensureExists()
+                    .outputStream()
+                //.suOutputStream()
+
+                withStreams(it, out) { reader, writer ->
+                    reader.copyTo(writer)
+                }
+            }
+        }
+    }
+
+    private fun ensureRequiredParams() {
+        if (!values.zip.exists()) {
+            throw RuntimeException("Zip file does not exist")
+        }
+    }
+
+    private fun File.ensureExists() =
+        if ((!parentFile.exists() && !parentFile.mkdirs()) || parentFile is SuFile) {
+            SuFile(parentFile, name).apply { parentFile.mkdirs() }
+        } else {
+            this
+        }
+
+    private fun File.zipStream() = ZipInputStream(inputStream())
+
+}

app/src/main/java/com/topjohnwu/magisk/tasks/CheckUpdates.java

@@ -1,132 +0,0 @@
-package com.topjohnwu.magisk.tasks;
-
-import android.os.SystemClock;
-
-import com.topjohnwu.magisk.Config;
-import com.topjohnwu.magisk.Const;
-import com.topjohnwu.magisk.utils.Event;
-import com.topjohnwu.net.Networking;
-import com.topjohnwu.net.Request;
-import com.topjohnwu.net.ResponseListener;
-import com.topjohnwu.superuser.ShellUtils;
-import com.topjohnwu.superuser.internal.UiThreadHandler;
-
-import org.json.JSONException;
-import org.json.JSONObject;
-
-public class CheckUpdates {
-
-    private static Request getRequest() {
-        String url;
-        switch ((int) Config.get(Config.Key.UPDATE_CHANNEL)) {
-            case Config.Value.BETA_CHANNEL:
-                url = Const.Url.BETA_URL;
-                break;
-            case Config.Value.CUSTOM_CHANNEL:
-                url = Config.get(Config.Key.CUSTOM_CHANNEL);
-                break;
-            case Config.Value.CANARY_CHANNEL:
-                url = Const.Url.CANARY_URL;
-                break;
-            case Config.Value.CANARY_DEBUG_CHANNEL:
-                url = Const.Url.CANARY_DEBUG_URL;
-                break;
-            default:
-                url = Const.Url.STABLE_URL;
-                break;
-        }
-        return Networking.get(url);
-    }
-
-    public static void check() {
-        check(null);
-    }
-
-    public static void check(Runnable cb) {
-        Request request = getRequest();
-        UpdateListener listener = new UpdateListener(cb);
-        if (ShellUtils.onMainThread()) {
-            request.getAsJSONObject(listener);
-        } else {
-            JSONObject json = request.execForJSONObject().getResult();
-            if (json != null)
-                listener.onResponse(json);
-        }
-    }
-
-    private static class UpdateListener implements ResponseListener<JSONObject> {
-
-        private Runnable cb;
-        private long start;
-
-        UpdateListener(Runnable callback) {
-            cb = callback;
-            start = SystemClock.uptimeMillis();
-        }
-
-        private int getInt(JSONObject json, String name, int defValue) {
-            if (json == null)
-                return defValue;
-            try {
-                return json.getInt(name);
-            } catch (JSONException e) {
-                return defValue;
-            }
-        }
-
-        private String getString(JSONObject json, String name, String defValue) {
-            if (json == null)
-                return defValue;
-            try {
-                return json.getString(name);
-            } catch (JSONException e) {
-                return defValue;
-            }
-        }
-
-        private JSONObject getJson(JSONObject json, String name) {
-            try {
-                return json.getJSONObject(name);
-            } catch (JSONException e) {
-                return null;
-            }
-        }
-
-        @Override
-        public void onResponse(JSONObject json) {
-            JSONObject magisk = getJson(json, "magisk");
-            Config.remoteMagiskVersionCode = getInt(magisk, "versionCode", -1);
-
-            if ((int) Config.get(Config.Key.UPDATE_CHANNEL) == Config.Value.DEFAULT_CHANNEL) {
-                if (Config.magiskVersionCode > Config.remoteMagiskVersionCode) {
-                    // If we are newer than current stable channel, switch to beta
-                    Config.set(Config.Key.UPDATE_CHANNEL, Config.Value.BETA_CHANNEL);
-                    check(cb);
-                    return;
-                } else {
-                    Config.set(Config.Key.UPDATE_CHANNEL, Config.Value.STABLE_CHANNEL);
-                }
-            }
-
-            Config.remoteMagiskVersionString = getString(magisk, "version", null);
-            Config.magiskLink = getString(magisk, "link", null);
-            Config.magiskNoteLink = getString(magisk, "note", null);
-            Config.magiskMD5 = getString(magisk, "md5", null);
-
-            JSONObject manager = getJson(json, "app");
-            Config.remoteManagerVersionString = getString(manager, "version", null);
-            Config.remoteManagerVersionCode = getInt(manager, "versionCode", -1);
-            Config.managerLink = getString(manager, "link", null);
-            Config.managerNoteLink = getString(manager, "note", null);
-
-            JSONObject uninstaller = getJson(json, "uninstaller");
-            Config.uninstallerLink = getString(uninstaller, "link", null);
-
-            UiThreadHandler.handler.postAtTime(() -> Event.trigger(Event.UPDATE_CHECK_DONE),
-                    start + 1000  /* Add artificial delay to let UI behave correctly */);
-
-            if (cb != null)
-                cb.run();
-        }
-    }
-}

app/src/main/java/com/topjohnwu/magisk/tasks/FlashZip.kt

@@ -1,12 +1,12 @@
 package com.topjohnwu.magisk.tasks
 
+import android.content.Context
 import android.net.Uri
 import com.skoumal.teanity.extensions.subscribeK
-import com.topjohnwu.magisk.App
 import com.topjohnwu.magisk.Const
-import com.topjohnwu.magisk.utils.fileName
-import com.topjohnwu.magisk.utils.inject
-import com.topjohnwu.magisk.utils.readUri
+import com.topjohnwu.magisk.extensions.fileName
+import com.topjohnwu.magisk.extensions.inject
+import com.topjohnwu.magisk.extensions.readUri
 import com.topjohnwu.magisk.utils.unzip
 import com.topjohnwu.superuser.Shell
 import io.reactivex.Single
@@ -20,8 +20,11 @@ abstract class FlashZip(
     private val logs: MutableList<String>
 ) {
 
-    private val app: App by inject()
-    private val tmpFile: File = File(app.cacheDir, "install.zip")
+    private val context: Context by inject()
+    private val installFolder = File(context.cacheDir, "flash").apply {
+        if (!exists()) mkdirs()
+    }
+    private val tmpFile: File = File(installFolder, "install.zip")
 
     @Throws(IOException::class)
     private fun unzipAndCheck(): Boolean {
@@ -40,7 +43,7 @@ abstract class FlashZip(
         console.add("- Copying zip to temp directory")
 
         runCatching {
-            app.readUri(mUri).use { input ->
+            context.readUri(mUri).use { input ->
                 tmpFile.outputStream().use { out -> input.copyTo(out) }
             }
         }.getOrElse {