Add v7.3.5 changelog

Fix #1912

.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

@@ -17,8 +17,8 @@ android {
         applicationId 'com.topjohnwu.magisk'
         vectorDrawables.useSupportLibrary = true
         multiDexEnabled true
-        versionName configProps['appVersion']
-        versionCode configProps['appVersionCode'] as Integer
+        versionName props['appVersion']
+        versionCode props['appVersionCode'] as Integer
     }
 
     buildTypes {
@@ -39,10 +39,14 @@ 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 {
@@ -51,21 +55,33 @@ androidExtensions {
 
 dependencies {
     implementation fileTree(include: ['*.jar'], dir: 'libs')
-    implementation project(':net')
     implementation project(':shared')
     implementation project(':signing')
 
     implementation 'com.github.topjohnwu:jtar:1.0.0'
     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 vMarkwon = '3.0.1'
-    implementation "ru.noties.markwon:core:${vMarkwon}"
-    implementation "ru.noties.markwon:html:${vMarkwon}"
-    implementation "ru.noties.markwon:image-svg:${vMarkwon}"
+    implementation 'io.reactivex.rxjava2:rxjava:2.2.13'
+    implementation 'io.reactivex.rxjava2:rxkotlin:2.4.0'
+    implementation 'io.reactivex.rxjava2:rxandroid:2.1.1'
 
-    def vLibsu = '2.5.0'
+    implementation "org.jetbrains.kotlin:kotlin-stdlib:${vKotlin}"
+    implementation "org.jetbrains.kotlin:kotlin-stdlib-jdk7:${vKotlin}"
+
+    def vBAdapt = '3.1.1'
+    def bindingAdapter = 'me.tatarka.bindingcollectionadapter2:bindingcollectionadapter'
+    implementation "${bindingAdapter}:${vBAdapt}"
+    implementation "${bindingAdapter}-recyclerview:${vBAdapt}"
+
+    def vMarkwon = '4.1.1'
+    implementation "io.noties.markwon:core:${vMarkwon}"
+    implementation "io.noties.markwon:html:${vMarkwon}"
+    implementation "io.noties.markwon:image:${vMarkwon}"
+    implementation 'com.caverock:androidsvg:1.4'
+
+    def vLibsu = '2.5.1'
     implementation "com.github.topjohnwu.libsu:core:${vLibsu}"
     implementation "com.github.topjohnwu.libsu:io:${vLibsu}"
 
@@ -74,12 +90,13 @@ dependencies {
     implementation "org.koin:koin-android:${vKoin}"
     implementation "org.koin:koin-androidx-viewmodel:${vKoin}"
 
-    def vRetrofit = "2.5.0"
+    def vRetrofit = '2.6.2'
     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 = "3.12.0"
+    def vOkHttp = '3.12.6'
     implementation "com.squareup.okhttp3:okhttp:${vOkHttp}"
     implementation "com.squareup.okhttp3:logging-interceptor:${vOkHttp}"
 
@@ -90,13 +107,27 @@ dependencies {
     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 = "2.2.0"
+    implementation "com.github.topjohnwu:room-runtime:${vRoom}"
+    kapt "androidx.room:room-compiler:${vRoom}"
+
+    def vNav = "2.1.0"
+    implementation "androidx.navigation:navigation-fragment-ktx:$vNav"
+    implementation "androidx.navigation:navigation-ui-ktx:$vNav"
+
     implementation 'androidx.constraintlayout:constraintlayout:1.1.3'
-    implementation 'androidx.browser:browser:1.0.0'
-    implementation 'androidx.preference:preference:1.0.0'
-    implementation 'androidx.recyclerview:recyclerview:1.1.0-alpha05'
+    implementation 'androidx.swiperefreshlayout:swiperefreshlayout:1.1.0-alpha03'
+    implementation 'androidx.preference:preference:1.1.0'
+    implementation 'androidx.recyclerview:recyclerview:1.1.0-beta05'
     implementation 'androidx.cardview:cardview:1.0.0'
-    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'
     implementation 'androidx.multidex:multidex:2.0.1'
-    implementation 'com.google.android.material:material:1.1.0-alpha06'
+    implementation 'androidx.core:core-ktx:1.1.0'
+    implementation 'com.google.android.material:material:1.1.0-beta01'
 }

app/proguard-rules.pro

@@ -16,13 +16,10 @@
 #   public *;
 #}
 
-# Retrofit classes
--keep,allowobfuscation class com.topjohnwu.magisk.data.network.*
-
 # 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);
 }
 
@@ -32,16 +29,13 @@
 }
 
 # DelegateWorker
--keep,allowobfuscation class * extends com.topjohnwu.magisk.model.worker.DelegateWorker
+-keep,allowobfuscation class * extends com.topjohnwu.magisk.base.DelegateWorker
 
 # BootSigner
 -keepclassmembers class com.topjohnwu.signing.BootSigner { *; }
 
 # Strip logging
 -assumenosideeffects class timber.log.Timber.Tree { *; }
--assumenosideeffects class com.topjohnwu.magisk.utils.Logger {
-  public *** debug(...);
-}
 
 # 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.base.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

@@ -1,32 +1,41 @@
 package com.topjohnwu.magisk
 
-import android.annotation.SuppressLint
-import android.app.Activity
 import android.app.Application
 import android.content.Context
 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 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.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.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
-
-    @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)
@@ -39,19 +48,7 @@ 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)
-
-        Networking.init(base)
+        registerActivityLifecycleCallbacks(get<ActivityTracker>())
         LocaleManager.setLocale(this)
     }
 
@@ -59,61 +56,4 @@ 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.kt

@@ -1,6 +1,6 @@
 package com.topjohnwu.magisk
 
-import com.topjohnwu.magisk.model.download.DownloadModuleService
+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
@@ -16,12 +16,11 @@ object ClassMap {
         FlashActivity::class.java to a.f::class.java,
         UpdateCheckService::class.java to a.g::class.java,
         GeneralReceiver::class.java to a.h::class.java,
-        DownloadModuleService::class.java to a.j::class.java,
+        DownloadService::class.java to a.j::class.java,
         SuRequestActivity::class.java to a.m::class.java
     )
 
-    @JvmStatic
-    operator fun get(c: Class<*>): Class<*>? {
-        return map.getOrElse(c) { null } //as? Class<T>
+    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

@@ -1,399 +0,0 @@
-package com.topjohnwu.magisk;
-
-import android.content.Context;
-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.annotation.Nullable;
-import androidx.collection.ArrayMap;
-
-import static com.topjohnwu.magisk.ConfigLeanback.getPrefs;
-import static com.topjohnwu.magisk.utils.XAndroidKt.getPackageName;
-
-public final class Config {
-
-    private static final ArrayMap<String, Object> defs = new ArrayMap<>();
-    public static int magiskVersionCode = -1;
-    // Current status
-    public static String magiskVersionString = "";
-    // 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;
-    }
-
-    private static boolean magiskHide = false;
-
-    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
-        getPrefs().edit().apply();
-        Context context = ConfigLeanback.getProtectedContext();
-        File xml = new File(context.getFilesDir().getParent() + "/shared_prefs",
-                getPackageName() + "_preferences.xml");
-        Shell.su(Utils.fmt("cat %s > /data/adb/%s", xml, Const.MANAGER_CONFIGS)).exec();
-    }
-
-    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();
-        }
-    }
-
-    public static void initialize() {
-        SharedPreferences pref = 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();
-    }
-
-    @SuppressWarnings("unchecked")
-    public static <T> T get(String key) {
-        switch (getConfigType(key)) {
-            case PREF_INT:
-                return (T) (Integer) getPrefs().getInt(key, getDef(key));
-            case PREF_STR_INT:
-                return (T) (Integer) Utils.getPrefsInt(getPrefs(), key, getDef(key));
-            case PREF_BOOL:
-                return (T) (Boolean) getPrefs().getBoolean(key, getDef(key));
-            case PREF_STR:
-                return (T) getPrefs().getString(key, getDef(key));
-            case DB_INT:
-                return (T) (Integer) ConfigLeanback.get(key, (Integer) getDef(key));
-            case DB_BOOL:
-                return (T) (Boolean) (ConfigLeanback.get(key, getDef(key) ? 1 : 0) != 0);
-            case DB_STR:
-                return (T) ConfigLeanback.get(key, getDef(key));
-        }
-        /* Will never get here (IllegalArgumentException in getConfigType) */
-        return null;
-    }
-
-    public static void set(String key, Object val) {
-        switch (getConfigType(key)) {
-            case PREF_INT:
-                getPrefs().edit().putInt(key, (int) val).apply();
-                break;
-            case PREF_STR_INT:
-                getPrefs().edit().putString(key, String.valueOf(val)).apply();
-                break;
-            case PREF_BOOL:
-                getPrefs().edit().putBoolean(key, (boolean) val).apply();
-                break;
-            case PREF_STR:
-                getPrefs().edit().putString(key, (String) val).apply();
-                break;
-            case DB_INT:
-                ConfigLeanback.put(key, (int) val);
-                break;
-            case DB_BOOL:
-                ConfigLeanback.put(key, (boolean) val ? 1 : 0);
-                break;
-            case DB_STR:
-                ConfigLeanback.put(key, (String) val);
-                break;
-        }
-    }
-
-    public static void remove(String key) {
-        switch (getConfigType(key)) {
-            case PREF_INT:
-            case PREF_STR_INT:
-            case PREF_BOOL:
-            case PREF_STR:
-                getPrefs().edit().remove(key).apply();
-                break;
-            case DB_BOOL:
-            case DB_INT:
-                ConfigLeanback.delete(key);
-                break;
-            case DB_STR:
-                ConfigLeanback.put(key, null);
-                break;
-        }
-    }
-
-    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);
-    }
-
-    @SuppressWarnings("unchecked")
-    @Nullable
-    private static <T> T getDef(String key) throws IllegalArgumentException {
-        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) {
-        for (String key : defs.keySet()) {
-            Object value = defs.get(key);
-            int type = getConfigType(key);
-            switch (type) {
-                case DB_INT:
-                    editor.putString(key, String.valueOf(ConfigLeanback.get(key, (Integer) value)));
-                    continue;
-                case DB_STR:
-                    editor.putString(key, ConfigLeanback.get(key, String.valueOf(value)));
-                    continue;
-                case DB_BOOL:
-                    int bs = ConfigLeanback.get(key, -1);
-                    editor.putBoolean(key, bs < 0 ? (Boolean) value : bs != 0);
-                    continue;
-            }
-            if (pref.contains(key))
-                continue;
-            switch (type) {
-                case PREF_INT:
-                    editor.putInt(key, (Integer) value);
-                    break;
-                case PREF_STR_INT:
-                    editor.putString(key, String.valueOf(value));
-                    break;
-                case PREF_STR:
-                    editor.putString(key, (String) value);
-                    break;
-                case PREF_BOOL:
-                    editor.putBoolean(key, (Boolean) value);
-                    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/ConfigLeanback.kt

@@ -1,52 +0,0 @@
-package com.topjohnwu.magisk
-
-import android.content.Context
-import android.content.SharedPreferences
-import androidx.annotation.AnyThread
-import androidx.annotation.WorkerThread
-import com.skoumal.teanity.extensions.subscribeK
-import com.topjohnwu.magisk.data.repository.SettingRepository
-import com.topjohnwu.magisk.data.repository.StringRepository
-import com.topjohnwu.magisk.di.Protected
-import com.topjohnwu.magisk.utils.inject
-
-object ConfigLeanback {
-
-    @JvmStatic
-    val protectedContext: Context by inject(Protected)
-    @JvmStatic
-    val prefs: SharedPreferences by inject()
-
-    private val settingRepo: SettingRepository by inject()
-    private val stringRepo: StringRepository by inject()
-
-    @JvmStatic
-    @AnyThread
-    fun put(key: String, value: Int) {
-        settingRepo.put(key, value).subscribeK()
-    }
-
-    @JvmStatic
-    @WorkerThread
-    fun get(key: String, defaultValue: Int): Int =
-        settingRepo.fetch(key, defaultValue).blockingGet()
-
-    @JvmStatic
-    @AnyThread
-    fun put(key: String, value: String?) {
-        val task = value?.let { stringRepo.put(key, it) } ?: stringRepo.delete(key)
-        task.subscribeK()
-    }
-
-    @JvmStatic
-    @WorkerThread
-    fun get(key: String, defaultValue: String?): String =
-        stringRepo.fetch(key, defaultValue.orEmpty()).blockingGet()
-
-    @JvmStatic
-    @AnyThread
-    fun delete(key: String) {
-        settingRepo.delete(key).subscribeK()
-    }
-
-}

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

@@ -1,44 +1,26 @@
 package com.topjohnwu.magisk
 
-import android.os.Environment
 import android.os.Process
-
 import java.io.File
 
 object Const {
 
-    const val DEBUG_TAG = "MagiskManager"
-
-    // APK content
-    const val ANDROID_MANIFEST = "AndroidManifest.xml"
-
-    const val SU_KEYSTORE_KEY = "su_key"
-
     // Paths
     const val MAGISK_PATH = "/sbin/.magisk/img"
-    @JvmField
-    val EXTERNAL_PATH: File =
-        Environment.getExternalStoragePublicDirectory(Environment.DIRECTORY_DOWNLOADS)
-    @JvmField
-    var MAGISK_DISABLE_FILE: File = File("xxx")
-
+    var MAGISK_DISABLE_FILE = File("xxx")
     const val TMP_FOLDER_PATH = "/dev/tmp"
     const val MAGISK_LOG = "/cache/magisk.log"
-    const val MANAGER_CONFIGS = ".tmp.magisk.config"
 
     // Versions
-    const val UPDATE_SERVICE_VER = 1
-    const val SNET_EXT_VER = 12
+    const val SNET_EXT_VER = 13
+    const val SNET_REVISION = "a6c47f86f10b310358afa9dbe837037dd5d561df"
+    const val BOOTCTL_REVISION = "a6c47f86f10b310358afa9dbe837037dd5d561df"
 
-    @JvmField
-    val USER_ID = Process.myUid() / 100000
-
-    // Generic
+    // Misc
+    const val ANDROID_MANIFEST = "AndroidManifest.xml"
     const val MAGISK_INSTALL_LOG_FILENAME = "magisk_install_log_%s.log"
-
-    init {
-        EXTERNAL_PATH.mkdirs()
-    }
+    const val MANAGER_CONFIGS = ".tmp.magisk.config"
+    val USER_ID = Process.myUid() / 100000
 
     object MagiskVersion {
         const val MIN_SUPPORT = 18000
@@ -59,36 +41,28 @@ object Const {
     }
 
     object Url {
-        @Deprecated("This shouldn't be used. There's literally no need for it")
-        const val REPO_URL =
-            "https://api.github.com/users/Magisk-Modules-Repo/repos?per_page=100&sort=pushed&page=%d"
-        const val FILE_URL = "https://raw.githubusercontent.com/Magisk-Modules-Repo/%s/master/%s"
         const val ZIP_URL = "https://github.com/Magisk-Modules-Repo/%s/archive/master.zip"
-        const val MODULE_INSTALLER =
-            "https://raw.githubusercontent.com/topjohnwu/Magisk/master/scripts/module_installer.sh"
         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"
-        @JvmField
-        val SNET_URL = getRaw("b66b1a914978e5f4c4bbfd74a59f4ad371bac107", "snet.apk")
-        @JvmField
-        val BOOTCTL_URL = getRaw("9c5dfc1b8245c0b5b524901ef0ff0f8335757b77", "bootctl")
 
-        private fun getRaw(where: String, name: String) =
-            "https://raw.githubusercontent.com/topjohnwu/magisk_files/%s/%s".format(where, name)
+        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_NAME = "filename"
-        const val INTENT_SET_LINK = "link"
+        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"
     }
@@ -101,5 +75,4 @@ object Const {
         const val UNINSTALL = "uninstall"
     }
 
-
 }

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

@@ -1,20 +0,0 @@
-package com.topjohnwu.magisk
-
-import android.os.Process
-
-object Constants {
-
-    // Paths
-    val MAGISK_PATH = "/sbin/.magisk/img"
-    val MAGISK_LOG = "/cache/magisk.log"
-
-    val USER_ID get() = Process.myUid() / 100000
-
-    const val SNET_REVISION = "b66b1a914978e5f4c4bbfd74a59f4ad371bac107"
-    const val BOOTCTL_REVISION = "9c5dfc1b8245c0b5b524901ef0ff0f8335757b77"
-
-    const val GITHUB_URL = "https://github.com/"
-    const val GITHUB_API_URL = "https://api.github.com/"
-    const val GITHUB_RAW_API_URL = "https://raw.githubusercontent.com/"
-
-}

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/KConfig.kt

@@ -1,47 +0,0 @@
-package com.topjohnwu.magisk
-
-import android.content.Context
-import com.topjohnwu.magisk.KConfig.UpdateChannel.STABLE
-import com.topjohnwu.magisk.di.Protected
-import com.topjohnwu.magisk.model.preference.PreferenceModel
-import com.topjohnwu.magisk.utils.inject
-
-object KConfig : PreferenceModel() {
-
-    override val context: Context by inject(Protected)
-    override val fileName: String = "${context.packageName}_preferences"
-
-    private var internalUpdateChannel by preference(Config.Key.UPDATE_CHANNEL, STABLE.id.toString())
-    var useCustomTabs by preference("useCustomTabs", true)
-    @JvmStatic
-    var customUpdateChannel by preference(Config.Key.CUSTOM_CHANNEL, "")
-
-    @JvmStatic
-    var updateChannel: UpdateChannel
-        get() = UpdateChannel.byId(internalUpdateChannel.toIntOrNull() ?: STABLE.id)
-        set(value) {
-            internalUpdateChannel = value.id.toString()
-        }
-
-    internal const val DEFAULT_CHANNEL = "topjohnwu/magisk_files"
-
-    enum class UpdateChannel(val id: Int) {
-
-        STABLE(Config.Value.STABLE_CHANNEL),
-        BETA(Config.Value.BETA_CHANNEL),
-        CANARY(Config.Value.CANARY_CHANNEL),
-        CANARY_DEBUG(Config.Value.CANARY_DEBUG_CHANNEL),
-        CUSTOM(Config.Value.CUSTOM_CHANNEL);
-
-        companion object {
-            fun byId(id: Int) = when (id) {
-                Config.Value.STABLE_CHANNEL -> STABLE
-                Config.Value.BETA_CHANNEL -> BETA
-                Config.Value.CUSTOM_CHANNEL -> CUSTOM
-                Config.Value.CANARY_CHANNEL -> CANARY
-                Config.Value.CANARY_DEBUG_CHANNEL -> CANARY_DEBUG
-                else -> STABLE
-            }
-        }
-    }
-}

app/src/main/java/com/topjohnwu/magisk/base/BaseActivity.kt

@@ -0,0 +1,123 @@
+package com.topjohnwu.magisk.base
+
+import android.Manifest
+import android.content.Context
+import android.content.Intent
+import android.content.pm.PackageManager
+import android.content.res.Configuration
+import android.os.Bundle
+import androidx.appcompat.app.AppCompatActivity
+import androidx.appcompat.app.AppCompatDelegate
+import androidx.collection.SparseArrayCompat
+import androidx.core.app.ActivityCompat
+import androidx.core.content.ContextCompat
+import androidx.databinding.DataBindingUtil
+import androidx.databinding.ViewDataBinding
+import com.topjohnwu.magisk.BR
+import com.topjohnwu.magisk.Config
+import com.topjohnwu.magisk.base.viewmodel.BaseViewModel
+import com.topjohnwu.magisk.extensions.set
+import com.topjohnwu.magisk.model.events.EventHandler
+import com.topjohnwu.magisk.model.permissions.PermissionRequestBuilder
+import com.topjohnwu.magisk.utils.LocaleManager
+import com.topjohnwu.magisk.utils.currentLocale
+import kotlin.random.Random
+
+typealias RequestCallback = BaseActivity<*, *>.(Int, Intent?) -> Unit
+
+abstract class BaseActivity<ViewModel : BaseViewModel, Binding : ViewDataBinding> :
+        AppCompatActivity(), EventHandler {
+
+    protected lateinit var binding: Binding
+    protected abstract val layoutRes: Int
+    protected abstract val viewModel: ViewModel
+    protected open val snackbarView get() = binding.root
+    protected open val navHostId: Int = 0
+    protected open val defaultPosition: Int = 0
+
+    private val resultCallbacks by lazy { SparseArrayCompat<RequestCallback>() }
+
+    init {
+        val theme = if (Config.darkTheme) {
+            AppCompatDelegate.MODE_NIGHT_YES
+        } else {
+            AppCompatDelegate.MODE_NIGHT_NO
+        }
+        AppCompatDelegate.setDefaultNightMode(theme)
+    }
+
+    override fun applyOverrideConfiguration(config: Configuration?) {
+        // Force applying our preferred local
+        config?.setLocale(currentLocale)
+        super.applyOverrideConfiguration(config)
+    }
+
+    override fun attachBaseContext(base: Context) {
+        super.attachBaseContext(LocaleManager.getLocaleContext(base))
+    }
+
+    override fun onCreate(savedInstanceState: Bundle?) {
+        super.onCreate(savedInstanceState)
+
+        viewModel.viewEvents.observe(this, viewEventObserver)
+
+        binding = DataBindingUtil.setContentView<Binding>(this, layoutRes).apply {
+            setVariable(BR.viewModel, viewModel)
+            lifecycleOwner = this@BaseActivity
+        }
+    }
+
+    fun withPermissions(vararg permissions: String, builder: PermissionRequestBuilder.() -> Unit) {
+        val request = PermissionRequestBuilder().apply(builder).build()
+        val ungranted = permissions.filter {
+            ContextCompat.checkSelfPermission(this, it) != PackageManager.PERMISSION_GRANTED
+        }
+
+        if (ungranted.isEmpty()) {
+            request.onSuccess()
+        } else {
+            val requestCode = Random.nextInt(256, 512)
+            resultCallbacks[requestCode] =  { result, _ ->
+                if (result > 0)
+                    request.onSuccess()
+                else
+                    request.onFailure()
+            }
+            ActivityCompat.requestPermissions(this, ungranted.toTypedArray(), requestCode)
+        }
+    }
+
+    fun withExternalRW(builder: PermissionRequestBuilder.() -> Unit) {
+        withPermissions(Manifest.permission.WRITE_EXTERNAL_STORAGE, builder = builder)
+    }
+
+    override fun onRequestPermissionsResult(
+            requestCode: Int, permissions: Array<out String>, grantResults: IntArray) {
+        var success = true
+        for (res in grantResults) {
+            if (res != PackageManager.PERMISSION_GRANTED) {
+                success = false
+                break
+            }
+        }
+        resultCallbacks[requestCode]?.apply {
+            resultCallbacks.remove(requestCode)
+            invoke(this@BaseActivity, if (success) 1 else -1, null)
+        }
+
+    }
+
+    override fun onActivityResult(requestCode: Int, resultCode: Int, data: Intent?) {
+        super.onActivityResult(requestCode, resultCode, data)
+        resultCallbacks[requestCode]?.apply {
+            resultCallbacks.remove(requestCode)
+            invoke(this@BaseActivity, resultCode, data)
+        }
+    }
+
+    fun startActivityForResult(intent: Intent, requestCode: Int, listener: RequestCallback) {
+        resultCallbacks[requestCode] = listener
+        startActivityForResult(intent, requestCode)
+    }
+
+}

app/src/main/java/com/topjohnwu/magisk/base/BaseFragment.kt

@@ -0,0 +1,50 @@
+package com.topjohnwu.magisk.base
+
+import android.os.Bundle
+import android.view.LayoutInflater
+import android.view.View
+import android.view.ViewGroup
+import androidx.annotation.CallSuper
+import androidx.databinding.DataBindingUtil
+import androidx.databinding.ViewDataBinding
+import androidx.fragment.app.Fragment
+import com.topjohnwu.magisk.BR
+import com.topjohnwu.magisk.base.viewmodel.BaseViewModel
+import com.topjohnwu.magisk.model.events.EventHandler
+import com.topjohnwu.magisk.model.events.ViewEvent
+
+abstract class BaseFragment<ViewModel : BaseViewModel, Binding : ViewDataBinding> :
+    Fragment(), EventHandler {
+
+    protected val activity get() = requireActivity() as BaseActivity<*, *>
+    protected lateinit var binding: Binding
+    protected abstract val layoutRes: Int
+    protected abstract val viewModel: ViewModel
+
+    override fun onCreate(savedInstanceState: Bundle?) {
+        super.onCreate(savedInstanceState)
+        viewModel.viewEvents.observe(this, viewEventObserver)
+    }
+
+    override fun onCreateView(
+            inflater: LayoutInflater,
+            container: ViewGroup?,
+            savedInstanceState: Bundle?
+    ): View? {
+        binding = DataBindingUtil.inflate<Binding>(inflater, layoutRes, container, false).apply {
+            setVariable(BR.viewModel, viewModel)
+            lifecycleOwner = this@BaseFragment
+        }
+
+        return binding.root
+    }
+
+    @CallSuper
+    override fun onEventDispatched(event: ViewEvent) {
+        super.onEventDispatched(event)
+        activity.onEventDispatched(event)
+    }
+
+    open fun onBackPressed(): Boolean = false
+
+}

app/src/main/java/com/topjohnwu/magisk/base/BasePreferenceFragment.kt

@@ -0,0 +1,56 @@
+package com.topjohnwu.magisk.base
+
+import android.annotation.SuppressLint
+import android.content.SharedPreferences
+import android.os.Bundle
+import android.view.LayoutInflater
+import android.view.View
+import android.view.ViewGroup
+import androidx.preference.*
+import androidx.recyclerview.widget.RecyclerView
+import org.koin.android.ext.android.inject
+
+abstract class BasePreferenceFragment : PreferenceFragmentCompat(),
+    SharedPreferences.OnSharedPreferenceChangeListener {
+
+    protected val prefs: SharedPreferences by inject()
+    protected val activity get() = requireActivity() as BaseActivity<*, *>
+
+    override fun onCreateView(
+        inflater: LayoutInflater,
+        container: ViewGroup?,
+        savedInstanceState: Bundle?
+    ): View? {
+        val v = super.onCreateView(inflater, container, savedInstanceState)
+        prefs.registerOnSharedPreferenceChangeListener(this)
+        return v
+    }
+
+    override fun onDestroyView() {
+        prefs.unregisterOnSharedPreferenceChangeListener(this)
+        super.onDestroyView()
+    }
+
+    private fun setAllPreferencesToAvoidHavingExtraSpace(preference: Preference) {
+        preference.isIconSpaceReserved = false
+        if (preference is PreferenceGroup)
+            for (i in 0 until preference.preferenceCount)
+                setAllPreferencesToAvoidHavingExtraSpace(preference.getPreference(i))
+    }
+
+    override fun setPreferenceScreen(preferenceScreen: PreferenceScreen?) {
+        if (preferenceScreen != null)
+            setAllPreferencesToAvoidHavingExtraSpace(preferenceScreen)
+        super.setPreferenceScreen(preferenceScreen)
+    }
+
+    override fun onCreateAdapter(preferenceScreen: PreferenceScreen?): RecyclerView.Adapter<*> =
+            object : PreferenceGroupAdapter(preferenceScreen) {
+                @SuppressLint("RestrictedApi")
+                override fun onPreferenceHierarchyChange(preference: Preference?) {
+                    if (preference != null)
+                        setAllPreferencesToAvoidHavingExtraSpace(preference)
+                    super.onPreferenceHierarchyChange(preference)
+                }
+            }
+}

app/src/main/java/com/topjohnwu/magisk/base/DelegateWorker.kt

@@ -0,0 +1,59 @@
+package com.topjohnwu.magisk.base
+
+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/base/viewmodel/BaseViewModel.kt

@@ -1,16 +1,29 @@
-package com.topjohnwu.magisk.ui.base
+package com.topjohnwu.magisk.base.viewmodel
 
 import android.app.Activity
-import com.skoumal.teanity.extensions.doOnSubscribeUi
-import com.skoumal.teanity.viewmodel.LoadingViewModel
+import com.github.pwittchen.reactivenetwork.library.rx2.ReactiveNetwork
+import com.topjohnwu.magisk.extensions.doOnSubscribeUi
+import com.topjohnwu.magisk.extensions.get
+import com.topjohnwu.magisk.extensions.subscribeK
 import com.topjohnwu.magisk.model.events.BackPressEvent
 import com.topjohnwu.magisk.model.events.PermissionEvent
 import com.topjohnwu.magisk.model.events.ViewActionEvent
+import com.topjohnwu.magisk.utils.KObservableField
 import io.reactivex.Observable
 import io.reactivex.subjects.PublishSubject
 
 
-abstract class MagiskViewModel : LoadingViewModel() {
+abstract class BaseViewModel(
+    initialState: State = State.LOADING
+) : LoadingViewModel(initialState) {
+
+    val isConnected = KObservableField(false)
+
+    init {
+        ReactiveNetwork.observeNetworkConnectivity(get())
+            .subscribeK { isConnected.value = it.available() }
+            .add()
+    }
 
     fun withView(action: Activity.() -> Unit) {
         ViewActionEvent(action).publish()

app/src/main/java/com/topjohnwu/magisk/base/viewmodel/LoadingViewModel.kt

@@ -0,0 +1,78 @@
+package com.topjohnwu.magisk.base.viewmodel
+
+import androidx.databinding.Bindable
+import com.topjohnwu.magisk.BR
+import io.reactivex.*
+
+abstract class LoadingViewModel(defaultState: State = State.LOADING) :
+    StatefulViewModel<LoadingViewModel.State>(defaultState) {
+
+    val loading @Bindable get() = state == State.LOADING
+    val loaded @Bindable get() = state == State.LOADED
+    val loadingFailed @Bindable get() = state == State.LOADING_FAILED
+
+    @Deprecated(
+        "Direct access is recommended since 0.2. This access method will be removed in 1.0",
+        ReplaceWith("state = State.LOADING", "com.topjohnwu.magisk.base.viewmodel.LoadingViewModel.State"),
+        DeprecationLevel.WARNING
+    )
+    fun setLoading() {
+        state = State.LOADING
+    }
+
+    @Deprecated(
+        "Direct access is recommended since 0.2. This access method will be removed in 1.0",
+        ReplaceWith("state = State.LOADED", "com.topjohnwu.magisk.base.viewmodel.LoadingViewModel.State"),
+        DeprecationLevel.WARNING
+    )
+    fun setLoaded() {
+        state = State.LOADED
+    }
+
+    @Deprecated(
+        "Direct access is recommended since 0.2. This access method will be removed in 1.0",
+        ReplaceWith("state = State.LOADING_FAILED", "com.topjohnwu.magisk.base.viewmodel.LoadingViewModel.State"),
+        DeprecationLevel.WARNING
+    )
+    fun setLoadingFailed() {
+        state = State.LOADING_FAILED
+    }
+
+    override fun notifyStateChanged() {
+        notifyPropertyChanged(BR.loading)
+        notifyPropertyChanged(BR.loaded)
+        notifyPropertyChanged(BR.loadingFailed)
+    }
+
+    enum class State {
+        LOADED, LOADING, LOADING_FAILED
+    }
+
+    //region Rx
+    protected fun <T> Observable<T>.applyViewModel(viewModel: LoadingViewModel, allowFinishing: Boolean = true) =
+        doOnSubscribe { viewModel.state = State.LOADING }
+            .doOnError { viewModel.state = State.LOADING_FAILED }
+            .doOnNext { if (allowFinishing) viewModel.state = State.LOADED }
+
+    protected fun <T> Single<T>.applyViewModel(viewModel: LoadingViewModel, allowFinishing: Boolean = true) =
+        doOnSubscribe { viewModel.state = State.LOADING }
+            .doOnError { viewModel.state = State.LOADING_FAILED }
+            .doOnSuccess { if (allowFinishing) viewModel.state = State.LOADED }
+
+    protected fun <T> Maybe<T>.applyViewModel(viewModel: LoadingViewModel, allowFinishing: Boolean = true) =
+        doOnSubscribe { viewModel.state = State.LOADING }
+            .doOnError { viewModel.state = State.LOADING_FAILED }
+            .doOnComplete { if (allowFinishing) viewModel.state = State.LOADED }
+            .doOnSuccess { if (allowFinishing) viewModel.state = State.LOADED }
+
+    protected fun <T> Flowable<T>.applyViewModel(viewModel: LoadingViewModel, allowFinishing: Boolean = true) =
+        doOnSubscribe { viewModel.state = State.LOADING }
+            .doOnError { viewModel.state = State.LOADING_FAILED }
+            .doOnNext { if (allowFinishing) viewModel.state = State.LOADED }
+
+    protected fun Completable.applyViewModel(viewModel: LoadingViewModel, allowFinishing: Boolean = true) =
+        doOnSubscribe { viewModel.state = State.LOADING }
+            .doOnError { viewModel.state = State.LOADING_FAILED }
+            .doOnComplete { if (allowFinishing) viewModel.state = State.LOADED }
+    //endregion
+}

app/src/main/java/com/topjohnwu/magisk/base/viewmodel/ObservableViewModel.kt

@@ -0,0 +1,46 @@
+package com.topjohnwu.magisk.base.viewmodel
+
+import androidx.databinding.Observable
+import androidx.databinding.PropertyChangeRegistry
+import androidx.lifecycle.ViewModel
+
+/**
+ * Copy of [android.databinding.BaseObservable] which extends [ViewModel]
+ */
+abstract class ObservableViewModel : TeanityViewModel(), Observable {
+
+    @Transient
+    private var callbacks: PropertyChangeRegistry? = null
+
+    @Synchronized
+    override fun addOnPropertyChangedCallback(callback: Observable.OnPropertyChangedCallback) {
+        if (callbacks == null) {
+            callbacks = PropertyChangeRegistry()
+        }
+        callbacks?.add(callback)
+    }
+
+    @Synchronized
+    override fun removeOnPropertyChangedCallback(callback: Observable.OnPropertyChangedCallback) {
+        callbacks?.remove(callback)
+    }
+
+    /**
+     * Notifies listeners that all properties of this instance have changed.
+     */
+    @Synchronized
+    fun notifyChange() {
+        callbacks?.notifyCallbacks(this, 0, null)
+    }
+
+    /**
+     * Notifies listeners that a specific property has changed. The getter for the property
+     * that changes should be marked with [android.databinding.Bindable] to generate a field in
+     * `BR` to be used as `fieldId`.
+     *
+     * @param fieldId The generated BR id for the Bindable field.
+     */
+    fun notifyPropertyChanged(fieldId: Int) {
+        callbacks?.notifyCallbacks(this, fieldId, null)
+    }
+}

app/src/main/java/com/topjohnwu/magisk/base/viewmodel/StatefulViewModel.kt

@@ -0,0 +1,15 @@
+package com.topjohnwu.magisk.base.viewmodel
+
+abstract class StatefulViewModel<State : Enum<*>>(
+    val defaultState: State
+) : ObservableViewModel() {
+
+    var state: State = defaultState
+        set(value) {
+            field = value
+            notifyStateChanged()
+        }
+
+    open fun notifyStateChanged() = Unit
+
+}

app/src/main/java/com/topjohnwu/magisk/base/viewmodel/TeanityViewModel.kt

@@ -0,0 +1,33 @@
+package com.topjohnwu.magisk.base.viewmodel
+
+import androidx.lifecycle.LiveData
+import androidx.lifecycle.MutableLiveData
+import androidx.lifecycle.ViewModel
+import com.topjohnwu.magisk.model.events.SimpleViewEvent
+import com.topjohnwu.magisk.model.events.ViewEvent
+import io.reactivex.disposables.CompositeDisposable
+import io.reactivex.disposables.Disposable
+
+abstract class TeanityViewModel : ViewModel() {
+
+    private val disposables = CompositeDisposable()
+    private val _viewEvents = MutableLiveData<ViewEvent>()
+    val viewEvents: LiveData<ViewEvent> get() = _viewEvents
+
+    override fun onCleared() {
+        super.onCleared()
+        disposables.clear()
+    }
+
+    fun <Event : ViewEvent> Event.publish() {
+        _viewEvents.value = this
+    }
+
+    fun Int.publish() {
+        _viewEvents.value = SimpleViewEvent(this)
+    }
+
+    fun Disposable.add() {
+        disposables.add(this)
+    }
+}

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

@@ -1,6 +1,5 @@
 package com.topjohnwu.magisk.data.database
 
-import com.topjohnwu.magisk.Config
 import com.topjohnwu.magisk.data.database.base.*
 import com.topjohnwu.magisk.model.entity.MagiskLog
 import com.topjohnwu.magisk.model.entity.toLog
@@ -12,7 +11,7 @@ class LogDao : BaseDao() {
     override val table = DatabaseDefinition.Table.LOG
 
     fun deleteOutdated(
-        suTimeout: Long = Config.suLogTimeout * TimeUnit.DAYS.toMillis(1)
+        suTimeout: Long = TimeUnit.DAYS.toMillis(14)
     ) = query<Delete> {
         condition {
             lessThan("time", suTimeout.toString())

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

@@ -2,12 +2,13 @@ package com.topjohnwu.magisk.data.database
 
 import android.content.Context
 import android.content.pm.PackageManager
-import com.topjohnwu.magisk.Constants
+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 com.topjohnwu.magisk.utils.now
+import timber.log.Timber
 import java.util.concurrent.TimeUnit
 
 
@@ -47,12 +48,7 @@ class PolicyDao(
         condition {
             equals("uid", uid)
         }
-    }.map { it.firstOrNull()?.toPolicy(context.packageManager) }
-        .doOnError {
-            if (it is PackageManager.NameNotFoundException) {
-                delete(uid).subscribe()
-            }
-        }
+    }.map { it.first().toPolicySafe() }
 
     fun update(policy: MagiskPolicy) = query<Replace> {
         values(policy.toMap())
@@ -60,10 +56,20 @@ class PolicyDao(
 
     fun fetchAll() = query<Select> {
         condition {
-            equals("uid/100000", Constants.USER_ID)
+            equals("uid/100000", Const.USER_ID)
         }
-    }.flattenAsFlowable { it }
-        .map { it.toPolicy(context.packageManager) }
-        .toList()
+    }.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

@@ -1,118 +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;
-
-@Deprecated
-public class RepoDatabaseHelper extends SQLiteOpenHelper {
-
-    private static final int DATABASE_VER = 5;
-    private static final String TABLE_NAME = "repos";
-
-    private final SQLiteDatabase mDb;
-
-    @Deprecated
-    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);
-    }
-
-    @Deprecated
-    public void clearRepo() {
-        mDb.delete(TABLE_NAME, null, null);
-    }
-
-
-    @Deprecated
-    public void removeRepo(String id) {
-        mDb.delete(TABLE_NAME, "id=?", new String[]{id});
-    }
-
-    @Deprecated
-    public void removeRepo(Repo repo) {
-        removeRepo(repo.getId());
-    }
-
-    @Deprecated
-    public void removeRepo(Iterable<String> list) {
-        for (String id : list) {
-            if (id == null) continue;
-            mDb.delete(TABLE_NAME, "id=?", new String[]{id});
-        }
-    }
-
-    @Deprecated
-    public void addRepo(Repo repo) {
-        mDb.replace(TABLE_NAME, null, repo.getContentValues());
-    }
-
-    @Deprecated
-    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;
-    }
-
-    @Deprecated
-    public Cursor getRawCursor() {
-        return mDb.query(TABLE_NAME, null, null, null, null, null, null);
-    }
-
-    @Deprecated
-    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);
-    }
-
-    @Deprecated
-    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

@@ -10,11 +10,12 @@ class SettingsDao : BaseDao() {
         condition { equals("key", key) }
     }.ignoreElement()
 
-    fun put(key: String, value: Int) = query<Insert> {
-        values(key to value.toString())
+    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

@@ -10,8 +10,8 @@ class StringDao : BaseDao() {
         condition { equals("key", key) }
     }.ignoreElement()
 
-    fun put(key: String, value: String) = query<Insert> {
-        values(key to value)
+    fun put(key: String, value: String) = query<Replace> {
+        values("key" to key, "value" to value)
     }.ignoreElement()
 
     fun fetch(key: String, default: String = "") = query<Select> {

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

@@ -32,11 +32,7 @@ class Delete : MagiskQueryBuilder {
     }
 
     override fun toString(): String {
-        return StringBuilder()
-            .appendln(requestType)
-            .appendln(table)
-            .appendln(condition)
-            .toString()
+        return listOf(requestType, table, condition).joinToString(" ")
     }
 }
 
@@ -65,13 +61,7 @@ class Select : MagiskQueryBuilder {
     }
 
     override fun toString(): String {
-        return StringBuilder()
-            .appendln(requestType)
-            .appendln(table)
-            .appendln(condition)
-            .appendln(orderField)
-            .toString()
-            .replace("\n", " ")
+        return listOf(requestType, table, condition, orderField).joinToString(" ")
     }
 }
 
@@ -84,23 +74,25 @@ open class Insert : MagiskQueryBuilder {
     override lateinit var table: String
 
     private val keys get() = _values.keys.joinToString(",")
-    private val values get() = _values.values.joinToString(",") { "\"$it\"" }
-    private var _values: Map<String, String> = mapOf()
+    private val values get() = _values.values.joinToString(",") {
+        when (it) {
+            is Boolean -> if (it) "1" else "0"
+            is Number -> it.toString()
+            else -> "\"$it\""
+        }
+    }
+    private var _values: Map<String, Any> = mapOf()
 
-    fun values(vararg pairs: Pair<String, String>) {
+    fun values(vararg pairs: Pair<String, Any>) {
         _values = pairs.toMap()
     }
 
-    fun values(values: Map<String, String>) {
+    fun values(values: Map<String, Any>) {
         _values = values
     }
 
     override fun toString(): String {
-        return StringBuilder()
-            .appendln(requestType)
-            .appendln(table)
-            .appendln("($keys) VALUES($values)")
-            .toString()
+        return listOf(requestType, table, "($keys) VALUES($values)").joinToString(" ")
     }
 }
 

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

@@ -1,63 +0,0 @@
-package com.topjohnwu.magisk.data.network
-
-import com.topjohnwu.magisk.Constants
-import com.topjohnwu.magisk.KConfig
-import com.topjohnwu.magisk.model.entity.MagiskConfig
-import io.reactivex.Single
-import okhttp3.ResponseBody
-import retrofit2.http.GET
-import retrofit2.http.Path
-import retrofit2.http.Streaming
-import retrofit2.http.Url
-
-
-interface GithubRawApiServices {
-
-    //region topjohnwu/magisk_files
-
-    @GET("$MAGISK_FILES/master/stable.json")
-    fun fetchConfig(): Single<MagiskConfig>
-
-    @GET("$MAGISK_FILES/master/beta.json")
-    fun fetchBetaConfig(): Single<MagiskConfig>
-
-    @GET("$MAGISK_FILES/master/canary_builds/release.json")
-    fun fetchCanaryConfig(): Single<MagiskConfig>
-
-    @GET("$MAGISK_FILES/master/canary_builds/canary.json")
-    fun fetchCanaryDebugConfig(): Single<MagiskConfig>
-
-    @GET
-    fun fetchCustomConfig(@Url url: String): Single<MagiskConfig>
-
-    @GET("$MAGISK_FILES/{$REVISION}/snet.apk")
-    @Streaming
-    fun fetchSafetynet(@Path(REVISION) revision: String = Constants.SNET_REVISION): Single<ResponseBody>
-
-    @GET("$MAGISK_FILES/{$REVISION}/bootctl")
-    @Streaming
-    fun fetchBootctl(@Path(REVISION) revision: String = Constants.BOOTCTL_REVISION): Single<ResponseBody>
-
-    //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>
-
-
-    companion object {
-        private const val REVISION = "revision"
-        private const val MODULE = "module"
-        private const val FILE = "file"
-
-
-        private const val MAGISK_FILES = KConfig.DEFAULT_CHANNEL
-        private const val MAGISK_MASTER = "topjohnwu/Magisk/master"
-        private const val MAGISK_MODULES = "Magisk-Modules-Repo"
-    }
-
-}

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("$MAGISK_FILES/canary/release.json")
+    fun fetchCanaryUpdate(): Single<UpdateInfo>
+
+    @GET("$MAGISK_FILES/canary/debug.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/AppRepository.kt

@@ -1,15 +0,0 @@
-package com.topjohnwu.magisk.data.repository
-
-import com.topjohnwu.magisk.data.database.PolicyDao
-import com.topjohnwu.magisk.model.entity.MagiskPolicy
-
-class AppRepository(private val policyDao: PolicyDao) {
-
-    fun deleteOutdated() = policyDao.deleteOutdated()
-    fun delete(packageName: String) = policyDao.delete(packageName)
-    fun delete(uid: Int) = policyDao.delete(uid)
-    fun fetch(uid: Int) = policyDao.fetch(uid)
-    fun fetchAll() = policyDao.fetchAll()
-    fun update(policy: MagiskPolicy) = policyDao.update(policy)
-
-}

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

@@ -1,14 +1,12 @@
 package com.topjohnwu.magisk.data.repository
 
 import com.topjohnwu.magisk.Const
-import com.topjohnwu.magisk.Constants
 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.magisk.utils.toSingle
 import com.topjohnwu.superuser.Shell
-import timber.log.Timber
 import java.util.concurrent.TimeUnit
 
 
@@ -20,9 +18,8 @@ class LogRepository(
         .map { it.sortByDescending { it.date.time }; it }
         .map { it.wrap() }
 
-    fun fetchMagiskLogs() = "tail -n 5000 ${Constants.MAGISK_LOG}".suRaw()
+    fun fetchMagiskLogs() = "tail -n 5000 ${Const.MAGISK_LOG}".suRaw()
         .filter { it.isNotEmpty() }
-        .map { Timber.i(it.toString()); it }
 
     fun clearLogs() = logDao.deleteAll()
     fun clearOutdated() = logDao.deleteOutdated()

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

@@ -1,86 +1,49 @@
 package com.topjohnwu.magisk.data.repository
 
-import android.content.Context
 import android.content.pm.PackageManager
-import com.topjohnwu.magisk.App
 import com.topjohnwu.magisk.Config
-import com.topjohnwu.magisk.KConfig
+import com.topjohnwu.magisk.Info
 import com.topjohnwu.magisk.data.database.base.su
-import com.topjohnwu.magisk.data.database.base.suRaw
-import com.topjohnwu.magisk.data.network.GithubRawApiServices
+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.magisk.model.entity.Version
-import com.topjohnwu.magisk.utils.Utils
-import com.topjohnwu.magisk.utils.inject
-import com.topjohnwu.magisk.utils.toSingle
-import com.topjohnwu.magisk.utils.writeToFile
 import com.topjohnwu.superuser.Shell
 import io.reactivex.Single
-import io.reactivex.functions.BiFunction
 
 class MagiskRepository(
-    private val context: Context,
-    private val apiRaw: GithubRawApiServices,
-    private val packageManager: PackageManager
+        private val apiRaw: GithubRawServices,
+        private val packageManager: PackageManager
 ) {
 
-    fun fetchMagisk() = fetchConfig()
-        .flatMap { apiRaw.fetchFile(it.magisk.link) }
-        .map { it.writeToFile(context, FILE_MAGISK_ZIP) }
+    fun fetchSafetynet() = apiRaw.fetchSafetynet()
 
-    fun fetchManager() = fetchConfig()
-        .flatMap { apiRaw.fetchFile(it.app.link) }
-        .map { it.writeToFile(context, FILE_MAGISK_APK) }
-
-    fun fetchUninstaller() = fetchConfig()
-        .flatMap { apiRaw.fetchFile(it.uninstaller.link) }
-        .map { it.writeToFile(context, FILE_UNINSTALLER_ZIP) }
-
-    fun fetchSafetynet() = apiRaw
-        .fetchSafetynet()
-        .map { it.writeToFile(context, FILE_SAFETY_NET_APK) }
-
-    fun fetchBootctl() = apiRaw
-        .fetchBootctl()
-        .map { it.writeToFile(context, FILE_BOOTCTL_SH) }
-
-
-    fun fetchConfig() = when (KConfig.updateChannel) {
-        KConfig.UpdateChannel.STABLE -> apiRaw.fetchConfig()
-        KConfig.UpdateChannel.BETA -> apiRaw.fetchBetaConfig()
-        KConfig.UpdateChannel.CANARY -> apiRaw.fetchCanaryConfig()
-        KConfig.UpdateChannel.CANARY_DEBUG -> apiRaw.fetchCanaryDebugConfig()
-        KConfig.UpdateChannel.CUSTOM -> apiRaw.fetchCustomConfig(KConfig.customUpdateChannel)
-    }
-    .doOnSuccess {
-        Config.remoteMagiskVersionCode = it.magisk.versionCode.toIntOrNull() ?: -1
-        Config.magiskLink = it.magisk.link
-        Config.magiskNoteLink = it.magisk.note
-        Config.magiskMD5 = it.magisk.hash
-        Config.remoteManagerVersionCode = it.app.versionCode.toIntOrNull() ?: -1
-        Config.remoteManagerVersionString = it.app.version
-        Config.managerLink = it.app.link
-        Config.managerNoteLink = it.app.note
-        Config.uninstallerLink = it.uninstaller.link
-    }
-
-
-    fun fetchMagiskVersion(): Single<Version> = Single.zip(
-        fetchMagiskVersionName(),
-        fetchMagiskVersionCode(),
-        BiFunction { versionName, versionCode ->
-            Version(versionName, versionCode)
+    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 = Utils.getAppLabel(it, packageManager)
+                val label = it.getLabel(packageManager)
                 val icon = it.loadIcon(packageManager)
                 HideAppInfo(it, label, icon)
             }
@@ -93,30 +56,14 @@ class MagiskRepository(
         .map { HideTarget(it) }
         .toList()
 
-    private fun fetchMagiskVersionName() = "magisk -v".suRaw()
-        .map { it.first() }
-        .map { it.substring(0 until it.indexOf(":")) }
-        .onErrorReturn { "Unknown" }
-
-    private fun fetchMagiskVersionCode() = "magisk -V".suRaw()
-        .map { it.first() }
-        .map { it.toIntOrNull() ?: -1 }
-        .onErrorReturn { -1 }
-
     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 {
-        const val FILE_MAGISK_ZIP = "magisk.zip"
-        const val FILE_MAGISK_APK = "magisk.apk"
-        const val FILE_UNINSTALLER_ZIP = "uninstaller.zip"
-        const val FILE_SAFETY_NET_APK = "safetynet.apk"
-        const val FILE_BOOTCTL_SH = "bootctl"
-
-        private val blacklist = listOf(
-            let { val app: App by inject(); app }.packageName,
+        private val blacklist by lazy { listOf(
+            packageName,
             "android",
             "com.android.chrome",
             "com.chrome.beta",
@@ -124,7 +71,7 @@ class MagiskRepository(
             "com.chrome.canary",
             "com.android.webview",
             "com.google.android.webview"
-        )
+        ) }
     }
 
 }

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

@@ -1,11 +0,0 @@
-package com.topjohnwu.magisk.data.repository
-
-import com.topjohnwu.magisk.data.database.SettingsDao
-
-class SettingRepository(private val settingsDao: SettingsDao) {
-
-    fun fetch(key: String, default: Int) = settingsDao.fetch(key, default)
-    fun put(key: String, value: Int) = settingsDao.put(key, value)
-    fun delete(key: String) = settingsDao.delete(key)
-
-}

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

@@ -1,11 +1,15 @@
 package com.topjohnwu.magisk.data.repository
 
-import com.topjohnwu.magisk.data.database.StringDao
+import com.topjohnwu.magisk.data.network.GithubRawServices
+import com.topjohnwu.magisk.model.entity.module.Repo
 
-class StringRepository(private val stringDao: StringDao) {
+class StringRepository(
+    private val api: GithubRawServices
+) {
 
-    fun fetch(key: String, default: String) = stringDao.fetch(key, default)
-    fun put(key: String, value: String) = stringDao.put(key, value)
-    fun delete(key: String) = stringDao.delete(key)
+    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/databinding/AdaptersGeneric.kt

@@ -0,0 +1,26 @@
+package com.topjohnwu.magisk.databinding
+
+import android.view.View
+import androidx.core.view.isGone
+import androidx.core.view.isInvisible
+import androidx.databinding.BindingAdapter
+
+@BindingAdapter("gone")
+fun setGone(view: View, gone: Boolean) {
+    view.isGone = gone
+}
+
+@BindingAdapter("invisible")
+fun setInvisible(view: View, invisible: Boolean) {
+    view.isInvisible = invisible
+}
+
+@BindingAdapter("goneUnless")
+fun setGoneUnless(view: View, goneUnless: Boolean) {
+    setGone(view, goneUnless.not())
+}
+
+@BindingAdapter("invisibleUnless")
+fun setInvisibleUnless(view: View, invisibleUnless: Boolean) {
+    setInvisible(view, invisibleUnless.not())
+}

app/src/main/java/com/topjohnwu/magisk/databinding/AdaptersRecycler.kt

@@ -0,0 +1,57 @@
+package com.topjohnwu.magisk.databinding
+
+import android.graphics.drawable.GradientDrawable
+import android.graphics.drawable.InsetDrawable
+import androidx.databinding.BindingAdapter
+import androidx.recyclerview.widget.RecyclerView
+import com.topjohnwu.magisk.extensions.startEndToLeftRight
+import com.topjohnwu.magisk.extensions.toPx
+import com.topjohnwu.magisk.utils.KItemDecoration
+import kotlin.math.roundToInt
+
+@BindingAdapter(
+    "dividerColor",
+    "dividerHorizontal",
+    "dividerSize",
+    "dividerAfterLast",
+    "dividerMarginStart",
+    "dividerMarginEnd",
+    "dividerMarginTop",
+    "dividerMarginBottom",
+    requireAll = false
+)
+fun setDivider(
+    view: RecyclerView,
+    color: Int,
+    horizontal: Boolean,
+    _size: Float,
+    _afterLast: Boolean?,
+    marginStartF: Float,
+    marginEndF: Float,
+    marginTopF: Float,
+    marginBottomF: Float
+) {
+    val orientation = if (horizontal) RecyclerView.HORIZONTAL else RecyclerView.VERTICAL
+    val size = if (_size > 0) _size.roundToInt() else 1.toPx()
+    val (width, height) = if (horizontal) size to 1 else 1 to size
+    val afterLast = _afterLast ?: true
+
+    val marginStart = marginStartF.roundToInt()
+    val marginEnd = marginEndF.roundToInt()
+    val marginTop = marginTopF.roundToInt()
+    val marginBottom = marginBottomF.roundToInt()
+    val (marginLeft, marginRight) = view.context.startEndToLeftRight(marginStart, marginEnd)
+
+    val drawable = GradientDrawable().apply {
+        setSize(width, height)
+        shape = GradientDrawable.RECTANGLE
+        setColor(color)
+    }.let {
+        InsetDrawable(it, marginLeft, marginTop, marginRight, marginBottom)
+    }
+
+    val decoration = KItemDecoration(view.context, orientation)
+        .setDeco(drawable)
+        .apply { showAfterLast = afterLast }
+    view.addItemDecoration(decoration)
+}

app/src/main/java/com/topjohnwu/magisk/databinding/BindingBoundAdapter.kt

@@ -0,0 +1,13 @@
+package com.topjohnwu.magisk.databinding
+
+import androidx.databinding.ViewDataBinding
+import me.tatarka.bindingcollectionadapter2.BindingRecyclerViewAdapter
+
+open class BindingBoundAdapter : BindingRecyclerViewAdapter<RvItem>() {
+
+    override fun onBindBinding(binding: ViewDataBinding, variableId: Int, layoutRes: Int, position: Int, item: RvItem) {
+        super.onBindBinding(binding, variableId, layoutRes, position, item)
+
+        item.onBindingBound(binding)
+    }
+}

app/src/main/java/com/topjohnwu/magisk/databinding/RecyclerViewItems.kt

@@ -0,0 +1,48 @@
+package com.topjohnwu.magisk.databinding
+
+import androidx.annotation.CallSuper
+import androidx.databinding.ViewDataBinding
+import com.topjohnwu.magisk.BR
+import com.topjohnwu.magisk.utils.DiffObservableList
+import me.tatarka.bindingcollectionadapter2.ItemBinding
+
+abstract class RvItem {
+
+    abstract val layoutRes: Int
+
+    @CallSuper
+    open fun bind(binding: ItemBinding<*>) {
+        binding.set(BR.item, layoutRes)
+    }
+
+    /**
+     * This callback is useful if you want to manipulate your views directly.
+     * If you want to use this callback, you must set [me.tatarka.bindingcollectionadapter2.BindingRecyclerViewAdapter]
+     * on your RecyclerView and call it from there. You can use [BindingBoundAdapter] for your convenience.
+     */
+    open fun onBindingBound(binding: ViewDataBinding) {}
+}
+
+abstract class ComparableRvItem<in T> : RvItem() {
+
+    abstract fun itemSameAs(other: T): Boolean
+    abstract fun contentSameAs(other: T): Boolean
+    @Suppress("UNCHECKED_CAST")
+    open fun genericItemSameAs(other: Any): Boolean = other::class == this::class && itemSameAs(other as T)
+    @Suppress("UNCHECKED_CAST")
+    open fun genericContentSameAs(other: Any): Boolean = other::class == this::class && contentSameAs(other as T)
+
+    companion object {
+        val callback = object : DiffObservableList.Callback<ComparableRvItem<*>> {
+            override fun areItemsTheSame(
+                oldItem: ComparableRvItem<*>,
+                newItem: ComparableRvItem<*>
+            ) = oldItem.genericItemSameAs(newItem)
+
+            override fun areContentsTheSame(
+                oldItem: ComparableRvItem<*>,
+                newItem: ComparableRvItem<*>
+            ) = oldItem.genericContentSameAs(newItem)
+        }
+    }
+}

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

@@ -1,18 +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 com.topjohnwu.magisk.utils.RxBus
+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 }
-    factory(Protected) { 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

@@ -1,7 +1,9 @@
 package com.topjohnwu.magisk.di
 
+import android.content.Context
+import androidx.room.Room
 import com.topjohnwu.magisk.data.database.*
-import com.topjohnwu.magisk.tasks.UpdateRepos
+import com.topjohnwu.magisk.tasks.RepoUpdater
 import org.koin.dsl.module
 
 
@@ -10,6 +12,12 @@ val databaseModule = module {
     single { PolicyDao(get()) }
     single { SettingsDao() }
     single { StringDao() }
-    single { RepoDatabaseHelper(get()) }
-    single { UpdateRepos(get()) }
+    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

@@ -1,6 +0,0 @@
-package com.topjohnwu.magisk.di
-
-import org.koin.core.qualifier.named
-
-val SUTimeout = named("su_timeout")
-val Protected = named("protected")

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

@@ -1,69 +1,83 @@
 package com.topjohnwu.magisk.di
 
+import android.content.Context
 import com.squareup.moshi.JsonAdapter
 import com.squareup.moshi.Moshi
-import com.topjohnwu.magisk.Constants
-import com.topjohnwu.magisk.data.network.GithubRawApiServices
+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 com.topjohnwu.magisk.net.Networking
+import com.topjohnwu.magisk.net.NoSSLv3SocketFactory
+import io.noties.markwon.Markwon
+import io.noties.markwon.html.HtmlPlugin
+import io.noties.markwon.image.ImagesPlugin
+import io.noties.markwon.image.network.OkHttpNetworkSchemeHandler
 import okhttp3.OkHttpClient
 import okhttp3.logging.HttpLoggingInterceptor
 import org.koin.dsl.module
-import retrofit2.CallAdapter
-import retrofit2.Converter
 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 { createConverterFactory() }
-    single { createCallAdapterFactory() }
-    single { createRetrofit(get(), get(), get()) }
-    single { createApiService<GithubRawApiServices>(get(), Constants.GITHUB_RAW_API_URL) }
+    single { createOkHttpClient(get()) }
+    single { createRetrofit(get()) }
+    single { createApiService<GithubRawServices>(get(), Const.Url.GITHUB_RAW_URL) }
+    single { createApiService<GithubApiServices>(get(), Const.Url.GITHUB_API_URL) }
+    single { createMarkwon(get(), get()) }
 }
 
-fun createOkHttpClient(): OkHttpClient {
-    val httpLoggingInterceptor = HttpLoggingInterceptor().apply {
-        level = HttpLoggingInterceptor.Level.BODY
+@Suppress("DEPRECATION")
+fun createOkHttpClient(context: Context): OkHttpClient {
+    val builder = OkHttpClient.Builder()
+
+    if (BuildConfig.DEBUG) {
+        val httpLoggingInterceptor = HttpLoggingInterceptor().apply {
+            level = HttpLoggingInterceptor.Level.HEADERS
+        }
+        builder.addInterceptor(httpLoggingInterceptor)
     }
 
-    return OkHttpClient.Builder()
-        .addInterceptor(httpLoggingInterceptor)
-        .build()
+    if (!Networking.init(context)) {
+        builder.sslSocketFactory(NoSSLv3SocketFactory())
+    }
+
+    return builder.build()
 }
 
-fun createConverterFactory(): Converter.Factory {
+fun createMoshiConverterFactory(): MoshiConverterFactory {
     val moshi = Moshi.Builder()
-            .add(JsonAdapterFactory.INSTANCE)
+            .add(KotshiJsonAdapterFactory)
             .build()
     return MoshiConverterFactory.create(moshi)
 }
 
-fun createCallAdapterFactory(): CallAdapter.Factory {
-    return RxJava2CallAdapterFactory.create()
-}
-
-fun createRetrofit(
-    okHttpClient: OkHttpClient,
-    converterFactory: Converter.Factory,
-    callAdapterFactory: CallAdapter.Factory
-): Retrofit.Builder {
+fun createRetrofit(okHttpClient: OkHttpClient): Retrofit.Builder {
     return Retrofit.Builder()
-        .addConverterFactory(converterFactory)
-        .addCallAdapterFactory(callAdapterFactory)
+        .addConverterFactory(ScalarsConverterFactory.create())
+        .addConverterFactory(createMoshiConverterFactory())
+        .addCallAdapterFactory(RxJava2CallAdapterFactory.create())
         .client(okHttpClient)
 }
 
 @KotshiJsonAdapterFactory
-abstract class JsonAdapterFactory : JsonAdapter.Factory {
-    companion object {
-        val INSTANCE: JsonAdapterFactory = 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)
-}
+}
+
+fun createMarkwon(context: Context, okHttpClient: OkHttpClient): Markwon {
+    return Markwon.builder(context)
+            .usePlugin(HtmlPlugin.create())
+            .usePlugin(ImagesPlugin.create {
+                it.addSchemeHandler(OkHttpNetworkSchemeHandler.create(okHttpClient))
+            })
+            .build()
+}

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

@@ -1,13 +1,13 @@
 package com.topjohnwu.magisk.di
 
-import com.topjohnwu.magisk.data.repository.*
+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 {
-    single { MagiskRepository(get(), get(), get()) }
+    single { MagiskRepository(get(), get()) }
     single { LogRepository(get()) }
-    single { AppRepository(get()) }
-    single { SettingRepository(get()) }
     single { StringRepository(get()) }
 }

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

@@ -20,6 +20,8 @@ val viewModelModules = module {
     viewModel { HideViewModel(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/DataBinding.kt

@@ -0,0 +1,57 @@
+package com.topjohnwu.magisk.extensions
+
+import androidx.databinding.Observable
+import androidx.databinding.ObservableBoolean
+import androidx.databinding.ObservableField
+import androidx.databinding.ObservableInt
+
+fun <T> ObservableField<T>.addOnPropertyChangedCallback(
+    removeAfterChanged: Boolean = false,
+    callback: (T?) -> Unit
+) {
+    addOnPropertyChangedCallback(object : Observable.OnPropertyChangedCallback() {
+        override fun onPropertyChanged(sender: Observable?, propertyId: Int) {
+            callback(get())
+            if (removeAfterChanged) removeOnPropertyChangedCallback(this)
+        }
+    })
+}
+
+fun ObservableInt.addOnPropertyChangedCallback(
+    removeAfterChanged: Boolean = false,
+    callback: (Int) -> Unit
+) {
+    addOnPropertyChangedCallback(object : Observable.OnPropertyChangedCallback() {
+        override fun onPropertyChanged(sender: Observable?, propertyId: Int) {
+            callback(get())
+            if (removeAfterChanged) removeOnPropertyChangedCallback(this)
+        }
+    })
+}
+
+fun ObservableBoolean.addOnPropertyChangedCallback(
+    removeAfterChanged: Boolean = false,
+    callback: (Boolean) -> Unit
+) {
+    addOnPropertyChangedCallback(object : Observable.OnPropertyChangedCallback() {
+        override fun onPropertyChanged(sender: Observable?, propertyId: Int) {
+            callback(get())
+            if (removeAfterChanged) removeOnPropertyChangedCallback(this)
+        }
+    })
+}
+
+inline fun <T> ObservableField<T>.update(block: (T?) -> Unit) {
+    set(get().apply(block))
+}
+
+inline fun <T> ObservableField<T>.updateNonNull(block: (T) -> Unit) {
+    update {
+        it ?: return@update
+        block(it)
+    }
+}
+
+inline fun ObservableInt.update(block: (Int) -> Unit) {
+    set(get().apply(block))
+}

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

@@ -0,0 +1,9 @@
+package com.topjohnwu.magisk.extensions
+
+import android.content.res.Resources
+import kotlin.math.ceil
+import kotlin.math.roundToInt
+
+fun Int.toDp(): Int = ceil(this / Resources.getSystem().displayMetrics.density).roundToInt()
+
+fun Int.toPx(): Int = (this * Resources.getSystem().displayMetrics.density).roundToInt()

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

@@ -0,0 +1,6 @@
+package com.topjohnwu.magisk.extensions
+
+import android.os.Handler
+import android.os.Looper
+
+fun ui(body: () -> Unit) = Handler(Looper.getMainLooper()).post(body)

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

@@ -0,0 +1,201 @@
+package com.topjohnwu.magisk.extensions
+
+import androidx.databinding.ObservableField
+import com.topjohnwu.magisk.utils.KObservableField
+import io.reactivex.*
+import io.reactivex.android.schedulers.AndroidSchedulers
+import io.reactivex.disposables.Disposables
+import io.reactivex.functions.BiFunction
+import io.reactivex.schedulers.Schedulers
+import androidx.databinding.Observable as BindingObservable
+
+fun <T> Observable<T>.applySchedulers(
+    subscribeOn: Scheduler = Schedulers.io(),
+    observeOn: Scheduler = AndroidSchedulers.mainThread()
+): Observable<T> = this.subscribeOn(subscribeOn).observeOn(observeOn)
+
+fun <T> Flowable<T>.applySchedulers(
+    subscribeOn: Scheduler = Schedulers.io(),
+    observeOn: Scheduler = AndroidSchedulers.mainThread()
+): Flowable<T> = this.subscribeOn(subscribeOn).observeOn(observeOn)
+
+fun <T> Single<T>.applySchedulers(
+    subscribeOn: Scheduler = Schedulers.io(),
+    observeOn: Scheduler = AndroidSchedulers.mainThread()
+): Single<T> = this.subscribeOn(subscribeOn).observeOn(observeOn)
+
+fun <T> Maybe<T>.applySchedulers(
+    subscribeOn: Scheduler = Schedulers.io(),
+    observeOn: Scheduler = AndroidSchedulers.mainThread()
+): Maybe<T> = this.subscribeOn(subscribeOn).observeOn(observeOn)
+
+fun Completable.applySchedulers(
+    subscribeOn: Scheduler = Schedulers.io(),
+    observeOn: Scheduler = AndroidSchedulers.mainThread()
+): Completable = this.subscribeOn(subscribeOn).observeOn(observeOn)
+
+/*=== ALIASES FOR OBSERVABLES ===*/
+
+typealias OnCompleteListener = () -> Unit
+typealias OnSuccessListener<T> = (T) -> Unit
+typealias OnErrorListener = (Throwable) -> Unit
+
+/*=== ALIASES FOR OBSERVABLES ===*/
+
+fun <T> Observable<T>.subscribeK(
+        onError: OnErrorListener = { it.printStackTrace() },
+        onComplete: OnCompleteListener = {},
+        onNext: OnSuccessListener<T> = {}
+) = applySchedulers()
+    .subscribe(onNext, onError, onComplete)
+
+fun <T> Single<T>.subscribeK(
+        onError: OnErrorListener = { it.printStackTrace() },
+        onNext: OnSuccessListener<T> = {}
+) = applySchedulers()
+    .subscribe(onNext, onError)
+
+fun <T> Maybe<T>.subscribeK(
+        onError: OnErrorListener = { it.printStackTrace() },
+        onComplete: OnCompleteListener = {},
+        onNext: OnSuccessListener<T> = {}
+) = applySchedulers()
+    .subscribe(onNext, onError, onComplete)
+
+fun <T> Flowable<T>.subscribeK(
+        onError: OnErrorListener = { it.printStackTrace() },
+        onComplete: OnCompleteListener = {},
+        onNext: OnSuccessListener<T> = {}
+) = applySchedulers()
+    .subscribe(onNext, onError, onComplete)
+
+fun Completable.subscribeK(
+        onError: OnErrorListener = { it.printStackTrace() },
+        onComplete: OnCompleteListener = {}
+) = applySchedulers()
+    .subscribe(onComplete, onError)
+
+
+fun <T> Observable<out T>.updateBy(
+    field: KObservableField<T?>
+) = doOnNextUi { field.value = it }
+    .doOnErrorUi { field.value = null }
+
+fun <T> Single<out T>.updateBy(
+    field: KObservableField<T?>
+) = doOnSuccessUi { field.value = it }
+    .doOnErrorUi { field.value = null }
+
+fun <T> Maybe<out T>.updateBy(
+    field: KObservableField<T?>
+) = doOnSuccessUi { field.value = it }
+    .doOnErrorUi { field.value = null }
+    .doOnComplete { field.value = field.value }
+
+fun <T> Flowable<out T>.updateBy(
+    field: KObservableField<T?>
+) = doOnNextUi { field.value = it }
+    .doOnErrorUi { field.value = null }
+
+fun Completable.updateBy(
+    field: KObservableField<Boolean>
+) = doOnCompleteUi { field.value = true }
+    .doOnErrorUi { field.value = false }
+
+
+fun <T> Observable<T>.doOnSubscribeUi(body: () -> Unit) =
+    doOnSubscribe { ui { body() } }
+
+fun <T> Single<T>.doOnSubscribeUi(body: () -> Unit) =
+    doOnSubscribe { ui { body() } }
+
+fun <T> Maybe<T>.doOnSubscribeUi(body: () -> Unit) =
+    doOnSubscribe { ui { body() } }
+
+fun <T> Flowable<T>.doOnSubscribeUi(body: () -> Unit) =
+    doOnSubscribe { ui { body() } }
+
+fun Completable.doOnSubscribeUi(body: () -> Unit) =
+    doOnSubscribe { ui { body() } }
+
+
+fun <T> Observable<T>.doOnErrorUi(body: (Throwable) -> Unit) =
+    doOnError { ui { body(it) } }
+
+fun <T> Single<T>.doOnErrorUi(body: (Throwable) -> Unit) =
+    doOnError { ui { body(it) } }
+
+fun <T> Maybe<T>.doOnErrorUi(body: (Throwable) -> Unit) =
+    doOnError { ui { body(it) } }
+
+fun <T> Flowable<T>.doOnErrorUi(body: (Throwable) -> Unit) =
+    doOnError { ui { body(it) } }
+
+fun Completable.doOnErrorUi(body: (Throwable) -> Unit) =
+    doOnError { ui { body(it) } }
+
+
+fun <T> Observable<T>.doOnNextUi(body: (T) -> Unit) =
+    doOnNext { ui { body(it) } }
+
+fun <T> Flowable<T>.doOnNextUi(body: (T) -> Unit) =
+    doOnNext { ui { body(it) } }
+
+fun <T> Single<T>.doOnSuccessUi(body: (T) -> Unit) =
+    doOnSuccess { ui { body(it) } }
+
+fun <T> Maybe<T>.doOnSuccessUi(body: (T) -> Unit) =
+    doOnSuccess { ui { body(it) } }
+
+fun <T> Maybe<T>.doOnCompleteUi(body: () -> Unit) =
+    doOnComplete { ui { body() } }
+
+fun Completable.doOnCompleteUi(body: () -> Unit) =
+    doOnComplete { ui { body() } }
+
+
+fun <T, R> Observable<List<T>>.mapList(
+    transformer: (T) -> R
+) = flatMapIterable { it }
+    .map(transformer)
+    .toList()
+
+fun <T, R> Single<List<T>>.mapList(
+    transformer: (T) -> R
+) = flattenAsFlowable { it }
+    .map(transformer)
+    .toList()
+
+fun <T, R> Maybe<List<T>>.mapList(
+    transformer: (T) -> R
+) = flattenAsFlowable { it }
+    .map(transformer)
+    .toList()
+
+fun <T, R> Flowable<List<T>>.mapList(
+    transformer: (T) -> R
+) = flatMapIterable { it }
+    .map(transformer)
+    .toList()
+
+fun <T> ObservableField<T>.toObservable(): Observable<T> {
+    val observableField = this
+    return Observable.create { emitter ->
+        observableField.get()?.let { emitter.onNext(it) }
+
+        val callback = object : BindingObservable.OnPropertyChangedCallback() {
+            override fun onPropertyChanged(sender: BindingObservable?, propertyId: Int) {
+                observableField.get()?.let { emitter.onNext(it) }
+            }
+        }
+        observableField.addOnPropertyChangedCallback(callback)
+        emitter.setDisposable(Disposables.fromAction {
+            observableField.removeOnPropertyChangedCallback(callback)
+        })
+    }
+}
+
+fun <T : Any> T.toSingle() = Single.just(this)
+
+fun <T1, T2, R> zip(t1: Single<T1>, t2: Single<T2>, zipper: (T1, T2) -> R) =
+        Single.zip(t1, t2, BiFunction<T1, T2, R> { rt1, rt2 -> zipper(rt1, rt2) })

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

@@ -0,0 +1,126 @@
+package com.topjohnwu.magisk.extensions
+
+import android.content.Context
+import android.content.res.ColorStateList
+import android.view.View
+import android.widget.TextView
+import androidx.annotation.ColorInt
+import androidx.annotation.ColorRes
+import androidx.annotation.StringRes
+import androidx.appcompat.app.AppCompatActivity
+import androidx.core.content.ContextCompat
+import androidx.core.view.ViewCompat
+import androidx.fragment.app.Fragment
+import com.google.android.material.snackbar.Snackbar
+
+fun AppCompatActivity.snackbar(
+    view: View,
+    @StringRes messageRes: Int,
+    length: Int = Snackbar.LENGTH_SHORT,
+    f: Snackbar.() -> Unit = {}
+) {
+    snackbar(view, getString(messageRes), length, f)
+}
+
+fun AppCompatActivity.snackbar(
+    view: View,
+    message: String,
+    length: Int = Snackbar.LENGTH_SHORT,
+    f: Snackbar.() -> Unit = {}
+) = Snackbar.make(view, message, length)
+    .apply(f)
+    .show()
+
+fun Fragment.snackbar(
+    view: View,
+    @StringRes messageRes: Int,
+    length: Int = Snackbar.LENGTH_SHORT,
+    f: Snackbar.() -> Unit = {}
+) {
+    snackbar(view, getString(messageRes), length, f)
+}
+
+fun Fragment.snackbar(
+    view: View,
+    message: String,
+    length: Int = Snackbar.LENGTH_SHORT,
+    f: Snackbar.() -> Unit = {}
+) = Snackbar.make(view, message, length)
+    .apply(f)
+    .show()
+
+fun Snackbar.action(init: KSnackbar.() -> Unit) = apply {
+    val config = KSnackbar().apply(init)
+
+    setAction(config.title(context), config.onClickListener)
+
+    when {
+        config.hasValidColor -> setActionTextColor(config.color(context) ?: return@apply)
+        config.hasValidColorStateList -> setActionTextColor(config.colorStateList(context) ?: return@apply)
+    }
+}
+
+class KSnackbar {
+    var colorRes: Int = -1
+    var colorStateListRes: Int = -1
+
+    var title: CharSequence = ""
+    var titleRes: Int = -1
+
+    internal var onClickListener: (View) -> Unit = {}
+    internal val hasValidColor get() = colorRes != -1
+    internal val hasValidColorStateList get() = colorStateListRes != -1
+
+    fun onClicked(listener: (View) -> Unit) {
+        onClickListener = listener
+    }
+
+    internal fun title(context: Context) = if (title.isBlank()) context.getString(titleRes) else title
+    internal fun colorStateList(context: Context) = context.colorStateListCompat(colorStateListRes)
+    internal fun color(context: Context) = context.colorCompat(colorRes)
+}
+
+@Deprecated("Kotlin DSL version is preferred", ReplaceWith("action {}"))
+fun Snackbar.action(
+    @StringRes actionRes: Int,
+    @ColorRes colorRes: Int? = null,
+    listener: (View) -> Unit
+) {
+    view.resources.getString(actionRes)
+    colorRes?.let { ContextCompat.getColor(view.context, colorRes) }
+    action {}
+}
+
+@Deprecated("Kotlin DSL version is preferred", ReplaceWith("action {}"))
+fun Snackbar.action(action: String, @ColorInt color: Int? = null, listener: (View) -> Unit) {
+    setAction(action, listener)
+    color?.let { setActionTextColor(color) }
+}
+
+fun Snackbar.textColorRes(@ColorRes colorRes: Int) {
+    textColor(context.colorCompat(colorRes) ?: return)
+}
+
+fun Snackbar.textColor(@ColorInt color: Int) {
+    val tv = view.findViewById<TextView>(com.google.android.material.R.id.snackbar_text)
+    tv.setTextColor(color)
+}
+
+fun Snackbar.backgroundColorRes(@ColorRes colorRes: Int) {
+    backgroundColor(context.colorCompat(colorRes) ?: return)
+}
+
+fun Snackbar.backgroundColor(@ColorInt color: Int) {
+    ViewCompat.setBackgroundTintList(
+        view,
+        ColorStateList.valueOf(color)
+    )
+}
+
+fun Snackbar.alert() {
+    textColor(0xF44336)
+}
+
+fun Snackbar.success() {
+    textColor(0x4CAF50)
+}

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

@@ -0,0 +1,159 @@
+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.content.res.Resources
+import android.database.Cursor
+import android.net.Uri
+import android.os.Build
+import android.provider.OpenableColumns
+import android.view.View
+import androidx.annotation.ColorRes
+import androidx.annotation.DrawableRes
+import androidx.core.content.ContextCompat
+import androidx.core.net.toUri
+import com.topjohnwu.magisk.utils.FileProvider
+import com.topjohnwu.magisk.utils.Utils
+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()
+}
+
+fun Intent.exists(packageManager: PackageManager) = resolveActivity(packageManager) != null
+
+fun Context.colorCompat(@ColorRes id: Int) = try {
+    ContextCompat.getColor(this, id)
+} catch (e: Resources.NotFoundException) {
+    null
+}
+
+fun Context.colorStateListCompat(@ColorRes id: Int) = try {
+    ContextCompat.getColorStateList(this, id)
+} catch (e: Resources.NotFoundException) {
+    null
+}
+
+fun Context.drawableCompat(@DrawableRes id: Int) = ContextCompat.getDrawable(this, id)
+/**
+ * Pass [start] and [end] dimensions, function will return left and right
+ * with respect to RTL layout direction
+ */
+fun Context.startEndToLeftRight(start: Int, end: Int): Pair<Int, Int> {
+    if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.JELLY_BEAN_MR1 &&
+        resources.configuration.layoutDirection == View.LAYOUT_DIRECTION_RTL
+    ) {
+        return end to start
+    }
+    return start to end
+}
+
+fun Context.openUrl(url: String) = Utils.openLink(this, url.toUri())

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

@@ -0,0 +1,8 @@
+package com.topjohnwu.magisk.extensions
+
+import com.topjohnwu.magisk.utils.KObservableField
+
+
+fun KObservableField<Boolean>.toggle() {
+    value = !value
+}

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

@@ -1,4 +1,4 @@
-package com.topjohnwu.magisk.utils
+package com.topjohnwu.magisk.extensions
 
 import org.koin.core.context.GlobalContext
 import org.koin.core.parameter.ParametersDefinition
@@ -6,12 +6,12 @@ import org.koin.core.qualifier.Qualifier
 
 fun getKoin() = GlobalContext.get().koin
 
-inline fun <reified T : Any> inject(
+inline fun <reified T> inject(
     qualifier: Qualifier? = null,
     noinline parameters: ParametersDefinition? = null
 ) = lazy { get<T>(qualifier, parameters) }
 
-inline fun <reified T : Any> get(
+inline fun <reified T> get(
     qualifier: Qualifier? = null,
     noinline parameters: ParametersDefinition? = null
 ): T = getKoin().get(qualifier, parameters)

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

@@ -1,8 +1,8 @@
-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
+import com.topjohnwu.magisk.utils.DiffObservableList
 import io.reactivex.disposables.Disposable
 
 fun <T> MutableList<T>.update(newList: List<T>) {
@@ -25,8 +25,8 @@ fun List<String>.toShellCmd(): String {
 }
 
 fun <T1, T2> ObservableList<T1>.sendUpdatesTo(
-    target: DiffObservableList<T2>,
-    mapper: (List<T1>) -> List<T2>
+        target: DiffObservableList<T2>,
+        mapper: (List<T1>) -> List<T2>
 ) = addOnListChangedCallback(object :
     ObservableList.OnListChangedCallback<ObservableList<T1>>() {
     override fun onChanged(sender: ObservableList<T1>?) {
@@ -76,4 +76,8 @@ 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/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

@@ -1,4 +1,4 @@
-package com.topjohnwu.magisk.utils
+package com.topjohnwu.magisk.extensions
 
 import android.content.res.Resources
 
@@ -20,4 +20,8 @@ fun Int.res(vararg args: Any): String {
     return resources.getString(this, *args)
 }
 
-fun String.trimEmptyToNull(): String? = if (isBlank()) null else this
+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

@@ -1,5 +1,6 @@
-package com.topjohnwu.magisk.utils
+package com.topjohnwu.magisk.extensions
 
+import com.topjohnwu.magisk.utils.currentLocale
 import java.text.DateFormat
 import java.text.ParseException
 import java.text.SimpleDateFormat
@@ -13,8 +14,7 @@ fun String.toTime(format: DateFormat) = try {
     -1L
 }
 
-private val locale get() = LocaleManager.locale
-val timeFormatFull by lazy { SimpleDateFormat("yyyy/MM/dd_HH:mm:ss", locale) }
-val timeFormatStandard by lazy { SimpleDateFormat("yyyy-MM-dd'T'HH:mm:ss'Z'", locale) }
-val timeFormatMedium by lazy { DateFormat.getDateInstance(DateFormat.MEDIUM, LocaleManager.locale) }
-val timeFormatTime by lazy { SimpleDateFormat("h:mm a", LocaleManager.locale) }
+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

@@ -1,4 +1,4 @@
-package com.topjohnwu.magisk.utils
+package com.topjohnwu.magisk.extensions
 
 import android.view.View
 import android.view.ViewTreeObserver

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.topjohnwu.magisk.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 +1,155 @@
+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.exists
+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 org.koin.core.get
+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 -> this.apply {
+            fileIntent(subject.file.parentFile!!)
+                .takeIf { it.exists(get()) }
+                ?.let { addAction(0, R.string.download_open_parent, it.chooser()) }
+            fileIntent(subject.file)
+                .takeIf { it.exists(get()) }
+                ?.let { addAction(0, R.string.download_open_self, it.chooser()) }
+        }
+        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 -> this.apply {
+            fileIntent(subject.file.parentFile!!)
+                .takeIf { it.exists(get()) }
+                ?.let { addAction(0, R.string.download_open_parent, it.chooser()) }
+            fileIntent(subject.file)
+                .takeIf { it.exists(get()) }
+                ?.let { addAction(0, R.string.download_open_self, it.chooser()) }
+        }
+        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)
+    }
+
+    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 +1,87 @@
+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 org.koin.core.KoinComponent
+import java.util.*
+import kotlin.random.Random.Default.nextInt
+
+abstract class NotificationService : Service(), KoinComponent {
+
+    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.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.subscribeK
+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

@@ -1,155 +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();
-    }
-
-    protected BaseModule(MagiskModule m) {
-        mId = m.getId();
-        mName = m.getName();
-        mVersion = m.getVersion();
-        mAuthor = m.getAuthor();
-        mDescription = m.getDescription();
-        mVersionCode = Integer.parseInt(m.getVersionCode());
-    }
-
-    @Override
-    public int compareTo(@NonNull BaseModule module) {
-        return 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/MagiskApp.kt

@@ -1,11 +0,0 @@
-package com.topjohnwu.magisk.model.entity
-
-import se.ansman.kotshi.JsonSerializable
-
-@JsonSerializable
-data class MagiskApp(
-    val version: String,
-    val versionCode: String,
-    val link: String,
-    val note: String
-)

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

@@ -1,10 +0,0 @@
-package com.topjohnwu.magisk.model.entity
-
-import se.ansman.kotshi.JsonSerializable
-
-@JsonSerializable
-data class MagiskConfig(
-    val app: MagiskApp,
-    val uninstaller: MagiskLink,
-    val magisk: MagiskFlashable
-)

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

@@ -1,13 +0,0 @@
-package com.topjohnwu.magisk.model.entity
-
-import com.squareup.moshi.Json
-import se.ansman.kotshi.JsonSerializable
-
-@JsonSerializable
-data class MagiskFlashable(
-    val version: String,
-    val versionCode: String,
-    val link: String,
-    val note: String,
-    @Json(name = "md5") val hash: String
-)

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

@@ -1,8 +0,0 @@
-package com.topjohnwu.magisk.model.entity
-
-import se.ansman.kotshi.JsonSerializable
-
-@JsonSerializable
-data class MagiskLink(
-    val link: String
-)

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

@@ -1,8 +1,8 @@
 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 com.topjohnwu.magisk.utils.timeFormatTime
-import com.topjohnwu.magisk.utils.toTime
 import java.util.*
 
 data class MagiskLog(
@@ -38,7 +38,6 @@ fun Map<String, String>.toLog(): MagiskLog {
 
 fun Long.toDate() = Date(this)
 
-
 fun MagiskLog.toMap() = mapOf(
     "from_uid" to fromUid,
     "to_uid" to toUid,
@@ -47,8 +46,8 @@ fun MagiskLog.toMap() = mapOf(
     "app_name" to appName,
     "command" to command,
     "action" to action,
-    "time" to date
-).mapValues { it.toString() }
+    "time" to date.time
+)
 
 fun MagiskPolicy.toLog(
     toUid: Int,

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

@@ -1,86 +0,0 @@
-package com.topjohnwu.magisk.model.entity
-
-import android.os.Parcelable
-import androidx.annotation.AnyThread
-import androidx.annotation.NonNull
-import androidx.annotation.WorkerThread
-import androidx.room.Entity
-import androidx.room.PrimaryKey
-import com.topjohnwu.magisk.Constants
-import com.topjohnwu.magisk.data.database.base.su
-import io.reactivex.Single
-import kotlinx.android.parcel.Parcelize
-import okhttp3.ResponseBody
-import java.io.File
-
-interface MagiskModule : Parcelable {
-    val id: String
-    val name: String
-    val author: String
-    val version: String
-    val versionCode: String
-    val description: String
-}
-
-@Entity(tableName = "repos")
-@Parcelize
-data class Repository(
-    @PrimaryKey @NonNull
-    override val id: String,
-    override val name: String,
-    override val author: String,
-    override val version: String,
-    override val versionCode: String,
-    override val description: String,
-    val lastUpdate: Long
-) : MagiskModule
-
-@Parcelize
-data class Module(
-    override val id: String,
-    override val name: String,
-    override val author: String,
-    override val version: String,
-    override val versionCode: String,
-    override val description: String,
-    val path: String
-) : MagiskModule
-
-@AnyThread
-fun File.toModule(): Single<Module> {
-    val path = "${Constants.MAGISK_PATH}/$name"
-    return "dos2unix < $path/module.prop".su()
-        .map { it.first().toModule(path) }
-}
-
-fun Map<String, String>.toModule(path: String): Module {
-    return Module(
-        id = get("id").orEmpty(),
-        name = get("name").orEmpty(),
-        author = get("author").orEmpty(),
-        version = get("version").orEmpty(),
-        versionCode = get("versionCode").orEmpty(),
-        description = get("description").orEmpty(),
-        path = path
-    )
-}
-
-@WorkerThread
-fun ResponseBody.toRepository(lastUpdate: Long) = string()
-    .split(Regex("\\n"))
-    .map { it.split("=", limit = 2) }
-    .filter { it.size == 2 }
-    .map { Pair(it[0], it[1]) }
-    .toMap()
-    .toRepository(lastUpdate)
-
-@AnyThread
-fun Map<String, String>.toRepository(lastUpdate: Long) = Repository(
-    id = get("id").orEmpty(),
-    name = get("name").orEmpty(),
-    author = get("author").orEmpty(),
-    version = get("version").orEmpty(),
-    versionCode = get("versionCode").orEmpty(),
-    description = get("description").orEmpty(),
-    lastUpdate = lastUpdate
-)

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

@@ -2,6 +2,7 @@ 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
 
 
@@ -24,42 +25,14 @@ data class MagiskPolicy(
 
 }
 
-/*@Throws(PackageManager.NameNotFoundException::class)
-fun ContentValues.toPolicy(pm: PackageManager): MagiskPolicy {
-    val uid = getAsInteger("uid")
-    val packageName = getAsString("package_name")
-    val info = pm.getApplicationInfo(packageName, 0)
-    if (info.uid != uid)
-        throw PackageManager.NameNotFoundException()
-    return MagiskPolicy(
-        uid = uid,
-        packageName = packageName,
-        policy = getAsInteger("policy"),
-        until = getAsInteger("until").toLong(),
-        logging = getAsInteger("logging") != 0,
-        notification = getAsInteger("notification") != 0,
-        applicationInfo = info,
-        appName = info.loadLabel(pm).toString()
-    )
-}
-fun MagiskPolicy.toContentValues() = ContentValues().apply {
-    put("uid", uid)
-    put("uid", uid)
-    put("package_name", packageName)
-    put("policy", policy)
-    put("until", until)
-    put("logging", if (logging) 1 else 0)
-    put("notification", if (notification) 1 else 0)
-}*/
-
 fun MagiskPolicy.toMap() = mapOf(
     "uid" to uid,
     "package_name" to packageName,
     "policy" to policy,
     "until" to until,
-    "logging" to if (logging) 1 else 0,
-    "notification" to if (notification) 1 else 0
-).mapValues { it.value.toString() }
+    "logging" to logging,
+    "notification" to notification
+)
 
 @Throws(PackageManager.NameNotFoundException::class)
 fun Map<String, String>.toPolicy(pm: PackageManager): MagiskPolicy {
@@ -78,7 +51,7 @@ fun Map<String, String>.toPolicy(pm: PackageManager): MagiskPolicy {
         logging = get("logging")?.toIntOrNull() != 0,
         notification = get("notification")?.toIntOrNull() != 0,
         applicationInfo = info,
-        appName = info.loadLabel(pm).toString()
+        appName = info.getLabel(pm)
     )
 }
 

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

@@ -1,83 +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 OldModule extends BaseModule {
-
-    public static final Parcelable.Creator<OldModule> CREATOR = new Creator<OldModule>() {
-        /* It won't be used at any place */
-        @Override
-        public OldModule createFromParcel(Parcel source) {
-            return null;
-        }
-
-        @Override
-        public OldModule[] newArray(int size) {
-            return null;
-        }
-    };
-    private final SuFile mRemoveFile;
-    private final SuFile mDisableFile;
-    private final SuFile mUpdateFile;
-    private final boolean mUpdated;
-    private boolean mEnable;
-    private boolean mRemove;
-
-    public OldModule(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 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

@@ -1,114 +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 Repo(Repository repo) {
-        super(repo);
-        mLastUpdate = new Date(repo.getLastUpdate());
-    }
-
-    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(MagiskPolicy policy) {
-        fromUid = policy.getUid();
-        packageName = policy.getPackageName();
-        appName = policy.getAppName();
-        action = policy.getPolicy() == 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.getLocale()).format(date);
-    }
-
-    public String getTimeString() {
-        return new SimpleDateFormat("h:mm a", LocaleManager.getLocale()).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

@@ -1,3 +0,0 @@
-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.sortedBy { it.name }
+        }
+    }
+}

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

@@ -1,17 +1,17 @@
 package com.topjohnwu.magisk.model.entity.recycler
 
-import com.skoumal.teanity.databinding.ComparableRvItem
-import com.skoumal.teanity.extensions.addOnPropertyChangedCallback
-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.databinding.ComparableRvItem
+import com.topjohnwu.magisk.extensions.addOnPropertyChangedCallback
+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
+import com.topjohnwu.magisk.utils.DiffObservableList
+import com.topjohnwu.magisk.utils.KObservableField
+import com.topjohnwu.magisk.utils.RxBus
 
 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.topjohnwu.magisk.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

@@ -1,14 +1,14 @@
 package com.topjohnwu.magisk.model.entity.recycler
 
-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.databinding.ComparableRvItem
+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
-import com.topjohnwu.magisk.utils.timeFormatMedium
-import com.topjohnwu.magisk.utils.toTime
-import com.topjohnwu.magisk.utils.toggle
+import com.topjohnwu.magisk.utils.DiffObservableList
+import com.topjohnwu.magisk.utils.KObservableField
 
 class LogRvItem : ComparableRvItem<LogRvItem>() {
     override val layoutRes: Int = R.layout.item_page_log

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

@@ -2,48 +2,58 @@ package com.topjohnwu.magisk.model.entity.recycler
 
 import android.content.res.Resources
 import androidx.annotation.StringRes
-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.OldModule
-import com.topjohnwu.magisk.model.entity.Repo
-import com.topjohnwu.magisk.model.entity.Repository
-import com.topjohnwu.magisk.utils.get
-import com.topjohnwu.magisk.utils.toggle
+import com.topjohnwu.magisk.databinding.ComparableRvItem
+import com.topjohnwu.magisk.extensions.addOnPropertyChangedCallback
+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
+import com.topjohnwu.magisk.utils.KObservableField
 
-class ModuleRvItem(val item: OldModule) : ComparableRvItem<ModuleRvItem>() {
+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)
     }
 
@@ -57,15 +67,9 @@ class ModuleRvItem(val item: OldModule) : ComparableRvItem<ModuleRvItem>() {
 
 class RepoRvItem(val item: Repo) : ComparableRvItem<RepoRvItem>() {
 
-    constructor(repo: Repository) : this(Repo(repo))
-
     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
-            && item.detailUrl == other.item.detailUrl
+    override fun contentSameAs(other: RepoRvItem): Boolean = item == other.item
 
     override fun itemSameAs(other: RepoRvItem): Boolean = item.id == other.item.id
 }