Bump version

* Translate new strings
* Improve translation of several strings

Signed-off-by: Albert I <krascgq@outlook.co.id>

build.gradle

@@ -8,12 +8,8 @@ android {
         applicationId "com.topjohnwu.magisk"
         minSdkVersion 21
         targetSdkVersion 27
-        versionCode 84
-        versionName "5.5.2"
-        ndk {
-            moduleName 'zipadjust'
-            abiFilters 'x86', 'x86_64', 'armeabi-v7a', 'arm64-v8a'
-        }
+        versionCode 100
+        versionName "5.6.0"
         javaCompileOptions {
             annotationProcessorOptions {
                 argument('butterknife.debuggable', 'false')
@@ -36,11 +32,6 @@ android {
         preDexLibraries true
         javaMaxHeapSize "2g"
     }
-    externalNativeBuild {
-        cmake {
-            path 'src/main/jni/CMakeLists.txt'
-        }
-    }
     lintOptions {
         disable 'MissingTranslation'
     }
@@ -54,7 +45,8 @@ repositories {
 
 dependencies {
     implementation fileTree(include: ['*.jar'], dir: 'libs')
-    implementation project(':crypto')
+    implementation project(':utils')
+    implementation 'com.github.topjohnwu:libsu:1.1.0'
     implementation 'com.android.support:recyclerview-v7:27.0.2'
     implementation 'com.android.support:cardview-v7:27.0.2'
     implementation 'com.android.support:design:27.0.2'

proguard-rules.pro

@@ -20,5 +20,10 @@
 -keepnames class ** { *; }
 
 # BouncyCastle
--keep class org.bouncycastle.jcajce.provider.** { *; }
+-keep class org.bouncycastle.jcajce.provider.asymmetric.rsa.**SHA1** { *; }
+-keep class org.bouncycastle.jcajce.provider.asymmetric.RSA** { *; }
+-keep class org.bouncycastle.jcajce.provider.digest.SHA1** { *; }
 -dontwarn javax.naming.**
+
+# Gson
+-keepattributes Signature

src/main/AndroidManifest.xml

@@ -9,10 +9,11 @@
     <uses-permission android:name="android.permission.RECEIVE_BOOT_COMPLETED" />
     <uses-permission android:name="android.permission.VIBRATE" />
     <uses-permission android:name="android.permission.REQUEST_INSTALL_PACKAGES" />
+    <uses-permission android:name="android.permission.USE_FINGERPRINT" />
 
     <application
         android:name=".MagiskManager"
-        android:allowBackup="true"
+        android:allowBackup="false"
         android:icon="@mipmap/ic_launcher"
         android:roundIcon="@mipmap/ic_launcher_round"
         android:label="@string/app_name"

src/main/assets/changelog.md

@@ -1,4 +1,5 @@
-### v5.5.2
-- Support sorting online repos with last update
-- Fix issue that advanced installation settings won't stick
-- Prevent sudb crashing Magisk Manager
+### v5.6.0
+- Remove JNI requirement, Magisk Manager is now pure Java
+- Update the method of handling su database, may fix the issue that root requests won't save
+- Add the option to restore Magisk Manager after repackaging with random package name
+- Massive under-the-hood optimizations

src/main/java/com/topjohnwu/magisk/FlashActivity.java

@@ -16,9 +16,9 @@ import android.widget.Toast;
 import com.topjohnwu.magisk.asyncs.FlashZip;
 import com.topjohnwu.magisk.asyncs.InstallMagisk;
 import com.topjohnwu.magisk.components.Activity;
-import com.topjohnwu.magisk.container.CallbackList;
 import com.topjohnwu.magisk.utils.Const;
-import com.topjohnwu.magisk.utils.Shell;
+import com.topjohnwu.superuser.CallbackList;
+import com.topjohnwu.superuser.Shell;
 
 import java.io.File;
 import java.io.FileWriter;
@@ -49,7 +49,7 @@ public class FlashActivity extends Activity {
 
     @OnClick(R.id.reboot)
     void reboot() {
-        Shell.su_raw("/system/bin/reboot");
+        Shell.Async.su("/system/bin/reboot");
     }
 
     @OnClick(R.id.save_logs)
@@ -96,10 +96,10 @@ public class FlashActivity extends Activity {
             reboot.setVisibility(View.GONE);
 
         logs = new ArrayList<>();
-        List<String> console = new CallbackList<String>() {
+        CallbackList<String> console = new CallbackList<String>(new ArrayList<>()) {
             @Override
-            public synchronized void onAddElement(String e) {
-                logs.add(e);
+            public void onAddElement(String s) {
+                logs.add(s);
                 flashLogs.setText(TextUtils.join("\n", this));
                 sv.postDelayed(() -> sv.fullScroll(ScrollView.FOCUS_DOWN), 10);
             }

src/main/java/com/topjohnwu/magisk/MagiskFragment.java

@@ -22,10 +22,10 @@ import com.topjohnwu.magisk.asyncs.CheckUpdates;
 import com.topjohnwu.magisk.components.AlertDialogBuilder;
 import com.topjohnwu.magisk.components.ExpandableView;
 import com.topjohnwu.magisk.components.Fragment;
-import com.topjohnwu.magisk.utils.Shell;
 import com.topjohnwu.magisk.utils.ShowUI;
 import com.topjohnwu.magisk.utils.Topic;
 import com.topjohnwu.magisk.utils.Utils;
+import com.topjohnwu.superuser.Shell;
 
 import butterknife.BindColor;
 import butterknife.BindView;

src/main/java/com/topjohnwu/magisk/MagiskLogFragment.java

@@ -21,8 +21,9 @@ import com.topjohnwu.magisk.asyncs.ParallelTask;
 import com.topjohnwu.magisk.components.Fragment;
 import com.topjohnwu.magisk.components.SnackbarMaker;
 import com.topjohnwu.magisk.utils.Const;
-import com.topjohnwu.magisk.utils.Shell;
 import com.topjohnwu.magisk.utils.Utils;
+import com.topjohnwu.superuser.CallbackList;
+import com.topjohnwu.superuser.Shell;
 
 import java.io.File;
 import java.io.FileWriter;
@@ -113,12 +114,18 @@ public class MagiskLogFragment extends Fragment {
             mode = (int) params[0];
             switch (mode) {
                 case 0:
-                    StringBuildingList logList = new StringBuildingList();
-                    Shell.su(logList, "cat " + Const.MAGISK_LOG + " | tail -n 5000");
-                    return logList.getCharSequence();
+                    StringBuilder builder = new StringBuilder();
+                    CallbackList<String> logs = new CallbackList<String>() {
+                        @Override
+                        public void onAddElement(String s) {
+                            builder.append(s).append('\n');
+                        }
+                    };
+                    Shell.Sync.su(logs, "cat " + Const.MAGISK_LOG + " | tail -n 5000");
+                    return builder;
 
                 case 1:
-                    Shell.su_raw("echo -n > " + Const.MAGISK_LOG);
+                    Shell.Async.su("echo -n > " + Const.MAGISK_LOG);
                     SnackbarMaker.make(txtLog, R.string.logs_cleared, Snackbar.LENGTH_SHORT).show();
                     return "";
 
@@ -138,8 +145,16 @@ public class MagiskLogFragment extends Fragment {
                     }
 
                     try (FileWriter out = new FileWriter(targetFile)) {
-                        FileWritingList fileWritingList = new FileWritingList(out);
-                        Shell.su(fileWritingList, "cat " + Const.MAGISK_LOG);
+                        CallbackList<String> list = new CallbackList<String>() {
+                            @Override
+                            public void onAddElement(String s) {
+                                try {
+                                    out.write(s);
+                                    out.write("\n");
+                                } catch (IOException ignored) {}
+                            }
+                        };
+                        Shell.Sync.su(list, "cat " + Const.MAGISK_LOG);
                     } catch (IOException e) {
                         e.printStackTrace();
                         return false;
@@ -187,41 +202,4 @@ public class MagiskLogFragment extends Fragment {
             exec(2);
         }
     }
-
-    private static class StringBuildingList extends Shell.AbstractList<String> {
-
-        StringBuilder builder;
-
-        StringBuildingList() {
-            builder = new StringBuilder();
-        }
-
-        @Override
-        public boolean add(String s) {
-            builder.append(s).append("\n");
-            return true;
-        }
-
-        public CharSequence getCharSequence() {
-            return builder;
-        }
-    }
-
-    private static class FileWritingList extends Shell.AbstractList<String> {
-
-        private FileWriter writer;
-
-        FileWritingList(FileWriter out) {
-            writer = out;
-        }
-
-        @Override
-        public boolean add(String s) {
-            try {
-                writer.write(s + "\n");
-            } catch (IOException ignored) {}
-            return true;
-        }
-    }
-
 }

src/main/java/com/topjohnwu/magisk/MagiskManager.java

@@ -1,6 +1,5 @@
 package com.topjohnwu.magisk;
 
-import android.app.Application;
 import android.content.Intent;
 import android.content.SharedPreferences;
 import android.content.pm.PackageManager;
@@ -8,22 +7,28 @@ import android.content.res.Configuration;
 import android.content.res.Resources;
 import android.os.Handler;
 import android.preference.PreferenceManager;
+import android.support.annotation.NonNull;
+import android.text.TextUtils;
 import android.widget.Toast;
 
 import com.topjohnwu.magisk.container.Module;
 import com.topjohnwu.magisk.database.RepoDatabaseHelper;
 import com.topjohnwu.magisk.database.SuDatabaseHelper;
 import com.topjohnwu.magisk.utils.Const;
-import com.topjohnwu.magisk.utils.Shell;
 import com.topjohnwu.magisk.utils.Topic;
 import com.topjohnwu.magisk.utils.Utils;
+import com.topjohnwu.superuser.BusyBox;
+import com.topjohnwu.superuser.Shell;
 
+import java.io.File;
+import java.io.IOException;
+import java.io.InputStream;
 import java.lang.ref.WeakReference;
 import java.util.List;
 import java.util.Locale;
 import java.util.Map;
 
-public class MagiskManager extends Application {
+public class MagiskManager extends Shell.ContainerApp {
 
     // Global weak reference to self
     private static WeakReference<MagiskManager> weakSelf;
@@ -62,8 +67,6 @@ public class MagiskManager extends Application {
 
     public boolean magiskHide;
     public boolean isDarkTheme;
-    public boolean updateNotification;
-    public boolean suReauth;
     public int suRequestTimeout;
     public int suLogTimeout = 14;
     public int suAccessState;
@@ -74,14 +77,12 @@ public class MagiskManager extends Application {
     public String localeConfig;
     public int updateChannel;
     public String bootFormat;
-    public String customChannelUrl;
     public int repoOrder;
 
     // Global resources
     public SharedPreferences prefs;
     public SuDatabaseHelper suDB;
     public RepoDatabaseHelper repoDB;
-    public Shell shell;
     public Runnable permissionGrantCallback = null;
 
     private static Handler mHandler = new Handler();
@@ -93,6 +94,24 @@ public class MagiskManager extends Application {
     @Override
     public void onCreate() {
         super.onCreate();
+
+        Shell.setFlags(Shell.FLAG_MOUNT_MASTER);
+        Shell.verboseLogging(BuildConfig.DEBUG);
+        BusyBox.BB_PATH = new File(Const.BUSYBOX_PATH);
+        Shell.setInitializer(new Shell.Initializer() {
+            @Override
+            public void onRootShellInit(@NonNull Shell shell) {
+                try (InputStream in = MagiskManager.get().getAssets().open(Const.UTIL_FUNCTIONS)) {
+                    shell.loadInputStream(null, null, in);
+                } catch (IOException e) {
+                    e.printStackTrace();
+                }
+                shell.run(null, null,
+                        "mount_partitions",
+                        "run_migrations");
+            }
+        });
+
         prefs = PreferenceManager.getDefaultSharedPreferences(this);
 
         // Handle duplicate package
@@ -106,7 +125,15 @@ public class MagiskManager extends Application {
             } catch (PackageManager.NameNotFoundException ignored) { /* Expected */ }
         }
 
-        suDB = SuDatabaseHelper.getSuDB(false);
+        suDB = SuDatabaseHelper.getInstance(this);
+
+        String pkg = suDB.getStrings(Const.Key.SU_REQUESTER, Const.ORIG_PKG_NAME);
+        if (getPackageName().equals(Const.ORIG_PKG_NAME) && !pkg.equals(Const.ORIG_PKG_NAME)) {
+            suDB.setStrings(Const.Key.SU_REQUESTER, null);
+            Utils.uninstallPkg(pkg);
+            suDB = SuDatabaseHelper.getInstance(this);
+        }
+
         repoDB = new RepoDatabaseHelper(this);
         defaultLocale = Locale.getDefault();
         setLocale();
@@ -135,17 +162,14 @@ public class MagiskManager extends Application {
         suRequestTimeout = Utils.getPrefsInt(prefs, Const.Key.SU_REQUEST_TIMEOUT, Const.Value.timeoutList[2]);
         suResponseType = Utils.getPrefsInt(prefs, Const.Key.SU_AUTO_RESPONSE, Const.Value.SU_PROMPT);
         suNotificationType = Utils.getPrefsInt(prefs, Const.Key.SU_NOTIFICATION, Const.Value.NOTIFICATION_TOAST);
-        suReauth = prefs.getBoolean(Const.Key.SU_REAUTH, false);
         suAccessState = suDB.getSettings(Const.Key.ROOT_ACCESS, Const.Value.ROOT_ACCESS_APPS_AND_ADB);
         multiuserMode = suDB.getSettings(Const.Key.SU_MULTIUSER_MODE, Const.Value.MULTIUSER_MODE_OWNER_ONLY);
         suNamespaceMode = suDB.getSettings(Const.Key.SU_MNT_NS, Const.Value.NAMESPACE_MODE_REQUESTER);
 
         // config
         isDarkTheme = prefs.getBoolean(Const.Key.DARK_THEME, false);
-        updateNotification = prefs.getBoolean(Const.Key.UPDATE_NOTIFICATION, true);
         updateChannel = Utils.getPrefsInt(prefs, Const.Key.UPDATE_CHANNEL, Const.Value.STABLE_CHANNEL);
         bootFormat = prefs.getString(Const.Key.BOOT_FORMAT, ".img");
-        customChannelUrl = prefs.getString(Const.Key.CUSTOM_CHANNEL, "");
         repoOrder = prefs.getInt(Const.Key.REPO_ORDER, Const.Value.ORDER_NAME);
     }
 
@@ -153,10 +177,8 @@ public class MagiskManager extends Application {
         prefs.edit()
                 .putBoolean(Const.Key.DARK_THEME, isDarkTheme)
                 .putBoolean(Const.Key.MAGISKHIDE, magiskHide)
-                .putBoolean(Const.Key.UPDATE_NOTIFICATION, updateNotification)
-                .putBoolean(Const.Key.HOSTS, Utils.itemExist(Const.MAGISK_HOST_FILE()))
-                .putBoolean(Const.Key.COREONLY, Utils.itemExist(Const.MAGISK_DISABLE_FILE))
-                .putBoolean(Const.Key.SU_REAUTH, suReauth)
+                .putBoolean(Const.Key.HOSTS, Const.MAGISK_HOST_FILE().exists())
+                .putBoolean(Const.Key.COREONLY, Const.MAGISK_DISABLE_FILE.exists())
                 .putString(Const.Key.SU_REQUEST_TIMEOUT, String.valueOf(suRequestTimeout))
                 .putString(Const.Key.SU_AUTO_RESPONSE, String.valueOf(suResponseType))
                 .putString(Const.Key.SU_NOTIFICATION, String.valueOf(suNotificationType))
@@ -171,7 +193,7 @@ public class MagiskManager extends Application {
                 .apply();
     }
 
-    public static void toast(String msg, int duration) {
+    public static void toast(CharSequence msg, int duration) {
         mHandler.post(() -> Toast.makeText(weakSelf.get(), msg, duration).show());
     }
 
@@ -180,69 +202,22 @@ public class MagiskManager extends Application {
     }
 
     public void loadMagiskInfo() {
-        List<String> ret;
-        ret = Shell.sh("magisk -v");
-        if (!Utils.isValidShellResponse(ret)) {
-            ret = Shell.sh("getprop magisk.version");
-            if (Utils.isValidShellResponse(ret)) {
-                try {
-                    magiskVersionString = ret.get(0);
-                    magiskVersionCode = (int) Double.parseDouble(ret.get(0)) * 10;
-                } catch (NumberFormatException ignored) {}
-            }
-        } else {
-            magiskVersionString = ret.get(0).split(":")[0];
-            ret = Shell.sh("magisk -V");
-            try {
-                magiskVersionCode = Integer.parseInt(ret.get(0));
-            } catch (NumberFormatException ignored) {}
-        }
-        if (magiskVersionCode > 1435) {
-            ret = Shell.su("resetprop -p " + Const.MAGISKHIDE_PROP);
-        } else {
-            ret = Shell.sh("getprop " + Const.MAGISKHIDE_PROP);
-        }
         try {
-            magiskHide = !Utils.isValidShellResponse(ret) || Integer.parseInt(ret.get(0)) != 0;
-        } catch (NumberFormatException e) {
-            magiskHide = true;
-        }
+            magiskVersionString = Utils.cmd("magisk -v").split(":")[0];
+            magiskVersionCode = Integer.parseInt(Utils.cmd("magisk -V"));
+            String s = Utils.cmd((magiskVersionCode > 1435 ? "resetprop -p " : "getprop ") + Const.MAGISKHIDE_PROP);
+            magiskHide = s == null || Integer.parseInt(s) != 0;
+        } catch (Exception ignored) {}
 
-        ret = Shell.su("echo \"$BOOTIMAGE\"");
-        if (Utils.isValidShellResponse(ret))
-            bootBlock = ret.get(0);
-
-        if (suDB != null && !SuDatabaseHelper.verified) {
-            suDB.close();
-            suDB = SuDatabaseHelper.getSuDB(true);
-        }
+        bootBlock = Utils.cmd("echo \"$BOOTIMAGE\"");
     }
 
     public void getDefaultInstallFlags() {
-        List<String> ret;
-        ret = Shell.su("echo \"$DTBOIMAGE\"");
-        if (Utils.isValidShellResponse(ret))
-            keepVerity = true;
+        keepVerity = Boolean.parseBoolean(Utils.cmd("getvar KEEPVERITY; echo $KEEPVERITY")) ||
+                Utils.cmd("echo \"$DTBOIMAGE\"") != null;
 
-        ret = Shell.su(
-                "getvar KEEPVERITY",
-                "echo $KEEPVERITY");
-        try {
-            if (Utils.isValidShellResponse(ret))
-                keepVerity = Boolean.parseBoolean(ret.get(0));
-        } catch (NumberFormatException ignored) {}
-
-        ret = Shell.sh("getprop ro.crypto.state");
-        if (Utils.isValidShellResponse(ret) && ret.get(0).equals("encrypted"))
-            keepEnc = true;
-
-        ret = Shell.su(
-                "getvar KEEPFORCEENCRYPT",
-                "echo $KEEPFORCEENCRYPT");
-        try {
-            if (Utils.isValidShellResponse(ret))
-                keepEnc = Boolean.parseBoolean(ret.get(0));
-        } catch (NumberFormatException ignored) {}
+        keepEnc = Boolean.parseBoolean(Utils.cmd("getvar KEEPFORCEENCRYPT; echo $KEEPFORCEENCRYPT")) ||
+                TextUtils.equals("encrypted", Utils.cmd("getprop ro.crypto.state"));
     }
 
     public void setPermissionGrantCallback(Runnable callback) {

src/main/java/com/topjohnwu/magisk/MainActivity.java

@@ -19,9 +19,9 @@ import android.view.View;
 import com.topjohnwu.magisk.asyncs.MarkDownWindow;
 import com.topjohnwu.magisk.components.Activity;
 import com.topjohnwu.magisk.utils.Const;
-import com.topjohnwu.magisk.utils.Shell;
 import com.topjohnwu.magisk.utils.Topic;
 import com.topjohnwu.magisk.utils.Utils;
+import com.topjohnwu.superuser.Shell;
 
 import java.io.IOException;
 import java.io.InputStream;

src/main/java/com/topjohnwu/magisk/ModulesFragment.java

@@ -20,9 +20,9 @@ import com.topjohnwu.magisk.asyncs.LoadModules;
 import com.topjohnwu.magisk.components.Fragment;
 import com.topjohnwu.magisk.container.Module;
 import com.topjohnwu.magisk.utils.Const;
-import com.topjohnwu.magisk.utils.Shell;
 import com.topjohnwu.magisk.utils.Topic;
 import com.topjohnwu.magisk.utils.Utils;
+import com.topjohnwu.superuser.Shell;
 
 import java.util.ArrayList;
 import java.util.List;
@@ -113,16 +113,16 @@ public class ModulesFragment extends Fragment implements Topic.Subscriber {
     public boolean onOptionsItemSelected(MenuItem item) {
         switch (item.getItemId()) {
             case R.id.reboot:
-                Shell.su_raw("/system/bin/reboot");
+                Shell.Async.su("/system/bin/reboot");
                 return true;
             case R.id.reboot_recovery:
-                Shell.su_raw("/system/bin/reboot recovery");
+                Shell.Async.su("/system/bin/reboot recovery");
                 return true;
             case R.id.reboot_bootloader:
-                Shell.su_raw("/system/bin/reboot bootloader");
+                Shell.Async.su("/system/bin/reboot bootloader");
                 return true;
             case R.id.reboot_download:
-                Shell.su_raw("/system/bin/reboot download");
+                Shell.Async.su("/system/bin/reboot download");
                 return true;
             default:
                 return false;

src/main/java/com/topjohnwu/magisk/SettingsActivity.java

@@ -1,6 +1,7 @@
 package com.topjohnwu.magisk;
 
 import android.Manifest;
+import android.content.Intent;
 import android.content.SharedPreferences;
 import android.os.Build;
 import android.os.Bundle;
@@ -21,11 +22,14 @@ import android.widget.Toast;
 import com.topjohnwu.magisk.asyncs.CheckUpdates;
 import com.topjohnwu.magisk.asyncs.HideManager;
 import com.topjohnwu.magisk.components.Activity;
+import com.topjohnwu.magisk.receivers.ManagerUpdate;
 import com.topjohnwu.magisk.utils.Const;
-import com.topjohnwu.magisk.utils.Shell;
+import com.topjohnwu.magisk.utils.FingerprintHelper;
 import com.topjohnwu.magisk.utils.Topic;
 import com.topjohnwu.magisk.utils.Utils;
+import com.topjohnwu.superuser.Shell;
 
+import java.io.IOException;
 import java.util.Locale;
 
 import butterknife.BindView;
@@ -97,6 +101,7 @@ public class SettingsActivity extends Activity implements Topic.Subscriber {
             PreferenceCategory magiskCategory = (PreferenceCategory) findPreference("magisk");
             PreferenceCategory suCategory = (PreferenceCategory) findPreference("superuser");
             Preference hideManager = findPreference("hide");
+            Preference restoreManager = findPreference("restore");
             findPreference("clear").setOnPreferenceClickListener((pref) -> {
                 prefs.edit().remove(Const.Key.ETAG_KEY).apply();
                 mm.repoDB.clearRepo();
@@ -112,13 +117,14 @@ public class SettingsActivity extends Activity implements Topic.Subscriber {
             multiuserMode = (ListPreference) findPreference(Const.Key.SU_MULTIUSER_MODE);
             namespaceMode = (ListPreference) findPreference(Const.Key.SU_MNT_NS);
             SwitchPreference reauth = (SwitchPreference) findPreference(Const.Key.SU_REAUTH);
+            SwitchPreference fingerprint = (SwitchPreference) findPreference(Const.Key.SU_FINGERPRINT);
 
             updateChannel.setOnPreferenceChangeListener((pref, o) -> {
                 mm.updateChannel = Integer.parseInt((String) o);
                 if (mm.updateChannel == Const.Value.CUSTOM_CHANNEL) {
                     View v = LayoutInflater.from(getActivity()).inflate(R.layout.custom_channel_dialog, null);
                     EditText url = v.findViewById(R.id.custom_url);
-                    url.setText(mm.customChannelUrl);
+                    url.setText(mm.prefs.getString(Const.Key.CUSTOM_CHANNEL, ""));
                     new AlertDialog.Builder(getActivity())
                         .setTitle(R.string.settings_update_custom)
                         .setView(v)
@@ -144,6 +150,43 @@ public class SettingsActivity extends Activity implements Topic.Subscriber {
                 reauth.setSummary(R.string.android_o_not_support);
             }
 
+            // Remove fingerprint option if not possible
+            if (!FingerprintHelper.canUseFingerprint()) {
+                suCategory.removePreference(fingerprint);
+            }
+
+            if (mm.magiskVersionCode >= 1440) {
+                if (mm.getPackageName().equals(Const.ORIG_PKG_NAME)) {
+                    hideManager.setOnPreferenceClickListener((pref) -> {
+                        Utils.runWithPermission(getActivity(),
+                                Manifest.permission.WRITE_EXTERNAL_STORAGE,
+                                () -> new HideManager(getActivity()).exec());
+                        return true;
+                    });
+                    generalCatagory.removePreference(restoreManager);
+                } else {
+                    if (Utils.checkNetworkStatus()) {
+                        restoreManager.setOnPreferenceClickListener((pref) -> {
+                            Utils.runWithPermission(getActivity(), Manifest.permission.WRITE_EXTERNAL_STORAGE, () -> {
+                                Intent intent = new Intent(mm, ManagerUpdate.class);
+                                intent.putExtra(Const.Key.INTENT_SET_LINK, mm.managerLink);
+                                intent.putExtra(Const.Key.INTENT_SET_FILENAME,
+                                        Utils.fmt("MagiskManager-v%s(%d).apk",
+                                        mm.remoteManagerVersionString, mm.remoteManagerVersionCode));
+                                mm.sendBroadcast(intent);
+                            });
+                            return true;
+                        });
+                    } else {
+                        generalCatagory.removePreference(restoreManager);
+                    }
+                    generalCatagory.removePreference(hideManager);
+                }
+            } else {
+                generalCatagory.removePreference(restoreManager);
+                generalCatagory.removePreference(hideManager);
+            }
+
             if (mm.getPackageName().equals(Const.ORIG_PKG_NAME) && mm.magiskVersionCode >= 1440) {
                 hideManager.setOnPreferenceClickListener((pref) -> {
                     Utils.runWithPermission(getActivity(),
@@ -151,6 +194,7 @@ public class SettingsActivity extends Activity implements Topic.Subscriber {
                             () -> new HideManager(getActivity()).exec());
                     return true;
                 });
+                generalCatagory.removePreference(restoreManager);
             } else {
                 generalCatagory.removePreference(hideManager);
             }
@@ -216,26 +260,28 @@ public class SettingsActivity extends Activity implements Topic.Subscriber {
                     break;
                 case Const.Key.COREONLY:
                     if (prefs.getBoolean(key, false)) {
-                        Utils.createFile(Const.MAGISK_DISABLE_FILE);
+                        try {
+                            Const.MAGISK_DISABLE_FILE.createNewFile();
+                        } catch (IOException ignored) {}
                     } else {
-                        Utils.removeItem(Const.MAGISK_DISABLE_FILE);
+                        Const.MAGISK_DISABLE_FILE.delete();
                     }
                     Toast.makeText(getActivity(), R.string.settings_reboot_toast, Toast.LENGTH_LONG).show();
                     break;
                 case Const.Key.MAGISKHIDE:
                     if (prefs.getBoolean(key, false)) {
-                        Shell.su_raw("magiskhide --enable");
+                        Shell.Async.su("magiskhide --enable");
                     } else {
-                        Shell.su_raw("magiskhide --disable");
+                        Shell.Async.su("magiskhide --disable");
                     }
                     break;
                 case Const.Key.HOSTS:
                     if (prefs.getBoolean(key, false)) {
-                        Shell.su_raw(
+                        Shell.Async.su(
                                 "cp -af /system/etc/hosts " + Const.MAGISK_HOST_FILE(),
                                 "mount -o bind " + Const.MAGISK_HOST_FILE() + " /system/etc/hosts");
                     } else {
-                        Shell.su_raw(
+                        Shell.Async.su(
                                 "umount -l /system/etc/hosts",
                                 "rm -f " + Const.MAGISK_HOST_FILE());
                     }

src/main/java/com/topjohnwu/magisk/SplashActivity.java

@@ -17,8 +17,8 @@ import com.topjohnwu.magisk.asyncs.UpdateRepos;
 import com.topjohnwu.magisk.components.Activity;
 import com.topjohnwu.magisk.services.UpdateCheckService;
 import com.topjohnwu.magisk.utils.Const;
-import com.topjohnwu.magisk.utils.Shell;
 import com.topjohnwu.magisk.utils.Utils;
+import com.topjohnwu.superuser.Shell;
 
 public class SplashActivity extends Activity {
 

src/main/java/com/topjohnwu/magisk/adapters/ApplicationAdapter.java

@@ -18,9 +18,9 @@ import com.topjohnwu.magisk.R;
 import com.topjohnwu.magisk.asyncs.ParallelTask;
 import com.topjohnwu.magisk.components.SnackbarMaker;
 import com.topjohnwu.magisk.utils.Const;
-import com.topjohnwu.magisk.utils.Shell;
 import com.topjohnwu.magisk.utils.Topic;
 import com.topjohnwu.magisk.utils.Utils;
+import com.topjohnwu.superuser.Shell;
 
 import java.util.ArrayList;
 import java.util.Collections;
@@ -81,10 +81,10 @@ public class ApplicationAdapter extends RecyclerView.Adapter<ApplicationAdapter.
             holder.checkBox.setChecked(mHideList.contains(info.packageName));
             holder.checkBox.setOnCheckedChangeListener((v, isChecked) -> {
                 if (isChecked) {
-                    Shell.su_raw("magiskhide --add " + info.packageName);
+                    Shell.Async.su("magiskhide --add " + info.packageName);
                     mHideList.add(info.packageName);
                 } else {
-                    Shell.su_raw("magiskhide --rm " + info.packageName);
+                    Shell.Async.su("magiskhide --rm " + info.packageName);
                     mHideList.remove(info.packageName);
                 }
             });
@@ -155,7 +155,7 @@ public class ApplicationAdapter extends RecyclerView.Adapter<ApplicationAdapter.
             }
             Collections.sort(mOriginalList, (a, b) -> a.loadLabel(pm).toString().toLowerCase()
                     .compareTo(b.loadLabel(pm).toString().toLowerCase()));
-            mHideList = Shell.su("magiskhide --ls");
+            mHideList = Shell.Sync.su("magiskhide --ls");
             return null;
         }
 

src/main/java/com/topjohnwu/magisk/adapters/ModulesAdapter.java

@@ -14,7 +14,7 @@ import android.widget.TextView;
 import com.topjohnwu.magisk.R;
 import com.topjohnwu.magisk.components.SnackbarMaker;
 import com.topjohnwu.magisk.container.Module;
-import com.topjohnwu.magisk.utils.Shell;
+import com.topjohnwu.superuser.Shell;
 
 import java.util.List;
 

src/main/java/com/topjohnwu/magisk/asyncs/CheckSafetyNet.java

@@ -4,9 +4,9 @@ import android.app.Activity;
 
 import com.topjohnwu.magisk.MagiskManager;
 import com.topjohnwu.magisk.utils.Const;
-import com.topjohnwu.magisk.utils.Shell;
-import com.topjohnwu.magisk.utils.Utils;
 import com.topjohnwu.magisk.utils.WebService;
+import com.topjohnwu.superuser.Shell;
+import com.topjohnwu.superuser.ShellUtils;
 
 import java.io.BufferedInputStream;
 import java.io.BufferedOutputStream;
@@ -32,13 +32,13 @@ public class CheckSafetyNet extends ParallelTask<Void, Void, Exception> {
     }
 
     private void dlSnet() throws IOException {
-        Shell.sh("rm -rf " + dexPath.getParent());
+        Shell.Sync.sh("rm -rf " + dexPath.getParent());
         HttpURLConnection conn = WebService.request(Const.Url.SNET_URL, null);
         dexPath.getParentFile().mkdir();
         try (
                 OutputStream out = new BufferedOutputStream(new FileOutputStream(dexPath));
                 InputStream in = new BufferedInputStream(conn.getInputStream())) {
-            Utils.inToOut(in, out);
+            ShellUtils.pump(in, out);
         }
         conn.disconnect();
     }

src/main/java/com/topjohnwu/magisk/asyncs/CheckUpdates.java

@@ -33,7 +33,7 @@ public class CheckUpdates extends ParallelTask<Void, Void, Void> {
                 jsonStr = WebService.getString(Const.Url.BETA_URL);
                 break;
             case Const.Value.CUSTOM_CHANNEL:
-                jsonStr = WebService.getString(mm.customChannelUrl);
+                jsonStr = WebService.getString(mm.prefs.getString(Const.Key.CUSTOM_CHANNEL, ""));
                 break;
         }
         try {
@@ -54,7 +54,7 @@ public class CheckUpdates extends ParallelTask<Void, Void, Void> {
     @Override
     protected void onPostExecute(Void v) {
         MagiskManager mm = MagiskManager.get();
-        if (showNotification && mm.updateNotification) {
+        if (showNotification && mm.prefs.getBoolean(Const.Key.UPDATE_NOTIFICATION, true)) {
             if (BuildConfig.VERSION_CODE < mm.remoteManagerVersionCode) {
                 ShowUI.managerUpdateNotification();
             } else if (mm.magiskVersionCode < mm.remoteMagiskVersionCode) {

src/main/java/com/topjohnwu/magisk/asyncs/FlashZip.java

@@ -8,9 +8,10 @@ import android.view.View;
 import com.topjohnwu.magisk.FlashActivity;
 import com.topjohnwu.magisk.MagiskManager;
 import com.topjohnwu.magisk.utils.Const;
-import com.topjohnwu.magisk.utils.Shell;
 import com.topjohnwu.magisk.utils.Utils;
 import com.topjohnwu.magisk.utils.ZipUtils;
+import com.topjohnwu.superuser.Shell;
+import com.topjohnwu.superuser.ShellUtils;
 
 import java.io.BufferedInputStream;
 import java.io.BufferedOutputStream;
@@ -38,8 +39,8 @@ public class FlashZip extends ParallelTask<Void, Void, Integer> {
 
     private boolean unzipAndCheck() throws Exception {
         ZipUtils.unzip(mCachedFile, mCachedFile.getParentFile(), "META-INF/com/google/android", true);
-        List<String> ret = Utils.readFile(new File(mCachedFile.getParentFile(), "updater-script"));
-        return Utils.isValidShellResponse(ret) && ret.get(0).contains("#MAGISK");
+        String s = Utils.cmd("head -n 1 " + new File(mCachedFile.getParentFile(), "updater-script"));
+        return s != null && s.contains("#MAGISK");
     }
 
     @Override
@@ -55,7 +56,7 @@ public class FlashZip extends ParallelTask<Void, Void, Integer> {
             ) {
                 if (in == null) throw new FileNotFoundException();
                 InputStream buf= new BufferedInputStream(in);
-                Utils.inToOut(buf, out);
+                ShellUtils.pump(buf, out);
             } catch (FileNotFoundException e) {
                 console.add("! Invalid Uri");
                 throw e;
@@ -65,7 +66,7 @@ public class FlashZip extends ParallelTask<Void, Void, Integer> {
             }
             if (!unzipAndCheck()) return 0;
             console.add("- Installing " + Utils.getNameFromUri(mm, mUri));
-            Shell.getShell().run(console, logs,
+            Shell.Sync.su(console, logs,
                     "cd " + mCachedFile.getParent(),
                     "BOOTMODE=true sh update-binary dummy 1 " + mCachedFile + " || echo 'Failed!'"
             );
@@ -85,7 +86,7 @@ public class FlashZip extends ParallelTask<Void, Void, Integer> {
     @Override
     protected void onPostExecute(Integer result) {
         FlashActivity activity = (FlashActivity) getActivity();
-        Shell.su_raw(
+        Shell.Async.su(
                 "rm -rf " + mCachedFile.getParent(),
                 "rm -rf " + Const.TMP_FOLDER_PATH
         );

src/main/java/com/topjohnwu/magisk/asyncs/HideManager.java

@@ -4,18 +4,18 @@ import android.app.Activity;
 import android.app.ProgressDialog;
 import android.widget.Toast;
 
-import com.topjohnwu.crypto.JarMap;
 import com.topjohnwu.magisk.MagiskManager;
 import com.topjohnwu.magisk.R;
 import com.topjohnwu.magisk.utils.Const;
-import com.topjohnwu.magisk.utils.Shell;
 import com.topjohnwu.magisk.utils.Utils;
 import com.topjohnwu.magisk.utils.ZipUtils;
+import com.topjohnwu.superuser.Shell;
+import com.topjohnwu.superuser.ShellUtils;
+import com.topjohnwu.utils.JarMap;
 
 import java.io.File;
 import java.io.FileInputStream;
 import java.security.SecureRandom;
-import java.util.List;
 import java.util.jar.JarEntry;
 
 public class HideManager extends ParallelTask<Void, Void, Boolean> {
@@ -123,20 +123,20 @@ public class HideManager extends ParallelTask<Void, Void, Boolean> {
             apk.getOutputStream(je).write(xml);
 
             // Sign the APK
-            ZipUtils.signZip(apk, repack, false);
+            ZipUtils.signZip(apk, repack);
         } catch (Exception e) {
             e.printStackTrace();
             return false;
         }
 
         // Install the application
-
-        List<String> ret = Shell.su(Utils.fmt("pm install %s >/dev/null && echo true || echo false", repack));
-        repack.delete();
-        if (!Utils.isValidShellResponse(ret) || !Boolean.parseBoolean(ret.get(0)))
+        if (!ShellUtils.fastCmdResult(Shell.getShell(), "pm install " + repack))
             return false;
 
+        repack.delete();
+
         mm.suDB.setStrings(Const.Key.SU_REQUESTER, pkg);
+        mm.suDB.flush();
         Utils.dumpPrefs();
         Utils.uninstallPkg(Const.ORIG_PKG_NAME);
 

src/main/java/com/topjohnwu/magisk/asyncs/InstallMagisk.java

@@ -1,20 +1,22 @@
 package com.topjohnwu.magisk.asyncs;
 
 import android.app.Activity;
-import android.content.res.AssetManager;
 import android.net.Uri;
 import android.os.Build;
 import android.text.TextUtils;
 import android.view.View;
 
-import com.topjohnwu.crypto.SignBoot;
 import com.topjohnwu.magisk.FlashActivity;
 import com.topjohnwu.magisk.MagiskManager;
 import com.topjohnwu.magisk.container.TarEntry;
 import com.topjohnwu.magisk.utils.Const;
-import com.topjohnwu.magisk.utils.Shell;
 import com.topjohnwu.magisk.utils.Utils;
 import com.topjohnwu.magisk.utils.ZipUtils;
+import com.topjohnwu.superuser.Shell;
+import com.topjohnwu.superuser.ShellUtils;
+import com.topjohnwu.superuser.io.SuFile;
+import com.topjohnwu.superuser.io.SuFileInputStream;
+import com.topjohnwu.utils.SignBoot;
 
 import org.kamranzafar.jtar.TarInputStream;
 import org.kamranzafar.jtar.TarOutputStream;
@@ -28,7 +30,6 @@ import java.io.FileOutputStream;
 import java.io.IOException;
 import java.io.InputStream;
 import java.io.OutputStream;
-import java.util.ArrayList;
 import java.util.Arrays;
 import java.util.List;
 
@@ -70,7 +71,7 @@ public class InstallMagisk extends ParallelTask<Void, Void, Boolean> {
                         mm.createDeviceProtectedStorageContext() :
                         mm).getFilesDir().getParent()
                 , "install");
-        Shell.sh_raw("rm -rf " + install);
+        Shell.Sync.sh("rm -rf " + install);
 
         List<String> abis = Arrays.asList(Build.SUPPORTED_ABIS);
         String arch;
@@ -102,17 +103,15 @@ public class InstallMagisk extends ParallelTask<Void, Void, Boolean> {
                 console.add("! Cannot unzip zip");
                 throw e;
             }
-            Shell.sh("chmod 755 " + install + "/*");
+            Shell.Sync.sh("chmod 755 " + install + "/*");
 
             File boot = new File(install, "boot.img");
             boolean highCompression = false;
             switch (mode) {
                 case PATCH_MODE:
-                    console.add("- Use boot image: " + boot);
                     // Copy boot image to local
-                    try (
-                        InputStream in = mm.getContentResolver().openInputStream(mBootImg);
-                        OutputStream out = new FileOutputStream(boot)
+                    try (InputStream in = mm.getContentResolver().openInputStream(mBootImg);
+                         OutputStream out = new FileOutputStream(boot)
                     ) {
                         InputStream source;
                         if (in == null) throw new FileNotFoundException();
@@ -130,7 +129,7 @@ public class InstallMagisk extends ParallelTask<Void, Void, Boolean> {
                             // Direct copy raw image
                             source = new BufferedInputStream(in);
                         }
-                        Utils.inToOut(source, out);
+                        ShellUtils.pump(source, out);
                     } catch (FileNotFoundException e) {
                         console.add("! Invalid Uri");
                         throw e;
@@ -140,21 +139,16 @@ public class InstallMagisk extends ParallelTask<Void, Void, Boolean> {
                     }
                     break;
                 case DIRECT_MODE:
-                    console.add("- Use boot image: " + mBootLocation);
+                    console.add("- Patch boot/ramdisk image: " + mBootLocation);
                     if (mm.remoteMagiskVersionCode >= 1463) {
-                        List<String> ret = new ArrayList<>();
-                         Shell.getShell().run(ret, logs,
-                                install + "/magiskboot --parse " + mBootLocation,
-                                "echo $?"
-                        );
-                        if (Utils.isValidShellResponse(ret)) {
-                            highCompression = Integer.parseInt(ret.get(ret.size() - 1)) == 2;
-                            if (highCompression)
-                                console.add("! Insufficient boot partition size detected");
-                        }
+                        highCompression = Integer.parseInt(Utils.cmd(Utils.fmt(
+                                "%s/magiskboot --parse %s; echo $?",
+                                install, mBootLocation))) == 2;
+                        if (highCompression)
+                            console.add("! Insufficient boot partition size detected");
                     }
                     if (boot.createNewFile()) {
-                        Shell.su("cat " + mBootLocation + " > " + boot);
+                        Shell.Sync.su("cat " + mBootLocation + " > " + boot);
                     } else {
                         console.add("! Dump boot image failed");
                         return false;
@@ -168,22 +162,15 @@ public class InstallMagisk extends ParallelTask<Void, Void, Boolean> {
             try (InputStream in = new FileInputStream(boot)) {
                 isSigned = SignBoot.verifySignature(in, null);
                 if (isSigned) {
-                    console.add("- Signed boot image detected");
+                    console.add("- Boot image is signed with AVB 1.0");
                 }
             } catch (Exception e) {
                 console.add("! Unable to check signature");
                 throw e;
             }
 
-            // Force non-root shell
-            Shell shell;
-            if (Shell.rootAccess())
-                shell = new Shell("sh");
-            else
-                shell = Shell.getShell();
-
             // Patch boot image
-            shell.run(console, logs,
+            Shell.Sync.sh(console, logs,
                     "cd " + install,
                     Utils.fmt("KEEPFORCEENCRYPT=%b KEEPVERITY=%b HIGHCOMP=%b " +
                                     "sh update-binary indep boot_patch.sh %s || echo 'Failed!'",
@@ -192,27 +179,22 @@ public class InstallMagisk extends ParallelTask<Void, Void, Boolean> {
             if (TextUtils.equals(console.get(console.size() - 1), "Failed!"))
                 return false;
 
-            shell.run(null, null,
-                    "mv -f new-boot.img ../",
+            Shell.Sync.sh("mv -f new-boot.img ../",
                     "mv bin/busybox busybox",
                     "rm -rf bin *.img update-binary",
                     "cd /");
 
-            File patched_boot = new File(install.getParent(), "new-boot.img");
+            SuFile patched_boot = new SuFile(install.getParent(), "new-boot.img");
 
             if (isSigned) {
-                console.add("- Signing boot image");
+                console.add("- Signing boot image with test keys");
                 File signed = new File(install.getParent(), "signed.img");
-                AssetManager assets = mm.getAssets();
-                try (
-                        InputStream in = new FileInputStream(patched_boot);
-                        OutputStream out = new BufferedOutputStream(new FileOutputStream(signed));
-                        InputStream keyIn = assets.open(Const.PRIVATE_KEY_NAME);
-                        InputStream certIn = assets.open(Const.PUBLIC_KEY_NAME)
+                try (InputStream in = new SuFileInputStream(patched_boot);
+                     OutputStream out = new BufferedOutputStream(new FileOutputStream(signed))
                 ) {
-                    SignBoot.doSignature("/boot", in, out, keyIn, certIn);
+                    SignBoot.doSignature("/boot", in, out, null, null);
                 }
-                shell.run_raw(false, false, "mv -f " + signed + " " + patched_boot);
+                Shell.Sync.sh("mv -f " + signed + " " + patched_boot);
             }
 
             switch (mode) {
@@ -230,8 +212,8 @@ public class InstallMagisk extends ParallelTask<Void, Void, Boolean> {
                             out = new BufferedOutputStream(new FileOutputStream(dest));
                             break;
                     }
-                    try (InputStream in = new BufferedInputStream(new FileInputStream(patched_boot))) {
-                        Utils.inToOut(in, out);
+                    try (InputStream in = new SuFileInputStream(patched_boot)) {
+                        ShellUtils.pump(in, out);
                         out.close();
                     }
                     console.add("");
@@ -242,7 +224,7 @@ public class InstallMagisk extends ParallelTask<Void, Void, Boolean> {
                     break;
                 case DIRECT_MODE:
                     String binPath = mm.remoteMagiskVersionCode >= 1464 ? "/data/adb/magisk" : "/data/magisk";
-                    Shell.getShell().run(console, logs,
+                    Shell.Sync.su(console, logs,
                             Utils.fmt("rm -rf %s/*; mkdir -p %s; chmod 700 /data/adb", binPath, binPath),
                             Utils.fmt("cp -af %s/* %s; rm -rf %s", install, binPath, install),
                             Utils.fmt("flash_boot_image %s %s", patched_boot, mBootLocation),

src/main/java/com/topjohnwu/magisk/asyncs/LoadModules.java

@@ -4,7 +4,7 @@ import com.topjohnwu.magisk.MagiskManager;
 import com.topjohnwu.magisk.container.Module;
 import com.topjohnwu.magisk.container.ValueSortedMap;
 import com.topjohnwu.magisk.utils.Const;
-import com.topjohnwu.magisk.utils.Shell;
+import com.topjohnwu.superuser.Shell;
 
 import java.util.List;
 
@@ -12,7 +12,7 @@ public class LoadModules extends ParallelTask<Void, Void, Void> {
 
     private List<String> getModList() {
         String command = "ls -d " + Const.MAGISK_PATH() + "/* | grep -v lost+found";
-        return Shell.su(command);
+        return Shell.Sync.su(command);
     }
 
     @Override

src/main/java/com/topjohnwu/magisk/asyncs/MarkDownWindow.java

@@ -6,8 +6,8 @@ import android.webkit.WebView;
 
 import com.topjohnwu.magisk.MagiskManager;
 import com.topjohnwu.magisk.R;
-import com.topjohnwu.magisk.utils.Utils;
 import com.topjohnwu.magisk.utils.WebService;
+import com.topjohnwu.superuser.ShellUtils;
 
 import org.commonmark.node.Node;
 import org.commonmark.parser.Parser;
@@ -44,7 +44,7 @@ public class MarkDownWindow extends ParallelTask<Void, Void, String> {
             md = WebService.getString(mUrl);
         } else {
             try (ByteArrayOutputStream out = new ByteArrayOutputStream()) {
-                Utils.inToOut(is, out);
+                ShellUtils.pump(is, out);
                 md = out.toString();
                 is.close();
             } catch (IOException e) {
@@ -57,7 +57,7 @@ public class MarkDownWindow extends ParallelTask<Void, Void, String> {
             InputStream in = mm.getAssets().open(mm.isDarkTheme ? "dark.css" : "light.css");
             ByteArrayOutputStream out = new ByteArrayOutputStream()
         ) {
-            Utils.inToOut(in, out);
+            ShellUtils.pump(in, out);
             css = out.toString();
         } catch (IOException e) {
             e.printStackTrace();

src/main/java/com/topjohnwu/magisk/asyncs/ProcessRepoZip.java

@@ -13,10 +13,11 @@ import com.topjohnwu.magisk.FlashActivity;
 import com.topjohnwu.magisk.MagiskManager;
 import com.topjohnwu.magisk.R;
 import com.topjohnwu.magisk.utils.Const;
-import com.topjohnwu.magisk.utils.Shell;
 import com.topjohnwu.magisk.utils.Utils;
 import com.topjohnwu.magisk.utils.WebService;
 import com.topjohnwu.magisk.utils.ZipUtils;
+import com.topjohnwu.superuser.Shell;
+import com.topjohnwu.superuser.ShellUtils;
 
 import java.io.BufferedInputStream;
 import java.io.BufferedOutputStream;
@@ -68,7 +69,7 @@ public class ProcessRepoZip extends ParallelTask<Void, Object, Boolean> {
                     continue;
                 }
                 out.putNextEntry(new JarEntry(path));
-                Utils.inToOut(in, out);
+                ShellUtils.pump(in, out);
             }
         }
     }
@@ -107,7 +108,7 @@ public class ProcessRepoZip extends ParallelTask<Void, Object, Boolean> {
                 InputStream in = new BufferedInputStream(new ProgressInputStream(conn.getInputStream()));
                 OutputStream out = new BufferedOutputStream(new FileOutputStream(temp1))
             ) {
-                Utils.inToOut(in, out);
+                ShellUtils.pump(in, out);
                 in.close();
             }
             conn.disconnect();
@@ -120,14 +121,8 @@ public class ProcessRepoZip extends ParallelTask<Void, Object, Boolean> {
             // First remove top folder in Github source zip, temp1 -> temp2
             removeTopFolder(temp1, temp2);
 
-            // Then sign the zip for the first time, temp2 -> temp1
-            ZipUtils.signZip(temp2, temp1, false);
-
-            // Adjust the zip to prevent unzip issues, temp1 -> temp2
-            ZipUtils.zipAdjust(temp1.getPath(), temp2.getPath());
-
-            // Finally, sign the whole zip file again, temp2 -> target
-            ZipUtils.signZip(temp2, mFile, true);
+            // Then sign the zip
+            ZipUtils.signZip(temp2, mFile);
 
             // Delete temp files
             temp1.delete();

src/main/java/com/topjohnwu/magisk/asyncs/RestoreImages.java

@@ -4,29 +4,24 @@ import android.widget.Toast;
 
 import com.topjohnwu.magisk.MagiskManager;
 import com.topjohnwu.magisk.R;
-import com.topjohnwu.magisk.utils.Shell;
 import com.topjohnwu.magisk.utils.Utils;
-
-import java.util.List;
+import com.topjohnwu.superuser.Shell;
+import com.topjohnwu.superuser.ShellUtils;
 
 public class RestoreImages extends ParallelTask<Void, Void, Boolean> {
 
     @Override
     protected Boolean doInBackground(Void... voids) {
         String sha1;
-        List<String> ret = Utils.readFile("/.backup/.sha1");
-        if (Utils.isValidShellResponse(ret)) {
-            sha1 = ret.get(0);
-        } else {
-            ret = Shell.su("cat /init.magisk.rc | grep STOCKSHA1");
-            if (!Utils.isValidShellResponse(ret))
+        sha1 = Utils.cmd("cat /.backup/.sha1");
+        if (sha1 == null) {
+            sha1 = Utils.cmd("cat /init.magisk.rc | grep STOCKSHA1");
+            if (sha1 == null)
                 return false;
-            sha1 = ret.get(0).substring(ret.get(0).indexOf('=') + 1);
+            sha1 = sha1.substring(sha1.indexOf('=') + 1);
         }
 
-        ret = Shell.su("restore_imgs " + sha1 + " && echo true || echo false");
-
-        return Utils.isValidShellResponse(ret) && Boolean.parseBoolean(ret.get(ret.size() - 1));
+        return ShellUtils.fastCmdResult(Shell.getShell(), "restore_imgs " + sha1);
     }
 
     @Override

src/main/java/com/topjohnwu/magisk/container/CallbackList.java

@@ -1,22 +0,0 @@
-package com.topjohnwu.magisk.container;
-
-import android.os.Handler;
-
-import java.util.ArrayList;
-
-public abstract class CallbackList<E> extends ArrayList<E> {
-
-    private Handler handler;
-
-    protected CallbackList() {
-        handler = new Handler();
-    }
-
-    public abstract void onAddElement(E e);
-
-    public synchronized boolean add(E e) {
-        boolean ret = super.add(e);
-        handler.post(() -> onAddElement(e));
-        return ret;
-    }
-}

src/main/java/com/topjohnwu/magisk/container/Module.java

@@ -1,21 +1,24 @@
 package com.topjohnwu.magisk.container;
 
-import com.topjohnwu.magisk.utils.Utils;
+import com.topjohnwu.superuser.Shell;
+import com.topjohnwu.superuser.io.SuFile;
+
+import java.io.IOException;
 
 public class Module extends BaseModule {
 
-    private String mRemoveFile, mDisableFile, mUpdateFile;
+    private SuFile mRemoveFile, mDisableFile, mUpdateFile;
     private boolean mEnable, mRemove, mUpdated;
 
     public Module(String path) {
 
         try {
-            parseProps(Utils.readFile(path + "/module.prop"));
+            parseProps(Shell.Sync.su("cat " + path + "/module.prop"));
         } catch (NumberFormatException ignored) {}
 
-        mRemoveFile = path + "/remove";
-        mDisableFile = path + "/disable";
-        mUpdateFile = path + "/update";
+        mRemoveFile = new SuFile(path + "/remove", true);
+        mDisableFile = new SuFile(path + "/disable", true);
+        mUpdateFile = new SuFile(path + "/update", true);
 
         if (getId() == null) {
             int sep = path.lastIndexOf('/');
@@ -26,19 +29,21 @@ public class Module extends BaseModule {
             setName(getId());
         }
 
-        mEnable = !Utils.itemExist(mDisableFile);
-        mRemove = Utils.itemExist(mRemoveFile);
-        mUpdated = Utils.itemExist(mUpdateFile);
+        mEnable = !mDisableFile.exists();
+        mRemove = mRemoveFile.exists();
+        mUpdated = mUpdateFile.exists();
     }
 
     public void createDisableFile() {
         mEnable = false;
-        Utils.createFile(mDisableFile);
+        try {
+            mDisableFile.createNewFile();
+        } catch (IOException ignored) {}
     }
 
     public void removeDisableFile() {
         mEnable = true;
-        Utils.removeItem(mDisableFile);
+        mDisableFile.delete();
     }
 
     public boolean isEnabled() {
@@ -47,12 +52,14 @@ public class Module extends BaseModule {
 
     public void createRemoveFile() {
         mRemove = true;
-        Utils.createFile(mRemoveFile);
+        try {
+            mRemoveFile.createNewFile();
+        } catch (IOException ignored) {}
     }
 
     public void deleteRemoveFile() {
         mRemove = false;
-        Utils.removeItem(mRemoveFile);
+        mRemoveFile.delete();
     }
 
     public boolean willBeRemoved() {

src/main/java/com/topjohnwu/magisk/receivers/ManagerUpdate.java

@@ -40,7 +40,7 @@ public class ManagerUpdate extends BroadcastReceiver {
                     }
                 },
                 intent.getStringExtra(Const.Key.INTENT_SET_LINK),
-                Utils.fmt("MagiskManager-v%s.apk", intent.getStringExtra(Const.Key.INTENT_SET_VERSION))
+                intent.getStringExtra(Const.Key.INTENT_SET_FILENAME)
         );
     }
 }

src/main/java/com/topjohnwu/magisk/receivers/PackageReceiver.java

@@ -5,8 +5,9 @@ import android.content.Context;
 import android.content.Intent;
 
 import com.topjohnwu.magisk.MagiskManager;
-import com.topjohnwu.magisk.utils.Shell;
+import com.topjohnwu.magisk.utils.Const;
 import com.topjohnwu.magisk.utils.Utils;
+import com.topjohnwu.superuser.Shell;
 
 public class PackageReceiver extends BroadcastReceiver {
     @Override
@@ -18,13 +19,13 @@ public class PackageReceiver extends BroadcastReceiver {
         switch (intent.getAction()) {
             case Intent.ACTION_PACKAGE_REPLACED:
                 // This will only work pre-O
-                if (mm.suReauth) {
+                if (mm.prefs.getBoolean(Const.Key.SU_REAUTH, false)) {
                     mm.suDB.deletePolicy(pkg);
                 }
                 break;
             case Intent.ACTION_PACKAGE_FULLY_REMOVED:
                 mm.suDB.deletePolicy(pkg);
-                Shell.su_raw("magiskhide --rm " + pkg);
+                Shell.Async.su("magiskhide --rm " + pkg);
                 break;
         }
     }

src/main/java/com/topjohnwu/magisk/receivers/RebootReceiver.java

@@ -4,11 +4,11 @@ import android.content.BroadcastReceiver;
 import android.content.Context;
 import android.content.Intent;
 
-import com.topjohnwu.magisk.utils.Shell;
+import com.topjohnwu.superuser.Shell;
 
 public class RebootReceiver extends BroadcastReceiver {
     @Override
     public void onReceive(Context context, Intent intent) {
-        Shell.su_raw("/system/bin/reboot");
+        Shell.Async.su("/system/bin/reboot");
     }
 }

src/main/java/com/topjohnwu/magisk/services/OnBootIntentService.java

@@ -8,8 +8,8 @@ import android.support.v4.app.NotificationCompat;
 import com.topjohnwu.magisk.MagiskManager;
 import com.topjohnwu.magisk.R;
 import com.topjohnwu.magisk.utils.Const;
-import com.topjohnwu.magisk.utils.Shell;
 import com.topjohnwu.magisk.utils.Utils;
+import com.topjohnwu.superuser.Shell;
 
 public class OnBootIntentService extends IntentService {
 
@@ -41,6 +41,7 @@ public class OnBootIntentService extends IntentService {
          * */
         MagiskManager mm = Utils.getMagiskManager(this);
         mm.loadMagiskInfo();
+        mm.getDefaultInstallFlags();
         if (Shell.rootAccess()) {
             Utils.patchDTBO();
         }

src/main/java/com/topjohnwu/magisk/superuser/RequestActivity.java

@@ -3,12 +3,14 @@ package com.topjohnwu.magisk.superuser;
 import android.content.ContentValues;
 import android.content.Intent;
 import android.content.pm.PackageManager;
+import android.hardware.fingerprint.FingerprintManager;
 import android.net.LocalSocket;
 import android.net.LocalSocketAddress;
 import android.os.Bundle;
 import android.os.CountDownTimer;
 import android.os.FileObserver;
 import android.text.TextUtils;
+import android.view.View;
 import android.view.Window;
 import android.widget.ArrayAdapter;
 import android.widget.Button;
@@ -23,6 +25,7 @@ import com.topjohnwu.magisk.asyncs.ParallelTask;
 import com.topjohnwu.magisk.components.Activity;
 import com.topjohnwu.magisk.container.Policy;
 import com.topjohnwu.magisk.utils.Const;
+import com.topjohnwu.magisk.utils.FingerprintHelper;
 import com.topjohnwu.magisk.utils.Utils;
 
 import java.io.DataInputStream;
@@ -40,6 +43,8 @@ public class RequestActivity extends Activity {
     @BindView(R.id.package_name) TextView packageNameView;
     @BindView(R.id.grant_btn) Button grant_btn;
     @BindView(R.id.deny_btn) Button deny_btn;
+    @BindView(R.id.fingerprint) ImageView fingerprintImg;
+    @BindView(R.id.warning) TextView warning;
 
     private String socketPath;
     private LocalSocket socket;
@@ -49,6 +54,7 @@ public class RequestActivity extends Activity {
     private boolean hasTimeout;
     private Policy policy;
     private CountDownTimer timer;
+    private FingerprintHelper fingerprintHelper;
 
     @Override
     public int getDarkTheme() {
@@ -62,7 +68,7 @@ public class RequestActivity extends Activity {
 
         pm = getPackageManager();
         mm = Utils.getMagiskManager(this);
-        mm.suDB.cleanup();
+        mm.suDB.clearOutdated();
 
         Intent intent = getIntent();
         socketPath = intent.getStringExtra("socket");
@@ -80,6 +86,15 @@ public class RequestActivity extends Activity {
         new SocketManager(this).exec();
     }
 
+    @Override
+    public void finish() {
+        if (timer != null)
+            timer.cancel();
+        if (fingerprintHelper != null)
+            fingerprintHelper.cancel();
+        super.finish();
+    }
+
     private boolean cancelTimeout() {
         timer.cancel();
         deny_btn.setText(getString(R.string.deny));
@@ -128,11 +143,49 @@ public class RequestActivity extends Activity {
             }
         };
 
-        grant_btn.setOnClickListener(v -> {
-            handleAction(Policy.ALLOW);
-            timer.cancel();
-        });
-        grant_btn.requestFocus();
+        boolean useFingerprint = mm.prefs.getBoolean(Const.Key.SU_FINGERPRINT, false) && FingerprintHelper.canUseFingerprint();
+
+        if (useFingerprint) {
+            try {
+                fingerprintHelper = new FingerprintHelper() {
+                    @Override
+                    public void onAuthenticationError(int errorCode, CharSequence errString) {
+                        warning.setText(errString);
+                    }
+
+                    @Override
+                    public void onAuthenticationHelp(int helpCode, CharSequence helpString) {
+                        warning.setText(helpString);
+                    }
+
+                    @Override
+                    public void onAuthenticationSucceeded(FingerprintManager.AuthenticationResult result) {
+                        handleAction(Policy.ALLOW);
+                    }
+
+                    @Override
+                    public void onAuthenticationFailed() {
+                        warning.setText(R.string.auth_fail);
+                    }
+                };
+                fingerprintHelper.startAuth();
+            } catch (Exception e) {
+                e.printStackTrace();
+                useFingerprint = false;
+            }
+        }
+
+        if (!useFingerprint) {
+            grant_btn.setOnClickListener(v -> {
+                handleAction(Policy.ALLOW);
+                timer.cancel();
+            });
+            grant_btn.requestFocus();
+        }
+
+        grant_btn.setVisibility(useFingerprint ? View.GONE : View.VISIBLE);
+        fingerprintImg.setVisibility(useFingerprint ? View.VISIBLE : View.GONE);
+
         deny_btn.setOnClickListener(v -> {
             handleAction(Policy.DENY);
             timer.cancel();
@@ -151,8 +204,9 @@ public class RequestActivity extends Activity {
     public void onBackPressed() {
         if (policy != null) {
             handleAction(Policy.DENY);
+        } else {
+            finish();
         }
-        finish();
     }
 
     void handleAction() {

src/main/java/com/topjohnwu/magisk/utils/BootSigner.java

@@ -2,12 +2,10 @@ package com.topjohnwu.magisk.utils;
 
 import android.support.annotation.Keep;
 
-import com.topjohnwu.crypto.SignBoot;
+import com.topjohnwu.utils.SignBoot;
 
 import java.io.FileInputStream;
 import java.io.InputStream;
-import java.util.jar.JarEntry;
-import java.util.jar.JarFile;
 
 public class BootSigner {
 
@@ -15,30 +13,23 @@ public class BootSigner {
     public static void main(String[] args) throws Exception {
         if (args.length > 0 && "-verify".equals(args[0])) {
             String certPath = "";
-            if (args.length >= 3 && "-certificate".equals(args[1])) {
-                /* args[2] is the path to a public key certificate */
-                certPath = args[2];
+            if (args.length >= 2) {
+                /* args[1] is the path to a public key certificate */
+                certPath = args[1];
             }
-            /* args[1] is the path to a signed boot image */
             boolean signed = SignBoot.verifySignature(System.in,
                     certPath.isEmpty() ? null : new FileInputStream(certPath));
             System.exit(signed ? 0 : 1);
         } else if (args.length > 0 && "-sign".equals(args[0])) {
-            InputStream keyIn, certIn;
-            if (args.length >= 3) {
-                keyIn = new FileInputStream(args[1]);
-                certIn = new FileInputStream(args[2]);
-            } else {
-                /* Use internal test keys */
-                JarFile apk = new JarFile(System.getProperty("java.class.path"));
-                JarEntry keyEntry = apk.getJarEntry("assets/" + Const.PRIVATE_KEY_NAME);
-                JarEntry sigEntry = apk.getJarEntry("assets/" + Const.PUBLIC_KEY_NAME);
+            InputStream cert = null;
+            InputStream key = null;
 
-                keyIn = apk.getInputStream(keyEntry);
-                certIn = apk.getInputStream(sigEntry);
+            if (args.length >= 3) {
+                cert = new FileInputStream(args[1]);
+                key = new FileInputStream(args[2]);
             }
 
-            boolean success = SignBoot.doSignature("/boot", System.in, System.out, keyIn, certIn);
+            boolean success = SignBoot.doSignature("/boot", System.in, System.out, cert, key);
             System.exit(success ? 0 : 1);
         } else {
             System.err.println(
@@ -48,8 +39,8 @@ public class BootSigner {
                     "Actions:\n" +
                     "   -verify [x509.pem]\n" +
                     "      verify image, cert is optional\n" +
-                    "   -sign [pk8] [x509.pem]\n" +
-                    "      sign image, key and cert are optional\n"
+                    "   -sign [x509.pem] [pk8]\n" +
+                    "      sign image, cert and key pair is optional\n"
             );
         }
     }