2018-01-21 06:07:24 +08:00

313 lines
12 KiB
Java

package com.topjohnwu.magisk.utils;
import android.Manifest;
import android.app.Activity;
import android.app.DownloadManager;
import android.content.Context;
import android.content.Intent;
import android.content.IntentFilter;
import android.content.SharedPreferences;
import android.content.pm.PackageManager;
import android.content.res.AssetManager;
import android.content.res.Configuration;
import android.database.Cursor;
import android.net.ConnectivityManager;
import android.net.NetworkInfo;
import android.net.Uri;
import android.provider.OpenableColumns;
import android.support.annotation.StringRes;
import android.support.design.widget.Snackbar;
import android.support.v4.app.ActivityCompat;
import android.support.v4.content.ContextCompat;
import android.text.TextUtils;
import android.widget.Toast;
import com.google.gson.Gson;
import com.google.gson.reflect.TypeToken;
import com.topjohnwu.magisk.MagiskManager;
import com.topjohnwu.magisk.R;
import com.topjohnwu.magisk.SplashActivity;
import com.topjohnwu.magisk.components.SnackbarMaker;
import com.topjohnwu.magisk.receivers.DownloadReceiver;
import com.topjohnwu.superuser.Shell;
import java.io.File;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.util.ArrayList;
import java.util.Collections;
import java.util.HashSet;
import java.util.List;
import java.util.Locale;
import java.util.Map;
public class Utils {
public static boolean isDownloading = false;
public static boolean itemExist(Object path) {
List<String> ret = Shell.su(fmt("[ -e %s ] && echo true || echo false", path));
return isValidShellResponse(ret) && Boolean.parseBoolean(ret.get(0));
}
public static void createFile(Object path) {
Shell.su_raw(fmt("mkdir -p `dirname '%s'` 2>/dev/null; touch '%s' 2>/dev/null", path, path));
}
public static boolean javaCreateFile(File path) {
path.getParentFile().mkdirs();
try {
path.createNewFile();
return true;
} catch (IOException e) {
e.printStackTrace();
return false;
}
}
public static void removeItem(Object path) {
Shell.su_raw(fmt("rm -rf %s 2>/dev/null", path));
}
public static List<String> readFile(Object path) {
return Shell.su(fmt("cat %s | sed '$a\\ ' | sed '$d'", path));
}
public static String checkInode(Object path) {
List<String> ret = Shell.su(fmt("ls -i %s", path));
return isValidShellResponse(ret) ? ret.get(0).trim().split("\\s+")[0] : path.toString();
}
public static void uninstallPkg(String pkg) {
Shell.su(fmt("umount -l /data/user*/*/%s/*/*.db 2>/dev/null; pm uninstall %s", pkg, pkg));
}
public static void dlAndReceive(Context context, DownloadReceiver receiver, String link, String filename) {
if (isDownloading)
return;
runWithPermission(context, Manifest.permission.WRITE_EXTERNAL_STORAGE, () -> {
File file = new File(Const.EXTERNAL_PATH, getLegalFilename(filename));
if ((!file.getParentFile().exists() && !file.getParentFile().mkdirs())
|| (file.exists() && !file.delete())) {
Toast.makeText(context, R.string.permissionNotGranted, Toast.LENGTH_LONG).show();
return;
}
Toast.makeText(context, context.getString(R.string.downloading_toast, filename), Toast.LENGTH_LONG).show();
isDownloading = true;
DownloadManager.Request request = new DownloadManager
.Request(Uri.parse(link))
.setDestinationUri(Uri.fromFile(file));
DownloadManager dm = (DownloadManager) context.getSystemService(Context.DOWNLOAD_SERVICE);
receiver.setDownloadID(dm.enqueue(request)).setFile(file);
context.getApplicationContext().registerReceiver(receiver, new IntentFilter(DownloadManager.ACTION_DOWNLOAD_COMPLETE));
});
}
public static String getLegalFilename(CharSequence filename) {
return filename.toString().replace(" ", "_").replace("'", "").replace("\"", "")
.replace("$", "").replace("`", "").replace("(", "").replace(")", "")
.replace("#", "").replace("@", "").replace("*", "");
}
public static boolean isValidShellResponse(List<String> list) {
if (list != null && list.size() != 0) {
// Check if all empty
for (String res : list) {
if (!TextUtils.isEmpty(res)) return true;
}
}
return false;
}
public static int getPrefsInt(SharedPreferences prefs, String key, int def) {
return Integer.parseInt(prefs.getString(key, String.valueOf(def)));
}
public static int getPrefsInt(SharedPreferences prefs, String key) {
return getPrefsInt(prefs, key, 0);
}
public static MagiskManager getMagiskManager(Context context) {
return (MagiskManager) context.getApplicationContext();
}
public static String getNameFromUri(Context context, Uri uri) {
String name = null;
try (Cursor c = context.getContentResolver().query(uri, null, null, null, null)) {
if (c != null) {
int nameIndex = c.getColumnIndex(OpenableColumns.DISPLAY_NAME);
if (nameIndex != -1) {
c.moveToFirst();
name = c.getString(nameIndex);
}
}
}
if (name == null) {
int idx = uri.getPath().lastIndexOf('/');
name = uri.getPath().substring(idx + 1);
}
return name;
}
public static void showUriSnack(Activity activity, Uri uri) {
SnackbarMaker.make(activity, activity.getString(R.string.internal_storage,
"/MagiskManager/" + Utils.getNameFromUri(activity, uri)),
Snackbar.LENGTH_LONG)
.setAction(R.string.ok, (v)->{}).show();
}
public static boolean checkNetworkStatus() {
ConnectivityManager manager = (ConnectivityManager)
MagiskManager.get().getSystemService(Context.CONNECTIVITY_SERVICE);
NetworkInfo networkInfo = manager.getActiveNetworkInfo();
return networkInfo != null && networkInfo.isConnected();
}
public static String getLocaleString(Locale locale, @StringRes int id) {
Context context = MagiskManager.get();
Configuration config = context.getResources().getConfiguration();
config.setLocale(locale);
Context localizedContext = context.createConfigurationContext(config);
return localizedContext.getString(id);
}
public static List<Locale> getAvailableLocale() {
List<Locale> locales = new ArrayList<>();
HashSet<String> set = new HashSet<>();
Locale locale;
@StringRes int compareId = R.string.download_file_error;
// Add default locale
locales.add(Locale.ENGLISH);
set.add(getLocaleString(Locale.ENGLISH, compareId));
// Add some special locales
locales.add(Locale.TAIWAN);
set.add(getLocaleString(Locale.TAIWAN, compareId));
locale = new Locale("pt", "BR");
locales.add(locale);
set.add(getLocaleString(locale, compareId));
// Other locales
for (String s : MagiskManager.get().getAssets().getLocales()) {
locale = Locale.forLanguageTag(s);
if (set.add(getLocaleString(locale, compareId))) {
locales.add(locale);
}
}
Collections.sort(locales, (l1, l2) -> l1.getDisplayName(l1).compareTo(l2.getDisplayName(l2)));
return locales;
}
public static void runWithPermission(Context context, String permission, Runnable callback) {
if (ContextCompat.checkSelfPermission(context, permission) != PackageManager.PERMISSION_GRANTED) {
// Passed in context should be an activity if not granted, need to show dialog!
Utils.getMagiskManager(context).setPermissionGrantCallback(callback);
if (!(context instanceof com.topjohnwu.magisk.components.Activity)) {
// Start activity to show dialog
Intent intent = new Intent(context, SplashActivity.class);
intent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
intent.putExtra(Const.Key.INTENT_PERM, permission);
context.startActivity(intent);
} else {
ActivityCompat.requestPermissions((Activity) context, new String[] { permission }, 0);
}
} else {
callback.run();
}
}
public static File getDB(String dbName) {
return getDB(MagiskManager.get(), dbName);
}
public static File getDB(Context context, String dbName) {
return new File(context.getFilesDir().getParent() + "/databases", dbName);
}
public static AssetManager getAssets(String apk) {
try {
AssetManager asset = AssetManager.class.newInstance();
AssetManager.class.getMethod("addAssetPath", String.class).invoke(asset, apk);
return asset;
} catch (Exception e) {
e.printStackTrace();
return null;
}
}
public static int inToOut(InputStream in, OutputStream out) throws IOException {
int read, total = 0;
byte buffer[] = new byte[4096];
while ((read = in.read(buffer)) > 0) {
out.write(buffer, 0, read);
total += read;
}
out.flush();
return total;
}
public static void patchDTBO() {
MagiskManager mm = MagiskManager.get();
if (mm.magiskVersionCode >= 1446 && !mm.keepVerity) {
List<String> ret = Shell.su("patch_dtbo_image && echo true || echo false");
if (Utils.isValidShellResponse(ret) && Boolean.parseBoolean(ret.get(ret.size() - 1))) {
ShowUI.dtboPatchedNotification();
}
}
}
public static int dpInPx(int dp) {
Context context = MagiskManager.get();
float scale = context.getResources().getDisplayMetrics().density;
return (int) (dp * scale + 0.5);
}
public static void dumpPrefs() {
Gson gson = new Gson();
Map<String, ?> prefs = MagiskManager.get().prefs.getAll();
prefs.remove("App Restrictions");
String json = gson.toJson(prefs, new TypeToken<Map<String, ?>>(){}.getType());
Shell.su(fmt("for usr in /data/user/*; do echo '%s' > ${usr}/%s; done", json, Const.MANAGER_CONFIGS));
}
public static void loadPrefs() {
String config = fmt("/data/user/%d/%s", Const.USER_ID, Const.MANAGER_CONFIGS);
List<String> ret = readFile(config);
if (isValidShellResponse(ret)) {
SharedPreferences.Editor editor = MagiskManager.get().prefs.edit();
String json = ret.get(0);
Gson gson = new Gson();
Map<String, ?> prefMap = gson.fromJson(json, new TypeToken<Map<String, ?>>(){}.getType());
editor.clear();
for (Map.Entry<String, ?> entry : prefMap.entrySet()) {
Object value = entry.getValue();
if (value instanceof String) {
editor.putString(entry.getKey(), (String) value);
} else if (value instanceof Boolean) {
editor.putBoolean(entry.getKey(), (boolean) value);
} else if (value instanceof Number) {
editor.putInt(entry.getKey(), ((Number) value).intValue());
}
}
editor.remove(Const.Key.ETAG_KEY);
editor.apply();
MagiskManager.get().loadConfig();
removeItem(config);
}
}
public static String fmt(String fmt, Object... args) {
return String.format(Locale.US, fmt, args);
}
}