/*
* Copyright (C) 2006 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package android.app;
import com.android.internal.policy.PolicyManager;
import com.android.internal.util.Preconditions;
import android.bluetooth.BluetoothManager;
import android.content.BroadcastReceiver;
import android.content.ComponentName;
import android.content.ContentResolver;
import android.content.Context;
import android.content.ContextWrapper;
import android.content.IContentProvider;
import android.content.Intent;
import android.content.IntentFilter;
import android.content.IIntentReceiver;
import android.content.IntentSender;
import android.content.ReceiverCallNotAllowedException;
import android.content.ServiceConnection;
import android.content.SharedPreferences;
import android.content.pm.ApplicationInfo;
import android.content.pm.IPackageManager;
import android.content.pm.PackageManager;
import android.content.pm.PackageManager.NameNotFoundException;
import android.content.res.AssetManager;
import android.content.res.CompatibilityInfo;
import android.content.res.Configuration;
import android.content.res.Resources;
import android.database.DatabaseErrorHandler;
import android.database.sqlite.SQLiteDatabase;
import android.database.sqlite.SQLiteDatabase.CursorFactory;
import android.graphics.Bitmap;
import android.graphics.drawable.Drawable;
import android.hardware.ISerialManager;
import android.hardware.SerialManager;
import android.hardware.SystemSensorManager;
import android.hardware.display.DisplayManager;
import android.hardware.input.InputManager;
import android.hardware.usb.IUsbManager;
import android.hardware.usb.UsbManager;
import android.location.CountryDetector;
import android.location.ICountryDetector;
import android.location.ILocationManager;
import android.location.LocationManager;
import android.media.AudioManager;
import android.media.MediaRouter;
import android.net.ConnectivityManager;
import android.net.IConnectivityManager;
import android.net.INetworkPolicyManager;
import android.net.NetworkPolicyManager;
import android.net.Uri;
import android.net.nsd.INsdManager;
import android.net.nsd.NsdManager;
import android.net.wifi.IWifiManager;
import android.net.wifi.WifiManager;
import android.net.wifi.p2p.IWifiP2pManager;
import android.net.wifi.p2p.WifiP2pManager;
import android.nfc.NfcManager;
import android.os.Binder;
import android.os.Bundle;
import android.os.Debug;
import android.os.DropBoxManager;
import android.os.Environment;
import android.os.FileUtils;
import android.os.Handler;
import android.os.IBinder;
import android.os.IPowerManager;
import android.os.IUserManager;
import android.os.Looper;
import android.os.PowerManager;
import android.os.Process;
import android.os.RemoteException;
import android.os.ServiceManager;
import android.os.UserHandle;
import android.os.SystemVibrator;
import android.os.UserManager;
import android.os.storage.StorageManager;
import android.telephony.TelephonyManager;
import android.content.ClipboardManager;
import android.util.AndroidRuntimeException;
import android.util.Log;
import android.util.Slog;
import android.view.CompatibilityInfoHolder;
import android.view.ContextThemeWrapper;
import android.view.Display;
import android.view.WindowManagerImpl;
import android.view.accessibility.AccessibilityManager;
import android.view.inputmethod.InputMethodManager;
import android.view.textservice.TextServicesManager;
import android.accounts.AccountManager;
import android.accounts.IAccountManager;
import android.app.admin.DevicePolicyManager;
import com.android.internal.app.IAppOpsService;
import com.android.internal.os.IDropBoxManagerService;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.util.ArrayList;
import java.util.HashMap;
class ReceiverRestrictedContext extends ContextWrapper {
ReceiverRestrictedContext(Context base) {
super(base);
}
@Override
public Intent registerReceiver(BroadcastReceiver receiver, IntentFilter filter) {
return registerReceiver(receiver, filter, null, null);
}
@Override
public Intent registerReceiver(BroadcastReceiver receiver, IntentFilter filter,
String broadcastPermission, Handler scheduler) {
if (receiver == null) {
// Allow retrieving current sticky broadcast; this is safe since we
// aren't actually registering a receiver.
return super.registerReceiver(null, filter, broadcastPermission, scheduler);
} else {
throw new ReceiverCallNotAllowedException(
"BroadcastReceiver components are not allowed to register to receive intents");
}
}
@Override
public Intent registerReceiverAsUser(BroadcastReceiver receiver, UserHandle user,
IntentFilter filter, String broadcastPermission, Handler scheduler) {
if (receiver == null) {
// Allow retrieving current sticky broadcast; this is safe since we
// aren't actually registering a receiver.
return super.registerReceiverAsUser(null, user, filter, broadcastPermission, scheduler);
} else {
throw new ReceiverCallNotAllowedException(
"BroadcastReceiver components are not allowed to register to receive intents");
}
}
@Override
public boolean bindService(Intent service, ServiceConnection conn, int flags) {
throw new ReceiverCallNotAllowedException(
"BroadcastReceiver components are not allowed to bind to services");
}
}
/**
* Common implementation of Context API, which provides the base
* context object for Activity and other application components.
*/
class ContextImpl extends Context {
private final static String TAG = "ContextImpl";
private final static boolean DEBUG = false;
private static final HashMap<String, SharedPreferencesImpl> sSharedPrefs =
new HashMap<String, SharedPreferencesImpl>();
/*package*/ LoadedApk mPackageInfo;
private String mBasePackageName;
private Resources mResources;
/*package*/ ActivityThread mMainThread;
private Context mOuterContext;
private IBinder mActivityToken = null;
private ApplicationContentResolver mContentResolver;
private int mThemeResource = 0;
private Resources.Theme mTheme = null;
private PackageManager mPackageManager;
private Display mDisplay; // may be null if default display
private Context mReceiverRestrictedContext = null;
private boolean mRestricted;
private UserHandle mUser;
private final Object mSync = new Object();
private File mDatabasesDir;
private File mPreferencesDir;
private File mFilesDir;
private File mCacheDir;
private File mObbDir;
private File mExternalFilesDir;
private File mExternalCacheDir;
private static final String[] EMPTY_FILE_LIST = {};
/**
* Override this class when the system service constructor needs a
* ContextImpl. Else, use StaticServiceFetcher below.
*/
/*package*/ static class ServiceFetcher {
int mContextCacheIndex = -1;
/**
* Main entrypoint; only override if you don't need caching.
*/
public Object getService(ContextImpl ctx) {
ArrayList<Object> cache = ctx.mServiceCache;
Object service;
synchronized (cache) {
if (cache.size() == 0) {
// Initialize the cache vector on first access.
// At this point sNextPerContextServiceCacheIndex
// is the number of potential services that are
// cached per-Context.
for (int i = 0; i < sNextPerContextServiceCacheIndex; i++) {
cache.add(null);
}
} else {
service = cache.get(mContextCacheIndex);
if (service != null) {
return service;
}
}
service = createService(ctx);
cache.set(mContextCacheIndex, service);
return service;
}
}
/**
* Override this to create a new per-Context instance of the
* service. getService() will handle locking and caching.
*/
public Object createService(ContextImpl ctx) {
throw new RuntimeException("Not implemented");
}
}
/**
* Override this class for services to be cached process-wide.
*/
abstract static class StaticServiceFetcher extends ServiceFetcher {
private Object mCachedInstance;
@Override
public final Object getService(ContextImpl unused) {
synchronized (StaticServiceFetcher.this) {
Object service = mCachedInstance;
if (service != null) {
return service;
}
return mCachedInstance = createStaticService();
}
}
public abstract Object createStaticService();
}
private static final HashMap<String, ServiceFetcher> SYSTEM_SERVICE_MAP =
new HashMap<String, ServiceFetcher>();
private static int sNextPerContextServiceCacheIndex = 0;
private static void registerService(String serviceName, ServiceFetcher fetcher) {
if (!(fetcher instanceof StaticServiceFetcher)) {
fetcher.mContextCacheIndex = sNextPerContextServiceCacheIndex++;
}
SYSTEM_SERVICE_MAP.put(serviceName, fetcher);
}
// This one's defined separately and given a variable name so it
// can be re-used by getWallpaperManager(), avoiding a HashMap
// lookup.
private static ServiceFetcher WALLPAPER_FETCHER = new ServiceFetcher() {
public Object createService(ContextImpl ctx) {
return new WallpaperManager(ctx.getOuterContext(),
ctx.mMainThread.getHandler());
}};
static {
registerService(ACCESSIBILITY_SERVICE, new ServiceFetcher() {
public Object getService(ContextImpl ctx) {
return AccessibilityManager.getInstance(ctx);
}});
registerService(ACCOUNT_SERVICE, new ServiceFetcher() {
public Object createService(ContextImpl ctx) {
IBinder b = ServiceManager.getService(ACCOUNT_SERVICE);
IAccountManager service = IAccountManager.Stub.asInterface(b);
return new AccountManager(ctx, service);
}});
registerService(ACTIVITY_SERVICE, new ServiceFetcher() {
public Object createService(ContextImpl ctx) {
return new ActivityManager(ctx.getOuterContext(), ctx.mMainThread.getHandler());
}});
registerService(ALARM_SERVICE, new StaticServiceFetcher() {
public Object createStaticService() {
IBinder b = ServiceManager.getService(ALARM_SERVICE);
IAlarmManager service = IAlarmManager.Stub.asInterface(b);
return new AlarmManager(service);
}});
registerService(AUDIO_SERVICE, new ServiceFetcher() {
public Object createService(ContextImpl ctx) {
return new AudioManager(ctx);
}});
registerService(MEDIA_ROUTER_SERVICE, new ServiceFetcher() {
public Object createService(ContextImpl ctx) {
return new MediaRouter(ctx);
}});
registerService(BLUETOOTH_SERVICE, new ServiceFetcher() {
public Object createService(ContextImpl ctx) {
return new BluetoothManager(ctx);
}});
registerService(CLIPBOARD_SERVICE, new ServiceFetcher() {
public Object createService(ContextImpl ctx) {
return new ClipboardManager(ctx.getOuterContext(),
ctx.mMainThread.getHandler());
}});
registerService(CONNECTIVITY_SERVICE, new StaticServiceFetcher() {
public Object createStaticService() {
IBinder b = ServiceManager.getService(CONNECTIVITY_SERVICE);
return new ConnectivityManager(IConnectivityManager.Stub.asInterface(b));
}});
registerService(COUNTRY_DETECTOR, new StaticServiceFetcher() {
public Object createStaticService() {
IBinder b = ServiceManager.getService(COUNTRY_DETECTOR);
return new CountryDetector(ICountryDetector.Stub.asInterface(b));
}});
registerService(DEVICE_POLICY_SERVICE, new ServiceFetcher() {
public Object createService(ContextImpl ctx) {
return DevicePolicyManager.create(ctx, ctx.mMainThread.getHandler());
}});
registerService(DOWNLOAD_SERVICE, new ServiceFetcher() {
public Object createService(ContextImpl ctx) {
return new DownloadManager(ctx.getContentResolver(), ctx.getPackageName());
}});
registerService(NFC_SERVICE, new ServiceFetcher() {
public Object createService(ContextImpl ctx) {
return new NfcManager(ctx);
}});
registerService(DROPBOX_SERVICE, new StaticServiceFetcher() {
public Object createStaticService() {
return createDropBoxManager();
}});
registerService(INPUT_SERVICE, new StaticServiceFetcher() {
public Object createStaticService() {
return InputManager.getInstance();
}});
registerService(DISPLAY_SERVICE, new ServiceFetcher() {
@Override
public Object createService(ContextImpl ctx) {
return new DisplayManager(ctx.getOuterContext());
}});
registerService(INPUT_METHOD_SERVICE, new StaticServiceFetcher() {
public Object createStaticService() {
return InputMethodManager.getInstance();
}});
registerService(TEXT_SERVICES_MANAGER_SERVICE, new ServiceFetcher() {
public Object createService(ContextImpl ctx) {
return TextServicesManager.getInstance();
}});
registerService(KEYGUARD_SERVICE, new ServiceFetcher() {
public Object getService(ContextImpl ctx) {
// TODO: why isn't this caching it? It wasn't
// before, so I'm preserving the old behavior and
// using getService(), instead of createService()
// which would do the caching.
return new KeyguardManager();
}});
registerService(LAYOUT_INFLATER_SERVICE, new ServiceFetcher() {
public Object createService(ContextImpl ctx) {
return PolicyManager.makeNewLayoutInflater(ctx.getOuterContext());
}});
registerService(LOCATION_SERVICE, new ServiceFetcher() {
public Object createService(ContextImpl ctx) {
IBinder b = ServiceManager.getService(LOCATION_SERVICE);
return new LocationManager(ctx, ILocationManager.Stub.asInterface(b));
}});
registerService(NETWORK_POLICY_SERVICE, new ServiceFetcher() {
@Override
public Object createService(ContextImpl ctx) {
return new NetworkPolicyManager(INetworkPolicyManager.Stub.asInterface(
ServiceManager.getService(NETWORK_POLICY_SERVICE)));
}
});
registerService(NOTIFICATION_SERVICE, new ServiceFetcher() {
public Object createService(ContextImpl ctx) {
final Context outerContext = ctx.getOuterContext();
return new NotificationManager(
new ContextThemeWrapper(outerContext,
Resources.selectSystemTheme(0,
outerContext.getApplicationInfo().targetSdkVersion,
com.android.internal.R.style.Theme_Dialog,
com.android.internal.R.style.Theme_Holo_Dialog,
com.android.internal.R.style.Theme_DeviceDefault_Dialog)),
ctx.mMainThread.getHandler());
}});
registerService(NSD_SERVICE, new ServiceFetcher() {
@Override
public Object createService(ContextImpl ctx) {
IBinder b = ServiceManager.getService(NSD_SERVICE);
INsdManager service = INsdManager.Stub.asInterface(b);
return new NsdManager(ctx.getOuterContext(), service);
}});
// Note: this was previously cached in a static variable, but
// constructed using mMainThread.getHandler(), so converting
// it to be a regular Context-cached service...
registerService(POWER_SERVICE, new ServiceFetcher() {
public Object createService(ContextImpl ctx) {
IBinder b = ServiceManager.getService(POWER_SERVICE);
IPowerManager service = IPowerManager.Stub.asInterface(b);
return new PowerManager(ctx.getOuterContext(),
service, ctx.mMainThread.getHandler());
}});
registerService(SEARCH_SERVICE, new ServiceFetcher() {
public Object createService(ContextImpl ctx) {
return new SearchManager(ctx.getOuterContext(),
ctx.mMainThread.getHandler());
}});
registerService(SENSOR_SERVICE, new ServiceFetcher() {
public Object createService(ContextImpl ctx) {
return new SystemSensorManager(ctx.getOuterContext(),
ctx.mMainThread.getHandler().getLooper());
}});
registerService(STATUS_BAR_SERVICE, new ServiceFetcher() {
public Object createService(ContextImpl ctx) {
return new StatusBarManager(ctx.getOuterContext());
}});
registerService(STORAGE_SERVICE, new ServiceFetcher() {
public Object createService(ContextImpl ctx) {
try {
return new StorageManager(
ctx.getContentResolver(), ctx.mMainThread.getHandler().getLooper());
} catch (RemoteException rex) {
Log.e(TAG, "Failed to create StorageManager", rex);
return null;
}
}});
registerService(TELEPHONY_SERVICE, new ServiceFetcher() {
public Object createService(ContextImpl ctx) {
return new TelephonyManager(ctx.getOuterContext());
}});
registerService(UI_MODE_SERVICE, new ServiceFetcher() {
public Object createService(ContextImpl ctx) {
return new UiModeManager();
}});
registerService(USB_SERVICE, new ServiceFetcher() {
public Object createService(ContextImpl ctx) {
IBinder b = ServiceManager.getService(USB_SERVICE);
return new UsbManager(ctx, IUsbManager.Stub.asInterface(b));
}});
registerService(SERIAL_SERVICE, new ServiceFetcher() {
public Object createService(ContextImpl ctx) {
IBinder b = ServiceManager.getService(SERIAL_SERVICE);
return new SerialManager(ctx, ISerialManager.Stub.asInterface(b));
}});
registerService(VIBRATOR_SERVICE, new ServiceFetcher() {
public Object createService(ContextImpl ctx) {
return new SystemVibrator(ctx);
}});
registerService(WALLPAPER_SERVICE, WALLPAPER_FETCHER);
registerService(WIFI_SERVICE, new ServiceFetcher() {
public Object createService(ContextImpl ctx) {
IBinder b = ServiceManager.getService(WIFI_SERVICE);
IWifiManager service = IWifiManager.Stub.asInterface(b);
return new WifiManager(ctx.getOuterContext(), service);
}});
registerService(WIFI_P2P_SERVICE, new ServiceFetcher() {
public Object createService(ContextImpl ctx) {
IBinder b = ServiceManager.getService(WIFI_P2P_SERVICE);
IWifiP2pManager service = IWifiP2pManager.Stub.asInterface(b);
return new WifiP2pManager(service);
}});
registerService(WINDOW_SERVICE, new ServiceFetcher() {
public Object getService(ContextImpl ctx) {
Display display = ctx.mDisplay;
if (display == null) {
DisplayManager dm = (DisplayManager)ctx.getOuterContext().getSystemService(
Context.DISPLAY_SERVICE);
display = dm.getDisplay(Display.DEFAULT_DISPLAY);
}
return new WindowManagerImpl(display);
}});
registerService(USER_SERVICE, new ServiceFetcher() {
public Object createService(ContextImpl ctx) {
IBinder b = ServiceManager.getService(USER_SERVICE);
IUserManager service = IUserManager.Stub.asInterface(b);
return new UserManager(ctx, service);
}});
registerService(APP_OPS_SERVICE, new ServiceFetcher() {
public Object createService(ContextImpl ctx) {
IBinder b = ServiceManager.getService(APP_OPS_SERVICE);
IAppOpsService service = IAppOpsService.Stub.asInterface(b);
return new AppOpsManager(ctx, service);
}});
}
static ContextImpl getImpl(Context context) {
Context nextContext;
while ((context instanceof ContextWrapper) &&
(nextContext=((ContextWrapper)context).getBaseContext()) != null) {
context = nextContext;
}
return (ContextImpl)context;
}
// The system service cache for the system services that are
// cached per-ContextImpl. Package-scoped to avoid accessor
// methods.
final ArrayList<Object> mServiceCache = new ArrayList<Object>();
@Override
public AssetManager getAssets() {
return getResources().getAssets();
}
@Override
public Resources getResources() {
return mResources;
}
@Override
public PackageManager getPackageManager() {
if (mPackageManager != null) {
return mPackageManager;
}
IPackageManager pm = ActivityThread.getPackageManager();
if (pm != null) {
// Doesn't matter if we make more than one instance.
return (mPackageManager = new ApplicationPackageManager(this, pm));
}
return null;
}
@Override
public ContentResolver getContentResolver() {
return mContentResolver;
}
@Override
public Looper getMainLooper() {
return mMainThread.getLooper();
}
@Override
public Context getApplicationContext() {
return (mPackageInfo != null) ?
mPackageInfo.getApplication() : mMainThread.getApplication();
}
@Override
public void setTheme(int resid) {
mThemeResource = resid;
}
@Override
public int getThemeResId() {
return mThemeResource;
}
@Override
public Resources.Theme getTheme() {
if (mTheme == null) {
mThemeResource = Resources.selectDefaultTheme(mThemeResource,
getOuterContext().getApplicationInfo().targetSdkVersion);
mTheme = mResources.newTheme();
mTheme.applyStyle(mThemeResource, true);
}
return mTheme;
}
@Override
public ClassLoader getClassLoader() {
return mPackageInfo != null ?
mPackageInfo.getClassLoader() : ClassLoader.getSystemClassLoader();
}
@Override
public String getPackageName() {
if (mPackageInfo != null) {
return mPackageInfo.getPackageName();
}
// No mPackageInfo means this is a Context for the system itself,
// and this here is its name.
return "android";
}
/** @hide */
@Override
public String getBasePackageName() {
return mBasePackageName != null ? mBasePackageName : getPackageName();
}
@Override
public ApplicationInfo getApplicationInfo() {
if (mPackageInfo != null) {
return mPackageInfo.getApplicationInfo();
}
throw new RuntimeException("Not supported in system context");
}
@Override
public String getPackageResourcePath() {
if (mPackageInfo != null) {
return mPackageInfo.getResDir();
}
throw new RuntimeException("Not supported in system context");
}
@Override
public String getPackageCodePath() {
if (mPackageInfo != null) {
return mPackageInfo.getAppDir();
}
throw new RuntimeException("Not supported in system context");
}
public File getSharedPrefsFile(String name) {
return makeFilename(getPreferencesDir(), name + ".xml");
}
@Override
public SharedPreferences getSharedPreferences(String name, int mode) {
SharedPreferencesImpl sp;
synchronized (sSharedPrefs) {
sp = sSharedPrefs.get(name);
if (sp == null) {
File prefsFile = getSharedPrefsFile(name);
sp = new SharedPreferencesImpl(prefsFile, mode);
sSharedPrefs.put(name, sp);
return sp;
}
}
if ((mode & Context.MODE_MULTI_PROCESS) != 0 ||
getApplicationInfo().targetSdkVersion < android.os.Build.VERSION_CODES.HONEYCOMB) {
// If somebody else (some other process) changed the prefs
// file behind our back, we reload it. This has been the
// historical (if undocumented) behavior.
sp.startReloadIfChangedUnexpectedly();
}
return sp;
}
private File getPreferencesDir() {
synchronized (mSync) {
if (mPreferencesDir == null) {
mPreferencesDir = new File(getDataDirFile(), "shared_prefs");
}
return mPreferencesDir;
}
}
@Override
public FileInputStream openFileInput(String name)
throws FileNotFoundException {
File f = makeFilename(getFilesDir(), name);
return new FileInputStream(f);
}
@Override
public FileOutputStream openFileOutput(String name, int mode)
throws FileNotFoundException {
final boolean append = (mode&MODE_APPEND) != 0;
File f = makeFilename(getFilesDir(), name);
try {
FileOutputStream fos = new FileOutputStream(f, append);
setFilePermissionsFromMode(f.getPath(), mode, 0);
return fos;
} catch (FileNotFoundException e) {
}
File parent = f.getParentFile();
parent.mkdir();
FileUtils.setPermissions(
parent.getPath(),
FileUtils.S_IRWXU|FileUtils.S_IRWXG|FileUtils.S_IXOTH,
-1, -1);
FileOutputStream fos = new FileOutputStream(f, append);
setFilePermissionsFromMode(f.getPath(), mode, 0);
return fos;
}
@Override
public boolean deleteFile(String name) {
File f = makeFilename(getFilesDir(), name);
return f.delete();
}
@Override
public File getFilesDir() {
synchronized (mSync) {
if (mFilesDir == null) {
mFilesDir = new File(getDataDirFile(), "files");
}
if (!mFilesDir.exists()) {
if(!mFilesDir.mkdirs()) {
Log.w(TAG, "Unable to create files directory " + mFilesDir.getPath());
return null;
}
FileUtils.setPermissions(
mFilesDir.getPath(),
FileUtils.S_IRWXU|FileUtils.S_IRWXG|FileUtils.S_IXOTH,
-1, -1);
}
return mFilesDir;
}
}
@Override
public File getExternalFilesDir(String type) {
synchronized (mSync) {
if (mExternalFilesDir == null) {
mExternalFilesDir = Environment.getExternalStorageAppFilesDirectory(
getPackageName());
}
if (!mExternalFilesDir.exists()) {
try {
(new File(Environment.getExternalStorageAndroidDataDir(),
".nomedia")).createNewFile();
} catch (IOException e) {
}
if (!mExternalFilesDir.mkdirs()) {
Log.w(TAG, "Unable to create external files directory");
return null;
}
}
if (type == null) {
return mExternalFilesDir;
}
File dir = new File(mExternalFilesDir, type);
if (!dir.exists()) {
if (!dir.mkdirs()) {
Log.w(TAG, "Unable to create external media directory " + dir);
return null;
}
}
return dir;
}
}
@Override
public File getObbDir() {
synchronized (mSync) {
if (mObbDir == null) {
mObbDir = Environment.getExternalStorageAppObbDirectory(
getPackageName());
}
return mObbDir;
}
}
@Override
public File getCacheDir() {
synchronized (mSync) {
if (mCacheDir == null) {
mCacheDir = new File(getDataDirFile(), "cache");
}
if (!mCacheDir.exists()) {
if(!mCacheDir.mkdirs()) {
Log.w(TAG, "Unable to create cache directory " + mCacheDir.getAbsolutePath());
return null;
}
FileUtils.setPermissions(
mCacheDir.getPath(),
FileUtils.S_IRWXU|FileUtils.S_IRWXG|FileUtils.S_IXOTH,
-1, -1);
}
}
return mCacheDir;
}
@Override
public File getExternalCacheDir() {
synchronized (mSync) {
if (mExternalCacheDir == null) {
mExternalCacheDir = Environment.getExternalStorageAppCacheDirectory(
getPackageName());
}
if (!mExternalCacheDir.exists()) {
try {
(new File(Environment.getExternalStorageAndroidDataDir(),
".nomedia")).createNewFile();
} catch (IOException e) {
}
if (!mExternalCacheDir.mkdirs()) {
Log.w(TAG, "Unable to create external cache directory");
return null;
}
}
return mExternalCacheDir;
}
}
@Override
public File getFileStreamPath(String name) {
return makeFilename(getFilesDir(), name);
}
@Override
public String[] fileList() {
final String[] list = getFilesDir().list();
return (list != null) ? list : EMPTY_FILE_LIST;
}
@Override
public SQLiteDatabase openOrCreateDatabase(String name, int mode, CursorFactory factory) {
return openOrCreateDatabase(name, mode, factory, null);
}
@Override
public SQLiteDatabase openOrCreateDatabase(String name, int mode, CursorFactory factory,
DatabaseErrorHandler errorHandler) {
File f = validateFilePath(name, true);
int flags = SQLiteDatabase.CREATE_IF_NECESSARY;
if ((mode & MODE_ENABLE_WRITE_AHEAD_LOGGING) != 0) {
flags |= SQLiteDatabase.ENABLE_WRITE_AHEAD_LOGGING;
}
SQLiteDatabase db = SQLiteDatabase.openDatabase(f.getPath(), factory, flags, errorHandler);
setFilePermissionsFromMode(f.getPath(), mode, 0);
return db;
}
@Override
public boolean deleteDatabase(String name) {
try {
File f = validateFilePath(name, false);
return SQLiteDatabase.deleteDatabase(f);
} catch (Exception e) {
}
return false;
}
@Override
public File getDatabasePath(String name) {
return validateFilePath(name, false);
}
@Override
public String[] databaseList() {
final String[] list = getDatabasesDir().list();
return (list != null) ? list : EMPTY_FILE_LIST;
}
private File getDatabasesDir() {
synchronized (mSync) {
if (mDatabasesDir == null) {
mDatabasesDir = new File(getDataDirFile(), "databases");
}
if (mDatabasesDir.getPath().equals("databases")) {
mDatabasesDir = new File("/data/system");
}
return mDatabasesDir;
}
}
@Override
public Drawable getWallpaper() {
return getWallpaperManager().getDrawable();
}
@Override
public Drawable peekWallpaper() {
return getWallpaperManager().peekDrawable();
}
@Override
public int getWallpaperDesiredMinimumWidth() {
return getWallpaperManager().getDesiredMinimumWidth();
}
@Override
public int getWallpaperDesiredMinimumHeight() {
return getWallpaperManager().getDesiredMinimumHeight();
}
@Override
public void setWallpaper(Bitmap bitmap) throws IOException {
getWallpaperManager().setBitmap(bitmap);
}
@Override
public void setWallpaper(InputStream data) throws IOException {
getWallpaperManager().setStream(data);
}
@Override
public void clearWallpaper() throws IOException {
getWallpaperManager().clear();
}
@Override
public void startActivity(Intent intent) {
warnIfCallingFromSystemProcess();
startActivity(intent, null);
}
/** @hide */
@Override
public void startActivityAsUser(Intent intent, UserHandle user) {
startActivityAsUser(intent, null, user);
}
@Override
public void startActivity(Intent intent, Bundle options) {
warnIfCallingFromSystemProcess();
if ((intent.getFlags()&Intent.FLAG_ACTIVITY_NEW_TASK) == 0) {
throw new AndroidRuntimeException(
"Calling startActivity() from outside of an Activity "
+ " context requires the FLAG_ACTIVITY_NEW_TASK flag."
+ " Is this really what you want?");
}
mMainThread.getInstrumentation().execStartActivity(
getOuterContext(), mMainThread.getApplicationThread(), null,
(Activity)null, intent, -1, options);
}
/** @hide */
@Override
public void startActivityAsUser(Intent intent, Bundle options, UserHandle user) {
try {
ActivityManagerNative.getDefault().startActivityAsUser(
mMainThread.getApplicationThread(), getBasePackageName(), intent,
intent.resolveTypeIfNeeded(getContentResolver()),
null, null, 0, Intent.FLAG_ACTIVITY_NEW_TASK, null, null, options,
user.getIdentifier());
} catch (RemoteException re) {
}
}
@Override
public void startActivities(Intent[] intents) {
warnIfCallingFromSystemProcess();
startActivities(intents, null);
}
/** @hide */
@Override
public void startActivitiesAsUser(Intent[] intents, Bundle options, UserHandle userHandle) {
if ((intents[0].getFlags()&Intent.FLAG_ACTIVITY_NEW_TASK) == 0) {
throw new AndroidRuntimeException(
"Calling startActivities() from outside of an Activity "
+ " context requires the FLAG_ACTIVITY_NEW_TASK flag on first Intent."
+ " Is this really what you want?");
}
mMainThread.getInstrumentation().execStartActivitiesAsUser(
getOuterContext(), mMainThread.getApplicationThread(), null,
(Activity)null, intents, options, userHandle.getIdentifier());
}
@Override
public void startActivities(Intent[] intents, Bundle options) {
warnIfCallingFromSystemProcess();
if ((intents[0].getFlags()&Intent.FLAG_ACTIVITY_NEW_TASK) == 0) {
throw new AndroidRuntimeException(
"Calling startActivities() from outside of an Activity "
+ " context requires the FLAG_ACTIVITY_NEW_TASK flag on first Intent."
+ " Is this really what you want?");
}
mMainThread.getInstrumentation().execStartActivities(
getOuterContext(), mMainThread.getApplicationThread(), null,
(Activity)null, intents, options);
}
@Override
public void startIntentSender(IntentSender intent,
Intent fillInIntent, int flagsMask, int flagsValues, int extraFlags)
throws IntentSender.SendIntentException {
startIntentSender(intent, fillInIntent, flagsMask, flagsValues, extraFlags, null);
}
@Override
public void startIntentSender(IntentSender intent, Intent fillInIntent,
int flagsMask, int flagsValues, int extraFlags, Bundle options)
throws IntentSender.SendIntentException {
try {
String resolvedType = null;
if (fillInIntent != null) {
fillInIntent.migrateExtraStreamToClipData();
fillInIntent.prepareToLeaveProcess();
resolvedType = fillInIntent.resolveTypeIfNeeded(getContentResolver());
}
int result = ActivityManagerNative.getDefault()
.startActivityIntentSender(mMainThread.getApplicationThread(), intent,
fillInIntent, resolvedType, null, null,
0, flagsMask, flagsValues, options);
if (result == ActivityManager.START_CANCELED) {
throw new IntentSender.SendIntentException();
}
Instrumentation.checkStartActivityResult(result, null);
} catch (RemoteException e) {
}
}
@Override
public void sendBroadcast(Intent intent) {
warnIfCallingFromSystemProcess();
String resolvedType = intent.resolveTypeIfNeeded(getContentResolver());
try {
intent.prepareToLeaveProcess();
ActivityManagerNative.getDefault().broadcastIntent(
mMainThread.getApplicationThread(), intent, resolvedType, null,
Activity.RESULT_OK, null, null, null, AppOpsManager.OP_NONE, false, false,
getUserId());
} catch (RemoteException e) {
}
}
@Override
public void sendBroadcast(Intent intent, String receiverPermission) {
warnIfCallingFromSystemProcess();
String resolvedType = intent.resolveTypeIfNeeded(getContentResolver());
try {
intent.prepareToLeaveProcess();
ActivityManagerNative.getDefault().broadcastIntent(
mMainThread.getApplicationThread(), intent, resolvedType, null,
Activity.RESULT_OK, null, null, receiverPermission, AppOpsManager.OP_NONE,
false, false, getUserId());
} catch (RemoteException e) {
}
}
@Override
public void sendBroadcast(Intent intent, String receiverPermission, int appOp) {
warnIfCallingFromSystemProcess();
String resolvedType = intent.resolveTypeIfNeeded(getContentResolver());
try {
intent.prepareToLeaveProcess();
ActivityManagerNative.getDefault().broadcastIntent(
mMainThread.getApplicationThread(), intent, resolvedType, null,
Activity.RESULT_OK, null, null, receiverPermission, appOp, false, false,
getUserId());
} catch (RemoteException e) {
}
}
@Override
public void sendOrderedBroadcast(Intent intent,
String receiverPermission) {
warnIfCallingFromSystemProcess();
String resolvedType = intent.resolveTypeIfNeeded(getContentResolver());
try {
intent.prepareToLeaveProcess();
ActivityManagerNative.getDefault().broadcastIntent(
mMainThread.getApplicationThread(), intent, resolvedType, null,
Activity.RESULT_OK, null, null, receiverPermission, AppOpsManager.OP_NONE, true, false,
getUserId());
} catch (RemoteException e) {
}
}
@Override
public void sendOrderedBroadcast(Intent intent,
String receiverPermission, BroadcastReceiver resultReceiver,
Handler scheduler, int initialCode, String initialData,
Bundle initialExtras) {
sendOrderedBroadcast(intent, receiverPermission, AppOpsManager.OP_NONE,
resultReceiver, scheduler, initialCode, initialData, initialExtras);
}
@Override
public void sendOrderedBroadcast(Intent intent,
String receiverPermission, int appOp, BroadcastReceiver resultReceiver,
Handler scheduler, int initialCode, String initialData,
Bundle initialExtras) {
warnIfCallingFromSystemProcess();
IIntentReceiver rd = null;
if (resultReceiver != null) {
if (mPackageInfo != null) {
if (scheduler == null) {
scheduler = mMainThread.getHandler();
}
rd = mPackageInfo.getReceiverDispatcher(
resultReceiver, getOuterContext(), scheduler,
mMainThread.getInstrumentation(), false);
} else {
if (scheduler == null) {
scheduler = mMainThread.getHandler();
}
rd = new LoadedApk.ReceiverDispatcher(
resultReceiver, getOuterContext(), scheduler, null, false).getIIntentReceiver();
}
}
String resolvedType = intent.resolveTypeIfNeeded(getContentResolver());
try {
intent.prepareToLeaveProcess();
ActivityManagerNative.getDefault().broadcastIntent(
mMainThread.getApplicationThread(), intent, resolvedType, rd,
initialCode, initialData, initialExtras, receiverPermission, appOp,
true, false, getUserId());
} catch (RemoteException e) {
}
}
@Override
public void sendBroadcastAsUser(Intent intent, UserHandle user) {
String resolvedType = intent.resolveTypeIfNeeded(getContentResolver());
try {
intent.prepareToLeaveProcess();
ActivityManagerNative.getDefault().broadcastIntent(mMainThread.getApplicationThread(),
intent, resolvedType, null, Activity.RESULT_OK, null, null, null,
AppOpsManager.OP_NONE, false, false, user.getIdentifier());
} catch (RemoteException e) {
}
}
@Override
public void sendBroadcastAsUser(Intent intent, UserHandle user,
String receiverPermission) {
String resolvedType = intent.resolveTypeIfNeeded(getContentResolver());
try {
intent.prepareToLeaveProcess();
ActivityManagerNative.getDefault().broadcastIntent(
mMainThread.getApplicationThread(), intent, resolvedType, null,
Activity.RESULT_OK, null, null, receiverPermission, AppOpsManager.OP_NONE, false, false,
user.getIdentifier());
} catch (RemoteException e) {
}
}
@Override
public void sendOrderedBroadcastAsUser(Intent intent, UserHandle user,
String receiverPermission, BroadcastReceiver resultReceiver, Handler scheduler,
int initialCode, String initialData, Bundle initialExtras) {
IIntentReceiver rd = null;
if (resultReceiver != null) {
if (mPackageInfo != null) {
if (scheduler == null) {
scheduler = mMainThread.getHandler();
}
rd = mPackageInfo.getReceiverDispatcher(
resultReceiver, getOuterContext(), scheduler,
mMainThread.getInstrumentation(), false);
} else {
if (scheduler == null) {
scheduler = mMainThread.getHandler();
}
rd = new LoadedApk.ReceiverDispatcher(
resultReceiver, getOuterContext(), scheduler, null, false).getIIntentReceiver();
}
}
String resolvedType = intent.resolveTypeIfNeeded(getContentResolver());
try {
intent.prepareToLeaveProcess();
ActivityManagerNative.getDefault().broadcastIntent(
mMainThread.getApplicationThread(), intent, resolvedType, rd,
initialCode, initialData, initialExtras, receiverPermission,
AppOpsManager.OP_NONE, true, false, user.getIdentifier());
} catch (RemoteException e) {
}
}
@Override
public void sendStickyBroadcast(Intent intent) {
warnIfCallingFromSystemProcess();
String resolvedType = intent.resolveTypeIfNeeded(getContentResolver());
try {
intent.prepareToLeaveProcess();
ActivityManagerNative.getDefault().broadcastIntent(
mMainThread.getApplicationThread(), intent, resolvedType, null,
Activity.RESULT_OK, null, null, null, AppOpsManager.OP_NONE, false, true,
getUserId());
} catch (RemoteException e) {
}
}
@Override
public void sendStickyOrderedBroadcast(Intent intent,
BroadcastReceiver resultReceiver,
Handler scheduler, int initialCode, String initialData,
Bundle initialExtras) {
warnIfCallingFromSystemProcess();
IIntentReceiver rd = null;
if (resultReceiver != null) {
if (mPackageInfo != null) {
if (scheduler == null) {
scheduler = mMainThread.getHandler();
}
rd = mPackageInfo.getReceiverDispatcher(
resultReceiver, getOuterContext(), scheduler,
mMainThread.getInstrumentation(), false);
} else {
if (scheduler == null) {
scheduler = mMainThread.getHandler();
}
rd = new LoadedApk.ReceiverDispatcher(
resultReceiver, getOuterContext(), scheduler, null, false).getIIntentReceiver();
}
}
String resolvedType = intent.resolveTypeIfNeeded(getContentResolver());
try {
intent.prepareToLeaveProcess();
ActivityManagerNative.getDefault().broadcastIntent(
mMainThread.getApplicationThread(), intent, resolvedType, rd,
initialCode, initialData, initialExtras, null,
AppOpsManager.OP_NONE, true, true, getUserId());
} catch (RemoteException e) {
}
}
@Override
public void removeStickyBroadcast(Intent intent) {
String resolvedType = intent.resolveTypeIfNeeded(getContentResolver());
if (resolvedType != null) {
intent = new Intent(intent);
intent.setDataAndType(intent.getData(), resolvedType);
}
try {
intent.prepareToLeaveProcess();
ActivityManagerNative.getDefault().unbroadcastIntent(
mMainThread.getApplicationThread(), intent, getUserId());
} catch (RemoteException e) {
}
}
@Override
public void sendStickyBroadcastAsUser(Intent intent, UserHandle user) {
String resolvedType = intent.resolveTypeIfNeeded(getContentResolver());
try {
intent.prepareToLeaveProcess();
ActivityManagerNative.getDefault().broadcastIntent(
mMainThread.getApplicationThread(), intent, resolvedType, null,
Activity.RESULT_OK, null, null, null, AppOpsManager.OP_NONE, false, true, user.getIdentifier());
} catch (RemoteException e) {
}
}
@Override
public void sendStickyOrderedBroadcastAsUser(Intent intent,
UserHandle user, BroadcastReceiver resultReceiver,
Handler scheduler, int initialCode, String initialData,
Bundle initialExtras) {
IIntentReceiver rd = null;
if (resultReceiver != null) {
if (mPackageInfo != null) {
if (scheduler == null) {
scheduler = mMainThread.getHandler();
}
rd = mPackageInfo.getReceiverDispatcher(
resultReceiver, getOuterContext(), scheduler,
mMainThread.getInstrumentation(), false);
} else {
if (scheduler == null) {
scheduler = mMainThread.getHandler();
}
rd = new LoadedApk.ReceiverDispatcher(
resultReceiver, getOuterContext(), scheduler, null, false).getIIntentReceiver();
}
}
String resolvedType = intent.resolveTypeIfNeeded(getContentResolver());
try {
intent.prepareToLeaveProcess();
ActivityManagerNative.getDefault().broadcastIntent(
mMainThread.getApplicationThread(), intent, resolvedType, rd,
initialCode, initialData, initialExtras, null,
AppOpsManager.OP_NONE, true, true, user.getIdentifier());
} catch (RemoteException e) {
}
}
@Override
public void removeStickyBroadcastAsUser(Intent intent, UserHandle user) {
String resolvedType = intent.resolveTypeIfNeeded(getContentResolver());
if (resolvedType != null) {
intent = new Intent(intent);
intent.setDataAndType(intent.getData(), resolvedType);
}
try {
intent.prepareToLeaveProcess();
ActivityManagerNative.getDefault().unbroadcastIntent(
mMainThread.getApplicationThread(), intent, user.getIdentifier());
} catch (RemoteException e) {
}
}
@Override
public Intent registerReceiver(BroadcastReceiver receiver, IntentFilter filter) {
return registerReceiver(receiver, filter, null, null);
}
@Override
public Intent registerReceiver(BroadcastReceiver receiver, IntentFilter filter,
String broadcastPermission, Handler scheduler) {
return registerReceiverInternal(receiver, getUserId(),
filter, broadcastPermission, scheduler, getOuterContext());
}
@Override
public Intent registerReceiverAsUser(BroadcastReceiver receiver, UserHandle user,
IntentFilter filter, String broadcastPermission, Handler scheduler) {
return registerReceiverInternal(receiver, user.getIdentifier(),
filter, broadcastPermission, scheduler, getOuterContext());
}
private Intent registerReceiverInternal(BroadcastReceiver receiver, int userId,
IntentFilter filter, String broadcastPermission,
Handler scheduler, Context context) {
IIntentReceiver rd = null;
if (receiver != null) {
if (mPackageInfo != null && context != null) {
if (scheduler == null) {
scheduler = mMainThread.getHandler();
}
rd = mPackageInfo.getReceiverDispatcher(
receiver, context, scheduler,
mMainThread.getInstrumentation(), true);
} else {
if (scheduler == null) {
scheduler = mMainThread.getHandler();
}
rd = new LoadedApk.ReceiverDispatcher(
receiver, context, scheduler, null, true).getIIntentReceiver();
}
}
try {
return ActivityManagerNative.getDefault().registerReceiver(
mMainThread.getApplicationThread(), mBasePackageName,
rd, filter, broadcastPermission, userId);
} catch (RemoteException e) {
return null;
}
}
@Override
public void unregisterReceiver(BroadcastReceiver receiver) {
if (mPackageInfo != null) {
IIntentReceiver rd = mPackageInfo.forgetReceiverDispatcher(
getOuterContext(), receiver);
try {
ActivityManagerNative.getDefault().unregisterReceiver(rd);
} catch (RemoteException e) {
}
} else {
throw new RuntimeException("Not supported in system context");
}
}
@Override
public ComponentName startService(Intent service) {
warnIfCallingFromSystemProcess();
return startServiceAsUser(service, mUser);
}
@Override
public boolean stopService(Intent service) {
warnIfCallingFromSystemProcess();
return stopServiceAsUser(service, mUser);
}
@Override
public ComponentName startServiceAsUser(Intent service, UserHandle user) {
try {
service.prepareToLeaveProcess();
ComponentName cn = ActivityManagerNative.getDefault().startService(
mMainThread.getApplicationThread(), service,
service.resolveTypeIfNeeded(getContentResolver()), user.getIdentifier());
if (cn != null) {
if (cn.getPackageName().equals("!")) {
throw new SecurityException(
"Not allowed to start service " + service
+ " without permission " + cn.getClassName());
} else if (cn.getPackageName().equals("!!")) {
throw new SecurityException(
"Unable to start service " + service
+ ": " + cn.getClassName());
}
}
return cn;
} catch (RemoteException e) {
return null;
}
}
@Override
public boolean stopServiceAsUser(Intent service, UserHandle user) {
try {
service.prepareToLeaveProcess();
int res = ActivityManagerNative.getDefault().stopService(
mMainThread.getApplicationThread(), service,
service.resolveTypeIfNeeded(getContentResolver()), user.getIdentifier());
if (res < 0) {
throw new SecurityException(
"Not allowed to stop service " + service);
}
return res != 0;
} catch (RemoteException e) {
return false;
}
}
@Override
public boolean bindService(Intent service, ServiceConnection conn,
int flags) {
warnIfCallingFromSystemProcess();
return bindServiceAsUser(service, conn, flags, Process.myUserHandle());
}
/** @hide */
@Override
public boolean bindServiceAsUser(Intent service, ServiceConnection conn, int flags,
UserHandle user) {
IServiceConnection sd;
if (conn == null) {
throw new IllegalArgumentException("connection is null");
}
if (mPackageInfo != null) {
sd = mPackageInfo.getServiceDispatcher(conn, getOuterContext(),
mMainThread.getHandler(), flags);
} else {
throw new RuntimeException("Not supported in system context");
}
try {
IBinder token = getActivityToken();
if (token == null && (flags&BIND_AUTO_CREATE) == 0 && mPackageInfo != null
&& mPackageInfo.getApplicationInfo().targetSdkVersion
< android.os.Build.VERSION_CODES.ICE_CREAM_SANDWICH) {
flags |= BIND_WAIVE_PRIORITY;
}
service.prepareToLeaveProcess();
int res = ActivityManagerNative.getDefault().bindService(
mMainThread.getApplicationThread(), getActivityToken(),
service, service.resolveTypeIfNeeded(getContentResolver()),
sd, flags, user.getIdentifier());
if (res < 0) {
throw new SecurityException(
"Not allowed to bind to service " + service);
}
return res != 0;
} catch (RemoteException e) {
return false;
}
}
@Override
public void unbindService(ServiceConnection conn) {
if (conn == null) {
throw new IllegalArgumentException("connection is null");
}
if (mPackageInfo != null) {
IServiceConnection sd = mPackageInfo.forgetServiceDispatcher(
getOuterContext(), conn);
try {
ActivityManagerNative.getDefault().unbindService(sd);
} catch (RemoteException e) {
}
} else {
throw new RuntimeException("Not supported in system context");
}
}
@Override
public boolean startInstrumentation(ComponentName className,
String profileFile, Bundle arguments) {
try {
if (arguments != null) {
arguments.setAllowFds(false);
}
return ActivityManagerNative.getDefault().startInstrumentation(
className, profileFile, 0, arguments, null, null, getUserId());
} catch (RemoteException e) {
// System has crashed, nothing we can do.
}
return false;
}
@Override
public Object getSystemService(String name) {
ServiceFetcher fetcher = SYSTEM_SERVICE_MAP.get(name);
return fetcher == null ? null : fetcher.getService(this);
}
private WallpaperManager getWallpaperManager() {
return (WallpaperManager) WALLPAPER_FETCHER.getService(this);
}
/* package */ static DropBoxManager createDropBoxManager() {
IBinder b = ServiceManager.getService(DROPBOX_SERVICE);
IDropBoxManagerService service = IDropBoxManagerService.Stub.asInterface(b);
if (service == null) {
// Don't return a DropBoxManager that will NPE upon use.
// This also avoids caching a broken DropBoxManager in
// getDropBoxManager during early boot, before the
// DROPBOX_SERVICE is registered.
return null;
}
return new DropBoxManager(service);
}
@Override
public int checkPermission(String permission, int pid, int uid) {
if (permission == null) {
throw new IllegalArgumentException("permission is null");
}
try {
return ActivityManagerNative.getDefault().checkPermission(
permission, pid, uid);
} catch (RemoteException e) {
return PackageManager.PERMISSION_DENIED;
}
}
@Override
public int checkCallingPermission(String permission) {
if (permission == null) {
throw new IllegalArgumentException("permission is null");
}
int pid = Binder.getCallingPid();
if (pid != Process.myPid()) {
return checkPermission(permission, pid, Binder.getCallingUid());
}
return PackageManager.PERMISSION_DENIED;
}
@Override
public int checkCallingOrSelfPermission(String permission) {
if (permission == null) {
throw new IllegalArgumentException("permission is null");
}
return checkPermission(permission, Binder.getCallingPid(),
Binder.getCallingUid());
}
private void enforce(
String permission, int resultOfCheck,
boolean selfToo, int uid, String message) {
if (resultOfCheck != PackageManager.PERMISSION_GRANTED) {
throw new SecurityException(
(message != null ? (message + ": ") : "") +
(selfToo
? "Neither user " + uid + " nor current process has "
: "uid " + uid + " does not have ") +
permission +
".");
}
}
public void enforcePermission(
String permission, int pid, int uid, String message) {
enforce(permission,
checkPermission(permission, pid, uid),
false,
uid,
message);
}
public void enforceCallingPermission(String permission, String message) {
enforce(permission,
checkCallingPermission(permission),
false,
Binder.getCallingUid(),
message);
}
public void enforceCallingOrSelfPermission(
String permission, String message) {
enforce(permission,
checkCallingOrSelfPermission(permission),
true,
Binder.getCallingUid(),
message);
}
@Override
public void grantUriPermission(String toPackage, Uri uri, int modeFlags) {
try {
ActivityManagerNative.getDefault().grantUriPermission(
mMainThread.getApplicationThread(), toPackage, uri,
modeFlags);
} catch (RemoteException e) {
}
}
@Override
public void revokeUriPermission(Uri uri, int modeFlags) {
try {
ActivityManagerNative.getDefault().revokeUriPermission(
mMainThread.getApplicationThread(), uri,
modeFlags);
} catch (RemoteException e) {
}
}
@Override
public int checkUriPermission(Uri uri, int pid, int uid, int modeFlags) {
try {
return ActivityManagerNative.getDefault().checkUriPermission(
uri, pid, uid, modeFlags);
} catch (RemoteException e) {
return PackageManager.PERMISSION_DENIED;
}
}
@Override
public int checkCallingUriPermission(Uri uri, int modeFlags) {
int pid = Binder.getCallingPid();
if (pid != Process.myPid()) {
return checkUriPermission(uri, pid,
Binder.getCallingUid(), modeFlags);
}
return PackageManager.PERMISSION_DENIED;
}
@Override
public int checkCallingOrSelfUriPermission(Uri uri, int modeFlags) {
return checkUriPermission(uri, Binder.getCallingPid(),
Binder.getCallingUid(), modeFlags);
}
@Override
public int checkUriPermission(Uri uri, String readPermission,
String writePermission, int pid, int uid, int modeFlags) {
if (DEBUG) {
Log.i("foo", "checkUriPermission: uri=" + uri + "readPermission="
+ readPermission + " writePermission=" + writePermission
+ " pid=" + pid + " uid=" + uid + " mode" + modeFlags);
}
if ((modeFlags&Intent.FLAG_GRANT_READ_URI_PERMISSION) != 0) {
if (readPermission == null
|| checkPermission(readPermission, pid, uid)
== PackageManager.PERMISSION_GRANTED) {
return PackageManager.PERMISSION_GRANTED;
}
}
if ((modeFlags&Intent.FLAG_GRANT_WRITE_URI_PERMISSION) != 0) {
if (writePermission == null
|| checkPermission(writePermission, pid, uid)
== PackageManager.PERMISSION_GRANTED) {
return PackageManager.PERMISSION_GRANTED;
}
}
return uri != null ? checkUriPermission(uri, pid, uid, modeFlags)
: PackageManager.PERMISSION_DENIED;
}
private String uriModeFlagToString(int uriModeFlags) {
switch (uriModeFlags) {
case Intent.FLAG_GRANT_READ_URI_PERMISSION |
Intent.FLAG_GRANT_WRITE_URI_PERMISSION:
return "read and write";
case Intent.FLAG_GRANT_READ_URI_PERMISSION:
return "read";
case Intent.FLAG_GRANT_WRITE_URI_PERMISSION:
return "write";
}
throw new IllegalArgumentException(
"Unknown permission mode flags: " + uriModeFlags);
}
private void enforceForUri(
int modeFlags, int resultOfCheck, boolean selfToo,
int uid, Uri uri, String message) {
if (resultOfCheck != PackageManager.PERMISSION_GRANTED) {
throw new SecurityException(
(message != null ? (message + ": ") : "") +
(selfToo
? "Neither user " + uid + " nor current process has "
: "User " + uid + " does not have ") +
uriModeFlagToString(modeFlags) +
" permission on " +
uri +
".");
}
}
public void enforceUriPermission(
Uri uri, int pid, int uid, int modeFlags, String message) {
enforceForUri(
modeFlags, checkUriPermission(uri, pid, uid, modeFlags),
false, uid, uri, message);
}
public void enforceCallingUriPermission(
Uri uri, int modeFlags, String message) {
enforceForUri(
modeFlags, checkCallingUriPermission(uri, modeFlags),
false,
Binder.getCallingUid(), uri, message);
}
public void enforceCallingOrSelfUriPermission(
Uri uri, int modeFlags, String message) {
enforceForUri(
modeFlags,
checkCallingOrSelfUriPermission(uri, modeFlags), true,
Binder.getCallingUid(), uri, message);
}
public void enforceUriPermission(
Uri uri, String readPermission, String writePermission,
int pid, int uid, int modeFlags, String message) {
enforceForUri(modeFlags,
checkUriPermission(
uri, readPermission, writePermission, pid, uid,
modeFlags),
false,
uid,
uri,
message);
}
private void warnIfCallingFromSystemProcess() {
if (Process.myUid() == Process.SYSTEM_UID) {
Slog.w(TAG, "Calling a method in the system process without a qualified user: "
+ Debug.getCallers(5));
}
}
@Override
public Context createPackageContext(String packageName, int flags)
throws NameNotFoundException {
return createPackageContextAsUser(packageName, flags,
mUser != null ? mUser : Process.myUserHandle());
}
@Override
public Context createPackageContextAsUser(String packageName, int flags, UserHandle user)
throws NameNotFoundException {
if (packageName.equals("system") || packageName.equals("android")) {
final ContextImpl context = new ContextImpl(mMainThread.getSystemContext());
context.mRestricted = (flags & CONTEXT_RESTRICTED) == CONTEXT_RESTRICTED;
context.init(mPackageInfo, null, mMainThread, mResources, mBasePackageName, user);
return context;
}
LoadedApk pi =
mMainThread.getPackageInfo(packageName, mResources.getCompatibilityInfo(), flags,
user.getIdentifier());
if (pi != null) {
ContextImpl c = new ContextImpl();
c.mRestricted = (flags & CONTEXT_RESTRICTED) == CONTEXT_RESTRICTED;
c.init(pi, null, mMainThread, mResources, mBasePackageName, user);
if (c.mResources != null) {
return c;
}
}
// Should be a better exception.
throw new PackageManager.NameNotFoundException(
"Application package " + packageName + " not found");
}
@Override
public Context createConfigurationContext(Configuration overrideConfiguration) {
if (overrideConfiguration == null) {
throw new IllegalArgumentException("overrideConfiguration must not be null");
}
ContextImpl c = new ContextImpl();
c.init(mPackageInfo, null, mMainThread);
c.mResources = mMainThread.getTopLevelResources(
mPackageInfo.getResDir(),
getDisplayId(), overrideConfiguration,
mResources.getCompatibilityInfo());
return c;
}
@Override
public Context createDisplayContext(Display display) {
if (display == null) {
throw new IllegalArgumentException("display must not be null");
}
int displayId = display.getDisplayId();
CompatibilityInfo ci = CompatibilityInfo.DEFAULT_COMPATIBILITY_INFO;
CompatibilityInfoHolder cih = getCompatibilityInfo(displayId);
if (cih != null) {
ci = cih.get();
}
ContextImpl context = new ContextImpl();
context.init(mPackageInfo, null, mMainThread);
context.mDisplay = display;
context.mResources = mMainThread.getTopLevelResources(
mPackageInfo.getResDir(), displayId, null, ci);
return context;
}
private int getDisplayId() {
return mDisplay != null ? mDisplay.getDisplayId() : Display.DEFAULT_DISPLAY;
}
@Override
public boolean isRestricted() {
return mRestricted;
}
@Override
public CompatibilityInfoHolder getCompatibilityInfo(int displayId) {
return displayId == Display.DEFAULT_DISPLAY ? mPackageInfo.mCompatibilityInfo : null;
}
private File getDataDirFile() {
if (mPackageInfo != null) {
return mPackageInfo.getDataDirFile();
}
throw new RuntimeException("Not supported in system context");
}
@Override
public File getDir(String name, int mode) {
name = "app_" + name;
File file = makeFilename(getDataDirFile(), name);
if (!file.exists()) {
file.mkdir();
setFilePermissionsFromMode(file.getPath(), mode,
FileUtils.S_IRWXU|FileUtils.S_IRWXG|FileUtils.S_IXOTH);
}
return file;
}
/** {@hide} */
public int getUserId() {
return mUser.getIdentifier();
}
static ContextImpl createSystemContext(ActivityThread mainThread) {
final ContextImpl context = new ContextImpl();
context.init(Resources.getSystem(), mainThread, Process.myUserHandle());
return context;
}
ContextImpl() {
mOuterContext = this;
}
/**
* Create a new ApplicationContext from an existing one. The new one
* works and operates the same as the one it is copying.
*
* @param context Existing application context.
*/
public ContextImpl(ContextImpl context) {
mPackageInfo = context.mPackageInfo;
mBasePackageName = context.mBasePackageName;
mResources = context.mResources;
mMainThread = context.mMainThread;
mContentResolver = context.mContentResolver;
mUser = context.mUser;
mDisplay = context.mDisplay;
mOuterContext = this;
}
final void init(LoadedApk packageInfo, IBinder activityToken, ActivityThread mainThread) {
init(packageInfo, activityToken, mainThread, null, null, Process.myUserHandle());
}
final void init(LoadedApk packageInfo, IBinder activityToken, ActivityThread mainThread,
Resources container, String basePackageName, UserHandle user) {
mPackageInfo = packageInfo;
mBasePackageName = basePackageName != null ? basePackageName : packageInfo.mPackageName;
mResources = mPackageInfo.getResources(mainThread);
if (mResources != null && container != null
&& container.getCompatibilityInfo().applicationScale !=
mResources.getCompatibilityInfo().applicationScale) {
if (DEBUG) {
Log.d(TAG, "loaded context has different scaling. Using container's" +
" compatiblity info:" + container.getDisplayMetrics());
}
mResources = mainThread.getTopLevelResources(
mPackageInfo.getResDir(), Display.DEFAULT_DISPLAY,
null, container.getCompatibilityInfo());
}
mMainThread = mainThread;
mActivityToken = activityToken;
mContentResolver = new ApplicationContentResolver(this, mainThread, user);
mUser = user;
}
final void init(Resources resources, ActivityThread mainThread, UserHandle user) {
mPackageInfo = null;
mBasePackageName = null;
mResources = resources;
mMainThread = mainThread;
mContentResolver = new ApplicationContentResolver(this, mainThread, user);
mUser = user;
}
final void scheduleFinalCleanup(String who, String what) {
mMainThread.scheduleContextCleanup(this, who, what);
}
final void performFinalCleanup(String who, String what) {
//Log.i(TAG, "Cleanup up context: " + this);
mPackageInfo.removeContextRegistrations(getOuterContext(), who, what);
}
final Context getReceiverRestrictedContext() {
if (mReceiverRestrictedContext != null) {
return mReceiverRestrictedContext;
}
return mReceiverRestrictedContext = new ReceiverRestrictedContext(getOuterContext());
}
final void setOuterContext(Context context) {
mOuterContext = context;
}
final Context getOuterContext() {
return mOuterContext;
}
final IBinder getActivityToken() {
return mActivityToken;
}
static void setFilePermissionsFromMode(String name, int mode,
int extraPermissions) {
int perms = FileUtils.S_IRUSR|FileUtils.S_IWUSR
|FileUtils.S_IRGRP|FileUtils.S_IWGRP
|extraPermissions;
if ((mode&MODE_WORLD_READABLE) != 0) {
perms |= FileUtils.S_IROTH;
}
if ((mode&MODE_WORLD_WRITEABLE) != 0) {
perms |= FileUtils.S_IWOTH;
}
if (DEBUG) {
Log.i(TAG, "File " + name + ": mode=0x" + Integer.toHexString(mode)
+ ", perms=0x" + Integer.toHexString(perms));
}
FileUtils.setPermissions(name, perms, -1, -1);
}
private File validateFilePath(String name, boolean createDirectory) {
File dir;
File f;
if (name.charAt(0) == File.separatorChar) {
String dirPath = name.substring(0, name.lastIndexOf(File.separatorChar));
dir = new File(dirPath);
name = name.substring(name.lastIndexOf(File.separatorChar));
f = new File(dir, name);
} else {
dir = getDatabasesDir();
f = makeFilename(dir, name);
}
if (createDirectory && !dir.isDirectory() && dir.mkdir()) {
FileUtils.setPermissions(dir.getPath(),
FileUtils.S_IRWXU|FileUtils.S_IRWXG|FileUtils.S_IXOTH,
-1, -1);
}
return f;
}
private File makeFilename(File base, String name) {
if (name.indexOf(File.separatorChar) < 0) {
return new File(base, name);
}
throw new IllegalArgumentException(
"File " + name + " contains a path separator");
}
// ----------------------------------------------------------------------
// ----------------------------------------------------------------------
// ----------------------------------------------------------------------
private static final class ApplicationContentResolver extends ContentResolver {
private final ActivityThread mMainThread;
private final UserHandle mUser;
public ApplicationContentResolver(
Context context, ActivityThread mainThread, UserHandle user) {
super(context);
mMainThread = Preconditions.checkNotNull(mainThread);
mUser = Preconditions.checkNotNull(user);
}
@Override
protected IContentProvider acquireProvider(Context context, String auth) {
return mMainThread.acquireProvider(context, auth, mUser.getIdentifier(), true);
}
@Override
protected IContentProvider acquireExistingProvider(Context context, String auth) {
return mMainThread.acquireExistingProvider(context, auth, mUser.getIdentifier(), true);
}
@Override
public boolean releaseProvider(IContentProvider provider) {
return mMainThread.releaseProvider(provider, true);
}
@Override
protected IContentProvider acquireUnstableProvider(Context c, String auth) {
return mMainThread.acquireProvider(c, auth, mUser.getIdentifier(), false);
}
@Override
public boolean releaseUnstableProvider(IContentProvider icp) {
return mMainThread.releaseProvider(icp, false);
}
@Override
public void unstableProviderDied(IContentProvider icp) {
mMainThread.handleUnstableProviderDied(icp.asBinder(), true);
}
}
}
