/* * 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 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.res.AssetManager; import android.content.res.CompatibilityInfo; 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.SensorManager; import android.hardware.SerialManager; import android.hardware.SystemSensorManager; import android.hardware.input.IInputManager; 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.ThrottleManager; import android.net.IThrottleManager; 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.DropBoxManager; import android.os.Environment; import android.os.FileUtils; import android.os.Handler; import android.os.IBinder; import android.os.IPowerManager; import android.os.Looper; import android.os.PowerManager; import android.os.Process; import android.os.RemoteException; import android.os.ServiceManager; import android.os.UserId; import android.os.SystemVibrator; import android.os.storage.StorageManager; import android.telephony.TelephonyManager; import android.content.ClipboardManager; import android.util.AndroidRuntimeException; import android.util.Log; import android.view.ContextThemeWrapper; 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.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) { throw new ReceiverCallNotAllowedException( "IntentReceiver components are not allowed to register to receive intents"); //ex.fillInStackTrace(); //Log.e("IntentReceiver", ex.getMessage(), ex); //return mContext.registerReceiver(receiver, filter, broadcastPermission, // scheduler); } @Override public boolean bindService(Intent service, ServiceConnection conn, int flags) { throw new ReceiverCallNotAllowedException( "IntentReceiver components are not allowed to bind to services"); //ex.fillInStackTrace(); //Log.e("IntentReceiver", ex.getMessage(), ex); //return mContext.bindService(service, interfaceName, conn, flags); } } /** * 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 = "ApplicationContext"; private final static boolean DEBUG = false; private static final HashMap sSharedPrefs = new HashMap(); /*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 Context mReceiverRestrictedContext = null; private boolean mRestricted; 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 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 SYSTEM_SERVICE_MAP = new HashMap(); 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(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(INPUT_METHOD_SERVICE, new ServiceFetcher() { public Object createService(ContextImpl ctx) { return InputMethodManager.getInstance(ctx); }}); 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 StaticServiceFetcher() { public Object createStaticService() { IBinder b = ServiceManager.getService(LOCATION_SERVICE); return new LocationManager(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(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.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.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(THROTTLE_SERVICE, new StaticServiceFetcher() { public Object createStaticService() { IBinder b = ServiceManager.getService(THROTTLE_SERVICE); return new ThrottleManager(IThrottleManager.Stub.asInterface(b)); }}); 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(); }}); 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(service, ctx.mMainThread.getHandler()); }}); 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) { return WindowManagerImpl.getDefault(ctx.mPackageInfo.mCompatibilityInfo); }}); } 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 mServiceCache = new ArrayList(); @Override public AssetManager getAssets() { return mResources.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(); } throw new RuntimeException("Not supported in system context"); } @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"); 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) { startActivity(intent, null); } @Override public void startActivity(Intent intent, Bundle options) { 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); } @Override public void startActivities(Intent[] intents) { startActivities(intents, null); } @Override public void startActivities(Intent[] intents, Bundle options) { 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.setAllowFds(false); 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) { String resolvedType = intent.resolveTypeIfNeeded(getContentResolver()); try { intent.setAllowFds(false); ActivityManagerNative.getDefault().broadcastIntent( mMainThread.getApplicationThread(), intent, resolvedType, null, Activity.RESULT_OK, null, null, null, false, false, Binder.getOrigCallingUser()); } catch (RemoteException e) { } } /** @hide */ @Override public void sendBroadcast(Intent intent, int userId) { String resolvedType = intent.resolveTypeIfNeeded(getContentResolver()); try { intent.setAllowFds(false); ActivityManagerNative.getDefault().broadcastIntent(mMainThread.getApplicationThread(), intent, resolvedType, null, Activity.RESULT_OK, null, null, null, false, false, userId); } catch (RemoteException e) { } } @Override public void sendBroadcast(Intent intent, String receiverPermission) { String resolvedType = intent.resolveTypeIfNeeded(getContentResolver()); try { intent.setAllowFds(false); ActivityManagerNative.getDefault().broadcastIntent( mMainThread.getApplicationThread(), intent, resolvedType, null, Activity.RESULT_OK, null, null, receiverPermission, false, false, Binder.getOrigCallingUser()); } catch (RemoteException e) { } } @Override public void sendOrderedBroadcast(Intent intent, String receiverPermission) { String resolvedType = intent.resolveTypeIfNeeded(getContentResolver()); try { intent.setAllowFds(false); ActivityManagerNative.getDefault().broadcastIntent( mMainThread.getApplicationThread(), intent, resolvedType, null, Activity.RESULT_OK, null, null, receiverPermission, true, false, Binder.getOrigCallingUser()); } catch (RemoteException e) { } } @Override public void sendOrderedBroadcast(Intent intent, 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.setAllowFds(false); ActivityManagerNative.getDefault().broadcastIntent( mMainThread.getApplicationThread(), intent, resolvedType, rd, initialCode, initialData, initialExtras, receiverPermission, true, false, Binder.getOrigCallingUser()); } catch (RemoteException e) { } } @Override public void sendStickyBroadcast(Intent intent) { String resolvedType = intent.resolveTypeIfNeeded(getContentResolver()); try { intent.setAllowFds(false); ActivityManagerNative.getDefault().broadcastIntent( mMainThread.getApplicationThread(), intent, resolvedType, null, Activity.RESULT_OK, null, null, null, false, true, Binder.getOrigCallingUser()); } catch (RemoteException e) { } } @Override public void sendStickyOrderedBroadcast(Intent intent, 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.setAllowFds(false); ActivityManagerNative.getDefault().broadcastIntent( mMainThread.getApplicationThread(), intent, resolvedType, rd, initialCode, initialData, initialExtras, null, true, true, Binder.getOrigCallingUser()); } 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.setAllowFds(false); ActivityManagerNative.getDefault().unbroadcastIntent( mMainThread.getApplicationThread(), intent, Binder.getOrigCallingUser()); } 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, filter, broadcastPermission, scheduler, getOuterContext()); } private Intent registerReceiverInternal(BroadcastReceiver receiver, 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); } 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) { try { service.setAllowFds(false); ComponentName cn = ActivityManagerNative.getDefault().startService( mMainThread.getApplicationThread(), service, service.resolveTypeIfNeeded(getContentResolver())); if (cn != null && cn.getPackageName().equals("!")) { throw new SecurityException( "Not allowed to start service " + service + " without permission " + cn.getClassName()); } return cn; } catch (RemoteException e) { return null; } } @Override public boolean stopService(Intent service) { try { service.setAllowFds(false); int res = ActivityManagerNative.getDefault().stopService( mMainThread.getApplicationThread(), service, service.resolveTypeIfNeeded(getContentResolver())); 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) { return bindService(service, conn, flags, UserId.getUserId(Process.myUid())); } /** @hide */ @Override public boolean bindService(Intent service, ServiceConnection conn, int flags, int userId) { IServiceConnection sd; 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.setAllowFds(false); int res = ActivityManagerNative.getDefault().bindService( mMainThread.getApplicationThread(), getActivityToken(), service, service.resolveTypeIfNeeded(getContentResolver()), sd, flags, userId); 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 (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); } 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 " : "User " + 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); } @Override public Context createPackageContext(String packageName, int flags) throws PackageManager.NameNotFoundException { if (packageName.equals("system") || packageName.equals("android")) { final ContextImpl context = new ContextImpl(mMainThread.getSystemContext()); context.mBasePackageName = mBasePackageName; return context; } LoadedApk pi = mMainThread.getPackageInfo(packageName, mResources.getCompatibilityInfo(), flags); if (pi != null) { ContextImpl c = new ContextImpl(); c.mRestricted = (flags & CONTEXT_RESTRICTED) == CONTEXT_RESTRICTED; c.init(pi, null, mMainThread, mResources, mBasePackageName); if (c.mResources != null) { return c; } } // Should be a better exception. throw new PackageManager.NameNotFoundException( "Application package " + packageName + " not found"); } @Override public boolean isRestricted() { return mRestricted; } 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; } static ContextImpl createSystemContext(ActivityThread mainThread) { ContextImpl context = new ContextImpl(); context.init(Resources.getSystem(), mainThread); 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; mOuterContext = this; } final void init(LoadedApk packageInfo, IBinder activityToken, ActivityThread mainThread) { init(packageInfo, activityToken, mainThread, null, null); } final void init(LoadedApk packageInfo, IBinder activityToken, ActivityThread mainThread, Resources container, String basePackageName) { 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(), container.getCompatibilityInfo()); } mMainThread = mainThread; mContentResolver = new ApplicationContentResolver(this, mainThread); setActivityToken(activityToken); } final void init(Resources resources, ActivityThread mainThread) { mPackageInfo = null; mBasePackageName = null; mResources = resources; mMainThread = mainThread; mContentResolver = new ApplicationContentResolver(this, mainThread); } 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 setActivityToken(IBinder token) { mActivityToken = token; } 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 { public ApplicationContentResolver(Context context, ActivityThread mainThread) { super(context); mMainThread = mainThread; } @Override protected IContentProvider acquireProvider(Context context, String name) { return mMainThread.acquireProvider(context, name, true); } @Override protected IContentProvider acquireExistingProvider(Context context, String name) { return mMainThread.acquireExistingProvider(context, name, true); } @Override public boolean releaseProvider(IContentProvider provider) { return mMainThread.releaseProvider(provider, true); } @Override protected IContentProvider acquireUnstableProvider(Context c, String name) { return mMainThread.acquireProvider(c, name, false); } @Override public boolean releaseUnstableProvider(IContentProvider icp) { return mMainThread.releaseProvider(icp, false); } @Override public void unstableProviderDied(IContentProvider icp) { mMainThread.handleUnstableProviderDied(icp.asBinder(), true); } private final ActivityThread mMainThread; } }