/*
* 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 android.annotation.NonNull;
import android.annotation.Nullable;
import android.content.BroadcastReceiver;
import android.content.ComponentName;
import android.content.ContentProvider;
import android.content.ContentResolver;
import android.content.Context;
import android.content.ContextWrapper;
import android.content.IContentProvider;
import android.content.IIntentReceiver;
import android.content.Intent;
import android.content.IntentFilter;
import android.content.IntentSender;
import android.content.ReceiverCallNotAllowedException;
import android.content.ServiceConnection;
import android.content.SharedPreferences;
import android.content.pm.ActivityInfo;
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.net.Uri;
import android.os.Binder;
import android.os.Build;
import android.os.Bundle;
import android.os.Debug;
import android.os.Environment;
import android.os.FileUtils;
import android.os.Handler;
import android.os.IBinder;
import android.os.Looper;
import android.os.Process;
import android.os.RemoteException;
import android.os.ServiceManager;
import android.os.UserHandle;
import android.os.storage.IMountService;
import android.system.ErrnoException;
import android.system.Os;
import android.system.OsConstants;
import android.util.AndroidRuntimeException;
import android.util.ArrayMap;
import android.util.Log;
import android.util.Slog;
import android.view.Display;
import android.view.DisplayAdjustments;
import com.android.internal.annotations.GuardedBy;
import com.android.internal.util.Preconditions;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.FilenameFilter;
import java.io.IOException;
import java.io.InputStream;
import java.util.Objects;
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;
/**
* Map from package name, to preference name, to cached preferences.
*/
@GuardedBy("ContextImpl.class")
private static ArrayMap<String, ArrayMap<File, SharedPreferencesImpl>> sSharedPrefsCache;
/**
* Map from preference name to generated path.
*/
@GuardedBy("ContextImpl.class")
private ArrayMap<String, File> mSharedPrefsPaths;
final ActivityThread mMainThread;
final LoadedApk mPackageInfo;
private final IBinder mActivityToken;
private final UserHandle mUser;
private final ApplicationContentResolver mContentResolver;
private final String mBasePackageName;
private final String mOpPackageName;
private final @NonNull ResourcesManager mResourcesManager;
private final @NonNull Resources mResources;
private @Nullable Display mDisplay; // may be null if default display
private final int mFlags;
private Context mOuterContext;
private int mThemeResource = 0;
private Resources.Theme mTheme = null;
private PackageManager mPackageManager;
private Context mReceiverRestrictedContext = null;
private final Object mSync = new Object();
@GuardedBy("mSync")
private File mDatabasesDir;
@GuardedBy("mSync")
private File mPreferencesDir;
@GuardedBy("mSync")
private File mFilesDir;
@GuardedBy("mSync")
private File mNoBackupFilesDir;
@GuardedBy("mSync")
private File mCacheDir;
@GuardedBy("mSync")
private File mCodeCacheDir;
@GuardedBy("mSync")
private File[] mExternalObbDirs;
@GuardedBy("mSync")
private File[] mExternalFilesDirs;
@GuardedBy("mSync")
private File[] mExternalCacheDirs;
@GuardedBy("mSync")
private File[] mExternalMediaDirs;
// The system service cache for the system services that are cached per-ContextImpl.
final Object[] mServiceCache = SystemServiceRegistry.createServiceCache();
static ContextImpl getImpl(Context context) {
Context nextContext;
while ((context instanceof ContextWrapper) &&
(nextContext=((ContextWrapper)context).getBaseContext()) != null) {
context = nextContext;
}
return (ContextImpl)context;
}
@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) {
if (mThemeResource != resId) {
mThemeResource = resId;
initializeTheme();
}
}
@Override
public int getThemeResId() {
return mThemeResource;
}
@Override
public Resources.Theme getTheme() {
if (mTheme != null) {
return mTheme;
}
mThemeResource = Resources.selectDefaultTheme(mThemeResource,
getOuterContext().getApplicationInfo().targetSdkVersion);
initializeTheme();
return mTheme;
}
private void initializeTheme() {
if (mTheme == null) {
mTheme = mResources.newTheme();
}
mTheme.applyStyle(mThemeResource, true);
}
@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();
}
/** @hide */
@Override
public String getOpPackageName() {
return mOpPackageName != null ? mOpPackageName : getBasePackageName();
}
@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");
}
@Override
public SharedPreferences getSharedPreferences(String name, int mode) {
// At least one application in the world actually passes in a null
// name. This happened to work because when we generated the file name
// we would stringify it to "null.xml". Nice.
if (mPackageInfo.getApplicationInfo().targetSdkVersion <
Build.VERSION_CODES.KITKAT) {
if (name == null) {
name = "null";
}
}
File file;
synchronized (ContextImpl.class) {
if (mSharedPrefsPaths == null) {
mSharedPrefsPaths = new ArrayMap<>();
}
file = mSharedPrefsPaths.get(name);
if (file == null) {
file = getSharedPreferencesPath(name);
mSharedPrefsPaths.put(name, file);
}
}
return getSharedPreferences(file, mode);
}
@Override
public SharedPreferences getSharedPreferences(File file, int mode) {
checkMode(mode);
SharedPreferencesImpl sp;
synchronized (ContextImpl.class) {
final ArrayMap<File, SharedPreferencesImpl> cache = getSharedPreferencesCacheLocked();
sp = cache.get(file);
if (sp == null) {
sp = new SharedPreferencesImpl(file, mode);
cache.put(file, 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 ArrayMap<File, SharedPreferencesImpl> getSharedPreferencesCacheLocked() {
if (sSharedPrefsCache == null) {
sSharedPrefsCache = new ArrayMap<>();
}
final String packageName = getPackageName();
ArrayMap<File, SharedPreferencesImpl> packagePrefs = sSharedPrefsCache.get(packageName);
if (packagePrefs == null) {
packagePrefs = new ArrayMap<>();
sSharedPrefsCache.put(packageName, packagePrefs);
}
return packagePrefs;
}
/**
* Try our best to migrate all files from source to target that match
* requested prefix.
*
* @return the number of files moved, or -1 if there was trouble.
*/
private static int moveFiles(File sourceDir, File targetDir, final String prefix) {
final File[] sourceFiles = FileUtils.listFilesOrEmpty(sourceDir, new FilenameFilter() {
@Override
public boolean accept(File dir, String name) {
return name.startsWith(prefix);
}
});
int res = 0;
for (File sourceFile : sourceFiles) {
final File targetFile = new File(targetDir, sourceFile.getName());
Log.d(TAG, "Migrating " + sourceFile + " to " + targetFile);
try {
FileUtils.copyFileOrThrow(sourceFile, targetFile);
FileUtils.copyPermissions(sourceFile, targetFile);
if (!sourceFile.delete()) {
throw new IOException("Failed to clean up " + sourceFile);
}
if (res != -1) {
res++;
}
} catch (IOException e) {
Log.w(TAG, "Failed to migrate " + sourceFile + ": " + e);
res = -1;
}
}
return res;
}
@Override
public boolean moveSharedPreferencesFrom(Context sourceContext, String name) {
synchronized (ContextImpl.class) {
final File source = sourceContext.getSharedPreferencesPath(name);
final File target = getSharedPreferencesPath(name);
final int res = moveFiles(source.getParentFile(), target.getParentFile(),
source.getName());
if (res > 0) {
// We moved at least one file, so evict any in-memory caches for
// either location
final ArrayMap<File, SharedPreferencesImpl> cache =
getSharedPreferencesCacheLocked();
cache.remove(source);
cache.remove(target);
}
return res != -1;
}
}
@Override
public boolean deleteSharedPreferences(String name) {
synchronized (ContextImpl.class) {
final File prefs = getSharedPreferencesPath(name);
final File prefsBackup = SharedPreferencesImpl.makeBackupFile(prefs);
// Evict any in-memory caches
final ArrayMap<File, SharedPreferencesImpl> cache = getSharedPreferencesCacheLocked();
cache.remove(prefs);
prefs.delete();
prefsBackup.delete();
// We failed if files are still lingering
return !(prefs.exists() || prefsBackup.exists());
}
}
private File getPreferencesDir() {
synchronized (mSync) {
if (mPreferencesDir == null) {
mPreferencesDir = new File(getDataDir(), "shared_prefs");
}
return ensurePrivateDirExists(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 {
checkMode(mode);
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();
}
/**
* Common-path handling of app data dir creation
*/
private static File ensurePrivateDirExists(File file) {
if (!file.exists()) {
try {
Os.mkdir(file.getAbsolutePath(), 0771);
Os.chmod(file.getAbsolutePath(), 0771);
} catch (ErrnoException e) {
if (e.errno == OsConstants.EEXIST) {
// We must have raced with someone; that's okay
} else {
Log.w(TAG, "Failed to ensure " + file + ": " + e.getMessage());
}
}
}
return file;
}
@Override
public File getFilesDir() {
synchronized (mSync) {
if (mFilesDir == null) {
mFilesDir = new File(getDataDir(), "files");
}
return ensurePrivateDirExists(mFilesDir);
}
}
@Override
public File getNoBackupFilesDir() {
synchronized (mSync) {
if (mNoBackupFilesDir == null) {
mNoBackupFilesDir = new File(getDataDir(), "no_backup");
}
return ensurePrivateDirExists(mNoBackupFilesDir);
}
}
@Override
public File getExternalFilesDir(String type) {
// Operates on primary external storage
return getExternalFilesDirs(type)[0];
}
@Override
public File[] getExternalFilesDirs(String type) {
synchronized (mSync) {
if (mExternalFilesDirs == null) {
mExternalFilesDirs = Environment.buildExternalStorageAppFilesDirs(getPackageName());
}
// Splice in requested type, if any
File[] dirs = mExternalFilesDirs;
if (type != null) {
dirs = Environment.buildPaths(dirs, type);
}
// Create dirs if needed
return ensureExternalDirsExistOrFilter(dirs);
}
}
@Override
public File getObbDir() {
// Operates on primary external storage
return getObbDirs()[0];
}
@Override
public File[] getObbDirs() {
synchronized (mSync) {
if (mExternalObbDirs == null) {
mExternalObbDirs = Environment.buildExternalStorageAppObbDirs(getPackageName());
}
// Create dirs if needed
return ensureExternalDirsExistOrFilter(mExternalObbDirs);
}
}
@Override
public File getCacheDir() {
synchronized (mSync) {
if (mCacheDir == null) {
mCacheDir = new File(getDataDir(), "cache");
}
return ensurePrivateDirExists(mCacheDir);
}
}
@Override
public File getCodeCacheDir() {
synchronized (mSync) {
if (mCodeCacheDir == null) {
mCodeCacheDir = new File(getDataDir(), "code_cache");
}
return ensurePrivateDirExists(mCodeCacheDir);
}
}
@Override
public File getExternalCacheDir() {
// Operates on primary external storage
return getExternalCacheDirs()[0];
}
@Override
public File[] getExternalCacheDirs() {
synchronized (mSync) {
if (mExternalCacheDirs == null) {
mExternalCacheDirs = Environment.buildExternalStorageAppCacheDirs(getPackageName());
}
// Create dirs if needed
return ensureExternalDirsExistOrFilter(mExternalCacheDirs);
}
}
@Override
public File[] getExternalMediaDirs() {
synchronized (mSync) {
if (mExternalMediaDirs == null) {
mExternalMediaDirs = Environment.buildExternalStorageAppMediaDirs(getPackageName());
}
// Create dirs if needed
return ensureExternalDirsExistOrFilter(mExternalMediaDirs);
}
}
@Override
public File getFileStreamPath(String name) {
return makeFilename(getFilesDir(), name);
}
@Override
public File getSharedPreferencesPath(String name) {
return makeFilename(getPreferencesDir(), name + ".xml");
}
@Override
public String[] fileList() {
return FileUtils.listOrEmpty(getFilesDir());
}
@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) {
checkMode(mode);
File f = getDatabasePath(name);
int flags = SQLiteDatabase.CREATE_IF_NECESSARY;
if ((mode & MODE_ENABLE_WRITE_AHEAD_LOGGING) != 0) {
flags |= SQLiteDatabase.ENABLE_WRITE_AHEAD_LOGGING;
}
if ((mode & MODE_NO_LOCALIZED_COLLATORS) != 0) {
flags |= SQLiteDatabase.NO_LOCALIZED_COLLATORS;
}
SQLiteDatabase db = SQLiteDatabase.openDatabase(f.getPath(), factory, flags, errorHandler);
setFilePermissionsFromMode(f.getPath(), mode, 0);
return db;
}
@Override
public boolean moveDatabaseFrom(Context sourceContext, String name) {
synchronized (ContextImpl.class) {
final File source = sourceContext.getDatabasePath(name);
final File target = getDatabasePath(name);
return moveFiles(source.getParentFile(), target.getParentFile(),
source.getName()) != -1;
}
}
@Override
public boolean deleteDatabase(String name) {
try {
File f = getDatabasePath(name);
return SQLiteDatabase.deleteDatabase(f);
} catch (Exception e) {
}
return false;
}
@Override
public File getDatabasePath(String name) {
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);
if (!dir.isDirectory() && dir.mkdir()) {
FileUtils.setPermissions(dir.getPath(),
FileUtils.S_IRWXU|FileUtils.S_IRWXG|FileUtils.S_IXOTH,
-1, -1);
}
} else {
dir = getDatabasesDir();
f = makeFilename(dir, name);
}
return f;
}
@Override
public String[] databaseList() {
return FileUtils.listOrEmpty(getDatabasesDir());
}
private File getDatabasesDir() {
synchronized (mSync) {
if (mDatabasesDir == null) {
if ("android".equals(getPackageName())) {
mDatabasesDir = new File("/data/system");
} else {
mDatabasesDir = new File(getDataDir(), "databases");
}
}
return ensurePrivateDirExists(mDatabasesDir);
}
}
@Override
@Deprecated
public Drawable getWallpaper() {
return getWallpaperManager().getDrawable();
}
@Override
@Deprecated
public Drawable peekWallpaper() {
return getWallpaperManager().peekDrawable();
}
@Override
@Deprecated
public int getWallpaperDesiredMinimumWidth() {
return getWallpaperManager().getDesiredMinimumWidth();
}
@Override
@Deprecated
public int getWallpaperDesiredMinimumHeight() {
return getWallpaperManager().getDesiredMinimumHeight();
}
@Override
@Deprecated
public void setWallpaper(Bitmap bitmap) throws IOException {
getWallpaperManager().setBitmap(bitmap);
}
@Override
@Deprecated
public void setWallpaper(InputStream data) throws IOException {
getWallpaperManager().setStream(data);
}
@Override
@Deprecated
public void clearWallpaper() throws IOException {
getWallpaperManager().clear();
}
private WallpaperManager getWallpaperManager() {
return getSystemService(WallpaperManager.class);
}
@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();
// Calling start activity from outside an activity without FLAG_ACTIVITY_NEW_TASK is
// generally not allowed, except if the caller specifies the task id the activity should
// be launched in.
if ((intent.getFlags()&Intent.FLAG_ACTIVITY_NEW_TASK) == 0
&& options != null && ActivityOptions.fromBundle(options).getLaunchTaskId() == -1) {
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, options,
user.getIdentifier());
} catch (RemoteException e) {
throw e.rethrowFromSystemServer();
}
}
@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(this);
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) {
throw e.rethrowFromSystemServer();
}
}
@Override
public void sendBroadcast(Intent intent) {
warnIfCallingFromSystemProcess();
String resolvedType = intent.resolveTypeIfNeeded(getContentResolver());
try {
intent.prepareToLeaveProcess(this);
ActivityManagerNative.getDefault().broadcastIntent(
mMainThread.getApplicationThread(), intent, resolvedType, null,
Activity.RESULT_OK, null, null, null, AppOpsManager.OP_NONE, null, false, false,
getUserId());
} catch (RemoteException e) {
throw e.rethrowFromSystemServer();
}
}
@Override
public void sendBroadcast(Intent intent, String receiverPermission) {
warnIfCallingFromSystemProcess();
String resolvedType = intent.resolveTypeIfNeeded(getContentResolver());
String[] receiverPermissions = receiverPermission == null ? null
: new String[] {receiverPermission};
try {
intent.prepareToLeaveProcess(this);
ActivityManagerNative.getDefault().broadcastIntent(
mMainThread.getApplicationThread(), intent, resolvedType, null,
Activity.RESULT_OK, null, null, receiverPermissions, AppOpsManager.OP_NONE,
null, false, false, getUserId());
} catch (RemoteException e) {
throw e.rethrowFromSystemServer();
}
}
@Override
public void sendBroadcastMultiplePermissions(Intent intent, String[] receiverPermissions) {
warnIfCallingFromSystemProcess();
String resolvedType = intent.resolveTypeIfNeeded(getContentResolver());
try {
intent.prepareToLeaveProcess(this);
ActivityManagerNative.getDefault().broadcastIntent(
mMainThread.getApplicationThread(), intent, resolvedType, null,
Activity.RESULT_OK, null, null, receiverPermissions, AppOpsManager.OP_NONE,
null, false, false, getUserId());
} catch (RemoteException e) {
throw e.rethrowFromSystemServer();
}
}
@Override
public void sendBroadcast(Intent intent, String receiverPermission, Bundle options) {
warnIfCallingFromSystemProcess();
String resolvedType = intent.resolveTypeIfNeeded(getContentResolver());
String[] receiverPermissions = receiverPermission == null ? null
: new String[] {receiverPermission};
try {
intent.prepareToLeaveProcess(this);
ActivityManagerNative.getDefault().broadcastIntent(
mMainThread.getApplicationThread(), intent, resolvedType, null,
Activity.RESULT_OK, null, null, receiverPermissions, AppOpsManager.OP_NONE,
options, false, false, getUserId());
} catch (RemoteException e) {
throw e.rethrowFromSystemServer();
}
}
@Override
public void sendBroadcast(Intent intent, String receiverPermission, int appOp) {
warnIfCallingFromSystemProcess();
String resolvedType = intent.resolveTypeIfNeeded(getContentResolver());
String[] receiverPermissions = receiverPermission == null ? null
: new String[] {receiverPermission};
try {
intent.prepareToLeaveProcess(this);
ActivityManagerNative.getDefault().broadcastIntent(
mMainThread.getApplicationThread(), intent, resolvedType, null,
Activity.RESULT_OK, null, null, receiverPermissions, appOp, null, false, false,
getUserId());
} catch (RemoteException e) {
throw e.rethrowFromSystemServer();
}
}
@Override
public void sendOrderedBroadcast(Intent intent, String receiverPermission) {
warnIfCallingFromSystemProcess();
String resolvedType = intent.resolveTypeIfNeeded(getContentResolver());
String[] receiverPermissions = receiverPermission == null ? null
: new String[] {receiverPermission};
try {
intent.prepareToLeaveProcess(this);
ActivityManagerNative.getDefault().broadcastIntent(
mMainThread.getApplicationThread(), intent, resolvedType, null,
Activity.RESULT_OK, null, null, receiverPermissions, AppOpsManager.OP_NONE,
null, true, false, getUserId());
} catch (RemoteException e) {
throw e.rethrowFromSystemServer();
}
}
@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, null);
}
@Override
public void sendOrderedBroadcast(Intent intent,
String receiverPermission, Bundle options, BroadcastReceiver resultReceiver,
Handler scheduler, int initialCode, String initialData,
Bundle initialExtras) {
sendOrderedBroadcast(intent, receiverPermission, AppOpsManager.OP_NONE,
resultReceiver, scheduler, initialCode, initialData, initialExtras, options);
}
@Override
public void sendOrderedBroadcast(Intent intent,
String receiverPermission, int appOp, BroadcastReceiver resultReceiver,
Handler scheduler, int initialCode, String initialData,
Bundle initialExtras) {
sendOrderedBroadcast(intent, receiverPermission, appOp,
resultReceiver, scheduler, initialCode, initialData, initialExtras, null);
}
void sendOrderedBroadcast(Intent intent,
String receiverPermission, int appOp, BroadcastReceiver resultReceiver,
Handler scheduler, int initialCode, String initialData,
Bundle initialExtras, Bundle options) {
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());
String[] receiverPermissions = receiverPermission == null ? null
: new String[] {receiverPermission};
try {
intent.prepareToLeaveProcess(this);
ActivityManagerNative.getDefault().broadcastIntent(
mMainThread.getApplicationThread(), intent, resolvedType, rd,
initialCode, initialData, initialExtras, receiverPermissions, appOp,
options, true, false, getUserId());
} catch (RemoteException e) {
throw e.rethrowFromSystemServer();
}
}
@Override
public void sendBroadcastAsUser(Intent intent, UserHandle user) {
String resolvedType = intent.resolveTypeIfNeeded(getContentResolver());
try {
intent.prepareToLeaveProcess(this);
ActivityManagerNative.getDefault().broadcastIntent(mMainThread.getApplicationThread(),
intent, resolvedType, null, Activity.RESULT_OK, null, null, null,
AppOpsManager.OP_NONE, null, false, false, user.getIdentifier());
} catch (RemoteException e) {
throw e.rethrowFromSystemServer();
}
}
@Override
public void sendBroadcastAsUser(Intent intent, UserHandle user,
String receiverPermission) {
sendBroadcastAsUser(intent, user, receiverPermission, AppOpsManager.OP_NONE);
}
@Override
public void sendBroadcastAsUser(Intent intent, UserHandle user,
String receiverPermission, int appOp) {
String resolvedType = intent.resolveTypeIfNeeded(getContentResolver());
String[] receiverPermissions = receiverPermission == null ? null
: new String[] {receiverPermission};
try {
intent.prepareToLeaveProcess(this);
ActivityManagerNative.getDefault().broadcastIntent(
mMainThread.getApplicationThread(), intent, resolvedType, null,
Activity.RESULT_OK, null, null, receiverPermissions, appOp, null, false, false,
user.getIdentifier());
} catch (RemoteException e) {
throw e.rethrowFromSystemServer();
}
}
@Override
public void sendOrderedBroadcastAsUser(Intent intent, UserHandle user,
String receiverPermission, BroadcastReceiver resultReceiver, Handler scheduler,
int initialCode, String initialData, Bundle initialExtras) {
sendOrderedBroadcastAsUser(intent, user, receiverPermission, AppOpsManager.OP_NONE,
null, resultReceiver, scheduler, initialCode, initialData, initialExtras);
}
@Override
public void sendOrderedBroadcastAsUser(Intent intent, UserHandle user,
String receiverPermission, int appOp, BroadcastReceiver resultReceiver,
Handler scheduler, int initialCode, String initialData, Bundle initialExtras) {
sendOrderedBroadcastAsUser(intent, user, receiverPermission, appOp,
null, resultReceiver, scheduler, initialCode, initialData, initialExtras);
}
@Override
public void sendOrderedBroadcastAsUser(Intent intent, UserHandle user,
String receiverPermission, int appOp, Bundle options, 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());
String[] receiverPermissions = receiverPermission == null ? null
: new String[] {receiverPermission};
try {
intent.prepareToLeaveProcess(this);
ActivityManagerNative.getDefault().broadcastIntent(
mMainThread.getApplicationThread(), intent, resolvedType, rd,
initialCode, initialData, initialExtras, receiverPermissions,
appOp, options, true, false, user.getIdentifier());
} catch (RemoteException e) {
throw e.rethrowFromSystemServer();
}
}
@Override
@Deprecated
public void sendStickyBroadcast(Intent intent) {
warnIfCallingFromSystemProcess();
String resolvedType = intent.resolveTypeIfNeeded(getContentResolver());
try {
intent.prepareToLeaveProcess(this);
ActivityManagerNative.getDefault().broadcastIntent(
mMainThread.getApplicationThread(), intent, resolvedType, null,
Activity.RESULT_OK, null, null, null, AppOpsManager.OP_NONE, null, false, true,
getUserId());
} catch (RemoteException e) {
throw e.rethrowFromSystemServer();
}
}
@Override
@Deprecated
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(this);
ActivityManagerNative.getDefault().broadcastIntent(
mMainThread.getApplicationThread(), intent, resolvedType, rd,
initialCode, initialData, initialExtras, null,
AppOpsManager.OP_NONE, null, true, true, getUserId());
} catch (RemoteException e) {
throw e.rethrowFromSystemServer();
}
}
@Override
@Deprecated
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(this);
ActivityManagerNative.getDefault().unbroadcastIntent(
mMainThread.getApplicationThread(), intent, getUserId());
} catch (RemoteException e) {
throw e.rethrowFromSystemServer();
}
}
@Override
@Deprecated
public void sendStickyBroadcastAsUser(Intent intent, UserHandle user) {
String resolvedType = intent.resolveTypeIfNeeded(getContentResolver());
try {
intent.prepareToLeaveProcess(this);
ActivityManagerNative.getDefault().broadcastIntent(
mMainThread.getApplicationThread(), intent, resolvedType, null,
Activity.RESULT_OK, null, null, null, AppOpsManager.OP_NONE, null, false, true,
user.getIdentifier());
} catch (RemoteException e) {
throw e.rethrowFromSystemServer();
}
}
@Override
@Deprecated
public void sendStickyBroadcastAsUser(Intent intent, UserHandle user, Bundle options) {
String resolvedType = intent.resolveTypeIfNeeded(getContentResolver());
try {
intent.prepareToLeaveProcess(this);
ActivityManagerNative.getDefault().broadcastIntent(
mMainThread.getApplicationThread(), intent, resolvedType, null,
Activity.RESULT_OK, null, null, null, AppOpsManager.OP_NONE, options, false, true,
user.getIdentifier());
} catch (RemoteException e) {
throw e.rethrowFromSystemServer();
}
}
@Override
@Deprecated
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(this);
ActivityManagerNative.getDefault().broadcastIntent(
mMainThread.getApplicationThread(), intent, resolvedType, rd,
initialCode, initialData, initialExtras, null,
AppOpsManager.OP_NONE, null, true, true, user.getIdentifier());
} catch (RemoteException e) {
throw e.rethrowFromSystemServer();
}
}
@Override
@Deprecated
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(this);
ActivityManagerNative.getDefault().unbroadcastIntent(
mMainThread.getApplicationThread(), intent, user.getIdentifier());
} catch (RemoteException e) {
throw e.rethrowFromSystemServer();
}
}
@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 {
final Intent intent = ActivityManagerNative.getDefault().registerReceiver(
mMainThread.getApplicationThread(), mBasePackageName,
rd, filter, broadcastPermission, userId);
if (intent != null) {
intent.setExtrasClassLoader(getClassLoader());
intent.prepareToEnterProcess();
}
return intent;
} catch (RemoteException e) {
throw e.rethrowFromSystemServer();
}
}
@Override
public void unregisterReceiver(BroadcastReceiver receiver) {
if (mPackageInfo != null) {
IIntentReceiver rd = mPackageInfo.forgetReceiverDispatcher(
getOuterContext(), receiver);
try {
ActivityManagerNative.getDefault().unregisterReceiver(rd);
} catch (RemoteException e) {
throw e.rethrowFromSystemServer();
}
} else {
throw new RuntimeException("Not supported in system context");
}
}
private void validateServiceIntent(Intent service) {
if (service.getComponent() == null && service.getPackage() == null) {
if (getApplicationInfo().targetSdkVersion >= Build.VERSION_CODES.LOLLIPOP) {
IllegalArgumentException ex = new IllegalArgumentException(
"Service Intent must be explicit: " + service);
throw ex;
} else {
Log.w(TAG, "Implicit intents with startService are not safe: " + service
+ " " + Debug.getCallers(2, 3));
}
}
}
@Override
public ComponentName startService(Intent service) {
warnIfCallingFromSystemProcess();
return startServiceCommon(service, mUser);
}
@Override
public boolean stopService(Intent service) {
warnIfCallingFromSystemProcess();
return stopServiceCommon(service, mUser);
}
@Override
public ComponentName startServiceAsUser(Intent service, UserHandle user) {
return startServiceCommon(service, user);
}
private ComponentName startServiceCommon(Intent service, UserHandle user) {
try {
validateServiceIntent(service);
service.prepareToLeaveProcess(this);
ComponentName cn = ActivityManagerNative.getDefault().startService(
mMainThread.getApplicationThread(), service, service.resolveTypeIfNeeded(
getContentResolver()), getOpPackageName(), 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) {
throw e.rethrowFromSystemServer();
}
}
@Override
public boolean stopServiceAsUser(Intent service, UserHandle user) {
return stopServiceCommon(service, user);
}
private boolean stopServiceCommon(Intent service, UserHandle user) {
try {
validateServiceIntent(service);
service.prepareToLeaveProcess(this);
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) {
throw e.rethrowFromSystemServer();
}
}
@Override
public boolean bindService(Intent service, ServiceConnection conn,
int flags) {
warnIfCallingFromSystemProcess();
return bindServiceCommon(service, conn, flags, mMainThread.getHandler(),
Process.myUserHandle());
}
/** @hide */
@Override
public boolean bindServiceAsUser(Intent service, ServiceConnection conn, int flags,
UserHandle user) {
return bindServiceCommon(service, conn, flags, mMainThread.getHandler(), user);
}
/** @hide */
@Override
public boolean bindServiceAsUser(Intent service, ServiceConnection conn, int flags,
Handler handler, UserHandle user) {
if (handler == null) {
throw new IllegalArgumentException("handler must not be null.");
}
return bindServiceCommon(service, conn, flags, handler, user);
}
private boolean bindServiceCommon(Intent service, ServiceConnection conn, int flags, Handler
handler, UserHandle user) {
IServiceConnection sd;
if (conn == null) {
throw new IllegalArgumentException("connection is null");
}
if (mPackageInfo != null) {
sd = mPackageInfo.getServiceDispatcher(conn, getOuterContext(), handler, flags);
} else {
throw new RuntimeException("Not supported in system context");
}
validateServiceIntent(service);
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(this);
int res = ActivityManagerNative.getDefault().bindService(
mMainThread.getApplicationThread(), getActivityToken(), service,
service.resolveTypeIfNeeded(getContentResolver()),
sd, flags, getOpPackageName(), user.getIdentifier());
if (res < 0) {
throw new SecurityException(
"Not allowed to bind to service " + service);
}
return res != 0;
} catch (RemoteException e) {
throw e.rethrowFromSystemServer();
}
}
@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) {
throw e.rethrowFromSystemServer();
}
} 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(),
null /* ABI override */);
} catch (RemoteException e) {
throw e.rethrowFromSystemServer();
}
}
@Override
public Object getSystemService(String name) {
return SystemServiceRegistry.getSystemService(this, name);
}
@Override
public String getSystemServiceName(Class<?> serviceClass) {
return SystemServiceRegistry.getSystemServiceName(serviceClass);
}
@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) {
throw e.rethrowFromSystemServer();
}
}
/** @hide */
@Override
public int checkPermission(String permission, int pid, int uid, IBinder callerToken) {
if (permission == null) {
throw new IllegalArgumentException("permission is null");
}
try {
return ActivityManagerNative.getDefault().checkPermissionWithToken(
permission, pid, uid, callerToken);
} catch (RemoteException e) {
throw e.rethrowFromSystemServer();
}
}
@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());
}
@Override
public int checkSelfPermission(String permission) {
if (permission == null) {
throw new IllegalArgumentException("permission is null");
}
return checkPermission(permission, Process.myPid(), Process.myUid());
}
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 +
".");
}
}
@Override
public void enforcePermission(
String permission, int pid, int uid, String message) {
enforce(permission,
checkPermission(permission, pid, uid),
false,
uid,
message);
}
@Override
public void enforceCallingPermission(String permission, String message) {
enforce(permission,
checkCallingPermission(permission),
false,
Binder.getCallingUid(),
message);
}
@Override
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,
ContentProvider.getUriWithoutUserId(uri), modeFlags, resolveUserId(uri));
} catch (RemoteException e) {
throw e.rethrowFromSystemServer();
}
}
@Override
public void revokeUriPermission(Uri uri, int modeFlags) {
try {
ActivityManagerNative.getDefault().revokeUriPermission(
mMainThread.getApplicationThread(),
ContentProvider.getUriWithoutUserId(uri), modeFlags, resolveUserId(uri));
} catch (RemoteException e) {
throw e.rethrowFromSystemServer();
}
}
@Override
public int checkUriPermission(Uri uri, int pid, int uid, int modeFlags) {
try {
return ActivityManagerNative.getDefault().checkUriPermission(
ContentProvider.getUriWithoutUserId(uri), pid, uid, modeFlags,
resolveUserId(uri), null);
} catch (RemoteException e) {
throw e.rethrowFromSystemServer();
}
}
/** @hide */
@Override
public int checkUriPermission(Uri uri, int pid, int uid, int modeFlags, IBinder callerToken) {
try {
return ActivityManagerNative.getDefault().checkUriPermission(
ContentProvider.getUriWithoutUserId(uri), pid, uid, modeFlags,
resolveUserId(uri), callerToken);
} catch (RemoteException e) {
throw e.rethrowFromSystemServer();
}
}
private int resolveUserId(Uri uri) {
return ContentProvider.getUserIdFromUri(uri, getUserId());
}
@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) {
StringBuilder builder = new StringBuilder();
if ((uriModeFlags & Intent.FLAG_GRANT_READ_URI_PERMISSION) != 0) {
builder.append("read and ");
}
if ((uriModeFlags & Intent.FLAG_GRANT_WRITE_URI_PERMISSION) != 0) {
builder.append("write and ");
}
if ((uriModeFlags & Intent.FLAG_GRANT_PERSISTABLE_URI_PERMISSION) != 0) {
builder.append("persistable and ");
}
if ((uriModeFlags & Intent.FLAG_GRANT_PREFIX_URI_PERMISSION) != 0) {
builder.append("prefix and ");
}
if (builder.length() > 5) {
builder.setLength(builder.length() - 5);
return builder.toString();
} else {
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 +
".");
}
}
@Override
public void enforceUriPermission(
Uri uri, int pid, int uid, int modeFlags, String message) {
enforceForUri(
modeFlags, checkUriPermission(uri, pid, uid, modeFlags),
false, uid, uri, message);
}
@Override
public void enforceCallingUriPermission(
Uri uri, int modeFlags, String message) {
enforceForUri(
modeFlags, checkCallingUriPermission(uri, modeFlags),
false,
Binder.getCallingUid(), uri, message);
}
@Override
public void enforceCallingOrSelfUriPermission(
Uri uri, int modeFlags, String message) {
enforceForUri(
modeFlags,
checkCallingOrSelfUriPermission(uri, modeFlags), true,
Binder.getCallingUid(), uri, message);
}
@Override
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);
}
/**
* Logs a warning if the system process directly called a method such as
* {@link #startService(Intent)} instead of {@link #startServiceAsUser(Intent, UserHandle)}.
* The "AsUser" variants allow us to properly enforce the user's restrictions.
*/
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 createApplicationContext(ApplicationInfo application, int flags)
throws NameNotFoundException {
LoadedApk pi = mMainThread.getPackageInfo(application, mResources.getCompatibilityInfo(),
flags | CONTEXT_REGISTER_PACKAGE);
if (pi != null) {
ContextImpl c = new ContextImpl(this, mMainThread, pi, mActivityToken,
new UserHandle(UserHandle.getUserId(application.uid)), flags,
mDisplay, null, Display.INVALID_DISPLAY);
if (c.mResources != null) {
return c;
}
}
throw new PackageManager.NameNotFoundException(
"Application package " + application.packageName + " not found");
}
@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")) {
return new ContextImpl(this, mMainThread, mPackageInfo, mActivityToken,
user, flags, mDisplay, null, Display.INVALID_DISPLAY);
}
LoadedApk pi = mMainThread.getPackageInfo(packageName, mResources.getCompatibilityInfo(),
flags | CONTEXT_REGISTER_PACKAGE, user.getIdentifier());
if (pi != null) {
ContextImpl c = new ContextImpl(this, mMainThread, pi, mActivityToken,
user, flags, mDisplay, null, Display.INVALID_DISPLAY);
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");
}
return new ContextImpl(this, mMainThread, mPackageInfo, mActivityToken,
mUser, mFlags, mDisplay, overrideConfiguration, Display.INVALID_DISPLAY);
}
@Override
public Context createDisplayContext(Display display) {
if (display == null) {
throw new IllegalArgumentException("display must not be null");
}
return new ContextImpl(this, mMainThread, mPackageInfo, mActivityToken,
mUser, mFlags, display, null, Display.INVALID_DISPLAY);
}
@Override
public Context createDeviceProtectedStorageContext() {
final int flags = (mFlags & ~Context.CONTEXT_CREDENTIAL_PROTECTED_STORAGE)
| Context.CONTEXT_DEVICE_PROTECTED_STORAGE;
return new ContextImpl(this, mMainThread, mPackageInfo, mActivityToken,
mUser, flags, mDisplay, null, Display.INVALID_DISPLAY);
}
@Override
public Context createCredentialProtectedStorageContext() {
final int flags = (mFlags & ~Context.CONTEXT_DEVICE_PROTECTED_STORAGE)
| Context.CONTEXT_CREDENTIAL_PROTECTED_STORAGE;
return new ContextImpl(this, mMainThread, mPackageInfo, mActivityToken,
mUser, flags, mDisplay, null, Display.INVALID_DISPLAY);
}
@Override
public boolean isRestricted() {
return (mFlags & Context.CONTEXT_RESTRICTED) != 0;
}
@Override
public boolean isDeviceProtectedStorage() {
return (mFlags & Context.CONTEXT_DEVICE_PROTECTED_STORAGE) != 0;
}
@Override
public boolean isCredentialProtectedStorage() {
return (mFlags & Context.CONTEXT_CREDENTIAL_PROTECTED_STORAGE) != 0;
}
@Override
public Display getDisplay() {
final DisplayAdjustments displayAdjustments = mResources.getDisplayAdjustments();
if (mDisplay == null) {
return mResourcesManager.getAdjustedDisplay(Display.DEFAULT_DISPLAY,
displayAdjustments);
}
if (!mDisplay.getDisplayAdjustments().equals(displayAdjustments)) {
mDisplay = mResourcesManager.getAdjustedDisplay(mDisplay.getDisplayId(),
displayAdjustments);
}
return mDisplay;
}
@Override
public DisplayAdjustments getDisplayAdjustments(int displayId) {
return mResources.getDisplayAdjustments();
}
@Override
public File getDataDir() {
if (mPackageInfo != null) {
File res = null;
if (isCredentialProtectedStorage()) {
res = mPackageInfo.getCredentialProtectedDataDirFile();
} else if (isDeviceProtectedStorage()) {
res = mPackageInfo.getDeviceProtectedDataDirFile();
} else {
res = mPackageInfo.getDataDirFile();
}
if (res != null) {
if (!res.exists() && android.os.Process.myUid() == android.os.Process.SYSTEM_UID) {
Log.wtf(TAG, "Data directory doesn't exist for package " + getPackageName(),
new Throwable());
}
return res;
} else {
throw new RuntimeException(
"No data directory found for package " + getPackageName());
}
} else {
throw new RuntimeException(
"No package details found for package " + getPackageName());
}
}
@Override
public File getDir(String name, int mode) {
checkMode(mode);
name = "app_" + name;
File file = makeFilename(getDataDir(), name);
if (!file.exists()) {
file.mkdir();
setFilePermissionsFromMode(file.getPath(), mode,
FileUtils.S_IRWXU|FileUtils.S_IRWXG|FileUtils.S_IXOTH);
}
return file;
}
/** {@hide} */
@Override
public int getUserId() {
return mUser.getIdentifier();
}
static ContextImpl createSystemContext(ActivityThread mainThread) {
LoadedApk packageInfo = new LoadedApk(mainThread);
ContextImpl context = new ContextImpl(null, mainThread,
packageInfo, null, null, 0, null, null, Display.INVALID_DISPLAY);
context.mResources.updateConfiguration(context.mResourcesManager.getConfiguration(),
context.mResourcesManager.getDisplayMetrics());
return context;
}
static ContextImpl createAppContext(ActivityThread mainThread, LoadedApk packageInfo) {
if (packageInfo == null) throw new IllegalArgumentException("packageInfo");
return new ContextImpl(null, mainThread,
packageInfo, null, null, 0, null, null, Display.INVALID_DISPLAY);
}
static ContextImpl createActivityContext(ActivityThread mainThread,
LoadedApk packageInfo, IBinder activityToken, int displayId,
Configuration overrideConfiguration) {
if (packageInfo == null) throw new IllegalArgumentException("packageInfo");
return new ContextImpl(null, mainThread, packageInfo, activityToken, null, 0,
null, overrideConfiguration, displayId);
}
private ContextImpl(ContextImpl container, ActivityThread mainThread,
LoadedApk packageInfo, IBinder activityToken, UserHandle user, int flags,
Display display, Configuration overrideConfiguration, int createDisplayWithId) {
mOuterContext = this;
// If creator didn't specify which storage to use, use the default
// location for application.
if ((flags & (Context.CONTEXT_CREDENTIAL_PROTECTED_STORAGE
| Context.CONTEXT_DEVICE_PROTECTED_STORAGE)) == 0) {
final File dataDir = packageInfo.getDataDirFile();
if (Objects.equals(dataDir, packageInfo.getCredentialProtectedDataDirFile())) {
flags |= Context.CONTEXT_CREDENTIAL_PROTECTED_STORAGE;
} else if (Objects.equals(dataDir, packageInfo.getDeviceProtectedDataDirFile())) {
flags |= Context.CONTEXT_DEVICE_PROTECTED_STORAGE;
}
}
mMainThread = mainThread;
mActivityToken = activityToken;
mFlags = flags;
if (user == null) {
user = Process.myUserHandle();
}
mUser = user;
mPackageInfo = packageInfo;
mResourcesManager = ResourcesManager.getInstance();
final int displayId = (createDisplayWithId != Display.INVALID_DISPLAY)
? createDisplayWithId
: (display != null) ? display.getDisplayId() : Display.DEFAULT_DISPLAY;
CompatibilityInfo compatInfo = null;
if (container != null) {
compatInfo = container.getDisplayAdjustments(displayId).getCompatibilityInfo();
}
if (compatInfo == null) {
compatInfo = (displayId == Display.DEFAULT_DISPLAY)
? packageInfo.getCompatibilityInfo()
: CompatibilityInfo.DEFAULT_COMPATIBILITY_INFO;
}
Resources resources = packageInfo.getResources(mainThread);
if (resources != null) {
if (displayId != Display.DEFAULT_DISPLAY
|| overrideConfiguration != null
|| (compatInfo != null && compatInfo.applicationScale
!= resources.getCompatibilityInfo().applicationScale)) {
if (container != null) {
// This is a nested Context, so it can't be a base Activity context.
// Just create a regular Resources object associated with the Activity.
resources = mResourcesManager.getResources(
activityToken,
packageInfo.getResDir(),
packageInfo.getSplitResDirs(),
packageInfo.getOverlayDirs(),
packageInfo.getApplicationInfo().sharedLibraryFiles,
displayId,
overrideConfiguration,
compatInfo,
packageInfo.getClassLoader());
} else {
// This is not a nested Context, so it must be the root Activity context.
// All other nested Contexts will inherit the configuration set here.
resources = mResourcesManager.createBaseActivityResources(
activityToken,
packageInfo.getResDir(),
packageInfo.getSplitResDirs(),
packageInfo.getOverlayDirs(),
packageInfo.getApplicationInfo().sharedLibraryFiles,
displayId,
overrideConfiguration,
compatInfo,
packageInfo.getClassLoader());
}
}
}
mResources = resources;
mDisplay = (createDisplayWithId == Display.INVALID_DISPLAY) ? display
: mResourcesManager.getAdjustedDisplay(displayId, mResources.getDisplayAdjustments());
if (container != null) {
mBasePackageName = container.mBasePackageName;
mOpPackageName = container.mOpPackageName;
} else {
mBasePackageName = packageInfo.mPackageName;
ApplicationInfo ainfo = packageInfo.getApplicationInfo();
if (ainfo.uid == Process.SYSTEM_UID && ainfo.uid != Process.myUid()) {
// Special case: system components allow themselves to be loaded in to other
// processes. For purposes of app ops, we must then consider the context as
// belonging to the package of this process, not the system itself, otherwise
// the package+uid verifications in app ops will fail.
mOpPackageName = ActivityThread.currentPackageName();
} else {
mOpPackageName = mBasePackageName;
}
}
mContentResolver = new ApplicationContentResolver(this, mainThread, user);
}
void installSystemApplicationInfo(ApplicationInfo info, ClassLoader classLoader) {
mPackageInfo.installSystemApplicationInfo(info, classLoader);
}
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;
}
private void checkMode(int mode) {
if (getApplicationInfo().targetSdkVersion >= Build.VERSION_CODES.N) {
if ((mode & MODE_WORLD_READABLE) != 0) {
throw new SecurityException("MODE_WORLD_READABLE no longer supported");
}
if ((mode & MODE_WORLD_WRITEABLE) != 0) {
throw new SecurityException("MODE_WORLD_WRITEABLE no longer supported");
}
}
}
@SuppressWarnings("deprecation")
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 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");
}
/**
* Ensure that given directories exist, trying to create them if missing. If
* unable to create, they are filtered by replacing with {@code null}.
*/
private File[] ensureExternalDirsExistOrFilter(File[] dirs) {
File[] result = new File[dirs.length];
for (int i = 0; i < dirs.length; i++) {
File dir = dirs[i];
if (!dir.exists()) {
if (!dir.mkdirs()) {
// recheck existence in case of cross-process race
if (!dir.exists()) {
// Failing to mkdir() may be okay, since we might not have
// enough permissions; ask vold to create on our behalf.
final IMountService mount = IMountService.Stub.asInterface(
ServiceManager.getService("mount"));
try {
final int res = mount.mkdirs(getPackageName(), dir.getAbsolutePath());
if (res != 0) {
Log.w(TAG, "Failed to ensure " + dir + ": " + res);
dir = null;
}
} catch (Exception e) {
Log.w(TAG, "Failed to ensure " + dir + ": " + e);
dir = null;
}
}
}
}
result[i] = dir;
}
return result;
}
// ----------------------------------------------------------------------
// ----------------------------------------------------------------------
// ----------------------------------------------------------------------
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,
ContentProvider.getAuthorityWithoutUserId(auth),
resolveUserIdFromAuthority(auth), true);
}
@Override
protected IContentProvider acquireExistingProvider(Context context, String auth) {
return mMainThread.acquireExistingProvider(context,
ContentProvider.getAuthorityWithoutUserId(auth),
resolveUserIdFromAuthority(auth), true);
}
@Override
public boolean releaseProvider(IContentProvider provider) {
return mMainThread.releaseProvider(provider, true);
}
@Override
protected IContentProvider acquireUnstableProvider(Context c, String auth) {
return mMainThread.acquireProvider(c,
ContentProvider.getAuthorityWithoutUserId(auth),
resolveUserIdFromAuthority(auth), false);
}
@Override
public boolean releaseUnstableProvider(IContentProvider icp) {
return mMainThread.releaseProvider(icp, false);
}
@Override
public void unstableProviderDied(IContentProvider icp) {
mMainThread.handleUnstableProviderDied(icp.asBinder(), true);
}
@Override
public void appNotRespondingViaProvider(IContentProvider icp) {
mMainThread.appNotRespondingViaProvider(icp.asBinder());
}
/** @hide */
protected int resolveUserIdFromAuthority(String auth) {
return ContentProvider.getUserIdFromAuthority(auth, mUser.getIdentifier());
}
}
}
