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/*
* Copyright (C) 2009 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 com.android.internal.content;
import android.os.storage.IMountService;
import android.os.IBinder;
import android.os.RemoteException;
import android.os.ServiceManager;
import android.os.storage.StorageResultCode;
import android.util.Log;
import java.io.File;
/**
* Constants used internally between the PackageManager
* and media container service transports.
* Some utility methods to invoke MountService api.
*/
public class PackageHelper {
public static final int RECOMMEND_INSTALL_INTERNAL = 1;
public static final int RECOMMEND_INSTALL_EXTERNAL = 2;
public static final int RECOMMEND_FAILED_INSUFFICIENT_STORAGE = -1;
public static final int RECOMMEND_FAILED_INVALID_APK = -2;
public static final int RECOMMEND_FAILED_INVALID_LOCATION = -3;
public static final int RECOMMEND_FAILED_ALREADY_EXISTS = -4;
public static final int RECOMMEND_MEDIA_UNAVAILABLE = -5;
private static final boolean localLOGV = true;
private static final String TAG = "PackageHelper";
// App installation location settings values
public static final int APP_INSTALL_AUTO = 0;
public static final int APP_INSTALL_INTERNAL = 1;
public static final int APP_INSTALL_EXTERNAL = 2;
public static IMountService getMountService() {
IBinder service = ServiceManager.getService("mount");
if (service != null) {
return IMountService.Stub.asInterface(service);
} else {
Log.e(TAG, "Can't get mount service");
}
return null;
}
public static String createSdDir(int sizeMb, String cid,
String sdEncKey, int uid) {
// Create mount point via MountService
IMountService mountService = getMountService();
if (localLOGV)
Log.i(TAG, "Size of container " + sizeMb + " MB");
try {
int rc = mountService.createSecureContainer(
cid, sizeMb, "fat", sdEncKey, uid);
if (rc != StorageResultCode.OperationSucceeded) {
Log.e(TAG, "Failed to create secure container " + cid);
return null;
}
String cachePath = mountService.getSecureContainerPath(cid);
if (localLOGV) Log.i(TAG, "Created secure container " + cid +
" at " + cachePath);
return cachePath;
} catch (RemoteException e) {
Log.e(TAG, "MountService running?");
}
return null;
}
public static String mountSdDir(String cid, String key, int ownerUid) {
try {
int rc = getMountService().mountSecureContainer(cid, key, ownerUid);
if (rc != StorageResultCode.OperationSucceeded) {
Log.i(TAG, "Failed to mount container " + cid + " rc : " + rc);
return null;
}
return getMountService().getSecureContainerPath(cid);
} catch (RemoteException e) {
Log.e(TAG, "MountService running?");
}
return null;
}
public static boolean unMountSdDir(String cid) {
try {
int rc = getMountService().unmountSecureContainer(cid, true);
if (rc != StorageResultCode.OperationSucceeded) {
Log.e(TAG, "Failed to unmount " + cid + " with rc " + rc);
return false;
}
return true;
} catch (RemoteException e) {
Log.e(TAG, "MountService running?");
}
return false;
}
public static boolean renameSdDir(String oldId, String newId) {
try {
int rc = getMountService().renameSecureContainer(oldId, newId);
if (rc != StorageResultCode.OperationSucceeded) {
Log.e(TAG, "Failed to rename " + oldId + " to " +
newId + "with rc " + rc);
return false;
}
return true;
} catch (RemoteException e) {
Log.i(TAG, "Failed ot rename " + oldId + " to " + newId +
" with exception : " + e);
}
return false;
}
public static String getSdDir(String cid) {
try {
return getMountService().getSecureContainerPath(cid);
} catch (RemoteException e) {
Log.e(TAG, "Failed to get container path for " + cid +
" with exception " + e);
}
return null;
}
public static String getSdFilesystem(String cid) {
try {
return getMountService().getSecureContainerFilesystemPath(cid);
} catch (RemoteException e) {
Log.e(TAG, "Failed to get container path for " + cid +
" with exception " + e);
}
return null;
}
public static boolean finalizeSdDir(String cid) {
try {
int rc = getMountService().finalizeSecureContainer(cid);
if (rc != StorageResultCode.OperationSucceeded) {
Log.i(TAG, "Failed to finalize container " + cid);
return false;
}
return true;
} catch (RemoteException e) {
Log.e(TAG, "Failed to finalize container " + cid +
" with exception " + e);
}
return false;
}
public static boolean destroySdDir(String cid) {
try {
if (localLOGV) Log.i(TAG, "Forcibly destroying container " + cid);
int rc = getMountService().destroySecureContainer(cid, true);
if (rc != StorageResultCode.OperationSucceeded) {
Log.i(TAG, "Failed to destroy container " + cid);
return false;
}
return true;
} catch (RemoteException e) {
Log.e(TAG, "Failed to destroy container " + cid +
" with exception " + e);
}
return false;
}
public static String[] getSecureContainerList() {
try {
return getMountService().getSecureContainerList();
} catch (RemoteException e) {
Log.e(TAG, "Failed to get secure container list with exception" +
e);
}
return null;
}
public static boolean isContainerMounted(String cid) {
try {
return getMountService().isSecureContainerMounted(cid);
} catch (RemoteException e) {
Log.e(TAG, "Failed to find out if container " + cid + " mounted");
}
return false;
}
}
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