1 /* 2 * Copyright (C) 2009 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 package com.android.internal.content; 18 19 import android.os.storage.IMountService; 20 21 import android.os.IBinder; 22 import android.os.RemoteException; 23 import android.os.ServiceManager; 24 import android.os.storage.StorageResultCode; 25 import android.util.Log; 26 27 import java.io.File; 28 29 /** 30 * Constants used internally between the PackageManager 31 * and media container service transports. 32 * Some utility methods to invoke MountService api. 33 */ 34 public class PackageHelper { 35 public static final int RECOMMEND_INSTALL_INTERNAL = 1; 36 public static final int RECOMMEND_INSTALL_EXTERNAL = 2; 37 public static final int RECOMMEND_FAILED_INSUFFICIENT_STORAGE = -1; 38 public static final int RECOMMEND_FAILED_INVALID_APK = -2; 39 public static final int RECOMMEND_FAILED_INVALID_LOCATION = -3; 40 public static final int RECOMMEND_FAILED_ALREADY_EXISTS = -4; 41 public static final int RECOMMEND_MEDIA_UNAVAILABLE = -5; 42 public static final int RECOMMEND_FAILED_INVALID_URI = -6; 43 44 private static final boolean localLOGV = true; 45 private static final String TAG = "PackageHelper"; 46 // App installation location settings values 47 public static final int APP_INSTALL_AUTO = 0; 48 public static final int APP_INSTALL_INTERNAL = 1; 49 public static final int APP_INSTALL_EXTERNAL = 2; 50 51 public static IMountService getMountService() { 52 IBinder service = ServiceManager.getService("mount"); 53 if (service != null) { 54 return IMountService.Stub.asInterface(service); 55 } else { 56 Log.e(TAG, "Can't get mount service"); 57 } 58 return null; 59 } 60 61 public static String createSdDir(int sizeMb, String cid, 62 String sdEncKey, int uid) { 63 // Create mount point via MountService 64 IMountService mountService = getMountService(); 65 66 if (localLOGV) 67 Log.i(TAG, "Size of container " + sizeMb + " MB"); 68 69 try { 70 int rc = mountService.createSecureContainer( 71 cid, sizeMb, "fat", sdEncKey, uid); 72 if (rc != StorageResultCode.OperationSucceeded) { 73 Log.e(TAG, "Failed to create secure container " + cid); 74 return null; 75 } 76 String cachePath = mountService.getSecureContainerPath(cid); 77 if (localLOGV) Log.i(TAG, "Created secure container " + cid + 78 " at " + cachePath); 79 return cachePath; 80 } catch (RemoteException e) { 81 Log.e(TAG, "MountService running?"); 82 } 83 return null; 84 } 85 86 public static String mountSdDir(String cid, String key, int ownerUid) { 87 try { 88 int rc = getMountService().mountSecureContainer(cid, key, ownerUid); 89 if (rc != StorageResultCode.OperationSucceeded) { 90 Log.i(TAG, "Failed to mount container " + cid + " rc : " + rc); 91 return null; 92 } 93 return getMountService().getSecureContainerPath(cid); 94 } catch (RemoteException e) { 95 Log.e(TAG, "MountService running?"); 96 } 97 return null; 98 } 99 100 public static boolean unMountSdDir(String cid) { 101 try { 102 int rc = getMountService().unmountSecureContainer(cid, true); 103 if (rc != StorageResultCode.OperationSucceeded) { 104 Log.e(TAG, "Failed to unmount " + cid + " with rc " + rc); 105 return false; 106 } 107 return true; 108 } catch (RemoteException e) { 109 Log.e(TAG, "MountService running?"); 110 } 111 return false; 112 } 113 114 public static boolean renameSdDir(String oldId, String newId) { 115 try { 116 int rc = getMountService().renameSecureContainer(oldId, newId); 117 if (rc != StorageResultCode.OperationSucceeded) { 118 Log.e(TAG, "Failed to rename " + oldId + " to " + 119 newId + "with rc " + rc); 120 return false; 121 } 122 return true; 123 } catch (RemoteException e) { 124 Log.i(TAG, "Failed ot rename " + oldId + " to " + newId + 125 " with exception : " + e); 126 } 127 return false; 128 } 129 130 public static String getSdDir(String cid) { 131 try { 132 return getMountService().getSecureContainerPath(cid); 133 } catch (RemoteException e) { 134 Log.e(TAG, "Failed to get container path for " + cid + 135 " with exception " + e); 136 } 137 return null; 138 } 139 140 public static String getSdFilesystem(String cid) { 141 try { 142 return getMountService().getSecureContainerFilesystemPath(cid); 143 } catch (RemoteException e) { 144 Log.e(TAG, "Failed to get container path for " + cid + 145 " with exception " + e); 146 } 147 return null; 148 } 149 150 public static boolean finalizeSdDir(String cid) { 151 try { 152 int rc = getMountService().finalizeSecureContainer(cid); 153 if (rc != StorageResultCode.OperationSucceeded) { 154 Log.i(TAG, "Failed to finalize container " + cid); 155 return false; 156 } 157 return true; 158 } catch (RemoteException e) { 159 Log.e(TAG, "Failed to finalize container " + cid + 160 " with exception " + e); 161 } 162 return false; 163 } 164 165 public static boolean destroySdDir(String cid) { 166 try { 167 if (localLOGV) Log.i(TAG, "Forcibly destroying container " + cid); 168 int rc = getMountService().destroySecureContainer(cid, true); 169 if (rc != StorageResultCode.OperationSucceeded) { 170 Log.i(TAG, "Failed to destroy container " + cid); 171 return false; 172 } 173 return true; 174 } catch (RemoteException e) { 175 Log.e(TAG, "Failed to destroy container " + cid + 176 " with exception " + e); 177 } 178 return false; 179 } 180 181 public static String[] getSecureContainerList() { 182 try { 183 return getMountService().getSecureContainerList(); 184 } catch (RemoteException e) { 185 Log.e(TAG, "Failed to get secure container list with exception" + 186 e); 187 } 188 return null; 189 } 190 191 public static boolean isContainerMounted(String cid) { 192 try { 193 return getMountService().isSecureContainerMounted(cid); 194 } catch (RemoteException e) { 195 Log.e(TAG, "Failed to find out if container " + cid + " mounted"); 196 } 197 return false; 198 } 199 } 200
