Suchi Amalapurapu | c028be4 | 2010-01-25 12:19:12 -0800 | [diff] [blame] | 1 | package com.android.defcontainer; |
| 2 | |
| 3 | import com.android.internal.app.IMediaContainerService; |
Suchi Amalapurapu | 5b993ce | 2010-02-12 09:43:29 -0800 | [diff] [blame^] | 4 | import com.android.internal.content.PackageHelper; |
Suchi Amalapurapu | c028be4 | 2010-01-25 12:19:12 -0800 | [diff] [blame] | 5 | import android.content.Intent; |
Dianne Hackborn | e83cefce | 2010-02-04 17:38:14 -0800 | [diff] [blame] | 6 | import android.content.pm.IPackageManager; |
Suchi Amalapurapu | 5b993ce | 2010-02-12 09:43:29 -0800 | [diff] [blame^] | 7 | import android.content.pm.PackageInfo; |
Dianne Hackborn | e83cefce | 2010-02-04 17:38:14 -0800 | [diff] [blame] | 8 | import android.content.pm.PackageManager; |
Suchi Amalapurapu | 5b993ce | 2010-02-12 09:43:29 -0800 | [diff] [blame^] | 9 | import android.content.pm.PackageParser; |
| 10 | import android.content.pm.PackageParser.Package; |
Suchi Amalapurapu | c028be4 | 2010-01-25 12:19:12 -0800 | [diff] [blame] | 11 | import android.net.Uri; |
| 12 | import android.os.Debug; |
Dianne Hackborn | e83cefce | 2010-02-04 17:38:14 -0800 | [diff] [blame] | 13 | import android.os.Environment; |
Suchi Amalapurapu | c028be4 | 2010-01-25 12:19:12 -0800 | [diff] [blame] | 14 | import android.os.IBinder; |
San Mehat | b104340 | 2010-02-05 08:26:50 -0800 | [diff] [blame] | 15 | import android.os.storage.IMountService; |
| 16 | import android.os.storage.StorageResultCode; |
Suchi Amalapurapu | c028be4 | 2010-01-25 12:19:12 -0800 | [diff] [blame] | 17 | import android.os.ParcelFileDescriptor; |
| 18 | import android.os.Process; |
| 19 | import android.os.RemoteException; |
| 20 | import android.os.ServiceManager; |
Suchi Amalapurapu | 5b993ce | 2010-02-12 09:43:29 -0800 | [diff] [blame^] | 21 | import android.os.StatFs; |
Dianne Hackborn | e83cefce | 2010-02-04 17:38:14 -0800 | [diff] [blame] | 22 | import android.app.IntentService; |
Suchi Amalapurapu | c028be4 | 2010-01-25 12:19:12 -0800 | [diff] [blame] | 23 | import android.app.Service; |
Suchi Amalapurapu | 5b993ce | 2010-02-12 09:43:29 -0800 | [diff] [blame^] | 24 | import android.util.DisplayMetrics; |
Suchi Amalapurapu | c028be4 | 2010-01-25 12:19:12 -0800 | [diff] [blame] | 25 | import android.util.Log; |
| 26 | |
| 27 | import java.io.File; |
| 28 | import java.io.FileInputStream; |
| 29 | import java.io.FileNotFoundException; |
| 30 | import java.io.FileOutputStream; |
| 31 | import java.io.IOException; |
| 32 | import java.io.InputStream; |
| 33 | import java.io.OutputStream; |
| 34 | |
| 35 | import android.os.FileUtils; |
Suchi Amalapurapu | 5b993ce | 2010-02-12 09:43:29 -0800 | [diff] [blame^] | 36 | import android.provider.Settings; |
Suchi Amalapurapu | c028be4 | 2010-01-25 12:19:12 -0800 | [diff] [blame] | 37 | |
Suchi Amalapurapu | c028be4 | 2010-01-25 12:19:12 -0800 | [diff] [blame] | 38 | /* |
| 39 | * This service copies a downloaded apk to a file passed in as |
| 40 | * a ParcelFileDescriptor or to a newly created container specified |
| 41 | * by parameters. The DownloadManager gives access to this process |
| 42 | * based on its uid. This process also needs the ACCESS_DOWNLOAD_MANAGER |
| 43 | * permission to access apks downloaded via the download manager. |
| 44 | */ |
Dianne Hackborn | e83cefce | 2010-02-04 17:38:14 -0800 | [diff] [blame] | 45 | public class DefaultContainerService extends IntentService { |
Suchi Amalapurapu | c028be4 | 2010-01-25 12:19:12 -0800 | [diff] [blame] | 46 | private static final String TAG = "DefContainer"; |
| 47 | private static final boolean localLOGV = false; |
| 48 | |
| 49 | private IMediaContainerService.Stub mBinder = new IMediaContainerService.Stub() { |
| 50 | /* |
| 51 | * Creates a new container and copies resource there. |
| 52 | * @param paackageURI the uri of resource to be copied. Can be either |
| 53 | * a content uri or a file uri |
| 54 | * @param containerId the id of the secure container that should |
| 55 | * be used for creating a secure container into which the resource |
| 56 | * will be copied. |
| 57 | * @param key Refers to key used for encrypting the secure container |
| 58 | * @param resFileName Name of the target resource file(relative to newly |
| 59 | * created secure container) |
| 60 | * @return Returns the new cache path where the resource has been copied into |
| 61 | * |
| 62 | */ |
| 63 | public String copyResourceToContainer(final Uri packageURI, |
| 64 | final String containerId, |
| 65 | final String key, final String resFileName) { |
| 66 | if (packageURI == null || containerId == null) { |
| 67 | return null; |
| 68 | } |
| 69 | return copyResourceInner(packageURI, containerId, key, resFileName); |
| 70 | } |
| 71 | |
| 72 | /* |
| 73 | * Copy specified resource to output stream |
| 74 | * @param packageURI the uri of resource to be copied. Should be a |
| 75 | * file uri |
| 76 | * @param outStream Remote file descriptor to be used for copying |
| 77 | * @return Returns true if copy succeded or false otherwise. |
| 78 | */ |
| 79 | public boolean copyResource(final Uri packageURI, |
| 80 | ParcelFileDescriptor outStream) { |
| 81 | if (packageURI == null || outStream == null) { |
| 82 | return false; |
| 83 | } |
| 84 | ParcelFileDescriptor.AutoCloseOutputStream |
| 85 | autoOut = new ParcelFileDescriptor.AutoCloseOutputStream(outStream); |
| 86 | return copyFile(packageURI, autoOut); |
| 87 | } |
Suchi Amalapurapu | 5b993ce | 2010-02-12 09:43:29 -0800 | [diff] [blame^] | 88 | |
| 89 | /* |
| 90 | * Determine the recommended install location for package |
| 91 | * specified by file uri location. |
| 92 | * @param fileUri the uri of resource to be copied. Should be a |
| 93 | * file uri |
| 94 | * @return Returns |
| 95 | * PackageHelper.RECOMMEND_INSTALL_INTERNAL to install on internal storage |
| 96 | * PackageHelper.RECOMMEND_INSTALL_EXTERNAL to install on external media |
| 97 | * PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE for storage errors |
| 98 | * PackageHelper.RECOMMEND_FAILED_INVALID_APK for parse errors. |
| 99 | */ |
| 100 | public int getRecommendedInstallLocation(final Uri fileUri) { |
| 101 | if (!fileUri.getScheme().equals("file")) { |
| 102 | Log.w(TAG, "Falling back to installing on internal storage only"); |
| 103 | return PackageHelper.RECOMMEND_INSTALL_INTERNAL; |
| 104 | } |
| 105 | final String archiveFilePath = fileUri.getPath(); |
| 106 | PackageParser packageParser = new PackageParser(archiveFilePath); |
| 107 | File sourceFile = new File(archiveFilePath); |
| 108 | DisplayMetrics metrics = new DisplayMetrics(); |
| 109 | metrics.setToDefaults(); |
| 110 | PackageParser.Package pkg = packageParser.parsePackage(sourceFile, archiveFilePath, metrics, 0); |
| 111 | if (pkg == null) { |
| 112 | Log.w(TAG, "Failed to parse package"); |
| 113 | return PackageHelper.RECOMMEND_FAILED_INVALID_APK; |
| 114 | } |
| 115 | int loc = recommendAppInstallLocation(pkg); |
| 116 | if (loc == PackageManager.INSTALL_EXTERNAL) { |
| 117 | return PackageHelper.RECOMMEND_INSTALL_EXTERNAL; |
| 118 | } else if (loc == ERR_LOC) { |
| 119 | Log.i(TAG, "Failed to install insufficient storage"); |
| 120 | return PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE; |
| 121 | } else { |
| 122 | // Implies install on internal storage. |
| 123 | return 0; |
| 124 | } |
| 125 | } |
Suchi Amalapurapu | c028be4 | 2010-01-25 12:19:12 -0800 | [diff] [blame] | 126 | }; |
| 127 | |
Dianne Hackborn | e83cefce | 2010-02-04 17:38:14 -0800 | [diff] [blame] | 128 | public DefaultContainerService() { |
| 129 | super("DefaultContainerService"); |
| 130 | setIntentRedelivery(true); |
| 131 | } |
| 132 | |
| 133 | @Override |
| 134 | protected void onHandleIntent(Intent intent) { |
| 135 | if (PackageManager.ACTION_CLEAN_EXTERNAL_STORAGE.equals(intent.getAction())) { |
| 136 | IPackageManager pm = IPackageManager.Stub.asInterface( |
| 137 | ServiceManager.getService("package")); |
| 138 | String pkg = null; |
| 139 | try { |
| 140 | while ((pkg=pm.nextPackageToClean(pkg)) != null) { |
| 141 | eraseFiles(Environment.getExternalStorageAppDataDirectory(pkg)); |
| 142 | eraseFiles(Environment.getExternalStorageAppMediaDirectory(pkg)); |
| 143 | } |
| 144 | } catch (RemoteException e) { |
| 145 | } |
| 146 | } |
| 147 | } |
| 148 | |
| 149 | void eraseFiles(File path) { |
| 150 | if (path.isDirectory()) { |
| 151 | String[] files = path.list(); |
| 152 | if (files != null) { |
| 153 | for (String file : files) { |
| 154 | eraseFiles(new File(path, file)); |
| 155 | } |
| 156 | } |
| 157 | } |
Dianne Hackborn | e83cefce | 2010-02-04 17:38:14 -0800 | [diff] [blame] | 158 | path.delete(); |
| 159 | } |
| 160 | |
Suchi Amalapurapu | c028be4 | 2010-01-25 12:19:12 -0800 | [diff] [blame] | 161 | public IBinder onBind(Intent intent) { |
| 162 | return mBinder; |
| 163 | } |
| 164 | |
| 165 | private IMountService getMountService() { |
| 166 | return IMountService.Stub.asInterface(ServiceManager.getService("mount")); |
| 167 | } |
| 168 | |
| 169 | private String copyResourceInner(Uri packageURI, String newCacheId, String key, String resFileName) { |
| 170 | // Create new container at newCachePath |
| 171 | String codePath = packageURI.getPath(); |
| 172 | String newCachePath = null; |
| 173 | final int CREATE_FAILED = 1; |
| 174 | final int COPY_FAILED = 2; |
| 175 | final int FINALIZE_FAILED = 3; |
| 176 | final int PASS = 4; |
| 177 | int errCode = CREATE_FAILED; |
| 178 | // Create new container |
| 179 | if ((newCachePath = createSdDir(packageURI, newCacheId, key)) != null) { |
Suchi Amalapurapu | 08675a3 | 2010-01-28 09:57:30 -0800 | [diff] [blame] | 180 | if (localLOGV) Log.i(TAG, "Created container for " + newCacheId |
| 181 | + " at path : " + newCachePath); |
Suchi Amalapurapu | c028be4 | 2010-01-25 12:19:12 -0800 | [diff] [blame] | 182 | File resFile = new File(newCachePath, resFileName); |
| 183 | errCode = COPY_FAILED; |
Suchi Amalapurapu | c028be4 | 2010-01-25 12:19:12 -0800 | [diff] [blame] | 184 | // Copy file from codePath |
| 185 | if (FileUtils.copyFile(new File(codePath), resFile)) { |
Suchi Amalapurapu | 08675a3 | 2010-01-28 09:57:30 -0800 | [diff] [blame] | 186 | if (localLOGV) Log.i(TAG, "Copied " + codePath + " to " + resFile); |
Suchi Amalapurapu | c028be4 | 2010-01-25 12:19:12 -0800 | [diff] [blame] | 187 | errCode = FINALIZE_FAILED; |
| 188 | if (finalizeSdDir(newCacheId)) { |
| 189 | errCode = PASS; |
| 190 | } |
| 191 | } |
| 192 | } |
| 193 | // Print error based on errCode |
| 194 | String errMsg = ""; |
| 195 | switch (errCode) { |
| 196 | case CREATE_FAILED: |
| 197 | errMsg = "CREATE_FAILED"; |
| 198 | break; |
| 199 | case COPY_FAILED: |
| 200 | errMsg = "COPY_FAILED"; |
Suchi Amalapurapu | 08675a3 | 2010-01-28 09:57:30 -0800 | [diff] [blame] | 201 | if (localLOGV) Log.i(TAG, "Destroying " + newCacheId + |
| 202 | " at path " + newCachePath + " after " + errMsg); |
Suchi Amalapurapu | c028be4 | 2010-01-25 12:19:12 -0800 | [diff] [blame] | 203 | destroySdDir(newCacheId); |
| 204 | break; |
| 205 | case FINALIZE_FAILED: |
| 206 | errMsg = "FINALIZE_FAILED"; |
Suchi Amalapurapu | 08675a3 | 2010-01-28 09:57:30 -0800 | [diff] [blame] | 207 | if (localLOGV) Log.i(TAG, "Destroying " + newCacheId + |
| 208 | " at path " + newCachePath + " after " + errMsg); |
Suchi Amalapurapu | c028be4 | 2010-01-25 12:19:12 -0800 | [diff] [blame] | 209 | destroySdDir(newCacheId); |
| 210 | break; |
| 211 | default: |
| 212 | errMsg = "PASS"; |
Suchi Amalapurapu | 08675a3 | 2010-01-28 09:57:30 -0800 | [diff] [blame] | 213 | if (localLOGV) Log.i(TAG, "Unmounting " + newCacheId + |
| 214 | " at path " + newCachePath + " after " + errMsg); |
Suchi Amalapurapu | c028be4 | 2010-01-25 12:19:12 -0800 | [diff] [blame] | 215 | unMountSdDir(newCacheId); |
| 216 | break; |
| 217 | } |
Suchi Amalapurapu | c028be4 | 2010-01-25 12:19:12 -0800 | [diff] [blame] | 218 | if (errCode != PASS) { |
| 219 | return null; |
| 220 | } |
| 221 | return newCachePath; |
| 222 | } |
| 223 | |
| 224 | private String createSdDir(final Uri packageURI, |
| 225 | String containerId, String sdEncKey) { |
| 226 | File tmpPackageFile = new File(packageURI.getPath()); |
| 227 | // Create mount point via MountService |
| 228 | IMountService mountService = getMountService(); |
| 229 | long len = tmpPackageFile.length(); |
| 230 | int mbLen = (int) (len/(1024*1024)); |
| 231 | if ((len - (mbLen * 1024 * 1024)) > 0) { |
| 232 | mbLen++; |
| 233 | } |
Suchi Amalapurapu | 08675a3 | 2010-01-28 09:57:30 -0800 | [diff] [blame] | 234 | if (localLOGV) Log.i(TAG, "mbLen=" + mbLen); |
Suchi Amalapurapu | c028be4 | 2010-01-25 12:19:12 -0800 | [diff] [blame] | 235 | String cachePath = null; |
| 236 | int ownerUid = Process.myUid(); |
| 237 | try { |
San Mehat | 63d15ee | 2010-01-29 05:35:53 -0800 | [diff] [blame] | 238 | int rc = mountService.createSecureContainer( |
| 239 | containerId, mbLen, "vfat", sdEncKey, ownerUid); |
| 240 | |
San Mehat | b104340 | 2010-02-05 08:26:50 -0800 | [diff] [blame] | 241 | if (rc != StorageResultCode.OperationSucceeded) { |
San Mehat | 63d15ee | 2010-01-29 05:35:53 -0800 | [diff] [blame] | 242 | Log.e(TAG, String.format("Container creation failed (%d)", rc)); |
| 243 | |
| 244 | // XXX: This destroy should not be necessary |
| 245 | rc = mountService.destroySecureContainer(containerId); |
San Mehat | b104340 | 2010-02-05 08:26:50 -0800 | [diff] [blame] | 246 | if (rc != StorageResultCode.OperationSucceeded) { |
San Mehat | 63d15ee | 2010-01-29 05:35:53 -0800 | [diff] [blame] | 247 | Log.e(TAG, String.format("Container creation-cleanup failed (%d)", rc)); |
| 248 | return null; |
| 249 | } |
| 250 | |
| 251 | // XXX: Does this ever actually succeed? |
| 252 | rc = mountService.createSecureContainer( |
| 253 | containerId, mbLen, "vfat", sdEncKey, ownerUid); |
San Mehat | b104340 | 2010-02-05 08:26:50 -0800 | [diff] [blame] | 254 | if (rc != StorageResultCode.OperationSucceeded) { |
San Mehat | 63d15ee | 2010-01-29 05:35:53 -0800 | [diff] [blame] | 255 | Log.e(TAG, String.format("Container creation retry failed (%d)", rc)); |
| 256 | } |
| 257 | } |
| 258 | |
| 259 | cachePath = mountService.getSecureContainerPath(containerId); |
Suchi Amalapurapu | c028be4 | 2010-01-25 12:19:12 -0800 | [diff] [blame] | 260 | if (localLOGV) Log.i(TAG, "Trying to create secure container for " |
| 261 | + containerId + ", cachePath =" + cachePath); |
| 262 | return cachePath; |
Suchi Amalapurapu | c028be4 | 2010-01-25 12:19:12 -0800 | [diff] [blame] | 263 | } catch(RemoteException e) { |
San Mehat | 63d15ee | 2010-01-29 05:35:53 -0800 | [diff] [blame] | 264 | Log.e(TAG, "MountService not running?"); |
Suchi Amalapurapu | c028be4 | 2010-01-25 12:19:12 -0800 | [diff] [blame] | 265 | return null; |
| 266 | } |
Suchi Amalapurapu | c028be4 | 2010-01-25 12:19:12 -0800 | [diff] [blame] | 267 | } |
| 268 | |
| 269 | private boolean destroySdDir(String containerId) { |
| 270 | try { |
| 271 | // We need to destroy right away |
| 272 | getMountService().destroySecureContainer(containerId); |
| 273 | return true; |
| 274 | } catch (IllegalStateException e) { |
| 275 | Log.i(TAG, "Failed to destroy container : " + containerId); |
| 276 | } catch(RemoteException e) { |
San Mehat | 63d15ee | 2010-01-29 05:35:53 -0800 | [diff] [blame] | 277 | Log.e(TAG, "MountService not running?"); |
Suchi Amalapurapu | c028be4 | 2010-01-25 12:19:12 -0800 | [diff] [blame] | 278 | } |
| 279 | return false; |
| 280 | } |
| 281 | |
| 282 | private boolean finalizeSdDir(String containerId){ |
| 283 | try { |
| 284 | getMountService().finalizeSecureContainer(containerId); |
| 285 | return true; |
| 286 | } catch (IllegalStateException e) { |
| 287 | Log.i(TAG, "Failed to finalize container for pkg : " + containerId); |
| 288 | } catch(RemoteException e) { |
San Mehat | 63d15ee | 2010-01-29 05:35:53 -0800 | [diff] [blame] | 289 | Log.e(TAG, "MountService not running?"); |
Suchi Amalapurapu | c028be4 | 2010-01-25 12:19:12 -0800 | [diff] [blame] | 290 | } |
| 291 | return false; |
| 292 | } |
| 293 | |
| 294 | private boolean unMountSdDir(String containerId) { |
| 295 | try { |
| 296 | getMountService().unmountSecureContainer(containerId); |
| 297 | return true; |
| 298 | } catch (IllegalStateException e) { |
| 299 | Log.e(TAG, "Failed to unmount id: " + containerId + " with exception " + e); |
| 300 | } catch(RemoteException e) { |
San Mehat | 63d15ee | 2010-01-29 05:35:53 -0800 | [diff] [blame] | 301 | Log.e(TAG, "MountService not running?"); |
Suchi Amalapurapu | c028be4 | 2010-01-25 12:19:12 -0800 | [diff] [blame] | 302 | } |
| 303 | return false; |
| 304 | } |
| 305 | |
| 306 | private String mountSdDir(String containerId, String key) { |
| 307 | try { |
San Mehat | 63d15ee | 2010-01-29 05:35:53 -0800 | [diff] [blame] | 308 | int rc = getMountService().mountSecureContainer(containerId, key, Process.myUid()); |
San Mehat | b104340 | 2010-02-05 08:26:50 -0800 | [diff] [blame] | 309 | if (rc == StorageResultCode.OperationSucceeded) { |
San Mehat | 63d15ee | 2010-01-29 05:35:53 -0800 | [diff] [blame] | 310 | return getMountService().getSecureContainerPath(containerId); |
| 311 | } else { |
| 312 | Log.e(TAG, String.format("Failed to mount id %s with rc %d ", containerId, rc)); |
| 313 | } |
Suchi Amalapurapu | c028be4 | 2010-01-25 12:19:12 -0800 | [diff] [blame] | 314 | } catch(RemoteException e) { |
San Mehat | 63d15ee | 2010-01-29 05:35:53 -0800 | [diff] [blame] | 315 | Log.e(TAG, "MountService not running?"); |
Suchi Amalapurapu | c028be4 | 2010-01-25 12:19:12 -0800 | [diff] [blame] | 316 | } |
| 317 | return null; |
| 318 | } |
| 319 | |
| 320 | public static boolean copyToFile(InputStream inputStream, FileOutputStream out) { |
| 321 | try { |
| 322 | byte[] buffer = new byte[4096]; |
| 323 | int bytesRead; |
| 324 | while ((bytesRead = inputStream.read(buffer)) >= 0) { |
| 325 | out.write(buffer, 0, bytesRead); |
| 326 | } |
| 327 | return true; |
| 328 | } catch (IOException e) { |
| 329 | Log.i(TAG, "Exception : " + e + " when copying file"); |
| 330 | return false; |
| 331 | } |
| 332 | } |
| 333 | |
| 334 | public static boolean copyToFile(File srcFile, FileOutputStream out) { |
| 335 | InputStream inputStream = null; |
| 336 | try { |
| 337 | inputStream = new FileInputStream(srcFile); |
| 338 | return copyToFile(inputStream, out); |
| 339 | } catch (IOException e) { |
| 340 | return false; |
| 341 | } finally { |
| 342 | try { if (inputStream != null) inputStream.close(); } catch (IOException e) {} |
| 343 | } |
| 344 | } |
| 345 | |
| 346 | private boolean copyFile(Uri pPackageURI, FileOutputStream outStream) { |
| 347 | if (pPackageURI.getScheme().equals("file")) { |
| 348 | final File srcPackageFile = new File(pPackageURI.getPath()); |
| 349 | // We copy the source package file to a temp file and then rename it to the |
| 350 | // destination file in order to eliminate a window where the package directory |
| 351 | // scanner notices the new package file but it's not completely copied yet. |
| 352 | if (!copyToFile(srcPackageFile, outStream)) { |
| 353 | Log.e(TAG, "Couldn't copy file: " + srcPackageFile); |
| 354 | return false; |
| 355 | } |
| 356 | } else if (pPackageURI.getScheme().equals("content")) { |
| 357 | ParcelFileDescriptor fd = null; |
| 358 | try { |
| 359 | fd = getContentResolver().openFileDescriptor(pPackageURI, "r"); |
| 360 | } catch (FileNotFoundException e) { |
| 361 | Log.e(TAG, "Couldn't open file descriptor from download service. Failed with exception " + e); |
| 362 | return false; |
| 363 | } |
| 364 | if (fd == null) { |
| 365 | Log.e(TAG, "Couldn't open file descriptor from download service (null)."); |
| 366 | return false; |
| 367 | } else { |
| 368 | if (localLOGV) { |
| 369 | Log.v(TAG, "Opened file descriptor from download service."); |
| 370 | } |
| 371 | ParcelFileDescriptor.AutoCloseInputStream |
| 372 | dlStream = new ParcelFileDescriptor.AutoCloseInputStream(fd); |
| 373 | // We copy the source package file to a temp file and then rename it to the |
| 374 | // destination file in order to eliminate a window where the package directory |
| 375 | // scanner notices the new package file but it's not completely copied yet. |
| 376 | if (!copyToFile(dlStream, outStream)) { |
| 377 | Log.e(TAG, "Couldn't copy " + pPackageURI + " to temp file."); |
| 378 | return false; |
| 379 | } |
| 380 | } |
| 381 | } else { |
| 382 | Log.e(TAG, "Package URI is not 'file:' or 'content:' - " + pPackageURI); |
| 383 | return false; |
| 384 | } |
| 385 | return true; |
| 386 | } |
Suchi Amalapurapu | 5b993ce | 2010-02-12 09:43:29 -0800 | [diff] [blame^] | 387 | |
| 388 | // Constants related to app heuristics |
| 389 | // No-installation limit for internal flash: 10% or less space available |
| 390 | private static final double LOW_NAND_FLASH_TRESHOLD = 0.1; |
| 391 | |
| 392 | // SD-to-internal app size threshold: currently set to 1 MB |
| 393 | private static final long INSTALL_ON_SD_THRESHOLD = (1024 * 1024); |
| 394 | private static final int ERR_LOC = -1; |
| 395 | |
| 396 | public int recommendAppInstallLocation(Package pkg) { |
| 397 | // Initial implementation: |
| 398 | // Package size = code size + cache size + data size |
| 399 | // If code size > 1 MB, install on SD card. |
| 400 | // Else install on internal NAND flash, unless space on NAND is less than 10% |
| 401 | |
| 402 | if (pkg == null) { |
| 403 | return ERR_LOC; |
| 404 | } |
| 405 | |
| 406 | StatFs internalFlashStats = new StatFs(Environment.getDataDirectory().getPath()); |
| 407 | StatFs sdcardStats = new StatFs(Environment.getExternalStorageDirectory().getPath()); |
| 408 | |
| 409 | long totalInternalFlashSize = (long)internalFlashStats.getBlockCount() * |
| 410 | (long)internalFlashStats.getBlockSize(); |
| 411 | long availInternalFlashSize = (long)internalFlashStats.getAvailableBlocks() * |
| 412 | (long)internalFlashStats.getBlockSize(); |
| 413 | long availSDSize = (long)sdcardStats.getAvailableBlocks() * |
| 414 | (long)sdcardStats.getBlockSize(); |
| 415 | |
| 416 | double pctNandFree = (double)availInternalFlashSize / (double)totalInternalFlashSize; |
| 417 | |
| 418 | final String archiveFilePath = pkg.mScanPath; |
| 419 | File apkFile = new File(archiveFilePath); |
| 420 | long pkgLen = apkFile.length(); |
| 421 | |
| 422 | boolean auto = true; |
| 423 | // To make final copy |
| 424 | long reqInstallSize = pkgLen; |
| 425 | // For dex files |
| 426 | long reqInternalSize = 1 * pkgLen; |
| 427 | boolean intThresholdOk = (pctNandFree >= LOW_NAND_FLASH_TRESHOLD); |
| 428 | boolean intAvailOk = ((reqInstallSize + reqInternalSize) < availInternalFlashSize); |
| 429 | boolean fitsOnSd = (reqInstallSize < availSDSize) && intThresholdOk && |
| 430 | (reqInternalSize < availInternalFlashSize); |
| 431 | boolean fitsOnInt = intThresholdOk && intAvailOk; |
| 432 | |
| 433 | // Consider application flags preferences as well... |
| 434 | boolean installOnlyOnSd = (pkg.installLocation == |
| 435 | PackageInfo.INSTALL_LOCATION_PREFER_EXTERNAL); |
| 436 | boolean installOnlyInternal = (pkg.installLocation == |
| 437 | PackageInfo.INSTALL_LOCATION_INTERNAL_ONLY); |
| 438 | if (installOnlyInternal) { |
| 439 | // If set explicitly in manifest, |
| 440 | // let that override everything else |
| 441 | auto = false; |
| 442 | } else if (installOnlyOnSd){ |
| 443 | // Check if this can be accommodated on the sdcard |
| 444 | if (fitsOnSd) { |
| 445 | auto = false; |
| 446 | } |
| 447 | } else { |
| 448 | // Check if user option is enabled |
| 449 | boolean setInstallLoc = Settings.System.getInt(getApplicationContext() |
| 450 | .getContentResolver(), |
| 451 | Settings.System.SET_INSTALL_LOCATION, 0) != 0; |
| 452 | if (setInstallLoc) { |
| 453 | // Pick user preference |
| 454 | int installPreference = Settings.System.getInt(getApplicationContext() |
| 455 | .getContentResolver(), |
| 456 | Settings.System.DEFAULT_INSTALL_LOCATION, |
| 457 | PackageInfo.INSTALL_LOCATION_AUTO); |
| 458 | if (installPreference == 1) { |
| 459 | installOnlyInternal = true; |
| 460 | auto = false; |
| 461 | } else if (installPreference == 2) { |
| 462 | installOnlyOnSd = true; |
| 463 | auto = false; |
| 464 | } |
| 465 | } |
| 466 | } |
| 467 | if (!auto) { |
| 468 | if (installOnlyOnSd) { |
| 469 | return fitsOnSd ? PackageManager.INSTALL_EXTERNAL : ERR_LOC; |
| 470 | } else if (installOnlyInternal){ |
| 471 | // Check on internal flash |
| 472 | return fitsOnInt ? 0 : ERR_LOC; |
| 473 | } |
| 474 | } |
| 475 | // Try to install internally |
| 476 | if (fitsOnInt) { |
| 477 | return 0; |
| 478 | } |
| 479 | // Try the sdcard now. |
| 480 | if (fitsOnSd) { |
| 481 | return PackageManager.INSTALL_EXTERNAL; |
| 482 | } |
| 483 | // Return error code |
| 484 | return ERR_LOC; |
| 485 | } |
| 486 | |
Suchi Amalapurapu | c028be4 | 2010-01-25 12:19:12 -0800 | [diff] [blame] | 487 | } |