src/com/owncloud/android/files/services/FileUploader.java

   1 /* ownCloud Android client application
   2  *   Copyright (C) 2012 Bartek Przybylski
   3  *   Copyright (C) 2012-2013 ownCloud Inc.
   4  *
   5  *   This program is free software: you can redistribute it and/or modify
   6  *   it under the terms of the GNU General Public License version 2,
   7  *   as published by the Free Software Foundation.
   8  *
   9  *   This program is distributed in the hope that it will be useful,
  10  *   but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12  *   GNU General Public License for more details.
  13  *
  14  *   You should have received a copy of the GNU General Public License
  15  *   along with this program.  If not, see <http://www.gnu.org/licenses/>.
  16  *
  17  */
  18
  19 package com.owncloud.android.files.services;
  20
  21 import java.io.File;
  22 import java.io.IOException;
  23 import java.util.AbstractList;
  24 import java.util.HashMap;
  25 import java.util.Iterator;
  26 import java.util.Map;
  27 import java.util.Vector;
  28 import java.util.concurrent.ConcurrentHashMap;
  29 import java.util.concurrent.ConcurrentMap;
  30
  31 import com.owncloud.android.R;
  32 import com.owncloud.android.authentication.AuthenticatorActivity;
  33 import com.owncloud.android.datamodel.FileDataStorageManager;
  34 import com.owncloud.android.datamodel.OCFile;
  35 import com.owncloud.android.db.DbHandler;
  36 import com.owncloud.android.operations.CreateFolderOperation;
  37 import com.owncloud.android.lib.resources.files.RemoteFile;
  38 import com.owncloud.android.lib.common.operations.RemoteOperation;
  39 import com.owncloud.android.lib.common.operations.RemoteOperationResult;
  40 import com.owncloud.android.operations.UploadFileOperation;
  41 import com.owncloud.android.lib.common.operations.RemoteOperationResult.ResultCode;
  42 import com.owncloud.android.lib.resources.files.ExistenceCheckRemoteOperation;
  43 import com.owncloud.android.lib.resources.files.ReadRemoteFileOperation;
  44 import com.owncloud.android.lib.resources.files.FileUtils;
  45 import com.owncloud.android.lib.resources.status.OwnCloudVersion;
  46 import com.owncloud.android.lib.common.accounts.AccountUtils.Constants;
  47 import com.owncloud.android.lib.common.network.OnDatatransferProgressListener;
  48 import com.owncloud.android.lib.common.OwnCloudClientFactory;
  49 import com.owncloud.android.lib.common.OwnCloudClient;
  50 import com.owncloud.android.ui.activity.FailedUploadActivity;
  51 import com.owncloud.android.ui.activity.FileActivity;
  52 import com.owncloud.android.ui.activity.FileDisplayActivity;
  53 import com.owncloud.android.ui.activity.InstantUploadActivity;
  54 import com.owncloud.android.ui.preview.PreviewImageActivity;
  55 import com.owncloud.android.ui.preview.PreviewImageFragment;
  56 import com.owncloud.android.utils.DisplayUtils;
  57 import com.owncloud.android.utils.Log_OC;
  58
  59 import android.accounts.Account;
  60 import android.accounts.AccountManager;
  61 import android.accounts.AccountsException;
  62 import android.app.Notification;
  63 import android.app.NotificationManager;
  64 import android.app.PendingIntent;
  65 import android.app.Service;
  66 import android.content.Intent;
  67 import android.os.Binder;
  68 import android.os.Handler;
  69 import android.os.HandlerThread;
  70 import android.os.IBinder;
  71 import android.os.Looper;
  72 import android.os.Message;
  73 import android.os.Process;
  74 import android.support.v4.app.NotificationCompat;
  75 import android.webkit.MimeTypeMap;
  76 import android.widget.RemoteViews;
  77
  78
  79
  80 public class FileUploader extends Service implements OnDatatransferProgressListener {
  81
  82     private static final String UPLOAD_FINISH_MESSAGE = "UPLOAD_FINISH";
  83     public static final String EXTRA_UPLOAD_RESULT = "RESULT";
  84     public static final String EXTRA_REMOTE_PATH = "REMOTE_PATH";
  85     public static final String EXTRA_OLD_REMOTE_PATH = "OLD_REMOTE_PATH";
  86     public static final String EXTRA_OLD_FILE_PATH = "OLD_FILE_PATH";
  87     public static final String ACCOUNT_NAME = "ACCOUNT_NAME";
  88
  89     public static final String KEY_FILE = "FILE";
  90     public static final String KEY_LOCAL_FILE = "LOCAL_FILE";
  91     public static final String KEY_REMOTE_FILE = "REMOTE_FILE";
  92     public static final String KEY_MIME_TYPE = "MIME_TYPE";
  93
  94     public static final String KEY_ACCOUNT = "ACCOUNT";
  95
  96     public static final String KEY_UPLOAD_TYPE = "UPLOAD_TYPE";
  97     public static final String KEY_FORCE_OVERWRITE = "KEY_FORCE_OVERWRITE";
  98     public static final String KEY_INSTANT_UPLOAD = "INSTANT_UPLOAD";
  99     public static final String KEY_LOCAL_BEHAVIOUR = "BEHAVIOUR";
 100
 101     public static final int LOCAL_BEHAVIOUR_COPY = 0;
 102     public static final int LOCAL_BEHAVIOUR_MOVE = 1;
 103     public static final int LOCAL_BEHAVIOUR_FORGET = 2;
 104
 105     public static final int UPLOAD_SINGLE_FILE = 0;
 106     public static final int UPLOAD_MULTIPLE_FILES = 1;
 107
 108     private static final String TAG = FileUploader.class.getSimpleName();
 109
 110     private Looper mServiceLooper;
 111     private ServiceHandler mServiceHandler;
 112     private IBinder mBinder;
 113     private OwnCloudClient mUploadClient = null;
 114     private Account mLastAccount = null;
 115     private FileDataStorageManager mStorageManager;
 116
 117     private ConcurrentMap<String, UploadFileOperation> mPendingUploads = new ConcurrentHashMap<String, UploadFileOperation>();
 118     private UploadFileOperation mCurrentUpload = null;
 119
 120     private NotificationManager mNotificationManager;
 121     private NotificationCompat.Builder mNotificationBuilder;
 122     private int mLastPercent;
 123     private RemoteViews mDefaultNotificationContentView;
 124
 125
 126     public static String getUploadFinishMessage() {
 127         return FileUploader.class.getName().toString() + UPLOAD_FINISH_MESSAGE;
 128     }
 129
 130     /**
 131      * Builds a key for mPendingUploads from the account and file to upload
 132      *
 133      * @param account   Account where the file to upload is stored
 134      * @param file      File to upload
 135      */
 136     private String buildRemoteName(Account account, OCFile file) {
 137         return account.name + file.getRemotePath();
 138     }
 139
 140     private String buildRemoteName(Account account, String remotePath) {
 141         return account.name + remotePath;
 142     }
 143
 144     /**
 145      * Checks if an ownCloud server version should support chunked uploads.
 146      *
 147      * @param version OwnCloud version instance corresponding to an ownCloud
 148      *            server.
 149      * @return 'True' if the ownCloud server with version supports chunked
 150      *         uploads.
 151      */
 152     private static boolean chunkedUploadIsSupported(OwnCloudVersion version) {
 153         return (version != null && version.compareTo(OwnCloudVersion.owncloud_v4_5) >= 0);
 154     }
 155
 156     /**
 157      * Service initialization
 158      */
 159     @Override
 160     public void onCreate() {
 161         super.onCreate();
 162         Log_OC.i(TAG, "mPendingUploads size:" + mPendingUploads.size());
 163         mNotificationManager = (NotificationManager) getSystemService(NOTIFICATION_SERVICE);
 164         HandlerThread thread = new HandlerThread("FileUploaderThread", Process.THREAD_PRIORITY_BACKGROUND);
 165         thread.start();
 166         mServiceLooper = thread.getLooper();
 167         mServiceHandler = new ServiceHandler(mServiceLooper, this);
 168         mBinder = new FileUploaderBinder();
 169     }
 170
 171     /**
 172      * Entry point to add one or several files to the queue of uploads.
 173      *
 174      * New uploads are added calling to startService(), resulting in a call to
 175      * this method. This ensures the service will keep on working although the
 176      * caller activity goes away.
 177      */
 178     @Override
 179     public int onStartCommand(Intent intent, int flags, int startId) {
 180         if (!intent.hasExtra(KEY_ACCOUNT) || !intent.hasExtra(KEY_UPLOAD_TYPE)
 181                 || !(intent.hasExtra(KEY_LOCAL_FILE) || intent.hasExtra(KEY_FILE))) {
 182             Log_OC.e(TAG, "Not enough information provided in intent");
 183             return Service.START_NOT_STICKY;
 184         }
 185         int uploadType = intent.getIntExtra(KEY_UPLOAD_TYPE, -1);
 186         if (uploadType == -1) {
 187             Log_OC.e(TAG, "Incorrect upload type provided");
 188             return Service.START_NOT_STICKY;
 189         }
 190         Account account = intent.getParcelableExtra(KEY_ACCOUNT);
 191
 192         String[] localPaths = null, remotePaths = null, mimeTypes = null;
 193         OCFile[] files = null;
 194         if (uploadType == UPLOAD_SINGLE_FILE) {
 195
 196             if (intent.hasExtra(KEY_FILE)) {
 197                 files = new OCFile[] { intent.getParcelableExtra(KEY_FILE) };
 198
 199             } else {
 200                 localPaths = new String[] { intent.getStringExtra(KEY_LOCAL_FILE) };
 201                 remotePaths = new String[] { intent.getStringExtra(KEY_REMOTE_FILE) };
 202                 mimeTypes = new String[] { intent.getStringExtra(KEY_MIME_TYPE) };
 203             }
 204
 205         } else { // mUploadType == UPLOAD_MULTIPLE_FILES
 206
 207             if (intent.hasExtra(KEY_FILE)) {
 208                 files = (OCFile[]) intent.getParcelableArrayExtra(KEY_FILE); // TODO
 209                                                                              // will
 210                                                                              // this
 211                                                                              // casting
 212                                                                              // work
 213                                                                              // fine?
 214
 215             } else {
 216                 localPaths = intent.getStringArrayExtra(KEY_LOCAL_FILE);
 217                 remotePaths = intent.getStringArrayExtra(KEY_REMOTE_FILE);
 218                 mimeTypes = intent.getStringArrayExtra(KEY_MIME_TYPE);
 219             }
 220         }
 221
 222         FileDataStorageManager storageManager = new FileDataStorageManager(account, getContentResolver());
 223
 224         boolean forceOverwrite = intent.getBooleanExtra(KEY_FORCE_OVERWRITE, false);
 225         boolean isInstant = intent.getBooleanExtra(KEY_INSTANT_UPLOAD, false);
 226         int localAction = intent.getIntExtra(KEY_LOCAL_BEHAVIOUR, LOCAL_BEHAVIOUR_COPY);
 227
 228         if (intent.hasExtra(KEY_FILE) && files == null) {
 229             Log_OC.e(TAG, "Incorrect array for OCFiles provided in upload intent");
 230             return Service.START_NOT_STICKY;
 231
 232         } else if (!intent.hasExtra(KEY_FILE)) {
 233             if (localPaths == null) {
 234                 Log_OC.e(TAG, "Incorrect array for local paths provided in upload intent");
 235                 return Service.START_NOT_STICKY;
 236             }
 237             if (remotePaths == null) {
 238                 Log_OC.e(TAG, "Incorrect array for remote paths provided in upload intent");
 239                 return Service.START_NOT_STICKY;
 240             }
 241             if (localPaths.length != remotePaths.length) {
 242                 Log_OC.e(TAG, "Different number of remote paths and local paths!");
 243                 return Service.START_NOT_STICKY;
 244             }
 245
 246             files = new OCFile[localPaths.length];
 247             for (int i = 0; i < localPaths.length; i++) {
 248                 files[i] = obtainNewOCFileToUpload(remotePaths[i], localPaths[i], ((mimeTypes != null) ? mimeTypes[i]
 249                         : (String) null), storageManager);
 250                 if (files[i] == null) {
 251                     // TODO @andomaex add failure Notification
 252                     return Service.START_NOT_STICKY;
 253                 }
 254             }
 255         }
 256
 257         AccountManager aMgr = AccountManager.get(this);
 258         String version = aMgr.getUserData(account, Constants.KEY_OC_VERSION);
 259         String versionString = aMgr.getUserData(account, Constants.KEY_OC_VERSION_STRING);
 260         OwnCloudVersion ocv = new OwnCloudVersion(version, versionString);
 261
 262         boolean chunked = FileUploader.chunkedUploadIsSupported(ocv);
 263         AbstractList<String> requestedUploads = new Vector<String>();
 264         String uploadKey = null;
 265         UploadFileOperation newUpload = null;
 266         try {
 267             for (int i = 0; i < files.length; i++) {
 268                 uploadKey = buildRemoteName(account, files[i].getRemotePath());
 269                 newUpload = new UploadFileOperation(account, files[i], chunked, isInstant, forceOverwrite, localAction,
 270                         getApplicationContext());
 271                 if (isInstant) {
 272                     newUpload.setRemoteFolderToBeCreated();
 273                 }
 274                 mPendingUploads.putIfAbsent(uploadKey, newUpload); // Grants that the file only upload once time
 275
 276                 newUpload.addDatatransferProgressListener(this);
 277                 newUpload.addDatatransferProgressListener((FileUploaderBinder)mBinder);
 278                 requestedUploads.add(uploadKey);
 279             }
 280
 281         } catch (IllegalArgumentException e) {
 282             Log_OC.e(TAG, "Not enough information provided in intent: " + e.getMessage());
 283             return START_NOT_STICKY;
 284
 285         } catch (IllegalStateException e) {
 286             Log_OC.e(TAG, "Bad information provided in intent: " + e.getMessage());
 287             return START_NOT_STICKY;
 288
 289         } catch (Exception e) {
 290             Log_OC.e(TAG, "Unexpected exception while processing upload intent", e);
 291             return START_NOT_STICKY;
 292
 293         }
 294
 295         if (requestedUploads.size() > 0) {
 296             Message msg = mServiceHandler.obtainMessage();
 297             msg.arg1 = startId;
 298             msg.obj = requestedUploads;
 299             mServiceHandler.sendMessage(msg);
 300         }
 301         Log_OC.i(TAG, "mPendingUploads size:" + mPendingUploads.size());
 302         return Service.START_NOT_STICKY;
 303     }
 304
 305     /**
 306      * Provides a binder object that clients can use to perform operations on
 307      * the queue of uploads, excepting the addition of new files.
 308      *
 309      * Implemented to perform cancellation, pause and resume of existing
 310      * uploads.
 311      */
 312     @Override
 313     public IBinder onBind(Intent arg0) {
 314         return mBinder;
 315     }
 316
 317     /**
 318      * Called when ALL the bound clients were onbound.
 319      */
 320     @Override
 321     public boolean onUnbind(Intent intent) {
 322         ((FileUploaderBinder)mBinder).clearListeners();
 323         return false;   // not accepting rebinding (default behaviour)
 324     }
 325
 326
 327     /**
 328      * Binder to let client components to perform operations on the queue of
 329      * uploads.
 330      *
 331      * It provides by itself the available operations.
 332      */
 333     public class FileUploaderBinder extends Binder implements OnDatatransferProgressListener {
 334
 335         /**
 336          * Map of listeners that will be reported about progress of uploads from a {@link FileUploaderBinder} instance
 337          */
 338         private Map<String, OnDatatransferProgressListener> mBoundListeners = new HashMap<String, OnDatatransferProgressListener>();
 339
 340         /**
 341          * Cancels a pending or current upload of a remote file.
 342          *
 343          * @param account Owncloud account where the remote file will be stored.
 344          * @param file A file in the queue of pending uploads
 345          */
 346         public void cancel(Account account, OCFile file) {
 347             UploadFileOperation upload = null;
 348             synchronized (mPendingUploads) {
 349                 upload = mPendingUploads.remove(buildRemoteName(account, file));
 350             }
 351             if (upload != null) {
 352                 upload.cancel();
 353             }
 354         }
 355
 356
 357
 358         public void clearListeners() {
 359             mBoundListeners.clear();
 360         }
 361
 362
 363
 364
 365         /**
 366          * Returns True when the file described by 'file' is being uploaded to
 367          * the ownCloud account 'account' or waiting for it
 368          *
 369          * If 'file' is a directory, returns 'true' if some of its descendant files is uploading or waiting to upload.
 370          *
 371          * @param account Owncloud account where the remote file will be stored.
 372          * @param file A file that could be in the queue of pending uploads
 373          */
 374         public boolean isUploading(Account account, OCFile file) {
 375             if (account == null || file == null)
 376                 return false;
 377             String targetKey = buildRemoteName(account, file);
 378             synchronized (mPendingUploads) {
 379                 if (file.isFolder()) {
 380                     // this can be slow if there are many uploads :(
 381                     Iterator<String> it = mPendingUploads.keySet().iterator();
 382                     boolean found = false;
 383                     while (it.hasNext() && !found) {
 384                         found = it.next().startsWith(targetKey);
 385                     }
 386                     return found;
 387                 } else {
 388                     return (mPendingUploads.containsKey(targetKey));
 389                 }
 390             }
 391         }
 392
 393
 394         /**
 395          * Adds a listener interested in the progress of the upload for a concrete file.
 396          *
 397          * @param listener      Object to notify about progress of transfer.
 398          * @param account       ownCloud account holding the file of interest.
 399          * @param file          {@link OCfile} of interest for listener.
 400          */
 401         public void addDatatransferProgressListener (OnDatatransferProgressListener listener, Account account, OCFile file) {
 402             if (account == null || file == null || listener == null) return;
 403             String targetKey = buildRemoteName(account, file);
 404             mBoundListeners.put(targetKey, listener);
 405         }
 406
 407
 408
 409         /**
 410          * Removes a listener interested in the progress of the upload for a concrete file.
 411          *
 412          * @param listener      Object to notify about progress of transfer.
 413          * @param account       ownCloud account holding the file of interest.
 414          * @param file          {@link OCfile} of interest for listener.
 415          */
 416         public void removeDatatransferProgressListener (OnDatatransferProgressListener listener, Account account, OCFile file) {
 417             if (account == null || file == null || listener == null) return;
 418             String targetKey = buildRemoteName(account, file);
 419             if (mBoundListeners.get(targetKey) == listener) {
 420                 mBoundListeners.remove(targetKey);
 421             }
 422         }
 423
 424
 425         @Override
 426         public void onTransferProgress(long progressRate, long totalTransferredSoFar, long totalToTransfer,
 427                 String fileName) {
 428             String key = buildRemoteName(mCurrentUpload.getAccount(), mCurrentUpload.getFile());
 429             OnDatatransferProgressListener boundListener = mBoundListeners.get(key);
 430             if (boundListener != null) {
 431                 boundListener.onTransferProgress(progressRate, totalTransferredSoFar, totalToTransfer, fileName);
 432             }
 433         }
 434
 435     }
 436
 437     /**
 438      * Upload worker. Performs the pending uploads in the order they were
 439      * requested.
 440      *
 441      * Created with the Looper of a new thread, started in
 442      * {@link FileUploader#onCreate()}.
 443      */
 444     private static class ServiceHandler extends Handler {
 445         // don't make it a final class, and don't remove the static ; lint will
 446         // warn about a possible memory leak
 447         FileUploader mService;
 448
 449         public ServiceHandler(Looper looper, FileUploader service) {
 450             super(looper);
 451             if (service == null)
 452                 throw new IllegalArgumentException("Received invalid NULL in parameter 'service'");
 453             mService = service;
 454         }
 455
 456         @Override
 457         public void handleMessage(Message msg) {
 458             @SuppressWarnings("unchecked")
 459             AbstractList<String> requestedUploads = (AbstractList<String>) msg.obj;
 460             if (msg.obj != null) {
 461                 Iterator<String> it = requestedUploads.iterator();
 462                 while (it.hasNext()) {
 463                     mService.uploadFile(it.next());
 464                 }
 465             }
 466             mService.stopSelf(msg.arg1);
 467         }
 468     }
 469
 470     /**
 471      * Core upload method: sends the file(s) to upload
 472      *
 473      * @param uploadKey Key to access the upload to perform, contained in
 474      *            mPendingUploads
 475      */
 476     public void uploadFile(String uploadKey) {
 477
 478         synchronized (mPendingUploads) {
 479             mCurrentUpload = mPendingUploads.get(uploadKey);
 480         }
 481
 482         if (mCurrentUpload != null) {
 483
 484             notifyUploadStart(mCurrentUpload);
 485
 486             RemoteOperationResult uploadResult = null, grantResult = null;
 487
 488             try {
 489                 /// prepare client object to send requests to the ownCloud server
 490                 if (mUploadClient == null || !mLastAccount.equals(mCurrentUpload.getAccount())) {
 491                     mLastAccount = mCurrentUpload.getAccount();
 492                     mStorageManager = new FileDataStorageManager(mLastAccount, getContentResolver());
 493                     mUploadClient = OwnCloudClientFactory.createOwnCloudClient(mLastAccount, getApplicationContext());
 494                 }
 495
 496                 /// check the existence of the parent folder for the file to upload
 497                 String remoteParentPath = new File(mCurrentUpload.getRemotePath()).getParent();
 498                 remoteParentPath = remoteParentPath.endsWith(OCFile.PATH_SEPARATOR) ? remoteParentPath : remoteParentPath + OCFile.PATH_SEPARATOR;
 499                 grantResult = grantFolderExistence(remoteParentPath);
 500
 501                 /// perform the upload
 502                 if (grantResult.isSuccess()) {
 503                     OCFile parent = mStorageManager.getFileByPath(remoteParentPath);
 504                     mCurrentUpload.getFile().setParentId(parent.getFileId());
 505                     uploadResult = mCurrentUpload.execute(mUploadClient);
 506                     if (uploadResult.isSuccess()) {
 507                         saveUploadedFile();
 508                     }
 509                 } else {
 510                     uploadResult = grantResult;
 511                 }
 512
 513             } catch (AccountsException e) {
 514                 Log_OC.e(TAG, "Error while trying to get autorization for " + mLastAccount.name, e);
 515                 uploadResult = new RemoteOperationResult(e);
 516
 517             } catch (IOException e) {
 518                 Log_OC.e(TAG, "Error while trying to get autorization for " + mLastAccount.name, e);
 519                 uploadResult = new RemoteOperationResult(e);
 520
 521             } finally {
 522                 synchronized (mPendingUploads) {
 523                     mPendingUploads.remove(uploadKey);
 524                     Log_OC.i(TAG, "Remove CurrentUploadItem from pending upload Item Map.");
 525                 }
 526                 if (uploadResult.isException()) {
 527                     // enforce the creation of a new client object for next uploads; this grant that a new socket will
 528                     // be created in the future if the current exception is due to an abrupt lose of network connection
 529                     mUploadClient = null;
 530                 }
 531             }
 532
 533             /// notify result
 534
 535             notifyUploadResult(uploadResult, mCurrentUpload);
 536             sendFinalBroadcast(mCurrentUpload, uploadResult);
 537
 538         }
 539
 540     }
 541
 542     /**
 543      * Checks the existence of the folder where the current file will be uploaded both in the remote server
 544      * and in the local database.
 545      *
 546      * If the upload is set to enforce the creation of the folder, the method tries to create it both remote
 547      * and locally.
 548      *
 549      *  @param  pathToGrant     Full remote path whose existence will be granted.
 550      *  @return  An {@link OCFile} instance corresponding to the folder where the file will be uploaded.
 551      */
 552     private RemoteOperationResult grantFolderExistence(String pathToGrant) {
 553         RemoteOperation operation = new ExistenceCheckRemoteOperation(pathToGrant, this, false);
 554         RemoteOperationResult result = operation.execute(mUploadClient);
 555         if (!result.isSuccess() && result.getCode() == ResultCode.FILE_NOT_FOUND && mCurrentUpload.isRemoteFolderToBeCreated()) {
 556             operation = new CreateFolderOperation( pathToGrant,
 557                     true,
 558                     mStorageManager    );
 559             result = operation.execute(mUploadClient);
 560         }
 561         if (result.isSuccess()) {
 562             OCFile parentDir = mStorageManager.getFileByPath(pathToGrant);
 563             if (parentDir == null) {
 564                 parentDir = createLocalFolder(pathToGrant);
 565             }
 566             if (parentDir != null) {
 567                 result = new RemoteOperationResult(ResultCode.OK);
 568             } else {
 569                 result = new RemoteOperationResult(ResultCode.UNKNOWN_ERROR);
 570             }
 571         }
 572         return result;
 573     }
 574
 575
 576     private OCFile createLocalFolder(String remotePath) {
 577         String parentPath = new File(remotePath).getParent();
 578         parentPath = parentPath.endsWith(OCFile.PATH_SEPARATOR) ? parentPath : parentPath + OCFile.PATH_SEPARATOR;
 579         OCFile parent = mStorageManager.getFileByPath(parentPath);
 580         if (parent == null) {
 581             parent = createLocalFolder(parentPath);
 582         }
 583         if (parent != null) {
 584             OCFile createdFolder = new OCFile(remotePath);
 585             createdFolder.setMimetype("DIR");
 586             createdFolder.setParentId(parent.getFileId());
 587             mStorageManager.saveFile(createdFolder);
 588             return createdFolder;
 589         }
 590         return null;
 591     }
 592
 593
 594     /**
 595      * Saves a OC File after a successful upload.
 596      *
 597      * A PROPFIND is necessary to keep the props in the local database
 598      * synchronized with the server, specially the modification time and Etag
 599      * (where available)
 600      *
 601      * TODO refactor this ugly thing
 602      */
 603     private void saveUploadedFile() {
 604         OCFile file = mCurrentUpload.getFile();
 605         if (file.fileExists()) {
 606             file = mStorageManager.getFileById(file.getFileId());
 607         }
 608         long syncDate = System.currentTimeMillis();
 609         file.setLastSyncDateForData(syncDate);
 610
 611         // new PROPFIND to keep data consistent with server
 612         // in theory, should return the same we already have
 613         ReadRemoteFileOperation operation = new ReadRemoteFileOperation(mCurrentUpload.getRemotePath());
 614         RemoteOperationResult result = operation.execute(mUploadClient);
 615         if (result.isSuccess()) {
 616             updateOCFile(file, (RemoteFile) result.getData().get(0));
 617             file.setLastSyncDateForProperties(syncDate);
 618         }
 619
 620         // / maybe this would be better as part of UploadFileOperation... or
 621         // maybe all this method
 622         if (mCurrentUpload.wasRenamed()) {
 623             OCFile oldFile = mCurrentUpload.getOldFile();
 624             if (oldFile.fileExists()) {
 625                 oldFile.setStoragePath(null);
 626                 mStorageManager.saveFile(oldFile);
 627
 628             } // else: it was just an automatic renaming due to a name
 629               // coincidence; nothing else is needed, the storagePath is right
 630               // in the instance returned by mCurrentUpload.getFile()
 631         }
 632
 633         mStorageManager.saveFile(file);
 634     }
 635
 636     private void updateOCFile(OCFile file, RemoteFile remoteFile) {
 637         file.setCreationTimestamp(remoteFile.getCreationTimestamp());
 638         file.setFileLength(remoteFile.getLength());
 639         file.setMimetype(remoteFile.getMimeType());
 640         file.setModificationTimestamp(remoteFile.getModifiedTimestamp());
 641         file.setModificationTimestampAtLastSyncForData(remoteFile.getModifiedTimestamp());
 642         // file.setEtag(remoteFile.getEtag());    // TODO Etag, where available
 643     }
 644
 645     private OCFile obtainNewOCFileToUpload(String remotePath, String localPath, String mimeType,
 646             FileDataStorageManager storageManager) {
 647         OCFile newFile = new OCFile(remotePath);
 648         newFile.setStoragePath(localPath);
 649         newFile.setLastSyncDateForProperties(0);
 650         newFile.setLastSyncDateForData(0);
 651
 652         // size
 653         if (localPath != null && localPath.length() > 0) {
 654             File localFile = new File(localPath);
 655             newFile.setFileLength(localFile.length());
 656             newFile.setLastSyncDateForData(localFile.lastModified());
 657         } // don't worry about not assigning size, the problems with localPath
 658           // are checked when the UploadFileOperation instance is created
 659
 660         // MIME type
 661         if (mimeType == null || mimeType.length() <= 0) {
 662             try {
 663                 mimeType = MimeTypeMap.getSingleton().getMimeTypeFromExtension(
 664                         remotePath.substring(remotePath.lastIndexOf('.') + 1));
 665             } catch (IndexOutOfBoundsException e) {
 666                 Log_OC.e(TAG, "Trying to find out MIME type of a file without extension: " + remotePath);
 667             }
 668         }
 669         if (mimeType == null) {
 670             mimeType = "application/octet-stream";
 671         }
 672         newFile.setMimetype(mimeType);
 673
 674         return newFile;
 675     }
 676
 677     /**
 678      * Creates a status notification to show the upload progress
 679      *
 680      * @param upload Upload operation starting.
 681      */
 682     @SuppressWarnings("deprecation")
 683     private void notifyUploadStart(UploadFileOperation upload) {
 684         // / create status notification with a progress bar
 685         mLastPercent = 0;
 686         mNotificationBuilder = new NotificationCompat.Builder(this);
 687         mNotificationBuilder
 688                 .setOngoing(true)
 689                 .setSmallIcon(R.drawable.notification_icon)
 690                 .setTicker(getString(R.string.uploader_upload_in_progress_ticker))
 691                 .setContentTitle(getString(R.string.uploader_upload_in_progress_ticker))
 692                 .setProgress(100, 0, false)
 693                 .setContentText(
 694                         String.format(getString(R.string.uploader_upload_in_progress_content), 0, upload.getFileName()));
 695
 696         /// includes a pending intent in the notification showing the details view of the file
 697         Intent showDetailsIntent = new Intent(this, FileDisplayActivity.class);
 698         showDetailsIntent.putExtra(FileActivity.EXTRA_FILE, upload.getFile());
 699         showDetailsIntent.putExtra(FileActivity.EXTRA_ACCOUNT, upload.getAccount());
 700         showDetailsIntent.setFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP);
 701         mNotificationBuilder.setContentIntent(PendingIntent.getActivity(
 702             this, (int) System.currentTimeMillis(), showDetailsIntent, 0
 703         ));
 704
 705         mNotificationManager.notify(R.string.uploader_upload_in_progress_ticker, mNotificationBuilder.build());
 706     }
 707
 708     /**
 709      * Callback method to update the progress bar in the status notification
 710      */
 711     @Override
 712     public void onTransferProgress(long progressRate, long totalTransferredSoFar, long totalToTransfer, String filePath) {
 713         int percent = (int) (100.0 * ((double) totalTransferredSoFar) / ((double) totalToTransfer));
 714         if (percent != mLastPercent) {
 715             mNotificationBuilder.setProgress(100, percent, false);
 716             String fileName = filePath.substring(filePath.lastIndexOf(FileUtils.PATH_SEPARATOR) + 1);
 717             String text = String.format(getString(R.string.uploader_upload_in_progress_content), percent, fileName);
 718             mNotificationBuilder.setContentText(text);
 719             mNotificationManager.notify(R.string.uploader_upload_in_progress_ticker, mNotificationBuilder.build());
 720         }
 721         mLastPercent = percent;
 722     }
 723
 724     /**
 725      * Updates the status notification with the result of an upload operation.
 726      *
 727      * @param uploadResult Result of the upload operation.
 728      * @param upload Finished upload operation
 729      */
 730     private void notifyUploadResult(RemoteOperationResult uploadResult, UploadFileOperation upload) {
 731         Log_OC.d(TAG, "NotifyUploadResult with resultCode: " + uploadResult.getCode());
 732         if (uploadResult.isCancelled()) {
 733             // / cancelled operation -> silent removal of progress notification
 734             mNotificationManager.cancel(R.string.uploader_upload_in_progress_ticker);
 735
 736         } else if (uploadResult.isSuccess()) {
 737             // / success -> silent update of progress notification to success
 738             // message
 739             mNotificationBuilder.setOngoing(false).setAutoCancel(true);
 740
 741             /// includes a pending intent in the notification showing the details view of the file
 742             Intent showDetailsIntent = null;
 743             if (PreviewImageFragment.canBePreviewed(upload.getFile())) {
 744                 showDetailsIntent = new Intent(this, PreviewImageActivity.class);
 745             } else {
 746                 showDetailsIntent = new Intent(this, FileDisplayActivity.class);
 747             }
 748             showDetailsIntent.putExtra(FileActivity.EXTRA_FILE, upload.getFile());
 749             showDetailsIntent.putExtra(FileActivity.EXTRA_ACCOUNT, upload.getAccount());
 750             showDetailsIntent.putExtra(FileActivity.EXTRA_FROM_NOTIFICATION, true);;
 751             mNotificationBuilder
 752                 .setContentIntent(PendingIntent.getActivity(
 753                         this, (int) System.currentTimeMillis(), showDetailsIntent, 0
 754                 ))
 755                 .setTicker(getString(R.string.uploader_upload_succeeded_ticker))
 756                 .setContentTitle(getString(R.string.uploader_upload_succeeded_ticker))
 757                 .setContentText(
 758                         String.format(getString(R.string.uploader_upload_succeeded_content_single),
 759                         upload.getFileName())
 760                 );
 761
 762             mNotificationManager.notify(R.string.uploader_upload_in_progress_ticker, mNotificationBuilder.build());  // NOT
 763                                                                                                                      // AN
 764             DbHandler db = new DbHandler(this.getBaseContext());
 765             db.removeIUPendingFile(mCurrentUpload.getOriginalStoragePath());
 766             db.close();
 767
 768         } else {
 769
 770             // / fail -> explicit failure notification
 771             mNotificationManager.cancel(R.string.uploader_upload_in_progress_ticker);
 772             NotificationCompat.Builder errorBuilder = new NotificationCompat.Builder(this);
 773             errorBuilder
 774                 .setSmallIcon(R.drawable.notification_icon)
 775                 .setTicker(getString(R.string.uploader_upload_failed_ticker))
 776                 .setContentTitle(getString(R.string.uploader_upload_failed_ticker))
 777                 .setAutoCancel(true);
 778             String content = null;
 779
 780             boolean needsToUpdateCredentials = (uploadResult.getCode() == ResultCode.UNAUTHORIZED ||
 781                     //(uploadResult.isTemporalRedirection() && uploadResult.isIdPRedirection() &&
 782                     (uploadResult.isIdPRedirection() &&
 783                             mUploadClient.getCredentials() == null));
 784                             //MainApp.getAuthTokenTypeSamlSessionCookie().equals(mUploadClient.getAuthTokenType())));
 785             if (needsToUpdateCredentials) {
 786                 // let the user update credentials with one click
 787                 Intent updateAccountCredentials = new Intent(this, AuthenticatorActivity.class);
 788                 updateAccountCredentials.putExtra(AuthenticatorActivity.EXTRA_ACCOUNT, upload.getAccount());
 789                 updateAccountCredentials.putExtra(AuthenticatorActivity.EXTRA_ENFORCED_UPDATE, true);
 790                 updateAccountCredentials.putExtra(AuthenticatorActivity.EXTRA_ACTION, AuthenticatorActivity.ACTION_UPDATE_TOKEN);
 791                 updateAccountCredentials.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
 792                 updateAccountCredentials.addFlags(Intent.FLAG_ACTIVITY_EXCLUDE_FROM_RECENTS);
 793                 updateAccountCredentials.addFlags(Intent.FLAG_FROM_BACKGROUND);
 794                 errorBuilder.setContentIntent(PendingIntent.getActivity(
 795                     this, (int) System.currentTimeMillis(), updateAccountCredentials, PendingIntent.FLAG_ONE_SHOT
 796                 ));
 797                 content =  String.format(getString(R.string.uploader_upload_failed_content_single), upload.getFileName());
 798                 mUploadClient = null;   // grant that future retries on the same account will get the fresh credentials
 799             } else {
 800                 // TODO put something smart in the contentIntent below
 801
 802                 if (uploadResult.getCode() == ResultCode.LOCAL_STORAGE_FULL
 803                         || uploadResult.getCode() == ResultCode.LOCAL_STORAGE_NOT_COPIED) {
 804                     // TODO we need a class to provide error messages for the users
 805                     // from a RemoteOperationResult and a RemoteOperation
 806                     content = String.format(getString(R.string.error__upload__local_file_not_copied), upload.getFileName(),
 807                             getString(R.string.app_name));
 808                 } else if (uploadResult.getCode() == ResultCode.QUOTA_EXCEEDED) {
 809                     content = getString(R.string.failed_upload_quota_exceeded_text);
 810                 } else {
 811                     content = String
 812                             .format(getString(R.string.uploader_upload_failed_content_single), upload.getFileName());
 813                 }
 814
 815                 // we add only for instant-uploads the InstantUploadActivity and the
 816                 // db entry
 817                 Intent detailUploadIntent = null;
 818                 if (upload.isInstant() && InstantUploadActivity.IS_ENABLED) {
 819                     detailUploadIntent = new Intent(this, InstantUploadActivity.class);
 820                     detailUploadIntent.putExtra(FileUploader.KEY_ACCOUNT, upload.getAccount());
 821                 } else {
 822                     detailUploadIntent = new Intent(this, FailedUploadActivity.class);
 823                     detailUploadIntent.putExtra(FailedUploadActivity.MESSAGE, content);
 824                 }
 825                 errorBuilder
 826                     .setContentIntent(PendingIntent.getActivity(
 827                         this, (int) System.currentTimeMillis(), detailUploadIntent, PendingIntent.FLAG_UPDATE_CURRENT | PendingIntent.FLAG_ONE_SHOT
 828                     ))
 829                     .setContentText(content);
 830
 831                 if (upload.isInstant()) {
 832                     DbHandler db = null;
 833                     try {
 834                         db = new DbHandler(this.getBaseContext());
 835                         String message = uploadResult.getLogMessage() + " errorCode: " + uploadResult.getCode();
 836                         Log_OC.e(TAG, message + " Http-Code: " + uploadResult.getHttpCode());
 837                         if (uploadResult.getCode() == ResultCode.QUOTA_EXCEEDED) {
 838                             message = getString(R.string.failed_upload_quota_exceeded_text);
 839                             if (db.updateFileState(upload.getOriginalStoragePath(), DbHandler.UPLOAD_STATUS_UPLOAD_FAILED,
 840                                     message) == 0) {
 841                                 db.putFileForLater(upload.getOriginalStoragePath(), upload.getAccount().name, message);
 842                             }
 843                         }
 844                     } finally {
 845                         if (db != null) {
 846                             db.close();
 847                         }
 848                     }
 849                 }
 850             }
 851
 852             mNotificationManager.notify(R.string.uploader_upload_failed_ticker, errorBuilder.build());
 853         }
 854
 855     }
 856
 857     /**
 858      * Sends a broadcast in order to the interested activities can update their
 859      * view
 860      *
 861      * @param upload Finished upload operation
 862      * @param uploadResult Result of the upload operation
 863      */
 864     private void sendFinalBroadcast(UploadFileOperation upload, RemoteOperationResult uploadResult) {
 865         Intent end = new Intent(getUploadFinishMessage());
 866         end.putExtra(EXTRA_REMOTE_PATH, upload.getRemotePath()); // real remote
 867                                                                  // path, after
 868                                                                  // possible
 869                                                                  // automatic
 870                                                                  // renaming
 871         if (upload.wasRenamed()) {
 872             end.putExtra(EXTRA_OLD_REMOTE_PATH, upload.getOldFile().getRemotePath());
 873         }
 874         end.putExtra(EXTRA_OLD_FILE_PATH, upload.getOriginalStoragePath());
 875         end.putExtra(ACCOUNT_NAME, upload.getAccount().name);
 876         end.putExtra(EXTRA_UPLOAD_RESULT, uploadResult.isSuccess());
 877         sendStickyBroadcast(end);
 878     }
 879
 880 }