src/com/owncloud/android/operations/UploadFileOperation.java

   1 /* ownCloud Android client application
   2  *   Copyright (C) 2012-2015 ownCloud Inc.
   3  *
   4  *   This program is free software: you can redistribute it and/or modify
   5  *   it under the terms of the GNU General Public License version 2,
   6  *   as published by the Free Software Foundation.
   7  *
   8  *   This program is distributed in the hope that it will be useful,
   9  *   but WITHOUT ANY WARRANTY; without even the implied warranty of
  10  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  11  *   GNU General Public License for more details.
  12  *
  13  *   You should have received a copy of the GNU General Public License
  14  *   along with this program.  If not, see <http://www.gnu.org/licenses/>.
  15  *
  16  */
  17
  18 package com.owncloud.android.operations;
  19
  20 import java.io.File;
  21 import java.io.FileInputStream;
  22 import java.io.FileOutputStream;
  23 import java.io.IOException;
  24 import java.io.InputStream;
  25 import java.io.OutputStream;
  26 import java.util.HashSet;
  27 import java.util.Iterator;
  28 import java.util.Set;
  29 import java.util.concurrent.CancellationException;
  30 import java.util.concurrent.atomic.AtomicBoolean;
  31
  32 import org.apache.commons.httpclient.methods.PutMethod;
  33 import org.apache.commons.httpclient.methods.RequestEntity;
  34
  35 import android.accounts.Account;
  36 import android.content.Context;
  37 import android.net.Uri;
  38
  39 import com.owncloud.android.MainApp;
  40 import com.owncloud.android.datamodel.OCFile;
  41 import com.owncloud.android.files.services.FileUploader;
  42 import com.owncloud.android.lib.common.OwnCloudClient;
  43 import com.owncloud.android.lib.common.network.OnDatatransferProgressListener;
  44 import com.owncloud.android.lib.common.network.ProgressiveDataTransferer;
  45 import com.owncloud.android.lib.common.operations.OperationCancelledException;
  46 import com.owncloud.android.lib.common.operations.RemoteOperation;
  47 import com.owncloud.android.lib.common.operations.RemoteOperationResult;
  48 import com.owncloud.android.lib.common.operations.RemoteOperationResult.ResultCode;
  49 import com.owncloud.android.lib.common.utils.Log_OC;
  50 import com.owncloud.android.lib.resources.files.ChunkedUploadRemoteFileOperation;
  51 import com.owncloud.android.lib.resources.files.ExistenceCheckRemoteOperation;
  52 import com.owncloud.android.lib.resources.files.UploadRemoteFileOperation;
  53 import com.owncloud.android.utils.FileStorageUtils;
  54 import com.owncloud.android.utils.UriUtils;
  55
  56
  57 /**
  58  * Remote operation performing the upload of a file to an ownCloud server
  59  *
  60  * @author David A. Velasco
  61  */
  62 public class UploadFileOperation extends RemoteOperation {
  63
  64     private static final String TAG = UploadFileOperation.class.getSimpleName();
  65
  66     private Account mAccount;
  67     private OCFile mFile;
  68     private OCFile mOldFile;
  69     private String mRemotePath = null;
  70     private boolean mChunked = false;
  71     private boolean mIsInstant = false;
  72     private boolean mRemoteFolderToBeCreated = false;
  73     private boolean mForceOverwrite = false;
  74     private int mLocalBehaviour = FileUploader.LOCAL_BEHAVIOUR_COPY;
  75     private boolean mWasRenamed = false;
  76     private String mOriginalFileName = null;
  77     private String mOriginalStoragePath = null;
  78     PutMethod mPutMethod = null;
  79     private Set<OnDatatransferProgressListener> mDataTransferListeners = new HashSet<OnDatatransferProgressListener>();
  80     private AtomicBoolean mCancellationRequested = new AtomicBoolean(false);
  81     private Context mContext;
  82
  83     private UploadRemoteFileOperation mUploadOperation;
  84
  85     protected RequestEntity mEntity = null;
  86
  87
  88     public UploadFileOperation( Account account,
  89                                 OCFile file,
  90                                 boolean chunked,
  91                                 boolean isInstant,
  92                                 boolean forceOverwrite,
  93                                 int localBehaviour,
  94                                 Context context) {
  95         if (account == null)
  96             throw new IllegalArgumentException("Illegal NULL account in UploadFileOperation creation");
  97         if (file == null)
  98             throw new IllegalArgumentException("Illegal NULL file in UploadFileOperation creation");
  99         if (file.getStoragePath() == null || file.getStoragePath().length() <= 0) {
 100             throw new IllegalArgumentException(
 101                     "Illegal file in UploadFileOperation; storage path invalid: "
 102                             + file.getStoragePath());
 103         }
 104
 105         mAccount = account;
 106         mFile = file;
 107         mRemotePath = file.getRemotePath();
 108         mChunked = chunked;
 109         mIsInstant = isInstant;
 110         mForceOverwrite = forceOverwrite;
 111         mLocalBehaviour = localBehaviour;
 112         mOriginalStoragePath = mFile.getStoragePath();
 113         mOriginalFileName = mFile.getFileName();
 114         mContext = context;
 115     }
 116
 117     public Account getAccount() {
 118         return mAccount;
 119     }
 120
 121     public String getFileName() {
 122         return mOriginalFileName;
 123     }
 124
 125     public OCFile getFile() {
 126         return mFile;
 127     }
 128
 129     public OCFile getOldFile() {
 130         return mOldFile;
 131     }
 132
 133     public String getOriginalStoragePath() {
 134         return mOriginalStoragePath;
 135     }
 136
 137     public String getStoragePath() {
 138         return mFile.getStoragePath();
 139     }
 140
 141     public String getRemotePath() {
 142         return mFile.getRemotePath();
 143     }
 144
 145     public String getMimeType() {
 146         return mFile.getMimetype();
 147     }
 148
 149     public boolean isInstant() {
 150         return mIsInstant;
 151     }
 152
 153     public boolean isRemoteFolderToBeCreated() {
 154         return mRemoteFolderToBeCreated;
 155     }
 156
 157     public void setRemoteFolderToBeCreated() {
 158         mRemoteFolderToBeCreated = true;
 159     }
 160
 161     public boolean getForceOverwrite() {
 162         return mForceOverwrite;
 163     }
 164
 165     public boolean wasRenamed() {
 166         return mWasRenamed;
 167     }
 168
 169     public Set<OnDatatransferProgressListener> getDataTransferListeners() {
 170         return mDataTransferListeners;
 171     }
 172
 173     public void addDatatransferProgressListener (OnDatatransferProgressListener listener) {
 174         synchronized (mDataTransferListeners) {
 175             mDataTransferListeners.add(listener);
 176         }
 177         if (mEntity != null) {
 178             ((ProgressiveDataTransferer)mEntity).addDatatransferProgressListener(listener);
 179         }
 180     }
 181
 182     public void removeDatatransferProgressListener(OnDatatransferProgressListener listener) {
 183         synchronized (mDataTransferListeners) {
 184             mDataTransferListeners.remove(listener);
 185         }
 186         if (mEntity != null) {
 187             ((ProgressiveDataTransferer)mEntity).removeDatatransferProgressListener(listener);
 188         }
 189     }
 190
 191     @Override
 192     protected RemoteOperationResult run(OwnCloudClient client) {
 193         RemoteOperationResult result = null;
 194         boolean localCopyPassed = false, nameCheckPassed = false;
 195         File temporalFile = null, originalFile = new File(mOriginalStoragePath), expectedFile = null;
 196         try {
 197             // / rename the file to upload, if necessary
 198             if (!mForceOverwrite) {
 199                 String remotePath = getAvailableRemotePath(client, mRemotePath);
 200                 mWasRenamed = !remotePath.equals(mRemotePath);
 201                 if (mWasRenamed) {
 202                     createNewOCFile(remotePath);
 203                 }
 204             }
 205             nameCheckPassed = true;
 206
 207             String expectedPath = FileStorageUtils.getDefaultSavePathFor(mAccount.name, mFile); // /
 208                                                                                                 // not
 209                                                                                                 // before
 210                                                                                                 // getAvailableRemotePath()
 211                                                                                                 // !!!
 212             expectedFile = new File(expectedPath);
 213
 214             // check location of local file; if not the expected, copy to a
 215             // temporal file before upload (if COPY is the expected behaviour)
 216             if (!mOriginalStoragePath.equals(expectedPath) &&
 217                     mLocalBehaviour == FileUploader.LOCAL_BEHAVIOUR_COPY) {
 218
 219                 if (FileStorageUtils.getUsableSpace(mAccount.name) < originalFile.length()) {
 220                     result = new RemoteOperationResult(ResultCode.LOCAL_STORAGE_FULL);
 221                     return result; // error condition when the file should be
 222                                    // copied
 223
 224                 } else {
 225
 226                     String temporalPath = FileStorageUtils.getTemporalPath(mAccount.name) +
 227                             mFile.getRemotePath();
 228                     mFile.setStoragePath(temporalPath);
 229                     temporalFile = new File(temporalPath);
 230
 231                     File temporalParent = temporalFile.getParentFile();
 232                     temporalParent.mkdirs();
 233                     if (!temporalParent.isDirectory()) {
 234                         throw new IOException("Unexpected error: parent directory could not be created");
 235                     }
 236                     temporalFile.createNewFile();
 237                     if (!temporalFile.isFile()) {
 238                         throw new IOException("Unexpected error: target file could not be created");
 239                     }
 240
 241                     InputStream in = null;
 242                     OutputStream out = null;
 243
 244                     try {
 245
 246                         // In case document provider schema as 'content://'
 247                         if (mOriginalStoragePath.startsWith(UriUtils.URI_CONTENT_SCHEME)) {
 248
 249                             Uri uri = Uri.parse(mOriginalStoragePath);
 250
 251                             in = MainApp.getAppContext().getContentResolver().openInputStream(uri);
 252                             out = new FileOutputStream(temporalFile);
 253
 254                             int nRead;
 255                             byte[] data = new byte[16384];
 256
 257                             while (!mCancellationRequested.get() &&
 258                                     (nRead = in.read(data, 0, data.length)) != -1) {
 259                                 out.write(data, 0, nRead);
 260                             }
 261
 262                             out.flush();
 263
 264                         } else {
 265                             if (!mOriginalStoragePath.equals(temporalPath)) { // preventing
 266                                                                           // weird
 267                                                                           // but
 268                                                                           // possible
 269                                                                           // situation
 270
 271                                 in = new FileInputStream(originalFile);
 272                                 out = new FileOutputStream(temporalFile);
 273                                 byte[] buf = new byte[1024];
 274                                 int len;
 275                                 while (!mCancellationRequested.get() && (len = in.read(buf)) > 0) {
 276                                     out.write(buf, 0, len);
 277                                 }
 278                             }
 279                         }
 280
 281                     } catch (Exception e) {
 282                         result = new RemoteOperationResult(ResultCode.LOCAL_STORAGE_NOT_COPIED);
 283                         return result;
 284
 285                     } finally {
 286                         try {
 287                             if (in != null)
 288                                 in.close();
 289                         } catch (Exception e) {
 290                             Log_OC.d(TAG, "Weird exception while closing input stream for " +
 291                                     mOriginalStoragePath + " (ignoring)", e);
 292                         }
 293                         try {
 294                             if (out != null)
 295                                 out.close();
 296                         } catch (Exception e) {
 297                             Log_OC.d(TAG, "Weird exception while closing output stream for " +
 298                                     expectedPath + " (ignoring)", e);
 299                         }
 300                     }
 301                 }
 302             }
 303             localCopyPassed = true;
 304
 305             /// perform the upload
 306             if ( mChunked &&
 307                     (new File(mFile.getStoragePath())).length() >
 308                             ChunkedUploadRemoteFileOperation.CHUNK_SIZE ) {
 309                 mUploadOperation = new ChunkedUploadRemoteFileOperation(mFile.getStoragePath(),
 310                         mFile.getRemotePath(), mFile.getMimetype());
 311             } else {
 312                 mUploadOperation = new UploadRemoteFileOperation(mFile.getStoragePath(),
 313                         mFile.getRemotePath(), mFile.getMimetype());
 314             }
 315             Iterator <OnDatatransferProgressListener> listener = mDataTransferListeners.iterator();
 316             while (listener.hasNext()) {
 317                 mUploadOperation.addDatatransferProgressListener(listener.next());
 318             }
 319             if (!mCancellationRequested.get()) {
 320                 result = mUploadOperation.execute(client);
 321             }
 322             /// move local temporal file or original file to its corresponding
 323             // location in the ownCloud local folder
 324             if (result.isSuccess()) {
 325                 if (mLocalBehaviour == FileUploader.LOCAL_BEHAVIOUR_FORGET) {
 326                     mFile.setStoragePath(null);
 327
 328                 } else {
 329                     mFile.setStoragePath(expectedPath);
 330                     File fileToMove = null;
 331                     if (temporalFile != null) { // FileUploader.LOCAL_BEHAVIOUR_COPY
 332                                                 // ; see where temporalFile was
 333                                                 // set
 334                         fileToMove = temporalFile;
 335                     } else { // FileUploader.LOCAL_BEHAVIOUR_MOVE
 336                         fileToMove = originalFile;
 337                     }
 338                     if (!expectedFile.equals(fileToMove)) {
 339                         File expectedFolder = expectedFile.getParentFile();
 340                         expectedFolder.mkdirs();
 341                         if (!expectedFolder.isDirectory() || !fileToMove.renameTo(expectedFile)) {
 342                             mFile.setStoragePath(null); // forget the local file
 343                             // by now, treat this as a success; the file was
 344                             // uploaded; the user won't like that the local file
 345                             // is not linked, but this should be a very rare
 346                             // fail;
 347                             // the best option could be show a warning message
 348                             // (but not a fail)
 349                             // result = new
 350                             // RemoteOperationResult(ResultCode.LOCAL_STORAGE_NOT_MOVED);
 351                             // return result;
 352                         }
 353                     }
 354                 }
 355             }
 356
 357         } catch (Exception e) {
 358             // TODO something cleaner with cancellations
 359             if (mCancellationRequested.get()) {
 360                 mUploadOperation.cancel();
 361                 result = new RemoteOperationResult(new OperationCancelledException());
 362             } else {
 363                 result = new RemoteOperationResult(e);
 364             }
 365
 366         } finally {
 367             if (temporalFile != null && !originalFile.equals(temporalFile)) {
 368                 temporalFile.delete();
 369             }
 370             if (result.isSuccess()) {
 371                 Log_OC.i(TAG, "Upload of " + mOriginalStoragePath + " to " + mRemotePath + ": " +
 372                         result.getLogMessage());
 373             } else {
 374                 if (result.getException() != null) {
 375                     String complement = "";
 376                     if (!nameCheckPassed) {
 377                         complement = " (while checking file existence in server)";
 378                     } else if (!localCopyPassed) {
 379                         complement = " (while copying local file to " +
 380                                 FileStorageUtils.getSavePath(mAccount.name)
 381                                 + ")";
 382                     }
 383                     Log_OC.e(TAG, "Upload of " + mOriginalStoragePath + " to " + mRemotePath +
 384                             ": " + result.getLogMessage() + complement, result.getException());
 385                 } else {
 386                     Log_OC.e(TAG, "Upload of " + mOriginalStoragePath + " to " + mRemotePath +
 387                             ": " + result.getLogMessage());
 388                 }
 389             }
 390         }
 391
 392         return result;
 393     }
 394
 395     private void createNewOCFile(String newRemotePath) {
 396         // a new OCFile instance must be created for a new remote path
 397         OCFile newFile = new OCFile(newRemotePath);
 398         newFile.setCreationTimestamp(mFile.getCreationTimestamp());
 399         newFile.setFileLength(mFile.getFileLength());
 400         newFile.setMimetype(mFile.getMimetype());
 401         newFile.setModificationTimestamp(mFile.getModificationTimestamp());
 402         newFile.setModificationTimestampAtLastSyncForData(
 403                 mFile.getModificationTimestampAtLastSyncForData());
 404         // newFile.setEtag(mFile.getEtag())
 405         newFile.setKeepInSync(mFile.keepInSync());
 406         newFile.setLastSyncDateForProperties(mFile.getLastSyncDateForProperties());
 407         newFile.setLastSyncDateForData(mFile.getLastSyncDateForData());
 408         newFile.setStoragePath(mFile.getStoragePath());
 409         newFile.setParentId(mFile.getParentId());
 410         mOldFile = mFile;
 411         mFile = newFile;
 412     }
 413
 414     /**
 415      * Checks if remotePath does not exist in the server and returns it, or adds
 416      * a suffix to it in order to avoid the server file is overwritten.
 417      *
 418      * @param wc
 419      * @param remotePath
 420      * @return
 421      */
 422     private String getAvailableRemotePath(OwnCloudClient wc, String remotePath) throws Exception {
 423         boolean check = existsFile(wc, remotePath);
 424         if (!check) {
 425             return remotePath;
 426         }
 427
 428         int pos = remotePath.lastIndexOf(".");
 429         String suffix = "";
 430         String extension = "";
 431         if (pos >= 0) {
 432             extension = remotePath.substring(pos + 1);
 433             remotePath = remotePath.substring(0, pos);
 434         }
 435         int count = 2;
 436         do {
 437             suffix = " (" + count + ")";
 438             if (pos >= 0) {
 439                 check = existsFile(wc, remotePath + suffix + "." + extension);
 440             }
 441             else {
 442                 check = existsFile(wc, remotePath + suffix);
 443             }
 444             count++;
 445         } while (check);
 446
 447         if (pos >= 0) {
 448             return remotePath + suffix + "." + extension;
 449         } else {
 450             return remotePath + suffix;
 451         }
 452     }
 453
 454     private boolean existsFile(OwnCloudClient client, String remotePath){
 455         ExistenceCheckRemoteOperation existsOperation =
 456                 new ExistenceCheckRemoteOperation(remotePath, mContext, false);
 457         RemoteOperationResult result = existsOperation.execute(client);
 458         return result.isSuccess();
 459     }
 460
 461     public void cancel() {
 462         mCancellationRequested = new AtomicBoolean(true);
 463         if (mUploadOperation != null) {
 464             mUploadOperation.cancel();
 465         }
 466     }
 467 }