src/com/owncloud/android/services/OperationsService.java

   1 /* ownCloud Android client application
   2  *   Copyright (C) 2012-2014 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.services;
  19
  20 import java.io.IOException;
  21 import java.util.Iterator;
  22 import java.util.concurrent.ConcurrentHashMap;
  23 import java.util.concurrent.ConcurrentLinkedQueue;
  24 import java.util.concurrent.ConcurrentMap;
  25
  26 import com.owncloud.android.MainApp;
  27 import com.owncloud.android.R;
  28 import com.owncloud.android.datamodel.FileDataStorageManager;
  29 import com.owncloud.android.datamodel.OCFile;
  30 import com.owncloud.android.lib.common.OwnCloudAccount;
  31 import com.owncloud.android.lib.common.OwnCloudClient;
  32 import com.owncloud.android.lib.common.OwnCloudClientManagerFactory;
  33 import com.owncloud.android.lib.common.OwnCloudCredentials;
  34 import com.owncloud.android.lib.common.OwnCloudCredentialsFactory;
  35 import com.owncloud.android.lib.common.accounts.AccountUtils.AccountNotFoundException;
  36 import com.owncloud.android.lib.common.operations.OnRemoteOperationListener;
  37 import com.owncloud.android.lib.common.operations.RemoteOperation;
  38 import com.owncloud.android.lib.common.operations.RemoteOperationResult;
  39 import com.owncloud.android.lib.common.utils.Log_OC;
  40 import com.owncloud.android.lib.resources.files.ExistenceCheckRemoteOperation;
  41 import com.owncloud.android.lib.resources.shares.ShareType;
  42 import com.owncloud.android.lib.resources.users.GetRemoteUserNameOperation;
  43 import com.owncloud.android.operations.common.SyncOperation;
  44 import com.owncloud.android.operations.CreateFolderOperation;
  45 import com.owncloud.android.operations.CreateShareOperation;
  46 import com.owncloud.android.operations.GetServerInfoOperation;
  47 import com.owncloud.android.operations.MoveFileOperation;
  48 import com.owncloud.android.operations.OAuth2GetAccessToken;
  49 import com.owncloud.android.operations.RemoveFileOperation;
  50 import com.owncloud.android.operations.RenameFileOperation;
  51 import com.owncloud.android.operations.SynchronizeFileOperation;
  52 import com.owncloud.android.operations.SynchronizeFolderOperation;
  53 import com.owncloud.android.operations.UnshareLinkOperation;
  54
  55 import android.accounts.Account;
  56 import android.accounts.AccountsException;
  57 import android.accounts.AuthenticatorException;
  58 import android.accounts.OperationCanceledException;
  59 import android.app.Service;
  60 import android.content.Intent;
  61 import android.net.Uri;
  62 import android.os.Binder;
  63 import android.os.Handler;
  64 import android.os.HandlerThread;
  65 import android.os.IBinder;
  66 import android.os.Looper;
  67 import android.os.Message;
  68 import android.os.Process;
  69 import android.util.Pair;
  70
  71 public class OperationsService extends Service {
  72
  73     private static final String TAG = OperationsService.class.getSimpleName();
  74
  75     public static final String EXTRA_ACCOUNT = "ACCOUNT";
  76     public static final String EXTRA_SERVER_URL = "SERVER_URL";
  77     public static final String EXTRA_OAUTH2_QUERY_PARAMETERS = "OAUTH2_QUERY_PARAMETERS";
  78     public static final String EXTRA_REMOTE_PATH = "REMOTE_PATH";
  79     public static final String EXTRA_SEND_INTENT = "SEND_INTENT";
  80     public static final String EXTRA_NEWNAME = "NEWNAME";
  81     public static final String EXTRA_REMOVE_ONLY_LOCAL = "REMOVE_LOCAL_COPY";
  82     public static final String EXTRA_CREATE_FULL_PATH = "CREATE_FULL_PATH";
  83     public static final String EXTRA_SYNC_FILE_CONTENTS = "SYNC_FILE_CONTENTS";
  84     public static final String EXTRA_RESULT = "RESULT";
  85     public static final String EXTRA_NEW_PARENT_PATH = "NEW_PARENT_PATH";
  86
  87     // TODO review if ALL OF THEM are necessary
  88     public static final String EXTRA_SUCCESS_IF_ABSENT = "SUCCESS_IF_ABSENT";
  89     public static final String EXTRA_USERNAME = "USERNAME";
  90     public static final String EXTRA_PASSWORD = "PASSWORD";
  91     public static final String EXTRA_AUTH_TOKEN = "AUTH_TOKEN";
  92     public static final String EXTRA_COOKIE = "COOKIE";
  93
  94     public static final String ACTION_CREATE_SHARE = "CREATE_SHARE";
  95     public static final String ACTION_UNSHARE = "UNSHARE";
  96     public static final String ACTION_GET_SERVER_INFO = "GET_SERVER_INFO";
  97     public static final String ACTION_OAUTH2_GET_ACCESS_TOKEN = "OAUTH2_GET_ACCESS_TOKEN";
  98     public static final String ACTION_EXISTENCE_CHECK = "EXISTENCE_CHECK";
  99     public static final String ACTION_GET_USER_NAME = "GET_USER_NAME";
 100     public static final String ACTION_RENAME = "RENAME";
 101     public static final String ACTION_REMOVE = "REMOVE";
 102     public static final String ACTION_CREATE_FOLDER = "CREATE_FOLDER";
 103     public static final String ACTION_SYNC_FILE = "SYNC_FILE";
 104     public static final String ACTION_SYNC_FOLDER = "SYNC_FOLDER";  // for the moment, just to download
 105     public static final String ACTION_CANCEL_SYNC_FOLDER = "CANCEL_SYNC_FOLDER";  // for the moment, just to download
 106     public static final String ACTION_MOVE_FILE = "MOVE_FILE";
 107
 108     public static final String ACTION_OPERATION_ADDED = OperationsService.class.getName() + ".OPERATION_ADDED";
 109     public static final String ACTION_OPERATION_FINISHED = OperationsService.class.getName() + ".OPERATION_FINISHED";
 110
 111
 112     private ConcurrentMap<Integer, Pair<RemoteOperation, RemoteOperationResult>>
 113         mUndispatchedFinishedOperations =
 114             new ConcurrentHashMap<Integer, Pair<RemoteOperation, RemoteOperationResult>>();
 115
 116     private static class Target {
 117         public Uri mServerUrl = null;
 118         public Account mAccount = null;
 119         public String mUsername = null;
 120         public String mPassword = null;
 121         public String mAuthToken = null;
 122         public String mCookie = null;
 123
 124         public Target(Account account, Uri serverUrl, String username, String password, String authToken,
 125                 String cookie) {
 126             mAccount = account;
 127             mServerUrl = serverUrl;
 128             mUsername = username;
 129             mPassword = password;
 130             mAuthToken = authToken;
 131             mCookie = cookie;
 132         }
 133     }
 134
 135     private ServiceHandler mOperationsHandler;
 136     private OperationsServiceBinder mOperationsBinder;
 137
 138     private SyncFolderHandler mSyncFolderHandler;
 139
 140     /**
 141      * Service initialization
 142      */
 143     @Override
 144     public void onCreate() {
 145         super.onCreate();
 146         /// First worker thread for most of operations
 147         HandlerThread thread = new HandlerThread("Operations thread", Process.THREAD_PRIORITY_BACKGROUND);
 148         thread.start();
 149         mOperationsHandler = new ServiceHandler(thread.getLooper(), this);
 150         mOperationsBinder = new OperationsServiceBinder(mOperationsHandler);
 151
 152         /// Separated worker thread for download of folders (WIP)
 153         thread = new HandlerThread("Syncfolder thread", Process.THREAD_PRIORITY_BACKGROUND);
 154         thread.start();
 155         mSyncFolderHandler = new SyncFolderHandler(thread.getLooper(), this);
 156     }
 157
 158
 159     /**
 160      * Entry point to add a new operation to the queue of operations.
 161      *
 162      * New operations are added calling to startService(), resulting in a call to this method.
 163      * This ensures the service will keep on working although the caller activity goes away.
 164      */
 165     @Override
 166     public int onStartCommand(Intent intent, int flags, int startId) {
 167         // WIP: for the moment, only SYNC_FOLDER and CANCEL_SYNC_FOLDER is expected here;
 168         // the rest of the operations are requested through the Binder
 169         if (ACTION_SYNC_FOLDER.equals(intent.getAction())) {
 170             if (!intent.hasExtra(EXTRA_ACCOUNT) || !intent.hasExtra(EXTRA_REMOTE_PATH)) {
 171                 Log_OC.e(TAG, "Not enough information provided in intent");
 172                 return START_NOT_STICKY;
 173             }
 174             Account account = intent.getParcelableExtra(EXTRA_ACCOUNT);
 175             OCFile file = intent.getParcelableExtra(EXTRA_REMOTE_PATH);
 176             Pair<Account, OCFile> itemSyncKey =  new Pair<Account , OCFile>(account, file);
 177
 178             Pair<Target, RemoteOperation> itemToQueue = newOperation(intent);
 179             if (itemToQueue != null) {
 180                 mSyncFolderHandler.add(account, file, (SynchronizeFolderOperation)itemToQueue.second);
 181                 Message msg = mSyncFolderHandler.obtainMessage();
 182                 msg.arg1 = startId;
 183                 msg.obj = itemSyncKey;
 184                 mSyncFolderHandler.sendMessage(msg);
 185             }
 186         } else if (ACTION_CANCEL_SYNC_FOLDER.equals(intent.getAction())) {
 187             if (!intent.hasExtra(EXTRA_ACCOUNT) || !intent.hasExtra(EXTRA_REMOTE_PATH)) {
 188                 Log_OC.e(TAG, "Not enough information provided in intent");
 189                 return START_NOT_STICKY;
 190             }
 191             Account account = intent.getParcelableExtra(EXTRA_ACCOUNT);
 192             OCFile file = intent.getParcelableExtra(EXTRA_REMOTE_PATH);
 193
 194             // Cancel operation
 195             mSyncFolderHandler.cancel(account,file);
 196         } else {
 197             Message msg = mOperationsHandler.obtainMessage();
 198             msg.arg1 = startId;
 199             mOperationsHandler.sendMessage(msg);
 200         }
 201
 202         return START_NOT_STICKY;
 203     }
 204
 205     @Override
 206     public void onDestroy() {
 207         //Log_OC.wtf(TAG, "onDestroy init" );
 208         // Saving cookies
 209         try {
 210             OwnCloudClientManagerFactory.getDefaultSingleton().
 211                 saveAllClients(this, MainApp.getAccountType());
 212
 213             // TODO - get rid of these exceptions
 214         } catch (AccountNotFoundException e) {
 215             e.printStackTrace();
 216         } catch (AuthenticatorException e) {
 217             e.printStackTrace();
 218         } catch (OperationCanceledException e) {
 219             e.printStackTrace();
 220         } catch (IOException e) {
 221             e.printStackTrace();
 222         }
 223
 224         //Log_OC.wtf(TAG, "Clear mUndispatchedFinisiedOperations" );
 225         mUndispatchedFinishedOperations.clear();
 226
 227         //Log_OC.wtf(TAG, "onDestroy end" );
 228         super.onDestroy();
 229     }
 230
 231     /**
 232      * Provides a binder object that clients can use to perform actions on the queue of operations,
 233      * except the addition of new operations.
 234      */
 235     @Override
 236     public IBinder onBind(Intent intent) {
 237         //Log_OC.wtf(TAG, "onBind" );
 238         return mOperationsBinder;
 239     }
 240
 241
 242     /**
 243      * Called when ALL the bound clients were unbound.
 244      */
 245     @Override
 246     public boolean onUnbind(Intent intent) {
 247         ((OperationsServiceBinder)mOperationsBinder).clearListeners();
 248         return false;   // not accepting rebinding (default behaviour)
 249     }
 250
 251
 252     /**
 253      *  Binder to let client components to perform actions on the queue of operations.
 254      *
 255      *  It provides by itself the available operations.
 256      */
 257     public class OperationsServiceBinder extends Binder /* implements OnRemoteOperationListener */ {
 258
 259         /**
 260          * Map of listeners that will be reported about the end of operations from a {@link OperationsServiceBinder} instance
 261          */
 262         private ConcurrentMap<OnRemoteOperationListener, Handler> mBoundListeners =
 263                 new ConcurrentHashMap<OnRemoteOperationListener, Handler>();
 264
 265         private ServiceHandler mServiceHandler = null;
 266
 267
 268         public OperationsServiceBinder(ServiceHandler serviceHandler) {
 269             mServiceHandler = serviceHandler;
 270         }
 271
 272
 273         /**
 274          * Cancels an operation
 275          *
 276          * TODO
 277          */
 278         public void cancel() {
 279             // TODO
 280         }
 281
 282
 283         public void clearListeners() {
 284
 285             mBoundListeners.clear();
 286         }
 287
 288
 289         /**
 290          * Adds a listener interested in being reported about the end of operations.
 291          *
 292          * @param listener          Object to notify about the end of operations.
 293          * @param callbackHandler   {@link Handler} to access the listener without breaking Android threading protection.
 294          */
 295         public void addOperationListener (OnRemoteOperationListener listener, Handler callbackHandler) {
 296             synchronized (mBoundListeners) {
 297                 mBoundListeners.put(listener, callbackHandler);
 298             }
 299         }
 300
 301
 302         /**
 303          * Removes a listener from the list of objects interested in the being reported about the end of operations.
 304          *
 305          * @param listener      Object to notify about progress of transfer.
 306          */
 307         public void removeOperationListener (OnRemoteOperationListener listener) {
 308             synchronized (mBoundListeners) {
 309                 mBoundListeners.remove(listener);
 310             }
 311         }
 312
 313
 314         /**
 315          * TODO - IMPORTANT: update implementation when more operations are moved into the service
 316          *
 317          * @return  'True' when an operation that enforces the user to wait for completion is in process.
 318          */
 319         public boolean isPerformingBlockingOperation() {
 320             return (!mServiceHandler.mPendingOperations.isEmpty());
 321         }
 322
 323
 324         /**
 325          * Creates and adds to the queue a new operation, as described by operationIntent.
 326          *
 327          * Calls startService to make the operation is processed by the ServiceHandler.
 328          *
 329          * @param operationIntent       Intent describing a new operation to queue and execute.
 330          * @return                      Identifier of the operation created, or null if failed.
 331          */
 332         public long queueNewOperation(Intent operationIntent) {
 333             Pair<Target, RemoteOperation> itemToQueue = newOperation(operationIntent);
 334             if (itemToQueue != null) {
 335                 mServiceHandler.mPendingOperations.add(itemToQueue);
 336                 startService(new Intent(OperationsService.this, OperationsService.class));
 337                 return itemToQueue.second.hashCode();
 338
 339             } else {
 340                 return Long.MAX_VALUE;
 341             }
 342         }
 343
 344
 345         public boolean dispatchResultIfFinished(int operationId, OnRemoteOperationListener listener) {
 346             Pair<RemoteOperation, RemoteOperationResult> undispatched =
 347                     mUndispatchedFinishedOperations.remove(operationId);
 348             if (undispatched != null) {
 349                 listener.onRemoteOperationFinish(undispatched.first, undispatched.second);
 350                 return true;
 351                 //Log_OC.wtf(TAG, "Sending callback later");
 352             } else {
 353                 if (!mServiceHandler.mPendingOperations.isEmpty()) {
 354                     return true;
 355                 } else {
 356                     return false;
 357                 }
 358                 //Log_OC.wtf(TAG, "Not finished yet");
 359             }
 360         }
 361
 362     }
 363
 364
 365     /**
 366      * SyncFolder worker. Performs the pending operations in the order they were requested.
 367      *
 368      * Created with the Looper of a new thread, started in {@link OperationsService#onCreate()}.
 369      */
 370     private static class SyncFolderHandler extends Handler {
 371
 372         // don't make it a final class, and don't remove the static ; lint will warn about a possible memory leak
 373
 374         OperationsService mService;
 375
 376         private ConcurrentMap<String,SynchronizeFolderOperation> mPendingOperations =
 377                 new ConcurrentHashMap<String,SynchronizeFolderOperation>();
 378         private RemoteOperation mCurrentOperation = null;
 379         private OwnCloudClient mOwnCloudClient = null;
 380         private FileDataStorageManager mStorageManager;
 381         private SynchronizeFolderOperation mCurrentSyncOperation;
 382
 383
 384         public SyncFolderHandler(Looper looper, OperationsService service) {
 385             super(looper);
 386             if (service == null) {
 387                 throw new IllegalArgumentException("Received invalid NULL in parameter 'service'");
 388             }
 389             mService = service;
 390         }
 391
 392         @Override
 393         public void handleMessage(Message msg) {
 394             Pair<Account, OCFile> itemSyncKey = (Pair<Account, OCFile>) msg.obj;
 395             nextOperation(itemSyncKey.first,itemSyncKey.second);
 396             mService.stopSelf(msg.arg1);
 397         }
 398
 399
 400         /**
 401          * Performs the next operation in the queue
 402          */
 403         private void nextOperation(Account account, OCFile file) {
 404
 405             String syncKey = buildRemoteName(account,file);
 406
 407             synchronized(mPendingOperations) {
 408                 mCurrentSyncOperation = mPendingOperations.get(syncKey);
 409             }
 410
 411             if (mCurrentSyncOperation != null) {
 412
 413                 RemoteOperationResult operationResult = null;
 414                 try {
 415
 416                     OwnCloudAccount ocAccount = new OwnCloudAccount(account, mService);
 417                     mOwnCloudClient = OwnCloudClientManagerFactory.getDefaultSingleton().
 418                             getClientFor(ocAccount, mService);
 419                     mStorageManager = new FileDataStorageManager(
 420                             account,
 421                             mService.getContentResolver()
 422                     );
 423
 424
 425                     /// perform the operation
 426                     if (mCurrentOperation instanceof SyncOperation) {
 427                         operationResult = ((SyncOperation)mCurrentOperation).execute(mOwnCloudClient, mStorageManager);
 428                     } else {
 429                         operationResult = mCurrentOperation.execute(mOwnCloudClient);
 430                     }
 431
 432                 } catch (AccountsException e) {
 433                     Log_OC.e(TAG, "Error while trying to get autorization", e);
 434                     operationResult = new RemoteOperationResult(e);
 435                 } catch (IOException e) {
 436                     Log_OC.e(TAG, "Error while trying to get autorization", e);
 437                     operationResult = new RemoteOperationResult(e);
 438
 439                 } finally {
 440                     synchronized(mPendingOperations) {
 441                         mPendingOperations.remove(syncKey);
 442                     }
 443                 }
 444
 445                 /// TODO notify operation result if needed
 446
 447             }
 448         }
 449
 450         public void add(Account account, OCFile file, SynchronizeFolderOperation syncFolderOperation){
 451             String syncKey = buildRemoteName(account,file);
 452             mPendingOperations.putIfAbsent(syncKey,syncFolderOperation);
 453         }
 454
 455         /**
 456          * Cancels a pending or current sync operation.
 457          *
 458          * @param account       Owncloud account where the remote file is stored.
 459          * @param file          A file in the queue of pending downloads
 460          */
 461         public void cancel(Account account, OCFile file) {
 462             SynchronizeFolderOperation syncOperation = null;
 463             synchronized (mPendingOperations) {
 464                 syncOperation = mPendingOperations.remove(buildRemoteName(account, file));
 465             }
 466             if (syncOperation != null) {
 467                 syncOperation.cancel();
 468             }
 469         }
 470
 471         /**
 472          * Builds a key from the account and file to download
 473          *
 474          * @param account   Account where the file to download is stored
 475          * @param file      File to download
 476          */
 477         private String buildRemoteName(Account account, OCFile file) {
 478             return account.name + file.getRemotePath();
 479         }
 480     }
 481
 482
 483     /**
 484      * Operations worker. Performs the pending operations in the order they were requested.
 485      *
 486      * Created with the Looper of a new thread, started in {@link OperationsService#onCreate()}.
 487      */
 488     private static class ServiceHandler extends Handler {
 489         // don't make it a final class, and don't remove the static ; lint will warn about a possible memory leak
 490
 491
 492         OperationsService mService;
 493
 494
 495         private ConcurrentLinkedQueue<Pair<Target, RemoteOperation>> mPendingOperations =
 496                 new ConcurrentLinkedQueue<Pair<Target, RemoteOperation>>();
 497         private RemoteOperation mCurrentOperation = null;
 498         private Target mLastTarget = null;
 499         private OwnCloudClient mOwnCloudClient = null;
 500         private FileDataStorageManager mStorageManager;
 501
 502
 503         public ServiceHandler(Looper looper, OperationsService service) {
 504             super(looper);
 505             if (service == null) {
 506                 throw new IllegalArgumentException("Received invalid NULL in parameter 'service'");
 507             }
 508             mService = service;
 509         }
 510
 511         @Override
 512         public void handleMessage(Message msg) {
 513             nextOperation();
 514             mService.stopSelf(msg.arg1);
 515         }
 516
 517
 518         /**
 519          * Performs the next operation in the queue
 520          */
 521         private void nextOperation() {
 522
 523             //Log_OC.wtf(TAG, "nextOperation init" );
 524
 525             Pair<Target, RemoteOperation> next = null;
 526             synchronized(mPendingOperations) {
 527                 next = mPendingOperations.peek();
 528             }
 529
 530             if (next != null) {
 531
 532                 mCurrentOperation = next.second;
 533                 RemoteOperationResult result = null;
 534                 try {
 535                     /// prepare client object to send the request to the ownCloud server
 536                     if (mLastTarget == null || !mLastTarget.equals(next.first)) {
 537                         mLastTarget = next.first;
 538                         if (mLastTarget.mAccount != null) {
 539                             OwnCloudAccount ocAccount = new OwnCloudAccount(mLastTarget.mAccount, mService);
 540                             mOwnCloudClient = OwnCloudClientManagerFactory.getDefaultSingleton().
 541                                     getClientFor(ocAccount, mService);
 542                             mStorageManager = new FileDataStorageManager(
 543                                     mLastTarget.mAccount,
 544                                     mService.getContentResolver()
 545                             );
 546                         } else {
 547                             OwnCloudCredentials credentials = null;
 548                             if (mLastTarget.mUsername != null &&
 549                                     mLastTarget.mUsername.length() > 0) {
 550                                 credentials = OwnCloudCredentialsFactory.newBasicCredentials(
 551                                         mLastTarget.mUsername,
 552                                         mLastTarget.mPassword);  // basic
 553
 554                             } else if (mLastTarget.mAuthToken != null &&
 555                                     mLastTarget.mAuthToken.length() > 0) {
 556                                 credentials = OwnCloudCredentialsFactory.newBearerCredentials(
 557                                         mLastTarget.mAuthToken);  // bearer token
 558
 559                             } else if (mLastTarget.mCookie != null &&
 560                                     mLastTarget.mCookie.length() > 0) {
 561                                 credentials = OwnCloudCredentialsFactory.newSamlSsoCredentials(
 562                                         mLastTarget.mCookie); // SAML SSO
 563                             }
 564                             OwnCloudAccount ocAccount = new OwnCloudAccount(
 565                                     mLastTarget.mServerUrl, credentials);
 566                             mOwnCloudClient = OwnCloudClientManagerFactory.getDefaultSingleton().
 567                                     getClientFor(ocAccount, mService);
 568                             mStorageManager = null;
 569                         }
 570                     }
 571
 572                     /// perform the operation
 573                     if (mCurrentOperation instanceof SyncOperation) {
 574                         result = ((SyncOperation)mCurrentOperation).execute(mOwnCloudClient, mStorageManager);
 575                     } else {
 576                         result = mCurrentOperation.execute(mOwnCloudClient);
 577                     }
 578
 579                 } catch (AccountsException e) {
 580                     if (mLastTarget.mAccount == null) {
 581                         Log_OC.e(TAG, "Error while trying to get authorization for a NULL account", e);
 582                     } else {
 583                         Log_OC.e(TAG, "Error while trying to get authorization for " + mLastTarget.mAccount.name, e);
 584                     }
 585                     result = new RemoteOperationResult(e);
 586
 587                 } catch (IOException e) {
 588                     if (mLastTarget.mAccount == null) {
 589                         Log_OC.e(TAG, "Error while trying to get authorization for a NULL account", e);
 590                     } else {
 591                         Log_OC.e(TAG, "Error while trying to get authorization for " + mLastTarget.mAccount.name, e);
 592                     }
 593                     result = new RemoteOperationResult(e);
 594                 } catch (Exception e) {
 595                     if (mLastTarget.mAccount == null) {
 596                         Log_OC.e(TAG, "Unexpected error for a NULL account", e);
 597                     } else {
 598                         Log_OC.e(TAG, "Unexpected error for " + mLastTarget.mAccount.name, e);
 599                     }
 600                     result = new RemoteOperationResult(e);
 601
 602                 } finally {
 603                     synchronized(mPendingOperations) {
 604                         mPendingOperations.poll();
 605                     }
 606                 }
 607
 608                 //sendBroadcastOperationFinished(mLastTarget, mCurrentOperation, result);
 609                 mService.dispatchResultToOperationListeners(mLastTarget, mCurrentOperation, result);
 610             }
 611         }
 612
 613
 614
 615     }
 616
 617
 618     /**
 619      * Creates a new operation, as described by operationIntent.
 620      *
 621      * TODO - move to ServiceHandler (probably)
 622      *
 623      * @param operationIntent       Intent describing a new operation to queue and execute.
 624      * @return                      Pair with the new operation object and the information about its target server.
 625      */
 626     private Pair<Target , RemoteOperation> newOperation(Intent operationIntent) {
 627         RemoteOperation operation = null;
 628         Target target = null;
 629         try {
 630             if (!operationIntent.hasExtra(EXTRA_ACCOUNT) &&
 631                     !operationIntent.hasExtra(EXTRA_SERVER_URL)) {
 632                 Log_OC.e(TAG, "Not enough information provided in intent");
 633
 634             } else {
 635                 Account account = operationIntent.getParcelableExtra(EXTRA_ACCOUNT);
 636                 String serverUrl = operationIntent.getStringExtra(EXTRA_SERVER_URL);
 637                 String username = operationIntent.getStringExtra(EXTRA_USERNAME);
 638                 String password = operationIntent.getStringExtra(EXTRA_PASSWORD);
 639                 String authToken = operationIntent.getStringExtra(EXTRA_AUTH_TOKEN);
 640                 String cookie = operationIntent.getStringExtra(EXTRA_COOKIE);
 641                 target = new Target(
 642                         account,
 643                         (serverUrl == null) ? null : Uri.parse(serverUrl),
 644                         username,
 645                         password,
 646                         authToken,
 647                         cookie
 648                 );
 649
 650                 String action = operationIntent.getAction();
 651                 if (action.equals(ACTION_CREATE_SHARE)) {  // Create Share
 652                     String remotePath = operationIntent.getStringExtra(EXTRA_REMOTE_PATH);
 653                     Intent sendIntent = operationIntent.getParcelableExtra(EXTRA_SEND_INTENT);
 654                     if (remotePath.length() > 0) {
 655                         operation = new CreateShareOperation(remotePath, ShareType.PUBLIC_LINK,
 656                                 "", false, "", 1, sendIntent);
 657                     }
 658
 659                 } else if (action.equals(ACTION_UNSHARE)) {  // Unshare file
 660                     String remotePath = operationIntent.getStringExtra(EXTRA_REMOTE_PATH);
 661                     if (remotePath.length() > 0) {
 662                         operation = new UnshareLinkOperation(
 663                                 remotePath,
 664                                 OperationsService.this);
 665                     }
 666
 667                 } else if (action.equals(ACTION_GET_SERVER_INFO)) {
 668                     // check OC server and get basic information from it
 669                     operation = new GetServerInfoOperation(serverUrl, OperationsService.this);
 670
 671                 } else if (action.equals(ACTION_OAUTH2_GET_ACCESS_TOKEN)) {
 672                     /// GET ACCESS TOKEN to the OAuth server
 673                     String oauth2QueryParameters =
 674                             operationIntent.getStringExtra(EXTRA_OAUTH2_QUERY_PARAMETERS);
 675                     operation = new OAuth2GetAccessToken(
 676                             getString(R.string.oauth2_client_id),
 677                             getString(R.string.oauth2_redirect_uri),
 678                             getString(R.string.oauth2_grant_type),
 679                             oauth2QueryParameters);
 680
 681                 } else if (action.equals(ACTION_EXISTENCE_CHECK)) {
 682                     // Existence Check
 683                     String remotePath = operationIntent.getStringExtra(EXTRA_REMOTE_PATH);
 684                     boolean successIfAbsent = operationIntent.getBooleanExtra(EXTRA_SUCCESS_IF_ABSENT, false);
 685                     operation = new ExistenceCheckRemoteOperation(remotePath, OperationsService.this, successIfAbsent);
 686
 687                 } else if (action.equals(ACTION_GET_USER_NAME)) {
 688                     // Get User Name
 689                     operation = new GetRemoteUserNameOperation();
 690
 691                 } else if (action.equals(ACTION_RENAME)) {
 692                     // Rename file or folder
 693                     String remotePath = operationIntent.getStringExtra(EXTRA_REMOTE_PATH);
 694                     String newName = operationIntent.getStringExtra(EXTRA_NEWNAME);
 695                     operation = new RenameFileOperation(remotePath, newName);
 696
 697                 } else if (action.equals(ACTION_REMOVE)) {
 698                     // Remove file or folder
 699                     String remotePath = operationIntent.getStringExtra(EXTRA_REMOTE_PATH);
 700                     boolean onlyLocalCopy = operationIntent.getBooleanExtra(EXTRA_REMOVE_ONLY_LOCAL, false);
 701                     operation = new RemoveFileOperation(remotePath, onlyLocalCopy);
 702
 703                 } else if (action.equals(ACTION_CREATE_FOLDER)) {
 704                     // Create Folder
 705                     String remotePath = operationIntent.getStringExtra(EXTRA_REMOTE_PATH);
 706                     boolean createFullPath = operationIntent.getBooleanExtra(EXTRA_CREATE_FULL_PATH, true);
 707                     operation = new CreateFolderOperation(remotePath, createFullPath);
 708
 709                 } else if (action.equals(ACTION_SYNC_FILE)) {
 710                     // Sync file
 711                     String remotePath = operationIntent.getStringExtra(EXTRA_REMOTE_PATH);
 712                     boolean syncFileContents = operationIntent.getBooleanExtra(EXTRA_SYNC_FILE_CONTENTS, true);
 713                     operation = new SynchronizeFileOperation(
 714                             remotePath, account, syncFileContents, getApplicationContext()
 715                     );
 716
 717                 } else if (action.equals(ACTION_SYNC_FOLDER)) {
 718                     // Sync file
 719                     String remotePath = operationIntent.getStringExtra(EXTRA_REMOTE_PATH);
 720                     operation = new SynchronizeFolderOperation(
 721                             this,                       // TODO remove this dependency from construction time
 722                             remotePath,
 723                             account,
 724                             System.currentTimeMillis()  // TODO remove this dependency from construction time
 725                     );
 726
 727                 } else if (action.equals(ACTION_MOVE_FILE)) {
 728                     // Move file/folder
 729                     String remotePath = operationIntent.getStringExtra(EXTRA_REMOTE_PATH);
 730                     String newParentPath = operationIntent.getStringExtra(EXTRA_NEW_PARENT_PATH);
 731                     operation = new MoveFileOperation(remotePath,newParentPath,account);
 732                 }
 733
 734             }
 735
 736         } catch (IllegalArgumentException e) {
 737             Log_OC.e(TAG, "Bad information provided in intent: " + e.getMessage());
 738             operation = null;
 739         }
 740
 741         if (operation != null) {
 742             return new Pair<Target , RemoteOperation>(target, operation);
 743         } else {
 744             return null;
 745         }
 746     }
 747
 748
 749     /**
 750      * Sends a broadcast when a new operation is added to the queue.
 751      *
 752      * Local broadcasts are only delivered to activities in the same process, but can't be done sticky :\
 753      *
 754      * @param target            Account or URL pointing to an OC server.
 755      * @param operation         Added operation.
 756      */
 757     private void sendBroadcastNewOperation(Target target, RemoteOperation operation) {
 758         Intent intent = new Intent(ACTION_OPERATION_ADDED);
 759         if (target.mAccount != null) {
 760             intent.putExtra(EXTRA_ACCOUNT, target.mAccount);
 761         } else {
 762             intent.putExtra(EXTRA_SERVER_URL, target.mServerUrl);
 763         }
 764         //LocalBroadcastManager lbm = LocalBroadcastManager.getInstance(this);
 765         //lbm.sendBroadcast(intent);
 766         sendStickyBroadcast(intent);
 767     }
 768
 769
 770     // TODO - maybe add a notification for real start of operations
 771
 772     /**
 773      * Sends a LOCAL broadcast when an operations finishes in order to the interested activities can update their view
 774      *
 775      * Local broadcasts are only delivered to activities in the same process.
 776      *
 777      * @param target            Account or URL pointing to an OC server.
 778      * @param operation         Finished operation.
 779      * @param result            Result of the operation.
 780      */
 781     private void sendBroadcastOperationFinished(Target target, RemoteOperation operation, RemoteOperationResult result) {
 782         Intent intent = new Intent(ACTION_OPERATION_FINISHED);
 783         intent.putExtra(EXTRA_RESULT, result);
 784         if (target.mAccount != null) {
 785             intent.putExtra(EXTRA_ACCOUNT, target.mAccount);
 786         } else {
 787             intent.putExtra(EXTRA_SERVER_URL, target.mServerUrl);
 788         }
 789         //LocalBroadcastManager lbm = LocalBroadcastManager.getInstance(this);
 790         //lbm.sendBroadcast(intent);
 791         sendStickyBroadcast(intent);
 792     }
 793
 794
 795     /**
 796      * Notifies the currently subscribed listeners about the end of an operation.
 797      *
 798      * @param target            Account or URL pointing to an OC server.
 799      * @param operation         Finished operation.
 800      * @param result            Result of the operation.
 801      */
 802     private void dispatchResultToOperationListeners(
 803             Target target, final RemoteOperation operation, final RemoteOperationResult result) {
 804         int count = 0;
 805         Iterator<OnRemoteOperationListener> listeners = mOperationsBinder.mBoundListeners.keySet().iterator();
 806         while (listeners.hasNext()) {
 807             final OnRemoteOperationListener listener = listeners.next();
 808             final Handler handler = mOperationsBinder.mBoundListeners.get(listener);
 809             if (handler != null) {
 810                 handler.post(new Runnable() {
 811                     @Override
 812                     public void run() {
 813                         listener.onRemoteOperationFinish(operation, result);
 814                     }
 815                 });
 816                 count += 1;
 817             }
 818         }
 819         if (count == 0) {
 820             //mOperationResults.put(operation.hashCode(), result);
 821             Pair<RemoteOperation, RemoteOperationResult> undispatched =
 822                     new Pair<RemoteOperation, RemoteOperationResult>(operation, result);
 823             mUndispatchedFinishedOperations.put(operation.hashCode(), undispatched);
 824         }
 825         Log_OC.d(TAG, "Called " + count + " listeners");
 826     }
 827 }