src/com/owncloud/android/providers/FileContentProvider.java

   1 /**
   2  *   ownCloud Android client application
   3  *
   4  *   @author Bartek Przybylski
   5  *   @author David A. Velasco
   6  *   Copyright (C) 2011  Bartek Przybylski
   7  *   Copyright (C) 2015 ownCloud Inc.
   8  *
   9  *   This program is free software: you can redistribute it and/or modify
  10  *   it under the terms of the GNU General Public License version 2,
  11  *   as published by the Free Software Foundation.
  12  *
  13  *   This program is distributed in the hope that it will be useful,
  14  *   but WITHOUT ANY WARRANTY; without even the implied warranty of
  15  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16  *   GNU General Public License for more details.
  17  *
  18  *   You should have received a copy of the GNU General Public License
  19  *   along with this program.  If not, see <http://www.gnu.org/licenses/>.
  20  *
  21  */
  22
  23 package com.owncloud.android.providers;
  24
  25 import java.io.File;
  26 import java.util.ArrayList;
  27 import java.util.HashMap;
  28
  29 import com.owncloud.android.MainApp;
  30 import com.owncloud.android.R;
  31 import com.owncloud.android.datamodel.OCFile;
  32 import com.owncloud.android.db.ProviderMeta;
  33 import com.owncloud.android.db.ProviderMeta.ProviderTableMeta;
  34 import com.owncloud.android.lib.common.accounts.AccountUtils;
  35 import com.owncloud.android.lib.common.utils.Log_OC;
  36 import com.owncloud.android.lib.resources.shares.ShareType;
  37 import com.owncloud.android.utils.FileStorageUtils;
  38
  39 import android.accounts.Account;
  40 import android.accounts.AccountManager;
  41 import android.content.ContentProvider;
  42 import android.content.ContentProviderOperation;
  43 import android.content.ContentProviderResult;
  44 import android.content.ContentUris;
  45 import android.content.ContentValues;
  46 import android.content.Context;
  47 import android.content.OperationApplicationException;
  48 import android.content.UriMatcher;
  49 import android.database.Cursor;
  50 import android.database.SQLException;
  51 import android.database.sqlite.SQLiteDatabase;
  52 import android.database.sqlite.SQLiteOpenHelper;
  53 import android.database.sqlite.SQLiteQueryBuilder;
  54 import android.net.Uri;
  55 import android.text.TextUtils;
  56
  57 /**
  58  * The ContentProvider for the ownCloud App.
  59  */
  60 public class FileContentProvider extends ContentProvider {
  61
  62     private DataBaseHelper mDbHelper;
  63
  64     // Projection for filelist table
  65     private static HashMap<String, String> mFileProjectionMap;
  66     static {
  67         mFileProjectionMap = new HashMap<String, String>();
  68         mFileProjectionMap.put(ProviderTableMeta._ID, ProviderTableMeta._ID);
  69         mFileProjectionMap.put(ProviderTableMeta.FILE_PARENT,
  70                 ProviderTableMeta.FILE_PARENT);
  71         mFileProjectionMap.put(ProviderTableMeta.FILE_PATH,
  72                 ProviderTableMeta.FILE_PATH);
  73         mFileProjectionMap.put(ProviderTableMeta.FILE_NAME,
  74                 ProviderTableMeta.FILE_NAME);
  75         mFileProjectionMap.put(ProviderTableMeta.FILE_CREATION,
  76                 ProviderTableMeta.FILE_CREATION);
  77         mFileProjectionMap.put(ProviderTableMeta.FILE_MODIFIED,
  78                 ProviderTableMeta.FILE_MODIFIED);
  79         mFileProjectionMap.put(ProviderTableMeta.FILE_MODIFIED_AT_LAST_SYNC_FOR_DATA,
  80                 ProviderTableMeta.FILE_MODIFIED_AT_LAST_SYNC_FOR_DATA);
  81         mFileProjectionMap.put(ProviderTableMeta.FILE_CONTENT_LENGTH,
  82                 ProviderTableMeta.FILE_CONTENT_LENGTH);
  83         mFileProjectionMap.put(ProviderTableMeta.FILE_CONTENT_TYPE,
  84                 ProviderTableMeta.FILE_CONTENT_TYPE);
  85         mFileProjectionMap.put(ProviderTableMeta.FILE_STORAGE_PATH,
  86                 ProviderTableMeta.FILE_STORAGE_PATH);
  87         mFileProjectionMap.put(ProviderTableMeta.FILE_LAST_SYNC_DATE,
  88                 ProviderTableMeta.FILE_LAST_SYNC_DATE);
  89         mFileProjectionMap.put(ProviderTableMeta.FILE_LAST_SYNC_DATE_FOR_DATA,
  90                 ProviderTableMeta.FILE_LAST_SYNC_DATE_FOR_DATA);
  91         mFileProjectionMap.put(ProviderTableMeta.FILE_KEEP_IN_SYNC,
  92                 ProviderTableMeta.FILE_KEEP_IN_SYNC);
  93         mFileProjectionMap.put(ProviderTableMeta.FILE_ACCOUNT_OWNER,
  94                 ProviderTableMeta.FILE_ACCOUNT_OWNER);
  95         mFileProjectionMap.put(ProviderTableMeta.FILE_ETAG,
  96                 ProviderTableMeta.FILE_ETAG);
  97         mFileProjectionMap.put(ProviderTableMeta.FILE_SHARE_BY_LINK,
  98                 ProviderTableMeta.FILE_SHARE_BY_LINK);
  99         mFileProjectionMap.put(ProviderTableMeta.FILE_PUBLIC_LINK,
 100                 ProviderTableMeta.FILE_PUBLIC_LINK);
 101         mFileProjectionMap.put(ProviderTableMeta.FILE_PERMISSIONS,
 102                 ProviderTableMeta.FILE_PERMISSIONS);
 103         mFileProjectionMap.put(ProviderTableMeta.FILE_REMOTE_ID,
 104                 ProviderTableMeta.FILE_REMOTE_ID);
 105         mFileProjectionMap.put(ProviderTableMeta.FILE_UPDATE_THUMBNAIL,
 106                 ProviderTableMeta.FILE_UPDATE_THUMBNAIL);
 107         mFileProjectionMap.put(ProviderTableMeta.FILE_IS_DOWNLOADING,
 108                 ProviderTableMeta.FILE_IS_DOWNLOADING);
 109         mFileProjectionMap.put(ProviderTableMeta.FILE_IN_CONFLICT,
 110                 ProviderTableMeta.FILE_IN_CONFLICT);
 111     }
 112
 113     private static final int SINGLE_FILE = 1;
 114     private static final int DIRECTORY = 2;
 115     private static final int ROOT_DIRECTORY = 3;
 116     private static final int SHARES = 4;
 117
 118     private static final String TAG = FileContentProvider.class.getSimpleName();
 119
 120     // Projection for ocshares table
 121     private static HashMap<String, String> mOCSharesProjectionMap;
 122     static {
 123         mOCSharesProjectionMap = new HashMap<String, String>();
 124         mOCSharesProjectionMap.put(ProviderTableMeta._ID, ProviderTableMeta._ID);
 125         mOCSharesProjectionMap.put(ProviderTableMeta.OCSHARES_FILE_SOURCE,
 126                 ProviderTableMeta.OCSHARES_FILE_SOURCE);
 127         mOCSharesProjectionMap.put(ProviderTableMeta.OCSHARES_ITEM_SOURCE,
 128                 ProviderTableMeta.OCSHARES_ITEM_SOURCE);
 129         mOCSharesProjectionMap.put(ProviderTableMeta.OCSHARES_SHARE_TYPE,
 130                 ProviderTableMeta.OCSHARES_SHARE_TYPE);
 131         mOCSharesProjectionMap.put(ProviderTableMeta.OCSHARES_SHARE_WITH,
 132                 ProviderTableMeta.OCSHARES_SHARE_WITH);
 133         mOCSharesProjectionMap.put(ProviderTableMeta.OCSHARES_PATH,
 134                 ProviderTableMeta.OCSHARES_PATH);
 135         mOCSharesProjectionMap.put(ProviderTableMeta.OCSHARES_PERMISSIONS,
 136                 ProviderTableMeta.OCSHARES_PERMISSIONS);
 137         mOCSharesProjectionMap.put(ProviderTableMeta.OCSHARES_SHARED_DATE,
 138                 ProviderTableMeta.OCSHARES_SHARED_DATE);
 139         mOCSharesProjectionMap.put(ProviderTableMeta.OCSHARES_EXPIRATION_DATE,
 140                 ProviderTableMeta.OCSHARES_EXPIRATION_DATE);
 141         mOCSharesProjectionMap.put(ProviderTableMeta.OCSHARES_TOKEN,
 142                 ProviderTableMeta.OCSHARES_TOKEN);
 143         mOCSharesProjectionMap.put(ProviderTableMeta.OCSHARES_SHARE_WITH_DISPLAY_NAME,
 144                 ProviderTableMeta.OCSHARES_SHARE_WITH_DISPLAY_NAME);
 145         mOCSharesProjectionMap.put(ProviderTableMeta.OCSHARES_IS_DIRECTORY,
 146                 ProviderTableMeta.OCSHARES_IS_DIRECTORY);
 147         mOCSharesProjectionMap.put(ProviderTableMeta.OCSHARES_USER_ID,
 148                 ProviderTableMeta.OCSHARES_USER_ID);
 149         mOCSharesProjectionMap.put(ProviderTableMeta.OCSHARES_ID_REMOTE_SHARED,
 150                 ProviderTableMeta.OCSHARES_ID_REMOTE_SHARED);
 151         mOCSharesProjectionMap.put(ProviderTableMeta.OCSHARES_ACCOUNT_OWNER,
 152                 ProviderTableMeta.OCSHARES_ACCOUNT_OWNER);
 153     }
 154
 155     private UriMatcher mUriMatcher;
 156
 157     @Override
 158     public int delete(Uri uri, String where, String[] whereArgs) {
 159         //Log_OC.d(TAG, "Deleting " + uri + " at provider " + this);
 160         int count = 0;
 161         SQLiteDatabase db = mDbHelper.getWritableDatabase();
 162         db.beginTransaction();
 163         try {
 164             count = delete(db, uri, where, whereArgs);
 165             db.setTransactionSuccessful();
 166         } finally {
 167             db.endTransaction();
 168         }
 169         getContext().getContentResolver().notifyChange(uri, null);
 170         return count;
 171     }
 172
 173     private int delete(SQLiteDatabase db, Uri uri, String where, String[] whereArgs) {
 174         int count = 0;
 175         switch (mUriMatcher.match(uri)) {
 176         case SINGLE_FILE:
 177             Cursor c = query(db, uri, null, where, whereArgs, null);
 178             String remoteId = "";
 179             if (c != null && c.moveToFirst()) {
 180                 remoteId = c.getString(c.getColumnIndex(ProviderTableMeta.FILE_REMOTE_ID));
 181             }
 182             Log_OC.d(TAG, "Removing FILE " + remoteId);
 183
 184             count = db.delete(ProviderTableMeta.FILE_TABLE_NAME,
 185                     ProviderTableMeta._ID
 186                             + "="
 187                             + uri.getPathSegments().get(1)
 188                             + (!TextUtils.isEmpty(where) ? " AND (" + where
 189                                     + ")" : ""), whereArgs);
 190             /* just for log
 191             if (c!=null) {
 192                 c.close();
 193             }
 194             */
 195             break;
 196         case DIRECTORY:
 197             // deletion of folder is recursive
 198             /*
 199             Uri folderUri = ContentUris.withAppendedId(ProviderTableMeta.CONTENT_URI_FILE, Long.parseLong(uri.getPathSegments().get(1)));
 200             Cursor folder = query(db, folderUri, null, null, null, null);
 201             String folderName = "(unknown)";
 202             if (folder != null && folder.moveToFirst()) {
 203                 folderName = folder.getString(folder.getColumnIndex(ProviderTableMeta.FILE_PATH));
 204             }
 205             */
 206             Cursor children = query(uri, null, null, null, null);
 207             if (children != null && children.moveToFirst())  {
 208                 long childId;
 209                 boolean isDir;
 210                 while (!children.isAfterLast()) {
 211                     childId = children.getLong(children.getColumnIndex(ProviderTableMeta._ID));
 212                     isDir = "DIR".equals(children.getString(
 213                             children.getColumnIndex(ProviderTableMeta.FILE_CONTENT_TYPE)
 214                     ));
 215                     //remotePath = children.getString(children.getColumnIndex(ProviderTableMeta.FILE_PATH));
 216                     if (isDir) {
 217                         count += delete(
 218                             db,
 219                             ContentUris.withAppendedId(ProviderTableMeta.CONTENT_URI_DIR, childId),
 220                             null,
 221                             null
 222                         );
 223                     } else {
 224                         count += delete(
 225                             db,
 226                             ContentUris.withAppendedId(ProviderTableMeta.CONTENT_URI_FILE, childId),
 227                             null,
 228                             null
 229                         );
 230                     }
 231                     children.moveToNext();
 232                 }
 233                 children.close();
 234             } /*else {
 235                 Log_OC.d(TAG, "No child to remove in DIRECTORY " + folderName);
 236             }
 237             Log_OC.d(TAG, "Removing DIRECTORY " + folderName + " (or maybe not) ");
 238             */
 239             count += db.delete(ProviderTableMeta.FILE_TABLE_NAME,
 240                     ProviderTableMeta._ID
 241                     + "="
 242                     + uri.getPathSegments().get(1)
 243                     + (!TextUtils.isEmpty(where) ? " AND (" + where
 244                             + ")" : ""), whereArgs);
 245             /* Just for log
 246              if (folder != null) {
 247                 folder.close();
 248             }*/
 249             break;
 250         case ROOT_DIRECTORY:
 251             //Log_OC.d(TAG, "Removing ROOT!");
 252             count = db.delete(ProviderTableMeta.FILE_TABLE_NAME, where, whereArgs);
 253             break;
 254         case SHARES:
 255             count = db.delete(ProviderTableMeta.OCSHARES_TABLE_NAME, where, whereArgs);
 256             break;
 257         default:
 258             //Log_OC.e(TAG, "Unknown uri " + uri);
 259             throw new IllegalArgumentException("Unknown uri: " + uri.toString());
 260         }
 261         return count;
 262     }
 263
 264     @Override
 265     public String getType(Uri uri) {
 266         switch (mUriMatcher.match(uri)) {
 267         case ROOT_DIRECTORY:
 268             return ProviderTableMeta.CONTENT_TYPE;
 269         case SINGLE_FILE:
 270             return ProviderTableMeta.CONTENT_TYPE_ITEM;
 271         default:
 272             throw new IllegalArgumentException("Unknown Uri id."
 273                     + uri.toString());
 274         }
 275     }
 276
 277     @Override
 278     public Uri insert(Uri uri, ContentValues values) {
 279         Uri newUri = null;
 280         SQLiteDatabase db = mDbHelper.getWritableDatabase();
 281         db.beginTransaction();
 282         try {
 283             newUri = insert(db, uri, values);
 284             db.setTransactionSuccessful();
 285         } finally {
 286             db.endTransaction();
 287         }
 288         getContext().getContentResolver().notifyChange(newUri, null);
 289         return newUri;
 290     }
 291
 292     private Uri insert(SQLiteDatabase db, Uri uri, ContentValues values) {
 293         switch (mUriMatcher.match(uri)){
 294         case ROOT_DIRECTORY:
 295         case SINGLE_FILE:
 296             String remotePath = values.getAsString(ProviderTableMeta.FILE_PATH);
 297             String accountName = values.getAsString(ProviderTableMeta.FILE_ACCOUNT_OWNER);
 298             String[] projection = new String[] {
 299                     ProviderTableMeta._ID, ProviderTableMeta.FILE_PATH,
 300                     ProviderTableMeta.FILE_ACCOUNT_OWNER
 301             };
 302             String where = ProviderTableMeta.FILE_PATH + "=? AND " +
 303                     ProviderTableMeta.FILE_ACCOUNT_OWNER + "=?";
 304             String[] whereArgs = new String[] {remotePath, accountName};
 305             Cursor doubleCheck = query(db, uri, projection, where, whereArgs, null);
 306             // ugly patch; serious refactorization is needed to reduce work in
 307             // FileDataStorageManager and bring it to FileContentProvider
 308             if (doubleCheck == null || !doubleCheck.moveToFirst()) {
 309                 long rowId = db.insert(ProviderTableMeta.FILE_TABLE_NAME, null, values);
 310                 if (rowId > 0) {
 311                     Uri insertedFileUri =
 312                             ContentUris.withAppendedId(ProviderTableMeta.CONTENT_URI_FILE, rowId);
 313                     return insertedFileUri;
 314                 } else {
 315                     throw new SQLException("ERROR " + uri);
 316                 }
 317             } else {
 318                 // file is already inserted; race condition, let's avoid a duplicated entry
 319                 Uri insertedFileUri = ContentUris.withAppendedId(
 320                         ProviderTableMeta.CONTENT_URI_FILE,
 321                         doubleCheck.getLong(doubleCheck.getColumnIndex(ProviderTableMeta._ID))
 322                 );
 323                 doubleCheck.close();
 324
 325                 return insertedFileUri;
 326             }
 327
 328         case SHARES:
 329             String path = values.getAsString(ProviderTableMeta.OCSHARES_PATH);
 330             String accountNameShare= values.getAsString(ProviderTableMeta.OCSHARES_ACCOUNT_OWNER);
 331             String[] projectionShare = new String[] {
 332                     ProviderTableMeta._ID, ProviderTableMeta.OCSHARES_PATH,
 333                     ProviderTableMeta.OCSHARES_ACCOUNT_OWNER
 334             };
 335             String whereShare = ProviderTableMeta.OCSHARES_PATH + "=? AND " +
 336                     ProviderTableMeta.OCSHARES_ACCOUNT_OWNER + "=?";
 337             String[] whereArgsShare = new String[] {path, accountNameShare};
 338             Uri insertedShareUri = null;
 339             Cursor doubleCheckShare =
 340                     query(db, uri, projectionShare, whereShare, whereArgsShare, null);
 341             // ugly patch; serious refactorization is needed to reduce work in
 342             // FileDataStorageManager and bring it to FileContentProvider
 343             if (doubleCheckShare == null || !doubleCheckShare.moveToFirst()) {
 344                 long rowId = db.insert(ProviderTableMeta.OCSHARES_TABLE_NAME, null, values);
 345                 if (rowId >0) {
 346                     insertedShareUri =
 347                             ContentUris.withAppendedId(ProviderTableMeta.CONTENT_URI_SHARE, rowId);
 348                 } else {
 349                     throw new SQLException("ERROR " + uri);
 350
 351                 }
 352             } else {
 353                 // file is already inserted; race condition, let's avoid a duplicated entry
 354                 insertedShareUri = ContentUris.withAppendedId(
 355                         ProviderTableMeta.CONTENT_URI_SHARE,
 356                         doubleCheckShare.getLong(
 357                                 doubleCheckShare.getColumnIndex(ProviderTableMeta._ID)
 358                         )
 359                 );
 360                 doubleCheckShare.close();
 361             }
 362             updateFilesTableAccordingToShareInsertion(db, uri, values);
 363             return insertedShareUri;
 364
 365
 366         default:
 367             throw new IllegalArgumentException("Unknown uri id: " + uri);
 368         }
 369
 370     }
 371
 372     private void updateFilesTableAccordingToShareInsertion(
 373             SQLiteDatabase db, Uri uri, ContentValues shareValues
 374             ) {
 375         ContentValues fileValues = new ContentValues();
 376         fileValues.put(
 377                 ProviderTableMeta.FILE_SHARE_BY_LINK,
 378                 ShareType.PUBLIC_LINK.getValue() ==
 379                         shareValues.getAsInteger(ProviderTableMeta.OCSHARES_SHARE_TYPE) ? 1 : 0
 380         );
 381         String whereShare = ProviderTableMeta.FILE_PATH + "=? AND " +
 382                 ProviderTableMeta.FILE_ACCOUNT_OWNER + "=?";
 383         String[] whereArgsShare = new String[] {
 384                 shareValues.getAsString(ProviderTableMeta.OCSHARES_PATH),
 385                 shareValues.getAsString(ProviderTableMeta.OCSHARES_ACCOUNT_OWNER)
 386         };
 387         db.update(ProviderTableMeta.FILE_TABLE_NAME, fileValues, whereShare, whereArgsShare);
 388     }
 389
 390
 391     @Override
 392     public boolean onCreate() {
 393         mDbHelper = new DataBaseHelper(getContext());
 394
 395         String authority = getContext().getResources().getString(R.string.authority);
 396         mUriMatcher = new UriMatcher(UriMatcher.NO_MATCH);
 397         mUriMatcher.addURI(authority, null, ROOT_DIRECTORY);
 398         mUriMatcher.addURI(authority, "file/", SINGLE_FILE);
 399         mUriMatcher.addURI(authority, "file/#", SINGLE_FILE);
 400         mUriMatcher.addURI(authority, "dir/", DIRECTORY);
 401         mUriMatcher.addURI(authority, "dir/#", DIRECTORY);
 402         mUriMatcher.addURI(authority, "shares/", SHARES);
 403         mUriMatcher.addURI(authority, "shares/#", SHARES);
 404
 405         return true;
 406     }
 407
 408
 409     @Override
 410     public Cursor query(
 411             Uri uri,
 412             String[] projection,
 413             String selection,
 414             String[] selectionArgs,
 415             String sortOrder
 416         ) {
 417
 418         Cursor result = null;
 419         SQLiteDatabase db = mDbHelper.getReadableDatabase();
 420         db.beginTransaction();
 421         try {
 422             result = query(db, uri, projection, selection, selectionArgs, sortOrder);
 423             db.setTransactionSuccessful();
 424         } finally {
 425             db.endTransaction();
 426         }
 427         return result;
 428     }
 429
 430     private Cursor query(
 431             SQLiteDatabase db,
 432             Uri uri,
 433             String[] projection,
 434             String selection,
 435             String[] selectionArgs,
 436             String sortOrder
 437         ) {
 438
 439         SQLiteQueryBuilder sqlQuery = new SQLiteQueryBuilder();
 440
 441         sqlQuery.setTables(ProviderTableMeta.FILE_TABLE_NAME);
 442         sqlQuery.setProjectionMap(mFileProjectionMap);
 443
 444         switch (mUriMatcher.match(uri)) {
 445         case ROOT_DIRECTORY:
 446             break;
 447         case DIRECTORY:
 448             String folderId = uri.getPathSegments().get(1);
 449             sqlQuery.appendWhere(ProviderTableMeta.FILE_PARENT + "="
 450                     + folderId);
 451             break;
 452         case SINGLE_FILE:
 453             if (uri.getPathSegments().size() > 1) {
 454                 sqlQuery.appendWhere(ProviderTableMeta._ID + "="
 455                         + uri.getPathSegments().get(1));
 456             }
 457             break;
 458         case SHARES:
 459             sqlQuery.setTables(ProviderTableMeta.OCSHARES_TABLE_NAME);
 460             sqlQuery.setProjectionMap(mOCSharesProjectionMap);
 461             if (uri.getPathSegments().size() > 1) {
 462                 sqlQuery.appendWhere(ProviderTableMeta._ID + "="
 463                         + uri.getPathSegments().get(1));
 464             }
 465             break;
 466         default:
 467             throw new IllegalArgumentException("Unknown uri id: " + uri);
 468         }
 469
 470         String order;
 471         if (TextUtils.isEmpty(sortOrder)) {
 472             if (mUriMatcher.match(uri) == SHARES) {
 473                 order = ProviderTableMeta.OCSHARES_DEFAULT_SORT_ORDER;
 474             } else {
 475
 476                 order = ProviderTableMeta.FILE_DEFAULT_SORT_ORDER;
 477             }
 478         } else {
 479             order = sortOrder;
 480         }
 481
 482         // DB case_sensitive
 483         db.execSQL("PRAGMA case_sensitive_like = true");
 484         Cursor c = sqlQuery.query(db, projection, selection, selectionArgs, null, null, order);
 485         c.setNotificationUri(getContext().getContentResolver(), uri);
 486         return c;
 487     }
 488
 489     @Override
 490     public int update(Uri uri, ContentValues values, String selection, String[] selectionArgs) {
 491
 492         int count = 0;
 493         SQLiteDatabase db = mDbHelper.getWritableDatabase();
 494         db.beginTransaction();
 495         try {
 496             count = update(db, uri, values, selection, selectionArgs);
 497             db.setTransactionSuccessful();
 498         } finally {
 499             db.endTransaction();
 500         }
 501         getContext().getContentResolver().notifyChange(uri, null);
 502         return count;
 503     }
 504
 505
 506
 507     private int update(
 508             SQLiteDatabase db,
 509             Uri uri,
 510             ContentValues values,
 511             String selection,
 512             String[] selectionArgs
 513         ) {
 514         switch (mUriMatcher.match(uri)) {
 515             case DIRECTORY:
 516                 return  0; //updateFolderSize(db, selectionArgs[0]);
 517             case SHARES:
 518                 return db.update(
 519                         ProviderTableMeta.OCSHARES_TABLE_NAME, values, selection, selectionArgs
 520                 );
 521             default:
 522                 return db.update(
 523                         ProviderTableMeta.FILE_TABLE_NAME, values, selection, selectionArgs
 524                 );
 525         }
 526     }
 527
 528     @Override
 529     public ContentProviderResult[] applyBatch (ArrayList<ContentProviderOperation> operations)
 530             throws OperationApplicationException {
 531         Log_OC.d("FileContentProvider", "applying batch in provider " + this +
 532                 " (temporary: " + isTemporary() + ")" );
 533         ContentProviderResult[] results = new ContentProviderResult[operations.size()];
 534         int i=0;
 535
 536         SQLiteDatabase db = mDbHelper.getWritableDatabase();
 537         db.beginTransaction();  // it's supposed that transactions can be nested
 538         try {
 539             for (ContentProviderOperation operation : operations) {
 540                 results[i] = operation.apply(this, results, i);
 541                 i++;
 542             }
 543             db.setTransactionSuccessful();
 544         } finally {
 545             db.endTransaction();
 546         }
 547         Log_OC.d("FileContentProvider", "applied batch in provider " + this);
 548         return results;
 549     }
 550
 551
 552     class DataBaseHelper extends SQLiteOpenHelper {
 553
 554         public DataBaseHelper(Context context) {
 555             super(context, ProviderMeta.DB_NAME, null, ProviderMeta.DB_VERSION);
 556
 557         }
 558
 559         @Override
 560         public void onCreate(SQLiteDatabase db) {
 561             // files table
 562             Log_OC.i("SQL", "Entering in onCreate");
 563             db.execSQL("CREATE TABLE " + ProviderTableMeta.FILE_TABLE_NAME + "("
 564                     + ProviderTableMeta._ID + " INTEGER PRIMARY KEY, "
 565                     + ProviderTableMeta.FILE_NAME + " TEXT, "
 566                     + ProviderTableMeta.FILE_PATH + " TEXT, "
 567                     + ProviderTableMeta.FILE_PARENT + " INTEGER, "
 568                     + ProviderTableMeta.FILE_CREATION + " INTEGER, "
 569                     + ProviderTableMeta.FILE_MODIFIED + " INTEGER, "
 570                     + ProviderTableMeta.FILE_CONTENT_TYPE + " TEXT, "
 571                     + ProviderTableMeta.FILE_CONTENT_LENGTH + " INTEGER, "
 572                     + ProviderTableMeta.FILE_STORAGE_PATH + " TEXT, "
 573                     + ProviderTableMeta.FILE_ACCOUNT_OWNER + " TEXT, "
 574                     + ProviderTableMeta.FILE_LAST_SYNC_DATE + " INTEGER, "
 575                     + ProviderTableMeta.FILE_KEEP_IN_SYNC + " INTEGER, "
 576                     + ProviderTableMeta.FILE_LAST_SYNC_DATE_FOR_DATA + " INTEGER, "
 577                     + ProviderTableMeta.FILE_MODIFIED_AT_LAST_SYNC_FOR_DATA + " INTEGER, "
 578                     + ProviderTableMeta.FILE_ETAG + " TEXT, "
 579                     + ProviderTableMeta.FILE_SHARE_BY_LINK + " INTEGER, "
 580                     + ProviderTableMeta.FILE_PUBLIC_LINK  + " TEXT, "
 581                     + ProviderTableMeta.FILE_PERMISSIONS  + " TEXT null,"
 582                     + ProviderTableMeta.FILE_REMOTE_ID  + " TEXT null,"
 583                     + ProviderTableMeta.FILE_UPDATE_THUMBNAIL  + " INTEGER," //boolean
 584                     + ProviderTableMeta.FILE_IS_DOWNLOADING  + " INTEGER," //boolean
 585                     + ProviderTableMeta.FILE_IN_CONFLICT + " INTEGER);"    //boolean
 586                     );
 587
 588             // Create table ocshares
 589             db.execSQL("CREATE TABLE " + ProviderTableMeta.OCSHARES_TABLE_NAME + "("
 590                     + ProviderTableMeta._ID + " INTEGER PRIMARY KEY, "
 591                     + ProviderTableMeta.OCSHARES_FILE_SOURCE + " INTEGER, "
 592                     + ProviderTableMeta.OCSHARES_ITEM_SOURCE + " INTEGER, "
 593                     + ProviderTableMeta.OCSHARES_SHARE_TYPE + " INTEGER, "
 594                     + ProviderTableMeta.OCSHARES_SHARE_WITH + " TEXT, "
 595                     + ProviderTableMeta.OCSHARES_PATH + " TEXT, "
 596                     + ProviderTableMeta.OCSHARES_PERMISSIONS+ " INTEGER, "
 597                     + ProviderTableMeta.OCSHARES_SHARED_DATE + " INTEGER, "
 598                     + ProviderTableMeta.OCSHARES_EXPIRATION_DATE + " INTEGER, "
 599                     + ProviderTableMeta.OCSHARES_TOKEN + " TEXT, "
 600                     + ProviderTableMeta.OCSHARES_SHARE_WITH_DISPLAY_NAME + " TEXT, "
 601                     + ProviderTableMeta.OCSHARES_IS_DIRECTORY + " INTEGER, "  // boolean
 602                     + ProviderTableMeta.OCSHARES_USER_ID + " INTEGER, "
 603                     + ProviderTableMeta.OCSHARES_ID_REMOTE_SHARED + " INTEGER,"
 604                     + ProviderTableMeta.OCSHARES_ACCOUNT_OWNER + " TEXT );" );
 605         }
 606
 607         @Override
 608         public void onUpgrade(SQLiteDatabase db, int oldVersion, int newVersion) {
 609             Log_OC.i("SQL", "Entering in onUpgrade");
 610             boolean upgraded = false;
 611             if (oldVersion == 1 && newVersion >= 2) {
 612                 Log_OC.i("SQL", "Entering in the #1 ADD in onUpgrade");
 613                 db.execSQL("ALTER TABLE " + ProviderTableMeta.FILE_TABLE_NAME +
 614                            " ADD COLUMN " + ProviderTableMeta.FILE_KEEP_IN_SYNC  + " INTEGER " +
 615                            " DEFAULT 0");
 616                 upgraded = true;
 617             }
 618             if (oldVersion < 3 && newVersion >= 3) {
 619                 Log_OC.i("SQL", "Entering in the #2 ADD in onUpgrade");
 620                 db.beginTransaction();
 621                 try {
 622                     db.execSQL("ALTER TABLE " + ProviderTableMeta.FILE_TABLE_NAME +
 623                                " ADD COLUMN " + ProviderTableMeta.FILE_LAST_SYNC_DATE_FOR_DATA  +
 624                                " INTEGER " + " DEFAULT 0");
 625
 626                     // assume there are not local changes pending to upload
 627                     db.execSQL("UPDATE " + ProviderTableMeta.FILE_TABLE_NAME +
 628                             " SET " + ProviderTableMeta.FILE_LAST_SYNC_DATE_FOR_DATA + " = "
 629                             + System.currentTimeMillis() +
 630                             " WHERE " + ProviderTableMeta.FILE_STORAGE_PATH + " IS NOT NULL");
 631
 632                     upgraded = true;
 633                     db.setTransactionSuccessful();
 634                 } finally {
 635                     db.endTransaction();
 636                 }
 637             }
 638             if (oldVersion < 4 && newVersion >= 4) {
 639                 Log_OC.i("SQL", "Entering in the #3 ADD in onUpgrade");
 640                 db.beginTransaction();
 641                 try {
 642                     db.execSQL("ALTER TABLE " + ProviderTableMeta.FILE_TABLE_NAME +
 643                             " ADD COLUMN " + ProviderTableMeta.FILE_MODIFIED_AT_LAST_SYNC_FOR_DATA +
 644                             " INTEGER " + " DEFAULT 0");
 645
 646                     db.execSQL("UPDATE " + ProviderTableMeta.FILE_TABLE_NAME +
 647                            " SET " + ProviderTableMeta.FILE_MODIFIED_AT_LAST_SYNC_FOR_DATA + " = " +
 648                             ProviderTableMeta.FILE_MODIFIED +
 649                            " WHERE " + ProviderTableMeta.FILE_STORAGE_PATH + " IS NOT NULL");
 650
 651                     upgraded = true;
 652                     db.setTransactionSuccessful();
 653                 } finally {
 654                     db.endTransaction();
 655                 }
 656             }
 657             if (!upgraded)
 658                 Log_OC.i("SQL", "OUT of the ADD in onUpgrade; oldVersion == " + oldVersion +
 659                         ", newVersion == " + newVersion);
 660
 661             if (oldVersion < 5 && newVersion >= 5) {
 662                 Log_OC.i("SQL", "Entering in the #4 ADD in onUpgrade");
 663                 db.beginTransaction();
 664                 try {
 665                     db.execSQL("ALTER TABLE " + ProviderTableMeta.FILE_TABLE_NAME +
 666                             " ADD COLUMN " + ProviderTableMeta.FILE_ETAG + " TEXT " +
 667                             " DEFAULT NULL");
 668
 669                     upgraded = true;
 670                     db.setTransactionSuccessful();
 671                 } finally {
 672                     db.endTransaction();
 673                 }
 674             }
 675             if (!upgraded)
 676                 Log_OC.i("SQL", "OUT of the ADD in onUpgrade; oldVersion == " + oldVersion +
 677                         ", newVersion == " + newVersion);
 678
 679             if (oldVersion < 6 && newVersion >= 6) {
 680                 Log_OC.i("SQL", "Entering in the #5 ADD in onUpgrade");
 681                 db.beginTransaction();
 682                 try {
 683                     db .execSQL("ALTER TABLE " + ProviderTableMeta.FILE_TABLE_NAME +
 684                             " ADD COLUMN " + ProviderTableMeta.FILE_SHARE_BY_LINK + " INTEGER " +
 685                             " DEFAULT 0");
 686
 687                     db .execSQL("ALTER TABLE " + ProviderTableMeta.FILE_TABLE_NAME +
 688                             " ADD COLUMN " + ProviderTableMeta.FILE_PUBLIC_LINK + " TEXT " +
 689                             " DEFAULT NULL");
 690
 691                     // Create table ocshares
 692                     db.execSQL("CREATE TABLE " + ProviderTableMeta.OCSHARES_TABLE_NAME + "("
 693                             + ProviderTableMeta._ID + " INTEGER PRIMARY KEY, "
 694                             + ProviderTableMeta.OCSHARES_FILE_SOURCE + " INTEGER, "
 695                             + ProviderTableMeta.OCSHARES_ITEM_SOURCE + " INTEGER, "
 696                             + ProviderTableMeta.OCSHARES_SHARE_TYPE + " INTEGER, "
 697                             + ProviderTableMeta.OCSHARES_SHARE_WITH + " TEXT, "
 698                             + ProviderTableMeta.OCSHARES_PATH + " TEXT, "
 699                             + ProviderTableMeta.OCSHARES_PERMISSIONS + " INTEGER, "
 700                             + ProviderTableMeta.OCSHARES_SHARED_DATE + " INTEGER, "
 701                             + ProviderTableMeta.OCSHARES_EXPIRATION_DATE + " INTEGER, "
 702                             + ProviderTableMeta.OCSHARES_TOKEN + " TEXT, "
 703                             + ProviderTableMeta.OCSHARES_SHARE_WITH_DISPLAY_NAME + " TEXT, "
 704                             + ProviderTableMeta.OCSHARES_IS_DIRECTORY + " INTEGER, "  // boolean
 705                             + ProviderTableMeta.OCSHARES_USER_ID + " INTEGER, "
 706                             + ProviderTableMeta.OCSHARES_ID_REMOTE_SHARED + " INTEGER,"
 707                             + ProviderTableMeta.OCSHARES_ACCOUNT_OWNER + " TEXT );");
 708
 709                     upgraded = true;
 710                     db.setTransactionSuccessful();
 711                 } finally {
 712                     db.endTransaction();
 713                 }
 714             }
 715             if (!upgraded)
 716                 Log_OC.i("SQL", "OUT of the ADD in onUpgrade; oldVersion == " + oldVersion +
 717                         ", newVersion == " + newVersion);
 718
 719             if (oldVersion < 7 && newVersion >= 7) {
 720                 Log_OC.i("SQL", "Entering in the #7 ADD in onUpgrade");
 721                 db.beginTransaction();
 722                 try {
 723                     db.execSQL("ALTER TABLE " + ProviderTableMeta.FILE_TABLE_NAME +
 724                             " ADD COLUMN " + ProviderTableMeta.FILE_PERMISSIONS + " TEXT " +
 725                             " DEFAULT NULL");
 726
 727                     db.execSQL("ALTER TABLE " + ProviderTableMeta.FILE_TABLE_NAME +
 728                             " ADD COLUMN " + ProviderTableMeta.FILE_REMOTE_ID + " TEXT " +
 729                             " DEFAULT NULL");
 730
 731                     upgraded = true;
 732                     db.setTransactionSuccessful();
 733                 } finally {
 734                     db.endTransaction();
 735                 }
 736             }
 737             if (!upgraded)
 738                 Log_OC.i("SQL", "OUT of the ADD in onUpgrade; oldVersion == " + oldVersion +
 739                         ", newVersion == " + newVersion);
 740
 741             if (oldVersion < 8 && newVersion >= 8) {
 742                 Log_OC.i("SQL", "Entering in the #8 ADD in onUpgrade");
 743                 db.beginTransaction();
 744                 try {
 745                     db.execSQL("ALTER TABLE " + ProviderTableMeta.FILE_TABLE_NAME +
 746                             " ADD COLUMN " + ProviderTableMeta.FILE_UPDATE_THUMBNAIL + " INTEGER " +
 747                             " DEFAULT 0");
 748
 749                     upgraded = true;
 750                     db.setTransactionSuccessful();
 751                 } finally {
 752                     db.endTransaction();
 753                 }
 754             }
 755             if (!upgraded)
 756                 Log_OC.i("SQL", "OUT of the ADD in onUpgrade; oldVersion == " + oldVersion +
 757                         ", newVersion == " + newVersion);
 758
 759             if (oldVersion < 9 && newVersion >= 9) {
 760                 Log_OC.i("SQL", "Entering in the #9 ADD in onUpgrade");
 761                 db.beginTransaction();
 762                 try {
 763                     db .execSQL("ALTER TABLE " + ProviderTableMeta.FILE_TABLE_NAME +
 764                             " ADD COLUMN " + ProviderTableMeta.FILE_IS_DOWNLOADING + " INTEGER " +
 765                             " DEFAULT 0");
 766
 767                     upgraded = true;
 768                     db.setTransactionSuccessful();
 769                 } finally {
 770                     db.endTransaction();
 771                 }
 772             }
 773             if (!upgraded)
 774                 Log_OC.i("SQL", "OUT of the ADD in onUpgrade; oldVersion == " + oldVersion +
 775                         ", newVersion == " + newVersion);
 776
 777             if (oldVersion < 10 && newVersion >= 10) {
 778                 Log_OC.i("SQL", "Entering in the #10 ADD in onUpgrade");
 779                 updateAccountName(db);
 780                 upgraded = true;
 781             }
 782              if (!upgraded)
 783                 Log_OC.i("SQL", "OUT of the ADD in onUpgrade; oldVersion == " + oldVersion +
 784                         ", newVersion == " + newVersion);
 785
 786             if (oldVersion < 11 && newVersion >= 11) {
 787                 Log_OC.i("SQL", "Entering in the #11 ADD in onUpgrade");
 788                 db.beginTransaction();
 789                 try {
 790                     db .execSQL("ALTER TABLE " + ProviderTableMeta.FILE_TABLE_NAME +
 791                             " ADD COLUMN " + ProviderTableMeta.FILE_IN_CONFLICT + " INTEGER " +
 792                             " DEFAULT 0");
 793                     upgraded = true;
 794                     db.setTransactionSuccessful();
 795                 } finally {
 796                     db.endTransaction();
 797                 }
 798             }
 799             if (!upgraded)
 800                 Log_OC.i("SQL", "OUT of the ADD in onUpgrade; oldVersion == " + oldVersion +
 801                         ", newVersion == " + newVersion);
 802
 803         }
 804     }
 805
 806
 807     /**
 808      * Version 10 of database does not modify its scheme. It coincides with the upgrade of the ownCloud account names
 809      * structure to include in it the path to the server instance. Updating the account names and path to local files
 810      * in the files table is a must to keep the existing account working and the database clean.
 811      *
 812      * See {@link com.owncloud.android.authentication.AccountUtils#updateAccountVersion(android.content.Context)}
 813      *
 814      * @param db        Database where table of files is included.
 815      */
 816     private void updateAccountName(SQLiteDatabase db){
 817         Log_OC.d("SQL", "THREAD:  "+ Thread.currentThread().getName());
 818         AccountManager ama = AccountManager.get(getContext());
 819         try {
 820             // get accounts from AccountManager ;  we can't be sure if accounts in it are updated or not although
 821             // we know the update was previously done in {link @FileActivity#onCreate} because the changes through
 822             // AccountManager are not synchronous
 823             Account[] accounts = AccountManager.get(getContext()).getAccountsByType(
 824                     MainApp.getAccountType());
 825             String serverUrl, username, oldAccountName, newAccountName;
 826                         for (Account account : accounts) {
 827                 // build both old and new account name
 828                 serverUrl = ama.getUserData(account, AccountUtils.Constants.KEY_OC_BASE_URL);
 829                 username = account.name.substring(0, account.name.lastIndexOf('@'));
 830                 oldAccountName = AccountUtils.buildAccountNameOld(Uri.parse(serverUrl), username);
 831                 newAccountName = AccountUtils.buildAccountName(Uri.parse(serverUrl), username);
 832
 833                 // update values in database
 834                 db.beginTransaction();
 835                 try {
 836                     ContentValues cv = new ContentValues();
 837                     cv.put(ProviderTableMeta.FILE_ACCOUNT_OWNER, newAccountName);
 838                     int num = db.update(ProviderTableMeta.FILE_TABLE_NAME,
 839                             cv,
 840                             ProviderTableMeta.FILE_ACCOUNT_OWNER + "=?",
 841                             new String[]{oldAccountName});
 842
 843                     Log_OC.d("SQL", "Updated account in database: old name == " + oldAccountName +
 844                             ", new name == " + newAccountName + " (" + num + " rows updated )");
 845
 846                     // update path for downloaded files
 847                     updateDownloadedFiles(db, newAccountName, oldAccountName);
 848
 849                     db.setTransactionSuccessful();
 850
 851                 } catch (SQLException e) {
 852                     Log_OC.e(TAG, "SQL Exception upgrading account names or paths in database", e);
 853                 } finally {
 854                     db.endTransaction();
 855                 }
 856                         }
 857         } catch (Exception e) {
 858             Log_OC.e(TAG, "Exception upgrading account names or paths in database", e);
 859         }
 860     }
 861
 862
 863     /**
 864      * Rename the local ownCloud folder of one account to match the a rename of the account itself. Updates the
 865      * table of files in database so that the paths to the local files keep being the same.
 866      *
 867      * @param db                    Database where table of files is included.
 868      * @param newAccountName        New name for the target OC account.
 869      * @param oldAccountName        Old name of the target OC account.
 870      */
 871     private void updateDownloadedFiles(SQLiteDatabase db, String newAccountName,
 872                                        String oldAccountName) {
 873
 874         String whereClause = ProviderTableMeta.FILE_ACCOUNT_OWNER + "=? AND " +
 875                 ProviderTableMeta.FILE_STORAGE_PATH + " IS NOT NULL";
 876
 877         Cursor c = db.query(ProviderTableMeta.FILE_TABLE_NAME,
 878                 null,
 879                 whereClause,
 880                 new String[] { newAccountName },
 881                 null, null, null);
 882
 883         try {
 884             if (c.moveToFirst()) {
 885                 // create storage path
 886                 String oldAccountPath = FileStorageUtils.getSavePath(oldAccountName);
 887                 String newAccountPath = FileStorageUtils.getSavePath(newAccountName);
 888
 889                 // move files
 890                 File oldAccountFolder = new File(oldAccountPath);
 891                 File newAccountFolder = new File(newAccountPath);
 892                 oldAccountFolder.renameTo(newAccountFolder);
 893
 894                 // update database
 895                 do {
 896                     // Update database
 897                     String oldPath = c.getString(
 898                             c.getColumnIndex(ProviderTableMeta.FILE_STORAGE_PATH));
 899                     OCFile file = new OCFile(
 900                             c.getString(c.getColumnIndex(ProviderTableMeta.FILE_PATH)));
 901                     String newPath = FileStorageUtils.getDefaultSavePathFor(newAccountName, file);
 902
 903                     ContentValues cv = new ContentValues();
 904                     cv.put(ProviderTableMeta.FILE_STORAGE_PATH, newPath);
 905                     db.update(ProviderTableMeta.FILE_TABLE_NAME,
 906                             cv,
 907                             ProviderTableMeta.FILE_STORAGE_PATH + "=?",
 908                             new String[]{oldPath});
 909
 910                     Log_OC.v("SQL", "Updated path of downloaded file: old file name == " + oldPath +
 911                             ", new file name == " + newPath);
 912
 913                 } while (c.moveToNext());
 914             }
 915         } finally {
 916             c.close();
 917         }
 918
 919     }
 920
 921 }