TableAccessPermissionUtil.java

/**
 * diqube: Distributed Query Base.
 *
 * Copyright (C) 2015 Bastian Gloeckle
 *
 * This file is part of diqube.
 *
 * diqube is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Affero General Public License as
 * published by the Free Software Foundation, either version 3 of the
 * License, or (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU Affero General Public License for more details.
 *
 * You should have received a copy of the GNU Affero General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */
package org.diqube.permission;

import javax.inject.Inject;

import org.diqube.context.AutoInstatiate;
import org.diqube.name.FlattenedTableNameUtil;
import org.diqube.thrift.base.thrift.Ticket;

/**
 * Utility class for {@link Permissions#TABLE_ACCESS}.
 *
 * @author Bastian Gloeckle
 */
@AutoInstatiate
public class TableAccessPermissionUtil {
  @Inject
  private PermissionCheckUtil permissionsUtil;

  @Inject
  private FlattenedTableNameUtil flattenedTableNameUtil;

  /**
   * @param tableName
   *          name of the table to check access for. If this is the name of a flattened table, access to the original
   *          table will be checked.
   * @param ticket
   *          Must have been validated before!
   */
  public boolean hasAccessToTable(Ticket ticket, String tableName) {
    if (flattenedTableNameUtil.isFlattenedTableName(tableName))
      tableName = flattenedTableNameUtil.getOriginalTableNameFromFlatten(tableName);

    return permissionsUtil.hasPermission(ticket, Permissions.TABLE_ACCESS, tableName);
  }

}