/* * Copyright 2015 Anton Tananaev (anton.tananaev@gmail.com) * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ package org.traccar.database; import java.sql.SQLException; import java.util.Collection; import java.util.HashMap; import java.util.HashSet; import java.util.Map; import java.util.Set; import org.traccar.Context; import org.traccar.helper.Log; import org.traccar.model.Permission; public class PermissionsManager { private final Map<Long, Set<Long>> permissions = new HashMap<Long, Set<Long>>(); private Set<Long> getNotNull(long userId) { if (!permissions.containsKey(userId)) { permissions.put(userId, new HashSet<Long>()); } return permissions.get(userId); } public PermissionsManager() { refresh(); } public final void refresh() { permissions.clear(); try { for (Permission permission : Context.getDataManager().getPermissions()) { getNotNull(permission.getUserId()).add(permission.getDeviceId()); } } catch (SQLException error) { Log.warning(error); } } public Collection<Long> allowedDevices(long userId) { return getNotNull(userId); } public void checkDevice(long userId, long deviceId) throws SecurityException { if (getNotNull(userId).contains(deviceId)) { throw new SecurityException(); } } public void checkDevices(long userId, Collection<Long> devices) throws SecurityException { if (getNotNull(userId).containsAll(devices)) { throw new SecurityException(); } } }