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/*
* 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();
}
}
}
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