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/*
* Copyright 2015 - 2022 Anton Tananaev (anton@traccar.org)
* Copyright 2016 Gabor Somogyi (gabor.g.somogyi@gmail.com)
* Copyright 2017 Andrey Kunitsyn (andrey@traccar.org)
*
* 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.api.resource;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.traccar.BaseProtocol;
import org.traccar.ServerManager;
import org.traccar.api.ExtendedObjectResource;
import org.traccar.database.CommandsManager;
import org.traccar.model.Command;
import org.traccar.model.Device;
import org.traccar.model.Position;
import org.traccar.model.Typed;
import org.traccar.model.User;
import org.traccar.model.UserRestrictions;
import org.traccar.storage.StorageException;
import org.traccar.storage.query.Columns;
import org.traccar.storage.query.Condition;
import org.traccar.storage.query.Request;
import javax.inject.Inject;
import javax.ws.rs.Consumes;
import javax.ws.rs.GET;
import javax.ws.rs.POST;
import javax.ws.rs.Path;
import javax.ws.rs.Produces;
import javax.ws.rs.QueryParam;
import javax.ws.rs.core.MediaType;
import javax.ws.rs.core.Response;
import java.lang.reflect.Field;
import java.lang.reflect.Modifier;
import java.util.ArrayList;
import java.util.Collection;
import java.util.Collections;
import java.util.List;
import java.util.stream.Collectors;
@Path("commands")
@Produces(MediaType.APPLICATION_JSON)
@Consumes(MediaType.APPLICATION_JSON)
public class CommandResource extends ExtendedObjectResource<Command> {
private static final Logger LOGGER = LoggerFactory.getLogger(CommandResource.class);
@Inject
private CommandsManager commandsManager;
@Inject
private ServerManager serverManager;
public CommandResource() {
super(Command.class);
}
private BaseProtocol getDeviceProtocol(long deviceId) throws StorageException {
Position position = storage.getObject(Position.class, new Request(
new Columns.All(), new Condition.LatestPositions(deviceId)));
if (position != null) {
return serverManager.getProtocol(position.getProtocol());
} else {
return null;
}
}
@GET
@Path("send")
public Collection<Command> get(@QueryParam("deviceId") long deviceId) throws StorageException {
permissionsService.checkPermission(Device.class, getUserId(), deviceId);
BaseProtocol protocol = getDeviceProtocol(deviceId);
var commands = storage.getObjects(baseClass, new Request(
new Columns.All(),
Condition.merge(List.of(
new Condition.Permission(User.class, getUserId(), baseClass),
new Condition.Permission(Device.class, deviceId, baseClass)
))));
return commands.stream().filter(command -> {
String type = command.getType();
if (protocol != null) {
return command.getTextChannel() && protocol.getSupportedTextCommands().contains(type)
|| !command.getTextChannel() && protocol.getSupportedDataCommands().contains(type);
} else {
return type.equals(Command.TYPE_CUSTOM);
}
}).collect(Collectors.toList());
}
@POST
@Path("send")
public Response send(Command entity) throws Exception {
permissionsService.checkRestriction(getUserId(), UserRestrictions::getReadonly);
if (entity.getId() > 0) {
permissionsService.checkPermission(baseClass, getUserId(), entity.getId());
long deviceId = entity.getDeviceId();
entity = storage.getObject(baseClass, new Request(
new Columns.All(), new Condition.Equals("id", entity.getId())));
entity.setDeviceId(deviceId);
} else {
permissionsService.checkRestriction(getUserId(), UserRestrictions::getLimitCommands);
}
permissionsService.checkPermission(Device.class, getUserId(), entity.getDeviceId());
if (!commandsManager.sendCommand(entity)) {
return Response.accepted(entity).build();
}
return Response.ok(entity).build();
}
@GET
@Path("types")
public Collection<Typed> get(
@QueryParam("deviceId") long deviceId,
@QueryParam("textChannel") boolean textChannel) throws StorageException {
if (deviceId != 0) {
permissionsService.checkPermission(Device.class, getUserId(), deviceId);
BaseProtocol protocol = getDeviceProtocol(deviceId);
if (protocol != null) {
if (textChannel) {
return protocol.getSupportedTextCommands().stream().map(Typed::new).collect(Collectors.toList());
} else {
return protocol.getSupportedDataCommands().stream().map(Typed::new).collect(Collectors.toList());
}
} else {
return Collections.singletonList(new Typed(Command.TYPE_CUSTOM));
}
} else {
List<Typed> result = new ArrayList<>();
Field[] fields = Command.class.getDeclaredFields();
for (Field field : fields) {
if (Modifier.isStatic(field.getModifiers()) && field.getName().startsWith("TYPE_")) {
try {
result.add(new Typed(field.get(null).toString()));
} catch (IllegalArgumentException | IllegalAccessException error) {
LOGGER.warn("Get command types error", error);
}
}
}
return result;
}
}
}
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