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Diffstat (limited to 'src/org/traccar/protocol/At2000ProtocolDecoder.java')
-rw-r--r--src/org/traccar/protocol/At2000ProtocolDecoder.java171
1 files changed, 0 insertions, 171 deletions
diff --git a/src/org/traccar/protocol/At2000ProtocolDecoder.java b/src/org/traccar/protocol/At2000ProtocolDecoder.java
deleted file mode 100644
index 43798eb67..000000000
--- a/src/org/traccar/protocol/At2000ProtocolDecoder.java
+++ /dev/null
@@ -1,171 +0,0 @@
-/*
- * Copyright 2016 - 2018 Anton Tananaev (anton@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.protocol;
-
-import io.netty.buffer.ByteBuf;
-import io.netty.buffer.Unpooled;
-import io.netty.channel.Channel;
-import org.traccar.BaseProtocolDecoder;
-import org.traccar.DeviceSession;
-import org.traccar.NetworkMessage;
-import org.traccar.Protocol;
-import org.traccar.helper.DataConverter;
-import org.traccar.helper.UnitsConverter;
-import org.traccar.model.Position;
-
-import javax.crypto.Cipher;
-import javax.crypto.spec.IvParameterSpec;
-import javax.crypto.spec.SecretKeySpec;
-import java.net.SocketAddress;
-import java.nio.charset.StandardCharsets;
-import java.util.Date;
-import java.util.LinkedList;
-import java.util.List;
-
-public class At2000ProtocolDecoder extends BaseProtocolDecoder {
-
- private static final int BLOCK_LENGTH = 16;
-
- public At2000ProtocolDecoder(Protocol protocol) {
- super(protocol);
- }
-
- public static final int MSG_ACKNOWLEDGEMENT = 0x00;
- public static final int MSG_DEVICE_ID = 0x01;
- public static final int MSG_TRACK_REQUEST = 0x88;
- public static final int MSG_TRACK_RESPONSE = 0x89;
- public static final int MSG_SESSION_END = 0x0c;
-
- private Cipher cipher;
-
- private static void sendRequest(Channel channel) {
- if (channel != null) {
- ByteBuf response = Unpooled.buffer(BLOCK_LENGTH);
- response.writeByte(MSG_TRACK_REQUEST);
- response.writeMedium(0);
- response.writerIndex(BLOCK_LENGTH);
- channel.writeAndFlush(new NetworkMessage(response, channel.remoteAddress()));
- }
- }
-
- @Override
- protected Object decode(
- Channel channel, SocketAddress remoteAddress, Object msg) throws Exception {
-
- ByteBuf buf = (ByteBuf) msg;
-
- if (buf.getUnsignedByte(buf.readerIndex()) == 0x01) {
- buf.readUnsignedByte(); // codec id
- }
-
- int type = buf.readUnsignedByte();
- buf.readUnsignedMediumLE(); // length
- buf.skipBytes(BLOCK_LENGTH - 1 - 3);
-
- if (type == MSG_DEVICE_ID) {
-
- String imei = buf.readSlice(15).toString(StandardCharsets.US_ASCII);
- if (getDeviceSession(channel, remoteAddress, imei) != null) {
-
- byte[] iv = new byte[BLOCK_LENGTH];
- buf.readBytes(iv);
- IvParameterSpec ivSpec = new IvParameterSpec(iv);
-
- SecretKeySpec keySpec = new SecretKeySpec(
- DataConverter.parseHex("000102030405060708090a0b0c0d0e0f"), "AES");
-
- cipher = Cipher.getInstance("AES/CBC/NoPadding");
- cipher.init(Cipher.DECRYPT_MODE, keySpec, ivSpec);
-
- byte[] data = new byte[BLOCK_LENGTH];
- buf.readBytes(data);
- cipher.update(data);
-
- }
-
- } else if (type == MSG_TRACK_RESPONSE) {
-
- DeviceSession deviceSession = getDeviceSession(channel, remoteAddress);
- if (deviceSession == null) {
- return null;
- }
-
- if (buf.capacity() <= BLOCK_LENGTH) {
- return null; // empty message
- }
-
- List<Position> positions = new LinkedList<>();
-
- byte[] data = new byte[buf.capacity() - BLOCK_LENGTH];
- buf.readBytes(data);
- buf = Unpooled.wrappedBuffer(cipher.update(data));
- try {
- while (buf.readableBytes() >= 63) {
-
- Position position = new Position(getProtocolName());
- position.setDeviceId(deviceSession.getDeviceId());
-
- buf.readUnsignedShortLE(); // index
- buf.readUnsignedShortLE(); // reserved
-
- position.setValid(true);
-
- position.setTime(new Date(buf.readLongLE() * 1000));
-
- position.setLatitude(buf.readFloatLE());
- position.setLongitude(buf.readFloatLE());
- position.setAltitude(buf.readFloatLE());
- position.setSpeed(UnitsConverter.knotsFromKph(buf.readFloatLE()));
- position.setCourse(buf.readFloatLE());
-
- buf.readUnsignedIntLE(); // geozone event
- buf.readUnsignedIntLE(); // io events
- buf.readUnsignedIntLE(); // geozone value
- buf.readUnsignedIntLE(); // io values
- buf.readUnsignedShortLE(); // operator
-
- position.set(Position.PREFIX_ADC + 1, buf.readUnsignedShortLE());
- position.set(Position.PREFIX_ADC + 1, buf.readUnsignedShortLE());
-
- position.set(Position.KEY_POWER, buf.readUnsignedShortLE() * 0.001);
-
- buf.readUnsignedShortLE(); // cid
- position.set(Position.KEY_RSSI, buf.readUnsignedByte());
- buf.readUnsignedByte(); // current profile
-
- position.set(Position.KEY_BATTERY, buf.readUnsignedByte());
- position.set(Position.PREFIX_TEMP + 1, buf.readUnsignedByte());
- position.set(Position.KEY_SATELLITES, buf.readUnsignedByte());
-
- positions.add(position);
-
- }
- } finally {
- buf.release();
- }
-
- return positions;
-
- }
-
- if (type == MSG_DEVICE_ID) {
- sendRequest(channel);
- }
-
- return null;
- }
-
-}