1 files changed, 95 insertions, 0 deletions
diff --git a/src/main/java/org/traccar/protocol/LacakProtocolDecoder.java b/src/main/java/org/traccar/protocol/LacakProtocolDecoder.java
new file mode 100644
index 000000000..132087c8f
--- /dev/null
+++ b/src/main/java/org/traccar/protocol/LacakProtocolDecoder.java
@@ -0,0 +1,95 @@
+/*
+ * Copyright 2021 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.channel.Channel;
+import io.netty.handler.codec.http.FullHttpRequest;
+import io.netty.handler.codec.http.HttpResponseStatus;
+import org.traccar.BaseHttpProtocolDecoder;
+import org.traccar.DeviceSession;
+import org.traccar.Protocol;
+import org.traccar.helper.DateUtil;
+import org.traccar.model.Position;
+
+import javax.json.Json;
+import javax.json.JsonObject;
+import java.io.StringReader;
+import java.net.SocketAddress;
+import java.nio.charset.StandardCharsets;
+
+public class LacakProtocolDecoder extends BaseHttpProtocolDecoder {
+
+    public LacakProtocolDecoder(Protocol protocol) {
+        super(protocol);
+    }
+
+    @Override
+    protected Object decode(
+            Channel channel, SocketAddress remoteAddress, Object msg) throws Exception {
+
+        FullHttpRequest request = (FullHttpRequest) msg;
+        JsonObject root = Json.createReader(
+                new StringReader(request.content().toString(StandardCharsets.US_ASCII))).readObject();
+
+        DeviceSession deviceSession = getDeviceSession(channel, remoteAddress, root.getString("device_id"));
+        if (deviceSession == null) {
+            sendResponse(channel, HttpResponseStatus.BAD_REQUEST);
+            return null;
+        }
+
+        Position position = new Position(getProtocolName());
+        position.setDeviceId(deviceSession.getDeviceId());
+
+        JsonObject location = root.getJsonObject("location");
+
+        position.setTime(DateUtil.parseDate(location.getString("timestamp")));
+
+        if (location.containsKey("coords")) {
+            JsonObject coordinates = location.getJsonObject("coords");
+            position.setLatitude(coordinates.getJsonNumber("latitude").doubleValue());
+            position.setLongitude(coordinates.getJsonNumber("longitude").doubleValue());
+            position.setAccuracy(coordinates.getJsonNumber("accuracy").doubleValue());
+            position.setSpeed(coordinates.getJsonNumber("speed").doubleValue());
+            position.setCourse(coordinates.getJsonNumber("heading").doubleValue());
+            position.setAltitude(coordinates.getJsonNumber("altitude").doubleValue());
+        }
+
+        if (location.containsKey("event")) {
+            position.set(Position.KEY_EVENT, location.getString("event"));
+        }
+        if (location.containsKey("is_moving")) {
+            position.set(Position.KEY_MOTION, location.getBoolean("is_moving"));
+        }
+        if (location.containsKey("odometer")) {
+            position.set(Position.KEY_ODOMETER, location.getInt("odometer"));
+        }
+        if (location.containsKey("mock")) {
+            position.set("mock", location.getBoolean("mock"));
+        }
+        if (location.containsKey("activity")) {
+            position.set("activity", location.getJsonObject("activity").getString("type"));
+        }
+        if (location.containsKey("battery")) {
+            JsonObject battery = location.getJsonObject("battery");
+            position.set(Position.KEY_BATTERY_LEVEL, (int) (battery.getJsonNumber("level").doubleValue() * 100));
+            position.set(Position.KEY_CHARGE, battery.getBoolean("is_charging"));
+        }
+
+        sendResponse(channel, HttpResponseStatus.OK);
+        return position;
+    }
+
+}