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‎README.md

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# Takcar
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small PHP script to take lat long from Traccar and Show them in the FreeTakServer
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# TAKCAR
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[<img src="img/f12.png" width="800"/>](img/f12.png)
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Quick and dirty example of importing **Traccar** `Lon`, `Lat` coordinates into the **FreeTakServer**.
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On page load the script automatically begins a loop getting lat,lon from *Traccar* and posting them to *FTS*.
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The `Test Service` button just tests to see that you can see a result on *FTS*.
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```JSON
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{
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"uid": "999b5874-1ebf-11zz-9e70-4e58de281c19",
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"how": "nonCoT",
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"name": "POTUS",
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"longitude": -77.01385,
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"latitude": 38.889,
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"role": "Team Member",
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"team": "Yellow"
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}
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```
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## STEPS
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1. create an account and API Token in Traccar.
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2. Use the `positions` endpoint in Traccar to get the *latitude* and *longitude* into vars.
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```HTTP
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http://127.0.0.1:8082/api/positions?token=Fm9OhNJS7SShyw80M8kdqKMcSiOuqqhA
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```
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3. Using the `postPresence` endpoint in the FreeTakServer Import the *latitude* and *longitude* vars into FreeTakServer.
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```HTTP
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http://127.0.0.1:19023/ManagePresence/postPresence
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```
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## Notes
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The scripts assume `19023` is the *FTS* API port and that `8082` is the *Traccar* API port.
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It is also assumed that the scripts are running on the same machine as *FTS* and *Traccar*.
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As long as the page is open the loop will continue to run but will stop on close.

‎img/f12.png

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‎index.php

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<!DOCTYPE html>
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<html>
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<head>
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<title>TAKCAR SERVICE</title>
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<!-- Optional theme -->
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<link rel="stylesheet" href="https://stackpath.bootstrapcdn.com/bootswatch/4.5.2/darkly/bootstrap.min.css">
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<!-- Jquery -->
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<script src="https://ajax.googleapis.com/ajax/libs/jquery/3.5.1/jquery.min.js"></script>
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<!-- Latest compiled and minified JavaScript -->
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<script src="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.7/js/bootstrap.min.js"></script>
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</head>
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<body>
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<br>
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<div class="container-fluid">
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<div class="row">
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<h1 class="col-md-12">TAKCAR</h1>
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</div>
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<div class="row">
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<h6 class="col-md-12">Quick and dirty example of importing Traccar Lon, Lat coordinates into the FreeTakServer.</h6>
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</div>
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<div class="row">
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<div class="col-lg-6">
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<div class="bs-component">
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<div class="form-group">
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<br>
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<button id="testFunction" type="button" onclick="testFunction()" class="btn btn-primary">Test Service</button>
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<p id="data" style="margin:10px;"></p>
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<br>
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<!-- <table id="table" class="table table">
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<thead>
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<tr>
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<th scope="col">#</th>
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<th scope="col">Result</th>
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<th scope="col">Time</th>
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<th scope="col">Data</th>
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</tr>
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</thead>
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<tbody>
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<tr>
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<th scope="row">1</th>
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<td style="color:;"></td>
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<td></td>
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<td></td>
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</tr>
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</tbody>
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</table> -->
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</div>
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</div>
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</div>
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</div>
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<script>
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if(typeof(EventSource) !== "undefined") {
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//set endpoint
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var source = new EventSource("serverUpdater.php");
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//prints onmessage result to console
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source.addEventListener('message', function(e) {
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//console.log("message", e.data);
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var inputChecked;
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//Parse the JSON data
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const obj = JSON.parse(e.data);
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//console.log(obj);
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if(obj.result == 0)
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{
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//loop through each device
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$.each(obj.eud[0].message, function(key , devices){
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var table = new Device(devices);
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//display in table in console
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console.table(table);
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});
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}
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}, false);
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function Device(device) {
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this.device = device;
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}
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} else {
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document.getElementById("result").innerHTML = "Sorry, your browser does not support server-sent events...";
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}
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function uuidv4() {
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//Generate GUID
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return ([1e7]+-1e3+-4e3+-8e3+-1e11).replace(/[018]/g, c =>
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(c ^ crypto.getRandomValues(new Uint8Array(1))[0] & 15 >> c / 4).toString(16)
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);
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}
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// function to handle success
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function success() {
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//var data = JSON.parse(this.responseText); //parse the string to JSON
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//console.log('Success:', data);
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alert('Success: ' + JSON.stringify(this.responseText));
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}
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// function to handle error
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function error(err) {
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console.log('Request Failed', err); //error details will be in the "err" object
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alert('Failed: ' + JSON.stringify(err));
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}
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var Authorization = "Bearer token";
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function testFunction(){
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var xhr = new XMLHttpRequest(); //invoke a new instance of the XMLHttpRequest
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xhr.onload = success; // call success function if request is successful
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xhr.onerror = error; // call error function if request failed
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var json = {uid: uuidv4(),
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how: "nonCoT",
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name: "POTUS",
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longitude: -77.01385,
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latitude: 38.889,
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role: "Team Member",
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team: "Yellow"};//JSON object
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xhr.open('POST', 'http://127.0.0.1:19023/ManagePresence/postPresence', true); // open a GET request
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xhr.setRequestHeader('Content-Type', 'application/json;charset=UTF-8');//application/json;charset=UTF-8
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xhr.setRequestHeader('Authorization', Authorization);//application/json;charset=UTF-8
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xhr.send(JSON.stringify(json)); // send the request to the server.
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}
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</script>
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</body>
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</html>

‎serverUpdater.php

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<?php
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// set headers
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header('Content-Type: text/event-stream');
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header('Cache-Control: no-cache');
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header('Connection: keep-alive');
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//get the session cookie
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$session = json_encode(get_TraccarSession("http://127.0.0.1:8082/api/session?token=hdbtrsy6576hyw84567cSiOuqqhA"));
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$api_result = json_decode($session, true);
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$JSESSIONID = $api_result['JSESSIONID'];
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//get the Traccar positions
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$positions = get_TraccarPosition("http://127.0.0.1:8082/api/positions?token=hdbtrsy6576hyw84567cSiOuqqhA",$JSESSIONID);
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$json = json_decode($positions);
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//loop through the positions
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foreach($json as $key => $item){
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// $markers[] = json_encode(
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// array(
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// 'id' => $item->id,
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// 'latitude' => $item->latitude,
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// 'longitude' => $item->longitude,
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// 'batteryLevel' => $item->attributes->battery,
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// 'Time' => date("Y-m-d h:i:sa")
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// )
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// );
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//forward the positions to the FTS API endpoint
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$result = get_FTSAPI($item->id, $item->latitude, $item->longitude);
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$markers[] = json_encode(
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array(
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'result' => 0,
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'guid' => $result,
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'Time' => date("Y-m-d h:i:sa")
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)
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);
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}
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$JSON = json_encode(
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array(
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'result' => 0,
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'message' => $markers,
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'Time' => date("Y-m-d h:i:sa"),
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)
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);
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//return the JSON results
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echo "data: {\"result\": 0,\"eud\":[{$JSON}]}\n\n";
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flush();
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die();
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function get_TraccarSession($url) {
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file_get_contents($url);
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$cookies = array();
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//search for all cookies and return; we only need `JSESSIONID`
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foreach ($http_response_header as $hdr) {
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if (preg_match('/^Set-Cookie:\s*([^;]+)/', $hdr, $matches)) {
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parse_str($matches[1], $tmp);
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$cookies += $tmp;
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}
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}
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return $cookies;
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}
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function get_TraccarPosition($url,$JSESSIONID) {
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//set the headers and cookie
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$opts = array(
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'http'=>array(
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'method'=>"GET",
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'header'=>"Accept-language: en\r\n" .
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"Cookie: JSESSIONID=$JSESSIONID\r\n"
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)
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);
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$context = stream_context_create($opts);
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// Open the file using the HTTP headers set above
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$file = file_get_contents($url, false, $context);
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return $file;
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}
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function get_FTSAPI($id, $latitude, $longitude) {
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//http://127.0.0.1:19023/ManagePresence/putPresence
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//http://127.0.0.1:19023/ManagePresence/postPresence
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$url = "http://127.0.0.1:19023/ManagePresence/postPresence";
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//FTS Bearer token
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$token = "Bearer token";
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//generate GUID
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$guid = vsprintf('%s%s-%s-4000-8%.3s-%s%s%s0',str_split(dechex( microtime(true) * 1000 ) . bin2hex( random_bytes(8) ),4));
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//Json data to post
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$postData = array(
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"uid" => $guid,
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"how" => "nonCoT",
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"name" => "id".$id,
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"longitude" => $longitude,
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"latitude" => $latitude,
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"role" => "Team Member",
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"team" => "Red"
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);
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// for sending data as json type
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$fields = json_encode($postData);
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$ch = curl_init($url);
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//set cURL options
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curl_setopt(
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$ch,
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CURLOPT_HTTPHEADER,
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array(
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'Content-Type: application/json',
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'Authorization: '.$token
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)
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);
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curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
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curl_setopt($ch, CURLOPT_SSL_VERIFYHOST, 2);
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curl_setopt($ch, CURLOPT_POSTFIELDS, $fields);
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//execute cURL call
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$result = curl_exec($ch);
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curl_close($ch);
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return $result;
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}
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?>

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