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proxy.php
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proxy.php
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<?php
error_reporting(E_ALL);
require 'vendor/autoload.php';
use Symfony\Component\HttpFoundation\Request;
use Symfony\Component\HttpFoundation\Response;
use GuzzleHttp\Client;
define('API_KEY', 'YOUR_API_KEY_GOES_HERE');
define('MAX_NUM_OF_COORDS', 30);
$request = Request::createFromGlobals();
$response = new Response();
if (strpos($request->headers->get('Content-Type'), 'application/json') === 0) {
$data = json_decode($request->getContent(), true);
$request->request->replace(is_array($data) ? $data : array());
}
/**
* Check if coordinates are valid
*
* @param array $coordinates
* @return boolean
*/
function areCoordinatesValid($coordinates)
{
$coordsValid = true;
if (is_array($coordinates)
&& !empty($coordinates)
&& count($coordinates) <= MAX_NUM_OF_COORDS) {
$coordValidationRes = array_reduce($coordinates, function($carry, $item) {
if ((is_float($item[0]) || is_int($item[0]))
&& (is_float($item[1]) || is_int($item[1]))
&& $item[0] <= 180
&& $item[0] >= -180
&& $item[1] <= 90
&& $item[1] >= -90) {
return $carry && true;
}
else {
return false;
}
}, true);
if (!$coordValidationRes) {
$coordsValid = false;
}
}
else {
$coordsValid = false;
}
return $coordsValid;
}
/**
* Check if the profile is valid
*
* @param string $profile
* @return boolean
*/
function isProfileValid($profile)
{
if (!in_array($profile, ['driving-car', 'foot-walking'])) {
return false;
}
else {
return true;
}
}
if ($request->getRequestUri() === '/multipoint') {
$client = new Client([
// Base URI is used with relative requests
'base_uri' => 'https://api.openrouteservice.org',
// You can set any number of default request options.
'timeout' => 10.0,
]);
$coordinates = $request->request->get('coordinates', null);
$profile = $request->request->get('profile', null);
// Validate input
if (!areCoordinatesValid($coordinates) || !isProfileValid($profile)) {
error_log('Invalid data sent.' . var_export($coordinates, true)
. ' ' . var_export($profile, true));
$response->setStatusCode(400);
$response->send();
exit();
}
$radiuses = [];
foreach($coordinates as $val) {
$radiuses[] = -1;
}
$apiResponse = $client->request('POST', '/v2/directions/' . $profile . '/geojson', [
'headers' => [
'Authorization' => API_KEY
],
'json' => [
'coordinates' => $coordinates,
'radiuses' => $radiuses
],
'http_errors' => false
]);
if ($apiResponse->getStatusCode() !== 200) {
error_log('Open Route Service API call failed with error : "'
. $apiResponse->getStatusCode() . ' ' . $apiResponse->getReasonPhrase() . '.'
. ' ' . $apiResponse->getBody() . '".');
$response->setStatusCode(500);
}
else {
$response->setStatusCode(200);
$response->headers->set('Content-Type', 'application/json; ' . 'charset=UTF-8');
$response->setContent($apiResponse->getBody());
}
$response->send();
exit();
}
else {
return false;
}