<?php
header('Access-Control-Allow-Origin: https://qlcvea.altervista.org');
header('Content-Type: application/json');

if ($_SERVER['REQUEST_METHOD'] == 'OPTIONS') {
  http_response_code(204);
  die();
}

if (isset($_GET['getself'])) {
  header('Content-Type: text/plain');
  header('Content-Disposition: attachment;filename="server.php"');
  $fh = fopen(__FILE__, 'r');
  fpassthru($fh);
  fclose($fh);
  die();
}

if (!isset($_GET['code'])) {
  http_response_code(400);
  die(json_encode([
    'proxyError' => 'missing_information',
    'proxyErrorData' => 'code'
  ]));
}

file_put_contents('counter.txt', (int)file_get_contents('counter.txt') + 1);

$reqdata = json_encode([
  'codiceSpedizione' => $_GET['code'],
  'periodoRicerca' => 1,
  'tipoRichiedente' => 'APP'
]);

$curlopts = array(
  CURLOPT_COOKIE => 'cookie_pi_accept=true',
  CURLOPT_ENCODING => '',
  CURLOPT_FORBID_REUSE => 1,
  CURLOPT_FRESH_CONNECT => 1,
  CURLOPT_HEADER => 0,
  CURLOPT_HTTPHEADER => [
    'Accept: application/json',
    'Accept-Language: it-IT,it',
    'Cache-Control: max-age=0',
    'Content-Length: ' . strlen($reqdata),
    'Content-Type: application/json;charset=utf-8',
    'DNT: 1',
    'Host: www.poste.it',
    'Origin: https://www.poste.it',
    'Referer: https://www.poste.it/cerca/index.html'
  ],
  CURLOPT_POST => 1,
  CURLOPT_POSTFIELDS => $reqdata,
  CURLOPT_RETURNTRANSFER => 1,
  CURLOPT_TIMEOUT => 4,
  CURLOPT_URL => 'https://www.poste.it/online/dovequando/DQ-REST/ricercasemplice',
  CURLOPT_USERAGENT => 'Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/75.0.3770.142 Safari/537.36'
);

$ch = curl_init();
curl_setopt_array($ch, $curlopts);
if(!$result = curl_exec($ch)) {
  http_response_code(400);
  die(json_encode([
    'proxyError' => 'curl_error',
    'proxyErrorData' => curl_error($ch)
  ]));
}
$respcode = curl_getinfo($ch, CURLINFO_HTTP_CODE);
curl_close($ch);

http_response_code($respcode);

die($result);