Check account status from the T-mobile CZ prepaid

getaccount.php

<?php

$creds = array(
  'username'=>'account@example.com',
  'password'=>'MyPassWord123'
);

$postvars = '';
foreach($creds as $key=>$value) {
    $postvars .= $key . "=" . $value . "&";
}

// login and fetch auth related cookies
$ch = curl_init('https://www.t-mobile.cz/.gang/login');
curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
curl_setopt($ch, CURLOPT_POST, 1);
curl_setopt($ch, CURLOPT_POSTFIELDS, $postvars);
curl_setopt($ch, CURLOPT_HTTPHEADER, array("Cookie: gPcookie=1; "));
// Ask for the callback.
curl_setopt($ch, CURLOPT_HEADERFUNCTION, "curlResponseHeaderCallback");
$cookies = Array();
$result = curl_exec($ch);

switch ($http_code = curl_getinfo($ch, CURLINFO_HTTP_CODE)) {
  case 302:  // if user/password matches there is redirects to another page
    break;
  default:
    die('FATAL: Unexpected HTTP code: '. $http_code. ", check username/password\n");
}

foreach($cookies as $v){
  $tmp=explode('=',$v[1],2);
  $cookie_arr[$tmp[0]]=$tmp[1];
}
curl_close($ch);

// validate that we got all required cookies
$fields_req=array("JSESSIONID","gftCookie","gTcookie","gAcookie","gScookie");
foreach ($fields_req as $key) {
  if(!isset($cookie_arr[$key])) {
    die("FATAL: Unable to get cookie: $key\n");
  }
}

// cookies expected on every request
$theader=array("Cookie: AJAXIBLE_JAVASCRIPT_ENABLED=true; gPcookie=1; JSESSIONID=".
  $cookie_arr["JSESSIONID"]."; gftCookie=".$cookie_arr["gftCookie"].
  "; gTcookie=".$cookie_arr["gTcookie"]."; gAcookie=".$cookie_arr["gAcookie"].
  "; gScookie=".$cookie_arr["gScookie"].";");

// getting lazy block id to fetch balance block
$ch = curl_init("https://www.t-mobile.cz/muj-t-mobile/-/module/myTariff?_rcorevccm_WAR_vcc_menu=mainmenu&_rcorevccm_WAR_vcc_menuCode=myTariff");
curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
curl_setopt($ch, CURLOPT_HTTPHEADER, $theader);
$result = curl_exec($ch);
if(!preg_match('/ data-lazy-loading="{&quot;rk&quot;:&quot;(\d+)&quot;}" id="(\d+)"/', $result, $lazy_ids)){
  die("FATAL: Unable to get lazy block ids\n");
}
curl_close($ch);

// getting actual balance frame
$ch = curl_init('https://www.t-mobile.cz/muj-t-mobile/-/module/myTariff?p_p_id=rcorevccm_WAR_vcc&p_p_lifecycle=0&p_p_state=exclusive&p_p_mode=view&p_p_col_id=column-1&p_p_col_count=1&_rcorevccm_WAR_vcc_moduleCode=myTariff&_rcorevccm_WAR_vcc_lazyLoading=true&_rcorevccm_WAR_vcc_componentIds='.$lazy_ids[1].'.'.$lazy_ids[2]);
curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
curl_setopt($ch, CURLOPT_POST, 1);
curl_setopt($ch, CURLOPT_HTTPHEADER, $theader);
$result = curl_exec($ch);
curl_close($ch);

// normalize
$result=preg_replace('/\s+/'," ",$result);

if(!preg_match('/Výše kreditu<\/div> <\/th> <td class="text-right"> <div class="text-xlarge"> <strong>([\d,]+)<\/strong>/', $result, $matches)){
  die("FATAL: Unable to get balance\n");
}
$balance=(float)str_replace(",",".",$matches[1]);
printf("Balance: %01.2f CZK\n", $balance);

// callback to get cooikes
function curlResponseHeaderCallback($ch, $headerLine) {
    global $cookies;
    if (preg_match('/^Set-Cookie:\s*([^;]*)/mi', $headerLine, $cookie) == 1)
        $cookies[] = $cookie;
    return strlen($headerLine); // Needed by curl
}

?>