<?php
$username = $_GET['user'];
$password = $_GET['pass'];
$loginUrl = 'https://onenetsamoobsluha.vodafone.cz/onsc/login/wicket:interface/:0:form::IFormSubmitListener::';

$ch = curl_init();

curl_setopt($ch, CURLOPT_URL, $loginUrl);
curl_setopt($ch, CURLOPT_POST, 1);
curl_setopt($ch, CURLOPT_POSTFIELDS, 'login='.$username.'&password='.$password.'');
curl_setopt($ch, CURLOPT_COOKIEJAR, 'cookie.txt');
curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);

$output = curl_exec($ch);

curl_setopt($ch, CURLOPT_URL, 'https://onenetsamoobsluha.vodafone.cz/onsc/services/data/data-tariffs');
$content = curl_exec($ch);
$content = str_replace("../../", "https://onenetsamoobsluha.vodafone.cz/onsc/", $content);

echo $content;
?>