<?php

$username="korpelatunnus";
$password="xxxx";
$customercode="40XXX"; // asiakasnumero
$pointcode="10200XXX"; // käyttöpaikkanumero

$cookiefile = tempnam("/tmp", "korpelanvoima");

// 1 Get RequestVerificationToken
$ch = curl_init();
curl_setopt($ch, CURLOPT_URL,  "https://asiakkaat.korpelanvoima.fi/");
//curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, false); /* man-in-the-middle */
//curl_setopt($ch, CURLOPT_PROXY, "http://127.0.0.1:8080");
curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
curl_setopt($ch, CURLOPT_COOKIEFILE, $cookiefile);
curl_setopt($ch, CURLOPT_COOKIEJAR, $cookiefile);
curl_setopt($ch, CURLOPT_FOLLOWLOCATION, true); 
$result=curl_exec ($ch);
if (preg_match("/__RequestVerificationToken\" type=\"hidden\" value=\"(.*)\" /", $result, $out)) {
  $rvt=trim($out["1"]);
} else die("RVT not found. Cannot proceed to login. Exit.");

// 2 Authenticate
curl_setopt($ch, CURLOPT_URL, "https://asiakkaat.korpelanvoima.fi/eServices/Online/Login");
$data=array("__RequestVerificationToken" => $rvt, 
            "username" => $username,
            "password" => $password
);
$query = http_build_query($data, '', '&');
curl_setopt($ch, CURLOPT_POSTFIELDS, $query);
$result=curl_exec ($ch);

// 3 Get kWh data
curl_setopt($ch, CURLOPT_URL,"https://asiakkaat.korpelanvoima.fi/Reporting/SessionlessConsumption/SessionlessGetHourlyConsumption");
curl_setopt($ch, CURLOPT_POST, true);
curl_setopt($ch, CURLOPT_POSTFIELDS, "customerCode=".$customercode."&networkCode=KVK000&meteringPointCode=".$pointcode."&enableTemperature=false&enablePriceSeries=false&enableTemperatureCorrectedConsumption=false&mpSourceCompanyCode=&activeTarificationId=");
$result=curl_exec($ch);
curl_close($ch);
unlink($cookiefile);
echo $result;