ucvs_listener.php

<?php
	/***************************************/
	/* UCVS - Unified Callback Vote Script */
	/*		Written by LemoniscooL		   */
	/*	 released under GPLv3 license	   */
	/***************************************/


	/*=================================================================================*/
	/* Debug settings																   */
	/* These settings are solely for debug purposes, dont change anything here!		   */
	/*=================================================================================*/

	//Uncomment to show all errors
	error_reporting(E_ALL);

	//in case no errors are shown uncomment this
	ini_set("display_errors", 1);

	require_once("autoload.php");

	$ucvs = new ucvsCore();

	//Check wich request method was used and create a reference
	switch($_SERVER['REQUEST_METHOD'])
	{
		case 'GET':
			$the_request = &$_GET;
		break;
		
		case 'POST':
			$the_request = &$_POST;
		break;
	}

	//store requesting IP in a variable | compatibility with CloudFlare
	$reqIP = isset($_SERVER['HTTP_CF_CONNECTING_IP']) ? $_SERVER['HTTP_CF_CONNECTING_IP'] : $_SERVER['REMOTE_ADDR'];

	//Check if requesting IP is whitelisted
	$check = $ucvs->checkIP($reqIP);
	if($check != true)
	{
		cLog::Log("Wrong IP requested UCVS! - IP: " . $reqIP);
		die('Wrong IP!');
	}
	else 
	{
		$result = $ucvs->procData($the_request, $reqIP);
		if($result !== true)
		{
			cLog::Log("Error while processing data: " . $result . " - User ID: " . $ucvs->getUser($the_request) . " Site: " . $ucvs->getSite($reqIP));
			echo $result;
		}
		else
		{
			cLog::Log("Valid UCVS request finished successfull" . " - User ID: " . $ucvs->getUser($the_request) . " Site: " . $ucvs->getSite($reqIP));
			echo 'OK';
		}
	}
?>