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<?php
/* Icinga Web 2 | (c) 2013 Icinga Development Team | GPLv2+ */
namespace Icinga\Web\Helper;
use Icinga\Web\Request;
/**
* Helper Class Cookie
*/
class CookieHelper
{
/**
* The name of the control cookie
*/
const CHECK_COOKIE = '_chc';
/**
* The request
*
* @var Request
*/
protected $request;
/**
* Create a new cookie
*
* @param Request $request
*/
public function __construct(Request $request)
{
$this->request = $request;
}
/**
* Check whether cookies are supported or not
*
* @return bool
*/
public function isSupported()
{
if (! empty($_COOKIE)) {
$this->cleanupCheck();
return true;
}
$url = $this->request->getUrl();
if ($url->hasParam('_checkCookie') && empty($_COOKIE)) {
return false;
}
if (! $url->hasParam('_checkCookie')) {
$this->provideCheck();
}
return false;
}
/**
* Prepare check to detect cookie support
*/
public function provideCheck()
{
setcookie(self::CHECK_COOKIE, '1');
$requestUri = $this->request->getUrl()->addParams(array('_checkCookie' => 1));
$this->request->getResponse()->redirectAndExit($requestUri);
}
/**
* Cleanup the cookie support check
*/
public function cleanupCheck()
{
if ($this->request->getUrl()->hasParam('_checkCookie') && isset($_COOKIE[self::CHECK_COOKIE])) {
$requestUri =$this->request->getUrl()->without('_checkCookie');
$this->request->getResponse()->redirectAndExit($requestUri);
}
}
}
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