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<?php
/**
* Bitrix Security Module
* @package Bitrix
* @subpackage Security
* @copyright 2001-2013 Bitrix
* @since File available since 14.0.0
*/
namespace Bitrix\Security\Filter;
use Bitrix\Main\Type\IRequestFilter;
/**
* Filter for Server variables, such as $_SERVER["REQUEST_URI"]
*
* @package Bitrix\Security\Filter
* @since 14.0.0
*/
class Server
extends Request
implements IRequestFilter
{
protected $interestingKeys = array('REQUEST_URI', 'QUERY_STRING', 'SCRIPT_URL', 'SCRIPT_URI', 'PHP_SELF');
/**
* Return filtered values or null if auditors not triggered (by default)
*
* @example tests/security/filter/serverfilter.php
* @param array $values Array of values to be checked.
* @param bool $isReturnChangedOnly If true - return values only if it changed by some auditors, otherwise return null.
* @return array|null
*/
public function filter(array $values, $isReturnChangedOnly = true)
{
$this->onFilterStarted();
foreach ($values as $key => &$val)
{
if (
mb_substr($key, 0, 5) === 'HTTP_'
|| in_array($key, $this->interestingKeys, true)
)
{
$val = $this->filterVar('server', $val, '$_SERVER["'.$key.'"]');
}
}
unset($val);
$this->onFilterFinished();
if (!$isReturnChangedOnly || isset($this->changedContext['server']))
return $values;
else
return null;
}
}