public function getGlobal($global)
{
if (wfWAFUtils::strpos($global, '.') === false) {
return null;
}
list($prefix, $_global) = explode('.', $global);
switch ($prefix) {
case 'request':
$method = "get" . ucfirst($_global);
if (method_exists('wfWAFRequestInterface', $method)) {
return call_user_func(array($this->getRequest(), $method));
}
break;
case 'server':
$key = wfWAFUtils::strtoupper($_global);
if (isset($_SERVER) && array_key_exists($key, $_SERVER)) {
return $_SERVER[$key];
}
break;
}
return null;
}
/**
* @return string
* @throws wfWAFRuleLogicalOperatorException
*/
public function render()
{
if (!$this->isValid()) {
throw new wfWAFRuleLogicalOperatorException(sprintf('Invalid logical operator "%s", must be one of %s', $this->getOperator(), join(", ", $this->validOperators)));
}
return sprintf("new %s(%s)", get_class($this), var_export(trim(wfWAFUtils::strtoupper($this->getOperator())), true));
}
/**
* @return string
*/
public function getUpperCaseValue()
{
return wfWAFUtils::strtoupper($this->getValue());
}
