public function actionIndex()
{
$options = GFNLinkProxy_Options::getInstance();
if ($referer = $this->_request->getHeader('referer')) {
if ($options->get('blockInvalidReferrer')) {
if ($host = parse_url($referer, PHP_URL_HOST)) {
if (!in_array($host, array($this->_request->getServer('SERVER_NAME'), parse_url(XenForo_Application::getOptions()->get('boardUrl'), PHP_URL_HOST)))) {
return $this->responseNoPermission();
}
}
}
}
$url = base64_decode($this->_input->filterSingle('to', XenForo_Input::STRING));
if (!$url) {
return $this->responseNoPermission();
}
if (!parse_url($url)) {
return $this->responseNoPermission();
}
if ($options->get('enableAutoRedirect')) {
if ($options->get('autoRedirectDelay') == 0) {
return $this->responseRedirect(XenForo_ControllerResponse_Redirect::RESOURCE_CANONICAL, $url);
}
$title = $options->get('autoRedirectTitle');
$message = $this->_parseMessage($options->get('autoRedirectMessage'), array('board' => XenForo_Application::getOptions()->get('boardTitle'), 'boardUrl' => XenForo_Application::getOptions()->get('boardUrl'), 'url' => $url, 'delay' => '<span class="delay">' . $options->get('autoRedirectDelay') . '</span>'));
} else {
$title = $options->get('title');
$message = $this->_parseMessage($options->get('message'), array('board' => XenForo_Application::getOptions()->get('boardTitle'), 'boardUrl' => XenForo_Application::getOptions()->get('boardUrl'), 'url' => $url));
}
$viewParams = array('url' => $url, 'referer' => $referer ? $referer : XenForo_Application::getOptions()->get('boardUrl'), 'title' => $title, 'message' => $message, 'autoRedirect' => $options->get('enableAutoRedirect'), 'delay' => $options->get('autoRedirectDelay'));
return $this->responseView('GFNLinkProxy_ViewPublic_Redirect', 'gfnlinkproxy_redirect', $viewParams);
}
public static function getInstance()
{
if (!self::$_instance) {
self::$_instance = new GFNCore_Helper_Options('gfnlinkproxy');
}
return self::$_instance;
}
protected static function _protocolWhiteListed($link)
{
static $whiteList = null;
if ($whiteList === null) {
$whiteList = GFNLinkProxy_Options::getInstance()->get('whiteListProtocol');
$whiteList = preg_split('/\\r?\\n/', $whiteList, PREG_SPLIT_NO_EMPTY);
foreach ($whiteList as $k => &$v) {
$v = trim($v);
if (empty($v)) {
unset($whiteList[$k]);
}
}
}
foreach ($whiteList as $check) {
if (strpos($link, $check) === 0) {
return true;
}
}
return false;
}
