You can access the page at: ' . $url); } // mask visits to *.piwik.org if (!self::isPiwikUrl($url)) { Piwik::checkUserHasSomeViewAccess(); } if (!UrlHelper::isLookLikeUrl($url)) { die('Please check the &url= parameter: it should to be a valid URL'); } @header('Content-Type: text/html; charset=utf-8'); echo ''; exit; } /** * Validate URL against *.piwik.org domains * * @param string $url * @return bool True if valid; false otherwise */ static public function isPiwikUrl($url) { // guard for IE6 meta refresh parsing weakness (OSVDB 19029) if (strpos($url, ';') !== false || strpos($url, ';') !== false ) { return false; } if (preg_match('~^http://(qa\.|demo\.|dev\.|forum\.)?piwik.org([#?/]|$)~', $url)) { return true; } // Allow clockworksms domain if (strpos($url, 'http://www.clockworksms.com/') === 0) { return true; } return false; } }