| alpha--util--filters

# Source for file ClientBlacklistFilter.inc Documentation is available at ClientBlacklistFilter.inc <?php require_once $config->get('sysRoot').'alpha/util/filters/AlphaFilterInterface.inc'; require_once $config->get('sysRoot').'alpha/model/BlacklistedClientObject.inc'; require_once $config->get('sysRoot').'alpha/exceptions/BONotFoundException.inc'; require_once $config->get('sysRoot').'alpha/exceptions/ResourceNotAllowedException.inc'; /** * Class for filtering requests from blacklisted HTTP clients * * @package alpha::util::filters * @since 1.0 * @author John Collins <dev@alphaframework.org> * @version $Id: ClientBlacklistFilter.inc 1341 2011-03-17 15:02:02Z johnc $ * @license http://www.opensource.org/licenses/bsd-license.php The BSD License * @copyright Copyright (c) 2011, John Collins (founder of Alpha Framework). * All rights reserved. * * <pre> * Redistribution and use in source and binary forms, with or * without modification, are permitted provided that the * following conditions are met: * * * Redistributions of source code must retain the above * copyright notice, this list of conditions and the * following disclaimer. * * Redistributions in binary form must reproduce the above * copyright notice, this list of conditions and the * following disclaimer in the documentation and/or other * materials provided with the distribution. * * Neither the name of the Alpha Framework nor the names * of its contributors may be used to endorse or promote * products derived from this software without specific * prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND * CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. * </pre> * */ class ClientBlacklistFilter implements AlphaFilterInterface { /** * Trace logger * * @var Logger * @since 1.0 */ private static $logger = null; /** * Constructor * * @since 1.0 */ public function __construct() { self::$logger = new Logger('ClientBlacklistFilter'); } /** * (non-PHPdoc) * @see alpha/util/filters/AlphaFilterInterface#process() * * @throws ResourceNotAllowedException */ public function process() { $client = $_SERVER['HTTP_USER_AGENT']; if(!empty($client)) { $badClient = new BlacklistedClientObject(); try { $badClient->loadByAttribute('client', $client); }catch (BONotFoundException $bonf) { // client is not on the list! return; } // if we got this far then the client is bad self::$logger->warn('The client ['.$client.'] was blocked from accessing the resource ['.$_SERVER['REQUEST_URI'].']'); throw new ResourceNotAllowedException('Not allowed!'); } } } ?> Documentation generated on Thu, 17 Mar 2011 16:43:57 +0000 by phpDocumentor 1.4.3