Copyright (c) 2010 Internet Archive. Software license AGPL version 3. This file is part of BookReader. BookReader is free software: you can redistribute it and/or modify it under the terms of the GNU Affero General Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version. BookReader is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Affero General Public License for more details. You should have received a copy of the GNU Affero General Public License along with BookReader. If not, see . */ require_once('BookReaderImages.inc.php'); function BRfatal($message) { header("HTTP/1.0 404 Not Found"); header("Content-type: text/plain"); print $message; die(-1); } $allowedPages = array('title','cover','cover0','preview'); $allowedPattern = '#^(' . join('|', $allowedPages) . ')#'; $page = $_REQUEST['page']; if (preg_match($allowedPattern, $page)) { // Return image data $bri = new BookReaderImages(); try { $bri->serveLookupRequest($_REQUEST); } catch (Exception $e) { header("HTTP/1.0 404 Not Found"); header("Content-type: text/plain"); print "Error serving request:\n"; print " " . $e->getMessage() . "\n\n"; print "Debugging information:\n"; echo $e->getTraceAsString(); } } else { BRfatal("Bad or no page specified"); } ?>