<?php

/**

*

* This program is free software; you can redistribute it and/or

* modify it under the terms of the GNU General Public License

* as published by the Free Software Foundation; under version 2

* of the License (non-upgradable).

*

* This program 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 General Public License for more details.

*

* You should have received a copy of the GNU General Public License

* along with this program; if not, write to the Free Software

* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.

*

* Copyright (c) 2013 (original work) Open Assessment Technologies SA (under the project TAO-PRODUCT);

*

*

*/

require_once __DIR__ . '/../vendor/autoload.php';

use oat\tao\model\websource\FlyTokenWebSource;

use oat\oatbox\filesystem\FileSystemService;

use oat\tao\model\mvc\Bootstrap;

$url = $_SERVER['REQUEST_URI'];

$rel = substr($url, strpos($url, FlyTokenWebSource::ENTRY_POINT) + strlen(FlyTokenWebSource::ENTRY_POINT));

$parts = explode('/', $rel, 2);

list($webSourceId) = $parts;

$webSourceId = preg_replace('/[^a-zA-Z0-9]*/', '', $webSourceId);

$root = dirname(__DIR__);

$bootstrap = new Bootstrap($root . DIRECTORY_SEPARATOR . 'config' . DIRECTORY_SEPARATOR . 'generis.conf.php');

$serviceManager = $bootstrap->getServiceLocator();

common_Logger::singleton()->register();

/** @var common_ext_ExtensionsManager $e */

$e = $serviceManager->get(common_ext_ExtensionsManager::SERVICE_ID);

$config = $e->getExtensionById('tao')->getConfig('websource_' . $webSourceId);

//$config = include $configPath;

if (!is_array($config) || !isset($config['className'])) {

header('HTTP/1.0 403 Forbidden');

die();

}

$className = $config['className'];

$options = isset($config['options']) ? $config['options'] : [];

$source = new $className($options);

if (!$source instanceof FlyTokenWebSource) {

header('HTTP/1.0 403 Forbidden');

die();

}

$fsService = $serviceManager->get(FileSystemService::SERVICE_ID);

$fileSystem = $fsService->getFileSystem($source->getOption($source::OPTION_FILESYSTEM_ID));

$source->setFileSystem($fileSystem);

try {

$ttl = isset($options['ttl']) && $options['ttl'] ? $options['ttl'] : (30 * 60); //30 min default

$path = $source->getFilePathFromUrl($url);

$stream = $source->getFileStream($path);

header('Expires: ' . gmdate('D, d M Y H:i:s \G\M\T', time() + $ttl));

tao_helpers_Http::returnStream($stream, $source->getMimetype($path));

$stream->detach();

} catch (\tao_models_classes_FileNotFoundException $e) {

header("HTTP/1.0 404 Not Found");

}

exit();