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<?php
/**
* Output plugin assets
*
* This will load and output plugin assets. For now, this will be the
* compiled LESS files of plugins.
* All served assets will set the appropriate headers so that the browser
* will cache the assets for a certain amount of time.
*
* @author Jan-Hendrik Willms <tleilax+studip@gmail.com>
* @license GPL2 or any later version
* @since Stud.IP 3.4
*/
use Psr\Http\Message\ResponseInterface;
use Psr\Http\Message\ServerRequestInterface;
use Slim\Factory\AppFactory;
require_once __DIR__ .'/../lib/bootstrap.php';
// Build PHP_DI Container
$container = app();
// Instantiate the app
AppFactory::setContainer($container);
$app = AppFactory::create();
$app->setBasePath($GLOBALS['CANONICAL_RELATIVE_PATH_STUDIP'] . 'assets.php');
$app->get('/{type:js|css}/{id}', function (ServerRequestInterface $request, ResponseInterface $response, array $args) use ($app) {
$model = PluginAsset::find($args['id']);
if (!$model) {
return $response->withStatus(404);
}
if (
$request->hasHeader('If-Modified-Since')
&& $model->chdate <= strtotime($request->getHeaderLine('If-Modified-Since')[0])
) {
return $response->withStatus(304);
}
$asset = new Assets\PluginAsset($model);
try {
$response->getBody()->write($asset->getContent());
$response = $response->withHeader('Content-Type', $args['type'] === 'css' ? 'text/css' : 'application/javascript');
$response = $response->withHeader('Content-Length', $model->size);
// Store cache information
if (Studip\ENV !== 'development') {
$response = $response->withHeader('Last-Modified', gmdate('D, d M Y H:i:s', $model->chdate) . ' GMT');
$response = $response->withHeader('Expires', gmdate('D, d M Y H:i:s', $model->chdate + PluginAsset::CACHE_DURATION) . ' GMT');
}
return $response;
} catch (Exception $e) {
$asset->delete();
return $response->withStatus(500);
}
});
$app->run();
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