nextcloud/apps/files_sharing/lib/middleware/sharingcheckmiddleware.php

85 lines
2.0 KiB
PHP

<?php
/**
* @author Lukas Reschke
* @copyright 2014 Lukas Reschke lukas@owncloud.com
*
* This file is licensed under the Affero General Public License version 3 or
* later.
* See the COPYING-README file.
*/
namespace OCA\Files_Sharing\Middleware;
use OCP\AppFramework\IApi;
use \OCP\AppFramework\Middleware;
use OCP\AppFramework\Http\TemplateResponse;
use OCP\IAppConfig;
/**
* Checks whether the "sharing check" is enabled
*
* @package OCA\Files_Sharing\Middleware
*/
class SharingCheckMiddleware extends Middleware {
/** @var string */
protected $appName;
/** @var IAppConfig */
protected $appConfig;
/** @var IApi */
protected $api;
/***
* @param string $appName
* @param IAppConfig $appConfig
* @param IApi $api
*/
public function __construct($appName,
IAppConfig $appConfig,
IApi $api) {
$this->appName = $appName;
$this->appConfig = $appConfig;
$this->api = $api;
}
/**
* Check if sharing is enabled before the controllers is executed
*/
public function beforeController($controller, $methodName) {
if(!$this->isSharingEnabled()) {
throw new \Exception('Sharing is disabled.');
}
}
/**
* Return 404 page in case of an exception
* @param \OCP\AppFramework\Controller $controller
* @param string $methodName
* @param \Exception $exception
* @return TemplateResponse
*/
public function afterException($controller, $methodName, \Exception $exception){
return new TemplateResponse('core', '404', array(), 'guest');
}
/**
* Check whether sharing is enabled
* @return bool
*/
private function isSharingEnabled() {
// FIXME: This check is done here since the route is globally defined and not inside the files_sharing app
// Check whether the sharing application is enabled
if(!$this->api->isAppEnabled($this->appName)) {
return false;
}
// Check whether public sharing is enabled
if($this->appConfig->getValue('core', 'shareapi_allow_links', 'yes') !== 'yes') {
return false;
}
return true;
}
}