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<?php
/**
* @author Bernhard Posselt <dev@bernhard-posselt.com>
* @author Morris Jobke <hey@morrisjobke.de>
*
* @copyright Copyright (c) 2016, ownCloud, Inc.
* @license AGPL-3.0
*
* This code is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License, version 3,
* as published by the Free Software Foundation.
*
* 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 Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License, version 3,
* along with this program. If not, see <http://www.gnu.org/licenses/>
*
*/
/**
* Public interface of ownCloud for apps to use.
* AppFramework\Controller class
*/
namespace OCP\AppFramework;
use OCP\AppFramework\Http\Response;
use OCP\IRequest;
/**
* Base class to inherit your controllers from that are used for RESTful APIs
* @since 7.0.0
*/
abstract class ApiController extends Controller {
private $corsMethods;
private $corsAllowedHeaders;
private $corsMaxAge;
/**
* constructor of the controller
* @param string $appName the name of the app
* @param IRequest $request an instance of the request
* @param string $corsMethods comma seperated string of HTTP verbs which
* should be allowed for websites or webapps when calling your API, defaults to
* 'PUT, POST, GET, DELETE, PATCH'
* @param string $corsAllowedHeaders comma seperated string of HTTP headers
* which should be allowed for websites or webapps when calling your API,
* defaults to 'Authorization, Content-Type, Accept'
* @param int $corsMaxAge number in seconds how long a preflighted OPTIONS
* request should be cached, defaults to 1728000 seconds
* @since 7.0.0
*/
public function __construct($appName,
IRequest $request,
$corsMethods='PUT, POST, GET, DELETE, PATCH',
$corsAllowedHeaders='Authorization, Content-Type, Accept',
$corsMaxAge=1728000){
parent::__construct($appName, $request);
$this->corsMethods = $corsMethods;
$this->corsAllowedHeaders = $corsAllowedHeaders;
$this->corsMaxAge = $corsMaxAge;
}
/**
* This method implements a preflighted cors response for you that you can
* link to for the options request
*
* @NoAdminRequired
* @NoCSRFRequired
* @PublicPage
* @since 7.0.0
*/
public function preflightedCors() {
if(isset($this->request->server['HTTP_ORIGIN'])) {
$origin = $this->request->server['HTTP_ORIGIN'];
} else {
$origin = '*';
}
$response = new Response();
$response->addHeader('Access-Control-Allow-Origin', $origin);
$response->addHeader('Access-Control-Allow-Methods', $this->corsMethods);
$response->addHeader('Access-Control-Max-Age', $this->corsMaxAge);
$response->addHeader('Access-Control-Allow-Headers', $this->corsAllowedHeaders);
$response->addHeader('Access-Control-Allow-Credentials', 'false');
return $response;
}
}
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