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<?php
/**
* @copyright Copyright (c) 2016, ownCloud, Inc.
*
* @author Lukas Reschke <lukas@statuscode.ch>
* @author Thomas Müller <thomas.mueller@tmit.eu>
*
* @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/>
*
*/
namespace OCA\DAV\Files;
use OC\AppFramework\Http\Request;
use OC_Template;
use OCP\IRequest;
use Sabre\DAV\Exception;
use Sabre\DAV\Server;
use Sabre\DAV\ServerPlugin;
class BrowserErrorPagePlugin extends ServerPlugin {
/** @var Server */
private $server;
/**
* This initializes the plugin.
*
* This function is called by Sabre\DAV\Server, after
* addPlugin is called.
*
* This method should set up the required event subscriptions.
*
* @param Server $server
* @return void
*/
function initialize(Server $server) {
$this->server = $server;
$server->on('exception', array($this, 'logException'), 1000);
}
/**
* @param IRequest $request
* @return bool
*/
public static function isBrowserRequest(IRequest $request) {
if ($request->getMethod() !== 'GET') {
return false;
}
return $request->isUserAgent([
Request::USER_AGENT_IE,
Request::USER_AGENT_MS_EDGE,
Request::USER_AGENT_CHROME,
Request::USER_AGENT_FIREFOX,
Request::USER_AGENT_SAFARI,
]);
}
/**
* @param \Exception $ex
*/
public function logException(\Exception $ex) {
if ($ex instanceof Exception) {
$httpCode = $ex->getHTTPCode();
$headers = $ex->getHTTPHeaders($this->server);
} else {
$httpCode = 500;
$headers = [];
}
$this->server->httpResponse->addHeaders($headers);
$this->server->httpResponse->setStatus($httpCode);
$body = $this->generateBody();
$this->server->httpResponse->setBody($body);
$this->sendResponse();
}
/**
* @codeCoverageIgnore
* @return bool|string
*/
public function generateBody() {
$request = \OC::$server->getRequest();
$content = new OC_Template('dav', 'exception', 'guest');
$content->assign('title', $this->server->httpResponse->getStatusText());
$content->assign('remoteAddr', $request->getRemoteAddress());
$content->assign('requestID', $request->getId());
return $content->fetchPage();
}
/**
* @codeCoverageIgnore
*/
public function sendResponse() {
$this->server->sapi->sendResponse($this->server->httpResponse);
exit();
}
}