CodeIgniter
An open source application development framework for PHP
This content is released under the MIT License (MIT)
Copyright (c) 2014-2019 British Columbia Institute of Technology Copyright (c) 2019 CodeIgniter Foundation
Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
CSRF | CSRF filter. |
<?php
/**
* CodeIgniter
*
* An open source application development framework for PHP
*
* This content is released under the MIT License (MIT)
*
* Copyright (c) 2014-2019 British Columbia Institute of Technology
* Copyright (c) 2019 CodeIgniter Foundation
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*
* @package CodeIgniter
* @author CodeIgniter Dev Team
* @copyright 2019 CodeIgniter Foundation
* @license https://opensource.org/licenses/MIT MIT License
* @link https://codeigniter.com
* @since Version 4.0.0
* @filesource
*
* This filter is not intended to be used from the command line.
*
* @codeCoverageIgnore
*/
namespace CodeIgniter\Filters;
use CodeIgniter\HTTP\RequestInterface;
use CodeIgniter\HTTP\ResponseInterface;
use CodeIgniter\Security\Exceptions\SecurityException;
use Config\Services;
/**
* CSRF filter.
*
* This filter is not intended to be used from the command line.
*
* @codeCoverageIgnore
*/
class CSRF implements FilterInterface
{
/**
* Do whatever processing this filter needs to do.
* By default it should not return anything during
* normal execution. However, when an abnormal state
* is found, it should return an instance of
* CodeIgniter\HTTP\Response. If it does, script
* execution will end and that Response will be
* sent back to the client, allowing for error pages,
* redirects, etc.
*
* @param RequestInterface|\CodeIgniter\HTTP\IncomingRequest $request
*
* @return mixed
*/
public function before(RequestInterface $request)
{
if ($request->isCLI())
{
return;
}
$security = Services::security();
try
{
$security->CSRFVerify($request);
}
catch (SecurityException $e)
{
if (config('App')->CSRFRedirect && ! $request->isAJAX())
{
return redirect()->back()->with('error', $e->getMessage());
}
throw $e;
}
}
//--------------------------------------------------------------------
/**
* We don't have anything to do here.
*
* @param RequestInterface|\CodeIgniter\HTTP\IncomingRequest $request
* @param ResponseInterface|\CodeIgniter\HTTP\Response $response
*
* @return mixed
*/
public function after(RequestInterface $request, ResponseInterface $response)
{
}
//--------------------------------------------------------------------
}