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