CodeIgniter4/system/Filters/Honeypot.php
2019-04-17 23:30:18 +05:30

85 lines
2.6 KiB
PHP

<?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
*
* 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 2014-2019 British Columbia Institute of Technology (https://bcit.ca/)
* @license https://opensource.org/licenses/MIT MIT License
* @link https://codeigniter.com
* @since Version 3.0.0
* @filesource
*/
namespace CodeIgniter\Filters;
use CodeIgniter\HTTP\RequestInterface;
use CodeIgniter\HTTP\ResponseInterface;
use Config\Services;
use CodeIgniter\Honeypot\Exceptions\HoneypotException;
/**
* Honeypot filter
*/
class Honeypot implements FilterInterface
{
/**
* Checks if Honeypot field is empty; if not
* then the requester is a bot
*
* @param \CodeIgniter\HTTP\RequestInterface $request
*
* @return void
*
* @throws \CodeIgniter\Honeypot\Exceptions\HoneypotException
*/
public function before(RequestInterface $request)
{
$honeypot = Services::honeypot(new \Config\Honeypot());
if ($honeypot->hasContent($request))
{
throw HoneypotException::isBot();
}
}
/**
* Attach a honeypot to the current response.
*
* @param \CodeIgniter\HTTP\RequestInterface $request
* @param \CodeIgniter\HTTP\ResponseInterface $response
*
* @return void
*/
public function after(RequestInterface $request, ResponseInterface $response)
{
$honeypot = Services::honeypot(new \Config\Honeypot());
$honeypot->attachHoneypot($response);
}
}