Skip to content

Instantly share code, notes, and snippets.

@kimsyversen
Created July 24, 2014 10:18
Show Gist options
  • Save kimsyversen/6521ecf5b1d18f11a027 to your computer and use it in GitHub Desktop.
Save kimsyversen/6521ecf5b1d18f11a027 to your computer and use it in GitHub Desktop.
Simple IP filter for the Slim Framework
<?php
/**
* Simple IP filter
*
* Use this middleware with your Slim Framework application
* to require restrict access to certain ip addresses
*
* USAGE
*
* $app = new \Slim\Slim();
* $app->add(new \lib\Middleware\SimpleIpFilter(array('127.0.0.1', '1.2.3.4')));
*
* The MIT License (MIT)
*
* Copyright (c) 2014 Kim Syversen
*
* 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.
*/
namespace lib\Middleware;
class SimpleIpFilter extends \Slim\Middleware {
/**
* @var array
*/
private $_ips;
/**
* Constructor
*
* @param array $ips IP addresses allowed to execute API calls
*/
function __construct($ips)
{
foreach($ips as $ip)
$this->_ips[$ip] = true;
}
/**
* Call
*
* Perform actions specific to this middleware and optionally
* call the next downstream middleware.
*/
public function call()
{
if(array_key_exists($this->app->environment['REMOTE_ADDR'], $this->_ips))
$this->next->call();
else {
$this->app->response->status(403);
$this->app->response->headers->set('Content-Type', 'application/json');
$this->app->response->body(json_encode(
array('code' => 403, 'message' => 'Forbidden' )));
}
}
}
@agarzon
Copy link

agarzon commented Jul 7, 2015

Well done ! 👏 simple but effective.

Sign up for free to join this conversation on GitHub. Already have an account? Sign in to comment