Use a listener to catch auth failure

This commit is contained in:
Jeremy Benoist 2017-06-09 09:45:43 +02:00
parent fa1c9d7cc7
commit f81a34e379
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GPG key ID: BCA73962457ACC3C
5 changed files with 111 additions and 68 deletions

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@ -41,7 +41,6 @@ security:
form_login:
provider: fos_userbundle
csrf_token_generator: security.csrf.token_manager
failure_handler: wallabag_user.security.custom_auth_failure_handler
anonymous: true
remember_me:

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@ -0,0 +1,40 @@
<?php
namespace Wallabag\UserBundle\EventListener;
use Psr\Log\LoggerInterface;
use Symfony\Component\EventDispatcher\EventSubscriberInterface;
use Symfony\Component\HttpFoundation\RequestStack;
use Symfony\Component\Security\Core\AuthenticationEvents;
class AuthenticationFailureListener implements EventSubscriberInterface
{
private $requestStack;
private $logger;
public function __construct(RequestStack $requestStack, LoggerInterface $logger)
{
$this->requestStack = $requestStack;
$this->logger = $logger;
}
/**
* {@inheritdoc}
*/
public static function getSubscribedEvents()
{
return [
AuthenticationEvents::AUTHENTICATION_FAILURE => 'onAuthenticationFailure',
];
}
/**
* On failure, add a custom error in log so server admin can configure fail2ban to block IP from people who try to login too much.
*/
public function onAuthenticationFailure()
{
$request = $this->requestStack->getMasterRequest();
$this->logger->error('Authentication failure for user "'.$request->request->get('_username').'", from IP "'.$request->getClientIp().'", with UA: "'.$request->server->get('HTTP_USER_AGENT').'".');
}
}

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@ -36,10 +36,10 @@ services:
tags:
- { name: kernel.event_subscriber }
wallabag_user.security.custom_auth_failure_handler:
class: Wallabag\UserBundle\Security\CustomAuthenticationFailureHandler
wallabag_user.listener.authentication_failure_event_listener:
class: Wallabag\UserBundle\EventListener\AuthenticationFailureListener
arguments:
- "@http_kernel"
- "@security.http_utils"
- { }
- "@request_stack"
- "@logger"
tags:
- { name: kernel.event_listener, event: security.authentication.failure, method: onAuthenticationFailure }

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@ -1,62 +0,0 @@
<?php
namespace Wallabag\UserBundle\Security;
use Symfony\Component\Security\Http\Authentication\DefaultAuthenticationFailureHandler;
use Symfony\Component\HttpFoundation\Request;
use Symfony\Component\Security\Core\Exception\AuthenticationException;
use Symfony\Component\Security\Http\ParameterBagUtils;
use Symfony\Component\HttpKernel\HttpKernelInterface;
use Symfony\Component\Security\Core\Security;
/**
* This is a custom authentication failure.
* It only aims to add a custom error in log so server admin can configure fail2ban to block IP from people who try to login too much.
*
* This only changing thing is the logError() addition
*/
class CustomAuthenticationFailureHandler extends DefaultAuthenticationFailureHandler
{
/**
* {@inheritdoc}
*/
public function onAuthenticationFailure(Request $request, AuthenticationException $exception)
{
if ($failureUrl = ParameterBagUtils::getRequestParameterValue($request, $this->options['failure_path_parameter'])) {
$this->options['failure_path'] = $failureUrl;
}
if (null === $this->options['failure_path']) {
$this->options['failure_path'] = $this->options['login_path'];
}
if ($this->options['failure_forward']) {
$this->logger->debug('Authentication failure, forward triggered.', ['failure_path' => $this->options['failure_path']]);
$this->logError($request);
$subRequest = $this->httpUtils->createRequest($request, $this->options['failure_path']);
$subRequest->attributes->set(Security::AUTHENTICATION_ERROR, $exception);
return $this->httpKernel->handle($subRequest, HttpKernelInterface::SUB_REQUEST);
}
$this->logger->debug('Authentication failure, redirect triggered.', ['failure_path' => $this->options['failure_path']]);
$this->logError($request);
$request->getSession()->set(Security::AUTHENTICATION_ERROR, $exception);
return $this->httpUtils->createRedirectResponse($request, $this->options['failure_path']);
}
/**
* Log error information about fialure.
*
* @param Request $request
*/
private function logError(Request $request)
{
$this->logger->error('Authentication failure for user "'.$request->request->get('_username').'", from IP "'.$request->getClientIp().'", with UA: "'.$request->server->get('HTTP_USER_AGENT').'".');
}
}

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@ -0,0 +1,66 @@
<?php
namespace Tests\Wallabag\UserBundle\EventListener;
use Symfony\Component\EventDispatcher\EventDispatcher;
use Symfony\Component\HttpFoundation\Request;
use Wallabag\UserBundle\EventListener\AuthenticationFailureListener;
use Monolog\Logger;
use Monolog\Handler\TestHandler;
use Symfony\Component\HttpFoundation\RequestStack;
use Symfony\Component\Security\Core\AuthenticationEvents;
use Symfony\Component\Security\Core\Event\AuthenticationFailureEvent;
class AuthenticationFailureListenerTest extends \PHPUnit_Framework_TestCase
{
private $requestStack;
private $logHandler;
private $listener;
private $dispatcher;
protected function setUp()
{
$request = Request::create('/');
$request->request->set('_username', 'admin');
$this->requestStack = new RequestStack();
$this->requestStack->push($request);
$this->logHandler = new TestHandler();
$logger = new Logger('test', [$this->logHandler]);
$this->listener = new AuthenticationFailureListener(
$this->requestStack,
$logger
);
$this->dispatcher = new EventDispatcher();
$this->dispatcher->addSubscriber($this->listener);
}
public function testOnAuthenticationFailure()
{
$token = $this->getMockBuilder('Symfony\Component\Security\Core\Authentication\Token\TokenInterface')
->disableOriginalConstructor()
->getMock();
$exception = $this->getMockBuilder('Symfony\Component\Security\Core\Exception\AuthenticationException')
->disableOriginalConstructor()
->getMock();
$event = new AuthenticationFailureEvent(
$token,
$exception
);
$this->dispatcher->dispatch(
AuthenticationEvents::AUTHENTICATION_FAILURE,
$event
);
$records = $this->logHandler->getRecords();
$this->assertCount(1, $records);
$this->assertSame('Authentication failure for user "admin", from IP "127.0.0.1", with UA: "Symfony/3.X".', $records[0]['message']);
}
}