/usr/share/php/Symfony/Component/Security/Http/Firewall/UsernamePasswordFormAuthenticationListener.php is in php-symfony-security 2.3.21+dfsg-4+deb8u3.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 | <?php
/*
* This file is part of the Symfony package.
*
* (c) Fabien Potencier <fabien@symfony.com>
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
namespace Symfony\Component\Security\Http\Firewall;
use Symfony\Component\Form\Extension\Csrf\CsrfProvider\CsrfProviderInterface;
use Symfony\Component\HttpFoundation\Request;
use Psr\Log\LoggerInterface;
use Symfony\Component\Security\Http\Authentication\AuthenticationFailureHandlerInterface;
use Symfony\Component\Security\Http\Authentication\AuthenticationSuccessHandlerInterface;
use Symfony\Component\Security\Http\Session\SessionAuthenticationStrategyInterface;
use Symfony\Component\Security\Http\HttpUtils;
use Symfony\Component\Security\Core\Authentication\AuthenticationManagerInterface;
use Symfony\Component\Security\Core\Authentication\Token\UsernamePasswordToken;
use Symfony\Component\Security\Core\Exception\BadCredentialsException;
use Symfony\Component\Security\Core\Exception\InvalidCsrfTokenException;
use Symfony\Component\Security\Core\SecurityContextInterface;
use Symfony\Component\EventDispatcher\EventDispatcherInterface;
/**
* UsernamePasswordFormAuthenticationListener is the default implementation of
* an authentication via a simple form composed of a username and a password.
*
* @author Fabien Potencier <fabien@symfony.com>
*/
class UsernamePasswordFormAuthenticationListener extends AbstractAuthenticationListener
{
private $csrfProvider;
/**
* {@inheritdoc}
*/
public function __construct(SecurityContextInterface $securityContext, AuthenticationManagerInterface $authenticationManager, SessionAuthenticationStrategyInterface $sessionStrategy, HttpUtils $httpUtils, $providerKey, AuthenticationSuccessHandlerInterface $successHandler, AuthenticationFailureHandlerInterface $failureHandler, array $options = array(), LoggerInterface $logger = null, EventDispatcherInterface $dispatcher = null, CsrfProviderInterface $csrfProvider = null)
{
parent::__construct($securityContext, $authenticationManager, $sessionStrategy, $httpUtils, $providerKey, $successHandler, $failureHandler, array_merge(array(
'username_parameter' => '_username',
'password_parameter' => '_password',
'csrf_parameter' => '_csrf_token',
'intention' => 'authenticate',
'post_only' => true,
), $options), $logger, $dispatcher);
$this->csrfProvider = $csrfProvider;
}
/**
* {@inheritdoc}
*/
protected function requiresAuthentication(Request $request)
{
if ($this->options['post_only'] && !$request->isMethod('POST')) {
return false;
}
return parent::requiresAuthentication($request);
}
/**
* {@inheritdoc}
*/
protected function attemptAuthentication(Request $request)
{
if (null !== $this->csrfProvider) {
$csrfToken = $request->get($this->options['csrf_parameter'], null, true);
if (false === $this->csrfProvider->isCsrfTokenValid($this->options['intention'], $csrfToken)) {
throw new InvalidCsrfTokenException('Invalid CSRF token.');
}
}
if ($this->options['post_only']) {
$username = trim($request->request->get($this->options['username_parameter'], null, true));
$password = $request->request->get($this->options['password_parameter'], null, true);
} else {
$username = trim($request->get($this->options['username_parameter'], null, true));
$password = $request->get($this->options['password_parameter'], null, true);
}
if (strlen($username) > SecurityContextInterface::MAX_USERNAME_LENGTH) {
throw new BadCredentialsException('Invalid username.');
}
$request->getSession()->set(SecurityContextInterface::LAST_USERNAME, $username);
return $this->authenticationManager->authenticate(new UsernamePasswordToken($username, $password, $this->providerKey));
}
}
|