/usr/share/php/Symfony/Component/Security/Http/Firewall/BasicAuthenticationListener.php is in php-symfony-security-http 3.4.6+dfsg-1.
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/*
* 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\Security\Core\Authentication\AuthenticationManagerInterface;
use Symfony\Component\Security\Core\Authentication\Token\Storage\TokenStorageInterface;
use Symfony\Component\Security\Http\EntryPoint\AuthenticationEntryPointInterface;
use Psr\Log\LoggerInterface;
use Symfony\Component\HttpKernel\Event\GetResponseEvent;
use Symfony\Component\Security\Core\Authentication\Token\UsernamePasswordToken;
use Symfony\Component\Security\Core\Exception\AuthenticationException;
/**
* BasicAuthenticationListener implements Basic HTTP authentication.
*
* @author Fabien Potencier <fabien@symfony.com>
*/
class BasicAuthenticationListener implements ListenerInterface
{
private $tokenStorage;
private $authenticationManager;
private $providerKey;
private $authenticationEntryPoint;
private $logger;
private $ignoreFailure;
public function __construct(TokenStorageInterface $tokenStorage, AuthenticationManagerInterface $authenticationManager, $providerKey, AuthenticationEntryPointInterface $authenticationEntryPoint, LoggerInterface $logger = null)
{
if (empty($providerKey)) {
throw new \InvalidArgumentException('$providerKey must not be empty.');
}
$this->tokenStorage = $tokenStorage;
$this->authenticationManager = $authenticationManager;
$this->providerKey = $providerKey;
$this->authenticationEntryPoint = $authenticationEntryPoint;
$this->logger = $logger;
$this->ignoreFailure = false;
}
/**
* Handles basic authentication.
*/
public function handle(GetResponseEvent $event)
{
$request = $event->getRequest();
if (null === $username = $request->headers->get('PHP_AUTH_USER')) {
return;
}
if (null !== $token = $this->tokenStorage->getToken()) {
if ($token instanceof UsernamePasswordToken && $token->isAuthenticated() && $token->getUsername() === $username) {
return;
}
}
if (null !== $this->logger) {
$this->logger->info('Basic authentication Authorization header found for user.', array('username' => $username));
}
try {
$token = $this->authenticationManager->authenticate(new UsernamePasswordToken($username, $request->headers->get('PHP_AUTH_PW'), $this->providerKey));
$this->tokenStorage->setToken($token);
} catch (AuthenticationException $e) {
$token = $this->tokenStorage->getToken();
if ($token instanceof UsernamePasswordToken && $this->providerKey === $token->getProviderKey()) {
$this->tokenStorage->setToken(null);
}
if (null !== $this->logger) {
$this->logger->info('Basic authentication failed for user.', array('username' => $username, 'exception' => $e));
}
if ($this->ignoreFailure) {
return;
}
$event->setResponse($this->authenticationEntryPoint->start($request, $e));
}
}
}
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