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<?php
/**
* UserFrosting (http://www.userfrosting.com)
*
* @link https://github.com/userfrosting/UserFrosting
* @license https://github.com/userfrosting/UserFrosting/blob/master/licenses/UserFrosting.md (MIT License)
*/
namespace UserFrosting\Sprinkle\Account\Authenticate;
use Psr\Http\Message\ResponseInterface;
use Psr\Http\Message\ServerRequestInterface;
use Slim\Http\Body;
use UserFrosting\Sprinkle\Account\Authenticate\Exception\AuthExpiredException;
/**
* Middleware to catch requests that fail because they require user authentication.
*
* @author Alex Weissman (https://alexanderweissman.com)
*/
class AuthGuard
{
/**
* @var Authenticator
*/
protected $authenticator;
/**
* Constructor.
*
* @param $authenticator Authenticator The current authentication object.
*/
public function __construct($authenticator)
{
$this->authenticator = $authenticator;
}
/**
* Invoke the AuthGuard middleware, throwing an exception if there is no authenticated user in the session.
*
* @param \Psr\Http\Message\ServerRequestInterface $request PSR7 request
* @param \Psr\Http\Message\ResponseInterface $response PSR7 response
* @param callable $next Next middleware
*
* @return \Psr\Http\Message\ResponseInterface
*/
public function __invoke($request, $response, $next)
{
if (!$this->authenticator->check()) {
throw new AuthExpiredException();
} else {
return $next($request, $response);
}
return $response;
}
}
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