Developer
<?php
namespace Illuminate\Http\Middleware;
use Illuminate\Contracts\Foundation\Application;
use Illuminate\Http\Request;
abstract class TrustHosts
{
/**
* The application instance.
*
* @var \Illuminate\Contracts\Foundation\Application
*/
protected $app;
/**
* Create a new middleware instance.
*
* @param \Illuminate\Contracts\Foundation\Application $app
* @return void
*/
public function __construct(Application $app)
{
$this->app = $app;
}
/**
* Get the host patterns that should be trusted.
*
* @return array
*/
abstract public function hosts();
/**
* Handle the incoming request.
*
* @param \Illuminate\Http\Request $request
* @param \Closure $next
* @return \Illuminate\Http\Response
*/
public function handle(Request $request, $next)
{
if ($this->shouldSpecifyTrustedHosts()) {
Request::setTrustedHosts(array_filter($this->hosts()));
}
return $next($request);
}
/**
* Determine if the application should specify trusted hosts.
*
* @return bool
*/
protected function shouldSpecifyTrustedHosts()
{
return ! $this->app->environment('local') &&
! $this->app->runningUnitTests();
}
/**
* Get a regular expression matching the application URL and all of its subdomains.
*
* @return string|null
*/
protected function allSubdomainsOfApplicationUrl()
{
if ($host = parse_url($this->app['config']->get('app.url'), PHP_URL_HOST)) {
return '^(.+\.)?'.preg_quote($host).'$';
}
}
}
Developer
To ensure a smooth integration process and optimal performance, follow these best practices: