Developer
<?php
namespace Illuminate\Http\Middleware;
use Closure;
use Fruitcake\Cors\CorsService;
use Illuminate\Contracts\Container\Container;
use Illuminate\Http\Request;
class HandleCors
{
/**
* The container instance.
*
* @var \Illuminate\Contracts\Container\Container
*/
protected $container;
/**
* The CORS service instance.
*
* @var \Fruitcake\Cors\CorsService
*/
protected $cors;
/**
* Create a new middleware instance.
*
* @param \Illuminate\Contracts\Container\Container $container
* @param \Fruitcake\Cors\CorsService $cors
* @return void
*/
public function __construct(Container $container, CorsService $cors)
{
$this->container = $container;
$this->cors = $cors;
}
/**
* Handle the incoming request.
*
* @param \Illuminate\Http\Request $request
* @param \Closure $next
* @return \Illuminate\Http\Response
*/
public function handle($request, Closure $next)
{
if (! $this->hasMatchingPath($request)) {
return $next($request);
}
$this->cors->setOptions($this->container['config']->get('cors', []));
if ($this->cors->isPreflightRequest($request)) {
$response = $this->cors->handlePreflightRequest($request);
$this->cors->varyHeader($response, 'Access-Control-Request-Method');
return $response;
}
$response = $next($request);
if ($request->getMethod() === 'OPTIONS') {
$this->cors->varyHeader($response, 'Access-Control-Request-Method');
}
return $this->cors->addActualRequestHeaders($response, $request);
}
/**
* Get the path from the configuration to determine if the CORS service should run.
*
* @param \Illuminate\Http\Request $request
* @return bool
*/
protected function hasMatchingPath(Request $request): bool
{
$paths = $this->getPathsByHost($request->getHost());
foreach ($paths as $path) {
if ($path !== '/') {
$path = trim($path, '/');
}
if ($request->fullUrlIs($path) || $request->is($path)) {
return true;
}
}
return false;
}
/**
* Get the CORS paths for the given host.
*
* @param string $host
* @return array
*/
protected function getPathsByHost(string $host)
{
$paths = $this->container['config']->get('cors.paths', []);
if (isset($paths[$host])) {
return $paths[$host];
}
return array_filter($paths, function ($path) {
return is_string($path);
});
}
}
Developer
To ensure a smooth integration process and optimal performance, follow these best practices: