<?php<liu21st@gmail.com>declare (strict_types = 1);
namespace think\middleware;
use Closure;
use think\Config;
use think\Request;
use think\Response;
class AllowCrossDomain
{
protected $cookieDomain;
protected $header = [
'Access-Control-Allow-Credentials' => 'true',
'Access-Control-Max-Age' => 1800,
'Access-Control-Allow-Methods' => 'GET, POST, PATCH, PUT, DELETE, OPTIONS',
'Access-Control-Allow-Headers' => 'Authorization, Content-Type, If-Match, If-Modified-Since, If-None-Match, If-Unmodified-Since, X-CSRF-TOKEN, X-Requested-With',
];
public function __construct(Config $config)
{
$this->cookieDomain = $config->get('cookie.domain', '');
}
public function handle($request, Closure $next, ?array $header = [])
{
$header = !empty($header) ? array_merge($this->header, $header) : $this->header;
if (!isset($header['Access-Control-Allow-Origin'])) {
$origin = $request->header('origin');
if ($origin && ('' == $this->cookieDomain || strpos($origin, $this->cookieDomain))) {
$header['Access-Control-Allow-Origin'] = $origin;
} else {
$header['Access-Control-Allow-Origin'] = '*';
}
}
return $next($request)->header($header);
}
}