misc_pterodactyl-panel/app/Http/Middleware/VerifyReCaptcha.php
2017-12-17 13:07:38 -06:00

83 lines
2.4 KiB
PHP

<?php
namespace Pterodactyl\Http\Middleware;
use Closure;
use stdClass;
use GuzzleHttp\Client;
use Illuminate\Http\Request;
use Pterodactyl\Events\Auth\FailedCaptcha;
use Illuminate\Contracts\Config\Repository;
class VerifyReCaptcha
{
/**
* @var \Illuminate\Contracts\Config\Repository
*/
private $config;
/**
* VerifyReCaptcha constructor.
*
* @param \Illuminate\Contracts\Config\Repository $config
*/
public function __construct(Repository $config)
{
$this->config = $config;
}
/**
* Handle an incoming request.
*
* @param \Illuminate\Http\Request $request
* @param \Closure $next
* @return \Illuminate\Http\RedirectResponse|mixed
*/
public function handle($request, Closure $next)
{
if (! $this->config->get('recaptcha.enabled')) {
return $next($request);
}
if ($request->filled('g-recaptcha-response')) {
$client = new Client();
$res = $client->post($this->config->get('recaptcha.domain'), [
'form_params' => [
'secret' => $this->config->get('recaptcha.secret_key'),
'response' => $request->input('g-recaptcha-response'),
],
]);
if ($res->getStatusCode() === 200) {
$result = json_decode($res->getBody());
if ($result->success && (! $this->config->get('recaptcha.verify_domain') || $this->isResponseVerified($result, $request))) {
return $next($request);
}
}
}
// Emit an event and return to the previous view with an error (only the captcha error will be shown!)
event(new FailedCaptcha($request->ip(), (! isset($result) ?: object_get($result, 'hostname'))));
return redirect()->back()->withErrors(['g-recaptcha-response' => trans('strings.captcha_invalid')])->withInput();
}
/**
* Determine if the response from the recaptcha servers was valid.
*
* @param stdClass $result
* @param \Illuminate\Http\Request $request
* @return bool
*/
private function isResponseVerified(stdClass $result, Request $request): bool
{
if (! $this->config->get('recaptcha.verify_domain')) {
return false;
}
$url = parse_url($request->url());
return $result->hostname === array_get($url, 'host');
}
}