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