vendor/gregwar/captcha-bundle/Controller/CaptchaController.php line 42

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  1. <?php
  3. declare(strict_types=1);
  5. namespace Gregwar\CaptchaBundle\Controller;
  7. use Gregwar\CaptchaBundle\Generator\CaptchaGenerator;
  8. use Symfony\Component\HttpFoundation\Request;
  9. use Symfony\Component\HttpFoundation\Response;
  11. /**
  12.  * Generates a captcha via a URL.
  13.  *
  14.  * @author Jeremy Livingston <jeremy.j.livingston@gmail.com>
  15.  */
  16. class CaptchaController
  17. {
  18.     /** @var CaptchaGenerator */
  19.     private $captchaGenerator;
  21.     /** @var array<mixed> */
  22.     private $config;
  24.     /**
  25.      * CaptchaController constructor.
  26.      *
  27.      * @param CaptchaGenerator  $captchaGenerator
  28.      * @param array<mixed>      $config
  29.      */
  30.     public function __construct(CaptchaGenerator $captchaGenerator, array $config)
  31.     {
  32.         $this->captchaGenerator = $captchaGenerator;
  33.         $this->config = $config;
  34.     }
  36.     public function generateCaptchaAction(Request $request, string $key): Response
  37.     {
  38.         $session = $request->getSession();
  39.         $whitelistKey = $this->config['whitelist_key'];
  40.         $isOk = false;
  42.         if ($session->has($whitelistKey)) {
  43.             $keys = $session->get($whitelistKey);
  44.             if (is_array($keys) && in_array($key, $keys)) {
  45.                 $isOk = true;
  46.             }
  47.         }
  49.         if (!$isOk) {
  50.             return $this->error($this->config);
  51.         }
  53.         $persistedOptions = $session->get($key, array());
  54.         $options = array_merge($this->config, $persistedOptions);
  56.         $phrase = $this->captchaGenerator->getPhrase($options);
  57.         $this->captchaGenerator->setPhrase($phrase);
  58.         $persistedOptions['phrase'] = $phrase;
  59.         $session->set($key, $persistedOptions);
  61.         $response = new Response($this->captchaGenerator->generate($options));
  62.         $response->headers->set('Content-type', 'image/jpeg');
  63.         $response->headers->set('Pragma', 'no-cache');
  64.         $response->headers->set('Cache-Control', 'no-cache');
  66.         return $response;
  67.     }
  69.     /**
  70.      * @param array<mixed> $options
  71.      *
  72.      * @return Response
  73.      */
  74.     private function error(array $options): Response
  75.     {
  76.         $this->captchaGenerator->setPhrase('');
  78.         $response = new Response($this->captchaGenerator->generate($options));
  79.         $response->setStatusCode(428);
  80.         $response->headers->set('Content-type', 'image/jpeg');
  81.         $response->headers->set('Pragma', 'no-cache');
  82.         $response->headers->set('Cache-Control', 'no-cache');
  84.         return $response;
  85.     }
  86. }