vendor/connectholland/cookie-consent-bundle/EventSubscriber/CookieConsentFormSubscriber.php line 67

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  1. <?php
  3. declare(strict_types=1);
  5. /*
  6. * This file is part of the ConnectHolland CookieConsentBundle package.
  7. * (c) Connect Holland.
  8. */
  10. namespace ConnectHolland\CookieConsentBundle\EventSubscriber;
  12. use ConnectHolland\CookieConsentBundle\Cookie\CookieHandler;
  13. use ConnectHolland\CookieConsentBundle\Cookie\CookieLogger;
  14. use ConnectHolland\CookieConsentBundle\Enum\CookieNameEnum;
  15. use ConnectHolland\CookieConsentBundle\Form\CookieConsentType;
  16. use Symfony\Component\EventDispatcher\EventSubscriberInterface;
  17. use Symfony\Component\Form\FormFactoryInterface;
  18. use Symfony\Component\Form\FormInterface;
  19. use Symfony\Component\HttpFoundation\Cookie;
  20. use Symfony\Component\HttpFoundation\Request;
  21. use Symfony\Component\HttpFoundation\Response;
  22. use Symfony\Component\HttpKernel\Event\FilterResponseEvent;
  23. use Symfony\Component\HttpKernel\Event\KernelEvent;
  24. use Symfony\Component\HttpKernel\Event\ResponseEvent;
  25. use Symfony\Component\HttpKernel\KernelEvents;
  27. class CookieConsentFormSubscriber implements EventSubscriberInterface
  28. {
  29. /**
  30. * @var FormFactoryInterface
  31. */
  32. private $formFactory;
  34. /**
  35. * @var CookieLogger
  36. */
  37. private $cookieLogger;
  39. /**
  40. * @var CookieHandler
  41. */
  42. private $cookieHandler;
  44. /**
  45. * @var bool
  46. */
  47. private $useLogger;
  49. public function __construct(FormFactoryInterface $formFactory, CookieLogger $cookieLogger, CookieHandler $cookieHandler, bool $useLogger)
  50. {
  51. $this->formFactory = $formFactory;
  52. $this->cookieLogger = $cookieLogger;
  53. $this->cookieHandler = $cookieHandler;
  54. $this->useLogger = $useLogger;
  55. }
  57. public static function getSubscribedEvents(): array
  58. {
  59. return [
  60. KernelEvents::RESPONSE => ['onResponse'],
  61. ];
  62. }
  64. /**
  65. * Checks if form has been submitted and saves users preferences in cookies by calling the CookieHandler.
  66. */
  67. public function onResponse(KernelEvent $event): void
  68. {
  69. if ($event instanceof FilterResponseEvent === false && $event instanceof ResponseEvent === false) {
  70. throw new \RuntimeException('No ResponseEvent class found');
  71. }
  73. $request = $event->getRequest();
  74. $response = $event->getResponse();
  76. $form = $this->createCookieConsentForm();
  77. $form->handleRequest($request);
  79. if ($form->isSubmitted() && $form->isValid()) {
  80. $this->handleFormSubmit($form->getData(), $request, $response);
  81. }
  82. }
  84. /**
  85. * Handle form submit.
  86. */
  87. protected function handleFormSubmit(array $categories, Request $request, Response $response): void
  88. {
  89. $cookieConsentKey = $this->getCookieConsentKey($request);
  91. $this->cookieHandler->save($categories, $cookieConsentKey, $response);
  93. if ($this->useLogger) {
  94. $this->cookieLogger->log($categories, $cookieConsentKey);
  95. }
  96. }
  98. /**
  99. * Return existing key from cookies or create new one.
  100. */
  101. protected function getCookieConsentKey(Request $request): string
  102. {
  103. return $request->cookies->get(CookieNameEnum::COOKIE_CONSENT_KEY_NAME) ?? uniqid();
  104. }
  106. /**
  107. * Create cookie consent form.
  108. */
  109. protected function createCookieConsentForm(): FormInterface
  110. {
  111. return $this->formFactory->create(CookieConsentType::class);
  112. }
  113. }