app/Plugin/NZRecaptcha42/Event/TemplateEventSubscriber.php line 38

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  1. <?php
  3. namespace Plugin\NZRecaptcha42\Event;
  5. use Plugin\NZRecaptcha42\Service\RecaptchaService;
  6. use Symfony\Component\EventDispatcher\EventSubscriberInterface;
  7. use Eccube\Event\TemplateEvent;
  9. class TemplateEventSubscriber implements EventSubscriberInterface
  10. {
  11.     /**
  12.      * @var RecaptchaService
  13.      */
  14.     private $recaptchaService;
  16.     public function __construct(RecaptchaService $recaptchaService)
  17.     {
  18.         $this->recaptchaService = $recaptchaService;
  19.     }
  21.     public static function getSubscribedEvents()
  22.     {
  23.         return [
  24.             'Entry/index.twig' => 'onEntryIndex',
  25.             'Mypage/login.twig' => 'onMypageLogin',
  26.             'Contact/index.twig' => 'onContactIndex',
  27.         ];
  28.     }
  30.     public function onEntryIndex(TemplateEvent $event)
  31.     {
  32.         if (!$this->recaptchaService->isEnabledForEntry()) {
  33.             return;
  34.         }
  35.         $this->addRecaptchaScript($event, 'entry', 'eccube_entry');
  36.     }
  38.     public function onMypageLogin(TemplateEvent $event)
  39.     {
  40.         if (!$this->recaptchaService->isEnabledForLogin()) {
  41.             return;
  42.         }
  43.         $this->addRecaptchaScript($event, 'login', 'login_mypage');
  44.     }
  46.     public function onContactIndex(TemplateEvent $event)
  47.     {
  48.         if (!$this->recaptchaService->isEnabledForContact()) {
  49.             return;
  50.         }
  51.         $this->addRecaptchaScript($event, 'contact', 'contact');
  52.     }
  54.     private function addRecaptchaScript(TemplateEvent $event, string $action, string $formName)
  55.     {
  56.         $siteKey = $this->recaptchaService->getSiteKey();
  57.         if (!$siteKey) {
  58.             return;
  59.         }
  61.         $script = <<<HTML
  62. <script src="https://www.google.com/recaptcha/api.js?render={$siteKey}"></script>
  63. <script>
  64. (function() {
  65.     'use strict';
  66.     function addRecaptchaToken() {
  67.         var form = document.querySelector('form[name="{$formName}"]');
  68.         if (!form) form = document.getElementById('{$formName}');
  69.         if (!form) return;
  71.         var input = document.createElement('input');
  72.         input.type = 'hidden';
  73.         input.name = 'g-recaptcha-response';
  74.         form.appendChild(input);
  76.         form.addEventListener('submit', function(e) {
  77.             if (input.value) return true;
  78.             e.preventDefault();
  79.             grecaptcha.ready(function() {
  80.                 grecaptcha.execute('{$siteKey}', {action: '{$action}'}).then(function(token) {
  81.                     input.value = token;
  82.                     form.submit();
  83.                 });
  84.             });
  85.         });
  86.     }
  87.     if (document.readyState === 'loading') {
  88.         document.addEventListener('DOMContentLoaded', addRecaptchaToken);
  89.     } else {
  90.         addRecaptchaToken();
  91.     }
  92. })();
  93. </script>
  94. HTML;
  96.         // 第2引数をfalseにしてtemplate_from_stringを使用
  97.         $event->addSnippet($script, false);
  98.     }
  99. }