Add possibility to disable external loading resources

README.md

@@ -182,6 +182,16 @@ ewz_recaptcha:
     score_threshold: 0.6
 ```
 
+To disable loading recaptcha script from external source (most often for GDPR)
+``` yaml
+# app/config/config.yml
+
+ewz_recaptcha:
+    // ...
+    external_recaptcha_assets: true
+    external_recaptcha_assets_missing_message: ~
+```
+
 Congratulations! You're ready!
 
 ## Basic Usage

src/DependencyInjection/Configuration.php

@@ -42,6 +42,8 @@ public function getConfigTreeBuilder(): TreeBuilder
 
                 ->integerNode('timeout')->min(0)->defaultNull()->end()
                 ->arrayNode('trusted_roles')->prototype('scalar')->treatNullLike(array())->end()
+                ->booleanNode('external_recaptcha_assets')->defaultTrue()->end()
+                ->scalarNode('external_recaptcha_assets_missing_message')->defaultNull()->end()
             ->end()
         ;
 

src/Form/Type/EWZRecaptchaV3Type.php

@@ -13,20 +13,28 @@ class EWZRecaptchaV3Type extends AbstractEWZRecaptchaType
 
     /** @var bool */
     private $hideBadge;
+    /** @var bool */
+    private $externalRecaptcha;
+
+    /** @var string|null */
+    private $externalRecaptchaMissingMessage;
 
     /**
      * EWZRecaptchaV3Type constructor.
      *
      * @param string $publicKey
      * @param bool $enabled
      * @param bool   $hideBadge
+     * @param bool   $externalRecaptcha
      * @param string $apiHost
      */
-    public function __construct(string $publicKey, bool $enabled, bool $hideBadge, string $apiHost = 'www.google.com')
+    public function __construct(string $publicKey, bool $enabled, bool $hideBadge, bool $externalRecaptcha, ?string $externalRecaptchaMissingMessage, string $apiHost = 'www.google.com')
     {
         parent::__construct($publicKey, $enabled, $apiHost);
 
         $this->hideBadge = $hideBadge;
+        $this->externalRecaptcha = $externalRecaptcha;
+        $this->externalRecaptchaMissingMessage = $externalRecaptchaMissingMessage;
     }
 
     /**
@@ -61,6 +69,8 @@ protected function addCustomVars(FormView $view, FormInterface $form, array $opt
     {
         $view->vars = array_replace($view->vars, [
             'ewz_recaptcha_hide_badge' => $this->hideBadge,
+            'ewz_external_recaptcha_assets' => $this->externalRecaptcha,
+            'external_recaptcha_assets_missing_message' => $this->externalRecaptchaMissingMessage,
             'script_nonce_csp' => $options['script_nonce_csp'] ?? '',
             'action_name' => $options['action_name'] ?? '',
         ]);

src/Resources/config/services.yml

@@ -62,6 +62,7 @@ services:
             - '%ewz_recaptcha.public_key%'
             - '%ewz_recaptcha.enabled%'
             - '%ewz_recaptcha.hide_badge%'
+            - '%ewz_recaptcha.external_recaptcha_assets%'
             - '%ewz_recaptcha.api_host%'
         tags:
             - { name: form.type }

src/Resources/views/Form/v3/ewz_recaptcha_widget.html.twig

@@ -1,7 +1,9 @@
 {% block ewz_recaptcha_widget %}
 {% apply spaceless %}
   {% if form.vars.ewz_recaptcha_enabled %}
-    <script src="{{ form.vars.ewz_recaptcha_api_uri }}?render={{ form.vars.public_key }}"></script>
+    {% if form.vars.ewz_external_recaptcha_assets %}
+      <script src="{{ form.vars.ewz_recaptcha_api_uri }}?render={{ form.vars.public_key }}"></script>
+    {% endif %}
 
     {% if form.vars.ewz_recaptcha_hide_badge %}
       <link rel="stylesheet" href="{{ asset('/bundles/ewzrecaptcha/css/recaptcha.css') }}">
@@ -16,6 +18,18 @@
       grecaptchaForm.addEventListener('submit', function (e) {
         e.preventDefault();
 
+        {% if form.vars.ewz_external_recaptcha_assets %}
+        if (!Object.hasOwn(window, "grecaptcha")) {
+          console.error('Recaptcha not found');
+
+          {% if form.vars.external_recaptcha_assets_missing_message is not null %}
+            alert({{ form.vars.external_recaptcha_assets_missing_message|trans }});
+
+          {% endif %}
+          return;
+        }
+        {% endif %}
+
         grecaptcha.ready(function () {
           grecaptcha.execute('{{ form.vars.public_key }}', { action: '{{ form.vars.action_name|default(constant('EWZ\\Bundle\\RecaptchaBundle\\Form\\Type\\EWZRecaptchaV3Type::DEFAULT_ACTION_NAME')) }}' }).then(function (token) {
             grecaptchaInput.value = token;

tests/Form/Type/EWZRecaptchaV3TypeTest.php

@@ -19,7 +19,7 @@ class EWZRecaptchaV3TypeTest extends TestCase
     protected function setUp(): void
     {
         $requestStack = $this->createMock(RequestStack::class);
-        $this->type = new EWZRecaptchaV3Type('key', true, true, 'www.google.com');
+        $this->type = new EWZRecaptchaV3Type('key', true, true, true, null, 'www.google.com');
     }
 
     /**