type = 'adcaptcha';
$this->verify = new Verify();
$this->setup();
}
private function setup(): void {
if (!class_exists('GF_Fields')) {
return;
}
if (GF_Fields::get('adcaptcha')) {
return;
}
try {
if (!GF_Fields::get('adcaptcha')) {
GF_Fields::register($this);
}
} catch (Exception $e) {
throw $e;
}
$this->setup_hooks();
}
private function setup_hooks(): void {
add_action('wp_enqueue_scripts', [AdCaptcha::class, 'enqueue_scripts'], 9);
add_action( 'wp_enqueue_scripts', [ Verify::class, 'get_success_token' ] );
add_filter('gform_field_groups_form_editor', [$this, 'add_to_field_groups']);
add_filter('gform_field_content', [$this, 'modify_gform_field_content'], 10, 2);
add_filter('gform_validation', [$this, 'verify_captcha']);
add_action('admin_head', [$this, 'custom_admin_field_icon_style']);
add_action('admin_init', [$this, 'update_adcaptcha_label']);
add_action('admin_footer', [$this, 'enqueue_admin_script']);
add_filter('gform_pre_render', [$this, 'handle_adcaptcha_token']);
add_action('gform_preview_body_open', [$this, 'enqueue_preview_scripts']);
}
public function add_to_field_groups($field_groups): array {
foreach ($field_groups['advanced_fields']['fields'] as $field) {
if ($field['data-type'] === 'adcaptcha') {
return $field_groups;
}
}
$field_groups['advanced_fields']['fields'][] = [
'data-type' => (string) $this->type,
'value' => $this->get_form_editor_field_title(),
'label' => $this->get_form_editor_field_title(),
];
return $field_groups;
}
public function modify_gform_field_content($content, $field) {
if ($field->type === 'adcaptcha') {
return str_replace($field->get_field_label(false, ''), '', $content);
}
return $content;
}
public function verify_captcha($validation_result) {
$form = $validation_result['form'];
$is_valid = $validation_result['is_valid'];
foreach ($form['fields'] as &$field) {
if ($field->type === 'adcaptcha') {
$successToken = sanitize_text_field(wp_unslash($_POST['adcaptcha_successToken'] ?? ''));
if (empty($successToken) || trim($successToken) === '') {
$field->failed_validation = true;
$field->validation_message = __('Incomplete CAPTCHA, Please try again.', 'adcaptcha');
$is_valid = false;
}
if($is_valid) {
$response = $this->verify->verify_token($successToken);
if (!$response) {
$field->failed_validation = true;
$field->validation_message = __('Invalid token.', 'adcaptcha');
$is_valid = false;
}
}
}
}
$validation_result['is_valid'] = $is_valid;
$validation_result['form'] = $form;
return $validation_result;
}
public function custom_admin_field_icon_style() {
echo '';
}
public function update_adcaptcha_label() {
$forms = GFAPI::get_forms();
if (!$forms || !is_array($forms)) {
return;
}
foreach ($forms as $form) {
$updated = false;
foreach ($form['fields'] as &$field) {
if ($field->type === 'adcaptcha' && $field->label !== __('adCAPTCHA', 'adcaptcha')) {
$field->label = __('adCAPTCHA', 'adcaptcha');
$updated = true;
}
}
if ($updated) {
GFAPI::update_form($form);
}
}
}
public function enqueue_admin_script() {
?>
document.addEventListener('DOMContentLoaded', function() {
let adCaptchaField = document.querySelector('.adcaptcha_successToken');
if (adCaptchaField) {
setTimeout(function() {
if (window.adcap) {
window.adcap.setVerificationState('success');
adCaptchaField.value = '{$successToken}';
}
}, 500);
}
});
";
}
return $form;
}
public function enqueue_preview_scripts($form_id) {
echo "";
}
public function get_field_input($form, $value = '', $entry = null) {
$form_id = $form['id'] ?? null;
if ($form_id === null) {
return '';
}
$field_id = (int) $this->id;
if ($this->is_form_editor()) {
return "adCAPTCHA will be rendered here.
";
}
$captcha_html = AdCaptcha::ob_captcha_trigger();
$input = "" .
$captcha_html .
"
";
$input .= "";
return $input;
}
public function get_form_editor_field_title() {
return esc_html__('adCAPTCHA', 'adcaptcha');
}
public function get_form_editor_field_settings() {
return [ 'description_setting', 'error_message_setting', 'label_placement_setting', 'css_class_setting',];
}
public function get_form_editor_field_description() {
return esc_attr__(
'Adds an adCAPTCHA verification field to enhance security and prevent spam submissions on your forms.',
'adcaptcha-for-forms'
);
}
public function get_form_editor_field_icon() {
return plugin_dir_url( __FILE__ ) . '../../../assets/adcaptcha_icon.png';
}
}