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<?php |
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|
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namespace King_Addons; |
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|
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if (!defined('ABSPATH')) { |
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exit; |
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} |
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|
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/** |
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* Shared Form Builder checks for public AJAX requests. |
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*/ |
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class Form_Builder_Security |
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{ |
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/** |
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* Checks whether a published document contains the Form Builder widget. |
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* |
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* @param mixed $page_id Page or post ID from the request. |
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* @return bool True when the document is published and includes Form Builder. |
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*/ |
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public static function page_has_form_builder($page_id): bool |
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{ |
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$page_id = absint($page_id); |
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if ($page_id <= 0) { |
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return false; |
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} |
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|
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$post = get_post($page_id); |
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if (!$post || 'publish' !== $post->post_status) { |
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return false; |
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} |
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|
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$elementor_data = get_post_meta($page_id, '_elementor_data', true); |
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if (empty($elementor_data)) { |
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return false; |
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} |
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|
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if (!is_string($elementor_data)) { |
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$elementor_data = wp_json_encode($elementor_data); |
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} |
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|
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return false !== strpos($elementor_data, 'king-addons-form-builder'); |
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} |
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|
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/** |
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* Validates a page ID for public form submissions. |
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* |
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* Accepts a published page that contains Form Builder. Also accepts a |
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* published source page or template when the widget is injected by Theme |
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* Builder, Header/Footer, or a popup and is therefore not stored on the |
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* queried page. |
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* |
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* @param mixed $page_id Page or post ID from the request. |
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* @return bool True when the page ID is safe to store with a submission. |
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*/ |
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public static function is_valid_submission_page($page_id): bool |
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{ |
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if (self::page_has_form_builder($page_id)) { |
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return true; |
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} |
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|
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$page_id = absint($page_id); |
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if ($page_id <= 0) { |
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return false; |
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} |
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|
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$post = get_post($page_id); |
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if (!$post || 'publish' !== $post->post_status) { |
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return false; |
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} |
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|
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if (is_post_publicly_viewable($post)) { |
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return true; |
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} |
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|
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return in_array( |
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$post->post_type, |
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['elementor_library', 'king-addons-el-hf', 'king_addons_popup'], |
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true |
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); |
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} |
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} |
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|
