← All changes | includes/blocks/block-helper.php +116 -7 3.6.2.1 → 3.6.6 View file →

		@@ -4,8 +4,9 @@
4	4	namespace Jet_Form_Builder\Blocks;
5	5
6	6	use Jet_Form_Builder\Blocks\Types\Base;
7	7	use Jet_Form_Builder\Form_Manager;
	8	+use JFB_Modules\Post_Type\Module as Post_Type_Module;
8	9
9	10	// If this file is called directly, abort.
10	11	if ( ! defined( 'WPINC' ) ) {
11	12	die;
		@@ -17,8 +18,11 @@
17	18	* @package Jet_Form_Builder\Blocks
18	19	*/
19	20	class Block_Helper {
20	21
	22	+ const PREVIEW_NONCE_FIELD = 'jfb_preview_nonce';
	23	+ const PREVIEW_NONCE_ACTION = 'jfb-preview-form';
	24	+
21	25	/**
22	26	* @since 3.1.1
23	27	*
24	28	* @param $parsed_block
		@@ -182,29 +186,111 @@
182	186	}
183	187	}
184	188	}
185	189
186		- public static function get_blocks_by_post( $post_id ): array {
	190	+ public static function is_valid_form_post( $post_id, bool $allow_preview = false ): bool {
187	191	$post = get_post( $post_id );
188	192
189	193	if ( ! is_a( $post, \WP_Post::class ) ) {
	194	+ return false;
	195	+ }
	196	+
	197	+ if (
	198	+ Post_Type_Module::SLUG === $post->post_type
	199	+ && 'publish' === $post->post_status
	200	+ ) {
	201	+ return true;
	202	+ }
	203	+
	204	+ return $allow_preview && self::is_valid_preview_form_post( $post );
	205	+ }
	206	+
	207	+ public static function is_valid_preview_form_post( $post_id ): bool {
	208	+ $post = get_post( $post_id );
	209	+
	210	+ if ( ! is_a( $post, \WP_Post::class ) ) {
	211	+ return false;
	212	+ }
	213	+
	214	+ $nonce = self::get_preview_nonce();
	215	+
	216	+ if ( ! $nonce || ! wp_verify_nonce( $nonce, self::PREVIEW_NONCE_ACTION ) ) {
	217	+ return false;
	218	+ }
	219	+
	220	+ if ( Post_Type_Module::SLUG === $post->post_type ) {
	221	+ return current_user_can( 'edit_jet_fb_form', $post->ID );
	222	+ }
	223	+
	224	+ if ( 'revision' !== $post->post_type ) {
	225	+ return false;
	226	+ }
	227	+
	228	+ $parent_form_id = (int) $post->post_parent;
	229	+ $parent_form = $parent_form_id ? get_post( $parent_form_id ) : null;
	230	+
	231	+ if ( ! $parent_form || Post_Type_Module::SLUG !== $parent_form->post_type ) {
	232	+ return false;
	233	+ }
	234	+
	235	+ return current_user_can( 'edit_jet_fb_form', $parent_form_id );
	236	+ }
	237	+
	238	+ public static function get_preview_nonce(): string {
	239	+ // phpcs:ignore WordPress.Security.NonceVerification.Recommended
	240	+ if ( empty( $_REQUEST[ self::PREVIEW_NONCE_FIELD ] ) ) {
	241	+ return '';
	242	+ }
	243	+
	244	+ // phpcs:ignore WordPress.Security.NonceVerification.Recommended
	245	+ return sanitize_text_field( wp_unslash( $_REQUEST[ self::PREVIEW_NONCE_FIELD ] ) );
	246	+ }
	247	+
	248	+ public static function get_blocks_by_post(
	249	+ $post_id,
	250	+ bool $require_form_post = true,
	251	+ bool $allow_preview = false
	252	+ ): array {
	253	+ $post = get_post( $post_id );
	254	+
	255	+ if ( ! is_a( $post, \WP_Post::class ) ) {
190	256	return array();
191	257	}
192	258
	259	+ if ( $require_form_post && ! self::is_valid_form_post( $post, $allow_preview ) ) {
	260	+ return array();
	261	+ }
	262	+
	263	+ return self::get_blocks_from_content( $post->post_content );
	264	+ }
	265	+
	266	+ /**
	267	+ * Parses block content and expands reusable (`core/block`) references in exactly the
	268	+ * same way as `get_blocks_by_post()`.
	269	+ *
	270	+ * @param string $post_content
	271	+ *
	272	+ * @return array
	273	+ */
	274	+ public static function get_blocks_from_content( string $post_content ): array {
193	275	return array_map(
194	276	function ( $block ) {
195		- self::walk_by_reusable( $block );
	277	+ self::walk_by_reusable( $block, array() );
196	278
197	279	return $block;
198	280	},
199		- parse_blocks( $post->post_content )
	281	+ parse_blocks( $post_content )
200	282	);
201	283	}
202	284
203		- private static function walk_by_reusable( array &$block ) {
	285	+ /**
	286	+ * @param array $block
	287	+ * @param array $visited_reusable_ids IDs already visited in the current reference path.
	288	+ */
	289	+ private static function walk_by_reusable( array &$block, array $visited_reusable_ids ) {
204	290	if ( ! empty( $block['innerBlocks'] ) ) {
205	291	foreach ( $block['innerBlocks'] as &$current ) {
206		- self::walk_by_reusable( $current );
	292	+ self::walk_by_reusable( $current, $visited_reusable_ids );
207	293	}
208	294
209	295	return;
210	296	}
		@@ -212,10 +298,33 @@
212	298	if ( 'core/block' !== $block['blockName'] ) {
213	299	return;
214	300	}
215	301
216		- $reusable_id = $block['attrs']['ref'] ?? 0;
217		- $block['innerBlocks'] = self::get_blocks_by_post( $reusable_id );
	302	+ $reusable_id = (int) ( $block['attrs']['ref'] ?? 0 );
	303	+
	304	+ if ( ! $reusable_id || isset( $visited_reusable_ids[ $reusable_id ] ) ) {
	305	+ $block['innerBlocks'] = array();
	306	+
	307	+ return;
	308	+ }
	309	+
	310	+ $reusable = get_post( $reusable_id );
	311	+
	312	+ if ( ! $reusable instanceof \WP_Post ) {
	313	+ $block['innerBlocks'] = array();
	314	+
	315	+ return;
	316	+ }
	317	+
	318	+ $visited_reusable_ids[ $reusable_id ] = true;
	319	+ $block['innerBlocks'] = array_map(
	320	+ function ( $inner_block ) use ( $visited_reusable_ids ) {
	321	+ self::walk_by_reusable( $inner_block, $visited_reusable_ids );
	322	+
	323	+ return $inner_block;
	324	+ },
	325	+ parse_blocks( $reusable->post_content )
	326	+ );
218	327	}
219	328
220	329	public static function delete_namespace( $block ): string {
221	330	if ( is_array( $block ) ) {