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3658bca7fd
Ignores meta keys which are considered protected or not registered to be shown in the REST API. Adds tests. Props santosguillamot, swissspidy, gziolo, xknown, peterwilsoncc. Fixes #60651. Built from https://develop.svn.wordpress.org/trunk@57754 git-svn-id: http://core.svn.wordpress.org/trunk@57255 1a063a9b-81f0-0310-95a4-ce76da25c4cd
71 lines
2.0 KiB
PHP
71 lines
2.0 KiB
PHP
<?php
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/**
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* Post Meta source for the block bindings.
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*
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* @since 6.5.0
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* @package WordPress
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* @subpackage Block Bindings
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*/
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/**
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* Gets value for Post Meta source.
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*
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* @since 6.5.0
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* @access private
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*
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* @param array $source_args Array containing source arguments used to look up the override value.
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* Example: array( "key" => "foo" ).
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* @param WP_Block $block_instance The block instance.
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* @return mixed The value computed for the source.
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*/
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function _block_bindings_post_meta_get_value( array $source_args, $block_instance ) {
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if ( empty( $source_args['key'] ) ) {
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return null;
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}
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if ( empty( $block_instance->context['postId'] ) ) {
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return null;
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}
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$post_id = $block_instance->context['postId'];
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// If a post isn't public, we need to prevent unauthorized users from accessing the post meta.
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$post = get_post( $post_id );
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if ( ( ! is_post_publicly_viewable( $post ) && ! current_user_can( 'read_post', $post_id ) ) || post_password_required( $post ) ) {
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return null;
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}
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// Check if the meta field is protected.
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if ( is_protected_meta( $source_args['key'], 'post' ) ) {
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return null;
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}
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// Check if the meta field is registered to be shown in REST.
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$meta_keys = get_registered_meta_keys( 'post', $block_instance->context['postType'] );
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// Add fields registered for all subtypes.
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$meta_keys = array_merge( $meta_keys, get_registered_meta_keys( 'post', '' ) );
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if ( empty( $meta_keys[ $source_args['key'] ]['show_in_rest'] ) ) {
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return null;
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}
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return get_post_meta( $post_id, $source_args['key'], true );
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}
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/**
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* Registers Post Meta source in the block bindings registry.
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*
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* @since 6.5.0
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* @access private
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*/
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function _register_block_bindings_post_meta_source() {
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register_block_bindings_source(
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'core/post-meta',
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array(
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'label' => _x( 'Post Meta', 'block bindings source' ),
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'get_value_callback' => '_block_bindings_post_meta_get_value',
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'uses_context' => array( 'postId', 'postType' ),
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)
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);
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}
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add_action( 'init', '_register_block_bindings_post_meta_source' );
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