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REST API: Return a WP_Error if meta property is not an array.

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Fixes bug where a PHP Warning is currently thrown if a client sends a request where `meta` is not an array value.

Props timmydcrawford, jnylen0, rachelbaker, pento.
Fixes #38989.
Built from https://develop.svn.wordpress.org/trunk@39436


git-svn-id: http://core.svn.wordpress.org/trunk@39376 1a063a9b-81f0-0310-95a4-ce76da25c4cd
This commit is contained in:
Rachel Baker 2016-12-02 21:56:42 +00:00
parent 01fe6a2fac
commit 08b7e8adaf
2 changed files with 30 additions and 7 deletions
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35
wp-includes/rest-api/fields/class-wp-rest-meta-fields.php
View File

@ -117,15 +117,15 @@ abstract class WP_REST_Meta_Fields {
* @since 4.7.0
* @access public
*
* @param WP_REST_Request $request Full details about the request.
* @param array $meta Array of meta parsed from the request.
* @param int $object_id Object ID to fetch meta for.
* @return WP_Error|null WP_Error if one occurs, null on success.
*/
public function update_value( $request, $object_id ) {
public function update_value( $meta, $object_id ) {
$fields = $this->get_registered_fields();
foreach ( $fields as $meta_key => $args ) {
$name = $args['name'];
if ( ! array_key_exists( $name, $request ) ) {
if ( ! array_key_exists( $name, $meta ) ) {
continue;
}
@ -133,7 +133,7 @@ abstract class WP_REST_Meta_Fields {
* A null value means reset the field, which is essentially deleting it
* from the database and then relying on the default value.
*/
if ( is_null( $request[ $name ] ) ) {
if ( is_null( $meta[ $name ] ) ) {
$result = $this->delete_meta_value( $object_id, $meta_key, $name );
if ( is_wp_error( $result ) ) {
return $result;
@ -141,13 +141,13 @@ abstract class WP_REST_Meta_Fields {
continue;
}
$is_valid = rest_validate_value_from_schema( $request[ $name ], $args['schema'], 'meta.' . $name );
$is_valid = rest_validate_value_from_schema( $meta[ $name ], $args['schema'], 'meta.' . $name );
if ( is_wp_error( $is_valid ) ) {
$is_valid->add_data( array( 'status' => 400 ) );
return $is_valid;
}
$value = rest_sanitize_value_from_schema( $request[ $name ], $args['schema'] );
$value = rest_sanitize_value_from_schema( $meta[ $name ], $args['schema'] );
if ( $args['single'] ) {
$result = $this->update_meta_value( $object_id, $meta_key, $name, $value );
@ -391,6 +391,10 @@ abstract class WP_REST_Meta_Fields {
'type' => 'object',
'context' => array( 'view', 'edit' ),
'properties' => array(),
'arg_options' => array(
'sanitize_callback' => null,
'validate_callback' => array( $this, 'check_meta_is_array' ),
),
);
foreach ( $fields as $args ) {
@ -444,4 +448,23 @@ abstract class WP_REST_Meta_Fields {
return $value;
}
/**
* Check the 'meta' value of a request is an associative array.
*
* @since 4.7.0
* @access public
*
* @param mixed $value The meta value submitted in the request.
* @param WP_REST_Request $request Full details about the request.
* @param string $param The parameter name.
* @return WP_Error|string The meta array, if valid, otherwise an error.
*/
public function check_meta_is_array( $value, $request, $param ) {
if ( ! is_array( $value ) ) {
return false;
}
return $value;
}
}

2
wp-includes/version.php
View File

@ -4,7 +4,7 @@
*
* @global string $wp_version
*/
$wp_version = '4.8-alpha-39434';
$wp_version = '4.8-alpha-39436';
/**
* Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.