Roles/Capabilities: Add meta-caps for comment, term, and user meta.
Additionally, use these meta-caps in the REST API endpoints.
Previously, register_meta()'s auth_callback had no effect for non-post meta. This introduces `{add,edit,delete}_{comment,term,user}_meta` meta-caps to match the existing post meta capabilities. These are currently only used in the REST API.
Props tharsheblows, boonebgorges.
Fixes #38303, fixes #38412.
git-svn-id: https://develop.svn.wordpress.org/trunk@39179 602fd350-edb4-49c9-b593-d223f7449a82
This commit is contained in:
Ryan McCue
parent
cebc30dd67
commit
c20af6e31f
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@ -242,56 +242,77 @@ function map_meta_cap( $cap, $user_id ) {
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case 'edit_post_meta':
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case 'delete_post_meta':
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case 'add_post_meta':
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$post = get_post( $args[0] );
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if ( ! $post ) {
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case 'edit_comment_meta':
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case 'delete_comment_meta':
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case 'add_comment_meta':
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case 'edit_term_meta':
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case 'delete_term_meta':
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case 'add_term_meta':
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case 'edit_user_meta':
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case 'delete_user_meta':
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case 'add_user_meta':
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list( $_, $object_type, $_ ) = explode( '_', $cap );
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$object_id = (int) $args[0];
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switch ( $object_type ) {
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case 'post':
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$post = get_post( $object_id );
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if ( ! $post ) {
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break;
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}
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$sub_type = get_post_type( $post );
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break;
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case 'comment':
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$comment = get_comment( $object_id );
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if ( ! $comment ) {
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break;
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}
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$sub_type = empty( $comment->comment_type ) ? 'comment' : $comment->comment_type;
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break;
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case 'term':
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$term = get_term( $object_id );
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if ( ! $term ) {
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break;
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}
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$sub_type = $term->taxonomy;
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break;
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case 'user':
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$user = get_user_by( 'id', $object_id );
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if ( ! $user ) {
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break;
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}
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$sub_type = 'user';
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break;
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}
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if ( empty( $sub_type ) ) {
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$caps[] = 'do_not_allow';
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break;
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}
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$post_type = get_post_type( $post );
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$caps = map_meta_cap( "edit_{$object_type}", $user_id, $object_id );
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$caps = map_meta_cap( 'edit_post', $user_id, $post->ID );
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$meta_key = isset( $args[1] ) ? $args[1] : false;
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$meta_key = isset( $args[ 1 ] ) ? $args[ 1 ] : false;
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$has_filter = has_filter( "auth_{$object_type}_meta_{$meta_key}" ) || has_filter( "auth_{$object_type}_{$sub_type}_meta_{$meta_key}" );
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if ( $meta_key && $has_filter ) {
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/** This filter is documented in wp-includes/meta.php */
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$allowed = apply_filters( "auth_{$object_type}_meta_{$meta_key}", false, $meta_key, $object_id, $user_id, $cap, $caps );
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if ( $meta_key && ( has_filter( "auth_post_meta_{$meta_key}" ) || has_filter( "auth_post_{$post_type}_meta_{$meta_key}" ) ) ) {
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/**
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* Filters whether the user is allowed to add post meta to a post.
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*
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* The dynamic portion of the hook name, `$meta_key`, refers to the
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* meta key passed to map_meta_cap().
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*
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* @since 3.3.0
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*
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* @param bool $allowed Whether the user can add the post meta. Default false.
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* @param string $meta_key The meta key.
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* @param int $post_id Post ID.
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* @param int $user_id User ID.
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* @param string $cap Capability name.
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* @param array $caps User capabilities.
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*/
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$allowed = apply_filters( "auth_post_meta_{$meta_key}", false, $meta_key, $post->ID, $user_id, $cap, $caps );
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/** This filter is documented in wp-includes/meta.php */
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$allowed = apply_filters( "auth_{$object_type}_{$sub_type}_meta_{$meta_key}", $allowed, $meta_key, $object_id, $user_id, $cap, $caps );
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/**
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* Filters whether the user is allowed to add post meta to a post of a given type.
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*
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* The dynamic portions of the hook name, `$meta_key` and `$post_type`,
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* refer to the meta key passed to map_meta_cap() and the post type, respectively.
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*
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* @since 4.6.0
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*
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* @param bool $allowed Whether the user can add the post meta. Default false.
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* @param string $meta_key The meta key.
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* @param int $post_id Post ID.
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* @param int $user_id User ID.
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* @param string $cap Capability name.
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* @param array $caps User capabilities.
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*/
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$allowed = apply_filters( "auth_post_{$post_type}_meta_{$meta_key}", $allowed, $meta_key, $post->ID, $user_id, $cap, $caps );
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if ( ! $allowed )
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if ( ! $allowed ) {
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$caps[] = $cap;
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} elseif ( $meta_key && is_protected_meta( $meta_key, 'post' ) ) {
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}
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} elseif ( $meta_key && is_protected_meta( $meta_key, $object_type ) ) {
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$caps[] = $cap;
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}
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break;
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@ -631,7 +631,7 @@ class WP_REST_Comments_Controller extends WP_REST_Controller {
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if ( ! $change ) {
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return new WP_Error( 'rest_comment_failed_edit', __( 'Updating comment status failed.' ), array( 'status' => 500 ) );
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}
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} else {
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} elseif ( ! empty( $prepared_args ) ) {
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if ( is_wp_error( $prepared_args ) ) {
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return $prepared_args;
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}
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@ -122,7 +122,6 @@ abstract class WP_REST_Meta_Fields {
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*/
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public function update_value( $request, $object_id ) {
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$fields = $this->get_registered_fields();
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foreach ( $fields as $name => $args ) {
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if ( ! array_key_exists( $name, $request ) ) {
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continue;
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@ -159,7 +158,8 @@ abstract class WP_REST_Meta_Fields {
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* @return bool|WP_Error True if meta field is deleted, WP_Error otherwise.
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*/
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protected function delete_meta_value( $object_id, $name ) {
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if ( ! current_user_can( 'delete_post_meta', $object_id, $name ) ) {
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$meta_type = $this->get_meta_type();
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if ( ! current_user_can( "delete_{$meta_type}_meta", $object_id, $name ) ) {
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return new WP_Error(
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'rest_cannot_delete',
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sprintf( __( 'You do not have permission to edit the %s custom field.' ), $name ),
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@ -167,7 +167,7 @@ abstract class WP_REST_Meta_Fields {
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);
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}
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if ( ! delete_metadata( $this->get_meta_type(), $object_id, wp_slash( $name ) ) ) {
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if ( ! delete_metadata( $meta_type, $object_id, wp_slash( $name ) ) ) {
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return new WP_Error(
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'rest_meta_database_error',
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__( 'Could not delete meta value from database.' ),
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@ -192,7 +192,8 @@ abstract class WP_REST_Meta_Fields {
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* @return bool|WP_Error True if meta fields are updated, WP_Error otherwise.
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*/
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protected function update_multi_meta_value( $object_id, $name, $values ) {
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if ( ! current_user_can( 'edit_post_meta', $object_id, $name ) ) {
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$meta_type = $this->get_meta_type();
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if ( ! current_user_can( "edit_{$meta_type}_meta", $object_id, $name ) ) {
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return new WP_Error(
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'rest_cannot_update',
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sprintf( __( 'You do not have permission to edit the %s custom field.' ), $name ),
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@ -200,7 +201,7 @@ abstract class WP_REST_Meta_Fields {
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);
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}
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$current = get_metadata( $this->get_meta_type(), $object_id, $name, false );
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$current = get_metadata( $meta_type, $object_id, $name, false );
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$to_remove = $current;
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$to_add = $values;
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@ -227,7 +228,7 @@ abstract class WP_REST_Meta_Fields {
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$to_remove = array_unique( $to_remove );
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foreach ( $to_remove as $value ) {
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if ( ! delete_metadata( $this->get_meta_type(), $object_id, wp_slash( $name ), wp_slash( $value ) ) ) {
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if ( ! delete_metadata( $meta_type, $object_id, wp_slash( $name ), wp_slash( $value ) ) ) {
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return new WP_Error(
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'rest_meta_database_error',
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__( 'Could not update meta value in database.' ),
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@ -237,7 +238,7 @@ abstract class WP_REST_Meta_Fields {
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}
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foreach ( $to_add as $value ) {
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if ( ! add_metadata( $this->get_meta_type(), $object_id, wp_slash( $name ), wp_slash( $value ) ) ) {
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if ( ! add_metadata( $meta_type, $object_id, wp_slash( $name ), wp_slash( $value ) ) ) {
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return new WP_Error(
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'rest_meta_database_error',
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__( 'Could not update meta value in database.' ),
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@ -261,7 +262,8 @@ abstract class WP_REST_Meta_Fields {
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* @return bool|WP_Error True if the meta field was updated, WP_Error otherwise.
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*/
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protected function update_meta_value( $object_id, $name, $value ) {
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if ( ! current_user_can( 'edit_post_meta', $object_id, $name ) ) {
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$meta_type = $this->get_meta_type();
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if ( ! current_user_can( "edit_{$meta_type}_meta", $object_id, $name ) ) {
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return new WP_Error(
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'rest_cannot_update',
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sprintf( __( 'You do not have permission to edit the %s custom field.' ), $name ),
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@ -269,7 +271,6 @@ abstract class WP_REST_Meta_Fields {
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);
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}
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$meta_type = $this->get_meta_type();
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$meta_key = wp_slash( $name );
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$meta_value = wp_slash( $value );
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@ -431,10 +431,19 @@ class Tests_User_Capabilities extends WP_UnitTestCase {
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$expected['delete_post_meta'],
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$expected['add_post_meta'],
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$expected['edit_comment'],
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$expected['edit_comment_meta'],
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$expected['delete_comment_meta'],
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$expected['add_comment_meta'],
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$expected['edit_term'],
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$expected['delete_term'],
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$expected['assign_term'],
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$expected['delete_user']
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$expected['edit_term_meta'],
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$expected['delete_term_meta'],
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$expected['add_term_meta'],
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$expected['delete_user'],
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$expected['edit_user_meta'],
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$expected['delete_user_meta'],
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$expected['add_user_meta']
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);
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$expected = array_keys( $expected );
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@ -1663,4 +1672,85 @@ class Tests_User_Capabilities extends WP_UnitTestCase {
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$wp_roles = new WP_Roles();
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$wp_roles->reinit();
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}
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/**
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* @ticket 38412
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*/
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public function test_no_one_can_edit_user_meta_for_non_existent_term() {
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wp_set_current_user( self::$super_admin->ID );
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$this->assertFalse( current_user_can( 'edit_user_meta', 999999 ) );
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}
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/**
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* @ticket 38412
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*/
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public function test_user_can_edit_user_meta() {
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wp_set_current_user( self::$users['administrator']->ID );
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if ( is_multisite() ) {
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grant_super_admin( self::$users['administrator']->ID );
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}
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$this->assertTrue( current_user_can( 'edit_user_meta', self::$users['subscriber']->ID, 'foo' ) );
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}
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/**
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* @ticket 38412
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*/
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public function test_user_cannot_edit_user_meta() {
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wp_set_current_user( self::$users['editor']->ID );
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$this->assertFalse( current_user_can( 'edit_user_meta', self::$users['subscriber']->ID, 'foo' ) );
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}
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/**
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* @ticket 38412
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*/
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public function test_no_one_can_delete_user_meta_for_non_existent_term() {
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wp_set_current_user( self::$super_admin->ID );
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$this->assertFalse( current_user_can( 'delete_user_meta', 999999, 'foo' ) );
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}
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/**
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* @ticket 38412
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*/
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public function test_user_can_delete_user_meta() {
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wp_set_current_user( self::$users['administrator']->ID );
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if ( is_multisite() ) {
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grant_super_admin( self::$users['administrator']->ID );
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}
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$this->assertTrue( current_user_can( 'delete_user_meta', self::$users['subscriber']->ID, 'foo' ) );
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}
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/**
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* @ticket 38412
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*/
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public function test_user_cannot_delete_user_meta() {
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wp_set_current_user( self::$users['editor']->ID );
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$this->assertFalse( current_user_can( 'delete_user_meta', self::$users['subscriber']->ID, 'foo' ) );
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}
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/**
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* @ticket 38412
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*/
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public function test_no_one_can_add_user_meta_for_non_existent_term() {
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wp_set_current_user( self::$super_admin->ID );
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$this->assertFalse( current_user_can( 'add_user_meta', 999999, 'foo' ) );
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}
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/**
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* @ticket 38412
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*/
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public function test_user_can_add_user_meta() {
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wp_set_current_user( self::$users['administrator']->ID );
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if ( is_multisite() ) {
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grant_super_admin( self::$users['administrator']->ID );
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}
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$this->assertTrue( current_user_can( 'add_user_meta', self::$users['subscriber']->ID, 'foo' ) );
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}
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/**
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* @ticket 38412
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*/
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public function test_user_cannot_add_user_meta() {
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wp_set_current_user( self::$users['editor']->ID );
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$this->assertFalse( current_user_can( 'add_user_meta', self::$users['subscriber']->ID, 'foo' ) );
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}
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}
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