diff options
Diffstat (limited to 'wp-includes/rest-api/endpoints/class-wp-rest-global-styles-revisions-controller.php')
| -rw-r--r-- | wp-includes/rest-api/endpoints/class-wp-rest-global-styles-revisions-controller.php | 474 |
1 files changed, 474 insertions, 0 deletions
diff --git a/wp-includes/rest-api/endpoints/class-wp-rest-global-styles-revisions-controller.php b/wp-includes/rest-api/endpoints/class-wp-rest-global-styles-revisions-controller.php new file mode 100644 index 0000000..9ce7e2b --- /dev/null +++ b/wp-includes/rest-api/endpoints/class-wp-rest-global-styles-revisions-controller.php @@ -0,0 +1,474 @@ +<?php +/** + * REST API: WP_REST_Global_Styles_Revisions_Controller class + * + * @package WordPress + * @subpackage REST_API + * @since 6.3.0 + */ + +/** + * Core class used to access global styles revisions via the REST API. + * + * @since 6.3.0 + * + * @see WP_REST_Controller + */ +class WP_REST_Global_Styles_Revisions_Controller extends WP_REST_Controller { + /** + * Parent post type. + * + * @since 6.3.0 + * @var string + */ + protected $parent_post_type; + + /** + * The base of the parent controller's route. + * + * @since 6.3.0 + * @var string + */ + protected $parent_base; + + /** + * Constructor. + * + * @since 6.3.0 + */ + public function __construct() { + $this->parent_post_type = 'wp_global_styles'; + $this->rest_base = 'revisions'; + $this->parent_base = 'global-styles'; + $this->namespace = 'wp/v2'; + } + + /** + * Registers the controller's routes. + * + * @since 6.3.0 + */ + public function register_routes() { + register_rest_route( + $this->namespace, + '/' . $this->parent_base . '/(?P<parent>[\d]+)/' . $this->rest_base, + array( + 'args' => array( + 'parent' => array( + 'description' => __( 'The ID for the parent of the revision.' ), + 'type' => 'integer', + ), + ), + array( + 'methods' => WP_REST_Server::READABLE, + 'callback' => array( $this, 'get_items' ), + 'permission_callback' => array( $this, 'get_item_permissions_check' ), + 'args' => $this->get_collection_params(), + ), + 'schema' => array( $this, 'get_public_item_schema' ), + ) + ); + } + + /** + * Retrieves the query params for collections. + * + * Inherits from WP_REST_Controller::get_collection_params(), + * also reflects changes to return value WP_REST_Revisions_Controller::get_collection_params(). + * + * @since 6.3.0 + * + * @return array Collection parameters. + */ + public function get_collection_params() { + $collection_params = parent::get_collection_params(); + $collection_params['context']['default'] = 'view'; + $collection_params['offset'] = array( + 'description' => __( 'Offset the result set by a specific number of items.' ), + 'type' => 'integer', + ); + unset( $collection_params['search'] ); + unset( $collection_params['per_page']['default'] ); + + return $collection_params; + } + + /** + * Returns decoded JSON from post content string, + * or a 404 if not found. + * + * @since 6.3.0 + * + * @param string $raw_json Encoded JSON from global styles custom post content. + * @return Array|WP_Error + */ + protected function get_decoded_global_styles_json( $raw_json ) { + $decoded_json = json_decode( $raw_json, true ); + + if ( is_array( $decoded_json ) && isset( $decoded_json['isGlobalStylesUserThemeJSON'] ) && true === $decoded_json['isGlobalStylesUserThemeJSON'] ) { + return $decoded_json; + } + + return new WP_Error( + 'rest_global_styles_not_found', + __( 'Cannot find user global styles revisions.' ), + array( 'status' => 404 ) + ); + } + + /** + * Returns paginated revisions of the given global styles config custom post type. + * + * The bulk of the body is taken from WP_REST_Revisions_Controller->get_items, + * but global styles does not require as many parameters. + * + * @since 6.3.0 + * + * @param WP_REST_Request $request The request instance. + * @return WP_REST_Response|WP_Error + */ + public function get_items( $request ) { + $parent = $this->get_parent( $request['parent'] ); + + if ( is_wp_error( $parent ) ) { + return $parent; + } + + $global_styles_config = $this->get_decoded_global_styles_json( $parent->post_content ); + + if ( is_wp_error( $global_styles_config ) ) { + return $global_styles_config; + } + + if ( wp_revisions_enabled( $parent ) ) { + $registered = $this->get_collection_params(); + $query_args = array( + 'post_parent' => $parent->ID, + 'post_type' => 'revision', + 'post_status' => 'inherit', + 'posts_per_page' => -1, + 'orderby' => 'date ID', + 'order' => 'DESC', + ); + + $parameter_mappings = array( + 'offset' => 'offset', + 'page' => 'paged', + 'per_page' => 'posts_per_page', + ); + + foreach ( $parameter_mappings as $api_param => $wp_param ) { + if ( isset( $registered[ $api_param ], $request[ $api_param ] ) ) { + $query_args[ $wp_param ] = $request[ $api_param ]; + } + } + + $revisions_query = new WP_Query(); + $revisions = $revisions_query->query( $query_args ); + $offset = isset( $query_args['offset'] ) ? (int) $query_args['offset'] : 0; + $page = (int) $query_args['paged']; + $total_revisions = $revisions_query->found_posts; + + if ( $total_revisions < 1 ) { + // Out-of-bounds, run the query again without LIMIT for total count. + unset( $query_args['paged'], $query_args['offset'] ); + $count_query = new WP_Query(); + $count_query->query( $query_args ); + + $total_revisions = $count_query->found_posts; + } + + if ( $revisions_query->query_vars['posts_per_page'] > 0 ) { + $max_pages = ceil( $total_revisions / (int) $revisions_query->query_vars['posts_per_page'] ); + } else { + $max_pages = $total_revisions > 0 ? 1 : 0; + } + if ( $total_revisions > 0 ) { + if ( $offset >= $total_revisions ) { + return new WP_Error( + 'rest_revision_invalid_offset_number', + __( 'The offset number requested is larger than or equal to the number of available revisions.' ), + array( 'status' => 400 ) + ); + } elseif ( ! $offset && $page > $max_pages ) { + return new WP_Error( + 'rest_revision_invalid_page_number', + __( 'The page number requested is larger than the number of pages available.' ), + array( 'status' => 400 ) + ); + } + } + } else { + $revisions = array(); + $total_revisions = 0; + $max_pages = 0; + $page = (int) $request['page']; + } + + $response = array(); + + foreach ( $revisions as $revision ) { + $data = $this->prepare_item_for_response( $revision, $request ); + $response[] = $this->prepare_response_for_collection( $data ); + } + + $response = rest_ensure_response( $response ); + + $response->header( 'X-WP-Total', (int) $total_revisions ); + $response->header( 'X-WP-TotalPages', (int) $max_pages ); + + $request_params = $request->get_query_params(); + $base_path = rest_url( sprintf( '%s/%s/%d/%s', $this->namespace, $this->parent_base, $request['parent'], $this->rest_base ) ); + $base = add_query_arg( urlencode_deep( $request_params ), $base_path ); + + if ( $page > 1 ) { + $prev_page = $page - 1; + + if ( $prev_page > $max_pages ) { + $prev_page = $max_pages; + } + + $prev_link = add_query_arg( 'page', $prev_page, $base ); + $response->link_header( 'prev', $prev_link ); + } + if ( $max_pages > $page ) { + $next_page = $page + 1; + $next_link = add_query_arg( 'page', $next_page, $base ); + + $response->link_header( 'next', $next_link ); + } + + return $response; + } + + /** + * Checks the post_date_gmt or modified_gmt and prepare any post or + * modified date for single post output. + * + * Duplicate of WP_REST_Revisions_Controller::prepare_date_response. + * + * @since 6.3.0 + * + * @param string $date_gmt GMT publication time. + * @param string|null $date Optional. Local publication time. Default null. + * @return string|null ISO8601/RFC3339 formatted datetime, otherwise null. + */ + protected function prepare_date_response( $date_gmt, $date = null ) { + if ( '0000-00-00 00:00:00' === $date_gmt ) { + return null; + } + + if ( isset( $date ) ) { + return mysql_to_rfc3339( $date ); + } + + return mysql_to_rfc3339( $date_gmt ); + } + + /** + * Prepares the revision for the REST response. + * + * @since 6.3.0 + * + * @param WP_Post $post Post revision object. + * @param WP_REST_Request $request Request object. + * @return WP_REST_Response|WP_Error Response object. + */ + public function prepare_item_for_response( $post, $request ) { + $parent = $this->get_parent( $request['parent'] ); + $global_styles_config = $this->get_decoded_global_styles_json( $post->post_content ); + + if ( is_wp_error( $global_styles_config ) ) { + return $global_styles_config; + } + + $fields = $this->get_fields_for_response( $request ); + $data = array(); + + if ( ! empty( $global_styles_config['styles'] ) || ! empty( $global_styles_config['settings'] ) ) { + $global_styles_config = ( new WP_Theme_JSON( $global_styles_config, 'custom' ) )->get_raw_data(); + if ( rest_is_field_included( 'settings', $fields ) ) { + $data['settings'] = ! empty( $global_styles_config['settings'] ) ? $global_styles_config['settings'] : new stdClass(); + } + if ( rest_is_field_included( 'styles', $fields ) ) { + $data['styles'] = ! empty( $global_styles_config['styles'] ) ? $global_styles_config['styles'] : new stdClass(); + } + } + + if ( rest_is_field_included( 'author', $fields ) ) { + $data['author'] = (int) $post->post_author; + } + + if ( rest_is_field_included( 'date', $fields ) ) { + $data['date'] = $this->prepare_date_response( $post->post_date_gmt, $post->post_date ); + } + + if ( rest_is_field_included( 'date_gmt', $fields ) ) { + $data['date_gmt'] = $this->prepare_date_response( $post->post_date_gmt ); + } + + if ( rest_is_field_included( 'id', $fields ) ) { + $data['id'] = (int) $post->ID; + } + + if ( rest_is_field_included( 'modified', $fields ) ) { + $data['modified'] = $this->prepare_date_response( $post->post_modified_gmt, $post->post_modified ); + } + + if ( rest_is_field_included( 'modified_gmt', $fields ) ) { + $data['modified_gmt'] = $this->prepare_date_response( $post->post_modified_gmt ); + } + + if ( rest_is_field_included( 'parent', $fields ) ) { + $data['parent'] = (int) $parent->ID; + } + + $context = ! empty( $request['context'] ) ? $request['context'] : 'view'; + $data = $this->add_additional_fields_to_object( $data, $request ); + $data = $this->filter_response_by_context( $data, $context ); + + return rest_ensure_response( $data ); + } + + /** + * Retrieves the revision's schema, conforming to JSON Schema. + * + * @since 6.3.0 + * + * @return array Item schema data. + */ + public function get_item_schema() { + if ( $this->schema ) { + return $this->add_additional_fields_schema( $this->schema ); + } + + $schema = array( + '$schema' => 'http://json-schema.org/draft-04/schema#', + 'title' => "{$this->parent_post_type}-revision", + 'type' => 'object', + // Base properties for every revision. + 'properties' => array( + + /* + * Adds settings and styles from the WP_REST_Revisions_Controller item fields. + * Leaves out GUID as global styles shouldn't be accessible via URL. + */ + 'author' => array( + 'description' => __( 'The ID for the author of the revision.' ), + 'type' => 'integer', + 'context' => array( 'view', 'edit', 'embed' ), + ), + 'date' => array( + 'description' => __( "The date the revision was published, in the site's timezone." ), + 'type' => 'string', + 'format' => 'date-time', + 'context' => array( 'view', 'edit', 'embed' ), + ), + 'date_gmt' => array( + 'description' => __( 'The date the revision was published, as GMT.' ), + 'type' => 'string', + 'format' => 'date-time', + 'context' => array( 'view', 'edit' ), + ), + 'id' => array( + 'description' => __( 'Unique identifier for the revision.' ), + 'type' => 'integer', + 'context' => array( 'view', 'edit', 'embed' ), + ), + 'modified' => array( + 'description' => __( "The date the revision was last modified, in the site's timezone." ), + 'type' => 'string', + 'format' => 'date-time', + 'context' => array( 'view', 'edit' ), + ), + 'modified_gmt' => array( + 'description' => __( 'The date the revision was last modified, as GMT.' ), + 'type' => 'string', + 'format' => 'date-time', + 'context' => array( 'view', 'edit' ), + ), + 'parent' => array( + 'description' => __( 'The ID for the parent of the revision.' ), + 'type' => 'integer', + 'context' => array( 'view', 'edit', 'embed' ), + ), + + // Adds settings and styles from the WP_REST_Global_Styles_Controller parent schema. + 'styles' => array( + 'description' => __( 'Global styles.' ), + 'type' => array( 'object' ), + 'context' => array( 'view', 'edit' ), + ), + 'settings' => array( + 'description' => __( 'Global settings.' ), + 'type' => array( 'object' ), + 'context' => array( 'view', 'edit' ), + ), + ), + ); + + $this->schema = $schema; + + return $this->add_additional_fields_schema( $this->schema ); + } + + /** + * Checks if a given request has access to read a single global style. + * + * @since 6.3.0 + * + * @param WP_REST_Request $request Full details about the request. + * @return true|WP_Error True if the request has read access, WP_Error object otherwise. + */ + public function get_item_permissions_check( $request ) { + $post = $this->get_parent( $request['parent'] ); + if ( is_wp_error( $post ) ) { + return $post; + } + + /* + * The same check as WP_REST_Global_Styles_Controller::get_item_permissions_check. + */ + if ( ! current_user_can( 'read_post', $post->ID ) ) { + return new WP_Error( + 'rest_cannot_view', + __( 'Sorry, you are not allowed to view revisions for this global style.' ), + array( 'status' => rest_authorization_required_code() ) + ); + } + + return true; + } + + /** + * Gets the parent post, if the ID is valid. + * + * Duplicate of WP_REST_Revisions_Controller::get_parent. + * + * @since 6.3.0 + * + * @param int $parent_post_id Supplied ID. + * @return WP_Post|WP_Error Post object if ID is valid, WP_Error otherwise. + */ + protected function get_parent( $parent_post_id ) { + $error = new WP_Error( + 'rest_post_invalid_parent', + __( 'Invalid post parent ID.' ), + array( 'status' => 404 ) + ); + + if ( (int) $parent_post_id <= 0 ) { + return $error; + } + + $parent_post = get_post( (int) $parent_post_id ); + + if ( empty( $parent_post ) || empty( $parent_post->ID ) + || $this->parent_post_type !== $parent_post->post_type + ) { + return $error; + } + + return $parent_post; + } +} |