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<?php /** * REST API: WP_REST_Font_Faces_Controller class * * @package WordPress * @subpackage REST_API * @since 6.5.0 / /* * Class to access font faces through the REST API. / class WP_REST_Font_Faces_Controller extends WP_REST_Posts_Controller { /* * The latest version of theme.json schema supported by the controller. * * @since 6.5.0 * @var int / const LATEST_THEME_JSON_VERSION_SUPPORTED = 3; /* * Whether the controller supports batching. * * @since 6.5.0 * @var false / protected $allow_batch = false; /* * Registers the routes for posts. * * @since 6.5.0 * * @see register_rest_route() / public function register_routes() { register_rest_route( $this->namespace, '/' . $this->rest_base, array( 'args' => array( 'font_family_id' => array( 'description' => __( 'The ID for the parent font family of the font face.' ), 'type' => 'integer', 'required' => true, ), ), array( 'methods' => WP_REST_Server::READABLE, 'callback' => array( $this, 'get_items' ), 'permission_callback' => array( $this, 'get_items_permissions_check' ), 'args' => $this->get_collection_params(), ), array( 'methods' => WP_REST_Server::CREATABLE, 'callback' => array( $this, 'create_item' ), 'permission_callback' => array( $this, 'create_item_permissions_check' ), 'args' => $this->get_create_params(), ), 'schema' => array( $this, 'get_public_item_schema' ), ) ); register_rest_route( $this->namespace, '/' . $this->rest_base . '/(?P<id>[\d]+)', array( 'args' => array( 'font_family_id' => array( 'description' => __( 'The ID for the parent font family of the font face.' ), 'type' => 'integer', 'required' => true, ), 'id' => array( 'description' => __( 'Unique identifier for the font face.' ), 'type' => 'integer', 'required' => true, ), ), array( 'methods' => WP_REST_Server::READABLE, 'callback' => array( $this, 'get_item' ), 'permission_callback' => array( $this, 'get_item_permissions_check' ), 'args' => array( 'context' => $this->get_context_param( array( 'default' => 'view' ) ), ), ), array( 'methods' => WP_REST_Server::DELETABLE, 'callback' => array( $this, 'delete_item' ), 'permission_callback' => array( $this, 'delete_item_permissions_check' ), 'args' => array( 'force' => array( 'type' => 'boolean', 'default' => false, 'description' => __( 'Whether to bypass Trash and force deletion.', 'default' ), ), ), ), 'schema' => array( $this, 'get_public_item_schema' ), ) ); } /* * Checks if a given request has access to font faces. * * @since 6.5.0 * * @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_items_permissions_check( $request ) { $post_type = get_post_type_object( $this->post_type ); if ( ! current_user_can( $post_type->cap->read ) ) { return new WP_Error( 'rest_cannot_read', __( 'Sorry, you are not allowed to access font faces.' ), array( 'status' => rest_authorization_required_code() ) ); } return true; } /* * Checks if a given request has access to a font face. * * @since 6.5.0 * * @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_post( $request['id'] ); if ( is_wp_error( $post ) ) { return $post; } if ( ! current_user_can( 'read_post', $post->ID ) ) { return new WP_Error( 'rest_cannot_read', __( 'Sorry, you are not allowed to access this font face.' ), array( 'status' => rest_authorization_required_code() ) ); } return true; } /* * Validates settings when creating a font face. * * @since 6.5.0 * * @param string $value Encoded JSON string of font face settings. * @param WP_REST_Request $request Request object. * @return true\|WP_Error True if the settings are valid, otherwise a WP_Error object. / public function validate_create_font_face_settings( $value, $request ) { $settings = json_decode( $value, true ); // Check settings string is valid JSON. if ( null === $settings ) { return new WP_Error( 'rest_invalid_param', __( 'font_face_settings parameter must be a valid JSON string.' ), array( 'status' => 400 ) ); } // Check that the font face settings match the theme.json schema. $schema = $this->get_item_schema()['properties']['font_face_settings']; $has_valid_settings = rest_validate_value_from_schema( $settings, $schema, 'font_face_settings' ); if ( is_wp_error( $has_valid_settings ) ) { $has_valid_settings->add_data( array( 'status' => 400 ) ); return $has_valid_settings; } // Check that none of the required settings are empty values. $required = $schema['required']; foreach ( $required as $key ) { if ( isset( $settings[ $key ] ) && ! $settings[ $key ] ) { return new WP_Error( 'rest_invalid_param', / translators: %s: Name of the missing font face settings parameter, e.g. "font_face_settings[src]". / sprintf( __( '%s cannot be empty.' ), "font_face_setting[ $key ]" ), array( 'status' => 400 ) ); } } $srcs = is_array( $settings['src'] ) ? $settings['src'] : array( $settings['src'] ); $files = $request->get_file_params(); foreach ( $srcs as $src ) { // Check that each src is a non-empty string. $src = ltrim( $src ); if ( empty( $src ) ) { return new WP_Error( 'rest_invalid_param', / translators: %s: Font face source parameter name: "font_face_settings[src]". / sprintf( __( '%s values must be non-empty strings.' ), 'font_face_settings[src]' ), array( 'status' => 400 ) ); } // Check that srcs are valid URLs or file references. if ( false === wp_http_validate_url( $src ) && ! isset( $files[ $src ] ) ) { return new WP_Error( 'rest_invalid_param', / translators: 1: Font face source parameter name: "font_face_settings[src]", 2: The invalid src value. / sprintf( __( '%1$s value "%2$s" must be a valid URL or file reference.' ), 'font_face_settings[src]', $src ), array( 'status' => 400 ) ); } } // Check that each file in the request references a src in the settings. foreach ( array_keys( $files ) as $file ) { if ( ! in_array( $file, $srcs, true ) ) { return new WP_Error( 'rest_invalid_param', / translators: 1: File key (e.g. "file-0") in the request data, 2: Font face source parameter name: "font_face_settings[src]". / sprintf( __( 'File %1$s must be used in %2$s.' ), $file, 'font_face_settings[src]' ), array( 'status' => 400 ) ); } } return true; } /* * Sanitizes the font face settings when creating a font face. * * @since 6.5.0 * * @param string $value Encoded JSON string of font face settings. * @return array Decoded and sanitized array of font face settings. / public function sanitize_font_face_settings( $value ) { // Settings arrive as stringified JSON, since this is a multipart/form-data request. $settings = json_decode( $value, true ); $schema = $this->get_item_schema()['properties']['font_face_settings']['properties']; // Sanitize settings based on callbacks in the schema. foreach ( $settings as $key => $value ) { $sanitize_callback = $schema[ $key ]['arg_options']['sanitize_callback']; $settings[ $key ] = call_user_func( $sanitize_callback, $value ); } return $settings; } /* * Retrieves a collection of font faces within the parent font family. * * @since 6.5.0 * * @param WP_REST_Request $request Full details about the request. * @return WP_REST_Response\|WP_Error Response object on success, or WP_Error object on failure. / public function get_items( $request ) { $font_family = $this->get_parent_font_family_post( $request['font_family_id'] ); if ( is_wp_error( $font_family ) ) { return $font_family; } return parent::get_items( $request ); } /* * Retrieves a single font face within the parent font family. * * @since 6.5.0 * * @param WP_REST_Request $request Full details about the request. * @return WP_REST_Response\|WP_Error Response object on success, or WP_Error object on failure. / public function get_item( $request ) { $post = $this->get_post( $request['id'] ); if ( is_wp_error( $post ) ) { return $post; } // Check that the font face has a valid parent font family. $font_family = $this->get_parent_font_family_post( $request['font_family_id'] ); if ( is_wp_error( $font_family ) ) { return $font_family; } if ( (int) $font_family->ID !== (int) $post->post_parent ) { return new WP_Error( 'rest_font_face_parent_id_mismatch', / translators: %d: A post id. / sprintf( __( 'The font face does not belong to the specified font family with id of "%d".' ), $font_family->ID ), array( 'status' => 404 ) ); } return parent::get_item( $request ); } /* * Creates a font face for the parent font family. * * @since 6.5.0 * * @param WP_REST_Request $request Full details about the request. * @return WP_REST_Response\|WP_Error Response object on success, or WP_Error object on failure. / public function create_item( $request ) { $font_family = $this->get_parent_font_family_post( $request['font_family_id'] ); if ( is_wp_error( $font_family ) ) { return $font_family; } // Settings have already been decoded by ::sanitize_font_face_settings(). $settings = $request->get_param( 'font_face_settings' ); $file_params = $request->get_file_params(); // Check that the necessary font face properties are unique. $query = new WP_Query( array( 'post_type' => $this->post_type, 'posts_per_page' => 1, 'title' => WP_Font_Utils::get_font_face_slug( $settings ), 'update_post_meta_cache' => false, 'update_post_term_cache' => false, ) ); if ( ! empty( $query->posts ) ) { return new WP_Error( 'rest_duplicate_font_face', __( 'A font face matching those settings already exists.' ), array( 'status' => 400 ) ); } // Move the uploaded font asset from the temp folder to the fonts directory. if ( ! function_exists( 'wp_handle_upload' ) ) { require_once ABSPATH . 'wp-admin/includes/file.php'; } $srcs = is_string( $settings['src'] ) ? array( $settings['src'] ) : $settings['src']; $processed_srcs = array(); $font_file_meta = array(); foreach ( $srcs as $src ) { // If src not a file reference, use it as is. if ( ! isset( $file_params[ $src ] ) ) { $processed_srcs[] = $src; continue; } $file = $file_params[ $src ]; $font_file = $this->handle_font_file_upload( $file ); if ( is_wp_error( $font_file ) ) { return $font_file; } $processed_srcs[] = $font_file['url']; $font_file_meta[] = $this->relative_fonts_path( $font_file['file'] ); } // Store the updated settings for prepare_item_for_database to use. $settings['src'] = count( $processed_srcs ) === 1 ? $processed_srcs[0] : $processed_srcs; $request->set_param( 'font_face_settings', $settings ); // Ensure that $settings data is slashed, so values with quotes are escaped. // WP_REST_Posts_Controller::create_item uses wp_slash() on the post_content. $font_face_post = parent::create_item( $request ); if ( is_wp_error( $font_face_post ) ) { return $font_face_post; } $font_face_id = $font_face_post->data['id']; foreach ( $font_file_meta as $font_file_path ) { add_post_meta( $font_face_id, '_wp_font_face_file', $font_file_path ); } return $font_face_post; } /* * Deletes a single font face. * * @since 6.5.0 * * @param WP_REST_Request $request Full details about the request. * @return WP_REST_Response\|WP_Error Response object on success, or WP_Error object on failure. / public function delete_item( $request ) { $post = $this->get_post( $request['id'] ); if ( is_wp_error( $post ) ) { return $post; } $font_family = $this->get_parent_font_family_post( $request['font_family_id'] ); if ( is_wp_error( $font_family ) ) { return $font_family; } if ( (int) $font_family->ID !== (int) $post->post_parent ) { return new WP_Error( 'rest_font_face_parent_id_mismatch', / translators: %d: A post id. / sprintf( __( 'The font face does not belong to the specified font family with id of "%d".' ), $font_family->ID ), array( 'status' => 404 ) ); } $force = isset( $request['force'] ) ? (bool) $request['force'] : false; // We don't support trashing for font faces. if ( ! $force ) { return new WP_Error( 'rest_trash_not_supported', / translators: %s: force=true / sprintf( __( 'Font faces do not support trashing. Set "%s" to delete.' ), 'force=true' ), array( 'status' => 501 ) ); } return parent::delete_item( $request ); } /* * Prepares a single font face output for response. * * @since 6.5.0 * * @param WP_Post $item Post object. * @param WP_REST_Request $request Request object. * @return WP_REST_Response Response object. / public function prepare_item_for_response( $item, $request ) { $fields = $this->get_fields_for_response( $request ); $data = array(); if ( rest_is_field_included( 'id', $fields ) ) { $data['id'] = $item->ID; } if ( rest_is_field_included( 'theme_json_version', $fields ) ) { $data['theme_json_version'] = static::LATEST_THEME_JSON_VERSION_SUPPORTED; } if ( rest_is_field_included( 'parent', $fields ) ) { $data['parent'] = $item->post_parent; } if ( rest_is_field_included( 'font_face_settings', $fields ) ) { $data['font_face_settings'] = $this->get_settings_from_post( $item ); } $context = ! empty( $request['context'] ) ? $request['context'] : 'view'; $data = $this->add_additional_fields_to_object( $data, $request ); $data = $this->filter_response_by_context( $data, $context ); $response = rest_ensure_response( $data ); if ( rest_is_field_included( '_links', $fields ) \|\| rest_is_field_included( '_embedded', $fields ) ) { $links = $this->prepare_links( $item ); $response->add_links( $links ); } /* * Filters the font face data for a REST API response. * * @since 6.5.0 * * @param WP_REST_Response $response The response object. * @param WP_Post $post Font face post object. * @param WP_REST_Request $request Request object. / return apply_filters( 'rest_prepare_wp_font_face', $response, $item, $request ); } /* * Retrieves the post's schema, conforming to JSON Schema. * * @since 6.5.0 * * @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->post_type, 'type' => 'object', // Base properties for every Post. 'properties' => array( 'id' => array( 'description' => __( 'Unique identifier for the post.', 'default' ), 'type' => 'integer', 'context' => array( 'view', 'edit', 'embed' ), 'readonly' => true, ), 'theme_json_version' => array( 'description' => __( 'Version of the theme.json schema used for the typography settings.' ), 'type' => 'integer', 'default' => static::LATEST_THEME_JSON_VERSION_SUPPORTED, 'minimum' => 2, 'maximum' => static::LATEST_THEME_JSON_VERSION_SUPPORTED, 'context' => array( 'view', 'edit', 'embed' ), ), 'parent' => array( 'description' => __( 'The ID for the parent font family of the font face.' ), 'type' => 'integer', 'context' => array( 'view', 'edit', 'embed' ), ), // Font face settings come directly from theme.json schema // See https://schemas.wp.org/trunk/theme.json 'font_face_settings' => array( 'description' => __( 'font-face declaration in theme.json format.' ), 'type' => 'object', 'context' => array( 'view', 'edit', 'embed' ), 'properties' => array( 'fontFamily' => array( 'description' => __( 'CSS font-family value.' ), 'type' => 'string', 'default' => '', 'arg_options' => array( 'sanitize_callback' => array( 'WP_Font_Utils', 'sanitize_font_family' ), ), ), 'fontStyle' => array( 'description' => __( 'CSS font-style value.' ), 'type' => 'string', 'default' => 'normal', 'arg_options' => array( 'sanitize_callback' => 'sanitize_text_field', ), ), 'fontWeight' => array( 'description' => __( 'List of available font weights, separated by a space.' ), 'default' => '400', // Changed from `oneOf` to avoid errors from loose type checking. // e.g. a fontWeight of "400" validates as both a string and an integer due to is_numeric check. 'type' => array( 'string', 'integer' ), 'arg_options' => array( 'sanitize_callback' => 'sanitize_text_field', ), ), 'fontDisplay' => array( 'description' => __( 'CSS font-display value.' ), 'type' => 'string', 'default' => 'fallback', 'enum' => array( 'auto', 'block', 'fallback', 'swap', 'optional', ), 'arg_options' => array( 'sanitize_callback' => 'sanitize_text_field', ), ), 'src' => array( 'description' => __( 'Paths or URLs to the font files.' ), // Changed from `oneOf` to `anyOf` due to rest_sanitize_array converting a string into an array, // and causing a "matches more than one of the expected formats" error. 'anyOf' => array( array( 'type' => 'string', ), array( 'type' => 'array', 'items' => array( 'type' => 'string', ), ), ), 'default' => array(), 'arg_options' => array( 'sanitize_callback' => function ( $value ) { return is_array( $value ) ? array_map( array( $this, 'sanitize_src' ), $value ) : $this->sanitize_src( $value ); }, ), ), 'fontStretch' => array( 'description' => __( 'CSS font-stretch value.' ), 'type' => 'string', 'arg_options' => array( 'sanitize_callback' => 'sanitize_text_field', ), ), 'ascentOverride' => array( 'description' => __( 'CSS ascent-override value.' ), 'type' => 'string', 'arg_options' => array( 'sanitize_callback' => 'sanitize_text_field', ), ), 'descentOverride' => array( 'description' => __( 'CSS descent-override value.' ), 'type' => 'string', 'arg_options' => array( 'sanitize_callback' => 'sanitize_text_field', ), ), 'fontVariant' => array( 'description' => __( 'CSS font-variant value.' ), 'type' => 'string', 'arg_options' => array( 'sanitize_callback' => 'sanitize_text_field', ), ), 'fontFeatureSettings' => array( 'description' => __( 'CSS font-feature-settings value.' ), 'type' => 'string', 'arg_options' => array( 'sanitize_callback' => 'sanitize_text_field', ), ), 'fontVariationSettings' => array( 'description' => __( 'CSS font-variation-settings value.' ), 'type' => 'string', 'arg_options' => array( 'sanitize_callback' => 'sanitize_text_field', ), ), 'lineGapOverride' => array( 'description' => __( 'CSS line-gap-override value.' ), 'type' => 'string', 'arg_options' => array( 'sanitize_callback' => 'sanitize_text_field', ), ), 'sizeAdjust' => array( 'description' => __( 'CSS size-adjust value.' ), 'type' => 'string', 'arg_options' => array( 'sanitize_callback' => 'sanitize_text_field', ), ), 'unicodeRange' => array( 'description' => __( 'CSS unicode-range value.' ), 'type' => 'string', 'arg_options' => array( 'sanitize_callback' => 'sanitize_text_field', ), ), 'preview' => array( 'description' => __( 'URL to a preview image of the font face.' ), 'type' => 'string', 'format' => 'uri', 'default' => '', 'arg_options' => array( 'sanitize_callback' => 'sanitize_url', ), ), ), 'required' => array( 'fontFamily', 'src' ), 'additionalProperties' => false, ), ), ); $this->schema = $schema; return $this->add_additional_fields_schema( $this->schema ); } /* * Retrieves the item's schema for display / public consumption purposes. * * @since 6.5.0 * * @return array Public item schema data. / public function get_public_item_schema() { $schema = parent::get_public_item_schema(); // Also remove `arg_options' from child font_family_settings properties, since the parent // controller only handles the top level properties. foreach ( $schema['properties']['font_face_settings']['properties'] as &$property ) { unset( $property['arg_options'] ); } return $schema; } /* * Retrieves the query params for the font face collection. * * @since 6.5.0 * * @return array Collection parameters. / public function get_collection_params() { $query_params = parent::get_collection_params(); // Remove unneeded params. unset( $query_params['after'], $query_params['modified_after'], $query_params['before'], $query_params['modified_before'], $query_params['search'], $query_params['search_columns'], $query_params['slug'], $query_params['status'] ); $query_params['orderby']['default'] = 'id'; $query_params['orderby']['enum'] = array( 'id', 'include' ); /* * Filters collection parameters for the font face controller. * * @since 6.5.0 * * @param array $query_params JSON Schema-formatted collection parameters. / return apply_filters( 'rest_wp_font_face_collection_params', $query_params ); } /* * Get the params used when creating a new font face. * * @since 6.5.0 * * @return array Font face create arguments. / public function get_create_params() { $properties = $this->get_item_schema()['properties']; return array( 'theme_json_version' => $properties['theme_json_version'], // When creating, font_face_settings is stringified JSON, to work with multipart/form-data used // when uploading font files. 'font_face_settings' => array( 'description' => __( 'font-face declaration in theme.json format, encoded as a string.' ), 'type' => 'string', 'required' => true, 'validate_callback' => array( $this, 'validate_create_font_face_settings' ), 'sanitize_callback' => array( $this, 'sanitize_font_face_settings' ), ), ); } /* * Get the parent font family, if the ID is valid. * * @since 6.5.0 * * @param int $font_family_id Supplied ID. * @return WP_Post\|WP_Error Post object if ID is valid, WP_Error otherwise. / protected function get_parent_font_family_post( $font_family_id ) { $error = new WP_Error( 'rest_post_invalid_parent', __( 'Invalid post parent ID.', 'default' ), array( 'status' => 404 ) ); if ( (int) $font_family_id <= 0 ) { return $error; } $font_family_post = get_post( (int) $font_family_id ); if ( empty( $font_family_post ) \|\| empty( $font_family_post->ID ) \|\| 'wp_font_family' !== $font_family_post->post_type ) { return $error; } return $font_family_post; } /* * Prepares links for the request. * * @since 6.5.0 * * @param WP_Post $post Post object. * @return array Links for the given post. / protected function prepare_links( $post ) { // Entity meta. return array( 'self' => array( 'href' => rest_url( $this->namespace . '/font-families/' . $post->post_parent . '/font-faces/' . $post->ID ), ), 'collection' => array( 'href' => rest_url( $this->namespace . '/font-families/' . $post->post_parent . '/font-faces' ), ), 'parent' => array( 'href' => rest_url( $this->namespace . '/font-families/' . $post->post_parent ), ), ); } /* * Prepares a single font face post for creation. * * @since 6.5.0 * * @param WP_REST_Request $request Request object. * @return stdClass Post object. / protected function prepare_item_for_database( $request ) { $prepared_post = new stdClass(); // Settings have already been decoded by ::sanitize_font_face_settings(). $settings = $request->get_param( 'font_face_settings' ); // Store this "slug" as the post_title rather than post_name, since it uses the fontFamily setting, // which may contain multibyte characters. $title = WP_Font_Utils::get_font_face_slug( $settings ); $prepared_post->post_type = $this->post_type; $prepared_post->post_parent = $request['font_family_id']; $prepared_post->post_status = 'publish'; $prepared_post->post_title = $title; $prepared_post->post_name = sanitize_title( $title ); $prepared_post->post_content = wp_json_encode( $settings ); return $prepared_post; } /* * Sanitizes a single src value for a font face. * * @since 6.5.0 * * @param string $value Font face src that is a URL or the key for a $_FILES array item. * @return string Sanitized value. / protected function sanitize_src( $value ) { $value = ltrim( $value ); return false === wp_http_validate_url( $value ) ? (string) $value : sanitize_url( $value ); } /* * Handles the upload of a font file using wp_handle_upload(). * * @since 6.5.0 * * @param array $file Single file item from $_FILES. * @return array\|WP_Error Array containing uploaded file attributes on success, or WP_Error object on failure. / protected function handle_font_file_upload( $file ) { add_filter( 'upload_mimes', array( 'WP_Font_Utils', 'get_allowed_font_mime_types' ) ); // Filter the upload directory to return the fonts directory. add_filter( 'upload_dir', '_wp_filter_font_directory' ); $overrides = array( 'upload_error_handler' => array( $this, 'handle_font_file_upload_error' ), // Not testing a form submission. 'test_form' => false, // Only allow uploading font files for this request. 'mimes' => WP_Font_Utils::get_allowed_font_mime_types(), ); // Bypasses is_uploaded_file() when running unit tests. if ( defined( 'DIR_TESTDATA' ) && DIR_TESTDATA ) { $overrides['action'] = 'wp_handle_mock_upload'; } $uploaded_file = wp_handle_upload( $file, $overrides ); remove_filter( 'upload_dir', '_wp_filter_font_directory' ); remove_filter( 'upload_mimes', array( 'WP_Font_Utils', 'get_allowed_font_mime_types' ) ); return $uploaded_file; } /* * Handles file upload error. * * @since 6.5.0 * * @param array $file File upload data. * @param string $message Error message from wp_handle_upload(). * @return WP_Error WP_Error object. / public function handle_font_file_upload_error( $file, $message ) { $status = 500; $code = 'rest_font_upload_unknown_error'; if ( __( 'Sorry, you are not allowed to upload this file type.' ) === $message ) { $status = 400; $code = 'rest_font_upload_invalid_file_type'; } return new WP_Error( $code, $message, array( 'status' => $status ) ); } /* * Returns relative path to an uploaded font file. * * The path is relative to the current fonts directory. * * @since 6.5.0 * @access private * * @param string $path Full path to the file. * @return string Relative path on success, unchanged path on failure. / protected function relative_fonts_path( $path ) { $new_path = $path; $fonts_dir = wp_get_font_dir(); if ( str_starts_with( $new_path, $fonts_dir['basedir'] ) ) { $new_path = str_replace( $fonts_dir['basedir'], '', $new_path ); $new_path = ltrim( $new_path, '/' ); } return $new_path; } /* * Gets the font face's settings from the post. * * @since 6.5.0 * * @param WP_Post $post Font face post object. * @return array Font face settings array. */ protected function get_settings_from_post( $post ) { $settings = json_decode( $post->post_content, true ); $properties = $this->get_item_schema()['properties']['font_face_settings']['properties']; // Provide required, empty settings if needed. if ( null === $settings ) { $settings = array( 'fontFamily' => '', 'src' => array(), ); } // Only return the properties defined in the schema. return array_intersect_key( $settings, $properties ); } }