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<?php |
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/** |
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* Blocks file. |
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* |
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* @package Activitypub |
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*/ |
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|
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namespace Activitypub; |
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|
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use Activitypub\Collection\Actors; |
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|
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/** |
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* Block class. |
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*/ |
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class Blocks { |
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/** |
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* Initialize the class, registering WordPress hooks. |
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*/ |
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public static function init() { |
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// This is already being called on the init hook, so just add it. |
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self::register_blocks(); |
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|
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\add_action( 'load-post-new.php', array( self::class, 'handle_in_reply_to_get_param' ) ); |
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// Add editor plugin. |
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\add_action( 'enqueue_block_editor_assets', array( self::class, 'enqueue_editor_assets' ) ); |
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\add_action( 'init', array( self::class, 'register_postmeta' ), 11 ); |
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\add_action( 'rest_api_init', array( self::class, 'register_rest_fields' ) ); |
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|
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\add_filter( 'activitypub_import_mastodon_post_data', array( self::class, 'filter_import_mastodon_post_data' ), 10, 2 ); |
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} |
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|
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/** |
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* Register post meta for content warnings. |
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*/ |
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public static function register_postmeta() { |
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$ap_post_types = \get_post_types_by_support( 'activitypub' ); |
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foreach ( $ap_post_types as $post_type ) { |
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\register_post_meta( |
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$post_type, |
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'activitypub_content_warning', |
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array( |
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'show_in_rest' => true, |
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'single' => true, |
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'type' => 'string', |
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'sanitize_callback' => 'sanitize_text_field', |
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) |
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); |
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|
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\register_post_meta( |
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$post_type, |
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'activitypub_content_visibility', |
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array( |
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'type' => 'string', |
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'single' => true, |
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'show_in_rest' => true, |
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'sanitize_callback' => function ( $value ) { |
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$schema = array( |
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'type' => 'string', |
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'enum' => array( ACTIVITYPUB_CONTENT_VISIBILITY_PUBLIC, ACTIVITYPUB_CONTENT_VISIBILITY_QUIET_PUBLIC, ACTIVITYPUB_CONTENT_VISIBILITY_PRIVATE, ACTIVITYPUB_CONTENT_VISIBILITY_LOCAL ), |
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'default' => ACTIVITYPUB_CONTENT_VISIBILITY_PUBLIC, |
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); |
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|
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if ( is_wp_error( rest_validate_enum( $value, $schema, '' ) ) ) { |
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return $schema['default']; |
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} |
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|
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return $value; |
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}, |
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) |
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); |
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|
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\register_post_meta( |
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$post_type, |
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'activitypub_max_image_attachments', |
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array( |
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'type' => 'integer', |
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'single' => true, |
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'show_in_rest' => true, |
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'default' => \get_option( 'activitypub_max_image_attachments', ACTIVITYPUB_MAX_IMAGE_ATTACHMENTS ), |
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'sanitize_callback' => 'absint', |
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) |
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); |
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} |
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} |
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|
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/** |
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* Enqueue the block editor assets. |
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*/ |
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public static function enqueue_editor_assets() { |
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$data = array( |
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'namespace' => ACTIVITYPUB_REST_NAMESPACE, |
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'defaultAvatarUrl' => ACTIVITYPUB_PLUGIN_URL . 'assets/img/mp.jpg', |
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'enabled' => array( |
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'blog' => ! is_user_type_disabled( 'blog' ), |
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'users' => ! is_user_type_disabled( 'user' ), |
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), |
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); |
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wp_localize_script( 'wp-editor', '_activityPubOptions', $data ); |
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|
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// Check for our supported post types. |
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$current_screen = \get_current_screen(); |
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$ap_post_types = \get_post_types_by_support( 'activitypub' ); |
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if ( ! $current_screen || ! in_array( $current_screen->post_type, $ap_post_types, true ) ) { |
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return; |
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} |
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|
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$asset_data = include ACTIVITYPUB_PLUGIN_DIR . 'build/editor-plugin/plugin.asset.php'; |
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$plugin_url = plugins_url( 'build/editor-plugin/plugin.js', ACTIVITYPUB_PLUGIN_FILE ); |
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wp_enqueue_script( 'activitypub-block-editor', $plugin_url, $asset_data['dependencies'], $asset_data['version'], true ); |
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} |
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|
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/** |
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* Enqueue the reply handle script if the in_reply_to GET param is set. |
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*/ |
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public static function handle_in_reply_to_get_param() { |
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// Only load the script if the in_reply_to GET param is set, action happens there, not here. |
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// phpcs:ignore WordPress.Security.NonceVerification.Recommended |
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if ( ! isset( $_GET['in_reply_to'] ) ) { |
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return; |
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} |
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|
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$asset_data = include ACTIVITYPUB_PLUGIN_DIR . 'build/reply-intent/plugin.asset.php'; |
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$plugin_url = plugins_url( 'build/reply-intent/plugin.js', ACTIVITYPUB_PLUGIN_FILE ); |
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wp_enqueue_script( 'activitypub-reply-intent', $plugin_url, $asset_data['dependencies'], $asset_data['version'], true ); |
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} |
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|
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/** |
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* Register the blocks. |
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*/ |
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public static function register_blocks() { |
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\register_block_type_from_metadata( ACTIVITYPUB_PLUGIN_DIR . '/build/follow-me' ); |
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\register_block_type_from_metadata( ACTIVITYPUB_PLUGIN_DIR . '/build/followers' ); |
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\register_block_type_from_metadata( ACTIVITYPUB_PLUGIN_DIR . '/build/reactions' ); |
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|
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\register_block_type_from_metadata( |
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ACTIVITYPUB_PLUGIN_DIR . '/build/reply', |
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array( |
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'render_callback' => array( self::class, 'render_reply_block' ), |
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) |
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); |
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} |
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|
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/** |
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* Register REST fields needed for blocks. |
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*/ |
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public static function register_rest_fields() { |
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// Register the post_count field for Follow Me block. |
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register_rest_field( |
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'user', |
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'post_count', |
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array( |
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/** |
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* Get the number of published posts. |
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* |
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* @param array $response Prepared response array. |
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* @param string $field_name The field name. |
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* @param \WP_REST_Request $request The request object. |
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* @return int The number of published posts. |
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*/ |
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'get_callback' => function ( $response, $field_name, $request ) { |
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return (int) count_user_posts( $request->get_param( 'id' ), 'post', true ); |
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}, |
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'schema' => array( |
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'description' => 'Number of published posts', |
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'type' => 'integer', |
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'context' => array( 'activitypub' ), |
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), |
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) |
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); |
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} |
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|
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/** |
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* Get the user ID from a user string. |
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* |
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* @param string $user_string The user string. Can be a user ID, 'blog', or 'inherit'. |
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* @return int|null The user ID, or null if the 'inherit' string is not supported in this context. |
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*/ |
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public static function get_user_id( $user_string ) { |
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if ( is_numeric( $user_string ) ) { |
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return absint( $user_string ); |
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} |
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|
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// If the user string is 'blog', return the Blog User ID. |
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if ( 'blog' === $user_string ) { |
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return Actors::BLOG_USER_ID; |
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} |
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|
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// The only other value should be 'inherit', which means to use the query context to determine the User. |
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if ( 'inherit' !== $user_string ) { |
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return null; |
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} |
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|
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// For a homepage/front page, if the Blog User is active, use it. |
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if ( ( is_front_page() || is_home() ) && ! is_user_type_disabled( 'blog' ) ) { |
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return Actors::BLOG_USER_ID; |
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} |
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|
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// If we're in a loop, use the post author. |
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$author_id = get_the_author_meta( 'ID' ); |
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if ( $author_id ) { |
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return $author_id; |
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} |
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|
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// For other pages, the queried object will clue us in. |
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$queried_object = get_queried_object(); |
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if ( ! $queried_object ) { |
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return null; |
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} |
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|
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// If we're on a user archive page, use that user's ID. |
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if ( is_a( $queried_object, 'WP_User' ) ) { |
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return $queried_object->ID; |
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} |
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|
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// For a single post, use the post author's ID. |
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if ( is_a( $queried_object, 'WP_Post' ) ) { |
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return get_the_author_meta( 'ID' ); |
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} |
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|
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// We won't properly account for some conditions, like tag archives. |
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return null; |
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} |
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|
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/** |
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* Render the reply block. |
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* |
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* @param array $attrs The block attributes. |
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* |
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* @return string The HTML to render. |
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*/ |
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public static function render_reply_block( $attrs ) { |
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// Return early if no URL is provided. |
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if ( empty( $attrs['url'] ) ) { |
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return null; |
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} |
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|
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$show_embed = isset( $attrs['embedPost'] ) && $attrs['embedPost']; |
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|
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$wrapper_attrs = get_block_wrapper_attributes( |
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array( |
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'aria-label' => __( 'Reply', 'activitypub' ), |
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'class' => 'activitypub-reply-block', |
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'data-in-reply-to' => $attrs['url'], |
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) |
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); |
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|
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$html = '<div ' . $wrapper_attrs . '>'; |
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|
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// Try to get and append the embed if requested. |
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if ( $show_embed ) { |
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$embed = wp_oembed_get( $attrs['url'] ); |
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if ( $embed ) { |
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$html .= $embed; |
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} |
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} |
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|
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// Only show the link if we're not showing the embed. |
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if ( ! $show_embed ) { |
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$html .= sprintf( |
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'<p><a title="%2$s" aria-label="%2$s" href="%1$s" class="u-in-reply-to" target="_blank">%3$s</a></p>', |
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esc_url( $attrs['url'] ), |
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esc_attr__( 'This post is a response to the referenced content.', 'activitypub' ), |
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// translators: %s is the URL of the post being replied to. |
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sprintf( __( '↬%s', 'activitypub' ), \str_replace( array( 'https://', 'http://' ), '', esc_url( $attrs['url'] ) ) ) |
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); |
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} |
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|
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$html .= '</div>'; |
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|
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return $html; |
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} |
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|
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/** |
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* Renders a modal component that can be used by different blocks. |
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* |
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* @param array $args Arguments for the modal. |
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*/ |
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public static function render_modal( $args = array() ) { |
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$defaults = array( |
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'content' => '', |
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'is_compact' => false, |
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'title' => '', |
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); |
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|
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$args = \wp_parse_args( $args, $defaults ); |
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?> |
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|
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<div |
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class="activitypub-modal__overlay<?php echo \esc_attr( $args['is_compact'] ? ' compact' : '' ); ?>" |
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data-wp-bind--hidden="!context.modal.isOpen" |
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data-wp-watch="callbacks.handleModalEffects" |
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role="dialog" |
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aria-modal="true" |
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hidden |
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> |
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<div class="activitypub-modal__frame"> |
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<?php if ( ! $args['is_compact'] || ! empty( $args['title'] ) ) : ?> |
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<div class="activitypub-modal__header"> |
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<h2 class="activitypub-modal__title"><?php echo \esc_html( $args['title'] ); ?></h2> |
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<button |
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type="button" |
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class="activitypub-modal__close wp-element-button wp-block-button__link" |
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data-wp-on--click="actions.closeModal" |
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aria-label="<?php echo \esc_attr__( 'Close dialog', 'activitypub' ); ?>" |
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> |
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<svg fill="currentColor" width="24" height="24" viewBox="0 0 24 24" xmlns="http://www.w3.org/2000/svg" aria-hidden="true" focusable="false"> |
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<path d="M13 11.8l6.1-6.3-1-1-6.1 6.2-6.1-6.2-1 1 6.1 6.3-6.5 6.7 1 1 6.5-6.6 6.5 6.6 1-1z"></path> |
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</svg> |
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</button> |
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</div> |
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<?php endif; ?> |
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<div class="activitypub-modal__content"> |
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<?php echo $args['content']; // phpcs:ignore WordPress.Security.EscapeOutput.OutputNotEscaped ?> |
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</div> |
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</div> |
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</div> |
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<?php |
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} |
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|
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/** |
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* Converts content to blocks before saving to the database. |
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* |
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* @param array $data The post data to be inserted. |
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* @param object $post The Mastodon Create activity. |
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* |
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* @return array |
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*/ |
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public static function filter_import_mastodon_post_data( $data, $post ) { |
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// Convert paragraphs to blocks. |
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\preg_match_all( '#<p>.*?</p>#is', $data['post_content'], $matches ); |
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$blocks = \array_map( |
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function ( $paragraph ) { |
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return '<!-- wp:paragraph -->' . PHP_EOL . $paragraph . PHP_EOL . '<!-- /wp:paragraph -->' . PHP_EOL; |
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}, |
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$matches[0] ?? array() |
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); |
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|
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$data['post_content'] = \rtrim( \implode( PHP_EOL, $blocks ), PHP_EOL ); |
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|
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// Add reply block if it's a reply. |
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if ( null !== $post->object->inReplyTo ) { |
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$reply_block = \sprintf( '<!-- wp:activitypub/reply {"url":"%1$s","embedPost":true} /-->' . PHP_EOL, \esc_url( $post->object->inReplyTo ) ); |
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$data['post_content'] = $reply_block . $data['post_content']; |
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} |
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|
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return $data; |
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} |
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|
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/** |
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* Add Interactivity directions to the specified element. |
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* |
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* @param string $content The block content. |
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* @param string[] $selector The selector for the element to add directions to. |
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* @param string[] $attributes The attributes to add to the element. |
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* |
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* @return string The updated content. |
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*/ |
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public static function add_directions( $content, $selector, $attributes ) { |
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$tags = new \WP_HTML_Tag_Processor( $content ); |
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|
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while ( $tags->next_tag( $selector ) ) { |
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foreach ( $attributes as $key => $value ) { |
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if ( 'class' === $key ) { |
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$tags->add_class( $value ); |
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continue; |
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} |
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|
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$tags->set_attribute( $key, $value ); |
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} |
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} |
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|
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return $tags->get_updated_html(); |
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} |
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} |
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|
