125 lines
3.6 KiB
PHP
125 lines
3.6 KiB
PHP
<?php
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/**
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* BuddyPress integration class file.
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*
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* @package Activitypub
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*/
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namespace Activitypub\Integration;
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/**
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* Compatibility with the BuddyPress plugin.
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*
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* @see https://buddypress.org/
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*/
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class Buddypress {
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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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\add_filter( 'activitypub_json_author_array', array( self::class, 'add_user_metadata' ), 11, 2 );
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\add_filter( 'render_block_activitypub/followers', array( self::class, 'escape_at_signs' ) );
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\add_filter( 'render_block_activitypub/following', array( self::class, 'escape_at_signs' ) );
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}
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/**
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* Escape `@` signs in block output to prevent BuddyPress mention linking.
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*
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* BuddyPress hooks `bp_activity_at_name_filter` into `the_content` to convert
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* `@username` mentions into profile links. This corrupts the JSON in the
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* `data-wp-context` attribute of Followers/Following blocks because the handles
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* contain `@username` patterns that match BuddyPress's regex.
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*
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* Encoding `@` as `@` in the HTML attribute makes it invisible to
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* BuddyPress's regex. The browser decodes the HTML entity before JavaScript
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* reads the attribute, so the Interactivity API receives the original `@`.
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*
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* @since 8.1.0
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*
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* @param string $block_content The block content.
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*
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* @return string The block content with `@` signs escaped in data attributes.
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*/
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public static function escape_at_signs( $block_content ) {
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return \preg_replace_callback(
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'/data-wp-context="([^"]*)"/',
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static function ( $matches ) {
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return 'data-wp-context="' . \str_replace( '@', '@', $matches[1] ) . '"';
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},
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$block_content
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);
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}
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/**
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* Add BuddyPress user metadata to the author array.
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*
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* @param object $author The author object.
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* @param int $author_id The author ID.
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*
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* @return object The author object.
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*/
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public static function add_user_metadata( $author, $author_id ) {
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if ( \function_exists( 'bp_members_get_user_url' ) ) {
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$author->url = bp_members_get_user_url( $author_id );
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} else {
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$author->url = bp_core_get_user_domain( $author_id );
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}
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// Add BuddyPress' cover_image instead of WordPress' header_image.
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$cover_image_url = bp_attachments_get_attachment( 'url', array( 'item_id' => $author_id ) );
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if ( $cover_image_url ) {
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$author->image = array(
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'type' => 'Image',
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'url' => $cover_image_url,
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);
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}
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// Change profile URL to BuddyPress' profile URL.
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$author->attachment['profile_url'] = array(
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'type' => 'PropertyValue',
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'name' => \__( 'Profile', 'activitypub' ),
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'value' => \html_entity_decode(
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sprintf(
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'<a rel="me" title="%s" target="_blank" href="%s">%s</a>',
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\esc_attr( $author->url ),
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\esc_url( $author->url ),
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\wp_parse_url( $author->url, \PHP_URL_HOST )
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),
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\ENT_QUOTES,
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'UTF-8'
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),
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);
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// Replace blog URL on multisite.
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if ( is_multisite() ) {
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$user_blogs = get_blogs_of_user( $author_id ); // Get sites of user to send as AP metadata.
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if ( ! empty( $user_blogs ) ) {
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unset( $author->attachment['blog_url'] );
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foreach ( $user_blogs as $blog ) {
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if ( 1 !== $blog->userblog_id ) {
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$author->attachment[] = array(
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'type' => 'PropertyValue',
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'name' => $blog->blogname,
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'value' => \html_entity_decode(
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sprintf(
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'<a rel="me" title="%s" target="_blank" href="%s">%s</a>',
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\esc_attr( $blog->siteurl ),
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$blog->siteurl,
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\wp_parse_url( $blog->siteurl, \PHP_URL_HOST )
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),
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\ENT_QUOTES,
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'UTF-8'
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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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return $author;
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}
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}
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