132 lines
3.6 KiB
PHP
132 lines
3.6 KiB
PHP
<?php
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/**
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* ActivityPub Outbox Class
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*
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* @author Matthias Pfefferle
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*/
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class Activitypub_Outbox {
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/**
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* Register routes
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*/
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public static function register_routes() {
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register_rest_route(
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'activitypub/1.0', '/users/(?P<id>\d+)/outbox', array(
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array(
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'methods' => WP_REST_Server::READABLE,
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'callback' => array( 'Activitypub_Outbox', 'get' ),
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'args' => self::request_parameters(),
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),
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)
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);
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}
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public static function get( $request ) {
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$author_id = $request->get_param( 'id' );
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$author = get_user_by( 'ID', $author_id );
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if ( ! $author ) {
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return new WP_Error( 'rest_invalid_param', __( 'User not found', 'activitypub' ), array(
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'status' => 404, 'params' => array(
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'user_id' => __( 'User not found', 'activitypub' )
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)
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) );
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}
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$page = $request->get_param( 'page', 0 );
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/*
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* Action triggerd prior to the ActivityPub profile being created and sent to the client
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*/
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do_action( 'activitypub_outbox_pre' );
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$json = new stdClass();
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$json->{'@context'} = array(
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'https://www.w3.org/ns/activitystreams',
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'https://w3id.org/security/v1',
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);
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$json->generator = 'http://wordpress.org/?v=' . get_bloginfo_rss( 'version' );
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$json->actor = get_author_posts_url( $author_id );
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$json->type = 'OrderedCollectionPage';
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$json->partOf = get_rest_url( null, "/activitypub/1.0/users/$author_id/outbox" ); // phpcs:ignore
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$count_posts = wp_count_posts();
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$json->totalItems = $count_posts->publish;
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$posts = get_posts( array(
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'author' => $author_id,
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'offset' => $page,
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) );
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$json->first = add_query_arg( 'page', 0, $json->partOf );
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$json->last = add_query_arg( 'page', ( ceil ( $json->totalItems / 10 ) ) - 1, $json->partOf );
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if ( ( ceil ( $json->totalItems / 10 ) ) - 1 > $page ) {
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$json->next = add_query_arg( 'page', ++$page, $json->partOf );
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}
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foreach ( $posts as $post ) {
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$json->orderedItems[] = self::post_to_json( $post ); // phpcs:ignore
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}
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// filter output
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$json = apply_filters( 'activitypub_outbox_array', $json );
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/*
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* Action triggerd after the ActivityPub profile has been created and sent to the client
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*/
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do_action( 'activitypub_outbox_post' );
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$response = new WP_REST_Response( $json, 200 );
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$response->header( 'Content-Type', 'application/activity-json' );
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return $response;
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}
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public static function post_to_json( $post ) {
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$json = new stdClass();
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$json->published = date( 'Y-m-d\TH:i:s\Z', strtotime( $post->post_date ) );
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$json->id = $post->guid . '&activitypub';
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$json->type = 'Create';
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$json->actor = get_author_posts_url( $post->post_author );
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$json->to = array( 'https://www.w3.org/ns/activitystreams#Public' );
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$json->cc = array( 'https://www.w3.org/ns/activitystreams#Public' );
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$json->object = array(
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'id' => $post->guid,
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'type' => 'Note',
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'published' => date( 'Y-m-d\TH:i:s\Z', strtotime( $post->post_date ) ),
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'to' => array( 'https://www.w3.org/ns/activitystreams#Public' ),
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'cc' => array( 'https://www.w3.org/ns/activitystreams#Public' ),
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'summary' => null,
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'inReplyTo' => null,
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'content' => esc_html( $post->post_content ),
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'contentMap' => array(
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strstr( get_locale(), '_', true ) => $post->post_content,
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),
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'attachment' => array(),
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'tag' => array(),
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);
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return $json;
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}
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public static function request_parameters() {
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$params = array();
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$params['page'] = array(
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'type' => 'integer',
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);
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$params['id'] = array(
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'required' => true,
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'type' => 'integer',
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);
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return $params;
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}
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}
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