150 lines
3.7 KiB
PHP
150 lines
3.7 KiB
PHP
<?php
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namespace Activitypub\Rest;
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use WP_Error;
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use stdClass;
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use WP_REST_Server;
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use WP_REST_Response;
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use Activitypub\Collection\Users as User_Collection;
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use Activitypub\Collection\Followers as Follower_Collection;
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use function Activitypub\get_rest_url_by_path;
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/**
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* ActivityPub Followers REST-Class
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*
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* @author Matthias Pfefferle
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*
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* @see https://www.w3.org/TR/activitypub/#followers
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*/
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class Followers {
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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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self::register_routes();
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}
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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_REST_NAMESPACE,
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'/users/(?P<user_id>[\w\-\.]+)/followers',
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array(
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array(
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'methods' => WP_REST_Server::READABLE,
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'callback' => array( self::class, 'get' ),
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'args' => self::request_parameters(),
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'permission_callback' => '__return_true',
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),
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)
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);
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}
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/**
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* Handle GET request
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*
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* @param WP_REST_Request $request
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*
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* @return WP_REST_Response
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*/
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public static function get( $request ) {
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$user_id = $request->get_param( 'user_id' );
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$user = User_Collection::get_by_various( $user_id );
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if ( is_wp_error( $user ) ) {
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return $user;
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}
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$order = $request->get_param( 'order' );
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$per_page = (int) $request->get_param( 'per_page' );
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$page = (int) $request->get_param( 'page' );
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$context = $request->get_param( 'context' );
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/*
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* Action triggerd prior to the ActivityPub profile being created and sent to the client
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*/
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\do_action( 'activitypub_rest_followers_pre' );
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$data = Follower_Collection::get_followers_with_count( $user_id, $per_page, $page, array( 'order' => ucwords( $order ) ) );
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$json = new stdClass();
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$json->{'@context'} = \Activitypub\get_context();
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$json->id = get_rest_url_by_path( sprintf( 'users/%d/followers', $user->get__id() ) );
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$json->generator = 'http://wordpress.org/?v=' . \get_bloginfo_rss( 'version' );
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$json->actor = $user->get_id();
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$json->type = 'OrderedCollectionPage';
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$json->totalItems = $data['total']; // phpcs:ignore
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$json->partOf = get_rest_url_by_path( sprintf( 'users/%d/followers', $user->get__id() ) ); // phpcs:ignore
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$json->first = \add_query_arg( 'page', 1, $json->partOf ); // phpcs:ignore
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$json->last = \add_query_arg( 'page', \ceil ( $json->totalItems / $per_page ), $json->partOf ); // phpcs:ignore
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if ( $page && ( ( \ceil ( $json->totalItems / $per_page ) ) > $page ) ) { // phpcs:ignore
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$json->next = \add_query_arg( 'page', $page + 1, $json->partOf ); // phpcs:ignore
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}
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if ( $page && ( $page > 1 ) ) { // phpcs:ignore
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$json->prev = \add_query_arg( 'page', $page - 1, $json->partOf ); // phpcs:ignore
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}
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// phpcs:ignore
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$json->orderedItems = array_map(
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function( $item ) use ( $context ) {
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if ( 'full' === $context ) {
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return $item->to_array();
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}
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return $item->get_url();
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},
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$data['followers']
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);
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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 $response;
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}
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/**
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* The supported parameters
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*
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* @return array list of parameters
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*/
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public static function request_parameters() {
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$params = array();
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$params['page'] = array(
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'type' => 'integer',
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'default' => 1,
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);
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$params['per_page'] = array(
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'type' => 'integer',
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'default' => 20,
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);
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$params['order'] = array(
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'type' => 'string',
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'default' => 'desc',
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'enum' => array( 'asc', 'desc' ),
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);
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$params['user_id'] = array(
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'required' => true,
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'type' => 'string',
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);
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$params['context'] = array(
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'type' => 'string',
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'default' => 'simple',
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'enum' => array( 'simple', 'full' ),
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);
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return $params;
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}
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}
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