110 lines
2.6 KiB
PHP
110 lines
2.6 KiB
PHP
<?php
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namespace Activitypub\Rest;
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/**
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* ActivityPub Following 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/#following
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*/
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class Following {
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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_action( 'rest_api_init', array( '\Activitypub\Rest\Following', '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/1.0',
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'/users/(?P<user_id>\d+)/following',
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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( '\Activitypub\Rest\Following', '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 = \get_user_by( 'ID', $user_id );
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if ( ! $user ) {
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return new \WP_Error(
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'rest_invalid_param',
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\__( 'User not found', 'activitypub' ),
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array(
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'status' => 404,
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'params' => array(
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'user_id' => \__( 'User not found', 'activitypub' ),
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),
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)
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);
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}
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/*
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* Action triggerd prior to the ActivityPub profile being created and sent to the client
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*/
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\do_action( 'activitypub_outbox_pre' );
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$json = new \stdClass();
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$json->{'@context'} = \Activitypub\get_context();
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$json->id = \home_url( \add_query_arg( null, null ) );
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$json->generator = 'http://wordpress.org/?v=' . \get_bloginfo_rss( 'version' );
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$json->actor = \get_author_posts_url( $user_id );
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$json->type = 'OrderedCollectionPage';
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$json->partOf = \get_rest_url( null, "/activitypub/1.0/users/$user_id/following" ); // phpcs:ignore
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$json->totalItems = 0; // phpcs:ignore
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$json->orderedItems = apply_filters( 'activitypub_following', array(), $user ); // phpcs:ignore
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$json->first = $json->partOf; // phpcs:ignore
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$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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$params['page'] = array(
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'type' => 'integer',
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);
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$params['user_id'] = array(
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'required' => true,
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'type' => 'integer',
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'validate_callback' => function( $param, $request, $key ) {
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return user_can( $param, 'publish_posts' );
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},
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);
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return $params;
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}
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}
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