96 lines
2.4 KiB
PHP
96 lines
2.4 KiB
PHP
<?php
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namespace Activitypub\Rest;
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use WP_Error;
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use WP_REST_Server;
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use WP_REST_Request;
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use WP_REST_Response;
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use Activitypub\Comment as Comment_Utils;
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use Activitypub\Webfinger as Webfinger_Utils;
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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 Comment {
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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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'/comments/(?P<comment_id>\d+)/remote-reply',
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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, 'remote_reply_get' ),
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'permission_callback' => '__return_true',
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'args' => array(
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'resource' => array(
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'required' => true,
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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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)
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);
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}
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/**
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* Endpoint for remote follow UI/Block
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*
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* @param WP_REST_Request $request The request object.
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*
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* @return void|string The URL to the remote follow page
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*/
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public static function remote_reply_get( WP_REST_Request $request ) {
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$resource = $request->get_param( 'resource' );
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$comment_id = $request->get_param( 'comment_id' );
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$comment = get_comment( $comment_id );
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if ( ! $comment ) {
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return new WP_Error( 'activitypub_comment_not_found', __( 'Comment not found', 'activitypub' ), array( 'status' => 404 ) );
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}
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$is_local = Comment_Utils::is_local( $comment );
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if ( $is_local ) {
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return new WP_Error( 'activitypub_local_only_comment', __( 'Comment is local only', 'activitypub' ), array( 'status' => 403 ) );
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}
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$template = Webfinger_Utils::get_remote_follow_endpoint( $resource );
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if ( is_wp_error( $template ) ) {
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return $template;
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}
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$comment_meta = \get_comment_meta( $comment_id );
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if ( ! empty( $comment_meta['source_id'][0] ) ) {
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$resource = $comment_meta['source_id'][0];
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} elseif ( ! empty( $comment_meta['source_url'][0] ) ) {
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$resource = $comment_meta['source_url'][0];
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} else {
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$resource = Comment_Utils::generate_id( $comment );
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}
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$url = str_replace( '{uri}', $resource, $template );
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return new WP_REST_Response(
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array( 'url' => $url, 'template' => $template ),
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200
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);
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}
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}
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