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<?php |
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namespace Activitypub\Rest; |
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|
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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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/** |
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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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/** |
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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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/** |
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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 = $request->get_param( 'comment_id' ); |
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|
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$comment = get_comment( $comment_id ); |
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|
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if ( ! $comment ) { |
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return new WP_Error( 'activitypub_comment_not_found', __( 'Comment not found', 'activitypub' ), array( 'status' => 404 ) ); |
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} |
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|
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$is_local = Comment_Utils::is_local( $comment ); |
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|
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if ( $is_local ) { |
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return new WP_Error( 'activitypub_local_only_comment', __( 'Comment is local only', 'activitypub' ), array( 'status' => 403 ) ); |
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} |
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|
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$template = Webfinger_Utils::get_remote_follow_endpoint( $resource ); |
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|
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if ( is_wp_error( $template ) ) { |
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return $template; |
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} |
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|
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$comment_meta = \get_comment_meta( $comment_id ); |
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|
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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( $comment ); |
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} |
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|
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$url = str_replace( '{uri}', $resource, $template ); |
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|
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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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|
