wordpress-activitypub/includes/rest/class-followers.php

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<?php
namespace Activitypub\Rest;
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/**
* ActivityPub Followers REST-Class
*
* @author Matthias Pfefferle
*
* @see https://www.w3.org/TR/activitypub/#followers
*/
class Followers {
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/**
* Initialize the class, registering WordPress hooks
*/
public static function init() {
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\add_action( 'rest_api_init', array( '\Activitypub\Rest\Followers', 'register_routes' ) );
}
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/**
* Register routes
*/
public static function register_routes() {
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\register_rest_route(
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'activitypub/1.0', '/users/(?P<user_id>\d+)/followers', array(
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array(
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'methods' => \WP_REST_Server::READABLE,
'callback' => array( '\Activitypub\Rest\Followers', 'get' ),
'args' => self::request_parameters(),
'permission_callback' => '__return_true',
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),
)
);
}
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/**
* Handle GET request
*
* @param WP_REST_Request $request
*
* @return WP_REST_Response
*/
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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 ( ! $user ) {
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return new \WP_Error( 'rest_invalid_param', \__( 'User not found', 'activitypub' ), array(
'status' => 404,
'params' => array(
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'user_id' => \__( 'User not found', 'activitypub' ),
),
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) );
}
/*
* Action triggerd prior to the ActivityPub profile being created and sent to the client
*/
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\do_action( 'activitypub_outbox_pre' );
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$json = new \stdClass();
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$json->{'@context'} = \Activitypub\get_context();
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$json->partOf = \get_rest_url( null, "/activitypub/1.0/users/$user_id/followers" ); // phpcs:ignore
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$json->totalItems = \Activitypub\count_followers( $user_id ); // phpcs:ignore
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$json->orderedItems = \Activitypub\Peer\Followers::get_followers( $user_id ); // phpcs:ignore
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$json->first = $json->partOf; // phpcs:ignore
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$json->first = \get_rest_url( null, "/activitypub/1.0/users/$user_id/followers" );
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$response = new \WP_REST_Response( $json, 200 );
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$response->header( 'Content-Type', 'application/activity+json' );
return $response;
}
/**
* The supported parameters
*
* @return array list of parameters
*/
public static function request_parameters() {
$params = array();
$params['page'] = array(
'type' => 'integer',
);
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$params['user_id'] = array(
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'required' => true,
'type' => 'integer',
);
return $params;
}
}