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<?php |
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/** |
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* Following_Controller file. |
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* |
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* @package Activitypub |
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*/ |
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|
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namespace Activitypub\Rest; |
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|
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use Activitypub\Activity\Base_Object; |
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use Activitypub\Collection\Following; |
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use Activitypub\Collection\Remote_Actors; |
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|
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use function Activitypub\get_masked_wp_version; |
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use function Activitypub\get_rest_url_by_path; |
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|
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/** |
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* Following_Controller 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_Controller extends Actors_Controller { |
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use Collection; |
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|
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/** |
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* Register routes. |
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*/ |
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public function register_routes() { |
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\register_rest_route( |
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$this->namespace, |
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'/' . $this->rest_base . '/following', |
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array( |
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'args' => array( |
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'user_id' => array( |
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'description' => 'The ID of the actor.', |
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'type' => 'integer', |
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'required' => true, |
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'validate_callback' => array( $this, 'validate_user_id' ), |
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), |
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), |
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array( |
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'methods' => \WP_REST_Server::READABLE, |
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'callback' => array( $this, 'get_items' ), |
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'permission_callback' => array( $this, 'verify_signature' ), |
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'args' => array( |
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'page' => array( |
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'description' => 'Current page of the collection.', |
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'type' => 'integer', |
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'minimum' => 1, |
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// No default so we can differentiate between Collection and CollectionPage requests. |
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), |
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'per_page' => array( |
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'description' => 'Maximum number of items to be returned in result set.', |
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'type' => 'integer', |
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'default' => 10, |
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'minimum' => 1, |
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'maximum' => 100, |
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), |
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'order' => array( |
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'description' => 'Order sort attribute ascending or descending.', |
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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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'context' => array( |
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'description' => 'The context in which the request is made.', |
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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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), |
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), |
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'schema' => array( $this, 'get_public_item_schema' ), |
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) |
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); |
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} |
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|
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/** |
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* Retrieves following list. |
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* |
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* @param \WP_REST_Request $request Full details about the request. |
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* @return \WP_REST_Response|\WP_Error Response object on success, or WP_Error object on failure. |
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*/ |
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public function get_items( $request ) { |
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$user_id = $request->get_param( 'user_id' ); |
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|
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/** |
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* Action triggered prior to the ActivityPub profile being created and sent to the client. |
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*/ |
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\do_action( 'activitypub_rest_following_pre' ); |
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|
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$order = $request->get_param( 'order' ); |
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$per_page = $request->get_param( 'per_page' ); |
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$page = $request->get_param( 'page' ) ?? 1; |
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$context = $request->get_param( 'context' ); |
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|
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$data = Following::query( $user_id, $per_page, $page, array( 'order' => \ucwords( $order ) ) ); |
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|
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$response = array( |
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'id' => get_rest_url_by_path( \sprintf( 'actors/%d/following', $user_id ) ), |
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'generator' => 'https://wordpress.org/?v=' . get_masked_wp_version(), |
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'type' => 'OrderedCollection', |
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'totalItems' => $data['total'], |
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); |
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|
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if ( 'full' === $context ) { |
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// Ensure the context is the first element in the response. |
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$response = array( '@context' => Base_Object::JSON_LD_CONTEXT ) + $response; |
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} |
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|
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if ( $this->show_social_graph( $request ) ) { |
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$response['orderedItems'] = \array_filter( |
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\array_map( |
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static function ( $item ) use ( $context ) { |
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if ( 'full' === $context ) { |
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$actor = Remote_Actors::get_actor( $item ); |
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if ( \is_wp_error( $actor ) ) { |
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return false; |
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} |
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return $actor->to_array( false ); |
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} |
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return $item->guid; |
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}, |
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$data['following'] |
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) |
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); |
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} |
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|
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$response = $this->prepare_collection_response( $response, $request ); |
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if ( \is_wp_error( $response ) ) { |
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return $response; |
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} |
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|
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$response = \rest_ensure_response( $response ); |
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$response->header( 'Content-Type', 'application/activity+json; charset=' . \get_option( 'blog_charset' ) ); |
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|
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return $response; |
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} |
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|
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/** |
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* Retrieves the following schema, conforming to JSON Schema. |
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* |
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* @return array Item schema data. |
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*/ |
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public function get_item_schema() { |
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if ( $this->schema ) { |
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return $this->add_additional_fields_schema( $this->schema ); |
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} |
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|
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// Define the schema for items in the following collection. |
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$item_schema = array( |
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'oneOf' => array( |
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array( |
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'type' => 'string', |
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'format' => 'uri', |
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), |
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array( |
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'type' => 'object', |
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'properties' => array( |
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'id' => array( |
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'type' => 'string', |
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'format' => 'uri', |
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), |
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'type' => array( |
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'type' => 'string', |
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), |
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'name' => array( |
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'type' => 'string', |
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), |
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'icon' => array( |
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'type' => 'object', |
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'properties' => array( |
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'type' => array( |
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'type' => 'string', |
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), |
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'mediaType' => array( |
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'type' => 'string', |
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), |
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'url' => array( |
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'type' => 'string', |
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'format' => 'uri', |
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), |
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), |
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), |
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'published' => array( |
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'type' => 'string', |
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'format' => 'date-time', |
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), |
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'summary' => array( |
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'type' => 'string', |
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), |
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'updated' => array( |
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'type' => 'string', |
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'format' => 'date-time', |
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), |
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'url' => array( |
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'type' => 'string', |
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'format' => 'uri', |
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), |
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'streams' => array( |
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'type' => 'array', |
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), |
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'preferredUsername' => array( |
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'type' => 'string', |
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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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$schema = $this->get_collection_schema( $item_schema ); |
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|
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// Add following-specific properties. |
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$schema['title'] = 'following'; |
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$schema['properties']['actor'] = array( |
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'description' => 'The actor who owns the following collection.', |
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'type' => 'string', |
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'format' => 'uri', |
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'readonly' => true, |
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); |
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$schema['properties']['generator'] = array( |
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'description' => 'The generator of the following collection.', |
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'type' => 'string', |
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'format' => 'uri', |
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'readonly' => true, |
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); |
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|
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$this->schema = $schema; |
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|
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return $this->add_additional_fields_schema( $this->schema ); |
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} |
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} |
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|
