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<?php |
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/** |
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* WebFinger integration 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\Integration; |
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|
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use Activitypub\Collection\Actors; |
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|
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use function Activitypub\get_rest_url_by_path; |
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|
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/** |
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* Compatibility with the WebFinger plugin |
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* |
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* @see https://wordpress.org/plugins/webfinger/ |
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*/ |
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class Webfinger { |
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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_filter( 'webfinger_user_data', array( self::class, 'add_user_discovery' ), 1, 3 ); |
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\add_filter( 'webfinger_data', array( self::class, 'add_pseudo_user_discovery' ), 1, 2 ); |
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|
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\add_filter( 'webfinger_data', array( self::class, 'add_interaction_links' ), 11 ); |
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} |
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|
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/** |
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* Add WebFinger discovery links. |
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* |
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* @param array $jrd The jrd array. |
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* @param string $uri The WebFinger resource. |
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* @param \WP_User $user The WordPress user. |
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* |
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* @return array The jrd array. |
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*/ |
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public static function add_user_discovery( $jrd, $uri, $user ) { |
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$user = Actors::get_by_id( $user->ID ); |
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|
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if ( ! $user || \is_wp_error( $user ) ) { |
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return $jrd; |
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} |
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|
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$jrd['subject'] = \sprintf( 'acct:%s', $user->get_webfinger() ); |
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|
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$jrd['aliases'][] = $user->get_id(); |
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$jrd['aliases'][] = $user->get_url(); |
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$jrd['aliases'][] = $user->get_alternate_url(); |
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$jrd['aliases'] = \array_unique( $jrd['aliases'] ); |
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$jrd['aliases'] = \array_values( $jrd['aliases'] ); |
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|
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$jrd['links'][] = array( |
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'rel' => 'self', |
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'type' => 'application/activity+json', |
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'href' => $user->get_id(), |
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); |
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|
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return $jrd; |
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} |
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|
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/** |
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* Add WebFinger discovery links. |
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* |
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* @param array $jrd The jrd array. |
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* @param string $uri The WebFinger resource. |
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* |
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* @return array|\WP_Error The jrd array or WP_Error. |
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*/ |
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public static function add_pseudo_user_discovery( $jrd, $uri ) { |
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$user = Actors::get_by_resource( $uri ); |
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|
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if ( \is_wp_error( $user ) ) { |
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return $user; |
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} |
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|
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$aliases = array( |
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$user->get_id(), |
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$user->get_url(), |
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$user->get_alternate_url(), |
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); |
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|
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$aliases = \array_unique( $aliases ); |
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$aliases = \array_values( $aliases ); |
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|
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$profile = array( |
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'subject' => \sprintf( 'acct:%s', $user->get_webfinger() ), |
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'aliases' => $aliases, |
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'links' => array( |
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array( |
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'rel' => 'self', |
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'type' => 'application/activity+json', |
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'href' => $user->get_id(), |
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), |
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array( |
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'rel' => 'http://webfinger.net/rel/profile-page', |
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'type' => 'text/html', |
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'href' => $user->get_id(), |
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), |
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), |
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); |
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|
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if ( 'Person' !== $user->get_type() ) { |
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$profile['links'][0]['properties'] = array( |
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'https://www.w3.org/ns/activitystreams#type' => $user->get_type(), |
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); |
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} |
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|
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return $profile; |
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} |
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|
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/** |
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* Add interaction links to the WebFinger data. |
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* |
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* @see https://codeberg.org/fediverse/fep/src/branch/main/fep/3b86/fep-3b86.md |
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* |
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* @param array $jrd The jrd array. |
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* |
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* @return array The jrd array. |
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*/ |
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public static function add_interaction_links( $jrd ) { |
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if ( ! \is_array( $jrd ) ) { |
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return $jrd; |
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} |
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|
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$jrd['links'][] = array( |
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'rel' => 'http://ostatus.org/schema/1.0/subscribe', |
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'template' => get_rest_url_by_path( 'interactions?uri={uri}' ), |
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); |
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|
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/* |
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* Note: The parameter name `{inReplyTo}` is used here for all 'Create' intents, |
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* not just replies, to maintain compatibility with existing implementations and |
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* the FEP-3b86 specification. If a more generic parameter name is adopted in the |
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* future, this should be updated accordingly. |
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*/ |
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$jrd['links'][] = array( |
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'rel' => 'https://w3id.org/fep/3b86/Create', |
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'template' => get_rest_url_by_path( 'interactions?uri={inReplyTo}&intent=create' ), |
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); |
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|
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$jrd['links'][] = array( |
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'rel' => 'https://w3id.org/fep/3b86/Follow', |
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'template' => get_rest_url_by_path( 'interactions?uri={object}&intent=follow' ), |
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); |
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|
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return $jrd; |
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} |
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} |
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|
