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<?php |
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/** |
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* ActivityPub Relay Class |
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* |
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* Handles forwarding of activities when relay mode is enabled. |
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* |
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* @package Activitypub |
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*/ |
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|
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namespace Activitypub; |
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|
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use Activitypub\Activity\Activity; |
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use Activitypub\Collection\Actors; |
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use Activitypub\Collection\Outbox; |
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|
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/** |
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* ActivityPub Relay Class |
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* |
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* Provides relay functionality to forward public activities to all followers. |
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*/ |
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class Relay { |
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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_action( 'activitypub_handled_create', array( self::class, 'handle_activity' ), 10, 3 ); |
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\add_action( 'activitypub_handled_update', array( self::class, 'handle_activity' ), 10, 3 ); |
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\add_action( 'activitypub_handled_delete', array( self::class, 'handle_activity' ), 10, 3 ); |
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\add_action( 'activitypub_handled_announce', array( self::class, 'handle_activity' ), 10, 3 ); |
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\add_action( 'load-settings_page_activitypub', array( self::class, 'unhook_settings_fields' ), 11 ); |
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} |
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|
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/** |
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* Handle incoming activity and relay if needed. |
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* |
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* @param array $activity The activity data. |
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* @param array $user_ids The user IDs that are recipients. |
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* @param bool $success Whether the activity was handled successfully. |
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*/ |
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public static function handle_activity( $activity, $user_ids, $success ) { |
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// Only relay if: successfully handled, Blog actor is recipient, activity is public, and in single-user mode. |
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if ( |
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! $success || |
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! \in_array( Actors::BLOG_USER_ID, (array) $user_ids, true ) || |
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! is_activity_public( $activity ) || |
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! is_single_user() |
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) { |
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return; |
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} |
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|
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// Create Announce wrapper. |
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$announce = new Activity(); |
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$announce->set_type( 'Announce' ); |
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$announce->set_actor( Actors::BLOG_USER_ID ); |
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$announce->set_object( $activity ); |
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$announce->set_published( \gmdate( ACTIVITYPUB_DATE_TIME_RFC3339 ) ); |
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|
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// Add to outbox for distribution. The outbox will generate the ID. |
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Outbox::add( $announce, Actors::BLOG_USER_ID ); |
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} |
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|
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/** |
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* Unhook settings fields when relay mode is enabled. |
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* |
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* Removes all settings sections except moderation when relay mode is active. |
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*/ |
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public static function unhook_settings_fields() { |
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global $wp_settings_sections; |
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|
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if ( ! isset( $wp_settings_sections['activitypub_settings'] ) ) { |
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return; |
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} |
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|
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// Keep only the moderation section. |
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foreach ( $wp_settings_sections['activitypub_settings'] as $section_id => $section ) { |
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if ( 'activitypub_moderation' !== $section_id ) { |
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unset( $wp_settings_sections['activitypub_settings'][ $section_id ] ); |
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} |
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} |
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} |
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} |
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|
