Profiles: Update followers when profile fields change (#542)
* Profiles: update followers when profile fields change * use static * only try to merge mention inboxes when valid * cleanups * add hook to wp_update_user * update readme --------- Co-authored-by: Matthias Pfefferle <pfefferle@users.noreply.github.com>
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Matt Wiebe
GitHub
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4 changed files with 137 additions and 13 deletions
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@ -114,6 +114,7 @@ Project maintained on GitHub at [automattic/wordpress-activitypub](https://githu
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* Added: CSS class for ActivityPub comments to allow custom designs
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* Added: FEP-2677: Identifying the Application Actor
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* Added: Basic Comment Federation
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* Added: Profile Update Activities
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* Improved: WebFinger endpoints
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### 1.3.0 ###
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@ -28,6 +28,7 @@ class Activity_Dispatcher {
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public static function init() {
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\add_action( 'activitypub_send_activity', array( self::class, 'send_activity' ), 10, 2 );
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\add_action( 'activitypub_send_activity', array( self::class, 'send_activity_or_announce' ), 10, 2 );
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\add_action( 'activitypub_send_update_profile_activity', array( self::class, 'send_profile_update' ), 10, 1 );
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}
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/**
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@ -76,17 +77,7 @@ class Activity_Dispatcher {
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$activity = $transformer->to_activity( $type );
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$follower_inboxes = Followers::get_inboxes( $user_id );
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$mentioned_inboxes = Mention::get_inboxes( $activity->get_cc() );
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$inboxes = array_merge( $follower_inboxes, $mentioned_inboxes );
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$inboxes = array_unique( $inboxes );
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$json = $activity->to_json();
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foreach ( $inboxes as $inbox ) {
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safe_remote_post( $inbox, $json, $user_id );
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}
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self::send_activity_to_inboxes( $activity, $user_id );
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}
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/**
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@ -112,12 +103,60 @@ class Activity_Dispatcher {
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$user_id = $transformer->get_wp_user_id();
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$activity = $transformer->to_activity( 'Announce' );
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self::send_activity_to_inboxes( $activity, $user_id );
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}
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/**
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* Send a "Update" Activity when a user updates their profile.
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*
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* @param int $user_id The user ID to send an update for.
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*
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* @return void
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*/
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public static function send_profile_update( $user_id ) {
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$user = Users::get_by_various( $user_id );
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// bail if that's not a good user
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if ( is_wp_error( $user ) ) {
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return;
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}
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// build the update
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$activity = new Activity();
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$activity->set_id( $user->get_url() . '#update' );
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$activity->set_type( 'Update' );
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$activity->set_actor( $user->get_url() );
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$activity->set_object( $user->get_url() );
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$activity->set_to( 'https://www.w3.org/ns/activitystreams#Public' );
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// send the update
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self::send_activity_to_inboxes( $activity, $user_id );
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}
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/**
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* Send an Activity to all followers and mentioned users.
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*
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* @param Activity $activity The ActivityPub Activity.
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* @param int $user_id The user ID.
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*
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* @return void
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*/
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private static function send_activity_to_inboxes( $activity, $user_id ) {
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$follower_inboxes = Followers::get_inboxes( $user_id );
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$mentioned_inboxes = Mention::get_inboxes( $activity->get_cc() );
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$mentioned_inboxes = array();
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$cc = $activity->get_cc();
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if ( $cc ) {
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$mentioned_inboxes = Mention::get_inboxes( $cc );
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}
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$inboxes = array_merge( $follower_inboxes, $mentioned_inboxes );
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$inboxes = array_unique( $inboxes );
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if ( empty( $inboxes ) ) {
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return;
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}
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$json = $activity->to_json();
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foreach ( $inboxes as $inbox ) {
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@ -6,12 +6,15 @@ use Activitypub\Collection\Users;
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use Activitypub\Collection\Followers;
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use Activitypub\Transformer\Post;
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use function Activitypub\is_user_type_disabled;
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/**
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* ActivityPub Scheduler Class
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*
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* @author Matthias Pfefferle
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*/
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class Scheduler {
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/**
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* Initialize the class, registering WordPress hooks
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*/
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@ -58,6 +61,22 @@ class Scheduler {
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// Migration
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\add_action( 'admin_init', array( self::class, 'schedule_migration' ) );
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// profile updates for blog options
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if ( ! is_user_type_disabled( 'blog' ) ) {
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\add_action( 'update_option_site_icon', array( self::class, 'blog_user_update' ) );
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\add_action( 'update_option_blogdescription', array( self::class, 'blog_user_update' ) );
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\add_action( 'update_option_blogname', array( self::class, 'blog_user_update' ) );
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\add_filter( 'pre_set_theme_mod_custom_logo', array( self::class, 'blog_user_update' ) );
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\add_filter( 'pre_set_theme_mod_header_image', array( self::class, 'blog_user_update' ) );
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}
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// profile updates for user options
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if ( ! is_user_type_disabled( 'user' ) ) {
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\add_action( 'wp_update_user', array( self::class, 'user_update' ) );
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\add_action( 'updated_user_meta', array( self::class, 'user_meta_update' ), 10, 3 );
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// @todo figure out a feasible way of updating the header image since it's not unique to any user.
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}
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}
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/**
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@ -255,4 +274,68 @@ class Scheduler {
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\wp_schedule_single_event( \time(), 'activitypub_schedule_migration' );
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}
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}
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/**
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* Send a profile update when relevant user meta is updated.
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*
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* @param int $meta_id Meta ID being updated.
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* @param int $user_id User ID being updated.
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* @param string $meta_key Meta key being updated.
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*
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* @return void
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*/
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public static function user_meta_update( $meta_id, $user_id, $meta_key ) {
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// don't bother if the user can't publish
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if ( ! \user_can( $user_id, 'publish_posts' ) ) {
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return;
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}
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// the user meta fields that affect a profile.
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$fields = array(
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'activitypub_user_description',
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'description',
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'user_url',
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'display_name',
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);
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if ( in_array( $meta_key, $fields, true ) ) {
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self::schedule_profile_update( $user_id );
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}
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}
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/**
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* Send a profile update when a user is updated.
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*
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* @param int $user_id User ID being updated.
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*
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* @return void
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*/
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public static function user_update( $user_id ) {
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// don't bother if the user can't publish
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if ( ! \user_can( $user_id, 'publish_posts' ) ) {
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return;
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}
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self::schedule_profile_update( $user_id );
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}
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/**
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* Theme mods only have a dynamic filter so we fudge it like this.
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* @param mixed $value
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* @return mixed
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*/
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public static function blog_user_update( $value = null ) {
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self::schedule_profile_update( 0 );
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return $value;
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}
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/**
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* Send a profile update to all followers. Gets hooked into all relevant options/meta etc.
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* @param int $user_id The user ID to update (Could be 0 for Blog-User).
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*/
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public static function schedule_profile_update( $user_id ) {
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\wp_schedule_single_event(
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\time(),
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'activitypub_send_update_profile_activity',
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array( $user_id )
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);
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}
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}
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@ -114,6 +114,7 @@ Project maintained on GitHub at [automattic/wordpress-activitypub](https://githu
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* Added: CSS class for ActivityPub comments to allow custom designs
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* Added: FEP-2677: Identifying the Application Actor
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* Added: Basic Comment Federation
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* Added: Profile Update Activities
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* Improved: WebFinger endpoints
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= 1.3.0 =
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