1247 lines
36 KiB
PHP
1247 lines
36 KiB
PHP
<?php
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/**
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* Enable Mastodon Apps integration class file.
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*
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* @package Activitypub
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*/
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namespace Activitypub\Integration;
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use Activitypub\Activity\Actor;
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use Activitypub\Collection\Actors;
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use Activitypub\Collection\Extra_Fields;
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use Activitypub\Collection\Followers;
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use Activitypub\Collection\Remote_Actors;
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use Activitypub\Http;
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use Activitypub\Mention;
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use Activitypub\Transformer\Factory;
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use Activitypub\Webfinger as Webfinger_Util;
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use Enable_Mastodon_Apps\Entity\Account;
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use Enable_Mastodon_Apps\Entity\Media_Attachment;
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use Enable_Mastodon_Apps\Entity\Notification;
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use Enable_Mastodon_Apps\Entity\Status;
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use function Activitypub\get_remote_metadata_by_actor;
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use function Activitypub\is_user_type_disabled;
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/**
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* Class Enable_Mastodon_Apps.
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*
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* This class is used to enable Mastodon Apps to work with ActivityPub.
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*
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* @see https://github.com/akirk/enable-mastodon-apps
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*/
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class Enable_Mastodon_Apps {
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/**
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* Default limit for notifications.
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*
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* @var int
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*/
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const DEFAULT_NOTIFICATION_LIMIT = 15;
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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( 'mastodon_api_valid_user', array( self::class, 'is_ap_actor' ), 10, 2 );
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\add_filter( 'mastodon_api_account_followers', array( self::class, 'api_account_followers' ), 10, 2 );
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\add_filter( 'mastodon_api_account', array( self::class, 'api_account_external' ), 15, 2 );
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\add_filter( 'mastodon_api_account', array( self::class, 'api_account_internal' ), 9, 2 );
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\add_filter( 'mastodon_api_status', array( self::class, 'api_status' ), 9, 2 );
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\add_filter( 'mastodon_api_search', array( self::class, 'api_search' ), 40, 2 );
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\add_filter( 'mastodon_api_search', array( self::class, 'api_search_by_url' ), 40, 2 );
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\add_filter( 'mastodon_api_get_posts_query_args', array( self::class, 'api_get_posts_query_args' ) );
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\add_filter( 'mastodon_api_statuses', array( self::class, 'api_statuses_external' ), 10, 2 );
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\add_filter( 'mastodon_api_status_by_url', array( self::class, 'api_status_by_url' ), 10, 2 );
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\add_filter( 'mastodon_api_status_context', array( self::class, 'api_get_replies' ), 10, 3 );
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\add_filter( 'mastodon_api_update_credentials', array( self::class, 'api_update_credentials' ), 10, 2 );
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\add_filter( 'mastodon_api_submit_status_text', array( Mention::class, 'the_content' ) );
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\add_filter( 'mastodon_api_notifications_get', array( self::class, 'api_notifications_get' ), 10, 5 );
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\add_filter( 'mastodon_api_tag_timeline', array( self::class, 'api_tag_timeline_tags_pub' ), 20, 2 );
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}
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/**
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* Map user to blog if user is disabled.
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*
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* @param int $user_id The user id.
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*
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* @return int The user id.
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*/
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public static function maybe_map_user_to_blog( $user_id ) {
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if (
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is_user_type_disabled( 'user' ) &&
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! is_user_type_disabled( 'blog' ) &&
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// Check if the blog user is permissible for this user.
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user_can( $user_id, 'activitypub' )
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) {
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return Actors::BLOG_USER_ID;
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}
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return $user_id;
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}
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/**
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* Update profile data for Mastodon API.
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*
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* @param array $data The data to act on.
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* @param int $user_id The user id.
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* @return array The possibly-filtered data (data that's saved gets unset from the array).
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*/
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public static function api_update_credentials( $data, $user_id ) {
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if ( empty( $user_id ) ) {
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return $data;
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}
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$user_id = self::maybe_map_user_to_blog( $user_id );
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$user = Actors::get_by_id( $user_id );
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if ( ! $user || is_wp_error( $user ) ) {
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return $data;
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}
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// User::update_icon and other update_* methods check data validity, so we don't need to do it here.
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if ( isset( $data['avatar'] ) && $user->update_icon( $data['avatar'] ) ) {
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// Unset the avatar so it doesn't get saved again by other plugins.
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// Ditto for all other fields below.
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unset( $data['avatar'] );
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}
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if ( isset( $data['header'] ) && $user->update_header( $data['header'] ) ) {
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unset( $data['header'] );
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}
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if ( isset( $data['display_name'] ) && $user->update_name( $data['display_name'] ) ) {
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unset( $data['display_name'] );
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}
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if ( isset( $data['note'] ) && $user->update_summary( $data['note'] ) ) {
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unset( $data['note'] );
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}
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if ( isset( $data['fields_attributes'] ) ) {
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self::set_extra_fields( $user_id, $data['fields_attributes'] );
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unset( $data['fields_attributes'] );
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}
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return $data;
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}
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/**
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* Get extra fields for Mastodon API.
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*
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* @param int $user_id The user id to act on.
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* @return array The extra fields.
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*/
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private static function get_extra_fields( $user_id ) {
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$ret = array();
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$fields = Extra_Fields::get_actor_fields( $user_id );
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foreach ( $fields as $field ) {
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$ret[] = array(
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'name' => $field->post_title,
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'value' => Extra_Fields::get_formatted_content( $field ),
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);
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}
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return $ret;
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}
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/**
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* Set extra fields for Mastodon API.
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*
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* @param int $user_id The user id to act on.
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* @param array $fields The fields to set. It is assumed to be the entire set of desired fields.
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*/
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private static function set_extra_fields( $user_id, $fields ) {
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// The Mastodon API submits a simple hash for every field.
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// We can reasonably assume a similar order for our operations below.
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$ids = wp_list_pluck( Extra_Fields::get_actor_fields( $user_id ), 'ID' );
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$is_blog = Actors::BLOG_USER_ID === $user_id;
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$post_type = $is_blog ? Extra_Fields::BLOG_POST_TYPE : Extra_Fields::USER_POST_TYPE;
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foreach ( $fields as $i => $field ) {
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$post_id = $ids[ $i ] ?? null;
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$has_post = $post_id && \get_post( $post_id );
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$args = array(
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'post_title' => $field['name'],
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'post_content' => Extra_Fields::make_paragraph_block( $field['value'] ),
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);
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if ( $has_post ) {
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$args['ID'] = $ids[ $i ];
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\wp_update_post( $args );
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} else {
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$args['post_type'] = $post_type;
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$args['post_status'] = 'publish';
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if ( ! $is_blog ) {
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$args['post_author'] = $user_id;
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}
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\wp_insert_post( $args );
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}
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}
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// Delete any remaining fields.
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if ( \count( $fields ) < \count( $ids ) ) {
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$to_delete = \array_slice( $ids, \count( $fields ) );
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foreach ( $to_delete as $id ) {
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\wp_delete_post( $id, true );
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}
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}
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}
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/**
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* Validate ap_actor post IDs as valid Mastodon API users.
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*
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* @param bool $is_valid Whether the user is valid.
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* @param string|int $user_id The user ID to check.
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*
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* @return bool True if the user ID is a valid ap_actor post.
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*/
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public static function is_ap_actor( $is_valid, $user_id ) {
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if ( $is_valid ) {
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return $is_valid;
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}
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if ( \is_numeric( $user_id ) && Remote_Actors::POST_TYPE === \get_post_type( (int) $user_id ) ) {
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return true;
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}
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return $is_valid;
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}
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/**
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* Add followers to Mastodon API.
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*
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* @param array $followers An array of followers.
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* @param string $user_id The user id.
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*
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* @return array The filtered followers
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*/
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public static function api_account_followers( $followers, $user_id ) {
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$user_id = self::maybe_map_user_to_blog( $user_id );
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$activitypub_followers = Followers::get_many( $user_id, 40 );
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$mastodon_followers = array();
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foreach ( $activitypub_followers as $follower ) {
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$actor = Remote_Actors::get_actor( $follower );
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if ( ! $actor || \is_wp_error( $actor ) ) {
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continue;
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}
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$account = self::actor_to_account( $actor, $follower->ID );
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$account->followers_count = 0;
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$account->following_count = 0;
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$account->statuses_count = 0;
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$account->bot = false;
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$account->locked = false;
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$account->group = false;
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$account->discoverable = false;
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$account->noindex = false;
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$account->fields = array();
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$account->emojis = array();
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$mastodon_followers[] = $account;
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}
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return array_merge( $mastodon_followers, $followers );
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}
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/**
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* Resolve external accounts for Mastodon API
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*
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* @param Account $user_data The user data.
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* @param string $user_id The user id.
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*
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* @return Account The filtered Account.
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*/
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public static function api_account_external( $user_data, $user_id ) {
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if ( ! $user_data && \is_numeric( $user_id ) && Remote_Actors::POST_TYPE === \get_post_type( (int) $user_id ) ) {
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$actor = Remote_Actors::get_actor( (int) $user_id );
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if ( $actor && ! \is_wp_error( $actor ) ) {
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return self::actor_to_account( $actor, (int) $user_id );
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}
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}
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if ( $user_data || ( is_numeric( $user_id ) && $user_id ) ) {
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// Only augment.
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return $user_data;
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}
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$user = Actors::get_by_various( $user_id );
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if ( $user && ! is_wp_error( $user ) ) {
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return $user_data;
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}
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$uri = Webfinger_Util::resolve( $user_id );
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if ( ! $uri || is_wp_error( $uri ) ) {
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return $user_data;
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}
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$account = self::get_account_for_actor( $uri );
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if ( $account ) {
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return $account;
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}
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return $user_data;
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}
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/**
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* Resolve internal accounts for Mastodon API
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*
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* @param Account $user_data The user data.
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* @param string $user_id The user id.
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*
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* @return Account The filtered Account.
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*/
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public static function api_account_internal( $user_data, $user_id ) {
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$user_id_to_use = self::maybe_map_user_to_blog( $user_id );
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$user = Actors::get_by_id( $user_id_to_use );
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if ( ! $user || is_wp_error( $user ) ) {
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return $user_data;
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}
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// Convert user to account.
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$account = new Account();
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// Even if we have a blog user, maintain the provided user_id so as not to confuse clients.
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$account->id = (int) $user_id;
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$account->username = $user->get_preferred_username();
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$account->acct = $account->username;
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$account->display_name = $user->get_name();
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$account->note = $user->get_summary();
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$account->source['note'] = wp_strip_all_tags( $account->note, true );
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$account->url = $user->get_url();
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$icon = $user->get_icon();
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$account->avatar = $icon['url'];
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$account->avatar_static = $account->avatar;
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$header = $user->get_image();
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if ( $header ) {
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$account->header = $header['url'];
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$account->header_static = $account->header;
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}
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$account->created_at = new \DateTime( $user->get_published() );
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$post_types = \get_option( 'activitypub_support_post_types', array( 'post' ) );
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$query_args = array(
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'post_type' => $post_types,
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'posts_per_page' => 1,
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);
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if ( $user_id > 0 ) {
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$query_args['author'] = $user_id;
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}
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$posts = \get_posts( $query_args );
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$account->last_status_at = ! empty( $posts ) ? new \DateTime( $posts[0]->post_date_gmt ) : $account->created_at;
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$account->fields = self::get_extra_fields( $user_id_to_use );
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// Now do it in source['fields'] with stripped tags.
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$account->source['fields'] = \array_map(
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static function ( $field ) {
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$field['value'] = \wp_strip_all_tags( $field['value'], true );
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return $field;
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},
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$account->fields
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);
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$account->followers_count = Followers::count( $user_id );
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return $account;
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}
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/**
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* Use our representation of posts to power each status item.
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* Includes proper referencing of 3rd party comments that arrived via federation.
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*
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* @param null|Status $status The status, typically null to allow later filters their shot.
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* @param int $post_id The post ID.
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* @return Status|null The status.
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*/
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public static function api_status( $status, $post_id ) {
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$post = \get_post( $post_id );
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if ( ! $post ) {
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return $status;
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}
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return self::api_post_status( $post_id );
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}
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/**
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* Transforms a WordPress post into a Mastodon-compatible status object.
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*
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* Takes a post ID, transforms it into an ActivityPub object, and converts
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* it to a Mastodon API status format including the author's account info.
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*
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* @param int $post_id The WordPress post ID to transform.
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* @return Status|null The Mastodon API status object, or null if the post is not found
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*/
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private static function api_post_status( $post_id ) {
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$post = Factory::get_transformer( get_post( $post_id ) );
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if ( is_wp_error( $post ) ) {
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return null;
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}
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$data = $post->to_object()->to_array();
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$account = self::api_account_internal( null, get_post_field( 'post_author', $post_id ) );
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return self::activity_to_status( $data, $account, $post_id );
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}
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/**
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* Get account for actor.
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*
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* @param string|Actor $actor_or_uri The Actor object or URI.
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*
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* @return Account|null The account.
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*/
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private static function get_account_for_actor( $actor_or_uri ) {
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// If it's already an Actor object, use it directly.
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if ( $actor_or_uri instanceof Actor ) {
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return self::actor_to_account( $actor_or_uri );
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}
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if ( ! \is_string( $actor_or_uri ) || empty( $actor_or_uri ) ) {
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return null;
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}
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// Fetch actor from cache or remote.
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$actor_post = Remote_Actors::fetch_by_uri( $actor_or_uri );
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if ( ! $actor_post || \is_wp_error( $actor_post ) ) {
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return null;
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}
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$actor = Remote_Actors::get_actor( $actor_post );
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if ( ! $actor || \is_wp_error( $actor ) ) {
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return null;
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}
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return self::actor_to_account( $actor, $actor_post->ID );
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}
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/**
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* Convert an Actor object to an Account.
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*
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* @param Actor $actor The actor object.
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* @param int|null $post_id Optional WordPress post ID for the actor.
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*
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* @return Account The account.
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*/
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private static function actor_to_account( $actor, $post_id = null ) {
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$account = new Account();
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$actor_id = $post_id ? $post_id : $actor->get__id();
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if ( ! $actor_id ) {
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$actor_id = $actor->get_id();
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}
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$account->id = \strval( $actor_id );
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$account->username = $actor->get_preferred_username();
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$account->acct = $actor->get_webfinger();
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$account->display_name = $actor->get_name();
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$account->url = $actor->get_url();
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$account->created_at = new \DateTime( 'now' );
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$icon = $actor->get_icon();
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$avatar = null;
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if ( $icon ) {
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if ( \is_array( $icon ) && isset( $icon['url'] ) ) {
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$avatar = $icon['url'];
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} elseif ( \is_string( $icon ) ) {
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$avatar = $icon;
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}
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}
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if ( $avatar ) {
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$account->avatar = $avatar;
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$account->avatar_static = $avatar;
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}
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$summary = $actor->get_summary();
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if ( $summary ) {
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$account->note = $summary;
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}
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$image = $actor->get_image();
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$header = null;
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if ( $image ) {
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if ( \is_array( $image ) && isset( $image['url'] ) ) {
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$header = $image['url'];
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} elseif ( \is_string( $image ) ) {
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$header = $image;
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}
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}
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if ( $header ) {
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$account->header = $header;
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$account->header_static = $header;
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}
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$published = $actor->get_published();
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if ( $published ) {
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$account->created_at = new \DateTime( $published );
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}
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return $account;
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}
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|
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/**
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* Fetch a status by its remote URL.
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*
|
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* @param Status|null $status The current status.
|
|
* @param string $url The remote URL of the status.
|
|
*
|
|
* @return Status|null The status, or null if it could not be fetched.
|
|
*/
|
|
public static function api_status_by_url( $status, $url ) {
|
|
if ( $status ) {
|
|
return $status;
|
|
}
|
|
|
|
$object = Http::get_remote_object( $url, true );
|
|
if ( \is_wp_error( $object ) || ! isset( $object['attributedTo'] ) ) {
|
|
return null;
|
|
}
|
|
|
|
$account = self::get_account_for_actor( $object['attributedTo'] );
|
|
if ( ! $account ) {
|
|
return null;
|
|
}
|
|
|
|
return self::activity_to_status( $object, $account );
|
|
}
|
|
|
|
/**
|
|
* Search by URL for Mastodon API.
|
|
*
|
|
* @param array $search_data The search data.
|
|
* @param object $request The request object.
|
|
*
|
|
* @return array The filtered search data.
|
|
*/
|
|
public static function api_search_by_url( $search_data, $request ) {
|
|
$p = \wp_parse_url( $request->get_param( 'q' ) );
|
|
if ( ! $p || ! isset( $p['host'] ) ) {
|
|
return $search_data;
|
|
}
|
|
|
|
$status = \apply_filters( 'mastodon_api_status_by_url', null, $request->get_param( 'q' ) );
|
|
if ( $status ) {
|
|
$search_data['statuses'][] = $status;
|
|
}
|
|
|
|
return $search_data;
|
|
}
|
|
|
|
/**
|
|
* Search for Mastodon API.
|
|
*
|
|
* @param array $search_data The search data.
|
|
* @param object $request The request object.
|
|
*
|
|
* @return array The filtered search data.
|
|
*/
|
|
public static function api_search( $search_data, $request ) {
|
|
$user_id = \get_current_user_id();
|
|
if ( ! $user_id ) {
|
|
return $search_data;
|
|
}
|
|
|
|
$q = $request->get_param( 'q' );
|
|
if ( ! $q ) {
|
|
return $search_data;
|
|
}
|
|
$q = sanitize_text_field( wp_unslash( $q ) );
|
|
|
|
$followers = Followers::get_many( $user_id, 40, null, array( 's' => $q ) );
|
|
if ( ! $followers ) {
|
|
return $search_data;
|
|
}
|
|
|
|
foreach ( $followers as $follower ) {
|
|
$actor = Remote_Actors::get_actor( $follower );
|
|
if ( ! $actor || \is_wp_error( $actor ) ) {
|
|
continue;
|
|
}
|
|
|
|
$account = self::actor_to_account( $actor, $follower->ID );
|
|
|
|
$account->uri = $actor->get_id();
|
|
|
|
$search_data['accounts'][] = $account;
|
|
}
|
|
|
|
return $search_data;
|
|
}
|
|
|
|
/**
|
|
* Get posts query args for Mastodon API.
|
|
*
|
|
* @param array $args The query arguments.
|
|
*
|
|
* @return array The filtered args.
|
|
*/
|
|
public static function api_get_posts_query_args( $args ) {
|
|
if ( isset( $args['author'] ) && is_string( $args['author'] ) ) {
|
|
$uri = Webfinger_Util::resolve( $args['author'] );
|
|
if ( $uri && ! is_wp_error( $uri ) ) {
|
|
$args['activitypub'] = $uri;
|
|
unset( $args['author'] );
|
|
}
|
|
}
|
|
|
|
return $args;
|
|
}
|
|
|
|
/**
|
|
* Convert an activity to a status.
|
|
*
|
|
* @param array $item The activity.
|
|
* @param Account $account The account.
|
|
* @param int $post_id The post ID. Optional, but will be preferred in the Status.
|
|
*
|
|
* @return Status|null The status.
|
|
*/
|
|
private static function activity_to_status( $item, $account, $post_id = null ) {
|
|
if ( isset( $item['object'] ) ) {
|
|
$object = $item['object'];
|
|
} else {
|
|
$object = $item;
|
|
}
|
|
|
|
if ( ! isset( $object['type'] ) || ! in_array( $object['type'], array( 'Article', 'Note' ), true ) || ! $account ) {
|
|
return null;
|
|
}
|
|
|
|
$status = new Status();
|
|
$status->id = $post_id ?? $object['id'];
|
|
$status->created_at = new \DateTime( $object['published'] );
|
|
$status->content = $object['content'];
|
|
$status->account = $account;
|
|
|
|
if ( ! empty( $object['inReplyTo'] ) ) {
|
|
$status->in_reply_to_id = $object['inReplyTo'];
|
|
}
|
|
|
|
if ( ! empty( $object['visibility'] ) ) {
|
|
$status->visibility = $object['visibility'];
|
|
}
|
|
if ( ! empty( $object['url'] ) ) {
|
|
$status->url = $object['url'];
|
|
$status->uri = $object['url'];
|
|
} else {
|
|
$status->uri = $object['id'];
|
|
}
|
|
|
|
if ( ! empty( $object['attachment'] ) ) {
|
|
$status->media_attachments = array_map(
|
|
static function ( $attachment ) {
|
|
$default_attachment = array(
|
|
'url' => null,
|
|
'mediaType' => null,
|
|
'name' => null,
|
|
'width' => 0,
|
|
'height' => 0,
|
|
'blurhash' => null,
|
|
);
|
|
|
|
$attachment = array_merge( $default_attachment, $attachment );
|
|
|
|
$media_attachment = new Media_Attachment();
|
|
$media_attachment->id = $attachment['url'];
|
|
$media_attachment->type = strtok( $attachment['mediaType'], '/' );
|
|
$media_attachment->url = $attachment['url'];
|
|
$media_attachment->preview_url = $attachment['url'];
|
|
$media_attachment->description = $attachment['name'];
|
|
if ( $attachment['blurhash'] ) {
|
|
$media_attachment->blurhash = $attachment['blurhash'];
|
|
}
|
|
if ( $attachment['width'] > 0 && $attachment['height'] > 0 ) {
|
|
$media_attachment->meta = array(
|
|
'original' => array(
|
|
'width' => $attachment['width'],
|
|
'height' => $attachment['height'],
|
|
'size' => $attachment['width'] . 'x' . $attachment['height'],
|
|
'aspect' => $attachment['width'] / $attachment['height'],
|
|
),
|
|
);}
|
|
return $media_attachment;
|
|
},
|
|
$object['attachment']
|
|
);
|
|
}
|
|
|
|
return $status;
|
|
}
|
|
|
|
/**
|
|
* Get posts for Mastodon API.
|
|
*
|
|
* @param array $statuses The statuses.
|
|
* @param array $args The arguments.
|
|
*
|
|
* @return array The filtered statuses.
|
|
*/
|
|
public static function api_statuses_external( $statuses, $args ) {
|
|
if ( ! isset( $args['activitypub'] ) ) {
|
|
return $statuses;
|
|
}
|
|
|
|
$data = get_remote_metadata_by_actor( $args['activitypub'] );
|
|
|
|
if ( ! $data || is_wp_error( $data ) || ! isset( $data['outbox'] ) ) {
|
|
return $statuses;
|
|
}
|
|
|
|
$outbox = Http::get_remote_object( $data['outbox'], true );
|
|
if ( is_wp_error( $outbox ) || ! isset( $outbox['first'] ) ) {
|
|
return $statuses;
|
|
}
|
|
|
|
$account = self::get_account_for_actor( $args['activitypub'] );
|
|
if ( ! $account ) {
|
|
return $statuses;
|
|
}
|
|
$limit = 10;
|
|
if ( isset( $args['posts_per_page'] ) ) {
|
|
$limit = $args['posts_per_page'];
|
|
}
|
|
if ( $limit > 40 ) {
|
|
$limit = 40;
|
|
}
|
|
$activitypub_statuses = array();
|
|
$url = $outbox['first'];
|
|
$tries = 0;
|
|
while ( $url ) {
|
|
if ( ++$tries > 3 ) {
|
|
break;
|
|
}
|
|
|
|
$posts = Http::get_remote_object( $url, true );
|
|
if ( is_wp_error( $posts ) ) {
|
|
return $statuses;
|
|
}
|
|
|
|
$new_statuses = array_map(
|
|
static function ( $item ) use ( $account, $args ) {
|
|
if ( $args['exclude_replies'] ) {
|
|
if ( isset( $item['object']['inReplyTo'] ) && $item['object']['inReplyTo'] ) {
|
|
return null;
|
|
}
|
|
}
|
|
return self::activity_to_status( $item, $account );
|
|
},
|
|
$posts['orderedItems']
|
|
);
|
|
$activitypub_statuses = array_merge( $activitypub_statuses, array_filter( $new_statuses ) );
|
|
$url = $posts['next'] ?? null;
|
|
|
|
if ( count( $activitypub_statuses ) >= $limit ) {
|
|
break;
|
|
}
|
|
}
|
|
|
|
return array_slice( $activitypub_statuses, 0, $limit );
|
|
}
|
|
|
|
/**
|
|
* Maximum number of tags.pub items to resolve per request.
|
|
*
|
|
* Each outbox item requires multiple HTTP round-trips to resolve
|
|
* (Announce activity → original post → author actor), so we ignore
|
|
* the client-requested limit and use this small batch size instead.
|
|
* Results are cached, so subsequent requests are fast.
|
|
*/
|
|
const TAGS_PUB_BATCH_SIZE = 5;
|
|
|
|
/**
|
|
* Supplement tag timeline with posts from tags.pub outbox.
|
|
*
|
|
* Fetches the outbox of the corresponding tags.pub actor (e.g. @wordpress@tags.pub)
|
|
* and resolves Announce activities to their original posts.
|
|
*
|
|
* @param \WP_REST_Response|null $statuses The current statuses (WP_REST_Response with Status[] data).
|
|
* @param \WP_REST_Request $request The request object.
|
|
*
|
|
* @return \WP_REST_Response|null The statuses including remote ones.
|
|
*/
|
|
public static function api_tag_timeline_tags_pub( $statuses, $request ) {
|
|
$hashtag = \strtolower( $request->get_param( 'hashtag' ) );
|
|
if ( ! $hashtag ) {
|
|
return $statuses;
|
|
}
|
|
|
|
$remote_statuses = self::fetch_tags_pub_outbox( $hashtag, self::TAGS_PUB_BATCH_SIZE );
|
|
if ( empty( $remote_statuses ) ) {
|
|
return $statuses;
|
|
}
|
|
|
|
if ( ! $statuses instanceof \WP_REST_Response ) {
|
|
return $statuses;
|
|
}
|
|
|
|
$merged = \array_merge( $statuses->data, $remote_statuses );
|
|
|
|
// Deduplicate by status ID to prevent client crashes (e.g. Tusky).
|
|
$seen = array();
|
|
$merged = \array_values(
|
|
\array_filter(
|
|
$merged,
|
|
function ( $status ) use ( &$seen ) {
|
|
if ( isset( $seen[ $status->id ] ) ) {
|
|
return false;
|
|
}
|
|
$seen[ $status->id ] = true;
|
|
return true;
|
|
}
|
|
)
|
|
);
|
|
|
|
// Sort by created_at descending.
|
|
\usort(
|
|
$merged,
|
|
function ( $a, $b ) {
|
|
$a_ts = isset( $a->created_at ) ? $a->created_at->getTimestamp() : 0;
|
|
$b_ts = isset( $b->created_at ) ? $b->created_at->getTimestamp() : 0;
|
|
return $b_ts - $a_ts;
|
|
}
|
|
);
|
|
|
|
$limit = $request->get_param( 'limit' ) ?: 20;
|
|
$statuses->data = \array_slice( $merged, 0, $limit );
|
|
|
|
return $statuses;
|
|
}
|
|
|
|
/**
|
|
* Fetch posts from the tags.pub outbox for a given hashtag.
|
|
*
|
|
* Resolved ActivityPub objects are cached as plain arrays in a transient
|
|
* to avoid storing PHP objects (which is brittle across deployments).
|
|
* Status entities are built fresh from the cached data on each request.
|
|
*
|
|
* @param string $hashtag The hashtag name (without #).
|
|
* @param int $limit Maximum number of posts to return.
|
|
*
|
|
* @return Status[] Array of Status entities.
|
|
*/
|
|
private static function fetch_tags_pub_outbox( $hashtag, $limit = 20 ) {
|
|
$transient_key = 'activitypub_tags_pub_' . \md5( $hashtag );
|
|
$cached = \get_transient( $transient_key );
|
|
|
|
if ( false === $cached ) {
|
|
$cached = self::resolve_tags_pub_items( $hashtag, $limit );
|
|
$ttl = empty( $cached ) ? 5 * \MINUTE_IN_SECONDS : 15 * \MINUTE_IN_SECONDS;
|
|
\set_transient( $transient_key, $cached, $ttl );
|
|
}
|
|
|
|
// Build Status entities from the cached ActivityPub data.
|
|
$statuses = array();
|
|
foreach ( $cached as $entry ) {
|
|
$account = self::get_account_for_actor( $entry['actor_uri'] );
|
|
if ( $account ) {
|
|
$status = self::activity_to_status( $entry['object'], $account );
|
|
if ( $status ) {
|
|
$statuses[] = $status;
|
|
}
|
|
}
|
|
}
|
|
|
|
return $statuses;
|
|
}
|
|
|
|
/**
|
|
* Fetch and resolve tags.pub outbox items to cacheable arrays.
|
|
*
|
|
* Each item requires multiple HTTP round-trips (Announce → original
|
|
* post → author actor), so results are cached by the caller.
|
|
*
|
|
* @param string $hashtag The hashtag name (without #).
|
|
* @param int $limit Maximum number of items to resolve.
|
|
*
|
|
* @return array[] Array of arrays with 'object' and 'actor_uri' keys.
|
|
*/
|
|
private static function resolve_tags_pub_items( $hashtag, $limit ) {
|
|
/**
|
|
* Filters the tags.pub base URL for tag timeline lookups.
|
|
*
|
|
* @since 8.1.0
|
|
*
|
|
* @param string $base_url The base URL. Default 'https://tags.pub'.
|
|
*/
|
|
$base_url = \apply_filters( 'activitypub_tags_pub_base_url', 'https://tags.pub' );
|
|
$outbox_url = \trailingslashit( $base_url ) . 'user/' . \rawurlencode( $hashtag ) . '/outbox';
|
|
$outbox = Http::get_remote_object( $outbox_url, true );
|
|
|
|
if ( \is_wp_error( $outbox ) || empty( $outbox['first'] ) ) {
|
|
return array();
|
|
}
|
|
|
|
$page = Http::get_remote_object( $outbox['first'], true );
|
|
if ( \is_wp_error( $page ) ) {
|
|
return array();
|
|
}
|
|
|
|
$items = $page['orderedItems'] ?? $page['items'] ?? array();
|
|
$results = array();
|
|
|
|
foreach ( $items as $item ) {
|
|
if ( \count( $results ) >= $limit ) {
|
|
break;
|
|
}
|
|
|
|
$resolved = self::resolve_tags_pub_item( $item );
|
|
if ( $resolved ) {
|
|
$results[] = $resolved;
|
|
}
|
|
}
|
|
|
|
return $results;
|
|
}
|
|
|
|
/**
|
|
* Resolve a tags.pub outbox item (Announce activity) to cacheable data.
|
|
*
|
|
* @param string|array $item The outbox item (URI string or activity object).
|
|
*
|
|
* @return array|null Array with 'object' and 'actor_uri' keys, or null on failure.
|
|
*/
|
|
private static function resolve_tags_pub_item( $item ) {
|
|
// Resolve item to an activity object.
|
|
if ( \is_string( $item ) ) {
|
|
$activity = Http::get_remote_object( $item, true );
|
|
if ( \is_wp_error( $activity ) ) {
|
|
return null;
|
|
}
|
|
} elseif ( \is_array( $item ) ) {
|
|
$activity = $item;
|
|
} else {
|
|
return null;
|
|
}
|
|
|
|
$type = $activity['type'] ?? '';
|
|
if ( 'Announce' !== $type ) {
|
|
return null;
|
|
}
|
|
|
|
// Get the original post URL from the Announce.
|
|
$object_url = \is_string( $activity['object'] ) ? $activity['object'] : ( $activity['object']['id'] ?? null );
|
|
if ( ! $object_url ) {
|
|
return null;
|
|
}
|
|
|
|
$object = Http::get_remote_object( $object_url, true );
|
|
if ( \is_wp_error( $object ) ) {
|
|
return null;
|
|
}
|
|
|
|
$actor_uri = $object['attributedTo'] ?? '';
|
|
if ( ! $actor_uri ) {
|
|
return null;
|
|
}
|
|
|
|
return array(
|
|
'object' => $object,
|
|
'actor_uri' => $actor_uri,
|
|
);
|
|
}
|
|
|
|
/**
|
|
* Get replies for Mastodon API.
|
|
*
|
|
* @param array $context The context.
|
|
* @param int $post_id The post id.
|
|
* @param string $url The URL.
|
|
*
|
|
* @return array The filtered context.
|
|
*/
|
|
public static function api_get_replies( $context, $post_id, $url ) {
|
|
$meta = Http::get_remote_object( $url, true );
|
|
if ( is_wp_error( $meta ) || ! isset( $meta['replies']['first']['next'] ) ) {
|
|
return $context;
|
|
}
|
|
|
|
if ( ! empty( $meta['replies']['first']['items'] ) ) {
|
|
$replies = $meta['replies']['first'];
|
|
} elseif ( isset( $meta['replies']['first']['next'] ) ) {
|
|
$replies_url = $meta['replies']['first']['next'];
|
|
$replies = Http::get_remote_object( $replies_url, true );
|
|
if ( is_wp_error( $replies ) || ! isset( $replies['items'] ) ) {
|
|
return $context;
|
|
}
|
|
} else {
|
|
return $context;
|
|
}
|
|
|
|
foreach ( $replies['items'] as $reply ) {
|
|
if ( isset( $reply['id'] ) && is_string( $reply['id'] ) && isset( $reply['content'] ) && is_string( $reply['content'] ) ) {
|
|
$status = $reply;
|
|
} else {
|
|
if ( is_string( $reply ) ) {
|
|
$url = $reply;
|
|
} elseif ( isset( $reply['url'] ) && is_string( $reply['url'] ) ) {
|
|
$url = $reply['url'];
|
|
} else {
|
|
continue;
|
|
}
|
|
$response = Http::get( $url, array(), true );
|
|
if ( is_wp_error( $response ) || wp_remote_retrieve_response_code( $response ) !== 200 ) {
|
|
continue;
|
|
}
|
|
$status = json_decode( wp_remote_retrieve_body( $response ), true );
|
|
if ( ! $status || is_wp_error( $status ) ) {
|
|
continue;
|
|
}
|
|
}
|
|
|
|
$account = self::get_account_for_actor( $status['attributedTo'] );
|
|
$status = self::activity_to_status( $status, $account );
|
|
if ( $status ) {
|
|
$context['descendants'][ $status->id ] = $status;
|
|
}
|
|
}
|
|
|
|
return $context;
|
|
}
|
|
|
|
/**
|
|
* Add repost, like, and follow notifications from ActivityPub data.
|
|
*
|
|
* @param array $notifications The notifications array.
|
|
* @param object $request The request object.
|
|
* @param int|null $limit Max number of notifications per page.
|
|
* @param string|null $before_date MySQL datetime; only return notifications before this date.
|
|
* @param string|null $after_date MySQL datetime; only return notifications after this date.
|
|
*
|
|
* @return array The filtered notifications.
|
|
*/
|
|
public static function api_notifications_get( $notifications, $request, $limit = null, $before_date = null, $after_date = null ) {
|
|
$types = $request->get_param( 'types' );
|
|
$exclude_types = $request->get_param( 'exclude_types' );
|
|
|
|
$include_reblog = ( ! \is_array( $types ) || \in_array( 'reblog', $types, true ) ) &&
|
|
( ! \is_array( $exclude_types ) || ! \in_array( 'reblog', $exclude_types, true ) );
|
|
$include_favourite = ( ! \is_array( $types ) || \in_array( 'favourite', $types, true ) ) &&
|
|
( ! \is_array( $exclude_types ) || ! \in_array( 'favourite', $exclude_types, true ) );
|
|
$include_follow = ( ! \is_array( $types ) || \in_array( 'follow', $types, true ) ) &&
|
|
( ! \is_array( $exclude_types ) || ! \in_array( 'follow', $exclude_types, true ) );
|
|
|
|
if ( ! $include_reblog && ! $include_favourite && ! $include_follow ) {
|
|
return $notifications;
|
|
}
|
|
|
|
$user_id = \get_current_user_id();
|
|
if ( ! $user_id ) {
|
|
return $notifications;
|
|
}
|
|
|
|
if ( ! \class_exists( Notification::class ) ) {
|
|
return $notifications;
|
|
}
|
|
|
|
if ( null === $limit ) {
|
|
$limit = $request->get_param( 'limit' ) ? $request->get_param( 'limit' ) : self::DEFAULT_NOTIFICATION_LIMIT;
|
|
}
|
|
|
|
// Get reblog/favourite notifications from comments.
|
|
if ( $include_reblog || $include_favourite ) {
|
|
$comment_types = array();
|
|
if ( $include_reblog ) {
|
|
$comment_types[] = 'repost';
|
|
}
|
|
if ( $include_favourite ) {
|
|
$comment_types[] = 'like';
|
|
}
|
|
|
|
$post_types = \get_option( 'activitypub_support_post_types', array( 'post' ) );
|
|
|
|
$comment_args = array(
|
|
'post_author' => $user_id,
|
|
'post_type' => $post_types,
|
|
'type__in' => $comment_types,
|
|
'number' => $limit,
|
|
'orderby' => 'comment_date',
|
|
'order' => 'DESC',
|
|
);
|
|
|
|
$date_query = self::build_date_query( $before_date, $after_date, 'comment_date' );
|
|
if ( $date_query ) {
|
|
$comment_args['date_query'] = $date_query;
|
|
}
|
|
|
|
$comments = \get_comments( $comment_args );
|
|
|
|
foreach ( $comments as $comment ) {
|
|
$type = 'repost' === $comment->comment_type ? 'reblog' : 'favourite';
|
|
|
|
$account = self::get_account_for_comment( $comment );
|
|
if ( ! $account ) {
|
|
continue;
|
|
}
|
|
|
|
$status = self::api_post_status( $comment->comment_post_ID );
|
|
if ( ! $status ) {
|
|
continue;
|
|
}
|
|
|
|
$notification = new Notification();
|
|
$notification->id = \strval( $comment->comment_ID );
|
|
$notification->type = $type;
|
|
$notification->created_at = \mysql2date( 'Y-m-d\TH:i:s.000P', $comment->comment_date, false );
|
|
$notification->account = $account;
|
|
$notification->status = $status;
|
|
|
|
$notifications[] = $notification;
|
|
}
|
|
}
|
|
|
|
// Get follow notifications from followers.
|
|
if ( $include_follow ) {
|
|
$notifications = self::add_follow_notifications( $notifications, $user_id, $limit, $before_date, $after_date );
|
|
}
|
|
|
|
return $notifications;
|
|
}
|
|
|
|
/**
|
|
* Build a WP_Query/WP_Comment_Query date_query array from optional date bounds.
|
|
*
|
|
* @param string|null $before_date MySQL datetime upper bound (exclusive).
|
|
* @param string|null $after_date MySQL datetime lower bound (exclusive).
|
|
* @param string|null $column Optional date column name (e.g. 'comment_date'). Omit for default.
|
|
*
|
|
* @return array|null date_query array, or null when no bounds are set.
|
|
*/
|
|
private static function build_date_query( $before_date, $after_date, $column = null ) {
|
|
if ( ! $before_date && ! $after_date ) {
|
|
return null;
|
|
}
|
|
|
|
$date_query = array();
|
|
if ( $before_date ) {
|
|
$clause = array(
|
|
'before' => $before_date,
|
|
'inclusive' => false,
|
|
);
|
|
if ( $column ) {
|
|
$clause['column'] = $column;
|
|
}
|
|
$date_query[] = $clause;
|
|
}
|
|
if ( $after_date ) {
|
|
$clause = array(
|
|
'after' => $after_date,
|
|
'inclusive' => false,
|
|
);
|
|
if ( $column ) {
|
|
$clause['column'] = $column;
|
|
}
|
|
$date_query[] = $clause;
|
|
}
|
|
|
|
return $date_query;
|
|
}
|
|
|
|
/**
|
|
* Add follow notifications from ActivityPub followers.
|
|
*
|
|
* @param array $notifications The notifications array.
|
|
* @param int $user_id The user ID.
|
|
* @param int $limit Max number of followers to fetch.
|
|
* @param string|null $before_date MySQL datetime; only return followers added before this date.
|
|
* @param string|null $after_date MySQL datetime; only return followers added after this date.
|
|
*
|
|
* @return array The notifications array with follow notifications added.
|
|
*/
|
|
private static function add_follow_notifications( $notifications, $user_id, $limit = self::DEFAULT_NOTIFICATION_LIMIT, $before_date = null, $after_date = null ) {
|
|
$user_id = self::maybe_map_user_to_blog( $user_id );
|
|
|
|
$follower_args = array(
|
|
'orderby' => 'post_date',
|
|
'order' => 'DESC',
|
|
);
|
|
|
|
$date_query = self::build_date_query( $before_date, $after_date );
|
|
if ( $date_query ) {
|
|
$follower_args['date_query'] = $date_query;
|
|
}
|
|
|
|
$followers = Followers::get_many(
|
|
$user_id,
|
|
$limit,
|
|
null,
|
|
$follower_args
|
|
);
|
|
|
|
foreach ( $followers as $follower ) {
|
|
$actor = Remote_Actors::get_actor( $follower );
|
|
if ( ! $actor || \is_wp_error( $actor ) ) {
|
|
continue;
|
|
}
|
|
|
|
$account = self::actor_to_account( $actor, $follower->ID );
|
|
if ( ! $account ) {
|
|
continue;
|
|
}
|
|
|
|
$notification = new Notification();
|
|
$notification->id = \strval( $follower->ID );
|
|
$notification->type = 'follow';
|
|
$notification->created_at = \mysql2date( 'Y-m-d\TH:i:s.000P', $follower->post_date, false );
|
|
$notification->account = $account;
|
|
|
|
$notifications[] = $notification;
|
|
}
|
|
|
|
return $notifications;
|
|
}
|
|
|
|
/**
|
|
* Get account for a comment from cached data.
|
|
*
|
|
* @param object $comment The comment object.
|
|
*
|
|
* @return Account|null The account.
|
|
*/
|
|
private static function get_account_for_comment( $comment ) {
|
|
$default_avatar = \get_avatar_url( $comment->comment_author_email ?: '', array( 'size' => 96 ) );
|
|
|
|
// Try to get cached remote actor data.
|
|
$remote_actor_id = \get_comment_meta( $comment->comment_ID, '_activitypub_remote_actor_id', true );
|
|
if ( $remote_actor_id ) {
|
|
$actor = Remote_Actors::get_actor( $remote_actor_id );
|
|
if ( $actor && ! \is_wp_error( $actor ) ) {
|
|
$account = self::actor_to_account( $actor );
|
|
|
|
// Use remote actor post ID as account ID.
|
|
$account->id = \strval( $remote_actor_id );
|
|
|
|
// Use default avatar if actor has none.
|
|
if ( empty( $account->avatar ) ) {
|
|
$account->avatar = $default_avatar;
|
|
$account->avatar_static = $default_avatar;
|
|
}
|
|
|
|
return $account;
|
|
}
|
|
}
|
|
|
|
// Fallback to comment author data.
|
|
if ( empty( $comment->comment_author_url ) ) {
|
|
return null;
|
|
}
|
|
|
|
$account = new Account();
|
|
$account->id = $comment->comment_author_url;
|
|
$account->username = $comment->comment_author;
|
|
$account->acct = $comment->comment_author_email ?: $comment->comment_author;
|
|
$account->display_name = $comment->comment_author;
|
|
$account->url = $comment->comment_author_url;
|
|
$account->avatar = $default_avatar;
|
|
$account->avatar_static = $default_avatar;
|
|
$account->created_at = new \DateTime( $comment->comment_date );
|
|
|
|
return $account;
|
|
}
|
|
}
|