laipower/wp-content/plugins/activitypub/integration/class-enable-mastodon-apps.php

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<?php
namespace Activitypub\Integration;
use DateTime;
use Activitypub\Webfinger as Webfinger_Util;
use Activitypub\Collection\Users;
use Activitypub\Collection\Followers;
use Activitypub\Integration\Nodeinfo;
use Enable_Mastodon_Apps\Entity\Account;
use function Activitypub\get_remote_metadata_by_actor;
/**
* Class Enable_Mastodon_Apps
*
* This class is used to enable Mastodon Apps to work with ActivityPub
*
* @see https://github.com/akirk/enable-mastodon-apps
*/
class Enable_Mastodon_Apps {
/**
* Initialize the class, registering WordPress hooks
*/
public static function init() {
\add_filter( 'mastodon_api_account_followers', array( self::class, 'api_account_followers' ), 10, 2 );
\add_filter( 'mastodon_api_account', array( self::class, 'api_account_add_followers' ), 20, 2 );
\add_filter( 'mastodon_api_account', array( self::class, 'api_account_external' ), 10, 2 );
}
/**
* Add followers to Mastodon API
*
* @param array $followers An array of followers
* @param string $user_id The user id
* @param WP_REST_Request $request The request object
*
* @return array The filtered followers
*/
public static function api_account_followers( $followers, $user_id ) {
$activitypub_followers = Followers::get_followers( $user_id, 40 );
$mastodon_followers = array_map(
function ( $item ) {
$acct = Webfinger_Util::uri_to_acct( $item->get_id() );
if ( $acct && ! is_wp_error( $acct ) ) {
$acct = \str_replace( 'acct:', '', $acct );
} else {
$acct = $item->get_url();
}
$activitypub_follower = array(
'id' => \strval( $item->get__id() ),
'username' => $item->get_preferred_username(),
'acct' => $acct,
'display_name' => $item->get_name(),
'url' => $item->get_url(),
'uri' => $item->get_id(),
'avatar' => $item->get_icon_url(),
'avatar_static' => $item->get_icon_url(),
'created_at' => gmdate( DATE_W3C, strtotime( $item->get_published() ) ),
'last_status_at' => gmdate( DATE_W3C, strtotime( $item->get_published() ) ),
'note' => $item->get_summary(),
'header' => $item->get_image_url(),
'header_static' => $item->get_image_url(),
'followers_count' => 0,
'following_count' => 0,
'statuses_count' => 0,
'bot' => false,
'locked' => false,
'group' => false,
'discoversable' => false,
'indexable' => false,
'hide_collections' => false,
'noindex' => false,
'fields' => array(),
'emojis' => array(),
'roles' => array(),
);
return $activitypub_follower;
},
$activitypub_followers
);
$followers = array_merge( $mastodon_followers, $followers );
return $followers;
}
/**
* Add followers count to Mastodon API
*
* @param Enable_Mastodon_Apps\Entity\Account $account The account
* @param int $user_id The user id
*
* @return Enable_Mastodon_Apps\Entity\Account The filtered Account
*/
public static function api_account_add_followers( $account, $user_id ) {
if ( ! $account instanceof Account ) {
return $account;
}
$user = Users::get_by_id( $user_id );
if ( ! $user || is_wp_error( $user ) ) {
return $account;
}
$account->followers_count = Followers::count_followers( $user_id );
return $account;
}
/**
* Resolve external accounts for Mastodon API
*
* @param Enable_Mastodon_Apps\Entity\Account $user_data The user data
* @param string $user_id The user id
*
* @return Enable_Mastodon_Apps\Entity\Account The filtered Account
*/
public static function api_account_external( $user_data, $user_id ) {
if ( ! preg_match( '/^' . ACTIVITYPUB_USERNAME_REGEXP . '$/', $user_id ) ) {
return $user_data;
}
$uri = Webfinger_Util::resolve( $user_id );
if ( ! $uri ) {
return $user_data;
}
$acct = Webfinger_Util::uri_to_acct( $uri );
$data = get_remote_metadata_by_actor( $uri );
if ( ! $data || is_wp_error( $data ) ) {
return $user_data;
}
if ( $user_data instanceof Account ) {
$account = $user_data;
} else {
$account = new Account();
}
$account->id = strval( $user_id );
$account->username = $acct;
$account->acct = $acct;
$account->display_name = $data['name'];
$account->url = $uri;
if ( ! empty( $data['summary'] ) ) {
$account->note = $data['summary'];
}
if (
isset( $data['icon']['type'] ) &&
isset( $data['icon']['url'] ) &&
'Image' === $data['icon']['type']
) {
$account->avatar = $data['icon']['url'];
$account->avatar_static = $data['icon']['url'];
}
if ( isset( $data['image'] ) ) {
$account->header = $data['image'];
$account->header_static = $data['image'];
}
$account->created_at = new DateTime( $data['published'] );
return $account;
}
}